CN1644164A - Digital method and apparatus for detecting bone age - Google Patents
Digital method and apparatus for detecting bone age Download PDFInfo
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- CN1644164A CN1644164A CN 200510051230 CN200510051230A CN1644164A CN 1644164 A CN1644164 A CN 1644164A CN 200510051230 CN200510051230 CN 200510051230 CN 200510051230 A CN200510051230 A CN 200510051230A CN 1644164 A CN1644164 A CN 1644164A
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Abstract
A digitalizing method and device for measuring the bone age features that a line scan technique is used to scan the various positions on human body in moving mode and the obtained scanned images can be further processed by computer. Its advantages are high sensitivity and efficiency, wide range, and low cost.
Description
Technical field
The present invention relates to method and device thereof that a kind of digitized detects the stone age.
Technical background
Skeletal age, be called for short the stone age, determined by the skeleton calcification degree, in people's growth and development process, it is the easiest that what reflect growth time truly is skeletal system, can reflect the developmental level of people to the full ripe process each age level of being born more accurately, aspect the analysis and diagnosis of disorder of development, endocrinopathy, dysplasia, malnutrition, hereditary and metabolic disease, the stone age has important function.
The judgement stone age utilizes the X line to take the photograph sheet mostly.Generally ideal to detect the wrist portion effect.Because concentrated a large amount of long bones, short bone and circle bone here, reflected whole body bone growth and development and ripe situation, detect easily, also minimum to the infringement of human body.Sometimes also can carry out the X line as required and take the photograph sheet elbow, knee joint, ankle, head.
Judge that the skeleton calcification degree mainly sees 3 points: the 1. number of ossification center and size; 2. the metamorphosis of ossification center and epiphysis; 3. epiphysis and key healing state.Follow the stone age standard of using as normal value to compare again, can judge someone's stone age.Utilize the developmental state of stone age deduction, thus the state that the reflection physical growth is grown.The method of stone age evaluation was applied in the clinical practice since the sixties, and therefore, the application of stone age instrument is very extensive.
The existing method that detects the stone age has two kinds, supercritical ultrasonics technology and X-ray check method.
Adopt ultrasonic method can not directly measure the content in bone ore deposit, lower at accuracy.Adopt the X-ray check method can be divided into direct diascopy and common film method and digitized stone age detection method again:
1) direct diascopy: detect the doctor and directly accept the X-ray irradiation, caused great threat and injury to healthy;
2) common film method: to chemical film, observation is wasted time and energy with detected image taking, and causes wide variety of materials consumption, and produces the chemical waste fluid and the refuse of many contaminated environment, and the preservation of film and transmission are carried also all very inconvenient in addition.
And present digitized stone age sheet also has two kinds:
First kind is that tradition stone age sheet is changed by the transmission scan instrument: this method is not only simplified existing mode of operation, many workloads have also been increased, and X equipment for shooting and flushing device and operator's technology all had higher requirement, also be difficult to guarantee shooting quality.
Second method is to use CR or dull and stereotyped DR to obtain digitized stone age sheet.CR adopts the image plate to come store images, and dull and stereotyped DR comes images acquired with the super large-scale integration of X ray conversion, and equipment price is very expensive.
Summary of the invention
The present invention has overcome above-mentioned shortcoming, and method and the device thereof of a kind of highly sensitive, little to human body harm, low cost and digital detection stone age is provided.
The present invention solves the technical scheme that its technical problem takes: may further comprise the steps:
(1) tested position is placed between x-ray generator and the detector tested position fixed-site;
(2) control the fan beam that described x-ray generator sends by Control Computer, be radiated on the described detector by tested position, the fan beam that the while x-ray generator sends is radiated on the detector, form the incident line, by described Control Computer control the described incident line and detector synchronous, on plane, detector place, move along parallel with the vertical direction of the X-ray incident line;
(3) the X-ray signal transition that detector is received is that digital signal is sent to Control Computer, is presented on the display of Control Computer after with Flame Image Process by Control Computer.
