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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 8050761 | Method for treating myocardial infarction A method for treating patients after a myocardial infarction which includes pacing therapy is disclosed. A cardiac rhythm management device is configured to deliver pre-excitation pacing to one or more sites in proximity to an infarcted region of the ventricular myo... | 11/01/2011 |
| 8046069 | Method and apparatus for control of cardiac therapy using non-invasive hemodynamic sensor A cardiac rhythm management (CRM) system includes a non-invasive hemodynamic sensing device and an implantable medical device to sense a hemodynamic signal and derive one or more cardiac performance parameters from the hemodynamic signal. The non-invasive hemodynami... | 10/25/2011 |
| 8046070 | Pre-excitation pacing for treatment of hypertension Described herein are methods and apparatus for treating hypertension with electrical pre-excitation pacing therapy. Electrical pre-excitation of a hypertrophic region advances the timing of the regional contraction and reduces its contribution to the overall contrac... | 10/25/2011 |
| 8027724 | Hypertension diagnosis and therapy using pressure sensor An example relates to a method for sensing a pulmonary artery pressure (PAP) and providing a sensed PAP signal, detecting an abnormal blood pressure (BP) condition using information from the sensed PAP signal, delivering a pacing energy to a heart, and automatically... | 09/27/2011 |
| 8014865 | Method for monitoring a physiologic parameter of patients with congestive heart failure A method of monitoring physiological parameters for diagnosis and treatment of congestive heart failure in a patient. The method includes implanting at least one sensing device in a cavity of the patient's cardiovascular system, preferably so that the sensing device... | 09/06/2011 |
| 7974695 | Method and apparatus for optimizing stroke volume during DDD resynchronization therapy using adjustable atrio-ventricular delays A pacing system for providing optimal hemodynamic cardiac function for parameters such as ventricular synchrony or contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating a... | 07/05/2011 |
| 7957802 | Method, apparatus, and system to optimize cardiac preload based on measured pulmonary artery pressure Optimizing cardiac preload based on measured pulmonary artery pressure involves varying, for each repetition of an acute burst protocol, a parameter of pacing applied to a patient's heart during the acute burst protocol. Pulmonary artery pressure is measured during ... | 06/07/2011 |
| 7925348 | Extra-cardiac impedance based hemodynamic assessment method and system A medical device is provided that comprises a lead assembly configured to be at least partially located proximate to the heart. The lead assembly includes an extra-cardiac (EC) electrode to be positioned proximate to at least one of a superior vena cava (SVC) and a ... | 04/12/2011 |
| 7904159 | Electrical stimulation treatment of hypotension Methods and devices for treating hypotension, such as in cases of shock, including septic shock and anaphylactic shock, wherein the treatment includes providing an electrical impulse to a selected region of the vagus nerve of a patient suffering from hypotension to ... | 03/08/2011 |
| 7869879 | Electrical stimulation treatment of hypotension Methods and devices for treating hypotension, such as in cases of shock, including septic shock and anaphylactic shock, wherein the treatment includes providing an electrical impulse to a selected region of the vagus nerve of a patient suffering from hypotension to ... | 01/11/2011 |
| 7742815 | Using implanted sensors for feedback control of implanted medical devices A system and method for administering a therapeutic treatment to the heart, includes a pressure sensor positioned in the pulmonary artery, an implantable medical device located remotely from the sensor, and communication means for communicating pressure data from th... | 06/22/2010 |
| 7725188 | Electrical stimulation treatment of hypotension Methods and devices for treating hypotension, such as in cases of shock, including septic shock and anaphylactic shock, wherein the treatment includes providing an electrical impulse to a selected region of the vagus nerve of a patient suffering from hypotension to ... | 05/25/2010 |
| 7590449 | Patient signaling method for treating cardiovascular disease A method of treating cardiovascular disease in a medical patient is provided. The method includes the steps of generating a sensor signal indicative of a fluid pressure within the left atrium of the patient's heart, and delivering an electrical stimulus to a locatio... | 09/15/2009 |
