CN209332259U - A kind of soft type water cooling Microwave Coagulation electrode of cup head half - Google Patents

Abstract

The utility model discloses a kind of soft type water cooling Microwave Coagulation electrodes of cup head half, comprising: the stable and reliable electromagnetic radiation wave structure of the compositions such as cup head radiation electrode, medium tube, semi-rigid coaxial cable and metal outer bush；It further include the heat-exchange system to the best cooling and unimodal current of semi-rigid coaxial cable in elongated needle body of the integral water-cooled structures of compositions such as water shutoff sleeve, the Inlet and outlet water capillary of the welding of metal outer conductor tail end and petal-shaped chamber casing composition；It further include the metal developing ring and laser pointer system of its front end；It further include the best cooling structure of the radio frequency connector of its microwave input.The outstanding feature of the utility model is the precision for substantially increasing the microwave ablation illness under the guidance of the Modern Imaging Techniques such as B ultrasound, CT；Not only being used for it, treatment of Microwave Coagulation of varication illness is more safe and effective, and the Microwave Coagulation treatment for its expansion in illness in Endovascular, internal organs cavity or enteron aisle is also improved reliable guarantee.

Description

A kind of soft type water cooling Microwave Coagulation electrode of cup head half

Technical field

The utility model relates to a kind of soft type water cooling Microwave Coagulation electrodes of cup head half, are suitable for lumen of vessels on clinical medicine Interior and the intracavitary illness of internal organs Microwave Coagulation (ablation) treats operation, belongs to medical microwave technical applications.

Background technique

With the rapid advances of Modern Imaging Technique, more and more minimal invasive techniques gradually expand each neck in clinical medicine Domain.Since the 21th century, Microwave Coagulation (ablation) technology application development on clinical medicine is swifter and more violent.

Due to minimally invasive, efficient, the accurately outstanding advantages of microwave ablation techniques, especially have that heating rate is fast, temperature in tumor Degree is high, be carbonized and influence of blood flow is small, and the big significant advantage of ablation range, especially it is to tumour after middle and advanced stage and recurrence after operation Therapeutic effect, be allowed to Percutaneous punctural intervention in chest, abdomen and pelvic cavity good, malignant entity tumor microwave ablation techniques at For one of the means of clinically Minimally Interventional Therapy, lung cancer, liver cancer, kidney, adrenal tumor, pelvic swelling are had been widely used in The microwaves minimally-invasive treatment such as tumor and bone tumour.

On clinical medicine, existing threadiness Microwave Coagulation semi-flexible (ablation) electrode (needle) be widely used to cavity or The Microwave Coagulation of intravascular disease is treated.For the microwave needle of this therapy field, needle body must be half soft shape and length Degree will be grown, and generally 1.2-2.0 meters, therefore be in objectively very important serious problems, in clinical operation therapeutic process In, for microwave cable there is transmission loss, loss power will account for the 1/4-1/3 that host exports total microwave power in needle body, and And heat is converted in real time, it is allowed to constantly generate heat, constantly heat up, with the continuation of micro-wave therapeutic, often because of shank overheat, temperature Pain that is excessively high, causing patient to be out of patience, or even burn normal cavity or blood vessel.This defect of existing product, especially with The clinician of varicose treatment and patient's reflection are the strongest.In addition, existing threadiness microwave needle is in its tail portion feed-in energy The microwave connector position of amount does not have cooling measure, this brings great discomfort to clinician.

The semi-rigid water-cooling microwave ablation needle treated to the Microwave Coagulation for being relatively specific for clinical cavity or intravascular disease comes Say, sufficiently meet B ultrasound or CT etc. it is modern it is image-guided under Microwave Coagulation (ablation) illness precise positioning in terms of, also still deposit In deficiency.

Utility model content

Key technical problem to be solved in the utility model is: overcoming the technological deficiency of above-mentioned existing product, proposes one kind The soft type water cooling Microwave Coagulation electrode of cup head half, can safely and effectively implement in internal organs cavity and endovascular illness microwave thermal Solidifying (ablation) treatment, while the high efficiency of Microwave Coagulation (ablation) and the precision for the treatment of are improved, and realize therapeutic process Stability.

