US 12,076,545 B2
Intravascular blood pumps and methods of use and manufacture
Amr Salahieh, Saratoga, CA (US); Tom Saul, Portland, OR (US); Brady Esch, San Jose, CA (US); Anna Kerlo, Milpitas, CA (US); Daniel Hildebrand, Santa Cruz, CA (US); and Daniel Varghai, Scotts Valley, CA (US)
Assigned to Shifamed Holdings, LLC, Campbell, CA (US)
Filed by SHIFAMED HOLDINGS, LLC, Campbell, CA (US)
Filed on Dec. 15, 2021, as Appl. No. 17/552,311.
Application 17/552,311 is a continuation of application No. 16/714,382, filed on Dec. 13, 2019, granted, now 11,229,784.
Application 16/714,382 is a continuation of application No. 16/265,828, filed on Feb. 1, 2019, granted, now 10,722,631, issued on Jul. 28, 2020.
Claims priority of provisional application 62/625,312, filed on Feb. 1, 2018.
Prior Publication US 2022/0105337 A1, Apr. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 60/148 (2021.01); A61M 60/139 (2021.01); A61M 60/174 (2021.01); A61M 60/237 (2021.01); A61M 60/414 (2021.01); A61M 60/804 (2021.01); A61M 60/818 (2021.01)
CPC A61M 60/148 (2021.01) [A61M 60/139 (2021.01); A61M 60/174 (2021.01); A61M 60/237 (2021.01); A61M 60/414 (2021.01); A61M 60/804 (2021.01); A61M 60/818 (2021.01)] 17 Claims
OG exemplary drawing
 
1. An intravascular blood pump, comprising:
a collapsible housing including a fluid impermeable fluid conduit coupled to an expandable member, the expandable member having an open structure permitting flow therethrough, the fluid conduit including a distal end and a proximal end, a proximal portion of the expandable member extending proximally beyond the proximal end of the fluid conduit; and
a collapsible impeller having an expanded configuration, a portion of the collapsible impeller being disposed outside of the fluid conduit while a remaining portion of the impeller is disposed in the fluid conduit.