338 results about "Rf ablation" patented technology

Aspects of the present disclosure relate to flexible catheters for electrophysiological mapping and ablation using high-density electrode arrays. These catheters can be used to detect the electrophysiological properties of tissue in contact with the electrodes and perform monopolar and bipolar ablation of the tissue.

The invention discloses a radiofrequency ablation navigation device based on multi-modal image fusion. The device comprises a respiration sensor, an image reconstruction server, an interaction terminal and a processor. The respiration sensor is worn on a target object and used for collecting respiration data of the target object. The image reconstruction server is used for receiving the multi-modal image of the target object and reconstructing the multi-modal image into a three-dimensional model; the three-dimensional model comprises an organ geometric model, nerve distribution and a blood vessel network. And the interaction terminal is connected with the image reconstruction server and is used for marking a starting point and an ending point for the three-dimensional model. The processor is connected with the respiration sensor, the image reconstruction server and the interaction terminal; and the processor generates a predicted path output according to the respiration data and the three-dimensional model marking the starting point and the ending point. The method has the advantages that respiratory movement errors are accurately compensated, the nerve mistaken injury risk is reduced, and the operation safety is improved.

Treatment of damaged, diseased, abnormal, obstructive, cancerous or undesired tissue (e.g. a tumor, a benign tumor, a malignant tumor, a cyst, or an area of diseased tissue, etc) is provided by delivering specialized pulsed electric field energy to target tissue areas in a specific dose so as to obtain a superior outcome. The specialized PEF energy and delivery has been optimized to provide advanced treatment of target tissue areas, including destruction of undesired tissue and generation of improved inflammatory and immune responses. The specialized PEF energy provides superior outcomes to radiofrequency ablation and irreversible electroporation.

The invention provides a radiofrequency ablation catheter and a radiofrequency ablation system. The radiofrequency ablation catheter comprises a balloon, an inner tube, a guide wire tube, an outer sleeve and a radiofrequency electrode, the near end of the balloon is provided with a near-side tube section extending along the longitudinal axis of the balloon; the inner tube is provided with an inflation cavity and a guide wire tube penetrating cavity which are not communicated with each other, the far end of the inner tube is inserted into the near-side tube section, the inner tube is in sealed connection with the near-side tube section, and the far end of the inflation cavity is communicated with an inner cavity of the balloon; the far section part of the guide wire tube extends out of the far end of the guide wire tube penetrating cavity and extends to an inner cavity of the balloon, and the guide wire tube is in sealed connection with the guide wire tube penetrating cavity; the outer sleeve is arranged outside the inner tube in a sleeving mode, the far end of the outer sleeve is connected with the near-side tube section, a gap is formed in the joint, and a threading cavity between the outer sleeve and the inner tube is used for containing a cable; the radio frequency electrode is provided with a far-side ablation area and a near-side wiring area connected with the cable, extends to the gap from the near-side wiring area to the far-side ablation area along the threading cavity, penetrates out of the gap and then is attached to the surface of the near-side pipe section to extend to the outer surface of the balloon.

The utility model relates to a bipolar water-cooling radiofrequency ablation needle, and belongs to the technical field of medical instruments. The bipolar water-cooling radiofrequency ablation needle mainly comprises a needle head arranged at the farthest end of the ablation needle; the inner needle tube is a long and thin tube which is through front and back, and the needle head is connected with the inner needle tube; the outer needle tube is arranged outside the inner needle tube in a sleeving manner, and an insulating separator is arranged between the outer needle tube and the needle head; a middle insulating sleeve is also arranged between the outer needle tube and the inner needle tube; the water inlet pipe is arranged in the inner needle tube and divides an inner cavity of the inner needle tube into a water inlet channel and a water return channel. The cold cutting water cools the needle head, so that the temperature of the working end of the radiofrequency ablation needle can be effectively reduced, and tissue carbonization and adhesion are avoided.

The embodiment of the invention provides an ablation assembly, a radiofrequency ablation catheter and a manufacturing method, and belongs to the technical field of radiofrequency ablation. The ablation assembly comprises a cage-shaped support capable of contracting and expanding in the radial direction and a first ablation electrode, the cage-shaped support comprises a plurality of supporting arms distributed at intervals in the circumferential direction of the cage-shaped support, each supporting arm comprises a trunk and a branch, the near end and the far end of the cage-shaped support are formed at the two ends of the trunks respectively, one end of each branch is connected with the corresponding trunk, and the other end of each branch is a free end. The first ablation electrode is arranged on the branch; when the cage-shaped bracket is in a contraction state, the extension direction of the branches is parallel to the extension direction of the trunk; when the cage-shaped support is in an expansion state, the trunk is bent outwards, and the first ablation electrode is attached to the blood vessel wall by means of resilience force of the branches. The cage-shaped support in the ablation assembly is small in shrinkage size and simple in structure, and the ablation electrode is good in wall attaching performance.

