CN202515672U - Positron emission tomography (PET)/magnetic resonance imaging (MRI) scanning and imaging device with same frame - Google Patents
Positron emission tomography (PET)/magnetic resonance imaging (MRI) scanning and imaging device with same frame Download PDFInfo
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- CN202515672U CN202515672U CN2012200114437U CN201220011443U CN202515672U CN 202515672 U CN202515672 U CN 202515672U CN 2012200114437 U CN2012200114437 U CN 2012200114437U CN 201220011443 U CN201220011443 U CN 201220011443U CN 202515672 U CN202515672 U CN 202515672U
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- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 91
- 238000003384 imaging method Methods 0.000 title claims abstract description 34
- 238000002600 positron emission tomography Methods 0.000 title abstract 9
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Abstract
The utility model belongs to the technical field of medical instruments and discloses a positron emission tomography (PET)/magnetic resonance imaging (MRI) scanning and imaging device with a same frame. The PET/MRI scanning and imaging device with the same frame comprises an MRI inspection tester, a PET detector, a scanning platform and a combined image processor, and is characterized in that the MRI inspection tester is provided with an MRI imaging hole which is used for capturing objects placed in an MRI image imaging space; the PET detector is arranged in the imaging space of the MRI imaging hole; and a PET control circuit unit of the PET detector is arranged outside the MRI image imaging space. According to the utility model, the problems of PET performance deterioration and MRI magnetism reduction caused by mutual influence of PET and MRI can be effectively solved, and safety and service life of the scanning and imaging device are increased.
Description
Technical field
This utility model relates to medical scanning technique field, relates in particular to a kind of with frame PET/MRI scanning imagery equipment.
Background technology
Magnetic resonance imaging,MRI appearance (MRI) utilizes the characteristics come from nuclear spin campaign, in externally-applied magnetic field, behind the RF pulse-to-pulse impulse, produces signal, with detector monitors and import computer, passes through treatment conversion display image on screen.PET is positron emission computerized tomograph (Positron Emission Computed Tomography); Be at present onlyly can on live body, show the active novel image technology of biomolecule metabolism, receptor and neurotransmitter, be widely used in the diagnosis of multiple disease and Differential Diagnosis, state of an illness judgement, therapeutic evaluation, organ function are studied and aspects such as new drug development at present.Have highly sensitive, characteristics such as specificity is high, total body opacification, safety are good.
The PET/MRI all-in-one is a kind of important medical treatment detection device, and it not only possesses the measuring ability of independent PET, MRI machine, simultaneously through to PET, MRI is mutually integrated and detect the integrated treatment of data, for diagnosing tumor provides more effective technological means.But present domestic medical institutions just simply are placed on the adjacent position with MRI machine and PET machine, respectively scanning.And the different rack construction of this separation layout, not only volume big, need bigger installing space, cost is also higher simultaneously, itself otherwise can not satisfy the requirement that some have only the less hospital of installing space, or for the less hospital of patient, cost is too high.In addition, positions of human body when needing two kinds of device scannings of careful control when different frame PET/MRI machine uses, and be subject to the displacement of human internal organs, the restriction of factor such as the image time is inconsistent makes the pattern accuracy of final fusion low, influences medical effect.And the PET/MRI all-in-one that existing patented technology is disclosed, PET and MRI are easy to generate and influence each other, and cause the PET mis-behave, and MRI magnetic such as weakens at problem.
The utility model content
This utility model provides a kind of same frame PET/MRI scanning imagery equipment that can effectively avoid existing different frame PET/MRI machine to scan the fusion image registration error of bringing at diverse location to the above deficiency of prior art.The concrete technical scheme of this utility model embodiment is following:
A kind of with frame PET/MRI scanning imagery equipment, comprising: MRI somascope, PET detector, scan table and joint image processor; Said MRI somascope is provided with the MRI imaging hole, and said MRI imaging hole is used for catching the object that place in MRI image imaging space; Said PET detector is arranged in the imaging space of MRI imaging hole, and the PET control circuit unit of said PET detector is arranged on outside the MRI image imaging space, to receive the influence of magnetic field of MRI somascope in the running that prevents the PET detector.
To the further improvement of technique scheme, said PET detector is made up of a plurality of scintillation crystal arrays, and each scintillation crystal array is arranged in an annular shape by a plurality of scintillation crystals; Described scintillation crystal array is arranged in axial direction, to prolong the axial field of a view of PET detector.
Further improvement to technique scheme; Said PET detector is connected with the PET imageing sensor; Said PET imageing sensor connects PET control circuit unit through cable; Said PET control circuit unit connects the joint image processor, will be transferred to the joint image processor through the PET image of signal processing.
To the further improvement of technique scheme, said MRI somascope connects the MRI image processor, and said MRI image processor connects the joint image processor, through the joint image processor PET image and MRI image is merged.
To the further improvement of technique scheme, said PET control circuit unit comprises signal amplification circuit and signal processing circuit.
To the further improvement of technique scheme, said PET imageing sensor is a kind of semiconductor image sensor.
To the further improvement of technique scheme, said scan table is provided with scanning bed, said scanning bed can moving along scan table, and will check that object sends into MRI image imaging space.
The utlity model has following beneficial effect:
(1) can effectively avoid existing different frame PET/MRI machine in the fusion image registration error that diverse location scanning brings, avoid the restriction of factors such as image time, space is inconsistent, the pattern accuracy of final fusion is increased substantially.
(2) the PET control circuit unit of said PET detector is arranged on outside the MRI image imaging space; To receive the influence of magnetic field of MRI somascope in the running that prevents the PET detector; Prevent that PET and MRI generation from influencing each other; Cause the PET mis-behave, the problem that MRI magnetic weakens, the safety and the service life of improving machine.
Description of drawings
Fig. 1 is the structural perspective of this utility model embodiment;
Fig. 2 is the structure side diagrammatic sketch of this utility model embodiment;
Fig. 3 is the circuit theory sketch map of this utility model embodiment;
Wherein: 1-MRI somascope, 2-MRI imaging hole, 3-MRI image imaging space, 4-PET detector, 5-scintillation crystal, 6-scintillation crystal array, 7-PET imageing sensor, 8-MRI image processor, 9-PET control circuit unit, 10-joint image processor, 11-signal amplification circuit, 12-signal processing circuit, 13-scan table, scanning bed, the 15-cable of 14-.
The specific embodiment
This utility model provides a kind of same frame PET/MRI scanning imagery equipment that can effectively avoid existing different frame PET/MRI machine to scan the fusion image registration error of bringing at diverse location to the above deficiency of prior art.Be described further below in conjunction with accompanying drawing and specific embodiment technical scheme this utility model:
This utility model is a kind of with frame PET/MRI scanning imagery equipment, comprising: MRI somascope 1, PET detector 4, scan table 13 and joint image processor 10; Said MRI somascope 1 is provided with MRI imaging hole 2, and said MRI imaging hole 2 is used for catching the object that place in MRI image imaging space 3; Said PET detector 4 is arranged in the MRI image imaging space 3 of MRI imaging hole 2; The PET control circuit unit 9 of said PET detector 4 is arranged on outside the MRI image imaging space 3, to receive the influence of magnetic field of MRI somascope 1 in the running that prevents the PET detector.
Said PET detector 4 is made up of a plurality of scintillation crystal arrays 6, and each scintillation crystal array 6 is arranged in an annular shape by a plurality of scintillation crystals 5; Described scintillation crystal array 6 is arranged in axial direction, to prolong the axial field of 4 one views of PET detector.
Said PET detector 4 is connected with PET imageing sensor 7; Said PET imageing sensor 7 connects PET control circuit unit 9 through cable 15; Said PET control circuit unit 9 connects joint image processor 10, will be transferred to joint image processor 10 through the PET image of signal processing.
Said MRI somascope 1 connects MRI image processor 8, and said MRI image processor 8 connects joint image processor 10, through joint image processor 10 PET image and MRI image is merged.
Said PET control circuit unit 9 comprises signal amplification circuit 11 and signal processing circuit 12.
Said PET imageing sensor 7 is a kind of semiconductor image sensors.
Said scan table 13 is provided with scanning bed 14, said scanning bed 14 and can moves along scan table 13, and will check that object sends into MRI image imaging space 3.
This utility model can effectively avoid existing different frame PET/MRI machine in the fusion image registration error that diverse location scanning brings, and avoids the restriction of factors such as image time, space is inconsistent, and the pattern accuracy of final fusion is increased substantially.In addition; The PET control circuit unit 9 of said PET detector 4 is arranged on outside the MRI image imaging space 3; To receive the influence of magnetic field of MRI somascope 1 in the running that prevents PET detector 4, prevent that PET and MRI generation from influencing each other, and causes the PET mis-behave; The problem that MRI magnetic weakens, the safety and the service life of improving machine.
