Patent · US Expired

Surgical instrument

US5851212A · kind A · utility

1,423Cited by

5References

19Claims

0Family size

Assignee

Endius Incorporated · US

Inventors

Christopher Zirps · Milton, US
Newton E. Mack · Somerville, US

Key dates

Filing date	Jun 11, 1997
Grant date	Dec 22, 1998
Priority date	—
Expiry date	Jun 11, 2017

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2034/742
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical instrument (10) includes a handle (12), a rigid stem section (20) extending from the handle, and a flexible stem section (24) extending from the rigid stem section. A surgical tool (30) connected with a distal end of the flexible stem section (24) includes a movable part (34). The flexible stem section (24) comprises a bendable outer tubular member (50) and a bendable inner tubular member (90) slidable within the outer tubular member. The inner tubular member (90) has a neutral axis of bending (100) spaced apart from the neutral axis of bending (68) of the outer tubular member (50). The flexible stem section (24) is movable between a plurality of orientations relative to an axis (48) in response to relative sliding movement between the inner and outer tubular members (90, 50).

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