KR102005719B1 - Aspirator and apparatus for tissue expansion comprising the same - Google Patents

Abstract

The present invention relates to a suction device and a tissue expanding device including the same, and in accordance with an aspect of the present invention, there is provided a suction device including a housing having an inlet and an outlet; A pump disposed in the housing and sucking air entering through the inlet; A first flow line connecting the inlet port and the inlet port of the pump; A second flow line connecting an outlet port of the pump and an outside atmosphere; An adjustment valve disposed within the housing and having a first port connected to the first flow line and a second port connected to the second flow line; A battery disposed within the housing for supplying power to the pump; And a controller for controlling the pump and the regulating valve, respectively.

Description

[0001] The present invention relates to an aspirator and a tissue expanding device including the aspirator,

The present invention relates to a tissue expanding dome, an aspirator, a tissue expanding device including the same, and a method of measuring a breast volume using the same.

The field of plastic surgeries, which restore the function or recover normal function through surgical operations for congenital anomalies and acquired traumas, has recently developed into general cosmetic surgery.

Particularly, in the recent general cosmetic molding, the field of molding is expanding to fields such as breast enlargement / reduction, liposuction, and penis enlargement in addition to facial molding.

Particularly, surgical operations such as implantation of implants such as silicone are performed on breast enlargement and penis enlargement molding. However, there have been reports of various side effects caused by implants such as silicone.

Therefore, a device and a method for enlarging a woman's breast by methods other than surgical invasive surgery have been proposed.

Korean Patent Publication No. 10-2016-0105758 (published on September 7, 2016)

The present invention provides a tissue expanding dome, an aspirator, a tissue expanding device including the same, and a method for measuring a breast volume using the same.

According to an aspect of the present invention, there is provided a liquid ejecting apparatus comprising: a housing having an inlet and an outlet; A pump disposed in the housing and sucking air entering through the inlet; A first flow line connecting the inlet port and the inlet port of the pump; A second flow line connecting an outlet port of the pump and an outside atmosphere; An adjustment valve disposed within the housing and having a first port connected to the first flow line and a second port connected to the second flow line; A battery disposed within the housing for supplying power to the pump; And a controller for controlling the pump and the regulating valve, respectively.

In accordance with another aspect of the present invention, there is provided a tissue expanding device including a dome for tissue expansion and a suction device removably mounted on the dome.

The dome includes a receptacle that covers a body part area of the wearer, a suction port that is fluidly connected to the receptacle and a mounting portion that surrounds the suction port, and a contact that is provided along the edge of the cap to contact the body of the wearer .

Further, the aspirator has an inlet and an outlet connected to the suction port, and is housed in the mounting portion; A pump disposed in the housing and sucking air entering through the inlet; A first flow line connecting the inlet port and the inlet port of the pump; A second flow line connecting an outlet port of the pump and an outside atmosphere; An adjustment valve disposed within the housing and having a first port connected to the first flow line and a second port connected to the second flow line; A battery disposed within the housing for supplying power to the pump; And a controller for controlling the pump and the regulating valve, respectively.

As described above, the tissue expanding dome, the aspirator, and the tissue expanding device including the tissue expanding device according to an embodiment of the present invention have the following effects.

The dome can stably come into close contact with the body tissue (for example, the chest) by giving various kinds of shape parameters suitable for the body characteristics to the contact area of the dome, thereby effectively generating sound pressure inside the dome.

In addition, since the aspirator is detachably mounted on the dome, the usability of the wearer can be improved, and the physical distance between the negative pressure source and the negative pressure generating space can be shortened as the aspirator is mounted on the dome .

Also, the change in the volume of the breast can be measured based on the air flow rate into the dome. Also, the device for measuring the volume of the chest can be configured separately from the aspirator, and such device can be removably mounted on the aspirator if necessary.

In addition, it is possible to prevent moisture from being generated in the canister in the aspirator during operation.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic diagram illustrating an tissue expanding device in accordance with an embodiment of the present invention.
2 is a perspective view illustrating a tissue expanding device in accordance with an embodiment of the present invention.
3 is a plan view showing a dome for tissue expansion according to an embodiment of the present invention.
4 and 5 are views showing an air tube constituting a dome for tissue expansion according to an embodiment of the present invention.
6 is a perspective view showing a state in which a part of the air tube is cut.
7 is a partial enlarged view of Fig.
8 is an exploded perspective view illustrating a tissue expanding device in accordance with an embodiment of the present invention.
9 is a perspective view showing a suction unit according to an embodiment of the present invention.
FIGS. 10 and 11 are diagrams for illustrating one operation state of the aspirator according to one embodiment of the present invention. FIG.
12 is an exploded perspective view of an aspirator in accordance with an embodiment of the present invention.
13 and 14 are perspective views showing some components of the aspirator of Fig. 12, respectively.
15 is a view for explaining one operating state of the air distribution member and the pump.
Fig. 16 is a perspective view showing some components of the aspirator of Fig. 12; Fig.
17 is a perspective view of the aspirator according to one embodiment of the present invention.
18 is a sound pressure graph for explaining one operating state of the aspirator according to one embodiment of the present invention.
19 to 23 are block diagrams for illustrating a volume measuring apparatus.
24 is a schematic view showing another embodiment of the tissue expanding device.
25 and 26 are exploded perspective views of a canister constituting an aspirator according to an embodiment of the present invention.
Fig. 27 is a cross-sectional view of the state in which each component of Fig. 25 is engaged.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, a tissue expanding dome, an aspirator, and a tissue expanding device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In addition, the same or corresponding reference numerals are given to the same or corresponding reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown in the drawings are exaggerated or reduced .

