CN1029726C - Method for reproducing imaging parameters of diagnostic transmission equipment and apparatus therefor - Google Patents
Method for reproducing imaging parameters of diagnostic transmission equipment and apparatus therefor Download PDFInfo
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- CN1029726C CN1029726C CN 93105110 CN93105110A CN1029726C CN 1029726 C CN1029726 C CN 1029726C CN 93105110 CN93105110 CN 93105110 CN 93105110 A CN93105110 A CN 93105110A CN 1029726 C CN1029726 C CN 1029726C
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Abstract
The present invention relates to a method for reproducing imaging parameters of a soft tissue disease diagnosis device and a device for realizing the method. According to the present invention, when patients are previously examined, obtained images and imaging parameters can be reproduced by automatically regulating the gain of a video camera CCD device, a lens aperture of the video camera and the brightness of light sources, and thus, the present invention improves the accuracy rate and the reliability of diagnosis in the process of reexamining the patients. The device of the present invention comprises a sensor for detecting various parameters and a control device for regulating each parameter.
Description
The present invention relates to soft tissue abnormality's pathological changes transmission diagnostic imaging method and device thereof, particularly relate to the device that makes soft tissue diseases's diagnostic transmission equipment reproduce the method for imaging parameters automatically and realize this method.
Utilize radiating wideband bands of a spectrum of nonionic or narrow spectral band light, particularly the method for infrared transmission photograph diagnoses the abnormality in the soft tissue very general now.The method that has been extensive use of the infrared transmission photograph in the disconnected technology of modern medical service rash is diagnosed the abnormality in the mammary gland, this method adopts wide band or narrow band infrared light to shine mammary gland to be checked, the light that transmits from mammary gland with the imaging device collection in the opposite side of radiation source, send in the computer again and handle, form simulated image and on display, show.The great advantage of this method is harmless to human body, observes intuitively, and detection mode is easy.
A kind of detection imaging method of soft tissue and device thereof are disclosed in the Chinese invention patent CN-90101352 that has authorized, with wide spectrum visible light and infrared diffused ray irradiation soft tissue, absorb the soft tissue image by CCD gamma camera with the angled placement of diffused light exit facet, resulting signal is the processing of machine as calculated, obtain the image greyscale difference of being coagulated diseased region and normal position by the bosom, and diameter, projected area and the volume of calculating diseased region, judge the pathological changes situation quantitatively for the doctor.
A kind of TV transmission diagnostic equipment is disclosed in European patent EP-0108617, this device comprises that two emission wavelengths are the light source probe of 300nm to 2000nm, the detector of the light that collection transmits from detected tissue, one is used to show the display of the image that is obtained by said photo-detector and the recording equipment of a record gained image.
The living tissue device of a kind of inspection human body is disclosed in international monopoly WO-88/08272, this device also comprises transmitting and receiving hyperacoustic probe except comprising the light source probe that can launch infrared light and being used for receiving the TV camera and computer image processing system of the light that transmits from checked tissue.
According to above-mentioned patent, when the patient is detected, because detected person's age, soft tissue compactness extent difference, clear in order to obtain, accurate, as to can be used in diagnosis image, the operator of diagnostic device needs to regulate the emitting brightness of used light source probe at every turn, the aperture of camera lens, and the size of the gain of CCD device in the gamma camera.This adjusting is not only loaded down with trivial details, consuming time, and can't guarantee that the imaging parameters that each adjusting is come out all is best." the equalization imaging method and realize the device of this method " of inventor invention proposes in another application, successfully solved above-mentioned problem.Another problem that exists in prior art is, because soft tissue diseases, generation as mastopathy all needs the regular hour with healing, the patient to suffer from disease or does not cure in order to determine whether, usually all to check repeatedly, during this, the important process that the doctor did is exactly that patient's repeatedly check result is carried out careful comparison, to draw definite conclusion.Doctor's foundation relatively is that the image that the patient retains when repeatedly checking is strictly said, have only when all be used for comparison image one-tenth as the time parameter that adopted all, this relatively be only significant.In addition, in the situation below also same problem can appear, if be thought suffering from soft tissue diseases during patient's first visit, in when consultation of doctors or for making a definite diagnosis when checking once more, even come use equipment that it is detected by same operator, also might be because different when employed imaging parameters and first visit, and the tissue signature that wakes suspicion when first visit is no longer occurred, draw conclusion accurately thereby influenced, even may delay patient's the state of an illness.
