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WO2009005276A2 - Section de pliage pour endoscope - Google Patents

Section de pliage pour endoscope Download PDF

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Publication number
WO2009005276A2
WO2009005276A2 PCT/KR2008/003842 KR2008003842W WO2009005276A2 WO 2009005276 A2 WO2009005276 A2 WO 2009005276A2 KR 2008003842 W KR2008003842 W KR 2008003842W WO 2009005276 A2 WO2009005276 A2 WO 2009005276A2
Authority
WO
WIPO (PCT)
Prior art keywords
bending
wire holes
internal hole
endoscope
connection
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/KR2008/003842
Other languages
English (en)
Other versions
WO2009005276A3 (fr
Inventor
Sung Yong Lee
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.)
Caretek Co Ltd
Original Assignee
Caretek Co Ltd
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 Caretek Co Ltd filed Critical Caretek Co Ltd
Publication of WO2009005276A2 publication Critical patent/WO2009005276A2/fr
Publication of WO2009005276A3 publication Critical patent/WO2009005276A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A61B1/005—Flexible endoscopes
    • A61B1/0051—Flexible endoscopes with controlled bending of insertion part
    • A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
    • 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
    • A61B1/005—Flexible endoscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports

Definitions

  • the present invention relates to a bending section for an endoscope that enables a camera device to be freely bent in desired directions in an endoscope for enabling a user to image and observe a narrow internal space of a human body or a machine.
  • an endoscope In a medical industry, an endoscope enables a user to observe the inside of a human body (e.g., stomach, bronchus, esophagus, large intestine, small intestine, etc.) using a small camera and check abnormality thereof without cutting the human body, for example, through surgery or autopsy.
  • a human body e.g., stomach, bronchus, esophagus, large intestine, small intestine, etc.
  • the endoscope is widely used in a variety of industries, including the medical industry, to observe the inside of a precise machine without disassembling it or observe abnormality of the inside of pipes.
  • a typical endoscope apparatus has a camera mounted at an end of a bending device, which includes an image data transfer wire for transferring an image photographed by the camera, a power supply wire for supplying power to the camera, and adjustment wires for adjusting bending of the bending device.
  • a user inserts the camera into a specific part of a human body or an observation destination of a machine, and pulls the adjustment wires to change or adjust a photographing direction or angle of the camera when the camera arrives at a proper location.
  • the bending mechanism includes a plurality of pipes interconnected by connection members, such as pins, and bending gears.
  • the present invention provides a bending device for an endoscope that has promptness for rapid driving with various wires inserted into the bending device being included in a sufficiently extended internal hole in a stable state, has such a high flexibility that a bending direction or angle can be freely adjusted and controlled, and has a simple and inexpensive structure.
  • the present invention discloses a bending device for an endoscope, including: a hard bending plate 10 having an internal hole 11 formed at a center thereof and a plurality of wire holes 12 formed around the internal hole 11; and a soft bending member 20 having an internal hole 21 formed at a center thereof, a plurality of wire holes 22 formed around the internal hole 21, and a pair of protruded portions 24 formed at one opposite locations on one surface thereof and protruded in a vertical direction, wherein adjustment wires 15 are inserted into and pass through the respective wire holes 12 and 22, and wherein a plurality of bending plates 10 and a plurality of bending members 20 are alternately stacked, resulting in a bending connection 1, and a camera 30 is provided on one end of the bending connection 1.
  • the respective wire holes 12 and 22 are formed at four positions in a cross direction, two of the wire holes being formed at locations of the pair of protruded portions 24.
  • a pair of coupling grooves 23, depressed inward, may be formed on the other surface of the respective protruded portions 24, and a pair of coupling bosses 13 are protruded from one surface of the bending plate 10 and inserted into the respective coupling grooves 23 in order to prevent a change in a stack location upon stacking.
  • the bending device for an endoscope has an internal hole having a sufficient size so that a photographing data transfer wire, a power supply wire and the like are disposed inside the bending device, and has a minimized external diameter for promptness and miniaturization such that the bending device can be rapidly driven in a stable state and used optimally with improved promptness in any environments.
  • the bending device is flexible so that it can be freely bent in two or four directions by adjusting the adjustment wires disposed inside the bending device. This allows for easy observation irrespective of the location of a subject. In addition, the bending device is less likely to malfunction because of its simple structure.
  • FIG. 1 is an exploded perspective view illustrating a structure of a bending device for an endoscope according to an embodiment of the present invention
