CN205562822U - Pet crystal sealing device - Google Patents
Pet crystal sealing device Download PDFInfo
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- CN205562822U CN205562822U CN201620352287.9U CN201620352287U CN205562822U CN 205562822 U CN205562822 U CN 205562822U CN 201620352287 U CN201620352287 U CN 201620352287U CN 205562822 U CN205562822 U CN 205562822U
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Abstract
The utility model provides a PET crystal sealing device supplies sealed in PET detector module, and the module includes an at least crystal, crystal photoelectric detection unit, and crystal photoelectric detection unit is including the crystal detection circuit board and the crystal detection keysets that bond each other, and the device includes: piece and crystal shield cover are shielded in the detection, the detection is shielded and to be connected the periphery that shields the roof and towards shielding the frame that shields that roof one side extends including shielding the roof and corresponding, is equipped with a plurality of openings that supply crystal detection circuit board interface and crystal detection keysets interface to wear to establish on shielding the roof, shields the week side setting of frame parcel crystal photoelectric detection unit, on the crystal of corresponding number was located to crystal shield cover cover, the crystal shield cover had and corresponds the cover that seals the crystal top surface and establish the bottom plate and correspond the cover that seals the crystal side and establish the frame to the photosurface that supplies the crystal is shielded. The device has solved and has shielded and prevented the sealed problem that the external light shines to a plurality of crystal.
Description
Technical field
This utility model belongs to PET imaging crystal technology field, seals dress particularly to a kind of PET crystal
Put.
Background technology
PET is Positron Emission Computed Tomography (Positron Emission computed
Tomography) english abbreviation.It is expelled to be subject to by the radionuclide indicating the sub-compound of positively charged
In inspection person's body, allowing person under inspection carry out PET scan in the range of the effective field of view of PET, active nucleus is launched
The positron gone out negatron in tissue is combined generation annihilation radiation, produces two energy equal (511
Kev) γ photon, in opposite direction.Two photons are detected by two detectors and are judged as a symbol
Conjunction event, detection system detects and substantial amounts of meets event, after classifying data, draws different symbol
Volume of event on zygonema direction, is processed by electronic computer, and in reconstructing human body, positron radionuclide is assembled
Distribution.
Existing PET crystal detection device majority is monoclinic crystal structure, has little the lacking of signal coverage rate
Point, thus cause, when cancerous cell detects, being only able to detect Late stage cancer cells, for cancerous cell in early days
Cannot be detected.And multiple crystal constitutes an assembly, increase the signal area coverage of detection, from
And can effectively detect cancerous cell in early days, but in present stage, the detection of multiple crystal is also deposited
In a technical problem, owing to crystal is light-sensitive element, in use, ambient light is once had to enter, will
Cause the data volume excessive (the most irrelevant data) of collection, cause the later stage to meet at the images such as process
Reason pressure is excessive.And existing shading treatment that crystal is carried out, it is all directly to carry out multilamellar envelope at plane of crystal
Glue, on the one hand affects transmission attractive in appearance, to reduce detectable signal, on the other hand, uses existence for a long time
Leakage problem, therefore, is badly in need of the problem that a kind of device solves to prevent ambient light from irradiating crystal.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that a kind of PET crystal sealing device,
Solve crystal and crystal photoelectric detection unit anti-printing opacity sealing problem, decrease the later stage eligible
Image procossing amount problems of too, and solve leakage problem in the case of not affecting detectable signal.
This utility model provides a kind of PET crystal sealing device, for the sealing of pet detector module,
The crystal photoelectric detection unit that described pet detector module includes at least one crystal, is connected with crystal, institute
State crystal detection circuit plate and crystal detection keyset, institute that crystal photoelectric detection unit includes being mutually bonded
State device to include: detection covering and crystal radome；Described detection covering is for housing and covering
Described crystal photoelectric detection unit, described detection covering includes covering top board and the described screening of corresponding connection
Cover the periphery of top board and cover, towards described, the shadow frame that top board side extends, described in cover top board and be provided with
The multiple openings worn for crystal detection circuit plate interface and crystal detection keyset interface, described shadow frame
Frame wraps up all sides of described crystal photoelectric detection unit and arranges, for covering described crystal detection circuit plate；
Described crystal radome covers on the crystal of corresponding number, and described crystal radome has corresponding closing crystalline substance
The cover of body end face sets the cover of base plate and corresponding enclosed crystal side and sets framework, photosensitive for described crystal
Surface is shielded.
Preferably, described crystal radome is hollow and the rectangular structure of one side opening, described crystal screen
All sides size of the corresponding described crystal of opening covering cover is arranged；The number of described crystal is more than or equal to two,
Described crystal becomes string and arranges together, and the hollow accommodation space correspondence string that described crystal radome has is also
The volume of the neat crystal arranged is arranged.
