448results about "Instrument handpieces" patented technology

A modular surgical system for use in a surgical procedure is disclosed. The modular surgical system includes a control module including a power supply and surgical modules including a first surgical module and a second surgical module. The first surgical module is arranged in a stack configuration with the control module and the second surgical module. The power supply is configured to output power to the first surgical module and the second surgical module. A power backplane is configured to deliver the power to the first surgical module and the second surgical module through the first surgical module. A control circuit is configured to adaptively adjust power allocations to the first surgical module and the second surgical module.

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.

A plasma radiofrequency surgical electrode, relating to the technical field of medical instruments. The plasma radiofrequency surgical electrode comprises a cable assembly, a proximal handle, a knife rod, and a distal knife head that are connected sequentially. A first working electrode, a second working electrode, and a bending member are provided in the distal knife head. The bending member and the knife rod form a return electrode. A plasma radiofrequency system, the first working electrode, and the return electrode form a first discharge circuit to achieve small-area high-intensity cutting operations. The plasma radiofrequency system, the second working electrode, and the return electrode form a second discharge circuit to achieve large-area cutting and hemostasis operations. By integrating multiple cutting functions along with the function of simultaneous suction and coagulation, the plasma radiofrequency surgical electrode significantly improves surgical efficiency, safety, and operational convenience, thereby providing a more advanced and reliable tool for surgical procedures.

A gearbox assembly and surgical instrument including the same. The gearbox assembly includes a drive gear including a round gear and a lead screw such that a rotational input to the round gear rotates the lead screw. A first hub is threadingly engaged about the lead screw such that rotation of the lead screw translates the first hub. A second hub is spaced-apart from the first hub and engaged with a drive rod. A compression spring is disposed between the hubs. When a force acting against the drive rod is below a threshold, the rotational input translates the first hub, compression spring, second hub, and drive rod. When the force is equal to or above the threshold, the rotational input translates the first hub and compresses the compression spring against the second hub to maintain the second hub and drive rod in position.

An improved system described herein can include an expandable member (e.g., to temporarily dilate a targeted tissue) equipped with one or more Pulsed Field Electroporation (PFE) electrodes configured to cause localized and targeted PFE output at the targeted tissue.

An electrode apparatus for nerve denervation or modulation in vivo includes a main body including a shaft; an electrode unit formed to be drawn out from one end of the shaft and configured to denervate or modulate at least part of nerves on a tube in a body; an electrode guide coupled to the end of the electrode unit and configured to guide the electrode unit to be brought into contact with the tube in the body; an electrode guide driving unit configured to move the electrode guide in forward and backward directions; and an electrode driving unit configured to move the electrode guide in the forward and backward directions in conjunction with the electrode guide driving unit. The electrode driving unit includes a tensile force maintenance unit connected to one end of the electrode unit and configured to provide a tensile force to the electrode unit; and a moving unit that moves in the forward direction until the electrode guide is transitioned to a first state in a state where the moving unit is connected to the tensile force maintenance unit, and then is disconnected from the tensile force maintenance unit and further moves in the forward direction until the electrode guide is transitioned to a second state.

To provide surgical systems providing effective results to biological tissue.SOLUTION: Apparatuses and associated methods relate to controlling electrical power of an electrotherapeutic signal that is provided to a biological tissue engaged by an electrosurgical instrument during a medical procedure. Electrical power, which is a product of a voltage difference across the engaged biological tissue and an electrical current conducted by the engaged biological tissue, is controlled according to a therapeutic schedule. The electrotherapeutic schedule can be reduced or terminated in response to a termination criterion being met. In some examples, the termination criterion is a current characteristic, such as a decrease in current conducted by the engaged biological tissue. In some examples, the termination criterion is a biological tissue resistance characteristic, such as an increase in the biological tissue resistance that exceeds a predetermined delta resistance value.SELECTED DRAWING: Figure 1

Apparatus and associated methods relate to controlling electrical power of an electrotherapeutic signal that is provided to a biological tissue engaged by an electrosurgical instrument during a medical procedure. Electrical power—a product of a voltage difference across and an electrical current conducted by the engaged biological tissue—is controlled according to a therapeutic schedule. The electrotherapeutic schedule can be reduced or terminated in response to a termination criterion being met. In some examples, the termination criterion is a current characteristic, such as, for example, a decrease in current conducted by the engaged biological tissue. In some examples, the termination criterion is a biological tissue resistance characteristic, such as, for example, an increase in the biological tissue resistance that exceeds a predetermined delta resistance value.

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 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 provides a surgical electrode knife, and relates to the technical field of medical instruments, a user drives an energy transmission part to rotate through an operation assembly, and the energy transmission part is connected with an electrode assembly so as to drive the electrode assembly to rotate together, so that the operation assembly drives the electrode assembly to extend or retract relative to a conveying assembly; a user can freely change the extension length of the electrode assembly conveniently, and the technical problem that in the prior art, the length of an electrode tool bit in an electrode tool is fixed, and the extension length cannot be adjusted is solved.

A method for adjusting the operation of a surgical instrument using machine learning in a surgical suite is disclosed.

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 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.

To provide a surgical system causing a result effective to biological tissues.SOLUTION: An apparatus and associated method relate to controlling electrical power of an electrotherapeutic signal that is provided to a biological tissue engaged by an electrosurgical instrument during a medical procedure. Electrical power, a product of a voltage difference across and an electrical current conducted by the engaged biological tissue, is controlled according to a therapeutic schedule. The electrotherapeutic schedule can be reduced or terminated in response to a termination criterion being met. In some examples, the termination criterion is a current characteristic, such as a decrease in current conducted by the engaged biological tissue. In some examples, the termination criterion is a biological tissue resistance characteristic, such as an increase in the biological tissue resistance that exceeds a predetermined delta resistance value.SELECTED DRAWING: Figure 1

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.

Kidney stone removal system is disclosed having components including a handle mechanism, a nozzle tip, and a guiding device. The handle mechanism employs a trigger that enables control of irrigation and vacuum / suction. Depression of a trigger in the trigger mechanism conveys status of vacuum / suction and irrigation to a user by providing increased resistance at different points of depression. When the trigger is in a home (undepressed) position, irrigation and vacuum / suction are turned off. When the trigger is in a fully depressed position, irrigation and vacuum / suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum / suction remains turned off. The nozzle includes one or more irrigation ports positioned at a distal end of the nozzle and having an irrigation port departure angle of 30 to 60 degrees for directing irrigation fluid forward and laterally from the distal end of the nozzle. The guiding device is configured to be removably positioned in the nozzle for receiving a debris fragmentizing device, such as a laser device. The guiding device is configured to prevent an unintended movement of the fragmentizing device when the fragmentizing device is positioned in the nozzle while allowing fluid and debris to flow past the fragmentizing device and through a vacuum tube.

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.

An annuloplasty device is configured to mechanically deform annuloplasty tissue while providing structural disruption energy to induce plastic deformation. In some embodiments, the mechanical deformation includes vacuum-induced tissue attachment, optionally with or without additional operations to pull or extend the tissue. In some embodiments, the mechanical deformation includes torsional deformation of the tissue. Optionally, torsional deformation is limited by the device to a predetermined twist angle, such as in the range of 60 DEG to 120 DEG. In some embodiments, the torsional deformation includes rotating a shaft extending between tissue embedding needles of the device from a first angle oblique to the local circumference to a second angle and past an intermediate angle perpendicular to the local circumference. In some embodiments, a non-piercing transducer delivers structure disruption energy by contacting a surface of annulus tissue.

To provide a prostate treatment system capable of applying condensable vapor energy to tissue such as the prostate to shrink, damage, and denature the prostate.SOLUTION: A prostate treatment system includes an introducer shaft, a vapor generator configured to generate a condensable vapor, a vapor delivery needle in communication with the vapor generator and movably disposed within the introducer shaft, a wire configured to provide an electrical current to move the vapor delivery needle, a sensor configured to measure a characteristic of the electrical current flowing through at least a portion of the wire, and a controller configured to determine a state of the vapor delivery needle based on data from the sensor.SELECTED DRAWING: Figure 1C

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.