CN200980662Y - Colonoscope inletting catheter - Google Patents

Colonoscope inletting catheter Download PDF

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Publication number
CN200980662Y
CN200980662Y CN 200620048211 CN200620048211U CN200980662Y CN 200980662 Y CN200980662 Y CN 200980662Y CN 200620048211 CN200620048211 CN 200620048211 CN 200620048211 U CN200620048211 U CN 200620048211U CN 200980662 Y CN200980662 Y CN 200980662Y
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CN
China
Prior art keywords
conduit
catheter
air bag
colonoscope
guiding air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620048211
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Chinese (zh)
Inventor
李兆申
苏军凯
高峻
吴仁培
王东
曹海莲
王广勇
谢婷
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Second Military Medical University SMMU
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Second Military Medical University SMMU
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Filing date
Publication date
Application filed by Second Military Medical University SMMU filed Critical Second Military Medical University SMMU
Priority to CN 200620048211 priority Critical patent/CN200980662Y/en
Application granted granted Critical
Publication of CN200980662Y publication Critical patent/CN200980662Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a scope-entering conduit for colonoscope in the art of medical apparatus, composed of a guiding air bag (1), a double chamber conduit (2) and two three-way pipes (3), (4), wherein the double chamber conduit (2) is composed of an outer conduit (6) and an inner conduit (7) which is disposed inside the outer conduit (6), and the space between the two conduits is outer chamber. The front end of the outer conduit (6) is shorter than that of the inner conduit (7), and the fore end of the outer conduit is sealed and connected to the rear rim of the fore end (5) of the inner conduit via the guiding air bag (1) of which the chamber is communicated with the outer chamber of the double chamber conduit (2). At the rear end of the double chamber conduit (2), the inner conduit (7) pierces though the wall of the outer conduit (6) and is secured there, and the rear end of the inner conduit is respectively communicated with the three-way pipes (3), (4). In the process of usage, the utility model is capable of inserting into biopsy hole of common colonoscope, and the colonoscope enters under the guiding of the conduit, thereby achieving the aim of smooth and safe scope entering.

