CN107616806A - PET system detector rings position regulating unit and transmitting imaging device - Google Patents
PET system detector rings position regulating unit and transmitting imaging device Download PDFInfo
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- CN107616806A CN107616806A CN201710874998.1A CN201710874998A CN107616806A CN 107616806 A CN107616806 A CN 107616806A CN 201710874998 A CN201710874998 A CN 201710874998A CN 107616806 A CN107616806 A CN 107616806A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 46
- 238000003384 imaging method Methods 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000002600 positron emission tomography Methods 0.000 description 23
- 238000001514 detection method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010171 animal model Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 235000019988 mead Nutrition 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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]
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Abstract
The invention discloses a kind of PET system detector rings position regulating unit and transmitting imaging device.Position regulating unit includes fixed disk and rotating disk.There is centre bore and the chute of the N number of radially spoke distribution set around centre bore, each chute to be connected with movable part, detector is set on each movable part on fixed disk.Axial direction of the rotating disk along centre bore is arranged side by side with fixed disk, and it is the curved section groove on spiral of Archimedes to have central through hole corresponding with centre bore and the guide groove of the N number of radially spoke distribution set around central through hole, guide groove in rotating disk.Movable part corresponds with guide groove to be coordinated, and when rotating disk rotates under actuator effect, movable part is moved radially to drive detector thereon under the guiding of guide groove along chute.The position regulating unit installation and adjustment of the present invention are convenient and swift, and regulated efficiency is high, convenient processing and maintenance.
Description
Technical field
The invention belongs to medical imaging device building block, and in particular to a kind of PET system detector rings position adjustments list
Member and transmitting imaging device, the position of positron emission tomography detector rings can be changed, with body fitting different size
Position, so as to improve the sensitivity of equipment.
Background technology
PET system (PET) is a kind of special medical imaging device, can be according to human body or dynamic
The image that detected part reflects its physiological function is constructed in the specific distribution of thing in vivo radioactive tracer.Existing PET systems
System includes the mechanical parts such as detector rings, data collecting system, image reconstruction software and sick bed.
The detector rings of existing PET system are by multiple detector rings around forming ring device, the circular ring of ring device
Pore size immobilizes.For the medical PET system of whole body, in order to adapt to the detection of whole body, detector rings
Annular aperture must be sufficiently large；When detecting body smaller part position with it, such as head, it is necessary to reduce its aperture, to improve system
Sensitivity.
Therefore, it is necessary to a kind of adjusting means that can change detector rings pore size, to adapt to different size of position.
Existing adjusting means has as shown in figure 1, including fixed disk 10 and rotating disk 20, has on fixed disk 10 around centre bore N number of
Radially the chute of spoke distribution, the surface of rotating disk 20 have flat thread groove, and it forms Archimedes in rotary disk surface
Helix；Rotating disk 20 is suspended on fixed disk bottom surface by support wheel, and movable part is respectively arranged with each chute of fixed disk 10, flat
Under the thread groove turning effort of face, each movable part can move radially along chute；Each detent surface of fixed disk 10 is mounted on connecting
Fishplate bar, it is connected with corresponding movable part；During work, detector is mounted on each connecting plate, each detector collectively forms spy
Survey device ring.The adjusting means of this kind of structure is using the rotation of a motor driven rotating disk with regard to that can drive a circle detector radially
It is mobile, so as to change the aperture of detector rings.But the spiral of Archimedes formula thread groove in rotating disk 20 is monoblock type,
It there are problems with：
1st, process and overhaul inconvenience；
2nd, each movable part is required for setting different compensation rates in radial position, just can ensure that all detector structures
It is cumbersome into circle, installation and adjustment；
3rd, radial direction adjustment amount of the rotating disk corresponding to per degree of rotation is small, and regulated efficiency is low；
4th, rotating disk low intensity, yielding or damage.
