Patent · US Active

Surgical instrument with rapid post event detection

US10838372B2 · kind B2 · utility

0Cited by

49References

18Claims

0Family size

Assignee

Covidien LP · US

Inventors

Thomas Wingardner · North Haven, US
Philip Irka · Madison, US
Michael Ingmanson · Stratford, US

Key dates

Filing date	Dec 20, 2018
Grant date	Nov 17, 2020
Priority date	—
Expiry date	May 14, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/0814
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical instrument is disclosed, the instrument including: a handle assembly; a jaw assembly including a staple cartridge containing a plurality of staples and an anvil to form the plurality of staples upon firing; a lockout mechanism configured to prevent reuse of the jaw assembly; a drive assembly at least partially located within the handle and connected to the jaw assembly; a motor operatively coupled to the drive assembly; and a controller operatively coupled to the motor, the controller configured to control supply of electrical current to the motor and to monitor a current draw of the motor, wherein the controller is further configured to terminate the supply of electrical current to the motor in response to a drop in the current draw.

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