Abstract: An insertion catheter for a circulatory support catheter having a circulatory support device carried by an elongate flexible catheter shaft. The insertion catheter comprises a tubular body with a distal portion configured to axially movably receive the circulatory support device. A diameter of the distal portion is greater than a diameter of a mid portion of the tubular body. The insertion catheter may be inserted into an introducer sheath for delivery of the MCS device. A distal end of the insertion catheter may be located distally of a distal end of the introducer sheath and distally of the arterial bifurcation. The distal portion of the insertion catheter containing the MCS device may be located distally of the bifurcation, with a distal end of the MCS device slightly offset from the distal end of the tubular body.

Abstract: The present disclosure relates to a method for detecting a state of wear of a cardiac support system. The method comprises a read-in step and a determination step. During the read-in step, a sensor signal representing an operating state of the cardiac support system is read in. During the determination step, a wear signal is determined using the sensor signal and a comparison rule. The wear signal represents the wear condition.

Abstract: The invention relates to a line device (105) for conducting a blood flow for a heart support system. The heart support system has a head unit and an outlet unit. The line device (105) has a main part (205). The main part (205) has, at a first end, a first attachment section (210) for attaching the line device (105) to the head unit and, at a second end, a second attachment section (215) for attaching the line device (105) to the outlet unit. Furthermore, the main part (205) has a mesh section (220) between the attachment sections (210, 215), wherein the mesh section (220) has a mesh structure (230) formed from at least one mesh wire (225). In addition, the main part (205) has an inlet section (235), arranged in the first attachment section (210), for introducing the blood flow into the main part (205).

Abstract: A punching device, for punching a lumen and implanting an implant device, includes at least the implant device for punching the lumen and for implantation into the lumen. In addition, the punching device includes an implantation device, a closure device, and an actuation device.

Abstract: The invention relates to a method for detecting a state of wear of a cardiac support system. The method comprises a read-in step and a determination step. During the read-in step, a sensor signal (315) representing an operating state of the cardiac support system is read in. During the determination step, a wear signal (325) is determined using the sensor signal (315) and a comparison rule (320). The wear signal (325) represents the wear condition.

Abstract: The present disclosure is directed generally to mechanical cardiovascular support systems used in the medical field to assist the movement of blood. In particular the present disclosure is directed to mechanical cardiovascular support systems where an impeller is connected to a motor via a rotary drive shaft, the motor is contained in a motor compartment, the rotary drive shaft extends from the motor compartment, and a mechanical seal, for example a rotary shaft lip seal, prevents blood from entering the motor compartment. The seal may have an inverted radial shaft seal, have two opposing radial shaft seals, and/or have one or more elastomeric discs, among other features.

Abstract: Disclosed herein are systems and methods relating to an implant device, such as a heart pump. The implant device may comprise an implant, a fastening device, a release device, and a transfer device. The implant may be shaped for implantation in a vascular canal. The fastening device may have a coupling section that is coupled to the implant and is movable between a fastening position, in which the fastening device is configured to fasten the implant in the vascular canal, and a release device, which may be configured to transfer the fastening device to a release position and releases the implant. The transfer device may be coupled to the fastening device and is adapted to cause transfer of the fastening device between the fastening position and the release position in response to an actuation.

Abstract: An apparatus for holding at least one extracorporeal device of a cardiac-support system includes a receiving unit configured to receive at least one extracorporeal device and a fastening unit configured to fasten the receiving unit to a furniture. The at least one extracorporeal device is connected to an implant device of a cardiac support system via a supply line.

Abstract: Inlet device and connecting devices for a minimally invasive miniaturized percutaneous mechanical circulatory support system. The inlet device includes an inlet portion and a transfer portion with a support structure. The inlet device can be used for transmitting a body fluid of a patient, for example blood, to an impeller of a pump of the circulatory support system. The connecting device can include a receiving element and an insertion element. The receiving element of the connecting device can include a receiving structure that the insertion element of the connecting device can be pushed into. The insertion element can include at least one slide-on ramp, the slide-on ramp being connectable to the receiving structure in a form-fitting, non-positive, force-locking, and/or self-locking manner. The inlet device can include a receiving element or an insertion element of the connecting device.

Abstract: A sensor device for sensing at least one functional value of a medical device is described herein. The sensor device includes a micro-electronic-mechanical system, an attachment device, and a communication interface. The micro-electronic-mechanical system senses (for example, determines or detects) a functional value associated with a medical device. The attachment device attaches the sensor device to a medical device, a part of the body of a patient, or to the patient intracorporeally. The communication interface provides (for example, wirelessly transmits) at least one functional value to an external device.

