296results about "Instrument handpieces" patented technology

The present disclosure relates to a surgical system comprising: a control circuit; and an output circuit coupled to the control circuit and configured to deliver energy to an output terminal for delivery to a patient, the output terminal configured to be coupled to an electrosurgical apparatus having two jaws with corresponding electrodes, wherein the control circuit is configured to: deliver a first therapeutic electrosurgical energy pulse to biological tissue in electrical communication with the two electrodes of the electrosurgical apparatus, wherein the first therapeutic electrosurgical energy pulse is followed by a first dwell time; determine an amount of energy delivered to the jaws during the first therapeutic electrosurgical energy pulse; calculate a second dwell time based on the determined amount of energy delivered during the first therapeutic electrosurgical energy pulse, wherein the second dwell time is less than the first dwell time; and deliver a second therapeutic electrosurgical energy to the biological tissue.

The invention belongs to the technical field of medical equipment, and particularly discloses a cervical thermocoagulation therapeutic apparatus for cervical cancer treatment and a use method thereof.The cervical thermocoagulation therapeutic apparatus for cervical cancer treatment comprises an apparatus body, and the apparatus body is connected with a thermocoagulation handle device and a device for thermocoagulation in a cervical area through a connecting line; the thermocoagulation handle device comprises a handle connected to one end of the connecting line, and the handle is connected with a treatment head through a slender shaft and used for treatment. By means of the fixing structure and the moving structure, connection between the sealing piece and the slender shaft can be kept sealed and stable, sealing reliability is guaranteed, the treatment head can be taken down from the sealing piece only by moving the moving structure, then a new treatment head or treatment heads of different models are installed, the pollution risk is reduced, and then replacement efficiency is improved conveniently.

The invention discloses a bending-adjustable endoscope type liver cutting radiofrequency ablation electrode, and relates to the technical field of medical apparatuses and instruments. The device comprises a handle, the top of the handle is provided with a depth adjusting block, one side of the handle is provided with a trigger, the top of the trigger is provided with an extension rod, one side of the extension rod is fixedly connected with an adjustable bent pipe, and one side of the adjustable bent pipe is provided with a cutting electrode. Through the design of the adjustable bent pipe and the snake bone cutting structure, the front end of the instrument can realize multi-angle flexible bending, the surgical operation range is obviously expanded, the instrument is particularly suitable for areas such as the back of the liver which are difficult to directly touch, dependence on other auxiliary instruments is reduced, the flexibility and operability of the surgery are improved, and the surgical efficiency is improved. The depth limiting head is linked with the trigger, and the seven-gear design of the depth adjusting block is matched, so that the depth of the cutting electrode penetrating into the liver can be accurately controlled, excessive puncture or insufficient ablation is avoided, and the safety and effectiveness of an operation are improved.

A microwave ablation probe includes a handle configured to operably couple a supply cable to a probe needle, and a gasket positioned in the handle to seal a joint between the handle and the supply cable. The gasket is configured to allow a predetermined amount of rotation of the supply cable relative to the handle and to prevent rotation of the supply cable relative to the handle of more than the predetermined amount.

A method for identifying and treating a neural pathway associated with chronic pain via nerve stimulation and brain wave monitoring of a mammalian brain includes positioning a probe to stimulate a target nerve, wherein the target nerve is suspected of being a source of chronic pain; delivering a first nerve stimulation from the probe to the target nerve, wherein the first nerve stimulation is sufficient to elicit a chronic pain response in the brain; and monitoring for evoked potential activity in the brain as a result of the first nerve stimulation. The method can also include delivering second and third nerve stimulations to confirm the correct identification of the neural pathway and to treat the chronic pain, respectively. A system and apparatus for performing a procedure to identify and treat a nerve that is the source of chronic pain are also described.

This treatment tool 2 comprises: a vibration transmission member 12 that has, at the distal end thereof, a treatment part 121 that functions as a first electrode for supplying a high-frequency current to a biological tissue, and supplies ultrasonic vibration to the biological tissue; a jaw 11 that opens / closes with respect to the treatment part 121 and functions as a second electrode for supplying a high-frequency current to the biological tissue; and a pipe 10 into which the vibration transmission member 12 is inserted in a state where the treatment part 121 protrudes from the distal end, and which has a conductive path to the second electrode. An end part of a distal end side Ar1 of the pipe 10 and the treatment part 121 are electrically insulated from each other so as not to be short-circuited through another conductive member.

