CN208837978U - Wearable head Positron emission tomography equipment - Google Patents
Wearable head Positron emission tomography equipment Download PDFInfo
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- CN208837978U CN208837978U CN201820485943.1U CN201820485943U CN208837978U CN 208837978 U CN208837978 U CN 208837978U CN 201820485943 U CN201820485943 U CN 201820485943U CN 208837978 U CN208837978 U CN 208837978U
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Abstract
The utility model provides a kind of wearable head Positron emission tomography equipment, including head-mount body, detector body, reading circuit device and mobile display device.Head-mount body is adapted with patients head.Detector body is fixedly connected on head-mount body, including connection framework and multiple detectors, connection framework has the holding part that can accommodate patients head, and multiple detectors are installed by connection framework tight spacing, and each detector is coupled to form by scintillation crystal module and photosensor arrays.Reading circuit device is connect with photosensor arrays.Mobile display device has data processor, and data processor is connect by signal transmission component with reading circuit device.Reading circuit device includes multiple signal acquisition circuit plates, and multiple signal acquisition circuit plates and multiple detectors correspond, and each signal acquisition circuit plate is connected by signaling interface with corresponding detector.The utility model can be measured in real time under motion state anywhere or anytime.
Description
Technical field
The utility model relates to Positron emission tomography fields, and in particular, to a kind of wearable head positive electron hair
Penetrate imaging device.
Background technique
Medical positron emission tomography (Positron Emission Tomography, PET) is international first
Into the representative products of medical instrument, clinically it is widely used in the early stage of tumour, cardiovascular and cerebrovascular disease and neurodegenerative disease
Diagnosis, therapeutic scheme are formulated, outcome prediction and curative effect of medication are commented.Using molecular imaging PET technology to human body brain into
The specific proteins generated in brain cell metabolism are mainly carried out isotope labelling by row research, pass through detection isotope hair
The positive electricity subsignal penetrated is judged and is analyzed to intracerebral activity.Commercial whole body PET system is mostly stationary structure, PET
Main part is fixed by mechanical fastening structures, and patient lies on one's sick bed, is sent into PET ring and is scanned by hospital bed, scanning process
Middle human body need to be remain stationary.The dedicated PET system of brain is also mostly stationary structure, and PET main body is fixed on the robotic arm, and human body is sat
After vertical, mechanical arm control PET main body is scanned, and human body also needs to remain stationary in scanning process.
During medical whole body PET system obtains information, if patient is movable during sampling, the figure of brain
As that will obscure, the detection and definition to encephalic organ mass will be difficult to, and when movement and detection are matched by mistake
When, it will lead to inaccurate quantitative and image artifacts.Spatial resolution can be reduced at this time, can also be tailed off for the signal of measurement,
Real signal may not be detected or artifactual epochs are by the record of mistake.
To solve the above-mentioned problems, there is the PET system for proposing head Wearable, at present to realize accurate quantitative and subtract
Few image artifacts, and realize the on-line sampling in living body motion process, the functional activity rule of brain when disclosing behavior campaign.
The PET system of existing head Wearable has the about 25cm as shown in Figure 1, suspended from removable rack 81
Ring-shaped P ET Brian Imaging instrument 80, around the head 82 of patient 83 of the station on pedal 84.Compact Brian Imaging instrument 80 will be by machine
Tool frame 85, suspension 86 and counterweight 87 support, to guarantee that the opposite patients head 82 of imager 80 remain stationary during scanning.Treat as
When being placed in patients head 82 or neck as instrument, the weight of 86 support imager 80 of suspension.The PET Brian Imaging instrument 80 of this kind of structure
Although can by a small margin realization PET system lighting, there is also certain limitations: due on " helmet " there is no collect
At data processing circuit plate, it is therefore desirable to which biggish bracket places circuit board, so that whole system can only be in certain space
Portable movable is carried out, while also limiting the motion state of human body to a certain extent.
Therefore, it is necessary to propose a kind of wearable head Positron emission tomography equipment, can transport anywhere or anytime
It is measured in real time under dynamic state, really is able to accomplish the portability of PET system.
Utility model content
One aspect according to the present utility model provides a kind of wearable head Positron emission tomography equipment, including
Head-mount body, detector body, reading circuit device and mobile display device.The head-mount body and patients head's phase
Adaptation.The detector body is fixedly connected on the head-mount body, and the detector body includes connection framework and multiple
Detector, the connection framework have the holding part that can accommodate patients head, and the multiple detector passes through the connection frame
The installation of frame tight spacing, each detector are coupled to form by scintillation crystal module and photosensor arrays.The reading
Circuit device is connect with the photosensor arrays.The mobile display device has data processor, the data processing
Device is connect by signal transmission component with the reading circuit device.Wherein, the reading circuit device includes that multiple signals are adopted
Collector plate, the multiple signal acquisition circuit plate and the multiple detector correspond, each signal acquisition circuit
Plate is connected by signaling interface with the corresponding detector.
Preferably, the detector further includes packaging cartridge, the scintillation crystal module and the photosensor arrays coupling
Post package is closed in the packaging cartridge.
Preferably, the signal transmission component includes that one end is connected to the signal acquisition circuit plate, the other end is connected to
The USB data line of the data processor.
Preferably, the signal transmission component includes the wireless transport module being integrated on the signal acquisition circuit plate.
Preferably, the signal transmission component includes the GPRS module being integrated on the signal acquisition circuit plate, described
Collected data can be transmitted through the network to cloud by GPRS module.
Preferably, the head-mount body is connected with shoulder support, the shoulder support upper end and the head-mount body
Connection, lower end have the fork configuration being adapted to patient's shoulder.
Preferably, Self-locking flexible device and band, the band connection are provided on the left and right sides of the head-mount body
On the Self-locking flexible device.
Preferably, the connection framework is whole in a ring, and the head-mount body is skeleton, the connection framework connection
In the lower section of the head-mount body.
Preferably, the connection framework is integrally hemispherical, and the head-mount body is also hemispherical, the head-mount
Body is set in outside the connection framework, so that the connection framework forms the inner casing of the head-mount body.
Preferably, the connection framework is integrally in helmet-like, and the head-mount body is also in helmet-like, the head-mount
Body is set in outside the connection framework, so that the connection framework forms the inner casing of the head-mount body.
The utility model is integrated on the detector by signal acquisition circuit plate, is suitble to be worn on head so that detector is assembled into
The portable construction in portion, so that patient can walk upright in a certain range, be loosened with comparing when carrying out head imaging
State be scanned, so that system can be recognized from living body and integral level research brain under the conditions of hurtless measure
The functional activity of brain when the thinking of people, behavioral activity.
A series of concept of reduced forms is introduced in utility model content, this will in the detailed description section into
One step is described in detail.The content of the present invention part is not meant to attempt to limit the pass of technical solution claimed
Key feature and essential features do not mean that the protection scope for attempting to determine technical solution claimed more.
Below in conjunction with attached drawing, the advantages of the utility model is described in detail and feature.
Detailed description of the invention
The following drawings of the utility model is used to understand the utility model in this as a part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the principles of the present invention.In the accompanying drawings,
Fig. 1 is the structure chart of the PET system of the head Wearable of the prior art；
Fig. 2 a is the structure according to the wearable head Positron emission tomography equipment of the utility model one embodiment
Figure；
Fig. 2 b is the structure according to the wearable head Positron emission tomography equipment of the utility model one embodiment
Block diagram；
Fig. 3 a is the tight spacing scheme of installation according to multiple detectors of the utility model one embodiment；
Fig. 3 b is the structure chart according to the detector of the utility model one embodiment；
Fig. 4 is the structure according to the wearable head Positron emission tomography equipment of the utility model another embodiment
Figure；
Fig. 5 is the structure according to the wearable head Positron emission tomography equipment of the utility model another embodiment
Figure；
Fig. 6 is the structure according to the wearable head Positron emission tomography equipment of the utility model further embodiment
Figure；
Fig. 7 is the structure according to the wearable head Positron emission tomography equipment of the utility model further embodiment
Figure.
