CN109011115B - Saccule expansion pressure pump - Google Patents
Saccule expansion pressure pump Download PDFInfo
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- CN109011115B CN109011115B CN201811049958.4A CN201811049958A CN109011115B CN 109011115 B CN109011115 B CN 109011115B CN 201811049958 A CN201811049958 A CN 201811049958A CN 109011115 B CN109011115 B CN 109011115B
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- Prior art keywords
- push rod
- shell
- push
- pressure pump
- rod shell
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- 210000005077 saccule Anatomy 0.000 title description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 27
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000002560 therapeutic procedure Methods 0.000 description 5
- 239000002872 contrast media Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/06—Venting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/12—Blood circulatory system
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a balloon expansion pressure pump, which comprises a shell, a pressure control mechanism and a switching mechanism, wherein the pressure control mechanism is arranged in the shell and comprises a push head, a push rod and a push rod shell; the push rod shell is provided with an air hole communicated with the outside; the push rod can axially reciprocate along the push rod under the action of the switching mechanism, and when the push rod moves to the first position, the push head is attached to the push rod shell; when the push head moves to the second position, the push head is separated from the push rod shell to form an axial gap, and the axial gap, the radial gap and the air hole are sequentially communicated to form an exhaust channel. The balloon expanding pump can realize rapid and effective exhaust of the balloon, greatly simplify the operation and save the operation time.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a balloon expansion pressure pump.
Background
Interventional therapy refers to minimally invasive therapy by means of modern high-tech means, namely, under the guidance of medical imaging equipment, special precise instruments such as catheters, guide wires and the like are introduced into a human body to diagnose and treat the pathological condition in the human body locally. The interventional therapy adopts a digital technology, so that the visual field of doctors is enlarged, the guide wire prolongs the hands of the doctors by means of the catheter, and the incision of the guide wire is only the size of rice grains, so that a plurality of diseases which cannot be treated in the past and have poor curative effects of surgical treatment or medical treatment, such as tumors, hemangiomas, various bleeding and the like, can be treated without cutting human tissues. The interventional therapy has the characteristics of no operation, small wound, quick recovery and good effect, and therefore, has wide development prospect. Among them, the balloon dilation method is used for treating cardiovascular diseases, which is an interventional therapy, wherein a balloon dilation pressure pump is an indispensable medical instrument.
The balloon expansion pressure pump, also called balloon expansion pressurizer, is mainly used for injecting or pumping back liquid media such as physiological saline, contrast agent and the like into the balloon so as to achieve the effects of accurately pressurizing, expanding, releasing pressure and collapsing the balloon. When the pressure pump is used, a certain amount of liquid is firstly sucked, then the pressure pump is connected with the balloon catheter through the three-way valve, and the negative pressure is firstly pumped for several times before the balloon is expanded, so that the gas in the balloon is discharged. When exhausting, the three-way valve is repeatedly switched to exhaust, and the pressure pump is required to be inverted to completely exhaust the gas. Different saccules are often replaced in the operation, repeated operation is needed, operation by doctors is very inconvenient, and precious time is delayed in the operation.
The prior art patent (CN 204840633U) discloses a medical balloon inflation pressure pump, in which an exhaust valve is added to a conventional balloon inflation pressure pump, so as to facilitate the exhaust through the exhaust valve in use. However, the position of the exhaust valve and the amount of liquid will affect the exhaust effect, if the position of the exhaust valve is lower, the exhaust function is lost when the liquid level is higher, and the exhaust effect is not achieved. If the exhaust valve is too high and the liquid level is low, incomplete exhaust is caused, and most of gas is likely to be unable to be exhausted, so that the function of exhaust is lost. Therefore, this prior art has a great limitation.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide the balloon inflation pressure pump which is simple in operation and capable of realizing rapid and effective exhaust of the balloon.
In order to achieve the above object, the balloon inflation pressure pump of the present invention comprises a housing, a pressure control mechanism provided in the housing for controlling the pressure in the balloon, and a switching mechanism, wherein,
the pressure control mechanism comprises a piston, the piston comprises a push head, a push rod and a push rod shell, the push rod shell is provided with a central through hole penetrating along the axial direction, the push rod is arranged in the central through hole in a penetrating mode, a radial gap exists between the push rod and the push rod shell, two ends of the push rod extend to the outer side of the push rod shell, one end of the push rod is connected with the push head, and the other end of the push rod is in butt joint with the switching mechanism; the push rod shell is provided with an air hole communicated with the outside;
the push rod can axially reciprocate along the push rod under the action of the switching mechanism, and when the push rod moves to a first position, the push head is attached to the push rod shell; when the push head moves to the second position, the push rod shell is separated from the push rod head to form an axial gap, and the axial gap, the radial gap and the air hole are sequentially communicated to form an exhaust channel.
