CN208851631U - A kind of medicine infusion type radio frequency ablation needle - Google Patents

A kind of medicine infusion type radio frequency ablation needle Download PDF

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Publication number
CN208851631U
CN208851631U CN201820946783.6U CN201820946783U CN208851631U CN 208851631 U CN208851631 U CN 208851631U CN 201820946783 U CN201820946783 U CN 201820946783U CN 208851631 U CN208851631 U CN 208851631U
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China
Prior art keywords
wall
infusion
needle
handle
radio frequency
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CN201820946783.6U
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Chinese (zh)
Inventor
谭石
付颖
刘士榕
黄九平
沈伟伟
刘畅
孙彦
崔立刚
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Peking University Third Hospital
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Peking University Third Hospital
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Abstract

The utility model discloses a kind of medicine infusion type radio frequency ablation needles, including handle, the inner wall of handle is equipped with fixed plate, fixed plate is connected with second gear and screw rod, the outer wall of screw rod is arranged with first gear, screw rod is connected with movable block, there are two struts for the side appearance wall insertion of movable block, there are four the first fixed blocks for the inner wall setting of handle, free cylinder is installed between four the first fixed blocks, empty cylinder inner wall is equipped with piston, two struts are screwed with piston thread and are connect, handle one end is connected with puncture tube, piercing needle is installed on puncture tube, piercing needle outer wall is uniformly provided with several infusion holes, puncture tube is internally provided with main infusion tube, main infusion tube is connected with dispersing head, the outer wall of dispersing head is provided with branch infusion tube, branch infusion tube is embedded in infusion hole.The medicine infusion type radio frequency ablation needle is designed by unique structure, can obtain many excellent technical effects, is had a good application prospect and promotion potential in clinical treatment field.

Description

A kind of medicine infusion type radio frequency ablation needle
Technical field
The utility model relates to a kind of ablation needles, relate more particularly to a kind of medicine infusion type radio frequency ablation needle, belong to Medical treatment device Tool technical field.
Background technique
In clinical medicine therapy field, radio frequency ablation needle can under the guidance of images, and percutaneous puncture is (logical to band therapentic part Often it is tumor focus position), make tumour cell coagulation necrosis by way of heat, to reach good oncotherapy purpose.Heat Ablation is a kind of minimally invasive, efficient, quick, homogeneous heating, the tumor therapeuticing method that thermocoagulation is thorough, easy to use, safe, It is widely applied on clinical treatment at present.
But there are some defects for existing medicine infusion type radio frequency ablation needle at present, and such as: 1, inconvenient injection, in doctor To patient lesion tissue injection when, be easy because movement range is excessive cause puncture tube deviate lesions position;2, existing note Only one infusion hole of the puncturing head of medicine formula radio frequency ablation needle, medical fluid are needed just be diffused into the entire affected area of patient for a long time, be infused Medicine process is slower, is unfavorable for the quick recovery of patient, and some patientss have the psychology such as anxiety, fear.
For these defects, researcher has carried out a large amount of further investigation, achieves many research achievements, example Such as:
CN101156804A discloses a kind of easy to use, peace for the microwave thermal ablation therapy of tumour and pathological tissues Full temperature control microwave melt needle, by ablation syringe needle, ablation needle tubing and handle form, ablation syringe needle and melt needle tubing one end it Between be equipped with tetrafluoro insulator, the other end connect with handle head, end seal is equipped in other end end, in the tail portion of handle equipped with consolidating Determine frame and the socket for external connection, coaxial cable connector and connection terminal is equipped on fixed frame, in above-mentioned ablation needle Microwave coaxial cable and stainless steel capillary are equipped in pipe, microwave coaxial cable passes through end seal, and connects with coaxial cable connector It connects, temperature sensor is equipped in end seal, the connection terminal for connecting temperature sensor is equipped on fixed frame, in handle tail Portion's fixed frame is equipped with inlet and outlet, and water outlet is connected to ablation needle tubing.It is esy to use, safe and reliable, simplify behaviour Make process, reduces a possibility that infecting in operating time and surgical procedure.
