Flexible catheter with a drive shaft
AssigneeEcp Entwicklungsgesellschaft Mbh
InventorsMario Scheckel, Joerg Schumacher
Life of this patent
Estimating the term…
Abstract
A flexible catheter with a drive shaft, and associated devices and systems. In some examples, the disclosure describes a flexible catheter with a drive shaft, with a sleeve surrounding the drive shaft and with a sheath surrounding the drive shaft and the sleeve, wherein the drive shaft, the sleeve and the sheath are pliable, wherein the drive shaft at a proximal end of the drive shaft comprises a coupling element for connecting the drive shaft to a drive motor, wherein the drive shaft at least regionally consist of a alloy which contains at least 10% by weight of chromium, nickel and cobalt in each case.
Claims21
1-68. (canceled)
A blood pump assembly with a catheter, comprising:
- a blood pump;
- a drive shaft;
- a sleeve surrounding the drive shaft;
- and
- a sheath surrounding the drive shaft and the sleeve,
- wherein the drive shaft, the sleeve, and the sheath are configured to be flexible, and the drive shaft, at a proximal end of the drive shaft, has a coupling element for connecting the drive shaft with a drive motor;
- and
- wherein the sleeve is configured as a bearing coil with a plurality of windings, each winding of the plurality of windings rotating helically around the drive shaft in an axial direction.
Dependencies are inferred from the claim text.