BONE CEMENT INJECTION NEEDLE
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United States of America Patent
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N/A
Issued Date -
Aug 18, 2011
app pub date -
Oct 16, 2009
filing date -
Oct 17, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bone cement injection needle comprises: a hollow outer needle; an outer needle hub affixed to the base end part of the outer needle; an inner needle that can be slidably inserted into the hollow part of the outer needle; and an inner needle hub affixed to the base end part of the inner needle. The outer needle comprises a first side hole located near the tip; a second side hole located near the base end part; and a depressurization passage which connects the first side hole and the second side hole.
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