| Patent application number | Description | Published |
|---|
| 20090118808 | Implantable Medical Lead - An implantable medical lead includes a device, such as a physiological sensor, that is coupled to one or more stimulation/sensing sensing conductors within the lead. When the implantable medical lead is coupled to an implantable medical device, the device carried by the lead both receives power from, and communicates with the implantable medical device via the one or more stimulation/sensing sensing conductors. Each of the one or more stimulation/sensing sensing conductors is also coupled to an electrode that is exposed to body tissue. | 05-07-2009 |
| 20090156918 | IMPLANTABLE OPTICAL SENSOR AND METHOD FOR USE - An implantable medical device includes a hermetically sealed housing and a first light emitting diode (LED) enclosed within the housing configured to detect light corresponding to a selected light wavelength. A conductive element extends from the LED for carrying a current signal corresponding to the light detected by the LED, the intensity of the detected light being correlated to a change in a physiological condition in a body fluid volume or a tissue volume proximate the LED. | 06-18-2009 |
| 20090270953 | Optical Device - A reflectance-type optical sensor includes one or more photodiodes formed in a semiconductor substrate. A well having sidewalls and a bottom is formed in the top surface of the substrate, and a reflective layer is formed on the sidewalls and bottom. A light-emitting diode (LED) is mounted in the well, so that light emitted laterally and rearwardly from the LED strikes the sidewalls or bottom and is redirected in a direction generally perpendicular to the top surface of the substrate. The optical sensor can be fabricated using microelectromechanical systems (MEMS) fabrication techniques. | 10-29-2009 |
| 20100105997 | CLOSED LOOP PARAMETER ADJUSTMENT FOR SENSOR MODULES OF AN IMPLANTABLE MEDICAL DEVICE - In general, the invention is directed toward an implantable medical device that includes a controller and a plurality of sensor modules. The controller may control the sensor modules to perform one or more sensor actions in order to facilitate a measurement. The sensor modules may store one or more operational parameters that control various aspects of the sensor actions performed by the sensor modules. The controller may automatically adjust one or more of the operational parameters based on results received from previous measurements in order to provide closed loop parameter adjustment of the operational parameters associated with the sensor modules. The controller may communicate with the sensor modules via a common bus. Example measurements include tissue perfusion measurements, blood oxygen sensing measurements, sonomicrometry measurements, and pressure measurements. | 04-29-2010 |
| 20100106220 | TIMING COORDINATION OF IMPLANTABLE MEDICAL SENSOR MODULES - In general, the disclosure is directed toward an implantable medical device that includes a plurality of sensor modules that are implanted within a patient. The sensor modules may cooperate with each other to coordinate the timing for performance of one or more sensor actions across the modules when making a measurement. Example measurements include tissue perfusion measurements, oxygen sensing measurements, sonomicrometry measurements, and pressure measurements. The coordination of the sensor modules may be controlled by a signal that is transmitted from a host controller to the sensor modules via a bus. In some examples, the bus may have two wires that transmit both timing information and data information to the sensor modules. The signal may be a signal that is substantially periodic, such as a pulsed signal. In additional examples, the signal may supply operating power and timing information to the sensor modules. | 04-29-2010 |
| 20100114195 | IMPLANTABLE MEDICAL DEVICE INCLUDING EXTRAVASCULAR CARDIAC STIMULATION AND NEUROSTIMULATION CAPABILITIES - An implantable medical device may deliver pacing, cardioversion, and/or defibrillation stimulation to a heart of a patient via extravascular electrodes and delivers electrical stimulation to a nonmyocardial tissue site to modulate the autonomic nervous system of the patient. The implantable medical device may include a cardiac therapy module that generates and delivers at least one of pacing, cardioversion, or defibrillation therapy to a patient via an extravascular electrode, and a neurostimulation therapy module that generates and delivers a neurostimulation signal to the patient via a neurostimulation electrode. The cardiac therapy module and neurostimulation therapy module may be disposed in a common housing of the medical device. In some examples, at least one common lead may electrically couple the neurostimulation electrode and the extravascular electrode to the neurostimulation and cardiac therapy modules, respectively. | 05-06-2010 |
