CN111067563A - Oral cavity CBCT equipment - Google Patents
Oral cavity CBCT equipment Download PDFInfo
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- CN111067563A CN111067563A CN201911356056.XA CN201911356056A CN111067563A CN 111067563 A CN111067563 A CN 111067563A CN 201911356056 A CN201911356056 A CN 201911356056A CN 111067563 A CN111067563 A CN 111067563A
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- 238000007408 cone-beam computed tomography Methods 0.000 title claims abstract 12
- 210000000214 mouth Anatomy 0.000 title description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 251
- 238000003384 imaging method Methods 0.000 claims abstract description 67
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 156
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 210000001847 jaw Anatomy 0.000 description 27
- 210000002455 dental arch Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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Abstract
The invention discloses oral CBCT equipment, which comprises a base, an upright post lifting mechanism, a jaw support positioning mechanism, a cantilever supporting mechanism, a rotary imaging mechanism and a side imaging mechanism, wherein the jaw support positioning mechanism is arranged on the base; the upright post lifting mechanism is fixed on the base; the jaw support positioning mechanism is fixed on the upright post lifting mechanism; the cantilever supporting mechanism is fixed at the top of the upright post lifting mechanism; the rotary imaging mechanism is rotationally connected with the cantilever supporting mechanism and is positioned above the jaw support positioning mechanism, and the cantilever supporting mechanism drives the rotary imaging mechanism to rotate above the jaw support positioning mechanism so as to carry out panoramic shooting on the teeth of the patient; the side position imaging mechanism is fixed at the side end of the cantilever supporting mechanism; the invention has the advantages that: drive rotatory imaging mechanism through cantilever supporting mechanism and hold in the palm the positioning mechanism top rotation at the jaw, can realize being used for carrying out panorama shooting to patient's tooth, and shoot the in-process patient and need not to follow the removal of radiation source and remove, improved patient's comfort level.
Description
Technical Field
The invention relates to the field of dental X-ray photographic imaging equipment, in particular to oral CBCT equipment.
Background
CBCT (cone beam CT) appeared at the end of the last century, and the latter technology developed rapidly and is now widely used in the field of oral medicine. At present, the market has more and more demands for a large visual field to meet the orthodontic demands. In the current CBCT apparatus, in order to accommodate the realization of a large field of view by stitching of a small field of view, the column and the jaw supporter are simultaneously moved in opposite directions (i.e., up and down directions) at the same speed.
Chinese patent CN109431530A discloses an oral CBCT apparatus, comprising: the jaw support is arranged on the upright column, the rotating part is arranged on the top frame and is opposite to the top frame, the collimator is arranged on the rotating part and is used for adjusting the position of the conical beam in the rotating part, and the telescopic mechanism is used for enabling the rotating part to move in the up-down direction relative to the top frame. The technique has the following defects: panoramic scanning around the mouth of a patient cannot be realized.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the oral CBCT equipment which can realize panoramic scanning around the oral cavity of a patient and improve the comfort of the patient.
The invention solves the technical problems through the following technical means:
an oral CBCT device comprises a base, a stand column lifting mechanism, a jaw support positioning mechanism, a cantilever supporting mechanism, a rotary imaging mechanism and a side imaging mechanism; the upright post lifting mechanism is fixed on the base; the jaw support positioning mechanism is fixed on the upright post lifting mechanism; the cantilever supporting mechanism is fixed at the top of the upright post lifting mechanism; the rotary imaging mechanism is rotationally connected with the cantilever supporting mechanism and is positioned above the jaw support positioning mechanism, and the cantilever supporting mechanism drives the rotary imaging mechanism to rotate above the jaw support positioning mechanism so as to perform panoramic shooting on the teeth of the patient; the lateral imaging mechanism is fixed at the side end of the cantilever supporting mechanism and is used for shooting the lateral side of the lower jaw of the patient; according to the invention, through the arrangement of the cantilever supporting mechanism and the rotary imaging mechanism, after the patient is fixed at a proper position, the rotary imaging mechanism is driven to rotate above the jaw support positioning mechanism through the cantilever supporting mechanism, so that panoramic shooting of the teeth of the patient can be realized, and the patient does not need to move along with the movement of the radiation source in the shooting process, so that the comfort level of the patient is improved.
Preferably, the cantilever support mechanism comprises a cantilever base, a motion base and a rotary motion mechanism; the cantilever base is fixed on the upright post lifting mechanism; the motion base is movably connected to the cantilever base; the rotary motion mechanism is movably connected to the motion base; and the input end of the rotary imaging mechanism is rotationally connected with the output end of the rotary motion mechanism.
Preferably, the motion base is a rectangular frame structure; the rotary motion mechanism comprises a first rotating motor, a first driving belt wheel, a synchronous belt, a first driven belt wheel, a first bearing seat and a first connecting shaft; the first rotating motor is fixed on the cantilever base, the first driving pulley is coaxially connected with an output shaft of the first rotating motor, and the first driven pulley is in friction transmission with the first driving pulley through a synchronous belt; the bottom of the first bearing seat is movably connected with the upper surface of the frame body of the moving base, the first driven belt wheel is connected with the bearing inner ring of the first bearing seat through a first rotating shaft, and the lower end of the first rotating shaft extends to the lower part of the cantilever base and is fixedly connected with the input end of the rotary imaging mechanism.
Preferably, the cantilever support mechanism further comprises an X linear motion assembly and a Y linear motion assembly; the X linear motion assembly is fixed on the cantilever base and close to the front end part of the motion base, and the output end of the X linear motion assembly is fixed with the motion base and used for controlling the motion of the motion base and the rotary motion mechanism in the X-axis direction; the Y linear motion assembly is fixed on the cantilever base and close to the side wall of the motion base, and the output end of the Y linear motion assembly is fixed with the mounting plate of the rotary motion mechanism and used for controlling the rotary motion mechanism to move in a Y-axis square manner; according to the invention, through the arrangement of the X linear motion assembly and the Y linear motion assembly, when a panorama is shot, the X linear motion assembly can be used for realizing the motion of the rotary motion mechanism in the X-axis direction, the Y linear motion assembly can be used for realizing the motion of the rotary motion mechanism in the Y-axis direction, and the track motion of the dental arch of the rotary imaging mechanism can be realized by matching with the rotation action of the rotary motion mechanism.
Preferably, the X linear motion assembly includes a second rotary motor, a first lead screw and a first nut; the second rotating motor is fixed at the front end of the cantilever base, the left end of the first screw rod is fixed with an output shaft of the second rotating motor, the first screw nut is sleeved on the first screw rod and is in threaded fit with the first screw rod in the length direction of the first screw rod, and the first screw nut is fixedly connected with the frame body of the moving base;
the Y linear motion assembly comprises a third rotating motor, a second screw rod and a second screw nut; the third rotating motor is fixed at the front end of the cantilever base, the left end of the second screw rod is fixed with an output shaft of the third rotating motor, the second screw nut is sleeved on the second screw rod and is in threaded fit with the second screw rod in the length direction of the second screw nut, and the second screw nut is fixedly connected with the first bearing seat.
Preferably, a first sliding rail is welded on the cantilever base and at a position corresponding to the motion base, a first sliding block is welded at the bottom of the frame body of the motion base, and the first sliding block is in sliding fit with the first sliding rail in the length direction of the first sliding rail.
Preferably, a second sliding rail is welded to the top of the frame body of the motion base, a second sliding block is welded to the bottom of the first bearing seat, and the second sliding block is in sliding fit with the second sliding rail in the length direction of the second sliding rail.
Preferably, the rotary imaging mechanism comprises a rotary arm base, a sensor moving device, a sensor mechanism, a ray source rotating mechanism and an integrated beam device; the middle part of the rotating arm base is fixedly connected with the output end of the rotating motion mechanism and the lower end of the rotating shaft; the sensor mechanism is movably connected to the left side of the bottom of the rotating arm base through a sensor moving device; the integrated wire harness device is movably connected to the right side of the bottom of the rotary arm base through a ray source rotating mechanism; the integrated beam device emits radiation to irradiate the teeth of the patient, and the sensor mechanism receives a transmission signal of the integrated beam device.
Preferably, the sensor moving device comprises a motor mounting rack, a first servo motor, a second driving pulley, a second driven pulley, a third driven pulley, a second synchronous belt and a sliding sheet; the motor mounting frame is of a hollow frame structure with openings at two sides and is fixed at the left end of the upper surface of the rotating arm base; the first servo motor is fixed at the top of the motor mounting frame, and an output shaft of the first servo motor extends into the motor mounting frame; the second driving belt wheel is fixed inside the motor mounting frame through a bearing; the wheel shaft of the second driving belt wheel is fixed with the output shaft of the first servo motor; the second driven belt wheel and the third driven belt wheel are respectively fixed at two ends of the motor mounting frame through bearings, and the second driven belt wheel and the third driven belt wheel are in friction transmission with the second driving belt wheel through a second synchronous belt; the upper end of the sliding sheet is sleeved on the second synchronous belt and is in sliding fit with the second synchronous belt;
the left end of the upper surface of the rotating arm base is provided with a chute which is communicated up and down, the lower end of the slip sheet is sleeved in the chute and extends to the position below the rotating arm base, the bottom end of the slip sheet is fixed with the top end of the sensor mechanism, and the chute is in sliding fit with the chute in the length direction; the invention utilizes the sensor moving device to drive the sensor mechanism to move back and forth so as to adapt to the CT mode and the panoramic mode.
Preferably, the ray source rotating mechanism comprises a second servo motor, a third screw rod, a third nut, a second bearing seat, a rotating part and a second rotating shaft; the second servo motor is fixed at the right end of the upper surface of the rotating arm base, one end of the third screw rod is fixed with an output shaft of the second servo motor, the third screw nut is sleeved on the third screw rod and is in threaded fit with the third screw rod in the length direction of the third screw rod, and a connecting shaft is fixedly arranged at the top of the third screw nut;
the second bearing seat is fixed in the middle of the right end of the upper surface of the rotating arm base, one end of the rotating piece is fixedly connected with the inner ring of the second bearing seat, the other end of the rotating piece is provided with a waist-shaped hole, and the connecting shaft is sleeved in the waist-shaped hole and is in sliding fit with the waist-shaped hole in the length direction of the connecting shaft; the upper end of the second rotating shaft is coaxially connected with an inner ring inner hole of the second bearing seat, and the lower end of the second rotating shaft is fixed with the top end of the integrated wire harness device; the integrated wire harness device is driven to rotate by the ray source rotating mechanism, the angle of ray shooting can be automatically adjusted, the angle can be adjusted without the need of moving a patient, and the shooting is more accurate compared with the mode that the patient adjusts the shooting angle by himself.
