CN117796836A - Image data processing device for positron emission tomography equipment - Google Patents
Image data processing device for positron emission tomography equipment Download PDFInfo
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- CN117796836A CN117796836A CN202410233371.8A CN202410233371A CN117796836A CN 117796836 A CN117796836 A CN 117796836A CN 202410233371 A CN202410233371 A CN 202410233371A CN 117796836 A CN117796836 A CN 117796836A
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- 238000012545 processing Methods 0.000 title claims abstract description 26
- 238000002600 positron emission tomography Methods 0.000 title claims abstract description 18
- 238000005481 NMR spectroscopy Methods 0.000 claims abstract description 48
- 238000002591 computed tomography Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims description 27
- 230000005489 elastic deformation Effects 0.000 claims description 7
- 210000000056 organ Anatomy 0.000 claims description 6
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- 238000012937 correction Methods 0.000 claims description 3
- 238000013135 deep learning Methods 0.000 claims description 3
- 238000013136 deep learning model Methods 0.000 claims description 3
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- 230000008569 process Effects 0.000 description 10
- 238000007142 ring opening reaction Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012879 PET imaging Methods 0.000 description 2
- 239000012216 imaging agent Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004310 Ion Channels Human genes 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000890 antigenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004066 metabolic change Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 238000012636 positron electron tomography Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 102000005962 receptors Human genes 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
- A61B5/0035—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A—HUMAN NECESSITIES
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- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
- A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
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Abstract
The invention relates to the technical field of image data processing, in particular to an image data processing device for positron emission tomography equipment, which comprises: the acquisition module is used for acquiring nuclear magnetic resonance three-dimensional scanning images and positron emission computed tomography images corresponding to the same scanning area, and comprises a nuclear magnetic resonance three-dimensional scanner, wherein a bed body of the nuclear magnetic resonance three-dimensional scanner is provided with a reserved groove, and the inside of the reserved groove is connected with a supporting plate in a sliding manner; when the support plate is not pushed into the reserved groove, the support frame is adjusted to be perpendicular to the support plate, after a patient is pushed by the support plate to be transferred to the position of the nuclear magnetic resonance three-dimensional scanner, one end of the support plate is slid into the reserved groove, a group of support frames are adjusted to be horizontally arranged in the bottom groove, the support plate is continuously pushed to the inside of the reserved groove, after half of the support plate is pushed into the reserved groove, another group of support frames are adjusted to be horizontally arranged in the bottom groove, the support plate is continuously pushed into the reserved groove completely, and the patient is horizontally pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner.
Description
Technical Field
The invention relates to the technical field of image data processing, in particular to an image data processing device for positron emission tomography equipment.
Background
Positron emission computed tomography is known as: positron emission type computer tomography is a relatively advanced clinical examination imaging technology in the field of nuclear medicine; PET adopts annihilation radiation and positron collimation (or photon collimation) technology, the spatial distribution, the number and the dynamic change of PET imaging agent or metabolite molecules thereof in living bodies are measured in a non-invasive, quantitative and dynamic manner from outside bodies, and the image information of biochemical, physiological and functional metabolic changes generated by the interaction of the PET imaging agent and targets (such as receptors, enzymes, ion channels, antigenic determinants and nucleic acids) in the living bodies is obtained from the molecular level, so that important data is provided for clinical research.
In the prior art, a nuclear magnetic resonance three-dimensional scanner is adopted to perform positron emission computed tomography, a patient lies on a bed body of the nuclear magnetic resonance three-dimensional scanner, but for a patient lying for a long time, climbing to the bed body of the nuclear magnetic resonance three-dimensional scanner is inconvenient, after the patient is pushed to a place where the nuclear magnetic resonance three-dimensional scanner is located by adopting a cart, a plurality of people are required to lift the patient to the nuclear magnetic resonance three-dimensional scanner, and discomfort is caused in the process of lifting the patient.
Therefore, an image data processing device for positron emission tomography equipment is needed to solve the problem that a bed body of an existing nuclear magnetic resonance three-dimensional scanner and a patient trolley lack a connection structure, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
Disclosure of Invention
The invention aims to provide an image data processing device for positron emission tomography equipment, which solves the problem that a bed body of an existing nuclear magnetic resonance three-dimensional scanner and a patient trolley provided in the background art lack of a connection structure, and can push a patient onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
In order to achieve the above purpose, the present invention provides the following technical solutions: an image data processing apparatus for a positron emission tomography apparatus, comprising:
the acquisition module is used for acquiring nuclear magnetic resonance three-dimensional scanning images and positron emission type computer tomography images corresponding to the same scanning area, and comprises a nuclear magnetic resonance three-dimensional scanner, a reserved groove is formed in a bed body of the nuclear magnetic resonance three-dimensional scanner, a supporting plate is connected inside the reserved groove in a sliding mode, a bottom groove is formed in the bottom surface of the supporting plate, two groups of supporting frames are connected inside the bottom groove in a rotating mode, universal wheels are installed at one ends of the supporting frames, a backup plate is fixed on the top surface of the bottom groove, a positioning inserting plate is movably inserted on the surface of the backup plate, one end of the positioning inserting plate is inserted on the surface of the clamping groove, a containing groove is formed in the top surface of a bottom plate of the supporting plate, a positioning inserting handle is movably inserted on the bottom surface of the containing groove, a rotating disc is connected inside the containing groove, an avoidance groove is formed in the surface of the rotating disc, the avoidance groove is opposite to the positioning inserting handle when the supporting frames are transversely arranged inside the bottom groove, and the positioning inserting handle abuts against the top end of the supporting frames; when the support frame is perpendicular to the supporting plate, the avoiding groove and the positioning inserting handle are misplaced, and one end of the positioning inserting handle is inserted into the clamping groove to limit the support frame;
the image processing module is used for processing the nuclear magnetic resonance three-dimensional scanning image and acquiring two-dimensional slice images with preset sizes in different directions;
the deep learning module is used for inputting the two-dimensional slice image into a deep learning model to obtain each tissue and organ image;
the attenuation coefficient distribution module is used for distributing attenuation coefficients to voxels corresponding to the tissue organ images to obtain an attenuation coefficient graph; obtaining attenuation map estimation according to the attenuation coefficient map;
and the correction module is used for correcting the positron emission type computer tomography image according to the attenuation map estimation.
Preferably, the reservation groove is isosceles trapezoid groove, the long limit length of reservation groove is less than the long limit length of nuclear magnetic resonance three-dimensional scanner's bed body, and the layer board is isosceles trapezoid frame structure, and notch one has all been seted up at the bottom plate both ends of layer board, is fixed with the pull rod between the lateral wall of two parallel distributions of notch one, and the fixed surface of reservation groove has the limiting plate, and after the layer board inserted the reservation groove, the limiting plate inserts in the notch one.
Preferably, the socket has been seted up on the surface of limiting plate, the inside activity grafting of socket has the fender frame, the fender frame is the "U" font framework of inversion, the surface of fender frame is equipped with inclined plane one, inclined plane one is towards the layer board, be fixed with the rubber fagging between the roof bottom surface of fender frame and the bottom surface of reservation groove, all be fixed with the gleitbretter on the curb plate of two parallel distribution of fender frame, gleitbretter sliding connection is in the spacing groove, the bottom surface at the limiting plate is seted up to the spacing groove, the interval of limiting plate's bottom surface and reservation groove bottom surface equals the height of fender frame, the surface mounting of fender frame has the rubber strip, the top surface symmetric distribution of rubber strip and inclined plane one with regard to the fender frame, after the layer board inserts the reservation groove, the fender frame is supported by the rubber fagging, keep off in one side of pull rod.
Preferably, two first mounting grooves are formed in two side plates of the supporting plate, round rods are fixed between two parallel distributed side walls of the first mounting grooves, a sleeve is sleeved on the round rod on the top surface of one side plate of the supporting plate, a binding belt is fixed on the outer ring surface of the sleeve, the binding belt is wound on the sleeve, a plurality of rubber strips are fixed on the inner ring surface of the sleeve, and the rubber strips are clamped between the sleeve and the round rods to generate elastic deformation.
Preferably, the bottom groove runs through the layer board, is fixed with two horizontal poles between the lateral wall of two parallel distributions of bottom groove, and the horizontal pole runs through the support frame, and the universal wheel is equipped with a plurality ofly, and a plurality of universal wheels are arranged along the long limit of one end of support frame and are distributed, backup plate and horizontal pole one-to-one, and one side of backup plate orientation horizontal pole is the arc surface, and the support frame is the arc surface by the one end that the horizontal pole runs through, and the mouth has been seted up on the surface of backup plate, and the activity of location picture peg is pegged graft in the mouth of wearing.
Preferably, the one end that the horizontal pole was kept away from to the location picture peg has been seted up and has been lacked groove two, lack groove two and be equipped with two, two lack groove two and be about the face central symmetry distribution of location picture peg, the fixed surface of lacked groove two has the elastic webbing, the both ends of elastic webbing are fixed respectively on the surface of two parallel distributions of wearing mouth, the limit groove has been seted up to the one end that the horizontal pole was kept away from to the location picture peg, the limit groove is equipped with two, two limit grooves are about the symmetrical distribution of location picture peg, the one end of location picture peg is fixed with the pull ring, when the elastic webbing is in initial state, the location picture peg runs through the mouth and inserts in the draw-in groove, the draw-in groove runs through the support frame, and the draw-in groove is equipped with two, two draw-in grooves perpendicular distributions.
Preferably, the storage groove is a circular groove, a limiting shaft is fixed at the center of the circular surface of the storage groove, the rotary table is of a circular plate-shaped structure, the limiting shaft is a T-shaped circular rod, a rod body of the limiting shaft penetrates through an inner ring opening of the rotary table and then is fixed on the circular surface of the storage groove, the diameter of the circular surface of one end plate body of the limiting shaft is larger than the inner ring caliber of the rotary table, two finger grooves are formed in the surface of the rotary table, the finger grooves are symmetrically distributed about the inner ring opening of the rotary table, and the avoiding groove is located at the center of the circular arc surface between the two finger grooves.
Preferably, the surface fixing of finger groove has the rubber cover, and the rubber cover is "by" font annular plate structure, and the one end integrated into one piece that the inner ring mouth of carousel was kept away from to the rubber cover has the rubber post, and the rubber post centre gripping is between the outer ring face of carousel and the lateral wall of accomodating the groove, increases the rotation friction between carousel and the accomodating groove.
Preferably, the bottom surface of the storage groove is provided with a perforation, the positioning insert handle is movably inserted into the perforation, one end of the positioning insert handle, which is far away from the storage groove, is provided with a notch III, the inside of the notch III is inserted with a rubber belt, two ends of the rubber belt are respectively fixed on two side walls of the perforation, which are distributed in parallel, when the rubber belt is in an initial state, one end of the positioning insert handle is retracted into the perforation, and the other end of the positioning insert handle is inserted into the storage groove.
Preferably, the other end of the positioning plug handle is provided with two inclined planes, the two inclined planes are distributed in an eight shape, and the two ends of the two inclined planes are provided with three inclined planes.
Compared with the prior art, the invention has the beneficial effects that:
when the supporting plate is not pushed into the reserved groove, the supporting frame is adjusted to be vertical to the supporting plate, after a patient is pushed by the supporting plate to be transferred to the position of the nuclear magnetic resonance three-dimensional scanner, one end of the supporting plate slides into the reserved groove, a group of supporting frames are adjusted and horizontally arranged in the bottom groove, the supporting plate is continuously pushed into the reserved groove, after half of the supporting plate is pushed into the reserved groove, another group of supporting frames are adjusted and horizontally arranged in the bottom groove, the supporting plate is continuously pushed into the reserved groove completely, and the patient is horizontally pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner; the bracket is matched with the binding belt to serve as a stretcher; the bracket is matched with the supporting plate and the universal wheels to serve as a transfer trolley; after the bracket is inserted into the reserved groove, the bracket is used as a part of the bed body of the nuclear magnetic resonance three-dimensional scanner; the bracket is multipurpose; the problem that the bed body of the existing nuclear magnetic resonance three-dimensional scanner and the patient trolley lack of a connecting structure is further solved, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the structure at A-A in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3A;
FIG. 5 is a schematic view of the pallet structure of the present invention;
FIG. 6 is a schematic view of the bottom structure of the pallet of the present invention;
FIG. 7 is a top view of the pallet structure of the present invention;
FIG. 8 is a cross-sectional view of the structure at B-B in FIG. 7;
FIG. 9 is an enlarged schematic view of the structure shown at B in FIG. 8;
FIG. 10 is a cross-sectional view of the structure of FIG. 7 at C-C;
FIG. 11 is an enlarged schematic view of the structure of FIG. 10 at C;
FIG. 12 is a cross-sectional view of the structure at D-D of FIG. 7;
FIG. 13 is an enlarged schematic view of the structure shown at D in FIG. 12;
FIG. 14 is a schematic view of a turntable according to the present invention;
FIG. 15 is a schematic view of the rubber boot structure of the present invention;
FIG. 16 is a schematic view of a positioning stem structure of the present invention;
FIG. 17 is a schematic view of a back plate structure of the present invention;
FIG. 18 is an enlarged schematic view of the structure of FIG. 17 at E;
FIG. 19 is a schematic view of the structure of the support plate of the present invention;
FIG. 20 is an enlarged schematic view of the structure shown at F in FIG. 19;
FIG. 21 is a schematic view of the rear structure of the vertical pallet of the support plate of the present invention;
FIG. 22 is a top view of the rear structure of the support plate vertical pallet of the present invention;
FIG. 23 is a cross-sectional view of the structure of FIG. 22 at E-E;
FIG. 24 is an enlarged schematic view of the structure at G in FIG. 23;
FIG. 25 is a schematic view of a connection structure of a limiting plate and a retainer according to the present invention;
FIG. 26 is a schematic view of a structure of a retainer according to the present invention.
In the figure: the nuclear magnetic resonance three-dimensional scanner 1, a reserved groove 2, a supporting plate 3, a notch I4, a pull rod 5, a limit plate 6, a socket 7, a baffle frame 8, an inclined plane I9, a rubber supporting plate 10, a sliding sheet 11, a limit groove 12, a mounting groove I13, a round rod 14, a sleeve 15, a binding belt 16, a bottom groove 17, a cross rod 18, a supporting frame 19, a universal wheel 20, a backup plate 21, a through hole 22, a positioning inserting plate 23, a clamping groove 24, a notch II 25, an elastic belt 26, a side groove 27, a pull ring 28, a storage groove 29, a limit shaft 30, a turntable 31, an avoiding groove 32, a finger groove 33, a rubber cover 34, a perforation 35, a positioning inserting handle 36, a notch III 37, a rubber belt 38, an inclined plane II 39, an inclined plane III 40 and a rubber strip 41.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Example 1
Referring to fig. 1 to 3, the present invention provides a technical solution: an image data processing apparatus for a positron emission tomography apparatus, comprising:
the acquisition module is used for acquiring nuclear magnetic resonance three-dimensional scanning images and positron emission computed tomography images corresponding to the same scanning area and comprises a nuclear magnetic resonance three-dimensional scanner 1, a reserved groove 2 is formed in a bed body of the nuclear magnetic resonance three-dimensional scanner 1, a supporting plate 3 is connected to the interior of the reserved groove 2 in a sliding mode, a bottom groove 17 is formed in the bottom surface of the supporting plate 3, two groups of supporting frames 19 are rotatably connected to the interior of the bottom groove 17, universal wheels 20 are installed at one ends of the supporting frames 19, a backup plate 21 is fixed to the top surface of the bottom groove 17, a positioning inserting plate 23 is movably inserted into the surface of the backup plate 21, one end of the positioning inserting plate 23 is inserted into the surface of a clamping groove 24, a containing groove 29 is formed in the top surface of the bottom plate of the supporting plate 3, a positioning inserting handle 36 is movably inserted into the bottom surface of the containing groove 29, a rotary disc 31 is rotatably connected to the