CN216091908U - Emergent dose real-time monitoring device in radiotherapy - Google Patents
Emergent dose real-time monitoring device in radiotherapy Download PDFInfo
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- CN216091908U CN216091908U CN202120021689.1U CN202120021689U CN216091908U CN 216091908 U CN216091908 U CN 216091908U CN 202120021689 U CN202120021689 U CN 202120021689U CN 216091908 U CN216091908 U CN 216091908U
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Abstract
The utility model discloses a real-time monitoring device for emergent dose in radiotherapy, which comprises a horizontal base, a T-shaped vertical frame, a rotating arm, a two-dimensional plane detector and an adapter, wherein the horizontal base is provided with a plurality of vertical holes; the T-shaped stand is fixed on the horizontal base, a first end of the rotating arm is fixed on the T-shaped stand, a second end of the rotating arm is assembled with the adapter, and the two-dimensional plane detector is fixed on the adapter; according to the utility model, by arranging the rotating arm and the two-dimensional plane detector, the detection plane can be close to the body surface of the patient to the maximum extent by rotating the rotating arm, so that the distance between the body surface of the patient and the detection plane is reduced, and further, the dosage error caused by the distance between the body surface of the patient and the detection plane can be reduced; the utility model has simple structure, convenient installation and disassembly and simple operation.
Description
Technical Field
The utility model relates to the technical field of tumor radiotherapy emergent dose monitoring, in particular to a real-time emergent dose monitoring device in radiotherapy.
Background
In the existing tumor radiotherapy process, a radiotherapy plan is transplanted into a phantom for plan verification before treatment, which only directly reflects the expected dose distribution (D) of the radiotherapy plan in the phantomQA) Dose distribution measured in phantom (D)Test) Does not reflect the expected dose (D) of the patientTPS) And the actual dose (D) during the treatmentRT) Thus, numerous studies have shown that this pre-treatment phantom verification model is of very limited significance even for the dose distribution (D) expected in the phantom by the radiotherapy planQA) Dose distribution measured in phantom (D)Test) In contrast, complete agreement or complete compliance does not indicate the dose (D) of radiation received by the patient at the time of actual subsequent treatmentRT) The dose expected from the patient (D)TPS) Consistent or consistent.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a real-time emergent dose monitoring device in radiotherapy.
The technical scheme adopted by the utility model is as follows:
the embodiment of the utility model comprises a real-time emergent dose monitoring device in radiotherapy, which comprises a horizontal base, a T-shaped vertical frame, a rotating arm, a two-dimensional plane detector and an adapter;
the T-shaped stand is fixed on the horizontal base, the first end of the rotating arm is fixed on the T-shaped stand, the second end of the rotating arm is assembled with the adapter, and the two-dimensional plane detector is fixed on the adapter.
Furthermore, the monitoring device also comprises a PC terminal, and the PC terminal is provided with a radiation treatment planning system; and the PC terminal is connected with the two-dimensional plane detector.
Further, horizontal base is equipped with first sliding tray, first limiting plate and first apron, first sliding tray, first limiting plate with first apron constitutes first fixing device jointly, first fixing device is fixed T type grudging post.
Further, horizontal base is the rectangle, horizontal base still is equipped with a plurality of base level adjustment knob and a plurality of horizontal indicator.
Further, the T-shaped stand comprises a horizontal sliding plate and a vertical supporting plate, the vertical supporting plate is vertically fixed on the horizontal sliding plate, and the horizontal sliding plate is fixed in the first fixing device; the vertical supporting plate is provided with a second sliding groove, a second limiting plate and a second cover plate, the second sliding groove, the second limiting plate and the second cover plate jointly form a second fixing device, and the second fixing device fixes the rotating arm.
Furthermore, an adjusting screw rod, a locking knob and an angle indicator are further arranged on the vertical supporting plate.
Further, a third sliding groove is formed in the second end of the rotating arm, and the adapter is assembled on the third sliding groove.
Further, the swinging boom includes swinging boom horizontal pole, rotation axis, rotatory pointer, slip square and rotation angle calibrated scale set up the first end of swinging boom, rotatory pointer with the rotation axis is connected, rotatory pointer passes the swinging boom horizontal pole with the rotation angle calibrated scale is connected, the slip square with the rotation axis is connected.