The invention has the advantages that:
1. according to the invention, through the arrangement of the cantilever supporting mechanism and the rotary imaging mechanism, after the patient is fixed at a proper position, the rotary imaging mechanism is driven to rotate above the jaw support positioning mechanism through the cantilever supporting mechanism, so that panoramic shooting of the teeth of the patient can be realized, and the patient does not need to move along with the movement of the radiation source in the shooting process, so that the comfort level of the patient is improved.
2. According to the invention, through the arrangement of the X linear motion assembly and the Y linear motion assembly, when a panorama is shot, the X linear motion assembly can be used for realizing the motion of the rotary motion mechanism in the X-axis direction, the Y linear motion assembly can be used for realizing the motion of the rotary motion mechanism in the Y-axis direction, and the track motion of the dental arch of the rotary imaging mechanism can be realized by matching with the rotation action of the rotary motion mechanism.
3. The invention utilizes the sensor moving device to drive the sensor mechanism to move back and forth so as to adapt to the CT mode and the panoramic mode.
4. The integrated wire harness device is driven to rotate by the ray source rotating mechanism, the angle of ray shooting can be automatically adjusted, the angle can be adjusted without the need of moving a patient, and the shooting is more accurate compared with the mode that the patient adjusts the shooting angle by himself.
Drawings
FIG. 1 is a schematic structural diagram of an oral CBCT apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded structure of an oral CBCT apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cantilever support mechanism according to an embodiment of the present invention;
FIG. 4 is an exploded view of the cantilever support mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a rotational motion mechanism according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic structural diagram of A according to an embodiment of the present invention;
FIG. 7 is an enlarged structural diagram of B in the embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a rotational imaging mechanism according to an embodiment of the present invention;
FIG. 9 is an exploded view of a rotary imaging mechanism according to an embodiment of the present invention;
FIG. 10 is an enlarged structural view of embodiment C of the present invention;
fig. 11 is an enlarged schematic structural diagram of embodiment D of the present invention.
The reference numbers illustrate:
the device comprises a base 1, a column lifting mechanism 2, a jaw support positioning mechanism 3, a cantilever support mechanism 4, a cantilever base 41, a first slide rail 411, a motion base 42, a first slide block 421, a second slide rail 422, a rotary motion mechanism 43, a first rotary motor 431, a first driving pulley 432, a synchronous belt 433, a first driven pulley 434, a first bearing seat 435, a second slide block 4351, a first connecting shaft 436, an X linear motion assembly 44, a second rotary motor 441, a first screw 442, a first screw 443, a Y linear motion assembly 45, a third rotary motor 451, a second screw 452, a second screw 453, a rotary imaging mechanism 5, a rotary arm base 51, a slide groove 511, a sensor moving device 52, a motor mounting rack 521, a first servo motor 522, a second driving pulley 523, a second driven pulley 524, a third driven pulley 525, a second synchronous belt 526, a slide 527, a sensor mechanism 53, a first slide block 411, a second slide block 422, the radiation source rotating mechanism 54, the second servo motor 541, the third screw 542, the third nut 543, the second bearing seat 544, the rotating member 545, the second rotating shaft 546, the integrated beam device 55, and the side imaging mechanism 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1 and fig. 2, the present embodiment discloses an oral CBCT apparatus, specifically taking the orientation of fig. 1 as a reference, including a base 1, a column lifting mechanism 2, a jaw support positioning mechanism 3, a cantilever support mechanism 4, a rotary imaging mechanism 5 and a lateral imaging mechanism 6; the bottom of the upright post lifting mechanism 2 is fixed on the base 1; the rear end of the jaw support positioning mechanism 3 is fixed in the middle of the upright post lifting mechanism 2; the bottom of the rear end of the cantilever support mechanism 4 is fixed at the top of the upright post lifting mechanism 2; the middle part of the top end of the rotary imaging mechanism 5 is rotationally connected with the bottom of the front end of the cantilever supporting mechanism 4, the rotary imaging mechanism 5 is positioned above the jaw support positioning mechanism 3, and the cantilever supporting mechanism 4 drives the rotary imaging mechanism 5 to rotate above the jaw support positioning mechanism 3 so as to carry out panoramic shooting on the teeth of a patient; the right end of the side imaging mechanism 6 is fixed on the left side of the rear end of the cantilever supporting mechanism 4.
When the invention is used, firstly, the cantilever supporting mechanism 4 is started, the output shaft of the cantilever supporting mechanism 4 drives the rotary imaging mechanism 5 to rotate above the jaw support positioning mechanism 3, and the rotary imaging mechanism 5 rotates for a circle to realize the arch-shaped track motion of the teeth of the rotary imaging mechanism 5, thereby realizing the panoramic shooting of the teeth of a patient.
