Scanning method, storage medium and medical equipment

Abstract

The invention relates to a scanning method, a storage medium and medical equipment. The scanning method comprises the steps that the contour of a patient on a scanning bed is acquired; dividing the scanning range into at least one full-coverage area and at least one non-full-coverage area which are arranged along the first direction based on the contour, wherein the size of the full-coverage area along the second direction is smaller than or equal to the scanning width of the probe along the second direction; the size of the non-full coverage area along the second direction is greater than the scanning width of the probe along the second direction; and scanning the patient in the at least one full coverage area and the at least one non-full coverage area by using the SPECT equipment, and when scanning the non-full coverage area, moving the probe along a second direction. Through the scanning method, the patient does not need to scan left and right, and the comfort of the patient is improved; meanwhile, the probe does not need to scan the patient for at least two times in the first direction, so that the examination efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of medical device technology, and in particular to a scanning method, a storage medium and a medical device. Background Art

[0002] Scanning medical equipment is used to scan the patient's entire body, such as a dual-probe SPECT device. The main purpose of scanning with a dual-probe SPECT device is to obtain a SPECT projection image of the patient's anterior-posterior position in a one-time examination to evaluate the whole-body metabolism, which is common in whole-body bone scans.

[0003] In the related art, the probe is fixed on the frame, and the scanning field of view of the probe along the width direction of the patient's body is limited. The scanning width of the probe is related to the width of the probe. This means that for patients with ultra-lateral field of view (such as obese people), supplementary scanning beyond the field of view must be performed, such as the patient turning left and right respectively for rescanning.

[0004] However, left and right sideways scanning reduces the patient's examination comfort and accuracy, and the examination efficiency is low. Summary of the invention

[0005] Based on this, it is necessary to provide a scanning method, storage medium and medical equipment for patients with ultra-lateral field of view who need to be scanned sideways to the left or right.

[0006] A scanning method, applied to a SPECT device, comprising:

[0007] Get the patient's outline on the scanning bed;

[0008] Based on the profile, the scanning range is divided into at least one full coverage area and at least one non-full coverage area arranged along the first direction, wherein the size of the full coverage area along the second direction is less than or equal to the scanning width of the probe along the second direction; and the size of the non-full coverage area along the second direction is greater than the scanning width of the probe along the second direction;

[0009] The patient is scanned in at least one of the fully covered areas and at least one of the non-fully covered areas using the SPECT device, and when scanning the non-fully covered areas, the probe moves along the second direction.

[0010] In one embodiment, the non-full coverage area includes at least two adjacent non-full coverage units, each of the non-full coverage units has a first end and a second end arranged in sequence along the second direction, and the first ends of all the non-full coverage units are located on the same side of the contour;

[0011] The method of scanning the patient in at least one of the non-full coverage areas using a SPECT device comprises:

[0012] The probe moves and scans from the first end to the second end of the first non-full coverage unit;

[0013] Moving the probe from the second end of the first non-full-covering unit to the second end of the second non-full-covering unit;

[0014] The probe moves and scans from the second end of the second non-full-covering unit to the first end of the second non-full-covering unit.

[0015] In one embodiment, the method of moving the scanning range of the probe from the second end of the first non-full coverage unit to the second end of the second non-full coverage unit includes:

[0016] The scanning bed moves along a second direction relative to the probe.

[0017] In one embodiment, the method of scanning the patient in at least one of the fully covered areas and at least one of the non-fully covered areas using the SPECT device further includes:

[0018] When scanning the full coverage area, the probe is fixed at the middle of the frame along the second direction, and the scanning bed moves along the first direction, so that the probe scans along the first direction.

[0019] In one embodiment, the method of scanning the patient in at least one of the fully covered areas and at least one of the non-fully covered areas using the SPECT device further includes:

[0020] The scanning bed moves along a first direction relative to the probe, so as to convert the scanning range of the probe from the full coverage area to the non-full coverage area.

[0021] In one of the embodiments, for the full coverage areas and non-full coverage areas sequentially arranged along the first direction, after the probe completes scanning of the full coverage areas, the scanning bed moves relative to the probe along the first direction;

[0022] The probe moves from the middle of the frame along the second direction to the first end of the non-full coverage area, and moves and scans from the first end to the second end, wherein the distance between the first end and the middle of the frame along the second direction is less than or equal to the distance between the second end and the middle of the frame along the second direction.

