A handpiece for a surgical instrument, having a lumen for the provision of suction or fluids to the surgical instrument, the lumen being formed from at least two concentrically arranged tubes, one of the tubes being formed from metal, and the other of the tubes being formed from an electrically insulating material, the arrangement being such as to prevent electrical charge carried by any fluid within the lumen from leaking to an external surface of the lumen. In one example the at least two concentrically arranged tubes define a tube connector having a distal end and a proximal end, wherein the proximal end is located within a receiving formation in the handpiece and the distal end protrudes outwardly from the handpiece.

A medical device includes a shaft including a distal end including a passive electrode that defines a central opening extending through the passive electrode, and an active electrode within the central opening. The active electrode is movable between at least an extended position in which the active electrode does not contact the passive electrode, and a retracted position in which the active electrode contacts the passive electrode.

A surgical instrument includes a housing having a shaft affixed thereto, a reciprocatable drive rod slideably disposed at least partially within the shaft, and a force applicator coupled to the drive rod. The shaft includes first and second jaw members attached to a distal end thereof, at least one of which movable relative to the other from a first position wherein the jaw members are disposed in spaced relation relative to one another to at least a second position closer to one another wherein the jaw members cooperate to grasp tissue therebetween. The force applicator and the drive rod mechanically communicate to impart movement to at least one of the jaw members. The bipolar forceps includes a handle assembly and a force-balance interface. The force-balance interface configured to translate a multiple of the user-applied force exerted on the handle assembly into the jaw members.

A resectoscope operating handle and electrode fitting structure and fitting method are provided. The fitting structure includes a slider of a resectoscope operating handle and a binding post of an electrode. The slider has a front surface and a back surface. The front surface of the slider is provided with a mounting groove for mounting the binding post. An end surface of the binding post is perpendicular to the front surface of the slider. The binding post is mounted in the mounting groove, and an axial direction of the binding post is perpendicular to a plane where the handle is located. The resectoscope operating handle and electrode fitting structure and fitting method of the present invention can ensure that an electrode is accurately and firmly fixed to an operating handle under the condition of convenience in operation.

A temperature sensing system for an electrosurgical instrument able to detect temperatures internal and/or external to the electrosurgical instrument. Temperatures detected by a temperature sensor are processed by a monitoring module which prompts action to reduce temperatures where appropriate. The temperature sensing system is particularly useful for electrosurgical instruments which combine rotary shaver arrangements and RF electrode arrangements, where suction is used to remove RF heated saline from the surgical site. Without monitoring the temperature of the electrosurgical instrument and/or the surgical site, there is a risk of burning the patient if the RF heated saline becomes too hot as the electrosurgical instrument may not be adequately insulated.

Provided is a flex-PCB catheter device that is configured to be inserted into a body lumen. The flex-PCB catheter comprises an elongate shaft, an expandable assembly, a flexible printed circuit board (flex-PCB) substrate, a plurality of electronic components and a plurality of communication paths. The elongate shaft comprises a proximal end and a distal end. The expandable assembly is configured to transition from a radially compact state to a radially expanded state. The plurality of electronic elements are coupled to the flex-PCB substrate and are configured to receive and/or transmit an electric signal. The plurality of communication paths are positioned on and/or within the flex-PCB substrate. The communication paths selectively couple the plurality of electronic elements to a plurality of electrical contacts configured to electrically connect to an electronic module configured to process the electrical signal. The flex-PCB substrate can have multiple layers, including one or more metallic layers. Acoustic matching elements and conductive traces can be includes in the flex-PCB substrate.

The present invention provides a cardiac ablation system including a spline assembly and a catheter wire. The spline assembly is provided with a plurality of electrodes and a plurality of first conductive layers encapsulated therein. A total number of the plurality of first conductive layers is corresponding to a total number of the plurality of electrodes. Each of the plurality of first conductive layers is electrically connected to each of the plurality of electrodes. The spline assembly is configured to transform into various configurations along a radial direction. A distal end of the catheter wire is connected to a proximal end of the spline assembly. The catheter wire includes a plurality of second conductive layers encapsulated therein. A total number of the plurality of second conductive layers is corresponding to the total number of the plurality of first conductive layers.

An electrosurgical handheld device and also a contact body for an electrosurgical handheld device, with which both the required cleanliness and the necessary safety can be obtained. This is achieved by the fact that a contact body for an electrosurgical handheld device for receiving an optical guide and for coupling at least one electrical contact of an electrode instrument of the handheld device has an RF cable, which is fixedly connected to the contact body. By way of this RF cable, an RF voltage can be applied to the electrode instrument via the at least one electrical contact. The other end of the RF cable can be connectable to an RF generator.

An electrosurgical apparatus is provided having a rechargeable power source which may be charged wirelessly. The apparatus comprises an oscillator for generating electromagnetic (EM) energy (e.g. radiofrequency energy or microwave frequency energy); a controller operable to select an energy delivery profile for the oscillator; a feed structure for conveying the electromagnetic energy to an output; a rechargeable power source arranged to supply power to the oscillator; and a receiver circuit comprising an inductive coupler configured to wirelessly receive power from a transmitter and supply received power to the rechargeable power source. The selection of an energy delivery profile may involve switching the oscillator on or off in one example, or may comprise more complex operation such as the selection of a pulse profile in some embodiments.

A medical device that has a first array of loop electrodes and a second array of loop electrodes. The first array of loop electrodes and the second array of loop electrodes are configured to expand within a uterus and deliver a therapy current to tissue defining the uterus.