High incision velocity vibrating scalpel structure and method

Details High incision velocity vibrating scalpel structure and method High incision velocity vibrating scalpel structure and method

1993-08-06

1995-08-15

Burr, Edgar S.

Surgery

Instruments

Cutting, puncturing or piercing

606171, A61B 1732

Patent

active

054415128

ABSTRACT:
High incision velocity vibrating scalpel structure and method comprising motor means including a motor having a drive shaft rotatable on energizing the motor, an eccentric fly wheel secured to the drive shaft for rotation therewith and scalpel blade support structure rigidly secured to the motor, all resiliently mounted in an elongated hollow body member, to which motor means a scalpel blade may be secured and vibrated on energizing of the motor means to rotate the fly wheel and alternating or direct current means for selectively energizing the motor. A resilient pivot may also be provided for the motor means and a resilient boot is provided over one end of the body member between the body member and motor means for sealing the one end of the body member. In use, on energizing the motor means, the motor means, scalpel blade support structure and scalpel blade are caused to vibrate at a high velocity to incise tissue with the scalpel blade. Movement of the scalpel blade is primarily arcuately about the pivot mounting for the motor means, and thus is primarily perpendicularly to the axis of rotation of the drive shaft, to a lesser extent longitudinally of the high incision velocity scalpel structure.

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patent: 5214851 (1993-06-01), Althaus
patent: 5243997 (1993-09-01), Uflaker et al.
patent: 5306282 (1994-04-01), Muller

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