CN110261885A - Liquid cooling detector - Google Patents
Liquid cooling detector Download PDFInfo
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- CN110261885A CN110261885A CN201910591350.2A CN201910591350A CN110261885A CN 110261885 A CN110261885 A CN 110261885A CN 201910591350 A CN201910591350 A CN 201910591350A CN 110261885 A CN110261885 A CN 110261885A
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- liquid
- liquid cooling
- cooling plate
- detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/208—Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nuclear Medicine (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention relates to positron emission tomography field more particularly to a kind of liquid cooling detectors comprising: liquid cooling plate, liquid feed device, radiating subassembly and multiple probe units；The probe unit is mounted on the side of the liquid cooling plate, and the liquid feed device and the radiating subassembly are set to the other side of the liquid cooling plate；Liquid cooling pipeline is provided on the liquid cooling plate, the liquid feed device, the liquid cooling pipeline and the radiating subassembly are sequentially communicated and form circulation fluid path.Each probe unit is carried out individual liquid cooling cyclic design by liquid cooling detector of the invention, it realizes highly integrated, when safeguarding probe unit, it can directly be safeguarded in the case where not drain, this process is simple and convenient, it has saved plenty of time and maintenance cost, and disassembly and installation is all extremely convenient, greatly reduces workload；At the same time, liquid cooling detector of the invention reduces the occupancy demand in space, convenient for utilizing, there is very big promotional value.
Description
Technical field
The present invention relates to positron emission tomography field more particularly to a kind of liquid cooling detectors.
Background technique
In field of medical imaging, positron emission tomography (Positron Emission Tomography, letter
Claim PET) it is playing an increasingly important role as a kind of functional imaging equipment.PET be a kind of hurtless measure show human body
The imaging technique of organ dysfunction and metabolism, its working principle is that by biological life be metabolized in necessary substance injection human body, such as:
Glucose, protein, nucleic acid, fatty acid, short-life radionuclide (such as 18F, 11C etc.) on label utilize human body different
The metabolism state of tissue is different, for example glucose metabolism is vigorous in the malignant tumor tissue of hypermetabolism, and aggregation is more, by these
The feature of reflection vital metabolic activity is reflected by image, to achieve the purpose that early diagnose the diseases such as tumour.PET system
Most crucial component is detector in system, and the signal amplifier part that traditional pet detector uses is photomultiplier tube
(Photomultiplier Tube, abbreviation PMT), it is not high based on temperature requirement of the PET of photomultiplier tube for work, mainly
It is required that being the harmony and stability of internal system temperature, so being all made of air-cooled side for the pet detector based on PMT
Formula radiates.
As technology develops, silicon photomultiplier (Silicon Photomultiplier, abbreviation SiPM) is a kind of completely new
Highly sensitive silicon photodetector part, the PET system based on SiPM determines it in low temperature due to the self-characteristic of SiPM
In the case where light output it is sensitiveer, therefore, the performance of SiPM detector can be improved in the operating temperature for reducing SiPM chip, so
The mode of liquid cooling is mostly used to radiate it currently based on the PET system of SiPM.But PET system in the prior art is all
It is to safeguard require to be disassembled when detector assembly every time, and disassembly requires every time using external liquid cooling machine
The coolant liquid in pipeline is drained, after maintenance, it is also necessary to coolant liquid is filled into liquid cooling machine, so row's coolant liquid and filling every time
Coolant liquid requires the time for spending maintenance personnel very much；In addition, external liquid cooling machine because there is compressor noise, needs
It is separately positioned at the room other than scanning room, for the hospital of some narrow spaces, this just occupies many spaces for this.