The technical solution of the utility model is as follows:

A kind of soft type water cooling Microwave Coagulation electrode of cup head half, needle body front-end architecture, water cooling knot including radiated electromagnetic wave The needle body and handle of structure, wherein the needle body front-end architecture of radiated electromagnetic wave includes that cup head radiation electrode, medium tube, semi-rigid are coaxial Cable and metal outer bush, the inner conductor of the semi-rigid cable head-end are packed into the cylindrical body of semicircle head dummy radiation electrode tail portion Blind hole in, the medium tube encapsulation is on the cylindrical body of cup head radiation electrode tail portion, in the front end of the metal outer bush Hole encapsulation is in the shoulder outer circle of medium tube tail portion, while its axle center hole encapsulation is on the semi-rigid coaxial cable；Water-cooling structure Needle body include water shutoff sleeve, water inlet capillary, water outlet capillary and petal-shaped chamber casing, the water shutoff sleeve is with centre The two-way thin tubular structure of partition, wherein spacing board is equipped with centre bore and holes around, and the thin wound packages of water shutoff barrel forward end is covered in gold In the shoulder outer circle for belonging to outer bush tail end, centre bore encapsulation obtains metal outer bush, water shutoff sleeve in semi-rigid coaxial cable surface The cavity formed with intermediate bulkhead, water inlet capillary and the front end for being discharged capillary pass through holes around and are arranged in cavity inside；Flower Valve type chamber casing front end encapsulation is in water inlet capillary and water outlet capillary surface, and contraposition is fixed on close to water shutoff sleeve tail end Position；Handle encapsulation is in petal-shaped chamber casing, water inlet capillary, the tail end for being discharged capillary and semi-rigid coaxial cable；In hand Inside handle, for water jacket front end encapsulation on water inlet capillary and semi-rigid coaxial cable, tail end aligns encapsulation before radio-frequency joint In end stand shoulder outer circle, backshank water shutoff cap front end encapsulation in water inlet capillary, water outlet capillary and semi-rigid coaxial cable on, tail end Contraposition is fixed in the shoulder outer circle of water jacket front end, so as to form the water inlet cavity of microwave needle Aculeata；Wherein it is discharged capillary It is pierced by from water inlet cavity, and is connect with water outlet pipe；Water inlet adapter tube is connected to water jacket internal cavity；The connection of radio-frequency joint one end Semi-rigid coaxial cable, the other end and handle set assembly connection.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, the handle includes sequentially connected hand Handle cap, handle body and handle set, the petal-shaped chamber casing, water inlet capillary, water outlet capillary and semi-rigid coaxial cable it is another One end penetrates handle inner from handle cap end, and the radio-frequency joint is fixedly connected on handle set.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, the needle body front-end architecture of radiated electromagnetic wave It further include metal developing ring, metal developing ring is set to water shutoff sleeve tail end adjacent position, and is fixed on into water capillary and goes out Water capillary surface.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, the petal-shaped chamber casing encapsulation in into Water capillary and water outlet capillary surface, and extend in the handle of needle body tail portion, front end contraposition is fixed on close to water shutoff The position of sleeve tail end, and pass through lacing wire binding and fixing.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, further includes optical fiber and photo-coupler, The optical fiber is placed in the water inlet capillary on semi-rigid coaxial cable surface and is discharged between the gap of capillary, and axial therewith Parallel, front end face, that is, laser designation light of optical fiber is extended to close to the position of water shutoff sleeve tail end；The optical fiber tail Portion connects photo-coupler, and the photo-coupler is mounted on handle body.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, the front end of the cup head radiation electrode Cup head is T shape cylindrical structure.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, the water jacket and radio-frequency joint, water inlet Set and water inlet adapter tube, backshank water shutoff cap and water jacket, backshank water shutoff cap and water outlet capillary, be discharged capillary and water outlet pipe, Metal outer bush axle center hole and semi-rigid coaxial cable cooperation contact site, water shutoff sleeve and metal outer bush encapsulation position, water shutoff Bushing core hole and semi-rigid coaxial cable surface are set with position, are connected by air-tightness welding manner.

