Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1998-09-09
1999-10-19
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604192, 604198, A61M 500
Patent
active
059680164
ABSTRACT:
A retractable hypodermic needle for a disposable tubing guide including a cylindrical coupling having proximal end, for connection to the disposable tubing guide, and a flexible distal end portion having opposite internal protrusions. A penetrating tube emerges from the distal end of the cylindrical coupling and has a tube duct opening through a tube base having an external transverse catch initially secured by the opposite internal protrusions at the distal end portion of the cylindrical coupling. A tensioned elastic tube, having a distal end connected in fluid communication with the penetrating tube duct and a proximal end connected in fluid communication with the disposable tubing guide, provides a retraction device ro the penetrating tube when a pair of diametrically opposite exterior gripping tabs on the flexible distal end of the cylindrical coupling and in coincidence with the internal annular protrusions of the tubular coupling are pulled apart.
REFERENCES:
patent: 5320606 (1994-06-01), Jore
patent: 5350368 (1994-09-01), Shields
patent: 5549571 (1996-08-01), Sak
patent: 5656031 (1997-08-01), Thorne et al.
Ducler Aldo Luis
Yerfino Daniel Alberto
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