Surgery – Instruments – Cutting – puncturing or piercing
Reexamination Certificate
2005-10-25
2005-10-25
Woo, Julian W. (Department: 3731)
Surgery
Instruments
Cutting, puncturing or piercing
C606S205000, C606S051000
Reexamination Certificate
active
06958070
ABSTRACT:
The present invention relates to ultrasonic surgical clamping instruments and, more particularly, to a curved clamp arm tissue pad attachment for use with ultrasonic surgical instruments. A curved clamp arm for use with an ultrasonic surgical instrument is described. The curved clamp arm includes a proximal end and a distal end, with a top surface extending from the proximal end to the distal end of the curved clamp arm. The top surface comprises at least one hole. The clamp arm includes a bottom surface opposite the top surface, with the bottom surface extending from the proximal end to the distal end of the clamp arm. The bottom surface includes at least one engaging surface, where the hole in the top surface extends from the top surface to the engaging surface of the clamp arm. One embodiment of the curved clamp includes a plurality of the holes in the top surface, and a plurality of the engaging surfaces in the bottom surface, wherein each hole in the top surface extends through the curved clamp arm, terminating at a corresponding engaging surface on the bottom surface. The plurality of holes may also be staggered laterally from the proximal end of the clamp arm to the distal end of the clamp arm.
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International Standard IEC 61847 Ultrasonic -Surgical systems -“Measurement and declaration of the basic output characteristics” ©IEC 1998 Droits de reproduction reserves.
EPO Search Report dated Aug. 3, 2004 for related patent application 09/412,257, European Patent Application No. 00 96 1666.
Baxter Chester O.
Witt David A.
Kreger, Jr. Verne E.
Woo Julian W.
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