Medical radiation detection device

Abstract

The medical radiation detection device comprises a supporting frame A, a rotating arm, a detection bed, a control module and a rotating device. The rotating arm can be driven by the rotating device to rotate relative to the supporting frame A; one end of the rotating arm comprises an emission source, and in the rotating process of the rotating arm, the emission source and the imager rotate around the detection bed; the detection bed is used for bearing a detected object and can move up and down to adjust the height of the detected object; the control module is used for controlling the rotating arm to rotate to a set angle and performing two-dimensional imaging on a detected object for medical diagnosis; the control module is used for controlling the rotating arm to rotate, controlling the emission source to emit radiation signals and controlling the imager to detect the radiation signals, and in the rotating process, three-dimensional imaging is conducted on a detected object for medical diagnosis. The rotating space of the rotating arm is open, the structure is simple and flexible, and the use experience is good. The detection bed can move up and down, so that the imaging accuracy of equipment is better, and the position of an imaging center can be adjusted.

Description

Technical Field

[0001] This application belongs to the technical field of medical instruments, and particularly relates to a medical imaging detection device based on X-rays. Background Art

[0002] Explanation of Terms:

[0003] CT (Computed Tomography), computed tomography, is a medical imaging technique. It uses an X-ray beam to perform tomographic scans on the human body and generates detailed images of the internal structure of the body with the aid of computer processing.

[0004] DR: Digital Radiography, also known as a digital X-ray imaging system. In this application, DR refers to medical DR, which is a relatively advanced examination method in the radiology department and can be used for the diagnosis, differential diagnosis, and prognosis assessment of diseases in multiple organ systems in clinical practice.

[0005] DD motor: Also called a direct drive motor. It has the characteristics of large torque at low speed, simple structure, low mechanical loss, low noise, and less maintenance.

[0006] In hospitals, different detection devices are applied in different scenarios; for example, DR devices are used for chest radiography, and high-resolution CT devices are used for imaging the blood vessels in the head.

[0007] In the field of pet medicine, CT devices or DR devices are expensive and occupy a large amount of space. Many pet hospitals do not have the physical space or the purchase funds to install CT devices and DR devices simultaneously.

[0008] With the popularization of community hospitals, many community hospitals also hope to install CT devices and DR devices, but they also face problems such as installation location restrictions and cost expenditures.

[0009] In the technical solution disclosed in the patent application with the patent application number "CN201620157202.1" and the application name "Medical Imaging Scanning Device and Its C-arm", in order to solve the problem of sharing CT devices and DR devices, it is proposed to dynamically separate the radiation source and detector inside the CT device to form a DR device. This solution has a complex switching process, and at the same time, the device structure is also very complex, making it difficult to use and maintain. Summary of the Invention

[0010] In this application, the inventor proposes a medical radiation detection device with a radiation source and an imager respectively arranged at both ends of a rotating arm. The rotation space of the rotating arm is open, and the radiation source and the imager rotate around the examination bed. The examination bed can be moved up and down to adjust the height of the detection object; it can perform both 2D imaging and 3D imaging on the detection object, is applicable to a variety of scenarios, is very convenient to use, and provides a better user experience.

[0011] The solution of the present application to solve the above technical problems is a medical radiation detection device, including: a support frame A, a rotating arm, a control module, and a rotating device; the support frame A is used to carry and support the rotating arm, the control module, and the rotating device; one end of the rotating arm is mechanically connected to the rotating device; the other end of the rotating device is mechanically connected to the support frame A; the rotating arm can rotate relative to the support frame A under the drive of the rotating device; one end of the rotating arm includes a radiation source, and during the rotation of the rotating arm, the radiation source rotates around the detection object, and the radiation source directs a radiation beam towards the detection object; the other end of the rotating arm includes an imager, and during the rotation of the rotating arm, the imager rotates around the detection object and can detect the radiation signal emitted by the radiation source; the control module is arranged on the support frame A or the rotating arm, and the control module is electrically connected to the rotating device; the control module is electrically connected to the radiation source; the control module is electrically connected to the imager; the control module is used to control the rotating arm to rotate to a set angle, control the radiation source to emit a radiation signal, control the imager to detect the radiation signal, and perform 2D imaging on the detection object, and the 2D imaging is used for medical diagnosis; the control module is used to control the rotation of the rotating arm, control the radiation source to emit a radiation signal, control the imager to detect the radiation signal, and perform 3D imaging on the detection object during the rotation process, and the 3D imaging is used for medical diagnosis.

