CN111420305A - Irradiation region determination method, device and equipment and radiotherapy system - Google Patents
Irradiation region determination method, device and equipment and radiotherapy system Download PDFInfo
- Publication number
- CN111420305A CN111420305A CN202010202824.2A CN202010202824A CN111420305A CN 111420305 A CN111420305 A CN 111420305A CN 202010202824 A CN202010202824 A CN 202010202824A CN 111420305 A CN111420305 A CN 111420305A
- Authority
- CN
- China
- Prior art keywords
- height
- body surface
- determining
- irradiation
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
- A61N2005/1056—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam by projecting a visible image of the treatment field
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The disclosure relates to a method, a device and equipment for determining an irradiation area and a radiotherapy system, and belongs to the technical field of radiotherapy. The radiation therapy system to which the irradiation region determination method is applied includes: an emitter and a receiver; the receiver includes a receiving member and a plurality of light emitting members whose light emitting angles are adjustable. The irradiation region determination method includes: determining the size of the irradiation area on the body surface according to a first height from the emitter to the target object facing the body surface of the receiver, a second height from the emitter to the receiver, and the size of the receiver; determining the light emitting angles of the plurality of light emitting members according to the irradiation area; controlling the plurality of light-emitting members to rotate to a light-emitting angle, and emitting visible light to the body surface; the region formed by projecting visible light on the body surface is determined as an irradiation region.
Description
Technical Field
The present disclosure relates to the field of radiotherapy technologies, and in particular, to a method, an apparatus, and a device for determining an irradiation region and a radiotherapy system.
Background
Large medical instruments based on the X-ray radiation principle are widely applied to clinical diagnosis and treatment. Because of the radioactivity of X-rays, it is desirable to minimize the length of time patients and facility operators are exposed to X-rays in order to meet clinical needs.
In the related art, during radiotherapy, an operator of the apparatus determines an irradiation region of X-rays by means of X-ray exposure. This increases the length of time that the patient and medical personnel are exposed to X-rays, with further room for improvement.
Disclosure of Invention
The present disclosure provides a method, an apparatus, a device and a radiation therapy system for determining an irradiation region, so as to solve technical defects in the related art.
In a first aspect, the disclosed embodiments provide an irradiation region determination method, which is applied to a radiation therapy system, including: an emitter and a receiver; the receiver comprises a receiving piece and a plurality of luminous pieces with adjustable luminous angles; the method comprises the following steps:
determining an irradiation area on a body surface of a target object according to a first height from a radiator to the body surface, a second height from the radiator to a receiving piece, and the receiving piece;
determining the light-emitting angles of the plurality of light-emitting pieces according to the irradiation area;
controlling the plurality of luminous pieces to rotate to the luminous angle and emitting visible light to the body surface;
and determining the region marked by the visible light projected on the body surface as an irradiation region.
In one embodiment, the determining the irradiation region on the body surface according to a first height of a radiation device to the body surface of the target object, a second height of the radiation device to a receiving device, and the receiving device includes:
determining the length of the edge of the irradiation area parallel to the edge of the receiving member according to the ratio of the first height and the second height.
In one embodiment, the determining the light emitting angles of the plurality of light emitting members according to the irradiation region includes:
determining a third height of a target light emitting member of the plurality of light emitting members to the illumination area according to the first height and the second height;
acquiring the distance from a projection point of the target luminous piece on the irradiation area to a target irradiation point in the irradiation area;
and determining the light-emitting angle of the target light-emitting piece according to the third height and the distance.
In one embodiment, the illuminated area includes first and second perpendicular edges; the obtaining of the distance from the projection point of the target light-emitting piece on the irradiation area to the target irradiation point in the irradiation area includes:
and determining the distance from the projection point to the target irradiation point according to the distances from the projection point to the first edge and the second edge.
In one embodiment, the target irradiation points corresponding to the plurality of the light emitting members are distributed on the edge of the irradiation area.