The content of the invention
In order to solve the problems, such as that existing PET system detector rings apparatus for adjusting position is present at least in part, the present invention carries
For a kind of PET system detector rings position regulating unit, including fixed disk and rotating disk.There is centre bore on the fixed disk
And the chute of the N number of radially spoke distribution set around the centre bore, each chute is connected with movable part, each
Detector is set on the movable part.Axial direction of the rotating disk along the centre bore is arranged side by side with the fixed disk, institute
Stating has central through hole corresponding with the centre bore and N number of radially the taking turns around central through hole setting in rotating disk
The guide groove of spoke distribution, the guide groove are the curved section groove on spiral of Archimedes.Wherein, the movable part is led with described
Correspond and coordinate to groove, when the rotating disk rotates under actuator effect, guiding of the movable part in the guide groove
Chute described in lower edge is moved radially to drive the detector thereon.
Preferably, the movable part includes section in the sliding block of " work " type and the roller being arranged on the sliding block, institute
The slide rail for being provided with chute and being engaged with the sliding block is stated, the roller coordinates with the guide groove.
Preferably, connected between the actuator and the rotating disk by transmission mechanism, the transmission mechanism includes tooth
Wheel and the rack being fixedly installed in the rotating disk being meshed with the gear, the rack are same with the rotating disk
The segmental arc rack that the heart is set.
Preferably, the clamping part of rotating disk described in clamping is provided with the fixed disk.
Preferably, the clamping part is bolt, and multiple mounting holes, the bolt is distributed with annular space on the fixed disk
Correspond and coordinate with the mounting hole, and rotating disk described in clamping is reserved between the head of the bolt and the fixed disk
The gap at edge.
Preferably, axially directed device is provided with the fixed disk, the axially directed device is used to make the fixation
Disk and the rotating disk are along the axially movable of the centre bore.
Preferably, the axially directed device includes the axially arranged axis of guide of the parallel centre bore, and sets
Guide through hole on the fixed disk, the axis of guide coordinate with the guide through hole.
Preferably, the fixed disk is the platy structure with rectangle.
Preferably, the quantity of the axis of guide and the guide through hole is all 4, and 4 axis of guides are arranged on institute
State four vertex of fixed disk.
According to another aspect of the present invention, a kind of transmitting imaging device is also provided, including multiple PET systems described above are visited
Survey device ring position adjustment unit and multiple detectors.Multiple PET system detector rings position regulating units are along described
The axially spaced-apart arrangement of centre bore.Multiple detectors are arranged on the movable part, each PET system detector rings position
The multiple detector in adjustment unit collectively forms a detector rings；Or, PET system detector rings position described in each two
Put the multiple detector in adjustment unit and collectively form a detector rings.
PET system detector rings position regulating unit provided by the invention, due to each movable part with each self-corresponding Ah
Curved section groove on base Mead helix coordinates, it is not necessary to which compensation rate is with regard to that can make all movable parts form circular and then guarantee institute
By detector form circle, installation and adjustment are convenient and swift；Radial direction adjustment amount of the rotating disk corresponding to per degree of rotation is big, is oriented to
The helical pitch of groove is big, and regulated efficiency is high；Further, it is split type setting based on the guide groove in rotating disk, not only facilitates processing and inspection
Repair, and rotating disk intensity is high, is unlikely to deform and damages.
A series of concept of reduced forms is introduced in the content of the invention, this will be in specific embodiment part further
Describe in detail.Present invention part be not meant to attempt the key feature for limiting technical scheme claimed and
Essential features, the protection domain for attempting to determine technical scheme claimed is not meant that more.
Below in conjunction with accompanying drawing, advantages and features of the invention are described in detail.
Brief description of the drawings
The drawings below of the present invention is used to understand the present invention in this as the part of the present invention.Shown in the drawings of this hair
Bright embodiment and its description, for explaining the principle of the present invention.In the accompanying drawings,
Fig. 1 is the top view of the PET system detector rings position regulating unit of prior art；
Fig. 2 is the stereogram according to the PET system detector rings position regulating unit of one embodiment of the invention (from a side
Look up)；
Fig. 3 is the stereogram that the PET system detector rings position regulating unit shown in Fig. 2 looks up from the opposing party；
Fig. 4 is the stereogram of the movable part of the PET system detector rings position regulating unit in Fig. 2；
Fig. 5 is the stereogram of the transmitting imaging device of one embodiment of the invention.