Further, the soft type water cooling Microwave Coagulation electrode of cup head half, the water outlet capillary are sealed from backshank The end clearance of water cap and water jacket is placed in into except water cavity, and is connect with water outlet pipe.

A kind of soft type water cooling Microwave Coagulation electrode of cup head half provided by the utility model, the water shutoff sleeve intermediate bulkhead It is equipped with centre bore and holes around, holes around may further be 4 apertures of enclosing centre bore, and 4 apertures are built-in to be welded with two Two corresponding water-in and water-out capillaries, thus constitute the path of the water cooling cycle of this Microwave Coagulation electrode front end, i.e., cooling water from The cavity that capillary injection metal outer bush of intaking is formed with water shutoff sleeve, then flowed out to outside needle body through being discharged capillary, with shape At the cooling water flow of single cycle, implement the good cooling to the front end of the utility model Microwave Coagulation electrode.Meanwhile utilization is petal-shaped Chamber casing will intake capillary and water outlet capillary form the enclosing to semi-rigid coaxial cable surface contact, to further realize Good cooling to semi-rigid coaxial cable.

The present invention specifically has the advantages that compared with prior art:

The shape feature of 1 cup head radiation electrode is: its front end can be the T shape cylindrical body of cup head, in clinical operation When, during the utility model penetrates Endovascular or internal organs are intracavitary, people will not be stabbed, scratch or be abraded to radiation electrode Body tissue.

Tantalum metal or platinumiridio material can be selected in 2 metal developing rings, draws in favor of improving in the modern image such as B ultrasound, CT It leads down, to the precise positioning of this Microwave Coagulation electrode interventional therapy illness, is installed on water shutoff sleeve tail portion, and be loaded and be fixed on Four water-in and water-out capillary surfaces.

3 optical fibers conduct laser designation light to the front end position of this Microwave Coagulation electrode, are conducive to this Microwave Coagulation Electrode is to shallow illness, such as the precise positioning of varicose treatment.

4 petal-shaped chamber casings select the special engineering plastics such as polytetrafluoroethylene (PTFE) or polyether-ether-ketone, with good resistance to height Temperature stability, non-toxic, self-lubrication and flexible, thus make microwave needle needle body assembly suitable for clinical operation into The needle body semi-flexible of row axial movement and bending motion.Water-in and water-out capillary is enclosed with the special-shaped inner cavity of petal-shaped chamber casing In the surrounding of semi-rigid coaxial cable, until the tail portion of this Microwave Coagulation (ablation) electrode elongated needle body, is realized to semi-rigid coaxial electrical The good cooling effect of cable, to guarantee the stability of its microwave transmission working condition.

5 in the handle of this Microwave Coagulation electrode tail portion, comprising: photo-coupler, it is characterised in that: the photo-coupler For patching laser light source, laser is imported into optical fiber, until conduction is presented laser facula, improves microwave thermal to its front end The precision of solidifying treatment；The semiconductor laser of red light wavelength 650nm can be selected in the utility model laser light source.

6 in the handle of this Microwave Coagulation electrode tail portion, further includes: backshank water shutoff cap, water jacket, water outlet pipe, water inlet Adapter tube and radio-frequency joint, the water jacket and radio-frequency joint, water jacket and water inlet adapter tube, backshank water shutoff cap and water jacket, backshank Water shutoff cap and water outlet capillary, the water outlet air-tightness group such as capillary and water outlet pipe weldering, assembly are this Microwave Coagulation (ablation) electricity The water inlet that injection water jacket and backshank water shutoff set are taken over from water inlet in the path of the water cooling cycle of pole needle body tail portion, i.e. cooling water is empty It is intracavitary, then injected in cavity described in the front end of this Hot probe along water inlet capillary, then the water outlet pipe stream through being discharged capillary Out, to form the cooling one-way circulation system of water.

7 handle in this Microwave Coagulation (ablation) electrode tail portion can breathe out not handle body and handle set by handle cap, a pair Composition, in favor of the assembly of this electrode tail portion needle body, then is adhesively fixed.

