| BIOTRONIK CRM Patent AG Patent applications |
| Patent application number | Title | Published |
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| 20110263966 | Dissipation Device and MRI-Safe Catheter System - A dissipation device having a proximal end, which is located outside the body, and a distal end, which is suited in particular for elongate medical instruments, in particular electrophysiological catheters or temporary electrode leads, placed temporarily in the body. The dissipation device including a dissipation sleeve which extends from the proximal end to the distal end of the dissipation device, and a lumen which extends from the proximal end to the distal end, and in which the instrument can be displaceably guided, wherein the lumen is enclosed by the dissipation sleeve. The dissipation device is characterized in that the dissipation sleeve is composed, at least partially, of electrically conductive material, and/or the dissipation sleeve includes dissipation means composed of electrically conductive material and, therefore, the dissipation sleeve is designed to dissipate or divert electrical energy induced by electromagnetic radiation. | 10-27-2011 |
| 20110153011 | MRT-ADJUSTED IEGM-SCANNING - A device and a method for working with electromagnetic fields, specifically those fields that occur in image-guided nuclear spin tomography examinations (MRT or MRI). More precisely, the invention concerns an at least partially implanted medical device (IMD) that permits the delivery of electrical stimulation impulses by an electrode only in timeframes, in which no electromagnetic interferences are recognized and/or the control unit performs a reconstruction of electrical measurements for the timeframes in which electromagnetic interferences are recognized. | 06-23-2011 |
| 20110152973 | EXTENDED NOISE MODE - A device and a method for working in the presence of electromagnetic fields, in particular fields occurring in cautery applications. Also relates to a partially implanted medical device (IMD), having a unit for detecting electromagnetic interference fields, at least one control unit, a timer, and a detection unit for electrical measured variables and/or a stimulation unit, at least one electrode line having an electrode at one end which is brought into contact with bodily tissue, and which either extends inside the body and/or is situated on the surface of an implant, wherein when nonphysiological signals and/or electromagnetic interference fields are detected and the unit for electromagnetic interference fields evaluates the detected signals as nonphysiological signals for a first specifiable time period, and/or for a second specified time period the stimulation unit is placed in an asynchronous operating state in which the wearer of the IMD is asynchronously stimulated. | 06-23-2011 |
| 20110152972 | SWITCHED PROTECTIVE DEVICE AGAINST ELECTROMAGNETIC INTERFERENCE - A device and a method for working in the presence of electromagnetic fields, in particular fields occurring in magnetic resonance tomography (referred to below as “MRT” or “MRI”) imaging devices. More precisely, the invention relates to a medical device (MD) in which an electrode is in contact with bodily tissue, and for detection of electromagnetic interference fields the input characteristic of the MD is automatically modified by a switching device in such a way that the influences of the electromagnetic interference fields are minimized. | 06-23-2011 |
| 20110152733 | MRT LORENTZ VIBRATOR - A device and a method for recognizing electromagnetic fields, specifically those fields that occur in image-guided nuclear spin tomography examinations (hereinafter MRT or MRI). In particular, it relates to an implantable medical device (IMD) containing a unit for detecting MRT activity, whereby the unit for the detection of MRT activity consists of at least one vibration transducer that transforms vibrations and/or oscillations caused by an MRT device into an electrical or optical signal and the unit for detecting MRT activity recognizes an MRT activity because of this signal. | 06-23-2011 |
| 20110152674 | MRT antenna - The disclosure relates to a device and a method for detecting electromagnetic fields, in particular fields occurring in imaging magnetic resonance tomography. | 06-23-2011 |
| 20110152673 | MRT SIGNALING - A device and a method for handling and withstanding electromagnetic fields, specifically such fields as occur in magnetic resonance tomography examinations (i.e., MRT or MRI). This refers in particular to an IMD that can transmit data and/or parameters to an MRT device. | 06-23-2011 |
| 20110152672 | MRT OPTOCOUPLER - Device and method for detecting electromagnetic fields occurring in imaging magnetic resonance tomography MRT/MRI tests. Relates to an implantable medical device (IMD) comprising a hermetically sealed housing, control unit(s), detection unit(s) for MRT interference fields connected/connectable to control unit(s) and to electrode(s) and/or to antenna(s) and/or coil(s), wherein the MRT interference detection unit contains at least one electro-optical converter which converts induced voltages from the electrode(s) and/or the antenna(s) and/or the coil(s) to optical signals, which are optically transmitted in a potential-free manner within the detection unit for MRT interference fields to an evaluation unit for the detection unit for MRT interference fields, and when a threshold for the optical signal and/or a predetermined periodic occurrence of the optical signals is exceeded, the evaluation unit triggers switching to an MRI-safe state or transmits a corresponding signal to the control unit(s). | 06-23-2011 |
| 20110152667 | MRI gradient field detector - A device and a method are disclosed for detecting electromagnetic fields, in particular, fields occurring in magnetic resonance tomography (MRT) or magnetic resonance imaging (MRI) tests. An implantable medical device (IMD), contained in a hermetically sealed housing, includes a control unit, a programming coil, and a communication unit, wherein the communication unit, together with the programming coil, is designed to allow communication between an external programming device and the IMD by utilizing alternating electromagnetic fields, and further comprising a detection unit for MRT interference fields, characterized in that the detection unit is designed in such a way that voltage profiles induced in the programming coil and originating from a pulsed alternating electromagnetic field of the MRT (gradient field) are detected, and a corresponding MRT detection signal is transmitted from the detection unit to the control unit, if communication with a programming device is not detected at the same time. | 06-23-2011 |
| 20110148400 | POSITION SENSOR FOR MRT DETECTION - Allows the specificity of an automatic MRT detection to be increased in a simple manner. This is achieved using an automatically calibrating position sensor, so that the user does not have to perform additional calibration of this sensor. Incorrect sensor calibrations are thus eliminated as well. | 06-23-2011 |
| 20110148365 | Detector for electromagnetic fields - A battery-powered electrical device is disclosed, which may be implemented as an implantable medical device, wherein the device contains at least one battery voltage monitoring unit which is designed to monitor a voltage profile at a battery during the charging of a capacitor, via a transformer in a charging circuit, and which on the basis of the voltage characteristic is able to specify a magnetic presaturation of the transformer, and one control unit which terminates the charging process whenever a predefined threshold value for the magnetic presaturation of the transformer is exceeded. | 06-23-2011 |
| 20110137414 | Connection housing and manufacture of same - A medical implant includes a hermetically sealed hollow housing having a hermetically sealed feedthrough suitable for conducting electrical signals to and from the hollow housing without impairing the hermetic seal thereof. The hollow housing includes a circuit suitable for measuring signals from the human body, sending signals to the human body, and transmitting signals to a receiver located outside the body. The implant also includes a connection housing having an insulating connection body, an externally accessible cavity for connecting an implantable electrode line, an insulating substrate having at least one electrically conductive strip conductor structure, and contacts that are securely electrically connected to a strip conductor structure present in or on the substrate material. The substrate may be embedded in the connection body in such a way that the contacts are present in the externally accessible cavity. | 06-09-2011 |
| 20110130808 | Swallowing Stimulation System - A swallowing stimulation system has a swallowing stimulator for use in triggering an act of swallowing in a patient. The swallowing system has an operating unit including operating elements for receiving user inputs, whereby the operating elements are allocated to different possible physical properties of a food, such that a user can allocate a particular food by means of the operating elements to at least one of at least two categories. The operating unit is designed to generate a control signal corresponding to a user input for the swallowing stimulator, and the swallowing stimulator is designed so that a stimulus for triggering an act of swallowing is formed in response to the control signal. | 06-02-2011 |
| 20110125043 | Device, Method, and Computer-Readable Storage Medium for Detecting Events in Cardiac Signals - The present disclosure generally relates to a method, a device, and a computer-readable storage medium for detecting heart beats from cardiac signals whose quality, expressed in terms of signal amplitude and signal-to-noise ratio, varies dynamically in time. | 05-26-2011 |