[0023] In one of the embodiments, for the non-full coverage area and the full coverage area sequentially arranged along the first direction, after the probe completes scanning the non-full coverage area, the probe returns to the middle of the rack along the second direction;

[0024] The scanning bed moves, and the probe scans along a first direction.

[0025] In one embodiment, the method for obtaining the outline of the patient on the scanning bed includes: scanning the patient by a camera or a CT machine.

[0026] A storage medium stores program instructions, and when the program instructions are run, the scanning method is executed.

[0027] A medical device used for the scanning method, the medical device comprises a scanning bed, a probe and a frame, the frame is provided with a scanning cavity, the scanning bed can move relative to the frame along a first direction to enter and exit the scanning cavity, and the probe is movably arranged on the frame along a second direction.

[0028] The above scanning method, storage medium and medical device first obtain the outline of the patient on the scanning bed, and then divide the outline into a full coverage area and a non-full coverage area along the first direction according to whether the size of the outline along the second direction exceeds the scanning width of the probe along the second direction. In the full coverage area, the scanning width of the probe along the second direction is greater than or equal to the body outline of the patient in the area, which means that the scanning width of the probe along the second direction can cover the area. At this time, it is only necessary to move the probe relative to the scanning bed along the first direction. In the non-full coverage area, the scanning width of the probe along the second direction is less than the body outline of the patient in the area, which means that the scanning width of the probe along the second direction cannot cover the area. At this time, the probe is moved along the second direction while scanning to complete the scanning of the non-full coverage area. That is, through the above scanning method, there is no need for the patient to scan sideways to the left and right, which improves the patient's comfort; at the same time, there is no need for the probe to scan the patient at least twice along the first direction, thereby improving the inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A step diagram of a scanning method in an embodiment.

[0030] Figure 2 It is a schematic diagram of the structure of obtaining the outline of a patient on a scanning bed in one embodiment.

[0031] Figure 3 It is a schematic diagram of dividing the outline into a full coverage area and a non-full coverage area along a first direction in an embodiment.

[0032] Figure 4 Schematic diagram of the structure of a medical device in one embodiment.

[0033] Figure 5 A step diagram of a scanning method in an embodiment.

[0034] Figure numerals: 10, full coverage area; 20, non-full coverage area; 21, non-full coverage unit; 211, first non-full coverage unit; 212, second non-full coverage unit; 213, third non-full coverage unit; 214, fourth non-full coverage unit; 25, first end; 26, second end; 30, scanning bed; 40, contour; 50, frame; 51, scanning cavity; 60, probe. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0036] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0037] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0039] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0040] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0041] See also Figure 1-Figure 4 The scanning method provided in one embodiment of the present application is specifically applied to SPECT equipment. SPECT equipment is generally used for whole-body bone imaging, thyroid imaging, renal dynamic imaging, lymphatic imaging, myocardial imaging, etc. SPECT equipment includes a single-probe SPECT equipment or a dual-probe SPECT equipment. The single-probe SPECT equipment is a SPECT equipment that has only one probe 60 on the frame 50, and the patient on the scanning bed is scanned by the probe 60. The dual-probe 60 SPECT equipment is a SPECT equipment that has probes 60 on the upper and lower sides of the frame 50, respectively, to scan and obtain the patient's anterior and posterior SPECT projection images. Among them, the patient's contour or the patient's local body contour can be scanned during the scanning.

[0042] Specifically, the scanning method includes:

[0043] Acquiring a contour 40 of the patient on the scanning bed 30;

[0044] Based on the profile 40, the scanning range is divided into at least one full coverage area 10 and at least one non-full coverage area 20 arranged along the first direction OY, the size of the full coverage area 10 along the second direction OX is less than or equal to the scanning width of the probe 60 along the second direction OX; the size of the non-full coverage area 20 along the second direction OX is greater than the scanning width of the probe 60 along the second direction OX;

[0045] The SPECT device is used to scan the patient in at least one of the fully covered areas 10 and at least one of the non-fully covered areas 20. When scanning the non-fully covered areas 20, the probe 60 moves along the second direction OX.

