CN222481455U - Tissue model angle measurement tool - Google Patents
Tissue model angle measurement tool Download PDFInfo
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- CN222481455U CN222481455U CN202420795587.9U CN202420795587U CN222481455U CN 222481455 U CN222481455 U CN 222481455U CN 202420795587 U CN202420795587 U CN 202420795587U CN 222481455 U CN222481455 U CN 222481455U
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- angle measurement
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- 238000013334 tissue model Methods 0.000 title claims abstract description 75
- 238000005259 measurement Methods 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 6
- 238000002059 diagnostic imaging Methods 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 239000002872 contrast media Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011477 surgical intervention Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013152 interventional procedure Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of medical imaging and DSA clinical, and discloses a tissue model angle measurement tool which comprises a support, a first rotary table, a mounting frame and a second rotary table, wherein the first rotary table is connected to the support through a first rotary shaft in a rotary mode, the first rotary table is provided with a first angle sensor coaxial with the first rotary shaft, the mounting frame is connected to the support through a second rotary shaft in a rotary mode, the second rotary shaft is perpendicular to the first rotary shaft, the mounting frame is connected with a second angle sensor coaxial with the second rotary shaft, the mounting frame is further provided with the second rotary table in a rotary mode, the tissue model is detachably connected to the second rotary table, and the second rotary table is connected with the first rotary table through a transmission piece in a transmission mode, so that the second rotary table is driven to synchronously rotate when the first rotary table rotates, and the rotary axes of the first rotary shaft and the second rotary table and the second rotary shaft intersect at preset points. By making a spatial angle measurement of the required pose of the tissue model, the obtained value of the required projection angle in the DSA is more accurate.
Description
Technical Field
The utility model relates to the technical fields of medical imaging and DSA clinical, in particular to a tissue model angle measurement tool.
Background
Conventional interventional procedures acquire data of corresponding tissue and organs such as angles, diameters, sizes and optimal projection angles after related examinations are performed before the operation so as to make a preoperative plan and guide the operation of treatment during the operation. The data is mainly measured by single or multiple layers of imaging (CT and MRI), or is measured after being processed by special computer software, but because blood vessels are often irregular, the surfaces are often irregular curved surfaces, multiple layers are involved, the data volume is large, and the like, the data are more difficult to measure, so that the accuracy of the obtained result is often lacking by adopting a small number of imaging layers, and the measurement after being processed by the special software is often required to be matched with high-cost computer special software, and an imaging doctor or a computer engineer, so that the requirement on computer operation is high, the study period of a clinician is long, and the operation threshold is high. Aiming at the problems, in the prior art, a 3D printing technology is utilized to print a data model into a solid model, and relevant data such as diameter, size, volume, angle, position and the like are obtained through observation, measurement and the like of the solid model, so as to assist in making an operation scheme, planning details in operation and the like. Then, by applying the spatial angle change of the solid tissue model when changing from one spatial posture to another spatial posture, the spatial angle change quantity is obtained and converted into the projection angle under DSA for guiding the operation, and the anatomical morphology of the interested region can be optimally displayed in the interventional operation. However, in the existing device, the angle change in at least two directions is measured by a single inclination sensor, so that certain measurement errors exist, and the design of a preoperative plan and the guidance accuracy of an operation in the operation are affected.
Therefore, there is a need for a tissue model angle measurement tool to solve the above problems.
Disclosure of utility model
Based on the above, the utility model aims to provide an angle measurement tool for a tissue model, which has higher angle measurement precision, so that the projection angle required by DSA can be measured more accurately.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a tissue model angle measurement frock, includes support, first revolving stage and mounting bracket, first revolving stage pass through first pivot rotate connect in the support, be equipped with on the first revolving stage with first angle sensor coaxial with first pivot, the mounting bracket pass through the second pivot rotate connect in the support, the second pivot with first pivot is perpendicular, be connected with on the mounting bracket with the second angle sensor of the coaxial setting of second pivot, still rotate on the mounting bracket and be provided with the second revolving stage, the tissue model can dismantle connect in the second revolving stage, the second revolving stage with first revolving stage can synchronous rotation, first pivot the axis of rotation of second revolving stage and second pivot intersect in the default.
As an optimal scheme of the tissue model angle measurement tool, the second turntable is in transmission connection with the first turntable through a transmission piece, the transmission piece comprises a flexible shaft, one end of the rotation shaft is connected with the first turntable, and the other end of the rotation shaft is connected with the second turntable.
As an optimal scheme of the tissue model angle measurement tool, the second rotating shaft comprises a damping rotating shaft, and the mounting frame is rotatably connected with the support through the damping rotating shaft.
