Medical needle puncture guard

Details Medical needle puncture guard Medical needle puncture guard

1988-08-05

1990-05-29

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604110, 604192, A61M 532

Patent

active

049292412

ABSTRACT:
A small protective guard rides on the shaft of a needle. After the needle has been inserted into a patient to deliver or withdraw fluids, the guard is positioned to form a protective barrier crossing in front of the needle tip. The guard is fashioned to collapse inward in front of the tip when its front portion is advanced past the needle tip. The guard carries sharp blades that engage the needle shaft and prevent the guard from moving forward off the needle once the device is activated. An optional manually operated trigger mechanism deploys the guard automatically.

REFERENCES:
patent: 3610240 (1971-10-01), Harautuneian
patent: 3904033 (1975-09-01), Haerr
patent: 4160450 (1979-07-01), Doherty
patent: 4725267 (1988-02-01), Vaillancourt
patent: 4735618 (1988-04-01), Hagen
patent: 4795432 (1989-01-01), Karczmer

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