[0046] In this embodiment, the patient's profile 40 on the scanning bed 30 is first obtained, and then the profile 40 is divided into a full coverage area 10 and a non-full coverage area 20 along the first direction OY according to whether the size of the profile 40 along the second direction OX exceeds the scanning width of the probe 60 along the second direction OX. In the full coverage area 10, the scanning width of the probe 60 along the second direction OX is greater than or equal to the body profile 40 of the patient in the area, which means that the scanning width of the probe 60 along the second direction OX can cover the area. In this case, the probe 60 only needs to be moved relative to the scanning bed 30 along the first direction OY. In the non-full coverage area 20, the scanning width of the probe 60 along the second direction OX is less than the body profile 40 of the patient in the area, which means that the scanning width of the probe 60 along the second direction OX cannot cover the area. In this case, the probe 60 is moved along the second direction OX while scanning, and the scanning of the non-full coverage area 20 can be completed. That is, through the above scanning method, the patient does not need to be scanned sideways, thereby improving the patient's comfort; at the same time, it is not necessary for the probe 60 to scan the patient at least twice along the first direction OY, thereby improving the inspection efficiency.

[0047] It should be noted that the outline 40 may be the whole body outline or a partial outline of the patient, such as the upper body outline of the patient. The present application uses the whole body outline of the patient as an example for explanation.

[0048] After acquiring the patient's whole-body contour, the size of the contour 40 along the second direction OX is compared with the scanning width of the probe 60 along the second direction OX, and multiple positions where the size of the contour 40 along the second direction OX is equal to the scanning width of the probe 60 along the second direction OX are acquired. The contour 40 is divided into contour segments exceeding the scanning width, contour segments equal to the scanning width, and contour segments less than the scanning width through the above multiple positions. In the contour segment exceeding the scanning width, the size of the contour 40 along the second direction OX is greater than the scanning width of the probe 60 along the second direction OX; in the contour segment equal to the scanning width, the size of the contour 40 along the second direction OX is equal to the scanning width of the probe 60 along the second direction OX; in the contour segment less than the scanning width, the size of the contour 40 along the second direction OX is less than the scanning width of the probe 60 along the second direction OX. Among them, the contour segment exceeding the scanning width is regarded as a non-full coverage area 20, and the contour segment equal to the scanning width and the contour segment less than the scanning width are regarded as a full coverage area 10. Combined with Figure 1In the scanning range, from the head to the feet of the patient, the scanning range includes the full coverage area 10, the non-full coverage area 20, the full coverage area 10 and the non-full coverage area 20 arranged in sequence along the second direction OX.

[0049] After the outline 40 is divided into the full coverage area 10 and the non-full coverage area 20 along the first direction OY, the probe is used to scan the patient in sequence along the first direction OY.

[0050] In some embodiments, the non-fully covered area 20 includes at least two adjacent non-fully covered units 21, each of the non-fully covered units 21 has a first end 25 and a second end 26 arranged in sequence along the second direction OX, and the first ends 25 of all the non-fully covered units 21 are located on the same side of the contour 40; the step of scanning a patient in at least one non-fully covered area 20 using a SPECT device includes:

[0051] The probe 60 moves and scans from the first end 25 of the first non-fully covered unit 21 to the second end 26 of the first non-fully covered unit 21;

[0052] The scanning range of the probe 60 is switched from the second end 26 of the first non-full-covering unit 21 to the second end 26 of the second non-full-covering unit 21;

[0053] The probe 60 moves and scans from the second end 26 of the second non-fully covered unit 21 toward the first end 25 of the second non-fully covered unit 21 .

[0054] In this embodiment, when scanning the non-full coverage area 20, the probe 60 moves along the second direction OX and scans at the same time, so that the probe 60 can scan the corresponding non-full coverage area 20. Among them, the length of the non-full coverage area 20 along the first direction OY is relatively long, so the non-full coverage area 20 is divided into a plurality of non-full coverage units arranged in sequence along the first direction OY, and except for the last non-full coverage unit, the size of the other non-full coverage units along the first direction OY is the same as the scanning size of the probe 60 along the first direction OY, and the size of the last non-full coverage unit along the first direction OY is less than or equal to the scanning size of the probe 60 along the first direction OY.