[0012] The above-mentioned medical radiation detection device further includes a detection bed, and the detection bed is used to carry the detection object; the detection bed can move up and down to adjust the height of the detection object.

[0013] The above-mentioned medical radiation detection device includes any one or any combination of the following features: Feature TA1: includes a weighing module, and the weighing module includes a pressure sensor placed on the detection bed; Feature TA2: includes a weighing module, and the weighing module includes at least 3 pressure sensors, and the pressure sensors support the detection bed surface; Feature TA3: includes a detection object height detection device; the detection object height detection device detects the height of the detection object; Feature TA4: includes a dual-camera ranging device; the dual-camera ranging device is installed at one end of the rotating arm; Feature TA5: includes a laser ranging device; the laser ranging device is installed at one end of the rotating arm; Feature TA6: includes an ultrasonic ranging device; the ultrasonic ranging device is installed at one end of the rotating arm; Feature TA7: the rotating device includes a rotating motor and a rotating shaft, the rotating motor drives the rotating shaft to rotate, and the rotating shaft is used to drive the rotating arm to rotate; the bushing and the rotating shaft of the rotating shaft are respectively connected to the support frame A or the rotating arm; Feature TA8: the rotating device includes a DD motor; one end of the DD motor is connected to the support frame A, and the other end of the DD motor is connected to the rotating arm; Feature TA9: the part of the detection bed that receives radiation irradiation and forms an image is made of carbon fiber material.

[0014] The above-mentioned emission source is a cone-beam X-ray source, and the above-mentioned imager is a amorphous silicon flat-panel imager; it includes any one or any combination of the following features: Feature TB1: The above-mentioned X-ray source includes a kV X-ray source; Feature TB2: The above-mentioned X-ray source emits X-rays with an energy of 100 kV; Feature TB3: The above-mentioned X-ray source includes a linear accelerator; Feature TB4: The detection pixels of the above-mentioned amorphous silicon flat-panel imager are greater than 3072×3072; Feature TB5: The size of the above-mentioned amorphous silicon flat-panel imager is greater than 43 cm×43 cm.

[0015] The above-mentioned medical radiation detection device further includes a lifting strut. The above-mentioned detection bed is connected to the lifting strut, and the lifting strut can drive the detection bed to move up and down.

[0016] The above-mentioned medical radiation detection device further includes a support frame B and a rotational connection device. The support frame B is mechanically coupled to the support frame A through the rotational connection device. The support frame B supports the above-mentioned detection bed, and the support frame B can drive the detection bed to rotate around the rotational connection device.

[0017] The above-mentioned medical radiation detection device further includes a support frame C. The bottom of the support frame C is connected to at least 3 universal wheels. The support frame C supports the above-mentioned detection bed, and the support frame C can drive the detection bed to rotate. At least one universal wheel has a locking mechanism.

[0018] The above-mentioned medical radiation detection device includes a relative position detection device. The relative position detection device includes a position signal transmitter and a position signal detector; the position signal transmitter and the position signal detector are respectively installed on one side of the detection bed and one side of the rotating arm, and the control module detects the relative position of the detection bed and the rotating arm.

[0019] The above-mentioned medical radiation detection device includes a rotational safety detection module, which is installed on the above-mentioned rotating arm; the rotational safety detection module detects objects in the rotational direction. If there is a foreign object in the rotational direction, the rotating arm is prohibited from rotating.

[0020] For the above-mentioned medical radiation detection device, the control module can control the rotating arm to rotate to a set angle, control the emission source to emit a radiation signal, control the imager to detect the radiation signal value, and perform dynamic 2D imaging on the detection object.

[0021] The technical effects of the above-mentioned technical solution include: The rotation space of the rotating arm is open, with a simple structure, lower cost, and good user experience.

[0022] The technical effects of the above-mentioned technical solution include: The detection bed can move up and down to adjust the height of the detection object, making the imaging accuracy of the device better and enabling the adjustment of the imaging center position.

[0023] The technical effects of the above technical solution include: it can perform both 2D imaging and 3D imaging, is applicable to various scenarios, is very convenient to use, and provides a better user experience.

