CN108969861A - Breathing circuit Bidirectioning sealed captation - Google Patents

Abstract

The invention discloses a kind of breathing circuit Bidirectioning sealed captation, the Y-piece component sum aggregate water cup module in medical instruments field, including removable cooperation is applied.The present invention replaces the low capacity collecting bowl that tradition uses by using the liquid-collection bag or liquid-collecting bottle of large capacity, and the frequency that medical staff replaces the cup assembly that catchments is reduced to present 1/20~1/10, the replacement frequency is greatly reduced, mitigates the workload of medical staff.While the sealing mechanism by the way that cup body can be divided into the space that upper layer and lower layer are relatively isolated from, it realizes before disassembling and catchmenting cup assembly, just condensed water is fully sealed, guarantee replacement catchment cup assembly process safety it is pollution-free, avoid condensed water/germ from overflowing in replacement process co-infected patients and medical staff.

Description

Breathing circuit Bidirectioning sealed captation

Technical field

The invention belongs to medical instruments fields, and in particular to a kind of breathing circuit Bidirectioning sealed captation.

Background technique

In current clinical medicine, effective means of the ventilator as an energy artificial substituting expiratory positive airway pressure function is general All over for anesthesia respiration management, Breathing Suppotion treatment and the emergency resuscitation during respiratory failure, major operation caused by a variety of causes In, highly important position is occupied in Modern Medical Field.Ventilator is that one kind can play prevention and treatment respiratory failure, Complication is reduced, the vital Medical Devices of patients ' lives are saved and extend.

There is ventilator substitution nasal cavity, oral cavity the humidification machine of humidifying heating is carried out to sucking gas, after heated humidifying Gas is sent through breathing pipeline to patient, and breathing pipeline is usually longer, and does not have heat insulation and heating equipment on breathing pipeline usually, because Gas after this heated humidifying is by that can generate condensed water when breathing pipeline.Since condensed water is patients with respiratory tract damp-heat Body is aggregated, and may especially be heated at respiratory disease highly infectious (such as SARS) containing causative agents such as bacteriums The condensed water generated in slaking process belongs to highly dangerous clinical waste.Therefore Chinese Preventive Medicine Association hospital infection control point Can 2008 formulate intensive care units in China (ICU) hospital infection management guide clearly proposes " helix tube condensed water need and When remove, be not directly poured over flooring, can not be by condensation flow to patient airway ".

It further include Y-piece component sum aggregate water cup module on breathing circuit in addition to basic feed channel.Y-piece component Two airflow channels access feed channel, a condensation channel and cup assembly connection of catchmenting.The cup assembly that catchments is mainly used for undertaking patient and exhales Water made of hot and humid gas liquefaction when suction, because its capacity is commonly designed smaller, it is therefore desirable to which medical staff is in the cup assembly that catchments The cup assembly that catchments is removed before being filled with, is poured off the water of the inside, continues to take back the use of Y-piece component, or what is more renewed catchment Cup assembly accesses Y-piece component and uses, and the frequency of replacement is usually hour/time 2-3, and replacement frequency as above is caused to medical staff Very hard work is born, and more time and efforts need to be paid, and medical staff's nursery work is usually very busy, white When the busy or on duty night shift of class, it inevitably will appear some carelessness, the cup assembly that catchments cannot be replaced in time.

Also, during the above replacement, after removing and catchmenting cup assembly, Y-piece component sum aggregate water cup module junction It is in open state.In the prior art, have to Y-piece component using corresponding self-sealing measure, such as gravity self sealing structure, Make remove catchment cup assembly when, Y-piece component lower end is self-enclosed, and the bacterium in external environment is avoided to be entered by Y-piece component Feed channel is inhaled by a patient and patient is caused to infect aggravation；Also avoid the germ contained in the gas of patient's exhalation (such as Patient in ICU is usually in a bad way, and also includes a large amount of germs in the gas of exhalation) infect the medical care people for replacing cup Member.But do not effectively prevent after replacing the cup assembly that catchments in the prior art, the cup assembly rim of a cup that will can catchment together also seals Measure.If catchmenting cup assembly blow-by, in condensed water be equally to carry a large amount of germ, condensed water is splashed or is waved It will cause under the working environment that medical worker is exposed to high-risk germ, make to exist between medical staff and patient greatly to hand over for hair Pitch the risk of infection.

