CN108095752A - PET imaging devices - Google Patents
PET imaging devices Download PDFInfo
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- CN108095752A CN108095752A CN201711392668.5A CN201711392668A CN108095752A CN 108095752 A CN108095752 A CN 108095752A CN 201711392668 A CN201711392668 A CN 201711392668A CN 108095752 A CN108095752 A CN 108095752A
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- 238000012879 PET imaging Methods 0.000 title claims abstract description 50
- 238000012636 positron electron tomography Methods 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000000712 assembly Effects 0.000 claims abstract description 23
- 238000000429 assembly Methods 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 81
- 230000008859 change Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000155 isotopic effect Effects 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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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]
- A61B6/037—Emission tomography
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
-
- 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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine (AREA)
Abstract
The present invention relates to PET imaging devices, and for installing PET detection rings, each PET detections ring includes the first noumenon and the second body.The PET imaging devices include PET housing assemblies and the first guide rail.Each PET housing assemblies include the first rack and the second rack, first rack and the second rack are able to the extending direction slip along the first guide rail, so that the first rack and the second rack can be close to each other or separate along the extending direction of the first guide rail, so that the first noumenon and the second body can be close to each other or separate along the extending direction of the first guide rail.By the way that the first rack and the second rack are slided along the extending direction of the first guide rail, so as to replace spare unspoiled the first noumenon and the second body, so as to save the time, there is the technique effect for the raying dosage for reducing person to be detected.
Description
Technical field
The present invention relates to medical imaging devices, more particularly to PET imaging devices.
Background technology
In medical imaging device, positron e mission computed tomography (Positron Emission
Computed Tomography, abbreviation PET) it is the more advanced clinical examination image technology of the field of nuclear medicine.Carrying out PET
, it is necessary to have the isotopic label (developer) of positron emission to person's internal injection to be detected before imaging, then carry out again
Body scans, if running into detector module damage in scanning process, conventional mode is off scanning, and person to be detected is removed and is set
Between standby, it is scanned again after PET imaging devices are fixed.Since maintenance of equipment needs the regular hour, rescaned
Before, the isotopic label for needing that there is positron emission to person's internal injection to be detected again is may result in, so as to lead
Causing the raying dosage of person to be detected increases.
The content of the invention
Based on this, it is necessary to can cause person to be detected when being rescaned for traditional PET imaging devices after repair
The problem of raying dosage increase, provides a kind of improved PET imaging devices.
A kind of PET imaging devices, for installing PET detection rings, the PET detections ring includes the first noumenon and second
Body, which is characterized in that the PET imaging devices include at least one PET housing assemblies, and each PET housing assemblies are used for
The PET detections ring of support one, so that PET detection rings form scan channel；At least one PET housing assemblies edge
The axis direction arrangement of the scan channel；Each PET housing assemblies include the first rack and the second rack, and described first
Rack is used to support the first noumenon, and second rack is used to support second body；And at least one first lead
Rail, first guide rail are corresponded with the PET housing assemblies, and the extending direction of each first guide rail is swept with described
The axis for retouching passage is vertical；First rack and second rack are slidably connected respectively with first guide rail, so that institute
It states the first rack and second rack can be close to each other or separate along the extending direction of first guide rail.
During the PET detection ring damages of above-mentioned PET imaging devices, by by the first rack and the second rack along the first guide rail
Extending direction slide so that the first noumenon and the second body can depart from the first guide rail in time, so as to replace it is spare not
The first noumenon of damage and the second body.Spare unspoiled the first noumenon and the second body are driven by PET housing assemblies
It is moved along the extending direction of the first guide rail, so that spare unspoiled the first noumenon and the second body is moved to the PET of damage
Detect the former operating position of ring, so as to spare unspoiled the first noumenon and the second ontology merging into new PET detect ring
The PET detection rings of damage can be replaced, so that PET imaging devices can continue to be scanned, so as to save the time, are had
Reduce the technique effect of the raying dosage of person to be detected.
In one of the embodiments, the PET imaging devices further include the second guide rail and multiple first bogies, described
The extending direction of second guide rail is different from the extending direction of first guide rail；First bogie is led respectively with described first
One end of rail is connected with second guide rail, so that first rack can be made to exist by the effect of first bogie
Switch between first guide rail and second guide rail；And/or the PET imaging devices further include the 3rd guide rail and multiple
Second bogie, the extending direction of the 3rd guide rail are different from the extending direction of first guide rail；Second bogie
It is connected respectively with the other end of first guide rail and the 3rd guide rail, so that by the effect of second bogie and energy
Second rack is enough made to switch between first guide rail and the 3rd guide rail.
In one of the embodiments, first bogie is corresponded with first guide rail, and described first turn
Second guide rail is rotationally connected with to frame, so that first machine can be made by the steering-effecting of first bogie
Frame switches between first guide rail and second guide rail；And/or second bogie and first guide rail are one by one
It is corresponding, and second bogie is rotationally connected with the 3rd guide rail, so that the steering-effecting by second bogie
And second rack can be made to switch between first guide rail and the 3rd guide rail.
In one of the embodiments, first bogie include the first turntable and first turn to guide rail, described first
Guide rail is turned to be fixedly connected with first turntable；The first steering guide rail can be converted by rotating first turntable
Extending direction, so that the first steering guide rail is docked with first guide rail or second guide rail；Second bogie
Guide rail is turned to including the second turntable and second, the second steering guide rail is fixedly connected with second turntable；By rotating
The described second extending direction for turning to guide rail can be converted by stating the second turntable, so that the second steering guide rail is led with described first
Rail or the 3rd guide rail docking.
In one of the embodiments, first bogie is slidably connected to second guide rail, so that described first
Bogie can slide into one end of any first guide rail, so that by the steering-effecting of first bogie and can
Any first rack is made to switch between corresponding first guide rail and second guide rail；And/or described second turn
The 3rd guide rail is rotationally connected with to frame slip, so that second bogie can slide into any first guide rail
One end, so that any second rack can be made by the steering-effecting of second bogie corresponding described first
Switch between guide rail and the 3rd guide rail.
In one of the embodiments, the PET imaging devices further include the first driving mechanism, first driving machine
Structure is connected with first rack, so that first driving mechanism drives extension of first rack along first guide rail
Direction moves；And second driving mechanism, second driving mechanism are connected with second rack, so that second driving
Mechanism drives second rack to be moved along the extending direction of first guide rail.
In one of the embodiments, first driving mechanism includes the first electromagnetic coil and the first magnetic slider, institute
The first magnetic slider is stated to be fixedly connected with first rack；By being powered first electromagnetic coil and the magnetic force energy generated
Enough so that first magnetic slider drives first rack to be moved along the extending direction of first guide rail；It is and/or described
Second driving mechanism includes the second electromagnetic coil and the second magnetic slider, and second magnetic slider is fixed with second rack
Connection；By the magnetic force for being powered second electromagnetic coil to generate second magnetic slider is enabled to drive described the
Two racks are moved along the extending direction of first guide rail.
In one of the embodiments, the PET imaging devices further include control mechanism, the control mechanism with it is described
First driving mechanism is electrically connected, and the control mechanism is used to that first driving mechanism to be controlled to act；The control mechanism and institute
The electrical connection of the second driving mechanism is stated, the control mechanism is used to that second driving mechanism to be controlled to act.
In one of the embodiments, the control mechanism can change first electromagnetic coil or the second electromagnetic coil
Current direction so that changing the direction for the magnetic force that first electromagnetic coil or the second electromagnetic coil generate respectively.
In one of the embodiments, the control mechanism can change first electromagnetic coil or the second electromagnetic coil
Size of current so that changing the size for the magnetic force that first electromagnetic coil or the second electromagnetic coil generate respectively.
In one of the embodiments, the PET imaging devices further include operation button, the operation button with it is described
Control mechanism is electrically connected；The operation button is arranged in first rack and/or second rack, the control mechanism
Can first driving mechanism and/or the second driving mechanism be controlled according to the trigger signal of the operation button.
Description of the drawings
Fig. 1 is the structure diagram of the PET imaging devices of an embodiment；
Fig. 2 is schematic diagram when the first bogie of the PET imaging devices of Fig. 1 is docked with the second guide rail；
Fig. 3 is schematic diagram when first bogie of the PET imaging devices of Fig. 1 is docked with the first guide rail；
Fig. 4 is the connection relation of the first guide rail of the PET imaging devices of Fig. 1, the first electromagnetic coil and the first magnetic slider
Schematic diagram.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.Opposite, the purpose of providing these embodiments is that in order to understand the disclosure
More thorough and comprehensive.
It should be noted that when portion is referred to as " being fixed on " another portion, it can directly can also in another portion
There are portions placed in the middle.When a portion is considered as that ' attach ' to another portion, it can be directly to another portion or
It may be simultaneously present portion placed in the middle.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement
For illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.It is specific that the term used in the description of the invention herein is intended merely to description
Embodiment purpose, it is not intended that in limitation the present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
With reference to figure 1, the PET imaging devices 100 of an embodiment detect ring 110 for installing PET.Each PET detections ring 110
Including 111 and second body 112 of the first noumenon.PET imaging devices 100 include 120 and first guide rail 130 of PET housing assemblies.
