Balloon catheter with manually operated valve and aspirator

Details Balloon catheter with manually operated valve and aspirator Balloon catheter with manually operated valve and aspirator

2011-06-28

2011-06-28

Zalukaeva, Tatyana (Department: 3761)

Surgery

Means or method for facilitating removal of non therapeutic...

Urinary catheter

C604S099020, C604S099040

Reexamination Certificate

active

07967811

ABSTRACT:
A Foley type catheter of the type including an elongated flexible tube and an inflation lumen, the distal end of the tube being provided with a membrane that is inflated into a balloon by fluid passage though the lumen, wherein to retain the distal end interiorly of a bladder, and a drainage eye, wherein to enable the catheter to drain urine therefrom. The proximal end of the tube is provided with a fluid control valve and a fluid pump, each hand operated as desired. The pump is in the form of a squeeze bulb and/or aspirator and adapted to deform to supply and/or withdraw fluid into and from the lumen and selectively inflate/deflate the membrane. In one embodiment, the pump is in the shape of a pleated bellows that is axially collapsed and end walls forced together and into a suction cup like retaining engagement, and a coil spring acts to restore the shape.

REFERENCES:
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patent: 4245639 (1981-01-01), La Rosa
patent: 4306705 (1981-12-01), Svensson
patent: 4571239 (1986-02-01), Heyman
patent: 5141503 (1992-08-01), Sewell, Jr.
patent: 5190046 (1993-03-01), Shturman
patent: 6176843 (2001-01-01), DiCaprio et al.
patent: 7291139 (2007-11-01), Gershowitz
patent: 2004/0044307 (2004-03-01), Richardson et al.

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