CN209075666U - Fluid exchange pipe and pouch irrigation and drainage device - Google Patents

Abstract

The utility model relates to medical nursing instrument fields, more particularly to a kind of fluid exchange pipe and pouch irrigation and drainage device, pouch irrigation and drainage device includes fluid exchange pipe, fluid exchange pipe includes the tube body with multiple autonomous channels, part is drainage channel, another part is irrigation channel, each channel is parallel in the separation of one end of tube body, one end, the lattice for separating each channel is arranged in the parallel section of tube body, wire is embedded in lattice, wire is set as helical structure close to the opening of parallel section, is additionally provided with graduation mark along parallel section.Pouch irrigation and drainage device provided by the utility model has above-mentioned fluid exchange pipe, for drawing the hydrops in pacemaker pouch, facilitate flushing nursing pouch, come supplementary observation and can judge whether tube body shifts, deviates from or excessively protrude by wire and graduation mark.

Description

Fluid exchange pipe and pouch irrigation and drainage device

Technical field

The utility model relates to medical nursing instrument fields, rinse in particular to a kind of fluid exchange pipe and pouch Drainage device.

Background technique

In medical treatment, it is sometimes desirable to physically notch nurses liquid rinse to draw the intracorporal hydrops of body or introduce, Such as the nursing of pacemaker pouch subcutaneous for chest.

The installation site of pacemaker is on the right side of chest, between the pectoralis major depth fascia of front.Heart is placed to rise Fight the bag structure of device, will be formed after the artificial destruction of local organization by modus operandi, it is postoperative can be in pacemaker week Enclose to form the biggish surface of a wound, therefore will appear pouch hydrops, then be easy cause infection, influence wound healing, needed when serious by Pacemaker takes out.

For this problem, common method is under the skin of patient, the pre-buried drainage in the side of pacemaker Channel carries out extraction hydrops with syringe in the exposed junction of drainage channel, and this hydrops abstracting method is simple and easy to do, operation at This is lower, but exist in implementation process be difficult to judge drainage channel whether shift and drainage channel whether partially abjection or The problem of excessively protruding into, and be not easy to be rinsed nursing to pouch inside.

Utility model content

The utility model is intended to provide a kind of fluid exchange pipe, for drawing the intracorporal hydrops of body, and conveniently in body The hydrops space in portion is rinsed, and can be facilitated and be judged whether tube body shifts, deviates from or excessively protrude into.

The another object of the utility model is to provide a kind of pouch irrigation and drainage device for having aforesaid liquid exchange pipe, For drawing the hydrops in pacemaker pouch, and facilitate flushing nursing pouch, can facilitate judge whether tube body shifts, Abjection is excessively protruded into.

The embodiments of the present invention are achieved in that

The utility model embodiment provides a kind of fluid exchange pipe, including the tube body with multiple autonomous channels, Ge Getong The mutual not connection in road, each channel is parallel in the separation of one end of tube body, one end, and the parallel section setting of tube body is for separating point in each channel Every being embedded with wire in portion, lattice, wire is set as helical structure close to the opening of parallel section, also sets along parallel section It is equipped with graduation mark.

The tube body of this fluid exchange pipe have multiple independent channels, tube body include channel segregation section and channel it is parallel Section, segregation section are retained in outside, and each channel of segregation section is separately connected liquid introduction device and liquid ejector, and parallel section is used In in the hydrops space for protrude into body interior or in other sightless hydrops spaces of naked eyes, distinguished by different channels real The effect of hydrops and flushing is now drawn, a channel is can use in multiple autonomous channels and draws hydrops, utilize remaining channel Different liquid is introduced respectively to be rinsed, and realizes the dedicated effect in special channel, safety, health, conveniently.

Setting is embedded with the lattice of wire in the parallel section of this fluid exchange pipe, and is arranged outside parallel section and carves Spend line.When tube body is displaced, the built-in length of tube body is very likely changed correspondingly, and graduation mark is protruded into for supplementary observation tube body Length, whether the convenient tube body of confirmation at any time excessively protrude into or deviate from, in order to find tube body exception in time, and adjust in time, Avoid adverse consequences.

