Abstract: A modular surgical retractor including a handle and a blade. The handle includes a base and a neck. The neck projects from an end of the base to a tail region. The blade includes a head section and a blade member. The head section includes opposing side walls and a floor combining to define a slot sized to receive the neck. The blade member projects from the head section. The blade is removably attached to the handle. In some embodiments, a light source, such as an LED, is disposed within the neck and arranged to emit light along a face of the blade member. Two or more additional blades are provided, each additional blade including the head section and a differently configured blade member.

Abstract: A cartridge assembly to couple an electrosurgical device to treat tissue with an electro surgical unit includes a cartridge member to operate with a power delivery apparatus of the electro surgical unit and a fluid delivery apparatus of the electro surgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. An electrosurgical device includes a first electrode spaced alongside the second electrode, with each electrode having a blade shaped member. Each blade shaped member has opposing sides bounded by edges, with the edges having a medial edge and a lateral edge. At least one fluid outlet is adjacent each blade shaped member, and each fluid outlet is in fluid communication with a fluid passage.

Abstract: An electrosurgical instrument with smoke evacuation, having an electrode, a suction lumen, and a plurality of slots connected to suction lumen, in which the slots may be longer than they are wide and wider than they are thick. The electrosurgical instrument may have the slots arranged longitudinally about its central axis, and the suction lumen may be wider than the slot widths.

Abstract: A modular surgical retractor including a handle and a blade. The handle includes a base and a neck. The neck projects from an end of the base to a tail region. The blade includes a head section and a blade member. The head section includes opposing side walls and a floor combining to define a slot sized to receive the neck. The blade member projects from the head section. The blade is removably attached to the handle. In some embodiments, a light source, such as an LED, is disposed within the neck and arranged to emit light along a face of the blade member. Two or more additional blades are provided, each additional blade including the head section and a differently configured blade member.

Abstract: A modular surgical retractor including a handle and a blade. The handle includes a base and a neck. The neck projects from an end of the base to a tail region. The blade includes a head section and a blade member. The head section includes opposing side walls and a floor combining to define a slot sized to receive the neck. The blade member projects from the head section. The blade is removably attached to the handle. In an attached state, an attachment face of each side wall contacts the end of the base, and the floor contacts the tail region. In some embodiments, a light source, such as an LED, is disposed within the neck and arranged to emit light along a face of the blade member. Two or more additional blades are provided, each additional blade including the head section and a differently configured blade member.

Abstract: An electrosurgical instrument with smoke evacuation, having an electrode, a suction lumen, and a plurality of slots connected to suction lumen, in which the slots may be longer than they are wide and wider than they are thick. The electrosurgical instrument may have the slots arranged longitudinally about its central axis, and the suction lumen may be wider than the slot widths.

Abstract: A cartridge assembly to couple an electrosurgical device to treat tissue with an electro surgical unit includes a cartridge member to operate with a power delivery apparatus of the electro surgical unit and a fluid delivery apparatus of the electro surgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. An electrosurgical device includes a first electrode spaced alongside the second electrode, with each electrode having a blade shaped member. Each blade shaped member has opposing sides bounded by edges, with the edges having a medial edge and a lateral edge. At least one fluid outlet is adjacent each blade shaped member, and each fluid outlet is in fluid communication with a fluid passage.

Abstract: A modular surgical retractor including a handle and a blade. The handle includes a base and a neck. The neck projects from an end of the base to a tail region. The blade includes a head section and a blade member. The head section includes opposing side walls and a floor combining to define a slot sized to receive the neck. The blade member projects from the head section. The blade is removably attached to the handle. In an attached state, an attachment face of each side wall contacts the end of the base, and the floor contacts the tail region. In some embodiments, a light source, such as an LED, is disposed within the neck and arranged to emit light along a face of the blade member. Two or more additional blades are provided, each additional blade including the head section and a differently configured blade member.

Abstract: A multipurpose electrosurgical device and methods of use are disclosed. In one example, device includes a handpiece and an end effector having a monopolar electrode and a pair of bipolar electrodes. The end effector is coupled to the handpiece and selectively transitionable relative to the handpiece from a first position to a second position. The first position includes the bipolar electrodes extending distally from the device and the monopolar electrode is spaced from a distal end portion of the device. The second position includes the monopolar electrode extending distally and the bipolar electrodes are spaced from a distal end portion of the device.

Abstract: An electrosurgical device includes a first electrode spaced alongside a second electrode. The device can be operated as either a bipolar device or a monopolar device and includes a switch to inhibit capacitive coupling to one of the electrodes when the other electrode is used in monopolar fashion.

Abstract: A bipolar electrosurgical device is disclosed. The bipolar electrosurgical device includes a handle having a shaft and a distal end. The handle can be coupled to a source of electrical energy and a fluid source. A U-shaped first electrode extends distally in a plane from a pair of openings on the distal end of the shaft. The first electrode is in electrical communication with one of an active pole or a return pole of the source of electrical energy. A longitudinal second electrode extends distally from a middle opening on the distal end of the shaft. The second electrode is coplanar to the first electrode and electrically isolated from the first electrode. The second electrode is in electrical communication with the other of the active pole or the return pole of the source of electrical energy. The second electrode forms a lumen configured to be in fluid communication with the fluid source and a fluid opening for dispersing fluid.

