CN213097818U - Optical interference fault scanning probe - Google Patents
Optical interference fault scanning probe Download PDFInfo
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- CN213097818U CN213097818U CN202020276744.7U CN202020276744U CN213097818U CN 213097818 U CN213097818 U CN 213097818U CN 202020276744 U CN202020276744 U CN 202020276744U CN 213097818 U CN213097818 U CN 213097818U
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- scanning probe
- optical interference
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- tube
- interference tomography
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- 239000000523 sample Substances 0.000 title claims abstract description 64
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 238000003325 tomography Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 35
- 239000013307 optical fiber Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 16
- 238000012634 optical imaging Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000012014 optical coherence tomography Methods 0.000 description 5
- 241000270295 Serpentes Species 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
The utility model belongs to sweep frequency OCT optical imaging system's probe unit field, concretely relates to optical interference tomography probe, including the scanning probe main part, be fixed in the control tube of scanning probe main part, pass the optic fibre that the control tube is connected with the scanning probe main part, slidable suit in the outside sealed head of control tube and suit in the outside outer tube of optic fibre, the control tube middle part is equipped with the through-hole that is used for passing for optic fibre, sealed head and outer tube fixed connection, sealed head slips in and slidable suit in the control tube outside along optic fibre. This scheme is through improving scanning probe's mechanical parts, makes scanning probe light-emitting window and outer casing head's relative distance can be controllable, can set up the difference to different human lumen pipelines the minimum distance can deal with the problem that the light-emitting window relative position that the flexible of closed outer tube arouses changes well, also can increase the applicable scene of pipe simultaneously.
Description
Technical Field
The utility model belongs to sweep frequency OCT optical imaging system's probe component field, concretely relates to optical interference tomography probe.
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 the frequency-sweeping OCT optical imaging system, a scanning probe is a part which needs to enter a human body for image acquisition, so that a closed outer sleeve is needed to isolate key parts such as a light path and the like from a human body lumen, and the safety of a patient is ensured. The minimum distance between a light path light outlet of the existing scanning probe and an outer sleeve end socket is large, and the control of the minimum distance is further influenced by the expansion and contraction of the outer sleeve in the disinfection process, so that the applicable scene of the scanning probe is limited.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art not enough, the utility model aims to provide an optical interference tomography probe, including the scanning probe main part, be fixed in the control tube of scanning probe main part, pass the optic fibre that the control tube is connected with the scanning probe main part, slidable suit in the outside sealed head of control tube and suit in the outside outer tube of optic fibre, the control tube middle part is equipped with the through-hole that is used for passing for optic fibre, sealed head and outer tube fixed connection, sealed head slips into and slidable suit in the control tube outside along optic fibre. This scheme is through improving scanning probe's mechanical parts, makes scanning probe light-emitting window and outer casing head's relative distance can be controllable, can set up the difference to different human lumen pipelines the minimum distance can deal with the problem that the light-emitting window relative position that the flexible of closed outer tube arouses changes well, also can increase the applicable scene of pipe simultaneously.
The purpose of the utility model is realized by adopting the following technical scheme:
the optical interference tomography probe comprises a scanning probe body, an adjusting tube fixed on the scanning probe body, an optical fiber penetrating through the adjusting tube and connected with the scanning probe body, a sealing head slidably sleeved outside the adjusting tube and an outer sleeve sleeved outside the optical fiber, wherein a through hole for the optical fiber to penetrate through is formed in the middle of the adjusting tube, the sealing head is fixedly connected with the outer sleeve, and the sealing head slides in along the optical fiber and slidably sleeved outside the adjusting tube.
Furthermore, the optical interference tomography probe also comprises a fixing piece, wherein the fixing piece is a hollow circular ring, and the fixing piece is sleeved on the outer wall of the scanning probe main body and a gap exists between the fixing piece and the outer wall of the scanning probe main body.
