Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1985-06-21
1987-08-11
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604239, 604274, 128754, A61M 500
Patent
active
046859047
ABSTRACT:
A combination needle for the axillary plexus brachialis anesthesia comprises a plastic tube and a solid steel mandrel that can be inserted in this plastic tube. The mandrel has a puncturing tip without any facets or cutting edges, which is formed either by a level partially ground surface extending at an angle to the mandrel axis that is elliptical in form and forms a wedge angle of at least 45.degree. with the mandrel axis, or by a right or oblique cone with right or bulging mantle surface and with a cone angle of at least 60.degree.. The handle of the steel mandrel is equipped with partially a ground surface and has, on one side surface, a visible and palpable mark with a fixed angular location corresponding to the angular location of a partially ground surface of the tip, so that it can be used to determine the angular location of the partially ground surface accurately, at all times. Furthermore, a plug-in socket for the electrical connection of an electrostimulator is advantageously provided at the handle of the mandrel.
REFERENCES:
patent: 3454006 (1969-07-01), Langdon
patent: 4191186 (1980-03-01), Keeler
patent: 4256119 (1981-03-01), Gauthier
patent: 4403617 (1983-09-01), Tretinyak
patent: 4487209 (1984-12-01), Mehl
patent: 4543092 (1985-09-01), Mehler et al.
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