interior of the containing groove 29, a avoiding groove 32 is formed in the surface of the rotary disc 31, and when the supporting frames 19 are transversely arranged in the bottom groove 17, the avoiding groove 32 is opposite to the positioning inserting handle 36, and the positioning inserting handle 36 is abutted to the top end of the supporting frame 19; when the support frame 19 is perpendicular to the supporting plate 3, the avoiding groove 32 and the positioning inserting handle 36 are misplaced, and one end of the positioning inserting handle 36 is inserted into the clamping groove 24 to limit the support frame 19; when the support plate 3 is not pushed into the reserved groove 2, the support frame 19 is adjusted to be perpendicular to the support plate 3, after a patient is pushed by the support plate 3 to be transferred to the position of the nuclear magnetic resonance three-dimensional scanner 1, one end of the support plate 3 slides into the reserved groove 2, a group of support frames 19 are adjusted to be horizontally arranged in the bottom groove 17, the support plate 3 is continuously pushed into the reserved groove 2, after half of the support plate 3 is pushed into the reserved groove 2, another group of support frames 19 are adjusted to be horizontally arranged in the bottom groove 17, the support plate 3 is continuously pushed into the reserved groove 2 completely, and the patient is horizontally pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner 1; the problem that the bed body of the existing nuclear magnetic resonance three-dimensional scanner and the patient trolley lack of a connecting structure is further solved, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient;
the image processing module is used for processing the nuclear magnetic resonance three-dimensional scanning image and acquiring two-dimensional slice images with preset sizes in different directions;
the deep learning module is used for inputting the two-dimensional slice image into a deep learning model to obtain each tissue and organ image;
the attenuation coefficient distribution module is used for distributing attenuation coefficients to voxels corresponding to the tissue organ images to obtain an attenuation coefficient graph; obtaining attenuation map estimation according to the attenuation coefficient map;
and the correction module is used for correcting the positron emission type computer tomography image according to the attenuation map estimation.
Example two
Referring to fig. 4, 25 and 26, in order to limit the pallet 3 inserted into the reserved groove 2 on the basis of the first embodiment, the reserved groove 2 is an isosceles trapezoid groove, the length of the long side of the reserved groove 2 is smaller than that of the long side of the bed body of the nuclear magnetic resonance three-dimensional scanner 1, the pallet 3 is an isosceles trapezoid frame structure, the two ends of the bottom plate of the pallet 3 are provided with a first notch 4, a pull rod 5 is fixed between two parallel side walls of the first notch 4, a limiting plate 6 is fixed on the surface of the reserved groove 2, and after the pallet 3 is inserted into the reserved groove 2, the limiting plate 6 is inserted into the first notch 4; the socket 7 has been seted up on the surface of limiting plate 6, socket 7's inside activity grafting has baffle frame 8, baffle frame 8 is the "U" font framework of inversion, baffle frame 8's surface is equipped with inclined plane one 9, inclined plane one 9 is towards layer board 3, be fixed with rubber fagging 10 between baffle frame 8's roof bottom surface and the bottom surface of reservation groove 2, all be fixed with gleitbretter 11 on two parallel distribution's of baffle frame 8 curb plates, gleitbretter 11 sliding connection is in spacing groove 12, spacing groove 12 is seted up at limiting plate 6's bottom surface, the interval of limiting plate 6's bottom surface and reservation groove 2 bottom surface equals baffle frame 8's height, baffle frame 8's surface mounting has rubber strip 41, rubber strip 41 and inclined plane one 9 are with respect to baffle frame 8's top surface symmetric distribution, after the layer board 3 inserts reservation groove 2, baffle frame 8 is supported by rubber fagging 10, keep off one side of pull rod 5.
When the rubber supporting plate 10 is in an initial state, the rubber supporting plate 10 supports the baffle frame 8 to be lifted, the sliding sheet 11 contacts the top surface of the limit groove 12 at the moment, the supporting plate 3 is pushed to move forward along the reserved groove 2, the pull rod 5 at one end of the supporting plate 3 downwards extrudes the baffle frame 8 along the inclined plane 9, the baffle frame 8 downwards slides along the jack 7, the rubber supporting plate 10 is extruded, the rubber supporting plate 10 is pushed upwards along with the continuous pushing of the supporting plate 3, after the pull rod 5 passes through the baffle frame 8, the rubber supporting plate 10 rebounds to push the baffle frame 8 until the sliding sheet 11 is blocked by the top surface of the limit groove 12, at the moment, the pull rod 5 is positioned between the end part of the reserved groove 2 and the baffle frame 8, namely the supporting plate 3 is limited, the supporting plate 3 cannot slide and separate from the reserved groove 2, when the supporting plate 3 is required to be pulled out of the reserved groove 2, the pull rod 5 is not blocked any more by downwards pressing the baffle frame 8, two rows of rotating rollers are arranged on the bottom surface of the supporting plate 3, and are symmetrically distributed about the bottom groove 17 for the convenience of pushing the supporting plate 3 into the reserved groove 2; the problem that the bed body of the existing nuclear magnetic resonance three-dimensional scanner and the patient trolley lack of a connecting structure is further solved, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
Example III
Referring to fig. 12 and 13, in order to use the pallet 3 as a stretcher, two mounting grooves 13 are formed in two side plates of the pallet 3, a round bar 14 is fixed between two parallel side walls of the mounting grooves 13, a sleeve 15 is sleeved on the round bar 14 on the top surface of one side plate of the pallet 3, a binding belt 16 is fixed on the outer ring surface of the sleeve 15, the binding belt 16 is wound on the sleeve 15, a plurality of rubber strips are fixed on the inner ring surface of the sleeve 15, and the rubber strips are clamped between the sleeve 15 and the round bar 14 to generate elastic deformation.
