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WO2013065509A1 - Outil d'introduction d'instrument destiné à être utilisé avec un endoscope - Google Patents

Outil d'introduction d'instrument destiné à être utilisé avec un endoscope Download PDF

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Publication number
WO2013065509A1
WO2013065509A1 PCT/JP2012/077145 JP2012077145W WO2013065509A1 WO 2013065509 A1 WO2013065509 A1 WO 2013065509A1 JP 2012077145 W JP2012077145 W JP 2012077145W WO 2013065509 A1 WO2013065509 A1 WO 2013065509A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope
tool
treatment
insertion tool
treatment instrument
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/JP2012/077145
Other languages
English (en)
Japanese (ja)
Inventor
大輔 菊池
義彦 日村
齋藤　浩
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.)
Top KK
Original Assignee
Top KK
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 Top KK filed Critical Top KK
Priority to JP2013541704A priority Critical patent/JP5993864B2/ja
Publication of WO2013065509A1 publication Critical patent/WO2013065509A1/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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00066—Proximal part of endoscope body, e.g. handles
    • 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
    • A61B1/00147—Holding or positioning arrangements
    • A61B1/00154—Holding or positioning arrangements using guiding arrangements for insertion
    • 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
    • A61B1/012—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 characterised by internal passages or accessories therefor
    • A61B1/018—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 characterised by internal passages or accessories therefor for receiving instruments

