CN103638591B - Medical closed-type through-anus intestinal anastomotic stoma leak detector - Google Patents
Medical closed-type through-anus intestinal anastomotic stoma leak detector Download PDFInfo
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- CN103638591B CN103638591B CN201310692210.7A CN201310692210A CN103638591B CN 103638591 B CN103638591 B CN 103638591B CN 201310692210 A CN201310692210 A CN 201310692210A CN 103638591 B CN103638591 B CN 103638591B
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Abstract
The invention relates to a medical closed-type through-anus intestinal anastomotic stoma leak detector. The leak detector comprises a tube and an air injection device, wherein the tube is provided with an air storage space; the air injection device is used for pushing air in the air storage space into an intestinal cavity; and a rubber plug in a circular truncated cone shape is arranged at an air outlet end of the tube, can be partially inserted into an anus, and is closely contacted with the anus and made of soft and elastic silica gel, so that the condition of air feed while leakage in an air feed process can be avoided, and the accurate quantity of air entering an intestinal tract and the constant intestinal cavity pressure can be guaranteed. In a leak detection process, the intestinal cavity can be kept expanding, so that the leak detection accuracy can be guaranteed, and the leak detector has higher practical values. In addition, the medical closed-type through-anus intestinal anastomotic stoma leak detector is simple in structure, ingenious in design, easy and simple to operate and capable of increasing the detection accuracy substantially.
Description
Technical field
The present invention relates to field of medical device, especially relate to the medical closed formula per anum intestinal anastomotic stoma leak detector that a kind of colorectal anastomosis or anal canal Colonic anastomosis are used.
Background technology
In Colon and rectum surgical operation, often utilize anastomat per anum to coincide to distance end intestinal tube, need after coincideing to test identical seriality and integrity.Way general at present first clamps anastomotic stoma near-end intestinal tube, then pour water at intraperitoneal the stoma site flooding intestinal tube, coordinate medical anal tube (or directly using syringe) from anus to enteral gas injection with a syringe again, whether have bubble spilling to judge whether anastomotic stoma has leak by observing anastomotic stoma from intraperitoneal.If there is leak, need to adopt remedial measures or again process.But, when patient carries out Colon and rectum surgical operation, its anal sphincter is in relaxed state due to the reason of anesthesia, be difficult to coincide with syringe outlet side or medical anal tube, in the process of gas injection, have limit leading edge gas leak phenomenon, then easily occur enteric cavity under-inflation, the swollen degree that rises cannot measure invisible anastomotic stoma leak not, or the situation that hyperinflation causes anastomotic stoma to be torn, poor effect of leaking hunting.Leak hunting for the anastomotic stoma of Rectal Cancer radical operation especially, difficulty is very large.
Summary of the invention
The object of the present invention is to provide a kind of medical closed formula per anum intestinal anastomotic stoma leak detector being mainly used in guaranteeing intestinal distension and constant pressure in leaking hunting.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of medical closed formula per anum intestinal anastomotic stoma leak detector, it comprises: the body of a hollow, its inner chamber is formed with a gas storage space, the first end of described body is provided with gas outlet, gas outlet is provided with and forbids that extraneous gas enters the check valve of gas storage space by gas outlet; One to be arranged on the first end of described body outer and around the plug of described gas outlet, its by softness and there is elastic silica gel make, described plug is round table-like, diameter when its front plan external diameter is less than slack anus, diameter when tail end plane external diameter is greater than slack anus; And the gas injection device that is arranged on described body second end, for the gas in gas storage space is discharged by gas outlet.
In a preferred embodiment, described body is provided with the air inlet pipe that can be communicated with gas storage space and the body external space on the lateral wall of first end, and described air inlet pipe is provided with switch.
In a preferred embodiment, described plug lateral wall is formed with the suitable wedge shape convex ridge of gluteal fold shape at one and crissum place, described convex ridge from described plug tail end before described plug extreme direction to extend and in the direction in which in decline state, and convex ridge 21 has a predeterminable range away from one end of plug tail end from the front end of plug.
In a preferred embodiment, second end of described body is formed with spacing hole, described gas injection device comprises one through the push rod in described spacing hole insertion body, the body one end that is positioned at of described push rod connects the piston that a periphery is close to described tube cavity sidewall, and one end be positioned at outside body of described push rod connects a convenient handle gripped.
In a preferred embodiment, described medical closed formula per anum intestinal anastomotic stoma leak detector also comprises a conduit stretched out from described gas outlet periphery, described conduit extends and projects to the outside of plug front plan, and described check valve is arranged in described conduit.
In a preferred embodiment, described medical closed formula per anum intestinal anastomotic stoma leak detector also comprises a pressure sensitive and display device, the pressure transducer of described pressure sensitive and display device is arranged on the outer wall of described conduit, its display is arranged on described tube wall, is close to tube wall and extends after both the circuit junction through plug or plug and body.