Furthermore, the end with the larger radius of the stepped cylinder of the adjusting pipe is fixedly connected with the scanning probe main body by threads, and the end with the smaller radius is a free end.
Further, the free end side wall of the adjusting pipe is embedded with a sealing ring for increasing the connection tightness with the sealing head.
Furthermore, the lateral wall of adjusting tube has inlayed two altogether the sealing washer, two the sealing washer interval sets up.
Furthermore, the outer wall of the end with the larger radius of the adjusting pipe is provided with threads, and the adjusting pipe is connected with the sealing head through the threads.
Furthermore, a protecting piece for protecting the outer sleeve is arranged at the joint of the sealing head and the outer sleeve.
Further, the protection piece is a hollow conical piece, and the protection piece is sleeved outside the outer sleeve.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an optical interference tomography probe, including the scanning probe main part, be fixed in the control tube of scanning probe main part, pass optic fibre, the slidable suit that the control tube is connected with the scanning probe main part in the outside sealed head of control tube and suit in the outside outer tube of optic fibre, the control tube middle part is equipped with the through-hole that is used for passing for optic fibre, sealed head and outer tube fixed connection, sealed head slides in and slidable suit is outside in the control tube along optic fibre. This scheme is through improving scanning probe's mechanical parts, makes scanning probe light-emitting window and outer casing head's relative distance can be controllable, can set up the difference to different human lumen pipelines the minimum distance can deal with the problem that the light-emitting window relative position that the flexible of closed outer tube arouses changes well, also can increase the applicable scene of pipe simultaneously.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of an optical interference tomography probe of the present invention;
fig. 2 is a cross-sectional view of a preferred embodiment of the optical interference tomography probe of the present invention.
In the figure: 1. scanning the probe body; 2. an optical fiber; 3. an outer sleeve; 4. an adjusting tube; 5. a sealing head; 6. A fixing member; 7. a protective member; 8. and (5) sealing rings.
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 optical interference tomography probe is as shown in fig. 1-fig. 2, including scanning probe main part 1, be fixed in scanning probe main part 1's control tube 4, pass optic fibre 2 that control tube 4 is connected with scanning probe main part 1, slidable suit is in 4 outside sealed heads 5 of control tube and suit is in 2 outside outer tube 3 of optic fibre, 4 middle parts of control tube are equipped with the through-hole that is used for passing for optic fibre 2, sealed head 5 and 3 fixed connection of outer tube, sealed head 5 slides in and slidable suit is in 4 outsides of control tube along optic fibre 2. This scheme is through improving scanning probe's mechanical parts, makes scanning probe light-emitting window and the relative distance of outer tube 3 head controllable, can set up the difference to different human lumen pipelines the minimum distance can deal with the problem that the light-emitting window relative position that the flexible of closed outer tube 3 arouses changes well, also can increase the applicable scene of pipe simultaneously.
The utility model discloses still include mounting 6, mounting 6 is the cavity ring, 6 suit in there is the clearance between the two outside the scanning probe main part 1, terminal surface and the laminating of the rear end face of sealed head 5 before the mounting 6, the accessible is adjusted 6 realization of mounting are to the position control of sealed head 5 and outer tube 3.
Preferably, the adjusting tube 4 is a stepped cylinder, the end with the larger radius is fixedly connected with the scanning probe main body 1 by threads, and the end with the smaller radius is a free end. Meanwhile, in order to ensure the connection tightness of the sealing head 5 and the adjusting pipe 4, a sealing ring 8 used for increasing the connection tightness of the sealing head 5 is embedded in the side wall of the free end of the adjusting pipe 4. And the lateral wall of the adjusting pipe 4 is embedded with two sealing rings 8, and the two sealing rings 8 are arranged at intervals. Through the arrangement of the two sealing rings 8, the inner side of the sealing head 5 is in contact with the sealing rings 8 to realize the sleeving sealing with the adjusting pipe 4. The outer wall of one end with the larger radius of the adjusting pipe 4 is provided with threads, and the adjusting pipe 4 is connected with the sealing head 5 through the threads. The sealing head 5 is sleeved on the adjusting pipe 4 to slide through forward and reverse rotation, the sliding mode is only one implementation mode of the scheme, and other embodiments which achieve the same sliding action and do not make actual changes are all within the protection range of the scheme.
