WO2016041435A1 - Dispositif de poussée d'endoscope non-effractif libre - Google Patents

Dispositif de poussée d'endoscope non-effractif libre Download PDF

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Publication number
WO2016041435A1
WO2016041435A1 PCT/CN2015/088264 CN2015088264W WO2016041435A1 WO 2016041435 A1 WO2016041435 A1 WO 2016041435A1 CN 2015088264 W CN2015088264 W CN 2015088264W WO 2016041435 A1 WO2016041435 A1 WO 2016041435A1
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WO
WIPO (PCT)
Prior art keywords
membrane tube
tube
assembly
tube assembly
membrane
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Application number
PCT/CN2015/088264
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English (en)
Chinese (zh)
Inventor
王禄科
范晓琛
Original Assignee
烟台蚯蚓窥视镜有限公司
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Application filed by 烟台蚯蚓窥视镜有限公司 filed Critical 烟台蚯蚓窥视镜有限公司
Publication of WO2016041435A1 publication Critical patent/WO2016041435A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor

Definitions

  • the present invention relates to an endoscope propulsion device as a medical device, which is mainly used to advance a capsule endoscope to perform a digestive tract examination.
  • enteral endoscopy generally include oral capsule endoscopy and enteroscopy.
  • the patient's oral capsule endoscope (smart capsule digestive tract endoscope system, also known as medical wireless endoscope), the capsule endoscope runs naturally through the digestive tract, takes image data in the digestive tract, and finally discharges from the anus.
  • the disadvantage is that the capsule endoscope runs in the intestine for a long time, typically 5 to 20 hours or even longer.
  • the capsule endoscope relies on intestinal peristalsis, and the intestinal peristalsis has the characteristics of uneven velocity, it is easy to lose the opportunity to capture certain key image positions in an instant.
  • the intestinal tract is not smooth due to a large tumor or other causes, the examination cannot be performed.
  • the existing enteroscopy such as the double-balloon electronic mirror of Japan's Fujinon Corporation, adopts a pre-stack structure, and the small intestine is directly placed on the outer sleeve during use, and reaches the deep part of the small intestine through the intestinal accumulation.
  • the disadvantage is that the pulling force on the intestine is large, which increases the degree of pain of the patient and often terminates the examination due to paralysis.
  • it also has the shortcomings of the inspection process, the operation is difficult, and the whole small intestinaloscopy takes about 3 hours.
  • the technical problem to be solved by the present invention is to provide a free non-invasive endoscope propulsion device with controllable propulsion speed, instantaneous removal of the propulsion device to shorten the inspection operation time, and no sliding friction between the propulsion device and the inner wall of the small intestine, Achieve noninvasive examination of the small intestine
  • the present invention adopts the following technical solutions.
  • the free non-invasive endoscope propulsion device comprises: an inner membrane tube assembly for advancing the lens and an outer membrane tube assembly for the outer membrane tube assembly; an inner membrane tube assembly and an outer membrane tube total Each having a membrane tube consisting of an inner tube and an outer tube that are nested together, the same side ends of the inner and outer tube tubes are sealed to each other to form an annular sealing interlayer; the sealing layer is filled with liquid In the state, the tube walls of the two membrane tubes are in contact with each other to ensure that the inner wall of the outer membrane tube assembly is extended when the inner membrane tube assembly is displaced; the inner membrane tube assembly further comprises an inner end and an inner membrane tube assembly.
  • the membrane tubes are connected, passing through the center of the membrane tube, and the outer end is located on the drawstring behind the membrane tube.
  • a support propulsion assembly is mounted in the annular seal interlayer;
  • the inner membrane tube assembly further includes an inner end connected to the membrane tube of the inner membrane tube assembly, passing through the center of the membrane tube, the outer end being located behind the membrane tube
  • the three drawstrings, the connection point between the three drawstrings and the membrane tube are uniformly distributed circumferentially on the membrane tube;
  • the outer membrane tube assembly further includes an inner end connected to the membrane tube of the outer membrane tube assembly, Passing through the center of the membrane tube, the outer end is located at the rear of the membrane tube, three connecting ropes, the connection point between the three pulling ropes and the membrane tube is uniformly distributed on the membrane tube;
  • the outer wall of the outer membrane tube assembly is provided on the outer wall of the membrane tube There are filling holes for filling the annular sealing interlayer with liquid or gas or lubricating material.
  • the support propulsion assembly includes a bracket ring and a bracket connected to the bracket ring and running parallel to the axis of the membrane tube, the handle being connected to the rear end of the bracket.
  • the film tube is prepared according to one of the following two methods: the first method: taking a film material tube open at both ends, and pulling one open end thereof to the other open end, the two open ends are closed to each other The connection, the eversion section and the inner section form an annular sealing interlayer; the second method: the two sections of the film material tube are sleeved together, and the same ends of the two sections of the membrane material tube are closed to each other, between the two sections of the membrane material tube An annular sealing interlayer is formed.
  • the lens is connected to the lead directly or through a wire wheel, the wire passes through the center of the endocardial tube assembly, and the rear end is located behind the endocardial tube assembly.
  • a guide assembly is further included, the guide assembly includes a flexible tube sleeved outside the outer membrane tube assembly and the lens, the inner end of the flexible tube is mounted with a spring, and a guide cable for pulling the spring to deflect the flexible tube .
  • the rear end of the spring is connected with the inner wall of the flexible pipe; the pipe wall at the rear of the flexible pipe is provided with three circumferentially uniform transparent chutes, and a sliding block is respectively installed at the notch of the three chutes; the guide assembly
  • the utility model further comprises three guiding ropes, wherein the front ends of the three guiding ropes are connected to the front end of the spring, and the connecting points between the three guiding ropes and the spring are uniformly distributed circumferentially; the outer ends of the three guiding ropes are respectively arranged with the three sliding blocks. Correspondingly connected to each other.
  • the guiding assembly further comprises a protective film sleeved on the flexible tube.
  • the protective film penetrates from one end of the flexible tube and then passes around the flexible tube and the spring returns to a position close to the penetrating end; the protective film penetrates from one end of the flexible tube and is pierced Turn back and end, bypass the flexible tube and spring, and return to the position behind the piercing end.
  • the positive effects of the invention are as follows: (1) The advancement speed is fast, and the inspection operation time is greatly shortened; (2) The sliding friction is not generated between the propulsion device and the inner wall of the small intestine, and the non-invasive examination of the small intestine is realized. (3), the image captured by the lens is transmitted by wire, the lens can be made smaller, the image clarity is higher; (4), the mesentery has no pulling effect, so it will not cause intestinal fistula. (5) If the intestine surgery is required, the endocardial tube assembly A is withdrawn, the outer membrane tube assembly B is left at the surgical site, and the liquid in the fluid-filled interlayer 3 of the outer membrane tube assembly B is withdrawn, and the outer membrane tube is taken out. Assembly B serves as a surgical access.
  • Figure 1 is a schematic view showing the overall structure of the present invention.
  • Figure 2 is a schematic view showing the structure of the inner membrane tube assembly A of the present invention.
  • Figure 3 is a schematic view showing the structure of the outer film tube assembly B of the present invention.
  • Figure 4 is a schematic view showing the structure of the guide assembly C of the present invention.
  • the present embodiment includes a lens D to which a wire F is connected by a wire wheel E, an inner film tube assembly A for advancing the lens D, and an outer film tube assembly of the outer film tube assembly A.
  • the lead F passes through the center of the endocardial tube assembly A, and the rear end is located behind the endocardial tube assembly A.
  • the function of the wire F is to transmit the image data acquired by the lens D to the outside.
  • the annular sealing interlayer 3 is filled with a liquid with a lubricant.
  • the inner membrane tube assembly A comprises a membrane tube 2 having an annular sealing interlayer 3 filled with a liquid with a lubricant.
  • a support propulsion assembly is mounted in the annular seal interlayer 3, a first form of support propulsion assembly: a support ring 6 located in the annular seal interlayer 3 and a support 5 connected to the support ring 6 and running parallel to the axis of the membrane tube 2,
  • the bracket 5 is rod-shaped and has a handle 4 attached to the rear end.
  • the second form of support propulsion assembly is tubular.
  • the first form of the invention is preferred.
  • the endocardial tube assembly A further includes three pull cords 1 , three pull cords 1 and a membrane tube 2 , which are connected to the membrane tube 2 at the inner end and pass through the center of the membrane tube 2 , and the outer end is located behind the membrane tube 2 .
  • the connection points between the membranes are uniformly distributed circumferentially on the membrane tube 2.
  • the membrane tube 2 of the outer membrane tube assembly B has an annular sealing interlayer 3 in which is mounted a support propulsion assembly of the same construction as the inner membrane tube assembly A.
  • the outer membrane tube assembly B further comprises three inner cords 1 connected to the membrane tube 2, passing through the center of the membrane tube 2, and the outer end is located behind the membrane tube 2, three pull cords 1 and a membrane tube 2 The connection point between them is uniformly distributed circumferentially on the film tube 2; the outer wall of the film tube 2 of the outer film tube assembly B is provided with a filling hole for filling the annular sealing interlayer 3 with a liquid or a gas or a lubricating material.
  • the two outlets connected to the three-way 7 and the three-way 7 are respectively connected to the liquid-filled interlayer 3.
  • the function of the tee 7 is to adjust the liquid pressure in the liquid-filled interlayer 3 of the outer membrane tube assembly B.
  • the membrane tube 2 of the outer membrane tube assembly B is shorter than the endometrial tube assembly A membrane tube by about 25 cm.
  • the membrane tube 2 is prepared according to the following method: a membrane material tube having open ends is taken, and one open end is externally pulled to the other open end and closed to each other, and the valgus section and the inner section are formed. Closed liquid-filled interlayer 3.
  • the membrane tube 2 can also be prepared according to the following method: the two sections of the membrane material tube are sleeved together, and the same end tube wall of the two sections of the membrane material tube are closed to each other to form a ring seal between the two sections of the membrane material tube. Mezzanine 3.
  • the present invention In order to push the lens D into the small intestine when reaching the blindfold, the present invention also adds a guide assembly C.
  • the guide assembly C includes a flexible tube 8 which is sleeved outside the outer membrane tube assembly B and the lens D.
  • the inner end of the flexible tube 8 is mounted with a spring 9, and the rear end of the spring 9 is connected to the inner wall of the flexible tube 8.
  • Three circumferentially uniform transparent chutes 12 are formed in the pipe wall at the rear of the flexible pipe 8, and a sliding block 11 is respectively mounted on the notch portions of the three chutes 12.
  • the guide assembly C further includes three guide cables 10, the front ends of the three guide cables 10 are connected to the front end of the spring 9, and the connection points between the three guide cables 10 and the spring 9 are circumferentially uniform.
  • the outer ends of the three guide ropes 10 are connected to each other in one-to-one correspondence with the three sliding blocks 11, respectively.
  • a protective film is placed on the flexible tube 8, and the protective film is inserted from one end of the flexible tube 8, and then turned over at the piercing end, bypassing the flexible tube 8 and the spring 9, and returning to the penetration. The position behind the end.
  • the guide assembly C, the outer membrane tube assembly B and the endocardial tube assembly A, which are sleeved to each other, are pushed through the large intestine to the blindfold.
  • the sliding block 11 is axially driven along the sliding slot 12, and the guiding cable 10 connected to the sliding block 11 pulls one side of the spring 9 to change the front end of the flexible tube 8, thereby changing the direction of the lens D, and the lens D is aimed at the small intestine.
  • the lens D used at this time has an image data transmitting function, and the body peripheral receiving device is used to receive image information.
  • Means for using the present invention include a mode of entry from the mouth and a mode of access from the anus.
  • a mode of entry from the mouth When using the mouth entry mode, it is not necessary to use the guide assembly C.
  • the anus entry mode When the anus entry mode is adopted, it is necessary to guide by the guide assembly C.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)

Abstract

L'invention concerne un dispositif de poussée d'endoscope non-effractif libre. Le dispositif comprend un ensemble tube de membrane interne (A) utilisé pour pousser une lentille (D), et un ensemble tube de membrane externe (B) qui est emmanché à l'extérieur de l'ensemble tube de membrane interne (A). L'ensemble tube de membrane interne (A) et l'ensemble tube de membrane externe (B) comprennent séparément un tube de membrane rempli de liquide (2), et la paroi externe du tube de membrane de l'ensemble tube de membrane interne (A) est en contact avec la paroi interne du tube de membrane de l'ensemble tube de membrane externe (B) sous la pression du liquide rempli. La paroi interne de l'ensemble tube de membrane externe (B) est entraînée pour s'étendre lorsque l'ensemble tube de membrane interne (A) est déplacé. L'ensemble tube de membrane interne (A) comprend en outre une corde de traction (1) ayant une extrémité interne reliée au tube de membrane (2) de l'ensemble tube de membrane interne (A), passant par le centre du tube de membrane (2) et ayant une extrémité externe située sur la partie arrière du tube de membrane (2). La vitesse de poussée peut être commandée, le dispositif de poussée peut être retiré instantanément et, par conséquent, le temps d'examen peut être considérablement réduit; un frottement de glissement entre le dispositif de poussée et des parois internes de l'intestin grêle peut être empêché et, en conséquence, un examen non-effractif peut être réalisé sur l'intestin grêle.
PCT/CN2015/088264 2014-09-19 2015-08-27 Dispositif de poussée d'endoscope non-effractif libre WO2016041435A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410478841.3 2014-09-19
CN201410478841.3A CN104188611B (zh) 2014-09-19 2014-09-19 游离无创内窥镜推进装置

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WO2016041435A1 true WO2016041435A1 (fr) 2016-03-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115845178A (zh) * 2023-01-09 2023-03-28 中国人民解放军总医院第二医学中心 一种可视化的肠道测温冲洗装置及使用方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104188611B (zh) * 2014-09-19 2016-02-03 烟台蚯蚓窥视镜有限公司 游离无创内窥镜推进装置
CN110338746B (zh) * 2019-07-17 2021-06-15 黄毅然 一种肛门镜及其使用方法

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN1053357A (zh) * 1990-01-15 1991-07-31 张赋功 龟颈式套囊
US20060270901A1 (en) * 2005-05-27 2006-11-30 Bern M J Endoscope propulsion system and method
CN1933761A (zh) * 2004-03-15 2007-03-21 奥林巴斯株式会社 内窥镜插入辅助装置
JP2012081129A (ja) * 2010-10-13 2012-04-26 Fujifilm Corp 内視鏡推進装置
EP2554141A1 (fr) * 2011-08-02 2013-02-06 Cook Medical Technologies LLC Dispositif d'administration comportant une gaine d'introducteur à diamètre variable
CN103501682A (zh) * 2011-03-07 2014-01-08 智能医疗系统有限公司 装备球囊的内窥镜装置及其方法
CN104188611A (zh) * 2014-09-19 2014-12-10 烟台蚯蚓窥视镜有限公司 游离无创内窥镜推进装置

Family Cites Families (4)

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JPH078447A (ja) * 1993-06-29 1995-01-13 Olympus Optical Co Ltd 内視鏡の自動挿入装置
DE19748500B4 (de) * 1997-11-03 2006-03-30 Stm Medizintechnik Starnberg Gmbh Vorschubeinrichtung für einen flexiblen Endoskopschaft
US7635345B2 (en) * 2004-01-09 2009-12-22 G. I. View Ltd. Pressure-propelled system for body lumen
EP2236168B1 (fr) * 2005-07-05 2016-01-13 Angioslide Ltd. Système de catheter à ballonet et procédé pour fabriquer un tel système

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053357A (zh) * 1990-01-15 1991-07-31 张赋功 龟颈式套囊
CN1933761A (zh) * 2004-03-15 2007-03-21 奥林巴斯株式会社 内窥镜插入辅助装置
US20060270901A1 (en) * 2005-05-27 2006-11-30 Bern M J Endoscope propulsion system and method
JP2012081129A (ja) * 2010-10-13 2012-04-26 Fujifilm Corp 内視鏡推進装置
CN103501682A (zh) * 2011-03-07 2014-01-08 智能医疗系统有限公司 装备球囊的内窥镜装置及其方法
EP2554141A1 (fr) * 2011-08-02 2013-02-06 Cook Medical Technologies LLC Dispositif d'administration comportant une gaine d'introducteur à diamètre variable
CN104188611A (zh) * 2014-09-19 2014-12-10 烟台蚯蚓窥视镜有限公司 游离无创内窥镜推进装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115845178A (zh) * 2023-01-09 2023-03-28 中国人民解放军总医院第二医学中心 一种可视化的肠道测温冲洗装置及使用方法
CN115845178B (zh) * 2023-01-09 2023-08-22 中国人民解放军总医院第二医学中心 一种可视化的肠道测温冲洗装置及使用方法

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CN104188611A (zh) 2014-12-10

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