In a preferred embodiment, described pressure sensitive and display device transparent encapsulation material is encapsulated in body and conduit exposes in the part of plug, and with body with conduit outer wall is round and smooth is connected.
In another embodiment, described medical closed formula per anum intestinal anastomotic stoma leak detector also comprises one and is arranged on pressure sensitive on the outer wall of described conduit and display device, described pressure sensitive and display device have an airway, this airway extends along conduit outer wall, be close to described conduit outer wall after junction through plug or plug and body to extend, can measure to make described pressure sensitive and display device the external pressure communicated with airway.
The beneficial effect of medical closed formula per anum intestinal anastomotic stoma leak detector of the present invention is: gas outlet arranges check valve, gas outlet periphery arrange round table-like, can partial insertion anus and with the plug of anus close contact, thus can guarantee in the process of air inlet, there will not be limit air inlet to become the situation of gas leakage, can guarantee that enteric cavity is in swelling state and constant pressure.Can intestinal distension be kept in the process of leaking hunting, guarantee the accuracy rate of leaking hunting, there is stronger practical value.In addition, this medical closed formula per anum intestinal anastomotic stoma leak detector structure is simple, designs ingenious, easy and simple to handle, can increase substantially Detection accuracy.
Accompanying drawing explanation
Fig. 1 is the cross section view of medical closed per anum intestinal anastomotic stoma leak detector in an embodiment.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, medical closed formula per anum intestinal anastomotic stoma leak detector of the present invention is described in further detail.
A kind of medical closed formula per anum intestinal anastomotic stoma leak detector, after it is mainly used in having performed the operation to colorectal anastomosis or anal canal Colonic anastomosis, leak whether is had to detect to anastomotic stoma immediately, therefore can affirm, each parts of this leak detector all adopt environment-friendly silica gel and need carry out human detection again through sterilization.
Refer to Fig. 1, this medical closed formula per anum intestinal anastomotic stoma leak detector comprise a hollow body 10, be arranged on the plug 20 of body first end 11 and be arranged on the gas injection device 60 of body 10 second end 13.
Body 10 is in cylindric, and make for rigid material, its inner chamber is formed with airtight (non-gas injection and air-suction state under) gas storage space 12, the first end 11 of body 10 is provided with gas outlet, gas outlet is provided with and forbids that extraneous gas enters the check valve 50 of gas storage space by this gas outlet, also namely, gas outlet only allows gas to go out, and does not allow gas to enter in body.
It is peripheral and around gas outlet that plug 20 is arranged on the end of body 10 first end 11, its by softness and there is elastic silica gel make, diameter when its front plan external diameter is less than slack anus, diameter when tail end plane external diameter is greater than slack anus.So, the first end of body 10 can be aimed at patient's anus in using, and make the front end of plug enter anus, in the process of pressurizeing gradually, stop when the lateral wall of plug 20 slides to and matches with diameter maximum during slack anus, now, plug 30 is in part outside anus just can complete airtight crissum, ensures the seal in gas replenishment process.Needs special instruction, plug 20 lateral wall is formed with the suitable wedge shape convex ridge 21 of gluteal fold shape at one and crissum place.Convex ridge 21 from plug tail end before plug extreme direction to extend and in the direction in which in decline state, and convex ridge 21 has a predeterminable range away from one end of plug tail end from the front end of plug, this predeterminable range make when the front end of plug 20 enter anus and airtight crissum time, it is outer and coincide with gluteal fold that convex ridge is positioned at anus.Because this convex ridge 21 and the gluteal fold shape near crissum are suitable for mutually, when human body can be prevented to be in calculi position, gas outwards leaks gas from gluteal fold.Plug 20 is mainly used in sealing crissum, and to prevent from occurring the situation that inflation limit, limit leak gas in the process detected, thus the accuracy that impact detects, and the silica gel of softness is easier and anorectal region epithelium or mucosa are fitted and ensure that seal.
In addition, also to stretch out a conduit 30, and this conduit 30 projects to the outside of cushion rubber 20 from body 10 first end 11 gas outlet periphery, in use, this conduit 30 can be inserted in enteric cavity by anal orifice, and guiding gas directly enters enteric cavity.Check valve 50 can be arranged on the inside of conduit 30, also can be arranged on gas outlet place, and it can open voluntarily under the percussion of air pressure.
Body 10 is provided with one on the lateral wall of first end 11 can be communicated with gas storage space 12 and the air inlet pipe 70 of the body external space, and this air inlet pipe 70 is provided with switch 71.So, in operation process, when needing the enteric cavity capacity of inflation to exceed the maximum air capacity of medical closed formula per anum intestinal anastomotic stoma leak detector, switch 71 can be opened to make-up gas in body.In other embodiments, switch 71 also can be the check valve can opened voluntarily under a certain pressure.
