Surgical tools with extendible and rotatable accessory components
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United States of America Patent
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Aug 26, 2014
Grant Date -
May 24, 2007
app pub date -
Sep 15, 2006
filing date -
Nov 23, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Surgical tools are disclosed for minimally-invasive planing of bone surfaces that will support prosthetic implants, such as cartilage-repair implants. Such planing tools must create smooth surfaces that will closely fit the anchoring surface of an implant. Such tools can use a rotating cylindrical burr, partially covered by a cowl having adjustable components to control grinding depth and bone curvature. Burrs can be mounted on the ends of rotating shafts, or they can be angled, using drive-coupling interfaces. In other embodiments, shaver or burr tools can be supplemented by accessory-type devices (such as suction tubes, cautery tips, and pinchers) that can be extended beyond the normal working tip of a tool, to enable additional functions that will be useful during surgery.
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