CN212261510U

CN212261510U - Be used for not having nerve radio frequency ablation equipment and system of wound

Info

Publication number: CN212261510U
Application number: CN202020980598.6U
Authority: CN
Inventors: 吉紫嫣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-01-01
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a non-invasive nerve radiofrequency ablation device and a system, which comprises a radiofrequency ablation instrument and a radiofrequency ablation catheter, the radio frequency ablation instrument is provided with a plurality of cable interfaces, the radio frequency ablation catheter comprises a working section, a catheter section, a body surface electrode section and a handle section, be equipped with a plurality of radio frequency ablation electrodes corresponding with body surface electrode section position in the working section, it is a plurality of the welding has many cables, and is a plurality of all be equipped with temperature sensor in the radio frequency ablation electrode, it is a plurality of the surface and the periphery of radio frequency ablation electrode all are equipped with pressure sensor, and are a plurality of the both sides of radio frequency ablation electrode all are equipped with the micropore of jettable carbon dioxide or normal saline, reduce the radio frequency in the at utmost and melt the damage to the non-target area, realize the accurate control of various pressure, temperature, impedance, power, further improve treatment and treatment accuracy.

Description

Be used for not having nerve radio frequency ablation equipment and system of wound

Technical Field

The utility model relates to a nerve radiofrequency ablation related products field specifically is a be used for not having nerve radiofrequency ablation equipment and system of wound.

Background

In recent years, the nerve ablation using the minimally invasive intervention technology is applied clinically and achieves better effect. Meanwhile, the radio frequency ablation technology is widely applied to treatment of heart, cancer, tumor, skin and other lesion tissues. When the radio frequency energy acts on human tissues, the temperature field is quickly attenuated near the conductor, so that the treatment point is concentrated, and the minimally invasive treatment is carried out on the focus through a tiny catheter type probe.

And aiming at the indication of nerve tissue damage or superficial body tissue damage, a noninvasive radio frequency ablation mode can be used for treatment, so that the effects of reducing the pain of a patient, shortening the operation time and the like are achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: aiming at the defects and shortcomings of the design of the existing invasive ablation catheter, a brand-new multifunctional non-invasive, efficient and accurate ablation system which is organized, managed and cavitated is disclosed, the damage of radio frequency ablation to a non-target area is reduced to the maximum extent, the accurate control of various pressures, temperatures, impedances and powers is realized, and the treatment effect and the treatment accuracy are further improved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for not having nervous radio frequency ablation equipment and system of wound, melts the pipe including radio frequency ablation appearance and radio frequency, be equipped with a plurality of cable interfaces on the radio frequency ablation appearance, the radio frequency melts the pipe and includes working section, pipe section, body surface electrode section and handle section, be equipped with a plurality of radio frequency ablation electrodes corresponding with body surface electrode section position in the working section, it is a plurality of many cables have been welded in the radio frequency ablation electrode, it is a plurality of all be equipped with temperature sensor in the radio frequency ablation electrode, it is a plurality of the surface and the periphery of radio frequency ablation electrode all are equipped with pressure sensor, and are a plurality of the micropore that can spray carbon dioxide or normal saline all is equipped with the metal and weaves shielding layer in working section and the pipe section, be equipped with the electrode line chamber that is linked together between working section and the pipe section, fill the chamber, temperature sensor wire chamber, A pressure sensor wire cavity and a shaping cavity.

Preferably, the working section is made of metal materials, and the top end of the working section is arranged in an arc surface.

Preferably, the number of the radio frequency ablation electrodes is not less than 1-72.

Preferably, the radiofrequency ablation electrodes are arranged in a straight line.

Preferably, the working section main body is made of high polymer materials, and the radio frequency ablation electrode is fixed on the working section in a pressing, bonding or injection molding mode.

Preferably, the spacing distance between the plurality of radio frequency ablation electrodes is 1mm-300 mm.

Preferably, the length of the conduit section is 10mm to 2000 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the front section of the ablation catheter is provided with a plurality of ablation electrodes, and the number of the ablation electrodes is 1-144; the electrodes have a length, preferably in the range of 0.01-20 mm; the material is in a regular state when being closely arranged, can be in a round shape or a polygonal shape, and has a diameter range of 0.01mm-20 mm; when the electrode is pushed forwards and the front end of the catheter is bent, the distribution is still kept in a regular state, and the preferred range of the diameter of the electrode is 0.01-100 mm; the working section of the ablation catheter bears the middle sections of the ablation electrodes, namely the middle sections of the strip-shaped connecting electrodes and the perfusion holes, namely the open cavity, and the damage of radio frequency ablation to a non-target area is reduced to the maximum extent through a non-invasive, efficient and accurate ablation system through tissues and a lumen, and one body surface electrode can correspond to a plurality of ablation electrodes; and one body surface electrode can correspond to one ablation electrode, and the connecting end of the body surface electrode can be freely stretched, so that the accurate control of various pressures, temperatures, impedances and powers is realized, and the treatment effect and the treatment accuracy are further improved.

Drawings

Fig. 1 is a schematic diagram of the system structure of the present invention;

fig. 2 is a schematic structural view of the radio frequency ablation catheter multi-body surface electrode of the present invention;

fig. 3 is a schematic structural view of the single meter electrode of the rf ablation catheter of the present invention;

fig. 4 is a schematic structural diagram of the inner structure of the conduit segment according to the present invention.

