CN102198771A - Medical single reflection film and preparation method thereof - Google Patents
Medical single reflection film and preparation method thereof Download PDFInfo
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- CN102198771A CN102198771A CN 201010594381 CN201010594381A CN102198771A CN 102198771 A CN102198771 A CN 102198771A CN 201010594381 CN201010594381 CN 201010594381 CN 201010594381 A CN201010594381 A CN 201010594381A CN 102198771 A CN102198771 A CN 102198771A
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Abstract
The invention discloses a medical single reflection film and preparation method thereof. The film contains a film base, the front of which is equipped with a blotting coating and the back of which is provided with a single reflection layer, on the external surface of which an antistatic coating is installed. The film of the invention has the advantages that: it can enhance the print sharpness and grey scale, with long storage time and convenient preservation; the single reflection layer installed in the film allows the film to be placed on a table or in the hands when it is seen from the front, and the light source is on the front of the film so that weak light from the back side of the film can be blocked by the single reflection layer, so the film looks like a paper. However, if the film is put on a film viewer which is higher than the film front in terms of brightness, light from the back can penetrate the single reflection layer, thus making the film present a transparent stereo effect that is almost the same as traditional films and convenient for doctors used to see transparent films. Therefore, the film of the invention has an enlarged range of application and is helpful for doctors to diagnose the conditions of patients more accurately.
Description
Technical field
The present invention relates to a kind of medical film and preparation method thereof, is a kind of medical single reflection film and preparation method thereof specifically.
Background technology
The use of medical film has had the history in more than 100 year, film originally is called salt elargol sheet, film at that time is by x-ray imaging, X ray passes human body imaging on film then, and then by developing and photographic fixing imaging then, price neither be very high, and the price of every film is about 4.5 yuans, and domestic a lot of producers also produce.But because in the mid-90 in last century, external big producer has formulated digital medical image technology standard, it is the DICOM picture and text standard under the PACS system, X ray passes behind the human body no longer to film imaging, but by IP plate (CR), data flat board (DR, DSA), collector (CT) is collected, via computer image is flowed to the dry type camera then, by the dry type camera imaging, need to be about to the view data input medical dry laser camera of imaging, camera laser scanning film then, imaging on film, form final products, film by this mode work is called as the DVB film, and this technology has been used more than ten years, and this technology still is the sensitization technology in fact, or salt elargol sheet, but because the bottleneck of PACS system has been arranged, the producer of our China is out one after another, and new medical DVB film has been monopolized by big factory of external several families.They are respectively Kodak, Fuji, Konica.Also having a producer in addition is exactly the Ai Kefa of Germany, the film of Ai Kefa is not the photographic film of salt silver, what they used is the heat sublimation technology, because they have also grasped the standard of PACS system, so they have also become one of four large manufacturers of domestic monopolization film.Since domestic producer such as Lekai and so on all by shelves outside the competitive scope of digitlization DVB film, so these famous brand producers price do very high, the price of every film has increased to about 22 yuan by 4.5 yuan, the film that China is annual more than 600,000,000 wherein has more than 500,000,000 to be carved up by these external producers.This situation has continued more than ten years so far!