CN102652692A discloses a kind of microwave melt needle and attaching method thereof, microwave melt needle include ablation syringe needle, Needle tubing and handle are melted, melts and is equipped with tetrafluoro insulator between syringe needle and the one end for melting needle tubing, the other end for melting needle tubing connects It is connected to the head of handle, handle includes main body and pedestal, and the tail portion of main body has socket and the coaxial cable connection of inserted base Head, and the upper surface of main body is the first plane, and lower surface is the first cambered surface, and pedestal has metal interface, and the upper table of pedestal Face is the second plane, and one side is the second cambered surface.Wherein, when main body inserted base, the first plane and the first cambered surface of main body The second plane and the second cambered surface, coaxial cable connector for corresponding respectively to pedestal are sticked in metal interface.Method includes that will lead The first plane and the first cambered surface of body respectively correspond the second plane and the second cambered surface of pedestal;By the socket inserted base of main body, Coaxial cable connector is sticked in metal interface.
CN104027169A discloses a kind of microwave melt needle for thyroid tumors treatment, belongs to a kind of microwave ablation Needle, including needle body, the needle body end are equipped with handle, and the needle body front end is equipped with tartar, and the rear end of the tartar is equipped with Radiator, the outside of the radiator are coated with rediation aperture, and the rear end of the rediation aperture, which is equipped with, focuses tore of reflection, described to focus instead Ring is penetrated to be in contact with the end of needle body;The inside of the needle body is additionally provided with coaxial cable, and the radiator is connect by coaxial cable Enter radio frequency (RF) coaxial connector, radiator is wrapped up by rediation aperture, then rediation aperture is connect with tore of reflection is focused, and then in ablation needle It is pointed that at the structure for focusing reflection, the microwave for issuing radiator is gathered in the front end of needle point, will not retroeflection, effectively improve The efficiency of microwave, can realize the standing-wave ratio of tumour ablation, and needle body matter under relatively short tip dimensions in practical applications Amount is light, increases the flexibility ratio of ablated tumor, convenient one man operation.
CN104042342A discloses a kind of for treating the Curved microwave ablation aciculiform antenna of fibroid, belongs to a kind of Microwave ablation antenna, including antenna mast body and handle, antenna mast body are connected with handle, and the front end inside antenna mast body is equipped with Radiator is equipped with the aciculiform radiator cover for being placed in antenna mast body end on radiator;Radiator passes through coaxial cable and antenna Radio frequency (RF) coaxial connector on body of rod end is connected;The inside of the antenna mast body is additionally provided with interconnected inlet channel and goes out Water channel;The front end of the antenna mast body is further sleeved with sheath needle.Antenna mast body is processed into using flexible material, so that ablation needle exists It is suitable for the physiological bending in vagina and uterus during use, directly can enter uterus from vagina and carry out myomata ablation, Perimetric integrity violations caused by abdomen puncture are avoided, and relative motion is carried out by sheath needle and aciculiform radiator cover, And then change the physical length of antenna mast body transmitting terminal, to adapt to different size of myomata ablation.
CN104546121A discloses a kind of independent assortment radio frequency ablation needle, including radio frequency source, ablation needle, the ablation needle Including the needle body, one end of the needle body is connected with syringe needle, and the syringe needle is fixedly connected with the needle body, and the other end of the needle body is fixed It is connected with connecting line, the connecting line is fixedly connected with connector, and the connector is electrically connected with the radio frequency source, the ablation needle It is not limited and the limitation of tissue profile by operating angle, it is easy to use, ablation number is reduced, shortens operating time, is more Retain tissue, alleviates sufferer pain, reduce blood loss.
CN107773302A discloses a kind of flexible radio frequency ablation needle, and the ablation needle has be attached to distal end of catheter One electrode 103 and lung of the conduit 101 to such as Lung neoplasm that second electrode 105 in the first electrode is accepted with movable manner Tissue is handled;Wherein first electrode is hollow, and first electrode includes being configured to pink pinking by airway walls Tip, wherein second electrode can extend from first electrode and form first and extend configuration.
