Surgery – Instruments – Means for – or to assist in mammalian sterilization
Patent
1991-06-20
1993-03-02
Aschenbrenner, Peter A.
Surgery
Instruments
Means for, or to assist in mammalian sterilization
606139, 606143, 606142, A61B 1712
Patent
active
051905604
ABSTRACT:
An instrument for castration by ligating and severing blood and seminal vessels. A pistol-shaped tool comprises a hollow body forming a barrel and a hand grip. A yoke pivotally mounted in the cavity of the grip is pivotally connected to a trigger, ligating means and severing means. The vessel to be ligated and severed is positioned in a slotted area at the muzzle of the barrel. The initial pulling of the trigger toward the grip causes blade guards connected to the severing means to surround the vessel or vessels. Further movement of the trigger toward the grip actuates the ligating means to push a ligature from a ligature container and around the vessels. The ligature is forced through ligature compressors which press the locking ligature onto the vessels. Final movement of the trigger toward the grip moves the severing means to force a blade through the vessels.
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patent: 4929239 (1990-05-01), Braun
patent: 5035692 (1991-07-01), Lyon et al.
Porter Wayne
Woods John B.
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