Surgery – Specula – Retractor
Patent
1997-04-18
1998-02-17
Smith, Jeffrey A.
Surgery
Specula
Retractor
600237, A61B 1700
Patent
active
057186650
ABSTRACT:
A speculum (20) for opening the jaws of animals (500) includes first (22) and second (30) arms connected by a threaded rod (38). By rotating threaded rod (38), the distance (D) between first (22) and second (30) arms may be selective adjusted. First (22) and second (30) arms have first (28) and second (36) jaw plates respectively, which forcibly open the jaws (502) and (506) of the animal (500). A tension-producing means (100) holds speculum (20) in place in the animal's (500) mouth.
REFERENCES:
patent: 976812 (1910-11-01), Koehler
Vorhes, Gary; "Straight Into the Horse's Mouth"; Western Horseman (Magazine); pp. 18-23, Oct. 1996.
Masters Ted
Smith Jeffrey A.
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