CN216628694U

CN216628694U - Ablation electrode

Info

Publication number: CN216628694U
Application number: CN202122621309.0U
Authority: CN
Inventors: 宋祥锐
Original assignee: Guangzhou Arahelio Biological Technology Co ltd
Current assignee: Guangzhou Arahelio Biological Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-31
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an ablation electrode which comprises a barrel, wherein grooves are formed in the outer walls of two sides of the barrel, two sliding grooves are formed in the outer walls of two sides of the barrel, a push plate penetrating through the grooves is connected to the inner portions of the sliding grooves in a sliding mode, a needle cylinder penetrating through the barrel is connected to the center of the outer wall of the bottom of the push plate in a threaded mode, limiting screw buttons are connected to the positions, close to the two sides, of the outer wall of one side of the push plate in a threaded mode, nuts are connected to the inner portions of the sliding grooves in a sliding mode, one end of each limiting screw button is connected to the inner portion of each nut in a threaded mode, and a rotary cover is installed at the top end of the barrel through a bearing. According to the utility model, medical personnel can push the push plate to slide in the sliding groove, and then the length of the needle cylinder extending out of the cylinder body is limited through the matching of the limiting screw button and the nut, so that the control of the length of the ablation electrode is realized, the radiofrequency ablation treatment can be accurately carried out on the operation position, the medical personnel can rotate the screw cap, the screw rod is rotated, the insertion cylinder drives the electrode needle to slide in the needle cylinder, the electrode needle extends to the operation position, and the operation difficulty is favorably reduced.

Description

Ablation electrode

Technical Field

The utility model relates to the technical field of medical radio frequency ablation equipment, in particular to an ablation electrode.

Background

The radio frequency ablation technology is used for nerve treatment, soft tissue injury and relieving intervertebral soft tissue pressure, such as diseases of trigeminal neuralgia, lumbar disc herniation and the like, the radio frequency ablation is carried out by inserting a puncture needle into diseased tissue, releasing radio frequency energy through an electrode needle, forming a loop with an electrode plate, and increasing the temperature of the diseased tissue through joule heat generated by ion conduction current in the biological tissue and heat generated by dielectric loss of the biological tissue in a high-frequency electromagnetic field so as to achieve the treatment purpose, the treatment range and the treatment effect are related to the temperature of the tissue, and the temperature is determined by the applied energy, the heating rate and the heat-sensitive characteristic of the tissue. Heating at 42-45 deg.C for 30-60 min usually results in irreversible denaturation of intracellular proteins (including membrane proteins). When the tissue temperature is raised to 60 ℃, the time for the cells to generate irreversible damage is greatly shortened. When the temperature exceeds 60 ℃, the protein is denatured, and the cells die within a moment, thereby achieving the treatment effect.

At present, the length of a needle cylinder inserted into a human body cannot be controlled when the existing radio frequency ablation electrode is ablated, so that the operation effect is influenced, and meanwhile, the operation of medical personnel is influenced due to the inconvenience in operation of the existing radio frequency ablation electrode, so that the problem needs to be solved by designing an ablation electrode urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing radio frequency ablation electrode in the prior art is inconvenient to control the length and operate, and provides an ablation electrode.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an ablation electrode, includes the barrel, all set up flutedly on the outer wall of barrel both sides, all set up two spouts on the outer wall of barrel both sides, and the inside sliding connection of spout has the push pedal that passes the recess, push pedal bottom outer wall center department threaded connection has the cylinder that passes the barrel, push pedal one side outer wall is close to the equal threaded connection of both sides department and has spacing knob, the inside sliding connection of spout has the nut, spacing knob one end threaded connection is inside the nut.

Further, the spiral cover is installed on the barrel top through the bearing, and the lead screw is installed through the parallel key in spiral cover bottom outer wall center department.

Furthermore, the screw rod is externally connected with an inserting cylinder through threads, and the bottom end of the inserting cylinder is connected with an electrode needle inserted in the needle cylinder through threads.

Further, the inner wall of the side face of the barrel body close to the top end is provided with guide grooves distributed in an annular structure at equal intervals, the outer wall of the side face of the inserting barrel is integrally formed with sliding blocks distributed in an annular structure at equal intervals, and the sliding blocks are connected inside the guide grooves in a sliding mode.

Furthermore, the top end of the screw cap is inserted with a connecting wire extending to the inside of the screw rod, and the connecting wire is electrically connected with the electrode needle.

Further, the shell is installed through the bolt near bottom department to barrel one side outer wall, and installs the air pump through the bolt on the casing bottom inner wall, install the button switch who extends to the casing outside through the bolt on the casing one side inner wall.

Further, an annular air cavity is formed in the outer wall of the bottom of the barrel, an air pipe extending into the air cavity is inserted into the outer wall of one side of the barrel, and one end of the air pipe is communicated with the air pump.

The beneficial effects of the utility model are as follows:

1. through push pedal, the spacing knob that sets up, when using this ablation electrode equipment, medical personnel can promote the push pedal and slide in the spout is inside, then the length of stretching out the barrel through the cooperation restriction cylinder of spacing knob and nut to the realization is to the control of ablating electrode length, so that carry out the radiofrequency ablation treatment to the operation department accurately.

2. Through spiral cover, the lead screw that sets up, when using this equipment to perform the operation, medical personnel can rotate the spiral cover for the lead screw rotates, thereby makes and inserts a section of thick bamboo and drives the electrode needle and slide in that the cylinder is inside, so that make the electrode needle extend the operation department, be favorable to reducing the degree of difficulty of operation.

3. Through the air pump and the air cavity that set up, when using this equipment operation, medical personnel can start the air pump through key switch for the air pump is bled to the air cavity inside, makes barrel bottom adsorb on patient's body, thereby fixes this equipment, so that medical personnel follow-up operation should melt the electrode.

Drawings

FIG. 1 is a front view of an ablation electrode according to the present invention;

FIG. 2 is a front structural cross-sectional view of an ablation electrode in accordance with the present invention;

FIG. 3 is a schematic view of the internal structure of the ablation electrode housing according to the present invention;

fig. 4 is a schematic structural diagram of an ablation electrode a according to the present invention.

In the figure: 1 cylinder, 2 screw caps, 3 wires, 4 grooves, 5 sliding grooves, 6 push plates, 7 limit screw buttons, 8 syringes, 9 shells, 10 air pipes, 11 insertion cylinders, 12 guide grooves, 13 sliding blocks, 14 lead screws, 15 electrode pins, 16 nuts, 17 air chambers, 18 key switches and 19 air pumps.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, an ablation electrode comprises a cylinder 1, grooves 4 are formed on the outer walls of two sides of the cylinder 1, two sliding grooves 5 are formed on the outer walls of two sides of the cylinder 1, the sliding grooves 5 are convenient for guiding and mounting nuts 16 when a push plate 6 moves, and the inside of the sliding chute 5 is connected with a push plate 6 which passes through the groove 4 in a sliding way, the push plate 6 is convenient for a worker to push the electrode needle 15 to move, the center of the outer wall of the bottom of the push plate 6 is connected with a needle cylinder 8 which passes through the cylinder body 1 in a threaded way, the needle cylinder 8 is convenient for the device to be inserted into the body of a patient, so that electrode needle 15 follow-up insert patient internal, push pedal 6 one side outer wall is close to the equal threaded connection in both sides department and has spacing knob 7, and spacing knob 7 is convenient for carry on spacingly to push

pedal

6, and 5 inside sliding connection in spout have nut 16, and nut 16 cooperates spacing knob 7 to be convenient for carry on spacingly to push

pedal

6, and 7 one end threaded connection of spacing knob is inside nut 16.

Further, the top end of the cylinder body 1 is provided with a screw cap 2 through a bearing, the screw cap 2 is convenient for medical staff to rotate the screw rod 14, the center of the outer wall of the bottom of the screw cap 2 is provided with the screw rod 14 through a flat key, and the screw rod 14 is convenient for transmission movement.

Furthermore, the screw rod 14 is externally connected with an inserting cylinder 11 through threads, the inserting cylinder 11 is convenient for installing an electrode needle 15, the bottom end of the inserting cylinder 11 is connected with the electrode needle 15 inserted in the needle cylinder 8 through threads, and the electrode needle 15 is convenient for discharging under the action of radio frequency equipment, so that an operation is performed.

Further, the inner wall of the side face of the barrel body 1 close to the top end is provided with guide grooves 12 distributed in an annular structure at equal intervals, the sliding blocks 13 are matched with the guide grooves 12 to guide the movement of the inserting barrel 11, the sliding blocks 13 distributed in the annular structure at equal intervals are integrally formed on the outer wall of the side face of the inserting barrel 11, the sliding blocks 13 are convenient to enable the inserting barrel 11 to be connected with the guide grooves 12, and the sliding blocks 13 are connected inside the guide grooves 12 in a sliding mode.

Furthermore, the top end of the screw cap 2 is inserted with a connecting wire 3 extending into the screw rod 14, one end of the connecting wire 3 is connected with the radio frequency device, and the connecting wire 3 is electrically connected with the electrode needle 15.

