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WO2015174128A1 - Endoscope - Google Patents

Endoscope Download PDF

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Publication number
WO2015174128A1
WO2015174128A1 PCT/JP2015/056909 JP2015056909W WO2015174128A1 WO 2015174128 A1 WO2015174128 A1 WO 2015174128A1 JP 2015056909 W JP2015056909 W JP 2015056909W WO 2015174128 A1 WO2015174128 A1 WO 2015174128A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope
main body
operation unit
bending
unit main
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/JP2015/056909
Other languages
English (en)
Japanese (ja)
Inventor
安久井　伸章
鈴木　辰彦
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.)
Olympus Corp
Original Assignee
Olympus Corp
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 Olympus Corp filed Critical Olympus Corp
Priority to JP2015535639A priority Critical patent/JPWO2015174128A1/ja
Publication of WO2015174128A1 publication Critical patent/WO2015174128A1/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
    • 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

Definitions

  • This invention relates to the shape of the operation part connected with the insertion part of the endoscope inserted in a subject.
  • endoscopes that can be introduced into a subject have been widely used, for example, in the medical field or the industrial field, in order to observe a portion that is difficult to observe inside the subject, such as a living body or a structure. .
  • Such an endoscope insertion portion is provided with a bending portion for improving the insertion property and the observation property in the subject.
  • This bending portion is provided in the operation portion and is bent by the operating means.
  • Japanese Patent Application Laid-Open No. 2008-36355 discloses an endoscope technique in which a joystick-type bending operation instruction lever is provided on an operation unit as an operation unit for performing a bending operation on a bending unit of an insertion unit. Has been.
  • a conventional endoscope for a bronchus or urology generally has a configuration in which a bending portion is bent in two directions, ie, a vertical direction, but in recent years, a so-called joystick-type curve as disclosed in Patent Document 1 is used.
  • a so-called joystick-type curve as disclosed in Patent Document 1 is used.
  • conventional endoscopes for bronchial or urinary tracts use the left hand or the right hand as the standard for digestive organs, while the operator uses the left or right hand to operate the operating part. May be selectively performed.
  • a conventional endoscope for bronchus or urology sometimes performs a bending operation and a suction operation at the same time. Therefore, the conventional endoscope for bronchus or urology enables the surgeon to operate the bending operation instruction lever and the suction button with the same burden with either hand with the finger of the left or right hand holding the operation part. It was hoped to do.
  • An object of the present invention is to provide an endoscope with good operability in which the bending operation and the suction operation of the bending portion can be performed with the same burden with either hand.
  • An endoscope includes an operation unit that includes a gripping unit and an operation unit main body that are connected to an insertion unit having a bending portion and that is connected to the insertion unit from a distal end side, and the operation unit main body.
  • an operation unit that includes a gripping unit and an operation unit main body that are connected to an insertion unit having a bending portion and that is connected to the insertion unit from a distal end side, and the operation unit main body.
  • Joystick-type bending operation lever provided on the back side of the operation unit, and operation buttons provided on the front side of the operation unit main body, and left and right side surfaces on the front end side of the operation unit main body, respectively.
  • two guide recesses that are formed to bulge and guide a user's index finger holding the grip portion to the operation buttons.
  • the operation unit in an endoscope provided with a joystick-type bending operation means, the operation unit can be stably gripped by either the left or right hand, and the bending operation and the suction operation of the bending unit can be performed.
  • the front view which shows the external appearance structure of the endoscope of 1 aspect of this invention Same as above, rear view showing the external structure of the endoscope Same as above, a plan view showing the external configuration of the endoscope
  • the bottom view showing the external structure of the endoscope Same as above, right side view showing the external structure of the endoscope Same left side view showing the external structure of the endoscope
  • FIG. 1 is a front view showing the external configuration of the endoscope
  • FIG. 2 is a rear view showing the external configuration of the endoscope
  • FIG. 3 is a plan view showing the external configuration of the endoscope
  • FIG. 4 is an internal view
  • FIG. 5 is a right side view showing the external configuration of the endoscope
  • FIG. 6 is a left side view showing the external configuration of the endoscope.
  • An endoscope 1 according to this embodiment shown in FIGS. 1 to 6 is an electronic endoscope for bronchial or urological use, and has an insertion portion 2 formed in an elongated tubular shape and a proximal end of the insertion portion 2.
  • An operation unit 3 provided in series, a universal cord 4 which is an endoscope cable extending from the operation unit 3, and an endoscope connector 5 disposed at the tip of the universal cord 4 are provided. It is configured.
  • the insertion portion 2 of the endoscope 1 is configured by a flexible tubular member in which a distal end portion 6, a bending portion 7, and a flexible tube portion 8 are connected in order from the distal end side.
  • an illumination optical system that irradiates illumination light transmitted by an objective optical system
  • an imaging unit incorporating an image sensor such as a CCD or CMOS
  • a light guide bundle A channel pipe for connecting and holding the treatment instrument channel is disposed.
  • the bending portion 7 of the insertion portion 2 moves in the entire circumferential direction around the insertion axis O including the up / down / left / right directions (UP-DOWN / RIGHT-LEFT) in response to an operation input by a user who is an operator with respect to the operation portion 3. And can be actively bent.
  • the flexible tube portion 8 of the insertion portion 2 is constituted by a flexible tubular member that can bend passively. Inside the flexible tube portion 8, an imaging cable, a light guide bundle, a treatment instrument insertion channel, and an air / water supply tube are inserted (all not shown).
  • the operation unit 3 of the endoscope 1 is provided on the proximal end side of the folding portion 11 and the folding portion 11 connected to the flexible tube portion 8 in a state of covering the proximal end of the flexible tube portion 8.
  • An insertion portion rotary dial 12 that can adjust the rotational position of the inserted portion 2 around the insertion axis O, and a grip that is connected to the proximal end side of the insertion portion rotation dial 12 and can be gripped by a user's hand.
  • a control unit main body 14 connected to the base end side of the gripping part 13.
  • the operation unit 3 is defined based on the state in which the gripping unit 13 is gripped. Specifically, the operation unit 3 includes a front-rear and left-right direction based on the user who grips the gripping unit 13 (front, back, left and right side surfaces, etc.). Is defined.
  • the grip portion 13 is formed in a symmetrical shape with respect to the insertion axis O, and can be similarly gripped by the user or the like with either the left hand or the right hand.
  • a treatment instrument insertion portion 15 is provided on the front surface on the distal end side of the grip portion 13.
  • the treatment instrument insertion portion 15 includes a treatment instrument insertion port 16 for inserting various treatment instruments (not shown).
  • a treatment instrument insertion channel 16 communicates with a treatment instrument insertion port 16 via a branch member (both not shown). Further, for example, a disposable forceps plug (not shown) which is a lid member for closing the treatment instrument insertion port 16 is detachable from the treatment instrument insertion portion 15.
  • the operation unit main body 14 is configured by a hollow member having a substantially partial spherical shape that mainly bulges to the left and right sides and the front side on the proximal end side of the gripping unit 13.
  • operation buttons 20 for executing the suction function of the endoscope 1 and various optical system functions are disposed.
  • a bending operation lever 21 as a bending operation means for performing a bending operation on the bending portion 7 is disposed on the back side of the operation unit main body 14. Further, the universal cord 4 extends from one side (for example, the left side) of the operation unit main body 14 via the cable fastening portion 17.
  • the left and right shapes of the operation portion main body 14 are swelled symmetrically with respect to the insertion axis O, and the left and right side surfaces on the distal end side of the operation portion main body 14.
  • a detailed description of the guide recesses 18 formed on the left and right sides of the operation unit main body 14 will be described later.
  • the universal cord 4 reaches the operation unit 3 from the distal end 6 side through the inside of the insertion unit 2, and further receives various signal lines including an imaging cable extending from the operation unit 3, a light guide bundle, and air / water supply fluid.
  • This is a composite cable through which an air / water supply tube (not shown) is inserted.
  • the endoscope connector 5 provided at the end portion of the universal cord 4 includes an electrical connector portion 5a provided on a side surface portion, and a light source connector portion 5b connected to a light source device which is an external device (not shown). ing.
  • the electrical connector 5a is detachably connected to a video processor which is an external device (not shown) or an extended electrical cable connector.
  • the light source connector 5b is provided with a light guide connector 5c in which a light guide bundle is accommodated and an air / water connector 5d.
  • the operation buttons 20 include, for example, a disposable suction valve 22 that is detachably attached to the operation unit main body 14, and an arbitrary function among various functions related to the endoscope 1, For example, it has two button switches 23 to which a release button or the like can be selectively assigned.
  • the suction valve 22 includes a suction button 24 as an operation input member and a tube connection portion 25 to which a suction tube extended from an endoscope suction device which is an external device (not shown) is connected. Has been.
  • the two button switches 23 and the suction button 24 of the suction valve 22 pass through the insertion axis O shown in FIGS. 3 and 4 on the front surface of the operation unit main body 14 and sandwich the virtual line X that bisects the left-right width direction. They are arranged symmetrically.
  • the suction button 24 is disposed at the center in the left-right width direction on the front side of the operation unit main body 14 so as to overlap the insertion axis O and the virtual line X.
  • the two button switches 23 are arranged at symmetrical positions on the tip side of the suction button 24 with the virtual line X in between.
  • the bending operation lever 21 provided on the back side of the operation unit main body 14 is configured by, for example, a so-called joystick-type lever that can be tilted in all directions including the vertical and horizontal directions.
  • a finger rest 26 is provided that can abut the thumb of a user or the like.
  • the finger rest 26 is arranged at the center in the left-right width direction on the back side of the operation unit main body 14 so as to overlap the insertion axis O and the virtual line X. That is, the finger contact part 26 of the bending operation lever 21 and the suction button 24 of the suction valve 22 are arranged at the center in the left-right width direction on the front side or the back side of the operation part main body 14.
  • the bending operation lever 21 is provided on the proximal end side of the operation unit 3 with respect to the base of the thumb so that the user or the like can operate the finger rest unit 26 with the thumb of the hand holding the holding unit 13.
  • a bending operation mechanism (not shown) is connected to the proximal end side of the bending operation lever 21 in the operation unit 3.
  • the bending operation lever 21 can bend the bending portion 7 in an arbitrary direction through the pulling operation of each pulling wire by the bending operation mechanism.
  • the guide recess 18 formed in the operation unit main body 14 of the operation unit 3 will be described below.
  • the guide recess 18 of the present embodiment bulges in the left-right direction of the operation portion main body 14 so as to accommodate the bending operation mechanism, and is a concave curved surface from the boundary portion serving as the base end of the grip portion 13 to the operation portion main body 14. The step is formed.
  • the guide recess 18 is directed to the operation buttons 20 provided on the front surface of the operation unit main body 14, and is orthogonal to the insertion axis O as indicated by virtual lines R and L. It is formed so as to be inclined in the proximal direction of the operation unit main body 14 with a predetermined angle ⁇ with respect to the axis (short axis of the operation unit 3) H.
  • the guide recess 18 formed on the right side surface of the operation portion main body 14 has the root of the thumb of the right hand RH.
  • the index finger is naturally guided to the operation buttons 20 by coming into contact with one side of the index finger.
  • the guide recess 18 formed on the left side surface of the operation portion main body 14 is the root of the thumb of the left hand LH.
  • the index finger is naturally guided to the operation buttons 20 by coming into contact with one side of the index finger.
  • the finger contact portion 26 of the bending operation lever 21 is common to the operation portion main body so that the thumb can reach the same degree with either hand when the user or the like holds the grip portion 13 with the right hand RH or the left hand LH. 14 is arranged at the center in the left-right width direction on the back side.
  • the bending portion 7 of the insertion portion 2 moves in the vertical and horizontal directions (UP-DOWN / RIGHT) in response to an operation input of the bending operation lever 21 by a user or the like.
  • the suction button 24 of the suction valve 22 which is one of the finger contact part 26 of the bending operation lever 21 and the operation buttons 20 is actively curved in the entire circumferential direction around the insertion axis O including -LEFT).
  • the main body 14 is arranged at the center in the left-right width direction on the front side or the back side.
  • the endoscope 1 is configured such that the user or the like can selectively grip the grip portion 13 of the operation unit 3 with a desired right hand RH or left hand LH, and the user or the like can grip the grip portion 13.
  • the finger rest 26 of the bending operation lever 21 can be operated with the same burden with the thumb of the gripped right hand RH or the left hand LH, and the guide recess 18 formed in the operation section main body 14 can be naturally
  • the suction button 24 is commonly used by the index finger guided to the user and can be operated with the same burden with either hand.
  • the endoscope 1 is provided with the two button switches 23 of the operation buttons 20 in the vicinity of the suction button 24, the endoscope 1 is bent by the thumb of the right hand RH or the left hand LH holding the grip portion 13.
  • the finger rest portion 26 of the operation lever 21 can be operated with the same burden with either hand, and the two button switches 23 with the index finger naturally guided to the guide recess 18 formed in the operation portion main body 14. In common, both hands can be operated with the same burden.
  • the endoscope 1 is provided in a range where the operation buttons 20 can be reached by the thumb or index finger of the right hand RH or the left hand LH that holds the grip portion 13 such as a user, and the finger contact portion 26 of the bending operation lever 21. It is possible to simultaneously perform the bending operation and the suction operation by the suction button 24 or various endoscope function operations by the two button switches 23.
  • the endoscope 1 In the endoscope 1, the index finger of the right hand RH or the left hand LH that holds the grip portion 13 is naturally guided to the operation buttons 20 by the guide recess 18 formed in the operation portion main body 14. At this time, the endoscope 1 is in a state where the guide recess 18 formed in the operation unit main body 14 of the operation unit 3 is always in contact with one side of the index finger from the base of the thumb of the gripped hand of the user or the like. Therefore, the grip portion 13 can be stably gripped.
  • the endoscope 1 has the operation unit 3 when the bending operation by the finger contact portion 26 of the bending operation lever 21, the suction operation by the suction button 24, or various endoscope function operations by the two button switches 23 are performed. Blur is reduced, and as a result, blur of the endoscopic image can also be suppressed.
  • the endoscope 1 can stably hold the operation unit with either the right hand RH or the left hand LH gripped by a user or the like.
  • it has a structure with good operability that allows bending operation, suction operation, or various endoscopic function operations using the thumb and index finger with a similar burden.
  • the stated requirements can be deleted if the stated problem can be solved and the stated effect can be obtained.
  • the structure thus constructed can be extracted as an invention.

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

Abstract

L'invention concerne un endoscope (1), pourvu : d'une section de fonctionnement (3) interconnectée avec une section d'introduction (2) présentant une section de courbure (7), la section de fonctionnement (3) étant pourvue d'une section de préhension (13) et d'un corps (14) de section de fonctionnement, qui sont disposés à partir du côté d'extrémité distale et interconnectés avec la section d'introduction (2) ; d'un levier (21) de fonctionnement de courbure de type joystick disposé sur le côté de surface arrière du corps (14) de section de fonctionnement et courbant la section de courbure (7) ; des boutons de commande et analogues (20) disposés sur le côté de surface avant du corps (14) de section de fonctionnement ; et deux évidements de guidage (18) formés respectivement sur les surfaces latérales gauche et droite du corps (14) de section de fonctionnement, qui font face au côté d'extrémité distale, de manière à dépasser de celui-ci et qui guident un index d'un utilisateur saisissant la section de préhension (13) vers les boutons de commande et analogues (20).
PCT/JP2015/056909 2014-05-16 2015-03-10 Endoscope Ceased WO2015174128A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015535639A JPWO2015174128A1 (ja) 2014-05-16 2015-03-10 内視鏡

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014102626 2014-05-16
JP2014-102626 2014-05-16

Publications (1)

Publication Number Publication Date
WO2015174128A1 true WO2015174128A1 (fr) 2015-11-19

Family

ID=54479675

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/056909 Ceased WO2015174128A1 (fr) 2014-05-16 2015-03-10 Endoscope

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JP (1) JPWO2015174128A1 (fr)
WO (1) WO2015174128A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113473895A (zh) * 2018-12-13 2021-10-01 C·R·巴德股份有限公司 输尿管镜设备、系统和方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021141906A (ja) * 2018-04-16 2021-09-24 オリンパス株式会社 内視鏡用流体制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006149877A (ja) * 2004-11-30 2006-06-15 Olympus Medical Systems Corp 内視鏡の操作部
JP2007082842A (ja) * 2005-09-22 2007-04-05 Olympus Medical Systems Corp 内視鏡装置
WO2012017810A1 (fr) * 2010-08-05 2012-02-09 オリンパスメディカルシステムズ株式会社 Endoscope
WO2012086083A1 (fr) * 2010-12-24 2012-06-28 オリンパス株式会社 Dispositif d'endoscope

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006149877A (ja) * 2004-11-30 2006-06-15 Olympus Medical Systems Corp 内視鏡の操作部
JP2007082842A (ja) * 2005-09-22 2007-04-05 Olympus Medical Systems Corp 内視鏡装置
WO2012017810A1 (fr) * 2010-08-05 2012-02-09 オリンパスメディカルシステムズ株式会社 Endoscope
WO2012086083A1 (fr) * 2010-12-24 2012-06-28 オリンパス株式会社 Dispositif d'endoscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113473895A (zh) * 2018-12-13 2021-10-01 C·R·巴德股份有限公司 输尿管镜设备、系统和方法

Also Published As

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