Soft type water cooling Microwave Coagulation (ablation) electrode of a kind of cup head half of the utility model, based on clinical medicine lumen of vessels The minimally-invasive treatment application of the interior and intracavitary illness of internal organs solves its front end electromagnetic radiation wave stability and its good effectively Good water cooling effect；The water for solving elongated semi-rigid coaxial cable is cooling, guarantees that it transmits micro- wave stability；Its tail portion knot Its tail portion water cooling cycle of structure very good solution, and solve the cooling to radio-frequency joint；The metal developing ring and laser of its front end Instruction, effectively improves the precision of clinical disease minimally-invasive treatment.

Detailed description of the invention

The utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the needle body front-end architecture schematic diagram of radiated electromagnetic wave described in embodiment 1；

Fig. 2 is the needle body and handle arrangement schematic diagram of water-cooling structure described in embodiment 1；

Fig. 3 is A-A sectional view described in embodiment 1；

Fig. 4 is the A of embodiment 1 to schematic diagram；

Fig. 5 is the soft type water cooling Microwave Coagulation electrode overall structure diagram of cup head half described in embodiment 1；

Label and signal title in Fig. 1-Fig. 5, it is as follows: 1- cup head radiation electrode, 2- medium tube, 3- semi-rigid coaxial electrical Cable, 4- metal outer bush, 5- water inlet capillary, 6- are discharged capillary, 7- water shutoff sleeve, 8- metal developing ring, 9- binding metal Silk, the petal-shaped chamber casing of 10-, 11- optical fiber, 12- handle cap, 13- handle body, 14- photo-coupler, 15- water outlet pipe, 16- water inlet adapter tube, 17- handle set, 18- radio-frequency joint, 19- water jacket, 20- backshank water shutoff cap.

Specific embodiment

Embodiment 1

It as depicted in figs. 1 and 2, is the needle of the radiated electromagnetic wave of the soft type water cooling Microwave Coagulation electrode of the present embodiment cup head half The needle body and handle arrangement (Fig. 2) of body front-end architecture (Fig. 1) and water-cooling structure,

Wherein the needle body front-end architecture of radiated electromagnetic wave includes cup head radiation electrode 1, medium tube 2, semi-rigid coaxial cable 3 With metal outer bush 4, the inner conductor of 3 front end of semi-rigid coaxial cable is packed into the cylindrical body of 1 tail portion of semicircle head dummy radiation electrode Blind hole in, 2 encapsulation of medium tube is on the cylindrical body of 1 tail portion of cup head radiation electrode, the front end of the metal outer bush 4 Inner hole encapsulation is in the shoulder outer circle of 2 tail portion of medium tube, while its axle center hole encapsulation is on the semi-rigid coaxial cable 3；Water cooling The needle body of structure includes water shutoff sleeve 7, water inlet capillary 5, water outlet capillary 6 and petal-shaped chamber casing 10, the water shutoff sleeve 7 For the two-way thin tubular structure with intermediate bulkhead, wherein spacing board is equipped with centre bore and holes around, and 7 front end of water shutoff sleeve is thin Wound packages covers in the shoulder outer circle of 4 tail end of metal outer bush, and centre bore encapsulation obtains outside metal in 3 surface of semi-rigid coaxial cable The cavity that guide sleeve 4, water shutoff sleeve 7 and intermediate bulkhead are formed, water inlet capillary 5 and the front end for being discharged capillary 6 pass through holes around It is arranged in cavity inside；Petal-shaped 10 front end encapsulation of chamber casing aligns solid in water inlet capillary 5 and water outlet 6 surface of capillary It is scheduled on close to the position of 7 tail end of water shutoff sleeve；Handle encapsulation is in petal-shaped chamber casing 10, water inlet capillary 5, water outlet capillary 6 and semi-rigid coaxial cable 3 tail end；In handle inner, 19 front end encapsulation of water jacket is in water inlet capillary 5 and semi-rigid coaxial cable On 3, tail end aligns encapsulation in 18 front end shoulder outer circle of radio-frequency joint, and 20 front end encapsulation of backshank water shutoff cap is in water inlet capillary 5, it is discharged on capillary 6 and semi-rigid coaxial cable 3, tail end contraposition is fixed in 19 front end shoulder outer circle of water jacket, with this shape At the water inlet cavity of microwave needle Aculeata；Wherein water outlet capillary 6 is pierced by from water inlet cavity, and is connect with water outlet pipe 15；Into Water adapter tube 16 is connected to 19 internal cavity of water jacket；18 one end of radio-frequency joint connects semi-rigid coaxial cable 3, the other end and handle set 17 assembly connections.

