CN102078177B - Perfusion-driven colonoscope - Google Patents
Perfusion-driven colonoscope Download PDFInfo
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- CN102078177B CN102078177B CN 200910253868 CN200910253868A CN102078177B CN 102078177 B CN102078177 B CN 102078177B CN 200910253868 CN200910253868 CN 200910253868 CN 200910253868 A CN200910253868 A CN 200910253868A CN 102078177 B CN102078177 B CN 102078177B
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- air bag
- perfusion
- slip air
- slip
- colonoscope
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Abstract
The invention discloses a perfusion-driven colonoscope which comprises an anal cushion, a sliding air sac, a charge-coupled device lens, an endoscope system, a connecting wire and a perfusion system, wherein the charge-coupled device lens is arranged in front of the sliding air sac; the endoscope system is provided with a cold light source system, an inflating system and a data receiving system; the connecting wire passes through the anal cushion in a sealed sliding manner and is provided with a video light guide wire for connecting the lens and the data receiving system and the cold light source system and an air pipeline for connecting the air sac and the inflating system; the perfusion system comprises a perfusion instrument and a perfusion pipe, one end of the perfusion pipe is connected with the perfusion instrument, and the other end passes through the anal cushion in a sealed manner; and the air sac can automatically and gradually move along the direction of the enteric cavity under the pressure driving of a perfusion liquid perfused into the enteric cavity, and the lens moves forwards along with the air sac and checks the colon dynamically until the ileocecal junction. The entrance of the colonoscope is smooth, the colonoscope is prevented from knotting, and the pain of patients in colonoscopy is alleviated.
Description
Technical field
The present invention relates to a kind of technical field of medical instruments, especially relate to a kind of endoscope for colonoscopy.
Background technology
Colonoscopy is a clinical very general inspection.Because the trend of colon has the large bending in many places, shank is very easy to form " climbing " 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 skilled operators is advanced mirror, certain difficulty is arranged also.This push type advance the mirror method, also may cause the malpracticees such as intestinal perforation.Report the Aer-O-Scope product of Israel GIView company in March, 2006 " Gastroenterology ", i.e. a kind of novel independent navigation and the autonomous air bag colonoscope that advances without technology dependence.Charge-coupled image sensor (CCD) camera lens that this colonoscope relies on the colonic inflation, drives air bag and link checks that success rate is about 83%, has the not high problem of success rate.According to above-mentioned deficiency, the design people has designed a solution, and it was announced on Chinese patent database on November 28th, 2007, and the utility model name is called " a kind of colonoscope advances the mirror conduit ", and the patent No. is 200620048211.3.A kind of colonoscope advances the mirror conduit, and the conduit that rely on the colonic inflation, drives air bag and link, common the colonoscope conduit in the biopsy hole again advance mirror.Compare with Aer-O-Scope air bag colonoscope, the colonoscope of this solution advances the mirror conduit effectively to be improved the inspection success rate, reduces inspection fee, but can increase simultaneously patient's enteroscopy immoderation.
Summary of the invention
The invention provides a kind of colon endoscope that pours into driving, its colonoscope that has overcome background technology advances the existing deficiency that can increase patient's enteroscopy immoderation of mirror conduit.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of colon endoscope that pours into driving, it comprises:
One can be sealedly attached to the anus pad of anus;
The slip air bag that can be close to intestinal wall after one inflation;
One charge-coupled image sensor camera lens is before it is located at the slip air bag;
One endoscopic system, it has a cold light source system, a gas charging system and a data receiving system;
One connecting line, its sealing slides through the anus pad, and it has a video guide light and a feed channel; One of this video guide light end connection data receiving system and cold light source system, other end hermetically passing slip air bag and connection lens; One of this feed channel end connects gas charging system, the other end connect air bag, take can be as the air bag inflation/deflation;
And the filling system that perfusion fluid can be provided, it comprises perfusion instrument and an intrusion pipe, this intrusion pipe one end connects perfusion instrument, other end hermetically passing anus pad.
In a preferred embodiment of the present invention: this endoscopic system also has a cleanout fluid output system and a negative pressure system, this connecting line also comprises a connecting pipe road, one of this connecting pipe end selects to connect cleanout fluid output system and negative pressure system, the other end pass the slip air bag and be positioned at the side of camera lens, can select to clean camera lens or to absorb air and liquid in the air bag anterior intestine.
In a preferred embodiment of the present invention: video guide light, feed channel and the connecting pipe of this connecting line also together.