1 is a schematic diagram illustrating an tissue expanding device 10 in accordance with an embodiment of the present invention.

The tissue expanding device 10 according to an embodiment of the present invention includes a tissue expanding dome 100-100-1 and 100-2 for accommodating a body part area of a wearer and an inner space 113, Fig. 19). Also, the inner space of the dome 100 and the aspirator 300 may be connected through the connection tube 200. The dome 100 may be provided as a pair of left and right breasts of the wearer. In the present invention, the right breast dome 100-1 and the left breast dome 100-2 may have a symmetrical shape have. Hereinafter, the dome 100 for tissue enlargement will be described as an example of the right chest dome 100-1. Also, in Fig. 1, reference symbol I denotes the in-chest area, and reference symbol O denotes the area outside the chest.

In this document, the term body tissue or partial body region of the wearer may be understood to mean any body part in which tissue expansion is desired, for example, the wearer's body tissue may be the wearer's breast.

The dome 100 includes a body portion of the wearer's body, for example, a cap 110 surrounding the chest, and a contact portion provided at an edge of the cap 110 to be brought into close contact with the body region of the wearer.

The cap 110 may have an open shape toward the body region and may have, for example, a hemispherical shape. The cap 110 has a vertex 111 located at a maximum height in contact with the body.

FIG. 2 is a perspective view showing a tissue expanding apparatus according to an embodiment of the present invention, FIG. 3 is a plan view showing a tissue expanding dome 100-1 according to an embodiment of the present invention, and FIGS. 4 and 5 Are views showing air tubes 120 constituting a dome for expanding tissues 100-1 according to an embodiment of the present invention.

6 is a perspective view showing a state in which a part of the air tube 120 is cut, and Fig. 7 is a partially enlarged view of Fig.

2, the dome for expanding tissues 100-1 includes a receiving portion 113 covering a body part region of a wearer and a suction port 112 (see FIG. 8) fluidly connected to the receiving portion 113. [ (Not shown). The cap 110 may be formed of various resin materials, and may be formed of at least one of polycarbonate (PC) resin and polyethylene (PE) resin, for example.

Also, the dome 100-1 includes an air tube 120 provided along the edge of the cap 110 so as to be in contact with the body of the wearer, and capable of filling air therein.

In this embodiment, the contact portion of the dome 100-1 is the air tube 120. The air tube can have a sound pressure buffering effect, and has an effect of improving the degree of adhesion of the dome. The air tube 120 may be formed of various materials, and may be formed of at least one of, for example, a polyvinyl chloride (PVC) resin and a polyurethane (PU) resin.

The diameter of the air tube 120 varies in at least a part of the region along the edge of the cap with respect to the apex 111 of the cap 110.

The air tube 120 has a first region 121 located in an upper region of an edge of the cap 110 and a second region 121 located in a right region of the cap 110, 122, a third region 123 located in a lower region, and a fourth region 124 located in a left region. 1 and 3, the second region 122 is in close contact with the inner chest region (central chest bone region), and the fourth region is in close contact with the outer region of the chest.

At this time, the second region and the fourth region have an asymmetric shape along the left and right directions with respect to the vertex 111 of the cap 110. The asymmetrical shape takes into consideration the characteristics of the body tissue around the chest, and it is possible to improve the degree of adhesion to the chest when the sound pressure is provided, and to apply a uniform sound pressure across the entire chest area.

The distance between the second region 122 and the vertex 111 and the distance between the fourth region 124 and the vertex 111 may be different from each other. At this time, an area of the second area 122 and the fourth area 124, which is distant from the apex 111, may be bent to have a predetermined curvature.

For example, in the case of the right chest dome 100-1, the second region 122 is a region close to the vertex 111, and the fourth region 124 is a region distant from the vertex 111 Lt; / RTI > At this time, the fourth region 124 may be bent to have a predetermined curvature. That is, the fourth region 124 located on the outer side of the chest O may be farther from the apex than the second region 122 located on the inner side I of the chest, and may be bent to have a predetermined curvature.

Referring to FIG. 4, at least a portion of the second region 122 and the fourth region 124 is formed in a straight line in a region (a second region 122 in the case of a right chest dome) . When the second region 122 is formed in a straight line, the position of the second region 122 of the dome 100-1 when worn can be easily aligned with the central chest bone.

3 and 4, the diameter of the second region 122 and the fourth region 124, which is distant from the vertex 111 (the fourth region 124 in the case of the right chest dome) (The second region 122 in the case of the right chest dome) by a distance of 1.5 to 2.5 times larger than the diameter of the second region 122. [

3, the thickness of the second region 122 and the fourth region 124 that is far from the apex 111 (the fourth region 124 in the case of the right chest dome) (T1 > t2) of the region (the second region 122 in the case of the right-side chest dome), which is close to the first region 122,

4, the width of the second region 122 and the fourth region 124 that is far from the apex 111 (the fourth region 124 in the case of the right chest dome) (W1 > w2) of the second region 122 (the second region 122 in the case of the right chest dome), which is close to the distance (w1 >

5, an area of the second area 122 and the fourth area 124 that is distant from the apex 111 (the fourth area 124 in the case of the right chest dome) (In the case of the right breast dome, the second region 122).

