CN217793359U - X-ray positioning paste - Google Patents
X-ray positioning paste Download PDFInfo
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- CN217793359U CN217793359U CN202121444137.8U CN202121444137U CN217793359U CN 217793359 U CN217793359 U CN 217793359U CN 202121444137 U CN202121444137 U CN 202121444137U CN 217793359 U CN217793359 U CN 217793359U
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- 239000002184 metal Substances 0.000 claims abstract description 220
- 229910052751 metal Inorganic materials 0.000 claims abstract description 220
- 239000011888 foil Substances 0.000 claims abstract description 74
- 229920006254 polymer film Polymers 0.000 claims abstract description 36
- 238000007650 screen-printing Methods 0.000 claims abstract description 17
- 241000562569 Riodinidae Species 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 157
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000003086 colorant Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Apparatus For Radiation Diagnosis (AREA)
Abstract
The embodiment of the specification provides an x-ray positioning sticker which comprises a rectangular positioning sticker body and a plurality of through holes formed in the rectangular positioning sticker body, wherein the through holes are arranged in a matrix; the rectangular positioning sticker body comprises rectangular release paper, a gum layer, a metal foil layer, a high polymer film layer and a silk-screen layer which are sequentially arranged; wherein: the metal foil layer comprises a plurality of metal grids and a plurality of metal marks, the plurality of metal grids are obtained by intersecting a plurality of longitudinal metal wires and a plurality of transverse metal wires, and each metal grid is internally provided with a through hole; the metal mark is used for marking the position of each through hole; the metal foil layer is used for developing under the X-ray and positioning each through hole; the silk screen printing layer comprises a plurality of color development grids and color development marks, the color development grids coincide with the metal grids, the color development marks coincide with the metal marks, and the silk screen printing layer can develop colors under non-x rays to position each through hole. The utility model discloses can improve the location precision, improve location efficiency.
Description
Technical Field
One or more embodiments of the present description relate to the field of location paste technology, and more particularly, to an x-ray location paste.
Background
Currently, medical personnel often need to locate the skin of the site requiring surgery prior to surgery. The existing positioning mode mostly adopts manual marking, and the mode has low efficiency and large error. Of course, there is also a positioning sticker, which is composed of two layers: a developing layer and a fixing layer. The developing layer can display the grid marks in the developing condition, but the grid marks cannot be displayed in the non-developing condition, so that a worker is required to determine the rows and the columns where the target positions are located under the developing condition, and then the target positions are determined according to the rows and the columns under the non-developing condition.
SUMMERY OF THE UTILITY MODEL
One or more embodiments of the present disclosure describe an x-ray positioning patch, which can improve positioning accuracy and positioning efficiency.
The utility model provides an x-ray positioning paste, which comprises a rectangular positioning paste body and a plurality of through holes arranged on the rectangular positioning paste body, wherein the through holes are arranged in a matrix; the rectangular positioning sticker body comprises rectangular release paper, a gum layer, a metal foil layer, a high polymer film layer and a silk-screen layer which are sequentially arranged; wherein:
the metal foil layer comprises a plurality of metal grids and a plurality of metal marks, the metal grids are obtained by intersecting a plurality of longitudinal metal wires and a plurality of transverse metal wires, and each metal grid is internally provided with one through hole; the metal mark is used for marking the position of each through hole; the metal foil layer is used for developing under an x-ray and positioning each through hole;
the silk screen printing layer comprises a plurality of color development grids and color development marks, the color development grids are overlapped with the metal grids, the color development marks are overlapped with the metal marks, the silk screen printing layer can develop colors under non-x rays, and each through hole is located.
The utility model provides an X ray location subsides, X ray location subsides include rectangle location subsides body and through-hole, and rectangle location subsides body includes rectangle release paper, gum layer, metal foil layer, polymer film layer and silk screen printing layer, when using the location subsides, tear rectangle release paper and can, it can be seen that rectangle release paper plays the effect of protection before using; the gum layer can paste the polymer film layer that carries metal foil layer and silk screen printing layer on skin etc, the metal foil membrane layer includes metal mesh and metal identification, metal mesh and metal identification can develop images under the x ray, in order to distinguish each metal mesh and metal identification by naked eye under non-x ray, the silk screen printing layer the same with metal foil layer and coincidence has been set up, the medical personnel of being convenient for like this can pass the through-hole that corresponds under non-x ray according to the metal identification of confirming under the x ray and mark, can be very accurate go on the preoperative location, improve the precision of location. And the use of the X-ray positioning paste is very simple, the rapid positioning can be realized, and the positioning efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present specification, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1a is a schematic representation of the various layers in an x-ray location sticker in one embodiment of the present description;
FIG. 1b is a schematic representation of the various layers in an x-ray location sticker in one embodiment of the present description;
FIG. 2a is a schematic layout of a screen printed layer and first vias in one embodiment of the present disclosure;
fig. 2b is a layout diagram of a silk-screen layer, a first through hole and a second through hole in one embodiment of the present disclosure.
