IP Library Granted Patent US 7,600,405
Granted Patent B2
US 7,600,405 · App. 11/520,316 · Granted Oct 13, 2009

Microsurgical probe

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Quick Facts
Patent No.
US 7,600,405
App. No.
11/520,316
Granted
Oct 13, 2009
Kind
B2
Abstract

Microsurgical probes having a distal tip with a flat outer surface and a flat inner surface, and methods of forming such probes, are disclosed.

Claims (6)

1. A method of forming a vitrectomy probe, comprising;

disposing a tubular needle within a collet;

rotating said collet and said needle at high speed;

providing a tool having a generally flat distal surface with a convex spherical projection extending from said generally flat distal surface;

contacting an edge of a distal end of said needle with said convex, spherical projection; and

moving said tool across said distal end of said needle from said edge to slightly past a centerline of said needle so that said distal end of said needle is formed into a closed distal tip having a flat outer surface and a flat inner surface.

Assignments (3)
CONFIRMATORY DEED OF ASSIGNMENT EFFECTIVE APRIL 8, 2019 Recorded Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →
MERGER Recorded May 31, 2011
From: ALCON, INC.
To: NOVARTIS AG
Reel/Frame 026376/0076 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 24, 2006
From: MAURER, JR., ROBERT S.; BURKMAN, BRIAN D.; MARTIN, RANDALL R.; KETNER, JR., DALE E.
To: ALCON, INC.
Reel/Frame 018452/0509 →