Therefore, designing one kind can reduce the replacement frequency, mitigate medical staff's workload, while catchmenting in dismounting and change When cup assembly, Y-piece component sum aggregate water cup module is closed simultaneously, replace with it is completely new catchment cup assembly when, Y-piece component and The captation that cup assembly can be also turned on that catchments is extremely urgent.

Summary of the invention

In view of this, the purpose of the present invention is to provide a kind of breathing circuit Bidirectioning sealed captation, it can The replacement frequency is greatly reduced, mitigates the workload of medical staff, meanwhile, when dismounting and change catchments cup assembly, Y-piece component and Catchment and cup assembly while closing, replace with it is completely new catchment cup assembly when, Y-piece component sum aggregate water cup module can be also turned on Captation, with realize replacement catchment cup assembly process safety it is pollution-free, avoid condensed water/germ four in replacement process Co-infected patients of overflowing and medical staff.

In order to achieve the above objectives, the invention provides the following technical scheme:

A kind of breathing circuit Bidirectioning sealed captation, Y-piece component and collecting bowl including removable cooperation Component；The Y-piece component includes two airflow channels and a condensation channel；Catchment cup assembly and the condensation channel connection, institute It states condensation channel inner wall and is equipped with fixed plug close to cup assembly side of catchmenting, far from cup assembly side of catchmenting equipped with retreat stop block；It is described Fixed plug middle part offers water stream channel；Motion stops are movably equipped between the retreat stop block and fixed plug；The motion stops and water The matching of circulation channel type face, can close water stream channel after falling under the effect of gravity, can be by water flow under the effect of external jack-up It opens in channel；

The cup assembly that catchments includes cup body, apical axis, diversion pipe, liquid collector and sealing mechanism；

The cup body and condensation channel are connected；The apical axis is vertically fixed on bottom of cup, and apical axis length satisfaction is being catchmented Can jack up motion stops after cup assembly and the assembly of Y-piece component opens water stream channel；

The liquid collector is connected to bottom of cup by diversion pipe；The bottom of cup is offered with diversion pipe junction Deflector hole；

The sealing mechanism is set to cup body circumferential direction, and cup body can be divided into the space that upper layer and lower layer are relatively isolated from.

Preferably, the sealing mechanism includes baffle, cover plate and push rod；

The baffle is arranged in cup body and is bonded with cup body inner wall, and baffle center offers the through-hole passed through for apical axis； The minimum-value aperture of the through-hole is greater than water stream channel lower diameter；

The cover plate is arranged in cup body；

The push rod is connect with cover plate, and radially movable through cup body wall；The cover plate, can under the progradation of push rod It is seamless applying with apical axis periphery, and all standing is formed to the through-hole of baffle and is blocked, and then it is opposite that cup body is divided into upper layer and lower layer The space of isolation.

Preferably, the cover plate at least two panels, every connect with a push rod.

Preferably, the cup body inner wall is provided with boss；The baffle is set in cup body by the boss.

Preferably, pull ring is equipped on the outside of the push rod.

Preferably, the push rod is arranged with one layer of waterproof grommet at cup body wall.

Preferably, the deflector hole is provided with bottom of cup center, and bottom of cup is in the low structure of circumferential high central.

Preferably, the liquid collector is liquid-collection bag or liquid-collecting bottle；It is equipped on the diversion pipe or liquid collector unidirectional Exhaust valve.

Preferably, the liquid collector top is connected with hanging hole.

It preferably, further include cap；The cap is connected to cup body circumferentially and can be with the rim of a cup assembly connection of cup body.

Preferably, strainer is equipped between the deflector hole and diversion pipe.

The beneficial effects of the present invention are:

1, liquid-collection bag or liquid-collecting bottle of the present invention by using large capacity, the low capacity collecting bowl that replacement tradition uses will The frequency that medical staff replaces the cup assembly that catchments is reduced to present 1/20~1/10, and the replacement frequency is greatly reduced, and mitigates medical care The workload of personnel.

