DRIVING ASSEMBLY UNIT
    5.
    发明专利

    公开(公告)号:JPS62203523A

    公开(公告)日:1987-09-08

    申请号:JP3545387

    申请日:1987-02-18

    摘要: A cordless rechargeable replaceable battery assembly (16) powered drive assembly (10) including a motor (14) for driving orthopedic surgical instruments in which the battery (16) has silver and zinc oxide electrodes (44) in sodium hydroxide electrolyte is provided low voltage high current power. The battery cells (22) are vented through a porous polymeric curtain (52) wetted with a liquid to restrict expulsion of electrolyte, a two speed transmission is provided to change drive speeds, and a brush holder (124) on the motor (14) has contacts (128) adapted to be connected in different combinations to change the motor (14) rotation direction.