CN2880010Y - Whole body X-ray detection apparatus for animal - Google Patents
Whole body X-ray detection apparatus for animal Download PDFInfo
- Publication number
- CN2880010Y CN2880010Y CN 200620004111 CN200620004111U CN2880010Y CN 2880010 Y CN2880010 Y CN 2880010Y CN 200620004111 CN200620004111 CN 200620004111 CN 200620004111 U CN200620004111 U CN 200620004111U CN 2880010 Y CN2880010 Y CN 2880010Y
- Authority
- CN
- China
- Prior art keywords
- ray
- detector
- whole body
- scanning
- body skeleton
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model takes whole body examination for animals by direct X-ray digital imaging, and can realize digital, low-dose and high-speed imaging and is applicable in emergency medical treatment. The line scan of the X-ray device is controlled by a microcomputer, and the scanning information is input into the computer, which generates and analyzes the image and realizes film-free digital animal examination radiographing system with low cost. Furthermore, the directly digitized image can be transmitted by communication network for remote consultation of diagnosticians. Adoption of the digital line scanning direct imaging technique greatly reduces radiographing dose and radiation dose of scattered ray to working personnel. Thereby the safety of working personnel and animals are protected effectively.
Description
Technical field
This utility model relates to a kind of X-ray check device, is a kind of animal whole body skeleton X ray tester specifically.
Technical background
X-ray film making to larger animal is checked, usually more loaded down with trivial details and difficult, because X-ray film making equipment is generally fixed, be difficult to or the very inconvenient appropriate location that film making equipment is put at larger animal or its film making position, simultaneously, existing X-ray film making equipment, the visual field is limited, can only carry out local film making among a small circle, and, adopt traditional X-ray film slice time long, detection efficiency is low, and for example traditional X-ray photo-beat sheet equipment will carry out the animal general physical checkup, to make film separately respectively to each position of health, then, film is washed, whole process is wanted dozens of minutes at the soonest.As to the X-ray examination of match when screening with emergency aid and treatment with tested animal, all need to carry out as early as possible general physical checkup, judge the state of an illness, so that make correct traumatic condition processing.
The utility model content
This utility model has overcome above-mentioned shortcoming, and a kind of detection efficiency height is provided, and operates easy animal whole body skeleton X ray tester.
The technical scheme in the invention for solving the technical problem is: comprise computer system, electric control system, the scanning transporter, X-ray generating means and detector, described computer system links to each other with described electric control system, and control described scanning transporter by described electric control system, described X-ray generating means is fixedlyed connected by described scanning transporter with detector, described computer system is also controlled the work of described X-ray generating means, the x-ray that sends, return in the described computer system after being radiated on the described detector and handle, described x-ray pipe is provided with the slit light concentrator, and it is corresponding with described linear array detector to send thin fan-shaped x-ray.
Described scanning transporter can comprise motor and drive mechanism, and the main shaft of described motor links to each other with described connecting gear, and described drive mechanism links to each other respectively with detector with described bulb contiguous block.
Described drive mechanism can comprise cogged drive belt, guide rail, main connection thick stick and be separately fixed at described main bulb contiguous block and the detector contiguous block that is connected the thick stick two ends, described cogged drive belt links to each other with described electric machine main shaft, and with described main to be connected thick stick fixedly connected, described main to connect thick stick parallel mobile along described guide rail.
Described x-ray direction can be vertical mutually with described scanning motion direction.
Can be provided with sense channel between described X-ray generating means and the detector.
The sidewall of described sense channel can be carbon fiber board.
In the described detector, the face that receives x-ray can be provided with long and narrow collimator.
Described electrical control gear also can be connected with manual control box and foot switch.
This utility model carries out general physical checkup by direct employing digital image to tested animal, and it has solved the shortcoming of the difficult operation of traditional X-ray photo-beat sheet equipment, has following characteristics:
1. high image taking speed: only need tens seconds to twenties seconds time from photographing the screen slice, image taking speed is high, is particularly suitable for emergency aid and treatment.
