Patent ID: 7300432
Filing Date: 2007-11-27
Classification: A61B,Y10T

Abstract:
1. An apparatus for securing a sensor to a surgical instrument for use in computer guided orthopaedic surgery, the apparatus comprising: a sensor support having (i) a support arm configured to support the sensor, and (ii) a stem having (a) a first end secured to the support arm, (b) a second end expandable from a first position in which the second end of the stem has a first width and a second position in which the second end of the stem has a second, larger width, and (c) a passageway defined in an inner sidewall of the stem, wherein the inner sidewall of the stem is tapered at the second end of the stem, and a pin configured to move the second end of the stem from the first position to the second position, wherein (a) the pin has a tapered end, and (b) insertion of the pin into the passageway causes the tapered end of the pin to engage the tapered inner sidewall of the stem to move the second end of the stem from the first position to the second position.