Wire can develop under x-ray bombardment, and here with wire as developing material, parallel section is protruded into vivo Afterwards, it can facilitate under x-ray bombardment and tube body is positioned, particularly, set wire to close to parallel section opening Helical structure, under X-ray, the sensation target of helical structure is bigger compared with straightway, convenient for positioning the end of parallel section.Also, The structure setting of helical structure significantly reduces tube body compared to the structure setting for directly increasing wire end area of section Parallel section weight, alleviate the burden of body, improve comfort.Meanwhile wire can enhance the intensity of tube body, subtract The probability of the small fracture of tube body when plugging and unplugging fluid exchange pipe, and reduce the intracorporal probability of indwelling after tube body fracture, improve safety Property.

In an embodiment of the present invention, further, each channel of tube body is respectively arranged with valve, and valve is set It is placed in segregation section.

In an embodiment of the present invention, further, for the side wall difference in each channel of the parallel section of tube body Be provided with side opening, the aperture of side opening be less than or equal to corresponding channel allow by object full-size.

In an embodiment of the present invention, further, the opening of the bore in each channel of tube body in parallel section Place reduces.

A kind of pouch irrigation and drainage device, above-mentioned fluid exchange pipe, tube body includes irrigation channel and drainage channel.

This pouch irrigation and drainage device has above-mentioned fluid exchange pipe, for drawing the product in pacemaker pouch Whether liquid facilitates flushing nursing pouch, can be shifted, be deviate from or excessively come auxiliary judgment tube body by wire and graduation mark It protrudes into.

In an embodiment of the present invention, further, the parallel section of tube body is arranged with elastic collar, resilient sleeve Ring is externally connected to silica gel piece, the adhesive-layer that is on one side provided with for be bonded skin of the silica gel piece towards parallel section.

In an embodiment of the present invention, further, thickening layer is arranged in the parallel section outer wall of tube body, makes tube body Cross section be gradually reduced from centre to both sides, and the parallel outer shape of section is adapted to the notch of body.

In an embodiment of the present invention, further, irrigation channel is connected with for accommodating flushing liquid Flusher, drainage channel connect the negative pressure device for sucking pouch hydrops.

In an embodiment of the present invention, further, the opening of the segregation section of irrigation channel, which is provided with, to be used for The connecting tube of the hard of infusion pipeline is connected, connection pipe end is arranged to tip.

In an embodiment of the present invention, further, pouch irrigation and drainage device further includes closing cover and envelope Occlusion, connecting tube are threadedly engaged with closing cover, and segregation section opening and the closing cock of drainage channel are interference fitted.

The beneficial effects of the utility model include:

The tube body of fluid exchange pipe provided by the utility model has multiple independent channels, and tube body includes the separation in channel The parallel section of section and channel, segregation section are retained in outside, and each channel of segregation section is separately connected liquid introduction device and liquid draws Device out, parallel section be used to protrude into the hydrops space of body interior or other sightless hydrops spaces of naked eyes in, by not The effect for drawing hydrops and flushing is realized in same channel respectively, be can use a channel in multiple autonomous channels and is drawn hydrops, Different liquid is introduced respectively using remaining channel to be rinsed, and realizes the dedicated effect in special channel, safety, health, conveniently.

Setting is embedded with the lattice of wire in the parallel section of this fluid exchange pipe, and is arranged outside parallel section and carves Spend line.It is used cooperatively by graduation mark and wire, tube body can be positioned and be observed, facilitated and judge whether tube body moves Position, abjection are excessively protruded into.

When tube body is displaced, the built-in length of tube body is very likely changed correspondingly, and graduation mark is used for supplementary observation tube body Whether the length protruded into, the convenient tube body of confirmation at any time excessively protrude into or deviate from, in order to find tube body exception in time, and adjust in time It is whole, avoid adverse consequences.