But above patent does not all have instruction how can accurately reproduce the parameter of imaging in the past, and this has reduced the use value of this diagnostic device in fact.
The objective of the invention is to overcome the defective in the prior art, provide a kind of by regulating light-source brightness automatically, the gain of CCD gamma camera aperture and CCD device is to reach the method for reproducing the imaging parameters purpose and the device of realizing said method.
The method of reproduction imaging parameters of the present invention comprises the following steps:
A. use the detected soft tissue of light source irradiation, and absorb the light that transmits with the CCD gamma camera from said soft tissue, the processing of process computer image processing system changes visual image into and is presented in the display;
B. utilize the light-source brightness pick off that is installed between light source probe and the detected soft tissue to survey the brightness of said light source, the lens aperture characteristic amount sensor that utilization is installed in the gamma camera detects said lens aperture characteristic quantity, utilizes the CCD gain characteristics quantity sensor that is installed on the gamma camera CCD device to detect said CCD gain characteristics amount;
C. with detected light-source brightness, lens aperture characteristic quantity and CCD gain characteristics amount are sent in the data blood processor; And will determine the imaging parameters and the said image of the image of reservation to store together;
D. in testing process once more, at first access the imaging parameters of the diagnosis image before it, and be input in the said data processing equipment as memory capacitance according to patient's case history;
E. said data processing equipment sends and controls signal to control device, regulates said lens aperture automatically, the size of CCD gain and light-source brightness, up to all above-mentioned imaging parameters all with step D in the memory capacitance of said imaging parameters in full accord till.
Soft tissue diseases's diagnostic device reproduction imaging parameters device of realizing the inventive method comprises at least:
Light source probe is used to shine detected soft tissue;
The CCD gamma camera is used for absorbing the light that transmits from said detected soft tissue; Computer image processing system is installed in the main frame of diagnostic device, is used for the image that said gamma camera obtains is handled, and changes it into visual image;
Display links with said computer image treatment device, is used to show the image that can show various useful informations after treatment;
The device of said reproduction imaging parameters also comprises:
The light-source brightness pick off is installed between said light source probe and the detected soft tissue, is used for the brightness of the light that detection light source sends;
Camera lens aperture characteristic amount sensor is installed on the said gamma camera, is used to detect the size of said lens aperture;
Gamma camera CCD device gain characteristic amount sensor is arranged on the said CCD device, is used to detect the size of said CCD device gain;
A data blood processor, be connected with computer image processing system with said light-source brightness detecting element, camera lens aperture characteristic amount sensor, CCD device gain pick off respectively, be used to receive each parameter signals by said light-source brightness detecting element, camera lens aperture characteristic amount sensor, the output of CCD device gain pick off, and each value of consult volume of the reality of input memory capacitance of each parameter with input in advance compared, according to result relatively, export control signal again;
The light source brightness control device is used for regulating and controlling according to the control signal of said data processing equipment output the brightness of said light source;
Camera lens aperture regulation device, the size of said lens aperture is regulated and controlled to the control signal that is used for exporting according to said data processing equipment;
CCD device gain regulation device, the size of said CCD device gain is regulated and controlled to the control signal that is used for exporting according to said data processing equipment;
The present invention is owing to adopted the method for reproduction imaging parameters described above, making utilizes nonionic radiant light diagnostic transmission equipment to check accurately the patient of soft tissue diseases, because these processes are finished automatically by computer control, greatly having shortened in the past, the operator is the adjusting needed time of each parameter simultaneously.In a word, the present invention has improved the use value and the work efficiency of soft tissue diseases's diagnostic device.If in conjunction with other two inventions that the inventor did, can launch the light source probe and the diagnostic device equalization imaging system of soft tissue diseases of large tracts of land diffuse light, then the simple and direct performance of the accuracy rate of diagnosis of said diagnostic device and its operation will reach unprecedented high level.
In following content, will in conjunction with the accompanying drawings embodiments of the invention be made detailed explanation, understand substantive features of the present invention better to help the public.For the ease of understanding, embodiments of the invention have been selected the infrared transmission image device that is used for diagnosis of breast diseases for use.
