CN203458471U - Positron emission tomography (PET)-magnetic resonance imaging (MRI) function integrated combined diagnosis device - Google Patents
Positron emission tomography (PET)-magnetic resonance imaging (MRI) function integrated combined diagnosis device Download PDFInfo
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- CN203458471U CN203458471U CN201320464691.1U CN201320464691U CN203458471U CN 203458471 U CN203458471 U CN 203458471U CN 201320464691 U CN201320464691 U CN 201320464691U CN 203458471 U CN203458471 U CN 203458471U
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Abstract
The utility model provides a PET-MRI function integrated combined diagnosis device and belongs to the field of medical devices. The device comprises a guide rail and a MRI unit and a cylindrical PET unit which are arranged on the guide rail and used for obtaining patient images. An imaging hole center line of the MRI unit and an imaging hole center line of the PET unit coincide. According to the device, molecular imaging of the MRI unit and soft tissue comparison functional imaging of the PET unit are combined, so that spread sick cells in soft tissue can be imaged, and patients can be scanned under all modes; and PET and MRI images can be collected respectively.
Description
Technical field
This utility model relates to medical instruments field, refers to especially a kind of associating diagnostic device of the PET-MRI of fusion function.
Background technology
PET (positron emission tomography) scanner (Positron Emission Tomography, PET) be that the medicines such as the part of the glucose that utilizes positron emission body tag, aminoacid, choline, thymus pyrimidine, receptor and blood flow display agent are tracer, in anatomic image mode, from molecular level, show metabolism, function, blood flow, cell proliferation or the receptor distribution situation of body and lesion tissue cell, be the clinical diagnostic message that more physiology and pathology aspect are provided.
Nuclear magnetic resonance (Magnetic Resonance Imaging, MRI) be to utilize magnetic resonance phenomenon from human body, to obtain electromagnetic signal, and reconstruct human body information, can obtain the faultage image of any direction, three-dimensional volumetric image, even can obtain the four-dimensional image that space-wave spectrum distributes.
PET/MRI is qualitative in conjunction with both carrying out focus accurately, can accurately locate again, and its diagnosis performance and value for clinical application are higher.Be perfect, the most high-grade current Medical Imaging Technology, be referred to as over nearly 20 years in the most important development in diagnosing tumor field.
With PET/CT(Computed Tomography, computed tomography) relatively, PET/MRI has a clear superiority in: PET/CT must do whole body CT video picture, location and correction for attenuation, the radiation dose of whole body CT is large, human body is caused to certain harm, be not suitable for health examination and follow up a case by regular visits to check, the better soft tissue contrast of PET/MRI and resolution, check that sensitivity and specificity are better, setting accuracy is higher; MRI dissection and function information amount are large more many than CT, and better with the complementarity of PET molecular image, picture quality and diagnosis effect obviously improve.
PET/MRI, in conjunction with to as the location of disease of brain stem, performs the operation, and radiotherapy is more reliable accurately, makes disease examination rate higher; PET/MRI checks than PET/CT and checks, makes those who are investigated's X ray quantities received lack 1000 times, better protection of the environment and health.
At present, the medical institutions of China generally adopt independently PET equipment and MRI equipment, in the time need to obtaining the result of PET/MRI image fusion joint diagnosis, needing first to carry out respectively PET detection and MRI detects, then PET detected image and MRI detected image are carried out to fusion treatment, detection mode is comparatively loaded down with trivial details, has also affected the accuracy of diagnostic result.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of associating diagnostic device of the PET-MRI of fusion function, the molecular imaging of PET is combined with the soft tissue comparing function imaging of MRI, both can carry out imaging to the disease cell spreading in soft tissue, patient can be scanned under each pattern; Can collect respectively PET and MRI image again; And can realize MRI in art.
For solving the problems of the technologies described above, embodiment of the present utility model provides technical scheme as follows:
On the one hand, provide a kind of associating diagnostic device of the PET-MRI of fusion function, comprising:
Guide rail;
Be arranged on described guide rail, for obtaining the nuclear magnetic resonance MRI device of patient's image;
Be arranged on described guide rail, for obtaining the drum type brake PET (positron emission tomography) scanner PET imaging device of patient's image;
Wherein, the imaging hole centrage of described MRI device overlaps with the imaging hole centrage of described drum type brake PET imaging device.
Further, in such scheme, described MRI device comprises two superconducting coils that are vertically placed on guide rail, can move along guide rail parallel, and described PET imaging device is arranged between two superconducting coils.
Further, in such scheme, described two superconducting coils are connected by liquid helium obturator.
Further, in such scheme, described associating diagnostic device also comprises:
For the vehicle that patient is moved in described imaging hole.
Further, in such scheme, the height of described vehicle is consistent with the height of described imaging hole centrage.
Further, in such scheme, described guide rail arranges on the ground by cushion.
Further, in such scheme, described guide rail passes described cushion by foundation bolt and connects ground.
Embodiment of the present utility model has following beneficial effect:
In such scheme, associating diagnostic device is combined the molecular imaging of PET with the soft tissue comparing function imaging of MRI, both can carry out imaging to the disease cell spreading in soft tissue, and patient can be scanned under each pattern; Can collect respectively PET and MRI image again; And can realize MRI associating diagnostic device of the present utility model in art and can carry out imaging inspection to the disease cell spreading in patient's soft tissue, make the early diagnosis of disease more accurate, can make patient carry out two inspections simultaneously, reduce patient's review time; And can realize MRI in art.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the PET/MRI associating diagnostic device of this utility model embodiment mono-.
Fig. 2 is the schematic diagram of MRI in the art of this utility model embodiment bis-.
Reference numeral
1 MRI coil 1
2 MRI coils 2
3 PET device
4 vehicles
5 guide rails
The specific embodiment
For technical problem, technical scheme and advantage that embodiment of the present utility model will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment mono-of the present utility model provides a kind of associating diagnostic device of the PET-MRI of fusion function, the molecular imaging of PET is combined with the soft tissue comparing function imaging of MRI, both can carry out imaging to the disease cell spreading in soft tissue, patient can be scanned under each pattern; Can collect respectively PET and MRI image again.
This utility model embodiment bis-is MRI demonstration in art, PET equipment is shifted out, and increase the distance of two superconducting coils of MRI, and two superconducting coils that wherein form MRI are connected by liquid helium obturator; Between two superconducting coils, have a working place vertically entering, medical personnel can directly enter and contact patient; The spatial dimension of MRI picked-up image is exactly the scope operating on hand, need not in operation, repeatedly patient be advanced to release, and vehicle can free in and out or depart from magnet coil completely simultaneously, also operating chair can be inserted between magnet;
Doctor can grasp information in art in real time according to image monitor; Also can be by operating microscope, stereotactic apparatus, navigation, anesthetic machine, monitor and the special uses that match such as operating theater instruments.
The associating diagnostic device of the fusion PET-MRI function of this utility model embodiment comprises:
Guide rail;
Be arranged on described guide rail, for obtaining the nuclear magnetic resonance MRI device of patient's image;
Be arranged on described guide rail, for obtaining the drum type brake PET (positron emission tomography) scanner PET imaging device of patient's image;
Wherein, the imaging hole centrage of described MRI device overlaps with the imaging hole centrage of described drum type brake PET imaging device.
Further, described MRI device comprises two superconducting coils that are vertically placed on guide rail, can move along guide rail parallel, and two superconducting coils are connected by liquid helium obturator, and described PET imaging device is arranged between two superconducting coils.
Further, described associating diagnostic device also comprises: for the vehicle that patient is moved in described imaging hole, the height of described vehicle is consistent with the height of described imaging hole centrage.This vehicle can be that automatic conveying device can be also manual vehicle.When this vehicle is automatic conveying device, this vehicle can be also mechanical hand for robot moving bed.
In embodiment of the present utility model, during due to PET imaging device and the running of MRI device, can produce vibrations, so frame can arrange on the ground by cushion.Particularly, frame can be passed cushion connection ground by foundation bolt.
Associating diagnostic device associating diagnostic device of the present utility model is combined the molecular imaging of PET with the soft tissue comparing function imaging of MRI, both can carry out imaging to the disease cell spreading in soft tissue, and patient can be scanned under each pattern; Can collect respectively PET and MRI image again; And can realize MRI in art.Associating diagnostic device of the present utility model can carry out imaging inspection to the disease cell spreading in patient's soft tissue, makes the early diagnosis of disease more accurate, and can make patient carry out two inspections simultaneously, has reduced patient's review time.
Work process below in conjunction with figure and a pair of associating diagnostic device of the present utility model of embodiment describes in detail:
As shown in Figure 1, the associating diagnostic device of fusion PET of the present utility model and MRI function, comprise the PET device and the MRI device that are arranged on guide rail 5, MRI device includes MRI coil 1 and MRI coil 2, MRI coil 1 is vertical with MRI coil 2 to be placed on guide rail 5, two superconducting coils are connected by liquid helium obturator, and these two superconducting coils can move along guide rail parallel, and then adjust the intensity in magnetic field.PET device 3 is positioned in the middle of two coils of MRI, and associating diagnostic device also comprises the vehicle 4 that patient is moved between PET device and MRI device; Associating diagnostic device only has an imaging hole, and the centrage of the imaging hole of the imaging hole of PET device and two coils of MRI coincides, and the height of vehicle 4 is consistent with the height of imaging hole centrage, can left and right translation in imaging hole.In addition, PET device can also shift out from guide rail 5, and MRI device and PET device can separately be used, and the double solenoid MRI after shifting out can realize the function of MRI in art.