| 20110112793 | Extracorporeal Physiological Measurement Device - An extracorporeal physiological measurement device is disclosed, having fastening means for attaching to the body of a person or animal, measurement means for detection of values of a physiological measured variable on the body, and movement-detecting means and measured-value-influencing means connected thereto at the input for influencing the detected measured values before processing or storage as a function of a position or movement status of the body or the measurement device detected by the detection means such that the measured-value-influencing means have a unit for detection of a shift in position between the measurement device and the body. | 05-12-2011 |
| 20110112598 | Biventricular Cardiac Stimulator - A biventricular cardiac stimulator is disclosed, comprising a right ventricular stimulation unit, a left ventricular stimulation unit, and a pacemaker timer. In order to detect the effect of a particular atrioventricular delay time (AVD) and a particular interventricular delay time (VVD), the cardiac stimulator has a detector for sensing a hemodynamic benefit. To optimize AVD and VVD, the pacemaker timer is connected to a memory for a particular instantaneous value for the atrioventricular delay time (AVD | 05-12-2011 |
| 20110109329 | Physiological Measurement Instrument - A physiological measurement instrument is disclosed, having a detector, implemented as one or more sensors, for measuring values of one or more physiological measured parameters associated with a body of a human or animal subject, and for detecting values of a physical parameter that indicates an operating position of the measurement instrument relative to the body, and an operating-position-determining unit that receives and analyzes output signals from the detector, to determine the operating position of the measurement instrument. | 05-12-2011 |
| 20110087114 | Orientation determination for an implantable medical device - An implantable medical device (IMD) is provided which is capable of sensing and determining its orientation, and of determining whether the IMD has been displaced over time away from its original or optimal position. Electronic components of the IMD, including a processor, digital memory, signal conditioning components, and a power supply, are preferably hermetically sealed within a biocompatible housing. At least three subcutaneous electrodes have fixed relative spacing for sensing electrical cardiac activity for various combinations of two electrodes, forming sensing vectors. Amplitude ratios and sign indicators associated with the sensing vectors are compared with a reference to determine an orientation of the device. In one embodiment, a telemetry unit transmits orientation data as a function of time to a remote device, and the remote device compares different stored orientations to detect displacement over time. | 04-14-2011 |
| 20110082512 | Biventricular cardiac stimulator - A biventricular cardiac stimulator has a right-ventricular sensing unit, having or connected to a terminal for a right-ventricular sensing electrode, a left-ventricular sensing unit, having or connected to a terminal for a left-ventricular sensing electrode, and a pacemaker timer, which is connected to the right-ventricular sensing unit and the left-ventricular sensing unit. The cardiac stimulator has a programmable automatic switch, which is effectively connected to the pacemaker timer to switch the pacemaker timer optionally between a primarily right-ventricular control and a primarily left-ventricular control, as well as an evaluation unit, which is effectively connected to the switch and is designed to detect and evaluate at least one stability parameter that is characteristic of the stability of the electrode position of the left-ventricular sensing electrode, whereby the programmable automatic switch is designed to automatically switch the pacemaker timer control as a function of a value of the detected stability parameter. | 04-07-2011 |
| 20100292596 | System, Method and Computer-Readable Storage Medium For Heart Signal Detection - A system, method and computer-readable storage medium are configured for the detection of electrical signals originating from a human or animal heart. In particular, for monitoring devices, it is desired to obtain electrical signals from a human or animal heart with electrical contacts at the body of an implantable medical device, hence without the need to implant electrical leads to the hearts. Hence, a method, a system and a computer-readable storage medium for detecting electrical signals originating from a human or animal heart is proposed. The method includes the steps of receiving electrical signals in at least two sensing channels, combining the electrical signals for forming a combined channel, extracting a template from the signals of the combined channel, comparing incoming electrical signals with the template, and depending from the result of the comparison, performing at least one of controlling one or more devices and signaling the result. | 11-18-2010 |