Fig. 1 is for being used for the operation principle sketch map of the infrared transmission image device of diagnosis of breast disease in the prior art;
Fig. 2 is used for the operation principle sketch map of equipment shown in Figure 1 for method and apparatus of the present invention;
Fig. 3 is the sketch map of one embodiment of the present of invention;
Fig. 4 is the flow chart of a preferred embodiment running of the inventive method;
Fig. 5 is the structural representation of light source probe in the device of the present invention;
Fig. 6 is a kind of sketch map that improves structure of the supervisory keyboard shown in Fig. 5;
As shown in Figure 1, infrared mammary gland medical diagnosis on disease equipment in the prior art generally comprises the light source probe that is used to shine detected breast, be used for absorbing the gamma camera of the formed image of light that scatters out from detected tissue, and the computer image processing system (being installed in the diagnostic apparatus main frame) that the image that is obtained is handled and be used to show for the display of diagnosis with image.The front was mentioned, the imaging parameters of the image that is kept when diagnosing before such equipment can't reproduce.This defective has influenced check accurate rate of diagnosis and efficient significantly.The present invention will overcome this defective exactly.
Fig. 2 has represented that method and apparatus of the present invention is used for the operation principle sketch map of equipment shown in Figure 1.As shown in the figure, with light source probe irradiation breast to be detected, absorb the light that from illuminated breast, transmits with the gamma camera that is arranged on the relative side of detected tissue with radiation source, formed picture intelligence is admitted in the computer image processing system to be handled, and shows in display.Meanwhile, be installed in the brightness of the light that the intravital light-source brightness detecting element of the anterior leaded light of light source probe B detection light source sent; Be installed in the size of the lens aperture characteristic amount sensor A detection camera lens aperture in the gamma camera; The CCD gain characteristics quantity sensor G that links to each other with CCD device in the gamma camera detects the size of the gain of CCD device; Above-mentioned each parameter that records is output among the data processing equipment PC.If stored a certain image, all imaging parameters when then forming this image are also stored simultaneously, as the part of patient medical record.When the patient checked, doctor or operator at first accessed this patient's case history, were presented on the display, and then all imaging parameters of case history image also show simultaneously.After the operator sends the order of reproducing imaging parameters, the imaging parameters of said case history image, comprise the brightness of light source, the gain characteristics amount of gamma camera CCD device and camera lens aperture characteristic quantity, be transported in the said data processing equipment, then data processing equipment PC outputs control signals to gamma camera CCD device gain regulation device C1 according to the imaging parameters value of being imported, gamma camera aperture regulation device C2 and light source brightness control device C3, suitably regulate each parameters respectively by above-mentioned three regulation devices, up to all imaging parameters values all with till the imaging parameters of said case history image is consistent.
The device that links to each other with said data processing equipment PC also comprises the supervisory keyboard K that is installed on the light source probe shell, go up different buttons by keyboard K, the operator can select automatic adjustable parameter or manual adjustments parameter, the manual adjustments light-source brightness, freezing of the locking of control parameter and image, and send the control command signal that reproduces imaging parameters.The implication of said here " locking " is for to remain on each parameter on the determined value, and this normally is the insignificant variation of being avoided some parameter in the continuous detecting process.Here said " freezing " means the image that will be presented on the display and remains and be stored in the video memory.In addition, in Fig. 2, also drawn and be used to store the case history storage device M of frozen image and each value of consult volume relevant with this image, be used to print the printing equipment that detects graphic materials, and the computer service system S that is used for nurse and doctor's communication and provides case history to seek advice from.Obviously, expect for those of ordinary skill in the art is not so difficult, said various pick offs, regulation device and auxiliary facilities can adopt any suitable equipment in the prior art.
In device of the present invention, except having aforesaid various sensing device, also comprise the temperature sensor that is used for the detection light source probe temperature, the pick off that is used to detect the pick off of camera lens focal length and is used for the testing environment brightness.The condition of these parameters and imaging does not have getting in touch of essence, detects this tittle and mainly is for as a reference.