CN207168575U discloses a kind of microwave melt needle, including needle body, microwave coaxial cable and fixed handle, needle body Including needle point and needle tubing, needle point and needle tubing are integrally formed, and needle point is fixedly attached to microwave coaxial cable, and needle point is microwave release Area, needle point are in bending.When in use, microwave coaxial cable is connect with high-frequency joint, by microwave transfer to needle point, in operation, By ablation pin puncture to patient's body, penetrate needle point in tumour, needle point is that microwave discharges area, the effect for eliminating tumour is played, Since needle point is in bending, compared with the needle point of linear, forniciform needle point is under conditions of equivalent diameter, the area of ablation It is bigger wider, the ablation effect compared with bodkin point can achieve using thinner needle point, while reaching preferably ablated tumor, again The severe complications such as pneumothorax, hemothorax be can be reduced to patient's bring physical trauma and economic loss.
CN207101356U discloses one kind and drips ablation needle, including needle point body, shank, microwave coaxial cable, have into The water circulation piece of aquaporin and exhalant canal, upper cover, microwave coaxial connector;The microwave coaxial cable is through the shank Among, one end of the microwave coaxial cable is connected with the microwave coaxial connector, the microwave coaxial cable it is another End is inserted into the needle point body;Weeper is provided on the bar wall of the shank.The problem of it is solved is that physics is melted and changed Learn the Non-toxic that ablation combined and realized ablation needle internal structure.
As described above, disclosing a variety of improved ablation needles in the prior art, this greatly enriches and has expanded ablation needle Use, clinically achieve good technical effect.But there are still continue to study for novel medicine injecting formula radio frequency ablation needle With improved demand, this is also a research hotspot and emphasis in current medical instruments field, and even more the utility model is able to Where the starting point and power of completion.
Utility model content
The purpose of this utility model is to provide a kind of medicine infusion type radio frequency ablation needles, are disappeared with solving existing medicine infusion type radio frequency Melt that needle injection is inconvenient and infusion hole is single leads to problems such as medical fluid diffusion slow.
To achieve the above object, the utility model provides the following technical solutions: a kind of medicine infusion type radio frequency ablation needle, the note Medicine formula radio frequency ablation needle includes handle, and the inner wall of the handle is equipped with fixed plate, is passed through on the side outer wall of the fixed plate Shaft is rotatably connected to second gear and screw rod, and the second gear is located at the top of the screw rod, the outer wall set of the screw rod Equipped with first gear, the first gear and second gear engagement are connected, and pass through threaded engagement on the outer wall of the screw rod It is connected with movable block, the side appearance wall insertion of the movable block is there are two strut, and there are four for the inner wall setting of the handle One fixed block, free cylinder is installed between four first fixed blocks, and the inner wall of the sky cylinder is equipped with piston, two branch For the side appearance wall of bar and the piston by threaded engagement connection, one end of the handle is connected with puncture tube, the puncture One end on pipe far from the handle is equipped with piercing needle, and it is defeated that the side outer wall of the piercing needle is uniformly provided with several Fluid apertures, the puncture tube are internally provided with main infusion tube, and one end of the main infusion tube and the export head of the empty cylinder pass through There are a dispersing head in threaded engagement connection, one end far from the empty cylinder in the main infusion tube by threaded engagement connection, and described point The outer wall for dissipating head is evenly arranged with several branch infusion tubes, and one end far from the dispersing head of several branch infusion tubes is embedding Enter in the infusion hole.
Wherein, by the way that second gear is arranged, doctor can promote medical fluid by stirring the second gear.
Wherein, by setting screw rod and movable block, so that screw rod can convert movable block for the rotary motion of second gear Linear motion.
Wherein, empty cylinder is used to hold medical fluid, and main infusion tube is used to convey the medical fluid in empty cylinder, realizes the mesh of drug-injection in treatment 's.
Wherein, dispersing head plays the role of connecting main infusion tube and branch infusion tube.
In the medicine infusion type radio frequency ablation needle of the utility model, the quantity of the infusion hole is usually 2-5, such as It can be 2,3,4 or 5.It, can the volume size at position, sectional area be big according to lesion in actual clinical use It is small and select appropriate number of infusion hole.
In the medicine infusion type radio frequency ablation needle of the utility model, as a preferred embodiment, the puncture Pipe is internally provided with electrode layer, several electrode tubes are evenly arranged in the electrode layer.
It is designed by structure so, electrode tube can discharge radio-frequency current to stove position, improve and promote treatment effect Fruit.
In the medicine infusion type radio frequency ablation needle of the utility model, as a preferred embodiment, the handle Side inner wall be bolted to connection main needle control box, the side outer wall and the electrode tube of the main needle control box connect It connects.
It being designed by structure so, main needle control box plays the role of coordination electrode pipe folding and unfolding, and can dismantle, It is convenient for safeguarding.
In the medicine infusion type radio frequency ablation needle of the utility model, as a preferred embodiment, the handle Interior to be provided with combining glass at the top position of the empty cylinder, the side inner wall of the handle has been bolted to connection Two the second fixed blocks.
It being designed by structure so, operator can observe the number of the liquid volume in empty cylinder by combining glass, In order to learn medical fluid residue situation in empty cylinder in time, intuitive judgement basis is provided for subsequent operation.
In the medicine infusion type radio frequency ablation needle of the utility model, as a preferred embodiment, the main needle The side outer wall of control box is provided with control key, and the side appearance wall of the adjacent control key passes through spiral shell on the main needle control box Line, which screws, is connected with electrode channel, and two second fixed blocks are set on the outer wall of the electrode channel.
It is designed by structure so, numerous electrodes can be concentrated and be introduced into main needle control box by electrode channel, And second fixed block can fix electrode channel, make its stabilization, facilitate entire treatment operation.
As described above, the utility model provides a kind of novel medicine infusion type radio frequency ablation needle, the medicine infusion type radio frequency disappears Melt needle to design by unique structure, many excellent technical effects can be obtained, including but not limited to as follows:
1, the utility model is provided with the first fixed block, strut, first gear, fixed plate, second gear, movable block, silk Bar, piston, empty cylinder and combining glass only need to stir clockwise second with thumb when using the injection of medicine infusion type radio frequency ablation needle Gear rotates it in fixed plate, and the rotation of second gear drives screw rod rotation by first gear, and screw rod is by second gear Rotary motion be converted into the linear motion of movable block, movable block travels forward solid first come propelling piston by two struts Determine the inner wall sliding of block overhead cylinder, medical fluid is able to be delivered in main infusion tube out of empty cylinder;When injection, seen by combining glass Empty cylinder is examined, convenient for controlling the conveying capacity of medical fluid, only need to gently stir second gear i.e. with thumb can reach the purpose of push, avoid Because movement range is excessive, and puncture tube is caused to cause secondary puncture due to deviateing lesion tissue the case where.
2, the utility model is provided with piercing needle, branch infusion tube, main infusion tube, puncture tube, dispersing head, infusion hole, main Medical fluid in perfusion tube is dispersed head and is evenly dispersed into branch infusion tube, then uniform by the infusion hole on piercing needle It is distributed to lesion tissue, solve existing puncture tube causes medical fluid to spread slow, treatment time length, patient because infusion hole is single It is easy the problems such as psychological stress and resistance.