The quantity of PET detection rings 110 can be one, or multiple.It is a pair of with PET housing assemblies 120 1 that PET detects ring 110
Should, PET housing assemblies 120 are corresponded with the first guide rail 130.PET housing assemblies 120 are used to support PET detection rings 110, with
PET detection rings 110 is caused to form scan channel.PET housing assemblies 120 are arranged along the axial direction of scan channel, PET housing assemblies
120 are slidably connected with the first guide rail 130.Each PET housing assemblies 120 include the first rack 121 and the second rack 122, wherein,
First rack 121 is used to support the first noumenon 111, and the second rack 122 is used to support the second body 112.First guide rail 130 prolongs
It is vertical with the axis of scan channel to stretch direction；First rack 121 and the second rack 122 are slidably connected respectively with the first guide rail 130,
So that the first rack 121 and the second rack 122 can be close to each other or separate along the extending direction of the first guide rail 130, so that the
One body 111 and the second body 112 can be close to each other or separate along the extending direction of the first guide rail 130.
The first noumenon 111 is a part for PET detection rings 110, and the second body 112 is a part for PET detection rings 110,
That is, the cross section of the first noumenon 111 is fan ring, the cross section of the second body 112 is fan ring.In the present embodiment,
The central angle of the cross section of one body 111 is 180 °, and the central angle of the cross section of the second body 112 is 180 °, that is to say, that the
One body 111 detects ring 110 for half of PET, and the second body 112 detects ring 110 for half of PET.In other embodiments, first
The central angle of the cross section of body 111 or 90 °, the central angle of the cross section of the second body 112 or 270 °,
That is the first noumenon 111 detects ring 110 for a quarter PET, the second body 112 can be that 3/4ths PET are detected
Ring 110.The ratio of the central angle of the cross section of the central angle of the cross section of the first noumenon 111 and the second body 112 can basis
Using being set, the present embodiment is not specifically limited.
When the PET detection rings 110 of above-mentioned PET imaging devices damage, by by 122 edge of the first rack 121 and the second rack
The extending direction of first guide rail 130 slides so that 111 and second body 112 of the first noumenon can depart from the first guide rail in time
130, so as to replace spare 111 and second body 112 of unspoiled the first noumenon.It is driven by PET housing assemblies 120
Spare 111 and second body 112 of unspoiled the first noumenon is moved along the extending direction of the first guide rail 130, so that spare
Unspoiled 111 and second body 112 of the first noumenon is moved to the former operating position of the PET detection rings 110 of damage, so as to spare
The new PET detections ring 110 that is merged into of 111 and second body 112 of unspoiled the first noumenon the PET of damage can be replaced to visit
Ring 110 is surveyed, so that PET imaging devices can continue to be scanned.Without closing down PET imaging devices, it is not required that will treat
Tester removes the equipment room of PET imaging devices.Therefore above-mentioned PET imaging devices 100 with spare due to that can not damaged in time
PET detection rings 110 replace the PET detection rings 110 of damage, need not be again in person's body to be detected so as to save the time
Isotopic label is injected, so as to the technique effect with the raying dosage for reducing person to be detected.
Referring to figs. 1 to Fig. 3, in one of the embodiments, PET imaging devices 100 further include the second guide rail 140 and first
Bogie 150.The extending direction of second guide rail 140 is different from the extending direction of the first guide rail 130, and the first bogie 150 is distinguished
It is connected with one end of the first guide rail 130 and the second guide rail 140, so that can be made by the steering-effecting of the first bogie 150
First rack 121 switches between the first guide rail 130 and the second guide rail 140, so that the first noumenon 111 is in 130 He of the first guide rail
Switch between second guide rail 140.
Specifically, the angle of the extending direction of the extending direction of the second guide rail 140 and the first guide rail 130 can be 90 °,
It can be 60 ° or 30 ° etc..The quantity of first bogie 150 can be one or multiple.When PET detection rings 110 damage
Bad when, by the way that the first rack 121 is slided into along the first guide rail 130 at the first bogie 150, then passes through the first bogie 150
Effect the first rack 121 is switched on the second guide rail 140 so that the first rack 121 can be on the second guide rail 140
It slides, and then, the first noumenon 111 that the first rack 121 can drive the PET of damage to detect ring 110 is slided along the second guide rail 140
It is dynamic so that the first noumenon 111 of the PET detection rings 110 of damage departs from PET imaging devices 100.
