US 11,833,342 B2
Motor assembly for catheter pump
Adam R. Tanner, Mountain View, CA (US); Richard L Keenan, Livermore, CA (US); Doug M. Messner, Livermore, CA (US); and Michael R. Butler, Dublin, CA (US)
Assigned to TC1 LLC, St. Paul, MN (US)
Filed by TC1 LLC, Pleasanton, CA (US)
Filed on Nov. 30, 2020, as Appl. No. 17/106,563.
Application 17/106,563 is a continuation of application No. 16/742,129, filed on Jan. 14, 2020, granted, now 11,219,756.
Application 16/742,129 is a continuation of application No. 15/242,024, filed on Aug. 19, 2016, granted, now 10,576,193, issued on Mar. 3, 2020.
Application 15/242,024 is a continuation of application No. 13/802,468, filed on Mar. 13, 2013, granted, now 9,421,311, issued on Aug. 23, 2016.
Claims priority of provisional application 61/667,869, filed on Jul. 3, 2012.
Prior Publication US 2021/0077681 A1, Mar. 18, 2021
Int. Cl. A61M 60/419 (2021.01); A61M 60/422 (2021.01); A61M 60/13 (2021.01); A61M 60/538 (2021.01); A61M 60/515 (2021.01); A61M 60/216 (2021.01); A61M 60/148 (2021.01); A61M 60/414 (2021.01)
CPC A61M 60/419 (2021.01) [A61M 60/13 (2021.01); A61M 60/216 (2021.01); A61M 60/422 (2021.01); A61M 60/515 (2021.01); A61M 60/538 (2021.01); A61M 60/148 (2021.01); A61M 60/414 (2021.01); Y10T 29/49236 (2015.01)] 7 Claims
OG exemplary drawing
 
1. A catheter assembly, comprising:
a catheter body having a proximal portion and a distal portion;
an impeller coupled to the distal portion of the catheter body;
an expandable cannula surrounding the impeller;
a tip member coupled to the expandable cannula and positioned distal of the impeller, the tip member having a lumen; and
a guidewire guide tube extending through the impeller and at least partially through the lumen of the tip member, the guidewire guide tube defining a preformed pathway for insertion of a guidewire.