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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


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. The patient specific settings can be used to determine a target operating speed for the blood pump and/or a target operating mode for the blood pump. The patient... 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. The system can... 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. The mechanical circulatory support system can include an implantable blood pump. The implantable blood pump includes a DC powered pump control unit that can control the blood pump according... 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... Tc1 Llc

Sheath assembly for catheter pump

In one embodiment, a catheter pump assembly is disclosed. The catheter pump assembly can include an impeller assembly. A catheter body can be coupled with the proximal end of the impeller assembly, the catheter body having a reduced stiffness section disposed proximally of the impeller assembly. A sheath assembly can... Tc1 Llc

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 chamber. A spindle magnet assembly includes... Tc1 Llc

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. A rotor may be positioned in the blood flow path. A motor stator may be... Tc1 Llc

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. The impeller assembly can comprise an impeller configured to rotate during operation of the catheter pump. A tube can extend through... Tc1 Llc

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. The prosthetic rib segment is configured to be mounted to... Tc1 Llc

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. The flexible layer may be coupled with the proximal end of... Tc1 Llc

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... Tc1 Llc

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. The second connector assembly includes a second housing, second... Tc1 Llc

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. An impeller is received in the pumping chamber. A motor is coupled to the impeller for driving rotation of the impeller. A motor... Tc1 Llc

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. The blood pump can include a rotary motor and a control unit that can communicate with the... Tc1 Llc

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. A method... Tc1 Llc

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. The impeller is disposed at the distal portion. The... Tc1 Llc

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... Tc1 Llc

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... Tc1 Llc

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. The blood pump can include a rotary motor and a control unit that can communicate with the... Tc1 Llc

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. The catheter pump can also include a drive shaft disposed inside the catheter body. A motor assembly can... Tc1 Llc

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... Tc1 Llc

Percutaneous heart pump

Disclosed herein are heart pumps that can include a catheter body and an impeller coupled with a distal end of the catheter body. The impeller can include a tip that is resealable or that includes a resealable member. The heart pump can also include a diffuser disposed between the distal... Tc1 Llc

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. The impeller is disposed at the distal portion. The... Tc1 Llc

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. The impeller may be... Tc1 Llc

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,... Tc1 Llc

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. The motor stator... 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. 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... Tc1 Llc

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. The impeller can also have a plurality of blades supported by the hub. Each blade can have a fixed end coupled to the hub and a free end.... Tc1 Llc

Pump and 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. Blades that are disposed on the downstream end region of the hub... Tc1 Llc

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. The cannula can be arranged to permit the flow of blood therethrough when in the expanded configuration. The catheter assembly can comprise a... Tc1 Llc

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. The blood pump can include a rotary motor and a control unit that can communicate with the... Tc1 Llc

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. The controller may be configured to cause the centrifugal pump to operate at a first speed above a predetermined flow rate. The controller may also be configured to cause the centrifugal pump... Tc1 Llc

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. The molded interconnect device includes one or more integrated electronic circuit traces configured to electrically connect the Hall sensor with a... Tc1 Llc

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. Methods for manufacturing and using the devices and system are also disclosed.... Tc1 Llc

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... Tc1 Llc








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