Inventor
GRESHAM RICHARD D
US46 patents
⚠️ This page may combine multiple inventors who share the name “GRESHAM RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TYCO HEALTHCARE
13 patentsUS7896897B2Mar 1, 2011
Sheath introduction apparatus and method
TYCO HEALTHCARE1,109 citations99
US7811251B2Oct 12, 2010
Trocar anchor
TYCO HEALTHCARE163 citations99
US7546940B2Jun 16, 2009
Pivoting anvil assembly for surgical stapling device
TYCO HEALTHCARE2,000 citations99
US7303106B2Dec 4, 2007
Surgical stapling device with visual indicator
TYCO HEALTHCARE2,131 citations99
US7234624B2Jun 26, 2007
Surgical stapling device for performing circular anastomoses
TYCO HEALTHCARE1,988 citations99
US6945444B2Sep 20, 2005
Surgical stapling device for performing circular anastomoses
TYCO HEALTHCARE2,425 citations99
US7850667B2Dec 14, 2010
Low profile instrument access device
TYCO HEALTHCARE117 citations98
US7691089B2Apr 6, 2010
Adjustable trocar washer
TYCO HEALTHCARE75 citations98
US7722610B2May 25, 2010
Multiple coil staple and staple applier
TYCO HEALTHCARE1,591 citations96
US8348122B2Jan 8, 2013
Surgical stapling device
TYCO HEALTHCARE13 citations84
US8012129B2Sep 6, 2011
Surgical portal apparatus with waffle seal
TYCO HEALTHCARE18 citations84
US7329233B2Feb 12, 2008
Surgical system for laparoscopic surgery
TYCO HEALTHCARE13 citations84
US7892170B2Feb 22, 2011
Surgical access device and manufacture thereof
TYCO HEALTHCARE13 citations83
GRESHAM RICHARD D
8 patentsUS8579937B2Nov 12, 2013
Tool member cover and cover deployment device
GRESHAM RICHARD D1,686 citations99
US8464924B2Jun 18, 2013
Surgical stapling device for performing circular anastomoses
GRESHAM RICHARD D1,464 citations99
US8241251B2Aug 14, 2012
Gel seal for a surgical trocar apparatus
GRESHAM RICHARD D12 citations84
US8092423B2Jan 10, 2012
Low profile instrument access device
GRESHAM RICHARD D9 citations84
US8282604B2Oct 9, 2012
Flexible cannula with associated seal
GRESHAM RICHARD D4 citations63
US8753368B2Jun 17, 2014
Sheath introduction apparatus and method
GRESHAM RICHARD D0 citations52
US8708963B2Apr 29, 2014
Gel seal for a surgical trocar apparatus
GRESHAM RICHARD D0 citations52
US8133174B2Mar 13, 2012
Self constricting orifice seal
GRESHAM RICHARD D0 citations42
UNITED STATES SURGICAL CORP
8 patentsUS6024748AFeb 15, 2000
Singleshot anastomosis instrument with detachable loading unit and method
UNITED STATES SURGICAL CORP2,273 citations99
US5895377AApr 20, 1999
Valve system for cannula assembly
UNITED STATES SURGICAL CORP401 citations99
US5657963AAug 19, 1997
Seal assembly for accommodating introduction of surgical instruments
UNITED STATES SURGICAL CORP398 citations99
US5603702AFeb 18, 1997
Valve system for cannula assembly
UNITED STATES SURGICAL CORP538 citations99
US5492304AFeb 20, 1996
Seal assembly for accommodating introduction of surgical instruments
UNITED STATES SURGICAL CORP350 citations99
US5980493ANov 9, 1999
Modular trocar system and methods and assembly
UNITED STATES SURGICAL CORP133 citations98
US5807338ASep 15, 1998
Modular trocar system and methods of assembly
UNITED STATES SURGICAL CORP199 citations98
US5967974AOct 19, 1999
Surgical retractor
UNITED STATES SURGICAL CORP38 citations93
COVIDIEN LP
6 patentsUS9307994B2Apr 12, 2016
Surgical stapling device for performing circular anastomoses
COVIDIEN LP1,141 citations98
US9693771B2Jul 4, 2017
Method of forming a staple for use in surgical procedures
COVIDIEN LP3 citations73
US9022986B2May 5, 2015
Surgical portal with gel and fabric seal assembly
COVIDIEN LP4 citations73
US8357123B2Jan 22, 2013
Surgical portal with gel and fabric seal assembly
COVIDIEN LP5 citations73
US10058329B2Aug 28, 2018
Surgical stapling device for performing circular anastomoses
COVIDIEN LP1 citations62
US9119604B2Sep 1, 2015
Tool member cover and cover deployment device
COVIDIEN LP1 citations52
INTUITIVE SURGICAL OPERATIONS
5 patentsUS11000331B2May 11, 2021
Electrosurgical tool cover
INTUITIVE SURGICAL OPERATIONS65 citations97
US11272977B2Mar 15, 2022
Medical instrument electrically energized using drive cables
INTUITIVE SURGICAL OPERATIONS9 citations86
US11357566B2Jun 14, 2022
Medical instrument electrically energized using drive cables
INTUITIVE SURGICAL OPERATIONS4 citations84
US10039594B2Aug 7, 2018
Electrosurgical tool cover
INTUITIVE SURGICAL OPERATIONS5 citations83
US12262938B2Apr 1, 2025
Medical instrument electrically energized using drive cables
INTUITIVE SURGICAL OPERATIONS1 citations75