Reference numerals: 1-rectangular release paper; 2-a back glue layer; 3-a first metal foil layer; 4-a polymer film layer; 5-second metal foil layer.
Detailed Description
The scheme provided by the specification is described in the following with reference to the attached drawings.
The embodiment of the utility model provides an X-ray positioning paste, which comprises a rectangular positioning paste body and a plurality of through holes arranged on the rectangular positioning paste body, wherein the through holes are arranged in a matrix; as shown in fig. 1a, the rectangular positioning patch body comprises a rectangular release paper 1, a back glue layer 2, a metal foil layer 3, a polymer film layer 4 and a silk-screen layer which are sequentially arranged; wherein:
the metal foil layer 3 comprises a plurality of metal grids and a plurality of metal marks, the plurality of metal grids are obtained by intersecting a plurality of longitudinal metal wires and a plurality of transverse metal wires, and each metal grid is internally provided with one through hole; the metal mark is used for marking the position of each through hole; the metal foil layer 3 is used for imaging under x-ray and positioning each through hole;
as shown in fig. 2a, the silk screen layer includes a plurality of color development grids and color development marks, the color development grids coincide with the metal grids, the color development marks coincide with the metal marks, and the silk screen layer can develop color under non-x-ray, and position each through hole.
It can be understood that, since the metal foil layer includes a plurality of metal grids cut by intersecting the transverse metal wires and the longitudinal metal wires, the metal grids are distributed in an array, and thus the metal grids are rectangular grids, for example, square grids. If the through holes are circular, through holes with larger diameters can be formed in the square grids compared with the rectangular grids. Because the metal grid is made of metal materials, the metal grid can be observed under x-rays.
It can be understood that the through holes in each metal grid are marked by metal marks, so that the through holes can be distinguished, and the metal marks corresponding to the through holes can be observed under x-ray because the metal marks are also made of metal materials.
Understandably, the metal foil layer is arranged below the polymer film layer, and the silk screen printing layer is arranged above the polymer film layer. The reason for setting the silk screen layer is as follows: the polymer film layer is possibly made of transparent materials and possibly made of non-transparent materials, when the polymer film layer is made of the non-transparent materials, the metal foil layer positioned below the polymer film layer is covered, and each metal grid and each metal mark cannot be observed by naked eyes under non-x rays. In order to observe each metal grid and each metal mark under non-x-ray, a silk-screen layer which is the same as and overlapped with the thin metal layer is arranged, so that the metal grids and the metal marks can be known through the silk-screen layer under the non-x-ray.
It can be understood that the polymer film layer is a carrier of each layer such as a back adhesive layer, a metal foil layer, a silk-screen printing layer and the like except for the rectangular release paper. The rectangle is from type paper back, and the silk screen printing layer is openly, needs to tear the rectangle when using from type paper. After the rectangular release paper is torn off, the gum layer, the metal foil layer, the silk-screen layer and other layers are all arranged on the polymer film, and the polymer film layer carrying each layer is pasted on the skin surface of the part needing to be operated. When the skin of the part is irradiated by X-ray, the metal foil can be developed under the X-ray, so that the metal grid and the metal mark can be seen under the X-ray, medical staff can find the position which is most suitable for the entry of the operation in the development image under the X-ray, the metal mark corresponding to the position is determined, then a medical marking pen is used for penetrating through the through hole to make a corresponding mark on the skin, and finally the high polymer film layer carrying each layer is torn off to start the operation.
It can be understood that when medical staff mark the skin through the through hole by a medical marking pen, the marking is not carried out under the x-ray, so a silk-screen layer is needed, the shape, the position, the layout and the size of the silk-screen layer and the metal foil layer are the same, but the silk-screen layer and the metal foil layer are made of different materials, the metal foil layer is developed under the x-ray, and the metal mark at the position can be conveniently determined when the medical staff find the position suitable for the operation under the x-ray. Because the metal foil layer is not visible to naked eyes under non-x-ray, for example, the polymer film layer is not transparent, and because the metal foil layer is located below the polymer film layer, the metal foil layer is not visible under non-x-ray, the skin needs to be marked according to the previously determined metal mark and the position of each through hole marked on the silk-screen layer.
The X-ray positioning paste is pasted on the skin, and the development, particularly the metal grid and the metal mark can be seen under the X-ray.
It will be appreciated that the purpose of the through-hole is to facilitate location marking on the skin by medical personnel prior to surgery. The polymeric film layer carrying the layers needs to be torn off after marking, otherwise there may be a risk that the substance or debris on the site may enter the biological tissue during surgery.
It will be appreciated that the x-ray positioning patch may be applied directly to the skin, or may be applied to some material already applied to the surgical site, such as a surgical drape.
Understandably, because all adopt the x-ray in x-ray, the CT detects the scene, consequently the utility model provides an x-ray location subsides can be applied to in two kinds of scenes above.
Wherein, the polymer film layer can not display under the X-ray photography, so as to avoid the interference to the display of the metal foil layer. The polymer film layer can be made of PVC (polyvinyl chloride), PE (polyethylene), polyimide, polyester materials and the like, and the thickness can be set according to needs, for example, the thickness is set within the range of 0.08 mm-0.5 mm.
Wherein, the back glue layer is used for sticking the polymer film layer loaded with the metal foil, the silk screen printing layer and the like on the skin or the surgical towel. The back adhesive can adopt medical back adhesive which accords with biocompatibility, and the thickness can be set according to needs, for example, the thickness is in the range of 0.05 mm-0.2 mm.
The metal foil layer can be made of lead, copper, iron, stainless steel, alloy, gold and other metal materials which can be developed under X-ray, and the thickness can be set according to the requirement, for example, the thickness is in the range of 0.035 mm-0.5 mm.
The number of the metal grids in the metal foil layer can be determined according to the size of the positioning paste, for example, the metal grids can have 3-30 rows and 3-30 columns. Because the utility model discloses in adopt the rectangle from type paper, for example adopt the square rectangle from type paper, like this, the line number and the column number of metal mesh can be the same.
The silk-screen layer can be made of pigments capable of developing colors such as certain paint and printing ink.
When the concrete implementation, in order to facilitate tearing off the rectangle from the type paper, can be provided with on the rectangle from the type paper and easily tear the mouth. For example, can tear the rectangle from type paper is very convenient through this easy tear mouth of type paper.
In a specific implementation, the metal mark may include a longitudinal metal mark and a transverse metal mark of each metal grid, where the transverse metal mark is different from the longitudinal metal mark in type, and the type includes numbers, letters, characters, and/or image symbols.
That is to say, set up vertical metal sign and horizontal metal sign, in order to make things convenient for to distinguish horizontal metal sign and vertical metal sign, horizontal metal sign and vertical metal sign adopt different types. The types comprise in particular numbers, letters, words and/or pictorial symbols. Wherein, the number can include Arabic numerals (1, 2, 3 \8230;), chinese numerals (one, two, three \8230;), roman numerals, etc., and the letters can include capital letters, lowercase letters, etc.
For example, in fig. 2a, the horizontal metal is identified as capital english letters: A. b, C, D and E, the vertical metal mark is Arabic numerals 1-15.
In addition, in order to ensure clear resolution under x-rays, the metal marker cannot be too small, and for example, the height of the metal marker may be set in the range of 3mm to 9 mm.
In specific implementation, the widths of the transverse metal lines and the longitudinal metal lines can be the same, and the widths can be set according to requirements. In order to ensure clear resolution under x-rays, the width cannot be large, and for example, the width may be set in the range of 0.3mm to 1.2 mm.
In practical applications, if the metal foil layer is thinner, the developing effect under x-ray is not good, and in order to improve the developing effect of the metal grid and the metal mark under x-ray and to make the identification more clear, as shown in fig. 1b, another metal foil layer may be further disposed. In order to distinguish between the two metal foil layers, the metal foil layer mentioned above may be referred to as a first metal foil layer, such that the metal mesh in the first metal foil layer is a first metal mesh and the metal mark in the first metal foil layer is a first metal mark. A second metal foil layer 5 is provided on top of the polymer film layer. That is to say, the rectangular positioning sticker body can further comprise a second metal foil layer 5 arranged between the polymer film layer and the silk-screen layer, the second metal foil layer 5 comprises a second metal mesh and a second metal mark, the second metal mesh is the same as and coincides with the first metal mesh, and the second metal mark is the same as and coincides with the first metal mark.
