Pressure transmission catheter with sheath

Details Pressure transmission catheter with sheath Pressure transmission catheter with sheath

2006-06-30

2008-12-16

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

Reexamination Certificate

active

07464602

ABSTRACT:
Methods and apparatus for sensing pressure are disclosed. One disclosed pressure measuring device comprises a pressure transmission catheter including a stem portion and a sheath fixed to the stem portion. The disclosed sheath comprises a wall defining a cavity that is in fluid communication with a stem lumen defined by the stem portion. The disclosed sheath has a first transverse extent and a second transverse extent that is different from the first transverse extent.

REFERENCES:
patent: 4160448 (1979-07-01), Jackson
patent: 5048532 (1991-09-01), Hickey
patent: 2005/0070844 (2005-03-01), Chow et al.
patent: 2005/0278020 (2005-12-01), Wang et al.
patent: 2006/0184165 (2006-08-01), Webster et al.
patent: WO94/12097 (1994-06-01), None
patent: WO96/04846 (1996-02-01), None

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