Title:
３アームクランプ
Document Type and Number:
Japanese Patent JP7357170
Kind Code:
B2
Abstract:
Disclosed is a three-arm clamp, which belongs to the technical field of endoscopic medical devices. The three-arm clamp comprises: a clamping assembly (10) and a releasing member (20) connected to each other, wherein the clamping assembly (10) comprises a fixed arm (11), and two movable arms (12) respectively rotatably connected to the fixed arm (11) by means of a hinge pin (101); the proximal end of each movable arm (12) is provided with a first sliding slot (120), and a sliding slot pin (30) is slidably arranged in the first sliding slot (120); the proximal end of the fixed arm (11) is further provided with an inner cavity, and the releasing member (20) is inserted into the inner cavity and connected to the sliding slot pin (30); the proximal end of each movable arm (12) is further provided with an elastic sheet (121); the movable arms (12) and the fixed arm (11) are closed by means of clamping, and the elastic sheets (121) are folded in the inner cavity, in a radial direction of the fixed arm (11), from a connecting end to a free end and abut against the releasing member (20); and the releasing member (20) is separated from the movable arms (12), and the free end of each elastic sheet (121) elastically abuts against the inner wall of the inner cavity. The three-arm clamp can simply, quickly and effectively carry out clamping and suturing of a large defect of the digestive tract and a defect at a site difficult to operate in a minimally invasive endoscopic surgical operation.
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Inventors:
Zhang Qiang
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Li Changqing
Shen Zhenghua
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Dong Ho
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Shen Zhenghua
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Application Number:
JP2022567814A
Publication Date:
October 05, 2023
Filing Date:
April 20, 2021
Export Citation:
Assignee:
MICRO-TECH (NANJING) CO., LTD.
Zhang Qiang
Zhang Qiang
International Classes:
A61B17/29
Domestic Patent References:
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Foreign References:
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Attorney, Agent or Firm:
Patent Attorney Corporation Okada International Patent Office