Definitions

  • the present invention relates to an endoscope treatment instrument insertion tool.
  • Endoscopes are generally equipped with a forceps port, and a treatment tool such as a puncture needle or forceps is inserted through a forceps channel connected to the forceps port while grasping a region to be inspected or treated under the endoscope field of view. By doing so, treatments such as tissue sampling, foreign body extraction, hemostasis, crushed stone, or quarrying can be performed.
  • a treatment tool such as a puncture needle or forceps is inserted through a forceps channel connected to the forceps port while grasping a region to be inspected or treated under the endoscope field of view.
  • treatments such as tissue sampling, foreign body extraction, hemostasis, crushed stone, or quarrying can be performed.
  • the forceps channel is formed inside the endoscope and has a small diameter and a treatment tool that can be inserted is limited, a guide tube having a larger diameter along the axial direction is attached to the outside of the endoscope. A treatment instrument is also inserted through the guide tube.
  • an endoscope is inserted at the site to be treated.
  • the endoscope visual field is once fixed at the site, and then the right hand is released from the flexible portion, and the treatment tool is inserted through the forceps channel or the guide tube.
  • a slit is provided along the axial direction on the outer peripheral surface of the guide tube, and the treatment tool is held and fixed by a clip-shaped auxiliary tool inserted from the slit. What was made is known (refer patent document 1).
  • the conventional endoscope treatment tool insertion tool has a disadvantage in that when adjusting the endoscope visual field, the hand holding the flexible portion must be released in order to operate the clip-shaped auxiliary tool. There is.
  • the present invention eliminates such inconvenience and can fix the treatment tool while holding the flexible portion of the endoscope, and can adjust the endoscope visual field by moving the treatment tool forward and backward. It aims at providing the treatment tool insertion tool for endoscopes.
  • the present invention provides an endoscope that is attached to a guide tube that is attached along the axial direction to the outside of an endoscope and through which the treatment instrument is inserted, and that allows the treatment instrument to be operated in the axial direction.
  • a treatment instrument insertion tool for a mirror a hand operating part that is detachably connected to a proximal end part of the guide tube, a window part formed along an axial direction of the hand operating part, and along the window part And a fixing member that is slidably provided and fixes the treatment instrument.
  • the endoscope treatment tool insertion tool of the present invention fixes the treatment tool by a fixing member provided in the hand operation section. At this time, since the hand operation part is connected to the proximal end part of the guide tube, it can be grasped together with the flexible part of the endoscope. Therefore, according to the endoscope treatment tool insertion tool of the present invention, the treatment tool can be fixed while holding the flexible portion of the endoscope.
  • the treatment tool can be advanced and retracted within the range of the length of the window portion while the treatment tool is fixed. Therefore, according to the endoscope treatment tool insertion tool of the present invention, the endoscope visual field can be adjusted by moving the treatment tool forward and backward while holding the flexible portion of the endoscope.
  • the projection length of the treatment instrument with respect to the endoscope distal end portion is limited, and the treatment instrument is inadvertently projected. Can be prevented.
  • the hand operation unit is detachably attached to the proximal end portion of the guide tube, a guide tube having a different length can be selected according to a site to be examined or treated, or the endoscope It is possible to prevent erroneous insertion into the mouth of the subject together with the soft part.
  • the fixing member includes a first tubular portion through which the treatment tool is inserted and an elastic member pressed against the treatment tool; It is preferable to include a second tubular part through which the treatment tool is inserted and a second fixing tool including a pressure contact part that presses the elastic member against the treatment tool.
  • the second fixing tool is moved in the direction of the first fixing tool along the treatment tool, and the elastic member is pressed against the treatment tool by the pressing member,
  • the treatment tool can be fixed.
  • the first fixing tool and the second fixing tool are integrated by pressing the elastic member against the treatment tool by the pressing member. Therefore, it is possible to easily perform the operation of moving the treatment tool forward and backward by sliding the first and second fixing tools along the window portion.
  • the first fixing tool includes a plurality of elastic members protruding at a predetermined length from an end of the first tubular portion.
  • the second fixing member is disposed on the side of the first fixing member on which the elastic member protrudes, and is gradually contracted along the direction in which the elastic member protrudes on the inner surface side of the second tubular portion. It is preferable to provide a pressure contact portion made of a tapered surface that is diametrical.
  • the pressure contact portion formed of the tapered surface formed on the inner surface side of the second tubular portion is fitted into the elastic member of the second fixture.
  • the elastic member is pressed against the treatment instrument by the pressure contact portion and the diameter of the treatment instrument is within a range that can be inserted into the first and second tubular parts, the diameter of the treatment instrument is not affected.
  • the treatment tool can be fixed.
  • the first fixing tool includes a finger hook portion and the second fixing tool includes a rib protruding outward from the window portion.
  • the hand operation unit includes a mounting member to be mounted on an outer peripheral surface of the endoscope.
  • the hand operating part can be attached to the outer peripheral surface of the endoscope, so that the hand operating part can be easily grasped together with the flexible part of the endoscope.
  • the top view which shows the treatment tool insertion tool for endoscopes of this invention is a side view which shows the treatment tool penetration tool for endoscopes of this invention, (b) And (c) is explanatory sectional drawing which expands and shows a part of (a).
  • (A) is a top view of the treatment tool insertion tool for endoscopes of this invention, (b) is the III-III sectional view taken on the line of (a).
  • the top view which shows the state which hold
  • Explanatory sectional drawing which shows the action
  • the side view which shows one usage method of the treatment tool insertion tool for endoscopes of this invention.
  • the endoscope treatment instrument insertion tool 1 includes a hand operation section 3 that is detachably connected to a proximal end portion of a guide tube 2.
  • the guide tube 2 is inserted with a treatment instrument 4 such as a puncture needle and forceps, and is provided with a detachable hood 5 at the distal end, and the hood 5 is attached to the distal end of the endoscope 6 as shown in FIG. By being fitted to the part, it is attached to the outside of the endoscope 6 along the axial direction.
