Granted Patent B2

US 9,387,005 · App. 13/931,003 · Granted Jul 12, 2016

Abstract

Claims (12)

1. An ultrasonic surgical tool comprising:

a substantially planar blade body having a pair of opposed lateral surfaces; and a

shank integral on a distal side with said blade body and provided at a proximal side with a connector for operatively linking the blade to a source of ultrasonic mechanical vibrations,

said blade body being provided in at least one of said lateral surfaces with a shallow recess nearly coextensive with said one of said lateral surfaces,

said at least one of said lateral surfaces forming a raised rim surrounding and defining said recess,

said rim being narrow on a distal side of said blade body and along two lateral sides of said blade body,

said blade body being provided in said recess with a through hole enabling liquid flow from said recess to an opposing side of said blade body,

said shank being provided with a bore or channel having an outlet communicating with said recess and enabling liquid flow into said recess from a source connected to said channel,

said outlet being disposed at a proximal end of said recess and at a distance from said through hole.

2. The surgical tool of claim 1 wherein said recess is one of two recesses each provided in one of said lateral surfaces, each defined by a surrounding rim, said through hole enabling liquid communication between said recesses.

3. The surgical tool of claim 2 wherein each of said recesses occupies a major portion of a respective major side of said blade body, the rim of each of said recesses defining a shallow sidewall extending parallel to said distal side and said lateral sides of said blade body.

4. The surgical tool of claim 1 wherein said blade body and said recess are elongate and said through hole is a slot.

Assignments (10)