CN109974900A - Melt needle fixation device and ablation needle thermal field test experience equipment - Google Patents
Melt needle fixation device and ablation needle thermal field test experience equipment Download PDFInfo
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- CN109974900A CN109974900A CN201910341410.5A CN201910341410A CN109974900A CN 109974900 A CN109974900 A CN 109974900A CN 201910341410 A CN201910341410 A CN 201910341410A CN 109974900 A CN109974900 A CN 109974900A
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- 238000002679 ablation Methods 0.000 title claims abstract description 89
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 206010028851 Necrosis Diseases 0.000 description 1
- 238000010317 ablation therapy Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of ablation needle fixation device and ablation needle thermal field test experience equipment, it is related to surgery simulation technical field of experiment equipment, the ablation needle fixation device includes: box body, plug, compressing member and jack, the plug is fixed on the lateral wall of the box body, and the jack runs through the plug and the box body, so that ablation needle can penetrate into the tray interior；The compressing member is actively socketed on the lateral wall of the plug, and the plug has elasticity；At least provided with two intervals and opposite press section on the compressing member, the press section is used to squeeze the opposite sides of the plug, so that the ablation needle is by the plug-locking.To make ablation needle be stably fixed on box body, reduces ablation needle caused by unexpected touch and moved relative to box body.
Description
Technical field
The present invention relates to surgery simulation technical field of experiment equipment, more particularly, to a kind of ablation needle fixation device and ablation
Needle thermal field test experience equipment.
Background technique
Tumour thermal ablation therapy is to utilize thermogenetic life for specific one in a certain internal organs or multiple tumor focus
Object effect directly result in the tumour cell in lesion tissue occur it is irreversible damage or coagulation necrosis one kind it is emerging minimally invasive
Treatment technology has broad application prospects, but the thermal field for how accurately detecting tumour heat ablation needle is always the technology that restricts
An important factor for popularization.
At this stage, the modeling and emulation of thermal field are melted by the available tumour heat of Physical Experiment combination computer simulation,
This simulation result can provide qualitative reference for the conformal therapy of clinical tumor.It, can not be to sense but in existing emulator
Warm element and ablation needle carry out stable fixation, and in experimentation, the position of the two may become because of accident collision
Change, leads to the reduction of experimental data accuracy rate.
Summary of the invention
The purpose of the present invention is to provide a kind of ablation needle fixation device and ablation needle thermal field test experience equipment, to alleviate
The technical issues of in existing experimental facilities, ablation needle is fixed unstable, and measurement data accuracy rate is caused to reduce.
The embodiment of the present invention is achieved in that
In a first aspect, a kind of ablation needle fixation device provided in an embodiment of the present invention, comprising: box body, plug, compressing member and
Jack, the plug are fixed on the lateral wall of the box body, and the jack runs through the plug and the box body, so as to disappear
The tray interior can be penetrated by melting needle；
The compressing member is actively socketed on the lateral wall of the plug, and the plug has elasticity；On the compressing member
At least provided with two intervals and opposite press section, the press section is used to squeeze the opposite sides of the plug, so that institute
Ablation needle is stated by the plug-locking.
Further, the outer wall of the plug includes tapered portion, and the cross section of the tapered portion is circle, and is inserted along described
To the box body direction, the diameter of the cross section of the tapered portion gradually increases head.
Further, the cross section of the compressing member inner wall is circle, and along the plug to the box body direction, described
The diameter of the cross section of compressing member inner wall gradually increases, and the inner wall of the compressing member forms the press section.
Further, it is arranged fluted on the outer wall of the box body, the plug is fixed on the interior of the groove, described recessed
Locking mechanism is correspondingly arranged on the outer wall of the inner wall of slot and the compressing member, the locking mechanism is for preventing the compressing member
It is moved along jack extending direction and the plug.
Further, the locking mechanism includes the internal screw thread being arranged on wall in the groove, and is arranged described
External screw thread on compressing member outer wall.