Wherein, appended drawing reference is
10-head-mount bodies
20-detector bodies
210-connection frameworks
220-detectors
221-scintillation crystal modules
222-photosensor arrays
223-packaging cartridges
30-reading circuit devices
31-signal acquisition circuit plates
40-mobile display devices
410-data processors
50-signal transmission components
51-wireless signal transmitting modules
52-reception of wireless signals module
60-signaling interfaces
The prior art
80-ring-shaped P ET Brian Imaging instrument
81-removable racks
82-patients heads
83-patients
84-pedals
85-machinery frames
86-suspensions
87-counterweights
Specific embodiment
In the following description, a large amount of details is provided so as to thoroughly understand the utility model.However, ability
Field technique personnel will be seen that, only relate to the preferred embodiment of the utility model described below, and the utility model may not need one
A or multiple such details and be carried out.In addition, in order to avoid obscuring with the utility model, for known in this field
Some technical characteristics be not described.
The utility model provides the wearable head Positron emission tomography equipment of one kind and wears as shown in Figure 2 a and 2 b
The head Positron emission tomography equipment for wearing formula includes head-mount body 10, detector body 20, reading circuit device 30, movement
Show equipment 40 and signal transmission component 50.Head-mount body 10 is adapted with patients head, and head-mount body 10 is with can
Being worn over patients head is advisable.Detector body 20 is fixedly connected on head-mount body 10.
Detector body 20 is the most crucial device of wearable head Positron emission tomography equipment, is systematic entirety
It can determinant.Detector body 20 is mainly made of crystal and photoelectric sensor, and crystal and photoelectric sensor complement each other, altogether
With influence image quality.The γ photon that human brain radiates is by the scintillation crystal " blocking " in main body, the energy of a γ photon
It can be deposited as a optical photons up to ten thousand.Photon is reflected in crystal, is propagated, and after being received by photoelectric sensor, can be passed through
Energy distribution is corresponding two-by-two and is determined as once meeting the photoresponse line (LOR) of event.Carrying out image reconstruction to photoresponse line is
Patient's brain scans image can finally be obtained.
In conjunction with refering to Fig. 3 a and Fig. 3 b, detector body 20 includes connection framework 210 and multiple detectors 220, connects frame
Frame 210 has the holding part that can accommodate patients head, and multiple detectors 220 are installed by 210 tight spacing of connection framework, often
A detector 220 is coupled to form by scintillation crystal module 221 and photosensor arrays 222.Reading circuit device 30 and photoelectricity
Sensor array 222 connects.Scintillation crystal module 221 is responsible for " blocking " γ photon, and guides the propagation of optical photon；Photoelectric transfer
Sensor array 222 is responsible for the photoelectric energy conversion of optical photon.As shown in Figure 3b, each detector 220 can also include encapsulation
Box 223, scintillation crystal module 221 couple post package with photosensor arrays 222 in packaging cartridge 223, and packaging cartridge 223 is responsible for
Light closed environment is created, to avoid the interference of ambient light.
Reading circuit device 30 is connect with the photosensor arrays in detector body 20, for receiving photoelectric sensor
The electric signal of array output, and the energy information and temporal information of gamma photons are exported, the electric signal is to pass through photoelectric sensing
The optical signal for the optical photon that device array detects it is converted and is obtained.In the utility model embodiment, electricity is read
Road device 30 includes multiple signal acquisition circuit plates 31, and multiple signal acquisition circuit plates 31 are corresponded with multiple detectors 220,
Each signal acquisition circuit plate 31 is connected by signaling interface 60 with corresponding detector 220, that is, signal acquisition circuit plate 31 collects
At on detector 20.Signaling interface 60 is responsible for the electrical output signal of photoelectric sensor being transferred to signal acquisition circuit plate 31,
Solution for LOR is to reconstruction image.Likewise, replacing discrete crystal using continuous crystal, the light of photoelectric sensor is utilized
Distribution can also solve LOR, rebuild scan image.
Mobile display device 40 has data processor 410, and data processor 410 is connect with signal transmission component 50, uses
Data processing and image reconstruction are carried out in the energy information and the temporal information come to transmission, to obtain object to be imaged
Scan image.Data processor 410 can be realized using any suitable hardware, software and/or firmware.Illustratively, number
Field programmable gate array (FPGA), digital signal processor (DSP), complex programmable logic can be used according to processor 410
Device (CPLD), micro-control unit (MCU) or central processing unit (CPU) etc. are realized.Mobile display device 40 can be plate
Computer, the mobile devices such as PAD.Mobile display device 40 can be placed in matched knapsack.
Signal transmission component 50 is used for transmission the energy information and the temporal information, as shown in Figure 2 a, signal transmission
Element 50 may include that one end is connected to signal acquisition circuit plate 31, the other end is connected to the usb data of data processor 410
Line, that is, use wired connection, PET system is communicated with mobile terminal using USB data line, in use, a whole set of PET system is only
It needs to draw a USB line and mobile terminal carries out data transmission that real-time detection can be realized.As shown in figure 4, signal transmission component
50 can also include the wireless signal transmitting module 51 that is integrated on signal acquisition circuit plate and be integrated in mobile display device 40
On reception of wireless signals module 52, that is, using being wirelessly connected, it is real to pass through wireless transmission for the integrated radio modules on PET system
The communication of existing PET system and mobile terminal, the wireless transmission method that can be used in systems include Bluetooth transmission, and local area network passes
It is defeated, WIFI transmission etc..In unshowned embodiment, signal transmission component can also include being integrated in signal acquisition circuit plate
On GPRS module, the energy information of acquisition and the time information data be transmitted through the network to cloud by GPRS module
End, that is, use online uploading module, by integrating GPRS module in PET system, the data of acquisition are transmitted through the network to
Cloud, mobile terminal can log in cloud in the position for arbitrarily having network connection, obtain data and carry out image reconstruction and analysis.
Fig. 2 a and wearable head Positron emission tomography equipment shown in Fig. 4, connection framework 210 is whole in a ring,
Head-mount body 10 be it is skeleton, connection framework 210 is connected to the lower section of head-mount body 10.Under normal conditions, 3D can be used
Print the connection framework 210 that can be worn in head.
Refering to Fig. 5, the structure of the wearable head Positron emission tomography equipment of the utility model further embodiment
Scheme, in the present embodiment, connection framework 210 is whole hemispherical, and head-mount body 10 is also hemispherical, and head-mount body 10 is arranged
Outside connection framework 210, so that connection framework 210 forms the inner casing of head-mount body 10.Similarly, 3D printing can be used out can
Wear the connection framework 210 in head.
Refering to Fig. 6, the structure of the wearable head Positron emission tomography equipment of the utility model further embodiment
Scheme, in the present embodiment, whole connection framework 210 is in helmet-like, and head-mount body 10 is also in helmet-like, and head-mount body 10 is arranged
Outside connection framework 210, so that connection framework 210 forms the inner casing of head-mount body 10.Similarly, 3D printing can be used out can
Wear the connection framework 210 in head.
In order to guarantee that a whole set of head Positron emission tomography equipment and human brain keep relative static conditions well, head is worn
Wearing may be provided with Self-locking flexible device 11 and band 12 on the left and right sides of body 10, band 12 is connected on Self-locking flexible device 11, when
When patient takes the wearable head Positron emission tomography equipment of the utility model, a stressing band 12, band 12
The lower jaw portion of cooperation patient is freely adjusted, one is automatic in the case where built-in spring drives by 11 side push band 12 of Self-locking flexible device
It retracts.In unshowned embodiment, Self-locking flexible device can not also be used, and cooperates eye-splice to fasten by band.
Refering to Fig. 7, the structure of the wearable head Positron emission tomography equipment of the utility model further embodiment
To scheme, in the present embodiment, head-mount body 10 is connected with shoulder support 70, and 70 upper end of shoulder support is connect with head-mount body 10,
Lower end has the fork configuration being adapted to patient's shoulder.In the present embodiment, by the way that auxiliary support structure is arranged, supported using shoulder
Detector body can mitigate the weight bearing on patient head in test in this way.
In the preferred embodiment, adaptivity design, e.g., connection framework can be used in the connection framework 210 of detector body
210, which can be used the materials such as elastic sponge or high elastic rubber, is made, can adapt to the head of different building shape, different sexes human body
The variation enclosed.