| 7493164 | Application of blood pressure profile parameter to assess circadian state of patients A monitoring and/or stimulation device to receive a signal from a lead sensor positioned in the heart of patient. The monitoring and/or stimulation device processes the blood pressure data received from the sensor to determine an augmentation pressure for each heart... | 02/17/2009 |
| 7460909 | Implantable device for monitoring hemodynamic profiles An exemplary method includes providing a filling pressure parameter, providing a perfusion parameter, determining a hemodynamic profile based at least in part on the filling pressure parameter and the perfusion parameter and adjusting a stimulation parameter of an i... | 12/02/2008 |
| 7450989 | Method and device in connection with pressure measurement Pressure measurement device (2) including a pressure sensor (6) adapted to perform pressure measurements in the left ventricle of a heart (8). The sensor is connected to a measurement unit (10) to receive pressure measurement values obtai... | 11/11/2008 |
| 7437192 | System and method for detecting heart failure and pulmonary edema based on ventricular end-diastolic pressure using an implantable medical device Techniques are provided for detecting left ventricular end diastolic pressure (LV EDP) using a pressure sensor implanted within the heart of a patient and for detecting and evaluating heart failure and pulmonary edema based on LV EDP. Briefly, the peak of the R-wave... | 10/14/2008 |
| 7416529 | Detection of diastolic heart failure An implantable medical apparatus for detecting diastolic heart failure, DHF, has a DHF determining device for determining at least one blood pressure parameter for detecting a DHF state of the heart of a patient. The DHF determining device has a pressure measuring u... | 08/26/2008 |
| 7409241 | Monitoring the sympathico-vagal activity by analysis of endocardiac acceleration in an active implantable medical device An active implantable medical device having a function for monitoring the sympathico-vagal activity by an analysis of endocardiac acceleration. The device collects at least one physiological parameter of the patient, analyzes that collected parameter and delivers at... | 08/05/2008 |
| 7409244 | Method and apparatus for adjusting interventricular delay based on ventricular pressure A method and apparatus for pacing left and right ventricles of the heart involve measuring one or both of a right ventricular (RV) pressure and a left ventricular (LV) pressure, and computing a parameter developed from one or both of the RV and LV pressure measureme... | 08/05/2008 |
| 7392084 | Demand-based cardiac function therapy A method and device for delivering cardiac function therapy on a demand basis. An implantable device for delivering cardiac function therapy is programmed to suspend such therapy at periodic intervals or upon command from an external programmer. Measurements related... | 06/24/2008 |
| 7366569 | Non-invasive method and apparatus for cardiac pacemaker pacing parameter optimization and monitoring of cardiac dysfunction A plethysmogram signal is sensed from a patient and provided to a programmer device for monitoring the condition of the patient and for optimizing pacing parameters of a cardiac device implanted in the patient. The programmer device analyzes the plethysmogram signal... | 04/29/2008 |
| 7364550 | Method and device for motion and noise immunity in hemodynamic measurement A method and device, such as an implantable cardiac device, for motion and noise immunity in hemodynamic measurement is presented. The method includes obtaining a template waveform representing hemodynamic performance of a heart during a first hemodynamic state and ... | 04/29/2008 |
| 7363086 | Capture verification in respiratory diaphragm stimulation Improved methods and devices perform respiratory control of a person due to conditions such as sleep apnea. According to one embodiment, a respiratory control method includes delivering stimulation signals according to one or more stimulation parameters to phrenic n... | 04/22/2008 |
| 7363077 | Adaptive timing interval control method for treating congestive heart failure A method of treating a heart with an implantable cardiac stimulation device involves transiently disturbing the steady state hemodynamic parameters by altering a cardiac cycle timing interval sufficient to reduce end diastolic volume for that cycle. The cardiac cycl... | 04/22/2008 |
| 7361146 | System and method for detecting abnormal respiration via respiratory parameters derived from intracardiac electrogram signals Techniques are provided for tracking patient respiration based upon intracardiac electrogram (IEGM) signals or other electrical cardiac signals. Briefly, respiration patterns are detected based upon cycle-to-cycle changes in morphological features associated with in... | 04/22/2008 |