The invention relates to a radiofrequency ablation combined electrode needle and an ablation system, and relates to the technical field of ablation. The radiofrequency ablation combined electrode needle comprises a main needle, a plurality of sub-needles and a handle assembly used for adjusting the main needle and the sub-needles, the main needle comprises a needle head assembly and a needle rod assembly, and the needle rod assembly comprises a first inner tube, a second inner tube and a needle rod which are sequentially and coaxially arranged from inside to outside; the far end of the second inner tube is fixedly connected with the near end of the needle head assembly, a guide groove is formed between the far end of the needle rod and the near end of the needle head assembly, and the needle rod can move relative to the needle head assembly to change the width of the guide groove.

The title of the invention is "using blood conductivity to control cardiac ablation". Methods and systems provide lesion size assessment for ablation in tissue, such as cardiac tissue. The lesion size assessment is based on parameters including blood conductivity, hot spot temperature, catheter tip temperature, and current data of radio frequency (RF) ablation energy used, such as power, duration, temperature, irrigation, and contact force.

The utility model discloses a heat shrink tube slitting device which is located on one side of a top plate and provided with a supporting seat on a bottom plate, a vertical driving mechanism is installed on the supporting seat, the movable end of the vertical driving mechanism is connected with the top plate, the top plate is connected with a plurality of connecting seats, and a plurality of annular tool bits are rotatably installed at the bottoms of the connecting seats. The upper surface of the bottom plate is provided with a first mounting base with a first arc-shaped groove formed in the top, second mounting bases with second arc-shaped grooves formed in the top, and a plurality of second mounting bases located on one side of the first mounting base and arranged in the length direction of the bottom plate at intervals. The first arc-shaped groove and the second arc-shaped groove which are used for placing the radiofrequency ablation needle are coaxially arranged, and a first groove which is internally provided with two driving rollers is arranged below the first arc-shaped groove and at the top end of the first mounting seat. Passive cutting of the heat shrink tube is achieved, the situation that the radio frequency ablation needle is damaged due to excessive cutting is avoided, the machining yield can be improved, and unnecessary waste is reduced.

The embodiment of the invention provides a radiofrequency ablation catheter and radiofrequency ablation equipment. The radiofrequency ablation catheter comprises an electrode support capable of contracting and expanding in the radial direction, a connecting tube and a center wire. The near end of the connecting tube is connected with the far end of the electrode support, and the connecting tube is provided with a first cavity channel penetrating through the near end and the far end; the central wire is movably arranged in the electrode bracket and the first cavity in a penetrating manner; a first limiting part is arranged on the center wire, the first limiting part is located in the first cavity channel, and a second limiting part is correspondingly arranged on the inner wall of the first cavity channel; when the first limiting part abuts against the second limiting part and the center wire moves from the far end to the near end, the electrode support is switched from the contraction state to the expansion state. According to the technical scheme, the risk of damaging the blood vessel can be reduced, the precision of selecting the target branch blood vessel by the central wire is improved, and then the ablation efficiency of radiofrequency ablation is improved.

An integrated cannula / RF electrode for an RF ablation system includes a cannula including a cannula hub and a shaft extending from the cannula hub, wherein the shaft includes a distal portion; an RF electrode including a distal portion, wherein at least a portion of the RF electrode is permanently disposed within the cannula; and a deployment mechanism coupled to the RF electrode and either coupled to the cannula hub or extending from the cannula hub, wherein the deployment mechanism includes an actuator coupled to the RF electrode and is configured to extend the distal portion of the RF electrode out of the distal portion of the shaft of the cannula by actuation of the actuator.

