US 11,744,987 B2
Blood pump with reinforced catheter
Thorsten Siess, Aachen (DE); Frank Kirchhoff, Aachen (DE); and Walid Aboulhosn, Aachen (DE)
Assigned to Abiomed Europe GMBH, Aachen (DE)
Appl. No. 16/610,743
Filed by ABIOMED EUROPE GMBH, Aachen (DE)
PCT Filed May 3, 2018, PCT No. PCT/EP2018/061349
§ 371(c)(1), (2) Date Nov. 4, 2019,
PCT Pub. No. WO2018/202775, PCT Pub. Date Nov. 8, 2018.
Claims priority of application No. 17169486 (EP), filed on May 4, 2017.
Prior Publication US 2020/0094019 A1, Mar. 26, 2020
Int. Cl. A61M 25/01 (2006.01); A61M 60/857 (2021.01); A61M 60/216 (2021.01); A61M 60/829 (2021.01); A61M 60/13 (2021.01); A61M 25/00 (2006.01)
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
OG exemplary drawing
 
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.