Further, the shell 9 is installed on the outer wall of one side of the barrel 1 close to the bottom through bolts, the air pump 19 is convenient to install on the shell 9, the air pump 19 is installed on the inner wall of the bottom of the shell 9 through bolts, the model of the air pump 19 is preferably WP32-12V, power is convenient to change the interior of the air cavity 17 into negative pressure, the key switch 18 extending to the exterior of the shell 9 is installed on the inner wall of one side of the shell 9 through bolts, and the key switch 18 is convenient for a worker to control the air pump 19 to start.

Further, offer on the outer wall of barrel 1 bottom and be annular air cavity 17, air cavity 17 can be pumped into the vacuum under the effect of air pump 19 to make barrel 1 adsorb on one's body patient, it has the trachea 10 that extends to the inside of air cavity 17 to peg graft on the outer wall of barrel 1 one side, trachea 10 is convenient for make air cavity 17 link together with air pump 19, and trachea 10 one end and air pump 19 communicate each other.

The working principle is as follows: when the medical ablation electrode is used, the medical staff can place the bottom end of the barrel body 1 at a position where a patient needs to perform an operation, then press the key switch 18, so that the key switch 18 controls the air pump 19 to be started, at the moment, the air pump 19 pumps air in the air cavity 17 out through the air pipe 10, so that the ablation electrode is adsorbed on the patient, then according to the depth of the operation position of the patient, the medical staff can push the push plate 6 to slide in the groove 4, so that the push plate 6 drives the needle cylinder 8 to slide in the barrel body 1, at the moment, the descending length of the needle cylinder 8 can be known through the scales on the barrel body 1, after the proper position is reached, the medical staff can rotate the limit screw button 7, so that the limit screw button 7 is matched with the nut 16 to fix the push plate 6, then other limit screw buttons 7 are rotated, so that the push plate 6 is limited, then the medical staff rotates the screw cover 2, so that the screw rod 14 drives the insertion cylinder 11 to move in the barrel body 1, the guide of the insertion tube 11 during movement can be realized through the matching between the guide groove 12 and the sliding block 13, then the electrode needle 15 slides in the needle cylinder 8 under the action of the screw cap 2, then the electrode needle is inserted into the operation position of the body of a patient when being contacted with the push plate 6, and then the discharge equipment connected with the connecting wire 3 is started, so that the radio frequency ablation treatment is carried out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an ablation electrode, includes barrel (1), its characterized in that, all set up fluted (4) on barrel (1) both sides outer wall, all set up two spout (5) on barrel (1) both sides outer wall, and spout (5) inside sliding connection has push pedal (6) of passing recess (4), push pedal (6) bottom outer wall center department threaded connection has cylinder (8) of passing barrel (1), push pedal (6) one side outer wall is close to both sides department equal threaded connection and has spacing knob (7), spout (5) inside sliding connection has nut (16), spacing knob (7) one end threaded connection is inside nut (16).

2. The ablation electrode as claimed in claim 1, characterized in that the top end of the barrel (1) is provided with the screw cap (2) through a bearing, and the center of the outer wall at the bottom of the screw cap (2) is provided with the screw rod (14) through a flat key.

3. The ablation electrode as claimed in claim 2, wherein the screw rod (14) is externally connected with an insert cylinder (11) in a threaded manner, and the bottom end of the insert cylinder (11) is connected with an electrode needle (15) inserted into the needle cylinder (8) in a threaded manner.

4. The ablation electrode as claimed in claim 3, characterized in that the inner wall of the side surface of the barrel body (1) near the top end is provided with guide grooves (12) distributed in an annular structure at equal intervals, the outer wall of the side surface of the insertion barrel (11) is integrally formed with slide blocks (13) distributed in an annular structure at equal intervals, and the slide blocks (13) are slidably connected inside the guide grooves (12).

5. The ablation electrode as claimed in claim 3, characterized in that the top end of the screw cap (2) is plugged with a connecting wire (3) extending to the inside of the screw rod (14), and the connecting wire (3) is electrically connected with the electrode needle (15).

6. The ablation electrode as claimed in claim 1, wherein the shell (9) is mounted on the outer wall of one side of the barrel (1) close to the bottom through bolts, the air pump (19) is mounted on the inner wall of the bottom of the shell (9) through bolts, and the key switch (18) extending to the outside of the shell (9) is mounted on the inner wall of one side of the shell (9) through bolts.

7. The ablation electrode according to claim 6, wherein an annular air cavity (17) is formed in the outer wall of the bottom of the cylinder body (1), an air pipe (10) extending into the air cavity (17) is inserted into the outer wall of one side of the cylinder body (1), and one end of the air pipe (10) is communicated with the air pump (19).