Inventor

NORVELL DAVID K

US55 patents

⚠️ This page may combine multiple inventors who share the name “NORVELL DAVID K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NORVELL DAVID K

ETHICON ENDO SURGERY INC

Surgical instrument

Ultrasonic surgical instruments

Haptic feedback devices for surgical robot

Surgical instrument with multiple clamping mechanisms

End effector with compliant clamping jaw

Surgical access device

Rotating transducer mount for ultrasonic surgical instruments

Surgeon feedback sensing and display methods

Surgical instruments and end effectors therefor

Surgical instrument with partial trigger lockout

Multi-angled duckbill seal assembly

Trocar

Trocar seal with retraction induced hinge

ETHICON LLC

Feedback devices for surgical control systems

Haptic feedback devices for surgical robot

Ultrasonic surgical instruments

Clamping assembly for linear surgical stapler

Esophagus sizing instrument

Linear surgical stapler

Linear surgical stapler

Linear surgical stapler

Articulation joint features for articulating surgical device

Surgical access device

Surgical instruments with position-dependent actuator cooperation and impedance

CILAG GMBH INT

Lockout feature for linear surgical stapler cartridge

Ultrasonic surgical instruments

Lockout feature for linear surgical stapler cartridge

Linear surgical stapler

Articulation joint features for articulating surgical device

Linear surgical stapler

Articulation joint features for articulating surgical device

Surgical access device

ETHICON ENDO SURGERY LLC

End effector with a clamp arm assembly and blade

Surgical instrument with jaw member

Surgical access device

Articulation joint features for articulating surgical device

Surgical access device

WORRELL BARRY C

Articulation joint features for articulating surgical device

Haptic feedback devices for surgical robot

WIENER EITAN T

Ultrasonic surgical instruments

Rotating transducer mount for ultrasonic surgical instruments

WOODRUFF SCOTT A

Electrosurgical cutting and sealing instrument

Electrosurgical cutting and sealing instrument

WIDENHOUSE CHRISTOPHER W

Surgical access device

HUANG ZHIFAN F

Surgical instruments with electrodes

WEIZMAN PATRICK A

Surgical instruments and end effectors therefor

NORVELL DAVID K

Electrosurgical instrument employing multiple positive temperature coefficient electrodes

ZEINER MARK S

Trocar seal assembly

FRANER PAUL T

Trocar seal with retraction induced hinge

MICHAEL CROPPER S

Conical trocar seal