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.

Application Number
Publication Number
Application Date
October 9, 1973
Publication Date
July 15, 1975
Bonner Jr Francis J
A61m 27/00
A61m 25/00
A61M 25/01
View Original Source