Abstract: A multipurpose electrosurgical device and methods of use are disclosed. In one example, device includes a handpiece and an end effector having a monopolar electrode and a pair of bipolar electrodes. The end effector is coupled to the handpiece and selectively transitionable relative to the handpiece from a first position to a second position. The first position includes the bipolar electrodes extending distally from the device and the monopolar electrode is spaced from a distal end portion of the device. The second position includes the monopolar electrode extending distally and the bipolar electrodes are spaced from a distal end portion of the device.

Abstract: An electrosurgical device and methods of use thereof. In an embodiment, the device comprises a multipurpose electrosurgical device comprising a handle, a shaft distal to the handle, a first, retractable electrode and a second non-retractable electrode, the electrodes adjacent a distal end of the shaft. The device may be selectively configured for use in a bipolar and a monopolar mode and may provide for selective extension and retraction of the retractable electrode. The retractable electrode may be selectively extended and retracted into a cavity within the shaft. When the retractable electrode is in a retracted position, the device may be configured for use in a monopolar mode. When the retractable electrode is in an extended or fully extended position, the device may be configured for use in a bipolar mode.

Abstract: A cartridge assembly to couple an electrosurgical device to treat tissue with an electro surgical unit includes a cartridge member to operate with a power delivery apparatus of the electro surgical unit and a fluid delivery apparatus of the electro surgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. An electrosurgical device includes a first electrode spaced alongside the second electrode, with each electrode having a blade shaped member. Each blade shaped member has opposing sides bounded by edges, with the edges having a medial edge and a lateral edge. At least one fluid outlet is adjacent each blade shaped member, and each fluid outlet is in fluid communication with a fluid passage.

Abstract: A cartridge assembly to couple an electrosurgical device to treat tissue with an electrosurgical unit includes a cartridge member to operate with a power delivery apparatus of the electrosurgical unit and a fluid delivery apparatus of the electrosurgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. An electrosurgical device includes a first electrode spaced alongside the second electrode, with each electrode having a blade shaped member. Each blade shaped member has opposing sides bounded by edges, with the edges having a medial edge and a lateral edge. At least one fluid outlet is adjacent each blade shaped member, and each fluid outlet is in fluid communication with a fluid passage.

Abstract: In some embodiments, an electrosurgical device includes a shaft, a first U-shaped electrode at a distal end of the shaft, and a second blade shaped electrode at the distal end of the shaft. The second electrode includes a spherical distal end. And the second electrode is substantially coplanar with the first electrode such that the first electrode surrounds a perimeter of the second electrode. The second electrode is spaced from the first electrode by an aperture. In some embodiments, an electrosurgical device includes a shaft, a first electrode at a distal end of the shaft defining an aperture and comprising a pointed tip, and a second electrode disposed at the distal end of the shaft that is substantially coplanar with the first electrode such that the first electrode surrounds a perimeter of the second electrode. The second electrode is spaced from the first electrode by the aperture.

Abstract: The invention provides an electrosurgical device and methods of use thereof. In one embodiment, the device may comprise a handle, a shaft distal to the handle, a first electrode tip and a second electrode tip adjacent a distal end of the shaft, with the first electrode tip spaced from the second electrode tip and wherein the first electrode tip comprises a first U-shaped electrode and the second electrode tip comprises a second U-shaped electrode, and at least one fluid outlet. In another embodiment, the device may comprise a handle, a shaft distal to the handle, and a first electrode and a second electrode adjacent a distal end of the shaft with the first electrode coplanar with the second electrode and comprising a wire electrode having a U-shape which surrounds a perimeter of the second electrode and is spaced from the second electrode by an aperture.

Abstract: A bipolar electrosurgical device is disclosed. The bipolar electrosurgical device includes a handle having a shaft and a distal end. The handle can be coupled to a source of electrical energy and a fluid source. A U-shaped first electrode extends distally in a plane from a pair of openings on the distal end of the shaft. The first electrode is in electrical communication with one of an active pole or a return pole of the source of electrical energy. A longitudinal second electrode extends distally from a middle opening on the distal end of the shaft. The second electrode is coplanar to the first electrode and electrically isolated from the first electrode. The second electrode is in electrical communication with the other of the active pole or the return pole of the source of electrical energy. The second electrode forms a lumen configured to be in fluid communication with the fluid source and a fluid opening for dispersing fluid.

Abstract: In some embodiments, an electrosurgical device includes a shaft, a first U-shaped electrode at a distal end of the shaft, and a second blade shaped electrode at the distal end of the shaft. The second electrode includes a spherical distal end. And the second electrode is substantially coplanar with the first electrode such that the first electrode surrounds a perimeter of the second electrode. The second electrode is spaced from the first electrode by an aperture. In some embodiments, an electrosurgical device includes a shaft, a first electrode at a distal end of the shaft defining an aperture and comprising a pointed tip, and a second electrode disposed at the distal end of the shaft that is substantially coplanar with the first electrode such that the first electrode surrounds a perimeter of the second electrode. The second electrode is spaced from the first electrode by the aperture.