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Class 128/908 - PATIENT PROTECTION FROM ELECTRIC SHOCK


Subclass of Class 128 - Surgery
Definition: Equipment for protecting a patient from electrical shock
No. of patents: 139
Last issue date: 08/26/2008


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NumberTitleIssue Date
7418296Wireless pacing system analyzer in a programmer system
An external interface device provides telemetry between an implantable apparatus and a remote device. The interface device includes a battery powered circuit and a wireless transceiver. A power supply of the remote device is isolated from the implantable apparatus b...
08/26/2008
7367971Self-limiting electrosurgical return electrode
A removable semi-insulating sheet for use in self-limiting electrosurgical return semi-insulating sheet for use with electrosurgery. Through the selection of impedance characteristics for the electrode materials of the principal body of the semi-insulating sheet, an...
05/06/2008
7353059Medical device with low EMI leakage
A medical device is configured to attenuate emission of electromagnetic radiation and comprises a housing, a circuit assembly mounted in the housing, and a panel coupled to the housing and to the circuit assembly. The panel comprises a first conductive region on an ...
04/01/2008
7311560Return pad cable connector
A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical ene...
12/25/2007
7272441External 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
7260428Shield arrangement for ECG lead wires
A grounding arrangement in a system using the same connector for 5- and 12-lead connection in ECG-measurement. If 5-lead configuration is used, the connector elements of the 12-lead connection are used for grounding of lead wire shields through a current limiting ci...
08/21/2007
7229307Return pad cable connector
An electrosurgical system is provided which includes an electrosurgical energy source; a return pad including a conductive surface; and a return pad cable connector selectively connectable to the electrosurgical generator. The return pad cable connector includes a c...
06/12/2007
7182604Return pad cable connector
A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical ene...
02/27/2007
7166102Self-limiting electrosurgical return electrode
A removable semi-insulating sheet for use in self-limiting electrosurgical return semi-insulating sheet for use with electrosurgery. Through the selection of impedance characteristics for the electrode materials of the principal body of the semi-insulating sheet, an...
01/23/2007
7066761Return pad cable connector
An electrosurgical system is provided which includes an electrosurgical energy source; a return pad including a conductive surface; and a return pad cable connector selectively connectable to the electrosurgical generator. The return pad cable connector includes a c...
06/27/2006
6997735Return pad cable connector
A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical ene...
02/14/2006
6925325Voltage sensing system with input impedance balancing for electrocardiogram (ECG) sensing applications
A voltage sensing system includes input impedance balancing for electrocardiogram (ECG) sensing or other applications, providing immunity to common-mode noise signals while capable of use with two electrodes. Signals are received at first and second electrodes havin...
08/02/2005
6666859Self-limiting electrosurgical return electrode
A self-limiting electrosurgical return electrode for use with electrosurgery. Through selection of impedance characteristics for the materials of the principal body of the electrode, and through tailoring of electrode geometries, the electrode is self-reg...
12/23/2003
6582424Capacitive reusable electrosurgical return electrode
A capacitive reusable electrosurgical return electrode pad for use with electrosurgery. Through selection of the electrode geometries and the impedance characteristics of the electrode, the electrode is self-regulating and self-limiting as to current dens...
06/24/2003
6544258Pressure sore pad having self-limiting electrosurgical return electrode properties and optional heating/cooling capabilities
A self-limiting electrosurgical electrode for use with electrosurgery and various other surgical procedures. The electrode can include a pad and a conductive element that collectively has an effective bulk impedance equal to or greater than about 4,000 Ω...
04/08/2003
6459447Video signal transmission device
With an electronic endoscope, a wide band video signal is output to connected instruments without giving electric shocks to a body even when the connected instruments are not insulated. The video signal V is converted to differential signals V1, V2 by a d...
10/01/2002
6454764Self-limiting electrosurgical return electrode
A self-limiting electrosurgical return electrode for use with electrosurgery. Through the selection of impedance characteristics for the electrode materials of the principal body of the electrode, and through tailoring of electrode geometries, the return ...
09/24/2002
6442422Compliance monitoring apparatus and method
A method and apparatus for evaluating the connection between the patient monitor and the patient. The apparatus is a compliance monitoring circuit that generates a constant current output to the isolation transformer of a patient monitoring device. Change...
08/27/2002
6334068Intraoperative neuroelectrophysiological monitor
An economically manufactured, highly sensitive, noise and interference resistant, AC powered, two, four or eight channel intraoperative neuroelectrophysiological monitor includes a mainframe having a touch panel display and a low noise interface cable pro...
12/25/2001
6318374Epicardial pacer wires shield
An epicardial pacer wires shield comprising a base element with a pair of spools mounted to the base element. Each of spool of the pair of spools has a slit in a top surface thereof for securing the epicardial pacer wires to the spool. A cover element is ...
11/20/2001
6306100Intraoperative neurophysiological monitoring system
An intraoperative neurophysiological monitoring system includes an adaptive threshold detection circuit adapted for use in monitoring with a plurality of electrodes placed in muscles which are innervated by a selected nerve and muscles not innervated by t...
