CN219070612U - Radio frequency ablation needle convenient to rapid cooling - Google Patents

Abstract

The utility model discloses a radio frequency ablation needle convenient for rapid cooling, which comprises a puncture needle tube, a puncture needle head, a graduated scale, a suction cavity and a suction port, wherein the puncture needle head is arranged at one end of the puncture needle tube. This radiofrequency ablation needle convenient to rapid cooling, the device is whole when using, through set up spiral catheter in the inside of the radiofrequency needle body, simultaneously through the setting of feed liquor coupling and flowing back coupling, with external cooling water leading-in, afterwards circulate, thereby make whole can carry out rapid cooling when using, thereby guarantee whole result of use, make whole can realize carrying out liquid cooling heat dissipation to the ablation syringe needle when using, thereby avoid peripheral moisture to run off too fast and influence the thermal ablation effect, simultaneously through miniature temperature sensor real time monitoring and regulation and control pathological change tissue department heating temperature in effective range, thereby effectively prevent the tissue carbomorphism, whole result of use is better.

Description

Radio frequency ablation needle convenient to rapid cooling

Technical Field

The utility model relates to the technical field of radio frequency treatment, in particular to a radio frequency ablation needle convenient for rapid cooling.

Background

The radio frequency ablation is a treatment mode which is developed more mature in the current minimally invasive treatment, a radio frequency needle is positioned and guided to be directly inserted into a focus by means of image technologies such as ultrasound or CT, high temperature is generated on local tissues of the focus by radio frequency energy, and the focus is dried to finally solidify and inactivate soft tissues and tumors. Radio frequency ablation has the following advantages: minimally invasive, the function of target organs is reserved to the maximum extent; fewer complications, quick recovery and easy acceptance by patients; the curative effect is definite, and the treatment can be repeated; the indications are wide; simple operation, reliable positioning and temperature control, etc.

When the existing radio frequency needle is used, high-frequency current vibrates tissue ions in a living body along the current change direction when the existing radio frequency needle is used for performing thermal ablation treatment, so that the tissue ions with current action around the electrode rub against each other to generate heat, and coagulation necrosis of the tissue is caused. The radio frequency electrode needle is accurately penetrated into the tumor target area through image guidance, ions around the electrode needle are subjected to high-frequency oscillation under the excitation of alternating current after ablation begins, the ions are rubbed and collided with each other to generate heat, and the radio frequency ablation temperature can reach 80-100 degrees. However, the water loss of the tissue is caused when the temperature is 45-50 ℃, the ablation effect is poor, the overall use effect is affected, and no effective solution is proposed at present aiming at the problems in the related technology, so that the method has certain defects in actual use.

Disclosure of Invention

The utility model aims to provide a radio frequency ablation needle convenient for rapid cooling, which aims to solve the problem that in the background technology, the radio frequency electrode needle is accurately penetrated into a tumor target area through image guidance, ions around the electrode needle are subjected to high-frequency oscillation under the excitation of alternating current after ablation starts, the ions are mutually rubbed and collided to generate heat, and the radio frequency ablation temperature can reach 80-100 degrees. However, the water loss of the tissue is caused when the temperature is 45-50 ℃, the ablation effect is poor, the overall use effect is affected, and no effective solution is proposed at present for the problems in the related art, so that the problem of certain defects is also caused when the device is actually used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a radio frequency ablation needle convenient to rapid cooling, includes puncture needle tube, puncture syringe needle, scale, absorbs the cavity and absorbs the mouth, the one end installation of puncture needle tube is provided with the puncture syringe needle, the inside of puncture syringe needle and puncture needle tube is provided with the radio frequency needle body, and has electrically conductive syringe needle in the one end installation society that the radio frequency needle body is close to the puncture syringe needle, the inside of the radio frequency needle body is provided with spiral catheter, the one end that electrically conductive syringe needle was kept away from to the radio frequency needle body is provided with screwed joint.

Preferably, the outer surface of the puncture needle tube is carved with graduated scales at equal intervals, the inside of the puncture needle tube is preset with a suction cavity, and suction ports are arranged in the suction cavity, which is close to the outside of the puncture needle head, at equal intervals in a surrounding and penetrating way;

by adopting the technical scheme, when the whole puncture device is used, the setting of the graduated scale is adopted, so that an operator can accurately control the puncture depth, and the whole puncture accuracy is higher.

Preferably, a discharge connector is arranged on the surface of one end side of the puncture needle tube far away from the puncture needle head, and the input end of the discharge connector is communicated with the inside of one side of the suction cavity in a penetrating way;

by adopting the technical scheme, when the whole tissue fluid suction device is used, surrounding tissue fluid can be sucked out quickly and conveniently, the efficiency is improved, and the whole use effect is ensured.

Preferably, a miniature temperature sensor is arranged on the outer surface of one side of the conductive needle in an embedded manner, one end of the threaded joint is arranged in one side of the radio frequency needle in an embedded manner, and the radio frequency needle is in threaded connection with the threaded joint;

adopt above-mentioned technical scheme to make wholly when using, can be quick rotate the spiral catheter of inside and unpick out, overhaul the change to make wholly when carrying out dismouting maintenance, holistic convenience is higher, makes holistic result of use better.

