| 摘要 |
This invention is a medical device (10) having a body (18), an actuating member (24) mounted to move relative to the body, a working element (20) and an elongated force transmitting member (12) capable of transmitting force between the actuating member and the working element. The force transmitting member includes a flexible cable portion. The force transmitting member is attached on one side of the cable portion to the body, and associated in a driving relationship on an opposite side of the cable portion with the working element. The actuating member includes a pulley surface (26) bodily movable therewith. The cable portion is trained about the pulley surface such that movement of the actuating member, given a distance relative to the body, causes the working element to move a substantially greater distance than the given distance.
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