The invention provides a radiofrequency ablation catheter, a flexible electrode of the radiofrequency ablation catheter and a radiofrequency ablation system. The flexible electrode comprises a flexible metal electrode layer, a lining plate layer, a first flexible conductor layer, a substrate layer and a second flexible conductor layer which are sequentially arranged in a stacked mode, the lining plate layer and the substrate layer are made of flexible insulating materials, and a power connection area of the flexible metal electrode layer is used for being connected with the far end of a radio frequency cable of the radio frequency ablation catheter. The far end of the flexible metal electrode layer is provided with a radio frequency conduction area used for conducting radio frequency energy to target tissue, the far end of the substrate layer is provided with an electric connection part, and the far end of the second flexible conductor layer is electrically connected with the far end of the first flexible conductor layer through the electric connection part. The orthographic projection of the joint of the far ends of the first flexible conductor layer and the second flexible conductor layer and the electric connection part on the first surface falls in the radio frequency conduction area, and the near ends of the second flexible conductor layer and the first flexible conductor layer are used for being connected with the far ends of two wires of the radio frequency ablation catheter to form a thermocouple loop.

The invention discloses an efficient water-cooling circulating radiofrequency ablation needle which comprises a radiofrequency ablation needle body, an ablation needle handle, a Y-shaped water tank, an outflow pipe, an external outflow pipe, an inflow pipe, an external inflow pipe, an inner needle cooling liquid inflow pipe, a temperature thermocouple, an inner needle galvanic couple wire, a radiofrequency needle positive electrode connecting wire, a negative electrode patch and the like. According to the invention, more efficient water-cooling circulating cooling of the tip of the radio frequency needle is realized by adopting an efficient convection water-cooling circulating structure design; the needle tip part of the radiofrequency ablation electrode adopts a novel development structure or an ultrasonic development coating, so that the development of the needle tip part of the electrode under ultrasonic guidance can be remarkably improved; a spiral nut double-sealing-ring buckle structure is innovatively designed for the water circulation Luer taper of the radiofrequency ablation needle, and the sealing performance and stability of a water pipe connector are remarkably improved; the radiofrequency ablation electrode needle has an efficient and stable water-cooling circulation system and development positioning.

The plasma radio frequency ablation electrode comprises an electrode sub-needle, an electrode insulating layer and a metal loop electrode, wherein the electrode sub-needle, the electrode insulating layer and the metal loop electrode are coaxially connected in a sleeved mode from inside to outside and are tightly matched with one another. One end of the metal loop electrode is provided with a reducing structure which extends along the central axis direction and has an enlarged aperture; an assembly space is formed between the variable-diameter structure and the electrode insulating layer extending into the variable-diameter structure; a reinforced insulating layer is arranged in the assembly space; the electrode sub-needles, the electrode insulating layers and the reinforcing insulating layers are all provided with extending parts extending out of the diameter changing structures, and the electrode sub-needles are provided with working ends extending out of the extending parts of the electrode insulating layers. Two layers of insulation protection are added between the electrode sub-needle and the metal loop electrode, so that the phenomenon that an electrode insulation layer is broken down or fails due to long-time work of the radiofrequency ablation electrode is effectively reduced, and the durability and the stability of the radiofrequency ablation electrode in use are effectively improved.

The invention discloses a radio frequency signal generator for radio frequency ablation, and belongs to the technical field of signal generators. The invention aims to solve the problems of high complexity and poor stability of generated signals of an existing radiofrequency ablation signal generator. A main control module sends frequency, amplitude and phase setting commands to a main channel and an auxiliary channel of a DDS module according to required radio frequency ablation signals; the DDS module respectively outputs a radio frequency ablation signal and a radio frequency measurement signal with corresponding frequency, amplitude and phase from the main channel and the auxiliary channel according to a set command; the linear power amplifier and impedance matching module carries out amplification and impedance matching on the radiofrequency ablation signal and then outputs the radiofrequency ablation signal to an ablation catheter; the VIP measurement module monitors a radio frequency ablation signal or a radio frequency measurement signal fed back by the ablation catheter in real time, and the main control module compares the feedback signal with the required radio frequency ablation signal and sends an adjustment control signal to the DDS module in real time. The method is suitable for generating radio frequency ablation signals.

The invention discloses a personalized arrhythmia radiofrequency ablation system based on intelligent data analysis, and the system comprises a pressure stimulation module which is configured to apply periodic mechanical pressure stimulation to a specific anatomical site of a heart through an ablation catheter, the contact force range of the pressure stimulation is 5-10 g, and the frequency is 1-3 Hz; the autonomic nerve state recognition module is used for collecting heart rate change data of the patient after pressure stimulation in real time, and when the absolute value of the heart rate change exceeds 15% of a base line, it is judged that the patient enters an autonomic nerve sensitive window phase; the dynamic ablation strategy generation module is used for dynamically adjusting a radio frequency energy release mode and an ablation target priority according to the autonomic nerve sensitive window phase type, the sympathetic dominant type or the parasympathetic dominant type; according to the invention, by taking'neural interference conversion-dynamic energy adaptation-intelligent marking verification 'as a core, all-round breakthrough is realized from technical principle, clinical effect to application cost, and an accurate, safe and popular innovative scheme is provided for arrhythmia treatment.

