3894540 is referenced by 122 patents and cites 11 patents.

A catheter for urinary and other purposes is disclosed, comprising means forming an elongated flexible conduit having an insertion end, the conduit also having a distal end spaced from the insertion end. Means are provided forming a protective sheath extending in continuous form from the insertion end toward the area of the distal end, and maintaining a substantially sterile condition on the entire outer surface of the conduit. The protective sheath may be a pair of telescopically-arranged tubes, or may be an accordion pleated light-weight material, for example. Catheters of this type may be provided for intermittent use or as indwelling catheters.

Title
Catheter
Application Number
05/404,400
Publication Number
3894540
Application Date
October 9, 1973
Publication Date
July 15, 1975
Inventor
Bonner Jr Francis J
IPC
A61m 27/00
A61m 25/00
A61M 25/01
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