06206844 is referenced by 156 patents and cites 19 patents.

The present invention is directed to an ultrasonic surgical instrument including an improved outer sheath which is removable and which rotateably engages the ultrasonic waveguide to facilitate attachment of the ultrasonic instrument to a handpiece. In particular, in one embodiment of the present invention, an improved sheath includes a first and second sheath pin slots extending from the proximal end of the sheath to first and second sheath pinholes respectively. An ultrasonic surgical instrument according to the present invention further includes a connector pin, the connector pin extending through the first sheath pinhole, a waveguide pinhole and the second sheath pinhole and an attachment hub surrounding the outer sheath, wherein the attachment hub is slideable over the outer sheath. A first pin slot may be positioned on an inner surface of the attachment hub wherein the connector pin engages the first pin slot when the attachment hub is in its proximal most position.

Title
Reusable ultrasonic surgical instrument with removable outer sheath
Application Number
9/344582
Publication Number
6206844 (B1)
Application Date
June 25, 1999
Publication Date
March 27, 2001
Inventor
Jean M Beaupre
Cincinnati
OH, US
Lee E Reichel
Springboro
OH, US
Assignee
Ethicon Endo Surgery
OH, US
IPC
A61B 17/00
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