The curvature of the first area 121 and the curvature of the third area 123 may be larger than the curvature of the third area 123. The first area 121 and the third area 123 may have different curvatures. With this curvature difference design, it is possible to cope with the difference between the curvature of the wearer's upper chest and the curvature of the lower chest.

The curvature of the second region 122 and the fourth region 124 that is far from the apex 111 (the fourth region 124 in the case of the right chest dome) is larger than the curvature of the first region have.

6 and 7, the air tube 120 may include an inflatable membrane 126 defining a space 127 and a space 127 through which air is introduced.

At this time, the air tube 120 has the diameter of the space 127 and the thickness t of the membrane 126 in at least a part of the region along the edge of the cap 110 with respect to the apex 111 of the cap 110, At least one of them may be different.

As described above with reference to FIGS. 3 to 5, the diameter D of the air tube may vary as at least one of the diameter of the space 127 and the thickness t of the membrane 126 is changed .

For example, an area of the second area 122 and the fourth area 124 that is distant from the apex 111 (the fourth area 124 in the case of the right chest dome) is close to the apex 111 (The second region 122 in the case of the right chest dome), the diameter and the film thickness of the injection space portion may be larger.

Alternatively, the diameter D of the air tube 120 may vary depending on the thickness of the membrane 126, with the diameter of the space 127 being the same.

Also, the air tube 120 is provided to be inflated in accordance with air injection, and the amount of air injected into the air tube 120 may be 60 to 80% of the maximum air capacity. By injecting less air than the maximum air capacity, the degree of adhesion and the sound pressure buffering effect can be improved.

In addition, in order to improve the degree of contact, the surface of the film 126 may be formed with a relief pattern or a relief pattern to increase the contact area.

Further, in order to improve the degree of adhesion, an adhesive layer having excellent biocompatibility and having a predetermined adhesive strength may be additionally formed on the surface of the membrane 126.

8 is an exploded perspective view illustrating a tissue expanding device in accordance with an embodiment of the present invention.

The tissue expanding device includes a tissue expanding dome 100 and an aspirator 300 for generating negative pressure inside the dome 100.

As described above, the tissue expanding dome 100 includes a receiving portion 113 for covering a body part area of the wearer and a suction port (not shown) connected to the suction unit 300 in fluid- 112 and an air tube 120 provided along the edge of the cap 110 to contact the wearer's body and capable of being filled with air. The diameter of the air tube 120 may vary in at least a part of the region along the edge of the cap 110 with respect to the apex 111 of the cap 110.

Meanwhile, the cap 110 may have a mounting portion 130 in which the suction device 300 is detachably mounted. For example, the mounting portion 130 may be a ring-shaped mounting rib 131. At this time, the suction port 112 may be provided in the mounting portion 130.

The cap 110 and the aspirator 300 may be coupled by a magnetic force through a magnet. To this end, one or more magnets may be provided on the mounting portion 130 of the cap 110 and the suction device 300, respectively.

Further, the mounting portion may be recessed at least partially inside the cap. According to this structure, the suction device 300 is partially depressed inside the cap 110, so that the area protruding outside the cap 110 can be reduced, thereby reducing the total volume of the tissue expanding device.

FIG. 9 is a perspective view showing an aspirator 300 according to an embodiment of the present invention, and FIGS. 10 and 11 are diagrams illustrating a working state of the aspirator according to an embodiment of the present invention.

12 is an exploded perspective view of the aspirator 300 according to one embodiment of the present invention, and Figs. 13 and 14 are perspective views showing some components of the aspirator of Fig. 12, respectively.

16 is a perspective view showing some components of the suction device of Fig. 12, and Fig. 17 is a perspective view of the aspirator according to one embodiment of the present invention. Fig. It is a perspective view.

The aspirator 300 in accordance with one embodiment of the present invention includes a housing 301 having an inlet 302 and an outlet 303. The inlet 302 is fluidly connected to the suction port 112 of the cap 110 described above. In this structure, the internal air of the cap 110 is sucked into the suction device 300 through the suction port 112 and the inlet port 302. Meanwhile, the canister 500 may be disposed at the inlet 302, and the inlet 302 of the housing 301 may be an inlet of the canister 500 during the air flow.

The suction device 300 is also disposed within the housing 301 and includes a pump 410 for sucking in the air flowing through the inlet 302.

The aspirator 300 further includes a first flow line 701 for connecting the inlet 302 and the inlet port 411 of the pump 410 and a discharge port 412 for connecting the pump 410 to the outlet port 412, And a second flow line 702. At this time, the second flow line 702 connects the discharge port 412 of the pump 410 and the external atmosphere as it is opened to the outside.

The aspirator 300 also includes an adjustment valve 430 disposed within the housing 301 and having a first port 431 connected to the first flow line and a second port 432 connected to the second flow line . The control valve 430 has a flow path for connecting the first port 431 and the second port 432 therein and is provided to open or close the flow path.

