CN212160147U - Collimator and protection tube thereof - Google Patents
Collimator and protection tube thereof Download PDFInfo
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- CN212160147U CN212160147U CN202020280857.4U CN202020280857U CN212160147U CN 212160147 U CN212160147 U CN 212160147U CN 202020280857 U CN202020280857 U CN 202020280857U CN 212160147 U CN212160147 U CN 212160147U
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- blind hole
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- collimator
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- side wall
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- 230000001681 protective effect Effects 0.000 claims description 19
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000013307 optical fiber Substances 0.000 abstract description 7
- 239000002184 metal Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 238000012014 optical coherence tomography Methods 0.000 description 5
- 241000270295 Serpentes Species 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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Abstract
The utility model discloses a collimator, including protection tube, moment of torsion cable, tail optical fiber, self-focusing lens and light-emitting prism. The protection tube is provided with a first blind hole and a second blind hole on the cylindrical side wall along the direction of the extension of the axis from the first circular end face to the second circular end face respectively, the first blind hole and the second blind hole penetrate through the cylindrical side wall and are communicated with the mounting hole, through holes are arranged in the areas of the cylindrical side wall, which are positioned in the first blind hole and the second blind hole, and a notch is arranged at the position, which is close to the second circular end face, of the cylindrical side wall; and the distance from the second blind hole to the second circular end face is d1, the distance from any point in the notch to the second circular end face is d2, and d1 is larger than d 2. Therefore, the collimator is convenient to debug and fix in the assembling process, the scientific light emitting position is designed, the space for connecting a torque cable is reserved, and the collimator can work safely and normally. Meanwhile, the marking holes are designed, so that the light emitting direction of the collimator can be confirmed, and the finished collimator can be conveniently installed and detected.
Description
Technical Field
The utility model belongs to the protection device field of collimator especially relates to the protection tube of collimator.
Background
With the progress of science, the medical imaging technology plays an important role in medical diagnosis, and various detection methods and display means tend to be more accurate, more intuitive and more complete, so that people can observe biological tissues and know the material structure, and the development of the method is the result of the mutual combination of multiple subjects such as physics, mathematics, electronics, computer science, biomedicine and the like. Among various imaging techniques, Optical Coherence Tomography/Optical Coherence Tomography (Optical Coherence Tomography) is an emerging Optical imaging technique, wherein when the Optical path difference between ballistic photons and snake photons returning from a scattering medium and reference light is within the Coherence length range of a light source, interference occurs, and the Optical path difference between the diffused photons and the reference light is greater than the Coherence length of the light source, interference cannot occur, so that the ballistic photons and the snake photons with measured sample information are extracted and imaged, and the method can realize high-resolution non-invasive Tomography measurement on biological tissues and has wide application prospects.
In an Optical Coherence Tomography (OCT) system, an optical path of an optical scanning probe needs to be continuously rotated to acquire an image, a certain safety measure is required to avoid damage of the optical path, and a metal thin-walled tube is generally used for protection, but the existing metal thin-walled tube is difficult to meet the requirements of light emission of a collimator and torque transmission while protecting the collimator.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, one of the objects of the present invention is to provide a protection tube for a collimator, which is convenient for adjustment and installation of the collimator, and which provides a possibility for miniaturization of the collimator because the metal protection tube can maintain a good strength under a small wall thickness. The light-emitting direction marking holes of the metal protection tube enable subsequent operations such as performance testing of the collimator and the like to be more convenient.
A second object of the utility model is to provide a collimator, including as above the protection tube, still include moment of torsion cable, tail optical fiber, self-focusing lens and light-emitting prism, moment of torsion cable, tail optical fiber, self-focusing lens and light-emitting prism set gradually in the mounting hole to the circular terminal surface direction of second along first circular terminal surface. The collimator is convenient to debug and fix in the assembling process through the arrangement, the scientific light emitting position is designed, the space for connecting the torque cable is reserved, and the collimator can work safely and normally. Meanwhile, the marking holes are designed, so that the light emitting direction of the collimator can be confirmed, and the finished collimator can be conveniently installed and detected.
