Retractable Catheter
AssigneeC.R. Bard, Inc.
InventorsThomas Tollner, Martin Wubbeling
Life of this patent
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Abstract
A retractable catheter for use in an implant delivery system, the catheter including an elongate tubular sheath made of a relatively flexible material, and a pull element for transmitting a pull force to the sheath to retract it longitudinally. The pull element includes an end portion disposed in the relatively flexible material, at least the thickness of the end portion being substantially less than its length.
Claims20
A method of manufacturing a retractable catheter comprising the steps of:
- providing a pull element having an end portion, the end portion having a thickness less than its length and width dimensions;
- and
- forming an elongate tubular sheath of flexible material with the end portion and a reinforcing structure embedded in the flexible material.
A method of manufacturing a retractable catheter comprising the steps of:
- providing a pull element having an end portion, the end portion having a rougher surface than a more proximal portion of the pull element, the Ra surface roughness of the end portion being in the range from about 10 μm to about 25 μm;
- and
- forming an elongate tubular sheath of flexible material with the end portion disposed therein.
A method of manufacturing a retractable catheter comprising the steps of:
- providing a pull element having an end portion, the end portion having a distal end that is at least partially tube-shaped;
- and
- forming an elongate tubular sheath of flexible material with the at least partially tube-shaped distal end disposed therein.
Dependencies are inferred from the claim text.