The utility model is integrated on the detector by signal acquisition circuit plate, is suitble to be worn on head so that detector is assembled into
The portable construction in portion, and detector body and external mobile show that equipment is connect, so that patient is when carrying out head imaging, it can
It to walk upright in a certain range, is scanned with comparing the state loosened, so that system can be from living body and whole water
Flat research brain, the functional activity of brain when can recognize thinking, the behavioral activity of people under the conditions of hurtless measure.
The utility model is illustrated through the foregoing embodiment, but it is to be understood that, above-described embodiment is
Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.Furthermore ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with
It is interior.The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. a kind of wearable head Positron emission tomography equipment characterized by comprising
Head-mount body, the head-mount body are adapted with patients head；
Detector body, the detector body are fixedly connected on the head-mount body, and the detector body includes connection
Frame and multiple detectors, the connection framework have the holding part that can accommodate patients head, and the multiple detector passes through
Connection framework tight spacing installation, each detector coupled with photosensor arrays by scintillation crystal module and
At；
Reading circuit device, the reading circuit device are connect with the photosensor arrays；And
Mobile display device, the mobile display device have data processor, and the data processor passes through signal transmission unit
Part is connect with the reading circuit device；
Wherein, the reading circuit device includes multiple signal acquisition circuit plates, the multiple signal acquisition circuit plate with it is described
Multiple detectors correspond, and each signal acquisition circuit plate is connected by signaling interface with the corresponding detector.
2. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the detector
It further include packaging cartridge, the scintillation crystal module couples post package with the photosensor arrays in the packaging cartridge.
3. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the signal passes
Defeated element includes that one end is connected to the signal acquisition circuit plate, the other end is connected to the USB data line of the data processor.
4. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the signal passes
Defeated element includes the wireless transport module being integrated on the signal acquisition circuit plate.
5. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the signal passes
Defeated element includes the GPRS module being integrated on the signal acquisition circuit plate, and the GPRS module can be by collected data
It is transmitted through the network to cloud.
6. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that wear on the head
It wears body and is connected with shoulder support, the shoulder support upper end is connect with the head-mount body, and lower end has suitable with patient's shoulder
The fork configuration matched.
7. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that wear on the head
It wears and is provided with Self-locking flexible device and band on the left and right sides of body, the band is connected on the Self-locking flexible device.
8. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the connection frame
Frame is whole in a ring, the head-mount body be it is skeleton, the connection framework is connected to the lower section of the head-mount body.
9. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the connection frame
Frame is integrally hemispherical, and the head-mount body is also hemispherical, and the head-mount body is set in outside the connection framework, with
The connection framework is set to form the inner casing of the head-mount body.
10. wearable head Positron emission tomography equipment according to claim 1, which is characterized in that the connection
Frame entirety is in helmet-like, and the head-mount body is also in helmet-like, and the head-mount body is set in outside the connection framework,
So that the connection framework forms the inner casing of the head-mount body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485943.1U CN208837978U (en) | 2018-04-08 | 2018-04-08 | Wearable head Positron emission tomography equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820485943.1U CN208837978U (en) | 2018-04-08 | 2018-04-08 | Wearable head Positron emission tomography equipment |
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| CN208837978U true CN208837978U (en) | 2019-05-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840478A (en) * | 2019-11-29 | 2020-02-28 | 彭旗宇 | Head fixing device for PET examination |
| CN112754509A (en) * | 2020-12-24 | 2021-05-07 | 华中科技大学 | High-resolution positron emission computed tomography system |
| CN113303823A (en) * | 2021-07-06 | 2021-08-27 | 南京市第一医院 | PET/MRI integrated imaging device applied to diagnosis of Parkinson's disease |
-
2018
- 2018-04-08 CN CN201820485943.1U patent/CN208837978U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110840478A (en) * | 2019-11-29 | 2020-02-28 | 彭旗宇 | Head fixing device for PET examination |
| CN112754509A (en) * | 2020-12-24 | 2021-05-07 | 华中科技大学 | High-resolution positron emission computed tomography system |
| CN113303823A (en) * | 2021-07-06 | 2021-08-27 | 南京市第一医院 | PET/MRI integrated imaging device applied to diagnosis of Parkinson's disease |
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