Preferably, described crystal radome is the bending mask worn for γ photon.
Preferably, described bending mask includes the base plate of integral type and four bending plates, described in four
The connecting sewing of bending plate is provided with the protection glue-line for shading.
Preferably, the thickness range of described crystal radome is 0.15mm to 0.3mm.
Preferably, described crystal radome is provided with a bonding protection glue-line with the connection surface of described crystal.
Preferably, via a shading adhesive plaster at the connection gap of described detection covering and crystal radome
Layer is mutually bonding.
The PET crystal sealing device that this utility model provides, is housed by detection covering and covers described
Crystal photoelectric detection unit, crystal detection circuit plate and/or crystal are detected keyset envelope by detection covering
Being loaded on crystal and cover the inside of suspension member, covering top board can be as connecting detector suspension member and crystal circuit
The connecting plate face of plate or closing top board, on the one hand play light bridging effect, on the other hand to whole crystal
Photoelectric detection unit serves the protective effect of anticollision.Corresponding is covered at by described crystal radome
On the crystal of number, cover sets base plate correspondence enclosed crystal end face, and cover sets the crystal on side face that framework correspondence is closed,
The photosensitive surface achieving crystal is shielded.Therefore, which solves multiple crystal are covered with
And prevent the problem that ambient light irradiates, this device is convenient to mount and dismount, it is simple to batch production and parts the most more
Change and safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation that state implemented by this utility model PET crystal sealing device first；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the structural representation that state implemented by this utility model PET crystal sealing device second；
Fig. 4 is the explosive view of Fig. 3.
Detailed description of the invention
For the benefit of the understanding to structure of the present utility model, illustrates below in conjunction with drawings and Examples.
Fig. 1 is the structural representation that state implemented by this utility model PET crystal sealing device first, and Fig. 2 is
The explosive view of Fig. 1, Fig. 3 is the structural representation that state implemented by this utility model PET crystal sealing device second
Figure, Fig. 4 is the explosive view of Fig. 3.In conjunction with shown in Fig. 1 to Fig. 4, it is brilliant that this utility model provides a kind of PET
Body sealing device, for the sealing of pet detector module 2, described pet detector module 2 includes at least one
Crystal 21, the crystal photoelectric detection unit 22 being connected with crystal 21, further, described crystal light electrical resistivity survey
Survey crystal detection circuit plate 221 and crystal detection keyset 222 that unit 22 includes being mutually bonded.
PET crystal sealing device includes: detection covering 1 and crystal radome 3.
Described detection covering 1 is for housing and covering described crystal photoelectric detection unit 22, described detection
Covering 1 includes covering described in top board and corresponding connection covers the periphery of top board and covers top board towards described
The shadow frame that side extends, described in cover top board and be provided with for crystal detection circuit plate 221 interface and crystalline substance
Multiple openings that body detection keyset 222 interface wears, described shadow frame wraps up described crystal light electrical resistivity survey
The all sides surveying unit 22 are arranged, for covering described crystal detection circuit plate 221.
Described crystal radome 3 covers on the crystal 21 of corresponding number, and it is right that described crystal radome 3 has
The cover answering enclosed crystal 21 end face sets the cover of base plate and corresponding enclosed crystal 21 side and sets framework, for institute
The photosensitive surface stating crystal 21 is shielded.
In the present embodiment, when the number of described crystal 21 is more than or equal to two, described crystal 21 becomes string also
Neat setting, described crystal radome 3 is the rectangular structure of hollow and one side opening, and described crystal shields
All sides size of the corresponding described crystal 21 of the opening of cover 3 is arranged.
Hollow accommodation space correspondence string that described crystal radome 3 has the volume of crystal arranged together
Arrange.In concrete application, described crystal radome 3 is the bending mask worn for γ photon.Specifically
Ground is said, described bending mask 3 includes base plate and four bending plates, four described bendings of integral type
The connecting sewing of plate is provided with the protection glue-line for shading.As another preferred version, described crystal shields
Cover 3 is a cuboid block, and the side of described cuboid block hollows out the crystal formed for housing crystal 21 and holds
Between being empty.
Further, the thickness range of described crystal radome 3 is 0.15mm to 0.3mm.Further,
Described crystal radome 3 is provided with a bonding protection glue-line, this bonding guarantor with the connection surface of described crystal 21
Protecting glue-line, to be mainly used in crystal radome bonding with crystal.Further, described detection covering 1
And it is mutually bonding via a shading glue layer of cloth at the connection gap of crystal radome 3, to prevent detection from covering
The gap location of part 1 and crystal radome 3 is irradiated by sunlight.
Hereinafter the concrete application specific details of the PET crystal sealing device that this utility model provides is carried out in detail
Explanation.
