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WO2020021923A1 - Instrument de traitement endoscopique - Google Patents

Instrument de traitement endoscopique Download PDF

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Publication number
WO2020021923A1
WO2020021923A1 PCT/JP2019/024528 JP2019024528W WO2020021923A1 WO 2020021923 A1 WO2020021923 A1 WO 2020021923A1 JP 2019024528 W JP2019024528 W JP 2019024528W WO 2020021923 A1 WO2020021923 A1 WO 2020021923A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
connector
rotation
sheath
treatment tool
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/JP2019/024528
Other languages
English (en)
Japanese (ja)
Inventor
諒 石川
佐藤　純
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.)
Fujifilm Corp
Original Assignee
Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2020532220A priority Critical patent/JP6931427B2/ja
Priority to CN201980048478.2A priority patent/CN112449584B/zh
Publication of WO2020021923A1 publication Critical patent/WO2020021923A1/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
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor

Definitions

  • the present invention relates to an endoscope treatment tool, and more particularly to an endoscope treatment tool that is inserted through a treatment instrument insertion channel of an endoscope and performs a treatment such as incision or peeling of a diseased mucous membrane portion.
  • ESD endoscopic submucosal dissection
  • Patent Document 1 As an endoscope treatment tool used for ESD, for example, a high-frequency treatment tool disclosed in Patent Document 1 is known.
  • the high-frequency treatment instrument disclosed in Patent Document 1 has a connector main body (connection pipe) between a flexible sheath having a high-frequency knife attached to the tip and an operation section main body (operation means) including a main body shaft and a slider.
  • the connector body is provided with a water injection connector (fluid connection part).
  • a syringe or a water supply tube (pipe) to the water injection connector.
  • Patent Literature 2 discloses a catheter device for removing gallstones.
  • the catheter device restricts rotation of the handle and maintains the position of the endoscopic instrument by rotatably mounting the handle relative to the catheter hub assembly and engaging the interlocking detents with each other.
  • the handle is configured to be rotatable with a frictional force with respect to the catheter hub assembly.
  • the high-frequency treatment tool disclosed in Patent Document 1 shows a mode in which the connector main body is connected to the operation unit main body. Is the connector main body non-rotatably connected to the operation unit main body? It is unknown whether they are rotatably connected.
  • the syringe can be easily connected to the water injection connector, and the syringe is oriented in a predetermined direction even when operating the high-frequency treatment instrument. Since the state is maintained, the operation is easy even when the syringe is connected and operated.
  • a water supply tube is connected to the water injection connector and used, if the positional relationship between the endoscope treatment tool and the water supply tube fluctuates, the water supply tube may hinder the operation of the endoscope treatment tool. As a result, operability is likely to be reduced.
  • the catheter device disclosed in Patent Document 2 also has the same problem because the catheter hub assembly and the handle are attached with a frictional force.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide an endoscope treatment tool which is easy to use regardless of whether a syringe or a water supply tube is connected to a water injection connector.
  • an endoscope treatment tool of the present invention includes a flexible sheath, a wire inserted inside the sheath, a treatment section provided at a distal end of the wire, and a sheath.
  • a tubular connector body having a proximal end connected thereto, a water injection connector provided on the connector main body, and an operation portion main body connected to the proximal end of the connector main body, wherein the wire is advanced and retracted in the axial direction of the sheath.
  • the operation portion main body operates between a rotation lock state in which the engaged portion is engaged to lock the connector body so that it cannot rotate, and a rotation lock release state in which the engagement is released and the connector body can rotate. It has a possible movable engagement body.
  • the movable engagement body is a slide switch that can slide in the axial direction of the rotation shaft.
  • the slide switch has a slide ring and a protrusion provided on the slide ring, and the protrusion is engaged by sliding movement of the slide ring in the axial direction of the rotation shaft. It is preferable to engage with the portion to enter the rotation locked state.
  • the movable engagement body is a swing switch that can swing around a direction orthogonal to the axial direction of the rotation shaft.
  • a rocking switch has a rocking body and a projection provided on the rocking body, and the rocking body rocks around a direction orthogonal to an axial direction of a rotation axis. It is preferable that the projection is engaged with the engaged portion to be in a rotation locked state.