The synchronous parallel moving process of described step (2) incident line and detector, can realize by following two kinds of methods:
A) projecting direction of x-ray generator is fixed, and makes x-ray generator and detector synchronously parallel mobile;
B) fixed-site of x-ray generator makes the direction of the linear light source that sends of x-ray generator rotate synchronously according to the parallel mobile direction of detector.
A kind of digitized stone age instrument, comprise an x-ray generator, a detector, a framework, it is characterized in that: also comprise a light concentrator, a gripper shoe, a driving device and a Control Computer, described x-ray generator constitutes by high tension generator with by the X-ray bulb that high voltage inspires X ray, described X-ray bulb is arranged on the top of described framework, described high tension generator connects with Control Computer, described light concentrator is arranged on the place ahead of the luminous site of x-ray generator, described detector is a strip, be arranged on the bottom of described framework, and can be on the base of frame plane, along moving freely with the perpendicular direction of the direction of the length of detector, and direction that it moves and speed are by described driving device controls, described gripper shoe is arranged near base of frame, the top of described detector, and in the fixed-site of described framework, described driving device links to each other with detector with described Control Computer respectively, and connects X-ray bulb 2 or light concentrator simultaneously.
The seam of the light-emitting window of described light concentrator is wide to can be 0.2～5 millimeter, is preferably 1～2 millimeter.
Described detector is connected with control system, can be 10～1000 mm/second by the point-to-point speed of control system control detector.
Can be provided with the model of hands shape on the described gripper shoe.
The number of described hands shape model can be at least two.
Vertical dimension between described bulb focus and the detector can be 100～1000 millimeters, is preferably 200～600 millimeters.
Can be provided with the laser lamp that is used to indicate the X ray position in the described light concentrator.
The present invention passes through the motion scan method of the line sweep technology of employing to detected person's body region, and provide a kind of checkout gear that adopts this method, make and detect the highly sensitive of stone age, the efficient height, investigative range is big, greatly reduced simultaneously cost, cheap, simultaneously, under this pattern, the doctor can use the enhancing Presentation Function on computers and do further Flame Image Process, improved diagnosis capability to a great extent, and, can realize zoom by means of the software processing technology analysis image, gray scale is inverted, and shows a few width of cloth images function such as compare simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the structural representation of X-ray bulb among the present invention and light concentrator
The specific embodiment
The present invention realizes by the following method:
(1) tested position places between x-ray generator and the detector 3, tested position fixed-site.
(2) control the fan beam that described x-ray generator sends by Control Computer, be radiated on the described detector 3 by tested position, the fan beam that the while x-ray generator sends is radiated on the detector 3, by described Control Computer control x-ray generator and detector 3 same moved further, perhaps control the X-ray bundle that x-ray generator sends and rotate synchronously with detector 3 parallel moving process.
(3) the X-ray signal transition that detector 3 is received is that digital signal is sent to Control Computer, is presented on the display of Control Computer after with Flame Image Process by Control Computer.
Embodiment 1 as shown in Figure 1, 2, the digitized stone age instrument among the present invention comprises an x-ray generator, detector 3, framework 1, light concentrator 6, gripper shoe 5, a driving device and a Control Computer.
Described framework 1 is a rectangular structure, position near the bottom in framework 1 is provided with a gripper shoe 5, described gripper shoe 5 is provided with hands shape model 4, hereinafter to be referred as fingerprint 4, in framework 1 both sides, the place that gripper shoe 5 is set is provided with detects mouth, is used for the detected person hand is placed on described fingerprint 4 by detecting mouth, be the bottom of framework 1 below gripper shoe 5, the vertical strip detector 3 of finger orientation with fingerprint 4 is set.The size of fingerprint 4 depends on the size of detection crowd's hands, and two fingerprint 4 positioned opposite are set in the present embodiment, and hands is touched and set width is 150 millimeters, and length is 200 millimeters.Scanning distance is the length of framework 1 just, greater than promptly 500 millimeters of the length of two fingerprint 4.Doublely pass through simultaneously, detection efficiency is high.
