| Patent Number |
Title Of Patent |
Date Issued |
| D287761 |
Portable defibrillator |
January 13, 1987 |
|
| 8239024 |
Pulse detection apparatus, software, and methods using patient physiological signals |
August 7, 2012 |
| The presence of a cardiac pulse in a patient is determined by evaluating physiological signals in the patient. In one embodiment, a medical device evaluates two or more different physiological signals, such as phonocardiogram (PCG) signals, electrocardiogram (ECG) signals, patient im |
| 7917209 |
Pulse detection apparatus, software, and methods using patient physiological signals |
March 29, 2011 |
| The presence of a cardiac pulse in a patient is determined by evaluating physiological signals in the patient. In one embodiment, a medical device evaluates two or more different physiological signals, such as phonocardiogram (PCG) signals, electrocardiogram (ECG) signals, patient im |
| 7570994 |
Apparatus and method for maintaining a defibrillator battery charge and optionally communicating |
August 4, 2009 |
| Defibrillator assemblies and methods to wirelessly transfer energy from an external source to a battery or other rechargeable power source within the defibrillator assembly. The transfer of energy may be through a non-contact interface on a defibrillator cradle or a docking station that |
| 6928322 |
Defibrillator power management systems and corresponding defibrillator storage methods |
August 9, 2005 |
| 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 defibrillation pulse to t |
| 6304779 |
Method and system for providing a warning of a remaining energy level of a battery pack in a def |
October 16, 2001 |
| 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 lower by a predetermined difference |
| 6133787 |
Method and apparatus for controlling the common mode impedance misbalance of an isolated single- |
October 17, 2000 |
| A method and apparatus for controlling the common mode impedance misbalance of an isolated single-ended circuit for all common mode paths, thereby allowing the balancing of the common mode impedances which reduces common mode effects while maintaining the advantages of the single-ended |
| 5370664 |
Pulse forming circuits |
December 6, 1994 |
| Circuits for controlling the current flow of an energy pulse as a function of the temperature of a resistive element in the circuit so that the current flow varies over time in accordance with a predetermined waveform. The circuits include at least one negative temperature coefficient |
| 5275157 |
Pulse forming circuits |
January 4, 1994 |
| Circuits for controlling the current flow of an energy pulse as a function of the temperature of a resistive element in the circuit so that the current flow varies over time in accordance with a predetermined waveform. The circuits include at least one negative temperature coefficient |
| 5222492 |
Cardiac defibrillator including an electronic energy transfer circuit |
June 29, 1993 |
| An energy transfer circuit (40) for delivering a cardiac defibrillation pulse to a patient (50). An energy storage capacitor (16) is coupled to a pair of electrodes (52a, 52b) through an electronic switch (42). The electronic switch is controlled by a control circuit (20). A current shun |
| 4619265 |
Interactive portable defibrillator including ECG detection circuit |
October 28, 1986 |
| A portable, interactive medical electronic device exemplified by a defibrillator. The device obtains information about a patient's condition, such as ECG and transthoracic impedance data, directly from the patient, and information pertinent to the treatment of the patient indirectly |
| 4610254 |
Interactive portable defibrillator |
September 9, 1986 |
| A portable, interactive medical electronic device exemplified by a defibrillator. The device obtains information about a patient's condition, such as ECG and transthoracic impedance data, directly from the patient, and information pertinent to the treatment of the patient indirectly |
