Angle handpiece

Details Angle handpiece Angle handpiece

1976-05-21

1978-01-31

Yasko, John D.

Surgery

Truss

Pad

128310, 32 26, A61B 1716, A61B 1732

Patent

active

040710297

ABSTRACT:
A surgical instrument formed by a handpiece assembly and a removable tool assembly. The handpiece assembly includes a housing having integrally interconnected grip and nose portions which are of tubular construction and are positionally related so that the longitudinal direction of the nose portion extends at an angle of 40.degree. with respect to the longitudinal direction of the grip portion. The grip portion contains first and second removable cartridge units, with one cartridge unit containing a motor and the other cartridge unit containing a speed reducer. The tool assembly includes an elongated rotatable tool which is axially confined by and rotatably supported on an elongated support sleeve. The rearward end of the support sleeve is connectible to the front end of the nose portion by a bayonet-type coupling, which also permits the rearward end of the tool to be nonrotatably coupled to a drive shaft rotatably supported in the nose portion.

REFERENCES:
patent: 213662 (1879-03-01), Johnston et al.
patent: 493846 (1893-03-01), Weber et al.
patent: 950759 (1910-01-01), Weiner
patent: 2851777 (1958-09-01), Hoffmeister
patent: 3423068 (1969-01-01), Hall
patent: 3509629 (1970-05-01), Kidokoro et al.
patent: 3657818 (1972-04-01), Garnier
patent: 3734652 (1973-05-01), Barnett
patent: 3847154 (1974-11-01), Nordin
patent: 3909946 (1975-10-01), Watanabe

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