Further, the switching mechanism is arranged in a handle at the tail end of the shell, a first limit groove extending along the axial direction and a second limit groove extending along the radial direction are arranged in the handle, and the first limit groove is communicated with the bottom of the second limit groove; the switching mechanism comprises a separation button, a locating pin and a reset button, wherein the separation button is partially arranged in the first limiting groove, the locating pin and the reset button are arranged in the second limiting groove, the reset button is fixedly arranged above the locating pin, and the separation button is in butt joint with the push rod.
Further, a groove is formed in one end, close to the push head, of the push rod, the groove is located in the push rod shell, a reset spring is arranged in the groove, and two ends of the reset spring are respectively abutted to the push rod shell and the groove wall of the groove.
Further, the separation button is an elastic piece.
Further, the pressure control mechanism further comprises a cylinder body, and the piston is coaxially arranged in the cylinder body.
Further, an upper sliding block and a lower sliding block which can be separated are arranged in the middle of the push rod shell, and the upper sliding block and the lower sliding block are respectively in threaded fit with the push rod shell.
Further, a pushing block is further arranged on the shell, a guide groove is formed in the pushing block, guide posts are arranged on two sides of the upper sliding block and the lower sliding block, the guide posts are movably embedded in the guide groove, and the guide groove comprises an inclined section at the front end and a horizontal section at the rear end;
when the guide post is positioned on the horizontal section, the upper sliding block and the lower sliding block form tight threaded fit with the push rod shell; when the guide post is positioned at the inclined section, the upper slider and the lower slider are separated from the push rod shell.
Further, the device also comprises a pressure monitoring mechanism, wherein the pressure monitoring mechanism is connected with the pressure control mechanism and used for monitoring the pressure in the balloon, and a containing cavity used for containing the pressure monitoring mechanism is formed in the surface of the shell.
Further, a connecting pipe communicated with the cylinder is arranged on the cylinder, and one end of the connecting pipe, which is far away from the cylinder, is provided with a joint connected with the balloon catheter.
Further, a protrusion is arranged on the push rod shell, and when the push head is attached to the push rod shell, the protrusion is matched with a sealing groove arranged on the push head.
Further, the protrusion is an annular protrusion, and the seal groove is an annular groove and can be overlapped with the annular protrusion.
By virtue of the above-described aspects, the balloon inflation pressure pump of the present invention has at least the following advantages:
according to the invention, the push rod of the piston is arranged in the push rod shell in a penetrating way, two ends of the push rod extend to the outer side of the push rod shell, one end of the push rod is connected with the push head, the other end of the push rod is abutted with the switching mechanism, and an air hole communicated with the outside is arranged on the push rod shell; under the effect of the switching mechanism, the push rod can axially reciprocate along the push rod so as to drive the push head to move, so that the push head can be separated from the push rod shell to form an axial gap, an exhaust channel is formed by the axial gap, a radial gap between the push rod and the push rod shell and an air hole on the push rod shell, after the balloon is pumped with negative pressure, air in the pressure pump can be exhausted to the outside through the exhaust channel, the pressure pump is not required to be reversely arranged, and the operation steps in an operation are simplified and the operation time is also saved because the three-way valve is not required to be used for communicating with air for exhausting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the internal structure of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a piston structure of the push rod of embodiment 1 of the present invention in a first position;
FIG. 4 is a schematic view of a switching mechanism of the push rod of embodiment 1 of the present invention in a first position;
FIG. 5 is a schematic view of a piston structure of the push rod of embodiment 1 of the present invention in a second position;
FIG. 6 is a schematic view of a switching mechanism of the push rod of embodiment 1 of the present invention in the second position;
FIG. 7 is a schematic diagram of a push block according to embodiment 1 of the present invention;
FIG. 8 is a schematic view of a piston structure of a push rod according to embodiment 2 of the present invention in a second position;
FIG. 9 is a schematic view of a putter in accordance with embodiment 2 of the present invention at section A-A in a second position
The symbols in the drawings are as follows:
1. the device comprises a shell, 2, a cylinder body, 3, a piston, 301, a push head, 302, a push rod shell, 303, a push rod, 304, a groove, 305, a return spring, 306, an axial gap, 307, an air hole, 308, a seal groove, 309, an annular protrusion, 4, a handle, 41, a first limit groove, 42, a second limit groove, 401, a separation button, 402, a separation button front end, 403, a positioning pin, 404, a return button, 5, an upper slide block, 6, a lower slide block, 7, an external thread, 8, a pressure monitoring mechanism, 9, a connecting pipe, 10, a connector, 11, a push block, 111, an upper guide groove, 112, a lower guide groove, 113, an inclined section, 114 and a horizontal section.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present specification, the shape and positional relationship of each portion will be described with respect to the push rod with the direction along the central axis of the push rod being the front-rear direction and the push head side being the front. However, the direction of use at the time of pumping or pressurizing of the balloon pressure pump is not intended to be limited by the definition of the front-rear direction, and the direction parallel or substantially parallel to the central axis of the pushrod is referred to as "axial direction", and the radial direction centered on the central axis of the pushrod is simply referred to as "radial direction".