Abstract: The disclosure relates to a device for transcutaneously transmitting energy into a human body. The device may include an extracorporeally arranged transmission device that includes an induction charging coil and a sensor. Upon receiving an electrical current, the induction charging coil may provide a magnetic field to inductively transmit energy to an induction coil arranged intracorporeally, transcutaneously powering a medical device, such as a mechanical circulatory support system within in the body. The sensor may provide a position signal representing a relative position between the induction charging coil and the induction coil. In turn the position signal may be used to position the extracorporeal induction coil so that energy it is concentrically aligned with the intracorporeal induction coil and energy can be efficiently transferred to the medical device.

Abstract: A minimally invasive miniaturized percutaneous mechanical circulatory support system for transcatheter delivery of a pump to the heart that actively unloads the left ventricle by pumping blood from the left ventricle into the ascending aorta and systemic circulation. The pump may include a tubular housing, a motor, an impeller configured to be rotated by the motor. The impeller may be rotated by the motor, via a shaft with an annular polymeric seal around the shaft, or via a magnetic drive. The system may have an insertion tool having a tubular body and configured to axially movably receive the circulatory support device, and an introducer sheath configured to axially movably receive the insertion tool.

Abstract: Disclosed is a mechanical circulatory support system for transcatheter delivery to the heart, having a removable guidewire aid to assist with inserting the guidewire along a path that avoids a rotating impeller. The system may comprise a catheter shaft and a circulatory support device carried by the shaft. The device may comprise a tubular housing, an impeller and the guidewire aid. The guidewire aid may include a removable guidewire guide tube. The guide tube may enter a first guidewire port of the tubular housing, exit the tubular housing via a second guidewire port on a side wall of the tubular housing on a distal side of the impeller, enter a third guidewire port on a proximal side of the impeller, and extend proximally through the catheter shaft.

Abstract: Disclosed is a minimally invasive miniaturized percutaneous mechanical circulatory support system. The system may be placed across the aortic valve via a single femoral arterial access point. The system includes a low profile axial rotary blood pump carried by the distal end of a catheter. The system can be percutaneously inserted through the femoral artery and positioned across the aortic valve into the left ventricle. The device actively unloads the left ventricle by pumping blood from the left ventricle into the ascending aorta and systemic circulation. A magnetic drive and encased motor housing allows for purgeless operation for extended periods of time to treat various ailments, for example more than six hours as acute therapy for cardiogenic shock.

Abstract: A blade for a cutting instrument, in particular for medical use, includes a first ceramic layer, a second ceramic layer, and a heating device arranged between the first ceramic layer and the second ceramic layer.

Abstract: The invention relates to a device (150) for monitoring the state of health of a patient (100), wherein the device (150) comprises an input interface (160) for inputting a first pressure signal (145) and a second pressure signal (155) and a processing unit (165) for processing the first pressure signal (145) and the second pressure signal (155) in order to determine a processing value (170) in order to monitor the state of health of the patient (100) based the processing value (170).

Abstract: 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).

Abstract: The invention relates to a device (105) for determining a cardiac output for a cardiac assist system (100), wherein the device (105) comprises a support structure (115) and a sensor device (120). The support structure (115) comprises at least one brace (125) and a connection section (130) for connecting the device (105) to an element (110, 112) of the cardiac assist system (100). The at least one brace (125) is connected to the connection section (130) and can be folded away from the element (110, 112). The sensor device (120) is coupled to the at least one brace (125) and configured to sense a blood stream.

Abstract: The invention relates to an implantable device (1) for determining a fluid volume flow (2) through a blood vessel (3), comprising: —at least one sensor (4) for recording at least one flow parameter, —a retaining means (5) for retaining a vessel wall port (6) in the region of a vessel wall (7) of the blood vessel (3), wherein the retaining means (5) is formed to retain the at least one sensor (4) in the region of the vessel wall (7).

Abstract: The invention relates to a method for determining a total fluid volume flow (1) in the region of an implanted vascular support system (2), comprising the following steps: a) determining a reference temperature (3) of the fluid, b) determining a motor temperature (4) of an electric motor (5) of the support system (2), c) determining the thermal dissipation loss (6) of the electric motor (5), d) ascertaining the total fluid volume flow (1) using the reference temperature (3), the motor temperature (4), and the thermal dissipation loss (6) of the electric motor (5).