WO2022049630A1 - Instrument chirurgical - Google Patents

Instrument chirurgical Download PDF

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Publication number
WO2022049630A1
WO2022049630A1 PCT/JP2020/033086 JP2020033086W WO2022049630A1 WO 2022049630 A1 WO2022049630 A1 WO 2022049630A1 JP 2020033086 W JP2020033086 W JP 2020033086W WO 2022049630 A1 WO2022049630 A1 WO 2022049630A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
surgical tool
limiting portion
connector
wiring
Prior art date
Application number
PCT/JP2020/033086
Other languages
English (en)
Japanese (ja)
Inventor
広樹 新藤
知季 神山
Original Assignee
リバーフィールド株式会社
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 リバーフィールド株式会社 filed Critical リバーフィールド株式会社
Priority to PCT/JP2020/033086 priority Critical patent/WO2022049630A1/fr
Priority to JP2020571565A priority patent/JP6850056B1/ja
Publication of WO2022049630A1 publication Critical patent/WO2022049630A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/30—Surgical robots
    • A61B34/35—Surgical robots for telesurgery

Definitions

  • This disclosure relates to surgical tools.
  • This type of surgical tool is configured to have a main body having a treatment part used for treatment such as an electric knife, and a cover part to receive power from an external power source.
  • a connector is placed on the cover, and by electrically connecting the connector to an external power supply, power from the external power supply is supplied via the connector. Then, the connector and the treatment portion of the main body are electrically connected by electric wiring housed in the internal space formed by the main body and the cover portion. As a result, electric power from an external power source is supplied to the treatment unit.
  • the cover portion is assembled to the main body in a state where the connector and the treatment portion are electrically connected in advance by electrical wiring.
  • the electrical wiring used is longer than the length required to electrically connect the connector and the main body in the surgical tool after assembly.
  • the electrical wiring housed in the internal space formed by the main body and the cover portion is longer than the required length in the assembled state, so the length of the surplus (hereinafter, "surplus length”). Since it requires only space (also referred to as), it may interfere with other parts and wiring placed inside the surgical instrument.
  • One aspect of the present disclosure is a surgical tool, and it is preferable to suppress interference between electrical wiring having a surplus length and other parts inside the surgical tool.
  • a surgical tool which includes a main body, a cover portion, electrical wiring, and a limiting portion.
  • the main body is provided with at least a treatment section for performing medical treatment.
  • the cover portion is attached to the main body and has a connector used for power supply from the outside of the main body.
  • the electrical wiring is used to supply power from the connector to the treatment section and has an extra length that allows attachment of the cover section to the body.
  • the limiting portion limits the arrangement position of the electrical wiring when the cover portion is attached to the main body.
  • the arrangement position of the long electric wiring formed so as to have a surplus length inside the surgical instrument is restricted by the limiting portion.
  • the position of the electrical wiring is restricted by the limiting portion inside the surgical tool, so that interference between the electrical wiring and other parts can be suppressed.
  • the limiting portion is a long member having flexibility extending from the cover portion toward the main body, and the electrical wiring is spirally arranged around the limiting portion. Has been done.
  • the electric wiring is arranged in a spiral shape around the limiting portion, so that the arrangement position of the electric wiring is limited. Further, by changing the spiral pitch of the electric wiring, it can be expanded and contracted along the shape of the limiting portion.
  • the limiting portion is a resin tube through which a liquid can flow.
  • the arrangement position of the electric wiring is limited by the resin tube.
  • the surgical tool 1 is a medical device used for medical practice such as surgery.
  • the surgical tool 1 includes a treatment portion 10, a main body 20, a cover portion 30, an electrical wiring 40, a limiting portion 50, and a connecting portion 60.
  • the treatment unit 10 is a part of the surgical instrument 1 used for medical treatment.
  • the treatment unit 10 is a portion of the surgical instrument 1 that comes into contact with the object to be treated.
  • the treatment unit 10 exerts a function to receive a power supply and perform a predetermined treatment.
  • the treatment unit 10 may be, for example, a portion used as a blade portion of a surgical electric knife.
  • the treatment unit 10 may be a site used for incising a site of the patient's body while stopping bleeding by utilizing Joule heat generated by passing a high frequency current.
  • the treatment unit 10 is not limited to one having a function as a surgical electric knife as long as it receives electric power and exerts a function.
  • it may be formed in the shape of forceps as shown in FIG.
  • the connecting portion 60 connects the treatment portion 10 and the main body 20.
  • the connecting portion 60 may be formed in, for example, a long cylindrical shape, and wiring for supplying electric power from the main body 20 to the treatment portion 10 may be provided inside.
  • a member such as a wire for transmitting a driving force necessary for the treatment unit 10 to operate may be arranged inside the connecting unit 60. Further, it may have a water pipe for supplying a liquid toward the treatment unit 10. The water pipe may be used to circulate a liquid such as washing water inside.