10/23/2001
6141037Video camera system and related method
A video camera system is provided in which the camera head is powered at least in part by electrical energy converted from optical energy provided by a light source. In one implementation, communication between the camera head and control circuitry thereo...
10/31/2000
6083221Resistive reusable electrosurgical return electrode
A reusable electrosurgical return electrode pad for use with electrosurgery. In one embodiment it includes a presentation or working surface area at lying in a range of from about 100 to about 20,000 square centimeters. In another the working surface is a...
07/04/2000
6063075Electrosurgical apparatus and separation detecting method capable of stably monitoring separation state of return electrode
An electrosurgical apparatus detects separation of a return electrode of the electrosurgical apparatus for cutting and coagulating an organic tissue from a patient. An impedance detecting section detects a contact impedance between the return electrode an...
05/16/2000
6032063Distributed resistance leadwire harness assembly for physiological monitoring during magnetic resonance imaging
A leadwire harness system is used for recording an electrocardiogram (ECG) during magnetic resonance imaging (MRI). The system includes a set of leadwires each having a nichrome wire helically wound on a bundle of glass or other high strength fibers and s...
02/29/2000
5906633System for delivering rounded low pain therapeutic electrical waveforms to the heart
A system for delivering low pain cardioversion shocks to the heart wherein the system provides a waveform to the heart that is biphasic and has rounded leading and trailing edges. The rounded leading and trailing edges are believed to decrease the discomf...
05/25/1999
5877802Video-signal processing device connectable to an electronic endoscope
A video-signal processing device is connectable to an electronic endoscope designed to output at least one kind of video signal, and comprises a character-information signal producer for producing a character-information signal on the basis of character-c...
03/02/1999
5833710Protection circuit for implantable electronic device
The invention protects circuits connected to low energy stimulating (pacing) or detection (sensing) electrodes of an implantable medical device from high energy pulses generated by the device itself or by external devices such as external defibrillators. ...
11/10/1998
5830212Electrosurgical generator and electrode
An electrosurgical generator has an active electrode output connector and a return current connector, the generator providing an electrosurgical current at the active electrode output connector, and including a fault detection circuit for monitoring the p...
11/03/1998
5814996Leakage detector having shielded contacts
The noise received by the unused connectors limits the accuracy of a device for measuring the leakage from a piece of electronic medical equipment. To reduce noise the device is surrounded by a Faraday shield which encloses unused connectors of the device...
09/29/1998
5807253Patient electrical isolation system
A patient isolation device is used as a safety device to provide electrical insulation between medical electronic equipment and portions of the equipment which come in contact with the patient. In one implementation of the patient isolation device, an RF ...
09/15/1998
5785708Epilator probeholder
An epilator probeholder for a replaceable, flexible, insulated epilator probe including a length of coaxial cable, and a coaxial capacitor structure for holding the epilator probe. The coaxial capacitor structure has an inner female connector and an outer...
07/28/1998
5782241Sensor device for electrocardiogram
A sensor device intended to be implemented at the vicinity or inside a nuclear magnetic resonance apparatus, and more particularly on a patient inside the canal of the magnet of a magnetic resonance imager (MRI). The device includes at least two non-metal...
07/21/1998
5761019Medical current limiter
A medical current limiter protects medical electrodes and associated diagnostic apparatus from overcurrents. The medical current limiter includes first and second external terminal connections and first and second cascade circuits, each formed of a pair o...
06/02/1998
5748427Method and system for detecting relay failure
In an external cardiac defibrillator (8), a method and system for determining when a relay (22) has failed in a conductive state. The defibrillator (8) includes a charge circuit (14) that charges an energy storage capacitor (C) to a predetermined voltage....
05/05/1998
5738091Suction catheter connection arrangements with automatically operated valve
The invention relates to a suction catheter device usable with a respiratory support system which includes a catheter enveloped in a sleeve having a proximal end connector for connection to a suction source through a suction control device such as a sucti...
04/14/1998
5671738Medical environment interface
The present invention provides a method and an apparatus to facilitate feeding of electric signals, achieved in a defined area of medical electric environment, to and from auxiliary equipment, specifically a so called Personal Computer (PC), without the n...
09/30/1997
5618309Cannula assembly having conductive cannula
A conductive cannula assembly is disclosed to dissipate possible, accumulated electrical charges through body tissue. The cannula assembly includes cannula housing means and cannula means formed of a material having an electrical conductivity value which ...
04/08/1997
5591218Current limiter for implantable electronic device lead
The invention protects circuits connected to low energy stimulating (pacing) or detection (sensing) electrodes of an implantable medical device from high energy pulses generated by the device itself or by external devices such as external defibrillators. ...
01/07/1997
5543831Endoscope system having reduced noise emission/permeation
A medical system having an endoscope probe intubated into a body, a signal processing circuit for processing a signal for the probe and an electric source circuit insulated from a commercial electric source. A part of the signal processing circuit connect...
08/06/1996
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