Summary of the invention
(1) technical problems to be solved
The present invention provides a kind of liquid cooling detector, it is intended to which solving to safeguard in the prior art need to be dismantled when detector assembly
The problem of coolant liquid need to be added again again after the coolant liquid in main pipe road just can be carried out and repair side by side.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include: liquid cooling plate, liquid feed device, heat dissipation group
Part and multiple probe units；The probe unit is mounted on the side of the liquid cooling plate, the liquid feed device and described dissipates
Hot component is set to the other side of the liquid cooling plate；Liquid cooling pipeline, the liquid feed device, the liquid are provided on the liquid cooling plate
Cold pipeline and the radiating subassembly are sequentially communicated and form circulation fluid path.
Preferably, the probe unit includes shell and the scintillation crystal being set in the shell and SiPM circuit
Plate；Multiple SiPM chips, be provided with the SiPM chip one of the SiPM circuit board are provided on the SiPM circuit board
Side is connect with the scintillation crystal, and the shell is formed with open end and the open end and can be installed on the liquid cooling plate,
The SiPM circuit board is arranged close to the liquid cooling plate.
Preferably, multiple SiPM chip arrays are distributed on the SiPM circuit board.
Preferably, the SiPM circuit board and the scintillation crystal use optics glue sticking.
Preferably, data output interface is additionally provided on the liquid cooling plate, the data output interface is set to the liquid
One end that cold plate is connect with the radiating subassembly, the data output interface are connect by conducting wire with the SiPM circuit board.
Preferably, silicagel pad is additionally provided between the probe unit and the liquid cooling plate.
Preferably, the liquid cooling pipeline is the copper pipe that bending is set in the liquid cooling plate；The liquid cooling pipeline enters liquid
Mouth is connect with the liquid outlet of the liquid feed device, and the liquid outlet of the liquid cooling pipeline is connect with the liquid inlet of the radiating subassembly.
Preferably, the radiating subassembly includes heat dissipation row, at least one fan, cooling stand；The heat dissipation row's enters liquid
The liquid outlet of mouth and the liquid cooling piping connection, the heat dissipation row is connect with the liquid feed device, and the fan is juxtaposed on
The heat dissipation row is upper and capable heat dissipation can be discharged into heat dissipation；The heat dissipation row is fixed on the liquid cooling by the cooling stand
On plate.
Preferably, the liquid feed device includes liquid pump, liquid pump bracket, liquid reserve tank and liquid storage box bracket；The liquid pump passes through
The liquid pump bracket is fixed on the liquid cooling plate, and the liquid reserve tank is fixed on the liquid cooling plate by the liquid storage box bracket
On；The liquid inlet of the liquid pump is connected to the liquid outlet of the liquid reserve tank, the liquid outlet of the liquid pump and the liquid cooling pipeline
Liquid inlet connection, the liquid inlet of the liquid reserve tank are connected to the liquid outlet of the heat dissipation row.
Preferably, liquid injection hole is provided on the liquid reserve tank.
(3) beneficial effect
The beneficial effects of the present invention are: liquid cooling of the invention is visited compared with the external liquid cooling machine technology of existing use
It surveys device and each probe unit is subjected to individual liquid cooling cyclic design, realization is highly integrated, abandons external liquid cooling machine, Er Qie
When safeguarding probe unit, it can directly be safeguarded in the case where not drain, this process is simple and convenient, has saved the plenty of time
And maintenance cost, and disassembly and installation is all extremely convenient, greatly reduces workload；In addition, being carried out to each probe unit
Individual liquid cooling cyclic design, so that each probe unit works under lower temperature environment always, to improve detection effect
Rate improves picture quality；At the same time, liquid cooling detector of the invention reduces the occupancy demand in space, and appearance is clean and tidy, is convenient for
It utilizes, there is very big promotional value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid cooling detector of the invention；
Fig. 2 is that the coolant liquid of liquid cooling detector of the invention flows to schematic diagram；
Fig. 3 is the liquid cooling pipeline of liquid cooling plate and the layout drawing of data output interface in Fig. 1；
Fig. 4 is the structural schematic diagram of probe unit of the invention.