As shown in Figure 3, this is the signal and the transfer of data dynamic schematic diagram of one embodiment of the present of invention.Seven kinds of pick offs that relate among the figure comprise gamma camera CCD device gain characteristic amount sensor, image averaging gray-scale sensor, light-source brightness pick off, camera lens aperture characteristic amount sensor, camera lens focal length pick off, light source probe temperature sensor, and environmental luminance sensor.Related regulation device comprises gamma camera CCD device gain regulation device, light source brightness control device, camera lens aperture regulation device and camera lens focal length regulation device.The part that dotted line surrounded among the figure promptly is the data processing equipment PC shown in Fig. 2, the conversion of signals that it is exported individual pick off by the multichannel analog-digital converter becomes digital signal, send into then and compare and treat the control signal exported according to comparison or result among its data processing unit CPU through digital-to-analogue conversion, deliver in each regulation device, with the relevant value of consult volume of automatic adjusting.Fixed parameter can deposit among the data memory M.Seven kinds of related among Fig. 3 parameters not all are essential, wherein have only gamma camera CCD device gain characteristic quantity, light-source brightness, and camera lens aperture characteristic quantity is essential.Wherein the average gray parameter of gained image is used for another invention " equalization imaging system " of the inventor, and remaining parameter is just as the reference parameter.When device work of the present invention, can demonstrate these seven parameters on the display at any time.
Fig. 4 has provided the flow chart of a most preferred embodiment of the inventive method.
When the patient was checked, the operator at first accessed this patient's medical history information from data memory, promptly before measured image, be presented at all imaging parameters values of this image that memorizes in addition of display with image.
The operator is in step 101, and whether decision will call the memory parameter, if do not want to call, then returns in the general trace routine.If send the order of calling the memory parameter, then Ji Yi imaging parameters is read in the said data processing equipment, and enters in the step 201 of back, if the operator does not plan to reproduce the imaging parameters of memory, then still returns in the general imaging program.If send the order of the imaging parameters that reproduces memory, then enter step 301, the CCD device gain feature value that said data processing equipment PC will import from gamma camera CCD device gain characteristic amount sensor G compares with the CCD device feature amount of being remembered, if both are unequal, then enter step 302, send the control command signal to CCD device gain regulation device C1, increase or reduce the gain of said CCD device step by step towards the direction of convergence memory capacitance, return then in the previous step 301, repeat like this, consistent up to the CCD of reality device gain with memory capacitance.Then enter step 401, said data processing equipment will compare with the lens aperture amount of being remembered from the lens aperture characteristic quantity of camera lens aperture characteristic amount sensor A input, if both do not wait, then enter step 402, the control signal that lens aperture regulation device C2 sends according to data processing equipment PC, increase or reduce the size of lens aperture step by step towards leveling off to the direction of memory capacitance, return in the step 401, so repeatedly, up to the lens aperture value of reality with till memory capacitance is consistent.Enter in the step 501 then, data processing equipment compares the measured light-source brightness of light-source brightness pick off and the light-source brightness of memory, as unequal each other, just enter step 502, in this step, data processing equipment PC control light source brightness control device, increase or reduce the brightness of light source step by step towards the direction of convergence memory capacitance, return in the step 501, this two steps are carried out in circulation, up to the light-source brightness of reality with the light-source brightness of memory just the same till.At this moment, can enter in the step 601, the imaging parameters locking that has mixed up.Just can adjust the image of probe positions and observation post appearance, might be when having found focus when finding, just the image with gained freezes (or fixed auspicious).If do not lock parameter, can also finely tune the brightness of light source with the light-source brightness manual adjustments button on the light source probe, to obtain more gratifying image.
Figure 5 shows that the structural representation of used light source probe in one embodiment of the present of invention.
