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Thoratec Corporation patents


Recent patent applications related to Thoratec Corporation. Thoratec Corporation is listed as an Agent/Assignee. Note: Thoratec Corporation may have other listings under different names/spellings. We're not affiliated with Thoratec Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Thoratec Corporation-related inventors


Magnetic power transmission utilizing phased transmitter coil arrays and phased receiver coil arrays

An improved wireless transmission system for transferring power over a distance. The system includes a transmitter generating a magnetic field and a receiver for inducing a voltage in response to the magnetic field. In some embodiments, the transmitter can include a plurality of transmitter resonators configured to transmit wireless power... Thoratec Corporation

Fluid seals for catheter pump motor assembly

A catheter pump system is disclosed. The catheter pump system can include a shaft assembly and an impeller coupled with a distal portion of the shaft assembly. A motor assembly can impart rotation on the impeller through the shaft assembly, the motor assembly comprising a motor which rotates the shaft... Thoratec Corporation

Gas-filled chamber for catheter pump motor assembly

A catheter pump system is disclosed. The catheter pump system can include a shaft assembly and an impeller coupled with a distal portion of the shaft assembly. The catheter pump system can include a motor assembly, the motor assembly comprising a chamber and a shaft-driving portion disposed in the chamber.... Thoratec Corporation

Integrated implantable tets housing including fins and coil loops

Systems and methods for wireless energy transfer are described. A transmitter unit has a transmitter resonator with a coil that is coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. The... Thoratec Corporation

Thermal management for implantable wireless power transfer systems

Thermal management solutions for wireless power transfer systems are provided, which may include any number of features. In one embodiment, an implantable wireless power receiver includes at least one thermal layer disposed on an interior surface of the receiver configured to conduct heat from a central portion of the receiver... Thoratec Corporation

Generating artificial pulse

In order to produce a pulsatile blood flow pattern that includes time periods of relatively high blood flow rates and time periods of relatively low blood flow rates, the operating speed of a blood pump can be selectively controlled to produce an operating speed pattern that includes time periods of... Thoratec Corporation

Rotary blood pump with opposing spindle magnets, bore and drive windings

Various “contactless” bearing mechanisms including hydrodynamic and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. In one embodiment, a pump apparatus includes a pump housing defining a pumping chamber. The housing has a spindle extending into the pumping chanber. A spindle magnet assembly includes... Thoratec Corporation

Distal bearing support

In various embodiments, a catheter pump is disclosed herein. The catheter pump can include an elongated catheter body having a distal portion including an expandable cannula having an inlet and an outlet. The expandable cannula can have a delivery profile and an operational profile larger than the delivery profile. An... Thoratec Corporation

Methods of operating a rotary blood pump

Various “contactless” bearing mechanisms including hydrodynamic, hydrostatic, and magnetic bearings are provided for a rotary pump as alternatives to mechanical contact bearings. These design features may be combined. In one embodiment, the pump apparatus includes a rotor having a bore, a ring-shaped upper rotor bearing magnet, and a ring-shaped lower... Thoratec Corporation

Motor assembly for catheter pump

A catheter pump is disclosed herein. The catheter pump can include a catheter assembly that comprises a drive shaft and an impeller coupled to a distal end of the drive shaft. A driven assembly can be coupled to a proximal end of the drive shaft within a driven assembly housing.... Thoratec Corporation

Hall sensor mounting in an implantable blood pump

A molded interconnect device can carry a Hall sensor for transducing a position of a rotor of the implantable blood pump. The molded interconnect device includes one or more integrated electronic circuit traces configured to electrically connect the hall sensor with a printed circuit board of the implantable blood pump,... Thoratec Corporation

Wireless energy transfer system and wearables

Disclosed are systems for wireless energy transfer including transcutaneous energy transfer. Embodiments are disclosed for user interface (UI) hubs to connect multiple batteries and to output system information to a patient. Embodiments are further disclosed for garment and devices to be worn by a patient requiring treatment. The garments are... Thoratec Corporation

Rotary blood pump

The present invention provides a rotary blood pump with both an attractive magnetic axial bearing and a hydrodynamic bearing. In one embodiment according to the present invention, a rotary pump includes an impeller assembly supported within a pump housing assembly by a magnetic axial bearing and a hydrodynamic bearing. The... Thoratec Corporation

Catheter pump introducer systems and methods

A catheter system for a catheter pump is disclosed. The system can include an elongate catheter body having a distal portion including an expandable cannula having an inlet and an outlet. The expandable cannula can have a delivery profile and an operational profile larger than the delivery profile. An impeller... Thoratec Corporation

Heart pump providing adjustable outflow

A heart pump is disclosed herein. The heart pump can include a cannula having one or more outlets. An impeller can be positioned in the cannula. The impeller can be configured to pump blood through the outlets along a longitudinal axis when the impeller is rotated at an operational speed.... Thoratec Corporation

Catheter pump with off-set motor position

A catheter pump assembly is provided that includes an elongate body, an elongate flexible shaft disposed in the elongate body, and an impeller coupled with the distal end of the elongate flexible shaft. The drive system includes a drive component, a motor and a tension member. The tension member is... Thoratec Corporation

Cantilevered rotor pump and methods for axial flow blood pumping

Blood pump devices having improved rotor design are provided herein. Such blood pump devices include rotors having cantilevered support through a sealed mechanical bearing disposed outside a blood flow path of the device so as to avoid thrombus formation caused by blood contact with the bearing. The bearing means can... Thoratec Corporation

Strain gauge for flow estimation

A pressure differential across a blood pump and/or a flow rate of blood pumped by the blood pump is estimated based at least in part on impeller thrust load. A blood pump for a circulation assist system includes a housing forming a blood flow channel, an impeller, one or more... Thoratec Corporation

Flow estimation using hall-effect sensors

Methods for estimating flow rate in a blood circulation assist system employ impeller eccentricity. A method includes magnetically rotating an impeller within a blood flow channel of a blood pump. The impeller is levitated within the blood flow channel transverse to the impeller axis of rotation. A rotational speed for... Thoratec Corporation








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