Assignee: Cameron Health, Inc.

Location: San Clemente, CA
No. of patents: 97

Number	Title	Issue Date
8185198	Method and devices for performing cardiac waveform appraisal Implementations of various technologies described herein are directed toward a sensing architecture for use in cardiac rhythm management devices. The sensing architecture may provide a method and means for certifying detected events by the cardiac rhythm management ...	05/22/2012
8160699	Cardioverter-defibrillator having a focused shocking area and orientation thereof One embodiment of the present invention provides an implantable cardioverter defibrillator for subcutaneous positioning between the third rib and the twelfth rib within a patient, the implantable cardioverter-defibrillator including a housing; an electrical circuit ...	04/17/2012
8160697	Method for adapting charge initiation for an implantable cardioverter-defibrillator Adaptive methods for initiating charging of the high power capacitors of an implantable medical device for therapy delivery after the patient experiences a non-sustained arrhythmia. The adaptive methods adjust persistence criteria used to analyze an arrhythmia prior...	04/17/2012
8160687	Methods and devices for accurately classifying cardiac activity Methods, systems, and devices for signal analysis in an implanted cardiac monitoring and treatment device such as an implantable cardioverter defibrillator. In some examples, captured data including detected events is analyzed to identify likely overdetection of car...	04/17/2012
8160686	Methods and devices for accurately classifying cardiac activity Methods, systems, and devices for signal analysis in an implanted cardiac monitoring and treatment device such as an implantable cardioverter defibrillator. In illustrative examples, captured data including detected events is analyzed to identify likely overdetectio...	04/17/2012
8157813	Apparatus and method for subcutaneous electrode insertion Devices and methods for electrode implantation. A first embodiment includes an electrode insertion tool adapted to tunnel through tissue and attach, at its distal end, to a lead, such that the lead may be pulled into the tunneled space as the electrode insertion too...	04/17/2012
8145305	Subcutaneous defibrillator implantation without fluoroscopy A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted in a frontal region of the patient so as to overlap a portion of the...	03/27/2012
8135459	Unitary subcutaneous only implantable cardioverter-defibrillator and optional pacer A unitary subcutaneous implantable cardioverter-defibrillator which has a long thin housing in the shape of a patient's rib. The housing contains a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal hear...	03/13/2012
8116867	Methods and devices for tachyarrhythmia sensing and high-pass filter bypass The present invention, in illustrative embodiments, includes methods and devices for analyzing cardiac signals in an implantable cardiac stimulus system. Within the analysis, a threshold may be defined related to a cardiac event rate. If the cardiac event rate does ...	02/14/2012
8090438	Method of implanting a subcutaneous defibrillator A subcutaneous implantable cardioverter-defibrillator is disclosed which has an electrically active canister which houses a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal heart rhythms. At least one ...	01/03/2012
8079959	Patient screening tools for implantable cardiac stimulus systems Tools and devices are provided for determining whether a patient is well suited to receiving an implantable cardiac stimulation device by analyzing cardiac signals captured using external or cutaneous electrodes. Some of the illustrative tools include shapes for vis...	12/20/2011
8073532	Method and apparatus for beat alignment and comparison Methods of using a template having a template data set and template parameters to provide improved alignment of captured cardiac signal data to a stored template. More particularly, in an illustrative method, a captured cardiac signal is first configured using templ...	12/06/2011
8050754	Method for discriminating between ventricular and supraventricular arrhythmias The present invention is directed toward a detection architecture for use in implantable cardiac rhythm devices. The detection architecture of the present invention provides methods and devices for discriminating between arrhythmias. Moreover, by exploiting the enha...	11/01/2011
8027720	Apparatus and method of arrhythmia detection in a subcutaneous implantable cardioverter/defibrillator In a subcutaneous implantable cardioverter/defibrillator, cardiac arrhythmias are detected to determine necessary therapeutic action. Cardiac signal information is sensed from far field electrodes implanted in a patient. The sensed cardiac signal information is then...	09/27/2011
8014862	Anterior active housing subcutaneous positioning methods A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted in a frontal region of the patient so as to overlap a portion of the...	09/06/2011
8014851	Signal analysis in implantable cardiac treatment devices Methods and devices for cardiac signal analysis in implantable cardiac therapy systems. Several signal processing and/or conditioning methods are shown including R-wave detection embodiments including the use of thresholds related to previous peak amplitudes. Also, ...	09/06/2011
7996082	Method and devices for performing cardiac waveform appraisal Implementations of various technologies described herein are directed toward a sensing architecture for use in cardiac rhythm management devices. The sensing architecture may provide a method and means for certifying detected events by the cardiac rhythm management ...	08/09/2011
7991459	Method for defining signal templates in implantable cardiac devices Template formation methods for use in implantable cardiac rhythm management devices. In an illustrative method, a signal is captured in an implanted cardiac rhythm management device, and parameters for analysis of the captured signal are then defined. Then, in the e...	08/02/2011
7962212	Multiple battery configurations in an implantable medical device Implantable medical device power circuits are disclosed. Multiple batteries may be provided, along with a number of switches, enabling a plurality of battery and power circuit configurations to be defined. Configurations of the power circuit may be changed in respon...	06/14/2011
7953489	Multiple electrode vectors for implantable cardiac treatment devices The implantable cardiac treatment system of the present invention is capable of choosing the most appropriate electrode vector to sense within a particular patient. In certain embodiments, the implantable cardiac treatment system determines the most appropriate elec...	05/31/2011
7877139	Method and device for implantable cardiac stimulus device lead impedance measurement Methods and devices for testing lead impedance in an implantable cardiac stimulus device. A resistor is placed in series with the lead impedance, and a predetermined or known voltage is applied to the resistor and lead impedance. The voltage across the resistor is m...	01/25/2011
7835790	Anterior active housing subcutaneous positioning methods A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted in a frontal region of the patient so as to overlap a portion of the...	11/16/2010
7813797	Cardioverter-defibrillator having a focused shocking area and orientation thereof One embodiment of the present invention provides an implantable cardioverter defibrillator for subcutaneous positioning between the third rib and the twelfth rib within a patient, the implantable cardioverter-defibrillator including a housing; an electrical circuit ...	10/12/2010
7783340	Systems and methods for sensing vector selection in an implantable medical device using a polynomial approach Methods and devices configured for analyzing sensing vectors in an implantable cardiac stimulus system. In an illustrative example, a first sensing vector is analyzed to determine whether it is suitable, within given threshold conditions, for use in cardiac event de...	08/24/2010
7774058	Anterior positioning on opposing sides of sternum A subcutaneous cardiac device includes a subcutaneous electrode and a housing coupled to the subcutaneous electrode by a lead with a lead wire. The subcutaneous electrode is adapted to be implanted in a frontal region of the patient so as to overlap a portion of the...	08/10/2010
7769457	Electromagnetic interference shielding in an implantable medical device EMI shields for use in implantable medical devices that include inner and outer metal layers separated by a dielectric layer. When assembled as medical devices, the outer metal layer of an illustrative EMI shield is placed into electrical contact with a conductive i...	08/03/2010
7769445	Implantable cardioverter-defibrillator with post-shock reset In a cardioverter/defibrillator system, an electrical circuit includes an energy storage device, an output circuit for controlling delivery of pulse therapy from the energy storage device to a patient, and a sensing circuit coupled across the patient to sense the pa...	08/03/2010
7751885	Bradycardia pacing in a subcutaneous device Methods of medically treating a patient by the use of anti-bradycardia pacing using a totally subcutaneous, non-transvenous system. Some examples include the application of pacing pulses to a patient at a pacing rate that is above a predetermined level. One example ...	07/06/2010
7720536	Power supply for an implantable subcutaneous cardioverter-defibrillator A power supply for an implantable cardioverter-defibrillator for subcutaneous positioning between the third rib and the twelfth rib and for providing cardioversion/defibrillation energy to the heart, the power supply comprising a capacitor subsystem for storing the ...	05/18/2010
7720534	Transthoracic impedance measurement in a subcutaneous device A subcutaneous implantable cardioverter-defibrillator is disclosed which has an electrically active canister which houses a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal heart rhythms. At least one ...	05/18/2010
7657322	Subcutaneous electrode with improved contact shape for transthoracic conduction One embodiment of the present invention provides a lead electrode assembly for use with an implantable cardioverter-defibrillator subcutaneously implanted outside the ribcage between the third and twelfth ribs comprising the electrode. ...	02/02/2010
7657311	Subcutaneous only implantable cardioverter-defibrillator and optional pacer A subcutaneous implantable cardioverter-defibrillator is disclosed which has an electrically active canister which houses a source of electrical energy, a capacitor, and operational circuitry that senses the presence of potentially fatal heart rhythms. At least one ...	02/02/2010
7655014	Apparatus and method for subcutaneous electrode insertion Devices and methods for electrode implantation. A first embodiment includes an electrode insertion tool adapted to tunnel through tissue and attach, at its distal end, to a lead, such that the lead may be pulled into the tunneled space as the electrode insertion too...	02/02/2010
7627375	Implantable cardiac stimulus methods A power supply for an implantable cardioverter-defibrillator for subcutaneous positioning between the third rib and the twelfth rib and using a lead system that does not directly contact a patient's heart or reside in the intrathoracic blood vessels and for providin...	12/01/2009
7627367	Multiple electrode vectors for implantable cardiac treatment devices The implantable cardiac treatment system of the present invention is capable of choosing the most appropriate electrode vector to sense within a particular patient. In certain embodiments, the implantable cardiac treatment system determines the most appropriate elec...	12/01/2009
7623920	Low power A/D converter A comparator is arranged to compare a series of analog voltage signal samples on a first capacitor with a voltage on a second capacitor which is linearly increased or decreased to equal the sample value. The comparator's single output freezes the count of the counte...	11/24/2009
7623916	Implantable cardiac stimulus devices and methods with input recharge circuitry An illustrative embodiment includes an implantable cardiac stimulus device comprising input circuitry configured to reduce the time required to return to small signal operation after a disturbance of small signal operation. In another illustrative embodiment, the pr...	11/24/2009
7623913	Implantable medical devices using heuristic filtering in cardiac event detection Methods for performing cardiac signal analysis in an implanted medical device, and devices configured to perform illustrative methods of cardiac signal analysis. A cardiac signal is captured by an implanted device using implanted electrodes and, during at least cert...	11/24/2009
7623909	Implantable medical devices and programmers adapted for sensing vector selection Methods and devices for sensing vector analysis in an implantable cardiac stimulus system. In an illustrative example, a first sensing vector is analyzed to determine whether it is suitable, within given threshold conditions, for use in cardiac event detection and a...	11/24/2009
7555338	Methods and implantable devices for inducing fibrillation by alternating constant current The present invention is directed toward methods for inducing fibrillation in a patient using a controlled current AC signal applied via an implanted ICD. In some embodiments, the AC signal is applied as a series of alternating constant current pulses. Some embodime...	06/30/2009

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Assignee: Cameron Health, Inc.