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2531results about "Enemata/irrigators" patented technology

Dual mode electrosurgical clamping probe and related methods

The present invention provides systems, apparatus and methods for selectively applying electrical energy to body tissue in order to ablate, contract, coagulate, or otherwise modify a target tissue or organ of a patients. An electrosurgical apparatus of the invention includes a shaft having a shaft distal end bearing an active electrode and a return electrode. At least one of the active electrode and the return electrode is moveable such that the shaft distal end can adopt a closed configuration or an open configuration. The apparatus can operate in an ablation mode or a sub-ablation mode. The closed configuration is adapted for clamping and coagulating a target tissue while the apparatus is operating in the sub-ablation mode, while the open configuration is adapted for ablating the target tissue via molecular dissociation of tissue components. A method of the present invention comprises clamping a target tissue or organ with an electrosurgical probe. A first high frequency voltage is applied between the active electrode and the return electrode to effect coagulation of the clamped tissue. Thereafter, a second high frequency voltage is applied to effect localized molecular dissociation of the coagulated tissue. The present invention allows the ablation or modification of the target tissue with minimal or no damage to surrounding, non-target tissue.
Owner:ARTHROCARE

Electrosurgical systems and methods for removing and modifying tissue

InactiveUS7824398B2Thermal damage is minimizedCannulasEnemata/irrigatorsEngineeringNon targeted
The present invention provides systems, apparatus and methods for selectively applying electrical energy to body tissue in order to, ablate, contract, coagulate, or otherwise modify a tissue or organ of a patient. An electrosurgical apparatus includes an electrode support bearing an active electrode in the form of a plasma blade or hook having an active edge and first and second blade sides. The active edge is adapted for severing a target tissue via localized molecular dissociation of tissue components. The first and second blade sides are adapted for engaging against, and coagulating, the severed tissue. s. A method of the present invention comprises positioning an electrosurgical probe adjacent to the target tissue so that a blade- or hook-like active electrode is brought into at least close proximity to the target tissue in the presence of an electrically conductive fluid. A high frequency voltage is applied between the active electrode and a return electrode to effect cool ablation or other modification of the target tissue. During application of the high frequency voltage, the electrosurgical apparatus may be translated, reciprocated, or otherwise manipulated such that the active edge is moved with respect to the tissue. The present invention volumetrically ablates or otherwise modifies the target tissue with minimal or no damage to surrounding, non-target tissue.
Owner:ARTHROCARE

Therapeutic energy systems

The invention provides a therapeutic system comprising:
    • a console, wherein the console comprises a controller and an energy generator;
    • a therapeutic device comprising: an operational head configured for transmitting the energy output from to a biological tissue; and a memory device comprising control instructions, wherein said control instructions comprise instructions for controlling the console;
    • a reversible memory operable linkage linking the memory device to the controller; and
    • a reversible connector configured for operably linking the energy generator to the operational head.
Optionally, the energy generator is a generator of ablation energy or heat energy (e.g. RF generator) and the control instructions comprise instructions for controlling the output of the energy generator. Optionally, the control instructions comprise one or more parameters of energy output or an algorithm configured for controlling the energy output. Optionally, the system further comprises one or more secondary therapeutic devices and the control instructions comprise instructions for controlling the one or more secondary therapeutic devices. Optionally, the system further comprises one or more sensors configured for sensing parameters of energy output or biological or environmental effects of the energy output and the control instructions comprise instructions for controlling the energy output and/or secondary therapeutic devices based on the parameters of energy output or biological or environmental effects. In some embodiments, one advantage provided by the present invention is the use of a single console with a plurality of interchangeable reversibly connected therapeutic devices.
Owner:RBC DEV LLC
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