  • the liquid circulated through the water pipe is not limited to water, and may be various liquids.
  • the main body 20 and the cover portion 30 form an internal space for accommodating at least the electrical wiring 40 and the limiting portion 50.
  • the main body 20 is provided with a configuration for transmitting a driving force to the treatment unit 10.
  • the main body 20 is provided with a connecting portion 60.
  • the cover portion 30 is formed in a concave shape. The concave cover portion 30 is attached to the main body 20 to form an internal space.
  • the cover portion 30 has a connector portion 31 and a lid portion 33.
  • the connector 31 is provided in the area opposite to the connecting portion 60 connected to the main body 20 in the main body 20 in which the cover portion 30 is assembled to the main body 20.
  • the connector 31 is arranged at a position such that the position where the limiting portion 50 is attached is sandwiched between the connector 31 and the connecting portion 60.
  • the connector 31 is configured to be able to receive electric power from an external power source arranged outside the surgical tool 1. That is, the connector 31 may be formed in a shape to which a plug or the like used when an external power source supplies electric power to the surgical tool 1 can be connected.
  • the shape of the connector 31 may be convex or concave as long as it is formed so that an external power source can be connected, and the shape is not limited.
  • the lid portion 33 may be detachably provided in the opening of the cover portion 30.
  • the lid portion 33 has a shape that closes the opening of the cover portion 30.
  • the cover portion 30 is formed with an opening used for injecting a liquid into the restriction portion 50 described in detail below.
  • the lid 33 of the limiting portion 50 may not be provided if the cover portion 30 does not have an opening.
  • the electrical wiring 40 electrically connects the connector 31 and the treatment unit 10.
  • the electrical wiring 40 supplies electric power from the connector 31 to the treatment unit 10 via the wiring inside the connecting unit 60.
  • the limiting portion 50 is a long member having flexibility extending from the cover portion 30 toward the main body 20.
  • the limiting portion 50 may be made of a material harder than the electric wiring 40.
  • the limiting portion 50 may be, for example, a tube configured so that a liquid or the like can be transported inside.
  • the tube of the limiting portion 50 may be, for example, a resin tube formed of a resin material.
  • the first end of the tube of the limiting portion 50 is arranged inside the cylindrical shape of the connecting portion 60 so as to extend toward the tip on the connecting portion 60 side inside the main body 20.
  • the second end portion of the tube of the limiting portion 50 is arranged on the cover portion 30 side.
  • the tube of the limiting portion 50 may be configured to supply a liquid to the water pipe when the water pipe is provided inside the connecting portion 60.
  • the form of the limiting portion 50 is not limited to that formed by a long member, and is not limited to one having a tube shape.
  • the shape of the limiting portion 50 is not particularly limited as long as it is configured to limit the positional arrangement of the electrical wiring 40.
  • the first end of the limiting portion 50 is inside the cylindrical shape of the connecting portion 60 so that the first end of the tube of the limiting portion 50 extends toward the tip of the connecting portion 60 inside the main body 20. While arranged, the second end of the tube of the limiting portion 50 is disposed on the cover portion 30 side.
  • the electrical wiring 40 is spirally arranged along the peripheral surface of the limiting portion 50 extending in a long shape.
  • the electrical wiring 40 is a flexible linear member.
  • the electric wiring 40 may be made of a material softer than the limiting portion 50.
  • the first end of the electrical wiring 40 passes through the inside of the cylindrical connecting portion 60 attached to the main body 20 and is fixed in a state of being electrically connected to the treatment portion 10.
  • the second end of the electrical wiring 40 is fixed to a part of the connector 31.
  • a part of the electric wiring 40 is fixed to the main body 20 inside the main body 20.
  • the mechanism by which a part of the electric wiring 40 is fixed inside the main body 20 is not particularly limited. It may be fixed by sandwiching a part of the wiring 40.
  • the length of the electric wiring 40 is formed so as to have a surplus length. That is, the electric wiring 40 is fixed to the main body 20 of the electric wiring 40 rather than the length from the portion fixed to the main body 20 when supplying electric power to the treatment portion 10 to the connector 31 arranged in the cover portion 30. The length of the electric wiring 40 from the portion to the second end along the line direction is formed to be longer by the excess length.
  • a part of the electric wiring 40 fixed to the main body 20 and a part of the electric wiring 40 fixed to the connector 31 are not limited to the first end portion and the second end portion, respectively.
  • a portion other than the end portion of the electrical wiring 40 may be fixed to the main body 20 and the connector 31, respectively.
  • the electric wiring 40 is fixed at each position rather than the linear distance between the portion where the electric wiring 40 is fixed to the main body 20 and the portion where the electric wiring 40 is fixed to the connector 31. It may be configured so that the length of the portion along the linear direction is increased by the excess length.
