CN206315075U - A kind of OCT probe - Google Patents
A kind of OCT probe Download PDFInfo
- Publication number
- CN206315075U CN206315075U CN201620891949.XU CN201620891949U CN206315075U CN 206315075 U CN206315075 U CN 206315075U CN 201620891949 U CN201620891949 U CN 201620891949U CN 206315075 U CN206315075 U CN 206315075U
- Authority
- CN
- China
- Prior art keywords
- coreless fiber
- curved
- planar light
- fiber
- light extracting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of OCT probe, including probe body, the probe body is coreless fiber, the end face of the coreless fiber is reflecting surface, the reflecting surface is curved-surface reflection side, the side of the coreless fiber is light-emitting window, the light-emitting window is planar light extracting window, projection of the curved-surface reflection side at the planar light extracting window is located within the planar light extracting window, the curved-surface reflection side intersects with the planar light extracting window, the outer surface of the coreless fiber is enclosed with metal level, the outer surface of the planar light extracting window does not have coated metal layer.The beneficial effects of the utility model are:By end face one curved-surface reflection side of polishing in coreless fiber and in the one planar light extracting window of side polishing of coreless fiber, the loss due to reflecting the light caused can be reduced, focusing and imaging effect is optimized.
Description
Technical field
The utility model is related to probe, more particularly to a kind of OCT probe.
Background technology
Means of optical coherence tomography（Optical Coherence Tomography, OCT）, that is, utilize near-infrared
Light and principle of optical interference, detection biological tissue's different depth aspect are believed the back-reflection of incident near infrared light light or scattering
Number, by scanning, it can obtain biological tissue's two dimension or three-dimensional structure image.In recent years, people although find it blood vessel imaging,
Intraluminal tissue（Stomach）The advantage such as have lossless, resolution ratio high in inspection, but be due to manufacturing process is complicated, imaging effect is not good etc.
Problem, it is difficult to realize large-scale application.
Current OCT probes most of on the market use the following two kinds implementation：
1st, by using the mode of ultraviolet light polymerization glue sticking, by one section of self-focusing optical fiber and right-angle prism, with single-mode optics
Fibre bonds together.Though simple in construction, packaging technology is complicated, and product quality is difficult to ensure that.In addition, optical fiber, GRIN Lens,
Right-angle prism is different with the refractive index of glue, causes their joint face to produce the back-reflection of light, biological tissue images are made
Into interference.
2nd, by the way that coreless fiber is fused on single-mode fiber, coreless fiber is cut into predetermined length, then by centreless
End of the optical fiber away from single-mode fiber is fired into globe lens.One is made on globe lens finally by the mode of laser or machinery
Fully reflecting surface, reaches the purpose of side light extraction.By controlling the radius of curvature size of globe lens, the work of probe can be adjusted
Away from.And coreless fiber is directly fused on single-mode fiber, the back-reflection problem without light.But manufacturing process difficulty is big,
Production equipment is expensive, be difficult to produce in enormous quantities.
Thus to expand its application field, reduce back-reflection light optimization focusing and imaging effect, reduction manufacturing process are difficult
Degree and cost are crucial, and just the structure of OCT probe must be improved.
The content of the invention
In order to solve, existing OCT probe front-end architecture is complicated, back-reflection light is serious, manufacturing process difficulty is big, production is set
Standby expensive the problem of, the utility model provides a kind of OCT probe.
The utility model provides a kind of OCT probe, including probe body, and the probe body is coreless fiber, described
The end face of coreless fiber is reflecting surface, and the reflecting surface is curved-surface reflection side, and the side of the coreless fiber is light-emitting window, institute
Light-emitting window is stated for planar light extracting window, projection of the curved-surface reflection side at the planar light extracting window is located at the plane
Within light-emitting window, the curved-surface reflection side intersects with the planar light extracting window, and the outer surface of the coreless fiber is enclosed with
Metal level, the outer surface of the planar light extracting window does not have coated metal layer.
As further improvement of the utility model, the planar light extracting window is equal with the axis of the coreless fiber
OK.
As further improvement of the utility model, the planar light extracting window intersects with the axis of the coreless fiber is
Acute angle.
As further improvement of the utility model, the folder between the curved-surface reflection side and the axis of the coreless fiber
Angle is between 45 degree to 48 degree.
As further improvement of the utility model, the curved-surface reflection side is sphere or aspherical.