When the support frame 19 is horizontally arranged in the bottom groove 17, after the support plate 3 is pulled away from the reserved groove 2, the support plate 3 serves as a stretcher, the pull rod 5 is used as a hand-held lifting frame for a user, when the patient lies on the support plate 3, one end of the binding belt 16 is pulled to move towards a group of round rods 14 without the binding belt 16, in the process, the binding belt 16 drives the sleeve 15 to rotate around the round rods 14, one end of the binding belt 16 passes through the other group of round rods 14 and is knotted, the unfolded binding belt 16 is bound on the patient, and the patient is prevented from falling in the process of lifting the frame by adopting the support plate 3; after one end of the binding belt 16 is unfastened from a group of round bars 14, the rotary sleeve 15 rotates by taking the round bars 14 as the axle center, so that the binding belt 16 is wound, and as the rubber strip is arranged between the sleeve 15 and the round bars 14, the sleeve 15 can not rotate around the round bars 14 when no external force is used for stirring; the problem that the bed body of the existing nuclear magnetic resonance three-dimensional scanner and the patient trolley lack of a connecting structure is further solved, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
Example IV
Referring to fig. 4 to 11 and 17 to 20, in order to limit the support frame 19 horizontally placed in the bottom groove 17 on the basis of the third embodiment, the bottom groove 17 penetrates through the supporting plate 3, two cross bars 18 are fixed between two parallel side walls of the bottom groove 17, the cross bars 18 penetrate through the support frame 19, a plurality of universal wheels 20 are arranged and distributed along one long side of one end of the support frame 19, the backup plates 21 and the cross bars 18 are in one-to-one correspondence, one side of the backup plates 21 facing the cross bars 18 is an arc surface, one end of the support frame 19 penetrated by the cross bars 18 is an arc surface, a through hole 22 is formed in the surface of the backup plates 21, and the positioning inserting plates 23 are movably inserted into the through hole 22; the one end that the locating plugboard 23 kept away from horizontal pole 18 has seted up the notch second 25, notch second 25 is equipped with two, two notch second 25 are with locating plugboard 23's face center symmetry distribution, notch second 25's fixed surface has elastic webbing 26, elastic webbing 26's both ends are fixed respectively on two parallel distribution's of wearing mouth 22 surface, locating plugboard 23 keeps away from horizontal pole 18's one end has seted up limit groove 27, limit groove 27 is equipped with two, two limit grooves 27 are with locating plugboard 23 symmetry distribution, locating plugboard 23's one end is fixed with pull ring 28, when elastic webbing 26 is in initial condition, locating plugboard 23 runs through wearing mouth 22 and inserts in draw-in groove 24, draw-in groove 24 runs through support frame 19, and draw-in groove 24 is equipped with two, two draw-in groove 24 vertical distributions.
When the support frame 19 is horizontally arranged in the bottom groove 17, the positioning plugboard 23 is inserted into the clamping groove 24 to limit the support frame 19, namely, the support frame 19 does not rotate around the cross bar 18 at the moment, when the support frame 19 needs to be pulled out of the bottom groove 17, the positioning plugboard 23 is pulled by a hand-pinching pull ring 28 to move away from the cross bar 18, in the process, the positioning plugboard 23 stretches an elastic band 26 to generate elastic deformation until one end of the positioning plugboard 23 is pulled out of the clamping groove 24, the support frame 19 is pulled to rotate around the cross bar 18, the support frame 19 is blocked by the backup plate 21, the support frame 19 is vertical to the supporting plate 3, and after the pull ring 28 is released, the positioning plugboard 23 is pulled by the elastic band 26 in a rebound mode to be inserted back into the other clamping groove 24; the problem that the bed body of the existing nuclear magnetic resonance three-dimensional scanner and the patient trolley lack of a connecting structure is further solved, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
Example five
Referring to fig. 14 to 16, on the basis of the fourth embodiment, in order to realize the limit of the support frame 19 provided on the vertical supporting plate 3, the receiving groove 29 is a circular groove, the center of the circular surface of the receiving groove 29 is fixed with a limit shaft 30, the turntable 31 is in a circular ring plate-shaped structure, the limit shaft 30 is a T-shaped circular rod, the rod body of the limit shaft 30 penetrates through the inner ring opening of the turntable 31 and is then fixed on the circular surface of the receiving groove 29, the diameter of one end plate body of the limit shaft 30 is larger than the inner ring caliber of the turntable 31, two finger grooves 33 are formed on the surface of the turntable 31, the finger grooves 33 are in a 'Y' -shaped opening, the two finger grooves 33 are symmetrically distributed about the inner ring opening of the turntable 31, and the avoiding groove 32 is positioned at the center of the circular arc surface between the two finger grooves 33; the surface of the finger groove 33 is fixedly provided with a rubber cover 34, the rubber cover 34 is of a 'Y' -shaped annular plate structure, one end of the rubber cover 34, which is far away from the inner annular opening of the turntable 31, is integrally formed with a rubber column, and the rubber column is clamped between the outer annular surface of the turntable 31 and the side wall of the containing groove 29, so that the rotation friction between the turntable 31 and the containing groove 29 is increased; the bottom surface of the accommodating groove 29 is provided with a perforation 35, the positioning inserting handle 36 is movably inserted into the perforation 35, one end of the positioning inserting handle 36, which is far away from the accommodating groove 29, is provided with a third groove 37, the inside of the third groove 37 is inserted with a rubber belt 38, two ends of the rubber belt 38 are respectively fixed on two side walls which are distributed in parallel of the perforation 35, when the rubber belt 38 is in an initial state, one end of the positioning inserting handle 36 is retracted into the perforation 35, and the other end of the positioning inserting handle 36 is inserted into the accommodating groove 29; the other end of the positioning plug handle 36 is provided with two inclined planes II 39, the two inclined planes II 39 are distributed in an eight shape, and the two ends of the inclined planes II 39 are provided with inclined planes III 40.
