CN205433722U - Collimator - Google Patents
Collimator Download PDFInfo
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- CN205433722U CN205433722U CN201521103639.9U CN201521103639U CN205433722U CN 205433722 U CN205433722 U CN 205433722U CN 201521103639 U CN201521103639 U CN 201521103639U CN 205433722 U CN205433722 U CN 205433722U
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Abstract
The utility model provides a collimator, its each function block through to collimator among the prior art has carried out structural change, and arrange through reasonable integrated configuration and realized the combination of three independent function block, the ray that makes collimator blocks the safeguard function, filtering capability and adjustment ray fan -beam width function have been passed through independent structure separately and have been realized, and do not have the intersection and the mutual interference of structure when intercombination yet, thereby the complexity of collimator system has been reduced, just can realize the same intermodule replacement through simple dismantlement simultaneously, the maintenance work of maintenance engineer has been made things convenient for.
Description
Technical field
This utility model relates to Medical Equipment design field, particularly relates to a kind of collimator.
Background technology
Collimator is the significant components of CT (ComputedTomography CT scan) machine.Collimator typically has three important effects, and one is filtration and the stop of the X-ray that the bulb to CT machine is launched；Two are, set different X-ray filters according to different scanning position with the feature of crowd；Three are, according to the difference of scan protocols, control the ray fan beam width of X-ray.The most structure comparison of existing collimator design is compact, it is achieved each functional unit of above three effect intersects overlap, and each functional unit cannot be completely independent so that structure is unintelligible, and this can bring the biggest puzzlement to service engineer.
Utility model content
This utility model provides a kind of collimator, collimator design to have been become the combination of three standalone feature assemblies, reduce the complexity of collimator system, and just can realize identical intermodule replacement by simple dismounting, facilitate the maintenance work of service engineer.
In order to achieve the above object, this utility model provides a kind of collimator, it includes supporting and guard assembly, filter assemblies and section assembly, assembly is detachable with described support and guard assembly the most respectively is connected for described filter assemblies and section, ray passes sequentially through described section assembly and filter assemblies after injecting described collimator, described section assembly injects the fan beam width of described collimator for adjusting ray, described filter assemblies for make described ray through different filters, to carry out different types of scanning work.
Further, described support and guard assembly are box body structure, described box body structure has upper shed and side opening, described filter assemblies is arranged in described box body structure at described side opening pullablely, described section assembly is covered on described box body structure at described upper shed, to close the upper shed of described box body structure.
Further, described section assembly includes aluminium sheet and fan beam width guiding mechanism, described aluminium sheet is arranged on described support and guard assembly removably, described fan beam width guiding mechanism is arranged in described aluminium sheet, and described fan beam width guiding mechanism injects the fan beam width of described collimator for adjusting described ray.
Further, described fan beam width guiding mechanism includes two pieces of chip boards be arrangeding in parallel and for regulating the distance adjusting mechanism of the spacing of described two pieces of chip boards, and described distance adjusting mechanism is fixedly installed in described aluminium sheet.
Further, described distance adjusting mechanism includes two sleeve screw rod linear transmission mechanisms, described two pieces of chip boards are connected with described two sleeve screw rod linear transmission mechanisms respectively, and can move, to adjust the distance between described two pieces of chip boards by the screw mandrel along corresponding screw mandrel linear transmission mechanism respectively.
Further, described filter assemblies includes filter replacement assembly and filter floating mount, described filter replacement assembly is removable installed on described filter floating mount, and described filter floating mount is arranged at the side of described support and guard assembly pullablely.
Further, described filter replacement assembly includes filter mounting, butterfly filter unit, filter fixing plate and fixing screw, described filter mounting is connected by described fixing screw is detachable with described filter floating mount, described butterfly filter unit is fixedly installed on described filter mounting by described filter fixing plate, described butterfly filter unit includes that at least one butterfly filter, at least one butterfly filter described are arranged side by side along the moving direction of described filter floating mount.
