CN2446546Y - X-ray digital code camera - Google Patents

Abstract

The utility model belongs to the field of medical devices and instruments, particularly a digital code camera for shooting medical x-ray images. A low-light digital code camera is utilized for shooting through the means that a circuit and a spectrum are controlled by the linkage of the digital code camera and an X-ray machine for converting shooting means. The x-ray images can be displayed in a real-time mode. The digital code camera is connected with a microcomputer for processing later images or transferring to other places. The utility model has the advantages of rapid image display, image material digitization, clear images, large image observation range, simple operation, low cost, convenient application, etc.

Description

The X-ray digital camera

The utility model belongs to medical instruments field, particularly a kind of digital camera that is used to take medical science X-ray image.

X-ray machine can be launched the X ray with penetrability.With X-ray human body being carried out medical inspection and come diagnosis and treatment of disease, is one of the most frequently used method of medical science.For these years, people use X-ray always and have an X-rayed, make film diagnosis and treatment of disease.The doctor need can observe the human body X optical image from video screen in the darkroom when the patient is carried out fluoroscopic examination.Because screen brightness is faint, so be difficult to see clearly the concrete condition of Chu's pathology; In order not see bright image in the darkroom yet, strengthen the brightness of image with image amplifier, and the image capturing that has been enhanced is converted to vision signal with camera, by display the form of vision signal with image shown again, Here it is strengthens perspective (also being known as the x-ray fluoroscopy that band strengthens), its image brilliance has improved doubly a lot really, and need not enter the darkroom and just can see that bright image shows, but the sharpness of image is still lower, it is not clear that the microtexture of image is still seen, and equipment not only heaviness but also costliness, so there is not extensive popularization and application; In order to observe clear bright medical image; silver halide photographic films X-ray shooting technology is widely used; the sharpness of its image is higher; but must be after the film making through complicated flushing process; take then on the viewbox and can examine, time-consuming bothersome, the image of being taken pictures can not in time be seen; convenient inadequately to timely diagnoses and treatment, particularly bigger to the critically ill patient influence.And consume a large amount of silver; PF, output terminal at image amplifier is separated a part of light of image with optical splitter, take into monolithic or film with the small pieces video camera of 100mm * 100mm or with the 35mm kinematograph, after washing, can play again again by specialized equipment, but equally also exist sharpness not high, shortcoming such as untimely.

The digital camera of rising in recent years, its optical system is the same with ordinary camera, and the sensitization part then is made of the very high CCD of resolution, so the imaging definition height.Digital camera itself can directly change into digital signal to image and be shown or be sent in the computing machine storage, handle, and can clearly show by microcomputer monitor, and image information can be sent to other places by computer network simultaneously; It doubly is the peculiar function of digital camera that electronics becomes, and the optical zoom of digital camera adds that the electronics anamorphosis function can make the field range of image freely change in sizable scope, can browse by panorama, also can focus on a bit to examine; Digital camera also has general camera, the unexistent low-light shoot function of video camera, can take the faint image data of light, and in addition, the shutter opening of digital camera generally adopts electronic circuit control, is easy to connect with other equipment.

The purpose of this utility model is that development time is long in the treatment of above-mentioned x-ray, and the not high shortcoming of image definition proposes instant playback behind a kind of X line filming image, and image data is convenient to store, search the X-ray digital camera with the network transmission.

The utility model is achieved in that by digital camera and X-ray machine interlock control circuit and spectrum conversion image pickup method, utilize common low-light digital camera to take, show in real time the X-ray image, and link, carry out the image post-processed or transmit to other places with microcomputer.

The advantage of X-ray digital camera mainly contains:

1. developing is fast.Take the back image and show immediately, can observe, the image data of reality is provided at any time for clinical treatment.2. image data digitizing, storage takes up room little, transfers and searches conveniently; Carry out analyzing and processing by microcomputer, can demonstrate ND pathology on the general film; Its image data can transmit by microcomputer network, carries out remote medical consultation with specialists.3. image definition.Can photograph the pixel more than 3,300,000 in a width of cloth picture, picture its microtexture after amplifying several times is still clear and legible.4. the image range of observation is big.Make full use of the zoom anamorphosis function of digital camera, can take large-scale wide-angle image, be used for browsing and seek the abnormality position, the local feature picture of also can taking pictures is watched local patholoic change details situation.5. compact conformation is easy to use.Can move operating room to or the ward is checked, avoid heavily endangering and complicated patient's checking process in carrying, can also carry easily and pay a home visit.6. simple to operate.General medical worker can use through simple introduction.7. with low cost, be easy to apply.

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is the working mode figure of X-ray digital camera.

Among the figure: 1 for exposure linkage controller, 7 for start-up control device, 8 is microcomputer for low-light digital camera, 6 for changing optical screen, 4 for reflective mirror, 5 for measured body, 3 for X-ray machine, 2.