Example 1
As shown in fig. 1-2, the balloon expanding pressure pump provided in this embodiment includes a casing 1, a pressure control mechanism and a switching mechanism, the pressure control mechanism is disposed in the casing 1 and is used for controlling the pressure in the balloon, wherein the pressure control mechanism includes a cylinder 2 and a piston 3 disposed in the cylinder 2 and matched with the cylinder 2, the piston 3 includes a push head 301, a push rod 303 and a push rod shell 302, a gap exists between the push rod shell 302 and the inner wall of the cylinder 2, the push rod 303 is partially disposed in the push rod shell 302 and has a gap with the inner wall of the push rod shell 302, one end of the push rod 303 is provided with a groove 304, the groove 304 axially passes through a through hole formed in the push rod shell 302 along the push rod 303 and extends out to be connected with the push head 301, a return spring 305 is further disposed in the groove 304, and two ends of the return spring 305 are respectively abutted against the push rod shell 302 and the groove wall of the groove 304; the other end of the push rod 303 is in contact with a switching mechanism which is provided in the handle 4 at the end of the housing 1 and acts on the push rod 303.
The switching mechanism comprises a separation button 401, a positioning pin 403 and a reset button 404, wherein the front end 402 of the separation button is arranged in a first limit groove 41 of the handle 4, the positioning pin 403 and the reset button 404 are arranged in a second limit groove 42 of the handle 4, the front end of the first limit groove 41 is communicated with the bottom of the second limit groove 42, the reset button 404 is arranged above the positioning pin 403, and the separation button 401 is an elastic piece and is in contact with the push rod 303.
When the push rod 303 is in the first position, as shown in fig. 3 to 4, a part of the separation button 401 protrudes out of the surface of the handle 4, the front end 402 of the separation button contacts with the rear end groove wall of the first limit groove 41 and abuts against the groove top of the first limit groove 41, and the push head 301 is attached to the push rod shell 302; when the push rod 303 is in the second position, as shown in fig. 5-6, the separation button 401 is pushed into the handle 4 by the front, the separation button 401 acts on the push rod 303 to enable the push rod 303 to move axially and push the push head 301 to move, an axial gap 306 is formed by separation between the push head 301 and the push rod shell 302, the axial gap 306 increases along with pushing of the push head, meanwhile, air at the front end of the push head 301 enters the axial gap 306 from the gap between the piston 3 and the cylinder 2, and is discharged to the outside after passing through a radial gap between the push rod 303 and the push rod shell 302 and an air hole 307 formed in the push rod shell 302 in the arrow direction in fig. 3, and the axial gap 306, the radial gap and the air hole 307 are sequentially communicated to form an exhaust channel; when the front end 402 of the separation button is pushed to the bottom of the second limiting groove 42, the front end 402 of the separation button is clamped into the bottom of the second limiting groove 42 under the action of self elastic force, the positioning pin 403 is jacked up, the reset button 403 is jacked up, and a part of the reset button 403 protrudes out of the surface of the handle 4.
If the push head 301 is to be reset, the reset button 404 is pressed down, the front end 402 of the separation button is pressed down to the bottom of the second limit groove 42, and the reset spring in the groove 304 is in a compressed state when the push head 301 is separated from the push rod shell 302, so that the push rod has a tendency to move backwards, and at the moment that the front end 402 of the separation button is separated from the second limit groove 42, the push rod 303 pushes the separation button 401 backwards under the action of the reset spring until the front end 402 of the separation button is contacted with the groove wall at the rear end of the first limit groove 41 again, at this time, the axial gap 306 is closed, and the push head 301 is closely attached to the push rod shell 302.
