Patent · US Expired

Surgical cutting instrument

US4867157A · kind A · utility

654Cited by
20References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1987
Grant dateSep 19, 1989
Priority date
Expiry dateSep 30, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B17/32002
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A surgical cutting instrument comprising an outer tube having a peripheral wall and a longitudinal axis. The outer tube has a plurality of openings arranged generally longitudinally along the outer tube. Each of the openings has first and second cutting edges defining portions of the periphery of such openings. An inner cutting member is rotatable within the outer tube. The inner cutting member has at least one cutting edge cooperable with the first and second cutting edges of the openings of the outer tube for cutting material from within the patient with a shearing action.

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