A61B2018/00077

Electrosurgical apparatus with flexible shaft

An electrosurgical apparatus is provided including a housing, a flexible shaft, and a distal tip. The housing may further be coupled to an electrosurgical generator and gas supply. The distal tip of the electrosurgical apparatus may be grasped by a grasping tool, such that the orientation and position of the distal tip relative to the housing may be manipulated to achieve a plurality of positions. The electrosurgical apparatus provides electrosurgical energy and inert gas to an electrode within the distal tip of the electrosurgical apparatus to generate a plasma beam. In one aspect, the electrode is a retractable blade such that the electrosurgical apparatus can be used for mechanical and electrosurgical cutting during surgery when the electrode is in an extended position and for cold plasma applications during surgery when the electrode is in a retracted position.

ELECTRICAL SIGNALS FOR RETRIEVAL OF MATERIAL FROM VESSEL LUMENS
20230064470 · 2023-03-02 ·

Devices, systems, and methods for removing obstructions from body lumens are disclosed herein. In some embodiments, a system for removing a thrombus includes an interventional element configured to be disposed proximate to or adjacent to a thrombus within a blood vessel. The system can include a signal generator in electrical communication with the interventional element. The signal generator can be configured to deliver an electrical signal to the interventional element. The electrical signal can include a waveform having a positive phase having a peak positive current and a first duration, and a negative phase having a peak negative current and a second duration. A magnitude of the peak positive current can be greater than a magnitude of the peak negative current, and the first duration can be greater than the second duration.

Transluminal delivery devices and related kits and methods

Prosthesis deployment devices are disclosed herein. In some embodiments, the prosthesis deployment device comprises an elongate delivery catheter assembly configured for electrosurgery and also configured to retain and deploy a prosthesis. Kits comprising the prosthesis deployment devices with a prosthesis loaded into a prosthesis pod of the device are disclosed herein as well as methods of using the prosthesis deployment devices.

ELECTRODE INSTRUMENT, SURGICAL HANDHELD DEVICE, AND THEIR PRODUCTION METHODS

An electrode instrument, a surgical handheld device and a production method, by means of which the quality of the aforementioned instruments can be improved. This is achieved by virtue of an electrode instrument for a surgical handheld device having an electrical conductor which is electrically insulated by an insulation in the form of flexible tubing, wherein the conductor is pressed in an electrode carrier, wherein the electrode carrier has a cross section with six pressed sides at the pressed position.

SYSTEMS AND METHODS FOR MITIGATING TEMPERATURE-BASED NOISE IN ELECTROPHYSIOLOGICAL INFORMATION

An electrophysiological information processing system may be configured to acquire electrophysiological information indicating sensed electrophysiological activity produced within a patient body, the electrophysiological activity sensed via at least a first transducer. Temperature information may be received indicating temperature at least proximate the first transducer. The electrophysiological information may be modified in accordance with the received temperature information, and the modified electrophysiological information may be output.

METHODS, SYSTEMS AND DEVICES FOR ENDOVASCULAR ELECTROPORATION OF A GREATER SPLANCHNIC NERVE

Systems, devices, and methods for transvascular ablation of target tissue. The devices and methods may, in some examples, be used for splanchnic nerve ablation to increase splanchnic venous blood capacitance to treat at least one of heart failure and hypertension. For example, the devices disclosed herein may be advanced endovascularly to a target vessel in the region of a thoracic splanchnic nerve (TSN), such as a greater splanchnic nerve (GSN) or a TSN nerve root. Also disclosed are methods of treating heart failure, such as HFpEF, by endovascularly ablating a thoracic splanchnic nerve to increase venous capacitance and reduce pulmonary blood pressure.

Electrosurgical system

An electrosurgical system can include an electrosurgical generator, a feedback circuit or controller, and an electrosurgical tool. The feedback circuit can provide an electrosurgery endpoint by determining the phase end point of a tissue to be treated. The electrosurgical system can include more than one electrosurgical tool for different electrosurgical operations and can include a variety of user interface features and audio/visual performance indicators. The electrosurgical system can also power conventional bipolar electrosurgical tools and direct current surgical appliances.

COLPOTOMY CUP ASSEMBLY

A medical device for performing a hysterectomy is provided. The medical device has a tissue incision assembly that includes a first cup nested within a second cup. The tissue incision assembly also includes a spacer assembly between the first cup and the second cup in order to maintain a spacing between the first and second cups. The tissue incision assembly also has a cutting implement that has a portion extending between, and movable with respect to, the first and second cups. The cutting implement can provide a circular cut guided via the spacing between the first and second cups.

Cam driver for surgical instruments
11602365 · 2023-03-14 · ·

An end effector assembly includes first and second jaw members movable between an open and closed position to grasp tissue therebetween. First and second proximal flanges extending proximally from the second jaw member and defining a space therebetween, a proximal flange extend proximally from a proximal portion of the first jaw member and define a cam slot. A cam driver operably is coupled to the proximal flange of the first jaw member to define a space between the cam driver and the proximal flange of the first jaw member. A cam bar is disposed within the space defined between the cam driver and the proximal flange of the first jaw member. The cam bar includes a cam pin configured to move within a cam slot of the cam driver to move the first jaw member relative to the second jaw member between the open position and the closed position.

System and method for an improved graphical user interface that provides independent control of multiple radiofrequency probes during an ablation procedure

A system for delivering energy to a patient's body includes a plurality of probes, a touch-sensitive display screen, and a controller communicatively coupled to each of the probes and the display screen. The controller is configured to perform operations including displaying a plurality of dynamically sized channel control regions within a user interface of the touch-sensitive display screen. Each of the plurality of channel control regions corresponds with at least one of the plurality of probes and is sized based at least in part on a number of the plurality of probes. The operations can include detecting a user touch action directed to a user-selected channel control region of the plurality of dynamically sized channel control regions. The operations can include performing a control action associated with the probe(s) that correspond with the user-selected channel control region when the user touch action is detected.