In one embodiment, the controlling the light emitting member to emit visible light to the body surface of the target object includes: and controlling the luminous piece to emit colored visible light to the body surface of the target object.
In one embodiment, the treatment system further includes a treatment couch located between the emitter and the receiver, and the method further includes, before determining the irradiation region on the body surface based on the first height of the emitter to the body surface of the target object, the second height of the emitter to the receiving member, and the receiving member:
acquiring the first height and the second height in response to at least one of the transmitter, the receiver, and the treatment couch moving in a height direction.
In a second aspect, the disclosed embodiments provide an irradiation region determination apparatus, which is applied to a radiation therapy system, the radiation therapy system including: an emitter and a receiver; the receiver comprises a receiving piece and a plurality of luminous pieces with adjustable luminous angles; the device comprises:
the first determining module is used for determining an irradiation area on the body surface according to a first height from a radiator to a target object, a second height from the radiator to a receiving piece and the receiving piece;
the second determining module is used for determining the light-emitting angles of the plurality of light-emitting pieces according to the irradiation area;
a control module for controlling the plurality of light emitting members to rotate to the light emitting angle and emit visible light to the body surface, and
and the third determining module is used for determining the region marked by the visible light projected on the body surface as an irradiation region.
In one embodiment, the first determining module is specifically configured to: determining the length of the edge of the irradiation area parallel to the edge of the receiving member according to the ratio of the first height and the second height.
In one embodiment, the second determining module comprises:
a first determining unit, configured to determine a third height from a target light emitting element in the plurality of light emitting elements to the irradiation area according to the first height and the second height;
the acquisition unit is used for acquiring the distance from a projection point of the target luminous piece on the irradiation area to a target irradiation point in the irradiation area; and
and the second determining unit is used for determining the light-emitting angle of the target light-emitting piece according to the third height and the distance.
In one embodiment, the illuminated area includes first and second perpendicular edges; the obtaining unit is specifically configured to: and determining the distance from the projection point to the target irradiation point according to the distances from the projection point to the first edge and the second edge.
In one embodiment, the target irradiation points corresponding to the plurality of the light emitting members are distributed on the edge of the irradiation area.
In one embodiment, the control module, when controlling the light emitter to emit visible light onto the body surface of the target object, comprises: and controlling the luminous piece to emit colored visible light to the body surface of the target object.
In one embodiment, the treatment apparatus further includes a treatment couch located between the emitter and the receiver, and the apparatus further includes:
an obtaining module to obtain the first height and the second height in response to at least one of the transmitter, the receiver, and the treatment couch moving in a height direction before the first determining module determines the irradiation region on the body surface.
In a third aspect, an embodiment of the present disclosure provides an electronic device, where the device includes:
a memory storing executable instructions; and
a processor configured to execute the executable instructions in the memory to implement the method provided by the first aspect described above.
In a fourth aspect, embodiments of the present disclosure provide a radiation therapy system, the system comprising:
a radiator;
a receiver including a receiving member and a plurality of light emitting members whose light emitting angles are adjustable;
a memory storing executable instructions; and
an electronic device as provided in the third aspect above.
In a fifth aspect, the disclosed embodiments provide a readable storage medium, on which executable instructions are stored, and when executed by a processor, the method for determining an irradiation area provided by the first aspect is implemented.
