A61B2018/00172

Forceps having removable tips

An electronic forceps system includes a handle including a pair of pivotable arms distally extending from a proximal end of the handle, at least one arm of the pair of arms having an electrically-conductive arm element connectable to a power source, wherein each arm of the pair of arms comprises a respective pair of arm interfaces, and the electrically-conductive arm element extends to at least one interface of the pair of interfaces. Also provided is a pair of tips, at least one tip of the pair of tips having an electrically-conductive tip element, wherein each tip has a tip interface configured to removably connect to a respective arm interface, each tip has a distal working surface, the electrically-conductive tip element is configured to removably and electrically connect to the electrically-conductive arm element, the electrically-conductive tip element is connected to a heater.

DEVICES AND METHODS FOR FORMING A FISTULA

Described here are devices, systems and methods for forming a fistula between two blood vessels. Generally, the systems may comprise a first catheter which may comprise a fistula-forming element. The fistula-forming element may comprise one or more electrodes, mechanical cutting elements, laser sources, or combinations thereof, and may be used to assist in fistula formation. In some instances, a system may comprise a second catheter, which may comprise a fistula-forming element. One or more of the catheters may comprise one or more markers, magnetic alignment elements, and/or one shape-changing elements.

Fluid system connector

A universal fluid system connector creates an airtight seal between a variety of smoke evacuation system receptacles and various hoses. The universal connector includes a body, a seal having a plurality of radially extending flexible fins, and a swivel. A plurality of fins on the seal are disposed along the length of the body with the outer edges of the fins forming a frustoconical shape. The fins also include one or more flexion zones of various stiffness and one or more flexible fin extensions. The fins deform against the inner wall of a receptacle and form an airtight friction fit between the universal connector and the receptacle, regardless of the taper angle, size, threads, or other features of the receptacle. The swivel facilitates rotational movement between the universal fluid system connector and an associated hose.

ENERGY DELIVERY SYSTEMS AND USES THEREOF

The present invention relates to comprehensive systems, devices and methods for delivering energy to tissue for a wide variety of applications, including medical procedures (e.g., tissue ablation, resection, cautery, vascular thrombosis, treatment of cardiac arrhythmias and dysrhythmias, electrosurgery, tissue harvest, etc.). In certain embodiments, systems, devices, and methods are provided for treating a tissue region (e.g., a tumor) through application of energy.

ADJUSTABLE ELECTROSURGICAL PENCIL WITH SLIDABLE VENT TUBE
20210267662 · 2021-09-02 ·

An electrosurgical pencil for use in performing surgery on a surgical site includes a main body forming a handle grippable by user and having open front and rear ends. The pencil has a vent tube open at its forward end, and slidably mounted in the body. The tube is adjustable independently from a retracted position to various extended positions. An elongate electrode is mounted in the tube and independently slidable therein. The electrode is adjustable manually in its longitudinal direction from a retracted position to extended positions. A first conducting strip can be mounted in the vent rube in contact with the electrode. A second conducting strip can be mounted in the main body and is in sliding contact with the first strip in order to provide power to the electrode.

Universal adaptor for gas scavenging systems

An adapter for putting two incompatible medical systems in fluid communication with each other. The adapter may have a continuous outer diameter and may include two segments: a first segment composed of a rigid material and including a first portion and a second portion, the first portion having a continuous outer diameter and the second portion defining one or more flanges, the first segment defining a first passage therethrough; and a second segment composed of a flexible material and coupled to the first segment, including a first portion and a second portion. The first portion of the second segment may have an inner surface configured to surround the flanges of the second portion of the first segment, and the second portion of the second segment having a tapered inner surface, the second segment defining a second passage therethrough that is continuous with the first passage.

Shaft module circuitry arrangements

Disclosed is an apparatus and modular surgical system that allows for a user of modular surgical instruments to manipulate an end effector directly from the instrumentation contained in the handle assembly. A nozzle assembly that is detachable from a handle assembly may include an onboard circuitry board that allows for the RF generator to attach directly to the nozzle assembly and supply RF energy to the end effector, while also interfacing with a microprocessor of the handle assembly. In some aspects, the unique circuitry of the nozzle assembly also allows for shaft rotation while still supplying proper energy and functionality to the end effector.

Electrophysiology Catheter with Modular Electrode Structure

A modular multi-electrode structure for use with an electrophysiology device includes a plurality of interconnected, non-conductive, tubular substrates. Each non-conductive, tubular substrate includes an outer surface and a conductor disposed on the outer surface, as well as at least one signal conductor extending along a length of the interconnected plurality of non-conductive tubular substrates. The conductor disposed on the outer surface of each non-conductive tubular substrate is in electrical communication with the at least one signal conductor. In some embodiments, the plurality of non-conductive tubular substrates includes a plurality of non-conductive polymeric substrates. In alternative embodiments, the plurality of non-conductive tubular substrates includes a plurality of non-conductive, unitary molded cylinders.

Actuator apparatus for operating a surgical instrument
11123134 · 2021-09-21 · ·

A coupler apparatus for coupling electrical signals between an actuator and an end effector is disclosed. The end effector is disposed at a distal end of an elongate articulated positioner and used to position the end effector for performing surgical operations. The articulated positioner has a central lumen and the apparatus includes an elongate body sized to be slidingly received within the central lumen of the articulated positioner, at least a portion of the body being operable to flex during movement of the articulated positioner. The apparatus also includes a plurality of electrical conductors extending through the body, and a plurality of proximal electrical contacts disposed at a proximal end of the body for removably connecting each of the electrical conductors to respective electrical signal lines at the actuator.

Dual port optical switching apparatus
20210231880 · 2021-07-29 ·

A dual port switching apparatus (12) comprising a connection part for mounting to a base unit (11), an input beam port to receive a main laser beam from a base unit (11) in an input optical path (22), a first output port (14) for connection to a flexible wave guide, a second output port (15) for connection to an articulated arm (16), and a switching element (56) moveable between a first position and a second position to direct an input beam to one of the first output port (14) and the second output port (15).