[description of symbols]
1: probe unit；11: scintillation crystal；12:SiPM circuit board；121:SiPM chip；13: shell；2: liquid cooling plate；
21: liquid cooling pipeline；22: data output interface；3: liquid feed device；31: liquid pump；32: liquid pump bracket；33: liquid reserve tank；34: liquid storage
Box bracket；4: circulation line；5: radiating subassembly；51: heat dissipation row；52: fan；53: cooling stand；6: liquid injection hole；7: silicagel pad.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The present invention provides a kind of liquid cooling detector, as depicted in figs. 1 and 2 comprising: liquid cooling plate 2, liquid feed device 3, heat dissipation
Component 5 and multiple probe units 1；Probe unit 1 is mounted on the side of liquid cooling plate 2, and liquid feed device 3 and radiating subassembly 5 are set
It is placed in the other side of liquid cooling plate 2；Liquid cooling pipeline 21, liquid feed device 3, liquid cooling pipeline 21 and radiating subassembly 5 are provided on liquid cooling plate 2
It is sequentially communicated and forms circulation fluid path.Wherein, each probe unit 1 is carried out individual liquid cooling and follows by liquid cooling detector of the invention
Ring design, realizes highly integrated, abandons external liquid cooling machine, and when safeguarding probe unit, can be the not drain the case where
It is directly safeguarded down, this process is simple and convenient, has saved plenty of time and maintenance cost, and disassemble and install all extremely square
Just, workload is greatly reduced.In addition, individual liquid cooling cyclic design is carried out to each probe unit 1, so that each detection is single
Member 1 works under lower temperature environment always, to improve detection efficient, improves picture quality；It is of the invention at the same time
Liquid cooling detector also reduces the occupancy demand in space, and appearance is clean and tidy, convenient for utilizing, there is very big promotional value.Wherein, upper
The coolant liquid recycled in liquid cooling detector is stated, is actually water, distilled water or pure water using most coolant liquids, in order to anti-
The rotten or lower temperature of acquisition, can add some additives.
As shown in Figure 1 and Figure 4, probe unit 1 includes shell 13 and 11 He of scintillation crystal being set in shell 13
SiPM circuit board 12；Multiple SiPM chips 121 are provided on SiPM circuit board 12, SiPM circuit board 12 is provided with SiPM chip
121 side is connect with scintillation crystal 11, and shell 13 is formed with open end and open end and can be installed on liquid cooling plate 2.It will visit
It surveys unit 1 to be fixed on liquid cooling plate 2, so that the internal temperature of probe unit 1 tends towards stability, probe unit 1 can be reduced in time
Internal temperature so that probe unit 1 be made to be in a lower temperature environment, and then improves picture quality.Using above-mentioned skill
Art scheme can keep the operating temperature on 121 surface of SiPM chip in 20 degrees centigrades, air-cooled far better than directlying adopt
Heat dissipation effect, each detector assembly self-contained unit, installation and degree easy to maintain greatly promote.
Further, multiple 121 array distributions of SiPM chip are on SiPM circuit board 12；The specification of SiPM chip 121 has
3mmx3mm, 4mmx4mm etc., the preferably SiPM chip 121 of 3mmx3mm in present specification.As shown in figure 4, multiple SiPM
121 array distribution of chip, the arrays such as adoptable 8x8,10x10, preferably 10x10 array, multiple SiPM chips 121 are in array
Distribution, multiple SiPM chips 121 arrange closely, can be improved detectivity.