Fig. 2 is exposure linkage controller circuit theory diagrams.

Among the figure: 9 is that digital camera flash synchronization device, 10 is the digital camera shutter.

As shown in Figure 1, changing optical screen 3, reflective mirror 4, low-light digital camera 5 and exposure linkage controller 6 is sealed in the darkroom, change optical screen 3 and X ray can be converted to visible light, exposure linkage controller 6 is for coordinating the assembly of synchronous working between control X-ray machine 1 and the low-light digital camera 5.Low-light digital camera 5 with change optical screen 3 vertical laying, low-light digital camera 5 nearly X-ray machine 1 one sides are blocked with the material that can absorb X ray, purpose is to make low-light digital camera 5 avoid seeing through the X ray that changes optical screen 3, avoid the influence of ray to low-light digital camera 5, it is relative with X-ray machine 1 pipe ball to change optical screen 3 centers, reflective mirror 4 with change optical screen 3 angles at 45, make from the visible light that changes optical screen 3 and produce 90 ° of refractions, realize that X-ray separates with visible light, the image that reflects is relative with low-light digital camera 5 camera lenses.The realization X-ray separates with visible light also can adopt low-light digital camera 5, change optical screen 3 line spread, and the centre absorbs X ray with lead glass, but the method increases equipment volume, and cost increases.Low-light digital camera 5 can link to each other with computing machine 8, carries out image data transmission.

When pressing start-up control device 7, under the control of exposure linkage controller 6, low-light digital camera 5 shutter openings start X-ray machine 1 emission X ray simultaneously, and X ray is projected to after by measured body 2 and changes optical screen 3, change optical screen 3 X ray is converted to visible light, reflex to low-light digital camera 5 through catoptron 4, low-light digital camera 5 begins exposure, after exposure is finished during shutter close, exposure linkage controller 6 control X-ray machines 1 stop to launch X ray, finish once photo taking.The image of taking the photograph is stored in digital camera and freezes in the digital camera display screen, also can transfer to microcomputer 8 demonstrations simultaneously or further do Flame Image Process, even send by network.

Expose shown in the linkage controller circuit theory diagrams as Fig. 2, exposure linkage controller 6 links to each other with shutter, the flash synchronization device of start-up control device 7, X-ray machine 1 and low-light digital camera 5 respectively.After start-up control device 7 is opened, optical coupling device DS1 conducting, capacitor C charging, bidirectional triode thyristor SCR conducting, the relay J coil produces magnetic field, and the closing of contact makes X-ray machine 1 emission X ray, optical coupling device DS3 conducting simultaneously, low-light digital camera shutter 10 is opened, and low-light digital camera 5 begins exposure.After 5 exposures of low-light digital camera are finished, close shutter automatically, close shutter signal by the 9 exciting light coupling device DS2 short circuits of low-light digital camera flash synchronization device, the capacitor C discharge, bidirectional triode thyristor SCR opens circuit, and X-ray machine 1 stops divergent-ray, finishes once photo taking.

Claims (2)

1. X-ray digital camera that is used to take medical science X-ray image, by changing optical screen (3), reflective mirror (4), low-light digital camera (5), exposure linkage controller (6), part such as start-up control device (7) is formed, it is characterized in that: change optical screen (3), reflective mirror (4), low-light digital camera (5) and exposure linkage controller (6) are sealed in the darkroom, exposure linkage controller (6) is for coordinating the assembly of synchronous working between control X-ray machine (1) and the low-light digital camera (5), low-light digital camera (5) with change vertical the laying of optical screen (3), nearly X-ray machine (1) one side of low-light digital camera (5) is blocked with the material that can absorb X ray, it is relative with X-ray machine (1) pipe ball to change optical screen (3) center, reflective mirror (4) reflection is changed image in the optical screen (3) to low-light digital camera (5) camera lens, the realization X-ray separates with visible light also can adopt low-light digital camera (5), change optical screen (3) line spread, the centre absorbs X ray with lead glass, low-light digital camera (5) can link to each other with computing machine (8), carries out image data transmission.

2. X-ray digital camera according to claim 1, it is characterized in that: when pressing start-up control device (7), under the control of exposure linkage controller (6), low-light digital camera (5) shutter opening, start X-ray machine (1) emission X ray simultaneously, X ray is projected to after by measured body (2) and changes optical screen (3), change optical screen (3) X ray is converted to visible light, reflex to low-light digital camera (5) through catoptron (4), low-light digital camera (5) begins exposure, exposure is finished the back during shutter close, and exposure linkage controller (6) is controlled X-ray machine (1) and stopped to launch X ray, finishes once photo taking.The image of taking the photograph is stored in digital camera and freezes in the digital camera display screen, also can transfer to microcomputer (8) demonstration simultaneously or further do Flame Image Process.

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