CN209269867U - For the probe fixture in tumour ablation art - Google Patents

Abstract

The utility model relates to a kind of probe fixtures in tumour ablation art, comprising: mounting base, mounting base is for fixing on one's sick bed；One end of support arm, support arm is set in mounting base；And probe fixed mechanism, probe fixed mechanism include the connector connecting with the other end of support arm, at least two telescopic rods being rotatably set on connector and at least two fixing clamps being set on telescopic rod correspondingly.So, in the case where effect is auxiliarily fixed in the external force for the probe fixed mechanism that fixing clamp, telescopic rod and connector are constituted, it can not only prevent ablation probe from accidental movement occur because of reasons such as patient respiratory, high-tension current outputs, cause the blood vessel to tumour periphery, nerve etc. to cause to puncture damage, can effectively reduce the probability of happening of complication；The fixation that can guarantee ablation probe relative position simultaneously guarantees the positioning accuracy punctured, can effectively reduce the residual rate of lesion, promotes ablation effect.

Description

For the probe fixture in tumour ablation art

Technical field

The utility model relates to tumour ablation technical fields, more particularly to a kind of solid for the probe in tumour ablation art Determine device.

Background technique

Tumour heating ablation is to utilize thermogenetic biology for specific one in a certain internal organs or multiple tumor focus Effect directly results in a kind of accurate minimally-invasive treatment that irreversible damage or coagulation necrosis occur for the tumour cell in lesion tissue Technology.The treatment method mainly by ablation probe (antenna, electrode or optical fiber), passes through body surface location point edge under CT guidance Puncture, which enters, carries out ablation in target tissue.

During ablation probe punctures tumour, to seek precise positioning, generally require repeatedly to adjust spy under ct guidance Pin position, in the process, patient respiratory and CT scan process may cause the movement of probe, deviate scheduled ablation target Area, to influence ablation effect.Secondly, accidental movement of the ablation probe in art may also lead to probe insertion tumour periphery it is big Blood vessel, nerve or other organs increase the incidence of complication.And in current clinical manipulation, generally by doctor's hand Fixed probe is held, but manpower fixes use while often being difficult to fix two or more quantity ablation probes simultaneously, and sweeps in CT When retouching process, due to safety concerns, surgical staff needs to leave radiation area, and so will lead to can not monitor surgery situation in real time, In the presence of greatly security risk.

Utility model content

Based on this, it is necessary to provide a kind of probe fixture in tumour ablation art, be capable of fixing at least two The position of root ablation probe, it is ensured that the precise positioning of puncture procedure, guarantee ablation effect, while the incidence of complication is reduced, Keep surgical procedure safely controllable.

Its technical solution is as follows:

A kind of probe fixture in tumour ablation art, comprising:

Mounting base, the mounting base is for fixing on one's sick bed；

Support arm, one end of the support arm are set in the mounting base；And

Probe fixed mechanism, the probe fixed mechanism includes the connector connecting with the other end of the support arm, can At least two telescopic rods being rotatably dispose on the connector and be set on the telescopic rod correspondingly at least two A fixing clamp.

Above-mentioned probe fixture be mainly used in tumour ablation art to the installation position of at least two ablation probes into Row is fixed.Specifically in use, mounting base is fixed on the side bed frame of hospital bed first, without being mounted on patient's body in art On body, in favor of mitigating the load burden of patient, while skin contact pollution can be prevented.The position of support arm is adjusted later, Making probe fixed mechanism close to, puncture is auxiliarily fixed above the ablation probe in patient focal area in advance；It is fixed When, the length of telescopic rod is adjusted first, makes fixing clamp respectively close to ablation probe (fixing clamp and the ablation probe of corresponding number Fixed corresponding relationship one by one), and then different fixing clamps is operated respectively to ablation probe further according to the position of ablation probe It is clamped.In this way, effect is auxiliarily fixed in the external force of the probe fixed mechanism constituted in fixing clamp, telescopic rod and connector Under, it can not only prevent ablation probe from accidental movement occur because of reasons such as patient respiratory, high-tension current outputs, cause to tumour Blood vessel, the nerve on periphery etc. cause to puncture damage, can effectively reduce the probability of happening of complication；It can guarantee ablation probe simultaneously The fixation of relative position guarantees the positioning accuracy punctured, can effectively reduce the residual rate of lesion, promotes ablation effect.In addition, this The structure of probe fixture is simple, easy to use, may replace manpower while fixed more than two ablation probes, service performance It is stronger, and can ensure that operation safety carries out.