In addition, the use principle of liquid cooling detector of the invention is as follows: gamma-rays and the effect of scintillation crystal 11 generate light letter
Number, SiPM chip 121 detects optical signal, then converts optical signals to electric signal for subsequent conditioning circuit processing, passes through liquid cooling plate 2
In coolant liquid and SiPM circuit board 12 and its surrounding space carry out heat exchange, realize that SiPM circuit board 12 is in lower temperature
Environment is spent, guarantees the sensitivity of SiPM chip 121.PET system based on SiPM chip 121 is that biology point can be shown on living body
Filial generation thanks, receptor and the movable New video technology of neurotransmitter, be widely used in a variety of diseases Diagnosis and differential diaggnosis,
State of an illness judgement, therapeutic evaluation, organ function research and new drug development etc., have very big application value；And SiPM electricity
Road plate 12 and scintillation crystal 11 use optics glue sticking, are conducive to the conversion of optical signal.
As shown in figure 3, being additionally provided with data output interface 22 on liquid cooling plate 2, data output interface 22 is set to liquid cooling plate 2
The one end being connect with radiating subassembly 5；Data output interface 22 is connect by conducting wire with SiPM circuit board 12, data output interface 22
Detection data can be transmitted to host computer or data processing plate in time, to record detection data in time.
Further, as shown in figure 3, liquid cooling pipeline 21 is the copper pipe that bending is set in liquid cooling plate 2, liquid cooling pipeline 21
Outer diameter can be for the outer diameter greater than 5mm and outer diameter need to select according to the actual situation, and wall thickness can be 0.5mm-1mm；In one kind
In preferred embodiment, as shown in figure 3, the outer diameter of liquid cooling pipeline 21 is preferably outer diameter 5mm, wall thickness 1mm, wherein liquid cooling pipeline
21 can also be manufactured by the material of other good heat conductivities.The liquid inlet of liquid cooling pipeline 21 is connect with the liquid outlet of liquid feed device 3,
The liquid outlet of liquid cooling pipeline 21 is connect with the liquid inlet of radiating subassembly 5, and the liquid inlet and liquid outlet of liquid cooling pipeline 21 are respectively set
In the both ends of liquid cooling plate 2；In a kind of wherein preferred embodiment, S is can be used in the liquid cooling pipeline 21 being set in liquid cooling plate 2
The structure of shape bend pipe, the structure of S-shaped bend pipe increase the arrangement length of liquid cooling pipeline 21 relative to the structure of U-bend, from whole
Heat dissipation effect is improved on body, to guarantee the stability of probe unit 1.21 liquid inlet of liquid cooling pipeline and liquid outlet setting simultaneously
Can rationally using space and have neat and artistic in the both ends of liquid cooling plate 2 convenient for arrangement liquid feed device 3 and radiating subassembly 5
Effect.Liquid cooling plate 2 can be aluminium base matter, can save cost using aluminium base material, and can reduce weight, reach light weight
Effect, simultaneously as the power of SiPM chip 121 is low, so the liquid cooling plate 2 of aluminium base material can guarantee heat dissipation effect.
As shown in Figure 1, radiating subassembly 5 includes 51, at least one fan 52, cooling stand 53 of heat dissipation row；Heat dissipation row's 51
Liquid inlet is connect with liquid cooling pipeline 21, and the liquid outlet of heat dissipation row 51 is connect with liquid feed device 3, and fan 52 is juxtaposed on heat dissipation row
It can radiate on 51 and to heat dissipation row 51；Radiating subassembly 5 is fixed on liquid cooling plate 2 by cooling stand 53；It will be air-cooled
With two methods of liquid cooling collective effect in liquid cooling detector, the operating temperature of SiPM chip 121 can preferably be made to be in one
Lower worked environment, can cool down in time, to improve the efficiency of detection, improve picture quality.