  • FIG. 2 is an assembled perspective view illustrating a stack structure of a bending device for an endoscope according to an embodiment of the present invention
  • FIG. 3 is an assembled perspective view illustrating a structure of a bending device for an endoscope according to an embodiment of the present invention.
  • FIG. 4 is a perspective view illustrating bending directions and use of a bending device for an endoscope according to an embodiment of the present invention.
  • FIG. 1 is an exploded perspective view illustrating a structure of a bending device for an endoscope according to an embodiment of the present invention
  • FIG. 2 is an assembled perspective view illustrating a stack structure of a bending device for an endoscope according to an embodiment of the present invention
  • FIG. 3 is an assembled perspective view illustrating a structure of a bending device for an endoscope according to an embodiment of the present invention.
  • the bending device for an endoscope of the present invention includes a bending plate 10, and an elastic soft bending member 20, such as rubber, silicon, foam resin, or the like.
  • the bending plate 10 and bending member 20 are sequentially stacked to form a bending connection 1.
  • the bending plate 10 has an internal hole 11 formed at its center for accommodating and guiding various wires for supplying power to a camera for an endoscope (see FIG. 4) or transferring an image signal photographed by the camera, and a plurality of wire holes 12 punched around the internal hole 11.
  • the bending plate 10 is made of a hard material, such as synthetic resin, metal, ceramic, or the like, unlike the soft bending member 20.
  • the wire holes 12 formed in the bending plate 10 may be formed at four positions at intervals of 90° in a cross direction.
  • a pair of opposite wire holes 12 is located in coupling bosses 13 protruded from a surface of the bending plate 10 in a vertical direction.
  • the bending member 20 includes an internal hole 21 formed at its center for accommodating and guiding the various wires for supplying power to the camera for an endoscope (see FIG. 4) or transferring the image signal photographed by the camera, and a plurality of wire holes 22 punched around the internal hole 21.
  • These wire holes 22 correspond in position to the wire holes 12 formed in the bending plate 10.
  • the wire holes 22 of the bending member 20 may also be formed at four positions at intervals of 90° in a cross direction, as shown in FIG. 1.
  • the bending member 20 further includes protruded portions 24 formed at opposite locations in a 180° direction and protruded from a surface of the bending member 20 in a vertical direction.
  • the bending member 20 further includes coupling grooves 23 depressed inward on one surface of the bending member 20 for accommodating the coupling bosses 13.
  • the coupling grooves 23 are depressed toward the protruded portions 24 from the other surface of the protruded portions 24, so that the bending member 20 has a uniform thickness over its entire surface.
  • wire holes 12 are punched in the coupling bosses 13
  • wire holes 22 are also punched in the coupling grooves 23 of the protruded portions 24.
  • the pair of protruded portions 24 may be cross-stacked, with the wire holes 12 and 22 at the four positions coinciding with each other, as shown in FIG. 2.
  • FIG. 4 is a perspective view illustrating bending directions and use of a bending device for an endoscope according to an embodiment of the present invention.
  • a camera 30 is mounted on one end of the bending connection 1 and a tube 40 is connected to the other end.
  • a power supply wire for supplying power to the camera 30
  • an image data transfer (not shown) wire for transferring an image photographed by the camera 30
  • the adjustment wires 15 passing through the respective holes 12 and 22 of the bending connection 1 for adjusting bending of a photographing direction or angle of the camera 30 are included inside the tube 40.
  • bending operation of the bending connection 1 will be described with reference to FIGS. 3 and 4. As indicated by an arrow in FIG.
  • a bottom of the first bending connection Ia is brought into contact with the protruded portions 24 of the second bending connection Ib so that the first bending connection Ia is slantingly rotated in two directions about the pair of protruded portions 24 while a bottom of the second bending connection Ib is brought into contact with the protruded portions 24 of the first bending connection Ia so that the second bending connection Ib can be slantingly rotated in two directions about the pair of protruded portions 24.
  • respective slanting rotation directions of the first bending connections Ia and the second bending connections Ib cross, allowing the camera 30 to be bent in four directions, as in FIG. 4.
  • the soft bending member 20 is elastic to elastically support the hard bending plate 10, such that the bending connection 1 can be flexibly bent.
  • the bending plate 10 and the bending member 20 may be in any one of a variety of shapes, such as of circular, elliptic, lozenge, and rectangular shapes. Preferably, they are in a circular shape for a maximal bending effect, but not limited thereto. For example, when the bending plate 10 and the bending member 20 may be in a triangular, lozenge or rectangular shape, they are machined to be rounded at their edges not to obstruct the bending operation.