The reference numeral 703 denotes a third flow line connecting the first flow line 701 and the first port 431 of the control valve 430. The reference numeral 704 denotes a second flow line 702, And a fourth flow line connecting the second port 432 of the regulating valve 430.

The aspirator 300 is disposed in the housing 301 and includes a battery 495 for supplying power to the pump 410. The aspirator 300 includes a pump 410 and a control valve 430 And a control unit 490 (also referred to as "first control unit" in this document) for controlling the respective units.

Referring to FIG. 15, the aspirator 300 may further include an air distribution member 420 mounted to the pump 410. The air distribution member 420 forms at least a part of the first flow line 701 and is connected to the inlet port 411 of the pump 410 through at least one of the inflow channel 421 and the second flow line 702, And an outflow channel 422 connected to the discharge port 412 of the pump 410.

At this time, the control valve 430 is mounted to the air distribution member 420 such that the first port 431 is connected to the inflow passage 421 and the second port 432 is connected to the outflow passage 422. Meanwhile, the air distribution member 420 and the control valve 430 are coupled via a vibration-proof mount 450 made of an elastic material such as rubber. For example, the control valve 420 may be mounted to the air distribution member 420 via a coupling member, such as 460.

10 and 15, when the pump 410 is operated and the control valve 430 is closed, the air is sucked to the pump 410 side along the inflow channel of the air distributing member 421 through the inlet port 302 And the air is discharged to the outside along the outflow channel 422. In this case, negative pressure is generated inside the dome 100. Specifically, when the suction device 300 operates in the sound pressure mode, the pump 410 is operated by the controller 490, the control valve 430 is closed, and the air inside the dome 100 is sucked The negative pressure is generated inside the dome.

11 and 15, when the pump 410 is stopped and the regulating valve 430 is opened, the outside air flows into the outlet 303 of the housing and flows along the outlet line 422 to the regulating valve 430 and then flows to the inlet port along the inlet flow path 421 after passing through the first port 431. In this case, as external air flows into the dome 100, the sound pressure inside the dome 100 is released based on the amount of the introduced air.

As described above, the controller 490 can control the operation of the pump 410 and the on / off of the control valve 430, thereby adjusting the sound pressure inside the dome.

18 is a sound pressure graph for explaining one operating state of the aspirator according to one embodiment of the present invention. For example, as shown in Fig. 18, the control unit can perform a cycle mode in which the sound pressure inside the dome is continuously changed between the set two sound pressures.

15, a flow hole 424 is formed in the inflow channel 421 of the air distribution member 420 and a flow in the direction toward the inflow port 411 side of the pump 410 is formed in the flow hole 424. A check valve may be provided.

Specifically, the check valve opens the flow hole 424 to open the inflow passage 421 toward the inlet port 411 of the pump when the pump 410 operates, and if the pump 410 does not operate, And closes the inflow passage 421 by sealing the flow hole 424.

The check valve is mounted to the shaft 423 inserted into the flow hole 424 and the sealing member 425 and the pump 410 contacting the flow hole 424 are actuated And a resilient member 426 (for example, a spring) adapted to be compressed when the shaft 423 moves toward the pump 410. Here, when the pump 42 is operated and the shaft 423 moves toward the pump 410 due to the air pressure introduced into the inflow passage 421, the sealing member 425 is released from the flow hole 424, The flow hole 424 is opened.

The aspirator 300 further includes a discharge pipe 470 connecting the outlet passage 422 of the air distribution member and the outlet 303 of the housing 301 and forming at least a part of the second flow line 702, .

The suction unit 300 may further include an anti-vibration member 440 mounted to surround the pump 410.

The suction unit 300 is disposed in the housing 301 and has a flow path connecting the inlet 302 and the inlet flow path 421 of the air distribution member 420 to the dome 100 A sound pressure sensing unit 480 (also referred to as a 'pressure sensor' in this document) for measuring the sound pressure of the inside 113 of the portable terminal. For example, the pressure sensor 480 may be provided to measure the sound pressure inside the dome by measuring the amount of air inside the dome.

The housing 301 includes a main case 310 in which a pump, an air distribution member, a regulating valve, a discharge pipe, a sound pressure sensing unit 480, a battery 495, and a control unit 490 (circuit board) . The main case 310 has a structure in which the canister 500 is mounted on the lower surface and the upper surface is opened.

In addition, the housing 310 includes an upper case 320 covering an open area of the main case 310. [ In addition, a transparent decoration case 330 to be mounted on the upper case 320 may be further included.

In addition, the housing 310 includes a plurality of side panels 340 and 340 'mounted on the side surfaces of the main case 310.

The control unit 490 includes a connection terminal for electrically connecting with a volume measuring device described later and a charging terminal for charging the battery. At this time, the main case 310 has a first hole 311 and a second hole 312 to expose the connection terminal and the charge terminal to the outside of the housing 301, respectively. Further, the main case 310 has a third hole 313 for performing the discharge port 303 of the housing 301.

The side panel 430 attached to the main case 310 surrounds the first through third holes 311 312 and 313 so that the first through third holes 311 312 and 313 are exposed to the outside 342, and 343, respectively.