The invention provides a radiofrequency ablation system based on multi-source data, and relates to the technical field of medical instruments, and the system comprises an ablation area judgment device which is used for judging whether an operation target meets the ablation requirement or not according to a real-time ultrasonic image of the operation target; the data processing device is used for determining an ablation strategy of an ablation area of the operation target according to the real-time electrocardiogram data and the real-time vital sign data of the operation target in combination with a preset radiofrequency ablation working mode when the operation target meets the ablation requirement; the radio frequency energy generating device is used for generating corresponding radio frequency energy according to the ablation strategy; and the ablation device is used for performing ablation operation according to the radio frequency energy action. By integrating multi-source data such as real-time ultrasonic images, electrocardiogram monitoring and vital sign monitoring, accurate judgment of ablation requirements, dynamic adjustment of ablation strategies and accurate output of ablation energy are achieved, and the safety, accuracy and curative effect of cardiac radiofrequency ablation treatment are improved.

The invention relates to a sub-needle expansion structure of a radio frequency ablation needle and the radio frequency ablation needle, and relates to the technical field of ablation. The sub-needle expansion structure of the radiofrequency ablation needle comprises the sub-needle driving mechanism and the sub-needle anti-bending mechanism, and the sub-needle anti-bending mechanism can be adjusted in position along with the movement of the sub-needle bundles, so that the sub-needle anti-bending mechanism can be always positioned in the middle of the segmented sub-needle bundles; therefore, supporting and restraining are provided for the segmented sub-needle bundles in the middle positions of the segmented sub-needle bundles, and the phenomenon that the sub-needle bundles are bent is avoided.

The invention provides an ablation needle assembly and an ablation system. The ablation needle assembly comprises a hollow outer sleeve and an ablation needle, the outer sleeve is movably arranged outside an electrode needle body of the ablation needle in a sleeving mode and is detachably and rotatably connected with an ablation handle, so that after ablation operation is completed, the ablation needle and the outer sleeve can be detached, the outer sleeve is still left in tissue, a channel is provided for other operations such as biopsy, and the ablation needle assembly is simple in structure and convenient to use. Repeated puncture is avoided, damage to tissue is reduced, and biopsy operation can be more convenient and efficient. Furthermore, the ablation handle is rotationally connected with the outer sleeve, so that the ablation handle can drive the electrode needle main body to rotate relative to the outer sleeve when rotating relative to the outer sleeve, that is, the outer sleeve and the electrode needle main body are not of an integrated structure, and when the ablation needle needs to be rotated, the outer sleeve can be kept not rotating, so that damage to tissues is reduced; and the rotation resistance is small. Therefore, the ablation needle assembly and the ablation system are particularly suitable for radiofrequency ablation treatment of hypertrophic cardiomyopathy.

The embodiment of the specification provides a radiofrequency ablation device for ablating ocular tissue, the device comprising: an electrode comprising an electrode needle with a needle tip, the needle tip of the electrode needle being configured to be able to extend into an eye; the ablation host is connected with the electrode through a transmission line, and the ablation host comprises a control module, a radio frequency module and an information reading module; two ends of the radio frequency module are respectively connected with the electrode and the control module, and the radio frequency module is configured to provide radio frequency energy for the electrode based on an instruction of the control module; the two ends of the information reading module are connected with the electrodes and the control module respectively, and the information reading module is configured to be capable of reading electrode information of the electrodes and transmitting the electrode information to the control module.

The invention relates to the technical field of medical image processing and three-dimensional reconstruction, and particularly discloses a reconstruction and analogue simulation method based on a cardiac image. The method comprises the following steps: firstly, preprocessing an input CT or MRI medical image, and automatically segmenting a heart multi-tissue structure by using an nnUNetv2 model, including a plurality of anatomical regions such as atrium, ventricle, myocardial tissue and blood pool; and then performing topology repair, smoothing processing and label resampling on the segmentation result to obtain a three-dimensional label body with a continuous structure and a complete boundary. And based on the optimized tag body, constructing a heart three-dimensional surface model by adopting a Marching Cubes algorithm, and generating a multi-material volume grid suitable for finite element analysis. According to an electrode position and a radio frequency parameter set by a user, a radio frequency ablation simulation model based on a Pennes biological heat conduction equation and an Arrhenius model is established, a temperature field and a tissue thermal damage range are calculated, and a simulation result is displayed in a three-dimensional mode in an overlapping mode. According to the method, the integrated process from medical image automatic segmentation to heart three-dimensional reconstruction and thermal simulation is realized, the segmentation precision, the modeling efficiency and the simulation reliability are improved, and the method can be applied to application scenes such as surgical planning, preoperative evaluation and medical teaching.

