| Patent application number | Description | Published |
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| 20080281309 | Capacitive electrosurgical return pad with contact quality monitoring - A return pad includes a backing, at least one return electrode, and at least one ring sensor. The backing has a top side, a bottom side, and a periphery. The return electrode is disposed on the bottom side of the backing layer and is adapted to connect to a current generator. The ring sensor(s) is disposed in substantial concentric registration with the periphery of the backing and is configured to connect to a measuring component. The measuring component is operable to approximate contact quality of the return electrode during electrosurgical application and is configured to communicate with the generator. | 11-13-2008 |
| 20080281310 | Temperature monitoring return electrode - An electrosurgical return electrode is disclosed. The return electrode includes a first and second flexible conductive material layers and a material layer disposed between the first and second conductive material layers. The material layer is transitionable between a solid state and a non-solid state, the material layer is also configured to melt upon an increase in temperature beyond a predetermined threshold, thereby increasing conductivity between the first and second conductive material layer. | 11-13-2008 |
| 20080281311 | Temperature monitoring return electrode - An electrosurgical return electrode includes a conductive pad including a patient-contacting surface configured to conduct electrosurgical energy, and a temperature sensing circuit coupled to the conductive pad. The temperature sensing circuit includes a plurality of switching elements connected in series, wherein each of the plurality of switching elements is configured to vary in impedance in response to temperature changes, such that an interrogation signal transmitted therethrough is indicative of the temperature change. | 11-13-2008 |
| 20090198229 | Hybrid Contact Quality Monitoring Return Electrode - An electrosurgical return electrode is disclosed. The return electrode includes an intermediary layer formed from a dielectric material, the intermediary layer having a top surface and a patient-contacting surface. The return electrode also includes a capacitive return electrode formed from a conductive material disposed on the top surface of the intermediary layer and a resistive monitoring electrode formed from a conductive material disposed on the patient-contact surface of the intermediary layer. | 08-06-2009 |
| 20110077641 | Return Electrode Temperature Prediction - The present disclosure relates to an electrosurgical generator for supplying electrosurgical energy to tissue and methods thereof. The electrosurgical generator includes sensor circuitry, a processing device, and a controller. The type of return electrode pad may be determined automatically. The sensor circuitry is configured to determine one or more characteristics of a patient and/or measure tissue temperature at a return electrode pad site. The processing device is configured to determine a maximum temperature of tissue and calculate real-time predicted temperature at the return electrode pad site. The controller is configured to regulate output of the electrosurgical generator based on one or more characteristics of a patient and the determined maximum temperature. | 03-31-2011 |
| Patent application number | Description | Published |
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| 20080249520 | System and method for providing even heat distribution and cooling return pads - A return pad for use with an electrosurgical system is disclosed. The return pad includes a conductive layer, a contact layer configured to engage a patient's skin and an intermediate layer disposed between the conductive layer and the contact layer. The intermediate layer is adapted to distribute energy. | 10-09-2008 |
| 20080249521 | System and method for providing even heat distribution and cooling return pads - A return pad for use with an electrosurgical system is disclosed. The return pad includes a conductive layer, a contact layer configured to engage a patient's skin and an intermediate layer disposed between the conductive layer and the contact layer. The intermediate layer is adapted to distribute energy. | 10-09-2008 |
| 20080249524 | System and method for providing even heat distribution and cooling return pads - The present disclosure relates to a return pad for use with an electrosurgical system and includes a contact layer configured to engage patient skin, a conductive layer disposed on the contact layer, and a heating layer operatively associated with at least one of the contact layer and the conductive layer. The heating layer is configured to heat the return pad. | 10-09-2008 |
| 20110112525 | System and Method for Providing Even Heat Distribution and Cooling Return Pads - A return pad for use with an electrosurgical system is disclosed. The return pad includes a conductive layer, a contact layer configured to engage a patient's skin and an intermediate layer disposed between the conductive layer and the contact layer. The intermediate layer is adapted to distribute energy. | 05-12-2011 |
