Matches 1 - 41 out of 41
Match Document Document Title
7426413 Implantable medical device with temperature measuring and storing capability  
An implantable medical device such as a cardiac pacemaker or implantable cardioverter/defibrillator with the capability of storing body temperature measurements taken periodically and/or when...
7206637 Cardiac pacing using sensed coronary vein blood temperature and left ventricular flow rate  
Methods of cardiac pacing involve sensing left ventricular electrical rhythms, sensing left ventricular blood flow rate, and sensing a coronary vein blood temperature. The methods further involve...
7136705 Method and apparatus for monitoring sensor performance during rate-responsive cardiac stimulation  
A cardiac stimulation device and method monitor and store discrepancies in sensor indicated rates determined from two or more sensors generating signals related to metabolic demand. One feature...
7127291 Coronary sinus lead with thermal sensor and method therefor  
A lead system is provided including a coronary sinus lead extending from a proximal end to a distal end, where the lead includes at least one thermal sensor, or optionally, a thermistor. The...
7058450 Organizing data according to cardiac rhythm type  
A plurality of sensors are disposed in and around the heart of a patient to collect data such as various electrical parameters, pressure parameters and temperature parameters. The data collected...
7037273 Core body temperature monitoring in heart failure patients  
An implanted heart monitor includes sensors that measure various aspects of the heart failure patient's heart. A remote heart monitoring system connects the implanted heart monitor to a care...
6892095 Method and apparatus for monitoring left ventricular work or power  
A body implantable system employs a lead system having at least one electrode and at least one thermal sensor at a distal end. The lead system is implanted within a patient's heart in a coronary...
6681135 System and method for employing temperature measurements to control the operation of an implantable medical device  
A medical implantable device that includes a temperature sensor circuit and a control circuit coupled to the temperature sensor circuit to control non-therapy operation of the medical implantable...
5814087 Rate responsive pacemaker adapted to adjust lower rate limit according to monitored patient blood temperature  
A rate responsive pacemaker is provided having the capability of automatically adjusting the lower rate limit (LRL) for sleep, or nighttime. The pacemaker has a temperature sensor for determining...
5486200 Automatic postmortem deactivation of implantable device  
A method and apparatus for minimizing the potential for injury due to operation of a body-implantable device during explant manipulation thereof. In one embodiment of the invention, a...
5476484 Apparatus for sensing a physical condition in a living subject  
An apparatus for determining a physical condition in a living subject by determining peripheral resistance to flow is wherein peripheral resistance to flow is determined by measuring changes in the...
5336244 Temperature sensor based capture detection for a pacer  
A pacemaker system which includes a fast responding temperature sensor located near the distal end of a transvenous pacing lead generates a cycle-by-cycle variation of temperature indicative of the...
5306293 Device for the prevention of cardiac failures  
The implantable device, of the Holter intervention type, permits the detection and the polygraphic analysis (ECG, TA, haemodynamics, resonant frequencies), of the cardiovascular parameters,...
5101824 Rate-responsive pacemaker with circuitry for processing multiple sensor inputs  
An implantable rate-responsive pacemaker is disclosed wherein two or more sensors indicative of physiological demand are utilized in a fashion designed to realize the advantages of both sensors in...
5088491 Heart pacemaker  
A cardiac pacemaker for implanting in a patient includes a device for applying stimulating pulses to the heart of the patient at a rate determined by a pacing parameter; a device for detecting a...
5085215 Metabolic demand driven rate-responsive pacemaker  
A rate-responsive dual-chamber pacemaker and pacing method for supporting the heart with electrical stimulation at a pacing rate driven by the heart's sinus node or, alternatively, by a sensor...
5081988 Exercise responive cardiac pacemaker  
An exercise-responsive cardiac pacemaker is provided which physiologically controls the stimulation rate of a heart by sensing the venous blood temperature in the right ventricle of the heart. A...
5074304 Implantable heart pacemaker and method for stimulating the heart with the repetition rate of the stimulations of heart muscle contractions limited to a maximum value  
An implantable heart pacemaker includes a detector for natural heart muscle contractions in the region of the atrium and circuitry for stimulating heart muscle contractions in the region of the...
5063927 Rate-responsive pacemaker  
A pacemaker has means for producing first and second signals one of which changes rapidly in response to changes in exercise level but may inaccurately represent the appropriate pacing rate. Such...
5044366 Rate responsive cardiac pacemaker  
A rate responsive cardiac pacemaker for implantation in a patient utilizes a pair of sensors. One is an activity sensor responsive to movements of the patient for generating an electrical signal...
5042480 Method and implantable medical device for stimulating tissue contractions  
A medical device implantable into the body of a patient with which spontaneous tissue contractions can be detected and tissue contractions can be stimulated, generates a stimulation after the...
5031614 Pacemaker rate control using amplitude and frequency of activity signal  
A variable rate pacemaker responsive to patient exercise senses physical activity of the patient by motion detection and generates a corresponding electrical signal. The pacemaker circuitry detects...
5029582 Medical apparatus for stimulating a physiological event in a patient with a stimulation intensity automatically adapted to the physical activity of the patient and a method for adapting the stimulation intensity to the physical activity of the patient  
A medical apparatus for stimulating a physiological event in a patient, with the stimulation intensity being automatically adapted to the physical activity of the patient, includes respective...
5005574 Temperature-based, rate-modulated cardiac therapy apparatus and method  
A temperature-based, rate-modulated cardiac pacemaker having means for variably controlling the stimulation rate of the heart according to multiple temperature characteristics of the blood...
5000179 Cardiac stimulator and process for regulating this stimulator  
A cardiac stimulator is provided which is controlled by the arterial temperature of a patient. The cardiac stimulator includes a stimulation element connected to an electrical cell, and a connector...
4995390 Exercise responsive cardiac pacemaker  
An exercise-responsive cardiac pacemaker is provided which physiologically controls the stimulation rate of a heart by sensing the venous blood temperature in the right ventricle of the heart. A...
4945909 Pacemaker with activity-dependent rate limiting  
A pacemaker is disclosed with a pacing rate that is restricted within a range defined by variable upper and lower rate limits that change as a function of the patient's detected level of activity....
4905697 Temperature-controlled cardiac pacemaker responsive to body motion  
Method and appartaus are disclosed for stimulating the heart with a pacemaker in response to a nonambient temperature of a body, which is sensed, for example, in the right ventricle of the heart....
4886064 Body activity controlled heart pacer  
Body activity sensors, such as termperature, motion, respiration and/or blood oxygen sensors, are positioned in a patient's body outside the pacer capsule. These sensors wirelessly transmit body...
4870967 Measuring arrangement for controlling an implantable body-assist device  
An implantable arrangement for operating a body-assist device, the body-assist device including circuitry for generating electrical signals and also being implanted in a patient, includes circuitry...
4860751 Activity sensor for pacemaker control  
A cardiac pacer is provided which incorporates a sensor responsive to the physical activity of the pacer-wearing patient. The output of the physical activity sensor is utilized by control circuitry...
4803987 Temperature responsive controller for cardiac pacer  
A controller for variably controlling the pacing rate of a cardiac pacer responsive to temperature which includes a logic and control unit, a parameter communication unit, an analog to digital...
4782836 Rate adaptive cardiac pacemaker responsive to patient activity and temperature  
A stimulus generator for a stimulation rate-adaptive cardiac pacemaker has a detector for sensing a first physiological parameter in the pacemaker patient, selected on the basis that heart rate is...
4763655 Frequency-controlled heart pacemaker  
The stimulation frequency of a heart pacemaker is controlled dependent on a signal representative of the blood oxygen content of the patient. The blood oxygen dependent signal is generated by a...
4726383 Exercise-responsive cardiac pacemaker lead  
An exercise-responsive cardiac pacemaker is provided which physiologically controls the stimulation rate of a heart by sensing the venous blood temperature in the right ventricle of the heart. A...
4722342 Cardiac pacer for pacing a human heart and pacing method  
A cardiac pacer, which generates pacing pulses at a predetermined basic pacing rate, includes a multiplicity of body activity sensors for sensing body activity dependent on different physiological...
4719920 Exercise-responsive rate-adaptive cardiac pacemaker  
A temperature driven rate responsive cardiac pacemaker adapted to distinguish between physiologically determined changes of the patient's blood temperature under conditions of exercise and...
4688573 Temperature driven rate responsive cardiac pacemaker  
An exercise responsive cardiac pacemaker (1) has a stimulation electrode (3) for introduction into the atrium or ventricle of the heart, a temperature sensor (4) situated in proximity to the...
4399820 Process and device for regulating the stimulation frequency of heart pacemakers  
A process and a device for regulating the stimulation frequency of heart pacemakers are disclosed. The process comprises generating with the aid of light emitted by a light-emitting element,...
3867950 FIXED RATE RECHARGEABLE CARDIAC PACEMAKER  
An improved fixed-rate cardiac pacer or stimulator adapted for human implantation which utilizes, as its power source, a single, rechargeable cell battery which is recharged through the patient's...
3800087 DEFORMABLE ELECTRONIC COMPONENTS AND CIRCUITS  
Electric component of small overall size and low weight, the characteristic value of which is variable in that it is carried by a deformable substratum; the component is in conductivity relation...
Matches 1 - 41 out of 41