CN109974900B - Ablation needle fixing device and ablation needle thermal field detection experimental equipment - Google Patents
Ablation needle fixing device and ablation needle thermal field detection experimental equipment Download PDFInfo
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- CN109974900B CN109974900B CN201910341410.5A CN201910341410A CN109974900B CN 109974900 B CN109974900 B CN 109974900B CN 201910341410 A CN201910341410 A CN 201910341410A CN 109974900 B CN109974900 B CN 109974900B
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
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Abstract
The invention provides an ablation needle fixing device and an ablation needle thermal field detection experiment device, and relates to the technical field of medical simulation experiment devices, wherein the ablation needle fixing device comprises: the ablation device comprises a box body, a plug, a pressing piece and a jack, wherein the plug is fixed on the outer side wall of the box body, and the jack penetrates through the plug and the box body so that an ablation needle can penetrate into the box body; the pressing piece is movably sleeved on the outer side wall of the plug, and the plug has elasticity; the pressing piece is provided with at least two extrusion parts which are spaced and opposite, and the extrusion parts are used for extruding two opposite sides of the plug so that the ablation needle is locked by the plug. Therefore, the ablation needle is stably fixed on the box body, and movement of the ablation needle relative to the box body caused by accidental touch is reduced.
Description
Technical Field
The invention relates to the technical field of medical simulation experiment equipment, in particular to an ablation needle fixing device and ablation needle thermal field detection experiment equipment.
Background
The tumor thermal ablation treatment is an emerging minimally invasive treatment technology which directly causes irreversible damage or coagulative necrosis of tumor cells in focus tissues by utilizing the biological effect of heat generation aiming at a specific one or more tumor focuses in a certain organ, has wide application prospect, but how to accurately detect the thermal field of a tumor thermal ablation needle is always an important factor for restricting the popularization of the technology.
At present, modeling and simulation of a tumor thermal ablation thermal field can be obtained by combining a physical experiment with computer simulation, and the simulation result can provide quantitative reference for conformal treatment of clinical tumors. However, in the existing simulation equipment, the temperature sensing element and the ablation needle cannot be stably fixed, and in the experimental process, the positions of the temperature sensing element and the ablation needle may change due to accidental collision, so that the accuracy of experimental data is reduced.
Disclosure of Invention
The invention aims to provide an ablation needle fixing device and an ablation needle thermal field detection experimental device, so as to solve the technical problem that in the existing experimental device, the ablation needle is unstable in fixation, and the accuracy of measured data is reduced.
Embodiments of the present invention are implemented as follows:
In a first aspect, an embodiment of the present invention provides an ablation needle fixing device, including: the ablation device comprises a box body, a plug, a pressing piece and a jack, wherein the plug is fixed on the outer side wall of the box body, and the jack penetrates through the plug and the box body so that an ablation needle can penetrate into the box body;
The pressing piece is movably sleeved on the outer side wall of the plug, and the plug has elasticity; the pressing piece is provided with at least two extrusion parts which are spaced and opposite, and the extrusion parts are used for extruding two opposite sides of the plug so that the ablation needle is locked by the plug.
Further, the outer wall of the plug comprises a conical portion, the cross section of the conical portion is circular, and the diameter of the cross section of the conical portion gradually increases along the direction from the plug to the box body.
Further, the cross section of the inner wall of the pressing piece is circular, and the diameter of the cross section of the inner wall of the pressing piece gradually increases along the direction from the plug to the box body, and the inner wall of the pressing piece forms the extrusion part.
Further, a groove is formed in the outer wall of the box body, the plug is fixed in the groove, a locking structure is correspondingly arranged on the inner wall of the groove and the outer wall of the pressing piece, and the locking structure is used for preventing the pressing piece from moving along the extending direction of the jack and the plug.
Further, the locking structure comprises an internal thread arranged on the inner wall of the groove and an external thread arranged on the outer wall of the pressing piece.
Further, an annular convex part protruding to the position where the plug is located is arranged on the inner wall of the groove, an annular concave part used for being clamped with the annular convex part is arranged on the outer wall of the pressing piece, and when the annular concave part is clamped with the annular convex part, the plug is clamped by the pressing piece.
Further, the compressing piece comprises an inner sleeve and an outer sleeve, the annular concave part is positioned on the outer sleeve, and the inner sleeve is sleeved with the plug; the inner sleeve is positioned in the outer sleeve, one end, far away from the box body, of the inner sleeve is connected with the outer sleeve, and a gap is reserved between the inner sleeve and the outer sleeve.
Further, an outer step structure is arranged on the outer wall of one end, far away from the box body, of the plug, and an inner step structure used for being clamped with the outer step structure is arranged on the inner wall of the pressing piece, so that the pressing piece is prevented from being separated from the plug.
Further, the ablation needle fixing device comprises a supporting rod, the supporting rod is fixed in the box body, a heat-shrinkable sleeve is sleeved on the supporting rod, and the heat-shrinkable sleeve is used for clamping and fixing the temperature-sensitive element between the supporting rod and the heat-shrinkable sleeve when the temperature-sensitive element is shrunk.
In a second aspect, an embodiment of the present invention provides an ablation needle thermal field detection experimental apparatus, including an ablation needle, a plurality of temperature sensing elements, and an ablation needle fixing device as described above.
The embodiment of the invention has the following beneficial effects:
An embodiment of the present invention provides an ablation needle fixing device, including: the ablation device comprises a box body, a plug, a pressing piece and a jack, wherein the plug is fixed on the outer side wall of the box body, and the jack penetrates through the plug and the box body so that the ablation needle can penetrate into the box body; the pressing piece is movably sleeved on the outer side wall of the plug, and the plug has elasticity; the pressing piece is provided with at least two extrusion parts which are spaced and opposite, and the extrusion parts are used for extruding two opposite sides of the plug so that the ablation needle is locked by the plug. Before the ablation needle fixing device is used, the ablation needle passes through the jack and moves to a preset position; then, cup joint the clamp on the plug, make two relative extrusions of clamp compress tightly the outer wall of the relative both sides of plug, the outer wall of plug is compressed tightly the back by the clamp, and the plug will take place deformation, and the inner wall of plug will press from both sides tight ablation needle to make the stable fixing of ablation needle on the box body, reduce the unexpected ablation needle that leads to touching and take place to remove for the box body.
Compared with the fixing mode of the temperature sensing element in the prior art, in the ablation needle fixing device provided by the embodiment of the invention, the temperature sensing element can be clamped and fixed on the supporting rod through the heat shrinkage sleeve, the fixing of the temperature sensing element is more stable, the relative position of the temperature sensing element and the supporting rod is not easy to change, and the positioning precision is improved.
In a second aspect, an embodiment of the present invention provides an ablation needle thermal field detection experimental apparatus, including an ablation needle, a plurality of temperature sensing elements, and an ablation needle fixing device as described above. Because the ablation needle thermal field detection experimental equipment is provided with the ablation needle fixing device, the ablation needle thermal field detection experimental equipment also has the advantages.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic view of an ablation needle fixture according to embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion of the position A of FIG. 1;
FIG. 3 is a partial cross-sectional view of the position of the plug of the ablation needle fixture provided in embodiment 1 of the invention;
FIG. 4 is a schematic view in cross-section of the position A-A in FIG. 3;
FIG. 5 is a schematic view of another embodiment of an ablation needle fixture in accordance with embodiment 1 of the invention;
FIG. 6 is an enlarged view of a portion of the B position of FIG. 5;
fig. 7 is a partial cross-sectional view of the position of the plug of the ablation needle fixture provided in embodiment 2 of the invention.
Icon: 100-box body; 110-a body; 111-grooves; 112-a through hole; 120-supporting table; 121-a support surface; 200-plug; 210-a jack; 220-an elastic portion; 230-deformation gap; 300-pressing piece; 310-inner sleeve; 320-coat; 330-pressing part; 410-outer stair step structure; 420-an inner step structure; 510-supporting rods; 520-heat-shrinkable sleeve; 530-a reinforcing bar; 600-temperature sensing elements; 700-an ablation needle; 810-annular protrusions; 820-annular recess.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
As shown in fig. 1 to 6, an ablation needle fixing device provided in an embodiment of the present invention includes: the ablation device comprises a box body 100, a plug 200, a pressing piece 300 and a jack 210, wherein the plug 200 is fixed on the outer side wall of the box body 100, and the jack 210 penetrates through the plug 200 and the box body 100 so that an ablation needle 700 can penetrate into the box body 100; the pressing piece 300 is movably sleeved on the outer side wall of the plug 200, and the plug 200 has elasticity; at least two pressing portions 330 are provided on the pressing member 300 at intervals and opposite to each other, and the pressing portions 330 are used to press opposite sides of the insertion head 200, so that the ablation needle 700 is locked by the insertion head 200. Before the ablation needle 700 fixing device is used, the ablation needle 700 passes through the jack 210 and moves to a preset position, then the pressing piece 300 is sleeved on the plug 200, the two opposite pressing parts 330 of the pressing piece 300 press the outer walls of the two opposite sides of the plug 200, after the outer walls of the plug 200 are pressed by the pressing piece 300, the plug 200 is deformed, the inner wall of the plug 200 clamps the ablation needle 700, so that the ablation needle 700 is stably fixed on the box body 100, and the movement of the ablation needle 700 relative to the box body 100 caused by accidental touch is reduced.
As shown in fig. 3, the outer wall of the plug 200 includes a tapered portion having a circular cross section, and the diameter of the tapered portion gradually increases in the direction of the plug 200 toward the case 100, and the direction of the relative movement of the pressing member 300 and the plug 200 is parallel to the direction in which the insertion hole 210 extends.
That is, the outer wall of the plug 200 may include a conical structure in which the diameter of the cross section of the conical portion gradually increases in the direction of the plug 200 toward the case 100, and the pressing member 300 may include a cylindrical socket for being coupled to the plug, and the inner wall of the socket forms the pressing portion 330. When the pressing piece 300 moves towards the box body 100, the inner wall of the pressing piece 300 can compress the conical part of the plug 200, so that the inner wall of the plug 200 compresses inwards to clamp the ablation needle 700; when the pressing member 300 is moved in a direction away from the case 100, the inner wall of the pressing member 300 does not press the plug 200 any more, and the inner wall of the plug 200 releases the ablation needle 700.
In order to enable the pressing member 300 to be more smoothly sleeved on the plug, the cross section of the inner wall of the pressing member 300 is circular, the diameter of the cross section of the inner wall of the pressing member 300 gradually increases along the direction of the plug 200 toward the box body 100, and the diameter of at least one position in the inner diameter of the pressing member 300 is smaller than the outer diameter of the plug 200.
Alternatively, the diameter of the cross section of the tapered portion may be gradually reduced along the direction from the plug 200 toward the case 100, in which case, when the pressing member 300 is moved in a direction away from the case 100, the inner wall of the pressing member 300 may compress the tapered portion, so that the inner wall of the plug 200 compresses and clamps the ablation needle 700 inward; when the pressing member 300 is moved toward the case 100, the inner wall of the pressing member 300 no longer presses the plug 200, and the inner wall of the plug 200 releases the ablation needle 700. Correspondingly, the diameter of the cross section of the tapered portion gradually decreases in the direction of the plug 200 toward the case 100.
Alternatively, the cross section of the inner wall of the pressing member 300 is circular, and the diameter of the cross section of the inner wall of the pressing member 300 gradually increases in the direction of the plug 200 toward the case 100. In this case, the outer diameter of the plug 200 may be unchanged, and as the pressing member 300 is sleeved on the plug 200, the inner diameter of the pressing member 300 gradually decreases, and the pressing member 300 may still press the outer wall of the plug 200, so as to achieve the purpose of locking the ablation needle 700.
The outer wall of the box body 100 is provided with a groove 111, the plug 200 is fixed in the groove 111, the inner wall of the groove 111 and the outer wall of the pressing piece 300 are correspondingly provided with locking structures, and the locking structures are used for preventing the pressing piece 300 from moving with the plug 200 along the extending direction of the jack 210.
Specifically, the locking structure includes an internal thread provided on the inner wall of the recess 111, and an external thread provided on the outer wall of the pressing member 300. The pressing member 300 is moved back and forth along the length direction of the plug 200 by rotating, thereby realizing locking of the plug 200 by the pressing member 300 and releasing of the plug 200. In addition, the pressing member 300 must be rotated to move back and forth, and when the pressing member 300 is moved to a certain position and the ablation needle 700 is locked, the pressing member 300 is not easily displaced in the back and forth direction with the plug 200, releasing the plug 200.
The outer wall of the compressing member 300 is provided with a friction structure, which may be densely distributed bumps.
As shown in fig. 3, an outer wall of one end of the plug 200 away from the box body 100 is provided with an outer step structure 410, and an inner wall of the pressing member 300 is provided with an inner step structure 420 for being clamped with the outer step structure 410, so as to prevent the pressing member 300 from being separated from the plug 200.
The ablation needle fixing device comprises a supporting rod 510, the supporting rod 510 is used for fixing a temperature sensing element 600, the temperature sensing element 600 is in a strip shape, the supporting rod 510 is fixed in the box body 100, and a heat-shrinkable sleeve 520 is sleeved on the supporting rod 510. In use, the temperature sensing element 600 is put through the heat shrinkage sleeve 520, then the heat shrinkage sleeve 520 is heated, the heat shrinkage sleeve 520 is heated to shrink, and the temperature sensing element 600 is fastened on the support rod 510.
The number of the support rods 510 is a plurality, the support rods 510 are parallel and are arranged at intervals, and the length direction of the support rods 510 is perpendicular to the length direction of the insertion holes 210. Both ends of the support bar 510 are connected to opposite inner walls of the case 100.
The outer wall of the support bar 510 is provided with graduations. It is convenient to measure the position of the temperature sensing element 600 that is placed.
As shown in fig. 4, the plug 200 may be an integral structure, or may be surrounded by a plurality of elastic portions 220, and a deformation gap 230 is formed between any two adjacent elastic portions 220. When the compression member 300 is fitted over the plug 200 and compresses the compression member 300, each of the resilient portions 220 moves inward to compress the ablation needle 700.
As shown in fig. 5 and 6, the ablation needle fixture includes a reinforcing bar 530, the reinforcing bar 530 is connected to each supporting bar 510, and both ends of the reinforcing bar 530 are connected to the inner wall of the case 100. The number of the reinforcing rods 530 may be plural, and the reinforcing rods 530 and the supporting rods 510 may be connected to each other in a horizontal and vertical arrangement to form a net shape. Further improving the fixing effect, avoiding the temperature sensing element 600 displacement caused by the vertical and horizontal shaking of the single support rod 510, thereby affecting the accuracy of thermal field detection.
The box body 100 comprises a main body 110 and a supporting table 120, the supporting table 120 comprises a supporting surface 121, a gap is reserved between the supporting surface 121 and the outer wall of the main body 110, the plug 200 is positioned on the supporting surface 121, and the jack 210 penetrates through the plug 200, the supporting surface 121 and the main body 110. The two connection points of the ablation needle 700 and the box body 100 are arranged, and the through holes 112 respectively arranged on the side wall of the main body 110 and the supporting surface 121 limit the ablation needle 700 together, so that the maximum shaking amplitude of the ablation needle 700 is reduced.
The side wall of the case 100 is provided with a through hole 112 for communicating the inside and the outside of the case 100, and the through hole 112 is used for allowing the temperature sensing element 600 to pass through.
The box body 100 can be made of transparent materials, so that the change of the medium in the box body 100, such as PMMA (polymethyl methacrylate), PC (polycarbonate) and the like, can be conveniently observed in experiments. The plug can be made of silica gel rubber and the like.
The supporting rod 510 and the reinforcing rod 530 are made of non-metal materials, so that the influence on the thermal field is avoided, the outer diameter can be 0.8mm, and the supporting rod and the reinforcing rod can be made of glass fibers. The heat-shrinkable sleeve 520 is made of PTFE (polytetrafluoroethylene) and has high temperature resistance, the outer diameter is 1.6mm when the heat-shrinkable sleeve is not shrunk, the shrinkage ratio is 4:1, and the heat-shrinkable sleeve 520 is baked at high temperature (380-500 ℃) in a blowing way so as to enable the heat-shrinkable sleeve to be heat-shrunk, so that the temperature-sensitive element 600 is bound on the support rod 510.
The location of the insertion hole 210 is on the same plane as the support bar 510, and the support bar 510 is capable of carrying the ablation needle 700.
The device is used for a thermal field detection physical experiment stage of a thermal ablation needle, and comprises the following using steps:
1. presetting the temperature sensing element 600 on the support rod 510 according to a test scheme, and inserting the temperature sensing element 600 into the heat-shrinkable sleeve 520 and fixing under the indication of the scale of the outer surface of the support rod 510;
2. the heat-shrinkable sleeve 520 is blown and baked at high temperature, so that the heat-shrinkable sleeve 520 is shrunk, and the temperature-sensitive element 600 is bound on the support rod 510;
3. the thermal ablation needle 700 is inserted into the box body 100 through the insertion hole 210, and the insertion depth of the thermal ablation needle 700 is judged according to the needle head position of the thermal ablation needle 700 and the scales on the outer surface of the needle rod;
4. After the position of the thermal ablation needle 700 is adjusted, the pressing piece 300 is adjusted to axially lock the thermal ablation needle 700;
5. Pouring an experimental medium into the box body 100, starting a thermal ablation instrument to perform an ablation experiment, and collecting temperature data to serve as basic data of thermal field computer simulation.
Example 2
As shown in fig. 7, the difference from embodiment 1 is that an annular protrusion 810 protruding toward the position of the plug 200 is provided on the inner wall of the recess 111, and an annular recess 820 for engaging with the annular protrusion 810 is provided on the outer wall of the pressing member 300. The pressing member 300 may be pushed toward the case 100 so that the annular protrusion 810 is caught in the annular recess 820, and at this time, the inner wall of the pressing member 300 clamps the plug 200, and the pressing member 300 does not move forward and backward.
The pressing member 300 includes an inner sleeve 310 and an outer sleeve 320, the annular recess 820 is located on the outer sleeve 320, and the inner sleeve 310 is sleeved with the plug 200; the inner sleeve 310 is positioned in the outer sleeve 320, and the inner sleeve 310 and the outer sleeve 320 are connected at an end far away from the case 100 with a gap between the inner sleeve 310 and the outer sleeve 320. The gap provides room for movement of the sleeve 320 so that a user can separate the annular protrusion 810 from the annular recess 820 by squeezing the sleeve 320 to facilitate removal of the compression member 300 from the recess 111.
The outer sleeve 320 may be provided with a plurality of annular grooves for increasing friction.
In a second aspect, an embodiment of the present invention provides an ablation needle thermal field detection experimental apparatus, which includes an ablation needle 700, a plurality of temperature sensing elements 600, and an ablation needle fixing device as described above. Because the ablation needle thermal field detection experimental equipment is provided with the ablation needle fixing device, the ablation needle thermal field detection experimental equipment also has the advantages.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An ablation needle fixture comprising: the ablation device comprises a box body, a plug, a pressing piece and a jack, wherein the plug is fixed on the outer side wall of the box body, and the jack penetrates through the plug and the box body so that an ablation needle can penetrate into the box body;
The pressing piece is movably sleeved on the outer side wall of the plug, and the plug has elasticity; the pressing piece is provided with at least two extrusion parts which are spaced and opposite, and the extrusion parts are used for extruding two opposite sides of the plug so that the ablation needle is locked by the plug;
the outer wall of the plug comprises a conical part, the cross section of the conical part is circular, and the diameter of the cross section of the conical part gradually increases along the direction from the plug to the box body;
the plug is fixed in the groove, a locking structure is correspondingly arranged on the inner wall of the groove and the outer wall of the pressing piece and used for preventing the pressing piece from moving along the extending direction of the jack and the plug.
2. The ablation needle fixture of claim 1, wherein the inner wall of the compression member is circular in cross-section and gradually increases in diameter along the plug toward the cartridge body, the inner wall of the compression member forming the extrusion.
3. The needle holder of claim 1, wherein the locking structure comprises internal threads disposed on an inner wall of the recess and external threads disposed on an outer wall of the compression member.
4. The ablation needle fixing device according to claim 1, wherein an annular protrusion protruding toward the position where the plug is located is provided on an inner wall of the groove, an annular recess for being engaged with the annular protrusion is provided on an outer wall of the pressing member, and the plug is pinched by the pressing member when the annular recess is engaged with the annular protrusion.
5. The ablation needle securement device of claim 4, wherein said compression member comprises an inner sleeve and an outer sleeve, said annular recess being located on said outer sleeve, said inner sleeve being sleeved with said plug; the inner sleeve is positioned in the outer sleeve, one end, far away from the box body, of the inner sleeve is connected with the outer sleeve, and a gap is reserved between the inner sleeve and the outer sleeve.
6. The ablation needle fixing device according to claim 1, wherein an outer stepped structure is arranged on an outer wall of one end of the plug away from the box body, and an inner stepped structure for being clamped with the outer stepped structure is arranged on an inner wall of the pressing piece, so that the pressing piece is prevented from being separated from the plug.
7. The ablation needle fixing device of claim 1, comprising a support rod fixed within the case, a heat shrink sleeve sleeved on the support rod for clamping the temperature sensing element between the support rod and the heat shrink sleeve when contracted.
8. An ablation needle thermal field detection experimental device, comprising an ablation needle, a plurality of temperature-sensitive elements and the ablation needle fixing device according to any one of claims 1-7.
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| 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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| CN112798646A (en) * | 2021-03-22 | 2021-05-14 | 南京臻泰微波科技有限公司 | A microwave ablation test device |
| CN115721403B (en) * | 2021-08-30 | 2025-07-22 | 中山大学肿瘤防治中心(中山大学附属肿瘤医院、中山大学肿瘤研究所) | Thermal ablation probe three-dimensional thermal field modeling method based on infrared thermal image |
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| 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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| KR101075040B1 (en) * | 2006-08-22 | 2011-10-19 | 에프. 호프만-라 로슈 아게 | Diagnostic tape cassette, particularly for blood sugar tests |
| EP2111786A1 (en) * | 2008-04-23 | 2009-10-28 | F. Hoffmann-Roche AG | Test system |
| GB0909525D0 (en) * | 2009-06-03 | 2009-07-15 | Rwr Systems Ltd | Sensor assembly and a method of sensing |
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