Patent · US Active

End-effector force measurement drive circuit

US11428591B2 · kind B2 · utility

0Cited by

25References

20Claims

0Family size

Assignee

Covidien LP · US

Inventors

Ethan Collins · Naugatuck, US
John Hryb · Southington, US
Anthony Calderoni · Bristol, US
John Pantazis · Stratford, US

Key dates

Filing date	Jan 4, 2019
Grant date	Aug 30, 2022
Priority date	—
Expiry date	Mar 2, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/064
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical instrument for applying fasteners includes a drive motor, a replaceable loading unit having an end-effector assembly, and an adapter configured to releasably couple a replaceable loading unit to the drive motor. The adapter includes a strain gauge having a drive circuit coupled thereto. The strain gauge and the drive circuit are configured to directly measure a driving force in the adapter.

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