  • FIG. 5 shows the electrical connection between the main body 20 and the connector 31 by the electric wiring 40 inside the main body 20. Further, at least a part of the electric wiring 40 is arranged so as to be movable along the longitudinal direction of the limiting portion 50 in a state of being wound around the limiting portion 50. Specifically, for example, the electric wiring 40 may be arranged so that the spiral pitch is variable.
  • the spiral pitch referred to here is, for example, a part of a line of the electric wiring 40 arranged in a spiral shape and an electric wiring adjacent to a part of the line along the longitudinal direction of the limiting portion 50. The distance along the longitudinal direction of the limiting portion 50 with a part of the line of 40.
  • the first end of the limiting portion 50 is arranged on the main body 20 side. Further, the first end portion of the electric wiring 40 is electrically connected to the treatment portion 10 in the main body 20.
  • the electrical wiring 40 is spirally wound along the peripheral surface of the limiting portion 50 toward the second end, which is the end opposite to the first end of the limiting portion 50. With the end opposite to the first end of the electric wiring 40 as the second end, the second end of the electric wiring 40 is wound up to the vicinity of the second end of the limiting portion 50.
  • the second end of the electrical wiring 40 is electrically connected to the connector 31.
  • the electrical connection between the electrical wiring 40 and the connector 31 may be fixed with solder or the like.
  • the second end of the electrical wiring 40 is stretched to widen the spiral pitch of the electrical wiring 40. In other words, the area where the electrical wiring 40 in the limiting portion 50 is spirally wound becomes long.
  • the spiral pitch that has been widened by stretching the electric wiring 40 is narrowed.
  • the area where the electrical wiring 40 in the limiting portion 50 is spirally wound is shortened.
  • the electrical wiring 40 is housed between the main body 20 and the cover portion 30 in a state where the spiral pitch is narrowed as shown in FIG. Since the limiting portion 50 is arranged inside the spiral of the electric wiring 40, in other words, on the central axis side of the spiral, the arrangement position of the electric wiring 40 wound around the limiting portion 50 is the limiting portion 50. It is suppressed from leaving.
  • the arrangement position of the electric wiring 40 is limited by arranging the electric wiring 40 in a spiral shape around the limiting portion 50. Further, by changing the spiral pitch of the electric wiring 40, it can be expanded and contracted along the shape of the limiting portion 50, and it is suppressed that the arrangement position is separated from the limiting portion 50, and the inside of the main body 20 is suppressed. Interference with parts of the above is suppressed.
  • the electric wiring 40 is the main body 20 while suppressing the increase in the size of the main body 20. It is possible to suppress interference with other parts inside the.
  • the main body 20 is connected to the treatment unit 10 via the connecting unit 60.
  • the treatment portion 10, the connecting portion 60, and the main body 20 may be integrally formed.
  • the configuration may not have the connecting portion 60. That is, the treatment unit 10 and the main body 20 may be directly connected to each other, or may be integrally formed. The main body 20 may be provided with the treatment unit 10.
  • the main body 20 may have a part that moves inside. Further, the range in which the portion moving inside the main body 20 moves, in other words, the range in which the portion can be located does not overlap with the range in which the electric wiring 40 limited by the limiting portion 50 can be arranged. It may be set as follows. Specifically, the tube of the limiting portion 50 may be arranged so as to be located at a position away from the movable range.
  • a plurality of functions possessed by one component in the above embodiment may be realized by a plurality of components, or one function possessed by one component may be realized by a plurality of components. .. Further, a plurality of functions possessed by the plurality of components may be realized by one component, or one function realized by the plurality of components may be realized by one component. Further, a part of the configuration of the above embodiment may be omitted. Further, at least a part of the configuration of the above embodiment may be added or replaced with the configuration of the other above embodiment.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Robotics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un outil chirurgical qui supprime l'interférence entre un fil électrique ayant une longueur excédentaire et d'autres composants à l'intérieur de l'outil chirurgical. Cet outil chirurgical comprend un corps, une partie couvercle, un fil électrique et une partie limitation. Le corps comprend au moins une partie traitement pour effectuer un traitement médical. La partie couvercle peut être fixée au corps, et comporte un connecteur qui est utilisé pour l'alimentation électrique depuis l'extérieur du corps. Le fil électrique est utilisé pour fournir de l'énergie du connecteur à la partie traitement, et a une longueur excédentaire qui permet la fixation de la partie couvercle au corps. La partie limitation limite l'emplacement de placement du fil électrique lorsque la partie couvercle est fixée au corps.
PCT/JP2020/033086 2020-09-01 2020-09-01 Instrument chirurgical WO2022049630A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2020/033086 WO2022049630A1 (fr) 2020-09-01 2020-09-01 Instrument chirurgical
JP2020571565A JP6850056B1 (ja) 2020-09-01 2020-09-01 術具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/033086 WO2022049630A1 (fr) 2020-09-01 2020-09-01 Instrument chirurgical

Publications (1)

Publication Number Publication Date
WO2022049630A1 true WO2022049630A1 (fr) 2022-03-10

Family

ID=75154705

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/033086 WO2022049630A1 (fr) 2020-09-01 2020-09-01 Instrument chirurgical

Country Status (2)

Country Link
JP (1) JP6850056B1 (fr)
WO (1) WO2022049630A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08224243A (ja) * 1995-02-22 1996-09-03 Olympus Optical Co Ltd 医療用マニピュレータ
US20100250000A1 (en) * 2009-03-31 2010-09-30 Intuitive Surgical, Inc. Optic fiber connection for a force sensing instrument
WO2017010378A1 (fr) * 2015-07-10 2017-01-19 シャープ株式会社 Dispositif de capture d'image intracorporelle et système de caméra de surveillance intracorporelle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08224243A (ja) * 1995-02-22 1996-09-03 Olympus Optical Co Ltd 医療用マニピュレータ
US20100250000A1 (en) * 2009-03-31 2010-09-30 Intuitive Surgical, Inc. Optic fiber connection for a force sensing instrument
WO2017010378A1 (fr) * 2015-07-10 2017-01-19 シャープ株式会社 Dispositif de capture d'image intracorporelle et système de caméra de surveillance intracorporelle

Also Published As

Publication number Publication date
JPWO2022049630A1 (fr) 2022-03-10
JP6850056B1 (ja) 2021-03-31

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