IV catheter introducer with retractable needle

Details IV catheter introducer with retractable needle IV catheter introducer with retractable needle

2005-03-29

2005-03-29

Sirmons, Kevin C. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S110000

Reexamination Certificate

active

06872193

ABSTRACT:
An IV catheter introducer having a retractable needle holder and a tubular plunger that are held by a detent structure in a preferred positional relationship prior to and during insertion of the catheter. Following insertion, the plunger is pushed past the detent structure, permitting a compressed spring to force the needle holder upwardly into the plunger. A vented end cap in the plunger permits rapid venting of air displaced during retraction of the needle holder. The needle holder includes a flash chamber that is easily viewable through a clear plastic housing. Wings are provided on the housing to facililate one-handed operation of the device. A method for assembling the subject catheter introducer is also disclosed.

REFERENCES:
patent: 5746215 (1998-05-01), Manjarrez
patent: 5817058 (1998-10-01), Shaw
patent: 5989220 (1999-11-01), Shaw et al.
patent: 6083202 (2000-07-01), Smith
patent: 6090078 (2000-07-01), Erskine
patent: 6096005 (2000-08-01), Botich et al.

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