Correspondingly, spare unspoiled the first noumenon 111 also can be sliding from the second guide rail 140 with the first rack 121
It moves to the first bogie 150, first rack 121 is switched on the first guide rail 130 by the effect of the first bogie 150,
Then the first rack 121 can be slided on the first guide rail 130, so as to which spare unspoiled the first noumenon 111 can be with first
Rack 121 slides into the operating position of the first noumenon 111.
The present embodiment is by setting the first bogie 150 and the second guide rail 140, convenient for the first noumenon 111 with the first rack
121 switch between the first guide rail 130 and the second guide rail 140, so as to facilitate the PET of damage detection ring 110 in time depart from PET into
Operating position is moved in time as equipment 100, and convenient for spare unspoiled PET detection rings 110.
In one of the embodiments, PET imaging devices 100 further include the 3rd guide rail 160 and the second bogie 170.The
The extending direction of three guide rails 160 is different from the extending direction of the first guide rail 130, the second bogie 170 respectively with the first guide rail 130
The other end and the 3rd guide rail 160 connect so that the second rack 122 can be made by the steering-effecting of the second bogie 170
Switch between the first guide rail 130 and the 3rd guide rail 160, so that the second body 112 is in the first guide rail 130 and the 3rd guide rail 160
Between switch.
Specifically, the angle of the extending direction of the extending direction of the 3rd guide rail 160 and the first guide rail 130 can be 90 °,
It can be 60 ° or 30 ° etc..Second bogie 170 can be one or multiple.When PET detection rings 110 damage, lead to
It crosses and slides the second rack 122 at second bogie 170 along the first guide rail 130, then by the effect of the second bogie 170 by
Two racks 122 are switched on the 3rd guide rail 160, so that the second rack 122 can be slided on the 3rd guide rail 160, and then,
The second body 112 that second rack 122 can drive the PET of damage to detect ring 110 is slided along the 3rd guide rail 160 so that damage
The second body 112 of PET detection rings 110 depart from PET imaging devices 100.
Correspondingly, spare unspoiled second body 112 also can be sliding from the 3rd guide rail 160 with the second rack 122
It moves to the second bogie 170, second rack 122 is switched on the first guide rail 130 by the effect of the second bogie 170,
Then the second rack 122 can be slided on the first guide rail 130, so as to which spare unspoiled second body 112 can be with second
Rack 122 slides into the operating position of the second body 112.
The present embodiment is by setting the second bogie 170 and the 3rd guide rail 160, convenient for the second body 112 with the second rack
122 switch between the first guide rail 130 and the 3rd guide rail 160, so as to facilitate the PET of damage detection ring 110 in time depart from PET into
Operating position is moved in time as equipment 100, and convenient for spare unspoiled PET detection rings 110.
Referring to figs. 2 and 3, in one of the embodiments, the quantity of the first bogie 150 is multiple, the first bogie
150 and first guide rail 130 correspond, and the first bogie 150 is rotationally connected with the second guide rail 140.It leads due to each first
Rail 130 is correspondingly connected with first bogie 150, and the first rack 121 on each first guide rail 130 can pass through corresponding first
The steering-effecting of bogie 150 so that the first rack 121 switches between the first guide rail 130 and the second guide rail 140, so as to side
Just the first noumenon 111 switches with the first rack 121 between the first guide rail 130 and the second guide rail 140.
Referring to figs. 2 and 3, in one of the embodiments, the quantity of the second bogie 170 is multiple, the second bogie
170 and first guide rail 130 correspond, and the second bogie 170 is rotationally connected with the 3rd guide rail 160.It leads due to each first
Rail 130 is correspondingly connected with second bogie 170, and the second rack 122 on each first guide rail 130 can pass through corresponding second
The steering-effecting of bogie 170 so that the second rack 122 switches between the first guide rail 130 and the 3rd guide rail 160, so as to side
Just the second body 112 switches with the second rack 122 between the first guide rail 130 and the 3rd guide rail 160.
Referring to figs. 2 and 3, in one of the embodiments, the first bogie 150 includes the first turntable 151 and first turn
Direction guiding rail 152, the first steering guide rail 152 are fixedly connected with the first turntable 151.The can be converted by rotating the first turntable 151
One turns to the extending direction of guide rail 152, so that the first steering guide rail 152 is docked with the first guide rail 130 or the second guide rail 140.
Wherein, the first rack 121 switched to from the first guide rail 130 second guide rail 140 process it is as follows：By rotating first
Turntable 151 makes the first steering guide rail 152 be docked with the first guide rail 130, then the first rack 121 can be slided from the first guide rail 130
It moves to first and turns on guide rail 152, rotate the first turntable 151 again so that the first steering guide rail 152 and the second guide rail 140 are right
It connects, then the first rack 121 can be turned to from first and slid on guide rail 152 on second guide rail 140.Due to the first rack 121
Supportting the first noumenon 111, then the first noumenon 111 can be switched to from the first guide rail 130 on the second guide rail 140 with the first rack 121,
Consequently facilitating the first noumenon 111 of damage is removed in time.
Similarly, the first rack 121 switched to from the second guide rail 140 first guide rail 130 process it is as follows：By rotating first
Turntable 151 makes the first steering guide rail 152 be docked with the second guide rail 140, then the first rack 121 can be slided from the second guide rail 140
It moves to first and turns on guide rail 152, rotate the first turntable 151 again so that the first steering guide rail 152 and the first guide rail 130 are right
It connects, then the first rack 121 can be turned to from first and slid on guide rail 152 on first guide rail 130.Due to the first rack 121
Supportting the first noumenon 111, then the first noumenon 111 can be switched to from the second guide rail 140 on the first guide rail 130 with the first rack 121,
Consequently facilitating the first noumenon 111 replaced is moved to operating position in time.
Referring to figs. 2 and 3, in one of the embodiments, the second bogie 170 includes the second turntable 171 and second turn
Direction guiding rail 172, the second steering guide rail 172 are fixedly connected with the second turntable 171；The can be converted by rotating the second turntable 171
Two turn to the extending direction of guide rail 172, so that the second steering guide rail 172 is docked with the first guide rail 130 or the 3rd guide rail 160.
Wherein, the second rack 122 switched to from the first guide rail 130 the 3rd guide rail 160 process it is as follows：By rotating second
Turntable 171 makes the second steering guide rail 172 be docked with the first guide rail 130, then the second rack 122 can be slided from the first guide rail 130
It moves to second and turns on guide rail 172, rotate the second turntable 171 again so that the second steering guide rail 172 and the 3rd guide rail 160 are right
It connects, then the second rack 122 can be turned to from second and slid on guide rail 172 on the 3rd guide rail 160.Due to the second rack 122
Supportting the second body 112, then the second body 112 can be switched to from the first guide rail 130 on the 3rd guide rail 160 with the second rack 122,
Consequently facilitating the second body 112 of damage is removed in time.
Similarly, the second rack 122 switched to from the 3rd guide rail 160 first guide rail 130 process it is as follows：By rotating second
Turntable 171 makes the second steering guide rail 172 be docked with the 3rd guide rail 160, then the second rack 122 can be slided from the 3rd guide rail 160
It moves to second and turns on guide rail 172, rotate the second turntable 171 again so that the second steering guide rail 172 and the first guide rail 130 are right
It connects, then the second rack 122 can be turned to from second and slid on guide rail 172 on first guide rail 130.Due to the second rack 122
Supportting the second body 112, then the second body 112 can be switched to from the 3rd guide rail 160 on the first guide rail 130 with the second rack 122,
Consequently facilitating the second body 112 replaced is moved to the operating position of the second body 112 in time.
It should be understood that the first turntable 161 and the second turntable 171 include rotational structure, the rotational structure can wrap
Driving motor is included, the first turntable 161 and the second turntable 171 rotate under the driving of the driving motor.When 161 He of the first turntable
When second turntable 171 remains static, i.e., the positioning of the first steering guide rail 162 and the second steering guide rail 172 is realized respectively.
In one of the embodiments, 171 and second turntable 172 of the first turntable respectively further comprises fixed structure, is used to implement
One turntable 171 and the second turntable 172 enhance the first steering guide rail 162 and second compared with the fixation on mounting surface (such as ground)
Turn to the stability of guide rail 172.
In one of the embodiments, the first bogie 150 can also be slidably connected to the second guide rail 140, so that first
Bogie 150 can be slided along the extending direction of the second guide rail 140, so that the first bogie 150 can slide into any first
One end of guide rail 130.Therefore, the first bogie 150 can be realized between any first guide rail, 130 and second guide rail 140 turns
To effect.Any first rack 121 can be made in corresponding first guide rail, 130 He by the steering-effecting of the first bogie 150
Switch between second guide rail 140.By the way that the first bogie 150 and the second guide rail 140 are slidably connected, it is only necessary to set one
One bogie 150, you can switch any first rack 121 between corresponding first guide rail, 130 and second guide rail 140.