As shown in fig. 3 and 4, the cantilever support mechanism 4 includes a cantilever base 41, a moving base 42, and a rotational movement mechanism 43; the rear end of the bottom of the cantilever base 41 is welded and fixed with the top of the upright post lifting mechanism 2; the moving base 42 is movably connected to the cantilever base 41; the rotary motion mechanism 43 is movably connected to the motion base 42.
As shown in fig. 5 and 6, the rotary imaging mechanism 5 includes a rotary arm base 51, a sensor moving device 52, a sensor mechanism 53, a radiation source rotating mechanism 54, and a beam integrating device 55; the middle part of the rotating arm base 51 and the output end of the rotating motion mechanism 43 are fixedly connected with the lower end of the rotating shaft 436; the sensor mechanism 53 is movably connected to the left side of the bottom of the rotating arm base 51 through a sensor moving device 52; the integrated beam device 55 is movably connected to the right side of the bottom of the rotating arm base 51 through a ray source rotating mechanism 54.
The cantilever support mechanism 4 further comprises an X linear motion assembly 44 and a Y linear motion assembly 45; the X linear motion assembly 44 is mounted on the cantilever base by a bolt and is close to the front end of the motion base 42, and the output end of the X linear motion assembly 44 is fixed with the motion base 42 by a bolt for controlling the movement of the motion base 42 and the rotary motion mechanism 43 in the X axis direction; the Y linear motion assembly 45 is installed on the cantilever base 41 through a bolt and is close to the side wall of the motion base 42, and the output end of the Y linear motion assembly 45 is fixed with the installation plate of the rotary motion mechanism 43 through a bolt so as to control the rotary motion mechanism 43 to move in a Y-axis square shape; the input end of the rotary imaging mechanism 5 is rotationally connected with the output end of the rotary motion mechanism 43.
When the invention is used, the rotary motion mechanism 43 can be started firstly, the output shaft of the rotary motion mechanism 43 drives the rotary imaging mechanism 5 to rotate above the jaw support positioning mechanism 3, and the rotary imaging mechanism 5 rotates for a circle; the X linear motion assembly 44 and the Y linear motion assembly 45 are started simultaneously, an output shaft of the X linear motion assembly 44 drives the motion base 42 and the rotary motion mechanism 43 to move in the X-axis direction, the Y linear motion assembly 45 drives the rotary motion mechanism 43 to move in the Y-axis direction, therefore, the X linear motion assembly 42 and the Y linear motion assembly 43 are matched with the rotary motion mechanism 43 to perform rotary motion, the track motion of the dental arch of the rotary imaging mechanism 5 can be realized, the integrated wiring harness device 55 is started while the rotary imaging mechanism 5 rotates, rays rotate for a circle along the lower jaw of a patient, and signals are transmitted to the sensor mechanism 53, so that the panoramic shooting of the teeth of the patient can be completed.
As shown in fig. 4 and 5, the motion base 42 has a rectangular parallelepiped frame structure; the rotary motion mechanism 43 includes a first rotary motor 431, a first driving pulley 432, a first timing belt 433, a first driven pulley 434, a first bearing housing 435, and a first connecting shaft 436; the first rotating motor 431 is installed on the cantilever base 41 through a bolt, the first driving pulley 432 is coaxially connected with an output shaft of the first rotating motor 431, and the first driven pulley 434 is in friction transmission with the first driving pulley 432 through a first synchronous belt 433; the bottom of the first bearing seat 435 is movably connected to the upper surface of the frame of the moving base 42, the first driven pulley 434 is connected to the inner ring of the first bearing seat 435 via a first rotating shaft 436, and the lower end of the first rotating shaft 436 extends to the lower side of the cantilever base 41 and is fixedly connected to the input end of the rotary imaging mechanism 5.
According to the invention, by starting the first rotating motor 431, the output shaft of the first rotating motor 431 drives the first driving belt wheel 432 to rotate, and then the first driven belt wheel 434 is driven to rotate through the friction transmission of the first synchronous belt 433, so that the first connecting shaft 436 is driven to rotate, and then the rotary imaging mechanism 5 is driven to rotate above the jaw support positioning mechanism 3, and the rotary imaging mechanism 5 rotates for one circle; the X linear motion assembly 44 and the Y linear motion assembly 45 are started simultaneously, an output shaft of the X linear motion assembly 44 drives the motion base 42 and the rotary motion mechanism 43 to move in the X-axis direction, the Y linear motion assembly 45 drives the rotary motion mechanism 43 to move in the Y-axis direction, therefore, the X linear motion assembly 42 and the Y linear motion assembly 43 are matched with the rotary motion mechanism 43 to perform rotary motion, the dental arch track motion of the rotary imaging mechanism 5 can be realized, the integrated wiring harness device 55 is started while the rotary imaging mechanism 5 rotates, rays rotate for a circle along the lower jaw of a patient, and signals are transmitted to the sensor mechanism 53, so that the panoramic photography of the teeth of the patient can be completed.
As shown in fig. 4, 6 and 7, since the X linear motion block 44 and the Y linear motion block 45 of the present invention have the same structure, the present invention will be described with reference to the structure of the X linear motion block 44, and the structure of the Y linear motion block 45 will be described with reference to the structure of the X linear motion block 44. The X-linear motion assembly 44 includes a second rotation motor 441, a first lead screw 442, and a first lead screw 443; the Y linear motion assembly 45 includes a third rotary motor 451, a second lead screw 452, and a second nut 453; the second rotating motor 441 is mounted at the front end of the cantilever base 41 through a bolt, the left end of the first lead screw 442 is welded with the output shaft of the second rotating motor 441, the first screw 443 is sleeved on the first lead screw 442 and is in threaded fit with the first lead screw 442 in the length direction, and the first screw 443 is connected with the frame body of the moving base 42 through a bolt; similarly, the second nut 453 is fixed to the first bearing housing 435 by a bolt.
By starting the first rotating motor 431, the output shaft of the first rotating motor 431 drives the first driving pulley 432 to rotate, and further drives the first driven pulley 434 to rotate through the friction transmission of the first synchronous belt 433, and drives the first connecting shaft 436 to rotate, and further drives the rotary imaging mechanism 5 to rotate above the jaw support positioning mechanism 3, and the rotary imaging mechanism 5 rotates for one circle; the second rotating motor 441 and the third rotating motor 451 are simultaneously started, the output shaft of the second rotating motor 441 drives the first screw rod 442 to rotate, the first screw 443 in threaded fit with the first screw rod is driven to move left and right, the moving base 42 and the rotary moving mechanism 43 are driven to move in the X-axis direction, similarly, the second screw 453 drives the rotary moving mechanism 43 to move in the Y-axis direction, therefore, the X-linear moving assembly 44 and the Y-linear moving assembly 45 are matched with the rotary moving mechanism 43 to perform rotary motion, the track motion of the dental arch of the rotary imaging mechanism 5 can be realized, the integrated wiring harness device 55 is started while the rotary imaging mechanism 5 rotates, the rays rotate for one circle along the lower jaw of the patient, and signals are transmitted to the sensor mechanism 53, so that the panoramic photography of the teeth of the patient can be completed.
As shown in fig. 8, 9 and 10, the sensor moving device 52 includes a motor mount 521, a first servo motor 522, a second driving pulley 523, a second driven pulley 524, a third driven pulley 525, a second timing belt 526, and a slide 527; the motor mounting rack 521 is a hollow frame structure with openings at two sides, and the motor mounting rack 521 is welded at the left end of the upper surface of the rotating arm base 51; the first servo motor 522 is mounted on the top of the motor mounting bracket 521 through a bolt, and an output shaft of the first servo motor 522 extends into the motor mounting bracket 521; the second driving pulley 523 is fixed inside the motor mounting bracket 521 through a bearing; the wheel shaft of the second driving pulley 523 is welded with the output shaft of the first servo motor 522; the second driven pulley 524 and the third driven pulley 525 are respectively fixed at two ends of the motor mounting frame 521 through bearings, and the second driven pulley 524 and the third driven pulley 525 are in friction transmission with the second driving pulley 523 through a second synchronous belt 526; the upper end of the sliding sheet 527 is sleeved on the second synchronous belt 526 and is in sliding fit with the second synchronous belt 526; the left end of the upper surface of the rotating arm base 51 is provided with a chute 511 which is through up and down, the lower end of the sliding sheet 527 is sleeved in the chute 511 and extends to the lower part of the rotating arm base 51, the bottom end of the sliding sheet 527 is fixed with the top end of the sensor mechanism 53 through a bolt, and the chute 511 are in sliding fit in the length direction of the chute.
According to the invention, by starting the first servo motor 522, the output shaft of the first servo motor 522 drives the second driving pulley 523 to rotate, and further drives the second driven pulley 524 and the third driven pulley 525 to rotate through the second synchronous belt 526, so as to drive the sliding sheet 527 sleeved on the second synchronous belt 526 to move back and forth, and further drive the sensor mechanism 53 to move back and forth, so as to adapt to a panoramic mode; then, the first rotating motor 431 is started, an output shaft of the first rotating motor 431 drives the first driving pulley 432 to rotate, and further drives the first driven pulley 434 to rotate through friction transmission of the first synchronous belt 433, so as to drive the first connecting shaft 436 to rotate, and further drive the whole rotary imaging mechanism 5 to rotate above the jaw support positioning mechanism 3, and the whole rotary imaging mechanism 5 rotates for one circle; the second rotating motor 441 and the third rotating motor 451 are simultaneously started, the output shaft of the second rotating motor 441 drives the first screw rod 442 to rotate, the first screw 443 in threaded fit with the first screw rod is driven to move left and right, the moving base 42 and the rotary moving mechanism 43 are driven to move in the X-axis direction, similarly, the second screw 453 drives the rotary moving mechanism 43 to move in the Y-axis direction, therefore, the X-linear moving assembly 44 and the Y-linear moving assembly 45 are matched with the rotary moving mechanism 43 to perform rotary motion, the track motion of the dental arch of the rotary imaging mechanism 5 can be realized, the integrated wiring harness device 55 is started while the rotary imaging mechanism 5 rotates, the rays rotate for one circle along the lower jaw of the patient, and signals are transmitted to the sensor mechanism 53, so that the panoramic photography of the teeth of the patient can be completed.
