CN203328709U - CT machine capable of automatically adjusting exposure intensity - Google Patents
CT machine capable of automatically adjusting exposure intensity Download PDFInfo
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- CN203328709U CN203328709U CN2013203906080U CN201320390608U CN203328709U CN 203328709 U CN203328709 U CN 203328709U CN 2013203906080 U CN2013203906080 U CN 2013203906080U CN 201320390608 U CN201320390608 U CN 201320390608U CN 203328709 U CN203328709 U CN 203328709U
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- scanning bed
- processing controller
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Abstract
The utility model discloses a CT machine capable of automatically adjusting the exposure intensity. Pulleys are arranged on the lower surface of a scanning bed, slide grooves matched with the pulleys are formed in the upper surfaces of a support, the support is arranged under the scanning bed, the support is movably connected with the scanning bed through the pulleys and the slide grooves, a fixing frame is symmetrically arranged on the two sides of a scanner, the fixing frame is movably connected with the scanner through a rotating shaft, a rotating ring is arranged in the center of the scanner, an X ray generator is arranged on the surface of the rotating ring, an adjustable raster is arranged at the front end of the X ray generator, a processing controller is arranged on the scanner, and the adjustable raster is connected to the processing controller. The CT machine can adjust the diffraction parameters of the raster according to the requirements of medical examination for the exposure intensity and the exposure area. Thus, the exposure intensity and the exposure area are adjusted, the intelligent control on the exposure intensity and the exposure area is achieved, and unnecessary exposure dose in medical treatment is reduced. Meanwhile, the CT machine is simple to operate and good in controllability. Furthermore, the using safety of the CT machine is greatly improved.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of CT machine of automatic adjustment exposure rate.
Background technology
CT is the abbreviation of " computed tomography machine " or " computed tomography " English Computed Tomography, being in the maximum aspect the x-ray diagnosis, to have broken through since roentgen in 1895 finds x-ray, is that computer control technology and the x-ray of develop rapidly in modern age checks the product that camera work combines.CT is first for cranium disease of brain diagnosis, after expanded again general physical checkup in 1976, be the great revolution of x-ray in radiology.China has also introduced this new technique at the end of the seventies, in short decades, all parts of the country and even county and town level hospital have installed thousands of, the CT machine of various models altogether, CT examination in China rapidly stratum open, become indispensable equipment in medical diagnosis.
CT develops from X-ray machine, and it has improved the resolution capability that x-ray checks significantly, and its resolution and etiologic diagnosis accuracy rate be much higher than general X-ray machine, thereby the subject range that open x-ray checks has improved the accuracy rate of x-ray diagnosis significantly.CT is that certain part to human body is scanned by certain thickness aspect with the x-ray bundle, when x-ray directive tissue, the part ray is absorbed by tissue, the part ray is received by detector through human body, produce signal, then by received this discrepant ray signal, by computer, processed after changing digital information into, output on the fluorescent screen of demonstration and demonstrate cross-sectional image.The characteristics of CT are easy and simple to handle, no pain concerning patient, its density, resolution are high, can observe pathological changes very little in human body, directly show organ and the pathological changes that the x-ray plain film can't show, it is very responsive and reliable aspect discovery pathological changes, the relative tertiary location of determining pathological changes, size, number, has special value.
But because X ray has certain radioactivity, if can not control exposure rate and the irradiation area of X ray, need to often be the sufferer of CT examination and the medical personnel that operated for some, physical impairment is in various degree arranged, serious impact medical safety.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of CT machine of automatic adjustment exposure rate, can adjust as required exposure rate and the irradiation area of X ray at lesions position, make CT scan more accurate, reduce unnecessary exposure dose simultaneously, improved medical safety.
The CT machine of the disclosed a kind of automatic adjustment exposure rate of this utility model, comprise support, scanning bed, fixed mount, scanner, rotating ring, x ray generator, processing controller and tunable gratings, described scanning bed lower surface is provided with pulley, described rack upper surface is provided with the chute suitable with pulley, described support is arranged on scanning bed below, support is by pulley and chute and scanning bed flexible connection, described fixed mount is symmetricly set on the both sides of scanner, fixed mount is flexibly connected by rotating shaft and scanner, described rotating ring is arranged on the central authorities of scanner, described x ray generator is arranged on the surface of rotating ring, the front end of described x ray generator is provided with tunable gratings, described processing controller is arranged on scanner, described tunable gratings is connected to processing controller.This utility model, by the fixed mount arranged, can be reconciled the angle that tilts forward and back of scanner, the position of convenient scanning different angles; By the rotating ring arranged, can 360 degree rotation sweeps; By the processing controller arranged, can need to be regulated according to scanning; By being arranged on the tunable gratings of x ray generator front end, adjust the optical grating diffraction parameter according to the needs of medical examination exposure rate and irradiation area, thereby adjust exposure rate and irradiation area, realize the Based Intelligent Control of exposure rate and irradiation area, reduced exposure dose unnecessary in the medical treatment.
A kind of improvement of the CT machine of the disclosed a kind of automatic adjustment exposure rate of this utility model, also comprise the light modulation machine, and described light modulation machine is arranged between x ray generator and tunable gratings, and described light modulation machine is connected to processing controller.This improvement, by the light modulation machine arranged, can be carried out part and cover according to the needs of the actual irradiation area of medical treatment, thereby realizes the control to medical exposure dosage, has improved medical safety.
Another improvement of the CT machine of the disclosed a kind of automatic adjustment exposure rate of this utility model, described light modulation machine is shutter light modulation machine.The shutter light modulation machine that this improvement arranges, simple in structure, easy to use, whole handling good, improved the safety that the CT machine uses.