The irradiation region determination method provided by the present disclosure has at least the following beneficial effects:
an irradiation area is determined on the body surface of the target object based on the structure size of the radiotherapy system, and then the light-emitting angle of the light-emitting piece is determined according to the irradiation area, so that visible light emitted by the light-emitting piece is projected on the body surface of the target object to form a visual irradiation area. The irradiation area is adjusted by the visible light marked irradiation area auxiliary equipment operator, so that the debugging process efficiency is improved, and the time length of exposure of medical care personnel and a target object in X-ray in the radiotherapy process is effectively shortened.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic structural diagram of a radiation therapy device according to an exemplary embodiment;
FIG. 2 is a flow diagram illustrating an illumination region determination method according to an exemplary embodiment;
FIG. 3 is a schematic diagram illustrating an illumination region determination method state according to another exemplary embodiment;
FIG. 4 is a flowchart illustrating an illumination region determination method according to another exemplary embodiment;
FIG. 5 is a schematic diagram illustrating an illumination region determination method state according to another exemplary embodiment;
fig. 6 is a schematic configuration diagram illustrating an irradiation region determination apparatus according to an exemplary embodiment;
fig. 7 is a schematic configuration diagram illustrating an irradiation region determination apparatus according to another exemplary embodiment;
fig. 8 is a schematic structural diagram illustrating an irradiation region determination apparatus according to another exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this disclosure do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprises" or "comprising" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
As used in the specification and claims of this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Before describing the irradiation region determining method and apparatus provided by the embodiments of the present disclosure, a radiation therapy system to which the method and apparatus are applied will be described first.
Fig. 1 is a schematic structural diagram of a radiation therapy system according to an exemplary embodiment. As shown in fig. 1, the radiation therapy system includes: an emitter 100, a receiver 200, and a couch 300.
The emitter 100 is used to output X-rays. Optionally, the emitter 100 includes an X-ray tube 110 and a beam expander 120. The X-ray tube 110 is an X-ray generator, and the beam splitter 120 is used to convert the conical light beam emitted from the X-ray tube 110 into a rectangular light beam, so as to ensure that the X-rays are all irradiated on the receiver 200.
The receiver 200 includes a receiving part 210 and a plurality of light emitting parts 220. The receiving element 210 is configured to receive the X-ray emitted from the emitter 100 and output an X-ray image based on the received X-ray. In general, the surface of the receiving member 210 receiving the X-ray is a quadrangle, such as a rectangle, a square, etc.
The light emitting angles of the plurality of light emitting members 220 are adjustable. Referring to fig. 1, the light emitting angle θ of the light emitting element 220 means that the light emitted from the light emitting element 220 forms an angle with the central line Z1 perpendicular to the receiving element 210. And, the plurality of light emitting elements 220 are fixed to the receiving element 210 in a height direction. That is, the light emitting member 220 is highly identical to the receiving member 210.
In the disclosed embodiment, the plurality of light emitting members 220 have various implementations. For example, the plurality of light emitting elements 220 are distributed along four sides of the receiving element 220; alternatively, the plurality of light emitting members 220 form a light emitting member array on the receiving member 210.
The treatment couch 300 is located between the emitter 100 and the receiver 200, and is used for carrying a target object to be detected. The three of the emitter 100, the receiver 200, and the couch 300 are adjustable in height to position the target subject at a proper treatment height. During the treatment, the emitter 100 and the receiver 200 move relatively only in the height direction and remain relatively fixed in a plane perpendicular to the height direction. That is, the center lines of the emitter 100 and the receiver 200 are aligned.
Based on the radiotherapy system, the embodiment of the disclosure provides an irradiation region determination method.
Fig. 2 is a flowchart illustrating an irradiation region determination method according to an exemplary embodiment.
As shown in fig. 2, the irradiation region determination method includes:
step 201, determining an irradiation region on the body surface of the target object according to a first height from the emitter to the body surface of the target object, a second height from the emitter to the receiver, and the receiver.
Referring to fig. 1, the table of the target object in step 201 is a table 410 of a side of the target object 400 facing the receiver 200. The irradiation region represents the region where X-rays exit the target object from the body surface 410.
In the actual operation process, the irradiation area is not in a plane due to the influence of the change of the physiological structure of the body surface of the target object. However, in the embodiment of the present disclosure, the body surface of the target object is treated as a plane, that is, the irradiation region is a planar region.
