PERCUTANEOUS DELIVERY AND RETRIEVAL SYSTEMS FOR SHAPE-CHANGING ORTHOPEDIC JOINT DEVICES
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United States of America Patent
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Issued Date -
Oct 16, 2008
app pub date -
Apr 8, 2008
filing date -
Apr 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Delivery and retrieval systems for delivering or retrieving a shape-changing percutaneously implantable orthopedic device joint prosthesis that can move between a generally arcuate configuration and a substantially straightened or slightly curved configuration. The orthopedic device can be delivered with a needle that is joint expanding, actuating, pivotable, or can include a balloon. The orthopedic device acts as a soft compliant bearing surface or cushion that minimizes the bone-on-bone wear from articulation and loading and may include a covering or coating with tissue or an expanding hydrophilic material. The orthopedic device delivery system can include a loading device with a channel for storing the orthopedic device in a non-straightened configuration and orienting the orthopedic device in the proper implantation orientation. The orthopedic device can be advanced or retrieved through the loading device with a knob and/or a flexible plunger.
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