A cover member 345 may be detachably attached to the side panel 340 so as to surround the first through third exposure holes 341, 342, and 343. The cover member 345 may be formed to have at least a portion of the cover member 345 so as to open the third exposure hole 343 corresponding to the third hole 313 performing the outlet 303 of the housing 301 to the outside, For example, it may be provided as a mesh region.

A power switch 360 for turning on / off the suction device 300 is mounted on the main case 310 and the power switch 360 is connected to the main case 310 via the mounting bracket 361. [ 310). The main case 310 is provided with a fourth hole 314 opened to electrically connect the power button 360 and the control unit and a fifth hole 315 to which the mounting bracket 361 is fixed.

In addition, in this embodiment, the tissue expanding device includes a tissue expanding dome 100 and a suction device 300 detachably mounted on the dome 100.

The dome 100 also includes a receiving portion 113 covering the body part area of the wearer, a suction port 112 fluidly connected to the receiving portion, and a mounting portion 112 surrounding the suction port 112 130 and a contact provided along the edge of the cap 110 to contact the wearer's body.

One or more magnets 350 may be disposed within the housing 301 of the aspirator 300 and the mounting portion 130 of the cap 110, respectively.

Figs. 19 to 23 are schematic diagrams for explaining a volume measuring apparatus, and Fig. 24 is a schematic diagram showing still another embodiment of the tissue expanding apparatus.

According to the present embodiment, the volume of the breast can be measured through the aspirator of the above-described structure and the tissue expanding device including the same.

The method for measuring a biceps volume according to an embodiment of the present invention includes a dome 100 for expanding tissue to be worn on the chest and a suction device 300 having a pump 410 for generating a negative pressure in the dome 100 The present invention relates to a method for measuring a volume of a breast using an tissue expanding device 10 for performing a tissue expansion.

The bodily volume measurement method stops the operation of the pump 410 when the inside 113 of the dome 100 is at the first set pressure and stops the operation of the pump 110 when the inside 113 of the dome 100 is in the second And a first step of introducing outside air into the inside 113 of the dome 100 until a set pressure is reached. The first set pressure may be, for example, -40 mmHg to -50 mmHg in the magnitude of the negative pressure.

The first step may be performed by controlling the pump 410 and the control valve 430, respectively, as described with reference to FIG. Specifically, by stopping the pump 410 and opening the control valve 430, the outside air can be introduced into the dome to release a certain amount of the negative pressure of the first set pressure.

The method of measuring the volume of the heart may include a second step of calculating the volume of the heart based on the amount of air flowing into the interior 113 of the dome 100 until the inside of the dome reaches the second predetermined pressure. The second set pressure may be, for example, -10 mmHg in the magnitude of the negative pressure. That is, the magnitude of the sound pressure of the first set pressure may be greater than the magnitude of the sound pressure of the first set pressure.

Referring to FIG. 20, the second step includes measuring a differential pressure at two different points 631 and 635 on the inflow channel 630 in the process of introducing outside air into the dome, measuring the flow rate from the differential pressure Determining a flow rate by integrating the flow rate with respect to time, and integrating the flow rate with respect to time to calculate an air volume introduced into the dome.

In summary, in a state where the inside of the dome is maintained at the negative pressure of the first set pressure, the pump drive is stopped, the control valve 430 is opened, and the air in the dome reaches the second set pressure To the inside of the dome, and the volume can be calculated using the flow rate of the air while the outside air is introduced into the dome.

20, the differential pressure between a first point (for example, reference numeral 631) and a second point (for example, reference numeral 635) having a larger flow cross-sectional area is measured along the direction in which the external air flows .

Continuous equations and Bernoulli equations are applied as [Equation 1] and [Equation 2].

[Formula 1]

[Formula 2]

In the general formulas 1 and 2, Q is the flow rate, P ₁ is the pressure at the first point, P ₂ is the pressure at the second point, v ₁ is the flow rate at the first point, v ₂ is the flow rate at the second point , A ₁ is the cross-sectional area at the first position, and A ₂ is the cross-sectional area at the second position.

[Formula 1] and [Formula 2] are summarized in terms of the flow rate (Q), as shown in the following [Formula 3].

[Formula 3]

The flow rate value calculated by [Formula 3] is multiplied by the flow rate of the venturi tube (C) to obtain [Formula 4].

[Formula 4]

In Equation 4, C _venturi is the number of the venturi tube flowmeter, D _narrow is the diameter of the first point, and D _wide is the diameter of the second point.

Also, the volume can be calculated using the sum of the flow rates.

In the above equation, the volume (Vol) can be calculated using the calculated total flow amount (Q _t ) and the pressure change of the dome.

[Formula 5]

[Formula 6]

For example, the equation for calculating the volume using the cumulative sum of the differential pressures can be used by constructing the mathematical model as shown in the following [Formula 7] based on the actually measured data.

V = P * (-0.19086) - 522.81

In the formula (7), P represents only the numerical part omitting the units in the cumulative sum (Pa) of the differential pressures measured in units of 50 ms, V represents the result calculated according to the right equation based on the equal sign, 7 is constituted so as to be used as a volume when the volume unit cc is attached to the resultant value V. [

In addition, the two different points 631 and 635 may have different flow cross-sectional areas of the air in the inflow line 630. [

Further, pressure sensors P1 and P2 may be provided at two different points, respectively.