The technical solution of the application is further described below:

In one of the embodiments, the telescopic rod include the outer loop bar being rotatably connected with the connector and with The inner supporting rod of the fixing clamp connection, the outer loop bar are recessed with semi-enclosed hollow reservoir, institute to the other end along one end Inner supporting rod is stated slidably to be nested in the hollow reservoir；The hollow reservoir is on the inner wall of the open end of the outer loop bar It is provided with card convex, the card slot limit in the card convex and the outer wall for defaulting in the inner supporting rod cooperates.

In one of the embodiments, the fixing clamp include holder, the folder spring being rotatably set on the holder and Two elastomers at the both ends of the folder spring are respectively arranged at, the holder is provided with fastener, and the holder passes through described tight Firmware is fastenedly connected with the inner supporting rod, is enclosed between the folder spring and two elastomers and is set to be formed for clamping ablation probe Holding chamber.

The folder spring, which is located in the one side wall of the holding chamber, in one of the embodiments, is provided with oblique burr knot Structure.

In one of the embodiments, the connector include one end be provided with bulb body the first connector and one end it is recessed The second connector equipped with rounded channels, the bulb body are rotatably nested in the rounded channels, first connector it is another One end is connect with the end of the support arm；The other end of second connector be provided with interval setting and with the telescopic rod Quantity adaptation at least two connecting rods, the connecting rod and the outer loop bar are corresponded and are rotatably connected.

The support arm includes n support rod and (n-1) a locking piece, the support rod in one of the embodiments, Replace to connect with the locking piece and constitute the support arm, and the two neighboring support rod is rotatably locked by the locking piece It is solidly connected；The support rod in the support arm head end is connect with the connector, the institute in the support arm end Support rod is stated to be rotatably connected with the mounting base；Wherein, n is the positive integer more than or equal to 2.

The mounting base includes fixture and the pedestal that is set on the fixture in one of the embodiments, institute Pedestal is stated equipped with the first helicitic texture, the support rod is equipped with the second helicitic texture, first helicitic texture and described second Helicitic texture adaptation is screwed on.

The fixture includes the first clamping plate connecting with the pedestal and described first in one of the embodiments, The second clamping plate and make the first clamping plate and the second clamping plate can be close to each other or separate that clamping plate interval is oppositely arranged Bolt assembly cooperatively forms clip slot between the first clamping plate and the second clamping plate.

The first clamping plate and/or the second clamping plate are set towards the side of the clip slot in one of the embodiments, It is equipped with soft bed course.

The mounting base further includes sinker in one of the embodiments, the sinker be installed in the pedestal with Between the first clamping plate.

Detailed description of the invention

Fig. 1 is the structural representation described in an embodiment of the present invention for the probe fixture in tumour ablation art Figure.

Description of symbols:

100, mounting base, 110, fixture, 111, first clamping plate, 112, second clamping plate, 113, bolt assembly, 114, folder Slot, 120, pedestal, 130, sinker, 200, support arm, 210, support rod, 220, locking piece, 300, probe fixed mechanism, 310, Connector, the 311, first connector, 312, bulb body, the 313, second connector, 314, rounded channels, 320, telescopic rod, 321, outer Loop bar, 322, inner supporting rod, 330, fixing clamp, 331, holder, 332, folder spring, 333, elastomer, 400, soft bed course.

