Surgery – Truss – Pad
Patent
1978-05-24
1980-04-01
Michell, Robert W.
Surgery
Truss
Pad
A61B 1700
Patent
active
041956354
ABSTRACT:
An improved tool for piercing the skin of an animal and inserting a loopless identification tag of the type having a base connected to an anchoring head by a narrow neck portion. The tool comprises a handle having a palm engaging portion for thrusting the tool through the animal's skin and further includes an integral pointed and sharpened skin piercing blade attached to the handle by a long narrow shank. A sliding element comprises a pair of generally parallel rods extending along opposite sides of the shank and joined at their forward ends by a yoke extending under and partially encircling the blade. The sliding element is movable from an extended position with the yoke encircling the blade to a retracted position in which the rods slide into the handle and the yoke is adjacent the forward end of the handle. To insert a tag, it is positioned with the ears of the anchoring head extending into variable length slots formed between the shank and the parallel rods. The blade then is quickly thrust through the skin of an animal and the yoke is moved rearwardly upon contact with the skin of the animal causing the ears to be folded over each other and to be cammed out of the slot as they pass through the incision in the ear so that they are released from the tool and unfold whereupon the tag remains securely locked in the ear as the tool is withdrawn.
REFERENCES:
patent: 2382304 (1945-08-01), Foltz et al.
patent: 3208452 (1965-09-01), Stern
patent: 3987570 (1976-10-01), McMurray et al.
patent: 4000744 (1977-01-01), Ritchey
Michell Robert W.
Thaler Michael H.
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