Catheter insertion device with retractable needle

Details Catheter insertion device with retractable needle Catheter insertion device with retractable needle

1998-04-30

2000-06-20

McDermott, Corrine

Surgery

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

Treating material introduced into or removed from body...

604164, 604263, A61M 500

Patent

active

060772441

ABSTRACT:
A catheter insertion device is provided for inserting an over-the-needle catheter. The device includes an insertion needle that is retractable into the housing of the device after use to prevent exposure to the contaminated needle. A needle retainer releasably retains the needle in an extended position against the rearward bias of the biasing element. The needle retainer engages the hub of the catheter so that when the catheter is removed from the insertion device, the needle retainer automatically releases the needle. The biasing element then propels the needle rearwardly into the housing of the device.

REFERENCES:
patent: 4747831 (1988-05-01), Kulli
patent: 5092853 (1992-03-01), Couvertier, II
patent: 5338305 (1994-08-01), Plyley
patent: 5346480 (1994-09-01), Hess
patent: 5433712 (1995-07-01), Stiles
patent: 5496274 (1996-03-01), Graves
patent: 5501675 (1996-03-01), Erskine
patent: 5514100 (1996-05-01), Mahurkar
patent: 5562629 (1996-10-01), Haughton
patent: 5562634 (1996-10-01), Flumene
patent: 5683368 (1997-11-01), Schmidt
patent: 5697907 (1997-12-01), Gaba

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