[0024] The technical effects of the above technical solution include: it can also perform 2D dynamic imaging, further expanding the application scenarios, is very convenient to use, and provides a better user experience.

[0025] The technical effects of the above technical solution include: a cone-beam X-ray source and a non-crystalline silicon flat panel imager, ensuring the image quality of 2D imaging and 3D imaging.

[0026] The technical effects of the above technical solution include: the setting of the weighing module facilitates obtaining the weight of the detection object, and the detection bed displacement can be adjusted according to the weight.

[0027] The technical effects of the above technical solution include: the weighing module includes at least 3 pressure sensors, can also obtain the center of gravity position of the detection object, and can perform the detection bed displacement more accurately.

[0028] The technical effects of the above technical solution include: the detection object height detection device detects the height of the detection object, can perform the detection bed displacement more accurately, and can more accurately control the positional relationship between the imaging center position of the detection object and the imaging central axis of the rotating arm.

[0029] The technical effects of the above technical solution include: the dual-camera ranging device can accurately obtain the relative position information and can accurately perform the detection bed displacement.

[0030] The technical effects of the above technical solution include: the laser ranging device can more accurately obtain the relative position information and can more accurately perform the detection bed displacement.

[0031] The technical effects of the above technical solution include: multiple ranging methods, convenient to use and configure, setting different ranging devices in different occasions, more flexible and diversified.

[0032] The technical effects of the above technical solution include: the lifting strut can stably and reliably drive the detection bed to move up and down.

[0033] The technical effects of the above technical solution include: the setting of the support frame B facilitates driving the rotation of the detection bed, changing the position of the bed, and can conveniently and flexibly adjust the position of the detection object relative to the imaging optical path.

[0034] The technical effects of the above technical solution include: the universal wheels are convenient for movement.

[0035] The technical effects of the above technical solution include: the relative position detection device facilitates the control module to detect the relative position between the detection bed and the rotating arm, and the detection object position adjustment is more flexible.

[0036] The technical effects of the above technical solution include: rotating the safety detection module to ensure rotational safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 is one of the side view schematic diagrams of the medical radiation detection device;

[0038] Figure 2 is the second side view schematic diagram of the medical radiation detection device;

[0039] Figure 3 is the third side view schematic diagram of the medical radiation detection device;

[0040] Figure 4 is the fourth side view schematic diagram of the medical radiation detection device;

[0041] Figure 5 is the fifth side view schematic diagram of the medical radiation detection device;

[0042] Figure 6 is the sixth side view schematic diagram of the medical radiation detection device;

[0043] Figure 7 is the three-dimensional schematic of the medical radiation detection device Figure 1 ;

[0044] Figure 8 is the side view schematic diagram of the medical radiation detection device in one state;

[0045] Figure 9 is the side view schematic diagram of the medical radiation detection device in another state. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0046] The following further details the content of this application in conjunction with each drawing. It should be noted that the following is a description of the preferred embodiments of the present invention and does not constitute any limitation to the present invention. The description of the preferred embodiments of the present invention is only for the description of the general principles of the present invention. The numbers such as "first", "second", "A", and "B" involved in the present invention are only for the convenience of description and do not represent the order relationship in time or space. The combinations of letters and numbers "TA", "TB", and "H" involved in the present invention are only for the convenience of description, and the specific meanings are determined by the specific words they represent.

[0047] Such as Figure 1As shown in the figure, in an embodiment of a medical radiation detection device, it includes: a support frame A100, a rotating arm 200, a detection bed 600, a control module 300, and a rotating device 500; one end of the rotating arm 200 is mechanically connected to one end of the rotating device 500; the other end of the rotating device 500 is mechanically connected to the support frame A100; the rotating arm 200 can rotate relative to the support frame A100 driven by the rotating device 500; one end of the rotating arm 200 includes a radiation source 210. During the rotation of the rotating arm 200, the radiation source 210 rotates around the detection bed 600, and the radiation source 210 directs a radiation beam towards the detection bed 600; the other end of the rotating arm 200 includes an imager 220. During the rotation of the rotating arm 200, the imager 220 rotates around the detection bed 600 and can detect the radiation signal emitted by the radiation source 210; the detection bed 600 is used to carry the detection object; the detection bed 600 can move up and down to adjust the height of the detection object; the control module 300 is used to control the rotating arm 200 to rotate to a set angle, control the radiation source 210 to emit a radiation signal, control the imager 220 to detect the radiation signal, and perform two-dimensional imaging on the detection object. The two-dimensional imaging is used for medical diagnosis; the control module 300 is used to control the rotation of the rotating arm 200, control the radiation source 210 to emit a radiation signal, control the imager 220 to detect the radiation signal, and perform three-dimensional imaging on the detection object during the rotation process. The three-dimensional imaging is used for medical diagnosis.

