CN109820593A

CN109820593A - A kind of Cystis therapeutic device based on ablation

Info

Publication number: CN109820593A
Application number: CN201910263115.2A
Authority: CN
Inventors: 陈天鸣; 陈仕林; 潘耀振; 任琦瑢; 刘兴德
Original assignee: Jiangsu Cancer Hospital
Current assignee: Jiangsu Cancer Hospital
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-05-31
Anticipated expiration: 2039-04-02
Also published as: CN109820593B

Abstract

The invention provides a kind of Cystis therapeutic device based on ablation, including puncture tube, radio frequency conductive pipe, outer protection tube and centre pilot bar；Puncture tube is inserted into outer protection tube；The upper end tube nozzle of puncture tube is provided with sealing end, and is provided with the negative tube being connected with puncture tube on sealing end；Radio frequency conductive pipe is vertically inserted into puncture tube behind sealing end；The upper end of radio frequency conductive pipe is provided with radiofrequency signal access end, the lower end of radio frequency conductive pipe is provided with radio frequency end；Centre pilot bar is vertically inserted into radio frequency conductive pipe, is axially penetrated through on centre pilot bar along it and is provided with curing agent injection pore.The Cystis therapeutic device based on ablation realizes the quantitative injection of curing agent using curing agent injector；It can be discharged using the setting of sealing end and negative tube convenient for the liquid in tumour；It can be realized the RF ablation of spherical inner chamber using radio frequency end.

Description

A kind of Cystis therapeutic device based on ablation

Technical field

The invention is related to a kind of Cystis therapeutic device, especially a kind of Cystis therapeutic device based on ablation.

Background technique

Currently, many parenchymal viscera tumours such as hepatic cyst, renal cyst have quite high incidence, although benign disease Disease, but quickly grow, a series of damage and complication can be generated to body, the treatments sides such as top are gone in normal row operation excision, windowing Method, but operation wound is big, it is more to spend.In recent years using image-guided lower puncture and the injection technologies such as absolute alcohol or curing agent wound Hurt it is small, spend less, restore fast, but cyst wall cell secreting function is difficult to thoroughly control, so easy to recur, brings to sufferer larger Treatment pain and worried.It is therefore desirable to design one kind to reach surgical effect again to the treatment side of body wound very little Method, we draw cyst fluid using image-guided puncture, and destroy cyst wall cell secreting function using high temperature ablation, and melting It injects the method for curing agent afterwards to utterly destroy tumour, can be effectively reduced the treatment pain of tumor patient, and be conducive to patient Restore, reduce recurrence rate, improves curative effect.

Summary of the invention

The purpose of the invention is: providing a kind of Cystis therapeutic device based on ablation, is able to carry out image and draws It leads puncture and draws cyst fluid, and destroy cyst wall cell secreting function using high temperature ablation, and inject the method for curing agent after ablation To utterly destroy tumour, the treatment pain of tumor patient can be effectively reduced, and be conducive to patient's recovery, reduce recurrence rate, mention High curative effect.

In order to realize that foregoing invention creates purpose, the invention provides a kind of Cystis therapeutic dress based on ablation It sets, including puncture tube, radio frequency conductive pipe, outer protection tube and centre pilot bar；Puncture tube is inserted into outer protection tube；Under puncture tube End pipe mouth is set as beveling puncture orifice；The upper end tube nozzle of puncture tube is provided with sealing end, and is provided on sealing end The negative tube being connected with puncture tube；Radio frequency conductive pipe is vertically inserted into puncture tube behind sealing end；In radio frequency conductive The upper end of pipe is provided with radiofrequency signal access end, and the lower end of radio frequency conductive pipe is provided with radio frequency end；Centre pilot bar is perpendicular Into insertion radio frequency conductive pipe, and it is provided with sealing ring at insertion position, axially penetrates through setting along it on centre pilot bar There is curing agent to inject pore.

It further, further include a curing agent injector；Curing agent injector abutting joint is upper centre pilot bar On end, and it is connected with the upper aperture of curing agent injection pore.

