Invention Grant
- Patent Title: Medical anastomosis device
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Application No.: US15278961Application Date: 2016-09-28
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Publication No.: US10226255B2Publication Date: 2019-03-12
- Inventor: Wangdong Chen , Shuicheng Ding , Yanbo Shi
- Applicant: Touchstone International Medical Science Co., Ltd.
- Applicant Address: CN Jiangsu
- Assignee: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
- Current Assignee: TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
- Current Assignee Address: CN Jiangsu
- Agency: Seed IP Law Group LLP
- Priority: CN201410135296 20140404; CN201510112664 20150313
- Main IPC: A61B17/072
- IPC: A61B17/072 ; A61B17/115 ; A61B17/068 ; A61B90/00 ; A61B17/29

Abstract:
A medical anastomosis device (100), having a firing assembly (50), a staple anvil (30), a staple anvil assembly (34), and a staple cartridge assembly (32); the firing assembly (50) includes a staple cartridge push rod (54) provided with a stop pin (542) thereon; the staple anvil (30) is provided with a safety block (38) therein capable of coordinating with the stop pin (542); the safety block (38) is provided with a clamping groove (384) thereon; when the anastomosis device (100) is in an initial status, the safety block (38) and the stop pin (542) do not contact each other; when the anastomosis device (100) is in a firing status, the movement of the safety block (38) is restricted, and the clamping groove (384) is located on a movement route from the distal end of the medical anastomosis device (100) to the proximal end; and when the anastomosis device (100) returns to the initial status after being fired, the stop pin (542) is clamped in the clamping groove (384), and the safety block (38) limits the stop pin (542) in the direction from the proximal end of the medical anastomosis device (100) to the distal end. The three status jointly compose the complete firing process of the staple cartridge assembly (32), preventing a second firing of the staple cartridge push rod (54) to ensure operation safety.
Public/Granted literature
- US20170014134A1 MEDICAL ANASTOMOSIS DEVICE Public/Granted day:2017-01-19
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