Fig. 3 is a schematic diagram illustrating a state of an irradiation region determination method according to another exemplary embodiment. In one embodiment, as shown in FIG. 3, the X-rays emitted from the emitter 100 are projected on the receiver 200 through the target object 400, and the receiver 210 is parallel to the body surface 410. The beam splitter converts the conical X-ray beam emitted from the bulb into an X-ray beam having a rectangular radial cross section to project the X-ray onto the rectangular receiving member 210. In this case, the shape of the irradiation region 410 is a rectangle.
Further, the length of the edge of the irradiation area parallel to the edge of the receiving member is determined from the length of the edge of the receiving member in accordance with the ratio of the first height H1 and the second height in accordance with the principle that the parallel line segment is proportional. The concrete formula is as follows:
W1＝H1×W2/H2
wherein H1 is a first height of the emitter 100 to the body surface 410;
h2 is the second height of the emitter 100 to the receiver 210;
w1 is the edge length of illumination area 410;
w2 is the edge length of receiver 210.
Specifically, the length of the broadside of the irradiation region is determined according to the length of the broadside of the receiving element 210, and the length of the long side of the irradiation region is determined according to the length of the long side of the receiving element 210. Further, the center line of the irradiation area 410 in the height direction coincides with the height direction center lines of the emitter 100 and the receiver 210. Thus, the center of the illuminated area is located at the intersection of the receiving room 210 and the centerline of the transmitter 100 with the body surface 410. Further, the position of the irradiation region 410 can be determined on the body surface 410 based on the center position of the irradiation region and the lengths of the respective edges.
With continued reference to fig. 2, after step 201, the irradiation region determination method further includes:
step 202, determining the light-emitting angles of the plurality of light-emitting members according to the irradiation area.
The light emitting members are caused to emit light in a desired direction by the light emitting angles of the respective light emitting members determined according to the irradiation areas.
Fig. 4 is a flowchart illustrating an irradiation region determination method according to another exemplary embodiment. In one embodiment, as shown in fig. 4, step 202 specifically includes:
step 2021, determining a third height of the target illuminating element of the plurality of illuminating elements to the illuminated area according to the first height and the second height.
The third height of the target luminous element from the irradiation area is the difference between the second height and the first height. Optionally, the third height of each light emitting member to the illuminated area is the same.
Step 2022, obtaining the distance from the projection point of the target light-emitting piece on the irradiation area to the target irradiation point in the irradiation area.
Fig. 5 is a schematic diagram illustrating a state of an irradiation region determination method according to another exemplary embodiment. As shown in fig. 5, the irradiation region 410 includes a first side 410a and a second side 410b that are perpendicular (e.g., the irradiation region 410 is rectangular). In such a case, step 2022 specifically includes:
the distance from the projection point a2 to the target irradiation point B is determined according to the distances from the projection point a2 of the target luminous element a1 on the irradiation area to the first side 410a and the second side 410B.
Optionally, a coordinate system is constructed on body surface 410, where the x-axis is parallel to first side 410a and the y-axis is parallel to second side 410 b. At this time, the distances from the projected point a2 to the first side 410a and the second side 410b can be converted into the coordinates of the projected point a 2.
As shown in fig. 5, the origin of the coordinate system is the center point of the irradiation region 410. That is, the origin of the coordinate system is the intersection of the center line of the receiving element 210 and the irradiation area 410. Due to the fixed structure of the radiation therapy system, the distances of the target emitting element A1 from the different edges of the receiving element 210, and the lengths of the different edges of the receiving element 210, can be obtained in advance.
Taking the target light emitting element a1 in fig. 5 as an example, the receiving element 210 has a long side length of L1 and a wide side length of L2, and the target light emitting element a1 has a distance of L3 from the long side and a distance of L4 from the short side, wherein the long side is parallel to the x-axis and the short side is parallel to the y-axis, and at this time, the coordinates of a projection point a2 of the target light emitting element a1 on the irradiation area are (L1/2-L4, L2/2-L3).
