Orthopaedic surgical cutting block and saw capture apparatus
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United States of America Patent
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Dec 2, 1997
Grant Date -
N/A
app pub date -
Feb 20, 1996
filing date -
Feb 20, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical instrument for shaping a patient's bone tissue at the joint to receive an implant includes a cutting block body that is sized and shaped to fit a patient's long bone at the joint during joint replacement surgery. The block is attachable to the patient's bone tissue at the joint area. A flat cutting guide surface on the block body is provided for guiding a surgeon's saw blade when the surgeon cuts bone tissue at the joint. A saw capture removably attaches to the block body at or near the flat cutting guide surface. The saw capture also provides a flat cutting guide surface thereon that is positioned generally parallel to the cutting guide surface on the block body during use, a gap being formed therebetween. Wedge locking connections are provided for affixing the saw capture to the block body at the flat cutting guide surface. The connection includes first and second interlocking connecting portions that are respectively on the block body and saw capture. The saw capture is gradually wedged against the block body upon assembly of the block body and the saw capture so that the flat cutting guide surface of the saw capture and the flat cutting guide surface of the block body gradually approach one another upon such assembly.
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