In clinical application, the working principle of the medicine infusion type radio frequency ablation needle of the utility model and process for using be specifically such as Under: when using the medicine infusion type radio frequency ablation needle, after the piercing needle is penetrated patient's lesion by doctor, pass through the hand The control key on handle uniformly exhales in the electrode layer to make the main needle control the electrode tube in box, After being melted to lesion tissue, needs to carry out the lesion tissue liquid medicine injection after ablation the treatment such as hemostasis and anti-inflammatory and need When injection, only the second gear need to be stirred clockwise with thumb rotates it in the fixed plate, the second gear Rotation drives the screw rod to rotate by the first gear, and the rotary motion of the second gear is converted by the screw rod The linear motion of the movable block, the movable block, which travels forward through two struts, promotes the piston in the sky The inner wall sliding of cylinder, medical fluid are able to be delivered in the main infusion tube out of described empty cylinder;And upon injection, then by described The empty cylinder is observed depending on glass, convenient for controlling the conveying capacity of medical fluid and at any time observing residual volume of solution, is gently dialled with thumb It moves the second gear i.e. and can reach the purpose of push, avoid causes the puncture tube to deviate lesion because movement range is excessive The defect of tissue;Medical fluid in the main infusion tube is evenly dispersed into the branch infusion tube through the dispersing head, is then led to It crosses the infusion hole to be evenly dispersed into lesion tissue, so that solving existing puncture tube leads to medicine because infusion hole is single Liquid diffusion is slow, treatment time is long, patient is easy the problems such as psychological stress and resistance.
As described above, the utility model provides a kind of novel medicine infusion type radio frequency ablation needle, the medicine infusion type radio frequency disappears Melt needle to design by unique structure, many excellent technical effects can be obtained, there is good answer in clinical treatment field With prospect and promotion potential.
Detailed description of the invention
Fig. 1 is the sectional structure chart of the medicine infusion type radio frequency ablation needle of the utility model embodiment;
Fig. 2 is the schematic top plan view figure of the medicine infusion type radio frequency ablation needle of the utility model embodiment;
Fig. 3 is the structural schematic diagram of handle in the medicine infusion type radio frequency ablation needle of the utility model embodiment;
Fig. 4 is the enlarged drawing at the A in Fig. 1.
Wherein, following number respectively refers to generation following specific elements/components.
1: piercing needle, 2: electrode layer, 3: electrode tube, 4: branch infusion tube, 5: main infusion tube, 6: puncture tube, 7: the first is solid Determine block, 8: main needle controls box, and 9: strut, 10: first gear, 11: the second fixed blocks, 12: electrode channel, 13: handle, 14: Gu Fixed board, 15: second gear, 16: movable block, 17: screw rod, 18: piston, 19: empty cylinder, 20: control key, 21: combining glass, 22: Dispersing head, 23: infusion hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Refering to fig. 1 shown in -4, the utility model is provided the following technical solutions: a kind of medicine infusion type radio frequency ablation needle, the note Medicine formula radio frequency ablation needle includes handle 13, and the inner wall of handle 13 is equipped with fixed plate 14, passes through on the side outer wall of fixed plate 14 Shaft is rotatably connected to second gear 15 and screw rod 17, and (by the way that the second gear 15 is arranged, doctor can be by stirring second tooth Wheel 15 promotes medical fluid), second gear 15 is located at the top of screw rod 17, and the outer wall of screw rod 17 is arranged with first gear 10, and first Gear 10 and the engagement of second gear 15 connect, and have movable block 16 (to pass through setting by threaded engagement connection on the outer wall of screw rod 17 Screw rod 17 and movable block 16, so that screw rod 17 can convert the rotary motion of second gear 15 to the linear motion of movable block 16), The side appearance wall insertion of movable block 16 is there are two strut 9, and the inner wall setting of handle 13 is there are four the first fixed block 7, and four the Free cylinder 19 (empty cylinder 19 is used to hold medical fluid) is installed, the inner wall of empty cylinder 19 is equipped with piston 18, two branch between one fixed block 7 For the side appearance wall of bar 9 and piston 18 by threaded engagement connection, one end of handle 13 is connected with puncture tube 6, remote on puncture tube 6 One end from handle 13 is equipped with piercing needle 1, and the side outer wall of piercing needle 1 is uniformly provided with several infusion holes 23, wears (main infusion tube 5 is used to convey the medical fluid in empty cylinder 19 main infusion tube 5 that is internally provided with of thorn pipe 6, realizes the mesh of drug-injection in treatment ), the export head of one end of main infusion tube 5 and empty cylinder 19 passes through threaded engagement connection, the one of separate empty cylinder 19 in main infusion tube 5 There are dispersing head 22 (dispersing head 22 plays connection main infusion tube 5 and branch infusion tube 4), dispersion in end by threaded engagement connection First 22 outer wall is evenly arranged with several branch infusion tubes 4, and one end insertion of the separate dispersing head 22 of several branch infusion tubes 4 is defeated In fluid apertures 23.
The quantity of the infusion hole 23 is usually 2-5, may be, for example, 2,3,4 or 5.Make in actual clinic In, can according to lesion not the volume size, sectional area size at position and select appropriate number of infusion hole 23.
As a preferred embodiment, puncture tube 6 is internally provided with electrode layer 2, it is evenly arranged in electrode layer 2 Several electrode tubes 3.
It is designed by structure so, electrode tube 3 can discharge radio-frequency current to stove position, improve and promote treatment effect Fruit.
As a preferred embodiment, the side inner wall of handle 13 has been bolted to connection main needle control box 8, The side outer wall of main needle control box 8 is connect with electrode tube 3.
It is designed by structure so, main needle control box 8 plays the role of 3 folding and unfolding of coordination electrode pipe, and can tear open It unloads, it is convenient for safeguarding.
Combining glass is provided with as a preferred embodiment, being located at the top position of empty cylinder 19 in handle 13 21, the side inner wall of handle 13 is bolted to connection there are two the second fixed block 11.
It is designed by structure so, operator can observe the more of the liquid volume in empty cylinder 19 by combining glass 21 It is few, in order to learn medical fluid residue situation in empty cylinder 19 in time, intuitive judgement basis is provided for subsequent operation.
As a preferred embodiment, the side outer wall of main needle control box 8 is provided with control key 20, main needle controls box The side appearance wall of adjacent control key 20 has electrode channel 12 by threaded engagement connection on 8, and two the second fixed blocks 11 are arranged On the outer wall of electrode channel 12.
It is designed by structure so, numerous electrodes can be concentrated by electrode channel 12 and be introduced into main needle control box 8 In, and the second fixed block 11 can fix electrode channel 12, make its stabilization, facilitate entire treatment operation.
In clinical application, the working principle of the medicine infusion type radio frequency ablation needle of the utility model and process for using be specifically such as Under: when using medicine infusion type radio frequency ablation needle, after piercing needle 1 is penetrated patient's lesion by doctor, pass through the control on handle 13 Key 20 processed uniformly exhales to make main needle control the electrode tube 3 in box 8 from electrode layer 2 is inner, melts to lesion tissue After, when needing to carry out the lesion tissue liquid medicine injection after ablation the treatment such as hemostasis and anti-inflammatory and needing injection, it need to only use thumb Stirring second gear 15 clockwise rotates it in fixed plate 14, and the rotation of second gear 15 is driven by first gear 10 Screw rod 17 rotates, and the rotary motion of second gear 15 is converted into the linear motion of movable block 16 by screw rod 17, and movable block 16 is forward Inner wall of the movement by two struts 9 come propelling piston 18 in empty cylinder 19 slides, and medical fluid is able to be delivered to out of empty cylinder 19 main defeated In liquid pipe 5;And upon injection, then empty cylinder 19 is observed, by combining glass 21 convenient for controlling the conveying capacity and at any time of medical fluid Residual volume of solution is observed, gently stirring second gear 15 i.e. with thumb can reach the purpose of push, avoid because of movement range mistake Defect that is big and leading to the deviation lesion tissue of puncture tube 6;It is defeated that the dispersed head 22 of medical fluid in main infusion tube is evenly dispersed into branch It in liquid pipe 4, is then evenly dispersed into lesion tissue by infusion hole 23, to solve existing puncture tube 6 because of infusion Hole is single and slow medical fluid diffusion, treatment time length, patient is caused to be easy the problems such as psychological stress and resistance.