Described x-ray generator is made of high tension generator and X-ray bulb 2, described X-ray bulb 2 is arranged on the top of described framework 1, described high tension generator is connected with X-ray bulb 2 with Control Computer respectively, the effect of high tension generator is the characteristic index according to bulb, under the control of Control Computer, produce the Constant Direct Current high pressure and supply with X-ray tube, produce X ray through high tension cable.Described X-ray bulb 2 is a kind of precision, frangible fine vacuum glass devices of constructing, and therefore is placed in the oil-overflow protecting crust, and its basic role is to convert electric energy to X ray.Described light concentrator 6 is arranged on the place ahead of the luminous site of x-ray generator, and light concentrator 6 is made up of bundle tabula rasa, collimator and structure-steel framing.The light-emitting window of light concentrator 6 is a collimator, and using the purpose of light concentrator 6 is to make X-ray bundle being aligned, prevents the X-ray scattering.In light concentrator 6, can select an indicating laser light is installed, in order to the center of beacon scanning.X ray is through after the collimator slit, form thin fan-shaped x-ray beam, the width b of collimator slit is 1.5 millimeters, and the X ray of X ray bulb focus emission is wanted on the accurate entrance window corresponding to X-ray detector 3 through the long and narrow light beam of the scan sector that sends after the collimator standard.Light concentrator 6 and collimator slit guarantee that by lead protection ray does not leak to other direction.Owing to adopt the mode of line sweep, promptly reduce scattering by narrow slit generation fan beam and detector synchronous scanning campaign, make patient's exposure dose reduce hundreds of times; Greatly reduced detected person's raying dosage.
Described detector 3 is a strip, the x-ray that x-ray generator sends, form a fan beam through light concentrator 6, be radiated on the receiving plane of detector 3 of described strip, the bulb focus is 400 millimeters to the vertical dimension a of detector 3, and this is apart from the height that has determined whole scanning framework 1.
The detector 3 of described driving device and framework 1 bottom is linked together by frame for movement, drives described detector 3 motions by described driving device.Driving device is controlled the action of mechanical alignment system, mechanical scanning system according to the signal from computer; Feed back the detection signal of each on off state to the technical work station, control the motion of motor simultaneously, motor is by deceleration device, and 3 motions of driven in synchronism detector reach the purpose of scanning.Translational speed is 500 mm/second, and translational speed depends on the selection of doctor to scanning speed and quality of scanning, and generally speaking, under the same X line dosage, scanning speed is slow more, and picture quality is good more.
The position relative fixed of described light concentrator 6 and described X-ray bulb 2, described driving device also is connected with X-ray bulb 2 simultaneously, control X-ray bulb 2 on framework 1 top plan along with described detector 3 mobile phases with the same moved further of direction, the x-ray that x-ray generator is sent, through the fan beams that light concentrator 6 back forms, can be radiated on the receiving plane of detector 3 of described strip.
Described detector 3 will receive the X-ray signal transition and become digital data transmission to give described Control Computer, and finish nearly all control functions such as data acquisition, image reconstruction and Digital Image Processing by described Control Computer, as sweep start, stop, connecting high pressure, 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.And 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.
When the needs x-ray bombardment detects, allow measured's hand placement earlier on the fingerprint 4 of described gripper shoe 5, then, under Control Computer control, start high tension generator and power up to bulb; When bulb is finished exposure preparation, starting driving device driving X-ray bulb 2 moves along the finger orientation of fingerprint 4 is parallel synchronously with detector 3, scanning detected person's hand, X ray forms thin fan beam by light concentrator 6 during this period, pass tested personnel's hand, inject detector 3, detector 3 is under the control of acquisition system, gather the signal of telecommunication of the band X ray image information of each row, and deliver to the analog digital conversion parts and become digital signal, under the control of acquisition system, be sent to computer then and carry out date processing, when image acquisition is finished, stop exposure and mechanical movement, image capturing system carries out data with the digitized video of gathering to be rebuild, and the image after the processing shows on computer screen and files automatically.Realized the X line image of Direct Digitalization.
When the needs x-ray bombardment detects, allow measured's hand placement earlier on the fingerprint 4 of described gripper shoe 5, then, under Control Computer control, start high tension generator and power up to X-ray bulb 2; When bulb is finished exposure preparation, startup driving device driving light concentrator 6 is that back rotation is come at the center with the luminous site of X-ray bulb 2, make from the direction of fan beam edge that light concentrator 6 sends and detector 3 translations synchronous, and along the swing of the finger orientation of fingerprint 4, scanning detected person's hand, X ray forms thin fan beam by light concentrator 6 during this period, pass tested personnel's hand, inject detector 3, when X ray passes the person under inspection when injecting detector 3, X-ray detector 3 is converted to the signal of telecommunication with the X ray signal that receives, through after the analog digital conversion, send into computer by video acquisition system, form digital picture, by medical software image is carried out professional treatment again, realized the X line image of Direct Digitalization.
Described Control Computer is controlled the co-ordination of whole device, described Control Computer control detector 3 and X-ray bulb 2 or light concentrator 6 are synchronized with the movement, while control detector 3 images acquired, and with the form storage of the image information that collects with numeral, with special-purpose software image is handled, on display, show, and the image after handling is stored.Because the single pass process can generate a width of cloth digital picture rapidly after finishing, imaging time can be less than 3 seconds, this fast imaging, very high detection efficiency is arranged, be particularly useful for aspects such as large-scale crowd health check-up, for to obtain the more image of detail, can prolong sweep time at any time simultaneously, thereby obtain scanning information more clearly by the Control Computer accessory drive.In addition, the line sweep of X-ray is controlled by Control Computer, and scanning information is imported computer, carries out image by computer and generates and analyze.Can also carry out zoom, gray scale is regulated and is shown that simultaneously a few width of cloth images compare peering, realizes the digitized stone age detection system of cheap no film.
Digitized stone age detection method described in the present invention and to adopt the digitized stone age instrument of the method to take up an area of very little can be saved the extensive work space, especially in vehicle-mounted health check-up system good prospects for application is arranged, and can access very and use widely.
Claims (9)
1. digitized stone age detection method is characterized in that: may further comprise the steps:
(1) tested position is placed between x-ray generator and the detector tested position fixed-site;
(2) control the fan beam that described x-ray generator sends by Control Computer, passing tested position is radiated on the described detector, the fan beam that the while x-ray generator sends is radiated on the detector, form the incident line, by described Control Computer control the described incident line and detector synchronous, on plane, detector place, move along parallel with the vertical direction of the X-ray incident line;
(3) the X-ray signal transition that detector is received is that digital signal is sent to Control Computer, is presented on the display of Control Computer after with Flame Image Process by Control Computer.
2. digitized stone age detection method according to claim 1 is characterized in that: the synchronous parallel moving process of described step (2) incident line and detector, realize by following two kinds of methods:
(1) projecting direction of x-ray generator is fixed, and makes x-ray generator and detector synchronously parallel mobile;
(2) fixed-site of x-ray generator makes the direction of the linear light source that sends of x-ray generator rotate synchronously according to the parallel mobile direction of detector.
3. digitized stone age instrument, comprise an x-ray generator, a detector, a framework, it is characterized in that: also comprise a light concentrator, a gripper shoe, a driving device and a Control Computer, described x-ray generator constitutes by high tension generator with by the X-ray bulb that high voltage inspires X ray, described X-ray bulb is arranged on the top of described framework, described high tension generator connects with Control Computer, described light concentrator is arranged on the place ahead of the luminous site of x-ray generator, described detector is a strip, be arranged on the bottom of described framework, and can be on the base of frame plane, along moving freely with the perpendicular direction of the direction of the length of detector, and direction that it moves and speed are by described driving device controls, described gripper shoe is arranged near base of frame, the top of described detector, and in the fixed-site of described framework, described driving device links to each other with detector with described Control Computer respectively, and connects X-ray bulb or light concentrator simultaneously.
4. digitized stone age instrument according to claim 3 is characterized in that: the seam of the light-emitting window of described light concentrator is wide to be 0.2～5 millimeter, is preferably 1～2 millimeter.
5. digitized stone age instrument according to claim 3, it is characterized in that: described detector is connected with control system, by the point-to-point speed of control system control detector with 10～1000 mm/second.
