CN218097716U - 3D prints organizational model space angle measuring device - Google Patents
3D prints organizational model space angle measuring device Download PDFInfo
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- CN218097716U CN218097716U CN202222233739.XU CN202222233739U CN218097716U CN 218097716 U CN218097716 U CN 218097716U CN 202222233739 U CN202222233739 U CN 202222233739U CN 218097716 U CN218097716 U CN 218097716U
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Abstract
The application provides a 3D prints organizational model space angle measuring device, including exhibition board frame and support frame device, the exhibition board frame is used for fixed 3D to print organizational model, exhibition board frame one side is equipped with revolute joint group, revolute joint group one end rotates with support frame device to be connected, the joint axis of revolute joint group and support frame device's axis of rotation are arranged perpendicularly, revolute joint group other end is connected with the exhibition board frame, still be equipped with inclination sensor, inclination sensor and exhibition board frame are connected, it is not convenient for confirm the operation and intervenes the angle to have solved the virtual model of image science, and turn into after the solid model, the angle change is difficult to the problem of audio-visual measurement.
Description
Technical Field
The utility model belongs to the technical field of medical imaging and DSA clinical field and specifically relates to a 3D prints tissue model space angle measuring device is related to.
Background
In conventional and interventional operations, after related examination before operation, data such as angle, diameter, size data and the like of corresponding tissues and organs and data such as an optimal projection angle are obtained so as to make a preoperative plan and guide operation and treatment in the operation.
At present, the mode of obtaining morphological data such as the angle, length and other numerical values of a blood vessel is mainly measured by single or a plurality of layers of imaging (CT and MRI) or is measured after being processed by professional computer software, but the blood vessel is often irregular, the surface is mostly irregular curved surface, the multiple layers are involved, the data amount is large and the like, so that the data are difficult to measure, and the accuracy of the obtained result is often deficient by adopting a small number of imaging layers; the measurement after the application of professional software processing usually needs expensive computer professional software and the cooperation of imaging physicians or computer engineers, and has high requirements on computer operation, long learning period of clinicians, high operation threshold, and extremely expensive computer software, which is mostly monopolized abroad. Therefore, there is a need for an intuitive, simple, and relatively inexpensive method and associated apparatus for obtaining relevant data required clinically, observing a blood vessel model, and correlating the observed blood vessel model with an imaging coordinate system through measurements of a 3D-printed organ/tissue model.
In order to avoid the above problems, clinicians often select a more intuitive manner to determine the position of the interventional operation, that is, print a data model into a solid model by using a 3D printing technology, and then obtain relevant data such as information of diameter, size, volume, angle, position, etc. through observation, measurement, etc. of the solid model, assist in making a surgical plan, planning intraoperative details, etc., then record the variation of the solid model when the spatial angle changes, and feed the recorded spatial angle value back to the C-arm machine, so as to optimize a manner of displaying preoperative evaluation of an area of interest under the surgical environment such as DSA, etc., preferably projecting an angle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a 3D prints organizational model space angle measuring device, it is not convenient for to confirm that the operation intervenes the angle to have solved the imagery virtual model, and turns into solid model after, the angle changes the problem that is difficult to directly perceived measurement.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a 3D prints organizational model space angle measuring device, includes exhibition board frame and support frame device, and the exhibition board frame is used for fixed 3D to print organizational model, and exhibition board frame one side is equipped with revolute joint group, and revolute joint group one end rotates with the support frame device to be connected, and the joint axis of revolute joint group and the axis of rotation of support frame device are arranged perpendicularly, and the revolute joint group other end is connected with the exhibition board frame, still is equipped with inclination sensor, and inclination sensor is connected with the exhibition board frame.
In the preferred scheme, but panel frame one side still is equipped with universal pivoted model mount, and the model mount is the perforated plate, is L type or installs one and stir the handle, and during the beginning, the model mount is located the meso position, and main mounting plane is perpendicular with panel frame plane.
In the preferred scheme, a spherical hinge structure or an orthogonal vertical double-rotation-shaft structure is arranged on the model fixing frame and the display board frame.
In a preferred scheme, the inclination angle sensor is a three-axis inclination angle sensor, and can monitor the rotation angle values of X, Y, Z in three directions.
In the preferred scheme, the panel frame includes perforated plate and after-fixing board, is equipped with a plurality of support columns between after-fixing board and the perforated plate, and inclination sensor establishes at the after-fixing board center.
In the preferred scheme, the rotating joint group comprises a pitching rotating head and a horizontal rotating sleeve, the pitching rotating head is hinged with the horizontal rotating sleeve, the support frame device comprises a foot rest, the foot rest is provided with a plurality of supporting legs, the foot rest is provided with an adjusting rod capable of sliding up and down, and the upper end of the adjusting rod is rotatably sleeved with the horizontal rotating sleeve.
In the preferred scheme, the adjusting rod is provided with a sliding groove, the foot rest is provided with a second locking knob, a second ejector block is arranged at the end part of the second locking knob and clamped in the sliding groove, and the end part of the second ejector block abuts against the sliding groove.
In a preferable scheme, the horizontal rotating sleeve is provided with a first locking knob, the first locking knob Niu Duanbu is provided with a first ejector block, and one end of the first ejector block abuts against the side wall of the adjusting rod.
In the preferred scheme, the support frame device comprises a base and a vertical rod, a slidable vertical sliding arm is sleeved on the vertical rod, a rotatable rotating sleeve is arranged at one end of the vertical sliding arm, a horizontal sliding frame is further arranged, the horizontal sliding frame is connected with the rotating sleeve in a sliding mode, and the end portion of the horizontal sliding frame is connected with a rotating joint group in a rotating mode.
In the preferred scheme, the upper end of the vertical rod is provided with a spring balancer, and the spring balancer is used for pulling the vertical slide arm.
The rotational damping at each hinge or rotation axis can be adjusted manually.
The beneficial effects of the utility model are that: the display board frame can rotate universally, so that the angle of the model can be conveniently adjusted; the tilt angle sensor can record the real-time angle of the model and quantify the surgical intervention angle; the observation and confirmation of the key operation position can be visually carried out, and the preoperative planning is convenient; the appearance of the region of interest is simulated, and the change information of the model space angle is obtained through different angle forms to determine the optimal angle, so that preoperative planning is facilitated, especially DSA and other operations are performed, the contrast times in the operation can be reduced, the use of contrast agents is reduced, the exposure time under intervention is shortened, the radiation damage in the operation is reduced, and the operation safety is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a related structure diagram of the foot stool of the present invention.
Fig. 4 is a partial enlarged view of the present invention.
Fig. 5 is a structural view of another embodiment of the present invention.
Fig. 6 is a schematic view of the horizontal carriage end of the present invention.
Fig. 7 is an enlarged view of the turning block of the present invention.
Fig. 8 is an optimized implementation diagram of the display board rack of the present invention.
Fig. 9 is a flow chart of the present invention.
In the figure: a base 1; a vertical rod 2; a vertical slide arm 201; a horizontal carriage 202; a spring balancer 203; a rotating sleeve 204; a first block 205; a second rotation block 206; a through-mandrel 207; a limiting shaft 208; a jackscrew 209; a display board frame 3; a support column 301; a rear fixing plate 302; a tilt sensor 303; a pitch horn 304; a horizontal swivel 305; a foot rest 306; a ground leg 307; an adjustment rod 308; a bushing 309; a first locking knob 310; a second locking knob 311; a first top block 312; a second top block 313; a chute 314; a set of revolute joints 315; a model holder 4; a spherical hinge structure 401; the handle 402 is toggled.