  • a plurality of engaged portions are provided in the circumferential direction of the rotation shaft in the connector body.
  • an endoscope treatment tool of the present invention includes a flexible sheath, a wire inserted inside the sheath, a treatment section provided at a distal end of the wire, and a sheath.
  • a tubular connector body having a proximal end connected thereto, a water injection connector provided on the connector main body, and an operation portion main body connected to the proximal end of the connector main body, wherein the wire is advanced and retracted in the axial direction of the sheath.
  • An operating section main body for projecting and retracting the treatment section from the distal end of the sheath, wherein the connector main body is rotatably connected to the operating section main body around a rotation axis, and the operating section main body is connected to the operating section main body by the connector main body.
  • a connecting member capable of transitioning from a rotation lock state in which the connector body is locked so that the connector body cannot be rotated by being connected to a rotation lock release state in which the connector body can be rotated by releasing the connection.
  • the center axis of the water injection connector faces the second direction orthogonal to the first direction in the horizontal direction.
  • the angle difference between the rotation angle of the connector body in the rotation locked state and the reference angle is preferably within a range of 45 degrees.
  • the center axis of the water injection connector is preferably orthogonal to the rotation axis.
  • the operation unit main body is provided with a main body shaft portion rotatably connected to the connector main body and extending in the direction of the rotation axis, and is provided movably along the main body shaft portion, And a connector provided on the slider and electrically connected to the proximal end of the wire, and it is preferable that the treatment section can be energized.
  • Perspective view of the high-frequency treatment tool viewed from another direction
  • Top view of high-frequency treatment tool Assembled perspective view showing components of the high-frequency treatment tool separated
  • FIG. 1 An enlarged perspective view showing a modification of the lock switch of FIG.
  • Main part enlarged perspective view of lock switch using slide ring Main part enlarged perspective view of a high-frequency treatment tool provided with a rocking type lock switch
  • An enlarged perspective view showing a modification of the lock switch of FIG. Enlarged view of main part of high-frequency treatment instrument in which connector main body and main body shaft are connected by a destructible connecting member
  • a high-frequency treatment tool used for ESD will be described as an example of an endoscope treatment tool.
  • the endoscope treatment tool of the present invention is an endoscope treatment tool that performs treatment other than this kind. Is also applicable.
  • FIG. 1 is an overall perspective view showing an example of the high-frequency treatment device 10 according to the first embodiment, and is a perspective view of the high-frequency treatment device 10 as viewed from one direction.
  • FIG. 2 is a perspective view of the high-frequency treatment instrument 10 viewed from another direction.
  • FIG. 3 is a plan view of the high-frequency treatment device 10
  • FIG. 4 is an assembled perspective view of the high-frequency treatment device 10 in which constituent members of the high-frequency treatment device 10 are shown separately.
  • the high-frequency treatment instrument 10 includes a flexible sheath 12, a wire 14 inserted inside the sheath 12, a high-frequency knife 16 provided at a distal end of the wire 14, and a connector body 18. , A water injection connector 20 provided on the connector main body 18, and an operation section main body 22.
  • the sheath 12 is formed in a long shape by an insulating member, and is inserted into a treatment tool insertion channel of an endoscope (not shown) at the time of ESD treatment. Note that the sheath 12 is shown only in FIG. 1, and the illustration of the sheath 12 is omitted in FIG. 2 and subsequent drawings.
  • the wire 14 is provided with a high-frequency knife 16 as an example of a treatment section at the tip thereof.
  • the proximal end of the wire 14 is inserted into the internal space 24 (see FIG. 4) of the connector main body 18 and connected to the core 56 (see FIG. 4) of the operation section main body 22.
  • the wire 14 of the embodiment is configured by covering a conductive wire (not shown) with an insulating film (not shown).
  • FIG. 5 is an enlarged perspective view of the connector main body 18.
  • FIG. 6 is a perspective view particularly showing the internal space 24 of the connector main body 18.
  • the connector main body 18 is a cylindrical member that connects the base end of the sheath 12 and the distal end of the operation section main body 22, and has a rotation shaft 28 with respect to the operation section main body 22. Is rotatably connected to