| 20100280583 | Electrode Element, Electrode Lead Comprising An Electrode Element, Method For The Production Of An Electrode Lead - An electrically active electrode element for an implantable electrode lead, having an electrode, which includes an electrically active electrode surface facing toward the outside, and an elongated electric feed line, which is capable of establishing an electric connection to an electrically active implant at the proximal end thereof, and which is embodied as an electrically conducting cable end-to-end, wherein the cable forms the electrode at the distal end thereof. A related electrode lead having such an electrode element is provided, and a method for the production of said electrode line utilizing the electrode element is also provided. | 11-04-2010 |
| 20100264651 | Sealing Element and Plug Connection with Reduced Joining Resistance - A plug connection, including a plug connector and a socket for an implantable medical device, and further including a sealing element which is sheared along the axis of the plug connector and which seals the lumen formed by the socket and the proximal end of the plug connector against the environment. | 10-21-2010 |
| 20100262978 | Method and Arrangement for Predicting at Least One System Event, Corresponding Computer Program, and Corresponding Computer-Readable Storage Medium - A method, a system and an arrangement for predicting at least one system event and a corresponding computer program and a corresponding computer-readable storage medium are configured so that it is possible to predict a system event based on trends in observables over a certain period of time prior to the event occurring. One example of a system event is the failure of a system because the abnormal behavior of a component is reflected in irregularities in one or a plurality of observables. Another example of a system event is the early recognition or pre-acute prediction of a specific critical condition of a patient. | 10-14-2010 |
| 20100262027 | Method and Arrangement to Predict at Least One System Event and a Corresponding Computer Program and a Corresponding Machine-Readable Storage Medium - A method, a system and an arrangement to predict at least one system event and a corresponding computer program and a corresponding machine-readable storage medium are configured so that the event is predictable because of trends in observables over a certain period before the occurrence of the events. The method, system and arrangement can be used in particular for patient-specific monitoring of patho-physiological changes but also in geophysical or abstract units such as population or economic systems in which the deviation from a defined normal condition is predicted. | 10-14-2010 |
| 20100241187 | Battery Compartment For An External Pacemaker - A pacemaker comprising a battery compartment displaceable between a removal position and an operating position along a first direction of displacement for receiving a replaceable battery having a first and a second battery pole disposed on a battery face. The battery compartment comprises an electrically isolating partial cover, which is disposed on a second side opposite the first side and designed to cover a base of the battery directed toward the second side in the direction of the removal side of the battery compartment. | 09-23-2010 |
| 20100217354 | Active Medical Implant - An active medical implant, in particular a medical electronic device having a power supply which has a mechanical vibrator or rotor which is induced to vibrate and/or rotate by movements of the patient wearing the implant and/or external excitation and is energetically connected to an electronic consumer and/or an energy storage mechanism, such that a portion of the kinetic energy generated by the vibration and/or rotation is input into the consumer and/or energy storage mechanism. | 08-26-2010 |
| 20100201368 | Method And Arrangement For Determining A Power Supply State Variable In An Active Medical Implant - The invention relates to a method and arrangement for determining a power supply state variable, particularly of the maintenance state of a battery or rechargeable battery, in an active medical implant, wherein the power supply is subjected to a predetermined load, and the output voltage thereof is detected multiple times during at least one time segment of the load phase, and the measurement values are subjected to a comparison to a respective comparison value, or the chronological curve of the voltage obtained from the measurement values is subjected to a comparison to at least one comparison curve, wherein the comparison result is considered characteristic for the state variable. | 08-12-2010 |