Domestic very early in fact just someone wants to break through this bottleneck, go to break of the monopolization of external big factory to domestic film industry, but all get nowhere, it at first is the transfer problem of software information, DICOM graphics standard under the PACS be different from the general computer system such as BMP, JPG, the universal standards such as PDF, domestic producer can't come out these image transitions at all, so at first, they just come the cut-away view picture by the mode of screenshotss, be that they can't obtain or say and can't change out original distortionless image information, so they just intercept out the image information that shows on the display with other software, screenshotss getable image information be that very big loss of data is arranged, definition declines to a great extent, and can't reach the medical diagnosis standard at all; So product at that time is scarcely successful, from the image source, just failed.Next by about 2006, along with we a lot of returned student engineer's arrival, our domestic switching software that has also had the DICOM image information stream under the PACS has just had the prerequisite that breaks through this blockade this time, and promptly we have had the figure source.But it is how intact these images, break-even printing, will do you also satisfy the necessary definition effect of medical diagnosis film and fast light heat-resisting moisture-proof and anti-retention simultaneously? what at first expect is exactly laser printing technology, because laser printing technology is the printing technique of at present main flow, its speed is fast, the image definition height, and also the material of imaging is an ink powder, the chemical stability of ink powder is very good, and the holding time is also very long.Data at that time are that the laser machine of main flow can print the image of 2400 * 2400DPI! The concrete implication of this numerical value is, per square inch, promptly on 2.54 * 2.54 square centimeters the area, one has 2400 * 2400 some composition diagram pictures, this is a surprising numerical value, because human eyes can only reach about 300 * 300DPI to the resolution capability of image definition, high again, the human basic resolution of eyes is not come out, but the bottleneck of laser machine slowly manifested to come out: at first, the fine definition of laser machine is based upon on the colored basis, and colored unit have 7 looks, so can mix out abundant image information so, and the image of our medical film all is black and white mostly, that is to say that the pictorial element of our medical film has only two, black and white, and paper itself is white, the ink powder that can remove to regulate image has only a kind of, and that is exactly black powder, singly can't print high-quality black white image with a kind of black powder at all.The definition of black white image is different with the resolution standard of coloured image, how many looks what the resolution standard of coloured image was used is, generally be 256 looks or 24 RGBs, and the standard of black white image is a shade of gray, also be called shade of gray, so-called shade of gray promptly is to print function being divided into what steps from black altogether to pure white image, be exactly what GTGs, GTG is represented with several powers of 2, shade of gray such as general printer prints black white image all is 8 GTGs, and promptly he can be printing off 256 different levels from black to game of shuttlecocks.And our human eye is very high for the resolution ratio of GTG, trained people's naked eyes to the high energy of the resolution capability of GTG near 16, and the general shade of gray that uses of medical film all is 12, that is to say, the standard of medical film is that handle is from deceiving to being divided into 4096 levels in vain.But laser printer is said the film that prints the not in place of a lot of details performances arranged, mainly be embodied in following several situations: first, the lung window picture of CT, lung's lung marking of the inside is made up of the equally thin white partially microgroove of a lot of hairs, if the texture chap of lung, represent that then there has been inflammation in lung, even and the film normal person's that our laser machine is printed lung marking seems all can feel a bit thick; The second, the rabat of DR, reason is the same, also is to seem that lung marking is thicker; The 3rd, the malignant tumour probability that lung assembles is distinguished, the patient that lung assembles is a lot, but judge when this assembly is malignant tumour, be whether the periphery of observing this assembly has some carefully as the radial blood vessel of hair, if having, these invasive blood vessels are indicating that this assembly is likely a malignant tumour so, but in the laser technology printing film that uses us, these details just are difficult to find out; The 4th, bone trabecular pathology, bone trabecular pathology also are very trickle, and some variations on weight and image texture can make the doctor judge the approximate state of the state of an illness, and when still printing by our laser machine, these details are not seen yet.Therefore also there is defective in laser printing technology on medical film is printed.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the objective of the invention is for a kind of medical single reflection film and preparation method thereof is provided, this film can be used as transparent film or papery film, can make the doctor more can accurately diagnose out conditions of patients, can also improve and print definition and shade of gray, the holding time is long, preservation is convenient, with low cost.
Technical scheme: for realizing above-mentioned technical problem, the technical solution used in the present invention is: a kind of medical single reflection film, comprise the sheet base, on the front of sheet base, be provided with ink-absorbed coated layer, be provided with single reflecting horizon, be provided with anti-static coating in the outside of single reflecting horizon at reverse side.
Described single reflecting horizon is single saturating pad pasting.
The thickness of described base is 2-5 μ m.
The thickness of described anti-static coating is 1-2 μ m.
The thickness of described ink-absorbed coated layer is 1-2 μ m.
Described ink-absorbed coated layer is mainly made by the raw material of following parts by weight: nanometer gama-alumina hydrate 5-15 part, ethene-vinyl acetate copolymer emulsion 50-60 part, benzene emulsion 3-10 part.
A kind of preparation method of medical single reflection film comprises the steps:
1) select for use PET or PVC material to make the sheet base;
2) prepare ink-absorbed coated layer liquid: nanometer gama-alumina hydrate 5-15 part, ethene-vinyl acetate copolymer emulsion 50-60 part, benzene emulsion 3-10 part are mixed promptly obtain described ink-absorbed coated layer liquid;
3) described ink-absorbed coated layer liquid is sprayed on the one side of described base, the THICKNESS CONTROL of coating is at 1-2 μ m;
4) stick single saturating pad pasting earlier on the another side of described base, antistatic liquid forms anti-static coating in the spraying of the outside of single saturating pad pasting then, promptly obtains described medical single reflection film.