Preferably, an external thread 7 is arranged in the middle of the push rod shell 302, an upper sliding block 5 and a lower sliding block 6 which can be separated up and down are arranged on the external thread, and internal threads matched with the external thread are arranged in the upper sliding block 5 and the lower sliding block 6; the shell 1 is also provided with a push block 11, as shown in fig. 7, the push block 11 is provided with an upper guide groove 111 and a lower guide groove 112, both sides of the upper slide block 5 and the lower slide block 6 are provided with guide posts, the guide posts are movably embedded in the upper guide groove 111 and the lower guide groove 112, and the two guide grooves comprise an inclined section at the front end and a horizontal section at the rear end; when the guide post is positioned on the horizontal section 114, the internal threads of the upper slide block 5 and the lower slide block 6 are tightly matched with the external threads 7 on the push rod shell 302, and the upper slide block and the lower slide block are buckled together; when the guide post is located in the inclined section 113, the internal threads of the upper slider 5 and the lower slider 6 are disengaged from the external threads on the push rod housing. By means of the cooperation of the separable sliding block structure and the guide groove on the push rod shell 302, the reliability and stability of pressurization are ensured, and the guide groove structure of the inclined section effectively separates the internal threads of the upper sliding block and the lower sliding block from the external threads 7 on the push rod shell 302 during pressure removal, so that the pressure removal is simple, rapid and effective.
The balloon inflation pressure pump of the embodiment further comprises a pressure monitoring mechanism 8, wherein the pressure monitoring mechanism 8 is preferably a pressure gauge and is connected with the pressure control mechanism for monitoring the pressure in the balloon, and a containing cavity for containing the pressure monitoring mechanism 8 is formed in the surface of the shell 1.
In this embodiment, a connection pipe 9 is further disposed on the cylinder 1 and is communicated with the cylinder 1, and a connector 10 connected with the balloon catheter is disposed at one end of the connection pipe 9 away from the cylinder 1, wherein the connection pipe 9 is preferably a pressure-resistant pipe, and the connector 10 is a conical luer connector.
Example 2
The present invention also provides another preferred embodiment, as shown in fig. 8, in which a protrusion 309 is provided on the push rod case 302, and the protrusion 309 is engaged with a sealing groove 308 provided on the push rod 301 when the push rod 301 is not separated from the push rod case 302.
Preferably, as shown in fig. 9, the protrusion 309 is an annular protrusion, and the seal groove 308 is an annular groove and can coincide with the annular protrusion. By using the push head with the seal groove structure to be matched with the push rod shell, better sealing effect between the push head and the push rod shell can be realized, the stability of pumping or pressurizing the sacculus when not exhausting is ensured, and the gas can be rapidly separated to enter the axial gap 306 and be discharged to the outside when exhausting.
After the contrast agent or normal saline is extracted by using the invention, the contrast agent or normal saline is connected with the saccule through the connecting pipe 9 and the connector 10, the valve on the connector 10 is opened, the saccule is pumped with negative pressure, the valve is closed, the separation button is pressed down, the push head 301 is separated from the push rod shell 302, and the air in the cylinder body enters an axial gap and is discharged to the outside through the air hole on the push rod shell 302; after the exhaustion is completed, the reset button is pressed to reset the push head 301, the valve on the joint 10 is opened, and the negative pressure of the balloon can suck contrast agent or physiological saline into the balloon. The process can keep the cylinder horizontal, inverted exhaust is not needed, and meanwhile, the three-way valve is not needed to be introduced to repeatedly switch the valve to exhaust the balloon, so that the operation of doctors is facilitated, and the operation time is saved. If the pressure pump is used for pressurizing the saccule, after the pressurization is completed, the clutch structure of the push head and the push rod shell can be opened, so that the saccule is directly communicated with the outside, and the pressure is rapidly removed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a sacculus inflation pressure pump, includes casing, pressure control mechanism and switching mechanism, pressure control mechanism locates in the casing for control the pressure in the sacculus, its characterized in that:
the pressure control mechanism comprises a piston, the piston comprises a push head, a push rod and a push rod shell, the push rod shell is provided with a central through hole penetrating along the axial direction, the push rod is arranged in the central through hole in a penetrating mode, a radial gap exists between the push rod and the push rod shell, two ends of the push rod extend to the outer side of the push rod shell, one end of the push rod is connected with the push head, and the other end of the push rod is in butt joint with the switching mechanism; the push rod shell is provided with an air hole communicated with the outside;
the push rod can axially reciprocate along the push rod under the action of the switching mechanism, and when the push rod moves to a first position, the push head is attached to the push rod shell; when the push head moves to the second position, the push rod shell is separated from the push rod head to form an axial gap, and the axial gap, the radial gap and the air hole are sequentially communicated to form an exhaust channel.