2. digitized: the line sweep of X line machine is controlled by microcomputer, and scanning information enters computer, carries out image by computer and generates and analyze, and realizes that the digitized animal of cheap no filmization is checked the film making system.
3. low dosage; Adopt digitized line sweep direct imaging technology; reduced film making dosage greatly; general film making condition is 40kV--150kV, 8mA--160mA; radioactive dose is about 60uGy; and the radiation dose of the suffered scattered rays of staff that the next door is fixedly laid animal is lower; like this, effectively protected staff's health safety.
4. but digitized remote medical consultation with specialists: the image of Direct Digitalization can utilize communication network teletransmission image, but diagnostician's remote medical consultation with specialists.
Description of drawings
Fig. 1 is an overall structure sketch map of the present utility model
Fig. 2 is an X-ray bulb structural representation in this utility model
Fig. 3 is a panel detector structure sketch map in this utility model
Fig. 3 is a scanning transporter structural representation in this utility model
Fig. 5 is an electric control system sketch map in this utility model
The specific embodiment
As shown in Figure 1, this utility model comprises computer system, electric control system, scanning transporter, X-ray generating means and detector, described computer system links to each other with electric control system and controls described electric control system work, described electric control system links to each other with the scanning transporter with described X-ray generating means respectively again, the gated sweep process, described detector links to each other with described computer system, the image that collects is sent in the computer handles.
The X-ray generating means comprises high tension generator and X-ray bulb.
High tension generator is the device that is used for producing the Constant Direct Current high pressure and supplies with x-ray tube component through high tension cable, it is the vitals of X-ray generating means, for quality and the stationarity that guarantees X ray, adopt high-frequency and high-voltage generator, high pressure range is 40KV～150KV, and maximum current is 160mA.The parameter of high tension generator is by the computer system setting, and reliability is than higher.High tension generator mainly comprises: microprocessor, pressure-oil tank, AC/DC, high-frequency inverter, voltage stabilization and current stabilization circuit, high-tension terminal, battery charging and discharging panel, patch panel and earth lead etc.In actual the use, often the film making condition that adopts is 80KV～120KV, 60mA.High tension generator has a special-purpose debugging software, and high voltage control transmits order by described computer system by serial line interface and realizes.Working procedure in the high tension generator guarantees that when every single is photographed the selection of technical conditions can not surpass the rated capacity of X-ray tube.
The X-ray bulb also is X-ray tube or bulb, is made up of shell and tube core, and tube core is a kind of precision, frangible fine vacuum glass devices of constructing, and it is placed in the oil-overflow protection shell, and the effect of tube core is to convert electric energy to the X line.What adopt in this utility model is the bifocus rotating anode X-ray tube.The anode of X-ray tube tube core is a rhenium-tungsten alloy dish, and therefore alloy disc just is not fixed on the local area of target surface by the position of electronic impact, but is evenly distributed on the whole target surface outer ring at high speed rotating when exposure, increases the thermal capacity of bulb.There are two cables to link to each other between bulb and the high tension generator, each one of negative electrode and anode high voltage cable.When new bulb is loaded into, because bulb parameter inconsistent, carry out the parameter correction of high tension generator.Because bulb is valuable parts, during utilization protective measure must be arranged.Bulb is owing to use for a long time continuously heat very big, and its thermal capacity drops to 20% warning can occur when following.Use and be provided with and improperly all can report to the police, must investigate thoroughly that reason is just to continue use this moment.
The focus of bulb is 0.6mm/1.2mm in this utility model, and more special requirement is to keep ray stability and repeated to bulb.The filtration of x-ray tube component is not less than the 1.5mmAl equivalent.Total filtration of X-ray equipment is not less than the 2.5mmAl equivalent.