When the support frame 19 is perpendicular to the support plate 3, in order to avoid the inclination phenomenon when the support frame 19 supports the support plate 3, two fingers extend into the finger groove 33, the toggle turntable 31 rotates by taking the limiting shaft 30 as the axis, the side wall of the avoidance groove 32 downwards extrudes the positioning insert handle 36 along the inclined plane III 40 and the inclined plane II 39, the positioning insert handle 36 stretches the rubber belt 38 to generate elastic deformation in the process of descending the positioning insert handle 36 until the bottom end of the positioning insert handle 36 is inserted into the clamping groove 24, the braking of the support frame 19 is completed, the rubber cover 34 is additionally arranged on the surface of the finger groove 33, the rubber cover 34 not only improves the hand feeling that the fingers extend into the finger groove 33 to toggle the turntable 31, namely, the side edge of the finger groove 33 is avoided, the rubber column integrally formed at the end part of the rubber cover 34 is clamped between the turntable 31 and the storage groove 29, the friction force of the turntable 31 rotating by taking the limiting shaft 30 as the axis is increased, and the phenomenon that the turntable 31 rotates due to toggling the turntable 31 without external force is avoided; if the dial 31 is rotated until the avoidance groove 32 corresponds to the positioning insertion handle 36, the rubber belt 38 rebounds and pulls the positioning insertion handle 36 to move upwards, i.e. the positioning insertion handle 36 does not limit the support frame 19 any more; the problem that the bed body of the existing nuclear magnetic resonance three-dimensional scanner and the patient trolley lack of a connecting structure is further solved, and a patient can be pushed onto the bed body of the nuclear magnetic resonance three-dimensional scanner without lifting the patient.
When the device is actually used, when the rubber supporting plate 10 is in an initial state, the rubber supporting plate 10 props up the baffle frame 8, the sliding sheet 11 contacts the top surface of the limit groove 12 at the moment, the baffle frame 8 is pressed downwards along the inclined plane 9 by the pull rod 5 at one end of the support plate 3 in the process of pushing the support plate 3 to advance along the reserved groove 2, the baffle frame 8 slides downwards along the spigot 7, the rubber supporting plate 10 is pressed, the baffle frame 8 is pushed upwards by rebound of the rubber supporting plate 10 after the pull rod 5 passes through the baffle frame 8 along with the continuous pushing of the support plate 3, the sliding sheet 11 is blocked by the top surface of the limit groove 12, at the moment, the pull rod 5 is positioned between the end part of the reserved groove 2 and the baffle frame 8, namely, the support plate 3 is limited, the support plate 3 cannot slide off from the reserved groove 2, when the support plate 3 is required to be pulled out of the reserved groove 2, the pull rod 5 is not blocked any more by pressing the baffle frame 8 downwards, two rows of rotating rollers are arranged on the bottom surface of the support plate 3, and the two rows of rotating rollers are symmetrically distributed about the bottom groove 17; when the support frame 19 is horizontally arranged in the bottom groove 17, after the support plate 3 is pulled away from the reserved groove 2, the support plate 3 serves as a stretcher, the pull rod 5 is used as a hand-held lifting frame for a user, when the patient lies on the support plate 3, one end of the binding belt 16 is pulled to move towards a group of round rods 14 without the binding belt 16, in the process, the binding belt 16 drives the sleeve 15 to rotate around the round rods 14, one end of the binding belt 16 passes through the other group of round rods 14 and is knotted, the unfolded binding belt 16 is bound on the patient, and the patient is prevented from falling in the process of lifting the frame by adopting the support plate 3; after one end of the binding belt 16 is unfastened from a group of round bars 14, the rotary sleeve 15 rotates by taking the round bars 14 as the axle center, so that the binding belt 16 is wound, and as the rubber strip is arranged between the sleeve 15 and the round bars 14, the sleeve 15 can not rotate around the round bars 14 when no external force is used for stirring; when the support frame 19 is horizontally arranged in the bottom groove 17, the positioning plugboard 23 is inserted into the clamping groove 24 to limit the support frame 19, namely, the support frame 19 does not rotate around the cross bar 18 at the moment, when the support frame 19 needs to be pulled out of the bottom groove 17, the positioning plugboard 23 is pulled by a hand-pinching pull ring 28 to move away from the cross bar 18, in the process, the positioning plugboard 23 stretches an elastic band 26 to generate elastic deformation until one end of the positioning plugboard 23 is pulled out of the clamping groove 24, the support frame 19 is pulled to rotate around the cross bar 18, the support frame 19 is blocked by the backup plate 21, the support frame 19 is vertical to the supporting plate 3, and after the pull ring 28 is released, the positioning plugboard 23 is pulled by the elastic band 26 in a rebound mode to be inserted back into the other clamping groove 24; when