Further, the annular convex protruded to plug position, the compression are provided on the inner wall of the groove
The annular recessed portion for being clamped with the annular convex, and the annular recessed portion and the annular convex are provided on the outer wall of part
When clamping, the plug is by the compressing member banding.
Further, the compressing member includes inner sleeve and housing, and the annular recessed portion, which is located at outside described, to be put on, the inner sleeve
It is socketed with the plug；The inner sleeve is located in the housing, and the inner sleeve is connected with the housing far from one end of box body,
There is gap between the inner sleeve and housing.
Further, it is provided with outer hierarchic structure on outer wall of the plug far from one end of box body, the compressing member
It is provided on inner wall for the interior hierarchic structure with the outer hierarchic structure clamping, for preventing the compressing member from the plug
Upper abjection.
Further, the ablation needle fixation device includes support rod, and the support rod is fixed in the box body, described
Heat-shrinkable T bush is socketed on support rod, the heat-shrinkable T bush is used to that temperature-sensing element to be fixedly clamped in support rod and heat when shrinking
Between Heat-Shrinkable Tubings.
Second aspect, a kind of ablation needle thermal field test experience equipment provided in an embodiment of the present invention, including ablation needle, more
Temperature-sensing element and above-mentioned ablation needle fixation device.
The embodiment of the present invention bring it is following the utility model has the advantages that
Ablation needle fixation device provided in an embodiment of the present invention, comprising: box body, plug, compressing member and jack, plug are fixed
On the lateral wall of box body, and jack runs through plug and box body, so that ablation needle can penetrate into tray interior；Compressing member activity
It is socketed on the lateral wall of plug, plug has elasticity；At least provided with two intervals and opposite press section on compressing member, squeeze
Splenium is used for the opposite sides of extrusion pin, so that ablation needle is by plug-locking.Needle fixation device is melted before use, first will ablation
Needle passes through jack, and is moved at preset position；Then, compressing member is socketed on plug, makes the two opposite of compressing member
Press section compresses the outer wall of the opposite sides of plug, and after the outer wall of plug is compacted part compression, plug will deformation occurs, plug
Inner wall will clamp ablation needle, so that ablation needle be made to be stably fixed on box body, it is opposite to reduce ablation needle caused by unexpected touch
It is moved in box body.
The fixed form of temperature-sensing element in compared with the existing technology, ablation needle fixation device provided in an embodiment of the present invention
In, temperature-sensing element can be fixedly clamped on support rod by heat-shrinkable T bush, the fixation of temperature-sensing element is more stable, temperature-sensitive member
The relative position of part and support rod is not susceptible to change, and positioning accuracy improves.
Second aspect, a kind of ablation needle thermal field test experience equipment provided in an embodiment of the present invention, including ablation needle, more
Temperature-sensing element and above-mentioned ablation needle fixation device.Because ablation needle thermal field test experience equipment has above-mentioned ablation needle and fixes
Device, so, ablation needle thermal field test experience equipment also has above advantages.
Detailed description of the invention
Technical solution in order to illustrate more clearly of the specific embodiment of the invention or in the related technology, below will be to specific
Attached drawing needed in embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram for ablation needle fixation device that the embodiment of the present invention 1 provides；
Fig. 2 is the partial enlarged view of location A in Fig. 1；
Fig. 3 is the partial sectional view for the ablation needle fixation device plug position that the embodiment of the present invention 1 provides；
Fig. 4 is the schematic diagram of the position A-A cross section in Fig. 3；
Fig. 5 is the schematic diagram for another ablation needle fixation device that the embodiment of the present invention 1 provides；
Fig. 6 is the partial enlarged view of B location in Fig. 5；
Fig. 7 is the partial sectional view for the ablation needle fixation device plug position that the embodiment of the present invention 2 provides.