In the present embodiment, second end 13 of body 10 is formed with spacing hole, gas injection device 60 comprises one through the push rod 62 in this spacing hole insertion body 10, one end being positioned at body 10 of this push rod 62 is connected with the piston 63 that a periphery is close to body 10 intracavity sidewall, and one end be positioned at outside body 10 of push rod 62 is connected with a convenient handle 61 gripped.Understandable, piston and inboard wall of tube body are for being tightly connected, push rod 62 is promoted, to make piston 63 promote towards the first end 11 of body 10 by handle 61, not only can change the volume size of gas storage space 12, and the air of gas storage space 12 inside can be made to flow towards conduit 30, impact check valve 50 and make it automatically open, and then the air of gas storage space 12 inside is released via conduit 30.In other embodiments, manual gas injection ball or gas injection cylinder or foot pedal can be adopted to add air bag and to replace gas injection device.
This leak detector also comprises a pressure sensitive and display device 40, and this pressure sensitive and display device 40 mainly comprise one for the pressure transducer 41 of gas pressure in Real-Time Monitoring enteric cavity and one for showing the display 42 of the gas pressure information that pressure transducer 41 collects in real time.For ease of directly gathering the gas pressure in enteric cavity, the outer wall that in the present embodiment, pressure transducer 41 is arranged on conduit 60 being arranged near conduit 60 end, makes it cannot accurately measure enteric cavity internal gas pressure to prevent enteric cavity compressive pressure sensor 41.Display 42 is arranged on the outer wall of body 10, is close to body 10 outer wall and extends after both the circuit junction through plug 20 or plug 20 and body 10.Need to illustrate, for preventing patient's mucosa or epithelial damage, pressure sensitive and display device 40 transparent material are encapsulated on body 10 and conduit 30, and with body 10 with conduit 30 outer wall is round and smooth is connected.Doctor judges the degree of inflation of enteric cavity by the gas pressure information that display 42 shows, thus can stop inflation when enteric cavity reaches certain degrees of expansion.This display 42 can be numerical monitor or spring tabular form etc.
In other embodiments, the pressure transducer of pressure sensitive and display device and display can all be arranged on the outer wall of body, one airway extends from catheter tip always, be close to tube wall after junction through plug or plug and body and extend to pressure transducer, so that (being also the outside of airway end) air in enteric cavity is guided to pressure transducer, pressure transducer is enable to detect intestinal cavity pressure.
Before actual use, first this leak detector need be carried out disinfection, to be sterilized complete after, first pull handle towards body outside direction, the switch opens in air inlet pipe, extraneous air enters tubular body, when piston approaches to the second end of body, draw gas injection device outside stopping, closing switch in air inlet pipe, in gas storage space, sealed storage has air substantially.
After Surgical healing has been performed the operation, the tail end of first hand steered body makes a part for conduit and plug enter in enteric cavity via anus, to plug completely and anal canal or rectum fit, convex ridge on plug is trapped in gluteal fold place, and compress, then promoting handle gently injects in enteric cavity by check valve through conduit by the gas in body, along with the continuous injection of air, the force value of the display display of pressure sensitive and display device constantly increases, when increasing to a preset value, show that enteric cavity fully expands, then stop promoting handle, supravasal check valve is closed immediately, thus stop to gas injection in enteric cavity.Closed by folder at anastomotic stoma near-end intestinal tube, whether anastomotic stoma is distilled water or normal saline when flooding, have bubble to produce judge whether to there is leak by anastomotic stoma place.After inspection, loosen medical closed formula per anum intestinal anastomotic stoma leak detector and take off, gas in intestinal is discharged.
To sum up, medical closed formula per anum intestinal anastomotic stoma leak detector of the present invention arranges check valve on gas outlet, gas outlet periphery arrange round table-like, can partial insertion anus and with the plug of anus close contact, thus can guarantee in the process of gas injection, there will not be limit air inlet to become the situation of gas leakage, can guarantee that intestinal is in swelling state and constant pressure.Can intestinal distension be kept in the process of leaking hunting, guarantee the accuracy rate of leaking hunting, there is stronger practical value.In addition, this medical closed formula per anum intestinal anastomotic stoma leak detector structure is simple, designs ingenious, easy and simple to handle, can increase substantially Detection accuracy.
Although the description of this invention carries out in conjunction with above specific embodiment, those skilled in the art can carry out many replacements, modifications and variations, be apparent according to above-mentioned content.Therefore, all like this substitute, improve and change be all included in the spirit and scope of attached claim.