Further, curing agent injector includes transparent liquid storage cylinder, piston head and piston rod；In transparent liquid storage cylinder One end be provided with outlet tube, and on the outer tube wall of outlet tube be equipped with abutting joint external screw thread, set at the nozzle of outlet tube It is equipped with sealing ring；The other end of transparent liquid storage cylinder is provided with propulsion driving nut；It is provided with propulsion driving on the piston rod External screw thread；Piston rod is mounted on propulsion driving nut by promoting driving external screw thread to screw；Piston head is rotatably mounted on work On one end end of stopper rod, rotation driving handle is provided on the other end end of piston rod；Piston head is embedded in transparent liquid storage In cylinder, and mutually it is close to the inner tube wall of transparent liquid storage cylinder；Liquid measure graduation mark is equipped on the outer tube wall of transparent liquid storage cylinder； It is provided with docking end on the upper end of centre pilot bar, is provided on docking end and docks spiral shell with what outlet tube was connected to each other Pit.

Further, deep calibration line is provided on the upper end of centre pilot bar.

Further, radio frequency end includes fixed disc, tension spring, button-head and six roots of sensation radio frequency metal item；Fixed circle Disk is fixed on the lower end of radio frequency conductive pipe；The upper and lower ends of six roots of sensation radio frequency metal item are respectively and fixedly installed to fixed circle On disk and button-head, and the upper end of six roots of sensation radio frequency metal item is located at six Along ents of fixed disc downside circumferential edges, The lower end of six roots of sensation radio frequency metal item is located at six Along ents of button-head upper side circumferential edges；The upper and lower ends of tension spring are distinguished It is fixedly mounted at the center of fixed disc and button-head；The downside of button-head is set as arc surface.

Further, the lower end of centre pilot bar is fixedly mounted on button-head after sequentially passing through fixed disc and tension spring Upper side center at；Centre pilot bar is clearance fit at position fixed disc；In the lower end of centre pilot bar Fluid hole is provided at portion and close button-head；Fluid hole is connected with curing agent injection pore.

Further, puncture exciter is installed on puncture tube；Puncture exciter include excitation pressure spring, handlebar stem and Relieving mechanism；Support disk is fixedly installed on the outer tube wall of puncture tube；Sliding sleeve pipe is provided in the middle part of handlebar stem；Sliding sleeve Pipe sleeve is located on the upper end of puncture tube, and handlebar stem is located at the top of support disk；Excitation pressure spring is set on puncture tube, and on Lower both ends are resiliently supported between handlebar stem and support disk；Relieving mechanism includes rebound pressure spring, oscillating rod and excitation bar；Pendulum One end of lever is mounted on handlebar stem by the way that hinged seat is tilting articulated；It is provided in the other end of oscillating rod and is buckled in support Buckle elbow on disk circumference edge；Excitation bar is vertically fixed on the middle part of oscillating rod；Rebound pressure spring is resiliently supported at handle Between bar and excitation bar, and both ends are fixedly mounted by spacing projection respectively；It springs back pressure spring and pushes excitation bar, make oscillating rod to branch Hold round Pan Chu swing.

Further, excitation limit external screw thread is equipped on the upper end outer wall of puncture tube；The spiral shell on excitation limit external screw thread Line, which screws, is equipped with excitation stop nut；Excitation stop nut is located above the upper orifice of sliding sleeve pipe.

Further, it is fixedly installed protection mounting base on handlebar stem, and is provided with the installation of T shape in protection mounting base Slot；T shape protective block is fitted on T shape mounting groove；Protection jack is equipped on T shape protective block；The end of excitation bar is inserted into It protects in jack；There are two the stop collars that insulate for setting in the inner tube wall of puncture tube；On the upper side ring surface of insulation stop collar Equipped with the non-return cover of taper to radio frequency conductive pipe outer wall shrink wrapped；The non-return cover of taper is elastic rubber structure, for preventing liquid Body flows downward along the gap of puncture tube and radio frequency conductive pipe.