Landscapes

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

Abstract

L'invention concerne un dispositif de pliage pour endoscope ayant une caméra placée à une extrémité destinée à photographier l'intérieur du corps humain, une machine, un tuyau et analogue. Pour le pliage souple avec le plus petit diamètre externe et le plus grand diamètre interne étendu et une sélection libre de directions de pliage, le dispositif de pliage comporte une plaque de pliage dure (10) présentant un trou interne (11) formé en son centre et plusieurs trous à fils (12) formés autour du trou interne (11); et un élément de pliage mou (20) présentant un trou interne (21) en son centre, plusieurs trous à fils (22) formés autour du trou interne (21), et deux parties saillantes (24) formées à un emplacement opposé sur une des leurs surfaces et saillant dans une direction verticale, les fils de réglage (15) étant introduits et traversant les trous à fils correspondants (12) et (22), et plusieurs plaques de pliage (10) et éléments de pliage (20) étant empilés en alternance, le résultat étant une connexion de pliage (1), et une caméra (30) étant placée à une extrémité de la connexion de pliage (1). Ainsi, on peut obtenir rapidité, confort et souplesse en suffisance au niveau de la prise de vue intérieure.
PCT/KR2008/003842 2007-07-03 2008-06-30 Section de pliage pour endoscope Ceased WO2009005276A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2007-0066559 2007-07-03
KR1020070066559A KR100867658B1 (ko) 2007-07-03 2007-07-03 내시경용 구부림 장치

Publications (2)

Publication Number Publication Date
WO2009005276A2 true WO2009005276A2 (fr) 2009-01-08
WO2009005276A3 WO2009005276A3 (fr) 2009-03-12

Family

ID=40226658

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/003842 Ceased WO2009005276A2 (fr) 2007-07-03 2008-06-30 Section de pliage pour endoscope

Country Status (2)

Country Link
KR (1) KR100867658B1 (fr)
WO (1) WO2009005276A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8617056B2 (en) 2010-02-25 2013-12-31 Henke-Sass, Wolf Gmbh Endoscope
US8720762B2 (en) 2011-06-17 2014-05-13 Blue Force Gear, Inc. Load carrier systems and associated manufacturing methods
CN107884923A (zh) * 2017-11-08 2018-04-06 深圳杰泰科技有限公司 一种内窥镜

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101563175B1 (ko) 2014-02-24 2015-11-06 (주) 태웅메디칼 내시경용 오버튜브
KR101759184B1 (ko) 2015-09-30 2017-07-18 주식회사 옵티메드 내시경 말단 관절 장치
KR101699803B1 (ko) * 2016-04-29 2017-01-26 주식회사 케이지테크 펜스용 cctv 카메라

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716612B1 (fr) 1994-02-25 1996-04-26 Vermon Endoscope d'échographie ultrasonore.
JP2000254096A (ja) 1999-03-08 2000-09-19 Fuji Photo Optical Co Ltd 内視鏡の挿入部
KR100596457B1 (ko) * 2005-06-27 2006-07-04 이성용 내시경을 포함하는 카메라 영상장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8617056B2 (en) 2010-02-25 2013-12-31 Henke-Sass, Wolf Gmbh Endoscope
US8720762B2 (en) 2011-06-17 2014-05-13 Blue Force Gear, Inc. Load carrier systems and associated manufacturing methods
CN107884923A (zh) * 2017-11-08 2018-04-06 深圳杰泰科技有限公司 一种内窥镜

Also Published As

Publication number Publication date
WO2009005276A3 (fr) 2009-03-12
KR100867658B1 (ko) 2008-11-10

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