2, the sealing mechanism of the invention by the way that cup body can be divided into the space that upper layer and lower layer are relatively isolated from, realization are being dismantled Before falling the cup assembly that catchments, just condensed water is fully sealed, is realized when dismounting and change catchments cup assembly, Y-piece component and It catchments and cup assembly while closing, after replacing with the completely new cup assembly access Y-piece component that catchments, Y-piece component and collecting bowl Component can be also turned on again, guaranteed that the process safety for replacing the cup assembly that catchments is pollution-free, avoided condensed water/germ in replacement process In overflow co-infected patients and medical staff.

Detailed description of the invention

In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out Illustrate:

Fig. 1 is one use state diagram of embodiment (cup assembly that catchments is unclosed)；

Fig. 2 is the region M partial enlarged view in Fig. 1；

Fig. 3 is structural schematic diagram after Y-piece component disassembly in embodiment one；

Fig. 4 is structural schematic diagram after catchmenting cup assembly disassembly in embodiment one；

The top view (omitting diversion pipe and liquid collector) that Fig. 5 is Fig. 4；

Fig. 6 is schematic diagram after through-hole perspective processing in Fig. 5；

Fig. 7 is two structural schematic diagram of embodiment；

Fig. 8 is collecting bowl component structure diagram when cap is assemblied in the rim of a cup of cup body in embodiment two；

Fig. 9 is embodiment three in Fig. 2 state flowering structure schematic diagram；

Figure 10 is example IV in Fig. 4 state flowering structure schematic diagram.

It is marked in attached drawing as follows: Y-piece component 1, airflow channel 11, condensation channel 12, fixed plug 13, retreat stop block 14, water Circulation road 15, motion stops 16, the cup assembly 2 that catchments, cup body 21, boss 211, apical axis 22, diversion pipe 23, liquid collector 24, water conservancy diversion Hole 25, baffle 26, through-hole 261, cover plate 27, push rod 28, pull ring 281, waterproof grommet 3, one-way exhaust valve 4, hanging hole 5, envelope Capping 6, strainer 7.

Specific embodiment

Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.

Embodiment one

Such as Fig. 1~6, a kind of breathing circuit Bidirectioning sealed captation, the Y-piece component including removable cooperation 1 sum aggregate water cup module 2；The Y-piece component 1 includes two airflow channels 11 and a condensation channel 12；It is described catchment cup assembly 2 with Condensation channel 12 is connected, and 12 inner wall of condensation channel is equipped with fixed plug 13 close to 2 side of cup assembly of catchmenting, far from collecting bowl group Part side is equipped with retreat stop block 14, and retreat stop block 14 is moved for avoiding motion stops 16 from crossing position toward Y-piece component inside；The fixed plug 13 middle parts offer water stream channel 15；Motion stops 16 are movably equipped between the retreat stop block 14 and fixed plug 13；The motion stops 16 match with 15 type face of water stream channel, can close water stream channel 15 after falling under the effect of gravity, act in external jack-up Under water stream channel 15 can be opened；

The cup assembly 2 that catchments includes cup body 21, apical axis 22, diversion pipe 23, liquid collector 24 and sealing mechanism；

The cup body 21 is connected with condensation channel 12；The apical axis 22 is vertically fixed on 21 bottom of cup body, 22 length of apical axis Meeting to jack up motion stops 16 after catchment cup assembly 2 and the assembly of Y-piece component 1 be such that water stream channel 15 opens；

The liquid collector 24 is connected to 21 bottom of cup body by diversion pipe 23；1 bottom of cup body and diversion pipe 23 connect The place of connecing offers deflector hole 25；Specifically, diversion pipe 23 is connected to by a back taper funnel with deflector hole 25；

It is circumferential that the sealing mechanism is set to cup body 21, and cup body 21 can be divided into the sky that upper layer and lower layer are relatively isolated from Between.