Specific embodiment

It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein Only to explain the utility model, the protection scope of the utility model is not limited.

It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection Formula.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title It distinguishes.

Thermal ablation therapy technology mainly includes RF ablation, microwave ablation, cryoablation, laser ablation and high-strength at present Spend focused ultrasound ablation.Operating process is exactly to enter ablation probe along puncture by body surface location point under CT guidance It is melted in target tissue.

Preoperative therapy plan be guarantee ablation whether successful key link, specifically include that 1. determine neoplastic lesion region (gross tumorregion, GTR): referring to the lesion region that iconography can define, that is, determine the location and size of focus, form, With the relationship of adjacent organs, GTR is primarily determined；2. selecting the body surface location of suitable position and point of puncture；3. puncture path: refer to from Point of puncture reaches the puncture channel of lesion, this distance is known as " target skin distance "；4. tentatively formulating ablation parameter.

It is successively punctured, is worn from body surface location point along puncture path according to the GTR of preoperative plan with ablation probe after anesthesia " target skin distance " that depth is preoperative plan is pierced, then whether is CT scan observation (can confirm by three-dimensional reconstruction image) ablation probe Reach scheduled ablation target area.Various modes can be used according to the size of tumour and position and carry out target tissue ablation: is 1. single Secondary single-point completes ablation (such as diameter≤3cm person)；2. single multiple spot completes ablation (such as diameter 3cm-5cm person)；③ Multiprobe single multiple spot or multiple multiple spot complete ablation (such as diameter > 5cm person or appeasing ablation).Used ablation parameter (temperature, power, time, circulation etc.) carries out different selections according to different equipment.Therefore, using multiprobe single multiple spot or When multiple multiple spot carries out ablation, will become fixed to the position of at least two ablation probe in art determines surgical effect One key factor.

Based on this, as shown in Figure 1, being filled for being fixed for the probe in tumour ablation art for an embodiment that the application is shown It sets, comprising: mounting base 100, the mounting base 100 is for fixing on one's sick bed；Support arm 200, the one of the support arm 200 End is set in the mounting base 100；And probe fixed mechanism 300, the probe fixed mechanism 300 include and the support arm The connector 310 of 200 other end connection, at least two telescopic rods for being rotatably set on the connector 310 and one by one Corresponding at least two fixing clamps 330 being set on the telescopic rod.

Above-mentioned probe fixture be mainly used in tumour ablation art to the installation position of at least two ablation probes into Row is fixed.Specifically in use, mounting base 100 is fixed on the side bed frame of hospital bed first, without being mounted on disease in art On human body, mitigate the load burden of patient, while skin contact pollution can be prevented.The position of support arm 200 is adjusted later, Making probe fixed mechanism 300 close to, puncture is auxiliarily fixed above the ablation probe in patient focal area in advance； When fixed, adjust the length of telescopic rod first, make fixing clamp 330 respectively close to corresponding number ablation probe (fixing clamp 330 with Ablation probe is corresponding relationship fixed one by one), and then operate different fixing clamps respectively further according to the position of ablation probe 330 pairs of ablation probes clamp.In this way, in the fixed machine of probe that fixing clamp 330, telescopic rod and connector 310 are constituted The external force of structure 300 is auxiliarily fixed under effect, can not only prevent ablation probe due to the reasons such as patient respiratory, high-tension current output There is accidental movement, causes the blood vessel to tumour periphery, nerve etc. to cause to puncture damage, the generation that can effectively reduce complication is general Rate；The fixation that can guarantee ablation probe relative position simultaneously guarantees the positioning accuracy punctured, promotes ablation effect, can be effective Reduce the residual rate of lesion.In addition, the structure of this probe fixture is simple, and it is easy to use, it may replace manpower while fixing two A above ablation probe, service performance is stronger, and can ensure that operation safety carries out.