Claims (8)
1. a medical closed formula per anum intestinal anastomotic stoma leak detector, it is characterized in that, it comprises:
The body of one hollow, its inner chamber is formed with a gas storage space, and the first end of described body is provided with gas outlet, gas outlet is provided with and forbids that extraneous gas enters the check valve of gas storage space by gas outlet;
One to be arranged on the first end of described body outer and around the plug of described gas outlet, its by softness and there is elastic silica gel make, described plug is round table-like, diameter when its front plan external diameter is less than slack anus, diameter when tail end plane external diameter is greater than slack anus; And
One gas injection device being arranged on described body second end, for discharging the gas in gas storage space by gas outlet.
2. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 1, is characterized in that: described body is provided with the air inlet pipe that can be communicated with gas storage space and the body external space on the lateral wall of first end, and described air inlet pipe is provided with switch.
3. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 1, it is characterized in that: the suitable wedge shape convex ridge of gluteal fold shape described plug lateral wall being formed with one and crissum place, described convex ridge from described plug tail end before described plug extreme direction to extend and in the direction in which in decline state, and convex ridge has a predeterminable range away from one end of plug tail end from the front end of plug.
4. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 1, it is characterized in that: the second end of described body is formed with spacing hole, described gas injection device comprises one through the push rod in described spacing hole insertion body, the body one end that is positioned at of described push rod connects the piston that a periphery is close to described tube cavity sidewall, and one end be positioned at outside body of described push rod connects a convenient handle gripped.
5. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 1, it is characterized in that: also comprise a conduit stretched out from described gas outlet periphery, described conduit extends and projects to the outside of plug front plan, and described check valve is arranged in described conduit.
6. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 5, it is characterized in that: also comprise a pressure sensitive and display device, the pressure transducer of described pressure sensitive and display device is arranged on the outer wall of described conduit, its display is arranged on described tube wall, is close to tube wall and extends after both the circuit junction through plug or plug and body.
7. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 6, is characterized in that: described pressure sensitive and display device transparent encapsulation material is encapsulated in body and conduit exposes in the part of plug, and with body with conduit outer wall is round and smooth is connected.
8. medical closed formula per anum intestinal anastomotic stoma leak detector as claimed in claim 5, it is characterized in that: also comprise one and be arranged on pressure sensitive on the outer wall of described conduit and display device, described pressure sensitive and display device have an airway, this airway extends along conduit outer wall, be close to described conduit outer wall after junction through plug or plug and body to extend, can measure to make described pressure sensitive and display device the external pressure communicated with airway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692210.7A CN103638591B (en) | 2013-12-17 | 2013-12-17 | Medical closed-type through-anus intestinal anastomotic stoma leak detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310692210.7A CN103638591B (en) | 2013-12-17 | 2013-12-17 | Medical closed-type through-anus intestinal anastomotic stoma leak detector |
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| CN103638591A CN103638591A (en) | 2014-03-19 |
| CN103638591B true CN103638591B (en) | 2015-06-17 |
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| CN104720757A (en) * | 2015-04-03 | 2015-06-24 | 中国人民解放军第三军医大学第一附属医院 | Leakage detecting device for digestive tract anastomotic stoma and leakage detecting method thereof |
| CN109464124A (en) * | 2018-12-17 | 2019-03-15 | 博罗县妇幼保健计划生育服务中心 | It is a kind of for detecting the simple detection device of ewborn infant esophago-tracheal fistula |
| CN112843444B (en) * | 2020-09-24 | 2022-06-28 | 川北医学院附属医院 | Anorectal administration device |
| CN113101500B (en) * | 2021-04-30 | 2022-10-21 | 中国人民解放军陆军军医大学第一附属医院 | Controllable rectal cancer postoperative pressure release pipe |
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| CN202052141U (en) * | 2011-04-25 | 2011-11-30 | 张传霞 | Simple transfusion pressurizing device |
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| CN203591517U (en) * | 2013-12-17 | 2014-05-14 | 邓俊晖 | Medical sealed transanal intestine anastomosis leakage tester |
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| US20050059992A1 (en) * | 2003-09-17 | 2005-03-17 | Leiboff Arnold R. | Air introduction device for anastomotic leak testing |
| WO2012126744A1 (en) * | 2011-03-18 | 2012-09-27 | Gambro Lundia Ab | Infusion system and method of integrity testing and leak detection |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8216159B1 (en) * | 2007-10-08 | 2012-07-10 | Tools For Surgery, Llc | Anastomosis leak testing apparatus and methods |
| CN201727794U (en) * | 2010-07-30 | 2011-02-02 | 朱慧 | Rapid infusion pressurizer |
| CN202052141U (en) * | 2011-04-25 | 2011-11-30 | 张传霞 | Simple transfusion pressurizing device |
| CN203169152U (en) * | 2013-04-22 | 2013-09-04 | 张桂荣 | Hydrotubation device |
| CN203591517U (en) * | 2013-12-17 | 2014-05-14 | 邓俊晖 | Medical sealed transanal intestine anastomosis leakage tester |
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