Stoll, Wilkie, Previto and Hoffman
Method for manufacturing a fistula
 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. 
Joule' Inc.
Y B B Y B B B A A B Y
Y10T B29C B29K Y10T B29C B29C B29C A61M A61M B29C Y10S
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Julie L.
Clark