More than the same frame PET/MRI scanning imagery equipment that this utility model provided has been carried out detailed introduction; For one of ordinary skill in the art; According to the thought of this utility model embodiment, part all may change on the specific embodiment and range of application.In a word; The above is merely the preferred embodiment of this utility model; This description should not be construed as the restriction to this utility model, and all equalizations of being done according to this utility model claim change and modify, and all should belong to the covering scope of this utility model patent.
Claims (7)
1. one kind with frame PET/MRI scanning imagery equipment, comprising: MRI somascope (1), PET detector (4), scan table (13) and joint image processor (10); It is characterized in that: said MRI somascope (1) is provided with MRI imaging hole (2), and said MRI imaging hole (2) is used for catching the object that place in MRI image imaging space (3); Said PET detector (4) is arranged in the MRI image imaging space (3) of MRI imaging hole (2), and the PET control circuit unit (9) of said PET detector (4) is arranged on outside the MRI image imaging space (3).
2. as claimed in claim 1 with frame PET/MRI scanning imagery equipment, it is characterized in that: said PET detector (4) is made up of a plurality of scintillation crystal arrays (6), and each scintillation crystal array (6) is arranged in an annular shape by a plurality of scintillation crystals (5); Described scintillation crystal array (6) is arranged in axial direction.
3. as claimed in claim 1 with frame PET/MRI scanning imagery equipment; It is characterized in that: said PET detector (4) is connected with PET imageing sensor (7); Said PET imageing sensor (7) connects PET control circuit unit (9) through cable (15), and said PET control circuit unit (9) connects joint image processor (10).
4. as claimed in claim 1 with frame PET/MRI scanning imagery equipment, it is characterized in that: said MRI somascope (1) connects MRI image processor (8), and said MRI image processor (8) connects joint image processor (10).
5. as claimed in claim 3 with frame PET/MRI scanning imagery equipment, it is characterized in that: said PET control circuit unit (9) comprises signal amplification circuit (11) and signal processing circuit (12).
6. as claimed in claim 3 with frame PET/MRI scanning imagery equipment, it is characterized in that: said PET imageing sensor (7) is a kind of semiconductor image sensor.
7. as claimed in claim 1 with frame PET/MRI scanning imagery equipment; It is characterized in that: said scan table (13) is provided with scanning bed (14); Said scanning bed (14) can move along scan table (13), and will check that object sends into MRI image imaging space (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200114437U CN202515672U (en) | 2012-01-11 | 2012-01-11 | Positron emission tomography (PET)/magnetic resonance imaging (MRI) scanning and imaging device with same frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200114437U CN202515672U (en) | 2012-01-11 | 2012-01-11 | Positron emission tomography (PET)/magnetic resonance imaging (MRI) scanning and imaging device with same frame |
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| CN202515672U true CN202515672U (en) | 2012-11-07 |
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| CN2012200114437U Expired - Lifetime CN202515672U (en) | 2012-01-11 | 2012-01-11 | Positron emission tomography (PET)/magnetic resonance imaging (MRI) scanning and imaging device with same frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873554A (en) * | 2013-11-03 | 2016-08-17 | 阿斯派克影像有限公司 | A foamed patient transport incubator |
| CN107456238A (en) * | 2017-07-17 | 2017-12-12 | 沈阳东软医疗系统有限公司 | Auxiliary monitoring equipment |
| CN108784726A (en) * | 2018-07-18 | 2018-11-13 | 宁波大学 | PET-MRI imaging devices |
-
2012
- 2012-01-11 CN CN2012200114437U patent/CN202515672U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873554A (en) * | 2013-11-03 | 2016-08-17 | 阿斯派克影像有限公司 | A foamed patient transport incubator |
| CN107456238A (en) * | 2017-07-17 | 2017-12-12 | 沈阳东软医疗系统有限公司 | Auxiliary monitoring equipment |
| CN107456238B (en) * | 2017-07-17 | 2021-03-30 | 东软医疗系统股份有限公司 | Auxiliary monitoring equipment |
| CN108784726A (en) * | 2018-07-18 | 2018-11-13 | 宁波大学 | PET-MRI imaging devices |
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Addressee: MinFound Medical Systems Co.,Ltd. Document name: Notification to Pay the Fees |
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| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
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Addressee: Xing Wanli Document name: Notice of expiration and termination of patent right |