Obstetrical vacuum extractor cup
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 28, 1999
Grant Date -
N/A
app pub date -
May 11, 1998
filing date -
May 11, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An obstetrical vacuum extractor comprising a vacuum cup to which a disk assembly and attached traction cord are rotatably coupled. The cup has a protrusion extending from its base, and the disk assembly a bore for receiving the protrusion. The protrusion is then preferably ultrasonically welded to create a button to rotatably retain the disk assembly on the cup.
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Family
International Classification(s)
Cited Art Landscape
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