A61M60/88

SYSTEM AND METHOD FOR CONTROLLING A CARDIAC ASSISTANCE SYSTEM
20210393944 · 2021-12-23 ·

The invention relates to a system (100) and a method (500) for controlling a cardiac support system (10), comprising a first extracorporeal control device (110), wherein the first control device (110) is or can be connected to the cardiac support system (10) with a wire or a first coil (150) for communication and/or energy transfer, and comprising a second extracorporeal control device (120) which is wirelessly connected to the first control device (110). The invention also relates to a cardiac support system (10) having a control system according to the invention (100).

IMPLANTABLE PUMP SYSTEM HAVING A COAXIAL VENTRICULAR CANNULA

An implantable cardiovascular blood pump system is provided, suitable for use as a left ventricular assist device (LVAD) system, having an implantable cardiovascular pump, an extracorporeal battery and a controller coupled to the implantable pump, and a programmer selectively periodically coupled to the controller to configure and adjust operating parameters of the implantable cardiovascular pump. The implantable cardiovascular blood pump includes a coaxial inflow cannula and outflow cannula in fluid communication with one another and with a pumping mechanism. The pumping mechanism may be a vibrating membrane pump which may include a flexible membrane coupled to an electromagnetic actuator assembly that causes wavelike undulations to propagate along the flexible membrane to propel blood through the implantable cardiovascular pump. The implantable cardiovascular pump may be programmed to operate at frequencies and duty cycles that mimic physiologic flow rates and pulsatility while avoiding thrombus formation, hemolysis and/or platelet activation.

Fluid treatment system for a driveline cable and methods of assembly and use
11191947 · 2021-12-07 · ·

A fluid treatment system for a percutaneous cable and methods of assembly and use are described herein. In one aspect, the fluid treatment system includes a delivery tube comprising a distal end and a proximal end. The distal end is configured to surround at least a portion of the percutaneous cable. The percutaneous cable extends from within a patient to outside the patient through tissue at an exit site. The proximal end is connectable to a fluid source. Fluid from the fluid source is configured to be delivered to the exit site through the delivery tube. The fluid treatment system includes an anchor coupleable to the percutaneous cable to secure the percutaneous cable to the tissue at the exit site.

Implantable blood pumps comprising a linear bearing

Systems and methods for generating blood flow with a pump incorporating linear bearing technology are provided. The pump may include an actuator assembly, a moving assembly, and a linear hydrodynamic or thin-film bearing positioned within a housing. The moving assembly may include at least one magnet and the actuator assembly may include a magnetic assembly for selectively generating a magnetic field to cause linear reciprocating movement of the moving assembly with respect to the actuator assembly. The linear hydrodynamic or thin-film bearing may include a bearing portion on the moving assembly that is in fluid communication with a bearing portion on the actuator assembly or pump housing. The system may involve an implantable pump, an extracorporeal battery and a controller coupled to the implantable pump. The implantable pump may be suitable for use as a left ventricular assist device (LVAD).

INTRACORPOREAL GUIDE COMPONENT
20220203085 · 2022-06-30 ·

The invention relates to an intracorporeal guide component (1) for guiding lines belonging to medical devices inside a living being. The guide component (1) has a main body (2) comprising a line channel (3) for receiving and guiding the line. To secure the guide component (1) in the body of the living being more easily, with less damage to the tissue, according to the invention the main body (2) has, on its periphery, one or more contact surfaces (4, 4b) designed for interlocking and/or frictional contact with a bone structure of the living being. For example, the guide component (1) can be clamped between two costal arches of the living being, as an intercostal guide component (1), in order to securely hold and guide a line leading to the heart of the living being.

INTRACORPOREAL GUIDE COMPONENT
20220203085 · 2022-06-30 ·

The invention relates to an intracorporeal guide component (1) for guiding lines belonging to medical devices inside a living being. The guide component (1) has a main body (2) comprising a line channel (3) for receiving and guiding the line. To secure the guide component (1) in the body of the living being more easily, with less damage to the tissue, according to the invention the main body (2) has, on its periphery, one or more contact surfaces (4, 4b) designed for interlocking and/or frictional contact with a bone structure of the living being. For example, the guide component (1) can be clamped between two costal arches of the living being, as an intercostal guide component (1), in order to securely hold and guide a line leading to the heart of the living being.

ENDO-LEAK FREE AORTIC ADAPTER ASSEMBLY AND METHOD OF DEVICE DELIVERY
20230264013 · 2023-08-24 · ·

An aortic adapter assembly is provided, including a T-shaped flow connector, including: an inserted conduit portion, having a blood-contacting surface which is smooth; an extruded neck portion, wherein the inserted conduit portion is joined with the extruded neck portion; and a truss, disposed in the inserted conduit portion; wherein the T-shaped flow connector has a polymeric elastomer reinforced by the truss having a Nitinol material; wherein the inserted conduit portion has an inner wall which is gradually thinning at two conduit ends of the inserted conduit portion, with a proper distance of a tip of the conduit end to the outmost boundary of the truss, and the conduit end possesses a compliance-matching effect to an implant site artery; wherein a proximal end of the extruded neck portion is configured to be joined with an inlet adapter of a blood pump. The aortic adapter assembly is accompanied with a quick-connector type coupler and a deployment method to accomplish an insertion type flow communication between a ventricular assist device and the human circulation.

Implantable fluid pump system

An implantable fluid pump system is disclosed for supporting or initiating flow inside a hollow organ through which fluid circulates, in particular the heart. The fluid pump system comprises an intracardiac module, which includes two separate fluid channels, each of which possesses an intracardiac fluid channel opening and, located opposite the latter, an extracardiac fluid channel opening, a fastening module, which provides a joining contour for purposes of joining onto the intracardiac module in a fluid-tight manner, and a fastening structure for purposes of intracorporeal fastening onto the hollow organ, and a pump module, which can be mounted in a releasable manner directly or indirectly onto the intracardiac module, and can be attached in a fluid-tight manner to the extracardiac fluid channel openings in order to produce a fluid-tight connection of both fluid channels.

Inflow cannula including expandable sleeve and methods of implanting same

Disclosed herein is an inflow cannula for an implantable blood pump assembly. The inflow cannula includes a tubular body that extends from a proximal end to a distal end. The tubular body includes a proximal portion adapted for connection to a pump housing, and a distal portion adapted for positioning within an opening formed in a heart. The inflow cannula further includes an expandable sleeve coupled to an exterior surface of the distal portion. The sleeve has a first portion coupled to the distal portion of the tubular body, and a second portion extending from the distal end of the tubular body. The second portion is deployable from a first, stored configuration to a second, deployed configuration in which the second portion expands radially to engage and conform to an endocardial surface of the heart.

Catheter-based heart support system and method of implanting thereof
11730945 · 2023-08-22 ·

A device for circulatory support of the heart with holding means implanted intracardially in the left or right ventricular outflow of the hea by catheter, using an endovascular method, through a femoral access or a percutaneous transventricular, transseptal, transapical or transvenous access, the holding means comprises anchoring means fixed in the subcommissural triangle underneath the aortic valve and the pulmonary valve, in the flow direction of the blood on the ventricular side of the aortic valve and the pulmonary valve, a pump fixed in the holding means by a catheter, using an endovascular method, through a femoral access or a percutaneous transventricular, transseptal, transapical or transvenous access, the pump could be inserted releasably into the holding means after the holding means has been fixed by the anchoring means in the subcommissural triangles underneath the aortic valve and the pulmonary valve, or is connected to the collapsible and expandable anchoring means.