Further, described butterfly filter unit includes that body butterfly filter, head butterfly filter and baby's butterfly filter, described body butterfly filter, head butterfly filter and baby's butterfly filter are arranged side by side along the moving direction of described filter floating mount.
nullFurther，Described filter floating mount includes guiding optical axis、Linear bearing、Base and flat-panel filter unit，Described filter replacement assembly is detachable with described base to be connected，Described linear bearing and described flat-panel filter unit are all fixedly installed on described base，Described guiding optical axis is arranged in described linear bearing，And can by self rotarily drive described base moving axially along described guiding optical axis，Described flat-panel filter unit includes at least one flat-panel filter，Described at least one flat-panel filter being axially arranged side by side along described guiding optical axis，Flat-panel filter in described flat-panel filter unit is identical with the quantity of butterfly filter in described filter replacement assembly and position one_to_one corresponding，Described ray sequentially passes through described butterfly filter and the flat-panel filter of correspondence after injecting described collimator.
Further, described flat-panel filter unit includes body flat-panel filter, head plate filter and baby's flat-panel filter, described body flat-panel filter, head plate filter and baby's flat-panel filter being axially arranged side by side along described guiding optical axis.
Further, described filter floating mount also includes that focus measures plate, and described focus is measured plate and is fixedly installed on described base.
Compared with prior art, this utility model has the advantages that
The collimator that this utility model provides is by having carried out the change in structure to each functional unit of collimator in prior art, and the combination of three standalone feature assemblies is achieved by the arrangement of rational combinative structure, make the blocking radiation safeguard function of collimator, filtering function and adjustment ray fan beam width function realize each via independent structure, and there will not be the intersection of structure when being mutually combined and interfere, thus reduce the complexity of collimator system, just can realize identical intermodule by simple dismounting to replace simultaneously, facilitate the maintenance work of service engineer.
Accompanying drawing explanation
The utility model is described in further detail below in conjunction with the accompanying drawings:
The combinative structure schematic diagram of the collimator that Fig. 1 provides for this utility model embodiment；
The fractionation structural representation of the collimator that Fig. 2 provides for this utility model embodiment；
The combinative structure schematic diagram of filter assemblies in the collimator that Fig. 3 provides for this utility model embodiment；
The fractionation structural representation of filter assemblies in the collimator that Fig. 4 provides for this utility model embodiment.
In Fig. 1 is to 4,
1: support and guard assembly；2: filter assemblies；3: section assembly；100: filter replacement assembly；101: filter mounting；102: body butterfly filter；103: head butterfly filter；104: baby's butterfly filter；105: filter fixing plate；106: fixing screw；200: filter floating mount；201: guide optical axis；202: linear bearing；203: base；204: focus measures plate；205: body flat-panel filter；206: head plate filter；207: baby's flat-panel filter；301: aluminium sheet；302: chip board；303: screw mandrel linear transmission mechanism.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the collimator that the utility model proposes is described in further detail.According to following explanation and claims, advantage of the present utility model and feature will be apparent from.It should be noted that, accompanying drawing all uses the form simplified very much and all uses non-ratio accurately, only in order to purpose convenient, aid illustration this utility model embodiment lucidly.
Core concept of the present utility model is, a kind of collimator is provided, it is by having carried out the change in structure to each functional unit of collimator in prior art, and the combination of three standalone feature assemblies is achieved by the arrangement of rational combinative structure, make the blocking radiation safeguard function of collimator, filtering function and adjustment ray fan beam width function realize each via independent structure, and there will not be the intersection of structure when being mutually combined and interfere, thus reduce the complexity of collimator system, just can realize identical intermodule by simple dismounting to replace simultaneously, facilitate the maintenance work of service engineer.
Refer to Fig. 1 to 4, the combinative structure schematic diagram of the collimator that Fig. 1 provides for this utility model embodiment；The fractionation structural representation of the collimator that Fig. 2 provides for this utility model embodiment；The combinative structure schematic diagram of filter assemblies in the collimator that Fig. 3 provides for this utility model embodiment；The fractionation structural representation of filter assemblies in the collimator that Fig. 4 provides for this utility model embodiment.
As depicted in figs. 1 and 2, this utility model embodiment provides a kind of collimator, the X-ray being mainly used in the injection of the bulb to CT filters, stop and fan beam width adjusts, it includes supporting and guard assembly 1, filter assemblies 2 and section assembly 3, assembly 3 is detachable with guard assembly 1 with described support the most respectively is connected for described filter assemblies 2 and section, ray passes sequentially through described section assembly 3 and filter assemblies 2 after injecting described collimator, described section assembly 3 injects the fan beam width of described collimator for adjusting ray, described filter assemblies 2 is for making described ray through different filters, to carry out different types of scanning work.
