CN217286051U

CN217286051U - Fixing device of microwave ablation needle

Info

Publication number: CN217286051U
Application number: CN202220873173.4U
Authority: CN
Inventors: 章鑫
Original assignee: Jiangsu Aidewen Medical Instrument Co ltd
Current assignee: Jiangsu Aidewen Medical Instrument Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-26
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a fixing device of microwave ablation needle, including adhering seat and adjusting part, the upper end fixed mounting who adheres the seat has fixed cover, two supporting seats are installed through adjusting part in the upper end of fixed cover, two the supporting seat is located same vertical line, two the intermediate position department of supporting seat has seted up the perforation, the equal movable mounting in both sides of supporting seat inner wall has the regulation swivel nut, the surface cover of adjusting the swivel nut is equipped with adjusting gear, the inside activity interlude of adjusting the swivel nut has the solid screw rod of card, the one end activity of the solid screw rod of card alternates in fenestrate inside, the utility model relates to a medical instrument technical field. This fixing device of microwave ablation needle has solved current fixing device at the in-process that uses, and the structure is more complicated, fixes very inconvenient, at fixed in-process, can't fix the ablation needle of different diameters, uses the problem that has certain limitation.

Description

Fixing device of microwave ablation needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a fixing device of a microwave ablation needle.

Background

Microwave ablation has been rapidly developed as a main means in clinical tumor treatment, which can directly puncture a microwave needle to a tumor part under the guidance of modern images such as B-ultrasonic or CT (computed tomography) and the like, polar molecules in tissues move at high speed under the action of a microwave field and rub with each other to generate heat, the temperature in the tumor is rapidly increased, when the temperature is increased to about 60 ℃, cancer cell proteins are denatured and solidified to cause irreversible necrosis and perform in-situ inactivation on the tumor, and the microwave ablation has the remarkable characteristics of micro-invasion, accuracy, high efficiency and small toxic and side effects;

in the process of utilizing microwave ablation treatment, after a microwave ablation needle enters a human body, when the human body breathes, the needle can enter or come out along with the breathing of the human body, so that the treatment effect is influenced, the structure of the existing fixing device is complex in the using process, the fixing device is very inconvenient, the ablation needles with different diameters cannot be fixed in the fixing process, and the fixing device has certain limitation in use.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fixing device of microwave ablation needle has solved current fixing device and at the in-process that uses, and the structure is more complicated, and it is very inconvenient to fix, at fixed in-process, can't fix the ablation needle of the diameter of difference, uses the problem that has certain limitation.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a fixing device of a microwave ablation needle comprises an adhesion seat and an adjusting component, wherein a fixing sleeve is fixedly installed at the upper end of the adhesion seat, two supporting seats are installed at the upper end of the fixing sleeve through the adjusting component, the two supporting seats are located on the same vertical line, a through hole is formed in the middle position of each supporting seat, adjusting threaded sleeves are movably installed on two sides of the inner wall of each supporting seat, an adjusting gear is sleeved on the surface of each adjusting threaded sleeve, a clamping and fixing screw rod is movably inserted into the adjusting threaded sleeves in an inserted mode, one end of each clamping and fixing screw rod is movably inserted into the corresponding through hole, a clamping plate is fixedly installed at the corresponding end of each clamping and fixing screw rod, a sterilized cotton pad is arranged on one side of each clamping plate, a rotating ring is movably installed at the upper end of the inside of each supporting seat, an occlusion toothed ring meshed with the adjusting gear is arranged inside each rotating ring, an adjusting groove is formed in the upper end of each supporting seat, an adjusting block penetrates through the inside of the adjusting groove, and the lower end of the adjusting block is fixedly connected with the upper end of the rotating ring.

Preferably, mounting holes are formed in two sides of the inner wall of the through hole, clamping screws are movably inserted into the mounting holes, and one end of each mounting hole is connected with one end of each adjusting threaded sleeve.

Preferably, the two sides of the inner wall of the mounting hole are fixedly provided with clamping blocks, and the two sides of the surface of the clamping screw are provided with clamping grooves matched with the clamping blocks.

Preferably, the adjusting component comprises a fixed pipe, an installation block, a lifting screw, a limiting strip, a limiting groove, a lifting screw sleeve and a supporting rod.

Preferably, one side fixed mounting of fixed cover upper end has the installation piece, the upper end fixed mounting of installation piece has two fixed pipes, the surface of installation piece is seted up and is fixed the pipe and be connected the through-hole.

Preferably, both sides of the inner wall of the fixed pipe are fixedly provided with limiting strips, both sides of the lower end of the mounting block are movably provided with lifting screw sleeves connected with the through holes, and the two lifting screw sleeves are in transmission connection with each other through a transmission chain wheel and a transmission chain.

Preferably, the outer side of the lifting screw sleeve is uniformly provided with anti-skidding threads, a lifting screw rod is movably inserted into the lifting screw sleeve, and the upper end of the lifting screw rod penetrates through the fixing pipe.

Preferably, both sides of the surface of each lifting screw are provided with a limiting groove matched with the limiting strip, the upper ends of the two lifting screws and one side of each of the two fixing pipes are fixedly provided with supporting rods, and the supporting rods are fixedly connected with the two supporting seats respectively.

(III) advantageous effects

The utility model provides a fixing device of a microwave ablation needle. The method has the following beneficial effects:

(1) this microwave ablation needle's fixing device, the user will melt the needle and insert and run through two supporting seats in proper order, insert fenestrate inside, the user promotes the regulating block, the regulating block removes along the adjustment tank, the regulating block drives the swivel becket and rotates in the inside of supporting seat, swivel becket pivoted in-process, it is rotatory to drive adjusting gear through the interlock ring gear, adjusting gear drives the regulation swivel nut and rotates, fixture block and draw-in groove cooperate, it is spacing to calorie firm screw rod, make the calorie firm screw rod under the effect of screw thread, remove to fenestrate inside, the calorie firm screw rod drives the cardboard and removes, be convenient for fix the ablation needle of different diameters.

(2) This fixing device of microwave ablation needle, the user drives the lift swivel nut through anti-skidding line and rotates, and two lift swivel nuts pass through drive sprocket and drive chain and pass each other and connect for the lift swivel nut keeps synchronous rotation, and the lifting screw upwards removes along fixed pipe, adjusts lifting screw upper end position, adjusts the distance between top supporting seat and the below supporting seat, is convenient for fix the ablation needle of different length.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall explosion structure of the present invention;

FIG. 3 is a schematic view of the bottom view of the device of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 3.

In the figure: 1. an adhesion seat; 2. fixing a sleeve; 3. mounting blocks; 4. fixing the tube; 5. a lifting screw; 6. a limiting strip; 7. a limiting groove; 8. a lifting screw sleeve; 9. a support bar; 10. a supporting seat; 11. perforating; 12. an adjustment groove; 13. adjusting a threaded sleeve; 14. an adjusting gear; 15. a rotating ring; 16. an engaging gear ring; 17. clamping a plate; 18. clamping and fixing the screw rod; 19. a card slot; 20. and (7) clamping blocks.

Detailed Description

The technical solution 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.

Referring to fig. 1-4, the present invention provides a technical solution:

the first embodiment is as follows: a fixing device of a microwave ablation needle comprises an adhesion seat 1 and an adjusting component, wherein a fixed sleeve 2 is fixedly installed at the upper end of the adhesion seat 1, two supporting seats 10 are installed at the upper end of the fixed sleeve 2 through the adjusting component, the two supporting seats 10 are positioned on the same vertical line, a through hole 11 is formed in the middle position of each of the two supporting seats 10, adjusting threaded sleeves 13 are movably installed on two sides of the inner wall of each of the supporting seats 10, adjusting gears 14 are sleeved on the surfaces of the adjusting threaded sleeves 13, clamping screw rods 18 are movably inserted into the adjusting threaded sleeves 13, one ends of the clamping screw rods 18 are movably inserted into the through holes 11, clamping plates 17 are fixedly installed at the ends of the clamping plates, a sterilized cotton pad is arranged on one sides of the clamping plates 17, a rotating ring 15 is movably installed at the upper end inside the supporting seats 10, an occlusion toothed ring 16 meshed with the adjusting gears 14 is arranged inside the rotating ring 15, an adjusting groove 12 is formed in the upper end of each of the supporting seat 10, an adjusting block penetrates through the inside of the adjusting groove 12, the lower end of the adjusting block is fixedly connected with the upper end of the rotating ring 15, mounting holes are formed in both sides of the inner wall of the through hole 11, a clamping screw 18 is movably inserted in the mounting holes, one end of each mounting hole is connected with one end of the adjusting threaded sleeve 13, clamping blocks 20 are fixedly mounted on both sides of the inner wall of each mounting hole, clamping grooves 19 matched with the clamping blocks 20 are formed in both sides of the surface of the clamping screw 18, a user inserts an ablation needle into the two supporting seats 10 in sequence and inserts the ablation needle into the inside of the through hole 11, the user pushes the adjusting block to move the adjusting block along the adjusting groove 12, the adjusting block drives the rotating ring 15 to rotate in the supporting seats 10, the adjusting gear 14 is driven to rotate by the meshing toothed ring 16 in the rotating process of the rotating ring 15, the adjusting gear 14 drives the adjusting threaded sleeve 13 to rotate, the clamping blocks 20 are matched with the clamping grooves 19, the clamping screw 18 is limited, so that the clamping screw 18 moves towards the inside of the through hole 11 under the action of the threads, and the clamping screw 18 drives the clamping plate 17 to move, so that the ablation needles with different diameters can be conveniently fixed.

Example two: the difference between the embodiment and the first embodiment is that the adjusting assembly comprises a fixed tube 4, an installation block 3, a lifting screw 5, a limit strip 6, a limit groove 7, a lifting screw sleeve 8 and a support rod 9, wherein the installation block 3 is fixedly installed on one side of the upper end of the fixed sleeve 2, two fixed tubes 4 are fixedly installed on the upper end of the installation block 3, a through hole connected with the fixed tube 4 is formed in the surface of the installation block 3, the limit strip 6 is fixedly installed on both sides of the inner wall of the fixed tube 4, the lifting screw sleeve 8 connected with the through hole is movably installed on both sides of the lower end of the installation block 3, the two lifting screw sleeves 8 are mutually connected in a transmission manner through a transmission chain wheel and a transmission chain, anti-slip threads are uniformly arranged on the outer side of the lifting screw sleeve 8, the lifting screw 5 is movably inserted in the lifting screw 8, the upper end of the lifting screw 5 penetrates through the fixed tube 4, the limit groove 7 matched with the limit strip 6 is formed on both sides of the surface of the lifting screw 5, the upper ends of the two lifting screw rods 5 and one side of the two fixed tubes 4 are fixedly provided with supporting rods 9, the four supporting rods 9 are fixedly connected with the two supporting seats 10 respectively, a user drives the lifting screw sleeves 8 to rotate through anti-skid threads, the two lifting screw sleeves 8 are connected with each other through a transmission chain wheel and a transmission chain, the lifting screw sleeves 8 keep rotating synchronously, the lifting screw rods 5 move upwards along the fixed tubes 4, the upper end positions of the lifting screw rods 5 are adjusted, the distance between the upper supporting seats 10 and the lower supporting seats 10 is adjusted, and the ablation needles with different lengths are convenient to fix.