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.

The radiofrequency ablation electrode comprises a front ablation needle, the right end of the front ablation needle is connected with the left end of a front needle connecting rod, the front needle connecting rod is sleeved with a slidable sub-needle connecting pipe, the sub-needles are arranged in the circumferential direction of the left end of the sub-needle connecting pipe, and the sub-needles are arranged in the circumferential direction of the sub-needle connecting pipe. The child needle connecting pipe is sleeved with a slidable radiofrequency ablation rod, the left end of the radiofrequency ablation rod is an ablation rear needle, and the diameter of the front needle connecting rod is smaller than that of the ablation front needle. By means of the simple and stable structure, the problem that the ablation range of an existing single-needle radiofrequency ablation electrode is small is solved, the problem that the ablation range is uncontrollable due to the fact that the extending direction of the sub-needles of a multi-needle radiofrequency ablation electrode is uncertain is solved, and the multi-needle radiofrequency ablation electrode is practical, safe and reliable.

The invention relates to a radiofrequency ablation catheter and a radiofrequency ablation device. The radiofrequency ablation catheter comprises a main body tube; a control handle; the mesh basket structure has an expansion configuration and a contraction configuration and can be switched between the expansion configuration and the contraction configuration, the mesh basket structure comprises a reference electrode, a supporting tube, a plurality of flexible branches and a plurality of ablation electrodes, the reference electrode is arranged in the mesh basket structure, the supporting tube is arranged in the main body tube, and the flexible branches are arranged in the main body tube. Each flexible branch is provided with a plurality of ablation electrodes which are arranged at intervals in the length direction of the flexible branch; the mesh basket structure is in the contraction configuration, a first impedance value exists between the ablation electrode and the reference electrode, the mesh basket structure is in the expansion configuration, a second impedance value exists between the ablation electrode and the reference electrode, and the attaching property of the ablation electrode to the inner wall of the blood vessel is determined according to the ratio of the second impedance value to the first impedance value. The target tissue is efficiently treated, and the ablation depth of the radiofrequency ablation catheter is improved.

The flexible radiofrequency ablation electrode comprises a holding handle, an electrode rod, a protective sleeve, an electrode rod control handle and a puncture needle head, the electrode rod is connected with the holding handle, the electrode rod is sleeved with the protective sleeve, the puncture needle head is arranged at the front end of the electrode rod, and the electrode rod control handle is connected with the electrode rod through a telescopic mechanism. The electrode stem can controllably contract or extend out of the sheath tube for puncturing under the action of the electrode stem control handle, a cooling mechanism is arranged in the electrode stem, and the electrode tip can be controllably cooled by the cooling mechanism. The method has the advantages that the radiofrequency ablation electrode is placed through the working clamp channel of the ultrasonic endoscope, the electrode is guided by the ultrasonic endoscope to the diseased region, and then the puncture needle is used for directly puncturing the diseased region, so that in-vitro puncture is avoided, the puncture distance is shortened, and damage to normal tissues in the puncture process is reduced; the thermocouple and the cooling mechanism are arranged, so that temperature-controlled ablation can be realized, the temperature of the needle head is controlled within 100-90 DEG C, heat injury is prevented, and the risk of postoperative pancreatitis is reduced.

A radiofrequency ablation electrode needle with multi-dimensional nerve monitoring, comprising a nerve monitoring flexible electrode, a radiofrequency thermocoagulation electrode, and three knob modules for adjusting the angle of the nerve monitoring flexible electrode. The X-axis rotation knob, Y-axis rotation knob, and Z-axis telescopic knob are respectively arranged on a triangular fixing seat. The X-axis rotation knob, Y-axis rotation knob, and Z-axis telescopic knob are respectively connected to the nerve monitoring flexible electrode through control cables. The front end of the triangular fixing seat is fixedly connected to the radiofrequency thermocoagulation electrode, and the rear end is docked with a cable. Compared with the prior art, the multi-dimensionally extendable electrode head of the present invention penetrates from the head end of the radiofrequency thermocoagulation electrode, and can achieve deflection in the front, back, left, and right directions in the X / Y directions and telescoping in the Z direction. The detection position of the flexible electrode head can be controlled by the X / Y / Z knobs. The monitoring electrode of the present invention can comprehensively monitor the ablated nerve lesion part, and to a certain extent, avoid the problems of incomplete nerve destruction or excessive nerve destruction.