In one of the embodiments, the second bogie 170 can also be slidably connected to the 3rd guide rail 160, so that second
Bogie 170 can be slided along the extending direction of the 3rd guide rail 160, so that the second bogie 170 can slide into any first
One end of guide rail 130.Therefore, the second bogie 170 can be realized between any first guide rail, 130 and the 3rd guide rail 160 turns
To effect.Any one first rack 121 can be made in corresponding first guide rail 130 by the steering-effecting of the second bogie 170
And the 3rd switch between guide rail 160.By the way that the second bogie 170 is slidably connected with the 3rd guide rail 160, it is only necessary to set one
Second bogie 170, you can switch any second rack 122 between corresponding first guide rail, 130 and the 3rd guide rail 160.
In one of the embodiments, PET imaging devices 100 include the first driving mechanism (not shown) and the second driving machine
Structure (not shown), the first driving mechanism are connected with the first rack 121, so that the first driving mechanism drives the first rack 121 along the
The extending direction movement of one guide rail 130, consequently facilitating the extending direction in the first guide rail 130 moves the first noumenon 111.Second drives
Motivation structure is connected with the second rack 122, so that the second driving mechanism drives extension side of second rack 122 along the first guide rail 130
To movement, consequently facilitating the extending direction in the first guide rail 130 moves the second body 112.Specifically, the first driving mechanism can be with
For motor, the second driving mechanism or motor.
With reference to figure 4, in one of the embodiments, it is magnetic that the first driving mechanism includes the first electromagnetic coil 180 and first
Sliding block 190, the first magnetic slider 190 are fixedly connected with the first rack 121；By being powered to generate to the first electromagnetic coil 180
Magnetic force enables to the first magnetic slider 190 to be moved along the extending direction of the first guide rail 130, so that 190 band of the first magnetic slider
Dynamic first rack 121 is slided along the extending direction of the first guide rail 130.As shown in figure 4, in the present embodiment, the first electromagnetic coil
180 be flute profile coil, which is set up in parallel with the first guide rail 130, the extending direction of the slot of the flute profile coil and first
The extending direction of guide rail 130 is identical.By setting the first electromagnetic coil 180 and the first magnetic slider 190, convenient for driving the first machine
Frame 121 is moved along the extending direction of the first guide rail 130, consequently facilitating the extending direction in the first guide rail 130 moves the first noumenon
111.In other embodiments, the first electromagnetic coil 180 can be arranged on the first guide rail 130.
In one of the embodiments, the second driving mechanism includes the second electromagnetic coil (not shown) and the second magnetic slider
(not shown), the second magnetic slider are fixedly connected with the second rack 122；By being powered to generate magnetic force to the second electromagnetic coil,
The second magnetic slider is enabled to be moved along the extending direction of the first guide rail 130, so that the second magnetic slider drives the second rack
122 slide along the extending direction of the first guide rail 130.In the present embodiment alternatively, the second electromagnetic coil can be flute profile coil, the slot
Shape coil is set up in parallel with the first guide rail 130, the extending direction phase of the extending direction of the slot of the flute profile coil and the first guide rail 130
Together.By setting the second electromagnetic coil and the second magnetic slider, convenient for extension of the second rack 122 of driving along the first guide rail 130
Direction is moved, consequently facilitating the extending direction in the first guide rail 130 moves the second body 112.In other embodiments, the second electricity
Magnetic coil can be arranged on the first guide rail 130.
In one of the embodiments, PET imaging devices 100 further include control mechanism (not shown), control mechanism and
One driving mechanism is electrically connected, and control mechanism is used to control the action of the first driving mechanism；Illustratively, in the present embodiment, control
Mechanism processed can control the first magnetic coil 180 to be powered and generate magnetic force, thus the first magnetic slider 190 due to magnetic drive and
It is moved along the extending direction of the first guide rail 130, so that the first magnetic slider 190 drives the first rack 121 along the first guide rail 130
Extending direction slides.
In one of the embodiments, control mechanism is electrically connected with the second driving mechanism, and control mechanism is for control second
The action of driving mechanism；Illustratively, in the present embodiment, control mechanism can control the second magnetic coil to be powered and generate magnetic
Power, so that the second magnetic slider is moved due to magnetic drive and along the extending direction of the first guide rail 130, so that the second magnetic slider
The second rack 122 is driven to be slided along the extending direction of the first guide rail 130.