[0055] Specific, combined Figure 3, taking the non-full coverage area 20 including the first non-full coverage unit 211, the second non-full coverage unit 212, the third non-full coverage unit 213 and the fourth non-full coverage unit 214 as an example, the sizes of the first non-full coverage unit 211, the second non-full coverage unit 212 and the third non-full coverage unit 213 along the first direction OY are the same as the scanning size of the probe 60 along the first direction OY, and the size of the fourth non-full coverage unit 214 along the first direction OY is less than or equal to the scanning size of the probe 60 along the first direction OY. Specifically, when the size of the non-full coverage area 20 along the first direction OY cannot divide the scanning size of the probe 60 along the first direction OY, the size of the last non-full coverage unit 214 along the first direction OY is less than the scanning size of the probe 60 along the first direction OY; when the size of the non-full coverage area 20 along the first direction OY can divide the scanning size of the probe 60 along the first direction OY, the size of the last non-full coverage unit 214 along the first direction OY is equal to the scanning size of the probe 60 along the first direction OY.

[0056] When scanning the first non-fully covered unit 211, the probe 60 is first moved to the first end 25 or the second end 26 of the first non-fully covered unit 211. Specifically, the end that is shorter in distance from the probe is preferably selected. For example, if the distance from the probe 60 to the first end 25 is smaller than the distance from the probe 60 to the second end 26, the probe 60 moves to the first end 25 of the first non-full coverage unit 211; otherwise, the probe 60 moves to the second end 26 of the first non-full coverage unit 211, and the first end 25 is taken as an example for description herein; then the probe 60 moves from the first end 25 of the first non-full coverage unit 211 to the second end 26 of the first non-full coverage unit 211 along the second direction OX and scans, and then the frame 50 drives the probe 60 to move along the first direction OY or the bed moves along the first direction OY, so that the scanning range of the probe 60 is located within the second non-full coverage unit 21, and the probe 60 moves to the second end 26 of the second non-full coverage unit 212, and then moves from the second end 26 of the second non-full coverage unit 212 to the second end 26 of the second non-full coverage unit 212 along the second direction OX. Then the rack 50 drives the probe 60 to move along the first direction OY or the bed body moves along the first direction OY, so that the scanning range of the probe 60 is located at the third non-full coverage unit 21, the probe 60 moves to the first end 25 of the third non-full coverage unit 213, and then moves along the second direction OX from the first end 25 of the third non-full coverage unit 213 to the second end 26 of the third non-full coverage unit 213 and scans; finally, the rack 50 drives the probe 60 to move along the first direction OY or the bed body moves along the first direction OY, so that the scanning range of the probe 60 is located at the fourth non-full coverage unit 214, the probe 60 moves to the second end 26 of the fourth non-full coverage unit 214, and then moves along the second direction OX from the second end 26 of the fourth non-full coverage unit 214 to the first end 25 of the fourth non-full coverage unit 214 for scanning. That is, the above-mentioned probe 60 uses the above-mentioned path for scanning, the movement path of the probe 60 is the shortest, the scanning time is the shortest, and the scanning efficiency is high.

[0057] In some embodiments, for two adjacent non-fully covered units 21, a method of moving the probe 60 from the second end 26 of the first non-fully covered unit 21 to the second end 26 of the second non-fully covered unit 21 includes:

[0058] The scanning bed 30 moves along the first direction OY relative to the probe 60 .

[0059] In this embodiment, after the probe 60 completes scanning of the first non-fully covered unit 21, the probe 60 remains stationary, and the scanning bed 30 moves relative to the probe 60 along the first direction OY, so that the probe 60 moves from the first non-fully covered unit 21 to the second non-fully covered unit 21. The bed moves relative to the probe 60 along the first direction OY, that is, the position of the frame 50 remains fixed, which is conducive to simplifying the structure of the frame 50.

[0060] In some other embodiments, after the probe 60 completes scanning of the first non-covered unit, the scanning bed 30 remains stationary, the probe 60 is located on the frame 50, and the frame 50 moves along the first direction OY relative to the scanning bed 30, so that the probe 60 moves from the first non-fully covered unit 21 to the second non-fully covered unit 21.

