Ultrasound biopsy needle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 25, 2000
Issued Date -
N/A
app pub date -
May 18, 1998
filing date -
Aug 31, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An echogenic medical needle is disclosed which comprises a tubular cannula body, a stylet received within the cannula body, and an echogenicity enhancement within the cannula for improved ultrasound imaging. Preferably, the echogenicity enhancement is on the stylet and comprises a series of annular grooves about the stylet.
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