As shown in fig. 8, 9 and 11, the present embodiment is different from the above-described embodiments in that: the radiation source rotating mechanism 54 includes a second servo motor 541, a third lead screw 542, a third nut 543, a second bearing seat 544, a rotating member 545 and a second rotating shaft 546; the second servo motor 541 is installed at the right end of the upper surface of the rotating arm base 51 through a bolt, one end of the third screw rod 542 is welded and fixed with an output shaft of the second servo motor 541, the third screw nut 543 is sleeved on the third screw rod 542 and is in threaded fit with the third screw rod 542 in the length direction, and a connecting shaft is welded at the top of the third screw nut 543; the second bearing pedestal 544 is mounted in the middle of the right end of the upper surface of the rotating arm base 51 through a bolt, one end of the rotating member 545 is fixed with the inner ring of the second bearing pedestal 544 through a bolt, the other end of the rotating member 545 is provided with a kidney-shaped hole, and the connecting shaft is sleeved in the kidney-shaped hole and is in sliding fit with the kidney-shaped hole in the length direction of the connecting shaft; the upper end of the second rotating shaft 546 is coaxially connected to the inner bore of the inner ring of the second bearing seat 544, and the lower end of the second rotating shaft 546 is welded and fixed to the top end of the integrated harness device 55.
The working principle of the embodiment is as follows: when the oral CBCT device is used, the first servo motor 522 can be started firstly, the output shaft of the first servo motor 522 drives the second driving belt wheel 523 to rotate, and further drives the second driven belt wheel 524 and the third driven belt wheel 525 to rotate through the second synchronous belt 526, so as to drive the sliding sheet 527 sleeved on the second synchronous belt 526 to move back and forth, and further drive the sensor mechanism 53 to move back and forth, so as to adapt to a panoramic mode; then, the first rotating motor 431 is started, an output shaft of the first rotating motor 431 drives the first driving pulley 432 to rotate, and further drives the first driven pulley 434 to rotate through friction transmission of the first synchronous belt 433, so as to drive the first connecting shaft 436 to rotate, and further drive the whole rotary imaging mechanism 5 to rotate above the jaw support positioning mechanism 3, and the whole rotary imaging mechanism 5 rotates for one circle; simultaneously starting the second rotating motor 441 and the third rotating motor 451, the output shaft of the second rotating motor 441 drives the first screw rod 442 to rotate, and drives the first screw 443 in threaded fit with the first screw rod to move left and right, so as to drive the moving base 42 and the rotary motion mechanism 43 to move in the X-axis direction, and similarly, the second screw 453 drives the rotary motion mechanism 43 to move in the Y-axis direction, so that the X linear motion assembly 44 and the Y linear motion assembly 45 are matched with the rotary motion mechanism 43 to perform rotary motion, and the track motion of the dental arch of the rotary imaging mechanism 5 can be realized; finally, the second servo motor 541 is started again, the output shaft of the second servo motor 541 drives the third screw rod 542 to rotate, the third screw nut 543 in threaded fit with the third screw rod is driven to move in the length direction of the third screw rod 542, the connecting shaft is driven to move, the upper end of the connecting shaft slides in the waist-shaped hole and can drive the other end of the rotating piece 545 to rotate, and then the second rotating shaft 546 which is coaxially connected with the rotating section of the rotating piece 545 is driven to rotate, so that the integrated wire harness device 55 is driven to rotate, the angle of ray shooting can be automatically adjusted, the angle of the ray shooting is not required to be adjusted by a patient, and compared with the condition that the shooting angle is adjusted by the patient.
Compared with the prior art, the invention has the following advantages: firstly, through the arrangement of the cantilever supporting mechanism 4 and the rotary imaging mechanism 5, after the patient is fixed at a proper position, the rotary imaging mechanism 5 is driven by the cantilever supporting mechanism 4 to rotate above the jaw support positioning mechanism 3, so that the teeth of the patient can be shot in a panoramic way, and the patient does not need to move along with the movement of the ray source in the shooting process, so that the comfort level of the patient is improved. Secondly, through the arrangement of the X linear motion assembly 42 and the Y linear motion assembly 43, when the panorama is shot, the X linear motion assembly 42 can be used for realizing the motion of the rotary motion mechanism 43 in the X-axis direction, the Y linear motion assembly 43 is used for realizing the motion of the rotary motion mechanism 43 in the Y-axis direction, and the track motion of the dental arch of the rotary imaging mechanism 5 can be realized by matching the rotation action of the rotary motion mechanism 43.
Example two
As shown in fig. 4 and 5, the present embodiment is different from the above embodiments in that: a first sliding rail 411 is welded on the cantilever base 41 and at a position corresponding to the moving base 42, a first sliding block 421 is welded at the bottom of a frame body of the moving base 42, and the first sliding block 421 is in sliding fit with the first sliding rail 411 in the length direction; the top of the frame body of the moving base 42 is welded with a second sliding rail 422, the bottom of the first bearing seat 435 is welded with a second sliding block 4351, and the second sliding block 4351 is in sliding fit with the second sliding rail 422 in the length direction.
EXAMPLE III
The present embodiment differs from the above embodiments in that: the upright post lifting mechanism 2 comprises a base post, a sliding post, a screw rod lifting assembly and a drag chain mechanism; the bottom of the foundation column is fixed with the middle part of the upper surface of the base through a bolt; the sliding column is sleeved on the inner side of the base column and is connected with the inner side of the base column in a sliding mode in the length direction of the inner side of the base column; the screw rod lifting assembly is fixed between the sliding column and the base column and used for driving the sliding column to slide up and down on the inner side of the base column; the drag chain mechanism is arranged at the lower end of the front side of the sliding column through a bolt; the laser device is installed at the upper end of the front side of the sliding column through a bolt.
The jaw support positioning mechanism 3 comprises a bracket, a longitudinal adjusting device and a jaw support positioning device; the rear end of the bracket is fixed in the middle of the front side of the sliding column through a bolt; the jaw support positioning device is fixed at the front end of the bracket through a longitudinal adjusting device, and the longitudinal adjusting device is used for adjusting the height of the jaw support positioning device.
The jaw support positioning device also comprises a fixed base, a jaw support assembly, a positioning laser assembly, an adjusting mechanism, a cusp position laser and a potentiometer; the fixed base is hollow, a groove is formed in the middle of the upper surface of the fixed base, and the groove divides the upper surface of the fixed base into a first area and a second area; the jaw support assembly is arranged on a first area on the upper surface of the fixed base through a bolt; the positioning laser assembly is arranged on a second area on the upper surface of the fixed base through a bolt and is used for irradiating a patient to obtain the position of the front side of the tooth of the patient; the adjusting mechanism is arranged on the side surface of the fixed base through a bolt; the cusp laser and the potentiometer are fixed at the output end of the adjusting mechanism, the cusp laser is used for irradiating the lower jaw of the patient to obtain a cusp position signal of the patient and transmitting the signal to the potentiometer, and the potentiometer is used for feeding back the cusp laser position; the adjusting mechanism is used for adjusting the position of the cusp laser.
The integrated wire harness device 55 comprises a ray source device, a mounting frame, a filtering mechanism and a window adjusting mechanism; the ray source device comprises a shell and a ray source module integrated in the shell; a ray outlet is formed in the front side surface of the shell; the mounting rack is mounted on the front side surface of the shell through bolts, a panel of the mounting rack comprises a first area and a second area, and a ray through hole corresponding to the ray outlet is formed in the middle of the first area; the filtering mechanism is arranged on the first area of the mounting frame through a bolt; the window adjusting mechanism is installed on the second area of the installation frame through bolts, the output end of the window adjusting mechanism corresponds to the position of the ray through hole, and the window adjusting mechanism is used for adjusting the quantity of the light beam emitted from the ray through hole.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An oral CBCT apparatus, characterized in that: the device comprises a base, an upright post lifting mechanism, a jaw support positioning mechanism, a cantilever supporting mechanism, a rotary imaging mechanism and a side imaging mechanism; the upright post lifting mechanism is fixed on the base; the jaw support positioning mechanism is fixed on the upright post lifting mechanism; the cantilever supporting mechanism is fixed at the top of the upright post lifting mechanism; the rotary imaging mechanism is rotationally connected with the cantilever supporting mechanism and is positioned above the jaw support positioning mechanism, and the cantilever supporting mechanism drives the rotary imaging mechanism to rotate above the jaw support positioning mechanism so as to perform panoramic shooting on the teeth of the patient; the side imaging mechanism is fixed at the side end of the cantilever supporting mechanism and used for shooting the side face of the lower jaw of the patient.
2. The oral CBCT apparatus of claim 1, wherein: the cantilever support mechanism comprises a cantilever base, a moving base and a rotary moving mechanism; the cantilever base is fixed on the upright post lifting mechanism; the motion base is movably connected to the cantilever base; the rotary motion mechanism is movably connected to the motion base; and the input end of the rotary imaging mechanism is rotationally connected with the output end of the rotary motion mechanism.
3. The oral CBCT apparatus of claim 1, wherein: the motion base is of a cuboid frame structure; the rotary motion mechanism comprises a first rotating motor, a first driving belt wheel, a synchronous belt, a first driven belt wheel, a first bearing seat and a first connecting shaft; the first rotating motor is fixed on the cantilever base, the first driving pulley is coaxially connected with an output shaft of the first rotating motor, and the first driven pulley is in friction transmission with the first driving pulley through a synchronous belt; the bottom of the first bearing seat is movably connected with the upper surface of the frame body of the moving base, the first driven belt wheel is connected with the bearing inner ring of the first bearing seat through a first rotating shaft, and the lower end of the first rotating shaft extends to the lower part of the cantilever base and is fixedly connected with the input end of the rotary imaging mechanism.
4. The clutch connection structure of an oral CBCT apparatus of claim 2, wherein: the cantilever support mechanism further comprises an X linear motion assembly and a Y linear motion assembly; the X linear motion assembly is fixed on the cantilever base and close to the front end part of the motion base, and the output end of the X linear motion assembly is fixed with the motion base and used for controlling the motion of the motion base and the rotary motion mechanism in the X-axis direction; the Y linear motion assembly is fixed on the cantilever base and close to the side wall of the motion base, and the output end of the Y linear motion assembly is fixed with the mounting plate of the rotary motion mechanism and used for controlling the rotary motion mechanism to move in a Y-axis square mode.