[0048] The control module 300 can control the rotating arm 200 to rotate to a set angle, control the radiation source 210 to emit a radiation signal, control the imager 220 to detect the radiation signal value, and perform dynamic two-dimensional imaging on the detection object.

[0049] Compared with the patent application number "CN201620202968.7" and the application name "Multi-degree-of-freedom cone-beam CT imaging system", in the technical solution of this application, a complex multi-degree-of-freedom design structure is avoided; through the cooperation of the up-and-down movement of the detection bed 600 and the rotation of the rotating arm 200, relative movement in multiple positions can be completed, meeting the two-dimensional or three-dimensional imaging requirements in different application scenarios.

[0050] Compared with the patent application number "CN201620157202.1" and the application name "Medical imaging scanning device and its C-arm", the technical solution of this application has a simple structure and a more economical cost.

[0051] The above-mentioned emission source 210 is a cone-beam X-ray source, and the above-mentioned imager 220 is a amorphous silicon flat panel imager. The above-mentioned X-ray source moves around the above-mentioned detection object and emits an X-ray beam towards the above-mentioned detection object in the form of a cone beam from multiple positions around the above-mentioned detection object. The above-mentioned X-ray source includes a kV X-ray source; the above-mentioned X-ray source emits X-rays with an energy of 100 kV; the above-mentioned X-ray source includes a linear accelerator; the detection pixels of the above-mentioned amorphous silicon flat panel imager are greater than 3072×3072; the size of the above-mentioned amorphous silicon flat panel imager is greater than 43 cm×43 cm. The control module 300 receives the above-mentioned image from the above-mentioned amorphous silicon flat panel imager and generates a tomographic X-ray image of the above-mentioned target object based on the received image. The control module 300 receives the above-mentioned 2D projection image from the above-mentioned amorphous silicon flat panel imager and generates a 3D tomographic X-ray image of the above-mentioned target object based on the received 2D projection image.

[0052] As Figure 2 and Figure 7 shown, in an embodiment of the medical radiation detection device, it further includes a lifting strut 610. The above-mentioned detection bed 600 is connected to the above-mentioned lifting strut 610, and the lifting strut 610 can drive the detection bed 600 to move up and down.

[0053] As Figure 2 and Figure 8 shown, in an embodiment of the medical radiation detection device, it further includes a support frame B810 and a rotational connection device 820. The support frame B810 is mechanically coupled to the support frame A100 through the rotational connection device 820. The support frame B810 supports the above-mentioned detection bed 600, and the support frame B810 can drive the detection bed 600 to rotate around the rotational connection device 820. The support frame B810 supports the detection bed 600 to rotate parallel to the rotation device 500; the support frame B810 supports the detection bed 600 to rotate perpendicular to the rotation device 500; the support frame B810 supports the detection bed 600 to rotate to an angle intersecting with the rotation device 500.

[0054] As Figures 3 to 5 shown, in an embodiment of the medical radiation detection device, it further includes a support frame C910. The bottom of the support frame C910 is connected to at least 3 universal wheels 920. The support frame C910 supports the above-mentioned detection bed 600, and the support frame C910 can drive the detection bed 600 to rotate. The universal wheels 920 are universal support wheels, which play a role of support and steering.

[0055] As Figure 4 shown, in an embodiment of the medical radiation detection device, it includes a detection object height detection device 700; the detection object height detection device 700 detects the height of the detection object.

[0056] In some embodiments of a medical radiation detection device, it includes a dual-camera ranging device; the dual-camera ranging device is installed at one end of the above-mentioned rotating arm 200; the dual-camera ranging device is used to obtain the position of the detection object relative to the radiation source 210 or the imager 220.

