Intravenous catheter inserting device

Details Intravenous catheter inserting device Intravenous catheter inserting device

2005-07-26

2005-07-26

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S110000

Reexamination Certificate

active

06921386

ABSTRACT:
An intravenous catheter inserting device includes a catheter hub engaging an open forward end of a barrel and having a duct that communicates with a passage of the barrel. A tubular catheter is disposed to communicate with the duct, and permits a needle cannula to pass therethrough. A plunger is received in the passage and extends rearwardly of the barrel so as to be manually operable. The plunger has a cavity containing fluid at a reduced pressure, and is coupled with the needle cannula within the passage such that the needle cannula can be retracted into the cavity due to a pressure difference between the ambient air and the reduced pressure.

REFERENCES:
patent: 5129884 (1992-07-01), Dysarz
patent: 5575777 (1996-11-01), Cover et al.
patent: 5702367 (1997-12-01), Cover et al.
patent: 5817058 (1998-10-01), Shaw
patent: 5911705 (1999-06-01), Howell
patent: 5989220 (1999-11-01), Shaw et al.

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