CN113951906A - Image detection device, detection system and detection method thereof - Google Patents
Image detection device, detection system and detection method thereof Download PDFInfo
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- 238000003384 imaging method Methods 0.000 abstract description 17
- 230000009286 beneficial effect Effects 0.000 description 9
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- 238000012986 modification Methods 0.000 description 2
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4476—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
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Abstract
The invention provides an image detection device, which comprises an emitting part, an emitting support part, a receiving part and a receiving support part. Compared with the technical scheme that the transmitting part moves along the linear track in the prior art, the image detection device comprises the transmitting part and the transmitting part is movably arranged on the transmitting supporting part and faces the positioning area of the receiving part so as to form a plurality of arc tracks in any direction along the arc guiding part under the action of external drive, so that the transmitting part can face the positioning area of the receiving part without greatly adjusting the orientation in the operation process, the freedom degree of motion control is favorably reduced, multi-angle body layer imaging can be realized only through linear motion control, the continuity and the stability of an effective scanning process are improved, and the image quality and the precision are favorably obviously improved. The invention also provides a detection system comprising the image detection device and a detection control method.
Description
Technical Field
The invention relates to the technical field of three-dimensional imaging, in particular to an image detection device, a detection system and a detection method thereof.
Background
With the development of imaging technology, finding and diagnosing disease conditions by observing medical images is becoming an important clinical practice. In the CT imaging, for example, the X-ray beam is used to scan the human body layer to obtain the digital information of the human body structure, and the reconstructed image obtained by the computer processing is digital imaging rather than analog imaging, so that the resolution and accuracy are high.
The invention patent application with publication number CN110870775A discloses a system and method for imaging an object, wherein an X-ray source in an imaging system is disposed on a linear support structure, and when the X-ray source needs to move along the support structure and emit X-rays toward a detector at the position of a subject, in order to ensure the imaging quality, the orientation of the X-ray source relative to the detector needs to be adjusted at any time by a large extent, which seriously affects the continuity of the effective scanning process, thereby affecting the imaging quality.
Therefore, there is a need for a new image detection device to avoid the above problems in the prior art.
Disclosure of Invention
The invention aims to provide an image detection device, an image detection system and an image detection method, which are used for improving the continuity and the stability of an effective scanning process in an application process and are beneficial to obviously improving the image quality and the image precision.
In order to achieve the above object, the image detecting device of the present invention includes an emitting portion, an emitting support portion, a receiving portion and a receiving support portion, wherein the receiving portion is disposed on the receiving support portion, the receiving support portion is disposed opposite to the emitting support portion, and the emitting portion support portion includes an arc-shaped guide portion; the transmitting part is movably arranged on the transmitting supporting part and faces the positioning area of the receiving part so as to move along the arc-shaped guide part under external drive to form a plurality of arc-shaped tracks in any direction.
The image detection device of the invention has the advantages that: compared with the technical scheme that the transmitting part moves along the linear track in the prior art, the transmitting part comprises the arc-shaped guide part, the transmitting part is movably arranged on the transmitting supporting part and faces the positioning area of the receiving part to be driven externally to follow the arc-shaped guide part to move to form a plurality of arc-shaped tracks in any direction, so that the transmitting part can face the positioning area of the receiving part without greatly adjusting the orientation in the running process, the freedom degree of motion control is favorably reduced, multi-angle body layer imaging can be realized only by linear motion control, the continuity and the stability of the effective scanning process are improved, and the image quality and the precision are obviously improved.
Preferably, the plurality of arc-shaped trajectories form at least part of the surface of the same sphere. The beneficial effects are that: the transmitting part can be enabled to face the positioning area of the receiving part without greatly adjusting the orientation.
Further preferably, the positioning region of the receiving portion is located within the sphere. The beneficial effects are that: and the influence of the too far scanning distance on the imaging quality is avoided.
Further preferably, the emitting portion includes an exit port for emitting the detection light, the center of the exit port always points to the same focal point during the movement of the emitting portion, and the receiving portion is disposed at the focal point or between the focal point and the emitting support portion. The beneficial effects are that: the imaging quality is guaranteed.
Further preferably, the positioning area of the receiving portion is located on a straight line formed by a far end point of the arc-shaped track and the focal point, and the far end point of the arc-shaped track is an end point of the arc-shaped track farthest from the focal point. The beneficial effects are that: further ensuring the imaging quality.
Further preferably, the focal point coincides with the positioning region. The beneficial effects are that: further ensuring the imaging quality.
Further preferably, an included angle between a first emergent central path and a second emergent central path formed by the emitting part moving from the limit position at one end to the limit position at the other end along the arc-shaped track is not more than 30 degrees; the first emergent central path refers to a straight line formed between the emergent port and the focus when the emitting part is positioned at the limit position of one end of the arc track; the second emergent central path refers to a straight line formed between the emergent port and the focus when the emitting part is located at the limit position of the other end of the arc track. The beneficial effects are that: and the imaging quality is ensured.
