Battery for orthopedic drive assembly

Details Battery for orthopedic drive assembly Battery for orthopedic drive assembly

A - Human Necessities

61

B

319/48, 320/2.5

A61B 17/16 (2006.01) B23B 45/02 (2006.01) H01M 2/10 (2006.01) H01M 2/12 (2006.01) H01M 10/34 (2006.01)

Patent

CA 1281374

ABSTRACT OF THE DISCLOSURE A cordless rechargeable replaceable battery assembly powered drive assembly including a motor for driving orthopedic surgical instruments in which the battery has silver and zinc oxide electrodes in sodium hydroxide electrolyte to provide low voltage high current power. The battery cells are vented through a porous polymeric curtain to restrict expulsion of electrolyte, a two speed transmission is provided to change drive speeds, and a brush holder on the motor has contacts adapted to be connected in different combinations to change the motor rotation direction.

529982

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