Kardion Gmbh

Robert Boschgmbh

Trumpf Photonic Components Gmbh

Thomas Alexander Schlebusch

Andreas Petersen

Julian Kassel

Johannes Meyer

Hans Spruit

Ingo Stotz

Inga Schellenberg

Hardy Baumbach

Tobias Schmid

Martina Budde

Jochen Hellmig

Ricardo Ehrenpfordt

David Minzenmay

Ahmad Mansour

Stephan Gronenborn

Tjalf Pirk

Reinhold Fiess

Armin Schuelke

Stefan Henneck

Marc Schmid

Stefan Gering

Karin Schneider

Tobias Baechle

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

Device and method for monitoring the state of health of a patient

The invention relates to a method for determining a fluid volume flow () through an implanted vascular support system (), comprising the following steps: a) determining a fluid temperature parameter in the region of a cannula () of the support system (), b) operating a heating element () which can bring about a change in a fluid temperature in the cannula (), c) determining the fluid volume flow () using at least the fluid temperature parameter or the change thereof and at least one heating element operating parameter or the change thereof. The invention also relates to a vascular support system.

Systems and methods for determining a blood volume flow through a cardiac support system and vascular support system

A cardiac support system () is equipped with a retaining structure () for the cardiac support system, said retaining structure () being intended to fix the cardiac support system in place. The cardiac support system comprises a device for monitoring the integrity of the retaining structure ().

Cardiac assist system, and method for monitoring the integrity of a retaining structure of a cardiac assist system

The invention relates to a sensor head device for a heart support system, wherein the sensor head device has at least one sensor carrying element, wherein the sensor carrying element has at least one sensor cavity for accommodating at least one sensor and/or at least one signal transmitter cavity for accommodating at least one signal transmitter.

Sensor head device for a minimal invasive ventricular assist device and method for producing such a sensor head device

The invention relates to an electronics module () for a ventricular assist device, wherein the ventricular assist device has a motor housing for accommodating a pump motor. The electronics module () comprises an electronics section () for accommodating at least one electronic component () and/or at least one electrically conductive contacting element (), and a coupling section () designed as a joint between the motor housing () and the electronics section () or as a separate component to be joined, wherein the motor housing () and the electronics section () are combined or can be combined via the coupling section () with one another to form a fluid-tight module housing () to be arranged in a blood vessel.

Electronics module and arrangement for a ventricular assist device, and method for producing a ventricular assist device

The invention relates to a motor housing module () for sealing a motor compartment of a motor of a heart support system. The motor housing module () has at least one feed-through portion (), at least one feed-through line (), and at least one contact pin (). The feed-through portion () is designed to establish an electrical connection between the heart support system and a connection cable in order to externally contact the heart support system. The at least one feed-through line () is embedded in the feed-through portion () and extends through the feed-through portion (). The feed-through line () can be connected to the motor and to the connection cable. A first end of the at least one contact pin () is embedded in the feed-through portion () and a second end of the contact pin () projects from the feed-through portion () on a side facing away from the motor compartment. The second end of the contact pin () can be connected to a sensor line to at least one sensor of the heart support system and to the connection cable.

Motor housing module for a heart support system, and heart support system and method for mounting a heart support system

The invention relates to an implantable vascular support system (), comprising:—a fluid channel () passing through the support system () and through which fluid can flow; —a first pressure sensor () arranged and configured to determine at least a static pressure or a total pressure in the region of the support system (); —a second pressure sensor () arranged and configured to determine at least a static pressure or a total pressure in the region of the fluid channel ().

Cardiac support system flow measurement using pressure sensors

A method for determining a direction of gaze of an eye for data glasses. The method includes: reading distance values and speed values, which represent a distance between laser sensors for emitting laser beams and surface intersection points of the laser beams on the eye and also surface speeds at the surface intersection points; classifying the distance values and the speed values in order to obtain classification values which indicate the parts of the eye associated with the surface intersection points; estimating position values which represent positions of the laser sensors using the distance values, the speed values, and the classification values; and ascertaining a gaze direction value which represents the gaze direction using the position values, the distance values, and the speed values.

Method and device for determining a direction of gaze of an eye and data glasses

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

Systems and methods for determining a total blood volume flow in a cardiac support system and vascular support system

A method for determining the speed of sound in a fluid in the region of an implanted, vascular support system includes sending an ultrasonic signal using an ultrasonic sensor, reflecting the ultrasonic signal on at least one sound reflector, receiving the reflected ultrasonic signal, and determining the speed of sound in the fluid using the ultrasonic signal. The at least one sound reflector may be visible in the field of vision of the ultrasonic sensor and arranged at a defined distance at least to the ultrasonic sensor or to a further sound reflector.

Method and system for determining the speed of sound in a fluid in the region of a cardiac support system

The invention relates to a method for determining at least a flow velocity or a fluid volume flow () of a fluid flowing through an implanted vascular support system (), comprising the following steps: a) carrying out a pulsed Doppler measurement by means of an ultrasonic sensor () of the support system (), b) evaluating a measurement result from step a), which has a possible ambiguity, c) providing at least one operating parameter of a flow machine () of the support system (), d) determining at least the flow velocity or the fluid volume flow () using the measurement result evaluated in step b), wherein the possible ambiguity of the measurement result is corrected using the operating parameter.

Systems and methods for determining a flow speed of a fluid flowing through a cardiac assist device

The invention relates to a method for operating an implanted, ventricular assist system (), comprising the following steps: a) determine a first impedance parameter at a first point in time by means of the assist system (), b) determine a second impedance parameter at a second point in time by means of the assist system (), c) at least determine a change of the impedance parameter using the first impedance parameter and the second impedance parameter, or compare at least the first or second impedance parameter to a threshold value.

Implantable ventricular assist system and method for operating same

A laser sensor includes a laser source configured to emit a laser beam, and optics configured to project the laser beam as a one- or two-dimensional patterned laser beam onto an object to be examined, such that a distance of the patterned laser beam from the laser source varies along the patterned laser beam projected on the object. The laser sensor further includes a detector configured to determine a self-mixing interference signal generated by laser light of the patterned laser beam reflected from the object back into the laser source, and circuitry configured to analyze a spectrum of the self-mixing interference signal and extract from the spectrum of the self-mixing interference signal multiple frequencies that are indicative of at least one of the following: multiple distances along the patterned laser beam from the laser source, or multiple velocities along the patterned laser beam with respect to the laser source.

Laser sensor, system and method for self-mixing interferometry

The approach presented here relates to an analysis device () for analyzing a viscosity of a fluid (). The analysis device () comprises a detection device () and a provisioning device (). The detection device () is formed to determine the viscosity of the fluid () using at least one Doppler parameter of a Doppler spectrum of the fluid (). The provisioning device () is formed to provide or transmit a viscosity signal that represents the viscosity determined by the detection device ().

Analysis device and method for analyzing a viscosity of a fluid

The invention relates to a method for determining a flow rate of a fluid flowing through an implanted vascular assist system (), said method comprising the following steps: a) carrying out a first pulsed Doppler measurement at a first pulse repetition rate by means of an ultrasonic sensor () of the assist system (); b) carrying out a second pulsed Doppler measurement at a second pulse repetition rate by means of the ultrasonic sensor () of the assist system (), wherein the second pulse repetition rate differs from the first pulse repetition rate; c) determining the flow rate using measurement results of the first pulsed Doppler measurement and the second pulsed Doppler measurement.

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Renningen, Germany

Thomas Alexander Schlebusch