Preferably, any cross section of the sphere is circular or elliptical. The beneficial effects are that: the transmitting part can be enabled to face the positioning area of the receiving part without greatly adjusting the orientation.
Preferably, the receiving portion is in a stationary state with respect to the receiving support portion. The beneficial effects are that: the positioning accuracy is improved.
The detection system comprises a scanning control part and the image detection device, wherein the scanning control part is connected with the transmitting part so as to drive the transmitting part to move along the arc-shaped guide part to form a plurality of arc-shaped tracks and emit detection beams towards the receiving part.
The detection method of the detection system comprises the step of adjusting the transmitting part to always face the center of the receiving part in the process of driving the transmitting part to move along the arc-shaped track through the scanning control part.
The detection system and the detection method of the detection system have the advantages that: because the emission portion includes the arc guide part, the emission portion activity set up in the emission supporting part, and the orientation the locating area of receiving part makes through scanning control portion drive the emission portion is followed the orientation need not to adjust by a wide margin just can make in-process of arc orbit motion the emission portion orientation the locating area of receiving part is favorable to reducing the repeated location process and improving the continuity and the stationarity of effective scanning process, helps showing improvement image quality and precision.
Drawings
FIG. 1 is a schematic diagram of an image detecting apparatus according to the prior art;
FIG. 2 is a schematic diagram of the relative position relationship between the receiving part and the transmitting part according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an image detection apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another image detection apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view of the emitting part shown in FIG. 3 in use when moved to two extreme positions;
fig. 6 is a schematic structural view of an arcuate guide portion according to some embodiments of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
The embodiment of the invention provides an image detection device which is used for reducing repeated positioning processes and improving the continuity and the stability of an effective scanning process in an application process.
Fig. 1 is a schematic structural diagram of an image detection apparatus in the prior art. Fig. 2 is a schematic diagram of a relative position relationship between a receiving portion and a transmitting portion according to an embodiment of the present invention.
Referring to fig. 1, in a related art image detecting apparatus 1, a receiving supporting portion 11 is disposed opposite to a cylindrical emitting supporting portion 13, a receiving portion 12 is disposed on the receiving supporting portion 11, and an emitting portion 14 is disposed on the cylindrical emitting supporting portion 13, so as to emit a detection beam to the receiving portion 12 while moving along a linear track (not shown) in a direction a under external driving.
Since the direction a is vertical, in order to align the emitted detection beam with the same position of the receiving portion 12 during the movement of the emitting portion 14, the direction of the emitting end of the emitting portion 14 must be adjusted by external driving (not shown).
Referring to fig. 1 and 2, if the emitting portion 14 can run along a part of an arc-shaped track (not labeled in the figures) of the circular closed track 21, since the arc-shaped track has a certain radian compared to the linear track a in fig. 1, it can be regarded as performing a certain degree of angle adjustment compensation on the emitting portion 14, and the adjustment range of the orientation of the emitting portion 14 itself by external driving can be effectively reduced, thereby improving the continuity of the effective scanning process.
In some embodiments of the present invention, a sphere is formed along the closed track 21, so that the closed track 21 belongs to the surface of the sphere.
The emitting part of the embodiment of the invention comprises an arc-shaped guide part which is movably arranged on the emitting support part and faces the positioning area of the receiving part so as to form a plurality of arc-shaped tracks in any direction along the arc-shaped guide part under the external drive, so that the emitting part 14 can face the positioning area of the receiving part 12 without greatly adjusting the orientation.
In some embodiments of the present invention, a part of the arc-shaped locus of the closed locus 21 is the plurality of arc-shaped loci.
In some embodiments of the present invention, the plurality of arc tracks are sequentially connected to form the closed track 21.
In some embodiments of the invention, the plurality of arcuate tracks form at least part of the surface of the same sphere, the positioning region of the receiving portion being located within the sphere.
In some embodiments of the present invention, the closed track 21 passes through both ends of the receiving support 11 along the setting direction, and the positioning region of the receiving portion is located in the sphere.
Specifically, the receiving support 11 is disposed in a direction a or a direction opposite to a shown in fig. 1, that is, a direction in which the transmitting portion 14 moves relative to the receiving portion 12.
In some embodiments of the present invention, the receiving portion 11 is received in the closed track 21 or located outside the closed track 21, and the positioning region of the receiving portion is located in the sphere.
In some embodiments of the present invention, the closed track 21 passes through the receiving support 11, such that a portion of the receiving support 11 is accommodated in the closed track 21.
In some embodiments of the present invention, any cross section of the sphere where the closed trajectory 21 is located is circular or elliptical.
