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WO2022055199A1 - Gaine d'endoscope jetable et procédé destiné à l'installation et au retrait de celle-ci - Google Patents

Gaine d'endoscope jetable et procédé destiné à l'installation et au retrait de celle-ci Download PDF

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Publication number
WO2022055199A1
WO2022055199A1 PCT/KR2021/012028 KR2021012028W WO2022055199A1 WO 2022055199 A1 WO2022055199 A1 WO 2022055199A1 KR 2021012028 W KR2021012028 W KR 2021012028W WO 2022055199 A1 WO2022055199 A1 WO 2022055199A1
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WO
WIPO (PCT)
Prior art keywords
cover
endoscope
insertion tube
protective cover
endoscope insertion
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.)
Ceased
Application number
PCT/KR2021/012028
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English (en)
Korean (ko)
Inventor
김용남
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2022055199A1 publication Critical patent/WO2022055199A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A61B1/00142—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 with means for preventing contamination, e.g. by using a sanitary sheath
    • 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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00103—Constructional details of the endoscope body designed for single use
    • 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
    • A61B1/00131—Accessories for endoscopes
    • A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B46/00—Surgical drapes
    • A61B46/10—Surgical drapes specially adapted for instruments, e.g. microscopes
    • A61B46/13—Surgical drapes specially adapted for instruments, e.g. microscopes the drapes entering the patient's body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
    • A61B2050/005—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers with a lid or cover
    • A61B2050/0065—Peelable cover
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0266—Operational features for monitoring or limiting apparatus function
    • A61B2560/028—Arrangements to prevent overuse, e.g. by counting the number of uses
    • A61B2560/0285—Apparatus for single use