The purpose of the utility model is realized by adopting the following technical scheme:
the protection tube of the collimator comprises a first circular end face, a second circular end face and a cylindrical side wall connecting the first circular end face and the second circular end face, wherein mounting holes penetrating through the first circular end face and the second circular end face are formed in the axis of the cylindrical side wall, a first blind hole and a second blind hole are formed in the cylindrical side wall along the direction of the axis extending from the first circular end face to the second circular end face respectively, the first blind hole and the second blind hole penetrate through the cylindrical side wall to be communicated with the mounting holes, through holes are formed in the regions, located in the first blind hole and the second blind hole, of the cylindrical side wall, and penetrate through one outer side face of the side wall to be communicated with the mounting holes and penetrate out from the other end opposite to the outer side face; a notch is formed in the cylindrical side wall close to the second circular end face and used for cutting off part of the cylindrical side wall, so that the outside can be communicated to the mounting hole through the notch; and the distance from the second blind hole to the second circular end face is d1, the distance from any point in the notch to the second circular end face is d2, and d1 is larger than d 2.
Further, the positions of the first blind hole, the second blind hole and the through hole on the cylindrical side wall satisfy the following relations: the axis of the first blind hole, the axis of the second blind hole and the axis of the through hole are on the same plane, and the axes are also on the plane.
Further, the slits are symmetrically disposed about the plane.
Furthermore, the first blind hole, the second blind hole and the through hole have the same aperture, and the notch is rectangular.
Further, the protection tube of the collimator is made of a metal material.
Further, the opening depth of the notch is smaller than half of the pipe diameter of the protection pipe of the collimator.
Further, the cut-out may be provided at an end portion or a spaced end portion of a protection tube of the collimator.
Furthermore, the edges of the first blind hole, the second blind hole, the through hole and the notch are all processed by chamfering.
Further, the wall thickness of the cylindrical side wall is 0.05mm to 0.3 mm.
The utility model provides a collimator, includes as above the protection tube, still includes moment of torsion cable, tail optical fiber, self-focusing lens and light-emitting prism, moment of torsion cable, tail optical fiber, self-focusing lens and light-emitting prism along first circular terminal surface set gradually in to the circular terminal surface direction of second in the mounting hole.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a collimator, includes the protection tube, still includes moment of torsion cable, tail fiber, self-focusing lens and light-emitting prism, and moment of torsion cable, tail fiber, self-focusing lens and light-emitting prism set gradually in the mounting hole to the circular terminal surface direction of second along first circular terminal surface. The protection tube comprises a first circular end face, a second circular end face and a cylindrical side wall connecting the first circular end face and the second circular end face, a mounting hole penetrating through the first circular end face and the second circular end face is formed in the axis of the cylindrical side wall, a first blind hole and a second blind hole are formed in the cylindrical side wall along the direction of the axis extending from the first circular end face to the second circular end face respectively and penetrate through the cylindrical side wall to be communicated with the mounting hole, through holes are formed in the regions, located in the first blind hole and the second blind hole, of the cylindrical side wall, and penetrate through one outer side face of the side wall to be communicated with the mounting hole and penetrate out from the other end opposite to the outer side face; a notch is formed in the cylindrical side wall close to the second circular end face and used for cutting off part of the cylindrical side wall, so that the outer portion can be communicated to the mounting hole through the notch; and the distance from the second blind hole to the second circular end face is d1, the distance from any point in the notch to the second circular end face is d2, and the d1 of the protective tube of the collimator is larger than d 2. The collimator is convenient to debug and fix in the assembling process through the arrangement, the scientific light emitting position is designed, the space for connecting the torque cable is reserved, and the collimator can work safely and normally. Meanwhile, the marking holes are designed, so that the light emitting direction of the collimator can be confirmed, and the finished collimator can be conveniently installed and detected.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a protection tube of a collimator according to the present invention;
fig. 2 is a cross-sectional view of a first embodiment of a protective tube of the collimator of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the protection tube of the collimator according to the present invention.
