CN212015754U

CN212015754U - Tumor radio frequency ablation device

Info

Publication number: CN212015754U
Application number: CN202020162591.3U
Authority: CN
Inventors: 赵金辉
Original assignee: Nanan Yicheng Machinery Technology Co Ltd
Current assignee: Nanan Yicheng Machinery Technology Co Ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-11-27
Anticipated expiration: 2030-02-12

Abstract

The utility model relates to the technical field of medical equipment, and a tumour radio frequency ablation device is disclosed, which comprises an outer shell, the sharp awl of one end fixedly connected with of shell, and the lateral wall that is close to the shell of sharp awl sets up a plurality of through-holes that encircle the setting, the inner wall sliding connection of shell has a plurality of sub-needles, and the one end of a plurality of sub-needles runs through the through-hole setting, a plurality of cutting ferrule of inner wall fixedly connected with of shell, and the setting of cutting ferrule parcel sub-needle. This kind of tumour radio frequency ablation device through setting up sharp awl cooperation through-hole, can conveniently insert patient's tumour department with tumour radio frequency ablation device's most advanced, then through rotating the knob again, utilize the cooperation of internal thread and external screw thread, make the circle cover drive in the son needle runs through the through-hole and inserts patient's tumour, through the son needle that sets up the elastic metal material, utilize the elasticity of metal self, make the son needle break away from behind the cutting ferrule take place deformation under elastic effect, become the required umbrella dress of radio frequency ablation.

Description

Tumor radio frequency ablation device

Technical Field

The utility model relates to the technical field of medical equipment, specifically a tumour radio frequency ablation device.

Background

The radio frequency is a high-frequency vibration with the frequency of 15 ten thousand times per second, under the high-frequency vibration, ions between two electrodes move rapidly along the direction of an electric line and gradually change from a moving state to a vibrating state, and due to the fact that the sizes, the masses, the charges and the moving speed of various ions are different, the ions rub with each other and collide with other particles to generate a biological heat effect. Because of the poor heat dissipation of the tumor, the temperature of the tumor tissue is higher than that of the adjacent normal tissue, and the cancer cells are sensitive to high heat, so the cancer cells can be killed by the high heat, and the side effect is not generated.

In the prior art, a tumor radio-frequency ablation device is inserted into a tumor of a patient under the guidance of a host machine matched with imaging equipment (CT, B-ultrasonic and the like), and the tumor radio-frequency ablation device adopts an umbrella-mounted multipole to perform radio-frequency ablation on the tumor, so that the insertion is inconvenient, and the pain of the patient is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a tumour radio frequency ablation device, possess and insert the convenience, the painful less of patient, convenient operation, high advantage such as security have solved the problem that the background art provided.

(II) technical scheme

For realizing the aforesaid and inserting the convenience, the painful less of patient, convenient operation, the high purpose of security, the utility model provides a following technical scheme: the utility model provides a tumour radio frequency ablation device, includes the shell, the one end fixedly connected with point awl of shell, and the lateral wall that is close to the shell of point awl sets up a plurality of through-holes that encircle the setting, the inner wall sliding connection of shell has a plurality of sub needles, and the one end of a plurality of sub needles runs through the through-hole setting, a plurality of cutting ferrule of inner wall fixedly connected with of shell, and the setting of cutting ferrule parcel sub needle, the one end that the point awl was kept away from to the shell is rotated and is connected with the knob, and the inner wall of knob is seted up there is the internal thread, many the lateral wall fixedly connected with circle cover that the point awl was kept away from to the sub needle, and the lateral wall of circle cover sets up the external screw thread that matches with.

Preferably, the lateral wall of shell sets up the spout that two symmetries set up, and sliding connection has the slider in the spout, the equal fixedly connected with backup pad of one end that the spout was kept away from to the slider.

Preferably, one end of the sub-needle, which is far away from the round sleeve, is arc-shaped, and the sub-needle is made of elastic metal materials.

Preferably, two the equal fixedly connected with bracing piece of upper surface of backup pad, and the upper end of bracing piece all rotates through the spring pivot and is connected with the bull stick, the one end and the spout of bull stick offset the setting, and the inner wall of spout has seted up a plurality of draw-in grooves.

Preferably, the lower surface of the supporting plate is fixedly connected with a sponge cushion, and the lower surface of the sponge cushion is fixedly connected with a medical adhesive tape.

Preferably, the lateral wall of the shell far away from the pointed cone is fixedly sleeved with a rubber sleeve, and the lateral wall of the rubber sleeve is provided with an anti-skid groove.

Preferably, the inner wall of the shell is fixedly connected with a clamping block, and the clamping block is abutted to the round sleeve.

Preferably, the lower extreme fixedly connected with stopper of circle cover, and the upper surface of circle cover has seted up a plurality of holes of stepping down, the inner wall fixedly connected with insulating pad in the hole of stepping down, and insulating pad and son needle fixed connection.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of tumour radio frequency ablation device, through setting up sharp awl cooperation through-hole, can conveniently insert patient's tumour department with tumour radio frequency ablation device's most advanced, then through rotating the knob, utilize the cooperation of internal thread and external screw thread, make the round sleeve drive in the son needle runs through the through-hole and inserts patient's tumour, through the son needle that sets up the elastic metal material, utilize the elasticity of metal self, make the son needle break away from behind the cutting ferrule take place deformation under elastic effect, become the required umbrella dress of radio frequency ablation, and can be when extracting tumour radio frequency ablation device, it makes the son needle retrieve in the shell to rotate the knob, conveniently take out tumour radio frequency ablation device, through setting up the cutting ferrule, can make the son needle when in the shell, the restriction that receives the cutting ferrule becomes vertical state, conveniently accomodate the son needle.

2. This kind of tumour radio frequency ablation device through setting up slider cooperation backup pad, can be when inserting tumour radio frequency ablation device, supplementary fixed tumour radio frequency ablation device need not to keep handheld tumour radio frequency ablation device's state always, avoids when carrying out tumour radio frequency ablation, because the hand trembles reasons such as to lead to the shell displacement, reduces patient's misery and reduces medical staff's intensity of labour.

3. This kind of tumour radio frequency ablation device through setting up bull stick cooperation draw-in groove, can adjust with the relative position of fixed support board and shell to better fixed tumour radio frequency ablation device is fixed the backup pad on patient's body surface or the auxiliary stand that uses when performing the operation through setting up foam-rubber cushion and medical sticky tape convenience, thereby reaches the purpose of fixed tumour radio frequency ablation device.

4. This kind of tumour radio frequency ablation device, through setting up rubber sleeve cooperation antiskid ribbed tile, can make things convenient for medical staff to hand the shell and carry out tumour radio frequency ablation operation, the condition such as skidding appears when avoiding inserting tumour radio frequency ablation device, through setting up stopper and fixture block, can restrict the position of circle cover, avoid external screw thread and external screw thread to break away from, guarantee that medical staff can adjust the position of circle cover and son needle through rotating the knob, can avoid the electric leakage when the son needle moves through setting up the insulating pad, avoid taking place the medical accident.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of a first working state of the present invention;

fig. 3 is a structural schematic diagram of a second working state of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention.

In the figure: 1. a housing; 2. a pointed cone; 3. a through hole; 4. a sub-needle; 5. a card sleeve; 6. a knob; 7. an internal thread; 8. a round sleeve; 9. an external thread; 10. a wire; 11. a host; 12. a chute; 13. a slider; 14. a support plate; 15. a support bar; 16. a spring shaft; 17. a rotating rod; 18. a card slot; 19. a sponge cushion; 20. medical adhesive tape; 21. a rubber sleeve; 22. an anti-slip groove; 23. a clamping block; 24. a limiting block; 25. and (4) a yielding hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a tumor radiofrequency ablation device comprises a housing 1, a rubber sleeve 21 is fixedly sleeved on a side wall of the housing 1 far away from a pointed cone 2, an anti-slip groove 22 is formed on a side wall of the rubber sleeve 21, the pointed cone 2 is fixedly connected to one end of the housing 1, a plurality of through holes 3 arranged in a surrounding manner are formed in a side wall of the pointed cone 2 close to the housing 1, a plurality of sub needles 4 are slidably connected to an inner wall of the housing 1, one end of each sub needle 4 far away from a circular sleeve 8 is arc-shaped, each sub needle 4 is made of elastic metal, the plurality of sub needles 4 form an umbrella shape, the elasticity of each sub needle 4 can be utilized to change the sub needle 4 into the umbrella shape required by an operation when the sub needle 4 is separated from a cutting sleeve 5, one end of each sub needle 4 penetrates through the through hole 3, a plurality of cutting sleeves 5 are fixedly connected to the inner wall of the housing cutting sleeve 1, the sub needles 4 are wrapped by the cutting sleeve 5, a, an internal thread 7 is arranged on the inner wall of the knob 6, a round sleeve 8 is fixedly connected with the side wall of the plurality of sub-needles 4 far away from the pointed cone 2, the knob 6 and the round sleeve 8 are both made of metal materials, can prolong the service life of the tumor radiofrequency ablation device, can move up and down at the position of the round sleeve 8 by arranging the fixture block 23 and the limiting block 24, the round sleeve 8 is limited, the lower end of the round sleeve 8 is fixedly connected with a limiting block 24, the upper surface of the round sleeve 8 is provided with a plurality of abdicating holes 25, the inner wall of the abdicating hole 25 is fixedly connected with an insulating pad, and the insulating pad is fixedly connected with the sub-needle 4, the insulating pad is arranged to prevent the sub-needle 4 from electric leakage and avoid medical accidents, the inner wall of the shell 1 is fixedly connected with a clamping block 23, and the fixture block 23 is abutted to the round sleeve 8, the side wall of the round sleeve 8 is provided with an external thread 9 matched with the internal thread 7, and one end of the sub-needle 4 far away from the pointed cone 2 is electrically connected with a host 11 through a lead 10.

Example 2

Based on embodiment 1, as shown in fig. 1-4, the side wall of the housing 1 is provided with two symmetrically arranged sliding grooves 12, and the sliding grooves 12 are connected with sliding blocks 13 in a sliding manner, the sliding blocks 12 are matched with the sliding blocks 13 to adjust the position of the supporting plate 14, the ends of the sliding blocks 13 far away from the sliding grooves 12 are both fixedly connected with the supporting plate 14, the upper surfaces of the two supporting plates 14 are both fixedly connected with supporting rods 15, the upper ends of the supporting rods 15 are both rotatably connected with rotating rods 17 through spring rotating shafts 16, one ends of the rotating rods 17 are abutted against the sliding grooves 12, the inner wall of the sliding grooves 12 is provided with a plurality of clamping grooves 18, the supporting plate 14 can be fixed at a required position by arranging the clamping grooves 18 matched with the rotating rods 17, so as to fix the housing 1 by using the supporting plates 14, ensure that the tumor radiofrequency ablation device cannot move when radiofrequency ablation, and the lower surface of the spongy cushion 19 is fixedly connected with a medical adhesive tape 20, and the supporting plate 14 can be fixed on the body surface of a patient or an auxiliary support used during an operation by arranging the spongy cushion 19 to be matched with the medical adhesive tape 20.

The working principle is as follows: when the tumor radio frequency ablation is carried out on a patient, firstly, the sub-needle 4 is disinfected, then the knob 6 is rotated, the round sleeve 8 is moved upwards by utilizing the matching of the internal thread 7 and the external thread 9, the round sleeve 8 drives the sub-needle 4 to move upwards, the sub-needle 4 is recovered in the cutting sleeve 5, then, a medical worker holds the rubber sleeve 21 and presses the rotating rod 17, the supporting plate 14 is fixed on the body surface of the patient or an auxiliary support for operation, then the shell 1 is pushed to approach the tumor of the patient, the pointed cone 2 is inserted into the tumor of the patient, under the guiding assistance of equipment such as CT and B ultrasonic equipment, after the pointed cone 2 is inserted to a proper position, the rotating rod 17 is firstly loosened, the rotating rod 17 rotates under the elastic force of the spring rotating shaft 16 and is clamped into the clamping groove 18, so that the supporting plate 14 and the shell 1 are relatively fixed, the purpose of fixing the shell 1 is achieved, then, the knob 6, the round sleeve 8 is driven to move downwards, the round sleeve 8 drives the sub-needle 4 to move downwards, the sub-needle 4 penetrates through the through hole 3 and extends out of the pointed cone 2, the sub-needle 4 deforms under the action of self elasticity, the multiple sub-needles 4 are bent in the tumor to form the multi-pole needle state of umbrella, then the medical staff controls the main machine 11 to conduct the sub-needles 4, thereby utilizing the radio frequency to generate high temperature to melt the tumor, achieving the aim of curing the tumor of a patient, the knob 6 is rotated again to recover the sub-needle 4 into the cutting sleeve 5, then the supporting plate 14 and the shell 1 are taken down, due to the arrangement of the fixture block 23, when the knob 6 is rotated to insert the sub-needle 4, the downward movement range of the round sleeve 8 can be limited, the separation of the internal thread 7 and the external thread 9 is avoided, the sub-needle 4 can not be recovered by rotating the knob 6, after the operation is completed, the sub-needle 4 is extended therefrom and is stored after the sterilization treatment.

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

Claims

1. A tumor radiofrequency ablation device, comprising a housing (1);

the method is characterized in that:

one end of the shell (1) is fixedly connected with a pointed cone (2), the side wall of the pointed cone (2) close to the shell (1) is provided with a plurality of through holes (3) which are arranged in a surrounding way, the inner wall of the shell (1) is connected with a plurality of sub-needles (4) in a sliding way, one end of each sub-needle (4) penetrates through the through hole (3) and is arranged, the inner wall of the shell (1) is fixedly connected with a plurality of cutting sleeves (5), the cutting sleeve (5) is wrapped on the sub-needle (4), one end of the shell (1) far away from the pointed cone (2) is rotatably connected with a knob (6), an internal thread (7) is arranged on the inner wall of the knob (6), a round sleeve (8) is fixedly connected with the side wall of the sub-needle (4) far away from the pointed cone (2), and the side wall of the round sleeve (8) is provided with an external thread (9) matched with the internal thread (7), one end of the sub-needle (4) far away from the pointed cone (2) is electrically connected with a host (11) through a lead (10).

2. The radiofrequency ablation device for tumors of claim 1, wherein: the lateral wall of shell (1) is seted up spout (12) that two symmetries set up, and spout (12) sliding connection has slider (13), the equal fixedly connected with backup pad (14) of one end that spout (12) were kept away from in slider (13).

3. The radiofrequency ablation device for tumors of claim 1, wherein: one end of the sub-needle (4) far away from the round sleeve (8) is arc-shaped, and the sub-needle (4) is made of elastic metal materials.

4. The radiofrequency ablation device for tumors of claim 2, wherein: two the equal fixedly connected with bracing piece (15) of upper surface of backup pad (14), and the upper end of bracing piece (15) all rotates through spring pivot (16) and is connected with bull stick (17), the one end and the setting of offsetting of spout (12) of bull stick (17), and a plurality of draw-in grooves (18) have been seted up to the inner wall of spout (12).

5. The radiofrequency ablation device for tumors of claim 2, wherein: the lower surface of the supporting plate (14) is fixedly connected with a sponge cushion (19), and the lower surface of the sponge cushion (19) is fixedly connected with a medical adhesive tape (20).

6. The radiofrequency ablation device for tumors of claim 1, wherein: the lateral wall of the shell (1) far away from the pointed cone (2) is fixedly sleeved with a rubber sleeve (21), and the lateral wall of the rubber sleeve (21) is provided with an anti-skidding groove (22).

7. The radiofrequency ablation device for tumors of claim 1, wherein: the inner wall of the shell (1) is fixedly connected with a clamping block (23), and the clamping block (23) is abutted to the round sleeve (8).

8. The radiofrequency ablation device for tumors of claim 1, wherein: the lower extreme fixedly connected with stopper (24) of circle cover (8), and the upper surface of circle cover (8) has seted up a plurality of holes of stepping down (25), the insulating pad of inner wall fixedly connected with in the hole of stepping down (25), and insulating pad and son needle (4) fixed connection.