A device and system for aesthetic treatment of tissue, where the tissue may be, but not limited to skin and fat. The device or system comprises at least a processor, an RF generator and RF electrodes. The RF electrodes configured to be employed in monopolar, bipolar, multipolar or any combination of these modes and the electrodes further being configured to switch between these modes. The device and system configured to measure at least one efficacy parameter of the RF treatment before and during RF treatment and dynamically and in real time change the RF output power of the RF treatment based on that measurement.

A connection apparatus for a surgical instrument, having an instrument base, a receiving device arranged at a shaft opening of the instrument base. Further having a first shape-coding dimension and a second shape-coding dimension, and a shaft connection element which is configured to connect an accessory shaft to the instrument base. The shaft connection element is configured as a hollow body. The shaft connection element has a first shape-coding dimension and a second shape-coding dimension. The first and second shape-coding dimensions correspond to the first and second shape-coding dimensions of the receiving device when coupled to the instrument base in an assembled state, and the shaft connection element cannot be assembled with the instrument base if the first and / or second shape-coding dimensions of the shaft connection element and the receiving device do not correspond. The connection apparatus also relates to a surgical instrument with such a connection apparatus.

The present invention presents a medical laser device. The medical laser device according to one embodiment of the present invention comprises: a body, which can be gripped and has an accommodation space therein; a needle part which is coupled to a front end portion of the body such that same can be replaced, and which is inserted into the skin of a patient so as to provide a high frequency current; and at least one weight adjustment part positioned inside the body. Here, the weight adjustment part includes at least one weight, and the body includes: the accommodation space in which the weight is accommodated; and a cover fixed to one side of the accommodation space such that same is detachable.

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and / or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and / or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

The present invention relates to a connecting device and to a monopolar cable for surgical instruments operable in a monopolar and bipolar manner, especially for high-frequency surgery, and a corresponding surgical instrument and surgical system. An electrical terminal of the connecting device is designed to be connectable either to a monopolar cable for monopolar operation or to a bipolar cable for bipolar operation. A first contact and a second contact of the electrical terminal are electrically connected to an accessory coupling of the connecting device and are designed with insulation such that an accessory coupled by the accessory coupling is operable either in a monopolar or bipolar manner via the two contacts. The present invention further relates to a monopolar cable for such a connecting device, to a surgical instrument comprising such a connecting device and to a surgical system comprising such a surgical instrument and such a monopolar cable.

A microwave ablation probe includes an outer shell defining an inner cavity axially extending to a probe tip, a cable extending in the inner cavity and comprising an antenna, and a choke coupled to the cable in the inner cavity. The choke comprising an inner layer mechanically locked to an outer casing.

This skin aesthetic device allows for precise adjustment of the degree to which multiple needles are inserted, ensuring sufficient skin aesthetic effects, and enables easy correction of errors in needle insertion during use. [Solution] The skin beauty device 100 has a transfer mechanism that screws onto the ball screw rotating shaft of a stepping motor (SM) and moves forward from the origin position, then moves backward to return to the origin position. The transfer mechanism moves forward by a distance corresponding to the forward signal of the SM, pushing the needle bundle, so that multiple needles fixed to the needle bundle are precisely inserted into the skin to an extent corresponding to the forward signal, and alternating current supplied via the transfer mechanism is passed through the multiple needles for a predetermined time inside the skin to promote skin regeneration by forming tiny wounds. When it senses that the transfer mechanism has moved backward by a distance corresponding to the backward signal of the SM and returned to the origin position, the transfer mechanism is moved forward again by a distance corresponding to the origin correction drive signal of the SM to correct the origin position.

Embodiments of the present invention provide an intervention instrument, a control method of an intervention instrument, a computer-readable storage medium and a controller, relating to the technical field of surgical instruments. The control method of an intervention instrument includes: acquiring a position of an end effector of the intervention instrument; and locking or unlocking the end effector according to a relationship between the position where the end effector is located and a pre-set position. By the control method of an intervention instrument, the end effector can be quickly, efficiently and accurately adjusted, so as to realize locking or unlocking.

An endoscope includes a handle including a handle housing, an irrigation inlet port adapted to receive irrigation fluid, and an irrigation channel; and an insertion cord extending distally from the handle. The insertion cord includes an insertion tube; a bending section extending from the insertion tube; a distal tip extending from the bending section and including a tip housing; a camera at least partially enclosed in the tip housing; interstitial space within the insertion tube in fluid communication with the irrigation channel; and at least one interstitial flow opening in fluid communication with the interstitial space and adapted to discharge the irrigation fluid.

