CN205459032U - Ablation apparatus for foundation medicine - Google Patents
Ablation apparatus for foundation medicine Download PDFInfo
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- CN205459032U CN205459032U CN201620186413.8U CN201620186413U CN205459032U CN 205459032 U CN205459032 U CN 205459032U CN 201620186413 U CN201620186413 U CN 201620186413U CN 205459032 U CN205459032 U CN 205459032U
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Abstract
The utility model relates to an ablation apparatus for foundation medicine belongs to foundation medicine technical field, ablation apparatus for foundation medicine including melting the needle device, melting needle drive arrangement, it includes syringe needle, insulating medium, needle bar, soldering, coaxial cable, stifled water axle, leading water pipe, inner tube, outer tube, capillary, side opening, epoxy glue, outer conductor, dielectric layer, anchor coat, functional layer to melt the needle device, adjusting device includes lift post, universal wheel, sliding sleeve, fastening bolt, telescopic link, base, turns to ball, angle scale, crossbeam, crossbeam slide, fixing device, fixing device includes protruding tongue, sleeve pipe hasp, outer lock tube, lug, set nut, slide, slider, needle file, locating piece, pushes away handle, locating plate, spout, needle cover, the medicine was easily remained when the solution was melted the needle and is melted the compartment structure, melt the easy adhesion tissue of needle, fixing device adjustment needle angle's the not high scheduling problem of accuracy.
Description
Technical field
This utility model relates to a kind of preclinical medicine ablating device, belongs to preclinical medicine technical field.
Background technology
Injection chemotherapeutics is typically likely to the multi-compartment structure within existence due to cystic tumor, and the curative effect of medicine is not good enough, has residual more；Ablation needle occurs that adhesion organization, ablation needle material stimulate in tissue, ablation needle sterilization cleaning process the problems such as easily corrosion in actual use, has a strong impact on use and therapeutic effect；Few with regard to the research of Microwave Coagulation Therapy organella tissue tumor at present, as: thyroid, the tumor of the superficial organs such as mammary gland, clinical requirement its to melt form little and justify, time makes ablation areas more accurate with coordinating of power, more controllable, but microwave melt needle exports the utilization rate to the energy of tumor tissues depends on the size of microwave melt needle, found by substantial amounts of experiment, when the size of microwave melt needle syringe needle is in the range of 3-5mm, microwave microwave melt needle exports and reduces to the utilization rate of tumor tissues energy, the most this scope melted is the most relatively small relatively round with relative.
Generally, operator, by range estimation and experience adjustments ablation needle angle, adjust paracentesis depth according to the scale on positioning needle surface；Puncturing ablation needle to pathological changes edge is and important step, but owing to inserting needle track can not show, owing to its degree of accuracy is the highest, one-time successful puncture rate can only be caused by range estimation and experience adjustments needle angle relatively low；During puncture, it is frequently necessary to puncture many pins, and punctured a pin and after location terminates, the when of puncturing second again, first pin operator cannot go to fix again, will affect the normal puncture of second pin, can disturb operator, it is also possible to encounter the pin punctured before, cause it to move, it has to again to position, increase operating time and patient suffering；Sometimes, it is only necessary to puncture a pin, but be also required to when determining the position of pin reorientate according to image, and at this moment, pin is dependent on what human body was fixed, there may be deviation.
Therefore, it is necessary to improve existing preclinical medicine ablating device, when solution ablation needle melts multi-compartment structure, medicine easily remains；Ablation needle sterilization cleaning process is easily corroded, easy adhesion organization；Fixing device is by range estimation and experience adjustments needle angle, and degree of accuracy is the highest；Puncturing a complete pin and after location terminates, second pin such as cannot fix at the problem.
Summary of the invention
In order to overcome problem present in background technology, this utility model provides a kind of preclinical medicine ablating device, and the energy of microwave transmits the impact of not receptaculum inside tumor compartment, and ablation needle can thoroughly damage tumor；Size according to tumor selects ablation needle number of windows, and microwave to emission from window, changes and melts size, is suitable for patient's use that tumor size differs；Ablation needle has the coating of good biocompatibility conduction, tissue is strictly kept apart with apparatus matrix, and apparatus not only not ensure that good therapeutic effect with tissue adhesion, extends the service life of apparatus simultaneously yet；Can select difform melt syringe needle according to the concrete form of tumor tissues, the ablation range for organella tumor is more accurate；The setting accuracy of fixing device is high and can be greatly simplified the operating process of aspiration biopsy, raising puncture success rate；Available crossbeam slide block is fixed location to ablation needle, prevents the variation of ablation needle position, reduces maloperation and hinders follow-up operation of threading a needle；Location-plate can be applicable to body surface plurality of positions, and location-plate is arranged according to human body feature, can be attached at skin surface.
For reaching above-mentioned purpose, this utility model is implemented by following technical scheme:
Described preclinical medicine ablating device includes ablation needle device, ablation needle driving means；
Wherein, described ablation needle device includes syringe needle, dielectric, shank, soldering, coaxial cable, water blockoff axle, aqueduct, inner tube, outer tube, capillary tube, side opening, epoxide-resin glue, outer conductor, dielectric layer, binder course, functional layer；Described syringe needle is connected with shank by dielectric, and described syringe needle includes that needle point, energy dissipation body, described energy dissipation body are arranged between needle point and dielectric；Described soldering is arranged in the central blind hole of shank, and rear end and inner conductor cold pressing riveting, described water blockoff axle, aqueduct is sequentially sleeved at outside coaxial cable, the afterbody of water blockoff axle seals with coaxial cable and welds, the head of aqueduct is welded and fixed with water blockoff axle, inner tube it is arranged with outside aqueduct, outer tube it is arranged with outside inner tube, in described, the front end sleeve of outer tube is located on the boss of dielectric rear end, described outer tube front portion is provided with side opening, it is fixed with a head between inner and outer pipes and extends the capillary tube near side opening, gap between aqueduct and coaxial cable forms inlet channel, gap between aqueduct and inner tube forms water outlet；Described coaxial cable front portion is provided with 1-2 launch window, and the front end of coaxial cable is by soldering by outer conductor and inner wire short circuit, and between dielectric layer and the central blind hole of shank at launch window, filling epoxy resin glue realizes fixing；Described ablation needle body outer surface forms binder course by PVD plated film, and binder course is formed the functional layer with good biocompatibility by PVD plated film；
Described ablation needle driving means includes adjusting means, fixing device；Wherein, described adjusting means includes lifting column, universal wheel, spike, regulating block, sliding sleeve, fastening bolt, expansion link, base, steering ball, angle scale, crossbeam, crossbeam slideway, fixing device；Being fixedly installed gripper shoe bottom described lifting column, on the downside of gripper shoe, centre is provided with universal wheel, and on the downside of gripper shoe, left and right end is equipped with a spike, connects regulating block on the upside of a spike；Described lifting column is provided with two sliding sleeves, described expansion link one end is connected to fix on lifting column and by fastening bolt by sliding sleeve above, expansion link is provided with knuckle, knuckle includes the base of semispherical indentations, being provided with steering ball in the semispherical indentations of base, the expansion link on the right side of knuckle is provided with angle scale；The described expansion link other end is provided with crossbeam, is horizontally arranged with crossbeam slideway in crossbeam, and sliding in crossbeam slideway is provided with fixing device；
Described fixing device includes tongue, sleeve lock catch, exterior lock tube, projection, location nut, slideway, slide block, needle stand, locating piece, push handle, location-plate, chute, needle guard；Described fixing device top connects has sleeve lock catch, sleeve lock catch to include the tongue of circumferentially spaced setting, and tongue end is provided with boss, and the periphery of boss forms outer inclined-plane；The oral area of described exterior lock tube is provided with groove, and the circumferential inner wall of groove forms interior inclined-plane, and boss and recess, is vertically provided with vertical core of threading a needle, is provided with projection on the right side of vertical core in fixing device, and underbump is provided with external screw thread, and described location nut is connected with external screw thread spiral；Being provided with slideway in vertical core, slideway slides is provided with slide block, and slide block upper and lower sides is respectively provided with push handle and needle stand, is provided with locating piece below needle stand, and locating piece is adjusted by regulation bolt；Described location-plate is detachably arranged on the sliding sleeve of lower section, and location-plate is provided with chute with a scale, is provided with needle guard in chute.
As preferably, a length of 3-5mm of described energy dissipation body, the one being shaped as in spheroid, ellipsoid, flattened round body, flattened oval body of energy dissipation body；Described needle point be shaped as cone.
As preferably, described soldering is hemispherical.
As preferably, the width of described launch window is 1mm, a length of 4.2mm of outer conductor between two launch windows, and afterbody to the distance of soldering front end of the outer conductor getting close to soldering is 2.1mm.
As preferably, described binder course is Cr, Ti, W, Ni metal level or its alloy-layer, and described functional layer is Cr, Ti, W, Ni metal level or its alloy-layer.
As preferably, described angle scale is made up of the discoid body that a pair is provided with engaging tooth, and a discoid body is provided with axle, and another discoid body is then placed on axle in shell-like and is provided with spring, two discoid bodies is additionally provided with scale to show deflection angle.
As preferably, described location-plate is bent soft plate body, can be attached at human body surface.
The beneficial effects of the utility model:
1, ablation needle is provided with and is applicable to the special injection suction capillary channel that cystocarcinoma is swollen, can carry out aspirating by capillary channel during operation and meet cystocarcinoma and swell the needs of ablative surgery, simultaneously, the energy of microwave transmits the impact of not receptaculum inside tumor compartment, can thoroughly damage tumor, obtain the effect of surgical radical treatment；Ablation needle can arrange double-window structure or single window construction, size selection window quantity according to tumor, microwave from window to emission, change and melt size, it is suitable for patient's use that tumor size differs, the territory, effective heating area of antenna is changed, and the shape burnt is close circular, the beneficially operating doctor control to operation.
2, using PVD technique to apply layer of metal ceramic coating (such as CrN, TiN, TiAlN etc.) at the outer surface of ablation needle, this coating has good biocompatibility, wear-resisting antiacid alkali and high-temperature sterilization corrosion, and meanwhile, electric conductivity is good；Having the coating of good biocompatibility conduction, tissue strictly kept apart with apparatus matrix, apparatus not only not ensure that good therapeutic effect with tissue adhesion, extends the service life of apparatus simultaneously yet；The peculiar moulding of energy dissipation body can make microwave ablation scope mate completely with the form of tumor tissues, reaches more preferable therapeutic effect；Can select difform melt syringe needle according to the concrete form of tumor tissues, the ablation range for organella tumor is more accurate.
3, can provide accurate needle angle and depth of needle convenient for puncturing ablation needle, setting accuracy is high and can be greatly simplified the operating process melted, and improves and melts success rate；The corner between fixing device and knuckle can be shown, it is possible to the corner between regulation fixing apparatus and knuckle by angle scale；Can according to the actual requirements, effective horizontal, the lengthwise position adjusting ablation needle and vertical height, location-plate can be applicable to body surface plurality of positions, and location-plate is arranged according to human body feature, can be attached at skin surface so that whole ablation procedure is precisely, simply.
4, available fixing device is fixed location to ablation needle, prevents the variation of ablation needle position, reduces maloperation and hinders follow-up operation of threading a needle, very convenient；It is provided with location-plate, utilizes the scale on location-plate accurately to provide the position melted, make ablation procedure shoot the arrow at the target.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the structural representation of ablation needle in this utility model；
Fig. 3 is the enlarged drawing of fixing device in this utility model；
Fig. 4, Fig. 5, Fig. 6 are the structural representation of syringe needle in this utility model.
nullIn figure，1-ablation needle device、2-syringe needle、3-dielectric、4-shank、5-needle point、6-energy dissipation body、7-soldering、8-coaxial cable、9-water blockoff axle、10-aqueduct、11-inner tube、12-outer tube、13-capillary tube、14-side opening、15-epoxide-resin glue、16-outer conductor、17-dielectric layer、18-binder course、19-functional layer、20-lifting column、21-universal wheel、22-sliding sleeve、23-fastening bolt、24-expansion link、25-base、26-steering ball、27-angle scale、28-crossbeam、29-crossbeam slideway、30-fixing device、31-sleeve lock catch、32-exterior lock tube、33-projection、34-positions nut、35-slideway、36-slide block、37-needle stand、38-locating piece、39-push handle、40-location-plate、41-chute、42-needle guard、43-tongue.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As shown in figures 1 to 6, described preclinical medicine ablating device includes ablation needle device 1, ablation needle driving means；
Wherein, described ablation needle device 1 includes syringe needle 2, dielectric 3, shank 4, soldering 7, coaxial cable 8, water blockoff axle 9, aqueduct 10, inner tube 11, outer tube 12, capillary tube 13, side opening 14, epoxide-resin glue 15, outer conductor 16, dielectric layer 17, binder course 18, functional layer 19；Described syringe needle 2 is connected with shank 4 by dielectric 3, described syringe needle 2 includes needle point 5, energy dissipation body 6, described energy dissipation body 6 is arranged between needle point 5 and dielectric 3, as preferably, the a length of 3-5mm of described energy dissipation body 6, the one being shaped as in spheroid, ellipsoid, flattened round body, flattened oval body of energy dissipation body 6；Described needle point 5 be shaped as cone；The peculiar moulding of energy dissipation body 6 can make microwave ablation scope mate completely with the form of tumor tissues, reaches more preferable therapeutic effect；Can select difform melt syringe needle 2 according to the concrete form of tumor tissues, the ablation range for organella tumor is more accurate.
Described soldering 7 is arranged in the central blind hole of shank 4, and rear end and coaxial cable 8 inner wire are colded pressing riveting, and as preferably, described soldering 7 is hemispherical；Described water blockoff axle 9, aqueduct 10 is sequentially sleeved at outside coaxial cable 8, the afterbody of water blockoff axle 9 seals with coaxial cable 8 and welds, the head of aqueduct 10 is welded and fixed with water blockoff axle 9, inner tube 11 it is arranged with outside aqueduct 10, outer tube 12 it is arranged with outside inner tube 11, said inner tube 11, the front end sleeve of outer tube 12 is located on the boss of dielectric 3 rear end, described outer tube 12 front portion is provided with side opening 14, it is fixed with a head between inner and outer pipes and extends the capillary tube 13 near side opening 14, it is applicable to the special injection suction that cystocarcinoma is swollen, chemotherapeutics can be injected simultaneously and strengthen postoperative curative effect, because the energy of microwave transmits the impact of not receptaculum inside tumor compartment, can thoroughly damage tumor；Gap between aqueduct 10 and coaxial cable 8 forms inlet channel, and the gap between aqueduct 10 and inner tube 11 forms water outlet, utilizes the cooling water of circulation that antenna is carried out temperature with high efficiency；Described coaxial cable 8 front portion is provided with 1-2 launch window, and as preferably, the width of described launch window is 1mm, a length of 4.2mm of outer conductor 16 between two launch windows, and afterbody to the distance of soldering 7 front end of 7 outer conductors 16 getting close to soldering is 2.1mm；The front end of coaxial cable 8 is by soldering 7 by outer conductor 16 and inner wire short circuit, and between dielectric layer 17 and the central blind hole of shank 4 at launch window, filling epoxy resin glue 15 realizes fixing；According to operation needs, double-window structure or single window construction can be set, size selection window quantity according to tumor, microwave from window to emission, change and melt size, it is suitable for patient's use that tumor size differs, the territory, effective heating area of antenna is changed, and the shape burnt is close circular, the beneficially operating doctor control to operation.
Described ablation needle body outer surface forms binder course 18 by PVD plated film, formed the functional layer 19 with good biocompatibility by PVD plated film on binder course 18, binder course 18 makes to be formed between ablation needle and functional layer 19 transition, improve the adhesion of ablation needle and functional layer 19, biological tissue is separated by functional layer 19 with ablation needle body, and the functional layer 19 formed by PVD plated film has the function of adhesion tissue, bio-compatible and conduction；As preferably, described binder course 18 is Cr, Ti, W, Ni metal level or its alloy-layer, and described functional layer 19 is Cr, Ti, W, Ni metal level or its alloy-layer；Using the coatings such as cathodic arc ion plating deposition metal nitride such as CrN, TiN, TiAlN on this utility model metal base, this coating has good biocompatibility, wear-resisting antiacid alkali and high-temperature sterilization corrosion, and meanwhile, electric conductivity is good；Having the coating of good biocompatibility conduction, tissue strictly kept apart with apparatus matrix, apparatus not only not ensure that good therapeutic effect with tissue adhesion, extends the service life of apparatus simultaneously yet.
Described ablation needle driving means includes adjusting means, fixing device 30；Wherein, described adjusting means includes lifting column 20, universal wheel 21, sliding sleeve 22, fastening bolt 23, expansion link 24, base 25, steering ball 26, angle scale 27, crossbeam 28, crossbeam slideway 29, fixing device 30；Be fixedly installed gripper shoe bottom described lifting column 20, on the downside of gripper shoe in the middle of be provided with universal wheel 21, on the downside of gripper shoe, left and right end is equipped with spike, connects regulating block on the upside of a spike, and the regulating block top through gripper shoe and with a spike is connected；Described lifting column 20 is provided with two sliding sleeves 22, described expansion link 24 one end is connected on lifting column 20 by sliding sleeve 22 above and is fixed by fastening bolt 23, expansion link 24 is provided with knuckle, knuckle is universal regulator, knuckle includes the base 25 of semispherical indentations, base 25 is provided with fastening bolt 23, the semispherical indentations of base 25 is provided with steering ball 26, expansion link 24 on the right side of knuckle is provided with angle scale 27, as preferably, described angle scale 27 is made up of the discoid body that a pair is provided with engaging tooth, one discoid body is provided with axle, another discoid body is then placed on axle in shell-like and is provided with spring, scale it is additionally provided with to show deflection angle on two discoid bodies；The corner between fixing device 30 and knuckle can be shown, it is possible to the corner between regulation fixing apparatus 30 and knuckle by angle scale 27.Described expansion link 24 other end is provided with crossbeam 28, is horizontally arranged with crossbeam slideway 29 in crossbeam 28, and sliding in crossbeam slideway 29 is provided with fixing device 30.
Described fixing device includes tongue 43, sleeve lock catch 31, exterior lock tube 32, projection 33, location nut 34, slideway 35, slide block 36, needle stand 37, locating piece 38, push handle 39, location-plate 40, chute 41, needle guard 42；Described fixing device 30 top connects sleeve lock catch 31, sleeve lock catch 31 includes the tongue 42 of circumferentially spaced setting, tongue 42 end is provided with boss, the periphery of boss forms outer inclined-plane, the oral area of described exterior lock tube 32 is provided with groove, and the circumferential inner wall of groove forms interior inclined-plane, and boss and recess, when sleeve lock catch 31 is locked, exterior lock tube 32 is pressed in the end face of crossbeam 28 and coordinates projection 33 just can fixing device 30 be locked；Vertically being provided with vertical core of threading a needle in fixing device 30, be provided with projection 33 on the right side of vertical core, be provided with external screw thread below projection 33, described location nut 34 is connected with external screw thread spiral, and location nut 34 coordinates projection, makes fixing device 30 be fixed on some position of crossbeam 28；Being provided with slideway 35 in vertical core, slideway 35 slides is provided with slide block 36, and slide block 36 upper and lower sides is respectively provided with push handle 39 and needle stand 37, is provided with locating piece 38 below needle stand 37, and locating piece 38 is adjusted by regulation bolt；Utilize fixing device 30 that ablation needle is fixed location, prevent the variation of ablation needle position, reduce maloperation and hinder follow-up operation of threading a needle, very convenient.Described location-plate 40 is detachably arranged on the sliding sleeve 22 of lower section, location-plate 40 is provided with chute 41 with a scale, chute 41 is provided with needle guard 42, location-plate 40 can be applicable to body surface plurality of positions, utilizing the scale on location-plate 40 accurately to provide the position melted, make ablation procedure shoot the arrow at the target, location-plate 40 is arranged according to human body feature, skin surface can be attached at so that whole ablation procedure is precisely, simply.
Work process of the present utility model: according to operation needs, determine the quantity of launch window, dielectric layer 17 is exposed in the front portion of cutting coaxial cable 8 outer conductor 16, according to the concrete form of tumor tissues, selects and difform melts syringe needle 2；Fixing device 30 and the upper-lower position of location-plate 40 is regulated by regulation lifting column 20, the right position of fixing device 30 is changed by adjustable telescopic rod 24 and slip fixing device 30, it is made to be attached at human body surface location-plate 40 tiling, adjust the position of location-plate 40, by the amplifying parameters of display, comprehensively determine the horizontal range of distance optimum puncturing point on human epidermal；Mobile needle guard 42, according to graduation indication in-position, then fixes needle guard 40；Fixing device 30 is moved to directly over needle guard 40 by regulation knuckle and expansion link 24, utilizes location nut 34 to coordinate projection 33, makes fixing device 30 be fixed on crossbeam 28, and vertical core of threading a needle is just to needle guard 40；Slide block 36 is taken out from slideway 35 together with needle stand 37, after ablation needle device 1 is installed in needle stand 37, slide block 36 is loaded in slideway 35 together with needle stand 37, promote push handle 39 to shift onto ablation needle needle guard 40 melts, under the guide of display, arrive target location.
This utility model is provided with and is applicable to the special injection suction capillary channel that cystocarcinoma is swollen, can carry out aspirating by capillary channel during operation and meet cystocarcinoma and swell the needs of ablative surgery, simultaneously, the energy of microwave transmits the impact of not receptaculum inside tumor compartment, can thoroughly damage tumor, obtain the effect of surgical radical treatment；Ablation needle can arrange double-window structure or single window construction, size selection window quantity according to tumor, microwave from window to emission, change and melt size, it is suitable for patient's use that tumor size differs, the territory, effective heating area of antenna is changed, and the shape burnt is close circular, the beneficially operating doctor control to operation；Using PVD technique to apply layer of metal ceramic coating (such as CrN, TiN, TiAlN etc.) at the outer surface of ablation needle, this coating has good biocompatibility, wear-resisting antiacid alkali and high-temperature sterilization corrosion, and meanwhile, electric conductivity is good；Having the coating of good biocompatibility conduction, tissue strictly kept apart with apparatus matrix, apparatus not only not ensure that good therapeutic effect with tissue adhesion, extends the service life of apparatus simultaneously yet；The peculiar moulding of energy dissipation body can make microwave ablation scope mate completely with the form of tumor tissues, reaches more preferable therapeutic effect；Can select difform melt syringe needle according to the concrete form of tumor tissues, the ablation range for organella tumor is more accurate；Can provide accurate needle angle and depth of needle convenient for puncturing ablation needle, setting accuracy is high and can be greatly simplified the operating process melted, and improves and melts success rate；The corner between fixing device and knuckle can be shown, it is possible to the corner between regulation fixing apparatus and knuckle by angle scale；Can according to the actual requirements, effective horizontal, the lengthwise position adjusting ablation needle and vertical height, location-plate can be applicable to body surface plurality of positions, and location-plate is arranged according to human body feature, can be attached at skin surface so that whole ablation procedure is precisely, simply；Available fixing device is fixed location to ablation needle, prevents the variation of ablation needle position, reduces maloperation and hinders follow-up operation of threading a needle, very convenient；It is provided with location-plate, utilizes the scale on location-plate accurately to provide the position melted, make ablation procedure shoot the arrow at the target.
Finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.
Claims (6)
1. a preclinical medicine ablating device, it is characterised in that: described preclinical medicine ablating device includes ablation needle device, ablation needle driving means；
Wherein, described ablation needle device includes syringe needle, dielectric, shank, soldering, coaxial cable, water blockoff axle, aqueduct, inner tube, outer tube, capillary tube, side opening, epoxide-resin glue, outer conductor, dielectric layer, binder course, functional layer；Described syringe needle is connected with shank by dielectric, and described syringe needle includes that needle point, energy dissipation body, described energy dissipation body are arranged between needle point and dielectric；Described soldering is arranged in the central blind hole of shank, and rear end and inner conductor cold pressing riveting, described water blockoff axle, aqueduct is sequentially sleeved at outside coaxial cable, the afterbody of water blockoff axle seals with coaxial cable and welds, the head of aqueduct is welded and fixed with water blockoff axle, inner tube it is arranged with outside aqueduct, outer tube it is arranged with outside inner tube, in described, the front end sleeve of outer tube is located on the boss of dielectric rear end, described outer tube front portion is provided with side opening, it is fixed with a head between inner and outer pipes and extends the capillary tube near side opening, gap between aqueduct and coaxial cable forms inlet channel, gap between aqueduct and inner tube forms water outlet；Described coaxial cable front portion is provided with 1-2 launch window, and the front end of coaxial cable is by soldering by outer conductor and inner wire short circuit, and between dielectric layer and the central blind hole of shank at launch window, filling epoxy resin glue realizes fixing；Described ablation needle body outer surface forms binder course by PVD plated film, and binder course is formed the functional layer with good biocompatibility by PVD plated film；
Described ablation needle driving means includes adjusting means, fixing device；Wherein, described adjusting means includes lifting column, universal wheel, spike, regulating block, sliding sleeve, fastening bolt, expansion link, base, steering ball, angle scale, crossbeam, crossbeam slideway, fixing device；Being fixedly installed gripper shoe bottom described lifting column, on the downside of gripper shoe, centre is provided with universal wheel, and on the downside of gripper shoe, left and right end is equipped with a spike, connects regulating block on the upside of a spike；Described lifting column is provided with two sliding sleeves, described expansion link one end is connected to fix on lifting column and by fastening bolt by sliding sleeve above, expansion link is provided with knuckle, knuckle includes the base of semispherical indentations, being provided with steering ball in the semispherical indentations of base, the expansion link on the right side of knuckle is provided with angle scale；The described expansion link other end is provided with crossbeam, is horizontally arranged with crossbeam slideway in crossbeam, and sliding in crossbeam slideway is provided with fixing device；
Described fixing device includes tongue, sleeve lock catch, exterior lock tube, projection, location nut, slideway, slide block, needle stand, locating piece, push handle, location-plate, chute, needle guard；Described fixing device top connects has sleeve lock catch, sleeve lock catch to include the tongue of circumferentially spaced setting, and tongue end is provided with boss, and the periphery of boss forms outer inclined-plane；The oral area of described exterior lock tube is provided with groove, and the circumferential inner wall of groove forms interior inclined-plane, and boss and recess, is vertically provided with vertical core of threading a needle, is provided with projection on the right side of vertical core in fixing device, and underbump is provided with external screw thread, and described location nut is connected with external screw thread spiral；Being provided with slideway in vertical core, slideway slides is provided with slide block, and slide block upper and lower sides is respectively provided with push handle and needle stand, is provided with locating piece below needle stand, and locating piece is adjusted by regulation bolt；Described location-plate is detachably arranged on the sliding sleeve of lower section, and location-plate is provided with chute with a scale, is provided with needle guard in chute.
A kind of preclinical medicine ablating device the most according to claim 1, it is characterised in that: a length of 3-5mm of described energy dissipation body, the one being shaped as in spheroid, ellipsoid, flattened round body, flattened oval body of energy dissipation body；Described needle point be shaped as cone.
A kind of preclinical medicine ablating device the most according to claim 1, it is characterised in that: described soldering is hemispherical.
A kind of preclinical medicine ablating device the most according to claim 1, it is characterized in that: the width of described launch window is 1mm, the a length of 4.2mm of outer conductor between two launch windows, afterbody to the distance of soldering front end of the outer conductor getting close to soldering is 2.1mm.
A kind of preclinical medicine ablating device the most according to claim 1, it is characterized in that: described angle scale is made up of the discoid body that a pair is provided with engaging tooth, one discoid body is provided with axle, another discoid body is then placed on axle in shell-like and is provided with spring, two discoid bodies is additionally provided with scale to show deflection angle.
A kind of preclinical medicine ablating device the most according to claim 1, it is characterised in that: described location-plate is bent soft plate body, can be attached at human body surface.
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| CN201620186413.8U CN205459032U (en) | 2016-03-11 | 2016-03-11 | Ablation apparatus for foundation medicine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020020205A1 (en) * | 2018-07-26 | 2020-01-30 | 南京康友医疗科技有限公司 | Endoscopic ultrasonography flexible microwave ablation needle |
| CN111759427A (en) * | 2020-07-28 | 2020-10-13 | 南阳市中心医院 | Intracardiac package puncture drawing liquid device for branch of academic or vocational study |
| CN112754653A (en) * | 2021-01-15 | 2021-05-07 | 江苏省人民医院 | Laparoscope microwave needle |
| CN113679468A (en) * | 2021-08-26 | 2021-11-23 | 济南市儿童医院（山东大学齐鲁儿童医院） | Intermittent air-pressing hemangioma therapeutic device |
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2016
- 2016-03-11 CN CN201620186413.8U patent/CN205459032U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020020205A1 (en) * | 2018-07-26 | 2020-01-30 | 南京康友医疗科技有限公司 | Endoscopic ultrasonography flexible microwave ablation needle |
| CN111759427A (en) * | 2020-07-28 | 2020-10-13 | 南阳市中心医院 | Intracardiac package puncture drawing liquid device for branch of academic or vocational study |
| CN112754653A (en) * | 2021-01-15 | 2021-05-07 | 江苏省人民医院 | Laparoscope microwave needle |
| CN113679468A (en) * | 2021-08-26 | 2021-11-23 | 济南市儿童医院（山东大学齐鲁儿童医院） | Intermittent air-pressing hemangioma therapeutic device |
| CN113679468B (en) * | 2021-08-26 | 2022-11-01 | 济南市儿童医院（山东大学齐鲁儿童医院） | Intermittent air-pressing angioma therapeutic device |
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