Description

A kind of colonoscope advances the mirror conduit
Technical field
This utility model relates to technical field of medical instruments, is a kind ofly to be used to guide colonoscope to advance the conduit of mirror in enteric cavity.
Background technology
Colonoscopy is a clinical very general inspection.Because the trend of colon has the big bending in many places, shank is very easy to form " button loop " at the intestinal knee in the colonoscope insertion process, causes colonoscope to advance the mirror difficulty.What this pusher colonoscope advanced that the mirror method extremely depends on the operator advances the mirror skill, even but skilled operators advance mirror certain difficulty also arranged.In March, 2006 " ENDOSCOPY " report colonoscope advances the mirror mortality and is approximately 5% one 20%.This push type advance the mirror method, also may cause malpracticees such as intestinal perforation.
Summary of the invention
The purpose of this utility model provides a kind of colonoscope and advances the mirror conduit, this conduit can insert from the biopsy hole of common colonoscope, and under the guiding of conduit, common colonoscope advances mirror along conduit, thereby become drawbacks such as button loop or perforation when avoiding into mirror, reach the purpose of advancing mirror smoothly.
This utility model is made up of guiding air bag, double channel catheter and tee T.Double channel catheter is made up of inner catheter and outer catheter.Inner catheter is elongated, and it is coniform that head is, and nose-circle is blunt, leads directly to the top of head in the pipe for inner chamber.Inner catheter is positioned at the outer catheter tube chamber, and the space between two pipes is an exocoel.The outer catheter front end is short than inner catheter, and by the sealing that links to each other of guiding air bag, the air bag blister cavities communicates with the exocoel of double channel catheter between the head trailing edge of its head end and inner catheter.The guiding air bag is one the thin-walled air bag of strong elasticity to be arranged, and is wasp waist shape depression in the middle of it during inflation.At the afterbody of double channel catheter, inner catheter passes and is fixed in this from the wall of outer catheter, and each joins interior outer catheter with a tee T.Inflate or aerofluxus for the exocoel of double channel catheter by tee T, so that the guiding air bag fills or dwindles; Also can perhaps inject or absorb the liquid of cleaning intestinal by the inner chamber injection or the interior gas of absorption intestinal of double channel catheter.During use, will insert anus with the air bag anus sleeve pipe of anti-gas-leak earlier, routinely common colonoscope be inserted in the rectum enteric cavity, again this utility model conduit be inserted the biopsy hole of colonoscope, and make the guiding air bag of conduit head end stretch out the front end of colonoscope.Then, give the guiding airbag aeration through exocoel, make airbag wall be close to intestinal wall by tee T.Flicking colonoscope control section gas injection button, injecting hole by colonoscope is to the enteric cavity gas injection, after enteric cavity is expanded to a certain degree, because it is external that anal orifice has the fixation balloon obstruction to prevent that gas from spilling, therefore with the increase of air pressure, guiding air bag cyst wall pressurized constantly moves forward along enteric cavity, drives conduit and extends forward, and colonoscope can be pushed ahead along conduit.Because the guiding airbag wall is smooth flexible, can not cause intestinal wall impaired.The air bag of wasp waist shape depression can prevent that like double barrier the gas that injects enteric cavity from leaking, thereby can guarantee that the colonoscope of air bag under clearing the way advances mirror speed.Colonoscope moves ahead along conduit not only can not abrade intestinal wall, and can stop into the appearance of situations such as button loop or intestinal perforation, and making into, mirror becomes smoothly and safety.If the gas obstruction is arranged in the intestinal before the guiding air bag or has filth to exist, then can be by the inner chamber aerofluxus or the cleaning of double channel catheter.When the intestinal mirror is advanced to caecum portion target endpoint, just can air bag be shunk by gas in the exocoel eliminating guiding air bag of double channel catheter, extract whole conduit from intestinal mirror biopsy hole again, surplus operation can be carried out inspection or treatments such as biopsy, cover bundle as common intestinal mirror.
This utility model is simple in structure, and is with low cost.When using clinically, need not change conventional intestinal mirror and work station thereof, not rely on operator's skill, improve safety and efficient that colonoscope advances mirror greatly, obviously alleviate patient's misery, and can reduce complication.
Description of drawings
Fig. 1 is an overall structure sketch map of the present utility model
Fig. 2 is the vertical section structure sketch map behind the head end airbag aeration of the present utility model
Fig. 3 is the vertical section structure sketch map before the head end airbag aeration of the present utility model
Fig. 4 enters sketch map behind the enteric cavity for this utility model guiding intestinal mirror
The specific embodiment
Now in conjunction with the accompanying drawings and embodiments, this utility model is described in detail.
This utility model is made up of guiding air bag 1, double channel catheter 2 and tee T 3,4.Double channel catheter 2 is made up of outer catheter 6 and inner catheter 7.Inner catheter 7 is elongated, and head 5 is coniform, and nose-circle is blunt, leads directly to the top of head 5 in the pipe for inner chamber.Inner catheter 7 is positioned at the tube chamber of outer catheter 6, and the space between two pipes is an exocoel.Outer catheter 6 front ends are short than inner catheter 7, and by the sealing that links to each other of guiding air bag 1, air bag 1 blister cavities communicates with the exocoel of double channel catheter 2 between head 5 trailing edges of its head end and inner catheter.Guiding air bag 1 is one the thin-walled air bag of strong elasticity to be arranged, and is wasp waist shape depression in the middle of it during inflation.At the afterbody of double channel catheter 2, inner catheter 7 passes and is fixed in this from the wall of outer catheter 6, and inside and outside tail end of conduit joins with tee T 3,4 respectively.Inflate or aerofluxus for the exocoel of double channel catheter 2 by tee T 3, so that guiding air bag 1 fills or dwindles; Can give the inner chamber injection of double channel catheter 2 or absorb gas in the intestinal by tee T 4, perhaps the liquid of intestinal is cleaned in injection or absorption.As shown in Figure 4, during use, to insert anus with the anus sleeve pipe 12 of anti-gas-leak fixation balloon 11 earlier, routinely common colonoscope is inserted in the rectum enteric cavity, inflate to stop up anus by 10 pairs of fixation balloons of tee T 11, again this utility model conduit is inserted the biopsy hole 9 of colonoscope, and make the guiding air bag 1 of conduit head end stretch out the front end of colonoscope.Then, give the guiding air bag 1 inflation through exocoel, make airbag wall be close to intestinal wall by tee T 3.Flicking colonoscope control section 8 gas injection buttons, injecting hole by colonoscope is to the enteric cavity gas injection, after enteric cavity is expanded to a certain degree, because it is external that anal orifice has fixation balloon 11 obstructions to prevent that gas from spilling, therefore with the increase of air pressure, guiding air bag 1 cyst wall pressurized constantly moves forward along enteric cavity, drives conduit 2 and extends forward, and colonoscope shank 13 can be pushed ahead along conduit 2.Because guiding air bag 1 cyst wall is smooth flexible, can not cause intestinal wall impaired.The air bag 1 of wasp waist shape depression can prevent that like double barrier the gas that injects enteric cavity from leaking, thereby can guarantee that the colonoscope of air bag 1 under clearing the way advances mirror speed.Colonoscope moves ahead along conduit 2 not only can not abrade intestinal wall, and can stop into the appearance of situations such as button loop or intestinal perforation, and making into, mirror becomes smoothly and safety.If the gas obstruction is arranged in the intestinal before the guiding air bag 1 or has filth to exist, then can be by the inner chamber aerofluxus or the cleaning of double channel catheter 2.When the intestinal mirror is advanced to caecum portion target endpoint, just can air bag be shunk by gas in the exocoel eliminating guiding air bag 1 of double channel catheter 2, extract whole conduit from intestinal mirror biopsy hole 9 again, surplus operation can be carried out biopsy, cover bundle etc. and check or treatment as common intestinal mirror.
Embodiment 1: a kind of colonoscope advances the mirror conduit
Inner catheter 7 long 2500mm of the present utility model, external diameter 1.2mm, internal diameter 0.6mm; The conical base of coniform head is that head trailing edge diameter is 2.4mm, the high 3.0mm of cone; Outer catheter 6 long 2440mm, external diameter 2.4mm, internal diameter 1.8mm.The guiding air bag long 60mm in 1 front and back, the about 8 μ m of inflation back wall thickness.Inside and outside tail end of conduit links to each other with the tee T of respective model respectively.
According to the colonoscope different model, the colonoscope that can be made into corresponding different model advances the mirror conduit.

