Surgery – Diagnostic testing – Liquid collection
Patent
1997-06-25
1999-04-06
Apley, Richard J.
Surgery
Diagnostic testing
Liquid collection
600578, 604 38, 604181, 604187, 604220, A61B 500, B65D 8100
Patent
active
058910522
ABSTRACT:
A diagnostic syringe actuator device for use in combination with a syringe in the removal of tissue, fluid and/or cells for the diagnosis of pathological processes wherein the syringe includes a hollow syringe body having a longitudinally movable syringe plunger at least partially disposed therein with a probe needle attached to the distal end portion comprising a hollow retractor tube having a longitudinally movable retractable piston disposed therein, a longitudinally movable syringe plunger sabot disposed within the hollow retractor tube, a sabot lock mechanism selectively movable between a locked and unlocked position disposed to engage the syringe plunger sabot when in the locked position to maintain the syringe plunger and the syringe plunger sabot in the advanced position and to disengage the syringe is plunger sabot when moved to the unlocked position such that the syringe plunger sabot and the syringe plunger move from the advanced position when the retractable piston has been at least partially retracted within the hollow retractor tube creating a vacuum therein whereby material is extracted from a patient through the probe needle and into the hollow syringe body.
REFERENCES:
patent: 4231368 (1980-11-01), Becker
patent: 5183465 (1993-02-01), Xanthakos et al.
patent: 5241969 (1993-09-01), Carson et al.
patent: 5535746 (1996-07-01), Hoover et al.
patent: 5666966 (1997-09-01), Horie et al.
patent: 5709667 (1998-01-01), Carilli
Apley Richard J.
Fisher III A. W.
Yu Justine R.
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