CN219353940U - Medical X-ray imaging system - Google Patents
Medical X-ray imaging system Download PDFInfo
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- CN219353940U CN219353940U CN202320051432.XU CN202320051432U CN219353940U CN 219353940 U CN219353940 U CN 219353940U CN 202320051432 U CN202320051432 U CN 202320051432U CN 219353940 U CN219353940 U CN 219353940U
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Abstract
The utility model discloses a medical X-ray imaging system, which comprises an X-ray source, incident light, a tested sample, emergent light and imaging receiving equipment on the same optical axis, and is characterized by also comprising a soft light absorption flexible membrane material arranged on the incident light path of the tested sample, or a medical ray protection blanket arranged on the emergent light path of the tested sample, or both the soft light absorption flexible membrane material arranged on the incident light path and the medical ray protection blanket arranged on the emergent light path of the tested sample. According to the utility model, according to the different light intensity and light quantity on different positions of the light path of the X-ray imaging system, the soft light absorption flexible membrane material on the incident light path and the medical ray protection blanket on the emergent light path are adopted finely, so that the direct irradiation part of the tested sample is protected, the people and the environment on and around the light path are also protected, and the imaging quality is improved.
Description
Technical Field
The utility model relates to an application system of a flexible radiation protection material, in particular to a medical X-ray imaging system.
Background
X-ray imaging is carried out by depending on the difference of intensity of X-rays transmitted through a tested sample at an imaging receiving part, in order to ensure that the X-rays transmitted through the tested sample are required to reach enough intensity, hard light is required, the effective peak tube voltage is 40-70kev, and the stronger the incident light is, the more the information quantity transmitted through the tested sample is, the more obvious the imaging effect is. Therefore, the greater the intensity and the better the brightness of the X-ray, the more the collimator, the grating and other devices are arranged at the light source of the X-ray imaging system, and any additional X-ray absorption protective device is arranged on the incident light path between the X-ray source of the X-ray imaging system and the tested sample, so that the X-ray dose of the X-ray directly irradiated to the tested sample is directly reduced, the dose of the transmitted residual X-ray carrying the imaging information of the tested sample is indirectly weakened, and the imaging effect is influenced.
The inherent filtering device of the conventional X-ray imaging system is hard, is a part of X-ray source control of the imaging device, and realizes the functions of light concentration and position accuracy.
Any additional X-ray absorption protection equipment on the emergent light path of the tested sample also directly causes the reduction of the imaging X-ray quantity and the weakening of the imaging effect.
The X-ray is generated by bremsstrahlung, is a continuous spectrum, and can be penetrated through a tested sample to contribute to imaging, and the part which cannot penetrate through the tissue of the tested sample is absorbed by the tissue, so that minimally invasive surgery, CT detection and the like cannot be completed in a short time like X-ray photographing, and the absorbed dose can be accumulated along with the time of surgery or tested sample detection.
How to accurately utilize the protective absorbing material, and meet the requirements of different parts of the light path on different brightness and intensity of light: the X-ray on the incident light path ensures the intensity of the light and the brightness of the light; on the outgoing light path, how to clearly and accurately display the information of the carried tested sample on the receiving device, and the subdivision coping strategies are the problems to be solved by the technical scheme of the application.
The technical scheme relates to noun supplement description:
the light path is an incident light path and is a straight line path of X-rays which reach a tested sample from a light source; also indicated is the path of the radiation, the line transmitted from the sample under test, to the path of the X-rays between the receiving films.
The soft light is X-rays with the wavelength of 1-10 angstroms and the corresponding intensity is X-rays with the tube voltage of 1-20 Kev;
the low-energy X-ray is X-ray with the tube voltage of 0-40 Kev.
The scattered light is the light with changed intensity and direction after the Compton effect of X-ray in the tested sample tissue.
The absorbent permeation layer is a flexible composite material layer in which an X-ray powder absorbent uniformly permeates in a matrix component, and elements of elements 57-71 or elements 74-83 comprise simple substances, oxides, compounds and salts of beryllium, aluminum, copper and bismuth or a mixture of at least two of the elements are the absorbent.
The memory cotton is slow rebound foam cotton and can buffer external pressure.