Wherein, reference is
10-fixed disk
20-rotating disk
100th, 100 '-PET system detector rings position regulating unit
110-fixed disk
111-centre bore
112-chute
120-rotating disk
121-central through hole
122-guide groove
130-movable part
131-sliding block
132-roller
140-transmission mechanism
141-gear
142-rack
150-clamping part
160-axially guiding device
161-guide through hole
162-axis of guide
170-actuator
200-detector
300-accommodating chamber
Embodiment
In the following description, there is provided substantial amounts of details is so as to thoroughly understand the present invention.However, this area skill
Art personnel will be seen that, described below exemplarily only to show the preferred embodiments of the present invention, and the present invention can be without one
Or multiple such details and be carried out.In addition, in order to avoid obscuring with the present invention, for more well known in the art
Technical characteristic is not described in detail.
For traditional transmitting imaging device once building, the size of its all directions is all fixed.The present invention provides a kind of
For launching the PET system detector rings position regulating unit (hereinafter referred to as detector rings position regulating unit) of imaging device,
A kind of detector radial position (i.e. detector rings aperture) adjustable hair can be provided using the detector rings position regulating unit
Penetrate imaging device.In a preferred embodiment, it can also provide radial position and axial location adjustable transmitting imaging device.
Described transmitting imaging device for example can be Positron emission tomography (PET) equipment and single photon emission computed cross-sectional imaging
Equipment (SPECT), it is therefore preferable to Positron emission tomography (PET) equipment.The system can according to object to be detected (including people or
Person experimental animal) build size, adjustment transmitting imaging device aperture or aperture and axial length, with reach obtain most
The purpose of good detection sensitivity.
Fig. 2 to Fig. 3 shows detector rings position regulating unit 100 in accordance with a preferred embodiment of the present invention.Detection
Device ring position adjustment unit 100 includes fixed disk 110 and rotating disk 120.
There is the cunning of centre bore 111 and the N number of radially spoke distribution set around centre bore 111 on fixed disk 110
Groove 112, each chute 112 are connected with movable part 130, detector 200 are set on each movable part 130.Fixed disk 110 can be by
Such as the metal material of aluminium, steel, stainless steel or plastic material etc. with sufficient intensity are made.The shape of fixed disk 110 is unlimited
In the rectangle shown in Fig. 2-Fig. 3, it can also be circle, ellipse, triangle, pentagon, hexagon, heptagon etc.,
Can also be even irregular shape, as long as centre bore 111 can be set on the fixed disk 110 to form receiving space simultaneously
Meet the condition that will be discussed below.The receiving space will accommodate the receiving of detector and object to be detected for being formed
Chamber, as will be described.Receiving space can be cylindrical space, cuboid (or square) space, polygon prism sky
Between, the space of oval column space or other arbitrary shapes.As long as the receiving space can be in multiple detector rings position adjustments lists
Member 100 forms above-mentioned accommodating chamber 300 when being arranged side by side vertically can be (see Fig. 5).The shape of centre bore 111 can be circle,
It can also be ellipse, triangle, rectangle, pentagon, hexagon, heptagon etc., or even can also be irregular shape, accompanying drawing
In illustrate the principle of the present invention only referring to centre bore 111 is the embodiment circular, receiving space is cylindrical space.
It should be noted that direction term " axial direction ", " radial direction " and " circumference " mentioned in this article is relative to accommodate
For space, specifically, " axial direction " refers to that receiving space runs through direction, such as the arrow shown in Fig. 2 on fixed disk 110
The direction of head A instructions；" radial direction " refers to receiving space with being extended on axially vertical section by the center of receiving space
Direction, such as the direction of the arrow R instructions shown in Fig. 2；" circumference " refers to hold with surrounding in the axially vertical section
Receive the direction in space.
Axial direction of the rotating disk 120 along centre bore 111 is arranged side by side with fixed disk 110, has in rotating disk 120 and center
Central through hole 121 corresponding to hole 111 and the guide groove 122 of the N number of radially spoke distribution set around central through hole 121,
Guide groove 122 is the curved section groove on spiral of Archimedes.Rotating disk 120 can by such as aluminium, steel, stainless steel metal material
There is material plastic material of sufficient intensity etc. to be made.The center in the Center-to-Center hole 111 of central through hole 121 needs to overlap,
When central through hole 121 and centre bore 111 are all circular port, the radius of central through hole 121 and the radius preferably phase of centre bore 111
Deng to form above-mentioned receiving space.
Attachment structure between rotating disk 120 and fixed disk 110 can be：Set on fixed disk 110 along its even circumferential
The clamping part 150 of clamping rotating disk 120.Clamping part 150 can be that bolt (can certainly can play what clamping acted on to be other
Fastener), multiple mounting holes are distributed with annular space on fixed disk 110, and bolt 150 corresponds with mounting hole to be coordinated, and spiral shell
The gap at the edge of clamping rotating disk 120 is reserved between the head of bolt 150 and fixed disk 110, so as to which rotating disk 120 passes through clamping
Part 150 is suspended on fixed disk 110, to be rotated in the presence of external force around its center of circle.
The number N of the guide groove 122 of chute 112/ such as can be able to be 4,8,16 etc. according to setting is actually needed
Deng, but it is equal with the number of guide groove 122 regardless of number, the number of chute 112, so as to movable part 130 and guide groove 122
Correspond and coordinate.
Fig. 4 shows the stereogram of the movable part of the PET system detector rings position regulating unit in Fig. 2.Movable part 130
Including section conventional axle can be used in the sliding block 131 of " work " type and the roller 132 being arranged on sliding block 131, roller 132
Hold.Coordinate with reference to refering to Fig. 2, roller 132 with guide groove 122.With reference to refering to Fig. 3, in order to facilitate the slip of sliding block 131, chute
The slide rail being engaged with sliding block 131 is provided with 112.It should be noted that the structure of the movable part 130 shown in Fig. 4 is only
Schematically, its principle for being intended to explain the present invention, is slidably connected all as long as the slide block guide rail of other structure type can be realized
Can, just one one is not illustrated herein.
In order to drive rotating disk 120 to rotate, rotating disk 120 is connected with actuator 170.Actuator 170 and rotating disk 120 it
Between connected by transmission mechanism 140.As shown in Fig. 2 in preferred embodiment, transmission mechanism 140 includes gear 141 and and gear
141 racks 142 being fixedly installed in rotating disk 120 being meshed, rack 142 are the arc being arranged concentrically with rotating disk 120
Section rack.Rack 142 can be fixed in rotating disk 120 by fasteners such as screw, rivet, bolts.
Set based on said structure, when rotating disk 120 rotates under the effect of actuator 170, movable part 130 is in guide groove
Moved radially under 122 guiding along chute 112 to drive detector 200 thereon.
Detector rings position regulating unit provided by the invention, due to each movable part 130 and each self-corresponding A Ji meter
Curved section groove (i.e. guide groove 122) on moral helix coordinates, and for being set with respect to monoblock type spiral of Archimedes groove, has
Following advantage：1st, the amount of needing not compensate for is with regard to that can make all movable parts 130 form circle so as to ensure 200 groups of all detectors
It is convenient and swift into circle, installation and adjustment；2nd, radial direction adjustment amount of the rotating disk 120 corresponding to per degree of rotation is big, guide groove 122
Helical pitch is big, and regulated efficiency is high；3rd, convenient processing and maintenance, and in the case of using phase same material, detection provided by the invention
The rotating disk intensity of device ring position adjustment unit is high, is unlikely to deform and damages.
With reference to refering to Fig. 2, in a preferred embodiment, axially directed device 160 is provided with fixed disk 110, it is axially directed
Device 160 can include the axially arranged axis of guide 162 of parallel centre bore 111, and the guiding being arranged on fixed disk 110
Through hole 161, the axis of guide 162 coordinate with guide through hole 161, specifically, bearing (such as linear axis are provided with guide through hole 161
Hold), the axis of guide 162 is engaged with guide through hole 161 by bearing.Axially directed device 160 is used to make fixed disk 110 and rotation
Disk 120 is axially movable along centre bore 111, in addition, axially directed device 160 can also play to multiple to a certain extent
The effect that axial direction of the detector rings position regulating unit along receiving space is positioned, this relevant point, can from Fig. 5
Go out.
It is further preferred that in the case where fixed disk 110 has the platy structure of rectangle, axially directed device 160 wraps
Include four axis of guides 162 and be arranged on four guide through hole 161 of four vertex of fixed disk 110, to guide detector rings
Position regulating unit smoothly slides along the axis of guide 162.Herein it should be noted that the quantity of the axis of guide and guide through hole simultaneously
4 are not limited to, can also be 6,8,10 etc..Circle, ellipse, triangle, pentagon, six sides are shaped as when fixed disk 110
When shape, heptagon etc., the quantity of the axis of guide and guide through hole can also be 3,5,7 etc., as long as the above-mentioned work referred to can be played
With.
Fig. 5 shows the stereogram of the transmitting imaging device of one embodiment of the invention.Transmitting imaging device includes multiple spies
Device ring position adjustment unit, such as 100 and 100 ' are surveyed, these detector rings position regulating units 100 and 100 ' there can be phase
Same structure or different structures.It should be noted that the quantity of the detector rings position regulating unit shown in figure is only to show
Meaning property, it is intended to the principle for explaining the present invention.In practice, the quantity of detector rings position regulating unit can be according to detected
The factor such as the axial dimension of object and requirement to detection sensitivity selects.It is two detector rings positions in accompanying drawing 5
Multiple detectors in adjustment unit collectively form the embodiment of a detector rings, in actual applications or one
Multiple detectors on detector rings position regulating unit collectively form a detector rings.
Now, by taking transmitting imaging device as shown in Figure 5 as an example, to illustrate a kind of regulation of preferable transmitting imaging device
Method.Two detector rings position regulating units 100 and 100 ' are set backwards, and two detector rings position regulating units 100
Multiple detectors with 100 ' collectively form a detector rings, and when needing to be formed the less accommodating chamber 300 in aperture, adjustment is driven
Moving part makes rotating disk turn clockwise, and detector is moved towards close to centre bore direction, is formed having relatively small aperture
Accommodating chamber.
The transmitting imaging device built using detector rings position regulating unit provided by the invention, on the one hand, can make
At least radical length of accommodating chamber is adjustable, therefore can form the test chamber with relatively large aperture as needed, such as
For being grown up, or form the test chamber with relatively small aperture, such as children or toy, therefore with existing hair
Penetrate imaging device to compare, relatively large solid space angle can be obtained, and then effectively improve the detection of transmitting imaging device
Sensitivity；On the other hand, installation and adjustment are convenient and swift, and regulated efficiency is high, convenient processing and maintenance.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to
Citing and the purpose of explanation, and be not intended to limit the invention in described scope of embodiments.In addition people in the art
Member can also make more kinds of it is understood that the invention is not limited in above-described embodiment according to the teachings of the present invention
Variants and modifications, these variants and modifications are all fallen within scope of the present invention.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (10)
- A kind of 1. PET system detector rings position regulating unit, it is characterised in that including：Fixed disk, there is centre bore and the N number of radially spoke distribution set around the centre bore on the fixed disk Chute, each chute are connected with movable part, detector are set on each movable part；AndThe rotating disk being arranged side by side along the axial direction of the centre bore and the fixed disk, have in the rotating disk with it is described in Central through hole corresponding to heart hole and the guide groove of the N number of radially spoke distribution set around the central through hole, it is described to lead It is the curved section groove on spiral of Archimedes to groove；Wherein, the movable part is corresponded with the guide groove and coordinated, when the rotating disk rotates under actuator effect, institute Chute described in stating guiding lower edge of the movable part in the guide groove is moved radially to drive the detector thereon.
- 2. PET system detector rings position regulating unit according to claim 1, it is characterised in that the movable part bag The sliding block that section is in " work " type and the roller being arranged on the sliding block are included, is provided with the chute and the sliding block matches The slide rail of conjunction, the roller coordinate with the guide groove.
- 3. PET system detector rings position regulating unit according to claim 1, it is characterised in that the actuator with Connected between the rotating disk by transmission mechanism, the transmission mechanism includes gear and the fixation being meshed with the gear The rack being arranged in the rotating disk, the rack are the segmental arc rack being arranged concentrically with the rotating disk.
- 4. PET system detector rings position regulating unit according to claim 1, it is characterised in that on the fixed disk It is provided with the clamping part of rotating disk described in clamping.