In the figure: the method comprises the following steps of 1-a radio frequency ablation instrument, 2-a radio frequency ablation catheter, 3-a working section, 4-a catheter section, 5-a body surface electrode section, 6-a handle section, 7-a radio frequency ablation electrode, 8-an electrode wire cavity, 9-a temperature sensor, 10-a pressure sensor, 11-a micropore, 12-a perfusion cavity, 13-a fixed cavity, 14-a temperature sensor wire cavity, 15-a pressure sensor wire cavity and 16-a metal woven shielding layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a device and a system for noninvasive nerve radio-frequency ablation comprise a radio-frequency ablation instrument 1 and a radio-frequency ablation catheter 2, wherein a plurality of cable interfaces are arranged on the radio-frequency ablation instrument 1, the radio-frequency ablation catheter 2 comprises a working section 3, a catheter section 4, a body surface electrode section 5 and a handle section 6, a plurality of radio-frequency ablation electrodes 7 corresponding to the body surface electrode section 5 are arranged in the working section 3, a plurality of cables are welded in the radio-frequency ablation electrodes 7, temperature sensors 9 are arranged in the radio-frequency ablation electrodes 7, pressure sensors 10 are arranged on the surfaces of the radio-frequency ablation electrodes 7, micropores 11 capable of spraying carbon dioxide or physiological saline are arranged on two sides of the radio-frequency ablation electrodes 7, metal woven shielding layers 16 are arranged in the working section 3 and the catheter section 4, an electrode wire cavity 8, a perfusion cavity 12 and a temperature sensor wire cavity 14 which are communicated with the working section 3 and the catheter section 4 are arranged, A pressure sensor lead cavity 15 and a shaping cavity 13.

The utility model discloses in, working section 3 comprises metal material, and the top is the cambered surface setting, can not have the natural chamber of wound entering and say, the quantity of radiofrequency ablation electrode 7 is not less than 1-72, radiofrequency ablation electrode 7 is the straight line and arranges, 3 main parts of working section are made for macromolecular material, radiofrequency ablation electrode 7 passes through the pressfitting, bonds or the mode of moulding plastics and fixes on working section 3, the spacing distance between a plurality of radiofrequency ablation electrodes 7 is 1mm-300mm, the total length of pipe section 4 is 10mm-2000 mm.

The working principle is as follows: the normal saline stored in the radiofrequency ablation instrument 1 is poured into a liquid passage of the radiofrequency ablation catheter 2 through an interface and is ejected out of a micropore 11, the radiofrequency ablation instrument is attached to a body surface electrode on a body surface electrode section 5, an ablation electrode is placed to the target position, whether the target tissue is completely attached is judged through a pressure sensor 10, the ablation temperature, time and safe impedance range are set, the radiofrequency ablation is started, when the radiofrequency ablation is started, the radiofrequency ablation instrument 1 can detect the tissue impedance between the radiofrequency ablation electrode 7 and the body surface electrode and record, when the radiofrequency ablation is started, the radiofrequency ablation instrument 1 starts to release power, an energy loop is formed between the radiofrequency ablation electrode 7 and the body surface electrode section, the tissue between the ablation electrode and the electrode starts to heat, a temperature sensor 9 of the radiofrequency ablation electrode 7 transmits a temperature signal to the radiofrequency ablation instrument 1, a temperature change curve is recorded and displayed until the ablation is finished, in the ablation process, once the temperature that temperature sensor 9 of radiofrequency ablation electrode 7 surveyed reaches the settlement temperature, then radiofrequency ablation instrument 1 begins to reduce the power of release, in order to maintain the settlement temperature, in the ablation process, the tissue between radiofrequency ablation electrode 7 and the body surface electrode can take place the degeneration because of being heated, the resistance value continues to reduce, radiofrequency ablation instrument 1 is with resistance signal record, show change curve and numerical value, until melting the end, in the ablation end process, the continuous normal atmospheric temperature of release or the normal atmospheric temperature of cooling or heating of normal saline pouring hole, carry out temperature control for the target position, after melting, radiofrequency ablation instrument sends the prompt tone.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be used for not having neural radio frequency ablation equipment of wound and system, includes radio frequency ablation appearance (1) and radio frequency ablation catheter (2), its characterized in that: the radio frequency ablation instrument (1) is provided with a plurality of cable interfaces, the radio frequency ablation catheter (2) comprises a working section (3), a catheter section (4), a body surface electrode section (5) and a handle section (6), a plurality of radio frequency ablation electrodes (7) corresponding to the body surface electrode section (5) in position are arranged in the working section (3), a plurality of cables are welded in the radio frequency ablation electrodes (7), a plurality of temperature sensors (9) are arranged in the radio frequency ablation electrodes (7), pressure sensors (10) are arranged on the surfaces and the periphery of the radio frequency ablation electrodes (7), micropores (11) capable of spraying carbon dioxide or normal saline are arranged on two sides of the radio frequency ablation electrodes (7), the working section (3) is connected with the catheter section (4) through a pipe formed by a high polymer material, metal woven shielding layers (16) are arranged in the working section (3) and the catheter section (4), an electrode wire cavity (8), a perfusion cavity (12), a temperature sensor lead cavity (14), a pressure sensor lead cavity (15) and a shaping cavity (13) which are communicated are arranged between the working section (3) and the catheter section (4).

2. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the working section (3) is made of metal materials, and the top end of the working section is arranged in an arc surface mode.

3. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the number of the radio frequency ablation electrodes (7) is not less than 1-72.

4. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the radiofrequency ablation electrodes (7) are linearly arranged.

5. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the main body of the working section (3) is made of high polymer materials, and the radio frequency ablation electrode (7) is fixed on the working section (3) in a pressing, bonding or injection molding mode.

6. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the spacing distance between the plurality of radio frequency ablation electrodes (7) is 1mm-300 mm.

7. The apparatus and system for non-invasive nerve radiofrequency ablation of claim 1, wherein: the total length of the conduit section (4) is 10mm-2000 mm.