When not specifically stated, the X-ray source, the incident light, the sample to be tested, the emergent light, the imaging receiving device, the soft light absorbing flexible membrane material and the medical radiation protection blanket are all on the same optical axis.
The noise rejection protection function is a function of absorbing scattered light and secondary fluorescence generated by a tested sample and weakening X-ray quantity.
Disclosure of Invention
The medical X-ray imaging system comprises an X-ray source, incident light, a tested sample, emergent light and imaging receiving equipment on the same optical axis, and is characterized by further comprising a soft light absorption flexible membrane material arranged on the incident light path of the tested sample, or a medical ray protection blanket arranged on the emergent light path of the tested sample, or both the soft light absorption flexible membrane material arranged on the incident light path and the medical ray protection blanket arranged on the emergent light path of the tested sample.
The soft light absorption flexible membrane material is arranged on an incident light path close to or closely contacted with a measured sample, and the close to or closely contacted mode is a magic buckle, a bedding, an adhesive or a binding belt.
The medical ray protection blanket is arranged on an emergent light path close to or closely contacted with a tested sample, and the close to or closely contacted mode is a magic buckle, a covering, an adhesive or a binding belt.
The soft light absorbing flexible membrane material comprises a flexible decorative layer and an absorbent permeation layer which are tightly combined, wherein the thickness of the permeation layer is 0.09-0.50 mm, and the density is 3.91-5.0 g/cm 3 。
The amount of incident light, particularly X-rays having an intensity of 10-50Kev at the tube voltage, after absorption of the flexible membrane material by the soft light is smaller than the amount of incident light before the membrane material.
The soft light absorbing flexible membrane material is a complete, regular or irregular shape without holes or opening cracks.
The medical radiation protection blanket comprises a flexible decorative layer and an absorbent permeation layer which are tightly combined, wherein the thickness of the permeation layer is 0.09-0.20 mm, and the density is 3.6-3.9 g/cm 3 。
The total amount of light, including in particular the scattered light, is reduced by more than 50% after passing through the medical radiation protection blanket.
The medical radiation protection blanket is made of a membrane material which is complete or provided with perforations and is provided with local cracks and has a regular or irregular shape.
The flexible decorative layer and the absorbent permeable layer are connected in one of hot pressing, pasting and edge locking and sewing.
The flexible decorative layer is made of flexible non-woven fabric, leather, woven fabric or rubber-plastic membrane material serving as a single outer side surface or double outer side surfaces.
The packaging mode of the soft light absorbing flexible membrane material before use is ethylene oxide sterilized disposable packaging, the roll core is a solid or hollow cylinder, and the length of the roll core is larger than or equal to any side length of the membrane material.
The packaging mode of the medical radiation protection blanket before use is a disposable packaging mode of ethylene oxide disinfection, the medical radiation protection blanket is in a rolled shape, a rolled core is a solid or hollow cylinder, and the length of the rolled core is larger than or equal to any side length of a membrane material.
The roll core is made of hollow or solid memory sponge.
Advantageous effects
1. According to the technical scheme, according to the different X-ray intensities and brightness required on different positions on the optical path of an X-ray imaging system, soft light absorption flexible membrane materials or medical ray protection blankets or combinations thereof are respectively adopted, so that the direct irradiation part of a tested sample is protected, people and the environment on and around the optical path are also protected, and meanwhile, the imaging quality is improved.
2. The soft light absorbing flexible membrane material is directly arranged on an incident light path in front of a tested sample and is used for absorbing a low-energy part of the intensity of the incident light source of the tested sample in the range of 0-40kev, particularly soft light components in X-rays which are unassisted in the range of 1-20kev in the range of the tube voltage and almost absorbed by a living sample, so that the incident light spectrum is more concentrated in the range of the tube voltage which is effectively imaged and is more than 40kev, the spectrum is narrowed, the light quantity is weakened, and the absorption of the soft light by the tested sample such as a patient or a physical examination person on the light path is reduced.
