Surgery – Truss – Perineal
Patent
1986-04-11
1987-08-18
Grieb, William H.
Surgery
Truss
Perineal
A61B 130
Patent
active
046869662
ABSTRACT:
This invention is a kind of disposable gynecologic apparatus, that is, a duckbill speculum, for examining the vagina. This duckbill speculum comprises a lower bill section, an upper bill section, a support column and a pair of adjustment pieces which contain a bolt, an adjustment nut and a height adjustment bolt. Both bill sections are respectively produced as one piece and each has a duckbill-like bill wherein the two bills, lower and upper, respectively nearly perpendicularly connect to a stationary and an adjustable handle. The upper bill section and the support column are secured by two bill fasteners around both ends and thereby both can rotate around the bill fasteners. The support column can move up and down along the stationary handle of the lower bill section. Therefore, the height adjustment bolt enables the speculum to be adjusted or stretched to a desired width. Another bolt is secured to the support column and thereby a fixed open angle of two bills can be maintained by adjusting the adjustment nut. Furthermore, as this duckbill speculum is made of relatively cheap material, plastics or fiber-reinforced plastics, it can therefore be classified as a disposable apparatus, i.e., to be used just one time. This would prevent patients from contracting some diseases due to contacting infected apparatus, and thus would be both practical and hygienic.
REFERENCES:
patent: 3716047 (1973-02-01), Moore et al.
patent: 3815585 (1974-06-01), Fiore
patent: 3890961 (1975-06-01), Moore et al.
George Tiemann & Co.'s Surgical Instruments, p. 439, .COPYRGT.1889.
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