Further can be seen that the handle by Fig. 1 and Fig. 2 includes sequentially connected handle cap 12,13 and of handle body Handle set 17, the petal-shaped chamber casing 10, water inlet capillary 5, water outlet capillary 6 and semi-rigid coaxial cable 3 the other end from Handle cap end penetrates handle inner, and the radio-frequency joint 18 is fixedly connected on handle set 17；The needle body front end of radiated electromagnetic wave Structure further includes metal developing ring 8, and metal developing ring 8 is set to 7 tail end adjacent position of water shutoff sleeve, and is fixed on into water capillary Pipe 5 and water outlet 6 surface of capillary；Petal-shaped 10 encapsulation of chamber casing is in water inlet capillary 5 and is discharged 6 surface of capillary, and It extends in the handle of needle body tail portion, front end contraposition is fixed on close to the position of 7 tail end of water shutoff sleeve, and passes through binding gold Belong to 9 binding and fixing of silk；Optical fiber 11 is placed in the water inlet capillary 5 on 3 surface of semi-rigid coaxial cable and is discharged the gap of capillary 6 Between, and axial parallel therewith, front end face, that is, laser designation light of optical fiber 11 are extended to close to the portion of 7 tail end of water shutoff sleeve Position；11 tail portion of optical fiber connects photo-coupler 14, and the photo-coupler 14 is mounted on handle body 13.

Further, in this embodiment the water outlet capillary 6 is between backshank water shutoff cap 20 and the end face of water jacket 19 Gap is placed in into except water cavity, and is connect with water outlet pipe 15.

Shown in Fig. 3, it can be seen that be provided with two water inlet capillaries 5 and two water outlet capillaries 6, light guide in the present embodiment Fiber 11 is placed in into the gap of water capillary 5 and water outlet capillary 6, can be by laser conduction to needle body front end position.

It is handle set end A to schematic diagram, it can be seen that intake in the present embodiment adapter tube 16,15 and of water outlet pipe shown in Fig. 4 Set-up mode of the radio-frequency joint 18 on handle set 17.

Fig. 5 can be seen that the overall schematic of the soft type water cooling Microwave Coagulation electrode of cup head half provided in this embodiment, table Up to the needle body front-end architecture of its radiated electromagnetic wave, elongated water-cooling structure needle body and the handle of needle body tail portion is set, including The connection of the petal-shaped chamber casing 10 of needle body appearance.

The assembly method of the soft type water cooling Microwave Coagulation electrode of the present embodiment cup head half, specific as follows:

1, the assembly of electromagnetic radiation wave structure

(1) inner conductor of semi-rigid coaxial cable 3 is fitted into the blind hole of tail portion cylindrical body of cup head radiation electrode 1, is adopted It is aided with the fixation that presses with welding；

(2) by 2 encapsulation of medium tube on the tail portion cylindrical body of cup head radiation electrode 1, it is solid that matching surface is coated with bonding agent It is fixed；

(3) 4 front end encapsulation of metal outer bush is welded and fixed in the shoulder outer circle of 2 tail portion of medium tube using air-tightness, The axle center hole encapsulation of its metal outer bush 4 is welded and fixed on the outer conductor surface of semi-rigid coaxial cable 3 with air-tightness；

(4) water shutoff sleeve 7 is aligned into encapsulation to metal outer bush 4 from its tail portion along 3 outer conductor surface of semi-rigid coaxial cable Shoulder outer circle on, and be welded and fixed with air-tightness, then the capillary 5(two that will intake) and be discharged capillary 6(two) two-by-two The opposite metal outer conductor 4(intermediate bulkhead that penetrates) in 4 apertures, then together with semi-rigid coaxial cable 3 together with metal outer conductor 4 Air-tightness is carried out to be welded and fixed；

Hereafter, the water flowing leak detection of Ying Jinhang water-in and water-out；

(5) metal developing ring 8 is pressed in water inlet capillary 5 and is discharged the surface of capillary 6；

(6) optical fiber 11 is parallel between water-in and water-out capillary interstice；

(7) conformal half soft four fluorine tube 10 is aligned into encapsulation in the surface of water inlet capillary 5 and water outlet capillary 6, contraposition exists The tail end of water shutoff sleeve 7, then with lacing wire 9 by petal-shaped 10 binding and fixing of chamber casing.