In one of the embodiments, control mechanism can change the current direction of the first electromagnetic coil 180, pass through change
The current direction of first electromagnetic coil 180 can then change the magnetic direction of the first electromagnetic coil 180 generation, so as to change the
The direction for the magnetic drive that one magnetic slider 190 is subject to changes so that changing the first magnetic slider 190 along the first guide rail 130
Direction when extending direction moves, so that the first magnetic slider 190 drives the first rack 121 towards closer or far from the second rack
122 direction movement, convenient for changing the direction of motion of first rack 121 on the first guide rail 130.
In one of the embodiments, control mechanism can change the current direction of the second electromagnetic coil, by changing the
The current direction of two electromagnetic coils can then change the magnetic direction of the second electromagnetic coil generation, magnetic sliding so as to change second
The direction for the magnetic drive that block is subject to, so that the side when extending direction for changing the second magnetic slider along the first guide rail 130 moves
To so that the second magnetic slider drives the second rack 122 towards the direction movement closer or far from the first rack 121, convenient for changing
The direction of motion of second rack 122 on the first guide rail 130.
In one of the embodiments, control mechanism can change the size of current of the first electromagnetic coil 180, pass through change
The size of current of first electromagnetic coil 180 can then change the size of the magnetic force of the first electromagnetic coil 180 generation.First electromagnetism
The magnetic force that coil 180 generates is the driving force of the first magnetic slider 190, the magnetic generated by changing the firstth electromagnetic coil 180
The size of power so as to adjust the movement velocity of the first magnetic slider 190, and then can adjust 190 band of the first magnetic slider
The movement velocity of dynamic first rack 121.
In one of the embodiments, control mechanism can change the size of current of the second electromagnetic coil, by changing the
The size of current of two electromagnetic coils can then change the size of the magnetic force of the second electromagnetic coil generation.Second electromagnetic coil generates
Magnetic force be the second magnetic slider driving force, by change the secondth electromagnetic coil generate magnetic force size, so as to
The movement velocity of the second magnetic slider is adjusted, and then the movement velocity that the second magnetic slider drives the second rack 122 can be adjusted.
In one of the embodiments, PET imaging devices 100 further include operation button (not shown), operation button and control
Mechanism electrical connection processed.When control mechanism is electrically connected with the first driving mechanism, operation button is for starting control mechanism, so that control
The action of the first driving mechanism of mechanism controls processed.Illustratively, can be by pressing the operation button, control mechanism can basis
The trigger signal of operation button controls first the first rack of driving motor 121 to move, and has and operates convenient technique effect.Work as control
When mechanism processed is electrically connected with the second driving mechanism, operation button is for starting control mechanism, so that control mechanism control second is driven
The action of motivation structure.Illustratively, can be by pressing the operation button, control mechanism can be believed according to the triggering of operation button
Number second the second rack of driving motor 122 of control moves, and has and operates convenient technique effect.
It should be understood that the number of operation button is corresponding with the number of the first rack 121 and the second rack 122, as long as
Corresponding operation button is operated, control mechanism can control the first rack 121 or the according to the trigger signal of operation button
The movement of two racks 122 has and operates convenient technique effect.It should be understood that operation button can be mechanical key, also may be used
To be touch-key.Operation button can be arranged on PET housing assemblies, and specifically, operation button can be arranged on first
In rack, it can also be arranged in the second rack.
In other embodiments, operation button can also be arranged on the shell of PET imaging devices 100, shell here,
Refer to the housing of cladding PET detection rings 110 and PET housing assemblies 120, which limits the accommodating sky for housing person to be detected
Between, illustratively, operation button be arranged at shell along the end face in PET detection 110 axial directions of ring or side or other positions
(such as on sick bed or on wall of scanning room).
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the scope of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (11)
1. a kind of PET imaging devices, for installing PET detection rings, the PET detections ring includes the first noumenon and the second body,
It is characterized in that, the PET imaging devices include：
At least one PET housing assemblies, each PET housing assemblies are used to support a PET detections ring, so that described
PET detection rings form scan channel；At least one PET housing assemblies are arranged along the axis direction of the scan channel；Often
A PET housing assemblies include the first rack and the second rack, and first rack is used to support the first noumenon, described
Second rack is used to support second body；And
At least one first guide rail, first guide rail are corresponded with the PET housing assemblies, each first guide rail
Extending direction is vertical with the axis of the scan channel；First rack and second rack are led respectively with described first
Rail is slidably connected, so that first rack and second rack can be close to each other along the extending direction of first guide rail
It is or separate.
