Syringe with a snapping device for backward pulling the...

Details Syringe with a snapping device for backward pulling the... Syringe with a snapping device for backward pulling the...

2007-02-20

2007-02-20

Sirmons, Kevin C. (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

10447573

ABSTRACT:
A syringe with a snapping device for backward pulling the needle into the syringe after syringing includes a hollow barrel having an annular shoulder laterally extending from an inner periphery near a front end and two sector apertures defined in and extending through the annular shoulder. The snapping device is detachably secured in the front end of the hollow barrel and includes an annular flange laterally extending therefrom. Two snappers downward extend from the snapping device and are engaged to the annular shoulder to longitudinally position the snapping device. A first connector is formed on the snapping device opposite the hollow stub. A plunger is slidably and partially received in the hollow barrel. A second connector extends from a bulb and is selectively connected to the first connector for turning and backward pulling the snapping device into the hollow barrel.

REFERENCES:
patent: 5395337 (1995-03-01), Clemens et al.
patent: 6599270 (2003-07-01), Chen

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