5. The oral CBCT apparatus clutch connection structure as recited in claim 4, wherein: the X linear motion assembly comprises a second rotating motor, a first screw rod and a first screw nut; the second rotating motor is fixed at the front end of the cantilever base, the left end of the first screw rod is fixed with an output shaft of the second rotating motor, the first screw nut is sleeved on the first screw rod and is in threaded fit with the first screw rod in the length direction of the first screw rod, and the first screw nut is fixedly connected with the frame body of the moving base;
the Y linear motion assembly comprises a third rotating motor, a second screw rod and a second screw nut; the third rotating motor is fixed at the front end of the cantilever base, the left end of the second screw rod is fixed with an output shaft of the third rotating motor, the second screw nut is sleeved on the second screw rod and is in threaded fit with the second screw rod in the length direction of the second screw nut, and the second screw nut is fixedly connected with the first bearing seat.
6. The oral CBCT apparatus clutch connection structure of claim 5, wherein: the cantilever base is welded with a first sliding rail at a position corresponding to the moving base, and the bottom of the frame body of the moving base is welded with a first sliding block which is in sliding fit with the first sliding rail in the length direction.
7. The oral CBCT apparatus clutch connection structure of claim 5, wherein: the welding of motion base's framework top has the second slide rail, welding has the second slider first bearing frame bottom, the second slider with second slide rail sliding fit on its length direction.
8. The clutch connection structure of an oral CBCT apparatus of claim 3, wherein: the rotary imaging mechanism comprises a rotary arm base, a sensor moving device, a sensor mechanism, a ray source rotating mechanism and an integrated wire harness device; the middle part of the rotating arm base is fixedly connected with the output end of the rotating motion mechanism and the lower end of the rotating shaft; the sensor mechanism is movably connected to the left side of the bottom of the rotating arm base through a sensor moving device; the integrated wire harness device is movably connected to the right side of the bottom of the rotary arm base through a ray source rotating mechanism; the integrated beam device emits radiation to irradiate the teeth of the patient, and the sensor mechanism receives a transmission signal of the integrated beam device.
9. The oral CBCT apparatus clutch connection structure of claim 8, wherein: the sensor moving device comprises a motor mounting rack, a first servo motor, a second driving belt wheel, a second driven belt wheel, a third driven belt wheel, a second synchronous belt and a sliding sheet; the motor mounting frame is of a hollow frame structure with openings at two sides and is fixed at the left end of the upper surface of the rotating arm base; the first servo motor is fixed at the top of the motor mounting frame, and an output shaft of the first servo motor extends into the motor mounting frame; the second driving belt wheel is fixed inside the motor mounting frame through a bearing; the wheel shaft of the second driving belt wheel is fixed with the output shaft of the first servo motor; the second driven belt wheel and the third driven belt wheel are respectively fixed at two ends of the motor mounting frame through bearings, and the second driven belt wheel and the third driven belt wheel are in friction transmission with the second driving belt wheel through a second synchronous belt; the upper end of the sliding sheet is sleeved on the second synchronous belt and is in sliding fit with the second synchronous belt;
the spout that link up from top to bottom is seted up to the upper surface left end of swinging boom base, the sliding vane lower extreme cover establish in the spout and extend to with swinging boom base below, just the sliding vane bottom with the sensor mechanism top is through fixed, the spout with sliding fit is gone up at its length direction to the spout.
10. The oral CBCT apparatus clutch connection structure of claim 8, wherein: the ray source rotating mechanism comprises a second servo motor, a third screw rod, a third nut, a second bearing seat, a rotating part and a second rotating shaft; the second servo motor is fixed at the right end of the upper surface of the rotating arm base, one end of the third screw rod is fixed with an output shaft of the second servo motor, the third screw nut is sleeved on the third screw rod and is in threaded fit with the third screw rod in the length direction of the third screw rod, and a connecting shaft is fixedly arranged at the top of the third screw nut;
the second bearing seat is fixed in the middle of the right end of the upper surface of the rotating arm base, one end of the rotating piece is fixedly connected with the inner ring of the second bearing seat, the other end of the rotating piece is provided with a waist-shaped hole, and the connecting shaft is sleeved in the waist-shaped hole and is in sliding fit with the waist-shaped hole in the length direction of the connecting shaft; the upper end of the second rotating shaft is coaxially connected with an inner ring inner hole of the second bearing seat, and the lower end of the second rotating shaft is fixed to the top end of the integrated wire harness device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356056.XA CN111067563A (en) | 2019-12-25 | 2019-12-25 | Oral cavity CBCT equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356056.XA CN111067563A (en) | 2019-12-25 | 2019-12-25 | Oral cavity CBCT equipment |
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| CN111067563A true CN111067563A (en) | 2020-04-28 |
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| CN201911356056.XA Pending CN111067563A (en) | 2019-12-25 | 2019-12-25 | Oral cavity CBCT equipment |
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Cited By (1)
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| CN113855060A (en) * | 2021-11-04 | 2021-12-31 | 深圳市深图医学影像设备有限公司 | Dual-energy X-ray bone densitometer and working method thereof |
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Effective date of registration: 20231030 Address after: No. 668 Wangjiang West Road, hi tech Zone, Anhui, Hefei Applicant after: HEFEI MEIYA OPTOELECTRONIC TECHNOLOGY Inc. Address before: 236000 No.98 Tangkou Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant before: Hefei dengtefei Medical Equipment Co.,Ltd. |