3. The medical ray protection blanket is arranged on an emergent light path penetrating through a tested sample, and low-energy soft photons, scattered rays and secondary fluorescent radiation generated when passing through the tested sample are effectively absorbed by the protection blanket, so that scattered light in emergent light penetrating through the tested sample is effectively weakened, and imaging background noise is reduced, so that imaging is clearer; the amount of emitted light passing through the sample under test is also greatly reduced, so that doctor and nurses operating on and around the emitted light path are exposed to a reduced dose of radiation.
4. The flexible membrane material and the protective blanket of the technical scheme are flexible, the use is flexible, the medical disposable standard package is used, the defects of inherent facilities and rigidity of an X-ray imaging system are overcome, the number, the size and the thickness of the membrane material or the protective blanket can be randomly adjusted according to the weight difference of a measured sample plate, and the implementation is more convenient. The package in the shape of a roll eliminates the residual crease of the folded package on the photo, is the package preference, and the core material of the memory sponge buffers the damage of external force to the package in the shape of a roll.
5. The diaphragm material and the medical ray protection blanket of the technical scheme are easy to produce in mass, easy to implement, directly obvious in effect and wide in adaptability.
The following description of the present utility model will further explain the present utility model by means of the attached drawings and the specific embodiments, and any addition, deletion, modification, decoration or equivalent substitution of the non-inventive parts of the present utility model will fall within the protection scope of the present utility model.
Drawings
Fig. 1: the technical scheme is that a medical X-ray imaging system is structurally schematic.
Wherein 1 is an X-ray source and inherent equipment, 2 is incident light, 3 is a soft light absorption flexible membrane material arranged on an incident light path, 4 is a detected sample, 5 is emergent light, 6 is a medical ray protection blanket arranged on an emergent light path, and 7 is imaging receiving equipment.
Remarks: wherein 3 and 6 are at least one.
In fig. 2-1, one of the x-ray imaging diagrams, a medical radiation protection blanket is arranged on the emergent light path, and the packaging mode of the protection blanket before use is disposable, ethylene oxide disinfection and folding packaging.
The imaging is clear, and even the folding stripes are visible.
And 2-2, a second X-ray imaging diagram, a medical radiation protection blanket is arranged on an emergent light path, and the packaging mode of the protection blanket before use is disposable, ethylene oxide disinfection and coiled packaging.
The imaging is clear, and the folding stripes are eliminated.
2-3, the third of the X-ray imaging views, the medical radiation blanket is deactivated in the path of the exiting light.
The imaging was clear but somewhat inferior to fig. 2-2.
In fig. 3, the fourth x-ray imaging chart is that a soft light absorbing flexible film material is arranged on the incident light, and a medical radiation protection blanket is arranged on the emergent light path, and the protection blanket is packaged in a disposable, ethylene oxide sterilizing and coiled way.
The imaging is clear.
Detailed Description
Example 1
Referring to fig. 1 and remarks thereof, a medical X-ray imaging system comprises an X-ray source, incident light, a sample to be measured, emergent light, an imaging receiving device and a soft light absorbing flexible membrane material arranged on the incident light path of the sample to be measured, wherein the soft light absorbing flexible membrane material is arranged on the incident light path close to or closely contacted with the sample to be measured, is paved on an irradiation part of the sample to be measured facing the incident light source through a binding belt, comprises a flexible decorative layer and an absorbent permeation layer which are closely combined, has a thickness of 0.1+/-0.01 mm and a density of 3.91g/cm 3 The soft light absorbing flexible membrane material is a complete regular shape without holes or opening cracks, the size of the soft light absorbing flexible membrane material is 400mm multiplied by 600mm, the connection mode of the flexible decorative layer and the absorbent permeation layer is edge-locking stitching, the flexible decorative layer is flexible non-woven fabric serving as a double outer side surface, the packaging mode before use is ethylene oxide sterilized disposable packaging, the roll-shaped roll core is a hollow cylinder, the length of the roll core is 410mm, and the roll core material is a hollow memory sponge. With digital angiography system (DSA), brand: PHILIPS, model: 722063159 and digital signal processor in the data acquisition device: t10009. Acquiring data at an imaging receiving device:
remarks
Average energy before placement: 88.4×892= 78852.8
Average energy after placement: 98.6x794= 78288.4
The masking efficiency for the movie mode is the percentage: (1-427.86/1185) ×100% =43.89%
In addition, the thickness of the permeation layer is 0.09 mm-0.50 mm, and the density is 3.91-5.0 g/cm 3 The film series products can also obtain similar using effects.
