| Patent application number | Description | Published |
|---|
| 20090024120 | Connection cable and method for activating a voltage-controlled generator - A connection cable is disclosed for controlling a voltage-controlled generator such as an electrosurgery generator from a controlling device such as a robotic surgery system. The cable includes a first connector adapted to connect to a voltage-controlled generator and a second connector adapted to connect to a controlling device. Within the cable is a voltage divider interdisposed between the first connector and the second connector. The voltage divider is configured to divide a reference voltage provided by the voltage-controlled generator into at least one control voltage which is selectable by the controlling device. The cable additionally includes a plurality of electrical wires which operatively connect the first connector, the second connector and the voltage divider. During robotic electrosurgery, said operating parameters can be actuated by a surgeon operating at the robotic surgical system console, which causes a corresponding control voltage to be switched to a control voltage input on an electrosurgery generator, which, in turn, generates a corresponding electrosurgical signal in response thereto. | 01-22-2009 |
| 20090048594 | GAS-ENHANCED SURGICAL INSTRUMENT WITH PRESSURE SAFETY FEATURE - An electrosurgical instrument for providing pressurized ionized gas to a surgical site includes a hand-held applicator having proximal and distal ends, a gas delivery member adapted to deliver pressurized ionizable gas to the proximity of an electrode located adjacent the distal end of the hand-held applicator. A portable actuator assembly is included that is capable of receiving a source of pressurized ionizable gas therein. The actuator controls the delivery of the gas and energy to the hand-held applicator. A pressure safety connects to the portable actuator and to the hand-held applicator. A pressure safety system having two or more cascaded pressure change members connects between the input port and the output port, the pressure change members are configured to regulate pressurized gas into the environment until the portable actuator assembly exceeds a predetermined threshold. | 02-19-2009 |
| 20090054893 | GAS-ENHANCED SURGICAL INSTRUMENT WITH PRESSURE SAFETY FEATURE - A pressure safety system is provided for use with electrosurgical instruments providing pressurized ionized gas to a surgical site. The pressure safety system includes a series of three cascaded pressure change members to control the pressure of gas delivered to a patient. Pressure safety apparatus for use with electrosurgical instruments providing pressurized ionized gas to a surgical site are also provided. Electrosurgical instruments utilizing the pressure safety system and apparatus are also provided. The instruments include a hand-held applicator, a portable actuator assembly and the pressure safety system to control the pressure of gas delivered to a patient. | 02-26-2009 |
| 20090198228 | Bipolar Scissors for Adenoid and Tonsil Removal - A bipolar electrosurgical instrument is disclosed for use in excising tissues. The disclosed bipolar electrosurgical instrument includes a pair of jaws or legs having shearing surfaces, one of which is electrically nonconductive. The disclosed bipolar surgical instrument also includes conductive surfaces on the legs which allow energy flux to flow through tissue on a plane other than that defined by the relative shearing surfaces. | 08-06-2009 |
| 20090275941 | Gas-Enhanced Surgical Instrument - A gas-enhanced electrosurgical instrument includes a hand-held applicator and a portable actuator assembly. The hand-held applicator has a gas delivery member adapted to deliver pressurized ionizable gas to the proximity of an electrode located adjacent a distal end of the applicator. The portable actuator assembly is capable of holding a source of pressurized ionizable gas, such as a cylinder or cartridge, and includes at least one controller to control the delivery of the gas from the source to the hand-held applicator and to control the delivery of electrosurgical energy to the hand-held applicator. | 11-05-2009 |
| 20100023007 | Electrosurgical devices, systems and methods of using the same - According to an aspect of the present disclosure, a desiccation device for operation on a target tissue is provided. The device includes a handle; a shaft extending distally from the handle, wherein the shaft defines a lumen therethrough; and a head having a loop configuration supported on a distal end of the shaft, the head being hollow and defining a lumen therethrough, said lumen being in fluid communication with the lumen of the shaft. At least a portion of the cutting head is electrically connected to a source of electrosurgical energy. A fluid is circulatable through the lumen of the shaft and the head. | 01-28-2010 |
| 20100023008 | Suction Coagulator - An electrosurgical suction coagulator is disclosed having improved thermal insulation between the active electrode and adjacent tissue. In embodiments, passive insulation is used to control the transfer of thermal energy from an electrosurgical electrode into surrounding tissue. Braided, closed-sell foam material, and open cell foam materials may be used to thermally insulate the outer surface of a suction coagulator shaft from an inner electrode. In embodiments, a suction coagulator shaft includes an external covering formed from open-cell foam material, which may be saturated with a coolant, such as water or saline, to increase the thermal mass of the shaft. In other embodiments, active cooling delivers coolant to the operative site. In yet other embodiments, a suction coagulator shaft includes a cooling jacket through which coolant is passed to actively cool the instrument. The improved electrosurgical suction coagulator disclosed herein may have a reduced operating surface temperatures which may result in reduced risk of undesirable effects to adjacent tissue, and may result in reduced operative times and improved patient outcomes. | 01-28-2010 |