Wire can develop under x-ray bombardment, and here with wire as developing material, parallel section is protruded into vivo Afterwards, it can facilitate under x-ray bombardment and tube body is positioned, particularly, set wire to close to parallel section opening Helical structure, under X-ray, the sensation target of helical structure is bigger compared with straightway, stretches convenient for positioning the end determination of parallel section Enter position.Also, the structure setting of helical structure, compared to the structure setting for directly increasing wire end area of section, greatly The weight for alleviating the parallel section of tube body greatly, alleviates the burden of body, improves comfort.Meanwhile wire can enhance The intensity of tube body, indwelling is intracorporal several after reducing the probability of tube body fracture when plugging and unplugging fluid exchange pipe, and reduction tube body fracture Rate improves safety.And helical structure can also can combine more closely with lattice, it is not easy to be open from parallel section Place destroys lattice and stretches out, highly-safe.

Pouch irrigation and drainage device provided by the utility model has above-mentioned fluid exchange pipe, for drawing cardiac pacing Hydrops in device pouch facilitates flushing nursing pouch, come supplementary observation and can judge tube body by wire and graduation mark Whether shift, deviate from or excessively protrudes into.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of pouch irrigation and drainage device provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of fluid exchange pipe provided by the embodiment of the utility model；

Fig. 3 is the structural schematic diagram that the parallel section of fluid exchange pipe provided by the embodiment of the utility model is open；

Fig. 4 is the A-A sectional view in Fig. 2；

Fig. 5 is the part B enlarged drawing in Fig. 2.

Icon: 000- pacemaker；100- fluid exchange pipe；110- irrigation channel；120- drainage channel；130- lattice； 200- flusher；300- negative pressure device；400- wire；500- side opening；600- graduation mark；700- flushing valve；800- drainage Valve；900- connecting tube.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore should not be understood as limiting the present invention.If in addition, occurring in the description of the utility model Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

If being not offered as requiring component in addition, occurring the terms such as term "horizontal", "vertical" in the description of the utility model Abswolute level or pendency, but can be slightly tilted.If "horizontal" only refers to that its direction is more horizontal with respect to for "vertical", It is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

Embodiment

The present embodiment provides a kind of pouch irrigation and drainage devices, the hydrops in pouch for drawing pacemaker 000, And facilitate flushing nursing pouch, it can facilitate and judge whether tube body shifts, deviates from or excessively protrude into.

Attached drawing 1 is please referred to, which includes flusher 200, negative pressure device 300 and fluid exchange pipe 100, hydrops space is rinsed for drawing hydrops, and conveniently.

Flusher 200 includes the bottle body or bag body for containing liquid in the present embodiment, and bottle body or bag body are placed in eminence, thus It is rinsed to the pouch of lower conveying physiological saline；Or flusher 200 includes that other can convey liquid into pouch Device.

Negative pressure device 300 can generate certain negative pressure, such as negative pressure drainage bag or negative pressure drainage ball etc. in the present embodiment.It compares In commonly used in the prior art in such a way that syringe aspirates hydrops manually, negative pressure device 300 can constantly be inhaled after opening Internal liquid is received, makes to keep the state without hydrops in pouch, reduces the risk of infection.

Attached drawing 1 and attached drawing 2 are please referred to, there are two independent channel, two channels for the tube body tool of aforesaid liquid exchange pipe 100 Mutually not connection, is drainage channel 120 and irrigation channel 110 respectively, and drainage channel 120 and irrigation channel 110 separate at one end, one End is parallel, and the lattice 130 for separating drainage channel 120 and irrigation channel 110, fluid exchange pipe is arranged in the parallel section of tube body 100 tube body is totally Y-shaped.

Wherein parallel section enters inside pouch for percutaneous notch, segregation section indwelling outside body, pass through by Drainage channel 120 and irrigation channel 110 are set as the parallel structure in one end, reduce the step of being inserted into tube body to pouch, save Operating procedure, accelerates operating efficiency, reduces the risk of indwelling operation, alleviates the pain of patient.