2. The balloon inflation pressure pump of claim 1, wherein: the switching mechanism is arranged in a handle at the tail end of the shell, a first limit groove extending along the axial direction and a second limit groove extending along the radial direction are arranged in the handle, and the first limit groove is communicated with the bottom of the second limit groove; the switching mechanism comprises a separation button, a locating pin and a reset button, wherein the separation button is partially arranged in the first limiting groove, the locating pin and the reset button are arranged in the second limiting groove, the reset button is fixedly arranged above the locating pin, and the separation button is in butt joint with the push rod.
3. The balloon inflation pressure pump of claim 1, wherein: the push rod is close to the one end of pushing away the head is equipped with the recess, the recess is located the push rod shell is interior, be provided with reset spring in the recess, reset spring's both ends respectively with the push rod shell with the cell wall butt of recess.
4. The balloon inflation pressure pump of claim 2, wherein: the separation button is an elastic piece.
5. The balloon inflation pressure pump of claim 1, wherein: the pressure control mechanism further comprises a cylinder body, and the piston is coaxially arranged in the cylinder body.
6. The balloon inflation pressure pump of claim 1, wherein: the middle part of the push rod shell is provided with an upper sliding block and a lower sliding block which can be separated, and the upper sliding block and the lower sliding block are respectively in threaded fit with the push rod shell.
7. The balloon inflation pressure pump of claim 6, wherein: the shell is also provided with a pushing block, the pushing block is provided with a guide groove, both sides of the upper sliding block and the lower sliding block are provided with guide posts, the guide posts are movably embedded in the guide groove, and the guide groove comprises an inclined section at the front end and a horizontal section at the rear end;
when the guide post is positioned on the horizontal section, the upper sliding block and the lower sliding block form tight threaded fit with the push rod shell; when the guide post is positioned at the inclined section, the upper slider and the lower slider are separated from the push rod shell.
8. The balloon inflation pressure pump of claim 1, wherein: the pressure monitoring mechanism is connected with the pressure control mechanism and used for monitoring the pressure in the balloon, and the surface of the shell is provided with a containing cavity for containing the pressure monitoring mechanism.
9. The balloon inflation pressure pump of claim 5, wherein: the connecting tube communicated with the cylinder is arranged on the cylinder, and one end of the connecting tube, which is far away from the cylinder, is provided with a joint connected with the balloon catheter.
10. The balloon inflation pressure pump of claim 1, wherein: the push rod shell is provided with a bulge, and when the push head is attached to the push rod shell, the bulge is matched with a sealing groove arranged on the push head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049958.4A CN109011115B (en) | 2018-09-10 | 2018-09-10 | Saccule expansion pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049958.4A CN109011115B (en) | 2018-09-10 | 2018-09-10 | Saccule expansion pressure pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109011115A CN109011115A (en) | 2018-12-18 |
| CN109011115B true CN109011115B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811049958.4A Active CN109011115B (en) | 2018-09-10 | 2018-09-10 | Saccule expansion pressure pump |
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| Country | Link |
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| CN (1) | CN109011115B (en) |
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| CN102218191B (en) * | 2011-06-08 | 2014-05-07 | 北京达必通科技开发有限公司 | Sacculus force pump |
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| EP0213748A1 (en) * | 1985-07-30 | 1987-03-11 | Advanced Cardiovascular Systems, Inc. | Dual dilatation catheter assembly and miniature balloon dilatation catheter for use therewith |
| CN103619383A (en) * | 2011-04-04 | 2014-03-05 | 艾迪国际研发有限公司 | Needleless injector wand assembly |
| CN203384252U (en) * | 2013-07-29 | 2014-01-08 | 安徽中工科技股份有限公司 | Air pressure assistance clutch pump assembly |
| CN204379966U (en) * | 2014-11-27 | 2015-06-10 | 烟台毓璜顶医院 | A kind of medical extension fixture |
| CN204716815U (en) * | 2015-06-12 | 2015-10-21 | 日照市北业制动泵有限公司 | Automatic clutch clutch power-assisted master cylinder |
| CN107262654A (en) * | 2017-08-04 | 2017-10-20 | 常州今创风挡系统有限公司 | Ultrashort head Pneumatic hand riveter |
| CN209790586U (en) * | 2018-09-10 | 2019-12-17 | 科塞尔医疗科技（苏州）有限公司 | Balloon dilatation pressure pump |
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|---|---|
| CN109011115A (en) | 2018-12-18 |
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