In use, as shown in Figure 1,1 sum aggregate water cup module 2 of Y-piece component is assembled together, (assembly method can exist for the two Contact portion is realized by screw thread to be cooperated, and is conventional arrangement, therefore the application does not limit fit system), apical axis at this time 22 are jacked up motion stops 16 by fixed 13 middle part of plug, are exposed water stream channel 15, are kept water stream channel 15 in the open state, while close The upper layer and lower layer of cup body 21 are linked together by sealing mechanism keeps cup body in the conductive state.Two airflow channels 11 of Y-piece component 1 are then It is each responsible for air inlet and the outlet of breathing circuit, condensed water made of hot and humid gas liquefaction is then by Fig. 1 when patient respiratory Arrow direction flows into cup body 21, and flows into diversion pipe 23 through deflector hole 25, and final remittance liquid collector 24, which is realized, to be collected.Liquid collecting dress Setting 24 can be liquid-collection bag or liquid-collecting bottle, and diversion pipe 23 or liquid collector 24 are equipped with one-way exhaust valve 4 for guaranteeing that condensed water is suitable Benefit flows into liquid-collection bag or liquid-collecting bottle, excellent because the capacity of medical liquid collector or liquid-collecting bottle is usually 10~20 times of collecting bowl capacity Select 500~1000ml capacity, therefore using after this captation, medical staff's replacement catchment cup assembly frequency be only before 1/20~1/10, the replacement frequency can be greatly reduced, mitigate the workload of medical staff.

When the condensation water quantity for observing collection by liquid collector 24 reaches maximum capacity fastly, medical staff's demand is taken Under with the cup assembly that catchments, the cup assembly that catchments more renewed.Cup body 21 is set to be divided into upper and lower two by operating sealing mechanism at this time The space that layer is relatively isolated from, it is cold in liquid collector 24 since liquid collector 24 and diversion pipe 23 are located at 21 lower part of cup body Condensate is mothballed in 21 lower space of cup body hereinafter, do not overflow, that is, is realized before disassembling and catchmenting cup assembly 2, just real Condensed water is now realized into complete sealing.Later, next part water cup module 2 is dismantled, 1 sum aggregate water cup module 2 of Y-piece component is divided From as shown in Figure 3,4 respectively.Motion stops 16 are fallen under the effect of gravity at this time, the water stream channel that fixed 13 middle part of plug is opened up 15 closings, make Y-piece component side also realize closing.

So far, the present embodiment is also achieved when dismounting and change catchments cup assembly, and Y-piece component sum aggregate water cup module is simultaneously Closing, after replacing with the completely new cup assembly access Y-piece component that catchments, Y-piece component sum aggregate water cup module again can be such as Fig. 1 State realization be also turned on, realize replacement catchment cup assembly process safety it is pollution-free, avoid condensed water/germ from replacing The co-infected patients that overflow in journey and medical staff.

Further, the sealing mechanism that the present embodiment uses includes baffle 26, cover plate 27 and push rod 28；The baffle 26 is set It sets in cup body 21 and is bonded with 21 inner wall of cup body, 26 center of baffle offers the through-hole 261 passed through for apical axis 22；The through-hole 261 minimum-value aperture is greater than 15 lower diameter of water stream channel, and 261 shape of through-hole is circle, the minimum of through-hole 261 in the present embodiment Aperture is the diameter of through-hole, and in other embodiments, through-hole may be rectangular, triangle or other irregular shapes, only The minimum-value aperture for meeting through-hole 261 is greater than 15 lower diameter of water stream channel, and the condensation water energy flowed out by water stream channel 15 is smooth Enter cup body 21 across through-hole 261；The cover plate 27 is arranged in cup body 21；The push rod 28 is connect with cover plate 27, and It is radially movable to run through 21 wall of cup body；The cover plate 27, can be seamless applying with 22 periphery of apical axis under the progradation of push rod 28, and All standing is formed to the through-hole 261 of baffle 26 to block, and then cup body 21 is divided into the space that upper layer and lower layer are relatively isolated from.When So, those skilled in the art should know, cover plate 27 can not also be bonded setting with baffle 26, can have an intermediate configuration, As long as being able to achieve after pushing cover plate 27 by push rod 28, through-hole 261 can be formed and be blocked.

