US 12,239,797 B2
Corrugated catheters
Liam Mullins, Galway (IE); Dara Finneran, County Roscommon (IE); Evin Donnelly, Galway (IE); Eoghan Thornton, County Galway (IE); and Kieran Connolly, Galway (IE)
Assigned to Perfuze Limited, Galway (IE)
Appl. No. 17/620,028
Filed by Perfuze Limited, Galway (IE)
PCT Filed Jun. 17, 2020, PCT No. PCT/EP2020/066829
§ 371(c)(1), (2) Date Dec. 16, 2021,
PCT Pub. No. WO2020/254447, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 19180850 (EP), filed on Jun. 18, 2019.
Prior Publication US 2022/0233814 A1, Jul. 28, 2022
Int. Cl. A61M 25/00 (2006.01)
CPC A61M 25/0053 (2013.01) [A61M 25/0012 (2013.01); A61M 25/0045 (2013.01); A61M 2025/0046 (2013.01); A61M 25/0054 (2013.01); A61M 2025/006 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A catheter comprising a jacket and defining a lumen, and extending distally towards a tip, the catheter comprising a helical support within the jacket for at least some of a length of the jacket,
wherein a distal end of the catheter has a plurality of portions of different configurations for different bending and/or pushability characteristics, said plurality of portions including at least one corrugated portion with a corrugated jacket,
characterized in that,
the catheter has a hydrophilic coating over at least one distal corrugated portion,
the hydrophilic coating is applied across at least 20 cm of a length of the catheter, and
a thickness of the hydrophilic coating in a hydrated state is less than 25% of a corrugate depth.