Further, limited support device is installed in outer protection tube；Limited support device is by two clamp assemblies and clamping bullet Spring is constituted；Clamp assemblies are made of semicircle support plate, grip handle and clamping arc panel；It is set in the center point of semicircle support plate There is semicircular notch, and the diameter of semicircular notch is more than or equal to the overall diameter of outer protection tube；Grip handle setting is supported in semicircle On plate, and grip handle is upturned by the upper side of semicircle support plate；Hinged mounting blocks, two folders are equipped in grip handle Handle is held to be installed together by hinged mounting blocks；Clamping arc panel is vertically provided on the upper side of semicircle support plate, and position At semicircular notch；Rubber antiskid pad is provided in the inside cambered surface of clamping arc panel；In the opposite of two grip handles Inside is equipped with positioning convex column, and clamp springs both ends are mounted in two positioning convex columns；Clamp springs push two grip handles Tail end separation so that two semicircle support plates merge into circular base slab, two clamping arc panels merge into circular tube shaped, by rubber Glue non-slip mat grips the outer wall of outer protection tube.

The beneficial effect of the invention is: the quantitative injection of curing agent is realized using curing agent injector；Using wearing Thorn exciter is able to carry out puncture excitation, and adjusts paracentesis depth using excitation stop nut；Utilize sealing end and negative tube Setting can be convenient for the liquid discharge in tumour；It can be realized the RF ablation of spherical inner chamber using radio frequency end.

Detailed description of the invention

Fig. 1 is the broken section structural schematic diagram of the invention；

Fig. 2 is the limited support device structural schematic diagram of the invention；

Fig. 3 is the curing agent injector structures schematic diagram of the invention.

Specific embodiment

As shown in Figure 1-3, the Cystis therapeutic device based on ablation that the invention provides includes: puncture tube 1, radio frequency Contact tube 2, outer protection tube 44 and centre pilot bar 5；Puncture tube 1 is inserted into outer protection tube 44；The lower end nozzle of puncture tube 1 is arranged To chamfer puncture orifice 9；The upper end tube nozzle of puncture tube 1 is provided with sealing end 25, and is provided with and wears on sealing end 25 The negative tube 26 that thorn pipe 1 is connected；Radio frequency conductive pipe 2 is vertically inserted into puncture tube 1 behind sealing end 25；It is led in radio frequency The upper end of fulgurite 2 is provided with radiofrequency signal access end, and the lower end of radio frequency conductive pipe 2 is provided with radio frequency end；Centre pilot Bar 5 is vertically inserted into radio frequency conductive pipe 2, and sealing ring is provided at insertion position, is passed through on centre pilot bar 5 along its axial direction It wears and is equipped with curing agent injection pore.It can be realized puncture for treating using beveling puncture orifice 9, it, can without carrying out operative treatment The treatment pain of tumor patient is effectively reduced, and is conducive to patient's recovery, reduces recurrence rate, improves curative effect；Utilize sealing end 25 and negative tube 26 setting can after piercing by tumour liquid be sucked out, be convenient for subsequent ablation；Utilize centre pilot Curing agent injection pore on bar 5 can be convenient for injecting curing agent after ablation；It can be realized radio frequency using radio frequency conductive pipe 2 to believe Number to radio frequency end point transmit.

It further, further include a curing agent injector；Curing agent injector abutting joint is upper centre pilot bar 5 On end, and it is connected with the upper aperture of curing agent injection pore.

Further, curing agent injector includes transparent liquid storage cylinder 30, piston head 33 and piston rod 34；In transparent storage One end of liquid cylinder 30 is provided with outlet tube 31, and abutting joint external screw thread is equipped on the outer tube wall of outlet tube 31, in liquid out Sealing ring 32 is provided at the nozzle of pipe 31；The other end of transparent liquid storage cylinder 30 is provided with propulsion driving nut 35；In work Propulsion driving external screw thread 36 is provided on stopper rod 34；Piston rod 34 is mounted on propulsion driving by promoting driving external screw thread 36 to screw On nut 35；Piston head 33 is rotatably mounted on one end end of piston rod 34, is set on the other end end of piston rod 34 It is equipped with rotation driving handle 37；Piston head 33 is in transparent liquid storage cylinder 30, and the inner tube wall phase with transparent liquid storage cylinder 30 It is close to；Liquid measure graduation mark 38 is equipped on the outer tube wall of transparent liquid storage cylinder 30；It is provided on the upper end of centre pilot bar 5 End 29 is docked, is provided on docking end 29 and docks threaded hole with what outlet tube 31 was connected to each other.Utilize driving external screw thread 36 With the cooperation of driving nut 35, it is capable of the stroke of accurate piston rod 34, to effectively control the injection rate of curing agent.

