US 2010/0146799 A1 · Guarded Surgical Knife

Abstract

A blade protection device that includes an instrument body, a blade connected to the instrument body, and a guard slidably mounted on, and completely surrounding the instrument body. The guard may be slid between a guard-retracted position in which the blade is exposed for use, and a guard-extended position for covering the sharp cutting edge of the blade. In the guard-retracted position, instrument body may be exposed at both the distal and proximal ends to allow improved control and blade orientation. The retracted guard may allow the user to firmly grip both the proximal and distal portions of the instrument body. The instrument body may be molded as a single piece with the blade holder to prevent unwanted blade or handle movement. The slideably mountable guard may be locked, or latched, in both the guard- extended position and in the guard-retracted position.

Claims8

Dependent claims

A blade protection device, comprising:

an instrument body having a blade-carrying end;
a slidably mountable guard comprising:
a tubular section adapted to slidably fit said instrument body;
a guard section, joined to said tubular section, and shaped to enclose said blade in a guard-extended position;
an elongated hole in said mountable guard, extending substantially from the junction of said tubular and guard sections to a predetermined position along said tubular section and shaped to slidably accommodate a protrusion on said instrument body;
and
an L-shaped extension to said elongated hole, shaped to releasably engage said protrusion thereby providing a guard-extended latch for latching said blade within said guard section;
and
a guard-retracted latch for latching said blade so as to protrude from said guard section.

6 more elements

Dependencies are inferred from the claim text.

Guarded Surgical Knife

Life of this patent

Guarded Surgical Knife

Life of this patent

Abstract

Claims8