As shown in figures 1 and 3,1 for detection covering, 2 be pet detector module, 3 be crystal
Radome.
Wherein, pet detector module 2 is by customizing multiple crystal 21 of size and supporting multiple crystal
Photoelectric detection unit 22 forms, and crystal photoelectric detection unit 22 is by the crystal detection circuit plate being mutually bonded
221 and crystal detection keyset 222 form.Each crystal 21 the most corresponding crystal detection electricity
Road plate 221 and crystal detection keyset 222, may be separately formed an overall structure.In the present embodiment, adopt
With four crystal 21, four crystal 21 are connected respectively crystal detection circuit plate 221, carry out
Respectively after assembling, then four crystal 21 veneers side by side are arranged so that pet detector module 2 is in one
Array type is arranged.
Crystal 21 is light-sensitive element, if having ambient light to enter, on the one hand can cause collection during use
Data volume excessive (the most irrelevant data), causes the later stage to meet the image procossing pressure such as process excessive.
On the other hand, invalid data is excessive, will also result in for image quality and has a strong impact on.Therefore, crystal screen
Covering cover 3 when designing, material uses an overall planar structure, and this planar structure has a base plate and four
The individual side plate treating bending, is folded upward at the four of planar structure side plates (bending plate), converts into and do
Become the cuboid of one side opening of a hollow to form crystal radome.Bending radome 3 is by non-heavy
Metal material is made, thinner thickness, (mainly considers in the range of thickness is arranged on 0.15-0.3mm
The problem of the percent of pass of γ photon).In actual installation, first at crystal radome and described crystal 21
Connection surface be provided with a bonding protection glue-line so that crystal radome 3 is completely embedded with crystal 21,
For preventing the connecting sewing printing opacity of four described bending plates, wrap up protection glue-line respectively at each connecting sewing.
Detection covering 1, can be according to structure for housing and covering described crystal photoelectric detection unit 22
Demand, refers to Fig. 1 and Fig. 2, for individually covering crystal detection circuit plate 221, refers to Fig. 3 and Fig. 4,
For jointly covering crystal detection circuit plate 221 and crystal detection keyset 222.Crystal covers suspension member 1 by hiding
Cover and cover the periphery of top board described in top board and corresponding connection and cover, towards described, the screening that top board side extends
Cover framework composition, described in cover top board be provided with for crystal detection circuit plate 221 interface and crystal detection turn
Multiple openings that fishplate bar 222 interface wears, described shadow frame wraps up described crystal photoelectric detection unit 22
All sides arrange, for covering crystal detection circuit plate 221.In the present embodiment, this shadow frame is
The hollow cube body structure of opposite sides opening.
According to the change of detection covering 1 with crystal photoelectric detection unit 22 attachment structure, adjust shadow frame
The height of frame, when specifically applying, refers to the first state diagram shown in Fig. 1 and Fig. 2, when detection covering
1 be arranged on crystal detection circuit plate 221 and crystal detection keyset 222 between time, crystal detection circuit plate
221 interfaces are connected via the opening covered on top board with crystal detection keyset 222 interface, this connection side
Formula is individually covered for crystal detection circuit plate 221, and keyset 222 is exposed is covering top board in crystal detection
Top, the height of shadow frame is arranged with crystal detection circuit plate 221 height such as grade so that under assembled state
Detection covering 1 and the seamless split of crystal photoelectric detection unit.Refer to second shown in Fig. 3 and Fig. 4
State diagram, when detection covering 1 is arranged on crystal detection keyset 222 and crystal detection circuit plate 221
Time, the opening on the crystal detection keyset 222 masked top board of interface extends outwardly, and shadow frame
Height is equal with the height sum of crystal detection keyset 222 and crystal detection circuit plate 221.
When detecting covering 1 with pet detector module 2 and crystal radome 3 installation, logical
Cross shading glue layer of cloth be wound around detection covering 1, crystal radome 3 and detecting covering 1 and crystalline substance
The connection gap of body radome 3, is completely sealed for whole pet detector module.
The PET crystal sealing device that this utility model provides, is housed by detection covering and covers described
Crystal photoelectric detection unit, crystal detection circuit plate and/or crystal are detected keyset envelope by detection covering
Being loaded on crystal and cover the inside of suspension member, covering top board can be as connecting detector suspension member and crystal circuit
The connecting plate face of plate or closing top board, on the one hand play light bridging effect, on the other hand to whole crystal
Photoelectric detection unit serves the protective effect of anticollision.Corresponding is covered at by described crystal radome
On the crystal of number, cover sets base plate correspondence enclosed crystal end face, and cover sets the crystal on side face that framework correspondence is closed,
The photosensitive surface achieving crystal is shielded.Therefore, which solves multiple crystal are covered with
And prevent the problem that ambient light irradiates, this device is convenient to mount and dismount, it is simple to batch production and parts the most more
Change and safeguard.