It should be understood that the probe fixture of the technical program primarily serves the fixed angle of auxiliary ablation probe in art Color.That is, when actual operation, it is first manual to ablated volume, probe placement location and determination of amount, doctor according to Airborne Software Ablation probe is punctured on the focal area skin of patient, is finally again visited probe fixture and all ablations used Needle is gripped, and from there through the effect of contraction of external force, prevents ablation probe from accidental movement or deflection occur, it is ensured that ablation The depth of parallelism between probe.

And in this embodiment, the quantity of telescopic rod is six, and the quantity of fixing clamp 330 is also six, fixing clamp 330 are mounted on correspondingly on the free end (free end is one end far from support arm 200) of telescopic rod.The thus structure Insertion while can meet≤6 ablation probes simultaneously of probe fixed mechanism 300, suitable for single needle, crosspointer or spininess The probe of the ablation techniques such as microwave, radio frequency, freezing, irreversible fax hole is fixed, compared to being only capable of fixing an ablation probe For fixed device, more practical, service performance is stronger.

Of course, according to the demand of actual operation, can also to the capacity of probe fixed mechanism 300 carry out it is appropriate amplification or Reduction, also all within the scope of protection of this application.

But it should be recognized that the installation of the probe fixture in above-mentioned technical proposal, adjust and to ablation probe The series of operation steps such as grip be all based on what manpower manual operation was completed, it is not high may to have the degree of automation Under leading to problems such as efficient, bring trueness error is manually operated.Therefore in a further embodiment, the fixed dress of probe Setting can be by installing the power mechanisms such as several motor+transmission components and mounting base 100, support arm 200 and probe fixed mechanism additional 300 respectively drive connection, realize that the automatic installation positioning of probe fixture, automatic telescopic are adjusted and gripped automatically and disappear Melt probe, while equipping sensor, camera equally accurate feedback and calibration device, thus the further overall work of lifting device Precision.

The objective factors such as the different places occurred in view of the figure of different patients, different prone positions and lesion influence, The use of probe fixture should have certain tunable performance, so as to cover more different clinical diseases.Please after Continue refering to fig. 1, the support arm 200 includes n support rod 210 and (n-1) a locking piece 220, the support rod 210 and institute It states locking piece 220 alternately to connect and constitute the support arm 200, and the two neighboring support rod 210 passes through the locking piece 220 Rotatably lock and connect；The support rod 210 in 200 head end of support arm is connect with the connector 310, is in institute The support rod 210 and the mounting base 100 for stating 200 end of support arm are rotatably connected；Wherein, n is more than or equal to 2 Positive integer.The technical solution of the present embodiment for ease of understanding, the support arm 200 include two support rods 210 and a locking Part 220, two support rods 210 respectively first support bar and second support bar, one end of the first support bar and institute Fixed frame connection is stated, the other end is rotatably locked and connected by the locking piece 220 and one end of the second support bar, described The other end of second support bar is rotatably connected with the mounting base 100.Turned by second support bar and the mutual of mounting base 100 It is dynamic, direction and the angle of probe fixed mechanism 300 can be effectively adjusted, turns first support bar mutually with second support bar It is dynamic, the entire length of support arm 200 can be also further adjusted, probe fixed mechanism 300 is enabled to be moved to ablation probe At position, so as to be gripped.Thus pass through second support bar and mounting base 100 and first support bar and the The rotation connection relationship of two support rods is applicable in the reliable solid of the ablation probe of different location so that the adjustable controllability of device is good It is fixed.

Specific in the present embodiment, support arm 200 is made of four support rods 210 and three locking pieces 220, in addition to head and the tail Other than two support rods 210 are rotatablely connected with connector 310 and mounting base 100 respectively, four support rods 210 are each other by rotation Pair connects and composes hinge arrangement, and entire length and the space of support rod 210 can be elongated or shortened by mutual rotary movement Position, flexibility is high, and operability is good.

The optional locking piece 220 is wing screw, with preset screw hole on the end of support rod 210, is needed When being rotated, appropriate release wing screw, after being adjusted in place can quick locking and fixed two neighboring support rod 210 position It sets, adjustability is good, stable connection and high reliablity.

It of courses, locking piece 220 can also be using other types of connection and the fixed function of playing in the prior art Connecting component, also all within the scope of protection of this application.

The mounting base 100 includes fixture 110 and the pedestal 120 being set on the fixture 110, the pedestal 120 are equipped with the first helicitic texture, and the support rod 210 is equipped with the second helicitic texture, first helicitic texture and described second Helicitic texture adaptation is screwed on.In this way, being spirally connected by the first helicitic texture and the second helicitic texture, can not only ensure support arm 200 with the bonding strength of mounting base 100, facilitate assembly and disassembly, at the same can be realized 200 turned position of support arm it is accurate adjust and Fixation in place after adjusting enables probe fixed mechanism 300 to be accurately only parked at the position of ablation probe, realizes firm folder It holds.

Wherein, pedestal 120 is hollow round table structure, can reduce the overall weight of device, and in hollow wall setting the One helicitic texture is fixed so as to fill connection with support rod 210.

Please continue to refer to Fig. 1, the fixture 110 include the first clamping plate 111 being connect with the pedestal 120, with it is described First clamping plate 111 is spaced the second clamping plate 112 being oppositely arranged and makes the first clamping plate 111 can with the second clamping plate 112 Bolt assembly 113 close to each other or separate cooperatively forms clip slot between the first clamping plate 111 and the second clamping plate 112 114.Thus when installing probe fixture, adjusting bolt assembly 113 first makes first clamping plate 111 and second clamping plate 112 It is located remotely from each other, expands the size of clip slot 114, push fixture 110 later, be caught in the bed frame edge of hospital bed in clip slot 114, it First clamping plate 111 and second clamping plate 112 are close to each other and clamp bed frame when adjusting bolt assembly 113 again afterwards, thus can be completed The installation of probe fixture is fixed.The mounting means of above-mentioned connection structure is simple, operates convenient, laborsaving, bonding strength height.

In view of certain hospital beds are steel or wooden structures, chucking power is excessive may to cause extrusion damage and shadow to hospital bed Beautiful and service life is rung, or be will appear and skidded and fix unstable problem.Thus in an alternative embodiment, described first Clamping plate 111 and/or the second clamping plate 112 are provided with soft bed course 400 towards the side of the clip slot 114.Specifically, soft Bed course 400 is rubber pad, and quantity is two, the opposite side of first clamping plate 111 and second clamping plate 112 is separately fixed at, in this way, energy Enough contact friction forces increased to bed frame improve installation fastness, while mitigating scraping to bed frame, extrusion damage.

Further, as shown in Figure 1, the mounting base 100 further includes sinker 130, the sinker 130 is installed in Between the pedestal 120 and the first clamping plate 111.The sinker 130 is solid construction, such as can be iron block, bloom etc.； Its overall weight that can increase mounting base 100, prevent because support arm 200 stretch out it is too long or clamping ablation probe when stress due to There is gravity center instability, leads to device run-off the straight, influence normal use.

The telescopic rod include the outer loop bar 321 being rotatably connected with the connector 310 and with the fixing clamp 330 The inner supporting rod 322 of connection, the outer loop bar 321 is recessed with semi-enclosed hollow reservoir to the other end along one end, described interior Strut 322 is slidably nested in the hollow reservoir；Inner wall of the hollow reservoir close to the open end of the outer loop bar 321 On be provided with card convex, the card slot limit in the card convex and the outer wall for defaulting in the inner supporting rod 322 cooperates.In this way, passing through pumping Pull out or push back inner supporting rod 322, inner supporting rod 322 is moved freely in outer loop bar 321, can flexible modulation telescopic rod length Degree, so that fixing clamp 330 be enable to be moved on the ablation probe in different location, adjustable controllability is good, the scope of application Extensively.And card convex and card slot are designed and produced, when inner supporting rod 322 is in extreme position due to stretching, pass through card convex and card slot Buckle, can limit inner supporting rod 322, avoid inner supporting rod 322 is mobile from excessively deviating from out of outer loop bar 321, cause to fill Set damage.

Telescopic rod 320 can make the rotation of 180 degree with the horizontal direction of connector 310, it is thus possible to be suitable for not Tongfang To or angle ablation probe treatment need.

Please continue to refer to Fig. 1, on the basis of the above embodiments, the fixing clamp 330 includes holder 331, rotatably sets The folder spring 332 that is placed on the holder 331 and two elastomers 333 at the both ends for being respectively arranged at the folder spring 332, it is described Holder 331 is provided with fastener, and the holder 331 is fastenedly connected by the fastener with the inner supporting rod 322, the folder spring The holding chamber for setting and being formed for clamping ablation probe is enclosed between 332 and two elastomers 333.In this way, carrying out ablation probe It is clamping when, can opposite direction pull two elastomers 333 so that holding chamber is exposed and is increased, ablation probe is inserted in clamping later Intracavitary and unclamp elastomer 333, ablation probe can be realized under the encapsulation of folder spring 332 and two elastomers 333 and be fixed. The fixed form will not cause to damage to ablation probe, and flexible clamping can be realized.

Specifically, the tail end of holder 331 inwardly offers pilot hole, and the hole wall of the pilot hole is radially offered and assembled The threaded hole of hole connection, is bolted with fastening bolt in threaded hole.When needing to install fixing clamp 330 and adjust fixing clamp 330 When space angle, fastening bolt is unclamped, rotates holder 331 around inner supporting rod 322；When assembly in place and space angle adjustment After the completion, fastening bolt is locked.The bonding strength of the connection structure is high, and it is convenient to operate, and is convenient to mount and dismount, can be according to ablation hand The quantity flexible assembling of the ablation probe of required fixation in art.

Fixing clamp 330 can make the rotation of 180 degree with the horizontal direction of telescopic rod, it is thus possible to be suitable for different directions or The fixed of the ablation probe of angle needs.

Also, folder spring 332 is chosen as U-shaped card spring, which is that the low pair of spherical surface is connect with holder 331, so that U-shaped card Spring can be rotated respectively with 360 degree of the vertical direction of telescopic rod, be achieved in multiple directions and angle to the clamping of ablation probe, And meeting the Treatment need of different patient body positions, adjustable controllability is good, and using flexible is good.

Further, the folder spring 332, which is located at, is provided with oblique raised lines structure in the one side wall of the holding chamber and (does not show Out).The oblique raised lines structure can increase the contact friction force to ablation probe, so that folder spring 332 is to the clamping of ablation probe Ability is stronger, reduces risk of the ablation probe from clamping intracavitary slippage.

Please continue to refer to Fig. 1, further, the connector 310 includes the first connection that one end is provided with bulb body 312 Body 311 and one end are recessed with the second connector 313 of rounded channels 314, and the bulb body 312 is rotatably nested in the rounded channels In 314, the other end of first connector 311 is connect with the end of the support arm 200；Second connector 313 The other end is provided with interval setting and at least two connecting rods that are adapted to the quantity of the telescopic rod, the connecting rod with it is described The outer one-to-one correspondence of loop bar 321 is rotatably connected.In this way, bulb body 312 can in rounded channels 314 360 degree rotation so that Second connector 313 can be basic point with support arm 200, and telescopic arm and fixing clamp 330 is driven freely to revolve in hemispherical space Turn, with realizing multiple directions, multiple angles fixed ablation probe, meets the treatment need of different figure patients, different position postures It asks, mobility is higher with flexibility, and the scope of application is wider.

Above-mentioned mounting base 100, support arm 200 and probe fixed mechanism 300 are all made of non-toxic and tasteless polyvinyl chloride system Make, to meet environmental protection, the clean requirement of medical machinery.It of courses, the material of above-mentioned component can also be according to those skilled in the art Actual needs choose in the prior art other materials production, also within the scope of protection of this application.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of probe fixture in tumour ablation art characterized by comprising

Mounting base, the mounting base is for fixing on one's sick bed；

Support arm, one end of the support arm are set in the mounting base；And

Probe fixed mechanism, the probe fixed mechanism include the connector connecting with the other end of the support arm, can be rotated It at least two telescopic rods being set on the connector and is set on the telescopic rod correspondingly at least two solid Clamp.

2. the probe fixture according to claim 1 in tumour ablation art, which is characterized in that the telescopic rod Including the outer loop bar being rotatably connected with the connector and the inner supporting rod connecting with the fixing clamp, the outer loop bar is along it One end is recessed with semi-enclosed hollow reservoir towards the other end, and the inner supporting rod is slidably nested in the hollow reservoir；Institute It states hollow reservoir and is provided with card convex on the inner wall of the open end of the outer loop bar, the card convex and default in the inner supporting rod Outer wall on card slot limit cooperation.

3. the probe fixture according to claim 2 in tumour ablation art, which is characterized in that the fixing clamp Including holder, rotatably the folder spring that is set on the holder and two elastomers at the both ends for being respectively arranged at the folder spring, The holder is provided with fastener, and the holder is fastenedly connected by the fastener and the inner supporting rod, the folder spring and two The holding chamber for setting and being formed for clamping ablation probe is enclosed between a elastomer.

4. the probe fixture according to claim 3 in tumour ablation art, which is characterized in that the folder spring position In being provided with oblique raised lines structure in the one side wall of the holding chamber.

5. the probe fixture according to claim 2 in tumour ablation art, which is characterized in that the connector One end is provided with the first connector of bulb body and one end is recessed with the second connector of rounded channels, the bulb body can turn Dynamic to be nested in the rounded channels, the other end of first connector is connect with the end of the support arm；Described second connects At least two connecting rods that the other end of junctor is provided with interval setting and is adapted to the quantity of the telescopic rod, the connecting rod It is rotatably connected with the outer loop bar one-to-one correspondence.

6. the probe fixture according to claim 1 in tumour ablation art, which is characterized in that the support arm Including n support rod and n-1 locking piece, the support rod, which replaces to connect with the locking piece, constitutes the support arm, and phase Adjacent two support rods are rotatably locked and connected by the locking piece；The support rod in the support arm head end with The connector connection, the support rod in the support arm end are rotatably connected with the mounting base；Wherein, n is Positive integer more than or equal to 2.

7. the probe fixture according to claim 6 in tumour ablation art, which is characterized in that the mounting base Including fixture and the pedestal being set on the fixture, the pedestal is equipped with the first helicitic texture, and the support rod is equipped with Second helicitic texture, first helicitic texture are adapted to second helicitic texture and are screwed on.

8. the probe fixture according to claim 7 in tumour ablation art, which is characterized in that the fixture Including the first clamping plate being connect with the pedestal, the second clamping plate being oppositely arranged with the first clamping plate interval and make described First clamping plate and the second clamping plate can be close to each other or separate bolt assembly, the first clamping plate and the second clamping plate it Between cooperatively form clip slot.

9. the probe fixture according to claim 8 in tumour ablation art, which is characterized in that first folder Plate and/or the second clamping plate are provided with soft bed course towards the side of the clip slot.

10. the probe fixture according to claim 9 in tumour ablation art, which is characterized in that the installation Seat further includes sinker, and the sinker is installed between the pedestal and the first clamping plate.