Fig. 3 is a schematic structural diagram of an image detection apparatus according to an embodiment of the invention.
Referring to fig. 1 and 3, the first image detecting device 3 includes the emitting portion 14, an emitting support portion 32, the receiving portion 12 and the receiving support portion 11, the receiving portion 12 is disposed on the receiving support portion 11, the receiving support portion 11 is disposed opposite to the emitting support portion 32, and the emitting portion 14 is movably disposed on the emitting support portion 32 and faces the positioning region 35 of the receiving portion 12.
Specifically, the receiving portion 12 is in a stationary state with respect to the receiving support portion 11 to improve positioning accuracy.
Specifically, the emission support portion 32 is arc-shaped, the arc-shaped guide portion of the emission support portion 32 is specifically an inner surface facing the receiving support portion 11 as shown in fig. 3, and the emission portion 14 is movably disposed on the emission support portion 32 to move along the B direction or the direction opposite to the B direction under external driving (not shown).
In some specific embodiments of the present invention, the length of the receiving support 11 along the central axis 31 is taken as a short axis length, the ellipse formed by the receiving support 11 with the center as a circle is taken as a closed track, and the positioning area of the receiving portion 12 is located in the closed track.
In some specific embodiments of the present invention, the closed track is formed by taking the positioning area of the receiving portion 12 as a center, and at least a portion of the receiving support portion 11 is accommodated in the closed track.
FIG. 4 is a schematic structural diagram of another image detection apparatus according to an embodiment of the present invention;
in some embodiments of the invention, the arcuate trajectory is parallel to the at least partially closed trajectory.
Referring to fig. 3 and 4, the second image detection apparatus 4 differs from the first image detection apparatus 3 in that: the emitting support portion 32 is annular and parallel to the plane 41 of the receiving support portion 11, and the emitting portion 14 is movably disposed on the emitting support portion 32 to run along at least a part of the arc surface of the inner surface of the emitting support portion 32, and emit the detecting light beam to the receiving portion (not shown).
In particular, the plane 41 on which the receiving support 11 lies belongs to a closed trajectory formed by the receiving support 11.
Fig. 5 is a schematic view of the use state of the emitting part shown in fig. 3 when moving to two extreme positions.
Referring to fig. 5, the emitting part 14 includes an exit port 51 for emitting the detection light, and a first exit center path 52 formed from the center of the exit port 51 when the emitting part 14 moves to a first limit position in the B direction shown in fig. 3 is directed to the positioning point 35, and a second exit center path 55 formed from the center of the exit port 51 when the emitting part 14 moves to a second limit position is directed to the positioning point 35. The first exit center path 52 and the second exit center path 55 are both straight paths.
Further, the included angle between the first emergent central path and the second emergent central path is 30 degrees. The included angle between the first emergent central path and the second emergent central path is not more than 30 degrees.
Further, during the process that the emitting part 14 moves between the first limit position and the second limit position along the direction B shown in fig. 3, the straight outgoing paths formed from the centers of the outgoing ports 51 are all directed to the positioning point 35.
In some embodiments of the present invention, the center of the exit port 51 always points to the same focus in the process that the emitting portion 14 moves along the arc-shaped track, and the receiving portion 12 is disposed at the focus or between the focus and the emitting support portion 11, so as to ensure the imaging quality.
In some embodiments of the present invention, the positioning point 35 of the receiving portion 12 is located on a straight line formed by a far end point of the arc-shaped track and the focus, where the far end point of the arc-shaped track is an end point of the arc-shaped track farthest from the focus, so as to further ensure the imaging quality.
In some embodiments of the present invention, the focal point coincides with the center of the positioning region 35.
Fig. 6 is a schematic structural view of an arcuate guide portion according to some embodiments of the invention.
Referring to fig. 6, the inner and outer surfaces of the arc guide portion 63 are arc surfaces, and a virtual sphere 61 is formed by the arc guide portion 63, that is, the arc guide portion 63 belongs to a portion of the virtual sphere 61, and the inner surface of the arc guide portion 63 faces the radial section 62 of the virtual sphere 61.
In some embodiments of the present invention, the emitting portion is provided to the arc-shaped guide portion 63 to move in any direction with respect to the inner surface of the radial section 62.
The embodiment of the invention also provides a detection system, which comprises a scanning control part and the image detection device, wherein the scanning control part is connected with the emitting part of the image detection device so as to drive the emitting part to move along the arc-shaped guide part of the emitting support part and emit a detection light beam towards the receiving part of the image detection device.
In some embodiments of the present invention, the image detection apparatus and the detection system are applied to the technical field of medical imaging or industrial detection.
In some embodiments of the present invention, the radiation emitted from the emitting part is an X-ray.
