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Tc1 Llc patents


Recent patent applications related to Tc1 Llc. Tc1 Llc is listed as an Agent/Assignee. Note: Tc1 Llc may have other listings under different names/spellings. We're not affiliated with Tc1 Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tc1 Llc-related inventors


Self-tuning resonant power transfer systems

Systems and designs for tuning a wireless power transfer system are provided, which may include any number of features. In one embodiment, a wireless power transfer system can be configured such that resonant frequencies of the system move towards an operating frequency of the system as a coupling coefficient between the transmit and receive resonators becomes smaller. ... Tc1 Llc

Energy management of blood pump controllers

Systems and related methods for supplying power to a medical device employ self-charging serially-connectable portable batteries. A system includes a base module and external battery modules. ... Tc1 Llc

Blood pump controllers and methods of use for improved energy efficiency

Methods, systems, and devices for a mechanical circulatory support system are disclosed herein. An implantable power supply can be part of a mechanical circulatory support system. ... Tc1 Llc

Motor assembly with heat exchanger for catheter pump

A catheter pump is disclosed. The catheter pump can include an impeller and a catheter body having a lumen therethrough. ... Tc1 Llc

Systems and methods for transcutaneous power transfer using microneedles

A system for supplying power transcutaneously to an implantable device implanted within a subject is provided. The system includes an external connector including one of a microneedle array and a microwire holder. ... Tc1 Llc

Percutaneous driveline anchor devices and methods of use

Systems, methods, and devices for securing a driveline to a portion of skin are disclosed herein. The driveline can connect an external controller to an implantable blood pump. ... Tc1 Llc

Driveline bone anchors and methods of use

Systems, methods, and devices for securing a driveline to a bone are disclosed herein. The driveline can connect an external controller to an implantable blood pump. ... Tc1 Llc

Catheter pump with positioning brace

A catheter pump assembly is provided that includes an elongate body assembly, a shaft, and an impeller. The assembly has a proximal end, a distal end and at least one lumen extending therebetween. ... Tc1 Llc

Assembly and method for stabilizing a percutaneous cable

A percutaneous cable is attached to a mechanical cardiac pump and is passed through the skin. An anchor can be attached to the cable and implanted below the skin surface to stabilize the cable against movement. ... Tc1 Llc

Flow estimation using hall-effect sensors

Methods and apparatus for estimating flow rate in a blood circulation assist system employing impeller eccentricity. A method includes magnetically rotating an impeller within a blood flow channel of a blood pump. ... Tc1 Llc

Resonant power transfer systems with protective algorithm

Systems for tuning a wireless power transfer system are provided, which may include any number of features. In one embodiment, a tet system includes a receive resonator is adapted to be implanted in a human patient and is configured to receive wireless power from a transmit resonator. ... Tc1 Llc

Ventricular assist devices

An implantable blood pump includes a control unit storing patient specific settings. The control unit is configured to store patient specific settings. ... Tc1 Llc

Heart pump driveline power modulation

Systems and method for powering an implanted blood pump are disclosed herein. The system can be a mechanical circulatory support system. ... Tc1 Llc

Systems and methods for locating implanted wireless power transmission devices

A system for locating an implanted device including magnetic coils within a subject is provided. The system includes a magnetic sensor array including a plurality of magnetic sensors, the magnetic sensor array configured to measure a magnetic field generated by the implanted device, and a position detection module communicatively coupled to the magnetic sensor array, the position detection module configured to receive the measured magnetic field from the magnetic sensor array, and calculate a position of the implanted device based on the measured magnetic field.. ... Tc1 Llc

03/08/18 / #20180064863

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. ... Tc1 Llc

03/08/18 / #20180064862

Sheath assembly for catheter pump

In one embodiment, a catheter pump assembly is disclosed. The catheter pump assembly can include an impeller assembly. ... Tc1 Llc

03/08/18 / #20180064861

Axial flow blood pump

The invention generally relates to improved medical blood pump devices, systems, and methods. For example, blood pumps may be provided that include a housing defining a blood flow path between an inlet and an outlet. ... Tc1 Llc

03/01/18 / #20180055983

Prosthetic rib with integrated percutaneous connector for ventricular assist devices

A mechanical circulatory support system includes an implantable blood pump, an implantable prosthetic rib assembly, and an implantable drive cable. The prosthetic rib assembly includes a prosthetic rib segment and a percutaneous electrical connector mounted to the prosthetic rib segment. ... Tc1 Llc

03/01/18 / #20180055980

Catheter pump with access ports

A catheter pump is disclosed herein. The catheter pump can include an elongate catheter body and an impeller assembly coupled to a distal portion of the elongate catheter body. ... Tc1 Llc

02/22/18 / #20180050143

Heart pump cuff

At least some embodiments of the disclosure may advantageously limit bleeding and the occurrence of blood leaks after heart pump implantation. In some embodiments, a base may be provided that includes a flexible layer mechanically coupled with a conduit. ... Tc1 Llc

02/08/18 / #20180036463

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 relatively high rotation speeds and periods of relatively low rotation speeds. For example, the blood pump is rotated at a first speed for a first period of time. ... Tc1 Llc

02/01/18 / #20180028736

Fluid resistant locking electrical connector for ventricular assist devices

A fluid resistant electrical connector for an implantable medical device includes a first connector assembly and a second connector assembly. The first connector assembly includes a first housing, an elongated coupling member, and first electrical contacts distributed around the coupling member. ... Tc1 Llc

01/11/18 / #20180008759

Cardiac pump with speed adapted for ventricle unloading

A blood pump system is implantable in a patient for ventricular support. A pumping chamber has an inlet for receiving blood from a ventricle of the patient. ... Tc1 Llc