Drainage channel 120 and irrigation channel 110 can specially channel it is dedicated, drainage channel 120 is rushed for siphoning away internal hydrops It washes channel 110 to be used to introduce cleaning liquid, compared to the prior art the irrigation and drainage mode of middle single channel, this fluid exchange pipe 100 is more hygienic.And single channel, since hydrops can not be sucked out in time, is also easy to cause to draw when rinsing in the prior art 120 inner part drainage-fluid reflux of circulation road, increases infection risk, this fluid exchange pipe 100 can also siphon away while rinsing Liquid, infection risk is small, highly-safe.

Cooperated by flusher 200, negative pressure device 300, drainage channel 120 and irrigation channel 110, can also control capsule The amount of bag interior flushing liquid, is conducive to nurse pouch using some liquid for needing to infiltrate the surface of a wound.

Attached drawing 2 is please referred to, embedded with metal silk 400 in lattice 130, wire 400 is set in the opening close to parallel section It is set to helical structure.Wire 400 can enhance the structural strength and toughness of tube body, even damage in the parallel section of tube body In the case of wound, tube body can also be extracted, reduce the probability of tube body fracture when plugging and unplugging fluid exchange pipe 100, and reduced tube body and break The intracorporal probability of rear indwelling is split, safety is improved.

Above-mentioned wire 400 can develop under x-ray bombardment, be used as developing material here with wire 400, and After row section protrudes into vivo, it can facilitate under x-ray bombardment and tube body is positioned, particularly, by wire 400 close to parallel Section opening is set as helical structure, and under X-ray, the sensation target of helical structure is bigger compared with straightway, parallel convenient for positioning Position is protruded into the end determination of section.Also, the structure setting of helical structure, compared to directly increase 400 end section of wire The structure setting of area alleviates the weight of the parallel section of tube body, tube body is facilitated to move inside pouch, and the inside of human body Tissue is extremely fragile, and the mitigation of weight can mitigate the burden of body significantly, improves comfortableness and security.And helical structure It can combine more closely with lattice 130, it is not easy to destroy lattice 130 from parallel section opening and stretch out, safety It is high.

Attached drawing 1, attached drawing 2 and attached drawing 5 are please referred to, graduation mark 600 is set outside parallel section.When tube body is displaced, tube body Built-in length very likely change correspondingly, graduation mark 600 is used for the length that protrudes into of supplementary observation tube body, convenient confirmation pipe at any time Whether body excessively protrudes into or deviates from, and in order to find tube body exception in time, and adjusts in time, avoids adverse consequences.

This pouch irrigation and drainage device positions fluid exchange pipe 100 by graduation mark 600 and the cooperation of wire 400 And observation, facilitate and judge whether tube body shifts, deviates from or excessively protrude into, in order to adjust tube body in time, after reduction induction is bad The probability of fruit.

Attached drawing 3 and attached drawing 4 are please referred to, lattice 130 increases in the section of the opening close to parallel section, makes drainage channel 120 and bore of the irrigation channel 110 at this reduce.So, it is possible can be suitable by the drain that parallel section opening enters Benefit is prevented and 110 intracavity diameter phase of drainage channel 120 or irrigation channel by the inner cavity of drainage channel 120 or irrigation channel 110 Close drain blocks inner cavity.The section increase portion of the lattice 130 also can be suitable with the spire of wire 400 well simultaneously Match.

Attached drawing 1, attached drawing 2 and attached drawing 5 are please referred to, the side wall of drainage channel 120 and irrigation channel 110 is set respectively at parallel section It is equipped with side opening 500, side opening 500 is set to parallel section, and for side opening 500 close to the position that parallel section is open, the quantity of side opening 500 can be with It is multiple to be arranged along parallel section, the aperture of side opening 500 be less than or equal to corresponding channel allow by object full-size. The side opening 500 can reduce the risk of channel failure, the limitation in aperture can be avoided drainage object when parallel section is open and blocks Reduce the risk of channel blockage.

Please refer to attached drawing 3 and attached drawing 4, thickening layer is arranged in parallel section outer wall, make the cross section of tube body from centre to both sides by It is decrescence small, and the parallel outer shape of section is adapted to the notch of body.

Attached drawing 4 is please referred to, after thickening layer is arranged in parallel section, the outer shape of parallel section is in shuttle shape, the outer shape of shuttle shape It can coincide with distracted skin incision, the gap of skin incision and parallel section reduces, and skin incisions sealing is more preferable, it is not easy to from Incision liquid body exudate reduces the risk that extraneous bacterium enters pouch, reduces the probability of pollution external environment, promoted using comfortable Sense.

In addition, being easy to export bearing in skin, being fixed suture and press off, lead since common tube body support strength is poor Channel blockage is caused, after thickened section is arranged in parallel section, the structural support intensity of tube body can be increased, resist channel deformation, reduced The risk of channel blockage.

In order to reduce the weight of tube body, the thickened section of parallel section can also be only arranged at parallel section at segregation section, i.e., The contact site of parallel section and skin incision.

In order to facilitate fixed fluid exchange pipe 100, the parallel section of tube body is arranged with elastic collar, and the outside of elastic collar connects It is connected to silica gel piece, the adhesive-layer that is on one side provided with for be bonded skin of the silica gel piece towards parallel section.The elastic collar can be bound round Tightly in parallel section, additionally it is possible to moved in parallel section, to facilitate the built-in length for adapting to parallel section, make silica gel piece just with cut Skin attachement around mouthful is fixed, thus the parallel section of effectively fixed tube body, reduce parallel section displacement, protrude into or deviate from can Energy.

Above-mentioned elastic collar and above-mentioned thickened section can be combined with being integrated, i.e. the thickened section elasticity that is set as shuttle shape Lantern ring, and separated with parallel section, external connection has the silica gel piece of adhesive-layer.Thickened section can be moved along parallel section, thus with Skin incision adaptation, also can be such that silica gel piece fixes with the skin attachement around notch.

Attached drawing 1 and attached drawing 2 are please referred to, the drainage channel 120 of segregation section connects negative pressure device 300, and irrigation channel 110 connects Flusher 200 regulates and controls the opening and closing in each channel for convenience, and drainage channel 120 is provided with drain valve 800, and irrigation channel 110 is set It is equipped with flushing valve 700.

Attached drawing 2 is please referred to, connects common infusion pipeline or infusion bottle for convenience, the segregation section of irrigation channel 110 is opened Mouth is provided with the connecting tube 900 of the hard for connecting infusion pipeline, and 900 end of connecting tube is arranged to tip, has cuspidated Connecting tube 900 can facilitate insertion infusion pipeline or puncture the rubber stopper of infusion bottle, be easy to use, avoid using other utensils Opening causes internal liquid to pollute.

Further, pouch irrigation and drainage device further includes closing cover and closing cock, for keeping channel when unused Internal clean, connecting tube 900 is threadedly engaged with closing cover, and segregation section opening and the closing cock of drainage channel 120 are interference fitted.

In addition, it is necessary to explanation, the quantity in the channel of this fluid exchange pipe 100 can be not limited to two, channel Quantity can also be to be multiple, and one of channel is used to siphon away the hydrops in pouch, and rest channels are for inputting different nursing Liquid；Alternatively, some of channels are used to input different conditioning liquids, facilitate and apply different drug-treateds into pouch, it is another A little channels are used to siphon away the hydrops in pouch, can accelerate the speed of hydrops cleaning in special circumstances.