Icon: 100- box body；110- main body；111- groove；112- through-hole；120- supporting table；121- supporting surface；200- is inserted
Head；210- jack；220- elastic part；230- deformation gap；300- compressing member；310- inner sleeve；320- housing；330- is squeezed
Portion；The outer hierarchic structure of 410-；Hierarchic structure in 420-；510- support rod；520- heat-shrinkable T bush；530- reinforcing rod；600- temperature-sensitive
Element；700- ablation needle；810- annular convex；820- annular recessed portion.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Embodiment 1
As shown in figs 1 to 6, ablation needle fixation device provided in an embodiment of the present invention, comprising: box body 100, plug 200,
Compressing member 300 and jack 210, plug 200 are fixed on the lateral wall of box body 100, and jack 210 runs through plug 200 and box body
100, so that ablation needle 700 can penetrate into inside box body 100；Compressing member 300 is actively socketed on the lateral wall of plug 200,
Plug 200 has elasticity；It is spaced on compressing member 300 at least provided with two and opposite press section 330, press section 330 is used for
The opposite sides of extrusion pin 200, so that ablation needle 700 is locked by plug 200.The fixed device of ablation needle 700 will be before use, first will
Ablation needle 700 passes through jack 210, and is moved at preset position, then, compressing member 300 is socketed on plug 200, is made
Opposite two press sections 330 of compressing member 300 compress the outer wall of the opposite sides of plug 200, and the outer wall of plug 200 is compacted part
After 300 compress, plug 200 will deformation occurs, and the inner wall of plug 200 will clamp ablation needle 700, so that ablation needle 700 be made to stablize
Be fixed on box body 100, reduce ablation needle 700 caused by unexpected touch and moved relative to box body 100.
As shown in figure 3, the outer wall of plug 200 includes tapered portion, the cross section of tapered portion is circle, and along plug 200 to
100 direction of box body, the diameter of the cross section of tapered portion gradually increase, the direction of 200 relative motion of compressing member 300 and plug and insert
The direction that hole 210 extends is parallel.
That is, the outer wall of plug 200 may include conical structure, along plug 200 to 100 direction of box body, taper
The diameter of the cross section in portion gradually increases, and compressing member 300 may include cylindric sets of holes, for being socketed in plug, covers
The inner wall in hole is formed press section 330.When compressing member 300 is mobile to 100 direction of box body, the inner wall of compressing member 300 can be with
The tapered portion of plug 200 is compressed, and then the inner wall of plug 200 is inwardly compressed and clamps ablation needle 700；And compressing member 300 is supported or opposed
When moving to 100 direction of box body, the inner wall of compressing member 300 no longer extrusion pin 200,200 inner wall of plug releases ablation needle 700
It puts.
In order to be socketed in compressing member 300 more smoothly on plug, the cross section of 300 inner wall of compressing member is round, and edge
Plug 200 is to 100 direction of box body, and the diameter of the cross section of 300 inner wall of compressing member gradually increases, and the internal diameter of compressing member 300
In the outer diameter of plug 200 is at least less than in the presence of the diameter of a position.
Alternatively, along plug 200 to 100 direction of box body, the diameter of the cross section of tapered portion can also be gradually reduced, this
In the case of kind, by compressing member 300 to when moving backwards to 100 direction of box body, the inner wall of compressing member 300 can compress tapered portion, into
And the inner wall of plug 200 is inwardly compressed and clamps ablation needle 700；When compressing member 300 is mobile to 100 direction of box body, compressing member 300
Inner wall no longer extrusion pin 200,200 inner wall of plug discharges ablation needle 700.It is corresponding, along plug 200 to 100 side of box body
To the diameter of the cross section of tapered portion is gradually reduced.
Alternatively, the cross section of 300 inner wall of compressing member is circle, and along plug 200 to 100 direction of box body, compressing member
The diameter of the cross section of 300 inner walls gradually increases.In this case, the outer diameter of plug 200 can be constant, with compression
300 sets of part on plug 200, the internal diameter of compressing member 300 is gradually reduced, and compressing member 300 still can be with the outer of extrusion pin 200
Wall achievees the purpose that lock ablation needle 700.