The CT machine of the disclosed a kind of automatic adjustment exposure rate of this utility model, can adjust the optical grating diffraction parameter according to the needs of medical examination exposure rate and irradiation area, thereby adjust exposure rate and irradiation area, realized the Based Intelligent Control of exposure rate and irradiation area, reduced exposure dose unnecessary in the medical treatment, simultaneously simple to operate, controlled good, greatly improved the safety that the CT machine uses.
The accompanying drawing explanation
Fig. 1, structural representation of the present utility model;
Reference numerals list: 1, support, 2, scanning bed, 3, fixed mount, 4, scanner, 5, rotating ring, 6, x ray generator, 7, tunable gratings.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate this utility model, should understand the following specific embodiment and only for this utility model is described, be not used in restriction scope of the present utility model.It should be noted that, word 'fornt', 'back', " left side ", " right side ", "up" and "down" that use is described below refer to the direction in accompanying drawing, word " interior " and " outward " refer to respectively towards or away from the direction of particular elements geometric center.
As shown in Figure 1, the CT machine of the disclosed a kind of automatic adjustment exposure rate of this utility model, comprise support 1, scanning bed 2, fixed mount 3, scanner 4, rotating ring 5, x ray generator 6, processing controller and tunable gratings 7, described scanning bed 2 lower surface is provided with pulley, described support 1 upper surface is provided with the chute suitable with pulley, described support 1 is arranged on scanning bed 2 below, support 1 is flexibly connected by pulley and chute and scanning bed 2, described fixed mount 3 is symmetricly set on the both sides of scanner 4, fixed mount 3 is flexibly connected by rotating shaft and scanner 4, described rotating ring 5 is arranged on the central authorities of scanner 4, described x ray generator 6 is arranged on the surface of rotating ring 5, the front end of described x ray generator 6 is provided with tunable gratings 7, described processing controller is arranged on scanner 4, described tunable gratings 7 is connected to processing controller.This utility model, by the fixed mount arranged, can be reconciled the angle that tilts forward and back of scanner, the position of convenient scanning different angles; By the rotating ring arranged, can 360 degree rotation sweeps; By the processing controller arranged, can need to be regulated according to scanning; By being arranged on the tunable gratings of x ray generator front end, adjust the optical grating diffraction parameter according to the needs of medical examination exposure rate and irradiation area, thereby adjust exposure rate and irradiation area, realize the Based Intelligent Control of exposure rate and irradiation area, reduced exposure dose unnecessary in the medical treatment.
Preferably also comprise the light modulation machine as a kind of, described light modulation machine is arranged between x ray generator 6 and tunable gratings 7, and described light modulation machine is connected to processing controller.This utility model, by the light modulation machine arranged, can carry out part and cover according to the needs of the actual irradiation area of medical treatment, thereby realizes the control to medical exposure dosage, has improved medical safety.
As a kind of preferred, described light modulation machine is shutter light modulation machine.The shutter light modulation machine that this utility model arranges, simple in structure, easy to use, whole handling good, improved the safety that the CT machine uses.
The CT machine of the disclosed a kind of automatic adjustment exposure rate of this utility model, can adjust the optical grating diffraction parameter according to the needs of medical examination exposure rate and irradiation area, thereby adjust exposure rate and irradiation area, realized the Based Intelligent Control of exposure rate and irradiation area, reduced exposure dose unnecessary in the medical treatment, simultaneously simple to operate, controlled good, greatly improved the safety that the CT machine uses.
The disclosed technological means of this utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme be comprised of above technical characterictic combination in any.The above is the specific embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (3)
1. a CT machine of automatically adjusting exposure rate, it is characterized in that: comprise support, scanning bed, fixed mount, scanner, rotating ring, x ray generator, processing controller and tunable gratings, described scanning bed lower surface is provided with pulley, described rack upper surface is provided with the chute suitable with pulley, described support is arranged on scanning bed below, support is by pulley and chute and scanning bed flexible connection, described fixed mount is symmetricly set on the both sides of scanner, fixed mount is flexibly connected by rotating shaft and scanner, described rotating ring is arranged on the central authorities of scanner, described x ray generator is arranged on the surface of rotating ring, the front end of described x ray generator is provided with tunable gratings, described processing controller is arranged on scanner, described tunable gratings is connected to processing controller.
2. the CT machine of a kind of automatic adjustment exposure rate according to claim 1, it is characterized in that: also comprise the light modulation machine, described light modulation machine is arranged between x ray generator and tunable gratings, and described light modulation machine is connected to processing controller.
3. the CT machine of a kind of automatic adjustment exposure rate according to claim 2, it is characterized in that: described light modulation machine is shutter light modulation machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203906080U CN203328709U (en) | 2013-07-02 | 2013-07-02 | CT machine capable of automatically adjusting exposure intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203906080U CN203328709U (en) | 2013-07-02 | 2013-07-02 | CT machine capable of automatically adjusting exposure intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203328709U true CN203328709U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203906080U Expired - Fee Related CN203328709U (en) | 2013-07-02 | 2013-07-02 | CT machine capable of automatically adjusting exposure intensity |
Country Status (1)
| Country | Link |
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| CN (1) | CN203328709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704722A (en) * | 2017-10-27 | 2018-02-16 | 谭文勇 | A kind of medical information acquisition system |
-
2013
- 2013-07-02 CN CN2013203906080U patent/CN203328709U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704722A (en) * | 2017-10-27 | 2018-02-16 | 谭文勇 | A kind of medical information acquisition system |
| CN107704722B (en) * | 2017-10-27 | 2023-09-15 | 谭文勇 | Medical information acquisition system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140702 |
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| EXPY | Termination of patent right or utility model |