In addition, the step of determining the flow rate from the differential pressure may be determined based on the differential pressure-flow rate table generated in advance using the flow rate sensor.

Further, it is preferable that the magnitude of the sound pressure of the first set pressure may be larger than the second set pressure, and the second set pressure is not equal to zero.

The method of measuring the volume of the bodily includes the steps of performing the first and second steps a plurality of times, the first air volume introduced into the dome calculated in the first cycle, and the second air volume introduced into the dome calculated in the second cycle And measuring a change in the volume of the chest based on the volume.

That is, the first step and the second step are carried out on the first day (first repetition), the first air volume is measured, and the first step and the second step are carried out on the second repetition (second repetition) The measurement of the volume of the biceps can be performed by comparing the second air volume with the first air volume after measuring again with the second air volume.

At this time, the method of measuring the volume of the chest may include a step of determining that the volume of the chest is increased when the second air volume measured at the second measurement is smaller than the first air volume measured at the first measurement.

10, in the state where the dome is worn on the wearer's chest, the sound pressure inside the dome is generated up to the first predetermined pressure (the control valve is closed) And stopping the operation of the pump when the set pressure is reached.

In summary, the method of measuring the volume of the bodys is such that, when the inside of the dome is at the first set pressure, the operation of the pump is stopped and external air is introduced into the dome while the inside of the dome reaches a second set pressure different from the first set pressure The first step and the first step of calculating the amount of air introduced into the dome by repeating the first step and the first step are repeated twice or more and the volume of the chest volume And measuring the change.

Meanwhile, the above-mentioned method of measuring the volume of the chest may be configured to measure the volume of the chest in the controller by allowing differential pressure measurement on the second flow line 702 of the suction unit 300 described above. For example, on the discharge line 470 in the second flow line, the differential pressure may be configured to be measured. In this case, the two different points 631 and 635 of the discharge pipe 470 may have different flow cross-sectional areas of air, and pressure sensors P1 and P2 may be provided at two different points, respectively .

Specifically, the tissue expanding device having a chest volume measuring function includes a tissue expanding dome 100 and an aspirator 300 for generating a negative pressure inside the dome 100.

As described above, the suction device 300 includes a pump 410 for generating a negative pressure inside the dome, a first flow line 701 for connecting the inlet port of the dome and the pump, a discharge port of the pump, A control valve 430 having a first port connected to the first flow line and a second port connected to the second flow line, a line (not shown) for introducing the outside air into the control valve 430 A first pressure sensor P1 and a second pressure sensor P2 disposed at two different points on the first and second pressure chambers 630 and 630 and a control section 490 for controlling the pump and the control valve.

10, when the pump 410 is operated and the control valve 430 is closed, the inside of the dome reaches the first set pressure, and the pump 410 is stopped and the control valve 430 The outside air flows into the dome 100, and the inside of the dome reaches a second set pressure lower than the first set pressure.

In addition, the controller 490 is provided to perform a bust volume measurement mode for measuring changes in the volume of the heart.

Here, the control unit 490 stops the operation of the pump when the inside of the dome is at the first set pressure in the bust volume measurement mode, and opens the control valve to introduce outside air into the dome, Calculating an air volume to be introduced into the dome by calculating a flow rate of the introduced air until a second set pressure different from the pressure is obtained; and when the air volume is calculated a plurality of times, The volume of the breast can be measured.

The control unit 490 measures the differential pressure through the first pressure sensor P1 and the second pressure sensor P2, determines the flow rate from the differential pressure, calculates the flow rate by integrating the flow rate with respect to time, So as to calculate the air volume.

Further, as described above, the two different points may be points where the flow cross-sectional area of the air in the flow line is different.

Referring to FIG. 24, the controller 490 may be provided to transmit the bust volume change information to the external terminal 20. Specifically, the aspirator 300 may be provided to be capable of wireless communication with the external terminal 20 (e.g., Wi-Fi, Bluetooth, etc.). The terminal 20 may include a smart phone, a notebook computer, a computer, or the like.

21 to 23, a volumetric measuring device 600 capable of measuring a differential pressure may be separately provided, and the volumetric measuring device 600 may be detachably attached to the discharge port 303 of the aspirator 300 As shown in FIG.

According to an embodiment of the present invention, there is provided a volume measuring apparatus 600 mounted on a tissue expanding apparatus 10 including an aspirator 300 generating negative pressure inside a dome, And includes a housing 601 having an inlet 610 through which air flows and an outlet 620 through which air is supplied to the suction device 300.

The housing 601 may also be removably mounted to the inhaler 300 such that the outlet is fluidly connected to the aspirator 300.

Specifically, the housing 601 may be mounted on the side panel 340 of the suction device 300 such that the discharge port 620 is connected to the third exposure hole 343 of the side panel 340 described above.

The external air introduced into the inlet 610 of the volumetric measuring apparatus 600 may be transferred to the discharge pipe 470 through the outlet 303 of the aspirator 300. [

The volume measuring apparatus 600 includes a flow line 630 connecting the inlet 610 and the outlet 620 in the housing 601 and two different points 631 and 635 among the flow line 630 First and second pressure sensors P1 and P2 provided on the first and second pressure sensors; And a control unit 660 (referred to as a "second control unit" in this document) for outputting pressure information measured from the first and second pressure sensors P1 and P2 to the suction device 300. [ Here, the pressure information may include differential pressures of two different points measured from the first and second pressure sensors P1 and P2, respectively.