So far, the assembly of the present embodiment electromagnetic radiation wave structure is completed.

2, the assembly of handle inner main structure:

(1) water inlet adapter tube 16 is welded in 19 outer circle corresponding aperture of water jacket；

(2) backshank water shutoff cap 20 is set in on water capillary 5, water outlet capillary 6 and semi-rigid coaxial cable 3, it is to be welded； Water jacket 19 is sleeved on water capillary 5 and half steel coaxial cable 3 again, it is to be welded；

(3) it by the inner and outer conductor of semi-rigid coaxial cable 3 firm welding corresponding with the inner and outer conductor of radio-frequency joint 18, then presses 19 structure of radio-frequency joint carries out water proof soldering and sealing；

(4) 19 uropore of water jacket contraposition encapsulation is welded solid in the front end shoulder outer circle of radio-frequency joint 18 with air-tightness It is fixed, air-tightness welding is then carried out together to 19 front end axle center hole of water jacket and water inlet capillary 5 and semi-rigid coaxial cable 3；

(5) by 20 uropore wielding neck of backshank water shutoff cap in 19 front end shoulder outer circle of water jacket, capillary 6 is discharged along needle 21 notch of tail water shutoff cap (notch being therefrom pierced by for water outlet capillary 6 is set on backshank water shutoff cap 20) and 19 front end face of water jacket It is pierced by, and carries out air-tightness welding, water outlet pipe 15 is being welded on water outlet capillary tail end；

(6) by 14 encapsulation of photo-coupler in 11 tail portion of optical fiber, to bond together.Note: the end face of optical fiber It is sure not to be contaminated.

So far, the erection welding of the handle inner subject component of the present embodiment is completed, related microwave property parameter should be carried out And the inspection of product the key technical indexes project.

3, handle integrally assembles:

(1) radio-frequency joint 18 of this needle body one integral piece is packed into the centre bore of handle set 17, is coated in the two assembly surface viscous Agent is connect to fix；

(2) 13 tail end of handle body is packed into 17 stomidium of handle set, is coated with bonding agent in the two assembly surface and fixes；

(3) on by handle cap 12 from needle body front end encapsulation to the shoulder outer circle of 13 front end of handle body, in the two assembly surface Bonding agent is coated with to fix.

So far, the whole assembling process for completing the soft type water cooling Microwave Coagulation electrode of the present embodiment cup head half, hereafter can hold Row national standard GB2828 sampling inspection product appearance, then row exfactory inspection.

In the assembling process of the present embodiment, the air-tightness welding is all made of unleaded tin welding, must not there is a bit void The defects of weldering, leak or infiltration.

The production of the present embodiment sample needle, and pass through the microwave loading experiment of a large amount of Pork liver ex vivos, highlight the utility model one Three big application characteristics of the kind soft type water cooling Microwave Coagulation electrode of cup head half: first, the range for radiating microwave thermal field is sufficiently stable. Second, laser designation and metal developing ring of front end setting etc. further increase the precision of its minimally-invasive treatment.Third, due to thin Semi-rigid coaxial cable has effective cooling and heat exchange conditions in minute hand body, makes it in middle and high microwave power (output) In the surgical procedure of application, microwave power output is stablized, system reliable operation.

A kind of soft type water cooling Microwave Coagulation electrode of cup head half provided by the utility model, applies the internal organs in clinical medicine Microwave Coagulation (ablation) the minimally-invasive treatment field of cavity and the illnesss such as intravascular, have safely and effectively, reliable performance and precision High feature.

In addition to above embodiments, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent The technical solution formed is converted, the protection scope of the requires of the utility model is all fallen within.