When needs of patients is done the inspection of PET/MRI, first according to the needs of patient body, by guide rail 5 parallel MRI coil 1 and MRI coils 2, by changing two distances between MRI coil, change the magnetic field intensity of MRI device, after setting the working condition of MRI device and PET device, allow patient lie on vehicle 4, along with moving horizontally of vehicle 4, what first patient passed through is MRI coil 2, then be PET device 3, it is finally MRI coil 1, after inspection is complete, can successively patient be released to MRI coil 1, PET3, the imaging hole of MRI coil 2.In whole checking process, patient need not move, and just can complete rapidly testing process.
Work process in conjunction with MRI in Fig. 2 and bis-pairs of arts of the present utility model of embodiment describes in detail: as shown in Figure 2, with the associating diagnostic device of fusion PET of the present utility model and MRI function, realize MRI in art.Wherein PET device shifts out, leave the MRI device being arranged on guide rail 5, MRI device includes MRI coil 1 and MRI coil 2, MRI coil 1 is vertical with MRI coil 2 to be placed on guide rail 5, these two superconducting coils are connected by liquid helium obturator, and can move along guide rail parallel, and then adjust the intensity in magnetic field.Associating diagnostic device also comprises the vehicle 4 that patient is moved between PET device and MRI device; Between two superconducting coils, have a working place vertically entering, vehicle 4 is transported to patient the formulation position of working place as requested, and medical personnel can directly enter working place and patient is operated in fact; The spatial dimension of MRI picked-up image is exactly the scope operating on hand, need not in operation, repeatedly patient be advanced to release, and doctor can grasp information in art in real time according to image monitor, adjusts at any time operation plan.Also operating microscope, stereotactic apparatus, navigation, anesthetic machine, monitor and the special uses that match such as operating theater instruments can be obtained to more fully information of patient, make therapeutic scheme more accurate, obtain more useful therapeutic effect.
Associating diagnostic device of the present utility model is combined the molecular imaging of PET with the soft tissue comparing function imaging of MRI, both can carry out imaging to the disease cell spreading in soft tissue, and patient can be scanned under each pattern; Can collect respectively PET and MRI image again; And can realize MRI in art.Associating diagnostic device of the present utility model can carry out imaging inspection to the disease cell spreading in patient's soft tissue, makes the early diagnosis of disease more accurate, and can make patient carry out two inspections simultaneously, has reduced patient's review time.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an associating diagnostic device that merges PET-MRI function, is characterized in that, comprising:
Guide rail;
Be arranged on described guide rail, for obtaining the nuclear magnetic resonance MRI device of patient's image;
Be arranged on described guide rail, for obtaining the drum type brake PET (positron emission tomography) scanner PET imaging device of patient's image;
Wherein, the imaging hole centrage of described MRI device overlaps with the imaging hole centrage of described drum type brake PET imaging device.
2. associating diagnostic device according to claim 1, is characterized in that, described MRI device comprises two superconducting coils that are vertically placed on guide rail, can move along guide rail parallel, and described PET imaging device is arranged between two superconducting coils.
3. associating diagnostic device according to claim 2, is characterized in that, described two superconducting coils are connected by liquid helium obturator.
4. associating diagnostic device according to claim 1, is characterized in that, described associating diagnostic device also comprises:
For the vehicle that patient is moved in described imaging hole.
5. associating diagnostic device according to claim 4, is characterized in that, the height of described vehicle is consistent with the height of described imaging hole centrage.
6. associating diagnostic device according to claim 1, is characterized in that, described guide rail arranges on the ground by cushion.
7. associating diagnostic device according to claim 6, is characterized in that, described guide rail passes described cushion by foundation bolt and connects ground.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320464691.1U CN203458471U (en) | 2013-07-31 | 2013-07-31 | Positron emission tomography (PET)-magnetic resonance imaging (MRI) function integrated combined diagnosis device |
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| CN201320464691.1U CN203458471U (en) | 2013-07-31 | 2013-07-31 | Positron emission tomography (PET)-magnetic resonance imaging (MRI) function integrated combined diagnosis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337573A (en) * | 2013-07-31 | 2015-02-11 | 北京大基康明医疗设备有限公司 | Combined diagnosis equipment integrating PET-MRI (positron emission tomography-magnetic resonance imaging) function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337573A (en) * | 2013-07-31 | 2015-02-11 | 北京大基康明医疗设备有限公司 | Combined diagnosis equipment integrating PET-MRI (positron emission tomography-magnetic resonance imaging) function |
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