Definitions

  • the present invention relates to a disposable endoscope cover and a method for mounting and removing the same, and more particularly, to a disposable endoscope cover capable of mounting and removing an endoscope to be inserted into a patient's or examinee's body without contamination, and a method for attaching and removing the same. .
  • an endoscope is widely used in the medical field to examine or treat a condition by being inserted into a body of a patient or examinee.
  • these endoscopes When these endoscopes are inserted into the body, that is, the stomach or large intestine, and are taken out after performing the examination, they are contaminated with various secretions such as the examinee's saliva or blood and unexpected pathogens. Since it can cause infection from body secretions or the relevant germs, it is used after washing cleanly to prevent it.
  • the process of cleaning the endoscope is cumbersome and not performed properly, and even if it is cleaned, it is expected because it is inserted into the body of another examinee after rubbing it with a tissue or an alcohol swab or washing with water using a neutral detergent for kitchen use. They are exposed to diseases and bacterial infections.
  • the cleaning/sterilizer for cleaning the endoscope insertion tube has a very high price of the device itself, requires a separate repair by a professional engineer and a corresponding cost in case of failure, and requires a lot of time for cleaning and disinfection.
  • the operation cost is high by using an expensive disinfectant solution, the inconvenience of periodically changing the disinfectant solution occurs, and it is not possible to confirm that the disinfection has been completed after disinfection.
  • the disinfectant solution causes problems such as damage to the outer skin of the endoscope cannula, pigmentation, and the health of workers.
  • the disinfectant solution for the endoscope is not disposable and is reused 30 to 90 times. The problem of contamination and dilution is occurring.
  • the endoscope insertion tube is separated from the main body and moved to the washing room due to contamination in the hospital. There was a problem with the occurrence of infection.
  • the present invention has been devised to solve the above problems, and its purpose is to insert a fitting member with a protective cover rolled in a ring shape into the endoscope cannula and loosen the protective cover to remove the entire exterior except the end of the endoscope cannula. Endoscopy is performed by covering it with a protective cover, and after the operation is finished, move to the washing room with the protective cover wrapped with the recovery cover and remove the protective cover.
  • An object of the present invention is to provide a disposable endoscope cover and a method for mounting and removing the endoscopic cover that can maximize the reliability of the operator by preventing contamination and infection because the source of contamination is not exposed to the outside during over-removal.
  • Disposable endoscope cover for achieving the above object is a fitting member fitted into the outer surface of the endoscope insertion tube connected to the endoscope body, and the endoscope insertion tube is rolled and released in a ring shape on the outside of the fitting member It may include a protective cover overlaid over the entire length of the exterior.
  • the fitting member is formed in the same cylindrical shape as the endoscope insertion tube, and the inner diameter may be larger than the outer diameter of the endoscope insertion tube so that it can be smoothly inserted into the endoscope insertion tube.
  • the protective cover can suppress the propagation of contaminants and can be used as long as it is a material that is smaller than the diameter of the endoscope insertion tube and has high elasticity and is harmless to the human body.
  • the non-rolled portion of the protective cover may be in close contact with the outside of the fitting member.
  • the protective cover is covered on the outside of the fitting member, and both ends are rolled up so that one side is overlaid on the endoscope cannula during endoscopic procedure, and the other side can be removed by rolling up the part covered with the endoscope cannula after the endoscopy procedure. there is.
  • the fitting member and the protective cover fitted to the endoscope insertion tube may further include a recovery cover overlaid on the outside of the fitting member and the protective cover so that the contamination source on the fitting member and the protective cover is not exposed to the outside after the endoscopy procedure.
  • the recovery cover is formed of a cylindrical flexible material, and has a binding string at the inlet portion fitted with the protective cover. there is.
  • Disposable endoscope cover mounting and removal method includes the steps of inserting a fitting member with a protective cover rolled in a ring shape to the outside of the endoscope insertion tube to the vicinity of the endoscope body to which the endoscope insertion tube is connected;
  • the step of releasing the protective cover while pushing it down and overlying the protective cover up to the end of the endoscope insertion tube is, It is not possible to prevent the adhesion of foreign substances.
  • the recovery cover In the step of overlaying the recovery cover on the outside of the protective cover after completion of the endoscopic procedure, the recovery cover may be covered while surrounding the entire protective cover and the fitting member.
  • the entire protective cover and the fitting member may be removed while entering the recovery cover without external contact.
  • the endoscope procedure is performed by inserting a fitting member on the outside of the endoscope cannula and covering the entirety except for the distal end of the endoscope cannula with a protective cover. After completion of the procedure, move to the washing room with the outside of the protective cover covered with the recovery cover and remove the fitting member and the protective cover through the recovery cover. Use and cleaning time can be minimized, and endoscope damage, health risks to medical staff, and environmental pollution can be reduced.