As a preferable scheme of the tissue model angle measurement tool, the tissue model angle measurement tool further comprises:
The first driving piece is in driving connection with the first rotating shaft so as to drive the first rotating table to rotate.
As a preferable scheme of the tissue model angle measurement tool, the tissue model angle measurement tool further comprises:
The second driving piece is in driving connection with the second rotating shaft so as to drive the mounting frame to rotate.
As a preferred scheme of tissue model angle measurement frock, the support includes support and support body, the support body sets up on the support, first revolving stage passes through first pivot rotate connect in on the support body, support body with first pivot is symmetrical structure as the symmetry axis, the mounting bracket passes through the second pivot rotate connect in support body, the mounting bracket with the rotation axis of second revolving stage is symmetrical structure as the symmetry axis.
As an optimal scheme of the tissue model angle measurement tool, two second rotating shafts are arranged, the two second rotating shafts are located on the same straight line, and two ends of the mounting frame are respectively connected with the supporting frame body in a rotating mode through one second rotating shaft.
As an optimal scheme of the structure model angle measurement tool, the second turntable is provided with a mounting groove, and the support legs of the structure model are detachably connected with the mounting groove in an inserting mode.
As a preferable scheme of the tissue model angle measurement tool, the second turntable is provided with a positioning piece, and the positioning piece is used for fixing the support legs of the tissue model.
As a preferable scheme of the tissue model angle measurement tool, the tissue model angle measurement tool further comprises:
The mounting plate, the second angle sensor sets up on the mounting plate, the one end of mounting plate extends there are two relative interval setting's linking arm, two the linking arm respectively with the relative both sides of mounting bracket are connected.
The beneficial effects of the utility model are as follows:
The utility model provides a tissue model angle measurement tool which comprises a bracket, a first rotary table and a mounting frame, wherein the tissue model is detachably connected to a second rotary table, so that angle measurement can be carried out on different tissue models, the viewing angle of the tissue model is adjusted by rotating the mounting frame and the first rotary table, and the rotation angles in two directions are respectively measured by a first angle sensor and a second angle sensor, so that accurate viewing angle data are obtained, the projection angle under DSA and preoperative planning can be accurately quantified, the number of times of intraoperative radiography can be reduced, the use of contrast agents can be reduced, the exposure time under intervention can be shortened, radiation damage in the operation can be reduced, and the operation safety can be improved. Simultaneously, set up on first revolving stage through first angle sensor, first revolving stage drives the second revolving stage and rotates for first angle sensor is when the second revolving stage is rotatory around the second rotation axis, also can measure second revolving stage around its self axis pivoted turned angle, and measurement accuracy is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic structural diagram of a tissue model angle measurement tool provided by an embodiment of the utility model;
Fig. 2 is a schematic diagram of a part of a structure of a tissue model angle measurement tool (not shown in the bracket and the tissue model) according to an embodiment of the present utility model;
Fig. 3 is a schematic diagram of a part of a structure of a tissue model angle measurement tool according to an embodiment of the present utility model (a first turntable and a second turntable are not shown).
In the figure:
1. The device comprises a bracket, 11, a support, 12, a support frame body, 2, a first rotary table, 3, a first angle sensor, 4, a mounting rack, 5, a second rotary shaft, 6, a second angle sensor, 7, a second rotary table, 70, a mounting groove, 8, a mounting plate, 9 and a tissue model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 to 3, the embodiment provides a tissue model angle measurement tool, which comprises a bracket 1, a first rotary table 2 and a mounting frame 4, wherein the first rotary table 2 is rotatably connected to the bracket 1 through a first rotary shaft, the extending direction of the first rotary shaft is the Z-axis direction shown in fig. 1, a first angle sensor 3 coaxial with the first rotary shaft is arranged on the first rotary table 2, the mounting frame 4 is rotatably connected to the bracket 1 through a second rotary shaft 5, the extending direction of the second rotary shaft 5 is the X-axis direction shown in fig. 1, the second rotary shaft 5 is perpendicular to the first rotary shaft, a second angle sensor 6 coaxially arranged with the second rotary shaft 5 is connected to the mounting frame 4, a second rotary table 7 is rotatably arranged on the mounting frame 4, a tissue model 9 is detachably connected to the second rotary table 7, the tissue model 9 is formed by 3D printing, the tissue model 9 is a blood vessel model, for example, the second rotary table 7 and the first rotary shaft, the rotation axis of the second rotary table 7 and the second rotary shaft 5 intersect at a preset point. The point that the rotation axis of first pivot, second revolving stage 7 and second pivot 5 intersect is the origin of the coordinate system that shows in fig. 1, through dismantling tissue model 9 and connect on second revolving stage 7, can carry out initial angle measurement to different tissue models 9, and through rotating mounting bracket 4 and rotating first revolving stage 2, adjust the observation angle of tissue model 9, and through first angle sensor 3 and second angle sensor 6 measuring the rotation angle in two directions respectively, can obtain the rotation angle of tissue model 9 around the Z axle and around the rotation angle of X axle, obtain the accurate observation angle data of different required postures, be convenient for quantify intervention operation projection angle and preoperative planning, can reduce the number of times of contrasting in the art, reduce the use of contrast medium, shorten exposure time under the intervention, reduce the radiation damage in the art, improve the operation security. Meanwhile, the first angle sensor 3 is arranged on the first rotary table 2, the first rotary table 2 drives the second rotary table 7 to rotate, so that the first angle sensor 3 can also measure the rotation angle of the second rotary table 7 around the axis of the second rotary table 7 after the second rotary table 7 rotates around the second rotary shaft, and the measurement accuracy is higher.
In this embodiment, the tool for measuring the angle of the tissue model further comprises a display screen, the first angle sensor 3 and the second angle sensor 6 are in communication connection with the display screen, and numerical values of the first angle sensor 3 and the second angle sensor 6 are displayed on the display screen, so that direct reading and recording are facilitated. The display screen can be connected with the first angle sensor 3 and/or the second angle sensor 6 through wires or can be connected with the first angle sensor and/or the second angle sensor in a wireless way.
Preferably, the second turntable 7 is in transmission connection with the first turntable 2 through a transmission member, so that the first turntable 2 rotates to drive the second turntable 7 to synchronously rotate. The transmission member comprises, for example, a flexible shaft (not shown in the figures), one end of which is connected to the first turntable 2 and the other end of which is connected to the second turntable 7. The arrangement of the flexible shaft enables the rotation of the first turntable 2 to drive the second turntable 7 to synchronously rotate, and meanwhile the rotation of the mounting frame 4 around the X-axis direction is not affected. The flexible shaft has lighter texture and better transmission effect, so that the synchronous rotation degree of the first rotary table 2 and the second rotary table 7 is higher, the angle of the rotary shaft is changed, the transmission is accurate, the service life is longer, and the wear resistance is good. Of course, in other embodiments, the synchronous rotation of the second turntable 7 and the first turntable 2 may be achieved in other manners, for example, the second turntable 7 and the first turntable 2 are driven to rotate simultaneously by electric control, and the rotation angles are consistent.
Specifically, the support 1 includes support 11 and support body 12, and support body 12 sets up on support 11, and first revolving stage 2 rotates through first pivot to be connected on support body 12, and support body 12 uses first pivot to be the symmetry structure as the symmetry axis, and mounting bracket 4 rotates through second pivot 5 to be connected in support body 12, and mounting bracket 4 uses the rotation axis of second revolving stage 7 to be the symmetry structure as the symmetry axis. The support 11 is for supporting on a table top or a worktop, the support 11 is optionally but not limited to a tripod support 11, and the support frame 12 provides a supporting mounting for the first turntable 2 and the mounting frame 4. The support frame body 12 and the mounting frame 4 which are in symmetrical structures enable the stress of the tissue model angle measurement tool to be uniform, so that the tissue model 9 is stable and accurate in rotation, and the angle measurement accuracy and the use reliability of the tissue model angle measurement tool are improved.
Illustratively, the support frame 12 is U-shaped, the mounting frame 4 is also U-shaped, the mounting frame 4 is located in the support frame 12 and is parallel to the support frame 12, the first turntable 2 is rotatably connected to the center of the support frame 12 through the first rotating shaft, the second turntable 7 is rotatably connected to the center of the mounting frame 4, that is, at a certain position, the second turntable 7 is located right above the first turntable 2 in the Z-axis direction, the second turntable 7 is driven to rotate through the first turntable 2, the first angle sensor 3 measures the rotation angle of the first turntable 2, and can represent the rotation angle of the second turntable 7 around the rotation axis of the first turntable 2 and the second turntable 7, the rotation synchronism of the first turntable 2 and the second turntable 7 is good, and the angle measurement accuracy is high. Of course, in other embodiments, the support body 12 and the mounting bracket 4 may take other shapes, such as a V-shape or other shape for the support body 12 and the mounting bracket 4.
Preferably, the first turntable 2 and the second turntable 7 are both cylindrical, although in other embodiments, the shapes of the first turntable 2 and the second turntable 7 may be other, for example, the first turntable 2 and the second turntable 7 are both rectangular, etc.
In this embodiment, two second rotating shafts 5 are provided, the two second rotating shafts 5 are located on the same straight line, and two ends of the mounting frame 4 are respectively connected with the supporting frame body 12 in a rotating manner through one second rotating shaft 5. The mounting stability and the rotational reliability of the mounting bracket 4 are ensured.
Preferably, the second rotation shaft 5 comprises a damping rotation shaft, through which the mounting frame 4 is rotatably connected with the bracket 1. After the installation frame 4 is rotated, the installation frame 4 can be stabilized at a preset position due to the characteristic of the damping rotating shaft, the installation frame 4 is not required to be fixed by adopting an additional fixing structure, and the operation convenience is improved.
In this embodiment, the second angle sensor 6 is connected on the mounting bracket 4 through mounting panel 8, and the one end of mounting panel 8 extends and is provided with the linking arm that relative interval set up, and two linking arms are connected with the relative both sides of mounting bracket 4 respectively for the connection stability of mounting panel 8 and mounting bracket 4 is better, and drives mounting panel 8 synchronous rotation along with it when mounting bracket 4 rotates, and second angle sensor 6 is located the extending direction of second pivot 5, promptly with second pivot 5 coaxial, measurement accuracy is higher. Specifically, the supporting frame body 12 is located between the two connecting arms, that is, the second angle sensor 6 is located outside the U-shaped supporting frame body 12, so as to avoid interference with the tissue model 9.
More specifically, the second turntable 7 is provided with a mounting groove 70, and the legs of the tissue model 9 are detachably inserted into the mounting groove 70. When the surgical intervention angle measurement is required to be carried out on the tissue model 9, the support legs of the tissue model 9 are inserted into the mounting grooves 70 on the second turntable 7, so that the method is simple and convenient, the disassembly and assembly are convenient, and the disassembly and assembly time is saved.
Preferably, the second turntable 7 is provided with a plurality of mounting grooves 70, the plurality of mounting grooves 70 are staggered, and the support legs of the tissue model 9 are matched with the plurality of mounting grooves 70. The plurality of mounting grooves 70 are inserted into the supporting legs, so that the mounting stability of the tissue model 9 is improved. Illustratively, the second turntable 7 is provided with two mounting grooves 70 in vertical communication, the legs of the tissue phantom 9 being "cross". Of course, in other embodiments, the number and arrangement of the mounting slots 70 may be other, particularly according to actual needs.
In another embodiment, the second turntable 7 is provided with positioning members for fixing the legs of the tissue model 9, for example elastic clamping pieces, which can press the legs of the tissue model 9 against the second turntable 7. Of course, in other embodiments, the positioning member may be other structures, such as an electric clamping plate or a bolt, as long as the tissue model 9 can be fixed on the second turntable 7.
Further, the tissue model angle measurement tool further comprises a first driving piece, and the first driving piece is in driving connection with the first rotating shaft so as to drive the first rotating table 2 to rotate. Automatic rotation is achieved, manual rotation is not needed, and the rotation angle of the first rotary table 2 is accurate and controllable.
Furthermore, the tissue model angle measurement tool further comprises a second driving piece, and the second driving piece is in driving connection with the second rotating shaft 5 so as to drive the mounting frame 4 to rotate. Automatic rotation is achieved, manual rotation is not needed, and the rotation angle of the mounting frame 4 is accurate and controllable.
Wherein the first and second drive members are optionally but not limited to drive motors.
The following is the working process of the tissue model angle measurement tool:
mounting the printed tissue model 9 on the second turntable 7;
Erecting a shooting screen right in front of the tissue model angle measurement tool, so as to avoid errors generated by naked eye observation when adjusting the angle of the tissue model 9;
Rotating the first rotating table 2 and the rotating mounting frame 4, adjusting the angle of the tissue model 9, and observing the tissue model 9 from a shooting screen so that the posture of the tissue model 9 is in the optimal surgical intervention posture;
readings of the first angle sensor 3 and the second angle sensor 6 are recorded.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420795587.9U CN222481455U (en) | 2024-04-17 | 2024-04-17 | Tissue model angle measurement tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420795587.9U CN222481455U (en) | 2024-04-17 | 2024-04-17 | Tissue model angle measurement tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222481455U true CN222481455U (en) | 2025-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420795587.9U Active CN222481455U (en) | 2024-04-17 | 2024-04-17 | Tissue model angle measurement tool |
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| CN (1) | CN222481455U (en) |
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- 2024-04-17 CN CN202420795587.9U patent/CN222481455U/en active Active
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