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Patents Grants
last 30 patents
Information
Patent Grant
Closure driving mechanism and medical stapler including the same
Patent number
11,980,361
Issue date
May 14, 2024
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Tissue closure device
Patent number
11,123,064
Issue date
Sep 21, 2021
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Circular stapler and staple head assembly thereof
Patent number
10,136,888
Issue date
Nov 27, 2018
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Introducer accessory
Patent number
9,629,634
Issue date
Apr 25, 2017
Suzhou Touchstone International Medical Science Co., Ltd
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Linear surgical stapler with rotatable operation button
Patent number
9,381,017
Issue date
Jul 5, 2016
Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
CLOSURE DRIVING MECHANISM AND SURGICAL STAPLER
Publication number
20220330938
Publication date
Oct 20, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CLOSURE DRIVING MECHANISM AND SURGICAL STAPLER
Publication number
20220323077
Publication date
Oct 13, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CLOSURE DRIVING MECHANISM AND MEDICAL STAPLER INCLUDING THE SAME
Publication number
20220323068
Publication date
Oct 13, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng Shan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
FIRING MECHANISM AND STAPLER
Publication number
20220031330
Publication date
Feb 3, 2022
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Teng SHAN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
TISSUE CLOSURE DEVICE
Publication number
20190167265
Publication date
Jun 6, 2019
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong CHEN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
LINEAR SUTURING AND CUTTING DEVICE
Publication number
20160324519
Publication date
Nov 10, 2016
Suzhou Touchstone International Medical Science Co., Ltd.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CIRCULAR STAPLER AND STAPLE HEAD ASSEMBLY THEREOF
Publication number
20150289872
Publication date
Oct 15, 2015
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
GUIDE APPENDAGE
Publication number
20140203064
Publication date
Jul 24, 2014
Suzhou Touchstone International Medical Science Co., Ltd.
Wangdong Chen
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
LINEAR SURGICAL STAPLER WITH ROTATABLE OPERATION BUTTON
Publication number
20140103094
Publication date
Apr 17, 2014
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD.
Wangdong CHEN
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...