Inventor
HAMMERLAND III JOHN A
US19 patents
Patents
19 patentsUS11033289B2Jun 15, 2021
Jaw guard for surgical forceps
COVIDIEN LP4 citations71
US10869716B2Dec 22, 2020
Powered bipolar resectoscope
COVIDIEN LP5 citations69
US10383682B2Aug 20, 2019
Powered bipolar resectoscope
COVIDIEN LP3 citations69
US11504201B2Nov 22, 2022
Haptic touch feedback surgical device for palpating tissue
COVIDIEN LP1 citations62
US11318032B2May 3, 2022
Sphincter assist device and method of use
COVIDIEN LP0 citations62
US10603199B2Mar 31, 2020
Sphincter assist device and method of use
COVIDIEN LP1 citations62
US12433663B2Oct 7, 2025
Electrosurgical forceps including energized cutting element
COVIDIEN LP0 citations61
US11896256B2Feb 13, 2024
Jaw guard for surgical forceps
COVIDIEN LP0 citations61
US11793520B2Oct 24, 2023
Trigger mechanisms for surgical instruments and surgical instruments including the same
COVIDIEN LP0 citations61
US11612403B2Mar 28, 2023
Multi-function surgical transection instrument
COVIDIEN LP1 citations61
US11529186B2Dec 20, 2022
Electrosurgical forceps including thermal cutting element
COVIDIEN LP1 citations61
US11090050B2Aug 17, 2021
Trigger mechanisms for surgical instruments and surgical instruments including the same
COVIDIEN LP1 citations61
US11246644B2Feb 15, 2022
Surface ablation using bipolar RF electrode
COVIDIEN LP0 citations60
US11771496B2Oct 3, 2023
Surgical instruments incorporating light energy tissue treatment functionality
COVIDIEN LP0 citations51
US11331144B2May 17, 2022
Light energy surgical system, apparatus, and method
COVIDIEN LP0 citations51
US12343065B2Jul 1, 2025
Energy-based surgical instrument for grasping, treating, and/or dividing tissue
COVIDIEN LP0 citations47
US12059196B2Aug 13, 2024
Energy-based surgical instrument for grasping, treating, and/or dividing tissue
COVIDIEN LP0 citations47
US11806068B2Nov 7, 2023
Energy-based surgical instrument for grasping, treating, and/or dividing tissue
COVIDIEN LP0 citations47
US11547466B2Jan 10, 2023
Visualization devices and methods for use in surgical procedures
COVIDIEN LP0 citations41