  • a finger hook 19A and a non-slip portion 19B are provided on the outer peripheral surface 18C of the connector body 18.
  • the finger hook 19A is provided on the operation unit main body 22 side
  • the non-slip portion 19B is provided on the sheath 12 side.
  • a plurality of substantially elliptical curved surfaces having a major axis in the direction of the rotation shaft 28 are formed on the finger hook 19A along the circumferential direction of the outer peripheral surface 18C.
  • a plurality of grooves are formed in the non-slip portion 19B along the direction of the rotation shaft 28 along the circumferential direction of the outer peripheral surface 18C.
  • a water injection connector 20 is formed on the connector body 18 so as to protrude toward the side.
  • the water injection connector 20 is formed in a cylindrical shape, and a water injection path 21 is formed therein.
  • One end of the water injection path 21 communicates with the internal space 24 of the connector body 18.
  • the other end of the water injection path 21 is open at the end of the water injection connector 20.
  • the water injection connector 20 is connected to the connector main body 18 in a direction in which a central axis 30 of the water injection connector 20 is orthogonal to the rotation axis 28 of the connector main body 18.
  • the endoscope treatment tool of the present invention is not limited to the above-described connection form, and may be a form in which the central axis 30 is inclined and connected to the rotation shaft 28.
  • either the syringe 32 shown in FIG. 7 or the water supply tube 34 shown in FIG. 8 is selected and connected to the water injection connector 20.
  • a liquid such as a physiological saline solution
  • the liquid flows from the internal space 24 of the water injection connector 20 shown in FIG. 1), and then ejected from the distal end 26 of the sheath 12 to the outside.
  • the water injection connector 20 will be described later.
  • the operation unit main body 22 includes a main body shaft 36, a slider 38, and an electric connector 40.
  • the slider 38 is indicated by a two-dot chain line.
  • the main body shaft portion 36 is a shaft-like member extending along the rotation shaft 28.
  • the main body shaft portion 36 has a longitudinal axis 36 ⁇ / b> A that is coaxial with the rotation shaft 28.
  • a connecting pipe 42 is provided coaxially with the longitudinal axis 36 ⁇ / b> A at the tip of the main body shaft 36.
  • An O-ring 44 for stopping water is mounted on the connecting pipe 42, and the connector main body 18 is rotatably connected to the connecting pipe 42 via the O-ring 44.
  • the connecting pipe 42 is configured to have a smaller diameter than the diameter of the main body shaft 36.
  • the connector main body 18 has the connecting pipe 42 fitted into the opening 18A at the base of the connector main body 18 via the O-ring 44, and is rotatably connected to the connecting pipe 42 while ensuring watertightness.
  • Finger ring 46 into which the operator's thumb is inserted is provided at the base end of main body shaft portion 36. Further, a slit 48 is formed in the main body shaft portion 36. The slit 48 is formed along the longitudinal axis 36A.
  • the slider 38 has a cylindrical portion 50 into which the main body shaft portion 36 is inserted, and finger hanging rings 52 and 54 into which the index finger and the middle finger of the operator are inserted.
  • These finger hanging rings 52 and 54 are provided integrally on the side surface of the tubular portion 50 with the tubular portion 50 interposed therebetween.
  • a core 56 fixed to the tubular portion 50 is provided inside the tubular portion 50.
  • the core 56 is slidably fitted to the slit 48 in a state where rotation about the longitudinal axis 36A is restricted. Therefore, the slider 38 can reciprocate along the longitudinal axis 36A in a state where the rotation about the longitudinal axis 36A is regulated by the rotation regulating action of the slit 48 and the core 56 with respect to the main body shaft portion 36. It is installed.
  • the electric connector 40 is provided on the core 56.
  • the electrical connector 40 is electrically connected to the proximal end of the wire 14 inside the core 56.
  • the electric connector 40 is connected to a high-frequency power supply (not shown) via a cable during ESD treatment.
  • the index finger and the middle finger of the operator are inserted into the finger hanging rings 52 and 54, and the thumb is inserted into the finger hanging ring 46. Thereafter, when the index finger and the middle finger are moved toward and away from the thumb, the slider 38 reciprocates along the longitudinal axis 36A.
  • the wire 14 is advanced and retracted in the axial direction of the sheath 12, so that the high-frequency knife 16 can be protruded and retracted from the distal end 26 of the sheath 12.
  • a high-frequency current from a high-frequency power supply is supplied to the high-frequency knife 16 from the electric connector 40 via the wire 14. Thereby, the lesion mucous membrane can be excised by the high-frequency knife 16.
  • the high-frequency treatment tool 10 of the first embodiment is easy to use regardless of whether the syringe 32 (see FIG. 7) or the water supply tube 34 (see FIG. 8) is connected to the water injection connector 20.