That is to say, the position, shape, size and layout of the second metal foil layer are the same as those of the first metal foil layer, and the second metal foil layer is different from the first metal foil layer in the arrangement position, wherein the first metal foil layer is arranged below the polymer film layer, and the second metal foil layer is arranged above the polymer film layer.
Because two metal foil layers are arranged, the thickness of the metal foil layers is greatly increased, the developing effect of the metal foil layers under the X-ray can be greatly improved, and each metal grid and each metal mark can be clearly identified.
In a specific implementation, in order to further position the through holes, the metal foil layer may further include cross metal wires disposed in each metal mesh, and an intersection point of extension lines of the cross metal wires is a center of the corresponding through hole.
As shown in fig. 2a, the crisscross metal lines are actually four metal lines, each line leading from the midpoint of one side of the metal mesh to the through hole, the extension lines of the two metal lines on the opposite side are coincident, the extension lines of the two metal lines on the side are intersected perpendicularly, and the perpendicular intersection point is located at the center of the through hole. Therefore, the center of the through hole can be determined according to the intersection point of the extension lines of the cross metal wires in practice, so that the center of the through hole can be positioned, and the through hole can be accurately marked.
Wherein, the width of the cross metal wire can be slightly less than the width of the longitudinal metal wire and the transverse metal wire of the metal grid.
In practice it may happen that the locations where marking on the skin is required are not present in the through holes but in other areas than the through holes, and in order to reduce this, the coverage of the through holes needs to be further increased, so that more through holes can be provided. For the sake of distinction from the above-mentioned through holes, the through holes are referred to herein as first through holes, and it can be seen from fig. 2a that the sizes of the respective first through holes are the same. As shown in fig. 2b, the metal foil layer may further include a plurality of second through holes having a size smaller than that of the first through holes, and a center of the second through holes is located at an intersection of the longitudinal metal lines and the transverse metal lines.
Understandably, the size of second through-hole is less, and if set up the metal sign that the second through-hole corresponds between two adjacent metal signs of first through-hole, the metal sign's of second through-hole size can be less, so the video presentation effect under the x ray is not good, so the utility model discloses in do not set up corresponding metal sign to the second through-hole, but adopt the metal sign of first through-hole to sign and fix a position the second through-hole, for example in fig. 2B, adopt horizontal metal sign A and B to represent the second through-hole that lies in between two corresponding first through-holes, adopt vertical metal sign 1 and 2 to represent the second through-hole between two corresponding lines of first through-holes.
In specific implementation, the sizes of the metal mesh, the first through hole and the second through hole may be set as required, for example, the size of the metal mesh may be 10mmX 10mm, in this case, the diameter of the first through hole may be in a range of 3mm to 8mm, and the diameter of the second through hole may be in a range of 2mm to 6 mm.
In specific implementation, the thickness of each layer may be set as required, for example, the thickness of the back adhesive may be in a range of 0.05mm to 0.2mm, the thickness of the polymer film may be in a range of 0.08mm to 0.5mm, and the thickness of the metal foil layer may be in a range of 0.035mm to 0.5 mm.
In practice, the metal foil layer is processed in various ways, for example, by a forging method, an electrolytic method, or an etching method. The metal foil layer and the polymer film layer can be fixed in an adhesion or hot pressing mode, and when the metal foil layer and the polymer film layer are fixed in the adhesion mode, an acrylic adhesive can be used as the adhesive. That is, in this case, the rectangular positioning patch body may further include an adhesive layer disposed between the metal foil layer and the polymer film layer, the adhesive layer being for bonding the metal foil layer and the polymer film layer.
In specific implementation, the processing technology of the x-ray positioning paste can also use the processing technology of the flexible PCB.
It can be understood that the x-ray positioning patch provided by the utility model can be applied to human bodies and animal bodies, and can be used for preoperative positioning of non-open operations, such as puncture, biopsy, endoscopic operation, spine and lumbar disc operation, and the application range is very wide.