In the figure: 1. a protective tube of the collimator; 2. a first blind hole; 3. a second blind hole; 4. a through hole; 5. and (6) cutting.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The utility model discloses protection tube 1 of collimator is as shown in fig. 1-3, the protection tube includes first circular terminal surface, the circular terminal surface of second and connects the cylindrical side wall of first circular terminal surface and the circular terminal surface of second, be equipped with the mounting hole that runs through first circular terminal surface and the circular terminal surface of second along the axis of cylindrical side wall, be equipped with first blind hole 2 and second blind hole 3 respectively on cylindrical side wall along the axis extending direction from first circular terminal surface to the direction of second circular terminal surface, first blind hole 2 and second blind hole 3 all pierce through cylindrical side wall and communicate with the mounting hole, be equipped with through hole 4 in the region that cylindrical side wall lies in first blind hole 2 and second blind hole 3, through hole 4 passes from a lateral surface of lateral wall and communicates to the mounting hole, and wear out from the other end relative to the lateral surface; a notch 5 is formed in the cylindrical side wall close to the second circular end face, and the notch 5 is used for cutting off part of the cylindrical side wall, so that the outside can be communicated to the mounting hole through the notch 5; and the distance from the second blind hole 3 to the second circular end surface is d1, the distance from any point in the notch 5 to the second circular end surface is d2, and the requirement that d1 is greater than d2 is met. Hole site setting through this scheme provides convenient for the regulation and the installation of collimater to because metal protection tube can keep fine intensity under less wall thickness, this provides probably for the miniaturization of collimater. The light-emitting direction marking holes of the metal protection tube enable subsequent operations such as performance testing of the collimator and the like to be more convenient. Wherein the wall thickness of the cylindrical side wall is 0.05mm to 0.3mm, or is increased or decreased according to the use requirement.
The positions of the first blind hole 2, the second blind hole 3 and the through hole 4 on the cylindrical side wall in the embodiment satisfy the following relations: the axis of the first blind hole 2, the axis of the second blind hole 3 and the axis of the through hole 4 are on the same plane, and the axes are also on the plane.
Wherein the cut-outs 5 are arranged symmetrically with respect to said plane. And the shape of the cut-out 5 is similar to a rectangle. And the opening depth of the notch 5 is less than half of the pipe diameter of the protection pipe 1 of the collimator. Preferably, the cut-out 5 may be provided at an end or at a spaced end of the protective tube 1 of the collimator. The arrangement of the spaced ends can be provided with a further protective tube for fixing the reflecting prism as shown in fig. 3.
Preferably, the protective tube 1 of the collimator is made of a metal material. This makes possible a miniaturization of the collimator, since the protective tube made of metal can maintain a good strength even at a small wall thickness.
And the edges of the first blind hole 2, the second blind hole 3, the through hole 4 and the notch 5 are all subjected to chamfering treatment. The processing method can reduce the risk that the worker scratches and scratches the optical component in the using process.
The utility model provides a collimator, include as above the protection tube, still include moment of torsion cable, pittail (tail optical fiber), G-Lens (self-focusing Lens) and light-emitting prism, moment of torsion cable, pittail (tail optical fiber), G-Lens (self-focusing Lens) and light-emitting prism set gradually in the mounting hole to the circular terminal surface direction of second along first circular terminal surface. The collimator is convenient to debug and fix in the assembling process through the arrangement, the scientific light emitting position is designed, the space for connecting the torque cable is reserved, and the collimator can work safely and normally. Meanwhile, the marking holes are designed, so that the light emitting direction of the collimator can be confirmed, and the finished collimator can be conveniently installed and detected.