Beneficial effect: compared with prior art, advantage of the present invention is: can improve and print definition and shade of gray, the holding time is long, preservation is convenient; Be provided with single reflecting horizon in the film of the present invention, it is placed on desk when this film front is seen or takes, light source is in the front of film, then single reflecting horizon can block the low light level from the film back side, make film look like the effect of a piece of paper, if but film is inserted on the viewbox, because the brightness of viewbox is higher than the film front face brightness, then single reflecting horizon can be come back side light penetration, make film seem to present transparent stereoeffect, about the same with conventional film, the doctor that can conveniently get used to transparent film like this uses, thereby enlarged the scope of application, can also make the doctor more can accurately diagnose out conditions of patients.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is done further explanation.
As shown in drawings, a kind of medical single reflection film of the present invention comprises sheet base 1, is provided with ink-absorbed coated layer 2 on the front of sheet base 1, is provided with single reflecting horizon 3 at reverse side, is provided with anti-static coating 4 in the outside of single reflecting horizon 3.Described single reflecting horizon 3 is single saturating pad pasting.The thickness of described base 1 is 2-5 μ m.The thickness of described anti-static coating 4 is 1-2 μ m.The thickness of described ink-absorbed coated layer 2 is 1-2 μ m.Wherein the notion of single reflecting horizon 3 is that the light of the strong one side of light can pass medium, if and a little less than the light at the back side, then that part of light penetration is medium only, resulting effect is exactly, this film front is placed on desk when seeing or takes, light source is in the front of film, then single reflecting horizon 3 can block the low light level from the film back side, make film look like the effect of a piece of paper, if but film is inserted on the viewbox, because the brightness of viewbox is higher than the film front face brightness, then single reflecting horizon 3 can be come back side light penetration, make film seem to present transparent stereoeffect, about the same with conventional film.
Embodiment 1: a kind of preparation method of medical single reflection film comprises the steps:
1) select for use PET or PVC material to make sheet base 1;
2) prepare ink-absorbed coated layer liquid: nanometer gama-alumina hydrate 5 weight portions, ethene-vinyl acetate copolymer emulsion 50 weight portions, benzene emulsion 10 weight portions are mixed promptly obtain described ink-absorbed coated layer liquid;
3) described ink-absorbed coated layer liquid is sprayed on the one side (being the front of sheet base 1) of described base 1, the THICKNESS CONTROL of coating is at 1-2 μ m;
4) stick single saturating pad pasting earlier on the another side (being the back side of sheet base 1) of described base 1, antistatic liquid forms anti-static coating 4 in the spraying of the outside of single saturating pad pasting then, promptly obtains described medical single reflection film.
Embodiment 2: substantially the same manner as Example 1, different is the prescription of ink-absorbed coated layer 2: nanometer gama-alumina hydrate 15 weight portions, ethene-vinyl acetate copolymer emulsion 55 weight portions, benzene emulsion 3 weight portions.
Embodiment 3: substantially the same manner as Example 1, different is the prescription of ink-absorbed coated layer 2: nanometer gama-alumina hydrate 10 weight portions, ethene-vinyl acetate copolymer emulsion 60 weight portions, benzene emulsion 6 weight portions.
Embodiment 4: substantially the same manner as Example 1, different is the prescription of ink-absorbed coated layer 2: nanometer gama-alumina hydrate 8 weight portions, ethene-vinyl acetate copolymer emulsion 58 weight portions, benzene emulsion 8 weight portions.
The above only is a preferred implementation of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a medical single reflection film is characterized in that: comprise sheet base (1), be provided with ink-absorbed coated layer (2) on the front of sheet base (1), be provided with single reflecting horizon (3) overleaf, be provided with anti-static coating (4) in the outside of single reflecting horizon (3).
2. a kind of medical single reflection film according to claim 1 is characterized in that: described single reflecting horizon (3) is single saturating pad pasting.
3. a kind of medical single reflection film according to claim 1 is characterized in that: the thickness of described base (1) is 2-5 μ m.
4. according to the described a kind of medical single reflection film of claim, it is characterized in that: the thickness of described anti-static coating (4) is 1-2 μ m.
5. a kind of medical single reflection film according to claim 1 is characterized in that: the thickness of described ink-absorbed coated layer (2) is 1-2 μ m.