Further, deep calibration line 28 is provided on the upper end of centre pilot bar 5.Utilize 28 energy of deep calibration line The tumour cavity size after ablation is shunk enough is measured, since the insertion depth of centre pilot bar 5 directly reacts six roots of sensation radio frequency metal The ellipsoid size that item 4 is propped up, and tumour inner wall is shunk close to six roots of sensation radio frequency metal item 4 after ablation, consequently facilitating doctor judges Inject the amount of curing agent.

Further, radio frequency end includes fixed disc 3, tension spring 6, button-head 7 and six roots of sensation radio frequency metal item 4；Gu Fixed disk 3 is fixed on the lower end of radio frequency conductive pipe 2；The upper and lower ends of six roots of sensation radio frequency metal item 4 are fixedly mounted respectively On fixed disc 3 and button-head 7, and the upper end of six roots of sensation radio frequency metal item 4 is located at 3 downside circumferential edges of fixed disc At 1 six Along ents, the lower end of six roots of sensation radio frequency metal item 4 is located at six Along ents of 7 upper side circumferential edges of button-head；Tension spring 6 upper and lower ends are respectively and fixedly installed at the center of fixed disc 3 and button-head 7；The downside of button-head 7 is arranged For arc surface.It is evenly dispersed on six roots of sensation radio frequency metal item 4 to can be realized radiofrequency signal using fixed disc 3；Utilize tension spring 6 It pulls, enables to six roots of sensation radio frequency metal item 4 to constitute elliposoidal support between fixed disc 3 and button-head 7, so that tumour Inner cavity is propped up and inner wall is close to six roots of sensation radio frequency metal item 4, plays preferable ablation effect；The downside of button-head 7 is set Being set to arc surface can prevent excessively sharp end face from puncturing tumour inner wall.

Further, the lower end of centre pilot bar 5 is fixedly mounted on circle after sequentially passing through fixed disc 3 and tension spring 6 At the upper side center of end 7；Centre pilot bar 5 is clearance fit at position fixed disc 3；In centre pilot bar Fluid hole 8 is provided at 5 lower end and close button-head 7；Fluid hole 8 is connected with curing agent injection pore.Utilize end The fluid hole 8 of portion's setting enables to curing agent to inject curing agent since the intracavity bottom of tumour；It is passed through using centre pilot bar Flexible guiding can be played the role of to tension spring 6 by wearing tension spring 6, so that the ellipsoid cavity that six roots of sensation radio frequency metal item 4 supports will not be askew Tiltedly.

Further, puncture exciter is installed on puncture tube 1；Puncturing exciter includes excitation pressure spring 14, handlebar stem 12 and relieving mechanism；Support disk 13 is fixedly installed on the outer tube wall of puncture tube 1；It is provided at the middle part of handlebar stem 12 Sliding sleeve pipe 24；Sliding sleeve pipe 24 is set on the upper end of puncture tube 1, and handlebar stem 12 is located at the top of support disk 13；Excitation pressure Spring 14 is set on puncture tube 1, and upper and lower ends are resiliently supported between handlebar stem 12 and support disk 13；Relieving mechanism includes Spring back pressure spring 21, oscillating rod 15 and excitation bar 17；One end of oscillating rod 15 is mounted on handle by the way that hinged seat 27 is tilting articulated On hand lever 12；The other end of oscillating rod 15 is provided with the buckle elbow 16 being buckled on support 13 circumferential edges of disk；Excitation Bar 17 is vertically fixed on the middle part of oscillating rod 15；Rebound pressure spring 21 is resiliently supported between handlebar stem 12 and excitation bar 17, and two End is fixedly mounted by spacing projection 20 respectively；Spring back pressure spring 21 push excitation bar 17, make oscillating rod 15 to support disk 13 at It swings.It can be realized the locking before excitation using the structure of support disk 13, oscillating rod 15 and buckle elbow 16, and when rotated Also it can be carried out buckle；Excitation bar 17 can be pushed always using rebound pressure spring 21, and there is oscillating rod 15 at support disk 13 The power of swing；Using sliding sleeve pipe 24 sliding can be punctured convenient for the axial of puncture tube 1.

