Patent application number | Description | Published |
20080286324 | MEDIA AND DEVICES FOR COLD STORAGE OF THERAPEUTIC CELLS - The invention provides a composition for cold storage of cells which includes a population of isolated stem cells, a cell medium, and isolated trophic factors, as well as devices having a plurality of the trophic factors. | 11-20-2008 |
20090054828 | Systems for transient conduction control - The invention provides a system coupled to a heart having a right atrium (RA) and an atrioventricular (AV) node, which includes an implantable gene regulatory signal delivery device configured to deliver a light to a target site in the heart to transiently control an aberrant cardiac electrical conduction, the light having characteristics suitable for regulating a transcription control element; and an implantable medical device communicatively coupled to the implantable gene regulatory signal delivery device, the implantable medical device including: an atrial fibrillation (AF) detector configured to detect AF; and a control circuit configured to initiate an emission of the light from the implantable gene regulatory signal delivery device in response to the detection of AF. Also provided are methods to transiently control aberrant AV conduction or transiently control cardiac arrhythmias, which employ expression cassettes. | 02-26-2009 |
20090054883 | Systems and devices for photoablation - The invention provides a catheter for optical ablation of tissue in a living body, the catheter including: a distal end; a proximal end; an elongate catheter body coupled between the distal end and the proximal end; a light emission device at the distal end and configured to emit an ablation light having characteristics selected to regulate an optically regulatable transcription control element operably linked to a nucleic acid sequence for a gene product, the expression of which gene product in cells directly or indirectly kills cells; and a projection control mechanism coupled to the light emission device and configured to control an effectively illuminated area where the optically regulatable transcription control element is effectively regulatable by the ablation light projected from the light emission device. Also provided is a system which includes the catheter, and methods to prevent, inhibit or treat AF which employ an expression cassette and/or one or more selected wavelengths of light. | 02-26-2009 |
20090054954 | Optical depolarization of cardiac tissue - The invention provides a cardiac rhythm management system for stimulating a heart having photosensitive tissue, vectors useful to photosensitize cells expressing the vectors, and methods for light induced depolarization of cells. | 02-26-2009 |
20090125076 | SYSTEM FOR NEURAL THERAPY - This document discusses, among other things, a system and method for calculating a neural stimulation energy at an external patient management (EPM) system using received information about a chemical characteristic indicative of a physiological state of a subject. | 05-14-2009 |
20090299269 | VASCULAR STIMULATION TO AID INTRAVASCULAR CELL REPLACEMENT THERAPY - A system and method are described involving the use of a cell delivery catheter that incorporates a stimulating electrode to promote vasodilation prior to injection of cells at a target location within a blood vessel. The vasodilation may be produced locally and/or distally from the target location near the target organ. The technique may be applied not only to intra-coronary injection of cells to treat heart disease but to injection of cells in any blood vessel that feeds a target organ. | 12-03-2009 |
20090299420 | METHOD AND APPARATUS FOR CRYOTHERAPY AND PACING PRECONDITIONING - A method and apparatus are described for delivering myocardial pacing and cryotherapy in conjunction with a coronary revascularization procedure using one catheter/stent system. In one embodiment, a balloon-stent delivery platform incorporates pacing electrode(s) on or near the distal tip for myocardial pacing. | 12-03-2009 |
20090318749 | METHOD AND APPARATUS FOR PACING AND INTERMITTENT ISCHEMIA - A system delivers multiple enhanced therapies to limit myocardial damage post-revascularization. The system includes a catheter that incorporates features for delivering cardiac protection pacing therapy (CPPT) and intermittent ischemia therapy. In one embodiment, a method for delivering cardiac protection therapies to a heart is provided. One or more catheters are provided having a balloon, at least one pacing electrode and at least one hemodynamic sensor. Cardiac protection pacing therapy (CPPT) and intermittent ischemia therapy are concurrently delivered using the one or more catheters. The pacing and ischemia are adapted to protect the heart from ischemic and reperfusion injuries. The delivery of the CPPT and the intermittent ischemia are controlled using a closed-loop system monitoring a signal sensed by the at least one hemodynamic sensor. | 12-24-2009 |
20100076279 | METHOD AND APPARATUS FOR ORGAN SPECIFIC INFLAMMATION MONITORING - An apparatus comprises an implantable sensor and a detection circuit. The implantable sensor provides a physiologic sensor signal and is to be positioned at a lymph node of a subject. The detection circuit detects a change in a physiologic parameter of the lymph node that exceeds a threshold change, and deems that the change in the physiologic parameter indicates a change in inflammation of an organ associated with the lymph node. | 03-25-2010 |
20100305632 | TEMPERATURE ASSISTED STIMULATION - Various embodiments of an implantable system for delivering therapy comprise at least one of a heat sink or source to either reduce or increase temperature of excitable tissue, a pulse generator and at least one stimulation electrode to deliver electrical stimulation to excitable tissue, a memory and a controller. The memory has instructions for performing at least one stimulation routine and at least one thermal routine, and further has integration instructions for integrating the thermal routine(s) with the stimulation routine(s). The controller is configured to operate on the instructions to perform the stimulation routine(s) using the pulse generator and the at least one stimulation electrode, to perform the thermal routine(s) using the heat sink or the heat source, and to operate on the integration instructions to integrate thermal routine(s) with the stimulation routine(s). | 12-02-2010 |
20100305648 | METHOD AND APPARATUS FOR SAFE AND EFFICIENT DELIVERY OF CARDIAC STRESS AUGMENTATION PACING - A cardiac pacing system controls the progression of a cardiac disorder such as heart failure by delivering cardiac stress augmentation pacing to create or augment regional stress in the heart according to a delivery schedule programmed for a patient. Various events associated with the patient's conditions, activities, and other treatments may render the cardiac stress augmentation pacing risky or ineffective. The system detects such events before and during each cardiac stress augmentation pacing session and modifies the delivery schedule in response to the detection of each event to ensure patient safety and therapy efficiency. | 12-02-2010 |
20110295084 | INTEGRATING DEVICE-BASED SENSORS AND BEDSIDE BIOMARKER ASSAYS TO DETECT WORSENING HEART FAILURE - Physiological sensor data can be combined with external biomarker assays, such as a bedside assay for B-type natriuretic peptide (BNP), to improve the sensitivity and specificity of heart failure detection. | 12-01-2011 |
20130150911 | METHODS AND SYSTEMS FOR IDENTIFYING AND USING HEART RATE VARIABILITY AND HEART RATE VARIATION - A heart rate variability or heart rate variation can be identified using sensed and/or paced heart beats. One or more patient metrics, such as a variability index or a variation index, can correspond to the identified heart rate variability or heart rate variation. The patient metrics can be used to identify a need for a particular therapy, such as a rate-responsive pacing therapy. The patient metrics can be used to identify patients at an elevated risk of death. Methods and systems to identify therapy indications or at-risk patients are provided. In an example, a patient risk profile can be adjusted, such as in response to an identified patient heart rate variability or heart rate variation. In an example, a rate-responsive pacing mode can be used to adjust the patient risk profile. | 06-13-2013 |
20130150912 | METHODS AND SYSTEMS FOR IDENTIFYING AND USING HEART RATE VARIABILITY AND HEART RATE VARIATION - A heart rate variability or heart rate variation can be identified using sensed and/or paced heart beats. One or more patient metrics, such as a variability index or a variation index, can correspond to the identified heart rate variability or heart rate variation. The patient metrics can be used to identify a need for a particular therapy, such as a rate-responsive pacing therapy. The patient metrics can be used to identify patients at an elevated risk of death. Methods and systems to identify therapy indications or at-risk patients are provided. In an example, a patient risk profile can be adjusted, such as in response to an identified patient heart rate variability or heart rate variation. In an example, a rate-responsive pacing mode can be used to adjust the patient risk profile. | 06-13-2013 |
20140031641 | INTEGRATING DEVICE-BASED SENSORS AND BEDSIDE BIOMARKER ASSAYS TO DETECT WORSENING HEART FAILURE - Devices and methods for improving the sensitivity and specificity of heart failure (HF) detection are described. The devices and methods can detect a HF status such as using physiological sensor data and external biomarker assays. An apparatus can comprise ambulatory physiological sensors that can provide a first HF status indicator and a second HF status indicator to a user. An external biomarker sensor can provide an amount of a biomarker present, such as an assay for B-type natriuretic peptide (BNP), which provides information about HF status. A processor circuit can switch from a first HF detection mode to a second detection mode such as in response to the information from the biomarker sensor. The first detection mode can detect HF status using the first HF status indicator, and the second detection mode can detect HF status using the second HF status indicator. The second detection mode can have a higher specificity than the first detection mode. | 01-30-2014 |