[0061] In some embodiments, a method for scanning a patient in at least one full coverage area 10 and at least one non-full coverage area 20 using a SPECT device includes: when scanning the full coverage area 10, the position of the probe 60 is fixed, and the scanning bed 30 moves along the first direction OY so that the probe 60 scans along the first direction OY.

[0062] In this embodiment, the probe 60 is arranged on the frame 50. The structure of the frame 50 is relatively complex, while the structure of the bed is relatively simple. Therefore, when scanning the full coverage area 10, the probe 60 and the frame 50 remain stationary, and the scanning bed 30 moves along the first direction OY so that the probe 60 scans along the first direction OY, which is conducive to simplifying the entire structure.

[0063] Furthermore, when scanning the full coverage area 10, the probe 60 is fixed to the middle of the frame 50 along the second direction OX. A scanning cavity is provided on the frame 50, and the bed is centrally arranged in the scanning cavity. The patient lies centrally on the scanning bed 30, and the probe 60 is fixed to the middle of the frame 50 along the second direction OX, which is conducive to coinciding with the midline of the patient's contour 40 along the second direction OX, and is convenient for covering the patient's contour 40 along the second direction OX.

[0064] In some embodiments, a method for scanning a patient in at least one full coverage area 10 and at least one non-full coverage area 20 using a SPECT device includes: a scanning bed 30 moves along a first direction OY relative to a probe 60, so as to convert the scanning range of the probe 60 from the full coverage area 10 to the non-full coverage area 20, or to convert the probe 60 from the non-full coverage area 20 to the full coverage area 10.

[0065] That is, in this embodiment, the scanning bed 30 is used to drive the patient to move along the first direction OY, so that the probe 60 scans directly along the second direction OX in the full coverage area 10, or the probe 60 switches between the full coverage area 10 and the non-full coverage area 20 along the first direction OY.

[0066] Of course, in other embodiments, the probe 60 may be located on the frame 50 , and the frame 50 moves along the first direction OY relative to the scanning bed 30 to switch the scanning range of the probe 60 from the full coverage area 10 to the non-full coverage area 20 .

[0067] In some of the embodiments, for the full coverage area 10 and the non-full coverage area 20 arranged in sequence along the first direction OY, after the probe 60 completes scanning the full coverage area 10, the scanning bed 30 moves relative to the probe 60; the probe 60 moves from the middle of the frame 50 along the second direction OX to the first end 25 of the non-full coverage area 20, and moves from the first end 25 to the second end 26 for scanning, wherein the distance between the first end 25 and the middle of the frame 50 along the second direction OX is less than or equal to the distance between the second end 26 and the middle of the frame 50 along the second direction OX.

[0068] In this embodiment, after the probe 60 completes scanning the full coverage area 10, the probe 60 first moves to one end of the non-full coverage area 20 close to the middle of the frame 50 to minimize the moving distance of the probe 60, thereby improving the scanning efficiency.

[0069] In some other embodiments, for the non-full coverage area 20 and the full coverage area 10 arranged in sequence along the first direction OY, after the probe 60 completes scanning the non-full coverage area 20, the probe 60 returns to the middle of the frame 50 along the second direction OX; then the scanning bed 30 moves, and the probe 60 scans in the first direction OY.

[0070] In this embodiment, after the probe 60 completes scanning the non-full coverage area 20 , the probe 60 returns to the middle of the frame 50 along the second direction OX to facilitate scanning the full coverage area 10 .

[0071] In some embodiments, the method of obtaining the patient outline 40 includes: scanning the patient through a camera or a CT machine.

[0072] In some of the embodiments, a camera is arranged above the scanning bed 30, for example, a camera is arranged on the ceiling above the scanning bed 30. After the patient lies on the scanning bed 30, the camera can capture the patient's body, and then the image processor selectively captures the image according to the body part to be acquired, and then grayscale processes the captured image, and finally uses an edge detection algorithm to extract the edge of the patient's contour.

[0073] In some other embodiments, the patient may be scanned by the CT machine after lying on the scanning bed 30. During scanning, the patient is first made to lie on a specific position on the scanning bed, and then the scanning bed is started to send the patient into the scanning cavity. At the same time, the operator starts the scanning program, and the X-ray tube of the CT machine emits X-rays to the patient's body. The scanning bed moves slowly and uniformly, and the detector receives the X-ray signals passing through the body at the same time, that is, it can scan continuously to obtain the desired patient's body contour.