The size of the irradiation region is determined on the body surface through step 201, which is equivalent to obtaining the maximum value and the minimum value of the irradiation region on the x-axis and the maximum value and the minimum value on the y-axis. Therefore, the coordinates of different target irradiation points B within the irradiation region can be acquired based on the side length of the irradiation region. Alternatively, the target irradiation point B is located at the edge of the irradiation region, or the target irradiation point B is located inside the irradiation region. In this way, based on the coordinates of the projection point A2 and the target irradiation point B, the distance therebetween (the length of the line segment A2B shown in fig. 5) can be acquired.
Continuing to refer to fig. 4, step 2023 determines the light emitting angle of the target light emitting element according to the third height and the distance from the projection point to the target irradiation point.
Specifically, the tangent of the light emission angle is a ratio of the distance from the projection point to the target irradiation point to the third height.
With continued reference to fig. 2, after step 202, the irradiation region determination method further includes:
and step 203, controlling the plurality of light-emitting members to rotate to a light-emitting angle, and emitting visible light to the body surface.
The visible light is colored light, such as red, green, blue, purple, and the like. The colored light is irradiated on the body surface of the target object, so that medical staff can clearly determine the irradiation position of the luminous piece on the body surface of the target object. Moreover, the mode of emitting visible light is adopted, so that the times of exposure of medical care personnel and target objects to X-rays in the radiation treatment process are reduced.
And step 204, projecting the visible light on the marked region on the body surface of the target object to determine the region as an irradiation region.
Alternatively, the target irradiation points are all located at the edge of the irradiation region in step 202. In this case, the irradiation region in step 204 is a hollow region surrounded by a plurality of light spots, or a hollow region delineated by a colored light bar.
Optionally, the target irradiation point in step 202 is located at the edge of the irradiation region or inside the irradiation region. In such a case, the irradiation region in step 204 is an array region or a solid region where the light spot is formed.
In one embodiment, before step 210, the irradiation region determination method further comprises: in response to at least one of the transmitter, the receiver, and the treatment couch moving in a height direction, a first height of the transmitter to a body surface of the target object facing the receiver and a second height of the transmitter to the receiver are obtained.
In this manner, the first and second heights are acquired in real time during the radiation treatment. And determining an irradiation area according to the first height and the second height acquired in real time so as to adjust the light-emitting angle of the light-emitting piece. Furthermore, the irradiation area is updated in real time, so that the medical staff can clearly determine the irradiation position of the target object.
The irradiation region determining method provided by the embodiment of the disclosure realizes visualization of the target object body surface irradiation region, and assists medical staff in regulating and controlling the irradiation region of the target object. In addition, the irradiation area determination method is realized by adopting visible light, and the X-ray irradiation area is adjusted by auxiliary equipment operators, so that the time length of the equipment operators and the target object exposed to the X-ray in the radiotherapy process is effectively shortened.
Based on the irradiation region determination method, the embodiment of the present disclosure further provides an irradiation region determination device, which is applied to the radiation therapy system. Fig. 6 is a schematic structural diagram illustrating an irradiation region determination apparatus according to an exemplary embodiment. As shown in fig. 6, the apparatus includes: a first determination module 601, a second determination module 602, a control module 603, and a third determination module 604.
The first determining module 601 is used for determining the irradiation region on the body surface according to a first height from the emitter to the body surface of the target object, a second height from the emitter to the receiving element, and the receiving element.
The second determining module 602 is configured to determine light emitting angles of the plurality of light emitting elements according to the illumination area;
and the control module 603 is configured to control the plurality of light emitting members to rotate to a light emitting angle, and emit visible light to the body surface.
The third determining module 604 is configured to determine a region marked by projecting visible light on the body surface as an irradiation region.
In one embodiment, the first determining module 601 is specifically configured to: the length of the edge of the irradiation area parallel to the edge of the receiving member is determined from the length of the edge of the receiving member in accordance with the ratio of the first height and the second height.