The utility model does not carry out the type model of the flusher 200 of pouch irrigation and drainage device, negative pressure device 300 It limits, also specific material, the size of fluid exchange pipe 100 is not defined.In the present embodiment, flusher 200 is using life Saline bottle is managed, negative pressure device 300 uses negative pressure drainage vessel, and fluid exchange pipe 100 uses silica gel material, and size includes the following:

The total length of fluid exchange pipe 100 is 600mm, wherein parallel segment length 60mm, separates segment length 540mm.Parallel Section internal diameter is 5mm, lattice 130 with a thickness of 2mm, lattice 130 close to the section increase portion of parallel section opening with a thickness of 4mm.Attached drawing 4 is please referred to, parallel section intracavity section is rounded, and lattice 130 separates drainage channel 120 and irrigation channel 110 For two semicircular channels.

Side opening 500 is set in the range of parallel section opening and its 50mm closed on.

The diameter of wire 400 is 0.5mm, and wire 400 and parallel section are isometric, close to the end of parallel section opening 3mm is set as the helical structure structure of diameter 2mm.

Steps are as follows for the use of this pouch irrigation and drainage device:

S1. it performs the operation to form the placement pouch of pacemaker 000 according to routine operation.

S2. the parallel section of fluid exchange pipe 100 is arc-shaped is placed on pouch bosom, the i.e. bottom margin of pacemaker 000.

S3. pacemaker 000 is placed in pouch, and sewed up the incision.Ring sleeve is placed in outside pouch, and silica gel piece fits in The reading of graduation mark 600 that parallel section exposes position is observed and recorded to skin surface.

S4. confirm that drain valve 800 and flushing valve 700 are in close state, and remove closing cover and closing cock, drainage channel 120 connection negative pressure drainage balls, irrigation channel 110 connect normal saline bottle.

S5. it is opened and closed two valves as needed, is rinsed and drains.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of fluid exchange pipe, it is characterised in that: including the tube body with multiple autonomous channels, the mutual not connection in each channel, Each channel is parallel in the separation of one end of the tube body, one end, and the separation for separating each channel is arranged in the parallel section of the tube body Portion is embedded with wire in the lattice, and the wire is set as helical structure, edge close to the opening of the parallel section The parallel section is additionally provided with graduation mark.

2. fluid exchange pipe according to claim 1, it is characterised in that: each channel of the tube body is respectively arranged with valve Door, the valve are set to segregation section.

3. fluid exchange pipe according to claim 1, it is characterised in that: the side wall in each channel of the parallel section of tube body point Be not provided with side opening, the aperture of the side opening be less than or equal to corresponding channel allow by object full-size.

4. fluid exchange pipe according to claim 1, it is characterised in that: the bore in each channel of the tube body it is described simultaneously The opening of row section reduces.

5. a kind of pouch irrigation and drainage device, it is characterised in that: including the described in any item fluid exchange pipes of claim 1-4, The tube body includes irrigation channel and drainage channel.

6. according to the pouch irrigation and drainage device described in claim 5, it is characterised in that: the parallel section of the tube body is arranged flexible Lantern ring, the elastic collar are externally connected to silica gel piece, and the silica gel piece is used for towards being provided on one side for parallel section It is bonded the adhesive-layer of skin.

7. pouch irrigation and drainage device according to claim 5, it is characterised in that: the parallel section outer wall of the tube body is arranged Thickening layer is gradually reduced the cross section of the tube body from centre to both sides, and the outer shape of the parallel section and body Notch adaptation.

8. pouch irrigation and drainage device according to claim 5, it is characterised in that: the irrigation channel is connected with for holding Receive the flusher of flushing liquid, the drainage channel connects the negative pressure device for sucking pouch hydrops.

9. pouch irrigation and drainage device according to claim 5, it is characterised in that: the segregation section of the irrigation channel is opened Mouth is provided with the connecting tube of the hard for connecting infusion pipeline, and the connection pipe end is arranged to tip.

10. pouch irrigation and drainage device according to claim 9, it is characterised in that: further include closing cover and closing cock, institute It states connecting tube to be threadedly engaged with the closing cover, segregation section opening and the closing cock of the drainage channel are interference fitted.