  • the inner peripheral surface 5a of the hood 5 may be parallel to the outer peripheral surface of the endoscope 6 as shown in FIG. 2 (b), and further taper to the tip as shown in FIG. 2 (c).
  • the guide surface 5b may be provided.
  • the guide surface 5b is reduced in diameter from the proximal end side toward the distal end side so as to become smaller in diameter toward the distal end side.
  • the treatment tool 4 protrudes in parallel to the outer peripheral surface of the endoscope 6 as shown in FIG.
  • the inner peripheral surface 5a of the hood 5 is provided with a tapered guide surface 5b at the distal end of the portion parallel to the outer peripheral surface of the endoscope 6, the treatment instrument 4 is guided by the guide surface 5b. It protrudes toward the center of the endoscope 6. Therefore, when the inner peripheral surface 5a of the hood 5 is provided with the guide surface 5b, the treatment instrument 4 can be made to appear and disappear in a state close to the case of protruding from the forceps opening of the endoscope 6.
  • the hand operation unit 3 includes a window portion 7 formed along the axial direction and a fixing member 8 provided slidably along the window portion 7.
  • the fixing member 8 includes a first fixing tool 9 and a second fixing tool 10.
  • the first fixture 9 includes a finger hook portion 9a outside the window portion 7.
  • the finger hook portion 9a includes a curved portion 9b formed in a streamlined shape toward the left side toward the tip portion, and a concave portion 9c on the top surface. It has a configuration that makes it easy to put a finger on it.
  • the second fixture 10 is disposed on the distal end side of the first fixture 9, and includes an operation portion 10a outside the window portion 7.
  • the operation portion 10a has a rib 10b protruding outward. It has.
  • the hand operation unit 3 includes a pair of mounting members 11 and 12 and is mounted on the outer peripheral surface of the endoscope 6 by the mounting members 11 and 12.
  • the mounting members 11 and 12 have, for example, an arc shape along the outer peripheral surface of the endoscope 6 and are formed by an elastic member that is biased toward the endoscope 6 side.
  • the hand operation unit 3 has a cylindrical shape, includes the window portion 7 on the top surface, an insertion port 13 into which the treatment instrument 4 is inserted at the proximal end portion, and a distal end portion.
  • a connection hole 14 to which the guide tube 2 is connected is provided.
  • the first fixture 9 includes a first tubular portion 9d that is connected to the finger rest portion 9a across the window portion 7.
  • the first tubular portion 9d is inserted with the treatment instrument 4 and is slidable along the axial direction of the treatment instrument 4.
  • a pair of elastic members 9e and 9f pressed against the treatment instrument 4 are provided at the distal end portion of the first tubular portion 9d so as to protrude with a predetermined length in the distal end portion direction.
  • the second fixing tool 10 includes a second tubular portion 10c that is connected to the operation portion 10a across the window portion 7.
  • the treatment instrument 4 is inserted through the second tubular portion 10 c and is slidable along the axial direction of the treatment instrument 4.
  • the inner peripheral surface of the second tubular portion 10c is a tapered surface 10d whose diameter decreases along the direction in which the elastic members 9e and 9f protrude, in other words, from the base end portion toward the tip end portion,
  • the tapered surface 10d forms a pressure contact portion that is fitted to the elastic members 9e and 9f and presses the elastic members 9e and 9f against the treatment instrument 4.
  • the endoscope treatment tool insertion tool 1 When operating the treatment instrument insertion tool 1 for an endoscope, for example, while operating the operation part (not shown) of the endoscope 6 with the left hand, the hand operating part 3 is grasped with the flexible part of the endoscope 6 with the right hand. Then, the endoscope 6 and the guide tube 2 are inserted into the body of the subject. A required treatment instrument 4 is inserted in the guide tube 2 in advance.
  • the hand operation unit 3 is held with the right hand H together with the endoscope 6 (not shown), and the second finger b of the right hand is placed on the bottom surface of the hand operation unit 3.
  • the fourth finger d and the fifth finger e grip the proximal end portion of the hand operation unit 3 together with the endoscope 6.
  • the third finger c holds the first fixture 9 by pressing the concave portion 9c via the curved portion 9b of the finger-hanging portion 9a, and the first finger a operates the rib 10b of the operation portion 10a.
  • the second fixture 10 is moved forward and backward with respect to the first fixture 9.
  • the treatment tool 4 is fixed with the endoscope visual field fixed.
  • the operation for fixing the treatment tool 4 is performed by operating the second fixing tool 10 in the vicinity of the first fixing tool 9 in the hand operation unit 3 as described above.
  • the tapered surface 10 d of the second fixture 10 is fitted into the elastic members 9 e and 9 f of the first fixture 9, and the elastic members 9 e and 9 f are attached to the treatment instrument 4.
  • the first and second fixtures 9 and 10 are integrated while being pressed.
  • the treatment tool 4 can be fixed by the first and second fixing tools 9 and 10 while holding the flexible portion of the endoscope 6.
  • the first and second fixtures 9 and 10 are slidable along the window portion 7, the first and second fixtures 9 and 10 are advanced and retracted along the window portion 7.
  • the treatment tool 4 can be advanced and retracted within the range of the length of the window portion 7 together with the first and second fixing tools 9 and 10.
  • the endoscope visual field can be adjusted while holding the flexible portion of the endoscope 6.
  • the treatment tool 4 is inserted through the guide tube in advance, and the operator can operate the endoscope 6 alone. Does not require personnel. Therefore, labor costs can be saved.
  • the pair of upper and lower elastic members 9e and 9f are provided so as to protrude in the distal end portion direction, but the elastic members 9e and 9f may be provided so as to protrude in the proximal end portion direction.
  • the second fixture 10 is disposed on the distal end side of the first fixture 9, and the tapered surface 10d is formed so as to reduce in diameter from the distal end portion toward the proximal end portion.
  • a larger number of the elastic members may be provided along the outer peripheral surface of the treatment instrument 4.
  • the fixing member 8 is composed of the first and second fixing tools 9 and 10, but instead of this, a clip-like auxiliary tool described in Patent Document 1 may be used. Moreover, it is good also as what fixes the treatment tool 4 penetrated by this ring with the screw which drilled the screw hole in the ring and screwed together to this screw hole.
  • the ring may have a circular shape in cross section, or an arc shape lacking a part of the circular shape.
  • the guide tube 2 is attached to the outside of the endoscope 6 along the axial direction by fitting the hood 5 provided at the distal end portion to the distal end portion of the endoscope 6. It is described as a thing.
  • the endoscope treatment tool insertion tool 1 may be used by inserting the guide tube 2 into the forceps port 6a of the endoscope 6 with the hood 5 removed, as shown in FIG.
  • the hand operating unit 3 is mounted on the outer peripheral surface of the endoscope 6 by the mounting members 11 and 12, and the guide tube 2 is looped and inserted into the forceps port 6a.

