The present disclosure is directed to devices, systems, and methods for sensing and discerning whether a distal portion of a fat grafting cannula or probe is disposed in fat tissue or muscle tissue during fat grafting procedures. In one aspect of the present disclosure, a fat grafting cannula or probe is provided including first and second electrodes. Each electrode is coupled to a circuit, e.g., disposed in an electrosurgical generator. During a fat grafting procedure, the electrodes contact patient tissue. Based on signals received from each electrode, the circuit is configured to determine whether a distal portion of the fat grafting cannula is disposed in a fat tissue or muscle tissue. If the circuit determines that the fat grafting cannula is disposed in muscle tissue, the surgeon operating the fat grafting cannula is alerted to ensure that processed fat is not injected into the muscle tissue of the patient.

A surgical instrument end effector assembly includes a first jaw member defining an insulative tissue-contacting surface and first and second electrically-conductive tissue-contacting surfaces, and a second jaw member positioned including an ultrasonic blade body and defining at least one electrically-conductive tissue-contacting surface. The first jaw member is movable relative to the second jaw member between a spaced-apart position and an approximated position to grasp tissue therebetween. The second jaw member is movable relative to the first jaw member between a first configuration, to facilitate transmission of ultrasonic energy to tissue grasped between the first and second jaw members, and a second configuration, to facilitate conduction of electrosurgical energy through tissue grasped between the first and second jaw members.

A surgical instrument comprising a jaw assembly is disclosed. The surgical instrument further comprises a motor-driven drive system configured to open the jaw assembly. The surgical instrument also comprises a control system configured to control the drive system and, also, control a power supply system configured to supply electrical power to electrodes defined in the outer surface, or outer surfaces, of the jaw assembly. In use, the surgical instrument can be used to apply mechanical energy and electrical energy to the tissue of a patient at the same time, or at different times. In certain embodiments, the user controls when the mechanical and electrical energies are applied. In some embodiments, the control system controls when the mechanical and electrical energies are applied.

Embodiments of the present invention include a medical probe having an insertion tube, a basket assembly, an axial electrode, and a plurality of radial electrodes. The insertion tube is configured for insertion into a body cavity of a patient. The basket assembly has a proximal end that is connected distally to the insertion tube and includes a plurality of resilient spines, which are configured to bow radially outward from an axis of the basket assembly and are conjoined at a distal end of the basket assembly. The axial electrode is disposed at the distal end of the basket assembly, having a diameter of at least 1.5 millimeters, and is configured to contact tissue in the body cavity. The plurality of radial electrodes are configured to contact the tissue in the body cavity and include radial electrodes disposed on the spines.

A balloon catheter includes: a balloon; an outside shaft connected to a proximal end of the balloon; an inside shaft extending inside the outside shaft and into the balloon to be connected to a distal end of the balloon; and a heating member disposed in the balloon for heating a liquid in the balloon. A distance between a distal end of the outside shaft and a proximal end of the heating member is 0 mm to 5 mm.

A surgical instrument includes an ultrasonic transducer supported by a housing and an elongated assembly extending distally therefrom. The elongated assembly includes a jaw and a waveguide coupled to the transducer and defining a blade having upper and lower tissue-contacting surface and first and second lateral surfaces disposed therebetween that are coated with a material. The jaw is pivotable relative to the blade and includes a structural base having a backspan and first and second uprights extending from the backspan. The jaw further includes a jaw liner supported within the structural base and positioned to oppose the upper tissue-contacting surface with the first and second uprights disposed on either side of the blade. In an ultrasonic mode, ultrasonic energy produced by the transducer is transmitted along the waveguide to the blade. In an electrosurgical mode, electrosurgical energy is conducted between the blade and the first and second uprights.

An endoscopic medical system can include an endoscopic end effector including three or more jaws. Each of the three or more jaws can respectively include a corresponding electromagnetic energy signal conductor. The end effector can also include two or more jaw linkages, an individual jaw linkage corresponding to a respective one of the jaws, such that at least two of the jaws are configured to move, independent of one another.

This document describes an end effector assembly of a medical device. The end effector assembly can include a jaw assembly including a first jaw member and an opposing second jaw member that can be pivotably coupled to the first jaw member at a fulcrum. The jaw assembly can be movable between a first position and a second position. An electrode can be arranged on an inner surface of the first jaw member or the second jaw member. The electrode can include a plurality of segments, such as can be arranged to be sequentially extending outward in a row away from the fulcrum. The segments can be spaced-apart from each other and individually deformable.

This adhesion prevention film for medical devices is a single-layer or multilayer adhesion prevention film that is formed on the surface of a medical device. This adhesion prevention film for medical devices comprises an outermost layer that contains a plurality of conductive particles and a resin having a continuously usable temperature of 200° C. or higher. The surface of the outermost layer is provided with recesses and projections by having parts of the plurality of conductive particles exposed from the resin.

An electrode assembly including an elongate body, a proximal emitter, and a distal emitter. A discharge port may be in fluid communication with a lumen of the elongate body. The proximal and distal emitters are formed by plating a metal an outer surface of the elongate body that is polymeric. A portion of the elongate body forms an insulative spacer between the proximal and distal emitters. A distal cap may be coupled to the elongate body, formed from conductive material, and arranged in electrical communication with the distal emitter. A distal lead, a thermocouple, and/or a hypotube may be disposed within the lumen to form an electrical pathway with the distal cap. A sheath may be disposed over a portion of the proximal emitter, and a radiopaque marker may be coupled to the proximal emitter. Methods of fabricating the electrode assembly are also disclosed.