2. PET imaging devices according to claim 1, which is characterized in that
The PET imaging devices further include the second guide rail and multiple first bogies, the extending direction of second guide rail and institute
The extending direction for stating the first guide rail is different；First bogie respectively with one end of first guide rail and second guide rail
Connection, so that first rack can be made by the effect of first bogie in first guide rail and described second
Switch between guide rail；And/or
The PET imaging devices further include the 3rd guide rail and multiple second bogies, the extending direction of the 3rd guide rail and institute
The extending direction for stating the first guide rail is different；Second bogie is led respectively with the other end of first guide rail and the described 3rd
Rail connects, so that can make second rack by the effect of second bogie in first guide rail and described the
Switch between three guide rails.
3. PET imaging devices according to claim 2, which is characterized in that first bogie and first guide rail
It corresponds, and first bogie is rotationally connected with second guide rail, so that the steering by first bogie
It acts on and first rack can be made to switch between first guide rail and second guide rail；And/or described second turn
It is corresponded to frame and first guide rail, and second bogie is rotationally connected with the 3rd guide rail, so that passing through institute
It states the steering-effecting of the second bogie and second rack can be made to be cut between first guide rail and the 3rd guide rail
It changes.
4. PET imaging devices according to claim 3, which is characterized in that
First bogie includes the first turntable and first turns to guide rail, and the first steering guide rail is consolidated with first turntable
Fixed connection；The described first extending direction for turning to guide rail can be converted by rotating first turntable, so that described first turn
Direction guiding rail is docked with first guide rail or second guide rail；
Second bogie includes the second turntable and second turns to guide rail, and the second steering guide rail is consolidated with second turntable
Fixed connection；The described second extending direction for turning to guide rail can be converted by rotating second turntable, so that described second turn
Direction guiding rail is docked with first guide rail or the 3rd guide rail.
5. PET imaging devices according to claim 2, which is characterized in that first bogie is slidably connected to described
Second guide rail, so that first bogie can slide into one end of any first guide rail, so that passing through described first
The steering-effecting of bogie and can make any first rack corresponding first guide rail and second guide rail it
Between switch；And/or the second bogie slip is rotationally connected with the 3rd guide rail, so that second bogie can
One end of any first guide rail is slid into, so that can make by the steering-effecting of second bogie any described
Second rack switches between corresponding first guide rail and the 3rd guide rail.
6. according to the PET imaging devices described in claim 1, which is characterized in that further include：
First driving mechanism, first driving mechanism are connected with first rack, so that first driving mechanism drives
First rack is moved along the extending direction of first guide rail；And
Second driving mechanism, second driving mechanism are connected with second rack, so that second driving mechanism drives
Second rack is moved along the extending direction of first guide rail.
7. PET imaging devices according to claim 6, which is characterized in that
First driving mechanism includes the first electromagnetic coil and the first magnetic slider, first magnetic slider and described first
Rack is fixedly connected；The first magnetic slider band is enabled to by the magnetic force for being powered first electromagnetic coil to generate
First rack is moved to move along the extending direction of first guide rail；And/or
Second driving mechanism includes the second electromagnetic coil and the second magnetic slider, second magnetic slider and described second
Rack is fixedly connected；The second magnetic slider band is enabled to by the magnetic force for being powered second electromagnetic coil to generate
Second rack is moved to move along the extending direction of first guide rail.
8. PET imaging devices according to claim 7, which is characterized in that further include control mechanism, the control mechanism with
The first driving mechanism electrical connection, the control mechanism are used to that first driving mechanism to be controlled to act；The control mechanism
It is electrically connected with second driving mechanism, the control mechanism is used to that second driving mechanism to be controlled to act.
9. PET imaging devices according to claim 8, which is characterized in that
The control mechanism can change the current direction of first electromagnetic coil or the second electromagnetic coil, so that changing respectively
The direction for the magnetic force that first electromagnetic coil or the second electromagnetic coil generate.
10. PET imaging devices according to claim 8, which is characterized in that
The control mechanism can change the size of current of first electromagnetic coil or the second electromagnetic coil, so that changing respectively
The size for the magnetic force that first electromagnetic coil or the second electromagnetic coil generate.
11. PET imaging devices according to claim 8, which is characterized in that further include operation button, the operation button
It is electrically connected with the control mechanism；The operation button is arranged in first rack and/or second rack, the control
Mechanism processed can control first driving mechanism and/or the second driving mechanism according to the trigger signal of the operation button.
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| CN201711392668.5A CN108095752B (en) | 2017-12-21 | 2017-12-21 | PET imaging apparatus |
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| CN201711392668.5A CN108095752B (en) | 2017-12-21 | 2017-12-21 | PET imaging apparatus |
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| CN108095752B (en) | 2023-03-14 |
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