Injector assembly

Details Injector assembly Injector assembly

1986-01-07

1987-02-10

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

A61M 5245

Patent

active

046421033

ABSTRACT:
A syringe mechanism includes a pair of sub-assemblies one of which contains a pair of threaded connector elements. One such connector element slidably surrounds a plunger rod while the other is adapted to surround a tubular barrel of the other sub-assembly. Upon engagement and tightening of the threaded elements, a resilient sleeve disposed intermediate the barrel and its surrounding connector element, is axially fore-shortened or compressed and inwardly displaced to firmly interlock the two sub-assemblies with the forward end of the plunger rod disposed within the barrel.

REFERENCES:
patent: 1574579 (1926-02-01), Jones
patent: 2118221 (1938-05-01), Montuori
patent: 3144178 (1964-08-01), Sarnoff
patent: 4122836 (1978-10-01), Burnett

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