As shown in Figure 1, liquid feed device 3 includes liquid pump 31, liquid pump bracket 32, liquid reserve tank 33 and liquid storage box bracket 34；Liquid pump
31 are fixed on liquid cooling plate 2 by liquid pump bracket 32, and liquid reserve tank 33 is fixed on liquid cooling plate 2 by liquid storage box bracket 34；Liquid pump
31 liquid inlet is connected to the liquid outlet of liquid reserve tank 33, and the liquid outlet of liquid pump 31 is connected to the liquid inlet of liquid cooling pipeline 21, liquid storage
The liquid inlet of case 33 is connected to the liquid outlet of heat dissipation row 51, and liquid pump 31, liquid reserve tank 33, liquid cooling pipeline 21 and radiating subassembly 5 are successively
Circulation fluid path is connected to and formed by circulation line 4, and being formed by circulation fluid path can guarantee probe unit 1 always in one
Lower low temperature environment, the present invention using the flexible plastic tube of internal diameter 5mm-6mm outer diameter 6mm-7mm, preferably internal diameter 5mm,
The flexible plastic tube of outer diameter 6mm.Liquid pump 31 in present specification is preferably Miniature liquid pump, Miniature liquid pump small, volume with noise
Small feature is relatively specific for the quiet place as hospital.
In another preferred embodiment, liquid injection hole 6 is provided on liquid reserve tank 33, liquid reserve tank 33 can be for using transparent
The cylindrical liquid reserve tank or rectangular liquid containers of material preferably use the round liquid reserve tank of transparent material, with attractive, decorative
Effect, liquid level can be observed using transparent material in time, so as not to injection coolant liquid it is excessive or very few, inspection convenient to carry out
It looks into.
In addition, silicagel pad 7 is additionally provided between probe unit 1 and liquid cooling plate 2, silicagel pad 7 and 12 size of SiPM circuit board
It is equal, silicagel pad 7 with a thickness of 1mm-1.5mm, preferably 1mm；By the coupling of silicagel pad 7, SiPM circuit board can be improved
12 with the heat conduction efficiency of liquid cooling plate 2.SiPM chip 121 is a kind of novel photoelectric detector and has high gain, sensitive
The features such as degree is high, biased electrical is forced down, is insensitive to magnetic field, compact-sized, is widely used in the field of nuclear medicine.
The present invention also provides the assembly methods of the liquid cooling detector: step 1: will first be consolidated each probe unit 1 with screw
It is scheduled on liquid cooling plate 2, the side of liquid cooling plate 2 is threaded hole in advance, between probe unit 1 and liquid cooling plate 2, installs one piece
SiPM circuit board 12 and liquid cooling plate 2 are improved by the coupling of silicagel pad 7 with the equal-sized silicagel pad 7 of SiPM circuit board 12
Heat conduction efficiency；Step 2: liquid pump 31, is first fixed on liquid pump bracket 32 by installation liquid pump 31, then with screw by liquid pump
Bracket 32 is fixed on liquid cooling plate 2；It is connected step 3: liquid reserve tank 33 is first fixed on liquid storage box bracket 34, then connects liquid pump
Circulation line 4 between 31 and liquid reserve tank 33, then liquid storage box bracket 34 is screwed on liquid cooling plate 2；Step 4: will dissipate
Hot component 5 is fixed on cooling stand 53, and then cooling stand 53 is fixed on liquid cooling plate 2 with screw；5th step, successively connects
Connect the circulation line 4 and heat dissipation group between circulation line 4, liquid cooling plate 2 and the radiating subassembly 5 between liquid pump 31 and liquid cooling plate 2
Circulation line 4 between part 5 and liquid reserve tank 33；Step 5: the liquid injection hole 6 by liquid reserve tank 33 injects coolant liquid.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of liquid cooling detector, which is characterized in that the liquid cooling detector include: liquid cooling plate, liquid feed device, radiating subassembly with
And multiple probe units；The probe unit is mounted on the side of the liquid cooling plate, the liquid feed device and the heat dissipation group
Part is set to the other side of the liquid cooling plate；Liquid cooling pipeline, the liquid feed device, the liquid cooling pipe are provided on the liquid cooling plate
Road and the radiating subassembly are sequentially communicated and form circulation fluid path.