The invention has the beneficial effects as follows: under the pressure-driven of the perfusion fluid that this air bag can be in being fed into enteric cavity, move along the direction of enteric cavity gradually voluntarily, camera lens is along with air bag moves forward, dynamically colon is checked, until ileocecus reaches and advances smoothly mirror, therefore overcome the existing deficiency of background technology, and has following advantage: 1, avoid endoscope to form and climb, reduce the misery of patient's colonoscopy; 2, perfusion fluid has certain surface tension, and under larger pressure, liquid can not resemble that easy gap from air bag and intestinal wall spills gas; 3, perfusion fluid has certain weight, moderately change patient's position, the weight of perfusion fluid self produces larger motive force to air bag, and it is relatively smaller to the pressure of colon wall, thereby further guaranteed the safety of air bag pace and inspection, can complete fast, painlessly the total colectomy inspection; 4, simple in structure, with low cost; When 5, using clinically, air bag has the function of independent navigation, does not rely on endoscopic technician's skill, greatly improves safety and the efficient of colonoscopy; 6, utilize perfusion fluid, replace the colon inflation, obviously reduce the air bag required perfusion pressure that advances, reduce patient's misery, the also generation of complication.Owing to being provided with connecting pipe, therefore the air in the air bag anterior intestine and liquid can be excreted, reduce the resistance that air bag moves ahead, can input cleanout fluid and clean camera lens, be conducive to guarantee lens cleaning.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the schematic diagram after the present invention enters enteric cavity;
Fig. 3 is the vertical section structure schematic diagram after slip airbag aeration of the present invention;
Fig. 4 is the cross-sectional configuration schematic diagram after slip airbag aeration of the present invention;
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of colon endoscope that pours into driving, it comprises a slip air bag 1, a charge-coupled image sensor (CCD) camera lens 2, a connecting line 3, an endoscopic system 4, perfusion instrument 5, an intrusion pipe 6 and an anus pad 7.
This slip air bag 1 is made by the thin-walled of strong elasticity, becomes the wasp waist shape after its inflation, and the centre is wasp waist shape depression.Can be close to intestinal wall after this slip air bag 1 inflation, and intestinal wall slides relatively.Wherein: 1, because airbag wall is smooth flexible, can not cause intestinal wall impaired; 2, the air bag of wasp waist shape depression can prevent from injecting the leak of liquid of enteric cavity like double barrier, thereby can guarantee the pace of air bag.
Before this CCD camera lens 2 is located at slip air bag 1.Among the present embodiment, this CCD camera lens contains the cold light source illumination, has the function of illumination and shooting.
This endoscopic system 4 has a cold light source system, a gas charging system, a data receiving system, a cleanout fluid output system and a negative pressure system, and this data receiving system comprises that display and that a CPU, connects CPU connects the memorizer of CPU.Existing clinical endoscopic system commonly used has above-mentioned composition.
This anus pad 7 can be sealedly attached to anus.
This connecting line 3 has a video guide light 10, a feed channel 12 and a connecting pipe road 11, the video guide light 10 of this connecting line 3, feed channel 12 and connecting pipe 11 and together, this video guide light 10, feed channel 12 and connecting pipe 11 can both arbitrarily bend.This connecting line 3 can seal and slide through anus pad 7.One of this video guide light 10 end connection data receiving system and cold light source system, other end hermetically passing slip air bag 1 and connect CCD camera lens 2, image pickup signal can be passed to data receiving system; One of this feed channel 12 end connects the gas charging system of endoscopic system, the other end connect the afterbody of air bag 1, can be the air bag inflation/deflation, so that air bag expands or dwindles; One of this connecting pipe 11 end selects to connect cleanout fluid output system and the negative pressure system of endoscopic system, the other end pass slip air bag 1 and be positioned at the side of CCD camera lens 2, with can the air in the air bag anterior intestine and liquid negative pressure sucking-off is external, reduce the resistance that air bag moves ahead, can input simultaneously cleanout fluid and clean CCD camera lens 2, be conducive to keep lens cleaning.This cleanout fluid is generally the normal saline of 37 degrees centigrade of left and right.
Among the present embodiment, this perfusion instrument 5 can provide perfusion fluid (being generally the normal saline of 37 degrees centigrade of left and right), and these intrusion pipe 6 one ends connect perfusion instrument 5, and other end hermetically passing anus pad 7 enters enteric cavity.
As shown in Figure 2, first anus pad 7 is inserted anuses, successively CCD camera lens 2, air bag 1 and connecting line 3 are inserted to the rectum position.Intrusion pipe 6 is inserted rectum by anus pad 7, be positioned at the rear of air bag 1.By the gas charging system of endoscopic system, make air bag 1 gassy be the wasp waist shape, be close to intestinal wall 8.Perfusion instrument 5 is by the rear enteric cavity perfusion fluid of intrusion pipe 6 to air bag 1.Increase along with perfusion fluid, the pressure at air bag 1 rear is greater than the pressure of air bag the place ahead enteric cavity 9, and the pressure differential on air bag 1 two sides, front and back is promoting air bag 1 constantly advances along enteric cavity, realizes independent navigation, CCD camera lens 2 is along with air bag reach, dynamically to the colon inspection of making a video recording.Air bag 1 is after ileocecus, and perfusion instrument 5 stops perfusion fluid.Allow internal rectum liquid continuously outflow along intrusion pipe 6 external, CCD camera lens 2, air bag 1 are constantly drawn back to anus, and CCD camera lens 2 is dynamically shooting inspection again, completes total colectomy mucosa image acquisition.When CCD camera lens 2 retreats to rectum, pull out anus pad 7, CCD camera lens 2 withdraws from anus more gradually, completes inspection.In the process that air bag 1 advances, can make the liquid formation certain altitude at air bag 1 rear by conversion those who are investigated's position, produce certain pressure, help air bag 1 advancing smoothly along enteric cavity.
The above only is preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, the equivalence of namely doing according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (3)
1. colon endoscope that pours into driving, it is characterized in that: it comprises:
One can be sealedly attached to the anus pad of anus;
The slip air bag that can be close to intestinal wall after one inflation;
One charge-coupled image sensor camera lens is before it is located at the slip air bag;
One endoscopic system, it has a cold light source system, a gas charging system and a data receiving system;
One connecting line, its sealing slides through the anus pad, and has a video guide light and a feed channel; One of this video guide light end connection data receiving system and cold light source system, other end hermetically passing slip air bag and connection lens; One of this feed channel end connects gas charging system, the other end connect the slip air bag, take can be as slip air bag inflation/deflation;
And the filling system that perfusion fluid can be provided, it comprises perfusion instrument and an intrusion pipe, this intrusion pipe one end connects perfusion instrument, other end hermetically passing anus pad; The perfusion instrument is by the rear enteric cavity perfusion fluid of intrusion pipe to the slip air bag, increase along with perfusion fluid, the pressure at slip air bag rear is greater than the pressure of slip air bag the place ahead enteric cavity, and before and after the slip air bag, the pressure differential on two sides is promoting the slip air bag and constantly advances along enteric cavity.
2. a kind of colon endoscope that pours into driving according to claim 1, it is characterized in that: this endoscopic system also has a cleanout fluid output system and a negative pressure system, this connecting line also comprises a connecting pipe road, one of this connecting pipe end selects to connect cleanout fluid output system, negative pressure system, the other end pass the slip air bag and be positioned at the side of camera lens, can select to clean camera lens or to absorb air and liquid in slip air bag anterior intestine.
3. a kind of colon endoscope that pours into driving according to claim 2 is characterized in that: video guide light, feed channel and the connecting pipe of this connecting line and together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910253868 CN102078177B (en) | 2009-12-01 | 2009-12-01 | Perfusion-driven colonoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910253868 CN102078177B (en) | 2009-12-01 | 2009-12-01 | Perfusion-driven colonoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102078177A CN102078177A (en) | 2011-06-01 |
| CN102078177B true CN102078177B (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910253868 Expired - Fee Related CN102078177B (en) | 2009-12-01 | 2009-12-01 | Perfusion-driven colonoscope |
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| Country | Link |
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| CN (1) | CN102078177B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417180B (en) * | 2013-08-30 | 2015-10-28 | 李向东 | Traction extending type endoscope |
| US10420916B1 (en) | 2014-02-10 | 2019-09-24 | Nutech Ventures | Disposable fluidic self-propelling robot for traversing a tubular passage |
| CN105999528A (en) * | 2016-06-23 | 2016-10-12 | 成都佳美嘉科技有限公司 | Auxiliary device for ultrasonic observation of descending colon |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200980662Y (en) * | 2006-11-28 | 2007-11-28 | 中国人民解放军第二军医大学 | Colonoscope inletting catheter |
| CN201564463U (en) * | 2009-12-01 | 2010-09-01 | 中国人民解放军第一七五医院 | Colonoscope with improved structure |
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2009
- 2009-12-01 CN CN 200910253868 patent/CN102078177B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200980662Y (en) * | 2006-11-28 | 2007-11-28 | 中国人民解放军第二军医大学 | Colonoscope inletting catheter |
| CN201564463U (en) * | 2009-12-01 | 2010-09-01 | 中国人民解放军第一七五医院 | Colonoscope with improved structure |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-167080A 2007.07.05 |
| JP特开2007-268137A 2007.10.18 |
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| CN102078177A (en) | 2011-06-01 |
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Granted publication date: 20130522 Termination date: 20181201 |