01/04/18 / #20180001006

Systems for upgrading ventricle assist devices

Systems and devices for an updatable blood pump are disclosed herein. The blood pump can be part of a mechanical circulatory support system that can include a system controller and the blood pump. ... Tc1 Llc

12/21/17 / #20170365154

Methods and systems for providing battery feedback to patient

A method for outputting a combined power source alarm for an implantable blood pump includes determining a status for each of first and second power sources of the blood pump. A combined power source alarm based on the statuses of the first and second power sources is outputted. ... Tc1 Llc

11/23/17 / #20170333611

Control of circulatory assist systems

In one general aspect, a method includes measuring blood flow through a right rotary blood pump, measuring blood flow through a left rotary blood pump, and controlling a speed of one of the rotary blood pumps using a controller that calculates the speed of one of the rotary blood pumps based on the measured blood flow through the other rotary blood pump.. . ... Tc1 Llc

11/23/17 / #20170333608

Catheter pump assembly including a stator

A catheter pump assembly is provided that includes a proximal a distal portion, a catheter body, an impeller, and a flow modifying structure. The catheter body has a lumen that extends along a longitudinal axis between the proximal and distal portions. ... Tc1 Llc

11/16/17 / #20170326283

Systems for lvad operation during communication losses

Systems and devices for an adaptable blood pump are disclosed herein. The blood pump can be part of a mechanical circulatory support system that can include a system controller and the blood pump. ... Tc1 Llc

11/16/17 / #20170326281

Ventricular cuff

In one general aspect, an implant includes a cuff defining an opening configured to receive a cannula coupled to a heart pump. The implant includes a coupling mechanism having a first position and a second position, the cuff being uncoupled from the cannula in the first position and the coupling mechanism coupling the cuff to the cannula in the second position. ... Tc1 Llc

11/09/17 / #20170324185

Compliant implantable connector and methods of use and manufacture

An implantable connector utilizing having improved electrical and mechanical properties is described herein. In one aspect, the implantable connector utilizes electrical contact pins fabricated from a corrosion resistant metal alloy, such as platinum-iridium, that engage longitudinally and include one or more urging members on a proximal portion of the pin so as to provide at least a desired contact force between conductively coupled pins. ... Tc1 Llc

11/09/17 / #20170319764

Reduced rotational mass motor assembly for catheter pump

A catheter pump is disclosed. The catheter pump can include an impeller and a catheter body having a lumen in which waste fluid flows proximally therethrough during operation of the catheter pump. ... Tc1 Llc

10/12/17 / #20170290965

Heart assist device with expandable impeller pump

An impeller includes a hub and a blade supported by the hub. The impeller has a stored configuration in which the blade is compressed so that its distal end moves towards the hub, and a deployed configuration in which the blade extends away from the hub. ... Tc1 Llc

09/14/17 / #20170258974

Prevention of aortic valve fusion

Materials and methods related to blood pump systems are described. These can be used in patients to, for example, monitor arterial pressure, measure blood flow, maintain left ventricular pressure within a particular range, avoid left ventricular collapse, prevent fusion of the aortic valve in a subject having a blood pump, and provide a means to wean a patient from a blood pump.. ... Tc1 Llc

08/31/17 / #20170246365

Implantable blood pump

A method for assisting blood circulation in a patient includes drawing a flow of blood from a patient's heart into a blood flow channel formed by a housing. The flow of blood is passed through a motor stator to a rotor disposed within the blood flow channel. ... Tc1 Llc

08/24/17 / #20170239406

Impeller for catheter pump

An impeller for a pump is disclosed herein. The impeller can include a hub having a fixed end and a free end. ... Tc1 Llc

08/24/17 / #20170239405

Motor assembly with heat exchanger for catheter pump

A catheter pump is disclosed. The catheter pump can include an impeller and a catheter body having a lumen therethrough. ... Tc1 Llc

08/17/17 / #20170232169

Guide features for percutaneous catheter pump

A catheter assembly can include a cannula disposed at a distal portion of the catheter assembly. The cannula can have a collapsed configuration and an expanded configuration. ... Tc1 Llc

08/17/17 / #20170232168

Pump and method for mixed flow blood pumping

A blood pump includes a hub having an axis of rotation and a generally cylindrical shape. The hub has an upstream end region, a central region, and a downstream end region, and the hub includes a magnetic material. ... Tc1 Llc

06/22/17 / #20170173239

Systems for upgrading ventricle assist devices

Systems and devices for an updatable blood pump are disclosed herein. The blood pump can be part of a mechanical circulatory support system that can include a system controller and the blood pump. ... Tc1 Llc

05/18/17 / #20170136163

Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device

A ventricular assist device is disclosed. The ventricular assist device may include a centrifugal pump and a controller. ... Tc1 Llc

05/04/17 / #20170119947

Multiaxial connector for implantable devices

Disclosed are systems for wireless energy transfer including transcutaneous energy transfer. Embodiments are disclosed for electrical connections between an implanted wireless receiver and an implanted medical device powered by the receiver. ... Tc1 Llc

05/04/17 / #20170119946

Sensor mounting in an implantable blood pump

Techniques for mounting a sensor are disclosed. In some implementations, a molded interconnect device carries a sensor for transducing a position of a rotor of the implantable blood pump. ... Tc1 Llc

04/13/17 / #20170104369

Resonant power transfer systems having efficiency optimization based on receiver impedance

The present disclosure provides systems and methods for controlling wireless power transfer systems. A wireless power transfer system includes a transmitter driven by a power source and a transmit controller, wherein the transmitter is configured to control delivery of wireless power, and a receiver inductively coupled to the transmitter, the receiver configured to receive the wireless power from the transmitter and deliver the received wireless power to a load. ... Tc1 Llc








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