Further, the rotating arm is provided with a numerical control rotation driving device, and the numerical control rotation driving device is installed at the rotating shaft.
Furthermore, the adapter comprises a frame and a telescopic rod, the telescopic rod is connected with the frame, a mounting hole, a fixing knob and an adjusting knob are arranged in the frame, and the two-dimensional plane detector is mounted on the mounting hole.
The utility model has the beneficial effects that:
according to the utility model, by arranging the rotating arm and the two-dimensional plane detector, the detection plane can be close to the body surface of the patient to the maximum extent by rotating the rotating arm, so that the distance between the body surface of the patient and the detection plane is reduced, and further, the dosage error caused by the distance between the body surface of the patient and the detection plane can be reduced; the utility model has simple structure, convenient installation and disassembly and simple operation.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which,
fig. 1 is a schematic structural diagram of a monitoring device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a horizontal base according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a T-shaped stand according to an embodiment of the present invention;
FIG. 4 is a side view of a rotary arm structure according to an embodiment of the present invention;
FIG. 5 is another side view of a rotary arm structure according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an adapter according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The embodiments of the present application will be further explained with reference to the drawings.
Referring to fig. 1, an embodiment of the present invention provides a real-time monitoring device for an emergent dose in radiotherapy, including a horizontal base 1, a T-shaped stand 2, a rotating arm 3, a two-dimensional plane detector 4, and an adapter 5;
t type grudging post 2 is fixed on the horizontal base 1, the first end of swinging boom 3 is fixed on T type grudging post 2, the second end assembly of swinging boom 3 adapter 5, two-dimensional plane detector 4 is fixed on adapter 5.
In the embodiment, the two-dimensional plane detector can be controlled to be close to the body surface of the appointed part of the patient by rotating the rotating arm, so that the detection plane can be close to the body surface of the patient to the maximum extent, the distance between the body surface of the patient and the detection plane is reduced, and further, the dosage error caused by the distance between the body surface of the patient and the detection plane can be reduced; the utility model has simple structure, convenient installation and disassembly and simple operation.
As an optional embodiment, the monitoring device further comprises a PC terminal, and the PC terminal is provided with a radiation treatment planning system; and the PC terminal is connected with the two-dimensional plane detector 4.
In the embodiment, the PC terminal is connected with the two-dimensional plane detector, so that the PC terminal can obtain the detection result of the two-dimensional plane detector, and the two-dimensional distribution of the emergent dose of the ray passing through the body of the patient in the radiotherapy process is calculated according to the detection result; in this embodiment, after the PC terminal obtains the two-dimensional distribution of the emitted dose in the radiotherapy process, the two-dimensional distribution of the emitted dose may be further compared and analyzed with an expected emitted dose distribution in real time; determining whether the emergent dose meets the expected requirement in the radiotherapy according to the comparison and analysis result; further, the accuracy of the radiotherapy process can be effectively evaluated; specifically, if the relative difference between the two meets certain professional evaluation criteria, for example, the relative difference between the two does not exceed 3 mm/+/-3%; or the standard compliance rate is more than 95 percent, which indicates that the accuracy of the irradiated dose in the body of the patient in the radiotherapy process meets the expected requirement.
Referring to fig. 2, the horizontal base 1 is provided with a first sliding groove 101, a first limiting plate 102 and a first cover plate 103, the first sliding groove 101, the first limiting plate 102 and the first cover plate 103 together form a first fixing device, and the first fixing device fixes the T-shaped stand 2.
The horizontal base 1 is rectangular, and the horizontal base 1 is further provided with a plurality of base horizontal adjusting knobs 104 and a plurality of horizontal indicators 105.
Referring to fig. 2, in the present embodiment, the horizontal base 1 includes 4 horizontal adjustment knobs, 104-1, 104-2, 104-3 and 104-4 in fig. 2; 3 level indicators, 105-1, 105-2 and 105-3, respectively; the first sliding groove 101 is a T-shaped vertical frame sliding groove, and the upper side and the lower side of the first sliding groove 101 are respectively provided with a first limiting plate 102-1 and a first limiting plate 102-2; the left side and the right side of the first sliding groove 101 are respectively provided with a first cover plate, which is respectively 103-1 and 103-2; the first sliding groove 101, the first limit plate 102 and the first cover plate 103 together form a first fixing device to prevent the T-shaped stand 2 from falling off and accurately position; in addition, the horizontal base 1 is also provided with a fixed bottom plate and fastening screws which are adapted to treatment beds of different types of radiotherapy equipment (such as medical accelerators and the like), wherein the fastening screws are shown as 106-1 and 106-2 in figure 2.
In this embodiment, the base horizontal adjustment knob is used to perform horizontal calibration on the horizontal base, and the horizontal indicator is used to display whether the horizontal base is calibrated completely
Referring to fig. 3, the T-shaped stand 2 includes a horizontal sliding plate 201 and a vertical supporting plate 202, the vertical supporting plate 202 is vertically fixed on the horizontal sliding plate 201, and the horizontal sliding plate 201 is fixed in the first fixing device; a second sliding groove, a second limiting plate and a second cover plate are arranged on the vertical supporting plate 202, the second sliding groove, the second limiting plate and the second cover plate jointly form a second fixing device 202-1, and the second fixing device fixes the rotating arm; and the vertical supporting plate is also provided with an adjusting screw 202-2, a locking knob and an angle indicator.
In this embodiment, the second cover plate is used for limiting the rotating arm from overturning; the adjusting screw rod is used for performing ascending adjustment and descending adjustment on the rotating arm; the locking knob is used for positioning a plurality of rotating arms, and the angle indicator is used for indicating the rotating angle of the rotating arms.
Referring to fig. 4 and 5, a second end of the rotating arm 3 is provided with a third sliding groove 301, and the adapter 5 is assembled on the third sliding groove; the swinging boom 3 includes swinging boom cross bar 302, rotation axis 303, rotatory pointer 304, slip square 305 and rotation angle dial 306 set up the first end of swinging boom 3, rotatory pointer 304 with the rotation axis 303 is connected, rotatory pointer 304 passes swinging boom cross bar 302 with rotation angle dial 306 is connected, slip square 305 with the rotation axis 303 is connected.
In the embodiment, the rotating arm is fixed on the T-shaped vertical frame, the rotating pointer used for indicating the center of the rotating shaft of the rotating arm is arranged on the rotating arm, and the rotating pointer at the center of the rotating shaft is coincided with the rotating central shaft of the radiotherapy equipment rack by accurately adjusting the position of the T-shaped vertical frame in the horizontal direction (the left direction and the right direction) and accurately adjusting the height through the adjusting screw rod on the T-shaped vertical frame, so that the planar rotating central shaft of the two-dimensional planar detector is coincided with the rotating central shaft of the radiotherapy equipment rack; during measurement, the rotating arm is rotated, so that the plane of the detector is always perpendicular to the central axis of the ray, and the central axis of the ray always penetrates through the geometric center of the detection plane.
As an alternative embodiment, the rotating arm 3 is provided with a numerically controlled rotary drive 307 mounted at the rotating shaft.
In this embodiment, still be supporting on the swinging boom and have numerical control rotary driving device, through numerical control rotary driving device, can realize remote control drive swinging boom, convenient operation is used. For example, when multi-gantry angle irradiation is performed, an operator can accurately control the angle of the rotating arm only in a control room without entering a treatment room, so that the plane of the two-dimensional plane detector is always perpendicular to the central axis of the ray, and the central axis of the ray always passes through the geometric center of the detection plane.
Referring to fig. 6, the adapter 5 includes a frame 501 and a telescopic rod 502, the telescopic rod 501 is connected to the frame 502, a mounting opening 501-1, a fixing knob 501-2 and an adjusting knob 501-3 are provided in the frame 501, and the two-dimensional plane detector 4 is mounted on the mounting opening 501-1.
In this embodiment, the mounting port is used for mounting the two-dimensional plane detector; the fixing knob is used for fixing the two-dimensional plane detector, and the adjusting knob is used for adjusting the position, the horizontal angle and the vertical angle of the two-dimensional plane detector.
In summary, the real-time monitoring device for the emergent dose in the radiotherapy described in this embodiment has the following advantages:
according to the utility model, by arranging the rotating arm and the two-dimensional plane detector, the detection plane can be close to the body surface of the patient to the maximum extent by rotating the rotating arm, so that the distance between the body surface of the patient and the detection plane is reduced, and further, the dosage error caused by the distance between the body surface of the patient and the detection plane can be reduced; the utility model has simple structure, convenient installation and disassembly and simple operation; meanwhile, the PC terminal is connected with the two-dimensional plane detector, so that the PC terminal can obtain the detection result of the two-dimensional plane detector, and the two-dimensional distribution of the emergent dose of the rays passing through the body of the patient in the radiotherapy process can be calculated according to the detection result, and further the accuracy of the radiotherapy process can be effectively evaluated; by arranging the numerical control rotary driving device, the rotary arm can be driven by remote control in a long distance, and the operation and the use are convenient.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.
Claims (10)
1. An emergent dose real-time monitoring device in radiotherapy is characterized by comprising a horizontal base, a T-shaped vertical frame, a rotating arm, a two-dimensional plane detector and an adapter;
the T-shaped stand is fixed on the horizontal base, the first end of the rotating arm is fixed on the T-shaped stand, the second end of the rotating arm is assembled with the adapter, and the two-dimensional plane detector is fixed on the adapter.
2. The real-time emergent dose monitoring device for radiotherapy according to claim 1, wherein the monitoring device further comprises a PC terminal, the PC terminal is provided with a radiotherapy planning system; and the PC terminal is connected with the two-dimensional plane detector.
3. The real-time emergent dose monitoring device for radiotherapy according to claim 1, wherein the horizontal base is provided with a first sliding groove, a first limiting plate and a first cover plate, the first sliding groove, the first limiting plate and the first cover plate together form a first fixing device, and the first fixing device fixes the T-shaped stand.
4. The real-time emergent dose monitoring device of claim 3, wherein the horizontal base is rectangular, and the horizontal base is further provided with a plurality of base horizontal adjusting knobs and a plurality of horizontal indicators.
5. The real-time emergent dose monitoring device in radiotherapy according to claim 3, wherein the T-shaped stand comprises a horizontal sliding plate and a vertical supporting plate, the vertical supporting plate is vertically fixed on the horizontal sliding plate, and the horizontal sliding plate is fixed in the first fixing device; the vertical supporting plate is provided with a second sliding groove, a second limiting plate and a second cover plate, the second sliding groove, the second limiting plate and the second cover plate jointly form a second fixing device, and the second fixing device fixes the rotating arm.
6. The real-time emergent dose monitoring device for radiotherapy according to claim 5, wherein the vertical support plate is further provided with an adjusting screw rod, a locking knob and an angle indicator.
7. The real-time outgoing dose monitoring device for radiation therapy as claimed in claim 1, wherein the second end of the rotating arm is provided with a third sliding groove, and the adaptor is assembled on the third sliding groove.
8. The device for real-time monitoring of emergent dose in radiotherapy according to claim 1, wherein the rotating arm comprises a rotating arm cross bar, a rotating shaft, a rotating pointer, a sliding block and a rotating angle dial, the rotating shaft, the rotating pointer, the sliding block and the rotating angle dial are arranged at the first end of the rotating arm, the rotating pointer is connected with the rotating shaft, the rotating pointer passes through the rotating arm cross bar and is connected with the rotating angle dial, and the sliding block is connected with the rotating shaft.
9. The device for real-time monitoring of emergent dose in radiotherapy according to claim 8, wherein said rotating arm is provided with a numerical control rotation driving device, and said numerical control rotation driving device is installed at said rotating shaft.
10. The real-time emergent dose monitoring device for radiotherapy according to claim 1, wherein the adaptor comprises a frame and a telescopic rod, the telescopic rod is connected with the frame, a mounting opening, a fixing knob and an adjusting knob are arranged in the frame, and the two-dimensional plane detector is mounted in the mounting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120021689.1U CN216091908U (en) | 2021-01-05 | 2021-01-05 | Emergent dose real-time monitoring device in radiotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120021689.1U CN216091908U (en) | 2021-01-05 | 2021-01-05 | Emergent dose real-time monitoring device in radiotherapy |
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| Publication Number | Publication Date |
|---|---|
| CN216091908U true CN216091908U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120021689.1U Active CN216091908U (en) | 2021-01-05 | 2021-01-05 | Emergent dose real-time monitoring device in radiotherapy |
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| CN (1) | CN216091908U (en) |
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- 2021-01-05 CN CN202120021689.1U patent/CN216091908U/en active Active
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