Catheters

Details Catheters Catheters

1982-09-02

1984-11-27

Truluck, Dalton L.

Surgery

Truss

Pad

604280, A61M 2500, A61B 510

Patent

active

044845855

ABSTRACT:
This invention relates to catheters for measuring the pressure along the length of a patient's urethra, of the kind having a closed distal end and provided at a distance from said distal end with a lateral outlet for a fluid to be fed in at a constant rate of flow through a passage arranged for connection to a measuring instrument.
According to the invention, the lateral catheter outlet is formed by an annular gap extending in a plane at right angles to the longitudinal axis of the catheter and into which opens the supply passage for the fluid.
Advantageously, the catheter is transversely divided into two parts constituting distal and proximal sections having mutually opposed terminal areas. These terminal areas are connected by a rigid bridging member to form the annular gap, which latter for example has a width of advantageously between 0.2 and 0.5 mm.

REFERENCES:
patent: 1696018 (1928-12-01), Schellberg
patent: 3480003 (1969-11-01), Crites
patent: 3939823 (1976-02-01), Kaye et al.
Ulmsten et al, Electromedica, 1980, vol. 48 pp. 9-12.
Ghoneim et al, Urology, May 1975, vol. V, No. 5, pp. 632-637.

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