A - Human Necessities – 61 – D
Patent
A - Human Necessities
61
D
119/75
A61D 1/00 (2006.01) A61B 17/32 (2006.01) A61B 17/34 (2006.01) A61D 1/06 (2006.01)
Patent
CA 1098388
"METHOD AND APPARATUS FOR SPAYING LARGE ANIMALS" ABSTRACT OF THE DISCLOSURE This invention relates to a surgical tool for use in removing the ovaries from large animals that is characterized by a pair of telescoped tubes, the inner tube of the pair terminating in a pointed end movable from a retracted position recessed inside the outer to an extended position projecting therebeyond. The inner tube is also rotatable within the outer tube so as to bring a pair of oval-shaped openings into registry with one another, so as to receive the ovaries to be removed one at a time. These openings have knife-edged margins effective to excise the ovary inside the tubes upon rotation of the inner tube within the outer. A plunger is also housed within the inner tube effective upon extension from a normally retracted position to push an excised ovary into a storage area behind the point of the inner tube thus clearing the opening therein to receive the second one. The invention also encompasses the novel method for removing the ovaries from large animals which comprises inserting the tool into the vagina, extending the pointed end of the inner tube and puncturing the vagina wall therewith, retracting the point and inserting the tool into the abdomen with the openings therein in registry with one another, manipulating the first of the two ovaries per rectum into the openings and rotating the inner tube relative to the outer to excise same, and removing the tool.
306708
Kimberling Cleon V.
Rupp Gary P.
Colorado State University Research Foundation
Johnson Ernest Peter
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