2. liquid cooling detector as described in claim 1, it is characterised in that: the probe unit includes shell and is set to institute
State the scintillation crystal and SiPM circuit board in shell；Multiple SiPM chips, the SiPM electricity are provided on the SiPM circuit board
The side for being provided with the SiPM chip of road plate is connect with the scintillation crystal, and the shell is formed with open end and described opens
Mouth end can be installed on the liquid cooling plate, and the SiPM circuit board is arranged close to the liquid cooling plate.
3. liquid cooling detector as claimed in claim 2, it is characterised in that: multiple SiPM chip arrays are distributed in described
On SiPM circuit board.
4. liquid cooling detector as claimed in claim 2, it is characterised in that: the SiPM circuit board and the scintillation crystal use
Optics glue sticking.
5. liquid cooling detector as claimed in claim 2, it is characterised in that: be additionally provided with data output on the liquid cooling plate and connect
Mouthful, the data output interface is set to one end that the liquid cooling plate is connect with the radiating subassembly, the data output interface
It is connect by conducting wire with the SiPM circuit board.
6. the liquid cooling detector as described in claim 1-5 any one, it is characterised in that: the probe unit and the liquid
Silicagel pad is additionally provided between cold plate.
7. the liquid cooling detector as described in claim 1-5 any one, it is characterised in that: the liquid cooling pipeline is bending setting
Copper pipe in the liquid cooling plate；The liquid inlet of the liquid cooling pipeline is connect with the liquid outlet of the liquid feed device, the liquid cooling
The liquid outlet of pipeline is connect with the liquid inlet of the radiating subassembly.
8. the liquid cooling detector as described in claim 1-5 any one, it is characterised in that: the radiating subassembly includes heat dissipation
Row, at least one fan, cooling stand；The liquid inlet of the heat dissipation row and the liquid cooling piping connection, the heat dissipation row's goes out
Liquid mouth is connect with the liquid feed device, and the fan, which is juxtaposed on the heat dissipation row above and can discharge into row to heat dissipation, to be dissipated
Heat；The heat dissipation row is fixed on the liquid cooling plate by the cooling stand.
9. liquid cooling detector as claimed in claim 8, it is characterised in that: the liquid feed device includes liquid pump, liquid pump bracket, storage
Liquid case and liquid storage box bracket；The liquid pump is fixed on the liquid cooling plate by the liquid pump bracket, and the liquid reserve tank passes through institute
Liquid storage box bracket is stated to be fixed on the liquid cooling plate；The liquid inlet of the liquid pump is connected to the liquid outlet of the liquid reserve tank, described
The liquid outlet of liquid pump is connected to the liquid inlet of the liquid cooling pipeline, the liquid outlet of the liquid inlet of the liquid reserve tank and the heat dissipation row
Connection.
10. liquid cooling detector as described in claim 9, it is characterised in that: be provided with liquid injection hole on the liquid reserve tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591350.2A CN110261885B (en) | 2019-07-02 | 2019-07-02 | Liquid cooling detector for PET system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591350.2A CN110261885B (en) | 2019-07-02 | 2019-07-02 | Liquid cooling detector for PET system |
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| Publication Number | Publication Date |
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| CN110261885A true CN110261885A (en) | 2019-09-20 |
| CN110261885B CN110261885B (en) | 2021-06-15 |
Family
ID=67923959
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910591350.2A Active CN110261885B (en) | 2019-07-02 | 2019-07-02 | Liquid cooling detector for PET system |
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| JP2845012B2 (en) * | 1992-02-04 | 1999-01-13 | 日本鋼管株式会社 | Cooling method of optical element |
| JPH09177601A (en) * | 1994-06-15 | 1997-07-11 | Kubota Corp | Cooling device for siamese cylinder |
| US20050067579A1 (en) * | 2003-09-30 | 2005-03-31 | Katsutoshi Tsuchiya | Nuclear medicine imaging apparatus |
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| CN110261885B (en) | 2021-06-15 |
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