| 20100069902 | Self Contained, Gas-Enhanced Surgical Instrument - An electrosurgical apparatus for coagulating tissue includes an elongated housing and an electrode located adjacent the distal end of the housing. The electrode can be connected to a source of electrosurgical energy. At least one actuator is included which electrosurgically energizes the electrode. The apparatus also includes a relatively small gas cylinder which contains a pressurized gas consisting of inert gas and which is selectively seated in the housing. Upon actuation of the actuator, gas is dispersed under pressure from the gas cylinder to the electrode and is ionized prior to the distribution of the gas into the operating field. | 03-18-2010 |
| 20110004210 | Flexible Endoscopic Catheter with Ligasure - An endoscopic forceps is disclosed including an end effector assembly having two jaw members movable from a first position in spaced relation relative to one another to at least a second position closer to one another for grasping tissue therebetween. Each of the jaw members is connectable to an electrosurgical energy source for conducting energy through tissue held therebetween. The jaw members are biased to the first position. The end effector assembly of the endoscopic forceps further includes a wire snare having a proximal end connectable to an electrosurgical energy source and a distal end translatably extending out of one of the jaw members and operatively associated with the other of the jaw members. In use, withdrawal of the proximal end of the wire snare results in movement of the jaw members from the first position to a second position and clamping of the tissue between the jaws. | 01-06-2011 |
| 20110018164 | Molded Insulating Hinge for Bipolar Instruments - An electrosurgical instrument includes a pair of first and second elongated shafts each having an end effector attached to a distal end thereof and a handle. The handle is movable from a first position wherein the end effectors are disposed in spaced relation relative to one another to a second position wherein the end effectors are closer relative to one another. Each of the elongated shafts includes a hinge plate which mounts atop a pivot assembly for effecting movement of the end effectors relative to one another. The instrument also includes a hinge assembly made from an overmold composition which encapsulates and secures the hinge plates and the pivot assembly. The overmold composition is made from an electrically insulating material which insulates the end effectors from one another. | 01-27-2011 |
| 20110028969 | Connection Cable and Method for Activating a Voltage-Controlled Generator - A connection cable is disclosed for controlling a voltage-controlled generator such as an electrosurgery generator from a controlling device such as a robotic surgery system. The cable includes a first connector adapted to connect to a voltage-controlled generator and a second connector adapted to connect to a controlling device. Within the cable is a voltage divider interdisposed between the first connector and the second connector. The voltage divider is configured to divide a reference voltage provided by the voltage-controlled generator into at least one control voltage which is selectable by the controlling device. The cable additionally includes a plurality of electrical wires which operatively connect the first connector, the second connector and the voltage divider. During robotic electrosurgery, said operating parameters can be actuated by a surgeon operating at the robotic surgical system console, which causes a corresponding control voltage to be switched to a control voltage input on an electrosurgery generator, which, in turn, generates a corresponding electrosurgical signal in response thereto. | 02-03-2011 |
| 20110092971 | Electrosurgical Pencil with Advanced ES Controls - An electrosurgical system is provided that includes an electrosurgical generator; and an electrosurgical pencil selectively connectable to the electrosurgical generator. The electrosurgical pencil includes an elongated housing; at least one electrocautery end effector removably supportable within the housing and extending distally from the housing, the electrocautery end effector being connected to the electrosurgical generator; and at least one voltage divider network supported on the housing. The at least one voltage divider network is electrically connected to the electrosurgical generator and controls at least one of the intensity of electrosurgical energy being delivered to the electrosurgical pencil and the mode of electrosurgical energy being delivered to the electrosurgical pencil. The voltage divider network generates a plurality of characteristic voltages which are measurable by the electrosurgical generator and which electrosurgical generator in turn transmits a corresponding waveform duty cycle at a particular intensity to the electrocautery end effector of the electrosurgical pencil. | 04-21-2011 |
| 20110098689 | Apparatus for Tissue Sealing - An ultrasound forceps for sealing tissue is provided. The forceps includes one or more shaft members having an end effector assembly disposed at a distal end thereof. The end effector assembly includes opposing jaw members movable from a first position in spaced relation relative to another subsequent position wherein the jaw members cooperate to grasp tissue therebetween. One or both of the jaw members includes an ultrasound transducer coupled to an ultrasound generator adapted to provide an electrical signal to the ultrasound transducer to induce treatment pulses therein. | 04-28-2011 |