In one embodiment, fig. 7 is a schematic structural diagram illustrating an irradiation region determination apparatus according to another exemplary embodiment. As shown in fig. 7, the second determining module 602 includes: a first determination unit 6021, an acquisition unit 6022, and a second determination unit 6023.
The first determining unit 6021 is configured to determine a third height of the target light emitting member to the irradiation region among the plurality of light emitting members based on the first height and the second height.
The acquiring unit 6022 is configured to acquire a distance from a projection point of the target light-emitting member on the irradiation region to the target irradiation point in the irradiation region.
The second determination unit 6023 is configured to determine a light emitting angle of the target light emitting member according to the third height and the distance.
In one embodiment, the illuminated area includes a first edge and a second edge that are perpendicular; the obtaining unit 6022 is specifically configured to: and determining the distance from the projection point to the target irradiation point according to the distances from the projection point to the first edge and the second edge.
In one embodiment, the target irradiation points corresponding to the plurality of luminous members are distributed at the edge of the irradiation area.
In one embodiment, the control module 703, when controlling the light emitting member to emit visible light onto the body surface of the target object, comprises: and controlling the luminous piece to emit colored visible light to the body surface of the target object.
In one embodiment, fig. 8 is a schematic structural diagram illustrating an irradiation region determination apparatus according to another exemplary embodiment. As shown in fig. 8, the irradiation region determination apparatus further includes:
an obtaining module 600 for obtaining the first height and the second height in response to at least one of the transmitter, the receiver, and the couch moving in the height direction before the first determining module 601 determines the irradiation region.
An embodiment of the present disclosure provides an electronic device including a memory and a processor. Wherein the memory stores executable instructions. The processor is configured to execute executable instructions in the memory to implement the steps of the illumination region determination method provided above.
The disclosed embodiments provide a radiation therapy system. The radiation therapy system includes an emitter and a receiver as shown in fig. 1. Wherein, the receiver comprises a receiving piece and a plurality of luminous pieces with adjustable luminous angles. The equipment also comprises the electronic equipment provided by the above. The electronic device executes the executable instructions stored in the memory through the processor so as to regulate and control the light-emitting angle of the light-emitting piece in the receiver.
Embodiments of the present disclosure provide a readable storage medium having executable instructions stored thereon. The executable instructions, when executed by a processor, implement the steps of the illumination region determination method provided above. Optionally, the readable rough medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random access Memory (Random access Memory), a magnetic disk, an optical disk, or other various media capable of storing program codes.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (11)
1. An irradiation region determination method, applied to a radiation therapy system, the radiation therapy system further comprising: an emitter and a receiver; the receiver comprises a receiving piece and a plurality of luminous pieces with adjustable luminous angles; the method comprises the following steps:
determining an irradiation area on a body surface of a target object according to a first height from a radiator to the body surface, a second height from the radiator to a receiving piece, and the receiving piece;
determining the light-emitting angles of the plurality of light-emitting pieces according to the irradiation area;
controlling the plurality of luminous pieces to rotate to the luminous angle and emitting visible light to the body surface;
and determining the region marked by the visible light projected on the body surface as an irradiation region.
2. The method of claim 1, wherein determining the irradiation area based on a first height of a emitter to a body surface of the target object, a second height of the emitter to a receiver, and the receiver on the body surface comprises:
determining the length of the edge of the irradiation area parallel to the edge of the receiving member according to the ratio of the first height and the second height.
3. The method of claim 2, wherein said determining a lighting angle for a plurality of said lighting elements based on said illumination area comprises:
determining a third height of a target light emitting member of the plurality of light emitting members to the illumination area according to the first height and the second height;
acquiring the distance from a projection point of the target luminous piece on the irradiation area to a target irradiation point in the irradiation area;
and determining the light-emitting angle of the target light-emitting piece according to the third height and the distance.
4. The method of claim 3, wherein the illuminated area includes first and second perpendicular edges; the obtaining of the distance from the projection point of the target light-emitting piece on the irradiation area to the target irradiation point in the irradiation area includes:
and determining the distance from the projection point to the target irradiation point according to the distances from the projection point to the first edge and the second edge.
5. The method of claim 3, wherein the target illumination points corresponding to the plurality of luminous members are distributed on an edge of the illumination area.
6. The method of claim 1, wherein controlling the glowing member to emit visible light toward a body surface of the target object comprises:
and controlling the luminous piece to emit colored visible light to the body surface of the target object.
7. The method of claim 1, wherein the treatment system further comprises a treatment couch located between the emitter and the receiver; before the determining the irradiation region on the body surface from the first height of the emitter to the body surface of the target object, the second height of the emitter to the receiving member, and the receiving member, the method further includes:
acquiring the first height and the second height in response to at least one of the transmitter, the receiver, and the treatment couch moving in a height direction.
8. An irradiation region determination apparatus, characterized in that the apparatus is applied to a radiation therapy system comprising: an emitter and a receiver; the receiver comprises a receiving piece and a plurality of luminous pieces with adjustable luminous angles; the device comprises:
the first determining module is used for determining an irradiation area on the body surface according to a first height from a radiator to the body surface of a target object, a second height from the radiator to a receiving piece and the receiving piece;
the second determining module is used for determining the light-emitting angles of the plurality of light-emitting pieces according to the irradiation area;
a control module for controlling the plurality of light emitting members to rotate to the light emitting angle and emit visible light to the body surface, and
and the third determining module is used for determining the region marked by the visible light projected on the body surface as an irradiation region.
9. An electronic device, characterized in that the device comprises:
a memory storing executable instructions; and
a processor configured to execute the executable instructions in the memory to implement the method of any of claims 1-7.
10. A radiation therapy system, characterized in that said system comprises:
a radiator;
a receiver including a receiving member and a plurality of light emitting members whose light emitting angles are adjustable; and
the electronic device of claim 9.
11. A readable storage medium having stored thereon executable instructions, wherein the executable instructions when executed by a processor implement the method of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202824.2A CN111420305B (en) | 2020-03-20 | 2020-03-20 | Irradiation region determination method, device and equipment and radiotherapy system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202824.2A CN111420305B (en) | 2020-03-20 | 2020-03-20 | Irradiation region determination method, device and equipment and radiotherapy system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111420305A true CN111420305A (en) | 2020-07-17 |
| CN111420305B CN111420305B (en) | 2022-05-17 |
Family
ID=71548382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010202824.2A Active CN111420305B (en) | 2020-03-20 | 2020-03-20 | Irradiation region determination method, device and equipment and radiotherapy system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111420305B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11260700A (en) * | 1998-03-13 | 1999-09-24 | Mitsubishi Electric Corp | X-ray aligner |
| CN101478918A (en) * | 2006-06-28 | 2009-07-08 | 艾可瑞公司 | Parallel stereovision geometry in image-guided radiosurgery |
| JP2012187322A (en) * | 2011-03-11 | 2012-10-04 | Toshiba Corp | X-ray ct apparatus |
| CN102783969A (en) * | 2011-05-19 | 2012-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | X-ray radiation field indicating method, beam limiting device and medical X-ray photographic equipment |