As shown in Figure 2, described X-ray bulb 201 is provided with light concentrator 202, described light concentrator is made up of bundle tabula rasa 203,204,1 laser lamp of collimating slit and light concentrator cover (not indicating among the figure), it is fixedly mounted on the light-emitting window of bulb 201, collimating slit 204 is made by stereotype, the tubular construction of light concentrator guarantees to form fan-shaped arrow beam of light, and the shell of light concentrator 202 is surrounded by the stereotype protection, to guarantee that ray does not have leakage to other direction.X ray is through light concentrator 202, form effectively thin fan-shaped x-ray beam 205, the long 500mm of light concentrator, its front end collimating slit is of a size of 160mm * 1.0mm, the position of collimating slit 204 can be regulated, so that shine exactly on the entrance window of detector through the X ray of light concentrator, and both centers overlap.The adjustment of light concentrator collimating slit is bigger to the image influence of gathering, and the quality of X ray collimation will directly influence the count value and the picture quality of image.
Because bulb needs exposure for a long time, in order to solve the heat radiation of bulb in the use, at the rear portion of bulb aerofoil fan is installed, and is beneficial to heat radiation.The groundwork of this part is the design of internal structure and the radiation proof shielding design of light concentrator, wants at last in use to accomplish conscientiously that light concentrator can reduce scattered rays and do not have the ray of leakage again, the light concentrator cover wants to guarantee that the bulb heat radiation is good.
Three aerofoil fans (not indicating among the figure) are equipped with at the rear portion of described bulb, are used to protect X-ray tube, and forced heat radiation is provided.Bulb pillar 206 is divided into two sections, and epimere is fixed in bulb in the middle of it, and remains with certain clearance with the anode tap of bulb, is beneficial to the bulb heat radiation; Hypomere is fixedly linked with the main end points that is connected thick stick.
Described detector is structurally by forming with lower member: X ray probe, signal acquisition circuit, low-tension supply combination, data acquisition unit.Wherein X ray probe and signal acquisition circuit are encapsulated in the aluminium alloy box of a cuboid together, are called as probe; Low-tension supply combination then is encapsulated in separately in the metal square box with good heat radiating function; Data acquisition unit is that a data card places computer, comes the view data of pick-up probe.
Probe comprises sealed aluminum film, crystal array, signal acquisition circuit three partly.The structure of detector as shown in Figure 3.Probe is the aluminum alloy chamber of a sealing, front panel is the lead-antimony alloy material with shielding action, its on the upper side portion be a lead collimator A, there is sealed aluminum film B collimator A rear end, below the aluminum film crystal array C, its lead-out wire connects signal acquisition circuit D, and the back also has A/D change-over circuit, buffer, communication interface.
X ray sees through tested animal throwing and shines on the probe, behind collimating device collimation, pass the sealed aluminum film, arrive crystal array, crystal is converted to the signal of telecommunication with X ray, and the signal acquisition circuit collection by its rear end is converted to digital signal through A/D, deposit buffer in, the Digital Image Data in the buffer is sent to computer by communication interface circuit.
The critical piece of probe is exactly a strip array of being made up of crystal unit, the signal of each crystal unit, a pixel as image, with 14 byte representations, the sensitive area of each crystal unit is identical basically, so the spatial resolution in the whole measured zone of detector is consistent.
It is fixing that signal acquisition circuit is close to probe, and it is made up of following functional unit: controller, adapter and power-supply system.
Controller comprises that signal imitation handles electricity, 16 analog/digital converters and FPGA control circuit.Analog processing circuit is used for read output signal and integrated signal under the control of Programmable Logic Device instruction.It is digital code that analog/digital converter is used for analog signal conversion, so that write among the dynamic memory DRAM of adapter.
Programmable Logic Device can be finished following function: make probe multichannel linear array synchronous working; Digital information can be write among the DRAM of adapter; The signal that receives is delivered on the microcomputer through adapter; Detect power supply; The test probe circuit; Test adapter DRAM.
Also be provided with capacity in addition and be linage-counter that 16 controller state depositor and frame length write usefulness etc.
On acquisition system, be provided with plug, so that join: connect power supply with external device (ED); Data line-link to each other with the data acquisition unit of computer; In case of necessity, connect external sensor (RS485).