Further, excitation limit external screw thread 23 is equipped on the upper end outer wall of puncture tube 1；External screw thread 23 is limited in excitation Upper threaded engagement is equipped with excitation stop nut 22；Excitation stop nut 22 is located above the upper orifice of sliding sleeve pipe 24.Using swash Hair limit external screw thread 23 and the cooperation for exciting stop nut 22, can limit the path increment for puncturing excitation, to effectively prevent swashing Hair punctures uncontrollable, it is ensured that the safety used.

Further, it is fixedly installed protection mounting base 19 on handlebar stem 12, and is provided with T in protection mounting base 19 Shape mounting groove；T shape protective block 18 is fitted on T shape mounting groove；Protection jack is equipped on T shape protective block 18；Excite bar 17 End be inserted into protection jack in；There are two the stop collars 10 that insulate for setting in the inner tube wall of puncture tube 1；It is limited in insulation The upper side ring surface of ring 10 is equipped with the non-return cover 11 of taper to 2 outer wall shrink wrapped of radio frequency conductive pipe；The non-return cover 11 of taper is bullet Property rubber structure, for preventing liquid from flowing downward along puncture tube 1 and the gap of radio frequency conductive pipe 2.Utilize protection mounting base 19 With the effect of T shape protective block 18, excitation bar 17 can be positioned when not exciting puncture, prevent false triggering, it is ensured that use Safety；Liquid can be prevented along puncture tube 1 and radio frequency conductive using the effect of the non-return cover 11 of insulation stop collar 10 and taper It flows back downwards in the gap of pipe 2.

Further, limited support device is installed in outer protection tube 44；Limited support device is by two clamp assemblies and clamping Spring 43 is constituted；Clamp assemblies are made of semicircle support plate 39, grip handle 40 and clamping arc panel 41；In semicircle support plate 39 the center point is equipped with semicircular notch, and the diameter of semicircular notch is more than or equal to the overall diameter of outer protection tube 44；Grip handle 40 are arranged in semicircle support plate 39, and grip handle 40 is upturned by the upper side of semicircle support plate 39；In grip handle 40 are equipped with hinged mounting blocks 45, and two grip handles 40 are installed together by hinged mounting blocks 45；It is perpendicular to clamp arc panel 41 To being arranged on the upper side of semicircle support plate 39, and it is located at semicircular notch；In the inside cambered surface of clamping arc panel 41 It is provided with rubber antiskid pad 42；Positioning convex column 46,43 both ends of clamp springs are equipped in the relative inner of two grip handles 40 It is mounted in two positioning convex columns 46；Clamp springs 43 push the tail end separation of two grip handles 40, so that two semicircle branch Fagging 39 merges into circular base slab, and two clamping arc panels 41 merge into circular tube shaped, pads 42 pairs of outer protection tubes 44 by rubber antiskid Outer wall gripped.The circular base slab constituted using limited support device, it is enterprising can be supported on human body surface skin Row support, control effectively to insertion depth；Using the effect of two grip handles 40, up and down adjustment support can be facilitated solid Positioning is set.

The Cystis therapeutic device based on ablation that the invention provides adjusts outer shield when in use, by limited support device The inserting depth of pipe 44, and limited support is carried out, convenient for the stability for melt and inject curing agent later；Utilize hardening Agent injector realizes the quantitative injection of curing agent, and indicates injection rate according to liquid measure graduation mark 38；It can using exciter is punctured Puncture excitation is carried out, and adjusts paracentesis depth using excitation stop nut 22, it is ensured that the safety used；Utilize sealing end 25 Setting with negative tube 26 can be convenient for the liquid discharge in tumour；Disappeared using the radio frequency that radio frequency end can be realized spherical inner chamber Melt, be mutually close to tumour inner wall, there is preferable ablation effect；The capsule after ablation is shunk can be measured using deep calibration line 28 Swollen cavity size, because the insertion depth of centre pilot bar 5 directly reacts the ellipsoid size that six roots of sensation radio frequency metal item 4 is propped up, from And the amount of injection curing agent is judged convenient for doctor.