Detailed Description
Example 1:
as shown in fig. 1-4, a 3D prints organizational model space angle measuring device, including exhibition grillage 3 and support frame device, exhibition grillage 3 is used for fixed 3D to print organizational model, 3 one side of exhibition grillage is equipped with revolute joint group 315, revolute joint group 315 one end is rotated with the support frame device and is connected, revolute joint group's 315 joint axle and revolute joint group 315 and support frame device's axis of rotation are arranged perpendicularly, revolute joint group 315 other end is connected with exhibition grillage 3, still be equipped with tilt sensor 303, tilt sensor 303 is connected with exhibition grillage 3.
The display board frame 3 is arranged at an initial angle, and the printed tissue model is fixed on a panel of the display board frame 3 through a rolled tape, a double-sided adhesive tape or a self-tapping screw; the angle of the display plate frame 3 is adjusted to enable the tissue model to be a required angle, a proper windowing angle is found, and the value of the inclination angle sensor 303 at the moment is recorded so as to correspond the coordinate system of the model data shot by the CT or MRI at the earlier stage to the position adjustment data of the C-arm machine at the later stage.
The inclination angle sensor is a standard component, the three-axis inclination angle sensor can monitor the rotation angles around three axes of a Cartesian coordinate system X, Y, Z in real time, and the selection of the two-axis or three-axis inclination angle sensor is determined according to the number of the rotation axes of the display plate frame 3.
In a preferred scheme, the display board rack 3 comprises a porous board and a rear fixing board 302, a plurality of supporting columns 301 are arranged between the rear fixing board 302 and the porous board, and a tilt sensor 303 is arranged at the center of the rear fixing board 302.
The perforated plate is convenient for the ligature to fix or the screw fixation organizes the model, and the perforated plate has been erect to support column 301 for there is certain manually operation space between with after-fixing board 302, conveniently twists the screw or ligature.
In a preferred scheme, the rotating joint group 315 comprises a pitching rotating head 304 and a horizontal rotating sleeve 305, the pitching rotating head 304 is hinged to the horizontal rotating sleeve 305, the support frame device comprises a foot stand 306, the foot stand 306 is provided with a plurality of support legs, the lower ends of the support legs are provided with feet 307 with adjustable heights, the foot stand 306 is provided with an adjusting rod 308 capable of sliding up and down, and a bushing 309 made of ceramic or copper is arranged in the horizontal rotating sleeve 305.
The pitching rotating head 304 is provided with a thin neck portion, which is elevated above the rear fixing plate 302 to prevent the rear fixing plate 302 from colliding with the horizontal rotating sleeve 305 when rotating.
In a preferred scheme, the adjusting rod 308 is provided with a sliding groove 314, the foot rest 306 is provided with a second locking knob 311, the end part of the second locking knob 311 is provided with a second top block 313, the second top block 313 is clamped in the sliding groove 314, and the end part of the second top block 313 abuts against the sliding groove 314.
In a preferred scheme, the horizontal rotating sleeve 305 is provided with a first locking knob 310, a first top block 312 is arranged at the end part of the first locking knob 310, and one end of the first top block 312 abuts against the side wall of the adjusting rod 308.
The device is mainly a post-processing device and is used for angle measurement, and the complete flow is shown in figure 9.
Example 2:
as shown in fig. 5-7, a 3D prints organizational model space angle measuring device, including display panel frame 3 and support frame device, display panel frame 3 is used for fixed 3D to print organizational model, 3 one side of display panel frame is equipped with revolute joint group 315, revolute joint group 315 one end is rotated with the support frame device and is connected, revolute joint group 315's axis of rotation and revolute joint group 315 arrange with the axis of rotation of support frame device axis perpendicularly, revolute joint group 315 other end is connected with display panel frame 3, still be equipped with tilt sensor 303, tilt sensor 303 is connected with display panel frame 3.
In the preferred scheme, the supporting frame device comprises a base 1 and an upright rod 2, a slidable vertical sliding arm 201 is sleeved on the upright rod 2, a rotatable rotating sleeve 204 is arranged at one end of the vertical sliding arm 201, a horizontal sliding frame 202 is further arranged, the horizontal sliding frame 202 is connected with the rotating sleeve 204 in a sliding manner, and the end part of the horizontal sliding frame 202 is connected with a rotating joint group 315 in a rotating manner.