When normal collection condensed water, push rod 28 is in the state that pulls out, and guarantees cover plate 27 not to the through-hole 261 of baffle 26 Formation is blocked.Since the minimum-value aperture of through-hole 261 is greater than 15 lower diameter of water stream channel, condensed water can be made normally to flow into cup body 21 Interior, the cup assembly 2 that catchments, which is in, can normally collect condensation water state.

Replacement catchment cup assembly 2 when, press inward against push rod 28 first, move toward one another the cover plate connecting with push rod 27, until The interior annular of cover plate is bonded with 22 periphery of apical axis.Cover plate 27 is seamless applying with 22 periphery of apical axis under the progradation of push rod 28, And all standing is formed to the through-hole of baffle 26 261 and is blocked, and then cup body 21 is divided into the space that upper layer and lower layer are relatively isolated from, by It is located at 21 lower part of cup body in liquid collector 24 and diversion pipe 23, therefore the condensed water in liquid collector 24 is mothballed under cup body 21 Portion space is not hereinafter, overflow, and referring to fig. 2,4,5,6, realizes before disassembling and catchmenting cup assembly, just arrives condensation water collection The cup body space of 26 lower section of baffle.

It should be strongly noted that the present embodiment although only disclose one kind cup body can be divided into upper layer and lower layer it is opposite every The sealing mechanism in exhausted space, but those skilled in the art should know sealing mechanism may be other variants, such as may be used It is to be not required to be torsional spring plectrum arranged in cup body or the outer plectrum being arranged through cup body, diaphragm, outer spiral cover etc. The variant that can be obtained is made the creative labor, should all be included within the protection scope of the application.

In the present embodiment, cover plate 27 has two panels, and every is all in semi-circular shape, and every connect with a push rod 28, certainly, In other embodiments, cover plate 27 can have multi-disc, and the shape after multi-disc split can also be not limited to circular ring shape, as long as can push away Cooperation is blocked with lower seamless applying with 22 periphery of apical axis, and to the formation all standing of the through-hole of baffle 26 261.

In the present embodiment, 21 inner wall of upper cup body is provided with boss 211；The baffle 26 is set to cup by the boss 211 In body 21.The design of boss 211 facilitates installation of the baffle 26 in cup body 21.

In the present embodiment, it is equipped with pull ring 281 on the outside of push rod 28, medical staff is facilitated to push and pull the operation of push rod 28.

In the present embodiment, push rod 28 is arranged with one layer of waterproof grommet 3 at cup body wall, and such as Fig. 2, which can be kept away The condensed water for exempting from cup body 21 is overflowed by activity of the push rod 28 on cup body wall.Waterproof grommet 3 on the market mostly uses rubber Material is made, and has certain flexibility, when design, makes to form interference fit between push rod 28 and waterproof grommet 3, protect The process of card push-and-pull push rod 28 overcomes the frictional force between waterproof grommet 3 and push rod 28 to be not required to biggish dynamics, while again can Guarantee reliable sealing, under the elastic compression effect of waterproof grommet 3, can also be achieved the positioning of 28/ cover plate 27 of push rod.

In the present embodiment, 24 top of liquid collector is connected with hanging hole 5, facilitates the suspension of liquid collector 24 to any hook Place.

Embodiment two

Such as Fig. 7-8, the difference with embodiment one is, the present embodiment further includes cap 6；The cap 6 is connected to Cup body 21 is circumferential and specifically soft related can be connected to cup body lateral wall by one with the rim of a cup assembly connection of cup body.

After dismantling next part water cup module 2, cap 6 can be installed to the rim of a cup of cup body 21, such as Fig. 8 avoids remaining The germ that condensed water in 26/ cover plate of baffle, 27/ push rod, 28 upper surface includes infects medical staff, realizes to the cup assembly 2 that catchments Interior condensed water is fully sealed.

Embodiment three

Such as Fig. 9, the difference with embodiment one is, in the present embodiment, deflector hole 25 is provided with 21 bottom center of cup body, and 21 bottom of cup body is in the low structure of circumferential high central, which can be improved the ability that condensed water converges in diversion pipe 23, reduce Remaining quantity in 21 bottom of cup body.