Also, the two different points may be at different points in the flow cross-sectional area of the air in the flow line 630.

In addition, the volume measuring device 600 may further include a power port 640 for supplying power to the pressure sensor. At this time, the power supply port 640 may be connected to the aspirator 300, and more specifically, may be connected to the connection terminal of the aspirator 300.

The data port 670 may further include a data port 670 for outputting the differential pressure data calculated by the control unit 660 to the aspirator 300 and the data port 670 may be connected to the aspirator 300 .

For example, the power port 640 and the data port 670 may be configured as a single output terminal 680, and the output terminal 680 may be drawn out of the housing 601 via a cable have. The output terminal 680 is provided to be connected to the connection terminal of the above-described suction unit.

That is, since the volume measuring apparatus 600 can be mounted on the aspirator 300 as needed for carrying out the bust volume measurement mode, the suction apparatus 300 can be downsized and slim.

The volume measuring apparatus 600 receives power from the aspirator 300 and measures only the pressure difference and transmits the measured differential pressure data to the aspirator 300 so that the volume measurement is performed in the aspirator 300 , The bust volume device 600 can be made compact.

The tissue expanding apparatus 10 according to another embodiment of the present invention includes a dome 100 to be worn on the wearer's body tissue, a suction device 300 to generate a negative pressure in the dome 100, And includes a volume measuring device 600 for measuring the volume of the body tissue (e.g., a chest) accommodated in the dome.

Hereinafter, the structure in which the functions of the aspirator 300 and the volume measuring device 600 are separated will be described in detail.

The suction device 300 includes a pump for generating a negative pressure in the dome, a first flow line for connecting the inlet port of the dome and the pump, a second flow line for connecting the discharge port of the pump and the external atmosphere, And a second port connected to the second flow line, and a first controller for controlling the pump and the control valve, respectively.

The volume measuring device may further include an inlet for introducing external air, an outlet for supplying external air to the second flow line of the aspirator, a housing having an inlet and an outlet, a flow line for connecting the inlet and the outlet in the housing, First and second pressure sensors provided at two different points in the line, and a second controller for outputting the differential pressure measured by the first and second pressure sensors to the suction unit.

At this time, when the pump is operated and the control valve is closed, the inside of the dome reaches the first set pressure, and when the pump is stopped and the control valve is opened, external air is introduced into the dome through the volumetric measuring device, And reaches a second set pressure lower than the first set pressure.

In addition, the first controller 490 may be configured to perform a biceps volume measurement mode for measuring changes in the volume of the biceps. When the volume measurement device is mounted on the aspirator, The flow rate of the air introduced through the volumetric measuring device until the inside of the dome reaches the second set pressure different from the first set pressure while the pump is stopped and the outside air is introduced into the dome, And calculates the volume of air introduced into the dome. When the air volume is calculated a plurality of times, the change in the volume of the chest is measured based on the difference in the volume of the air for each time.

The first control unit 490 determines the flow rate from the differential pressure transmitted from the second control unit 660, calculates the flow rate by integrating the flow rate with respect to time, and integrates the flow rate with respect to time to calculate the air volume do. In addition, the flow rate can be determined based on the previously stored differential pressure-flow rate table.

Further, as described above, the two different points may be points where the flow cross-sectional area of the air at the discharge line is different.

The volume measuring device 600 may also include an output terminal 680 electrically connectable to the battery 495 of the aspirator 300, as described above.

25 and 26 are exploded perspective views of a canister 500 constituting an aspirator according to an embodiment of the present invention, and Fig. 27 is a sectional view of the state in which each component of Fig. 25 is engaged.

In this embodiment, the tissue expanding device is mounted on a dome and a dome for receiving a body tissue of a wearer, and includes a suction device for generating a sound pressure inside the dome.

At this time, the aspirator 300 includes a housing 301 having an inlet 302 and an outlet 303 connected to the inside of the dome, a pump 410 disposed in the housing 301 and sucking air in the dome through the inlet, And a canister 600 mounted on the inlet 302 side of the housing 301.

The canister 600 has a suction port connected to the inside of the dome, a discharge port connected to the inlet port, and a flow path F connecting the suction port and the discharge port.

Referring to FIG. 27, the flow path F connects a plurality of first sections provided so that air flows parallel to the center axis direction of the intake port and two first sections adjacent to each other, and air flows in a radial direction And a second section adapted to flow in the second direction.

In addition, the second section may be arranged such that air flows in a predetermined rotation direction with respect to the central axis of the suction port.

Further, the intake port and the discharge port of the canister may be arranged coaxially.

Specifically, the canister 600 includes a suction member 510, which is formed of an elastic material, and a lower case 520 to which the suction member 510 is mounted. The canister 600 has an upper case 550 having a discharge port and installed in the lower case 520 to form a predetermined flow space, and a lower case 520, which is disposed in the flow space and has a plurality of first and second sections And a partition member 530 partitioned by the partition member 530. In addition, the canister 600 includes a filter 540 disposed between the partition member 530 and the upper case 550.