As shown in Figure 5, light source probe 1 of the present invention mainly is made of shell 2, light conductor 3, light source 4, reflector 5, light source control device 6, fan 7 and cable more than 8 parts.The shape of light source probe 1 and size are to design according to being fit to hand-held standard.Probing shell 2 is made by lighttight heat-barrier material.Light conductor 3 is a kind of organic material with excellent heat insulation property, particularly light transmission, and its side 11 is coated with the light-proof material layer, preferably, coats one deck total reflection film.The light that light source 4 sends is launched forward with the form of approximate directional light under the effect of reflector, preferably, reflector is to be made by the material that can absorb the light of visible light wave range in a large number, and the optical band of so actual outgoing is to concentrate in the useful 700-900nm scope of transmission photograph.The light that light source sends enters in the light conductor through the light conductor rear surface 12 of printing opacity, penetrate from the front surface of light conductor, the front surface 9 of light conductor and rear surface 12 provide one from the logical light path of probe inner light source outside probe, comparatively convenient for the use that makes probe, the front surface 9 of light conductor and rear surface 12 have a certain degree with the direction of the light beam that light source 4 sends.The effect of light source control device 6 is the brightness of the light that sends of regulation and control light source, it is connected with supervisory keyboard 20 on being installed in probing shell 2 by line 16, main control button comprises manual adjusting switching key 17, and this key is used for the manual adjustments light-source brightness and regulates the light-source brightness function conversion automatically; Brightness increases button 18, and brightness reduces button 19, and the brightness of the enough step-less adjustment light sources of these two bond energys reaches the purpose that makes clear image by regulating light-source brightness.Because used light source 4 can give out a large amount of heats at short notice, for user and the detected person of not burning, exhaust fan 7 has been installed at probe 1 rear portion, its effect is that the heat that light source 4 produces is extracted out, 1 rear portion dissipates from popping one's head in.As we can see from the figure, in probe 1 forward shell 2, also has one deck inner shell 14, form a hollow layer between inner shell 14 and the shell 2, in the zone of shell 2, have many through holes 15 near the probe middle part, in the forward zone of inner shell 14 approaching probes, also have many through holes 13 simultaneously, after fan 7 starts, produce suction force from front to back, under the effect of this suction, the outer air of probe enters hollow layer between shell 2 and the inner shell 14 from through hole 15, it is anterior to enter probe from through hole 13 again, the heat heating that is produced by light source here, at last, the air of heating is discharged from the through hole 21 of probe afterbody by fan 7, thereby is reached for the purpose of probe heat radiation.
In order to make the detected soft tissue can be by more in large area, irradiation more equably, the inventor carries out roughening to the light conductor light output surface of the probe front end that normally polished by strictness in the prior art and handles, a kind of mode wherein is its surface to be worn into the shape of similar clouded glass, countless small diffuse scattering surfaces so just on the light output surface of light source probe, have been formed, make the emergent light of light source probe become diffusion through the diffuse scattering of roughening treatment surface and penetrate light, thereby increased the outgoing solid angle and the outgoing uniformity of light of light greatly by approximate directional light.Make light source can shine more large-area mammary gland tissue equably with same light-source brightness.The present invention can also carve mill with the light conductor surface of probe front end, makes said surface become interlaced by the parallel burr of at least two group regular distribution and reticulate pattern shape that form.Thereby the light from the light conductor outgoing is produced intensive scattering process, increased the distribution three-dimensional viewpoin and the uniformity of emergent light.About the above-mentioned improvement inventor another application for a patent for invention has been proposed simultaneously.
In addition, as can be seen from the figure, on the intravital suitable position of the forward leaded light of probe, also be provided with the pick off 10 that is used for detection probe emitting brightness and probe temperature, nature, said pick off can be selected any suitable pick off in the prior art for use.According to the present invention, the brightness of the light that this pick off 10 detects said light source at any time and sent and near the temperature of probe light-emitting window, and the signal of telecommunication of representative light-source brightness that will produce and probe temperature outputs among the said data processing equipment PC by transmission line.
In the present invention, light source control device 6 can be by two kinds of working method runnings, a kind of is to increase under the control that button 18 and brightness reduces button 19 step by step or the brightness of the said light source 4 of step-less adjustment in manual brightness, another kind be under the control of the control signal of said data processing equipment PC output step by step or the brightness of the said light source of step-less adjustment.The conversion of these two kinds of working methods is finished by manual switching key 17.