Above in association with accompanying drawing embodiment, this utility model is described in detail, ordinary skill in this area
This utility model can be made many variations example by personnel according to the above description.Thus, some in embodiment
Details should not constitute restriction of the present utility model, and this utility model will define with appended claims
Scope is as protection domain.
Claims (7)
1. a PET crystal sealing device, for the sealing of pet detector module, described pet detector
The crystal photoelectric detection unit that module includes at least one crystal, is connected with crystal, described crystal photodetection
Unit includes crystal detection circuit plate and the crystal detection keyset being mutually bonded, it is characterised in that described
Device includes: detection covering and crystal radome；
Described detection covering is for housing and covering described crystal photoelectric detection unit, and described detection is covered
Part include covering top board and corresponding connect described in cover the periphery of top board and cover top board side towards described
Extend shadow frame, described in cover top board be provided with for crystal detection circuit plate interface and crystal detection turn
Multiple openings that fishplate bar interface wears, described shadow frame wraps up all sides of described crystal photoelectric detection unit
Arrange, for covering described crystal detection circuit plate；
Described crystal radome covers on the crystal of corresponding number, and described crystal radome has corresponding envelope
Close the cover of crystal end face to set the cover of base plate and corresponding enclosed crystal side and set framework, for described crystal
Photosensitive surface is shielded.
PET crystal sealing device the most according to claim 1, it is characterised in that described crystal screen
Covering cover is hollow and the rectangular structure of one side opening, the corresponding described crystal of the opening of described crystal radome
All sides sizes arrange；The number of described crystal is more than or equal to two, and described crystal becomes string and arranges together,
Hollow accommodation space correspondence string that described crystal radome has the volume of crystal arranged together are arranged.
PET crystal sealing device the most according to claim 2, it is characterised in that described crystal screen
Covering cover is the bending mask worn for γ photon.
PET crystal sealing device the most according to claim 3, it is characterised in that described bending hides
Covering cover and include the base plate of integral type and four bending plates, the connecting sewing of four described bending plates is provided with confession
Protection glue-line in shading.
PET crystal sealing device the most according to claim 1, it is characterised in that described crystal screen
The thickness range covering cover is 0.15mm to 0.3mm.
PET crystal sealing device the most according to claim 5, it is characterised in that described crystal screen
Cover cover and be provided with a bonding protection glue-line with the connection surface of described crystal.
PET crystal sealing device the most according to claim 6, it is characterised in that described detection hides
At the connection gap of shield and crystal radome mutually bonding via a shading glue layer of cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352287.9U CN205562822U (en) | 2016-04-25 | 2016-04-25 | Pet crystal sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352287.9U CN205562822U (en) | 2016-04-25 | 2016-04-25 | Pet crystal sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562822U true CN205562822U (en) | 2016-09-07 |
Family
ID=56806373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620352287.9U Active CN205562822U (en) | 2016-04-25 | 2016-04-25 | Pet crystal sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109223019A (en) * | 2018-09-21 | 2019-01-18 | 上海联影医疗科技有限公司 | A kind of PET probe unit and pet detector |
| US11644585B2 (en) | 2018-09-21 | 2023-05-09 | Shanghai United Imaging Healthcare Co., Ltd. | Systems for imaging |
-
2016
- 2016-04-25 CN CN201620352287.9U patent/CN205562822U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109223019A (en) * | 2018-09-21 | 2019-01-18 | 上海联影医疗科技有限公司 | A kind of PET probe unit and pet detector |
| US11644585B2 (en) | 2018-09-21 | 2023-05-09 | Shanghai United Imaging Healthcare Co., Ltd. | Systems for imaging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: PET crystal sealing device Effective date of registration: 20161118 Granted publication date: 20160907 Pledgee: Ezhou City Tatsu Tatsu Asset Management Co.,Ltd. Pledgor: THE WUHAN DIGITAL PET Co.,Ltd. Registration number: 2015420000023 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CP03 | Change of name, title or address |
Address after: 230000 China (Anhui) pilot Free Trade Zone, Hefei, Anhui Province, the first floor of building C2, national health big data Industrial Park, the intersection of Xiyou road and kongtai Road, Hefei high tech Zone Patentee after: Hefei Ruishi Digital Technology Co.,Ltd. Address before: 430074 No. 666 High-tech Avenue, Donghu Development Zone, Wuhan City, Hubei Province, B1 R&D Building, Area B, C and D, Wuhan National Biological Industrial Base Project Patentee before: THE WUHAN DIGITAL PET Co.,Ltd. |
|
| CP03 | Change of name, title or address |