Described low-tension supply is used to produce 12 volts of VDs, is electronic circuit and probe power supply, low-tension supply be input as single-phase 220V.
Described scanning transporter can be divided into bulb contiguous block 1, detector contiguous block 2, the control bulb is connected thick stick 3, guide rail 4, motor 5 and cogged drive belt 6 with synchronous the leading of detector.The described synchronous main thick stick 3 that connects is through base plate 7 bottoms of checking passage, the contiguous block 1,2 at two ends links to each other with detector 10 with X-ray bulb 9 respectively, the base plate 7 of checking passage is supporting bodies of tested animal, it will possess firm ability, carbon fiber board 8 is adopted in the passage both sides, carry out assembly unit by framework and fix, form gallery, be convenient to moving and fixing of tested animal.
The operation principle of mechanical scanner is: three guide rails that the scanning motion motor is laid along level through the main connection of cogged drive belt drive thick stick move in the past backward, bulb links to each other with a main end that is connected thick stick 3 by contiguous block 1, and light concentrator is fixed in the light-emitting window of bulb; The main other end that connects thick stick passes through the detector connecting device with the opposite side of detector vertical fixing in the inspection passage; Under the base plate of main connection thick stick walk-through test passage, but the shuttle-scanning motion; Three rail plates lay respectively at main two ends that connect thick stick and middle part below; The entrance window of the focus of bulb, the collimating slit of light concentrator, detector is positioned at the plane of same vertical direction, and described x-ray direction of illumination is with described main to be connected the thick stick direction of motion perpendicular; When in the past backward during scanning motion, bulb, light concentrator, detector will carry synchronously motion backward in the past by the main thick stick that connects, the X ray that this moment, bulb produced is with the tested animal on the scanography passage, detector receives the X ray that passes the tested animal biological information of carrying of tested animal simultaneously, is formed the X ray image of tested animal again by image capturing system.
The long 5000mm of scanning means profile, wide 5000mm, high 2500mm, long 5000mm, wide 2000mm, the high 2500mm of inspection passage check that the base plate of passage wants firm, be able to bear 1000 kilograms power, are convenient to passing through of tested animal.The stroke of scanning motion should be not less than 5000mm.
Technical work station, manual control box and user-selected outut device that described computer system and application software are formed constitute operating console.Described computer system can be positioned at technician's workplace, also can be positioned over the adjacent locations or the room that have with a certain distance from scanning means.
Described technical work stands in and finishes data acquisition, image reconstruction and Digital Image Processing under the computer control.As sweep start, stop, connecting that high pressure, rotating anode rotate, control exposure etc.Be used for the online detection of duty and fault alarm in addition, after scanning is finished, finish date processing, and display image etc.The technical work station can provide case history to file, inquire about, and the condition of scanning is selected, scan control, and pictorial display, diagnosis report are write, are printed and required basic function when diagnosing.
Described manual control box also claims the high tension generator control box, is the device of opening and closing high tension generator on control station.Manual control box has two buttons.The cable that the high tension generator control box is drawn respectively with high tension generator, control rack link to each other with computer.The exposure control of bulb and high tension generator kV and mA set and finish by software by computer.
Also be provided with talkback unit on manual control box, audio amplifier is installed in the diagnosis room.When needs are talked to the auxiliary, will step on foot switch, otherwise the personnel in the operation room can not hear.
Computer system is the control centre of this device, when needs are photographed inspection to tested animal, at first set up tested animal information, equipment is under computer system control, at first starting high tension generator powers up to bulb, when bulb reaches when being ready to expose, start scanning machinery, make the synchronous scanning campaign backward in the past of bulb and detector; When mechanical scanning speed reaches when stablizing, begin exposure, X ray forms thin fan beam by light concentrator during this period, passes the parts of body of tested animal, injects the entrance window of detector; Detector is under computer system control, with the X ray conversion of signals is the signal of telecommunication, each horizontal electrical signal that to be gathered by data acquisition unit is delivered to A/D converter and is become digital signal, the digital signal repeated transmission is delivered to computer, after having scanned whole tested positions and piece image collection and having finished, computer system is carried out the data reconstruction process, stop exposure and mechanical movement simultaneously, image after the processing shows on computer screen, and file automatically, machinery return back to bulb and detector the original position of scanning simultaneously, prepares image acquisition next time.
