Patent · US Active

Robotic surgical assemblies and electrosurgical instruments thereof

US10722295B2 · kind B2 · utility

0Cited by
2References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 20, 2016
Grant dateJul 28, 2020
Priority date—
Expiry dateDec 8, 2036

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2090/034
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An actuation mechanism for actuating an electrosurgical end effector includes a housing and a shaft assembly extending distally from the housing. The shaft assembly includes an elongate collar, a shaft extending through the elongate collar, and a longitudinal bar axially movable relative to the shaft. The elongate collar has an internal threadform extending along a length thereof. The longitudinal bar includes a proximal end having an extension engaged to the internal threadform of the elongate collar and a distal end configured to be coupled to a knife blade of an electrosurgical end effector. Rotation of the elongate collar axially moves the longitudinal bar relative to the elongate collar to move the knife blade.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.