In another embodiment of the present invention, the control button on the said supervisory keyboard 20 has manual switching key 17 incessantly, and light-source brightness increases button 18 and brightness reduces button 19, also includes other function key.As shown in Figure 6, on supervisory keyboard 120, except manual switching key 117 is arranged, light-source brightness increases button 118 and brightness reduces outside the button 119, the image that also is useful on maintenance and memory image freezes (fixed auspicious) button 122, and the image that this key is about to when pressing on the current indicator screen maintains and is stored among the video memory M.Comprise that in addition visual parameter reproduces button 123 and parameter locking button 124, it is exactly to be used for of the present inventionly that wherein visual parameter reproduces button 123, and the imaging parameters that it can be controlled in the image of a certain case history of past that the diagnostic equipment will be memorized is reproduced in the current imaging procedures.Said visual parameter or imaging parameters all refer to the said light-source brightness in front, camera lens aperture characteristic quantity and gamma camera CCD device gain characteristic quantity.As for said lens focus characteristic quantity, probe temperature and environmental light brightness also just showed as the reference amount in detection originally, so need not reproduce them in representational role.Imaging parameters locking button 124 is used for pinning fixed each imaging parameters in testing process, prevents the frequent unhelpful variation of imaging parameters when the operator moves light source probe.
The front was mentioned, and various pick offs that adopted in the device of the present invention and regulation device can use any components and parts and method that can realize the various operation principles of required function in the prior art.So be not described in detail them in this application.
Should be noted that; the present invention is not limited only to the content of specific embodiment described above; any one those of ordinary skill in the art can expect; under design of the present invention and the prerequisite that do not depart from the scope of the present invention; can also make many useful improvement and variation, these all belong to protection scope of the present invention.
Claims (14)
1, a kind of method that is used to make the equipment of diagnosing soft tissue diseases to reproduce imaging parameters, said diagnostic device comprises the light source of emission nonionic radiant light, gamma camera, computer image processing system and image diplay is characterized in that: method of the present invention comprises the following steps:
A. use the detected soft tissue of light source irradiation, and absorb the light that transmits with the CCD gamma camera from said soft tissue, the processing of process computer image processing system changes visual image into and is presented in the display;
B. utilize the light-source brightness pick off that is installed between light source probe and the detected soft tissue to survey the brightness of said light source, the lens aperture characteristic amount sensor that utilization is installed in the gamma camera detects said lens aperture characteristic quantity, utilizes the CCD gain characteristics quantity sensor that is installed on the gamma camera CCD device to detect said CCD gain characteristics amount;
C. with detected light-source brightness, lens aperture characteristic quantity and CCD gain characteristics amount are sent in the data blood processor; And will determine the imaging parameters and the said image of the image of reservation to store together;
D. in testing process once more, at first access the imaging parameters of the diagnosis image before it, and be input in the said data processing equipment as memory capacitance according to patient's case history;
E. said data processing equipment sends and controls signal to control device, automatically regulate the size of said lens aperture, CCD gain and light-source brightness, up to all above-mentioned imaging parameters all with step D in the memory capacitance of said imaging parameters in full accord till.
2, the method of claim 1, it is characterized in that: in said step e, the CCD device gain characteristic quantity of the reality that said data processing equipment will be recorded by gamma camera CCD device gain pick off and the memory capacitance of said CCD device gain compare, if the amount of said reality and said memory capacitance are unequal, then said data processing equipment sends and controls signal to gamma camera CCD device gain regulation device, increase or reduce the gain of said CCD device step by step, equate fully with said memory capacitance up to the gain of the CCD of said reality device.
3, method as claimed in claim 2, it is characterized in that: in said step e, the lens aperture characteristic quantity of the reality that said data processing equipment will be recorded by camera lens aperture pick off and the memory capacitance of said lens aperture characteristic quantity compare, if the amount of said reality and said memory capacitance are unequal, then said data processing equipment sends and controls signal to camera lens aperture regulation device, increase or reduce said lens aperture step by step, equate fully with said memory capacitance up to the lens aperture of said reality.
4, as claim 1 or 2 or 3 described methods, it is characterized in that: in said step e, the light-source brightness of the reality that said data processing equipment will be recorded by the light-source brightness pick off and the memory capacitance of said light-source brightness compare, if the amount of said reality and said memory capacitance are unequal, then said data processing equipment sends and controls signal to the light source brightness control device, increase or reduce said light-source brightness step by step, equate fully with said memory capacitance up to the light-source brightness of said reality.
5, method as claimed in claim 4 is characterized in that: it also comprises the step of the imaging parameters locking that will mix up.
6, method as claimed in claim 4 is characterized in that: it also comprises the step of the said light-source brightness of manual fine-tuning.