Claims (8)

1. a kind of soft type water cooling Microwave Coagulation electrode of cup head half, which is characterized in that the needle body front end knot including radiated electromagnetic wave The needle body and handle of structure, water-cooling structure, wherein the needle body front-end architecture of radiated electromagnetic wave includes cup head radiation electrode, medium The inner conductor of pipe, semi-rigid coaxial cable and metal outer bush, the semi-rigid cable head-end is packed into semicircle head dummy radiation electrode In the blind hole of the cylindrical body of tail portion, the medium tube encapsulation is on the cylindrical body of cup head radiation electrode tail portion, outside the metal The front end inner hole encapsulation of guide sleeve is in the shoulder outer circle of medium tube tail portion, while its axle center hole encapsulation is in the semi-rigid coaxial cable On；The needle body of water-cooling structure includes water shutoff sleeve, water inlet capillary, water outlet capillary and petal-shaped chamber casing, the water shutoff set Cylinder is the two-way thin tubular structure with intermediate bulkhead, and wherein spacing board is equipped with centre bore and holes around, water shutoff barrel forward end Thin wound packages covers in the shoulder outer circle of metal outer bush tail end, and centre bore encapsulation obtains outside metal in semi-rigid coaxial cable surface The cavity that guide sleeve, water shutoff sleeve and intermediate bulkhead are formed, water inlet capillary and the front end for being discharged capillary are arranged across holes around In cavity inside；Petal-shaped chamber casing front end encapsulation in water inlet capillary and water outlet capillary surface, and contraposition be fixed on it is close In the position of water shutoff sleeve tail end；Handle encapsulation is in petal-shaped chamber casing, water inlet capillary, water outlet capillary and semi-rigid coaxial electrical The tail end of cable；In handle inner, for water jacket front end encapsulation on water inlet capillary and semi-rigid coaxial cable, tail end aligns encapsulation In in the shoulder outer circle of radio-frequency joint front end, backshank water shutoff cap front end encapsulation is coaxial in water inlet capillary, water outlet capillary and semi-rigid On cable, tail end contraposition is fixed in the shoulder outer circle of water jacket front end, so as to form the water inlet cavity of microwave needle Aculeata；Its Middle water outlet capillary is pierced by from water inlet cavity and connect with water outlet pipe；Water inlet adapter tube is connected to water jacket internal cavity；Radio frequency Connector one end connects semi-rigid coaxial cable, the other end and handle set assembly connection.

2. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that the handle includes Sequentially connected handle cap, handle body and handle set, the petal-shaped chamber casing, water inlet capillary, water outlet capillary and semi-rigid The other end of coaxial cable penetrates handle inner from handle cap end, and the radio-frequency joint is fixedly connected on handle set.

3. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that radiated electromagnetic wave Needle body front-end architecture further includes metal developing ring, and metal developing ring is set to water shutoff sleeve tail end adjacent position, and be fixed on into Water capillary and water outlet capillary surface.

4. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that the petal-shaped chamber Casing encapsulation extends in the handle of needle body tail portion in water inlet capillary and water outlet capillary surface, and front end contraposition is fixed At the position close to water shutoff sleeve tail end, and pass through lacing wire binding and fixing.

5. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that further include light guide fibre Peacekeeping photo-coupler, the optical fiber be placed in semi-rigid coaxial cable surface water inlet capillary and be discharged capillary gap it Between, and axial parallel therewith, front end face, that is, laser designation light of optical fiber are extended to close to the position of water shutoff sleeve tail end；Institute Optical fiber tail portion connection photo-coupler is stated, the photo-coupler is mounted on handle body.

6. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that the cup head spoke The front end cup head of radio pole is T shape cylindrical structure.

7. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that the water jacket with Radio-frequency joint, water jacket and water inlet adapter tube, backshank water shutoff cap and water jacket, backshank water shutoff cap and water outlet capillary, water outlet capillary Pipe and water outlet pipe, metal outer bush axle center hole and semi-rigid coaxial cable cooperation contact site, water shutoff sleeve and metal outer bush Encapsulation position, water shutoff bushing core hole and semi-rigid coaxial cable surface are set with position, are connected by air-tightness welding manner.

8. the soft type water cooling Microwave Coagulation electrode of cup head half according to claim 1, which is characterized in that the water outlet capillary Pipe is to be placed in from the end clearance of backshank water shutoff cap and water jacket into except water cavity, and connect with water outlet pipe.