[0074] Combination Figure 5 , the scanning method further includes:

[0075] The probe scans the Nth area using the above scanning method to obtain scanning data in the Nth area, the Nth area is the full coverage area 10 or the non-full coverage area 20, and N is a positive integer greater than or equal to 1; Figure 3 For example, when N is 1, the first area is the full coverage area 10, which is used to scan the patient's head;

[0076] The scan data in the Nth region is corrected according to an external signal or a data-driven motion signal to obtain reconstructed data of the Nth region; wherein the external signal or the data-driven motion signal is used to obtain a patient's movement signal, so as to correct the scan data in the Nth region according to the movement signal. The purpose of correcting the data file is to prevent the patient from moving a body part during the scanning of the Nth region, which may cause deviation in the reconstructed data;

[0077] The probe moves from the Nth area to the N+1th area using the above scanning method to obtain data during the movement from the Nth area to the N+1th area. Specifically, taking the scanning bed 30 moving relative to the probe 60 along the first direction so that the probe moves from the first area to the second area as an example, that is, when the scanning bed 30 is moving, the probe 60 can scan the data during the movement from the first area to the second area.

[0078] The probe moves in the N+1th area using the above scanning method to obtain scanning data in the N+1th area, and corrects the data in the N+1th area according to the external signal or the data-driven motion signal to obtain the initial data of the N+1th area; wherein the N+1th area is the full coverage area 10 or the non-full coverage area 20. When N is 1, Figure 3 For example, the second area is a non-full coverage area 20, which is used to scan the patient's shoulder;

[0079] According to an external signal or a data-driven motion signal, and based on the data during the movement from the Nth area to the N+1th area, the initial data in the N+1th area is corrected to obtain the reconstructed data in the N+1th area; wherein the purpose of correcting the data in the N+1th area is to prevent the patient from moving during the movement from the Nth area to the N+1th area, resulting in deviation of the reconstructed data in the N+1th area;

[0080] The probe moves from the N+1th area to the N+2th area using the above scanning method to obtain data during the movement from the N+1th area to the N+2th area;

[0081] The probe moves in the N+2th area using the above scanning method to obtain scanning data in the N+2th area, and corrects the data in the N+2th area according to the external signal or the data-driven motion signal to obtain the initial data of the N+2th area; wherein the N+2th area is the full coverage area 10 or the non-full coverage area 20. When N is 1, Figure 3 For example, the third area is the full coverage area 10, which is used to scan the patient's chest;

[0082] According to the motion signal driven by the external signal or the data, and based on the data in the process of moving from the N+1th area to the N+2th area, the initial data in the N+2th area is corrected to obtain the reconstructed data in the N+2th area. Similarly, the purpose of correcting the data in the N+2th area is to prevent the patient from moving in the process of moving from the N+1th area to the N+2th area, which may cause the data of the reconstructed N+2th area to be biased;

[0083] Repeat the above steps until the probe has completed scanning all areas.

[0084] In addition, the Nth area may also be the non-full coverage unit 21 in the non-full coverage area 20. For example, the probe is used to obtain data during the movement from the first non-full coverage unit to the second non-full coverage unit for correcting the data of the second non-full coverage unit.

[0085] The external signal can be collected by means of ANZAI belt equipment, electrocardiogram (ECG), etc. The data-driven motion signal can be collected by means of COD (Centroid Of Distribution), Proper orthogonal decomposition (POD) or principal component analysis (PCA), etc.

[0086] In one embodiment of the present application, a storage medium is disclosed, which stores program instructions, and the program instructions execute the scanning method when running. Among them, the scanning method disclosed in the present invention can be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps in the scanning method. Of course, the storage medium can also be a chip, a USB flash drive, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a disk or an optical disk, and other media that can store program codes.

[0087] In one embodiment of the present application, an imaging device is disclosed, which includes a scanning bed 30, a probe 60 and a frame 50. A scanning cavity 51 is provided on the frame 50. The scanning bed 30 can move relative to the frame 50 along a first direction OZ to enter and exit the scanning cavity 51. The probe 60 is movably arranged on the frame 50 along a second direction OX.