Preferably, the outer surface of one side of the threaded joint far away from the radio frequency needle body is provided with a liquid inlet pipe joint, the output end of the liquid inlet pipe joint is installed inside one side of the radio frequency needle body in a penetrating and conducting manner, and the output penetrating end of the liquid inlet pipe joint is in a penetrating and conducting manner with one end of the spiral catheter;

by adopting the technical scheme, the cooling water can be led in when the cooling water cooling device is used wholly, so that the cooling water circulation is performed, the rapid cooling is realized, and the use effect of the whole cooling water cooling device is ensured.

Preferably, a liquid draining pipe joint is arranged on the outer surface of one side of the threaded joint close to the liquid inlet pipe joint, the input end of the liquid draining pipe joint is installed in one side of the radio frequency needle body in a penetrating and conducting manner, and the input penetrating end of the liquid draining pipe joint is communicated with the output end of one side of the spiral liquid guiding pipe in a penetrating and conducting manner;

by adopting the technical scheme, the whole cooling device can be used for circularly cooling, so that the whole cooling effect is ensured, and the circulation operation is realized.

Compared with the prior art, the utility model has the beneficial effects that: this radiofrequency ablation needle convenient to rapid cooling:

1. when the device is used wholly, the spiral liquid guide pipe is arranged in the radio frequency needle body, meanwhile, external cooling water is led in through the arrangement of the liquid inlet pipe joint and the liquid outlet pipe joint, and then circulation is carried out, so that the whole can be cooled rapidly when in use, the whole use effect is ensured, the liquid cooling heat dissipation of the ablation needle head can be realized when the whole is in use, the heat ablation effect is prevented from being influenced by too fast peripheral water loss, meanwhile, the heating temperature of a lesion tissue part is monitored and regulated in real time through the miniature temperature sensor in an effective range, the carbonization of tissues is effectively prevented, and the whole use effect is better;

2. when the device is used integrally, the puncture needle tube and the puncture needle head are arranged outside the ablation needle head, so that the blunt conductive needle head can be quickly and accurately inserted into a focus, pain of a patient is relieved, and meanwhile, surrounding tissue liquid can be quickly and conveniently sucked out in the operation process through the arrangement of the suction cavity and the suction ports, the efficiency is improved, and the integral use effect is ensured;

3. the device is whole when using, through screwed joint's setting to make wholly rotate the spiral catheter of inside when using and unpick out, overhaul the change, thereby make wholly when carrying out dismouting maintenance, holistic convenience is higher, makes holistic result of use better.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model in an overall cross-section;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic view showing a split three-dimensional structure of a puncture needle tube and a puncture needle head according to the present utility model.

In the figure: 1. puncture needle tube; 2. a puncture needle; 3. a graduated scale; 4. sucking the cavity; 5. a suction port; 6. a discharge fitting; 7. a radio frequency needle body; 8. a conductive needle; 9. a miniature temperature sensor; 10. a threaded joint; 11. a liquid inlet pipe joint; 12. a liquid discharge pipe joint; 13. a spiral catheter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a radio frequency ablation needle convenient to rapid cooling, includingpuncture needle tube 1,puncture needle 2, scale 3,absorb cavity 4, absorb mouth 5,discharge joint 6, the radiofrequency needle body 7, electrically conductive syringe needle 8,miniature temperature sensor 9, screwedjoint 10,feed liquor coupling 11, flowingback coupling 12 andspiral catheter 13, the one end installation ofpuncture needle tube 1 is provided withpuncture needle 2, the inside ofpuncture needle tube 2 andpuncture needle tube 1 is provided with the radiofrequency needle body 7, and have electrically conductive syringe needle 8 in the one end installation society that radiofrequency needle body 7 is close topuncture needle 2, the inside of radiofrequency needle body 7 is provided withspiral catheter 13, the one end that electrically conductive syringe needle 8 was kept away from to the radiofrequency needle body 7 is provided with screwedjoint 10.

The outer surface of thepuncture needle tube 1 is provided with graduated scales 3 at equal intervals, the inside of thepuncture needle tube 1 is provided with asuction cavity 4 in advance, and suction ports 5 are arranged in thesuction cavity 4 near the outside of thepuncture needle 2 at equal intervals in a penetrating and conducting mode; thepuncture needle tube 1 is far away from the one end side surface mounting ofpuncture needle head 2 and is provided with thedischarge joint 6, and the input ofdischarge joint 6 runs through with the inside one side of absorbingcavity 4 and switches on, this radio frequency ablation needle is whole when using, through the setting ofpuncture needle tube 1 andpuncture needle head 2 in the outside, thereby can be with blunt conductive needle head quick accurate insert focus, thereby alleviate patient's misery, make whole result of use better, whole when using simultaneously, can be withdischarge joint 6 and external aspirator input switch on, thereby make whole in the in-process of performing the operation accessible start external aspirator, cooperate a plurality of suction ports 5 and the conduction setting of absorbingcavity 4 simultaneously, thereby can be quick convenient to the aspiration of surrounding tissue liquid, raise the efficiency, guarantee holistic result of use, thereby make whole use more convenient, whole use convenience is higher, whole result of use is better.