The present application relates to the field of medical device technology, and specifically to a radiofrequency ablation system for solid tumors and a radiofrequency parameter control method, the method comprising: real-time acquisition of power value, temperature value and pressure value during radiofrequency ablation; based on the difference between the temperature at the end of preheating and the preset target temperature during radiofrequency ablation, and the time required from the start of preheating to the moment when the temperature change trend changes, determine the degree of interference of the temperature of the lesion tissue during the preheating stage; determine the sedimentation influence of the lesion tissue; based on the temperature change amount and pressure change amount at each sampling moment relative to the previous sampling moment in the actual ablation stage, and the difference between the preset target temperature and the temperature value at each sampling moment, determine the ablation intervention degree at each sampling moment; obtain the power value at the next sampling moment during radiofrequency ablation. The present application aims to improve the treatment effect on solid tumors by dynamically controlling the radiofrequency parameters during radiofrequency ablation.

The utility model discloses radiofrequency ablation operation equipment which comprises a hard outer tube, a soft inner tube, a partition plate, a hard conductive tube, an insulating part, an emitting electrode, a thermocouple, a first traction wire and a second traction wire. The soft inner pipe is sleeved with the hard outer pipe, and one end of the soft inner pipe is led out of the hard outer pipe. The partition plate divides the inner space of the soft inner pipe into a first pipe cavity and a second pipe cavity. And the hard conductive tube is propped against one end of the soft inner tube, which is led out of the hard outer tube. The insulating part abuts against the end, away from the hard outer tube, of the hard conductive tube. The emitting electrode comprises an electrode wire and an emitting head, and the electrode wire is arranged in the first tube cavity and electrically connected with the emitting head. The thermocouple is arranged in the second tube cavity and one end of the thermocouple is located in the hard conductive tube. And the first traction wire and the second traction wire are arranged in the first tube cavity and are connected with the hard conductive tube. According to the radiofrequency ablation operation equipment, the temperature around the transmitting head can be monitored in real time, and the angle of the transmitting head can be flexibly adjusted.

The invention provides an ultrasonic imaging ablation system and device, and relates to the technical field of medical instruments, the ultrasonic imaging ablation system comprises a system interface module and an ultrasonic imaging radiofrequency ablation catheter; a sheathing canal component of the ultrasonic imaging radiofrequency ablation catheter comprises a main control chip, an ultrasonic transducer and an ablation device. The main control chip and the ablation device are connected to the host through the system interface module; the system interface module is used for responding to the control mode of the host to control the conduction state of the first communication interface and / or the second communication interface so as to carry out signal transmission on the ultrasonic transducer; and / or the operation state of the ablation device is controlled. The radiofrequency ablation function and 4D intracardiac ultrasound imaging are integrated on the same catheter, the advantages of the radiofrequency ablation function and the 4D intracardiac ultrasound imaging can be combined, and the clinical operation process is simplified. The ultrasonic transducer of the same catheter can provide accurate positioning for the radiofrequency ablation position, and can better control the operation process by combining real-time imaging and a feedback mechanism, so that only a predetermined target area is influenced, and the misoperation risk is reduced.

The invention provides a radiofrequency ablation instrument for treating heart diseases, and relates to the technical field of medical equipment. The radiofrequency ablatometer comprises a man-machine interaction device, a data processing device, a radiofrequency energy generating device, an ablation device, an ablation parameter acquisition device, a twelve-lead ECG signal acquisition device, an ultrasonic image acquisition device, a vital sign monitoring acquisition device and a circulating cooling device which are respectively connected with the radiofrequency energy generating device and the ablation device, the cooling device is used for supplying cooling liquid to the ablation device; the data processing device controls power output of the radio frequency energy generating device according to the twelve-lead ECG signals and ablation parameters, and the man-machine interaction device displays ultrasonic images, vital sign parameters and ECG data. According to the invention, concentrated display and linkage analysis of ultrasonic images, twelve-lead ECG signals and vital sign parameters are realized for the first time, and the device can be widely applied to percutaneous intracardiac radiofrequency ablation treatment of hypertrophic cardiomyopathy, cardiac tumor and other diseases, and has extremely high clinical application value.