The collimator that this utility model embodiment provides is by having carried out the change in structure to each functional unit of collimator in prior art, and the combination of three standalone feature assemblies is achieved by the arrangement of rational combinative structure, make the blocking radiation safeguard function of collimator, filtering function and adjustment ray fan beam width function support and guard assembly 1 each via independent structure, filter assemblies 2 and section assembly 3 realize respectively, and there will not be the intersection of structure when being mutually combined and interfere, thus reduce the complexity of collimator system, just can realize identical intermodule by simple dismounting to replace simultaneously, facilitate the maintenance work of service engineer.
Further, described support and guard assembly 1 are box body structure, described box body structure has upper shed and side opening, described filter assemblies 2 is arranged in described box body structure at described side opening pullablely, described section assembly 3 is covered on described box body structure at described upper shed, to close the upper shed of described box body structure.While the combined structure design of this three functional units makes each functional unit the most not exist and interfere, by filter assemblies 2 and the protective plate cut into slices outside assembly 3, ray can also be played secondary retention effect, strengthen the stop safeguard function of this support and guard assembly 1.
Further, described section assembly 3 includes aluminium sheet 301 and fan beam width guiding mechanism, described aluminium sheet 301 is arranged on described support and guard assembly 1 removably, described fan beam width guiding mechanism is arranged in described aluminium sheet 301, and described fan beam width guiding mechanism injects the fan beam width of described collimator for adjusting described ray.
In the present embodiment, described fan beam width guiding mechanism includes two pieces of chip boards be arrangeding in parallel 302 and for regulating the distance adjusting mechanism of the spacing of described two pieces of chip boards 302, and described distance adjusting mechanism is fixedly installed in described aluminium sheet 301.Further, described distance adjusting mechanism includes two sleeve screw rod linear transmission mechanisms 303, described two pieces of chip boards 302 are connected with described two sleeve screw rod linear transmission mechanisms 303 respectively, and can move by the screw mandrel along corresponding screw mandrel linear transmission mechanism 303 respectively, to adjust the distance between described two pieces of chip boards 302, and then adjust the fan beam width of the ray injected between two pieces of chip boards 302.Above-mentioned screw mandrel linear transmission mechanism 303 is prior art, therefore just repeats no more at this.
Further, described filter assemblies 2 includes filter replacement assembly 100 and filter floating mount 200, described filter replacement assembly 100 is removable installed on described filter floating mount 200, and described filter floating mount 200 is arranged at the side of described support and guard assembly 1 pullablely.When filter changed by needs, described filter floating mount 200 only need to be extracted out, and filter replacement assembly 100 described in integral replacing or be individually replaced butterfly filter therein, facilitate attendant's replacing for parts.
Further, described filter replacement assembly 100 includes filter mounting 101, butterfly filter unit, filter fixing plate 105 and fixing screw 106, described filter mounting 101 is connected by described fixing screw 106 is detachable with described filter floating mount 200, described butterfly filter unit is fixedly installed on described filter mounting 101 by described filter fixing plate 105, described butterfly filter unit includes that at least one butterfly filter, at least one butterfly filter described are arranged side by side along the moving direction of described filter floating mount 200.nullDescribed filter floating mount 200 includes guiding optical axis 201、Linear bearing 202、Base 203 and flat-panel filter unit，Described filter replacement assembly 100 is detachable with described base 200 to be connected，Described linear bearing 202 and described flat-panel filter unit are all fixedly installed on described base 203，Described guiding optical axis 201 is arranged in described linear bearing 202，And can by self rotarily drive described base 203 moving axially along described guiding optical axis 201，Described flat-panel filter unit includes at least one flat-panel filter，Described at least one flat-panel filter being axially arranged side by side along described guiding optical axis 201，Flat-panel filter in described flat-panel filter unit is identical with the quantity of butterfly filter in described filter replacement assembly 100 and position one_to_one corresponding，Described ray sequentially passes through single butterfly filter and the flat-panel filter of correspondence after injecting described collimator，To realize the different types of scanning work of X-ray.
