Inventor
KOLLAR CHARLES R
US34 patents
Patents
34 patentsUS11051820B2Jul 6, 2021
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP5 citations84
US10881411B2Jan 5, 2021
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP2 citations84
US11832821B2Dec 5, 2023
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP0 citations73
US11653924B2May 23, 2023
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP0 citations73
US11033273B2Jun 15, 2021
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP0 citations73
US10959733B2Mar 30, 2021
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP0 citations73
US11596400B2Mar 7, 2023
Handheld electromechanical surgical system
COVIDIEN LP5 citations72
US11730482B2Aug 22, 2023
Inserts, splines, and methods for reducing and/or eliminating spline crash in surgical instruments
COVIDIEN LP2 citations71
US10987107B2Apr 27, 2021
Surgical stapling device
COVIDIEN LP6 citations71
US11622768B2Apr 11, 2023
Methods and structure for confirming proper assembly of powered surgical stapling systems
COVIDIEN LP2 citations70
US11446037B2Sep 20, 2022
Handheld electromechanical surgical system
COVIDIEN LP6 citations70
US11006959B2May 18, 2021
Surgical anvil assemblies for surgical stapling instruments
COVIDIEN LP0 citations67
US12357313B2Jul 15, 2025
Cut optimization for excessive tissue conditions
COVIDIEN LP0 citations61
US11911038B2Feb 27, 2024
Cut optimization for excessive tissue conditions
COVIDIEN LP1 citations61
US11771432B2Oct 3, 2023
Stapling and cutting to default values in the event of strain gauge data integrity loss
COVIDIEN LP0 citations61
US11712509B2Aug 1, 2023
Seal assembly for circular stapling instrument
COVIDIEN LP0 citations61
US11607224B2Mar 21, 2023
Systems and methods for powered surgical circular stapling instrument rotation adjustment
COVIDIEN LP0 citations61
US12433596B2Oct 7, 2025
Inserts, splines, and methods for reducing and/or eliminating spline crash in surgical instruments
COVIDIEN LP0 citations60
US12329378B2Jun 17, 2025
Handheld electromechanical surgical system
COVIDIEN LP0 citations60
US12064118B2Aug 20, 2024
Inserts, splines, and methods for reducing and/or eliminating spline crash in surgical instruments
COVIDIEN LP0 citations60
US12029428B2Jul 9, 2024
Methods and structure for confirming proper assembly of powered surgical stapling systems
COVIDIEN LP0 citations60
US11819208B2Nov 21, 2023
Handheld electromechanical surgical device with strain gauge drift detection
COVIDIEN LP0 citations60
US12521118B2Jan 13, 2026
Handheld electromechanical surgical system
COVIDIEN LP0 citations59
US12251109B2Mar 18, 2025
Handheld electromechanical surgical system
COVIDIEN LP0 citations59
US12133651B2Nov 5, 2024
Tissue relaxation monitoring for optimized tissue stapling
COVIDIEN LP0 citations58
US11653925B2May 23, 2023
Tissue relaxation monitoring for optimized tissue stapling
COVIDIEN LP1 citations58
US11653916B2May 23, 2023
Surgical buttress for circular stapling
COVIDIEN LP0 citations57
US11141151B2Oct 12, 2021
Surgical buttress for circular stapling
COVIDIEN LP1 citations57
US12569250B2Mar 10, 2026
Systems and methods for clamping and stapling to a pressure by a surgical stapling instrument
COVIDIEN LP0 citations50
US12343016B2Jul 1, 2025
Handheld electromechanical surgical system
COVIDIEN LP0 citations50
US12213674B2Feb 4, 2025
Determination of premature staple ejection
COVIDIEN LP0 citations50
US11832823B2Dec 5, 2023
Determination of anvil release during anastomosis
COVIDIEN LP0 citations50
US11090054B2Aug 17, 2021
Stapling device with resettable tilt anvil assembly
COVIDIEN LP0 citations49
US12245767B2Mar 11, 2025
Handheld electromechanical surgical system
COVIDIEN LP0 citations47