| 20100114196 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114197 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114198 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114199 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114200 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114201 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114202 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114203 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114208 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114216 | INTERFERENCE MITIGATION FOR IMPLANTABLE DEVICE RECHARGING - A therapy or monitoring system may implement one or more techniques to mitigate interference between operation of a charging device that charges a first implantable medical device (IMD) implanted in a patient and a second IMD implanted in the patient. In some examples, the techniques may include modifying an operating parameter of the charging device in response to receiving an indication that a second IMD is implanted in the patient. The techniques also may include modifying an operating parameter of the second IMD in response to detecting the presence or operation of the charging device. | 05-06-2010 |
| 20100114224 | IMPLANTABLE MEDICAL DEVICE CROSSTALK EVALUATION AND MITIGATION - Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient. | 05-06-2010 |
| 20100114241 | INTERFERENCE MITIGATION FOR IMPLANTABLE DEVICE RECHARGING - A therapy or monitoring system may implement one or more techniques to mitigate interference between operation of a charging device that charges a first implantable medical device (IMD) implanted in a patient and a second IMD implanted in the patient. In some examples, the techniques may include modifying an operating parameter of the charging device in response to receiving an indication that a second IMD is implanted in the patient. The techniques also may include modifying an operating parameter of the second IMD in response to detecting the presence or operation of the charging device. | 05-06-2010 |
| 20100114248 | ISOLATION OF SENSING AND STIMULATION CIRCUITRY - The disclosure describes techniques of reducing or eliminating a commonality between two modules within the same implantable medical device. Each module within the implantable medical device provides therapy to a patient. The commonality between the two modules exists due to at least one common component shared by the two modules. The commonality between the two modules may create common-mode interference and a shunt current. In accordance with this disclosure, various isolation circuits located at various locations are disclosed to reduce or eliminate the commonality between the two modules. The reduction or elimination of the commonality between the two modules may reduce or eliminate common-mode interference and the shunt current. | 05-06-2010 |
| 20100114258 | ISOLATION OF SENSING AND STIMULATION CIRCUITRY - The disclosure describes techniques of reducing or eliminating a commonality between two modules within the same implantable medical device. Each module within the implantable medical device provides therapy to a patient. The commonality between the two modules exists due to at least one common component shared by the two modules. The commonality between the two modules may create common-mode interference and a shunt current. In accordance with this disclosure, various isolation circuits located at various locations are disclosed to reduce or eliminate the commonality between the two modules. The reduction or elimination of the commonality between the two modules may reduce or eliminate common-mode interference and the shunt current. | 05-06-2010 |
| 20100185262 | CO-LOCATION OF EMITTERS AND DETECTORS AND METHOD OF OPERATION - An implantable medical device having an optical sensor selects the function of modular opto-electronic assemblies included in the optical sensor. Each assembly is provided with at least one light emitting device and at least one light detecting device. A device controller coupled to the optical sensor controls the function of each the assemblies. The controller executes a sensor performance test and selects at least one of the plurality of assemblies to operate as a light emitting assembly in response to a result of the performance test. The controller selects at least one other of the plurality of optical sensor assemblies to operate as a light detecting assembly in response to a result of the performance test | 07-22-2010 |
| 20100219351 | RADIATION-BASED TIMER FOR IMPLANTABLE MEDICAL DEVICES - A radiation-based timer for use in an implantable medical device (IMD) includes a radiation source and a radiation detection circuit. The radiation source emits radiation particles during a process referred to as radioactive decay. The radiation detection circuit detects the radiation particles emitted during the decay process and tracks the number of radiation particles detected. When the number of radiation particles detected reaches a threshold value, a timer signal is generated. In this manner, the radiation-based timer generates a timer signal as a function of the radioactive decay of the radiation source. The timer signal may be used by one or more components of the IMD for any of a number of functions, including as a wakeup trigger for a communications and/or a sensor event. | 09-02-2010 |