In practical application, the connection mode of each component and the protection pipe is as follows: firstly, one end of the protective tube with the notch 5 is placed on the right side, the pietail penetrates into the protective tube from the left end and passes through the through hole 4, the G-Lens and the light-emitting prism are arranged into the protective tube from the right end to the second blind hole 3 close to one end of the notch 5, the light-emitting surface of the light-emitting prism is flush with the tangent plane of the notch 5, the gap is adjusted at the moment to enable the optical performance to be optimal, then the pietail and the G-Lens are fixed by glue respectively through the through hole 4 and the second blind hole 3, and the light is emitted by the notch. The torque cable penetrates into the first blind hole 2 from the left side, and the torque cable is fixed from the first blind hole 2 after the concentricity is adjusted. The other side of the light-emitting surface of the protection tube is provided with another opening of the through hole 4, so that the accurate light-emitting direction of the collimator can be determined when the light-emitting surface of the collimator is aligned to other devices.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. Protection tube of collimater, its characterized in that: the protection tube comprises a first circular end face, a second circular end face and a cylindrical side wall connecting the first circular end face and the second circular end face, mounting holes penetrating through the first circular end face and the second circular end face are formed in the axis of the cylindrical side wall, a first blind hole and a second blind hole are formed in the cylindrical side wall in the direction from the first circular end face to the second circular end face along the extending direction of the axis, the first blind hole and the second blind hole penetrate through the cylindrical side wall and are communicated with the mounting holes, through holes are formed in the regions, located in the first blind hole and the second blind hole, of the cylindrical side wall, and penetrate through the mounting holes from one outer side face of the side wall and penetrate out from the other end opposite to the outer side face; a notch is formed in the cylindrical side wall close to the second circular end face and used for cutting off part of the cylindrical side wall, so that the outside can be communicated to the mounting hole through the notch; and the distance from the second blind hole to the second circular end face is d1, the distance from any point in the notch to the second circular end face is d2, and d1 is larger than d 2.
2. The protective tube for a collimator according to claim 1, wherein: the positions of the first blind hole, the second blind hole and the through hole on the cylindrical side wall satisfy the following relations: the axis of the first blind hole, the axis of the second blind hole and the axis of the through hole are on the same plane, and the axes are also on the plane.
3. The protective tube for a collimator according to claim 2, characterized in that the cut-out is arranged symmetrically with respect to the plane.
4. The protective tube for a collimator according to claim 3, wherein: the first blind hole, the second blind hole and the through hole have the same aperture, and the notch is rectangular.
5. The protective tube for a collimator according to claim 1, wherein: the protecting tube of the collimator is made of metal materials.
6. The protective tube for a collimator according to claim 1, wherein: the opening depth of the notch is smaller than half of the pipe diameter of the protection pipe of the collimator.
7. The protective tube for a collimator according to claim 1, wherein: the cut is arranged at the end part or the interval end part of the protection tube of the collimator.
8. The protective tube for a collimator according to claim 1, wherein: the edges of the first blind hole, the second blind hole, the through hole and the notch are all processed by chamfering.
9. The protective tube for a collimator according to claim 1, wherein: the wall thickness of the cylindrical side wall is 0.05mm to 0.3 mm.
10. A collimator comprising the protective tube of any one of claims 1 to 9, further comprising a torque cable, a pigtail, a self-focusing lens, and a light-emitting prism, the torque cable, the pigtail, the self-focusing lens, and the light-emitting prism being sequentially disposed in the mounting hole along the first circular end face toward the second circular end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280857.4U CN212160147U (en) | 2020-03-09 | 2020-03-09 | Collimator and protection tube thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280857.4U CN212160147U (en) | 2020-03-09 | 2020-03-09 | Collimator and protection tube thereof |
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| Publication Number | Publication Date |
|---|---|
| CN212160147U true CN212160147U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020280857.4U Active CN212160147U (en) | 2020-03-09 | 2020-03-09 | Collimator and protection tube thereof |
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| CN (1) | CN212160147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237850A (en) * | 2021-04-29 | 2021-08-10 | 广州永士达医疗科技有限责任公司 | Optical fiber collimator for OCT (optical coherence tomography), manufacturing method and OCT equipment |
-
2020
- 2020-03-09 CN CN202020280857.4U patent/CN212160147U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237850A (en) * | 2021-04-29 | 2021-08-10 | 广州永士达医疗科技有限责任公司 | Optical fiber collimator for OCT (optical coherence tomography), manufacturing method and OCT equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240428 Address after: 518000, No. 33, Guimiao New Village, Yuegui Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province 104 Patentee after: Shenzhen Aositian Medical Technology Co.,Ltd. Country or region after: China Address before: 510663 Guangzhou High-tech Industrial Development Zone, Guangzhou, Guangdong Province, No. 3 Shenquan Road, Science City, B205, Guangzhou International Business Incubator Area B Patentee before: GUANGZHOU WINSTAR MEDICAL TECHNOLOGY Co.,Ltd. Country or region before: China |