6. digitized stone age instrument according to claim 3, it is characterized in that: described gripper shoe is provided with the model of hands shape.
7. digitized stone age instrument according to claim 6 is characterized in that: the number of described hands shape model is at least two.
8. digitized stone age instrument according to claim 3 is characterized in that: the vertical dimension between described bulb focus and the detector is 100～1000 millimeters, is preferably 200～600 millimeters.
9. according to claim 3 or 6 described digitized stone age instrument, it is characterized in that: be provided with the laser lamp that is used to indicate the X ray position in the described light concentrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100512301A CN100382754C (en) | 2005-03-02 | 2005-03-02 | Digital method and apparatus for detecting bone age |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100512301A CN100382754C (en) | 2005-03-02 | 2005-03-02 | Digital method and apparatus for detecting bone age |
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| CN1644164A true CN1644164A (en) | 2005-07-27 |
| CN100382754C CN100382754C (en) | 2008-04-23 |
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| CNB2005100512301A Expired - Fee Related CN100382754C (en) | 2005-03-02 | 2005-03-02 | Digital method and apparatus for detecting bone age |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033152A (en) * | 2012-12-13 | 2013-04-10 | 中国人民解放军63908部队 | Multifunction digital type X-ray real-time imaging system |
| CN108577879A (en) * | 2018-07-09 | 2018-09-28 | 杭州美诺瓦医疗科技股份有限公司 | Stone age detector with positioning device |
| CN108606811A (en) * | 2018-04-12 | 2018-10-02 | 上海交通大学医学院附属上海儿童医学中心 | A kind of ultrasound stone age detecting system and its method |
| CN108720859A (en) * | 2018-07-09 | 2018-11-02 | 杭州美诺瓦医疗科技股份有限公司 | Scatter the stone age test equipment of low dose X-ray |
| CN108742671A (en) * | 2018-07-09 | 2018-11-06 | 傅君芬 | Hand stone age imaging device with photographing module and shielding X-ray function |
| CN112401912A (en) * | 2020-12-10 | 2021-02-26 | 杭州美诺瓦医疗科技股份有限公司 | Children bone age imaging method with lower radiation dose and imaging device thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079943U (en) * | 1989-12-28 | 1991-07-03 | 同济医科大学公共卫生学院 | Bone x-ray film bone cortex index automatic testing instrument |
| CN2234758Y (en) * | 1995-04-17 | 1996-09-11 | 石蕴生 | Laser auxillary X-ray locating device |
| CN2294693Y (en) * | 1995-06-14 | 1998-10-21 | 西安交通大学 | Medical digital scanning type X ray plain-film imaging device |
| CN2465181Y (en) * | 2001-02-27 | 2001-12-12 | 吕尤焱 | Desk type bone age and bone density measurer |
-
2005
- 2005-03-02 CN CNB2005100512301A patent/CN100382754C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033152A (en) * | 2012-12-13 | 2013-04-10 | 中国人民解放军63908部队 | Multifunction digital type X-ray real-time imaging system |
| CN103033152B (en) * | 2012-12-13 | 2015-10-28 | 中国人民解放军63908部队 | Multifunction digital X ray Real Time Image System |
| CN108606811A (en) * | 2018-04-12 | 2018-10-02 | 上海交通大学医学院附属上海儿童医学中心 | A kind of ultrasound stone age detecting system and its method |
| CN108577879A (en) * | 2018-07-09 | 2018-09-28 | 杭州美诺瓦医疗科技股份有限公司 | Stone age detector with positioning device |
| CN108720859A (en) * | 2018-07-09 | 2018-11-02 | 杭州美诺瓦医疗科技股份有限公司 | Scatter the stone age test equipment of low dose X-ray |
| CN108742671A (en) * | 2018-07-09 | 2018-11-06 | 傅君芬 | Hand stone age imaging device with photographing module and shielding X-ray function |
| CN112401912A (en) * | 2020-12-10 | 2021-02-26 | 杭州美诺瓦医疗科技股份有限公司 | Children bone age imaging method with lower radiation dose and imaging device thereof |
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| Publication number | Publication date |
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| CN100382754C (en) | 2008-04-23 |
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