In the present embodiment, described butterfly filter unit includes body butterfly filter 102, head butterfly filter 103 and baby's butterfly filter 104, described body butterfly filter 102, head butterfly filter 103 and baby's butterfly filter 104 are along the moving direction of described filter floating mount 200, being axially arranged side by side of the most described guiding optical axis 201.Described flat-panel filter unit includes body flat-panel filter 205, head plate filter 206 and baby's flat-panel filter 207, described body flat-panel filter 205, head plate filter 206 and baby's flat-panel filter 207 being axially arranged side by side along described guiding optical axis 201.Described body butterfly filter 102 and body flat-panel filter 205, head butterfly filter 102 and head plate filter 206 and baby's butterfly filter 103 and baby's flat-panel filter 207 each self-forming filter group respectively, thus separately constitute specific filtration combination, one complete filter assemblies must comprise butterfly filter and flat-panel filter simultaneously, and then play respective filtration, to realize the different types of scanning work of X-ray.
The filter assemblies 2 that this utility model embodiment provides utilizes guiding optical axis 201 to guide, and drive it to rotate by motor and then drive base 203 and each filter of being mounted thereon to move along wire optical axis 201, it is achieved that being switched fast between different filters.Simultaneously as filter is Service Parts, each a period of time needs upgrading.For the service feature of filter, polylith filter is designed as an independent Field Replaceable Unit, it is achieved that overall quick-replaceable upgrade service.
Further, described filter floating mount 200 also includes that focus measures plate 204, and described focus is measured plate 204 and is fixedly installed on described base 203, and the effect of described focus test board 204 is the size measuring focus when CT machine image rectification.
Obviously, those skilled in the art can carry out various change and modification without deviating from spirit and scope of the present utility model to this utility model.So, if of the present utility model these change and modification belongs within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (8)
- null1. a collimator，It is characterized in that，Including supporting and guard assembly、Filter assemblies and section assembly，Assembly is detachable with described support and guard assembly the most respectively is connected for described filter assemblies and section，Ray passes sequentially through described section assembly and filter assemblies after injecting described collimator，Described filter assemblies includes filter replacement assembly and filter floating mount，Described filter replacement assembly is removable installed on described filter floating mount，Described filter floating mount is arranged at the side of described support and guard assembly pullablely，Described filter replacement assembly includes filter mounting、Butterfly filter unit、Filter fixing plate and fixing screw，Described filter mounting is connected by described fixing screw is detachable with described filter floating mount，Described butterfly filter unit is fixedly installed on described filter mounting by described filter fixing plate，Described butterfly filter unit includes at least one butterfly filter，At least one butterfly filter described is arranged side by side along the moving direction of described filter floating mount.
- Collimator the most according to claim 1, it is characterized in that, described support and guard assembly are box body structure, described box body structure has upper shed and side opening, described filter assemblies is arranged in described box body structure at described side opening pullablely, described section assembly is covered on described box body structure at described upper shed, to close the upper shed of described box body structure.
- Collimator the most according to claim 1, it is characterised in that described section assembly includes aluminium sheet and fan beam width guiding mechanism, described aluminium sheet is arranged on described support and guard assembly removably, and described fan beam width guiding mechanism is arranged in described aluminium sheet.
- Collimator the most according to claim 3, it is characterized in that, described fan beam width guiding mechanism includes two pieces of chip boards be arrangeding in parallel and for regulating the distance adjusting mechanism of the spacing of described two pieces of chip boards, and described distance adjusting mechanism is fixedly installed in described aluminium sheet.
- Collimator the most according to claim 4, it is characterized in that, described distance adjusting mechanism includes two sleeve screw rod linear transmission mechanisms, described two pieces of chip boards are connected with described two sleeve screw rod linear transmission mechanisms respectively, and can move, to adjust the distance between described two pieces of chip boards by the screw mandrel along corresponding screw mandrel linear transmission mechanism respectively.
- Collimator the most according to claim 1, it is characterized in that, described butterfly filter unit includes that body butterfly filter, head butterfly filter and baby's butterfly filter, described body butterfly filter, head butterfly filter and baby's butterfly filter are arranged side by side along the moving direction of described filter floating mount.
