Device for diaphragming working bucnh of medical x-ray diagnostic apparatus

FIELD: medical eqipment.

SUBSTANCE: device can be used for rigging digital X-ray diagnostic apparata. Device has for diaphragming working bunch of medical X-ray diagnostic apparatus has depth diaphragm provided with top and lower group of shutters made of material withhigh atomic number, for example, of plumbum. Shutters are made for movement by mechanism connected with electric engine and disposed between entrance and exit holes of depth diaphragm. Case of diaphragm is tightly connected with optical window of X-ray irradiator. Digital photocamera is fixed inside case of depth diaphragm. Photocamera is connected with computer equipped with display and with electric coordinatographic device connected woth electric engine. Digital photcamera is mounted for bringing phot image together with X-ray image. Camera is has two mirrord, one of which mirrors is disposed within area of direct X-ray from X-ray radiator. Shadow image of internal organs is brought into coincidence with image of skin cover of patient within area of rentgenography.

EFFECT: eased scheduling of surgical operation.

3 dwg

 

The present invention relates to the topic of medical equipment and is intended primarily for equipment digital x-ray machines.

A device for iris working beam medical x-ray diagnostic apparatus, containing a tube of metal with a high atomic number (lead free), mounted in the optical window of the candy bar [1, s]. This device was equipped with a portable mobile x-ray apparatus L. A disadvantage of the known device is that it lacks a mechanism for adjusting the width of the working x-ray beam. This drawback limits the use of the known device [1].

The closest analogue to the declared object is a device for iris working beam medical x-ray diagnostic apparatus, containing deep aperture with the upper and lower pairs of curtains from a material with high atomic number such as lead, fixed in the housing of the x-ray shielding material and equipped with an Electromechanical actuator with remote control [2, s]. In addition, deep aperture is equipped with a light centralizer. The case depth of the diaphragm, having inlet and outlet, is rigidly connected with the optical window of the x-ray emitter. This analogueboy us as a prototype. Design of a prototype allows you to adjust the width of the x-ray beam in the zone of interest. At the same time, the known device does not provide the possibility of obtaining an x-ray image of the skin of the patient. This composite image is necessary, for example, in the local treatment of tuberculosis caverns, when performed percutaneous puncture of a cavity with subsequent introduction of a medicinal product. Composite image of internal organs and skin in the area of interest facilitates the planning of surgical operations.

The aim of the present invention is the combination of shadow images of the internal organs with the image of the skin of the patient in the area of radiography.

This objective is achieved in that the device for iris working beam medical x-ray diagnostic apparatus, containing deep aperture with the upper and lower groups of blinds from a material with high atomic number such as lead, made with the possibility of moving mechanism connected to the motor and located between the inlet and outlet ports of the depth of the diaphragm, a housing which is rigidly connected with the optical window of the x-ray emitter, in the case of deep diaphragm attached digital camera connected to the computer, equipped with a display and an electronic coordinatograph connected to the motor that digital camera by means of two mirrors, one of which is located in the zone of direct x-rays, optical paired with the x-ray emitter with the possibility of combining photographic images with the x-ray image.

The invention is further illustrated by the drawings and description thereto.

Figure 1 gives a General view of the device; figure 2 shows the relative position of the blinds deep diaphragm; figure 3 shows a device comprising a digital x-ray diagnostic apparatus.

Device for iris working beam medical x-ray diagnostic apparatus has a deep aperture 1 in the housing 2 which are fixed two groups of shutters (top and bottom) (figure 1). Each group contains four blind 3 (a, b, C, d), which is a plate of metal with a high atomic number such as lead (figure 2). Blinds 3 (a, b) can be moved along the x-axis, and the shutter 3 (C, d) along the y-axis when working mechanism 4 connected to the motor 5. Mechanism 4 is a gear; it is designed for synchronous operation of the upper and lower groups of shutters 3 (a, b, C, d)required to ensure proper geometry of the working of the x-ray beam generated by the free space 6 And The 6 In between the shutters 3 (a, b, C, d).

Case 2 deep diaphragm 1 has an input 7 and output 8 holes. The inlet 7 is adjacent to the optical window 9 x-ray emitter 10 rigidly connected with the housing 2 of the depth of the diaphragm 1. Inside the x-ray emitter 10 is the x-ray tube 11. In the optical window 9 x-ray emitter 10 is fixed primary collimator 12 from a material with high atomic number such as lead, and the filter 13, for example made of aluminum, designed to absorb soft x-rays.

Inside the housing 2 deep diaphragm 1 is fixed digital camera 14, optically coupled with the x-ray emitter 10 by means of two mirrors 15 and 16. The mirror 16 located in the area of direct x-rays, has a base of radiolucent material, for example made of organic glass. Digital camera 14 is connected to the microprocessor 17, which can be used a personal computer. The microprocessor 17 is connected with a digital display 18, equipped with electronic coordinatograph 19 managing the electric motor 5. The operation of the device is performed from the remote control 20.

Consider the proposed device comprising a digital x-ray diagnostic apparatus.

Basic elements of digital x-ray what about the apparatus are x-ray power supply the high-frequency device of the type 21, connected to the x-ray emitter 10 and the electronic x-ray detector 22 (e.g., digital pad)connected to a personal computer 17 (Fig 3). The detector 22 is fixed under the deck 23 of the x-ray table.

Patient 24, surveyed, for example, regarding disease, cavernous tuberculosis, stack on deck 23 of the x-ray table x-ray emitter 10 (figure 3). When the opened the shutters 3 (a, b, C, d) depth of the diaphragm 1 digital camera 14 produces images of the body of patient 24. Figure 3 the area of the shooting marked the outer dash-dotted lines k. Photo 25 of the body of the patient is reproduced on the screen of the digital display 18. Next on the screen of the digital display 18 using the remote control 20 square 26 allocate an area of radiography. The coordinates of the square 26 is converted electronic coordinatograph 19 into an electrical signal, which is supplied to the motor 5 for controlling the operation of the shutter 3 (a, b, C, d) depth of the diaphragm 1. In this operation, the upper and lower shutter 3 (a, b, C, d) occupy the original position. After that, the control unit 20 sets the mode radiography and include x-ray power supply device 21. Figure 3 area x-ray indicated the inner dash-dotted lines n. The point denoted by F focus x-ray tube 11. X is some image converted by the detector 22 into an electrical signal, which is transmitted to the personal computer 17, which is formed by the digital image sensor. Digital x-ray image 27 is displayed on the display screen 18. X-ray image 27 containing tuberculosis cavity 28, combined with photo 25 of the body of patient 24, is used for planning a surgical operation.

Sources of information (analogues)

[1] Technical means of x-ray. - M.: Medicine, 1981. - Edited by Prof. Iaineiiia.

[2] Chichinin EG, Miskinis A.B. Technical encyclopedia of the radiologist. - M.: MYPI, 1996.

Device for iris working beam medical x-ray-ediagnostics apparatus containing deep aperture with the upper and lower groups of blinds from a material with high atomic number such as lead, made with the possibility of moving mechanism connected to the motor and located between the inlet and outlet ports of the depth of the diaphragm, a housing which is rigidly connected with the optical window of the x-ray emitter, characterized in that in the case of deep diaphragm attached digital camera connected to a computer equipped with a display and an electronic coordinatograph connected to the motor, with a digital camera, by means of two mirrors, one of colorinterpolator in the zone direct x-rays from the x-ray emitter, optical is installed with the possibility of combining photographic images with the x-ray image.



 

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