[0057] In some embodiments of a medical radiation detection device, it includes a laser ranging device; the laser ranging device is installed at one end of the above-mentioned rotating arm 200 and is used to obtain the position of the detection object relative to the radiation source 210 or the imager 220.

[0058] In some embodiments of a medical radiation detection device, it includes an ultrasonic ranging device; the ultrasonic ranging device is installed at one end of the above-mentioned rotating arm 200 and is used to obtain the position of the detection object relative to the radiation source 210 or the imager 220.

[0059] As Figure 5 shown, in an embodiment of a medical radiation detection device, it includes a relative position detection device 990, and the relative position detection device 990 includes a position signal transmitter and a position signal detector; the position signal transmitter and the position signal detector are respectively installed on one side of the examination table 600 and one side of the rotating arm 200, and the control module 300 detects the relative position between the examination table 600 and the rotating arm 200. In an embodiment of a medical radiation detection device, the radiation energy emitted by the above-mentioned radiation source 210 is adjusted according to the target area of the detection object. The adjustment is based on the relative position information obtained by the relative position detection device 990.

[0060] As Figure 6 shown, in an embodiment of a medical radiation detection device, it includes a rotational safety detection module 980, and the rotational safety detection module 980 is installed on the above-mentioned rotating arm 200; the rotational safety detection module 980 detects an object in the rotational direction, and if there is a foreign object in the rotational direction, the rotating arm 200 is prohibited from rotating.

[0061] As Figure 6 shown, in an embodiment of a medical radiation detection device, it includes a weighing module, and the above-mentioned weighing module includes a pressure sensor placed on the above-mentioned examination table 600; the weighing module includes at least 3 pressure sensors, and the above-mentioned pressure sensors support the surface of the examination table 600.

[0062] The medical radiation detection device includes a support frame A100, a rotating arm 200, a detection bed 600, a control module 300, and a rotating device 500; the rotating arm 200 can rotate relative to the support frame A100 under the drive of the rotating device 500; one end of the rotating arm 200 includes a radiation source 210, and during the rotation of the rotating arm 200, the radiation source 210 and the imager 220 rotate around the detection bed 600; the detection bed 600 is used to carry the detection object and can move up and down to adjust the height of the detection object; the control module 300 is used to control the rotating arm 200 to rotate to a set angle for 2D imaging of the detection object for medical diagnosis; the control module 300 is used to control the rotation of the rotating arm 200, control the radiation source 210 to emit radiation signals, control the imager 220 to detect radiation signals, and perform 3D imaging of the detection object for medical diagnosis during the rotation. The rotation space of the rotating arm 200 is open, with a simple and flexible structure, lower cost, and better user experience. The detection bed 600 can move up and down, making the imaging accuracy of the device better and enabling adjustment of the imaging center position.

[0063] Although the invention is described and illustrated with reference to preferred embodiments and several alternative options, the invention is not limited to the specific descriptions in this specification. Other additional alternatives or equivalent components can also be used to practice the invention.

Claims

1. A medical radiation detection device, characterized in that, Comprising: A support frame A (100), a rotating arm (200), a control module (300), a rotating device (500); The support frame A (100) is used to carry and support the rotating arm (200), the control module (300) and the rotating device (500); One end of the rotating arm (200) is mechanically connected to the rotating device (500); The other end of the rotating device (500) is mechanically connected to the support frame A (100); The rotating arm (200) can rotate relative to the support frame A (100) under the drive of the rotating device (500); One end of the rotating arm (200) includes a radiation source (210). During the rotation of the rotating arm (200), the radiation source (210) rotates around the detection object, and the radiation source (210) directs a radiation beam towards the detection object; The other end of the rotating arm (200) includes an imager (220). During the rotation of the rotating arm (200), the imager (220) rotates around the detection object and can detect the radiation signal emitted by the radiation source (210); The control module (300) is arranged on the support frame A (100) or the rotating arm (200). The control module (300) is electrically connected to the rotating device (500); the control module (300) is electrically connected to the radiation source (210); the control module (300) is electrically connected to the imager (220); The control module (300) is used to control the rotating arm (200) to rotate to a set angle, control the radiation source (210) to emit a radiation signal, control the imager (220) to detect the radiation signal, and perform 2D imaging on the detection object, and the 2D imaging is used for medical diagnosis; The control module (300) is used to control the rotation of the rotating arm (200), control the radiation source (210) to emit a radiation signal, control the imager (220) to detect the radiation signal, and perform 3D imaging on the detection object during the rotation process, and the 3D imaging is used for medical diagnosis.