As shown in FIG. 1, unlike the structure in which the dome and the aspirator are separated from each other through the connection tube, when the suction device is detachably mounted on the dome, the flow path connecting the inside of the dome and the suction device is shortened, have.

However, when the flow path F is formed as in the canister 600 according to the present embodiment, moisture can be prevented.

Specifically, the lower case 520 may have a plurality of first flow guides 521, which are ring-shaped and arranged concentrically and having different diameters, on a first surface facing the upper case 530. In addition, the partition member 530 may have a second flow guide 531 disposed between the adjacent two first flow guides 521 on the first surface facing the lower case.

Here, the first flow guide may have a height not contacting the partition member, and the second flow guide may have a height not contacting the lower case.

In this structure, the space between the first flow guide 521 and the second flow guide 531 forms a first section, and the space between the second flow guide 531 and the first surface of the lower case 520, Two sections can be formed.

In addition, the partition member 530 may be provided with a plurality of spacers 532, 533 for supporting the filter on the second surface in the opposite direction of the first surface. The plurality of spacers 532 and 533 may be arranged at predetermined intervals along the radial direction and the circumferential direction, respectively.

The space between the second surface of the partition member 530 and the filter 540 is connected to the discharge port of the upper case 550.

Further, in order to absorb water, superabsorbent resin particles (SAP) may be disposed in the flow space.

The canister 600 may include a sealing cap 560 attached to the discharge port side of the upper case 550 and contacting the inlet side of the housing 301 of the suction device 300.

At this time, a ring-shaped inlet guide 316 is provided on the bottom surface of the main case 310 of the suction device 300, a discharge port of the upper case 550 is disposed in the inlet guide 316, Is in close contact with the inner peripheral surface of the inlet guide (316).

The discharge port of the upper case 550 is fluidly connected to the flow path of the sound pressure sensing part 380.

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

10: tissue expanding device
20:
100: Dome for tissue extension
110: cap
120: air tube
200: connecting tube
300: aspirator
500: Canister
600: Volumetric measuring device

Claims (12)

A housing having an inlet and an outlet;
A pump disposed in the housing and sucking air entering through the inlet;
A first flow line connecting the inlet port and the inlet port of the pump;
A second flow line connecting an outlet port of the pump and an outside atmosphere;
An adjustment valve disposed within the housing and having a first port connected to the first flow line and a second port connected to the second flow line;
A battery disposed within the housing for supplying power to the pump; And
And a control unit for controlling the pump and the control valve, respectively. The method according to claim 1,
An air distribution system mounted to the pump and defining at least a portion of the first flow line and forming at least a portion of the inlet flow path and the second flow line connected to the inlet port of the pump and having an outlet flow path connected to a discharge port of the pump, Further comprising a member. 3. The method of claim 2,
Wherein the control valve is mounted to the air distribution member such that the first port is connected to the inflow channel and the second port is connected to the outflow channel. The method of claim 3,
When the pump is operated and the control valve is closed, the air is sucked to the pump side along the inflow path of the air distribution member through the inflow port, and the air is discharged to the outside along the outflow path. 5. The method of claim 4,
When the pump is stopped and the regulating valve is opened, external air flows into the second port of the regulating valve along the outflow channel, and then moves to the inlet port side along the inflow channel after passing through the first port. 3. The method of claim 2,
A flow hole is provided in the inflow passage of the air distribution member,
Wherein the flow hole is provided with a check valve for allowing only flow in a direction toward the inlet port side of the pump. The method according to claim 6,
The check valve opens the inlet flow path to the inlet port side of the pump when the pump is operated, and closes the inlet flow path if the pump does not operate. The method according to claim 6,
The check valve comprises: a shaft inserted into the flow hole;
A sealing member mounted on the shaft and contacting the flow hole; And
And an elastic member which is operated to operate the pump so as to be compressed when the shaft moves toward the pump side,
And the sealing member is detached from the flow hole when the shaft moves to the pump side. The method according to claim 1,
Further comprising a discharge line connecting the outlet line of the air distribution member to the outlet of the housing and forming at least a portion of the second flow line. The method according to claim 1,
Further comprising a sound pressure sensing unit disposed in the housing and having a flow path connecting the inlet port and the air flow path of the air distribution member and measuring the pressure of the air sucked through the inlet port. Dome for tissue extension; And
And a suction device removably mounted on the dome,
The dome includes a cap having a receiving portion covering a portion of the wearer's body, a suction port fluidly connected with the receiving portion, and a mounting portion surrounding the suction port; And
And a contact portion provided along an edge of the cap to contact the wearer's body,
The suction device having an inlet port and an outlet port connected to the suction port, the housing being housed in the mounting portion;
A pump disposed in the housing and sucking air entering through the inlet;
A first flow line connecting the inlet port and the inlet port of the pump;
A second flow line connecting an outlet port of the pump and an outside atmosphere;
An adjustment valve disposed within the housing and having a first port connected to the first flow line and a second port connected to the second flow line;
A battery disposed within the housing for supplying power to the pump; And
And a control for controlling the pump and the control valve, respectively. 12. The method of claim 11,
And one or more magnets are respectively disposed in the mounting portion side of the cap and in the housing.

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