Surgery – Instruments – Light application
Patent
1992-11-04
1994-10-04
Pellegrino, Stephen C.
Surgery
Instruments
Light application
606 17, A61B 1736
Patent
active
053522214
ABSTRACT:
An apparatus for use with a laser surgical tool comprises an elongate substantially hollow sheath having a pair of spaced apart axially extending guide members on a distal end and an attaching mechanism on the second end for ready attachment to a laser knife. The attaching mechanism is a grooved surface permitting rotation of the elongate sheath about its longitudinal axis which is coincident with the longitudinal axis of the laser knife. A second attaching mechanism comprises a plurality of circumferentially spaced apart, radially inwardly extending protuberances which matingly engage corresponding dimples on the laser knife preventing rotation of the sheath about the longitudinal axis. For use with laser knives having a bent elongate center portion, the sheath includes a separately rotatable guide sheath tip for rotation of that portion of the sheath between the bend in the elongate center portion of the laser knife and the distal end thereof, including the laser lens. All of the various sheath configurations are provided with axially extending guide pair members for receiving tissue therebetween during surgical procedures. The laser knife guide sheaths are discardable and formed of a flexible resilient material which is impervious to the laser light beam.
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Representative photocopies of Coherent Homium Laser with tip, manufactured by the Coherent Company.
Harris Sonya C.
Pellegrino Stephen C.
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