[0088] Specifically, a slide rail arranged along the second direction OX is arranged on the frame, and the probe is arranged in the slide rail through a slider. When the slider moves, it is used to drive the probe to move along the second direction OX to perform mobile scanning.

[0089] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0090] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A scanning method, applied to a SPECT device, characterized in that: include: Acquiring a contour (40) of a patient on a scanning bed (30); Based on the profile (40), the scanning range is divided into at least one full coverage area (10) and at least one non-full coverage area (20) arranged along a first direction, wherein the size of the full coverage area (10) along a second direction is less than or equal to the scanning width of the probe (60) along the second direction; and the size of the non-full coverage area (20) along the second direction is greater than the scanning width of the probe (60) along the second direction; The SPECT device is used to scan the patient in at least one of the fully covered areas (10) and at least one of the non-fully covered areas (20); when scanning the non-fully covered areas (20), the probe (60) moves along the second direction.

2. The scanning method according to claim 1, characterized in that: The non-full-covering area (20) comprises at least two adjacent non-full-covering units (21), each of the non-full-covering units (21) having a first end (25) and a second end (26) arranged in sequence along the second direction, and the first ends (25) of all the non-full-covering units (21) are located on the same side of the contour (40); The method of scanning the patient in at least one of the non-fully covered areas (20) using a SPECT device comprises: The probe (60) moves and scans from a first end (25) to a second end (26) of the first non-full-covering unit (21); Moving the probe (60) from the second end (26) of the first non-full-covering unit (21) to the second end (26) of the second non-full-covering unit (21); The probe (60) moves and scans from the second end (26) of the second non-fully covered unit (21) toward the first end (25) of the second non-fully covered unit (21).

3. The scanning method according to claim 2, characterized in that: The method of moving the probe (60) from the second end (26) of the first non-full-covering unit (21) to the second end (26) of the second non-full-covering unit (21) comprises: The scanning bed (30) moves along a first direction relative to the probe (60).

4. The scanning method according to claim 1, characterized in that: The method of using the SPECT device to scan the patient in at least one of the fully covered areas (10) and at least one of the non-fully covered areas (20) further comprises: When scanning the full coverage area (10), the probe (60) is fixed to the middle of the frame (50) along the second direction, and the scanning bed (30) moves along the first direction, so that the probe (60) scans along the first direction.

5. The scanning method according to claim 4, characterized in that: The method of using the SPECT device to scan the patient in at least one of the fully covered areas (10) and at least one of the non-fully covered areas (20) further comprises: The scanning bed (30) moves along a first direction relative to the probe (60) so as to convert the scanning range of the probe (60) from the full coverage area (10) to the non-full coverage area (20).

6. The scanning method according to claim 5, characterized in that: For the full coverage area (10) and the non-full coverage area (20) arranged in sequence along a first direction, after the probe (60) completes scanning of the full coverage area (10), the scanning bed (30) moves relative to the probe (60) along the first direction; The probe (60) moves from the middle of the frame (50) along the second direction to the first end (25) of the non-full coverage area (20), and moves from the first end (25) to the second end (26) for scanning, wherein the distance between the first end (25) and the middle of the frame (50) along the second direction is less than or equal to the distance between the second end (26) and the middle of the frame (50) along the second direction.

7. The scanning method according to claim 5, characterized in that: For the non-full coverage area (20) and the full coverage area (10) arranged in sequence along the first direction, after the probe (60) completes scanning of the non-full coverage area (20), the probe (60) returns to the middle of the frame (50) along the second direction; The scanning bed (30) moves, and the probe (60) scans along a first direction.

8. The scanning method according to claim 1, characterized in that: The method for obtaining the outline (40) of a patient on a scanning bed (30) comprises: scanning the patient by means of a camera or a CT machine.

9. A storage medium storing program instructions, characterized in that: When the program instructions are executed, the scanning method according to any one of claims 1 to 8 is executed.

10. A medical device for scanning based on the scanning method according to any one of claims 1 to 8, characterized in that: The medical device comprises a scanning bed (30), a probe (60) and a frame (50); a scanning cavity (51) is provided on the frame (50); the scanning bed (30) is movable relative to the frame (50) along a first direction so as to enter and exit the scanning cavity (51); and the probe (60) is movably arranged on the frame (50) along a second direction.

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