| CN105470081A (en) * | 2015-11-23 | 2016-04-06 | 沈阳东软医疗***有限公司 | Control method of beam limiting device, apparatus and equipment thereof |
| CN106621078A (en) * | 2017-03-09 | 2017-05-10 | 苏州大学附属第二医院 | Laser positioning system and system used for radiation therapy |
| CN108523911A (en) * | 2018-05-11 | 2018-09-14 | 沈阳东软医疗***有限公司 | A kind of digital radiography equipment and automatic exposure control method |
| CN109717956A (en) * | 2019-01-16 | 2019-05-07 | 上海长海医院 | Laser orientation instru-ment, operation guiding system and application method based on C arm X-ray machine |
| CN110338831A (en) * | 2019-08-14 | 2019-10-18 | 晓智科技（成都）有限公司 | A method of each component physical alignment in adjustment X-ray imaging system |
-
2020
- 2020-03-20 CN CN202010202824.2A patent/CN111420305B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11260700A (en) * | 1998-03-13 | 1999-09-24 | Mitsubishi Electric Corp | X-ray aligner |
| CN101478918A (en) * | 2006-06-28 | 2009-07-08 | 艾可瑞公司 | Parallel stereovision geometry in image-guided radiosurgery |
| JP2012187322A (en) * | 2011-03-11 | 2012-10-04 | Toshiba Corp | X-ray ct apparatus |
| CN102783969A (en) * | 2011-05-19 | 2012-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | X-ray radiation field indicating method, beam limiting device and medical X-ray photographic equipment |
| CN105470081A (en) * | 2015-11-23 | 2016-04-06 | 沈阳东软医疗***有限公司 | Control method of beam limiting device, apparatus and equipment thereof |
| CN106621078A (en) * | 2017-03-09 | 2017-05-10 | 苏州大学附属第二医院 | Laser positioning system and system used for radiation therapy |
| CN108523911A (en) * | 2018-05-11 | 2018-09-14 | 沈阳东软医疗***有限公司 | A kind of digital radiography equipment and automatic exposure control method |
| CN109717956A (en) * | 2019-01-16 | 2019-05-07 | 上海长海医院 | Laser orientation instru-ment, operation guiding system and application method based on C arm X-ray machine |
| CN110338831A (en) * | 2019-08-14 | 2019-10-18 | 晓智科技（成都）有限公司 | A method of each component physical alignment in adjustment X-ray imaging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111420305B (en) | 2022-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6340488B1 (en) | Radiation dose monitoring system | |
| KR20210068019A (en) | Illumination Assemblies and Methods for Mammography and Tomography Imaging Systems | |
| US10569105B2 (en) | Radiation based treatment beam position calibration and verification | |
| ES2872345T3 (en) | System for determining the position of objects in an irradiation room for radiotherapy | |
| JP2008522702A (en) | Intraluminal CT localization marking laser | |
| CN107875524B (en) | Radiotherapy system, phantom and isocenter calibration method | |
| JP2008043567A (en) | Positioning system | |
| JP6896649B2 (en) | Ambient light suppression using color space information to derive pixel-by-pixel attenuation factors | |
| CN107913079B (en) | Radiation field verification device and method for medical equipment | |
| US10507338B2 (en) | Particle beam radiotherapy system | |
| JP2008022896A (en) | Positioning system | |
| US7019745B2 (en) | Three-dimensional image display device | |
| CN107693118A (en) | X-ray imaging equipment and its target area indicating means | |
| JP2017209243A (en) | Radiation irradiation system and moving body tracking device | |
| CN111420305B (en) | Irradiation region determination method, device and equipment and radiotherapy system | |
| WO2017187877A1 (en) | Moving body-tracking device and radiation-emitting system | |
| JP2009226015A (en) | Patient positioning apparatus | |
| US20030206613A1 (en) | Focused radiation visualization | |
| CN103126703A (en) | Body laser positioning system and method used for computed tomography (CT) system | |
| JPH1147290A (en) | Localization apparatus for patient's lesion and radiotherapeutic device using the same | |
| EP3473186A1 (en) | Radiation target indication | |
| US20220296928A1 (en) | Laser skin marking for radiation therapy (rt) planning | |
| WO2021056452A1 (en) | Method and apparatus for detecting position of patient, radiotherapy device and readable storage medium | |
| CN114832243B (en) | Position adjustment method, head display device and radiotherapy system | |
| JP4066729B2 (en) | X-ray simulator device for radiation therapy planning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |