Assignee: Medtronic Physio-Control Manufacturing Corp.

Location: Redmond, WA
No. of patents: 29

Number	Title	Issue Date
7272441	External defibrillator and methods for operating the external defibrillator Methods and apparatus are provided for minimizing the inherent time delays within external defibrillators and allowing operators to administer CPR therapy as close in time as possible to the delivery of a defibrillation shock to a patient. The methods and apparatuse...	09/18/2007
7096062	Method for self-test of defibrillation and pacing circuits including a patient isolation switch A method and apparatus for performing self-tests on defibrillation and pacing circuits including a patient isolation switch is disclosed. Tests are provided for the defibrillation and pacing circuitry as well as the isolation switch. For testing the defibrillation c...	08/22/2006
6968230	H-bridge circuit for generating a high-energy biphasic and external pacing waveform in an external defibrillator A circuit for generating both a biphasic defibrillation waveform and an external pacing waveform in an external defibrillator is provided. The output circuit of the device utilizes one or more SCR switches for applying energy to a patient. In one embodiment, the out...	11/22/2005
6965796	Method and apparatus for self-test of defibrillation and pacing circuits including a patient isolation switch A method and apparatus for performing self-tests on defibrillation and pacing circuits including a patient isolation switch is disclosed. Following a test of the defibrillation and pacing circuitry, the isolation switch is tested by closing certain switches within t...	11/15/2005
6965799	Therapy and monitoring electrodes with patient accommodating features Medical electrode arrangements are provided for electrotherapy and monitoring applications. In one embodiment, each electrode arrangement includes a smaller electrode that is releasably attached to the back of a larger electrode. For adult applications, the larger e...	11/15/2005
6937150	Method and system for locating a portable medical device The invention provides a wireless automatic location identification (ALI) capable system (10), including a medical device (12) having a wireless data communicator (14), a wireless communication network (16), and a remote locating service ...	08/30/2005
6928322	Defibrillator power management systems and corresponding defibrillator storage methods A system is provided for delivering a defibrillation pulse to a patient and a corresponding method of storing such a system is provided in accordance with the present invention. The system includes a defibrillator (e.g., an AED) that is configured to deliver the def...	08/09/2005
6920354	Defibrillator with a multiple-mode interface The present invention is directed to a defibrillator having both a manual and an AED mode with corresponding user commands for both modes. The defibrillator includes a door which conceals manual mode commands, such that opening of the door puts the defibrillator in ...	07/19/2005
6912425	Therapy and monitoring electrodes with patient accommodating features and electrode sensing Medical electrode arrangements are provided for electrotherapy and monitoring applications. In one embodiment, each electrode arrangement includes a smaller electrode that is releasably attached to the back of a larger electrode. For adult applications, the larger e...	06/28/2005
6885562	Circuit package and method for making the same A circuit package with improved heat dissipation properties for high-power circuits. In one embodiment, the circuit package comprises two circuit boards positioned in different planes, at least one brace affixed between the two circuit boards, a molded housing enclo...	04/26/2005
6873133	Defibrillator with a reconfigurable battery module Methods and apparatus are provided for portable medical devices such as defibrillators having different charging and operating voltages. The apparatus comprises a connection for receiving DC input voltage VIN, an energy storage device (e.g., a capacitor), a battery ...	03/29/2005
D494681	Portable external defibrillator	08/17/2004
6772006	Method and device for controlling peak currents in a medical device In one embodiment, a method is characterized by measuring a patient parameter associated with a human body; in response to the patient parameter, retrieving a maximum expected device parameter; and setting a limit on an energy source such that during defibrillation ...	08/03/2004
6727814	System, method and apparatus for sensing and communicating status information from a portable medical device A system, method and apparatus for obtaining status information from a portable medical device and communicating said status information to a remote system or user. In one embodiment, the system comprises a sensing device that comprises an optical receiver for recei...	04/27/2004
6714817	Hard paddle for an external defibrillator An electrotherapy delivery device includes an upper member having a handle portion and a pediatric electrode mounted to the bottom surface of the upper member. A base member having an adult electrode is selectively attached to the upper member with a coupling mechan...	03/30/2004
6697671	Visual and aural user interface for an automated external defibrillator An automated external defibrillator (AED) (10) designed for use by a rescuer with minimal or no training during a medical emergency is provided. The AED implements a user interface program (22) which guides the rescuer through operation of the AED and app...	02/24/2004
6539258	Energy adjusting circuit for producing an ultra-low energy defibrillation waveform with fixed pulse width and fixed tilt An energy adjusting circuit for use with a defibrillator. The energy adjusting circuit reduces the defibrillation pulse energy that would otherwise be applied to the patient by the defibrillator. The energy adjusting circuit can be part of the defibrillat...	03/25/2003
6477413	H-bridge circuit for generating a high-energy biphasic waveform in an external defibrillator An external defibrillator with an output circuit having four legs arrayed in the form of an "H" (an "H-bridge") is disclosed. The output circuit is designed to be able to conduct a range of defibrillation pulse energies, from below 50 joules to above 200 ...	11/05/2002
6440082	Method and apparatus for using heart sounds to determine the presence of a pulse A method and apparatus determines the presence of a cardiac pulse in a patient by evaluating a physiological signal in the patient, preferably for the presence of characteristic heart sounds. The presence of a heart sound in a patient is determined by ana...	08/27/2002
6421563	Solid-state multiphasic defibrillation circuit A solid-state defibrillation circuit for applying a multiphasic defibrillation pulse to a patient is disclosed. The circuit eliminates the need for a mechanical relay, and provides for a current limiting circuit for limiting leakage currents that would ot...	07/16/2002
6400984	Method and apparatus for detecting whether a load is a patient or a test device A method and apparatus that automatically detects whether a load connected to a defibrillator is a patient or a test device measures a load-dependent electrical parameter, such as impedance, by delivering to the load at least two small-amplitude signals, ...	06/04/2002
6334070	Visual and aural user interface for an automated external defibrillator An automated external defibrillator (AED) (10) designed for use by a rescuer with minimal or no training during a medical emergency is provided. The AED implements a user interface program (22) which guides the rescuer through operation of the AED and app...	12/25/2001
6304779	Method and system for providing a warning of a remaining energy level of a battery pack in a defibrillator A method and system for monitoring the capacity of a battery pack is provided. The battery pack is capable of delivering current to a load. The battery pack includes a monitor cell and battery cells. The monitor cell has an initial energy level that is lo...	10/16/2001
6304773	Automatic detection and reporting of cardiac asystole A medical device (e.g., an automated external defibrillator) automatically detects and reports cardiac asystole by first obtaining ECG data and calculating one or more ECG measures from the ECG data. The defibrillator evaluates the ECG data by classifying...	10/16/2001
6249696	Method and apparatus for increasing the low frequency dynamic range of a digital ECG measuring system An ECG signal measuring system uses low frequency compression/enhancement techniques combined with dither techniques to effectively increase the dynamic range while maintaining resolution. This aspect of the present invention is achieved without increasin...	06/19/2001
6217525	Reduced lead set device and method for detecting acute cardiac ischemic conditions A reduced lead set device (10) that detects and reports the presence of an acute cardiac ischemic condition in a patient includes a reduced set of sensing electrodes (12, 14, 16, 18, and 20) placed on a patient for acquiring ECG data from the patient. The...	04/17/2001
6198253	Smart battery with maintenance and testing functions, communications, and display A smart battery that self-monitors and maintains information about itself that includes its state of charge, its need for maintenance, and for conditions that indicate that it has reached the end of its useful life and should be discarded. The information...	03/06/2001
6175765	H-bridge circuit for generating a high-energy biphasic waveform in an external defibrillator An external defibrillator with an output circuit having four legs arrayed in the form of an "H" (an "H-bridge") is disclosed. The output circuit is designed to be able to conduct a range of defibrillation pulse energies, from below 50 joules to above 200 ...	01/16/2001
6072299	Smart battery with maintenance and testing functions A smart battery that self-monitors and maintains information about itself that includes its state of charge, its need for maintenance, and for conditions that indicate that it has reached the end of its useful life and should be discarded. The information...	06/06/2000

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Assignee: Medtronic Physio-Control Manufacturing Corp.