Claims (1)

1, a kind of colonoscope advances the mirror conduit, it is characterized in that by guiding air bag (1), double channel catheter (2), and tee T (3), (4) form, double channel catheter (2) is made up of outer catheter (6) and inner catheter (7), inner catheter (7) is elongated, head (5) is coniform, nose-circle is blunt, lead directly to the top of head (5) in the pipe for inner chamber, inner catheter (7) is positioned at the tube chamber of outer catheter (6), and the space between two pipes is an exocoel, and outer catheter (6) front end is short than inner catheter (7), by guiding air bag (1) sealing that links to each other, the air bag blister cavities communicates with double channel catheter (2) exocoel between the trailing edge of its head end and the head (5) of inner catheter; Guiding air bag (1) is one the thin-walled air bag of strong elasticity to be arranged, and is wasp waist shape depression in the middle of it during inflation; Afterbody in double channel catheter (2), inner catheter (7) passes from the tube wall of outer catheter (6), and is fixed in this, and inside and outside tail end of conduit joins with tee T (3), (4) respectively.
CN 200620048211 2006-11-28 2006-11-28 Colonoscope inletting catheter Expired - Fee Related CN200980662Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620048211 CN200980662Y (en) 2006-11-28 2006-11-28 Colonoscope inletting catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620048211 CN200980662Y (en) 2006-11-28 2006-11-28 Colonoscope inletting catheter

Publications (1)

Publication Number Publication Date
CN200980662Y true CN200980662Y (en) 2007-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620048211 Expired - Fee Related CN200980662Y (en) 2006-11-28 2006-11-28 Colonoscope inletting catheter

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CN (1) CN200980662Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102078177B (en) * 2009-12-01 2013-05-22 中国人民解放军第一七五医院 Perfusion-driven colonoscope
CN103417180A (en) * 2013-08-30 2013-12-04 李向东 Traction pulling type endoscope
CN103920229A (en) * 2014-03-31 2014-07-16 宋景春 Colonic multifunctional treatment device
CN107088041A (en) * 2012-07-13 2017-08-25 木村正 The application method of guiding tube, guide device and guide device
CN109645949A (en) * 2018-11-28 2019-04-19 王庆元 A kind of anus closed unit external member

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102078177B (en) * 2009-12-01 2013-05-22 中国人民解放军第一七五医院 Perfusion-driven colonoscope
CN107088041A (en) * 2012-07-13 2017-08-25 木村正 The application method of guiding tube, guide device and guide device
CN103417180A (en) * 2013-08-30 2013-12-04 李向东 Traction pulling type endoscope
CN103417180B (en) * 2013-08-30 2015-10-28 李向东 Traction extending type endoscope
CN103920229A (en) * 2014-03-31 2014-07-16 宋景春 Colonic multifunctional treatment device
CN109645949A (en) * 2018-11-28 2019-04-19 王庆元 A kind of anus closed unit external member

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071128

Termination date: 20101128