Guidewire devices having distally extending coils and shapeable tips
AssigneeScientia Vascular, LLC
InventorsJohn A Lippert, Edward J. Snyder
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to guidewire devices having shapeable tips and effective torquability. A guidewire device includes a core having a proximal section and a tapered distal section. A tube structure is coupled to the core such that the tapered distal section of the core extends into and distally beyond the tube structure. The portion of the core extending distally beyond the tube forms a shapeable tip. One or more coils also extend distally beyond the tube. The tip is configured to reduce the tendency of resilient forces from the tube structure to disrupt a customized shape of the tip.
Claims20
A guidewire device comprising:
- a core having a proximal section and a distal section, the distal section having a smaller diameter than the proximal section;
- a tube structure coupled to the core such that the distal section of the core passes into the tube structure and passes distally beyond the tube structure;
- an outer coil coupled to a distal end of the tube structure and extending distally from the tube structure;
- and
- an inner coil disposed within the tube structure so as to be positioned between an outer surface of the core and an inner surface of the tube structure, the inner coil being configured in size and shape to abut and directly contact both the outer surface of the core and the inner surface of the tube structure.
A guidewire device comprising:
- a core having a proximal section and a distal section, the distal section having a smaller diameter than the proximal section;
- a tube structure coupled to the core such that the distal section of the core passes into the tube structure and passes distally beyond the tube structure;
- an inner coil disposed at least partially within the tube structure and extending distally beyond the tube structure;
- and
- an outer coil coupled to a distal end of the tube structure and extending distally from the tube structure, wherein the outer coil encompasses at least a portion of the inner coil extending distally beyond the tube structure,
- wherein the inner coil extends farther distally than the outer coil.
A guidewire device comprising:
- a core having a proximal section and a distal section, the distal section having a smaller diameter than the proximal section;
- a tube structure coupled to the core such that the distal section of the core passes into the tube structure and passes distally beyond the tube structure;
- an inner coil disposed at least partially within the tube structure and extending distally beyond the tube structure;
- and
- an outer coil coupled to a distal end of the tube structure and extending distally from the tube structure, wherein the outer coil encompasses at least a portion of the inner coil extending distally beyond the tube structure,
- wherein the inner coil is configured in size and shape to abut and directly contact both an outer surface of the core and an inner surface of the tube structure, and
- wherein the inner coil extends farther distally than the outer coil.
Dependencies are inferred from the claim text.