Knot 1
A soft light absorption flexible diaphragm material is arranged on an incident light path between an X-ray source and a measured sample, the average value 88.4KevX light brightness attenuation efficiency in table 1 is 43.89%, because X-rays are continuous spectrums, after the low energy part in the X-rays is attenuated, the spectrum of the X-rays after the diaphragm is narrowed, the light quantity of the high energy part and the low energy part is reduced, the dose of the measured sample plate which is directly irradiated is reduced, the effective light quantity proportion of the measured sample plate which can be transmitted is increased, and the spectrum and the light quantity are optimized by the soft light absorption flexible diaphragm material.
Example 2
Referring to fig. 1 and remarks thereof, a medical X-ray imaging system comprises an X-ray source, incident light, a sample to be tested, emergent light, imaging receiving equipment on the same optical axis, and a medical radiation protection blanket arranged on the emergent light path of the sample to be tested, wherein the medical radiation protection blanket is arranged on the emergent light path close to or closely contacted with the sample to be tested, directly covers the emergent light path to be tested facing the imaging receiving equipment, namely, the body of a patient participating in physical examination or a patient, and comprises a flexible decorative layer and a radial machine permeable layer which are closely combined, wherein the thickness of the medical radiation protection blanket is 0.1+/-0.01 mm, and the density of the medical radiation protection blanket is 3.8g/cm 3 The medical radiation protection blanket is in a complete regular shape without holes or open cracks, the size of the medical radiation protection blanket is 400mm multiplied by 600mm, the connection mode of the flexible decorative layer and the absorbent permeation layer is edge-locking stitching, the flexible decorative layer is flexible non-woven fabric serving as a double outer side surface, and the thickness of the flexible decorative layer is 0.15mm.
The packaging mode of the medical radiation protection blanket before use is a disposable packaging of ethylene oxide disinfection, a folding type is adopted, and an X-ray imaging image is 2-1;
the packaging mode of the medical radiation protection blanket before use is a disposable packaging mode of ethylene oxide disinfection, the medical radiation protection blanket is in a roll shape, a roll core is a hollow cylinder, the length of the roll core is 410mm, the diameter of the roll core is 20mm, the roll core is made of hollow memory sponge, and an X-ray imaging image of the roll core is 2-2;
after the medical ray protection blanket is removed, the X-ray imaging image is 2-3.
Meanwhile, relevant data are recorded in table 2 in the using process of the medical radiation protection blanket of the embodiment, and relevant equipment is a digital angiography system (DSA) of a first hospital affiliated to the university of chinese medical science, brands: PHILIPS, model: 722063159 and digital signal processor in the data acquisition device: t10009.
Remarks: the readings nSv/s are the metering rate, nSv are the accumulated dose; the average energy is the product of voltage and current.
The shielding efficiency of the sequence number 1 perspective mode is as follows: (1-13.5/54.0) ×100+=75.0%
The shielding efficiency of the serial number 2 film mode is as follows: (1-62.0/703.0) ×100+=91.2%
In addition, the thickness of the permeation layer is 0.09 mm-0.20 mm, and the density is 3.6-3.9 g/cm 3 The similar use effect can be obtained by the radiation protection blanket series products.
The nub 2a: the medical ray protection blanket on the emergent light path is used, imaging is clearer, lines of the folding package of the protection blanket are clearly visible, but a better packaging mode is a standard package with a rolled disposable disinfection, and the lines are no longer shown on a photo.
Nub 2b: the medical ray protection blanket on the emergent light path is used for filtering scattered light and secondary fluorescence generated in the process of penetrating a tested sample, reducing imaging noise, greatly weakening the quantity of emergent light, and better protecting people and environment around the X-ray emergent light path, wherein the effective shielding effect reaches 75% and 91.2%, and the medical ray protection blanket achieves the noise rejection protection function.