As described above, the utility model provides a kind of novel medicine infusion type radio frequency ablation needle, the medicine infusion type radio frequency disappears Melt needle to design by unique structure, many excellent technical effects can be obtained, there is good answer in clinical treatment field With prospect and promotion potential.
Although for the purpose illustrated and described, and describing the above embodiment and the shown knot of attached drawing of the utility model Structure and treatment process.But it is to describe in detail that these, which are not, the scope of the utility model can not be confined to this.To this field For technical staff, numerous modifications and variations can be made to the above embodiment of the utility model, and these all modifications And/or variation is included within the claim limited range such as the utility model, without departing from such as claim institute The scope of the utility model and spirit of restriction.

Claims (6)

1. a kind of medicine infusion type radio frequency ablation needle, it is characterised in that: the medicine infusion type radio frequency ablation needle includes handle, the handle Inner wall is equipped with fixed plate, is rotatably connected to second gear and screw rod by shaft on the side outer wall of the fixed plate, described Second gear is located at the top of the screw rod, and the outer wall of the screw rod is arranged with first gear, the first gear and described The engagement of two gears connects, and has movable block, the side appearance of the movable block by threaded engagement connection on the outer wall of the screw rod There are two strut, the inner wall setting of the handle is pacified between four first fixed blocks there are four the first fixed block for wall insertion Equipped with empty cylinder, the inner wall of the sky cylinder is equipped with piston, and the side appearance wall of two struts and the piston passes through screw thread Connection is screwed, one end of the handle is connected with puncture tube, and one end far from the handle is equipped with puncture on the puncture tube Syringe needle, the side outer wall of the piercing needle are uniformly provided with several infusion holes, and being internally provided with for the puncture tube is main defeated The export head of liquid pipe, one end of the main infusion tube and the empty cylinder is separate in the main infusion tube by threaded engagement connection There is dispersing head in one end of the sky cylinder by threaded engagement connection, and the outer wall of the dispersing head is evenly arranged with the infusion of several branch One end far from the dispersing head of pipe, several branch infusion tubes is embedded in the infusion hole.
2. a kind of medicine infusion type radio frequency ablation needle according to claim 1, it is characterised in that: the quantity of the infusion hole is 2- 5.
3. a kind of medicine infusion type radio frequency ablation needle according to claim 1 or 2, it is characterised in that: the inside of the puncture tube It is provided with electrode layer, several electrode tubes are evenly arranged in the electrode layer.
4. a kind of medicine infusion type radio frequency ablation needle according to claim 3, it is characterised in that: the side inner wall of the handle is logical It crosses bolt and is fixedly connected with main needle control box, the side outer wall of the main needle control box is connect with the electrode tube.
5. a kind of medicine infusion type radio frequency ablation needle according to claim 4, it is characterised in that: be located at the sky in the handle Combining glass is provided at the top position of cylinder, the side inner wall of the handle is bolted to connection fixed there are two second Block.
6. a kind of medicine infusion type radio frequency ablation needle according to claim 5, it is characterised in that: the side of the main needle control box Outer wall is provided with control key, there is the side appearance wall of the adjacent control key by threaded engagement connection on the main needle control box Electrode channel, two second fixed blocks are set on the outer wall of the electrode channel.
CN201820946783.6U 2018-06-19 2018-06-19 A kind of medicine infusion type radio frequency ablation needle Active CN208851631U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111603239A (en) * 2020-04-22 2020-09-01 哈尔滨医科大学 Microwave device for tumor ablation treatment
CN112890948A (en) * 2021-01-26 2021-06-04 四川大学华西医院 Electric pulse ablation device capable of cooperatively administering medicine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111603239A (en) * 2020-04-22 2020-09-01 哈尔滨医科大学 Microwave device for tumor ablation treatment
CN112890948A (en) * 2021-01-26 2021-06-04 四川大学华西医院 Electric pulse ablation device capable of cooperatively administering medicine

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