Example IV

Such as Figure 10, the difference with embodiment one is, in the present embodiment, strainer is equipped between deflector hole 25 and diversion pipe 23 7.Strainer 7 can will part breathing residue and before germ be blocked in liquid collector 24, reduce subsequent processing liquid collector 24 and The harm of condensed water in it.Special diversion pipe 23 can be detachable connection with 21 bottom of cup body, and strainer 7 can be hot pressing Formula, and be arranged in diversion pipe 23 by other intermediate configurations, to regularly replace strainer.

Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be Various changes are made to it in form and in details, without departing from claims of the present invention limited range.

Claims (10)

1. a kind of breathing circuit Bidirectioning sealed captation, Y-piece component and collecting bowl group including removable cooperation Part；

The Y-piece component includes two airflow channels and a condensation channel；Catchment cup assembly and the condensation channel connection, it is described Condensation channel inner wall is equipped with fixed plug close to cup assembly side of catchmenting, far from cup assembly side of catchmenting equipped with retreat stop block；It is described solid Fixed plug middle part offers water stream channel；Motion stops are movably equipped between the retreat stop block and fixed plug；The motion stops and water flow The matching of channel-style face, can close water stream channel after falling under the effect of gravity, can lead to water flow under the effect of external jack-up It opens in road, it is characterised in that:

The cup assembly that catchments includes cup body, apical axis, diversion pipe, liquid collector and sealing mechanism；

The cup body and condensation channel are connected；The apical axis is vertically fixed on bottom of cup, and apical axis length meets in collecting bowl group Can jack up motion stops after part and the assembly of Y-piece component opens water stream channel；

The liquid collector is connected to bottom of cup by diversion pipe；The bottom of cup and diversion pipe junction offer water conservancy diversion Hole；The sealing mechanism is set to cup body circumferential direction, and cup body can be divided into the space that upper layer and lower layer are relatively isolated from.

2. breathing circuit according to claim 1 Bidirectioning sealed captation, it is characterised in that:

The sealing mechanism includes baffle, cover plate and push rod；

The baffle is arranged in cup body and is bonded with cup body inner wall, and baffle center offers the through-hole passed through for apical axis；It is described The minimum-value aperture of through-hole is greater than water stream channel lower diameter；

The cover plate is arranged in cup body；

The push rod is connect with cover plate, and radially movable through cup body wall；The cover plate, can be with top under the progradation of push rod Axis periphery is seamless applying, and forms all standing to the through-hole of baffle and block, and then cup body is divided into upper layer and lower layer and is relatively isolated from Space.

3. breathing circuit according to claim 2 Bidirectioning sealed captation, it is characterised in that: the cover plate is extremely Rare two panels, every connect with a push rod.

4. breathing circuit according to claim 2 Bidirectioning sealed captation, it is characterised in that: in the cup body Wall is provided with boss；The baffle is set in cup body by the boss.

5. breathing circuit according to claim 2 Bidirectioning sealed captation, it is characterised in that: the push rod passes through It wears and is arranged with one layer of waterproof grommet at cup body wall.

6. breathing circuit according to claim 1 Bidirectioning sealed captation, it is characterised in that: the deflector hole It is provided with bottom of cup center, and bottom of cup is in the low structure of circumferential high central.

7. breathing circuit according to claim 1 Bidirectioning sealed captation, it is characterised in that: the liquid collecting dress It is set to liquid-collection bag or liquid-collecting bottle；One-way exhaust valve is equipped on the diversion pipe or liquid collector.

8. breathing circuit according to claim 1 Bidirectioning sealed captation, it is characterised in that: the liquid collecting dress It sets top and is connected with hanging hole.

9. breathing circuit according to claim 1 Bidirectioning sealed captation, it is characterised in that: further include encapsulation Lid；The cap is connected to cup body circumferentially and can be with the rim of a cup assembly connection of cup body.

10. breathing circuit according to claim 1 Bidirectioning sealed captation, it is characterised in that: the water conservancy diversion Strainer is equipped between hole and diversion pipe.