2. The medical radiation detection device according to claim 1, characterized in that, It further includes a detection bed (600), and the detection bed (600) is used to carry the detection object; the detection bed (600) can move up and down to adjust the height of the detection object.

3. The medical radiation detection device according to claim 2, characterized in that, It includes any one or any combination of the following features, Feature TA1: It includes a weighing module, and the weighing module includes a pressure sensor placed on the detection bed (600); Feature TA2: It includes a weighing module, and the weighing module includes at least 3 pressure sensors, and the pressure sensors support the surface of the detection bed (600); Feature TA3: It includes a detection object height detection device (700); the detection object height detection device (700) detects the height of the detection object; Feature TA4: It includes a dual-camera ranging device; the dual-camera ranging device is installed at one end of the rotating arm (200); Feature TA5: It includes a laser ranging device; the laser ranging device is installed at one end of the rotating arm (200); Feature TA6: It includes an ultrasonic ranging device; the ultrasonic ranging device is installed at one end of the rotating arm (200); Feature TA7: The rotating device (500) includes a rotating motor and a rotating shaft (520), the rotating motor drives the rotating shaft (520) to rotate, and the rotating shaft (520) is used to drive the rotating arm (200) to rotate; The shaft sleeve of the rotating shaft (520) and the rotating shaft (520) are respectively connected to the support frame A (100) or the rotating arm (200); Feature TA8: The rotating device (500) includes a DD motor; one end of the DD motor is connected to the support frame A (100), and the other end of the DD motor is connected to the rotating arm (200); Feature TA9: The irradiated imaging part of the detection bed (600) is made of carbon fiber material.

4. The medical radiation detection device according to claim 2, wherein The radiation source (210) is a cone beam X-ray source, and the imager (220) is a amorphous silicon flat panel imager; It includes any one or more of the following features, Feature TB1: The X-ray source includes a kV X-ray source; Feature TB2: The X-ray source emits X-rays with an energy of 100 kV; Feature TB3: The X-ray source includes a linear accelerator; Feature TB4: The detection pixels of the amorphous silicon flat panel imager are greater than 3072×3072; Feature TB5: The size of the amorphous silicon flat panel imager is greater than 43 cm×43 cm.

5. The medical radiation detection device according to claim 2, wherein It further includes a lifting strut (610), the detection bed (600) is connected to the lifting strut (610), and the lifting strut (610) can drive the detection bed (600) to move up and down.

6. The medical radiation detection device according to claim 2, wherein It further includes a support frame B (810) and a rotational connection device (820). The support frame B (810) is mechanically coupled to the support frame A (100) through the rotational connection device (820). The support frame B (810) supports the detection bed (600), and the support frame B (810) can drive the detection bed (600) to rotate around the rotational connection device (820).

7. The medical radiation detection device according to claim 2, wherein It further includes a support frame C (910). The bottom of the support frame C (910) is connected to at least 3 universal wheels (920). The support frame C (910) supports the detection bed (600), and the support frame C (910) can drive the detection bed (600) to rotate. At least one universal wheel (920) has a locking mechanism.

8. The medical radiation detection device according to claim 2, wherein It includes a relative position detection device (990). The relative position detection device (990) includes a position signal transmitter and a position signal detector. The position signal transmitter and the position signal detector are respectively installed on one side of the detection bed (600) and one side of the rotating arm (200). The control module (300) detects the relative position between the detection bed (600) and the rotating arm (200).

9. The medical radiation detection device according to claim 1, wherein it includes a rotational safety detection module (980), and the rotational safety detection module (980) is installed on the rotating arm (200); the rotational safety detection module (980) detects objects in the rotational direction, and if there is a foreign object in the rotational direction, the rotating arm (200) is prohibited from rotating.

10. The medical radiation detection device according to claim 1, wherein the control module (300) can control the rotating arm (200) to rotate to a set angle, control the radiation source (210) to emit a radiation signal, control the imager (220) to detect the radiation signal value, and perform dynamic two-dimensional imaging on the detection object.

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