The detection method of the detection system comprises the step of adjusting the emitting part to always face the positioning area of the receiving part in the process of driving the emitting part to move along the arc-shaped track through the scanning control part.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (11)
1. The utility model provides an image detection device, includes transmitting part, transmission supporting part, receiving part and receiving supporting part, the receiving part set up in the receiving supporting part, its characterized in that:
the receiving support part and the transmitting support part are arranged oppositely, and the transmitting support part comprises an arc-shaped guide part;
the transmitting part is movably arranged on the transmitting supporting part and faces the positioning area of the receiving part so as to move along the arc-shaped guide part under external drive to form a plurality of arc-shaped tracks in any direction.
2. The image inspection device of claim 1, wherein the plurality of arcuate trajectories form at least a portion of a surface of a common sphere.
3. The image detecting device of claim 2, wherein the positioning region of the receiving portion is located within the sphere.
4. The image detecting apparatus of claim 3, wherein the emitting portion includes an exit port for emitting the detecting light, the center of the exit port is always directed to the same focus during the movement of the emitting portion, and the receiving portion is disposed at the focus or between the focus and the emitting support portion.
5. The image detecting apparatus according to claim 4, wherein the positioning region of the receiving portion is located on a straight line formed by a distal point of the arc-shaped track and the focus, and the distal point of the arc-shaped track is an end point of the arc-shaped track farthest from the focus.
6. The image detecting device of claim 5, wherein the focus coincides with the positioning region.
7. The image detecting device according to claim 4, wherein an included angle between a first exit center path and a second exit center path formed by the emitting portion moving from an extreme position at one end to an extreme position at the other end along the arc-shaped track is not more than 30 degrees;
the first emergent central path refers to a straight line formed between the emergent port and the focus when the emitting part is positioned at the limit position of one end of the arc track;
the second emergent central path refers to a straight line formed between the emergent port and the focus when the emitting part is located at the limit position of the other end of the arc track.
8. The image detecting device of claim 2, wherein any cross section of the sphere is circular or elliptical.
9. The image detecting device as claimed in claim 1, wherein the receiving portion is in a stationary state with respect to the receiving support portion.
10. A detection system, comprising a scanning control portion and the image detection apparatus according to any one of claims 1 to 9, wherein the image detection apparatus comprises an emitting portion, a receiving portion and an emitting support portion, the scanning control portion is connected to the emitting portion to drive the emitting portion to move along the arc-shaped guide portion of the emitting support portion to form a plurality of arc-shaped tracks, and to emit a detection light beam toward the receiving portion.
11. A method of testing a test system according to claim 10, comprising:
and in the process of driving the transmitting part to move along the arc-shaped track through the scanning control part, the transmitting part is adjusted to always face the positioning area of the receiving part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110179764.1A CN113951906A (en) | 2021-02-08 | 2021-02-08 | Image detection device, detection system and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110179764.1A CN113951906A (en) | 2021-02-08 | 2021-02-08 | Image detection device, detection system and detection method thereof |
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| CN113951906A true CN113951906A (en) | 2022-01-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951911A (en) * | 2021-02-08 | 2022-01-21 | 上海卓昕医疗科技有限公司 | Image detection assembly, image detection system and control method thereof |
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| TW201515638A (en) * | 2013-10-24 | 2015-05-01 | Iner Aec Executive Yuan | A scanning system for three-dimensional imaging |
| CN107693035A (en) * | 2017-11-21 | 2018-02-16 | 南方医科大学 | A kind of x-ray imaging device and method that a variety of track scannings can be achieved |
| CN111772652A (en) * | 2020-07-13 | 2020-10-16 | 上海逸动医学科技有限公司 | Three-dimensional image detection system, device, imaging method and lung detection device |
| CN112168194A (en) * | 2020-10-22 | 2021-01-05 | 宁波舜影医疗设备有限公司 | X-ray perspective photography device |
-
2021
- 2021-02-08 CN CN202110179764.1A patent/CN113951906A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6031888A (en) * | 1997-11-26 | 2000-02-29 | Picker International, Inc. | Fluoro-assist feature for a diagnostic imaging device |
| TW201515638A (en) * | 2013-10-24 | 2015-05-01 | Iner Aec Executive Yuan | A scanning system for three-dimensional imaging |
| CN107693035A (en) * | 2017-11-21 | 2018-02-16 | 南方医科大学 | A kind of x-ray imaging device and method that a variety of track scannings can be achieved |
| CN111772652A (en) * | 2020-07-13 | 2020-10-16 | 上海逸动医学科技有限公司 | Three-dimensional image detection system, device, imaging method and lung detection device |
| CN112168194A (en) * | 2020-10-22 | 2021-01-05 | 宁波舜影医疗设备有限公司 | X-ray perspective photography device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113951911A (en) * | 2021-02-08 | 2022-01-21 | 上海卓昕医疗科技有限公司 | Image detection assembly, image detection system and control method thereof |
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