  • FIG. 1 is an exploded perspective view showing a state before mounting of a disposable endoscope cover according to the present invention.
  • Figure 2 is a perspective view showing the mounting state of the disposable endoscope cover according to the present invention.
  • FIG. 3 is an exploded perspective view showing a disposable endoscope cover according to the present invention.
  • FIG. 4 is a front view of the disposable endoscope cover according to the present invention before coupling.
  • FIG. 5 is a front view showing the coupling state of the disposable endoscope cover according to the present invention.
  • FIG. 6 is a cross-sectional view showing a disposable endoscope cover according to the present invention.
  • FIG. 7 is a front view showing the mounting state of the disposable endoscope cover according to the present invention.
  • FIG. 8 is a perspective view illustrating a cover for recovery of a disposable endoscope cover according to the present invention.
  • FIG. 9 is a front view showing the removal state of the disposable endoscope cover according to the present invention.
  • FIG. 10 is a cross-sectional view showing another example of the disposable endoscope cover according to the present invention.
  • FIG. 11 is a front view showing a mounting state of another example of the disposable endoscope cover according to the present invention.
  • FIG. 12 is a front view showing the removal state of another example of the disposable endoscope cover according to the present invention.
  • FIG. 13 is a flowchart illustrating a method for mounting and removing a disposable endoscope cover according to the present invention.
  • the expression 'and/or' is used in a sense including at least one of the elements listed before and after.
  • the expression 'connected/coupled' is used in a sense including being directly connected to another element or indirectly connected through another element.
  • the singular also includes the plural unless specifically stated otherwise in the phrase.
  • a component, step, operation, and element referred to as 'comprises' or 'comprising' refers to the presence or addition of one or more other components, steps, operation and element.
  • each layer (film), region, pattern or structure is “on” or “under/under” the substrate, each side (film), region, pad or patterns.
  • the description "formed on” includes both those formed directly or through another layer.
  • FIG. 1 is an exploded perspective view showing a state before mounting of a disposable endoscope cover according to the present invention
  • FIG. 2 is a perspective view showing a mounting state of a disposable endoscope cover according to the present invention
  • FIG. 3 is a disposable endoscope cover according to the present invention is an exploded perspective view showing a
  • FIG. 4 is a front view before coupling of the disposable endoscope cover according to the present invention
  • FIG. 5 is a front view showing the coupling state of the disposable endoscope cover according to the present invention
  • FIG. 6 is a disposable endoscope cover according to the present invention It is a cut-away view of the endoscope cover
  • FIG. 7 is a front view showing the mounting state of the disposable endoscope cover according to the present invention
  • FIG. 7 is a front view showing the mounting state of the disposable endoscope cover according to the present invention
  • FIG. 8 is a perspective view showing the recovery cover of the disposable endoscope cover according to the present invention
  • FIG. 9 is a front view showing the removal state of the disposable endoscope cover according to the present invention
  • Figure 10 is a cross-sectional view showing another example of the disposable endoscope cover according to the present invention
  • Figure 11 is another of the disposable endoscope cover according to the present invention It is a front view showing an example of a mounting state
  • FIG. 12 is a front view showing a removal state of another example of the disposable endoscope cover according to the present invention
  • FIG. 13 is a flowchart illustrating a method of mounting and removing the disposable endoscope cover according to the present invention .
  • the disposable endoscope cover according to the present invention may include a fitting member 100 , a protective cover 200 , and a recovery cover 300 .
  • the fitting member 100 may be fitted into the outer surface of the endoscope insertion tube 20 connected to the endoscope body 10 .
  • fitting member 100 may be formed in the same cylindrical shape as the endoscope insertion tube (20).
  • the fitting member 100 may have an inner diameter larger than the outer diameter of the endoscope insertion tube 20 so as to be smoothly fitted into the endoscope insertion tube 20 .
  • fitting member 100 is fitted to the vicinity of the endoscope body 10 so that the protective cover 200 can be overlaid on the entire endoscope insertion tube 20 when it is inserted into the endoscope insertion tube 20 .
  • the protective cover 200 is rolled to the outside of the fitting member 100 in the form of a ring, and when the fitting member 100 is inserted into the endoscope insertion tube 20, it is loosened to cover the entire exterior of the endoscope insertion tube 20. It can be overlaid and combined.
  • the protective cover 200 can suppress the propagation of contaminants and is a material that is smaller than the diameter of the endoscope insertion tube 20 and is harmless to the human body so that it is elastically adhered to the endoscope insertion tube 20 and does not slip during operation and is easy to operate. It is preferable to be formed of a material having excellent elasticity. For example, it is preferable to be formed of a material such as latex harmless to the human body or non-toxic silicone.
  • the protective cover 200 may be formed so that the distal end of the endoscope insertion tube 20 is not covered with an open end.
  • the portion of the protective cover 200 that is not rolled in a ring shape may be formed in close contact with the outer surface of the fitting member 100 .
  • the fitting member 100 and the protective cover 200 are coupled to the endoscope insertion tube 20 as shown in FIG. After performing an endoscopic procedure, the fitting member 100 and the protective cover 200 may be removed together using the recovery cover 300 described below as in FIG. 9 after the procedure.
  • the protective cover 200 may be formed so that both ends are rolled up in a ring shape while being covered with the outside of the fitting member 100 .
  • the protective cover 200 both ends of which are rolled in a ring shape, the rolled part of one side is released during the endoscopic procedure and is overlaid on the outside of the endoscope insertion tube 20, and the rolled part of the other side is the endoscope after the endoscopic procedure.
  • the portion overlaid on the insertion tube 20 may be rolled up and removed from the endoscope insertion tube 20 .
  • the protective cover 200 is formed to be separated from the fitting member 100 and is a rolled part on one side.
  • the fitting member 100 can be removed from the endoscope insertion tube 20 and then endoscopic surgery can be performed.
  • the protective cover 200 is overlaid on the endoscope insertion tube 20 and the other side is the endoscope insertion tube 20 .
  • the protective cover 200 is wrapped and pushed with the recovery cover 300 described below. It is pulled out from the endoscope insertion tube 20 while rolling.
  • the fitting member 100 and the protective cover 200 are packaged and supplied in a sterile state.
  • the recovery cover 300 includes the fitting member 100 and the protective cover 200 fitted to the endoscope insertion tube 20 to prevent the contaminants on the protective cover 200 from being exposed to the outside after the endoscopy procedure. ) can be overwritten on the outside.
  • the recovery cover 300 is preferably formed of a cylindrical flexible material. For example, most vinyl or paper materials are possible. It is preferable to provide an elastic ring or a tying string 310 at the inlet portion fitted with the protective cover 200 .
  • the inlet portion can be in close contact with the endoscope insertion tube 20 by tightening the bundle 310 .
  • the protective cover 200 can be moved by covering the outside of the protective cover 200 so that the contaminant on the surface does not come into contact with the outside.
  • the protective cover 200 rolled in a ring shape is covered on the outside of the fitting member 100 and the fitting member 100 is removed from the endoscope insertion tube 20 .
  • the fitting member 100 can be fitted up to the vicinity of the endoscope body 10 to which the endoscope insertion tube 20 is connected.
  • the contact surface of the hand is generated inside the unwinding portion of the protective cover 200 , and the outer surface of the protective cover 200 . Since it does not come into contact with silver, it is possible to prevent the adhesion of foreign substances.
  • the protective cover 200 is overlaid on the outside of the endoscope insertion tube 20, the end of the endoscope insertion tube 20 is opened without blocking, so that suction, biopsy, air, water injection according to the endoscopic procedure etc. can be implemented.
  • recovery cover 300 may be covered while enclosing the entire protective cover 200 .
  • the endoscope insertion tube 20 is separated from the endoscope body 10 and the endoscope insertion tube 20 covered with the recovery cover 300 is removed.
  • the protective cover 200 together with the recovery cover 300 may be removed from the endoscope insertion tube 20 (S400).
  • the operating state of the disposable endoscope cover according to the present invention is as follows.
  • the fitting member 100 is fitted to the outside of the endoscope insertion tube 20 connected to the endoscope body 10 and inserted into the operator's body, and the fitting member 100 is in close contact with the outside of the fitting member 100 and rolled into a ring shape.
  • the cover 200 By releasing the cover 200 , the entire outside of the endoscope insertion tube 20 is covered with the protective cover 200 .
  • the endoscope insertion tube 20 is not in contact with the operator's mucous membrane because the endoscope operation is performed in a state in which the protective cover 200 is overlaid to cover the outside of the endoscope insertion tube 20. This will not be contaminated.
  • the protective cover 200 is overlaid with the endoscope insertion tube 20
  • the distal end section of the endoscope insertion tube 20 is opened without being covered, so that the endoscopic biopsy and the use of suction ports, air, water nozzles, etc. This becomes possible.
  • a recovery cover 300 is overlaid on the outside of the protective cover 200, and then the endoscope insertion tube 20 ) is separated from the endoscope body 10 and moved to the washing room.
  • the endoscope insertion tube 20 is moved to the washing room with the recovery cover 300 covered, and the recovery cover 300 is pulled to pull the protective cover 200 and the fitting member covered on the endoscope insertion tube 20. (100) can be removed.
  • the tying string 310 is released to widen the inlet portion of the recovery cover 300 as wide as possible to remove the recovery cover 300. It can be inserted smoothly, and after the recovery cover 300 is overlaid on the protective cover 200, the binding string 310 is tightened so that the inlet portion of the recovery cover 300 is inserted into the endoscope insertion tube 20 as much as possible.
  • the protective cover 200 easily comes with it, enters the recovery cover 300, and can be removed from the endoscope insertion tube 20.
  • the endoscopic procedure is performed in a state in which the endoscope insertion tube 20 is overlaid with the sterilized protective cover 200, thereby minimizing the contaminated site of the endoscope insertion tube 20 to increase disinfection efficiency, waste of medical resources and damage to nature
  • the contaminated protective cover 200 is wrapped with the recovery cover 300, and then the endoscope insertion tube 20 is moved to the washing room to prevent contamination during movement, and the contaminated protective cover 200 is Parts can be removed without being exposed, minimizing the risk of infection contamination.

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

Abstract

La présente invention concerne une gaine d'endoscope jetable qui peut être installée sur un endoscope et retirée d'un endoscope qui est inséré dans le corps d'un patient ou d'une personne devant être examiné de manière à ce que l'endoscope ne soit pas contaminé et un procédé destiné à l'installation et au retrait de celui-ci, la gaine d'endoscope jetable consistant : en un élément d'insertion qui est placé sur la surface extérieure d'un tube d'insertion de l'endoscope relié à un corps principal de l'endoscope; et en une gaine protectrice qui est enroulée et déroulée en une forme d'anneau sur la partie extérieure de l'élément d'insertion pour être superposée sur le tube d'insertion de l'endoscope sur toute la longueur totale. L'invention concerne également, un procédé destiné à l'installation et au retrait d'une gaine d'endoscope jetable selon la présente invention qui consiste : en une étape consistant à mettre en place l'élément d'insertion, sur lequel la gaine protectrice est enroulée sous la forme d'un anneau, sur l'extérieur du tube d'insertion de l'endoscope jusqu'à une partie du corps principal de l'endoscope auquel le tube d'insertion de l'endoscope est relié; lorsque l'élément d'insertion est placé sur le tube d'insertion de l'endoscope, en une étape consistant à recouvrir la gaine protectrice sur la partie d'extrémité du tube d'insertion de l'endoscope en déroulant la gaine protectrice enroulée sur l'élément d'insertion; lorsqu'une opération d'endoscopie est terminée tandis que le tube d'insertion de l'endoscope est gainé avec la gaine protectrice, en une étape consistant à recouvrir une gaine collectrice sur l'extérieur de la gaine protectrice; et en une étape consistant à séparer le tube d'insertion de l'endoscope du corps principal tandis que la gaine collectrice est placée sur la gaine collectrice, à déplacer le tube d'insertion de l'endoscope vers une chambre de lavage et à retirer la gaine protectrice du tube d'insertion de l'endoscope conjointement avec la gaine collectrice.
PCT/KR2021/012028 2020-09-14 2021-09-06 Gaine d'endoscope jetable et procédé destiné à l'installation et au retrait de celle-ci Ceased WO2022055199A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200117829A KR102226947B1 (ko) 2020-09-14 2020-09-14 일회용 내시경 커버 및 그 장착 제거방법
KR10-2020-0117829 2020-09-14

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WO2022055199A1 true WO2022055199A1 (fr) 2022-03-17

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WO (1) WO2022055199A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240129458A (ko) 2023-02-20 2024-08-27 정일진 이비인후과 스프레이 위생 커버
CN119302587B (zh) * 2024-12-13 2025-04-29 湖南省华芯医疗器械有限公司 插入部膜组件及内镜组件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0767830A (ja) * 1993-09-01 1995-03-14 Fuji Photo Optical Co Ltd 内視鏡の汚損防止機構
JPH0742401Y2 (ja) * 1990-02-01 1995-10-04 株式会社町田製作所 内視鏡カバー
US20030069472A1 (en) * 2000-03-23 2003-04-10 John Butler Insertion device for an endoscope
JP2003250749A (ja) * 2002-03-06 2003-09-09 Pentax Corp 内視鏡の挿入部に対する汚染防止シースの被覆方法
KR20080052839A (ko) * 2006-12-08 2008-06-12 우병선 일회용 내시경 보호랩

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101011747B1 (ko) 2008-11-24 2011-02-07 김학승 내시경 삽입관의 보호커버 씌움장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0742401Y2 (ja) * 1990-02-01 1995-10-04 株式会社町田製作所 内視鏡カバー
JPH0767830A (ja) * 1993-09-01 1995-03-14 Fuji Photo Optical Co Ltd 内視鏡の汚損防止機構
US20030069472A1 (en) * 2000-03-23 2003-04-10 John Butler Insertion device for an endoscope
JP2003250749A (ja) * 2002-03-06 2003-09-09 Pentax Corp 内視鏡の挿入部に対する汚染防止シースの被覆方法
KR20080052839A (ko) * 2006-12-08 2008-06-12 우병선 일회용 내시경 보호랩

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