| 7363085 | Augmenting hypoventilation An exemplary method includes sensing respiratory information related to tidal volume, based at least in part on the respiratory information, determining if the tidal volume is less than a limit and, if the tidal volume is less than the limit, calling for diaphragm a... | 04/22/2008 |
| 7349740 | Myocardial stimulation In general, the invention is directed to methods for electrically stimulating transplanted biological material, such as transplanted cells, to improve the performance of the heart during systole. In particular, the invention is directed to devices and techniques for... | 03/25/2008 |
| 7335161 | Techniques for blood pressure measurement by implantable device An implantable cardiac device is configured and programmed to collect blood pressure waveforms from one or more implantable pressure sensors. Techniques are described for extracting features and reducing noise in the pressure waveforms by averaging waveforms which a... | 02/26/2008 |
| 7333854 | Orthostatic cardiac output response pacer for heart failure patients and diabetic patients An exemplary method includes detecting a change in position, measuring cardiac output after the detecting a change in position and, based at least in part on the measuring cardiac output, deciding whether to increase a cardiac pacing rate. An exemplary method may re... | 02/19/2008 |
| 7320675 | Method and apparatus for modulating cellular metabolism during post-ischemia or heart failure A drug delivery system detects a cardiac condition indicative of a need for increasing a cardiac metabolic level and, in response, releases a drug into tissue or blood to shift a source of metabolically synthesized energy fueling cardiac contraction from fatty acid ... | 01/22/2008 |
| 7321792 | Pacing therapy and acupuncture Exemplary methods, devices and/or systems for detecting one or more needs and for requesting the delivery of power to one or more acupoints. Other methods, devices and/or systems are also disclosed. ... | 01/22/2008 |
| 7288096 | Apparatus for placement of cardiac defibrillator and pacer Surgical procedure and surgical instruments include an electrode structure for insertion through tissue superiorly of a subxiphoid incision to a position posterior of an aspect of the sternum and anterior of the pericardium. The electrode structure may be expanded, ... | 10/30/2007 |
| 7286877 | Device programmer with enclosed imaging capability Methods and electronic tools for imaging a chest region of a patient and communicating with a heart stimulation device used by the patient are disclosed. The electronic tool may include a communications device for two-way data transmission of signals encoded with in... | 10/23/2007 |
| 7286874 | Ensemble averaging for evoked responses Exemplary methods and devices for analyzing intracardiac electrocardiograms (IEGMs) using ensemble averaging and/or an ensemble average. Various methods and/or devices are suitable for use with atrial and/or ventricular autocapture. Other methods, devices and/or sys... | 10/23/2007 |
| 7286875 | Monitoring ventricular contractions using an implantable stimulation device An implantable cardiac stimulation device is configured to measure selected ventricular contraction parameters and possibly apply stimulation therapy based on the ventricular contraction parameters. In accordance with one aspect, the ventricular contraction paramete... | 10/23/2007 |
| 7283873 | Monitoring and synchronizing ventricular contractions using an implantable stimulation device An implantable cardiac stimulation device is configured to measure selected ventricular contraction parameters and apply stimulation therapy based on an analysis of the ventricular contraction parameters. The ventricular contraction parameters may include impedance ... | 10/16/2007 |
| 7283871 | Self adjusting optimal waveforms An exemplary method includes detecting fibrillation, measuring impedance of a defibrillation circuit that includes myocardial tissue, determining one or more defibrillation shock parameters based at least in part on the impedance, delivering a defibrillation shock u... | 10/16/2007 |
| 7277757 | Respiratory nerve stimulation The invention is directed to an implantable medical device that stimulates a nerve associated with respiration. The nerve may, for example be a phrenic nerve, and the stimulation may cause a diaphragm of the patient to contract. The implantable medical device receiv... | 10/02/2007 |
| 7277761 | Vagal stimulation for improving cardiac function in heart failure or CHF patients Exemplary methods for decreasing workload, maintaining or increasing cardiac output and/or achieving a desirable autonomic balance by stimulating one or more parasympathetic nerves. Various exemplary methods include delivering one or more stimulation pulses postinsp... | 10/02/2007 |