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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)
  • Endoscopes (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un outil d'introduction d'instrument destiné à être utilisé avec un endoscope, au moyen duquel, tout en retenant une partie flexible d'un endoscope, il est possible d'ancrer un instrument et d'ajuster le champ de vision de l'endoscope, par l'extension et la rétraction de l'instrument. Un outil d'introduction d'instrument (1) destiné à être utilisé avec un endoscope est monté sur un tube de guidage (2) qui est monté sur un endoscope (6) le long de la direction axiale et dans lequel un instrument (4) est introduit, ledit outil d'introduction d'instrument (1) permettant la manipulation de l'instrument (4) dans la direction axiale. L'outil d'introduction d'instrument destiné à être utilisé avec l'endoscope comprend une partie de commande de poignée (3) qui est reliée de façon détachable à une partie d'extrémité de base du tube de guidage (2), une partie fenêtre (7) qui est formée le long de la direction axiale de la partie de commande de poignée(3), et un élément d'ancrage (8) qui est disposé de façon coulissante le long de la partie fenêtre (7).
PCT/JP2012/077145 2011-11-02 2012-10-19 Outil d'introduction d'instrument destiné à être utilisé avec un endoscope Ceased WO2013065509A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013541704A JP5993864B2 (ja) 2011-11-02 2012-10-19 内視鏡用処置具挿通具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-241288 2011-11-02
JP2011241288 2011-11-02

