Orthopedic surgery access devices
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United States of America Patent
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Jun 14, 2011
Grant Date -
Sep 29, 2005
app pub date -
Mar 28, 2005
filing date -
Mar 29, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides instrumentation that facilitates access to both sides of the vertebral body from a single access point. More particularly, the present invention provides bendable access devices that can be steered so as to traverse the vertebral body from the point of entry into the vertebral body, through the cancellous bone within the vertebral body, and to the contralateral side of the vertebral body. This steerability is provided by forming the access device with a series of slots, grooves, or notches in the side of the access device near the distal end of the access device, which slots, grooves, or notches reduce the bending stiffness of the access device. As a result, the distal end of the access device bends as it is being advanced into the vertebral body.
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