The utility model provides an X ray location subsides, X ray location subsides include rectangle location subsides body and through-hole, and rectangle location subsides body includes rectangle release paper, gum layer, metal foil layer, polymer film layer and silk screen printing layer, when using the location subsides, tear rectangle release paper and can, it can be seen that rectangle release paper plays the effect of protection before using; the gum layer can paste the polymer film layer that carries metal foil layer and silk screen printing layer on skin etc. and the metal foil membrane layer includes metal mesh and metal identification, metal mesh and metal identification can develop images under the x ray, in order to distinguish each metal mesh and metal identification by naked eye under non-x ray, the silk screen printing layer the same with metal foil layer and coincidence has been set up, the medical personnel of being convenient for like this can pass the through-hole that corresponds under non-x ray according to the metal identification of confirming under the x ray and mark, can be very accurate carry out the preoperative location, improve the precision of location. And the use of the X-ray positioning paste is very simple, the quick positioning can be realized, and the positioning efficiency is improved.
The above-mentioned embodiments further describe the objects, technical solutions and advantageous effects of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent replacements, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.
Claims (10)
1. An x-ray positioning sticker is characterized by comprising a rectangular positioning sticker body and a plurality of through holes formed in the rectangular positioning sticker body, wherein the through holes are arranged in a matrix; the rectangular positioning sticker body comprises rectangular release paper, a gum layer, a metal foil layer, a high polymer film layer and a silk-screen layer which are sequentially arranged; wherein:
the metal foil layer comprises a plurality of metal grids and a plurality of metal marks, the metal grids are obtained by intersecting a plurality of longitudinal metal wires and a plurality of transverse metal wires, and each metal grid is internally provided with one through hole; the metal mark is used for marking the position of each through hole; the metal foil layer is used for developing under an x-ray and positioning each through hole;
the silk screen printing layer comprises a plurality of color development grids and color development marks, the color development grids are overlapped with the metal grids, the color development marks are overlapped with the metal marks, the silk screen printing layer can develop color under non-x rays, and each through hole is located.
2. The x-ray positioning sticker of claim 1, wherein a release paper easy-to-tear opening is arranged on the rectangular release paper.
3. The x-ray positioning sticker of claim 1, wherein the metal mark comprises a longitudinal metal mark and a transverse metal mark of each metal grid, the transverse metal mark and the longitudinal metal mark are of different types, and the types comprise numbers, letters, characters and/or image symbols.
4. The x-ray positioning sticker of claim 1, wherein the width of the transverse metal wire and the width of the longitudinal metal wire are the same, and the width is in the range of 0.3mm to 1.2 mm.
5. The x-ray location sticker of claim 1, wherein the metal foil layer is a first metal foil layer, the metal mesh is a first metal mesh, and the metal identifier is a first metal identifier; the rectangle location subsides body is still including setting up second metal foil layer between polymer film layer and the silk screen printing layer, second metal foil layer includes second metal mesh and second metal sign, the second metal mesh with first metal mesh is the same and the coincidence, the second metal sign with first metal sign is the same and the coincidence.
6. The x-ray positioning sticker of claim 1 or 5, wherein the metal foil layer further comprises cross metal wires arranged in each metal grid, and the intersection point of the extension lines of the cross metal wires is the center of the corresponding through hole.
7. The x-ray location sticker of claim 1, wherein the through hole is a first through hole, the metal foil layer further comprises a plurality of second through holes, the size of the second through holes is smaller than that of the first through holes, and the center of the second through holes is located at the intersection point of the longitudinal metal line and the transverse metal line.
8. The x-ray positioning sticker of claim 7, wherein the size of the metal mesh is 10mmX 10mm, the diameter of the first through hole is in the range of 3mm to 8mm, and the diameter of the second through hole is in the range of 2mm to 6 mm.
9. The x-ray positioning sticker as claimed in claim 1, wherein the thickness of the back adhesive is in the range of 0.05mm to 0.2mm, the thickness of the polymer film is in the range of 0.08mm to 0.5mm, and the thickness of the metal foil layer is in the range of 0.035mm to 0.5 mm.
10. The x-ray positioning sticker of claim 1, wherein the rectangular positioning sticker body further comprises an adhesive layer arranged between the metal foil layer and the polymer film layer, and the adhesive layer is used for bonding the metal foil layer and the polymer film layer.
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| CN202121444137.8U CN217793359U (en) | 2021-06-28 | 2021-06-28 | X-ray positioning paste |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113288457A (en) * | 2021-06-28 | 2021-08-24 | 埃客(上海)医用设备有限公司 | X-ray positioning paste |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113288457A (en) * | 2021-06-28 | 2021-08-24 | 埃客(上海)医用设备有限公司 | X-ray positioning paste |
| CN113288457B (en) * | 2021-06-28 | 2025-07-29 | 埃客(上海)医用设备有限公司 | X-ray positioning paste |
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