Publications (1)

Publication Number Publication Date
WO2013065509A1 true WO2013065509A1 (fr) 2013-05-10

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PCT/JP2012/077145 Ceased WO2013065509A1 (fr) 2011-11-02 2012-10-19 Outil d'introduction d'instrument destiné à être utilisé avec un endoscope

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JP (1) JP5993864B2 (fr)
WO (1) WO2013065509A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016146961A (ja) * 2015-02-12 2016-08-18 株式会社トップ 外科用処置具用補助具
JP2017099810A (ja) * 2015-12-04 2017-06-08 オリンパス株式会社 処置具挿通具
JP2017104185A (ja) * 2015-12-07 2017-06-15 オリンパス株式会社 処置具挿通具
WO2017104279A1 (fr) * 2015-12-18 2017-06-22 オリンパス株式会社 Dispositif d'insertion d'un instrument de traitement
JP2017121367A (ja) * 2016-01-07 2017-07-13 オリンパス株式会社 処置具挿通具
EP3202345A4 (fr) * 2014-09-30 2017-09-20 Fujifilm Corporation Dispositif chirurgical endoscopique et tube de manchon
US10159401B2 (en) 2014-12-10 2018-12-25 Olympus Corporation Assist device and endoscopic system
US10188271B2 (en) 2014-12-10 2019-01-29 Olympus Corporation Assist device and endoscope system
EP3735890A1 (fr) 2015-09-17 2020-11-11 Endomaster Pte Ltd Systéme d'endoscopie robotique souple amélioré
CN117122356A (zh) * 2023-08-23 2023-11-28 武汉柔内镜医疗科技有限公司 一种软组织扩张装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021868A2 (fr) * 2002-09-06 2004-03-18 C.R. Bard, Inc. Systeme de commande a accessoire endoscopique externe
JP2004254822A (ja) * 2003-02-25 2004-09-16 Pentax Corp 外套シース付内視鏡
WO2007080974A1 (fr) * 2006-01-13 2007-07-19 Olympus Medical Systems Corp. Endoscope de traitement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004021868A2 (fr) * 2002-09-06 2004-03-18 C.R. Bard, Inc. Systeme de commande a accessoire endoscopique externe
JP2004254822A (ja) * 2003-02-25 2004-09-16 Pentax Corp 外套シース付内視鏡
WO2007080974A1 (fr) * 2006-01-13 2007-07-19 Olympus Medical Systems Corp. Endoscope de traitement

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3202345A4 (fr) * 2014-09-30 2017-09-20 Fujifilm Corporation Dispositif chirurgical endoscopique et tube de manchon
US10188271B2 (en) 2014-12-10 2019-01-29 Olympus Corporation Assist device and endoscope system
US10159401B2 (en) 2014-12-10 2018-12-25 Olympus Corporation Assist device and endoscopic system
JP2016146961A (ja) * 2015-02-12 2016-08-18 株式会社トップ 外科用処置具用補助具
EP3735890A1 (fr) 2015-09-17 2020-11-11 Endomaster Pte Ltd Systéme d'endoscopie robotique souple amélioré
EP3735888A1 (fr) 2015-09-17 2020-11-11 Endomaster Pte Ltd Système d'endoscopie robotique souple amélioré
EP4166061A1 (fr) 2015-09-17 2023-04-19 EndoMaster Pte. Ltd. Systéme d'endoscopie robotique souple amélioré
JP2017099810A (ja) * 2015-12-04 2017-06-08 オリンパス株式会社 処置具挿通具
JP2017104185A (ja) * 2015-12-07 2017-06-15 オリンパス株式会社 処置具挿通具
JP6165398B1 (ja) * 2015-12-18 2017-07-19 オリンパス株式会社 処置具挿通具
WO2017104279A1 (fr) * 2015-12-18 2017-06-22 オリンパス株式会社 Dispositif d'insertion d'un instrument de traitement
JP2017121367A (ja) * 2016-01-07 2017-07-13 オリンパス株式会社 処置具挿通具
CN117122356A (zh) * 2023-08-23 2023-11-28 武汉柔内镜医疗科技有限公司 一种软组织扩张装置
CN117122356B (zh) * 2023-08-23 2024-04-09 武汉柔内镜医疗科技有限公司 一种软组织扩张装置

Also Published As

Publication number Publication date
JP5993864B2 (ja) 2016-09-14
JPWO2013065509A1 (ja) 2015-04-02

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