Surgery – Instruments – Obstetric or gynecological instruments
Patent
1998-05-11
1999-09-28
Buiz, Michael
Surgery
Instruments
Obstetric or gynecological instruments
606124, 604 74, A61B 1742
Patent
active
059579315
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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O'Grady et al., "Vacuum Extraction in Modern Obstetric Practice," pp. 13-21 (The Parthenon Publishing Group, Inc., New York, NY 1995).
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Buiz Michael
Goldberg Jonathan D.
Prism Enterprises, Inc.
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