Inventor
CHEN WANGDONG
CN27 patents
⚠️ This page may combine multiple inventors who share the name “CHEN WANGDONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
15 patentsUS10772628B2Sep 15, 2020
Staple cartridge assembly and medical stapler using the staple cartridge assembly
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD567 citations98
US10888323B2Jan 12, 2021
Staple cartridge assembly and medical stapler using the staple cartridge assembly
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD424 citations97
US9861363B2Jan 9, 2018
Linear surgical stapler
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD248 citations97
US10136888B2Nov 27, 2018
Circular stapler and staple head assembly thereof
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD80 citations96
US9888923B2Feb 13, 2018
Firing assembly for surgical stapler and surgical stapler
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD14 citations84
US10835244B2Nov 17, 2020
Tissue closure device, tissue closure component, and medical instrument
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD2 citations67
US11364031B2Jun 21, 2022
Handle assembly and stapler including the same
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations62
US11123064B2Sep 21, 2021
Tissue closure device
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD1 citations61
US11096695B2Aug 24, 2021
Circular stapler and staple head assembly thereof
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations53
US10675029B2Jun 9, 2020
Staple chamber assembly and linear surgical stitching device using said staple chamber assembly
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations51
US9381017B2Jul 5, 2016
Linear surgical stapler with rotatable operation button
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD1 citations50
US12433594B2Oct 7, 2025
Anastomosis protection device
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations48
US11123072B2Sep 21, 2021
Tissue closure device and medical instrument
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations47
US10070864B2Sep 11, 2018
Loading unit assembly and linear surgical stapler with loading unit assembly
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations39
US10226255B2Mar 12, 2019
Medical anastomosis device
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD0 citations37
CHEN WANGDONG
6 patentsUS9931120B2Apr 3, 2018
Staple chamber assembly and linear surgical stitching device using said staple chamber assembly
CHEN WANGDONG707 citations98
US9700315B2Jul 11, 2017
Linear cutting stapler
CHEN WANGDONG517 citations97
US9433414B2Sep 6, 2016
Linear cutting stapler
CHEN WANGDONG711 citations97
US8585719B2Nov 19, 2013
Instrument for anorectal surgery
CHEN WANGDONG11 citations82
US8172123B2May 8, 2012
Surgical stapling head assembly with a rotary cutter
CHEN WANGDONG2 citations56
US9629634B2Apr 25, 2017
Introducer accessory
CHEN WANGDONG0 citations38
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD
6 patentsUS10806453B2Oct 20, 2020
Stapling head assembly and suturing and cutting apparatus for endoscopic surgery
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD708 citations97
US10433848B2Oct 8, 2019
Circular stapler and staple head assembly thereof
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD30 citations89
US10265070B2Apr 23, 2019
Linear cutting stapler
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD3 citations71
US9826979B2Nov 28, 2017
Introducer and circular stapler
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD3 citations69
US10603063B2Mar 31, 2020
Suturing and cutting apparatus for endoscopic surgery
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD0 citations39
US10327770B2Jun 25, 2019
Linear cutting stapler
SUZHOU TOUCHSTONE INT MEDICAL SCIENCE CO LTD0 citations38