When the ablation needle fixing device works, a user inserts an ablation needle into the ablation needle sequentially penetrating through the two supporting seats 10 and inserting the ablation needle into the through hole 11, the user pushes the adjusting block, the adjusting block moves along the adjusting groove 12, the adjusting block drives the rotating ring 15 to rotate inside the supporting seats 10, in the rotating process of the rotating ring 15, the adjusting gear 14 is driven to rotate through the meshing toothed ring 16, the adjusting gear 14 drives the adjusting screw sleeve 13 to rotate, the clamping block 20 is matched with the clamping groove 19 to limit the clamping screw 18, the clamping screw 18 moves towards the inside of the through hole 11 under the action of threads, the clamping screw 18 drives the clamping plate 17 to move, ablation needles with different diameters can be fixed conveniently, the user drives the lifting screw sleeve 8 to rotate through the anti-skid threads, the two lifting screw sleeves 8 are mutually connected through the transmission chain wheel and the transmission chain, so that the lifting screw sleeves 8 keep synchronous rotation, the lifting screw 5 moves upwards along the fixed pipe 4, the upper end position of the lifting screw 5 is adjusted, the distance between the upper supporting seat 10 and the lower supporting seat 10 is adjusted, and the ablation needles with different lengths are convenient to fix.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. A fixing device of a microwave ablation needle comprises an adhesion seat (1) and an adjusting component, and is characterized in that: the upper end of the adhesion seat (1) is fixedly provided with a fixed sleeve (2), the upper end of the fixed sleeve (2) is provided with two supporting seats (10) through an adjusting component, the two supporting seats (10) are positioned on the same vertical line, a through hole (11) is formed in the middle position of the two supporting seats (10), adjusting screw sleeves (13) are movably arranged on two sides of the inner wall of the supporting seats (10), an adjusting gear (14) is sleeved on the surface of each adjusting screw sleeve (13), a clamping screw rod (18) is movably inserted in each adjusting screw sleeve (13), one end of each clamping screw rod (18) is movably inserted in each through hole (11), a clamping plate (17) is fixedly arranged at the end of each clamping plate (17), a sterilized cotton pad is arranged on one side of each clamping plate (17), a rotating ring (15) is movably arranged at the upper end of each supporting seat (10), and an occlusion toothed ring (16) meshed with the adjusting gear (14) is arranged in each rotating ring (15), an adjusting groove (12) is formed in the upper end of the supporting seat (10), an adjusting block penetrates through the inside of the adjusting groove (12), and the lower end of the adjusting block is fixedly connected with the upper end of the rotating ring (15).

2. A microwave ablation needle holding apparatus as claimed in claim 1, wherein: the mounting hole has all been seted up to the both sides of perforation (11) inner wall, the inside activity interlude of mounting hole has solid screw rod of card (18), the one end of mounting hole is connected with the one end of adjusting swivel nut (13).

3. A microwave ablation needle holding apparatus as claimed in claim 2, wherein: clamping blocks (20) are fixedly mounted on two sides of the inner wall of the mounting hole, and clamping grooves (19) matched with the clamping blocks (20) are formed in two sides of the surface of the clamping screw (18).

4. A microwave ablation needle holding apparatus as claimed in claim 1, wherein: the adjusting component comprises a fixed pipe (4), an installation block (3), a lifting screw rod (5), a limiting strip (6), a limiting groove (7), a lifting screw sleeve (8) and a supporting rod (9).

5. The fixing device of a microwave ablation needle according to claim 4, characterized in that: one side fixed mounting of fixed cover (2) upper end has installation piece (3), the upper end fixed mounting of installation piece (3) has two fixed pipes (4), the surface of installation piece (3) has been seted up and has been connected the through-hole with fixed pipe (4).

6. A microwave ablation needle holding apparatus as claimed in claim 5, wherein: the equal fixed mounting in both sides of fixed pipe (4) inner wall has spacing (6), the equal movable mounting in both sides of installation piece (3) lower extreme has lift swivel nut (8) that are connected with the through-hole, two through drive sprocket and drive chain mutual drive connection between lift swivel nut (8).

7. A microwave ablation needle holding apparatus as claimed in claim 6, wherein: the anti-skidding lines are uniformly arranged on the outer side of the lifting screw sleeve (8), a lifting screw rod (5) is movably inserted into the lifting screw sleeve (8), and the upper end of the lifting screw rod (5) penetrates through the fixing pipe (4).

8. A microwave ablation needle holding apparatus as claimed in claim 7, wherein: the utility model discloses a lifting screw, including lifting screw (5), two, upper end and the equal fixed mounting in one side of two fixed pipes (4) of lifting screw (5) the both sides on surface all seted up with spacing strip (6) matched with spacing groove (7), two the upper end of lifting screw (5) and four bracing pieces (9) are with two supporting seat (10) fixed connection respectively.