- 5. PET system detector rings position regulating unit according to claim 4, it is characterised in that the clamping part is Bolt, multiple mounting holes are distributed with annular space on the fixed disk, and the bolt corresponds with the mounting hole to be coordinated, and The gap that plate edge is rotated described in clamping is reserved between the head of the bolt and the fixed disk.
- 6. PET system detector rings position regulating unit according to claim 1, it is characterised in that on the fixed disk Axially directed device is provided with, the axially directed device is used to make the fixed disk and the rotating disk along the centre bore It is axially movable.
- 7. PET system detector rings position regulating unit according to claim 6, it is characterised in that described axially directed Device includes the axially arranged axis of guide of the parallel centre bore, and the guide through hole being arranged on the fixed disk, institute The axis of guide is stated with the guide through hole to coordinate.
- 8. PET system detector rings position regulating unit according to claim 7, it is characterised in that the fixed disk is Platy structure with rectangle.
- 9. PET system detector rings position regulating unit according to claim 8, it is characterised in that the axis of guide with And the quantity of the guide through hole is all 4, and 4 axis of guides are arranged on four vertex of the fixed disk.
- 10. one kind transmitting imaging device, it is characterised in that including：Multiple PET system detector rings position regulating units as claimed in any one of claims 1-9 wherein, multiple PET systems Axially spaced-apart of the detector rings position regulating unit along the centre bore of uniting is arranged；AndMultiple detectors, it is arranged on the movable part, the institute on each PET system detector rings position regulating unit State multiple detectors and collectively form a detector rings；Or, described in each two on PET system detector rings position regulating unit The multiple detector collectively forms a detector rings.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874998.1A CN107616806A (en) | 2017-09-25 | 2017-09-25 | PET system detector rings position regulating unit and transmitting imaging device |
| PCT/CN2018/106995 WO2019057160A1 (en) | 2017-09-25 | 2018-09-21 | Position adjustment unit for detector ring of pet system and emission tomography device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874998.1A CN107616806A (en) | 2017-09-25 | 2017-09-25 | PET system detector rings position regulating unit and transmitting imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107616806A true CN107616806A (en) | 2018-01-23 |
Family
ID=61090712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710874998.1A Pending CN107616806A (en) | 2017-09-25 | 2017-09-25 | PET system detector rings position regulating unit and transmitting imaging device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107616806A (en) |
| WO (1) | WO2019057160A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811295A (en) * | 2018-07-04 | 2018-11-13 | 中国原子能科学研究院 | Rotary used in a kind of cyclotron changes target drone structure |
| WO2019057160A1 (en) * | 2017-09-25 | 2019-03-28 | 广东影诺数字医学科技有限公司 | Position adjustment unit for detector ring of pet system and emission tomography device |
| CN110027096A (en) * | 2019-04-04 | 2019-07-19 | 中民筑友智能装备科技有限公司 | A kind of monoblock type window frame mold |
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| CN105342632A (en) * | 2015-09-24 | 2016-02-24 | 华中科技大学 | Device for adjusting diameter of detector ring of PET (positron emission tomography) system |
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| CN107616806A (en) * | 2017-09-25 | 2018-01-23 | 广东影诺数字医学科技有限公司 | PET system detector rings position regulating unit and transmitting imaging device |
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2017
- 2017-09-25 CN CN201710874998.1A patent/CN107616806A/en active Pending
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2018
- 2018-09-21 WO PCT/CN2018/106995 patent/WO2019057160A1/en active Application Filing
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019057160A1 (en) * | 2017-09-25 | 2019-03-28 | 广东影诺数字医学科技有限公司 | Position adjustment unit for detector ring of pet system and emission tomography device |
| CN108811295A (en) * | 2018-07-04 | 2018-11-13 | 中国原子能科学研究院 | Rotary used in a kind of cyclotron changes target drone structure |
| CN108811295B (en) * | 2018-07-04 | 2019-10-15 | 中国原子能科学研究院 | Target drone structure is rotatably changed used in a kind of cyclotron |
| CN110027096A (en) * | 2019-04-04 | 2019-07-19 | 中民筑友智能装备科技有限公司 | A kind of monoblock type window frame mold |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019057160A1 (en) | 2019-03-28 |
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