CN107638185B - C-arm image system - Google Patents
C-arm image system Download PDFInfo
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- CN107638185B CN107638185B CN201610585802.2A CN201610585802A CN107638185B CN 107638185 B CN107638185 B CN 107638185B CN 201610585802 A CN201610585802 A CN 201610585802A CN 107638185 B CN107638185 B CN 107638185B
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- 238000001514 detection method Methods 0.000 claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 238000003384 imaging method Methods 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000012795 verification Methods 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
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Abstract
The invention discloses a C-arm image system, which comprises an image system frame (8), a detection device arranged on the image system frame (8) and a detection device (3) capable of detecting tension on a transmission belt in the movement process of the image system frame (8) and the detection device, wherein the detection device (3) comprises a pressure sensor for detecting the pressure of the transmission belt, an adjusting motor in signal connection with the pressure sensor and a transmission device connected with the adjusting motor and used for adjusting the pressure of the transmission belt by driving the position of a tension wheel (7) or a transmission shaft (15). The problem that the constant tension transmission cannot be carried out by the C-arm image system is effectively solved.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a C-arm imaging system.
Background
In the radiotherapy process, the focus of a patient is accurately transferred to a standard treatment position under C-arm image treatment equipment, and the C-arm image system is used for guiding and positioning and accurately positioning in the treatment process. In the prior art, the C-arm image system has a complex structure, is not easy to control, does not have an intelligent tensioning device, cannot detect belt tension in the moving process, and cannot perform constant tension transmission; the mechanical braking device cannot brake safely, and the safety is poor.
In summary, how to effectively solve the problem that the C-arm image system cannot perform constant tension transmission is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a C-arm image system, which effectively solves the problems that the C-arm image system cannot perform constant tension transmission and the like.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a C arm image system, includes the image system frame, install in detection device in the image system frame, and in the image system frame with detection device motion in-process can carry out the detection device that detects the tension on the drive belt, detection device includes the detection drive belt pressure's pressure sensor, with pressure sensor signal connection's accommodate motor, and with accommodate motor connects, adjusts through drive take-up pulley or transmission shaft position drive belt pressure's transmission.
Preferably, the main driving motor of the transmission device is connected with the transmission shaft through a coupler, a driving belt wheel is installed on the transmission shaft, one end of the transmission belt is fixed at one end of the image system frame, the other end of the transmission belt is tensioned through the tensioning wheel in sequence, and the transmission belt wheel penetrates through the driving belt wheel to be fixed at the other end of the image system frame.
Preferably, the mechanical braking device is matched with the detection device, and comprises an electric push rod, a connecting rod mechanism connected with the electric push rod, a braking component connected with a first end of the connecting rod mechanism and capable of being contacted with the driving belt, an electromagnetic valve matched with a second end of the connecting rod mechanism, and a restoring device for restoring the braking component.
Preferably, the restoring device is a restoring spring sleeved at the first end of the link mechanism.
Preferably, the second end is disposed at a lower portion of the link mechanism, and the solenoid valve is disposed below the second end.
Preferably, the detection device comprises an EPID detection plate which is arranged at the bottommost end of the image system frame and can perform dose verification and field verification, and X-ray detection plates which are arranged at two sides of the EPID detection plate.
Preferably, a shielding protection plate for packaging the X-ray detection plate is arranged at the end part of the image system frame.
Preferably, a guide rail is mounted on the image system frame, and the X-ray detection plate moves into the shielding protection plate by moving along the guide rail.
Preferably, a ground rail is mounted under the imaging system frame, and the C-arm imaging system can move linearly along the ground rail line.
The invention provides a C-arm image system, which comprises an image system frame, a detection device and a detection device, wherein the image system frame is a C-shaped frame, the detection device is arranged on the image system frame, and the detection device can detect the tension on a transmission belt of the detection device in the movement process of the C-shaped frame or the movement process of the detection device. The detection device comprises a pressure sensor, an adjusting motor and a transmission device, wherein the pressure sensor is used for detecting the pressure on the transmission belt, and the adjusting motor is in signal connection with the pressure sensor. The transmission device is connected with the adjusting motor, and the tension wheel can be driven to adjust the position or the transmission shaft can be driven to change the position through the transmission device, so that the pressure on the transmission belt can be adjusted. When the pressure sensor detects that the pressure change of the transmission belt exceeds a preset range, such as overlarge pressure, namely overlarge tension, the pressure sensor sends a feedback signal and transmits the feedback signal to the adjusting motor, the adjusting motor outputs power to drive the transmission device to act, so that the position of the transmission shaft is finely adjusted to move upwards, or the position of the tension pulley is moved outwards, and the tension on the transmission belt is reduced; otherwise, the position of the transmission shaft is finely adjusted to move downwards or the tensioning wheel is moved inwards, so that the tension on the transmission belt is increased.
The C-arm image system provided by the invention is provided with the detection device, the detection device detects the tension on the transmission belt in the motion process, the pressure on the transmission belt can be adjusted, the constant tension transmission is realized, and the transmission is stable.
The C-arm image system provided by the invention further comprises a mechanical braking device matched with the detection device, and the braking device is formed by the electromagnetic valve-connecting rod and the brake, so that the safety of the C-arm image system can be improved; and the response speed of the electromagnetic valve is extremely high, the thrust of the connecting rod is large, and the response speed and the braking reliability of the braking device can be increased.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a C-arm imaging system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the mechanical brake apparatus in fig. 1.
The figures are marked as follows:
1-shielding protection plate, 2-EPID detection plate, 3-detection device, 4-imaging system base, 5-main driving motor, 6-coupling, 7-tensioning wheel, 8-imaging system frame, 9-X ray detection plate, 10-electric push rod, 11-link mechanism, 12-recovery device, 13-brake component, 14-solenoid valve, 15-transmission shaft, 16-driving pulley.
Detailed Description
The invention provides a C-arm image system, which effectively solves the problems that the C-arm image system cannot perform constant tension transmission and the like.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a C-arm imaging system according to an embodiment of the present invention; fig. 2 is a schematic structural view of the mechanical brake apparatus in fig. 1.
In a specific embodiment, the C-arm image system provided by the invention comprises an image system frame, a detection device and a detection device, wherein the image system frame is a C-shaped frame, the detection device is arranged on the image system frame, and the detection device can detect the tension of a transmission belt of the detection device in the movement process of the C-shaped frame or the movement process of the detection device. The detection device comprises a pressure sensor, an adjusting motor and a transmission device, wherein the pressure sensor is used for detecting the pressure on the transmission belt, and the adjusting motor is in signal connection with the pressure sensor. The transmission device is connected with the adjusting motor, and the tension wheel adjusting position can be driven or the transmission shaft 15 can be driven to change the position through the transmission device, so that the pressure on the transmission belt can be adjusted. When the pressure sensor detects that the pressure change of the transmission belt exceeds a preset range, such as overlarge pressure, namely overlarge tension, the pressure sensor sends a feedback signal and transmits the feedback signal to the adjusting motor, and the adjusting motor outputs power to drive the transmission device to act, so that the position of the transmission shaft 15 is finely adjusted to move upwards, or the position of the tension pulley is moved outwards, and the tension on the transmission belt is reduced; otherwise, the position of the transmission shaft 15 is finely adjusted to move downwards or the tensioning wheel is moved inwards, so that the tension on the transmission belt is increased.
The C-arm image system provided by the invention is provided with the detection device, the detection device detects the tension on the transmission belt in the motion process, the pressure on the transmission belt can be adjusted, the constant tension transmission is realized, and the transmission is stable.
Based on the above specific embodiments, a person skilled in the art may change the C-arm imaging system according to different situations, where the main driving motor 5 of the transmission device is connected to the transmission shaft 15 through the coupling 6, the main driving motor 5 is a power input motor, the transmission shaft 15 is provided with a driving pulley 16, and the driving belt bypasses the driving pulley 16. The outside of the image system frame 8 is provided with a tooth slot, one end of the driving belt is fixed at one end of the image system frame, the other end of the driving belt is sequentially tensioned through the tensioning wheel and passes through the driving belt wheel 16 to be fixed at the other end of the image system frame 8, and power is transmitted to the image system frame 8 from the driving belt wheel 16, so that the C-arm frame 8 is driven to rotate, and the device is simple in structure and easy to adjust.
The above-mentioned C-arm imaging system is only a preferred solution, and specifically, but not limited to, the system can be adjusted according to actual needs, so as to obtain different embodiments, and the system further comprises a mechanical braking device matched with the detection device 3, wherein the mechanical braking device comprises an electric push rod 10, a link mechanism 11, a braking part 13, an electromagnetic valve 14 and a restoring device 12, the link mechanism 11 is connected with the electric push rod 10, the braking part 13 is connected with a first end of the link mechanism 11, and the braking part 13 can be contacted with a driving belt to brake the driving belt. The electromagnetic valve 14 is matched with the second end of the link mechanism 11, the second end touches the electromagnetic valve 14 to attract each other, and the driving belt is controlled to be in a braking state all the time, so that the safety is ensured. After the belt returns to normal, the return device 12 separates the solenoid valve 14 from the second end, and the brake member 13 is reset. The electromagnetic valve-connecting rod and the brake are adopted to form a brake device, so that the safety of the C-arm imaging system can be improved; and the response speed of the electromagnetic valve 14 is extremely high, the thrust of the connecting rod is large, and the response speed and the braking reliability of the braking device can be increased.
Specifically, the flow of the detection device 3 and the mechanical braking device for carrying out the safety braking of the C-arm image system is as follows: the pressure sensor of the detection device 3 detects abnormal pressure of the transmission belt; judging that the belt breakage occurs, such as sudden pressure drop or jamming, such as sudden pressure increase and other emergency faults; the pressure sensor sends a feedback signal, the feedback signal is sent to the controller, and the controller controls the mechanical braking device to realize mechanical braking. The detection device 3 is matched with the mechanical braking device, so that the safety of the C-arm imaging system in the running process is improved.
Based on the above embodiment, a person skilled in the art may change the C-arm imaging system according to different situations, and the return device 12 is a return spring sleeved at the first end of the link mechanism 11, which has a simple structure and is easy to connect, so that the brake component 13 is quickly reset. Of course, the restoring means 12 is a restoring spring, which is a preferred embodiment, not only, but also other suitable means, and it is within the scope of the present invention to provide a restoring means for restoring the braking means 13.
Obviously, under the guidance of the concept, a person skilled in the art can change the specific embodiment according to different specific occasions, the second end is arranged at the lower part of the link mechanism 11, the electromagnetic valve 14 is arranged below the second end, the action of gravity is fully utilized, and the second end reacts with the electromagnetic valve 14 quickly and is easy to realize.
It should be noted that the C-arm imaging system provided by the present invention should not be limited to this case, and the detecting device includes an EPID detecting plate 2 and an X-ray detecting plate 9, where the EPID detecting plate 2 is disposed at the bottom of the imaging system frame 8, so as to perform dose verification and portal verification. The X-ray detection plates 9 are arranged on two sides of the EPID detection plate 2 for X-ray detection, and the EPID detection plate 2 and the X-ray detection plate 9 are integrated, so that the detection is comprehensive and fine, and the detection result is accurate. Other detection plates can be arranged, and the detection plate can be set according to different specific use conditions.
According to the C-arm imaging system provided by the invention, under the condition that other parts are not changed, the end part of the imaging system frame 8 is provided with the shielding protection plate 1 for packaging the X-ray detection plate 9, so that the X-ray detection plate 9 is protected from being irradiated by rays, such as 6MVX rays, and the X-ray detection plate 9 is effectively protected.
For the C-arm imaging system in the above embodiments, the guide rail is mounted on the imaging system frame 8, the X-ray detection plate 9 can move up and down along the guide rail, and the X-ray detection plate 9 moves into the shielding protection plate 1 along the guide rail when not in use, so as to protect the X-ray detection plate 9 from being irradiated by rays, and prolong the service life; meanwhile, the X-ray detection plate 9 enters the shielding protection plate 1 to perform an advanced imaging mode, and the imaging effect is good.
In order to further optimize the technical scheme, the ground rail is arranged below the image system frame 8, the whole C-arm image system can linearly move along the ground rail, the position of the C-arm image system is easy to adjust, the treatment part is aligned to the C-arm image system, and the treatment effect is improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The C-arm imaging system is characterized by comprising an imaging system frame (8), a detection device arranged on the imaging system frame (8), a detection device (3) capable of detecting tension on a transmission belt in the motion process of the imaging system frame (8) and the detection device, wherein the detection device (3) comprises a pressure sensor for detecting the pressure of the transmission belt, an adjusting motor connected with the pressure sensor in a signal manner, a transmission device connected with the adjusting motor and used for adjusting the pressure of the transmission belt by driving a tension pulley (7) or a transmission shaft (15), and a mechanical braking device matched with the detection device (3), and the mechanical braking device comprises an electric push rod (10), a connecting rod mechanism (11) connected with the electric push rod (10), a braking component (13) connected with a first end of the connecting rod mechanism (11) and capable of being contacted with the transmission belt, an electromagnetic valve (14) matched with a second end of the connecting rod mechanism (11), and a restoring device (12) for resetting the braking component (13).
2. The C-arm imaging system according to claim 1, wherein the main driving motor (5) of the transmission device is connected with the transmission shaft (15) through a coupling (6), a driving pulley (16) is installed on the transmission shaft (15), one end of the transmission belt is fixed at one end of the imaging system frame (8), the other end of the transmission belt is sequentially tensioned through the tensioning wheel (7), and the transmission belt passes through the driving pulley (16) to be fixed at the other end of the imaging system frame (8).
3. The C-arm imaging system of claim 1, wherein the return device (12) is a return spring sleeved at the first end of the linkage (11).
4. The C-arm imaging system of claim 1, wherein the second end is disposed below the linkage (11), and the solenoid valve (14) is disposed below the second end.
5. The C-arm imaging system according to any one of claims 1-4, wherein the detection device comprises an EPID detection plate (2) arranged at the bottommost end of the imaging system frame (8) and capable of dose verification and portal verification, and X-ray detection plates (9) arranged at both sides of the EPID detection plate (2).
6. The C-arm imaging system according to claim 5, characterized in that the imaging system frame (8) is provided with shielding shields (1) at the ends for encapsulating the X-ray detection plates (9).
7. The C-arm imaging system according to claim 6, characterized in that the imaging system frame (8) is mounted with guide rails, and the X-ray detection plate (9) is moved into the shielding plate (1) by moving along the guide rails.
8. The C-arm imaging system according to claim 5, characterized in that a ground rail is mounted under the imaging system frame (8), along which the C-arm imaging system is movable linearly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610585802.2A CN107638185B (en) | 2016-07-21 | 2016-07-21 | C-arm image system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610585802.2A CN107638185B (en) | 2016-07-21 | 2016-07-21 | C-arm image system |
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| CN107638185A CN107638185A (en) | 2018-01-30 |
| CN107638185B true CN107638185B (en) | 2024-03-22 |
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| CN201610585802.2A Active CN107638185B (en) | 2016-07-21 | 2016-07-21 | C-arm image system |
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| Publication number | Publication date |
|---|---|
| CN107638185A (en) | 2018-01-30 |
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