the support frame 19 is perpendicular to the support plate 3, in order to avoid the inclination phenomenon when the support frame 19 supports the support plate 3, two fingers extend into the finger groove 33, the toggle turntable 31 rotates by taking the limiting shaft 30 as the axis, the side wall of the avoidance groove 32 downwards extrudes the positioning insert handle 36 along the inclined plane III 40 and the inclined plane II 39, the positioning insert handle 36 stretches the rubber belt 38 to generate elastic deformation in the process of descending the positioning insert handle 36 until the bottom end of the positioning insert handle 36 is inserted into the clamping groove 24, the braking of the support frame 19 is completed, the rubber cover 34 is additionally arranged on the surface of the finger groove 33, the rubber cover 34 not only improves the hand feeling that the fingers extend into the finger groove 33 to toggle the turntable 31, namely, the side edge of the finger groove 33 is avoided, the rubber column integrally formed at the end part of the rubber cover 34 is clamped between the turntable 31 and the storage groove 29, the friction force of the turntable 31 rotating by taking the limiting shaft 30 as the axis is increased, and the phenomenon that the turntable 31 rotates due to toggling the turntable 31 without external force is avoided; if the dial 31 is rotated until the avoiding groove 32 corresponds to the positioning inserting handle 36, the rubber belt 38 rebounds to pull the positioning inserting handle 36 to move upwards, i.e. the positioning inserting handle 36 does not limit the supporting frame 19 any more.
It is important to note that the bracket 3 is matched with the binding belt 16 to serve as a stretcher; the bracket 3 is matched with the supporting plate 19 and the universal wheels 20 to serve as a transfer trolley; after the bracket 3 is inserted into the reserved groove 2, the bracket is used as a part of the bed body of the nuclear magnetic resonance three-dimensional scanner 1; the bracket 3 is multipurpose.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An image data processing apparatus for a positron emission tomography apparatus, characterized in that: comprising the following steps:
the acquisition module is used for acquiring nuclear magnetic resonance three-dimensional scanning images and positron emission type computer tomography images corresponding to the same scanning area and comprises a nuclear magnetic resonance three-dimensional scanner (1), a reserved groove (2) is formed in a bed body of the nuclear magnetic resonance three-dimensional scanner (1), a supporting plate (3) is connected to the inner portion of the reserved groove (2) in a sliding mode, a bottom groove (17) is formed in the bottom surface of the supporting plate (3), two groups of supporting frames (19) are connected to the inner portion of the bottom groove (17) in a rotating mode, a universal wheel (20) is installed at one end of each supporting frame (19), a backup plate (21) is fixed to the top surface of each bottom groove (17), a positioning inserting plate (23) is movably inserted to the surface of each backup plate (21), a containing groove (29) is formed in the top surface of a bottom plate of each clamping groove (24), a positioning inserting handle (36) is movably inserted to the bottom surface of each containing groove (29), a rotary table (31) is rotatably connected to the inner portion of each containing groove (29), a avoiding groove (32) is formed in the surface of each rotary table (31), and when each supporting frame (19) is transversely placed in the bottom groove (17), the corresponding to the top end of each supporting frame (36) to the corresponding positioning inserting handle (36); when the supporting frame (19) is perpendicular to the supporting plate (3), the avoiding groove (32) and the positioning inserting handle (36) are misplaced, one end of the positioning inserting handle (36) is inserted into the clamping groove (24), and the supporting frame (19) is limited;
the image processing module is used for processing the nuclear magnetic resonance three-dimensional scanning image and acquiring two-dimensional slice images with preset sizes in different directions;
the deep learning module is used for inputting the two-dimensional slice image into a deep learning model to obtain each tissue and organ image;
the attenuation coefficient distribution module is used for distributing attenuation coefficients to voxels corresponding to the tissue organ images to obtain an attenuation coefficient graph; obtaining attenuation map estimation according to the attenuation coefficient map;
and the correction module is used for correcting the positron emission type computer tomography image according to the attenuation map estimation.
2. An image data processing apparatus for a positron emission tomography device as claimed in claim 1, wherein: the utility model discloses a nuclear magnetic resonance three-dimensional scanner, including bed body, fixed slot (2), backing plate, limiting plate (6), recess one (4) have all been seted up at the bottom plate both ends of backing plate (3), be fixed with pull rod (5) between the lateral wall of two parallel distributions of recess one (4), the fixed surface of fixed slot (2) has limiting plate (6), after recess (2) were inserted to backing plate (3), limiting plate (6) were inserted in recess one (4).
