Distal tip for the positioning of artificial joint stem
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United States of America Patent
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Issued Date -
Jun 3, 2004
app pub date -
Nov 17, 2003
filing date -
Nov 18, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a distal tip for the positioning of artificial joint stem that is capable of reliably guiding the insertion of the stem of the cementless artificial joint into a bone canal and positioning the distal end portion of the stem that is inserted into the bone canal at a planned position, thereby to maintain the entire stem in a favorable posture in the bone canal, and prevent osteolysis and loosening of the artificial join even when the distal tip is used. The distal tip 10 for the positioning of artificial joint stem is mounted near the distal end portion 2a of the stem of the cementless artificial joint thereby to guide the distal end portion 2a of the stem so as not to make direct contact with the inner surface of the bone canal 4 of the bone 3 when the stem 2 of the artificial joint is inserted into the bone canal 4, and make stable positioning of the stem distal end portion 2a when the insertion of the stem 2 is completed, wherein the distal tip 10 is made of a biodegradable and absorbable material.
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