A medical device includes a shaft and a wire that extends radially within the shaft. The medical device also includes an actuator and an end effector assembly at a distal end of the shaft. The wire is coupled to the actuator and the end effector assembly, and the wire transmits a force to the end effector assembly. A connection between the end effector assembly and the shaft permits axial rotation of the end effector assembly. The connection includes a flange protruding radially outward relative to a position of the wire toward a gap and a clevis. The wire is coupled to the clevis.

A medical device system includes an insertion device and a medical device. The insertion device includes an insertion device handle, including a port on a handle body. The insertion device also includes an insertion device shaft extending from the insertion device handle. The insertion device shaft includes a working channel connected to the port. The medical device includes a medical device handle, including a movable handle portion and a stationary handle portion. The movable handle portion includes a ball portion movably positioned within a cavity in the stationary handle portion. The medical device also includes a medical device shaft. The medical device shaft is configured to be delivered through the port in the insertion device handle and through the working channel in the insertion device shaft. Movement of the movable handle portion relative to the stationary handle portion controls movement of a distal portion of the medical device shaft.

Embodiments disclosed herein relate to devices and systems for ophthalmic surgery. In some embodiments, a handpiece device for use with a surgical system is provided. The handpiece device includes a housing, a cable assembly, and a tapered optical fiber. A cable assembly is disposed through the distal end of the housing and optically coupled to the tapered fiber. A diameter of the tapered fiber decreases between a proximal end and a distal end of the tapered fiber. In some embodiments, the tapered fiber includes a single crystal fiber. In further embodiments, the tapered fiber includes a tapered sapphire core fiber.

The present invention relates to the technical field of medical instruments, and particularly relates to a disposable intelligent bipolar circumcision stapler and a usage method therefor. The disposable intelligent bipolar circumcision stapler comprises a housing, wherein a conductive rod passes through the inside of the housing; one end of the conductive rod is fitted with a glans holder, and the other end is threadedly fitted with a knob; the housing is provided with an electrode ring on the side corresponding to the glans holder, and a circumcision blade is provided in the electrode ring; the housing is provided with a handle connected to the circumcision blade; one end of the electrode ring is fitted with a positive electrode ring, and the glans holder is provided, at a position corresponding to the positive electrode ring, with a negative electrode plate conductively connected to the conductive rod. The foreskin is clamped by the positive electrode ring and the negative electrode plate, and an electric current is passed through the positive electrode ring and the negative electrode plate for coagulation, enabling faster wound healing after cutting.

A surgical tool, which can be identified in a simple and at the same time unambiguous manner. This is achieved in that a surgical tool has an electrical conductor element having a tool-specific electronic signature. An unambiguous identification of the tool is possible via this tool-specific electronic signature. Each surgical tool of the claimed type thus has a signature, using which it can be unambiguously identified.

A personal care device configured to perform an energy-based treatment on a body of a subject, the personal care device comprising: a main body portion including an energy source and a cavity having a primary opening, the cavity being configured to transmit treatment energy from the energy source to the primary opening, wherein the primary opening is configured to be placed against the body during use of the device to define the portion of the body being treated, and to define a volume of air within the cavity, wherein the cavity comprises a secondary opening arranged at a distance from the primary opening and at a distance from the body when the primary opening is placed against the body and configured to permit a flow of air via the secondary opening and a flow of air out of the cavity into the main body portion.

A treatment tool includes: a vibration transmission portion having a distal end provided with a treatment portion that functions as a first electrode supplying a high frequency current to a biological tissue; a jaw configured to be opened and closed with respect to the treatment portion, the jaw functioning as a second electrode supplying the high frequency current to the biological tissue; a pipe through which the vibration transmission portion is inserted with the treatment portion protruding from a distal end of the pipe, the pipe including an electrically conductive path to the second electrode; and a support provided on an inner surface of an end portion of the pipe on a distal end side, the support being configured to cover an outer surface of the end portion of the pipe on the distal end side and support the vibration transmission portion.

This invention relates to catheter and handle assemblies for tissue treatment. More specifically, the invention relates to a catheter assembly having an elongated shaft, an ablation component coupled to one end of the shaft, and a handle coupled to the other end of the shaft. The handle facilitates axial and circumferential positioning of the ablation component via the shaft in an airway, tubing, or blood vessel for tissue treatment. Embodiments include using the handle during treatment of lung diseases such as COPD and asthma to facilitate axial and circumferential positioning of the shaft and ablation component through and independently of the working channel of a bronchoscope.

According to the present disclosure, it is possible to precisely adjust a degree of insertion of the plurality of needles fixed to the needle bundle in consideration of skin thickness (for example, a thickness from epidermis to dermis of the skin) to an extent that a sufficient skin beautification effect is expected, and when an error occurs in the degree of insertion of the needles due to forward or rearward movement of the conveyor during use, the error in the degree of insertion of the needles can be easily corrected by correcting the starting point position of the conveyor using a starting point position detector.

The present invention relates to the technical field of medical instruments, and particularly relates to a disposable intelligent bipolar circumcision stapler and a usage method therefor. The disposable intelligent bipolar circumcision stapler comprises a housing, wherein a conductive rod passes through the inside of the housing; one end of the conductive rod is fitted with a glans holder, and the other end is threadedly fitted with a knob; the housing is provided with an electrode ring on the side corresponding to the glans holder, and a circumcision blade is provided in the electrode ring; the housing is provided with a handle connected to the circumcision blade; one end of the electrode ring is fitted with a positive electrode ring, and the glans holder is provided, at a position corresponding to the positive electrode ring, with a negative electrode plate conductively connected to the conductive rod. The foreskin is clamped by the positive electrode ring and the negative electrode plate, and an electric current is passed through the positive electrode ring and the negative electrode plate for coagulation, enabling faster wound healing after cutting.

Provided are a flexible electrode pulsed ablation catheter, a pulsed ablation device, and an ablation equipment. The ablation catheter comprises: a tube body with a distal end and a proximal end, the tube body comprising a traction structure and a delivery tube assembly sleeved on the traction structure; an electrode assembly, the electrode assembly comprising at least one connecting tube and at least two electrodes, with adjacent electrodes fixedly connected by the connecting tube, the electrodes being tubular structures with internal cavities; one end of the traction structure extends through the delivery tube assembly into the electrode assembly and is fixedly connected to one end of the electrode near the distal end of the tube body; under external force, the traction structure can move the relative ends of the same electrode towards or away from each other, causing the tubular structure to contract or expand.

The electrosurgical instrument 100 belongs to the field of medical devices and includes an end execution component 30 and a handle component 10 that operably supplies driving force and electrosurgical energy to the end execution component 30. The handle component 10 includes a gripping main body 11 and a closure trigger 12 pivotally connected to the gripping main body 11. The gripping main body 11 has a first housing lumen 11c, and the closure trigger 12 has a second housing lumen 12a. An activation switch 14 that enables / disables the transmission of electrosurgical energy is provided within the first housing lumen 11c and / or the second housing lumen 12a. When the closure trigger 12 pivots toward the gripping main body 11 and reaches an activation position, the activation switch 14 is triggered to a conductive state, allowing electrosurgical energy to be supplied to the end execution component 30. The electrosurgical instrument 100 of the present invention shortens the operation time for closing and coagulating (cauterizing and sealing) tissue and prevents accidental activation of the activation switch 14.

An energy treatment tool includes: a grip to be held by an operator; a lever that is provided in a state of being exposed to an outside of the grip, the lever being configured to move in response to a changing operation by an operator, the changing operation being for changing an output state of energy; an electric switch that is arranged inside the grip the electric switch being configured to generate a signal for changing an output state of the energy; and a driver that is installed inside the grip such that the driver is rotatable about an axis intersecting an axis along a longitudinal axis correspondingly to movement of the lever, the driver being configured to switch the electric switch between a contacting state and a noncontacting state.

A modular surgical system is disclosed. The modular surgical system can include a control module, a first surgical module, and a second surgical module that are arrangeable in a stack. The control module can include a pulse generator to generate a clock pulse signals. Each of the first and second surgical modules can include a timing circuit and a delay circuit. Each timing circuit can receive the clock pulse signal and start a timer. A first delay circuit of the first surgical module can also receive the clock pulse signal and transmit a first delayed sequence signal to the timing circuit of the first module. A second delay circuit of the second surgical can also receive the first delayed sequence signal from the first delay circuit and transmit a second delayed sequence signal to the clock timer of the second surgical module.

Disclosed is an electrosurgical instrument, relating to the field of medical instruments, and including: an end effector; and a handle assembly operably providing driving force and electrosurgical energy to the end effector, the handle assembly including a handle portion and a closure trigger pivotally connected to the handle portion. The handle portion has a first accommodating chamber, the closure trigger has a second accommodating chamber, and an activation switch capable of turning on or off activation of transmission of the electrosurgical energy is provided in the first accommodating chamber and / or the second accommodating chamber. When the closure trigger pivots towards the handle portion side to an activation position, the activation switch is triggered into an activated state to provide the electrosurgical energy to the end effector. The surgical instrument of the present invention shortens the operation time of closing and coagulating (cauterizing and sealing) tissue, and also avoids the problem of inadvertent operation on the activation switch.