Detailed description 3
Referring to fig. 1 and remarks thereof, a medical X-ray imaging system comprises an X-ray source, incident light, a measured sample, emergent light and imaging receiving equipment on the same optical axis, and meanwhile comprises a soft light absorption flexible membrane material arranged on the incident light path of the measured sample as in facility example 1, and a medical radiation protection blanket arranged on the emergent light path of the measured sample as in embodiment 2, wherein the medical radiation protection blanket is packaged in a disposable package sterilized by ethylene oxide before use, is in a roll shape, is in a solid or hollow cylinder shape, is in a roll core length of 410mm, is in a diameter of 20mm, is in a hollow memory sponge shape, and is in an X-ray imaging figure 3. The imaging is clear.
Claims (14)
1. The medical X-ray imaging system comprises an X-ray source, incident light, a tested sample, emergent light and imaging receiving equipment on the same optical axis, and is characterized by further comprising a soft light absorption flexible membrane material arranged on the incident light path of the tested sample, or a medical ray protection blanket arranged on the emergent light path of the tested sample, or both the soft light absorption flexible membrane material arranged on the incident light path and the medical ray protection blanket arranged on the emergent light path of the tested sample.
2. The medical X-ray imaging system of claim 1, wherein the soft light absorbing flexible membrane material is disposed on the incident light path near or in close contact with the sample under test in the form of a velcro or a mat or an adhesive or a tape.
3. The medical X-ray imaging system according to claim 1, wherein the medical radiation protection blanket is arranged on an outgoing light path close to or in close contact with the sample to be measured in a manner of a magic buckle, a covering, a gluing or a binding tape.
4. The medical X-ray imaging system according to claim 2, wherein the soft light absorbing flexible membrane material comprises a flexible decorative layer and an absorbent permeation layer which are tightly combined, the thickness of the permeation layer is 0.09 mm-0.50 mm, and the density is 3.91-5.0 g/cm 3 。
5. The medical X-ray imaging system of claim 4, wherein the amount of X-ray incident light having an intensity of 10-50Kev after passing through the soft light absorbing flexible membrane material is smaller than the amount of incident light before the membrane material.
6. The medical X-ray imaging system of claim 4, wherein said soft light absorbing flexible membrane material is void-free or open-crack free, integral, regular or irregular in shape.
7. A medical X-ray imaging system according to claim 3, wherein the medical radiation protection blanket comprises a tightly combined flexible decorative layer and an absorbent permeation layer, the thickness of the permeation layer is 0.09 mm-0.20 mm, and the density is 3.6-3.9 g/cm 3 。
8. The medical X-ray imaging system of claim 7, wherein the amount of light scattered by the outgoing light after passing through the medical radiation blanket is reduced by more than 50%.
9. The medical X-ray imaging system of claim 7, wherein the medical radiation protection blanket is a perforated, partially fractured, regular or irregular shaped patch material.
10. The medical X-ray imaging system according to any one of claims 4 or 7, wherein the flexible decorative layer and the absorbent permeable layer are connected by one of hot pressing, gluing, and edge seaming.
11. The medical X-ray imaging system according to any one of claims 4 or 7, wherein the flexible decorative layer is a flexible nonwoven fabric, or leather, or woven fabric, or a rubber-plastic film material as a single outer side or double outer sides.
12. The medical X-ray imaging system of claim 1, wherein the packaging means before use of the soft light absorbing flexible film material is an ethylene oxide sterilized disposable package, the roll core is a solid or hollow cylinder, and the length of the roll core is greater than or equal to any side length of the film material.
13. The medical X-ray imaging system of claim 1, wherein the packaging means before use of the medical radiation protection blanket is an ethylene oxide sterilized disposable package, in the form of a roll, the roll core is a solid or hollow cylinder, and the length of the roll core is greater than or equal to any side length of the membrane material.
14. The medical X-ray imaging system according to any one of claims 12 or 13, wherein the core is a hollow or solid memory sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051432.XU CN219353940U (en) | 2023-01-10 | 2023-01-10 | Medical X-ray imaging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051432.XU CN219353940U (en) | 2023-01-10 | 2023-01-10 | Medical X-ray imaging system |
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| CN219353940U true CN219353940U (en) | 2023-07-18 |
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| CN202320051432.XU Active CN219353940U (en) | 2023-01-10 | 2023-01-10 | Medical X-ray imaging system |
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