Liquefaction handpiece tip

• US 20060212038A1
• Filed: 03/16/2005
• Published: 09/21/2006
• Est. Priority Date: 03/16/2005
• Status: Active Grant

• Current Assignee: Novartis Ag
• Original Assignee: Alcon Incorporated
• Inventors: Boukhny, Mikhail
• Granted Patent: US 7,967,799 B2
• Time in Patent Office: Days
• US Class Current: 606/107
• CPC Class Codes: A61B 17/3203 Fluid jet cutting instruments
• CPC Class Codes: A61F 9/00745 using mechanical vibrations, e.g. ultrasonic

Abstract

A surgical tip having a spacer or stand-off to keep the distal end of the tip from directly contacting delicate tissue, such as the posterior capsule. In addition, one or more bypass holes may be provided to help vent any excess pressure when the tip is near delicate tissue.

Claims

1. A tip for a liquefaction handpiece, comprising:

an inner tube coaxially mounted within an outer tube so as to form an annular gap between the inner tube and the outer tube, the inner tube having a distal tip and a spacer formed on the distal tip.

2. The tip of claim 1 further comprising at least one bypass hole in the inner tube.

3. A tip for a liquefaction handpiece, comprising:

an inner tube coaxially mounted within an outer tube so as to form an annular gap between the inner tube and the outer tube, the inner tube having a at least one bypass hole.