Be arranged fluted 111 on the outer wall of box body 100, plug 200 is fixed on the interior of groove 111, the inner wall of groove 111 and
Locking mechanism is correspondingly arranged on the outer wall of compressing member 300, locking mechanism is for preventing compressing member 300 along 210 side of extension of jack
It is moved to plug 200.
Specifically, locking mechanism includes the internal screw thread being arranged on 111 inner wall of groove, and it is arranged outside compressing member 300
External screw thread on wall.Move forward and backward compressing member 300 along 200 length direction of plug, to realize pressure
Tight 300 locking plug 200 of part and release plug 200.Also, compressing member 300 must be realized by way of rotation and be moved forward and backward,
When compressing member 300 moves to certain position, and ablation needle 700 is locked, compressing member 300 is not easy with plug 200 in front and back
It is subjected to displacement on direction, plug 200 is discharged.
Friction structure is provided on the outer wall of compressing member 300, friction structure can be densely covered salient point.
As shown in figure 3, being provided with outer hierarchic structure 410, compressing member on the outer wall of the one end of plug 200 far from box body 100
The interior hierarchic structure 420 for being clamped with outer hierarchic structure 410 is provided on 300 inner wall, for prevent compressing member 300 from insert
Deviate from first 200.
Ablation needle fixation device includes support rod 510, and support rod 510 is for fixing temperature-sensing element 600, temperature-sensing element 600
For strip, support rod 510 is fixed in box body 100, and heat-shrinkable T bush 520 is socketed on support rod 510.In use, by temperature-sensitive member
Part 600 is through in heat-shrinkable T bush 520, is then heated to heat-shrinkable T bush 520,520 heat shrinkable of heat-shrinkable T bush, by temperature-sensitive member
600 banding of part is on support rod 510.
The quantity of support rod 510 be it is a plurality of, a plurality of support rod 510 is parallel and interval setting, the length direction of support rod 510
It is vertical with the length direction of jack 210.The both ends of support rod 510 two inner walls opposite with box body 100 are connect.
Scale is provided on the outer wall of support rod 510.It is convenient that the position for the temperature-sensing element 600 being put into is measured.
As shown in figure 4, plug 200 can be structure as a whole, it can also be surrounded by multiple elastic parts 220, and any
There is deformation gap 230 between two neighboring elastic part 220.When 300 sets of compressing member on plug 200, and by compressing member 300
When compression, each elastic part 220 can be moved inwardly, squeeze ablation needle 700.
As shown in Figure 5 and Figure 6, ablation needle fixation device includes reinforcing rod 530, and reinforcing rod 530 is supported with each respectively
Bar 510 connects, and the both ends of reinforcing rod 530 are connect with the inner wall of box body 100.The quantity of reinforcing rod 530 can be more, reinforce
Bar 530 and support rod 510 anyhow arrangement be connected to each other to be formed it is netted.Fixed effect is further increased, single supporting bar 510 is avoided
Shaking up and down causes temperature-sensing element 600 to be displaced, to influence the accuracy of thermal field detection.
Box body 100 includes main body 110 and supporting table 120, and supporting table 120 includes supporting surface 121, supporting surface 121 and main body
There is gap, plug 200 is located on supporting surface 121, and jack 210 is through plug 200, supporting surface 121 and master between 110 outer walls
Body 110.The tie point of ablation needle 700 and box body 100 is two, is located at logical on 110 side wall of main body and on supporting surface 121
Hole 112 limits ablation needle 700 jointly, reduces the amplitude peak of the shaking of ablation needle 700.
The through-hole 112 being provided with inside and outside connection box body 100 on the side wall of box body 100, through-hole 112 is for making temperature-sensing element
600 pass through.
Box body 100 can be prepared for transparent material, the convenient variation that medium in box body 100 is observed in experiment, such as
PMMA (polymethyl methacrylate), PC (polycarbonate) etc..The material of plug can be silicone gum rubber etc..
The material of support rod 510 and reinforcing rod 530 is nonmetallic materials, avoids having an impact thermal field, outer diameter can be
0.8mm, material can be glass fibre.Heat-shrinkable T bush 520 uses PTFE (polytetrafluoroethylene (PTFE)) material, high temperature resistant, when not contracted
Outer diameter 1.6mm, shrinkage rates 4:1, high temperature (380-500 DEG C), which blows roasting heat-shrinkable T bush 520, ties up its pyrocondensation by temperature-sensing element 600
On support rod 510.
In the same plane, support rod 510 can carry ablation needle 700 for the position of jack 210 and support rod 510.
The device detects the physics experimental stage for heating ablation needle thermal field, using steps are as follows:
1. temperature-sensing element 600 is preset on support rod 510 according to testing scheme, in the outer surface scale of support rod 510
Instruction under, temperature-sensing element 600 is inserted into heat-shrinkable T bush 520 and fixed；
2. high temperature blows roasting heat-shrinkable T bush 520, heat-shrinkable T bush 520 is shunk, temperature-sensing element 600 is bundled in support rod 510
On；
3. heating ablation needle 700 is passed through jack 210 until wearing to box body 100, pass through the syringe needle position of heating ablation needle 700
It sets and shank outer surface scale judges the insertion depth of heating ablation needle 700；
4. adjustment compressing member 300 keeps heating ablation needle 700 axially locked after 700 position of heating ablation needle mixes up；
5. pour into test medium into box body 100, open heating ablation instrument and carry out ablation experiment, temperature collection data using as
The basic data of thermal field computer simulation.
Embodiment 2
As shown in fig. 7, difference from Example 1 is, it is provided on the inner wall of groove 111 in place to 200 institute of plug
The annular convex 810 of protrusion is set, the annular recessed portion for being clamped with annular convex 810 is provided on the outer wall of compressing member 300
820.Compressing member 300 can be pushed to 100 direction of box body, snap onto annular convex 810 in annular recessed portion 820, press at this time
The inner wall of tight part 300 clamps plug 200, and compressing member 300 is not moving forward and backward.
Compressing member 300 includes inner sleeve 310 and housing 320, and annular recessed portion 820 is located on housing 320, inner sleeve 310 and plug
200 sockets；Inner sleeve 310 is located in housing 320, and inner sleeve 310 is connected with housing 320 far from one end of box body 100, inner sleeve 310
There is gap between housing 320.Gap makes housing 320 there are mobile space, and user can make ring by squeezing housing 320
Shape protrusion 810 is separated with annular recessed portion 820, is facilitated and is taken out compressing member 300 out of groove 111.
The groove of multiple tracks annular can be set on housing 320, annular groove is for increasing frictional force.
Second aspect, a kind of ablation needle thermal field test experience equipment provided in an embodiment of the present invention, including ablation needle 700,
More temperature-sensing elements 600 and above-mentioned ablation needle fixation device.Because ablation needle thermal field test experience equipment has above-mentioned disappear
Melt needle fixation device, so, ablation needle thermal field test experience equipment also has above advantages.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ablation needle fixation device characterized by comprising box body, plug, compressing member and jack, the plug are fixed
On the lateral wall of the box body, and the jack runs through the plug and the box body, so that ablation needle can penetrate into institute
State tray interior；
The compressing member is actively socketed on the lateral wall of the plug, and the plug has elasticity；On the compressing member at least
Interval and opposite press section there are two being arranged, the press section is used to squeeze the opposite sides of the plug, so that described disappear
Melt needle by the plug-locking.
2. ablation needle fixation device according to claim 1, which is characterized in that the outer wall of the plug includes tapered portion,
The cross section of the tapered portion is circle, and along the plug to the box body direction, the diameter of the cross section of the tapered portion
It gradually increases.
3. ablation needle fixation device according to claim 1 or 2, which is characterized in that the cross section of the compressing member inner wall
For circle, and along the plug to the box body direction, the diameter of the cross section of the compressing member inner wall is gradually increased, the pressure
The inner wall of tight part forms the press section.