7, as claim 5 or 6 described methods, it is characterized in that: detected parameter also comprises lens focus, probe temperature, and environmental light brightness.
8, method as claimed in claim 7 is characterized in that: all detected parameters all are presented on the display, and are stored in the video memory together with the image that is retained.
9, realize reproducing the device of imaging parameters, which comprises at least as soft tissue diseases's diagnostic device of the described method of claim 1 to 8:
Light source probe is used to shine detected soft tissue;
The CCD gamma camera is used for absorbing the light that transmits from said detected soft tissue;
Computer image processing system is installed in the main frame of diagnostic device, is used for the image that said gamma camera obtains is handled, and changes it into visual image;
Display links with said computer image treatment device, is used to show the image that can show various useful informations after treatment;
It is characterized in that: the device of said reproduction imaging parameters also comprises:
The light-source brightness pick off is installed between said light source probe and the detected soft tissue, is used for the brightness of the light that detection light source sends;
Camera lens aperture characteristic amount sensor is installed on the said gamma camera, is used to detect the size of said lens aperture;
Gamma camera CCD device gain characteristic amount sensor is arranged on the said gamma camera CCD device, is used to detect the size of said CCD device gain;
A data blood processor, be connected with computer image processing system with said light-source brightness detecting element, camera lens aperture characteristic amount sensor, CCD device gain pick off respectively, be used to receive each parameter signals by said light-source brightness detecting element, camera lens aperture characteristic amount sensor, the output of CCD device gain pick off, and each value of consult volume of the reality of input memory capacitance of each parameter with input in advance compared, according to result relatively, export control signal again;
The light source brightness control device is used for regulating and controlling according to the control signal of said data processing equipment output the brightness of said light source;
Camera lens aperture regulation device, the size of said lens aperture is regulated and controlled to the control signal that is used for exporting according to said data processing equipment;
CCD device gain regulation device, the size of said CCD device gain is regulated and controlled to the control signal that is used for exporting according to said data processing equipment;
10, the device of reproduction imaging parameters as claimed in claim 9 is characterized in that: it also comprises the probe temperature pick off, camera lens focal length pick off, environmental luminance sensor and camera lens focal length regulation device.
11, as the device of claim 9 or 10 described reproduction imaging parameters, it is characterized in that: it also comprises: be used for the supervisory keyboard of imaging procedures control operation, said supervisory keyboard links with said light source probe and data processing equipment respectively.
12, the device of reproduction imaging parameters as claimed in claim 11 is characterized in that: it also comprises video memory, computer service system and printer.
13, the device of reproduction imaging parameters as claimed in claim 12 is characterized in that: said light-source brightness pick off is installed in the intravital suitable position of said light source probe front end leaded light.
14, the device of reproduction imaging parameters as claimed in claim 13, it is characterized in that: said supervisory keyboard is installed on the said light source probe, control button on the said supervisory keyboard comprises manual switching key, image freezes button, light-source brightness increases button, light-source brightness reduces button, and imaging parameters reproduces button and parameter locking button.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105110 CN1029726C (en) | 1993-05-04 | 1993-05-04 | Method for reproducing imaging parameters of diagnostic transmission equipment and apparatus therefor |
| AU51738/93A AU5173893A (en) | 1993-05-04 | 1993-10-19 | Method and apparatus for examining tissue by transillumination using near infrared light |
| PCT/CA1993/000441 WO1994024927A1 (en) | 1993-05-04 | 1993-10-19 | Method and apparatus for examining tissue by transillumination using near infrared light |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 93105110 CN1029726C (en) | 1993-05-04 | 1993-05-04 | Method for reproducing imaging parameters of diagnostic transmission equipment and apparatus therefor |
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| CN1076102A CN1076102A (en) | 1993-09-15 |
| CN1029726C true CN1029726C (en) | 1995-09-13 |
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| TWI526683B (en) * | 2014-07-10 | 2016-03-21 | Machvision Inc | Method of setting parameters for common setting between optical inspection units |
| CN108175376A (en) * | 2018-02-08 | 2018-06-19 | 天津优视医疗器械有限公司 | A kind of system and its method of work for being used to recording and adjusting ophthalmology image documentation equipment |
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|---|---|
| CN1076102A (en) | 1993-09-15 |
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