US 12,447,328 B2
Intravascular blood pumps and methods of manufacture and use
Michael Calomeni, San Jose, CA (US); Brian D. Brandt, Morgan Hill, CA (US); Daniel Hildebrand, Santa Cruz, CA (US); and Tom Saul, Portland, OR (US)
Assigned to Shifamed Holdings, LLC, Campbell, CA (US)
Filed by Shifamed Holdings, LLC, Campbell, CA (US)
Filed on Mar. 22, 2024, as Appl. No. 18/614,131.
Application 18/614,131 is a continuation of application No. 16/927,705, filed on Jul. 13, 2020, granted, now 11,964,145.
Claims priority of provisional application 62/881,176, filed on Jul. 31, 2019.
Claims priority of provisional application 62/873,722, filed on Jul. 12, 2019.
Claims priority of provisional application 62/873,736, filed on Jul. 12, 2019.
Prior Publication US 2025/0050093 A1, Feb. 13, 2025
Int. Cl. A61M 60/857 (2021.01); A61M 60/13 (2021.01); A61M 60/139 (2021.01); A61M 60/174 (2021.01); A61M 60/216 (2021.01); A61M 60/295 (2021.01); A61M 60/414 (2021.01); A61M 60/808 (2021.01); A61M 60/81 (2021.01)
CPC A61M 60/857 (2021.01) [A61M 60/13 (2021.01); A61M 60/139 (2021.01); A61M 60/174 (2021.01); A61M 60/216 (2021.01); A61M 60/295 (2021.01); A61M 60/414 (2021.01); A61M 60/808 (2021.01); A61M 60/81 (2021.01); A61M 2207/00 (2013.01); A61M 2230/30 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A catheter blood pump, comprising:
an elongate shaft;
an expandable pump portion extending distally from the elongate shaft, the pump portion including:
an expandable impeller housing including an expandable blood conduit that defines a blood lumen between an inflow region and an outflow region;
at least one impeller disposed at least partially within the blood lumen;
a first sensor wire secured to the expandable impeller housing and extending from a proximal end of the expandable impeller housing to a distal end of the expandable impeller housing;
a distal sensor coupled to the first sensor wire and disposed distal to a distal end of the expandable blood conduit;
a proximal sensor disposed near the outflow region; and
a second sensor wire coupled to the proximal sensor.