CPC A61M 25/0102 (2013.01) [A61M 60/13 (2021.01); A61M 60/216 (2021.01); A61M 60/829 (2021.01); A61M 60/857 (2021.01); A61M 25/005 (2013.01); A61M 2205/0266 (2013.01); A61M 2210/125 (2013.01)] | 6 Claims |
1. An intravascular blood pump for percutaneous insertion into a patient's blood vessel, comprising:
a catheter; and
a pumping device attached to the catheter, the catheter extending along a longitudinal axis and having a distal end and a proximal end opposite the distal end along the longitudinal axis, the catheter comprising:
a tubular stiffening structure having a length and extending longitudinally between the proximal end and the distal end of the catheter, the tubular stiffening structure having a lumen, a proximal end and a closed distal end opposite the proximal end,
wherein the lumen of the tubular stiffening structure is configured to receive a pressurized fluid having an over-pressure of at least 5 bar,
wherein the tubular stiffening structure comprises at least two of the tubular stiffening structure, and wherein the at least two of the tubular stiffening structure are twisted.
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