Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2008-03-11
2008-03-11
Lucchesi, Nicholas (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S209000
Reexamination Certificate
active
10520739
ABSTRACT:
A veterinary syringe comprises a base body for receiving a syringe barrel with a guiding element for a plunger rod that is guided therein so as to be movable in a longitudinal direction. At one end of the plunger rod, a plunger is attached that extends into the syringe barrel. The syringe further comprises a handle and an operating lever. The operating lever is connected to a guiding element that engages with a toothed rack associated with the plunger rod, and with a locking device for the plunger rod that engages with the toothed rack. The locking device acts as a locking slider disposed inside the guiding element and has an opening through which the plunger rod is guided and extends into the toothed rack from below, locking the toothed rack so as to prevent it from withdrawing.
REFERENCES:
patent: 2316095 (1943-04-01), Mead, Jr.
patent: 3504673 (1970-04-01), Parisi
patent: 3517668 (1970-06-01), Brickson
patent: 197 32 332 (1999-02-01), None
patent: 2 480 126 (1981-10-01), None
patent: 2 630 330 (1989-10-01), None
(Photographs of first syringe—A) Manufactured by N.J. Phillips Pty. Ltd., Sidney, Australia, known or used by others at least as early as Dec. 2001.
(Photographs of second syringe—B) Manufactured by Henke-Sass, Wolf GmbH, Tuttlingen, Germany, HSW Roux-Revolver, known or used by others at least as early as Dec. 2001.
Henke-Sass Wolf GmbH
Lucchesi Nicholas
Patterson Thuente Skaar & Christensen P.A.
Stigell Theodore J.
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