  • the syringe 32 see FIG. 7
  • the water supply tube 34 see FIG. 8
  • the slide lock switch 60 is configured by the engaged portion 62 and the movable engagement body.
  • FIG. 9 is an enlarged perspective view of a main part showing the configuration of the lock switch 60.
  • the engaged portion 62 is formed by a concave groove on the outer peripheral surface 18C of the connector main body 18.
  • the movable engagement body 64 constitutes a slide switch that is slidable along the axial direction of the rotary shaft 28 with respect to a guide groove 66 (see 9A in FIG. 9) provided on the outer peripheral surface 36C of the main body shaft portion 36. It is.
  • FIG. 10 is a cross-sectional view taken along line XX of FIG. 3, and is an explanatory diagram showing the positional relationship among the connector main body 18, the water injection connector 20, and the connecting pipe 42 as viewed from the direction of arrow A in FIG. .
  • the state of FIG. 10 shows a rotation locked state in which the movable engagement body 64 is engaged with the engaged portion 62.
  • the posture of the high-frequency treatment instrument 10 in which the rotation shaft 28 is oriented in the horizontal direction and the finger hanging rings 52 and 54 (see FIG. 7) are oriented in the vertical direction (hereinafter, the basic operation posture) ),
  • the center axis 30 of the water injection connector 20 is oriented in a horizontal direction orthogonal to the rotation axis 28.
  • the rotation lock is released (that is, the engagement between the engaged portion 62 and the movable engagement body 64 is released). .
  • the connector main body 18 is rotated in the direction of arrow B from the position of the rotation locked state in FIG. 10 so that the water injection connector 20 is directed downward in the vertical direction (that is, the center axis 30 of the water injection connector 20 is directly below). Facing position).
  • the rotation lock released state even if a change occurs in the positional relationship between the high-frequency treatment instrument 10 and the water supply tube 34, the change can be absorbed by the rotation of the connector body 18. Thereby, the operability of the high-frequency treatment instrument 10 is improved.
  • the connector main body 18 is rotatably connected to the operating section main body 22 about the rotation shaft 28, and the engaged A movable engagement member 64 provided on the operation portion main body 22, and the movable engagement member 64 is engaged with the engaged portion 62 to lock the connector main body 18 in a rotationally locked state.
  • a rotation unlocked state in which the engagement is released and the connector main body 18 can be rotated, so that even when the syringe 32 or the water supply tube 34 is connected to the water injection connector 20 and used, it is easy to use. Will be better.
  • the position where the central axis 30 of the water injection connector 20 is oriented in the horizontal direction is set to the position of the rotation lock state (see FIG. 7).
  • the position in the rotation locked state is not limited to this position.
  • the position of the rotation locked state may be any range where the usability is not impaired, regardless of whether the syringe 32 or the water supply tube 34 is connected to the water injection connector 20.
  • the position in the rotation locked state may be any range as long as the angle difference between the rotation angle of the connector main body 18 in the rotation locked state and the reference angle is within ⁇ 45 degrees.
  • the central axis 30 of the water injection connector 20 is orthogonal to the first direction of the horizontal direction as shown in FIG. 10. This is the rotation angle of the connector main body 18 when facing in two directions.
  • FIG. 11 is a perspective view of a main part showing a high-frequency treatment instrument 10A according to the second embodiment.
  • the lock switch 70 shown in FIG. 11 is provided with a plurality of engaged portions 62, 62... On the outer peripheral surface 18C of the connector main body 18 in the circumferential direction around the rotation shaft 28. Is the same as the lock switch 60 of FIG. According to the lock switch 70 of FIG. 11, the engaged portion 62 to be engaged with the movable engagement body 64 can be selected from a plurality of engaged portions 62, 62. In this case, the direction of the water injection connector 20 can be changed to a desired position.
  • FIG. 12 is a perspective view of a main part showing a high-frequency treatment instrument 10B according to the third embodiment.
  • the lock switch 80 shown in FIG. 12 includes a slide switch 82 instead of the movable engagement body 64 in FIG.
  • the slide switch 82 has a slide ring 84 and a projection 86 provided on the slide ring 84.
  • the slide ring 84 is mounted on the outer peripheral surface 36 ⁇ / b> C of the main body shaft 36.
  • a convex guide portion 88 is provided on the inner peripheral surface of the slide ring 84.
  • the guide portion 88 is slidably engaged with the guide groove 66 provided on the outer peripheral surface 36 ⁇ / b> C of the main body shaft portion 36.
  • the guide groove 66 is provided along the longitudinal axis 36A.
  • the slide ring 84 is provided slidably with respect to the main body shaft 36 along the longitudinal axis 36A.
  • the slide switch 82 configured as described above, when the slide ring 84 is slid toward the engaged portion 62, the protrusion 86 is engaged with the engaged portion 62. Thereby, the connector main body 18 is in a rotation locked state in which the connector main body 18 is locked so as not to rotate.
  • the lock switch 80 by providing the lock switch 80, the operator can check the slide ring 84 regardless of the operation posture, so that the rotation lock state is achieved.
  • the switching operability between the rotation lock release state and the rotation lock release state is improved, and the usability is further improved.
  • FIG. 13 is a perspective view of a main part showing a high-frequency treatment instrument 10C according to the fourth embodiment.
  • This high-frequency treatment instrument 10C includes an oscillating lock switch 90 that switches the rotation of the connector main body 18 between a rotation lock state and a rotation lock release state.
  • the lock switch 90 includes an engaged portion 92 provided on the connector main body 18 and a movable engagement body 94 provided on the main body shaft 36.
  • the engaged portion 92 is formed by a concave groove on the outer peripheral surface 18C of the connector main body 18.
  • the movable engagement body 104 constitutes a swing switch, and has a swing body 96 and an engagement portion 98 that can be engaged with the engaged portion 102.
  • the oscillating body 96 and the engaging portion 98 are each plate-shaped, and the engaging portion 98 is formed by a protruding portion protruding from an end of the oscillating body 96, and the oscillating body 96 and the engaging portion 98 are interposed therebetween. It is configured in a V-shape in side view via a provided bearing portion 99.
  • the bearing portion 99 is provided so as to be able to swing around a pin 100 provided on the outer peripheral surface 36 ⁇ / b> C of the main body shaft portion 36, and the pin 100 is attached in a direction orthogonal to the direction of the rotating shaft 28. .
  • the following effects can be obtained by providing the lock switch 90 as described above.
  • the engagement portion 98 is at a position where the engagement portion 98 is engaged with the engaged portion 92 (ie, a position where the engaged portion 92 faces the engagement portion 98).
  • the swinging body 96 is swung in the direction of arrow C to engage the engaging portion 98 with the engaged portion 92, thereby bringing the connector main body 18 into a rotation locked state.
  • the operability when the syringe 32 is connected is improved, and the usability is improved.
  • the swinging body 96 is swung in the direction of arrow D to move the engaging portion 98 away from the engaged portion 92 to move the connector.
  • the main body 18 is brought into the rotation lock released state.
  • FIG. 14 is a perspective view of a main part showing a high-frequency treatment instrument 10D according to the fifth embodiment.
  • the lock switch 110 shown in FIG. 14 is provided with a plurality of engaged portions 92, 92...
  • the engaged portion 92 to be engaged with the engaging portion 98 can be selected from a plurality of engaged portions 92, 92.
  • the direction of the water injection connector 20 can be changed to a desired position.
  • FIG. 15 is a perspective view of a main part showing a high-frequency treatment instrument 10E according to the sixth embodiment.
  • the main body shaft portion 36 shown in FIG. 15 has a connecting member 120.
  • the connecting member 120 is connected to the main body shaft portion 36 to lock the connector main body 18 in a non-rotatable state. By releasing the connection, it is possible to make a transition to a rotation lock release state in which the connector main body 18 can be rotated.
  • the connecting member 120 shown in FIG. 15 includes a plurality of bridge pieces 122 that can be broken by transmitting a rotational force. Are provided at intervals around the distal end of the main body shaft portion 36, and are connected around the proximal end of the connector main body 18.
  • the connector main body 18 is connected to the main body shaft portion 36 via the bridge pieces 122, 122.
  • the connector main body 18 is rotated about the rotary shaft 28 with respect to the main body shaft portion 36, all of the bridge pieces 122 are broken by the rotational force. That is, when all of the bridge pieces 122 are broken, the connector main body 18 transitions from the rotation lock state to the rotation lock release state.
  • the following effects can be obtained by providing the above-described connecting member 120.
  • the rotation locked state is maintained.
  • the operability when the syringe 32 is connected is improved, and the usability is improved.
  • the connector body 18 is rotated with respect to the main body shaft 36 to break all the bridge pieces 122, 122,.
  • the lock is released.
  • the operability when the water supply tube 34 is connected is improved, and the usability is improved.
  • the connector main body 18 can be transitioned from the rotation lock state to the rotation lock release state. This is suitable for the disposable type high-frequency treatment tool 10E that is discarded during use.