3. An image data processing apparatus for a positron emission tomography device as claimed in claim 2, wherein: the utility model discloses a stopper, including baffle (6), baffle (8) are equipped with inclined plane one (9), inclined plane one (9) are fixed with rubber fagging (10) between roof bottom surface and the bottom surface of reservation groove (2) of baffle (8), all be fixed with gleitbretter (11) on the curb plate of two parallel distribution of baffle (8), gleitbretter (11) sliding connection is in spacing groove (12), the bottom surface at limiting plate (6) is seted up in spacing groove (12), the interval of the bottom surface of limiting plate (6) and reservation groove (2) bottom surface equals the height of baffle (8), the surface mounting of baffle (8) has rubber strip (41), rubber strip (41) and inclined plane one (9) are about the top surface symmetric distribution of baffle (8), after baffle (3) inserts reservation groove (2), baffle (8) are by rubber fagging (10), one side of stopper (5).
4. An image data processing apparatus for a positron emission tomography device as claimed in claim 1, wherein: two mounting grooves I (13) are formed in two side plates of the supporting plate (3), round rods (14) are fixed between two parallel distributed side walls of the mounting grooves I (13), sleeves (15) are sleeved on the round rods (14) on the top surface of one side plate of the supporting plate (3), binding belts (16) are fixed on the outer annular surface of the sleeves (15), the binding belts (16) are wound on the sleeves (15), a plurality of rubber strips are fixed on the inner annular surface of the sleeves (15), and elastic deformation is generated between the sleeves (15) and the round rods (14) through clamping the rubber strips.
5. An image data processing apparatus for a positron emission tomography device as claimed in claim 1, wherein: the bottom groove (17) penetrates through the supporting plate (3), two cross bars (18) are fixed between two parallel distributed side walls of the bottom groove (17), the cross bars (18) penetrate through the supporting frame (19), the universal wheels (20) are arranged in a plurality, the universal wheels (20) are distributed along one long side of one end of the supporting frame (19), the backup plates (21) and the cross bars (18) are in one-to-one correspondence, one side of each backup plate (21) facing the cross bar (18) is an arc surface, one end of each supporting frame (19) penetrated by the cross bar (18) is an arc surface, a through hole (22) is formed in the surface of each backup plate (21), and the positioning inserting plates (23) are movably inserted into the through holes (22).
6. An image data processing apparatus for a positron emission tomography apparatus as claimed in claim 5, wherein: the utility model discloses a positioning picture peg, including horizontal pole (18) and fixed picture peg, the one end that horizontal pole (18) was kept away from to positioning picture peg (23) has been seted up and has been lacked groove two (25), lacked groove two (25) are equipped with two, two lacked groove two (25) are about the face central symmetry distribution of positioning picture peg (23), the fixed surface of lacked groove two (25) has elastic webbing (26), the both ends of elastic webbing (26) are fixed respectively on the surface of two parallel distributions of wearing mouth (22), limit groove (27) have been seted up to one end that horizontal pole (18) was kept away from to positioning picture peg (23), limit groove (27) are equipped with two, two limit grooves (27) are about positioning picture peg (23) symmetric distribution, one end of positioning picture peg (23) is fixed with pull ring (28), when elastic webbing (26) are in initial state, positioning picture peg (23) run through wearing mouth (22) and insert draw-in groove (24), draw-in groove (24) run through support frame (19), and draw-in groove (24) are equipped with two, two draw-in grooves (24) perpendicular distribution.
7. An image data processing apparatus for a positron emission tomography device as claimed in claim 1, wherein: the utility model discloses a rotary table, including storage groove (29), carousel (31), limiting shaft (30) are fixed with spacing axle (30) in the center of the round surface of storage groove (29), carousel (31) are annular plate-shaped structure, spacing axle (30) the body of rod runs through the interior ring mouth of carousel (31) and then fixes on the round surface of storage groove (29), the one end plate body round diameter of limiting shaft (30) is greater than the interior ring bore of carousel (31), two finger grooves (33) have been seted up on the surface of carousel (31), finger groove (33) are "by" font mouth, two finger grooves (33) are about the interior ring mouth symmetric distribution of carousel (31), dodge groove (32) and be in the center department of arc face between two finger grooves (33).
8. An image data processing apparatus for a positron emission tomography device as claimed in claim 7, wherein: the surface fixing of finger groove (33) is equipped with rubber cover (34), and rubber cover (34) is "by" font annular plate structure, and one end integrated into one piece that carousel (31) inner ring mouth was kept away from to rubber cover (34) has the rubber post, and the rubber post centre gripping is between the lateral wall of outer loop of carousel (31) and storage tank (29), increases the rotation friction between carousel (31) and the storage tank (29).
9. An image data processing apparatus for a positron emission tomography device as claimed in claim 1, wherein: perforation (35) have been seted up to the bottom surface of accomodating groove (29), and location is inserted handle (36) activity and is pegged graft in perforation (35), and the one end that is kept away from accomodating groove (29) of location is inserted handle (36) has been seted up and is lack groove III (37), and the inside of lack groove III (37) is pegged graft has rubber belt (38), and the both ends of rubber belt (38) are fixed respectively on two parallel distribution's of perforation (35) lateral wall, and when rubber belt (38) are in initial state, and the one end of location is inserted handle (36) is retracted into perforation (35), and the other end of location is inserted handle (36) and is inserted in accomodating groove (29).
10. An image data processing apparatus for a positron emission tomography device as claimed in claim 1, wherein: the other end of the positioning plug handle (36) is provided with two inclined planes (39), the two inclined planes (39) are distributed in an splayed shape, and the two ends of the two inclined planes (39) are respectively provided with an inclined plane III (40).
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