The rotating joint set 315 comprises a first rotating block 205 and a second rotating block 206, the first rotating block 205 is hinged with the second rotating block 206, one end of the first rotating block 205 is hinged with the rear fixing plate 302, the end of the horizontal sliding frame 202 is provided with a through spindle 207, and the second rotating block 206 is rotatably connected with the horizontal sliding frame 202.
The end of the penetrating shaft 207 is provided with a limit shaft 208, the limit shaft 208 is pinned on the penetrating shaft 207, the end head of the horizontal sliding frame 202 is provided with a jackscrew 209, and the jackscrew 209 props against the penetrating shaft 207.
In the preferred scheme, the upper end of the upright rod 2 is provided with a spring balancer 203, the spring balancer 203 is used for pulling the vertical slide arm 201, and the weight of the balance mechanism realizes that the display board frame 3 can hover at any position in the height direction.
Example 3:
as shown in fig. 8, a 3D prints organizational model space angle measuring device, including display panel frame 3 and support frame device, display panel frame 3 is used for fixed 3D to print organizational model, 3 one sides of display panel frame are equipped with revolute joint group 315, revolute joint group 315 one end is rotated with the support frame device and is connected, revolute joint group 315's axis of rotation and revolute joint group 315 arrange with the axis of rotation of support frame device axis perpendicularly, the revolute joint group 315 other end is connected with display panel frame 3, still be equipped with tilt sensor 303, tilt sensor 303 is connected with display panel frame 3.
In order to unify and correspond the coordinate system, when shooting CT or MRI in the early period, the lying angle of the human body is corresponding to the geodetic coordinate system, the specific method is to align the X-Y-Z coordinate system tube in a Cartesian coordinate system shape to the geodetic coordinate system, shoot together with the human body, and then 3D print the coordinate system and the tissue model into the solid model.
A spherical hinge structure 401 is installed on one side of the display board frame 3 and provided with a locking screw, the fixed end is connected with the display board frame 3, a model fixing frame 4 is arranged at the spherical hinge end, the model fixing frame 4 can be a porous plate, the model fixing frame 4 is L-shaped or a single plane, a toggle handle 402 is installed at one end of the model fixing frame 4, the model fixing frame 4 can be rotated conveniently, and the model fixing frame 4 is used for installing a blood vessel model.
Installing a bubble level meter on a support frame device, printing a blood vessel into a model through 3D printing, fixing the model with a model fixing frame 4 through a rolling belt or a positioning clamping jaw, enabling the bubble level meter to display the level through the height of a ground pin 307, electrifying an inclination angle sensor 303, enabling the Z-axis reading of the inclination angle sensor 303 to return to zero, adjusting the posture of a rotary joint group 315 to enable the X, Y axis reading of the inclination angle sensor 303 to return to zero, and locking the rotary joint group 315; because the blood vessel model is printed together with the coordinate system, the laser level for building is utilized to emit orthogonal indicating lines, the coordinate system on the blood vessel model is aligned, the spherical hinge structure 401 is adjusted, the Z axis of the blood vessel model points to the gravity center, the X, Y axis is parallel to the two indicating lines in the horizontal direction, at the moment, the spherical hinge structure 401 is locked, and at the moment, the blood vessel model is aligned with the real position of the blood vessel tissue in the human body when being shot by CT or MRI; loosening and adjusting the rotary joint group 315, and adjusting the angle of the display plate frame 3 to enable the blood vessel model to reach a required angle, wherein the three axes of the display plate frame 3 are already zero, and the rotating angle of the display plate frame 3 is the angle to be recorded; after the human body lies, the recorded angle is fed back to the C-arm machine, the C-arm machine adjusts the swing angle, and the key area is observed.
Because the relative angle between the model fixing frame 4 and the display board frame 3 is adjustable, the degree of the later tilt angle sensor 303 can return to zero, the recorded value is the adjustment value of the C-arm machine, and the coordinate system transformation calculation is not needed.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides a 3D prints organizational model space angle measuring device which characterized by: including exhibition grillage (3) and support frame device, exhibition grillage (3) are used for fixed 3D to print the tissue model, exhibition grillage (3) one side is equipped with revolute joint group (315), revolute joint group (315) one end is rotated with the support frame device and is connected, the joint axis of revolute joint group (315) and revolute joint group (315) are arranged perpendicularly with the axis of rotation axis of support frame device, revolute joint group (315) other end is connected with exhibition grillage (3), still be equipped with inclination sensor (303), inclination sensor (303) are connected with exhibition grillage (3).
2. The 3D printed tissue model spatial angle measuring device of claim 1, wherein: one side of the display board frame (3) is also provided with a model fixing frame (4) which can rotate universally.
3. The 3D printed tissue model spatial angle measuring device of claim 2, wherein: the model fixing frame (4) and the display board frame (3) are provided with a spherical hinge structure (401).
4. The 3D printed tissue model spatial angle measuring device of claim 2, wherein: the tilt sensor (303) is a triaxial tilt sensor.
5. The 3D printed tissue model spatial angle measuring device of claim 1, wherein: the display board frame (3) comprises a porous plate and a rear fixing plate (302), a plurality of supporting columns (301) are arranged between the rear fixing plate (302) and the porous plate, and the tilt angle sensor (303) is arranged at the center of the rear fixing plate (302).
6. The 3D printed tissue model spatial angle measuring device of claim 5, wherein: the rotary joint group (315) comprises a pitching rotary head (304) and a horizontal rotary sleeve (305), the pitching rotary head (304) is hinged to the horizontal rotary sleeve (305), the support frame device comprises a foot rest (306), the foot rest (306) is provided with a plurality of support legs, the foot rest (306) is provided with an adjusting rod (308) capable of sliding up and down, and the upper end of the adjusting rod (308) is rotatably sleeved with the horizontal rotary sleeve (305).
7. The 3D printed tissue model spatial angle measuring device of claim 6, wherein: the adjusting rod (308) is provided with a sliding groove (314), the foot stand (306) is provided with a second locking knob (311), a second ejector block (313) is arranged at the end part of the second locking knob (311), the second ejector block (313) is clamped in the sliding groove (314), and the end part of the second ejector block (313) abuts against the sliding groove (314).
8. The 3D printed tissue model spatial angle measuring device of claim 6, wherein: the horizontal rotating sleeve (305) is provided with a first locking knob (310), the end part of the first locking knob (310) is provided with a first ejector block (312), and one end of the first ejector block (312) abuts against the side wall of the adjusting rod (308).
9. The 3D printed tissue model spatial angle measuring device of claim 1, wherein: the supporting frame device comprises a base (1) and an upright rod (2), a slidable vertical slide arm (201) is sleeved on the upright rod (2), a rotatable rotating sleeve (204) is arranged at one end of the vertical slide arm (201), a horizontal sliding frame (202) is further arranged, the horizontal sliding frame (202) is connected with the rotating sleeve (204) in a sliding mode, and the end of the horizontal sliding frame (202) is connected with a rotating joint group (315) in a rotating mode.
10. The 3D printed tissue model spatial angle measuring device of claim 9, wherein: the upper end of the upright rod (2) is provided with a spring balancer (203), and the spring balancer (203) is used for pulling the vertical slide arm (201).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222233739.XU CN218097716U (en) | 2022-08-24 | 2022-08-24 | 3D prints organizational model space angle measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222233739.XU CN218097716U (en) | 2022-08-24 | 2022-08-24 | 3D prints organizational model space angle measuring device |
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| CN218097716U true CN218097716U (en) | 2022-12-20 |
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| CN202222233739.XU Active CN218097716U (en) | 2022-08-24 | 2022-08-24 | 3D prints organizational model space angle measuring device |
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- 2022-08-24 CN CN202222233739.XU patent/CN218097716U/en active Active
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