Claims

1. A cyst treatment device based on ablation, characterized in that: it comprises a puncture tube (1), a radio frequency conductive tube (2), an outer protective tube (44) and a central guide rod (5); the puncture tube (1) is inserted into the It is installed in the outer protective tube (44); the lower end of the puncture tube (1) is provided with a chamfered puncture opening (9); the upper end of the puncture tube (1) is provided with a sealing end (25), and is sealed The end head (25) is provided with a negative pressure tube (26) that communicates with the puncture tube (1); the radio frequency conductive tube (2) penetrates the sealed end head (25) and is vertically inserted into the puncture tube (1); A radio frequency signal access terminal is provided at the upper end of the radio frequency conductive tube (2), and a radio frequency terminal is provided at the lower end of the radio frequency conductive tube (2); the central guide rod (5) is vertically inserted into the radio frequency conductive tube (2), A sealing ring is arranged at the insertion position, and a hardener injection fine hole is arranged through the central guide rod (5) along its axial direction.

2. The cyst treatment device based on ablation according to claim 1, characterized in that: it further comprises a sclerosing agent injector; the sclerosing agent injector is butt-mounted on the upper end of the central guide rod (5), and is connected with the sclerosing agent The upper orifice of the agent injection fine hole is communicated with each other.

3. The cyst treatment device based on ablation according to claim 2, characterized in that: the sclerosant injector comprises a transparent liquid storage cylinder (30), a piston head (33) and a piston rod (34); One end of the liquid cylinder (30) is provided with a liquid outlet pipe (31), and a butt mounting external thread is provided on the outer pipe wall of the liquid outlet pipe (31), and a nozzle of the liquid outlet pipe (31) is provided with A sealing ring (32); a propulsion drive nut (35) is arranged on the other end of the transparent liquid storage cylinder (30); an advance drive external thread (36) is arranged on the piston rod (34); the piston rod (34) passes through The propulsion drive external thread (36) is screwed and installed on the propulsion drive nut (35); the piston head (33) is rotatably installed on one end of the piston rod (34), and on the other end of the piston rod (34) A rotary drive handle (37) is arranged on the upper part; the piston head (33) is embedded in the transparent liquid storage cylinder (30), and is in close contact with the inner cylinder wall of the transparent liquid storage cylinder (30); The outer cylinder wall of the cylinder (30) is provided with a liquid volume scale line (38); the upper end of the central guide rod (5) is provided with a butt end (29), and the butt end (29) is provided with The butt threaded hole where the liquid outlet pipe (31) is connected.

4. The cyst treatment device based on ablation according to claim 2, wherein a depth scale line (28) is provided on the upper end of the central guide rod (5).

5. The cyst treatment device based on ablation according to claim 1, wherein the radio frequency tip comprises a fixed disc (3), a tension spring (6), a round tip (7) and six radio frequency metal strips (4); the fixed disc (3) is fixedly arranged on the lower end of the radio frequency conductive tube (2); the upper and lower ends of the six radio frequency metal strips (4) are fixedly installed on the fixed disc (3) and the round end respectively (7), and the upper ends of the six RF metal strips (4) are located at 1 bisectors of the circumferential edge of the lower side of the fixed disc (3), and the lower ends of the six RF metal strips (4) are located at the circular end (7). ) at the six equal points of the circumferential edge of the upper side; the upper and lower ends of the tension spring (6) are fixedly installed at the center of the fixed disc (3) and the circular end (7); the circular end (7) The lower side is set as an arc surface.

6 . The cyst treatment device based on ablation according to claim 5 , wherein the lower end of the central guide rod ( 5 ) passes through the fixed disc ( 3 ) and the tension spring ( 6 ) in sequence and is then fixedly installed in the circular shape. 7 . At the center of the upper side of the end head (7); the central guide rod (5) is a clearance fit at the penetration position of the fixed disc (3); at the lower end of the central guide rod (5) and close to the circular end (7) ) is provided with a liquid outlet hole (8); the liquid outlet hole (8) is communicated with the hardener injection fine hole.

7. The cyst treatment device based on ablation according to claim 1, characterized in that: a puncture exciter is installed on the puncture tube (1); the puncture exciter comprises an excitation compression spring (14), a handle bar (12) and a release mechanism; a support disc (13) is fixedly arranged on the outer wall of the puncture tube (1); a sliding sleeve (24) is arranged in the middle of the handle bar (12); the sliding sleeve (24) is sleeved On the upper end of the puncture tube (1), the handle bar (12) is located above the support disc (13); the excitation compression spring (14) is sleeved on the puncture tube (1), and the upper and lower ends are elastically supported on the handle between the rod (12) and the supporting disc (13); the release mechanism includes a rebound compression spring (21), a swing rod (15) and an excitation rod (17); one end of the swing rod (15) swings through a hinged seat (27) hingedly mounted on the handle rod (12); the other end of the swing rod (15) is provided with a snap-fit elbow (16) which is snapped on the circumferential edge of the support disc (13); the excitation rod (17) is vertically fixed In the middle of the swing rod (15); the rebound compression spring (21) is elastically supported between the handle rod (12) and the excitation rod (17), and the two ends are respectively fixed and installed by the limiting protrusions (20); the rebound compression spring (21) Push the excitation lever (17) to swing the swing lever (15) to the support disc (13).

8. The cyst treatment device based on ablation according to claim 7, characterized in that: an excitation limit external thread (23) is provided on the outer wall of the upper end of the puncture tube (1); ) upper thread is screwed and installed with an excitation limit nut (22); the excitation limit nut (22) is located above the upper nozzle of the sliding sleeve (24).

9. The cyst treatment device based on ablation according to claim 7, characterized in that: a protective mounting seat (19) is fixedly arranged on the handle bar (12), and a T is provided on the protective mounting seat (19). A T-shaped protective block (18) is inserted into the T-shaped installation groove; a protective jack is provided on the T-shaped protective block (18); the end of the excitation rod (17) is inserted into the protective jack two insulation limit rings (10) are arranged on the inner wall of the puncture tube (1); on the upper ring surface of the insulation limit ring (10), there are arranged to shrink toward the outer wall of the radio frequency conductive tube (2). The wrapped conical non-return cover (11); the conical non-return cover (11) is an elastic rubber structure, which is used to prevent the liquid from flowing downward along the gap between the puncture tube (1) and the radio frequency conductive tube (2).

10. The cyst treatment device based on ablation according to claim 1, characterized in that: a limiting supporter is installed on the outer protective tube (44); the limiting supporter consists of two clamping assemblies and a clamping spring (43) ); the clamping assembly is composed of a semicircular supporting plate (39), a clamping handle (40) and a clamping arc plate (41); a semicircular notch is provided at the center of the semicircular supporting plate (39), and The diameter of the semicircular notch is greater than or equal to the outer diameter of the outer protective tube (44); the clamping handle (40) is arranged on the semicircular supporting plate (39), and the clamping handle (40) is formed by the semicircular supporting plate (39). The upper side is tilted upward; the clamping handle (40) is provided with a hinged mounting block (45), and the two clamping handles (40) are mounted together through the hinged mounting block (45); the curved plate (41) is clamped It is vertically arranged on the upper side of the semicircular support plate (39) and is located at the semicircular notch; a rubber anti-skid pad (42) is arranged on the inner arc surface of the clamping arc plate (41); The opposite inner sides of the clamping handle (40) are provided with positioning protrusions (46), and both ends of the clamping spring (43) are mounted on the two positioning protrusions (46); the clamping spring (43) pushes the two clamping The rear end of the handle (40) is separated, so that the two semicircular support plates (39) are combined into a circular support plate, the two clamping arc plates (41) are combined into a circular tube shape, and the outer tube is protected by a rubber anti-skid pad (42). The outer wall of (44) is clamped and fixed.