Preferably, a protecting piece 7 for protecting the outer sleeve 3 is further arranged at the joint of the sealing head 5 and the outer sleeve 3. The protecting piece 7 is a hollow conical piece, and the protecting piece 7 is sleeved outside the outer sleeve 3. The outer jacket tube 3 and the optical fiber 2 are protected from damage by the protective member 7.
The method for adjusting the relative distance between the light outlet of the scanning probe and the end socket of the outer sleeve 3 comprises the following steps: the position of the fixing member 6 is adjusted first, and then the position of the sealing head 5 is adjusted to make the remaining fixing members 6 tightly fit. Because the sealing head 5 is connected with the outer sleeve 3, the optical fiber 2 is connected with the scanning probe body 1, the end socket position at the right end of the outer sleeve 3 changes along with the position change of the sealing head 5, and the light outlet of the light path, the optical fiber 2 and the scanning probe body 1 are kept unchanged, thereby achieving the effect of adjusting the distance.
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 (8)
1. An optical interference tomography probe characterized by: the optical fiber scanning probe comprises a scanning probe body, an adjusting tube fixed on the scanning probe body, an optical fiber penetrating through the adjusting tube and connected with the scanning probe body, a sealing head slidably sleeved outside the adjusting tube and an outer sleeve sleeved outside the optical fiber, wherein a through hole for the optical fiber to penetrate through is formed in the middle of the adjusting tube, the sealing head is fixedly connected with the outer sleeve, and the sealing head slides in along the optical fiber and slidably sleeved outside the adjusting tube.
2. The optical interference tomography probe of claim 1, wherein: the optical interference tomography probe also comprises a fixing piece, wherein the fixing piece is a hollow circular ring, and the fixing piece is sleeved on the outer wall of the scanning probe main body and a gap exists between the fixing piece and the outer wall.
3. The optical interference tomography probe of claim 1, wherein: the stepped cylinder of the adjusting pipe is characterized in that one end with a larger radius is fixedly connected with the scanning probe main body through threads, and the other end with a smaller radius is a free end.
4. The optical interference tomography probe of claim 3, wherein: the free end side wall of the adjusting pipe is embedded with a sealing ring for increasing the connection tightness with the sealing head.
5. The optical interference tomography probe of claim 4, wherein: the lateral wall of control tube is inlayed jointly has two the sealing washer, two the sealing washer interval sets up.
6. The optical interference tomography probe of claim 3, wherein: the outer wall of one end with the larger radius of the adjusting pipe is provided with threads, and the adjusting pipe is connected with the sealing head through the threads.
7. The optical interference tomography probe of claim 1, wherein: and a protecting piece for protecting the outer sleeve is further arranged at the joint of the sealing head and the outer sleeve.
8. The optical interference tomography probe of claim 7, wherein: the protection piece is a hollow conical piece, and the protection piece is sleeved outside the outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020276744.7U CN213097818U (en) | 2020-03-09 | 2020-03-09 | Optical interference fault scanning probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020276744.7U CN213097818U (en) | 2020-03-09 | 2020-03-09 | Optical interference fault scanning probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213097818U true CN213097818U (en) | 2021-05-04 |
Family
ID=75642224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020276744.7U Active CN213097818U (en) | 2020-03-09 | 2020-03-09 | Optical interference fault scanning probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213097818U (en) |
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2020
- 2020-03-09 CN CN202020276744.7U patent/CN213097818U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240417 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 |
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| TR01 | Transfer of patent right |