Surgery – Male reproductory tract shields or birth control devices
Patent
1988-06-27
1990-05-01
Hindenburg, Max
Surgery
Male reproductory tract shields or birth control devices
606 49, A61F 1300
Patent
active
049209825
ABSTRACT:
A percutaneous vasectomy method is disclosed which involves closing the vas deferens of a male patient without incising the patient's scrotum. The method comprises the steps of inserting a sharp-tipped needle having a first predetermined diameter into the scrotum of the male patient and through a wall of the vas deferens, the insertion forming a passageway from the surface of the scrotum to the interior of the vas deferens; removing the sharp-tipped needle from the vas deferens and the scrotum; inserting a blunt-tipped needle having a second predetermined diameter, less than the first predetermined diameter, through the passageway and into the interior of the vas deferens; activating a cauterizing element which includes the blunt-tipped needle for a selected period of time to cauterize and thereby close the vas deferens to sterilize the male patient; and removing the blunt-tipped needle from the vas deferens and scrotum.
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patent: 4085756 (1978-04-01), Weaver
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Li Shun-qiang, Zhu Jin-bo, "Non-Operative Sterility Research with Intravasal Injecting Drug", Family Planning Research Institute of Chungqing, China, 1984.
Li Shunqiang, "Clinical Application of Vas Deferens Puncture," The First Worker's Hospital of Chongqing, Sichuan, China, 1980.
Hindenburg Max
Vastech Medical Products Inc.
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