The scanning speed of whole gatherer process is constant, the size of film making is determining the length of sweep time, for example the whole body film making is done in the horse racing of 3.0 meters of heights,, approximately needed 20 seconds time to obtain a width of cloth horses whole body X-ray digitized video with the velocity scanning of 160mm/s.
The exposure three's of the motion of scanning transporter, the image acquisition of detector system and X-ray generator is the key of line sweep imaging mode synchronously.When scanning motion reached uniform and stable rapidly, detector carried out image acquisition at once, X-ray generator exposure simultaneously; After the image acquisition of detector was finished, X-ray generator stopped exposure simultaneously, and scanning motion must stop this moment as early as possible; When image capturing system carried out reconstruction process to the view data that collects, scanning motion must be carried out the motion return as early as possible, for film making scanning is next time got ready.
The coordination of these actions is mainly realized by electric control system by computer.As shown in Figure 5, receive the order of collecting image of computer when electric control system after, take corresponding electrical action, start the scanning motion control of film making, start X-ray generator and prepare exposure, after computer receives standby ready signal, send detector data collection and exposure instruction, scan, exposure and data acquisition, after data acquisition finishes, computer sends and stops scanning and stop the exposure instruction, and electric control system is taked corresponding electrical action, and scanning motion is stopped immediately, and make motion return back to initial position, prepare film making once more.
In addition, electric control system also possesses the instruction that receiving computer sends, and realizes the step motion action of scanning motion machinery, finishes the synchronous light path adjustment of system and the para-position control of film making position; Electric control system itself also has the spacing control of motion and the control of scanning motion speed.
Above-mentioned work is exactly the design realization by the design of the control sequence of electric control system, control circuit.Make electric control system have the control command of reception and feedback computer, carry out functions such as power supply control, scanning motion control, exposure control.Thereby realize: according to signal from the technical work station, the gated sweep campaign; Report the detection signal of each on off state to computer; Realize manually by the key control motor; Make the motion parts outage in case of necessity.
Manual control panel can be located on the limit of checking the passway, can be by the seesawing of operator's gated sweep machinery, so that the technician is to the para-position of tested animal film making.When remote control scans, by computer seesawing through serial port " com " gated sweep machinery.
More than animal whole body skeleton X ray tester provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (8)
1. animal whole body skeleton X ray tester, it is characterized in that: comprise computer system, electric control system, the scanning transporter, X-ray generating means and detector, described computer system links to each other with described electric control system, and control described scanning transporter by described electric control system, described X-ray generating means is fixedlyed connected by described scanning transporter with detector, described computer system is also controlled the work of described X-ray generating means, the x-ray that sends, return in the described computer system after being radiated on the described detector and handle, described x-ray pipe is provided with the slit light concentrator, and it is corresponding with described linear array detector to send thin fan-shaped x-ray.
2. animal whole body skeleton X ray tester according to claim 1, it is characterized in that: described scanning transporter comprises motor and drive mechanism, the main shaft of described motor links to each other with described connecting gear, and described drive mechanism links to each other respectively with detector with described bulb contiguous block.
3. animal whole body skeleton X ray tester according to claim 2, it is characterized in that: described drive mechanism comprises cogged drive belt, guide rail, main connection thick stick and is separately fixed at described main bulb contiguous block and the detector contiguous block that is connected the thick stick two ends, described cogged drive belt links to each other with described electric machine main shaft, and with described main to be connected thick stick fixedly connected, described main to connect thick stick parallel mobile along described guide rail.
4. according to claim 1 or 2 or 3 described animal whole body skeleton X ray testers, it is characterized in that: described x-ray direction is vertical mutually with the scanning motion direction.
5. according to claim 1 or 2 or 3 described animal whole body skeleton X ray testers, it is characterized in that: be provided with sense channel between described X-ray generating means and the detector.
6. animal whole body skeleton X ray tester according to claim 5, it is characterized in that: the sidewall of described sense channel is a carbon fiber board.
7. according to claim 1 or 2 or 3 described animal whole body skeleton X ray testers, it is characterized in that: in the described detector, the face that receives x-ray is provided with long and narrow collimator.
8. according to claim 1 or 2 or 3 described animal whole body skeleton X ray testers, it is characterized in that: described electrical control gear also is connected with manual control box and foot switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620004111 CN2880010Y (en) | 2006-02-23 | 2006-02-23 | Whole body X-ray detection apparatus for animal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620004111 CN2880010Y (en) | 2006-02-23 | 2006-02-23 | Whole body X-ray detection apparatus for animal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2880010Y true CN2880010Y (en) | 2007-03-21 |
Family
ID=37879848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620004111 Expired - Fee Related CN2880010Y (en) | 2006-02-23 | 2006-02-23 | Whole body X-ray detection apparatus for animal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2880010Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565106A (en) * | 2012-01-09 | 2012-07-11 | 云南电力试验研究院（集团）有限公司电力研究院 | Device for improving GIS on-site X-ray shooting efficiency |
| CN114353373A (en) * | 2022-01-12 | 2022-04-15 | 深圳市深图医学影像设备有限公司 | Intelligent refrigeration system applied to CT high-voltage generator |
-
2006
- 2006-02-23 CN CN 200620004111 patent/CN2880010Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102565106A (en) * | 2012-01-09 | 2012-07-11 | 云南电力试验研究院（集团）有限公司电力研究院 | Device for improving GIS on-site X-ray shooting efficiency |
| CN114353373A (en) * | 2022-01-12 | 2022-04-15 | 深圳市深图医学影像设备有限公司 | Intelligent refrigeration system applied to CT high-voltage generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2879976Y (en) | Digital X ray vertebral column imaging examination apparatus | |
| CN102764138B (en) | Multi-mode little animal molecular image imaging device and imaging method | |
| US6031892A (en) | System for quantitative radiographic imaging | |
| CN102047768B (en) | System and method of fast switching for spectral imaging | |
| CN101375798B (en) | System and method of ct imaging with second tube/detector patching | |
| US5465284A (en) | System for quantitative radiographic imaging | |
| CN102243189B (en) | On-line virtual testing system of steel cord conveyor belt | |
| US20080279330A1 (en) | Imaging Apparatus | |
| EP2438864A1 (en) | Multi-faceted tileable detector for volumetric computed tomography imaging | |
| CN102099704A (en) | X-ray image detection device | |
| JP2003505705A (en) | Digital detector for X-ray imaging | |
| CN2865567Y (en) | Digital X-ray imaging detecting instrument for animals | |
| CN103040480A (en) | Digital X-ray medical treatment image system | |
| CN105943071A (en) | X-ray ct imaging system | |
| CN2879977Y (en) | Digital X ray whole body imaging examination apparatus | |
| CN2880010Y (en) | Whole body X-ray detection apparatus for animal | |
| CN115399798A (en) | Photon counting multi-energy spectrum CT imaging device and method | |
| CN102151138A (en) | Digital gynaecological radiography inspector and gynaecological radiography method | |
| CN201164473Y (en) | Portable X-ray equipment | |
| CN201167965Y (en) | Digital line-scan X-ray diagnostic equipment | |
| CN2865568Y (en) | Digital intrauterine device detecting device | |
| CN2465181Y (en) | Desk type bone age and bone density measurer | |
| US5805663A (en) | Radiation imaging method and system | |
| JP2003121551A (en) | Radiation detector and method of manufacturing the same, and x-ray ct equipment | |
| CN112107322A (en) | Portable digital X-ray machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20110223 |