Aspiration needle with side port
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United States of America Patent
Stats
-
Dec 1, 1998
Grant Date -
N/A
app pub date -
Oct 4, 1995
filing date -
Oct 4, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single-lumen oocyte collection device, having a cannula which extends axially outward from a proximal end of a hub. The cannula has a side port and an axial port, each linked to a resilient portion of tubing to allow selective occlusion of the lumen thereof. The side port, through the hub, has a fixed relation to a sharpened, bevelled tip of the cannula, allowing even rotation and accurate orientation of the beveled tip of the device to puncture a follicle on an ovary with minimal trauma prior to collecting an oocyte. An echogenic structure is formed at the tip of the cannula.
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