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| Number | Title | Issue Date |
| 6731981 | Heart stimulator for administering antithrombus therapy A heart stimulator has a stimulation energy delivering assembly, including at least one lead adapted for implantation in contact with cardiac tissue, and an atrial arrhythmia detector, and a control unit connected to the stimulation energy delivering assembly and to... | 05/04/2004 |
| 6720497 | Electrode cable for electrical stimulation A medical electrode cable has an exterior, tubular insulating sheath containing a number of side-by-side wires arranged substantially parallel to the sheath and helically proceeding around and,along a longitudinal axis. At least one of the wires is a low-resistivity... | 04/13/2004 |
| 6591143 | Bending sensor for an implantable lead and a heart stimulator with a lead having such a sensor A sensor arrangement, and a heart stimulator employing such a sensor arrangement, identify bending of an electrode lead. A lead which is implantable in a patient is subjected to bending due to movement of the surrounding tissue, and the lead has a deforma... | 07/08/2003 |
| 6584351 | Implantable cardiac stimulator with circuitry for removing noise in sensed electrical signals An implantable medical device, such as a cardiac stimulator, has a noise cancelling circuit which cancels noise signals relating to body movements which originate outside of the heart, and which are sensed between a noise sensing electrode located outside... | 06/24/2003 |
| 6553260 | Medical implant A medical implant such as a heart stimulator has a detector which detects an extracorporeally generated interrogation signal for at least one predetermined working parameter of the medical implant. The interrogation signal is generated by an interrogation... | 04/22/2003 |
| 6529777 | Electrode for tissue stimulation In an implantable electrode for an electrode lead for a stimulation device for stimulating tissue, the electrode is formed as a biocompatible piezoelectric electrode which is adapted to be in direct electrical contact with tissue for electrically and mech... | 03/04/2003 |
| 6452522 | Delta Modulator An adaptive delta modulator has an A/D-converter controlled by a digital control signal, which is also supplied to a drift compensation logic circuit, which generates a drift compensated digital output signal by an appropriate shift operation of the appli... | 09/17/2002 |
| 6447670 | Method and apparatus for compensating for drift in potential of a reference electrode in electrochemical measurements In a method and an apparatus for measuring a concentration of at least one dissolved chemical entity in a liquid medium, employing a counter electrode, a working electrode and a reference electrode immersed in the liquid medium, at least one measurement p... | 09/10/2002 |
| 6421565 | Cardiac monitoring device and a rate responsive pacemaker system An implantable cardiac monitoring device as an A-mode ultrasound probe which is adapted to be positioned in the right ventricle of a heart, and which emits an ultrasound signal which is reflected from one cardiac segment of the left ventricle of the heart... | 07/16/2002 |
| 6327502 | Implantable stimulator housing with electrode connector An implantable heart stimulator has a connector for an electrode lead in the form of a self-contained tubular connector, which can be placed as a unit in one-half shell of a stimulator housing, together with a hybrid circuit and a power source. The other ... | 12/04/2001 |
| 6321101 | Method and device for determination of concentration In a method and a device for electrochemical determination of the concentration of at least one dissolved chemical entity in a liquid medium, a measurement voltage U is impressed on a working electrode, in contact with the liquid medium, relative to a cou... | 11/20/2001 |
| 6314323 | Heart stimulator determining cardiac output, by measuring the systolic pressure, for controlling the stimulation A heart stimulator has a circuit for determining cardiac output and for producing a control signal corresponding to the determined cardiac output, and a controller for controlling cardiac stimulation dependent on the control signal. The circuit for determ... | 11/06/2001 |
| 6264498 | Female connector part for a pacer housing The above objects are achieved in accordance with the principles of the present invention in a female connector part for cooperation with an elongated male connector part, the female connector part being intended for use in a pacemaker housing and having ... | 07/24/2001 |
| 6264606 | Ischemia detector An ischemia detector has a patient workload sensor and a patient breathing sensor which emits a signal representing sensed workload, and a patient breathing sensor which emits a signal representing sensed breathing activity of a patient. These signals are... | 07/24/2001 |
| 6256538 | Implantable heart stimulator An implantable heart stimulator has a control unit which controls the delivery of stimulation pulses to a subject, and an ischemia detector. The control unit is connected to the ischemia detector and reduces the stimulation rate in response to a detection... | 07/03/2001 |
| 6252335 | Beam-type accelerometer An accelerometer has a cantilevered beam supported at one end and having an opposite free end, with an inertial, sensing mass mounted at the free end of the beam. The beam is formed of a piezoelectric layer and a supporting layer. The ratio of the thickne... | 06/26/2001 |
| 6246909 | Implantable cardiac stimulator wherein the pacing rate is controlled dependent on variations in the spontaneous interval An implantable stimulating device for electrical stimulation of a heart has a stimulus generator which generates electrical stimuli and at least one lead for delivering the stimuli from the generator to the heart. A measurement unit detects spontaneous in... | 06/12/2001 |
| 6238419 | Heart stimulating device having fusion and pseudofusion heartbeat detection capability A heart stimulating device has the capability of detecting fusion and/or pseudofusion heartbeats by measuring electrical impedance encountered by a delivered stimulation pulse. The device has a pulse generator connected to a lead system for emitting and d... | 05/29/2001 |
| 6236873 | Electrochemical sensor In a method and apparatus for eliminating the influence of double-layer capacitance in electrochemical measurements of the concentration of oxygen in blood using a working electrode, a reference electrode and a counter-electrode in contact with blood, a f... | 05/22/2001 |
| 6233486 | Ischemia detector and heart stimulator provided with such an ischemia detector An ischemia detector has a sensor unit which determines the systolic pressure of a subject, a unit wherein a relation is established between the systolic pressure and the subject's heart rate, as the heart rate is varied over a range, and an analyzer whic... | 05/15/2001 |
| 6203506 | Operating device for a stylet unit A device for manipulating a stylet unit having a stylet movable within a stylet sleeve, for positioning an electrode cable in a body cavity, has first and second relatively movable parts, with an interface area wherein respective surfaces of the first and... | 03/20/2001 |
| 6192276 | Pacer housing A pacemaker housing has a socket for receiving a plug of an electrode lead, the socket being located in an opaque part of the housing, and the housing having an exterior marking which indicates a proper insertion depth for the plug into the socket. The pl... | 02/20/2001 |
| 6188931 | Electrode lead with temporary increased stiffness during ingrowth An implantable lead for an implantable active device, such as a pacemaker, has at least two electrodes, and a proximal end adapted for electrical and mechanical connection to the active device and a distal end opposite the proximal end. A ventricular elec... | 02/13/2001 |
| 6188928 | Apparatus for tissue stimulation Mathematical functions such as recursive autoregression models which include parameters are used for defining the heart signal and any signals disturbing the heart signal, such as polarization signals. By registering, during a predetermined time interval,... | 02/13/2001 |
| 6188926 | Pacemaker with adaptable backup pacing in the presence of electromagnetic interference A pacemaker has an interference detecting circuit, and an evaluating and storing unit for continuously evaluating and storing the heart rate. The evaluating and storing unit stores the rate evaluated from at least one of the most recent cardiac cycles fre... | 02/13/2001 |
| 6188932 | Implantable electrode lead An implantable electrode lead has a proximal end intended for connection to, e.g., a pacemaker and has a distal end with an electrode head equipped with an external, tine-type anchoring unit. The anchoring unit has a number of projections which are integr... | 02/13/2001 |
| 6134472 | Heart stimulation device In the determination of an optimal rate for the delivery of stimulation pulses to a heart, the stroke volume (SV) of a heart ventricle is measured as a function of heart rate (HR), e.g. by determination of impedance in individual heart cycles whose durati... | 10/17/2000 |
