Jeffrey M Landis

US Patent:

8256330, Sep 4, 2012

Filed:

Nov 17, 2009

Appl. No.:

12/620251

Inventors:

Gregory Allen Auchter - Reading PA, US
Randal Lee Berardi - Ephrata PA, US
Edwin Warren Blatt - Denver PA, US
Jeffrey Kirk Landis - Birdsboro PA, US
David Robert Schiff - Highland Park NJ, US
Seth McCue GaleWyrick - Asheville NC, US

Assignee:

Alcon Research, Ltd. - Fort Worth TX

International Classification:

A61B 17/32
B26B 3/00

US Classification:

83 13, 30 2, 30151, 30329, 606167

Abstract:

A guarded surgical knife handle includes a lower handle portion, an upper handle postion, and a button. The lower handle portion includes a blade holder, a proximal pair of lateral shelves, and a distal pair of lateral shelves. The upper handle portion includes a guard portion, a proximal post between the proximal pair of shelves with a first widened post portion wider than the lateral spacing between the shelves, and a distal post between the distal pair of shelves with a second widened post portion wider than the lateral spacing between the shelves. The button has a button waist narrower than the second lateral spacing and a widened button portion below the button waist wider than the second lateral spacing. A bias member connected to the button and at least one of the handle portions provides an upward force on the button.