Self-lubricating urethral catheter and method for self-catheteri

Details Self-lubricating urethral catheter and method for self-catheteri Self-lubricating urethral catheter and method for self-catheteri

1992-05-04

1993-05-11

Green, Randall L.

Surgery

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

Treating material introduced into or removed from body...

604265, 604280, 604349, A61M 2500

Patent

active

052097269

ABSTRACT:
A self-lubricating urethral catheter and method for self-catheterization includes a flexible sheath enclosing a perforated tube. The catheter has an insertion end and a discharge end as well as a cavity between the sheath and the tube. The cavity and conduit in the tube is filled with lubricating fluid and sealed at the discharge end. The insertion end of the catheter is inserted into a urethra. When the catheter is inserted, the sheath collapses into the tube forcing fluid in the cavity through the aperture, into the conduit and out the insertion end. This fluid being expelled lubricates the catheter as it is inserted. After the catheter is fully inserted the seal is removed from the discharge end allowing fluid and urine in the bladder to flow through the catheter.

REFERENCES:
patent: 4186745 (1980-02-01), Lewis et al.
patent: 5004455 (1991-04-01), Greenwood et al.
patent: 5098379 (1992-03-01), Conway et al.

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