MOTOR ASSEMBLY WITH HEAT EXCHANGER FOR CATHETER PUMP

Title:

MOTOR ASSEMBLY WITH HEAT EXCHANGER FOR CATHETER PUMP

Document Type and Number:

WIPO Patent Application WO/2016/118781

Kind Code:

A3

Abstract:

A catheter pump is disclosed. The catheter pump can include an impeller and a catheter body having a lumen therethrough. The catheter pump can also include a drive shaft disposed inside the catheter body, A motor assembly can include a chamber. The motor assembly can include a rotor disposed in the at least a portion of the chamber, the rotor mechanically coupled with a proximal portion of the drive shaft such that rotation of the rotor causes the drive shaft to rotate. The motor assembly can also comprise a stator assembly disposed about the rotor. The motor assembly can also include a heat exchanger disposed about the stator assembly, the heat exchanger may be configured to direct heat radially outward away from the stator assembly, the rotor, and the chamber.

Inventors:

TANNER ADAM R (US)
BUTLER MICHAEL R (US)
JENKINS TODD (US)

Application Number:

PCT/US2016/014379

Publication Date:

September 22, 2016

Filing Date:

January 21, 2016

Export Citation:

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Assignee:

THORATEC CORP (US)

International Classes:

A61M25/00; A61M60/13; A61M60/216; A61M60/422; A61M60/857

Domestic Patent References:

WO2001017581A2

2001-03-15

Foreign References:

US4895557A	1990-01-23
US20080168796A1	2008-07-17
US20140010686A1	2014-01-09
US20130106212A1	2013-05-02
US5859482A	1999-01-12

Other References: