Method for manufacturing a fistula

Details Method for manufacturing a fistula Method for manufacturing a fistula

1984-04-23

1986-09-16

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Assembling or joining

29557, 29DIG37, 264145, 264148, 264150, 264153, 604177, 604192, 604240, B23P 1102, B29C 4700, A61M 532

Patent

active

046113827

ABSTRACT:
A method of manufacturing a fistula consisting of a needle mounted on a plastic handle or wing. The plastic wings are formed by continuously extruding a plastic strip having the wing cross section. The outer end of the extruded plastic is blanked to partially shape and outline an individual wing. Thereafter, a needle is inserted into a hollow core on the endmost partially blanked wing and a needle guard is positioned over the needle. Finally, the completed fistula is removed from the end of the extruded strip by a final cut or punching for producing a finished fistula.

REFERENCES:
patent: 2539510 (1951-01-01), Friden
patent: 3179727 (1965-04-01), Taylor
patent: 3756235 (1973-09-01), Burke et al.
patent: 3825002 (1974-07-01), Paige
patent: 4192304 (1980-03-01), Millet
patent: 4413992 (1983-11-01), Soika
patent: 4447479 (1984-05-01), Harrison
Nayler, J. L. and Nayler, G. H. F.; Dictionary of Mechanical Engineering; George Newnes, Ltd., London (1967); at 32 (definition of "blanking").

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