- nullCollimator the most according to claim 1，It is characterized in that，Described filter floating mount includes guiding optical axis、Linear bearing、Base and flat-panel filter unit，Described filter replacement assembly is detachable with described base to be connected，Described linear bearing and described flat-panel filter unit are all fixedly installed on described base，Described guiding optical axis is arranged in described linear bearing，And can by self rotarily drive described base moving axially along described guiding optical axis，Described flat-panel filter unit includes at least one flat-panel filter，Described at least one flat-panel filter being axially arranged side by side along described guiding optical axis，Flat-panel filter in described flat-panel filter unit is identical with the quantity of butterfly filter in described filter replacement assembly and position one_to_one corresponding，Described ray sequentially passes through described butterfly filter and the flat-panel filter of correspondence after injecting described collimator.
- Collimator the most according to claim 7, it is characterized in that, described flat-panel filter unit includes body flat-panel filter, head plate filter and baby's flat-panel filter, described body flat-panel filter, head plate filter and baby's flat-panel filter being axially arranged side by side along described guiding optical axis.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103639.9U CN205433722U (en) | 2015-12-25 | 2015-12-25 | Collimator |
| EP16859086.7A EP3369380B1 (en) | 2015-10-30 | 2016-10-28 | Collimator for use in scanning system |
| PCT/CN2016/103800 WO2017071651A1 (en) | 2015-10-30 | 2016-10-28 | Collimator for use in scanning system |
| US15/772,068 US10799190B2 (en) | 2015-10-30 | 2016-10-28 | Collimator of a scanning system |
| US17/067,936 US11457879B2 (en) | 2015-10-30 | 2020-10-12 | Collimator of a scanning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103639.9U CN205433722U (en) | 2015-12-25 | 2015-12-25 | Collimator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205433722U true CN205433722U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103639.9U Active CN205433722U (en) | 2015-10-30 | 2015-12-25 | Collimator |
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| Country | Link |
|---|---|
| CN (1) | CN205433722U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071651A1 (en) * | 2015-10-30 | 2017-05-04 | 上海联影医疗科技有限公司 | Collimator for use in scanning system |
| US10702221B2 (en) | 2015-12-25 | 2020-07-07 | Shanghai United Imaging Healthcare Co., Ltd. | Methods and systems for CT balance measurement and adjustment |
| CN111407318A (en) * | 2020-03-19 | 2020-07-14 | 臧庆峰 | Ultrasonic X-ray tomography device |
| EP4000526A1 (en) * | 2021-04-29 | 2022-05-25 | Siemens Healthcare GmbH | Ct system with a collimator plate and method for fixing a collimator plate of a ct system |
| WO2023173921A1 (en) * | 2022-03-16 | 2023-09-21 | 中核高能(天津)装备有限公司 | Apparatus for single photon emission computed tomography, and processing method for projection data |
-
2015
- 2015-12-25 CN CN201521103639.9U patent/CN205433722U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017071651A1 (en) * | 2015-10-30 | 2017-05-04 | 上海联影医疗科技有限公司 | Collimator for use in scanning system |
| US10799190B2 (en) | 2015-10-30 | 2020-10-13 | Shanghai United Imaging Healthcare Co., Ltd. | Collimator of a scanning system |
| US11457879B2 (en) | 2015-10-30 | 2022-10-04 | Shanghai United Imaging Healthcare Co., Ltd. | Collimator of a scanning system |
| US10702221B2 (en) | 2015-12-25 | 2020-07-07 | Shanghai United Imaging Healthcare Co., Ltd. | Methods and systems for CT balance measurement and adjustment |
| US11399781B2 (en) | 2015-12-25 | 2022-08-02 | Shanghai United Imaging Healthcare Co., Ltd. | Methods and systems for CT balance measurement and adjustment |
| CN111407318A (en) * | 2020-03-19 | 2020-07-14 | 臧庆峰 | Ultrasonic X-ray tomography device |
| EP4000526A1 (en) * | 2021-04-29 | 2022-05-25 | Siemens Healthcare GmbH | Ct system with a collimator plate and method for fixing a collimator plate of a ct system |
| WO2023173921A1 (en) * | 2022-03-16 | 2023-09-21 | 中核高能(天津)装备有限公司 | Apparatus for single photon emission computed tomography, and processing method for projection data |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Patentee after: Shanghai Lianying Medical Technology Co., Ltd Address before: 201807 Shanghai City, north of the city of Jiading District Road No. 2258 Patentee before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |