(19)
(11) EP 4 119 088 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
19.04.2023 Bulletin 2023/16

(43) Date of publication:
18.01.2023 Bulletin 2023/03

(21) Application number: 21803573.1

(22) Date of filing: 20.04.2021
(51) International Patent Classification (IPC): 
A61B 90/00(2016.01)
 A61B 17/04(2006.01)
(52) Cooperative Patent Classification (CPC):
A61B 17/083; A61B 17/1285; A61B 17/122; A61B 2017/00818
(86) International application number:
PCT/CN2021/088489
(87) International publication number:
WO 2021/227793 (18.11.2021 Gazette 2021/46)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 09.05.2020 CN 202010390270

(71) Applicants:
  • Micro-Tech (Nanjing) Co., Ltd.
    Nanjing, Jiangsu 210032 (CN)
  • Zhang, Qiang
    Guangzhou, Guangdong 510000 (CN)

(72) Inventors:
  • ZHANG, Qiang
    Guangzhou, Guangdong 510000 (CN)
  • LI, Changqing
    Nanjing, Jiangsu 210032 (CN)
  • SHEN, Zhenghua
    Nanjing, Jiangsu 210032 (CN)
  • MA, Xiaojun
    Nanjing, Jiangsu 210032 (CN)
  • QIU, Weiqin
    Nanjing, Jiangsu 210032 (CN)
  • DONG, Hao
    Nanjing, Jiangsu 210032 (CN)
  • JIN, Hongyan
    Nanjing, Jiangsu 210032 (CN)

(74) Representative: Busana, Omar 
Jacobacci & Partners S.p.A. Piazza Mario Saggin, 2
35131 Padova
35131 Padova (IT)

   


(54) THREE-ARM CLAMP


(57) 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.