4. ablation needle fixation device according to claim 1, which is characterized in that be provided on the outer wall of the box body recessed
Slot, the plug are fixed on the interior of the groove, are correspondingly arranged on lock on the outer wall of the inner wall of the groove and the compressing member
Locking structure, the locking mechanism is for preventing the compressing member from moving along jack extending direction and the plug.
5. ablation needle fixation device according to claim 4, which is characterized in that the locking mechanism includes being arranged described
Internal screw thread on groove inner wall, and the external screw thread being arranged on the compressing member outer wall.
6. ablation needle fixation device according to claim 4, which is characterized in that be provided on the inner wall of the groove to slotting
The annular convex of head position protrusion, the ring-type for being clamped with the annular convex is provided on the outer wall of the compressing member
Recess portion, and when the annular recessed portion and annular convex clamping, the plug is by the compressing member banding.
7. ablation needle fixation device according to claim 6, which is characterized in that the compressing member includes inner sleeve and housing,
The annular recessed portion, which is located at outside described, to be put on, and the inner sleeve and the plug are socketed；The inner sleeve is located in the housing, and institute
It states inner sleeve and is connected with the housing far from one end of box body, there is gap between the inner sleeve and housing.
8. ablation needle fixation device according to claim 1, which is characterized in that outside the one end of the plug far from box body
It is provided with outer hierarchic structure on wall, is provided on the inner wall of the compressing member for the interior ladder with the outer hierarchic structure clamping
Structure, for preventing the compressing member from deviating from from the plug.
9. ablation needle fixation device according to claim 1, which is characterized in that the ablation needle fixation device includes support
Bar, the support rod are fixed in the box body, heat-shrinkable T bush are socketed on the support rod, the heat-shrinkable T bush is for receiving
Temperature-sensing element is fixedly clamped between support rod and heat-shrinkable T bush when contracting.
10. a kind of ablation needle thermal field test experience equipment, which is characterized in that wanted including ablation needle, more temperature-sensing elements and right
Seek ablation needle fixation device described in 1-9 any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341410.5A CN109974900B (en) | 2019-04-25 | 2019-04-25 | Ablation needle fixing device and ablation needle thermal field detection experimental equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341410.5A CN109974900B (en) | 2019-04-25 | 2019-04-25 | Ablation needle fixing device and ablation needle thermal field detection experimental equipment |
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| Publication Number | Publication Date |
|---|---|
| CN109974900A true CN109974900A (en) | 2019-07-05 |
| CN109974900B CN109974900B (en) | 2024-06-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200413A1 (en) * | 2006-08-22 | 2009-08-13 | Klaus-Dieter Sacherer | Diagnostic tape cassette |
| US20110263957A1 (en) * | 2008-04-23 | 2011-10-27 | Bruno Thoes | Test system |
| US20120210793A1 (en) * | 2009-06-03 | 2012-08-23 | Rwr Systems Limited | Sensor assembly and a method of sensing |
| CN206114137U (en) * | 2016-08-30 | 2017-04-19 | 天津德尔泰热控系统有限公司 | Thermocouple cable terminal box |
| CN209689792U (en) * | 2019-04-25 | 2019-11-26 | 南京康友医疗科技有限公司 | Melt needle fixation device and ablation needle thermal field test experience equipment |
-
2019
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090200413A1 (en) * | 2006-08-22 | 2009-08-13 | Klaus-Dieter Sacherer | Diagnostic tape cassette |
| US20110263957A1 (en) * | 2008-04-23 | 2011-10-27 | Bruno Thoes | Test system |
| US20120210793A1 (en) * | 2009-06-03 | 2012-08-23 | Rwr Systems Limited | Sensor assembly and a method of sensing |
| CN206114137U (en) * | 2016-08-30 | 2017-04-19 | 天津德尔泰热控系统有限公司 | Thermocouple cable terminal box |
| CN209689792U (en) * | 2019-04-25 | 2019-11-26 | 南京康友医疗科技有限公司 | Melt needle fixation device and ablation needle thermal field test experience equipment |
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