Themicro temperature sensor 9 is arranged on the outer surface of one side of the conductive needle 8 in an embedded manner, one end of the threadedjoint 10 is arranged in one side of theradio frequency needle 7 in an embedded manner, and theradio frequency needle 7 is in threaded connection with the threadedjoint 10; the outer surface of one side of the threadedjoint 10, which is far away from the radiofrequency needle body 7, is provided with a liquidinlet pipe joint 11, and the output end of the liquidinlet pipe joint 11 is installed inside one side of the radiofrequency needle body 7 in a penetrating and conducting manner, and the output penetrating end of the liquidinlet pipe joint 11 is in a penetrating and conducting manner with one end of thespiral catheter 13; thescrew joint 10 is close to one side surface mounting offeed liquor coupling 11 and is provided with flowingback coupling 12, and the input of flowingback coupling 12 runs through and switches on one side inside of installing atradio frequency needle 7, the input of flowingback coupling 12 runs through the end and switches on with one side output ofspiral catheter 13, the device is whole when using, monitor holistic service temperature throughminiature temperature sensor 9, simultaneously switch onfeed liquor coupling 11's input and external feed pump output, simultaneously switch on flowingback coupling 12's output and external cooling water bin, reach at a definite time when inside temperature, through the control external feed pump of start, thereby with the inside of cooling water importspiral catheter 13, thereby cool down, simultaneously through flowingback coupling 12 discharge, thereby make whole circulation use, thereby make holistic cooling effect better, and whole work efficiency is improved, thereby guarantee holistic result of use, holistic stability when using is higher.

Working principle: when the radio frequency ablation needle convenient for rapid cooling is used, the whole device is used, when the internalspiral catheter 13 is required to be taken out and replaced, only the threadedjoint 10 at one side is required to be rotated, and the threadedjoint 10 is loosened by rotation of the threadedjoint 10, so that the threadedjoint 10 is separated from one side of the radiofrequency needle body 7, the internalspiral catheter 13 can be taken out, the whole device is convenient to assemble and disassemble, the whole device is convenient to use, the whole practicality is improved, standard parts used in the device can be purchased from the market, special-shaped parts can be customized according to description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt the prior art, the conventional model and the circuit connection adopt the conventional connection modes in the prior art, and contents which are not described in detail in the specification belong to the prior art known to the person skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a radio frequency ablation needle convenient to rapid cooling, includes puncture needle tubing (1), pjncture needle (2), scale (3), absorbs cavity (4) and absorbs mouth (5), its characterized in that: the novel puncture needle is characterized in that a puncture needle head (2) is arranged at one end of the puncture needle tube (1), radio frequency needle bodies (7) are arranged in the puncture needle head (2) and the puncture needle tube (1), a conductive needle head (8) is arranged in one end of the radio frequency needle body (7) close to the puncture needle head (2), a spiral catheter (13) is arranged in the radio frequency needle body (7), and a threaded joint (10) is arranged at one end of the radio frequency needle body (7) far away from the conductive needle head (8).

2. A radio frequency ablation needle for facilitating rapid cooling as defined in claim 1, wherein: the outer surface equidistant carving of puncture needle tubing (1) is equipped with scale (3), the inside of puncture needle tubing (1) is equipped with in advance and absorbs cavity (4), and the outside equidistant surrounding that absorbs cavity (4) and be close to puncture syringe needle (2) is encircleed and is connected and be provided with suction opening (5).

3. A radio frequency ablation needle for facilitating rapid cooling as defined in claim 2, wherein: the puncture needle tube (1) is provided with a discharge joint (6) on the surface of one end side far away from the puncture needle head (2), and the input end of the discharge joint (6) is communicated with one side of the suction cavity (4) in a penetrating way.

4. A radio frequency ablation needle for facilitating rapid cooling as defined in claim 1, wherein: the miniature temperature sensor (9) is arranged on the outer surface of one side of the conductive needle head (8) in an embedded mode, one end of the threaded connector (10) is arranged inside one side of the radio frequency needle body (7) in an embedded mode, and the radio frequency needle body (7) is in threaded connection with the threaded connector (10).

5. A radio frequency ablation needle for facilitating rapid cooling as defined in claim 1, wherein: the outer surface of one side of the threaded joint (10) far away from the radio frequency needle body (7) is provided with a liquid inlet pipe joint (11), and the output end of the liquid inlet pipe joint (11) is installed inside one side of the radio frequency needle body (7) in a penetrating and conducting manner, and the output penetrating end of the liquid inlet pipe joint (11) is in a penetrating and conducting manner with one end of the spiral catheter (13).

6. The radiofrequency ablation needle convenient for rapid cooling according to claim 5, wherein: the external surface of one side of screwed joint (10) close to feed liquor coupling (11) is provided with flowing back coupling (12), and the input of flowing back coupling (12) runs through and switches on and install in the inside of one side of radio frequency needle (7), the input of flowing back coupling (12) runs through with one side output of spiral catheter (13) and switches on.

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