6. a kind of medical single reflection film according to claim 1 is characterized in that: described ink-absorbed coated layer (2) is mainly made by the raw material of following parts by weight: nanometer gama-alumina hydrate 5-15 part, ethene-vinyl acetate copolymer emulsion 50-60 part, benzene emulsion 3-10 part.
7. according to the preparation method of each described a kind of medical single reflection film in the claim 1 to 6, it is characterized in that: comprise the steps:
1) select for use PET or PVC material to make sheet base (1);
2) prepare ink-absorbed coated layer liquid: nanometer gama-alumina hydrate 5-15 part, ethene-vinyl acetate copolymer emulsion 50-60 part, benzene emulsion 3-10 part are mixed promptly obtain described ink-absorbed coated layer liquid;
3) described ink-absorbed coated layer liquid is sprayed on the one side of described base (1) and promptly forms ink-absorbed coated layer (2), the THICKNESS CONTROL of coating is at 1-2 μ m;
4) stick single saturating pad pasting earlier on the another side of described base (1) and form single reflecting horizon (3), antistatic liquid forms anti-static coating (4) in the spraying of the outside of single saturating pad pasting then, promptly obtains described medical single reflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010594381.2A CN102198771B (en) | 2010-12-17 | 2010-12-17 | Medical single reflection film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010594381.2A CN102198771B (en) | 2010-12-17 | 2010-12-17 | Medical single reflection film and preparation method thereof |
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| CN102198771A true CN102198771A (en) | 2011-09-28 |
| CN102198771B CN102198771B (en) | 2014-04-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627322A (en) * | 2012-08-21 | 2014-03-12 | 天津市瑞擎影像材料有限公司 | Ink powder bonding layer used for laser printing |
| CN103625143A (en) * | 2013-12-02 | 2014-03-12 | 江苏耐斯数码科技股份有限公司 | Medical laser printing film |
| CN105437813A (en) * | 2014-09-28 | 2016-03-30 | 杭州健培科技有限公司 | Laser medical film and preparation method thereof |
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| CN1394170A (en) * | 2000-10-24 | 2003-01-29 | 三菱制纸株式会社 | Recording material for ink-jet |
| CN2713514Y (en) * | 2004-06-15 | 2005-07-27 | 苏州工业园区斯达打印材料有限公司 | Transparent ink jet printing film |
| CN201075271Y (en) * | 2007-07-19 | 2008-06-18 | 李晓军 | Advertising lamp box for switching picture day and night |
| CN201659753U (en) * | 2010-02-03 | 2010-12-01 | 蔡信东 | Medical image output system based on ink jet printing system |
| CN201945797U (en) * | 2010-12-17 | 2011-08-24 | 陆扬 | Medical single reflection film |
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2010
- 2010-12-17 CN CN201010594381.2A patent/CN102198771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394170A (en) * | 2000-10-24 | 2003-01-29 | 三菱制纸株式会社 | Recording material for ink-jet |
| CN2713514Y (en) * | 2004-06-15 | 2005-07-27 | 苏州工业园区斯达打印材料有限公司 | Transparent ink jet printing film |
| CN201075271Y (en) * | 2007-07-19 | 2008-06-18 | 李晓军 | Advertising lamp box for switching picture day and night |
| CN201659753U (en) * | 2010-02-03 | 2010-12-01 | 蔡信东 | Medical image output system based on ink jet printing system |
| CN201945797U (en) * | 2010-12-17 | 2011-08-24 | 陆扬 | Medical single reflection film |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627322A (en) * | 2012-08-21 | 2014-03-12 | 天津市瑞擎影像材料有限公司 | Ink powder bonding layer used for laser printing |
| CN103627322B (en) * | 2012-08-21 | 2016-06-22 | 天津市瑞擎影像材料有限公司 | Powdered ink tack coat for laser printing |
| CN103625143A (en) * | 2013-12-02 | 2014-03-12 | 江苏耐斯数码科技股份有限公司 | Medical laser printing film |
| CN103625143B (en) * | 2013-12-02 | 2016-02-24 | 江苏耐斯数码科技股份有限公司 | Medical laser printing film |
| CN105437813A (en) * | 2014-09-28 | 2016-03-30 | 杭州健培科技有限公司 | Laser medical film and preparation method thereof |
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| Publication number | Publication date |
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| CN102198771B (en) | 2014-04-09 |
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