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

Abstract

L'invention concerne un instrument de traitement endoscopique qui est approprié pour être utilisé avec à la fois une seringue et un tube de distribution d'eau. La présente invention comprend une gaine (12), un fil métallique (14), un couteau haute fréquence (16), un corps principal de connecteur (18), un connecteur d'injection d'eau (20), et un corps principal de partie d'actionnement (22). Le corps principal de connecteur (18) est relié au corps principal de partie d'actionnement (22) de façon à pouvoir tourner autour d'un axe de rotation (28). Le corps principal de connecteur (18) a une partie de mise en prise (62), et le corps principal de partie d'actionnement (22) a un corps de mise en prise mobile (64) qui peut être actionné entre : un état verrouillé en rotation dans lequel le corps de mise en prise mobile (64) est mis en prise par la partie de mise en prise (62), et le corps principal de connecteur (18) est verrouillé de manière à être incapable de tourner ; et un état déverrouillé par rotation dans lequel le corps de mise en prise mobile (64) est désengagé, et le corps principal de connecteur (18) peut tourner.
PCT/JP2019/024528 2018-07-23 2019-06-20 Instrument de traitement endoscopique Ceased WO2020021923A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020532220A JP6931427B2 (ja) 2018-07-23 2019-06-20 内視鏡処置具
CN201980048478.2A CN112449584B (zh) 2018-07-23 2019-06-20 内窥镜处置器具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018137454 2018-07-23
JP2018-137454 2018-07-23

Publications (1)

Publication Number Publication Date
WO2020021923A1 true WO2020021923A1 (fr) 2020-01-30

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PCT/JP2019/024528 Ceased WO2020021923A1 (fr) 2018-07-23 2019-06-20 Instrument de traitement endoscopique

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CN (1) CN112449584B (fr)
WO (1) WO2020021923A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023242407A1 (fr) * 2022-06-17 2023-12-21 Creo Medical Ltd Joint d'interface

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102797287B1 (ko) * 2023-07-03 2025-04-21 국립강릉원주대학교산학협력단 파지구 회전이 용이한 내시경용 처치기구

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007117532A (ja) * 2005-10-31 2007-05-17 Pentax Corp 内視鏡用高周波切開具
JP2012075657A (ja) * 2010-09-30 2012-04-19 Fujifilm Corp 内視鏡用処置具
WO2016009702A1 (fr) * 2014-07-15 2016-01-21 オリンパス株式会社 Dispositif de distribution de liquide et dispositif de traitement
WO2017203636A1 (fr) * 2016-05-25 2017-11-30 オリンパス株式会社 Dispositif d'alimentation de liquide, unité dispositif de traitement, et système de traitement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007117532A (ja) * 2005-10-31 2007-05-17 Pentax Corp 内視鏡用高周波切開具
JP2012075657A (ja) * 2010-09-30 2012-04-19 Fujifilm Corp 内視鏡用処置具
WO2016009702A1 (fr) * 2014-07-15 2016-01-21 オリンパス株式会社 Dispositif de distribution de liquide et dispositif de traitement
WO2017203636A1 (fr) * 2016-05-25 2017-11-30 オリンパス株式会社 Dispositif d'alimentation de liquide, unité dispositif de traitement, et système de traitement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023242407A1 (fr) * 2022-06-17 2023-12-21 Creo Medical Ltd Joint d'interface

Also Published As

Publication number Publication date
JPWO2020021923A1 (ja) 2021-08-02
CN112449584A (zh) 2021-03-05
CN112449584B (zh) 2024-11-01
JP6931427B2 (ja) 2021-09-08

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