| 6129747 | Connector assembly for producing a multipolar pin connection between an electrode cable and an implantable medical device A connector assembly for an implantable medical device such as a heart stimulator having a hermetically sealed enclosure containing electrical circuits and a power source, is affixed to the enclosure of the stimulator or is incorporated therein for produc... | 10/10/2000 |
| 6129752 | Distal end device for an implantable electrical conductor and an electrical conductor equipped with such an end device A device for preventing an anchoring element disposed at the distal end of an implantable electrode cable from coming into contact, during introduction of the cable into a body cavity, with a cavity wall and thereby damaging the cavity wall, as a protecti... | 10/10/2000 |
| 6102753 | Electrical female connector, especially for an implantable heart stimulator An electrical female connector for affixing a contact pin of an electrode cable in a connector part of a heart stimulator has a sleeve which is elastic and which has a curved shape in a relaxed condition. The sleeve is straightened to a substantially stra... | 08/15/2000 |
| 6097983 | Cardiac event detecting system for a heart stimulator A cardiac event detecting system for an implantable heart stimulator intended to be connected to the heart of a patient through at least two unipolar electrode leads or at least one bipolar electrode lead having one electrode pole in the atrium and one el... | 08/01/2000 |
| 6085118 | Implantable multi-electrode device for electrically stimulating a physiological function with automatic selection of housing terminal-to-electrode connection dependent on a sensed signal An implantable cardiac stimulator has a connector with at least two terminals, each terminal being connectible to an implantable electrode for delivering stimulation pulses to a heart and/or for sensing cardiac activity signals. The stimulator also has a ... | 07/04/2000 |
| 6078835 | Pacemaker wherein emission of stimulation pulses is controlled dependent on stretching of the ventricular wall A pacemaker has control circuits contained in an enclosure and a lead containing an electrical conductor connected to an electrode for delivering electrical stimulation pulses to a heart. The stretching of a wall in the ventricle, corresponding to adequat... | 06/20/2000 |
| 6064910 | Respirator rate/respiration depth detector and device for monitoring respiratory activity employing same A device for determining the respiration rate and/or respiration depth of a patient includes a sensor for sensing heart sounds and an analyzer for analyzing the variation of the amplitude of the sensed heart sounds to determine the respiration rate and/or... | 05/16/2000 |
| 6052622 | Heart stimulator with an evoked response detector A heart stimulator has a pulse generator for producing stimulation pulses of varying amplitudes and varying durations for stimulating the heart of a patient, and an evoked response detector. The evoked response detector includes measuring and memory circu... | 04/18/2000 |
| 6044299 | Implantable medical device having an accelerometer An implantable medical device has a housing containing an accelerometer which detects vibrations of the housing. The accelerometer generates a vibration signal in response to the detected vibrations, which is supplied to a signal processing unit. The sign... | 03/28/2000 |
| 6029088 | Heart stimulator with an evoked response detector An evoked response detector for a heart stimulator determines evoked response in the presence of polarization. The heart stimulator has a pulse generator which produces stimulation pulses of varying amplitudes, and a lead adapted for introduction into the... | 02/22/2000 |
| 6016443 | Implantable ischemia detector and implantable stimulator employing same An ischemia detector includes repolarization sensor which senses repolarization of the heart of a patient and delivers corresponding repolarization signals to a detecting unit and a workload sensor which senses the workload of the patient and delivers cor... | 01/18/2000 |
| 5935158 | Electrode lead and device for tissue stimulation and/or detection of tissue response An implantable electrode for stimulating tissue has a piezoelectric electrode for electrically and mechanically stimulating tissue and for detecting electrical and mechanical evoked response of the stimulated tissue. An implantable lead and an implantable... | 08/10/1999 |
| 5913879 | Venous pooling detection and therapy device An implantable detection and therapy device allow prediction of the vasovagal syncope for use in administering therapy to a subject, the therapy including pacing pulses or drug delivery, or a combination thereof. The detection and therapy device includes ... | 06/22/1999 |