As further improvement of the utility model, the OCT probe also includes oversheath, inner sheath and single-mode fiber,
The one end of the coreless fiber away from the curved-surface reflection side and the single-mode fiber phase welding, the inner sheath wrap up the nothing
Core fibre and the single-mode fiber, the oversheath wrap up the inner sheath, and the inner sheath includes torsion spring circle, probe end
Sheath, the torsion spring circle and the probe end sheath hot-melt adhesive paste are held, the probe end sheath is located at the centreless
One end where optical fiber, the outer surface of the single-mode fiber is enclosed with metal level.
The utility model additionally provides a kind of manufacture method of OCT probe, comprises the following steps：
S1, coreless fiber is fused on single-mode fiber；
S2, the coreless fiber cut into predetermined length；
S3, end face of the coreless fiber away from the single-mode fiber ground to form into curved-surface reflection side；
S4, by the coreless fiber, single-mode fiber metallize, in the coreless fiber, the outer surface plating of single-mode fiber
Metal level；
S5, the coreless fiber is located at the corresponding side of the curved-surface reflection side it is ground to planar light extracting window；
S6, single-mode fiber, coreless fiber penetrated in torsion spring circle；
S7, probe end sheath hot melt is fixed on the torsion spring circle end, the probe end sheath with it is described
Coreless fiber is located at same one end；
S8, outside torsion spring circle, probe end sheath install oversheath additional.
As further improvement of the utility model, in step s3, by curved-surface reflection side and the axis of coreless fiber
Angle grinding is between 45 degree to 48 degree.
As further improvement of the utility model, in step s3, curved-surface reflection side is ground to sphere or aspheric
Face.
As further improvement of the utility model, in step s 4, in the coreless fiber, the outer surface of single-mode fiber
First one layer of silver of plating or one layer of aluminium, then one layer of layers of chrome of plating.
The beneficial effects of the utility model are：It is anti-by end face one curved surface of polishing in coreless fiber by such scheme
Penetrate face and a planar light extracting window of being polished in the side of coreless fiber, the loss due to reflecting the light caused can be reduced, optimized
Focus on and imaging effect, the front-end architecture of the OCT probe is simple, back-reflection light is reduced, manufacturing process difficulty is small, production cost
It is low.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of OCT probe of the utility model.
Fig. 2 is a kind of schematic diagram of the probe body of OCT probe of the utility model.
Fig. 3 is a kind of another schematic diagram of the probe body of OCT probe of the utility model.
Embodiment
Explanation and embodiment are further illustrated to the utility model below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of OCT probe, including probe body, the probe body is coreless fiber 3, the centreless light
The end face of fibre 3 is reflecting surface, and the reflecting surface is curved-surface reflection side 1, and the side of the coreless fiber 3 is light-emitting window, described
Light-emitting window is planar light extracting window 2, and projection of the curved-surface reflection side 1 at the planar light extracting window 2 is entirely located in institute
State within planar light extracting window 2, the curved-surface reflection side 1 intersects with the planar light extracting window 2, outside the coreless fiber 3
Metal level is coated with, the outer surface of the planar light extracting window 2 does not have coated metal layer, and the OCT probe penetrates blood vessel
Image forming job is carried out in wall 8.
As shown in Fig. 2 the planar light extracting window 2 is parallel with the axis of the coreless fiber 3.
As shown in figure 3, the planar light extracting window 2 intersects with the axis of the coreless fiber 3 for acute angle, substantially 5 degree
To between 15 degree.
As shown in Figure 1 to Figure 3, the angle between the curved-surface reflection side 1 and the axis of the coreless fiber 3 be 45 degree extremely
Between 48 degree.
As shown in Figure 1 to Figure 3, the curved-surface reflection side 1 is sphere or aspherical.
As shown in Figure 1 to Figure 3, the OCT probe also includes oversheath 7, inner sheath and single-mode fiber 4, the centreless light
Fine 3 one end away from the curved-surface reflection side 1 and the phase welding of single-mode fiber 4, the inner sheath wrap up the coreless fiber 3
With the single-mode fiber 4, the oversheath 7 wraps up the inner sheath, and the inner sheath includes torsion spring circle 6, probe end
Sheath 5, the torsion spring circle 6 and the hot-melt adhesive paste of probe end sheath 5, the probe end sheath 5 are located at the nothing
One end where core fibre 3, the outer surface of the single-mode fiber 4 is equally enclosed with metal level.
As shown in Figure 1 to Figure 3, a kind of manufacture method of OCT probe, comprises the following steps：
S1, coreless fiber 3 is fused on single-mode fiber 4；
S2, the coreless fiber 3 cut into predetermined length；
S3, end face of the coreless fiber 3 away from the single-mode fiber 4 ground to form into curved-surface reflection side 1；
S4, the coreless fiber 3, single-mode fiber 4 metallized, in the coreless fiber 3, the outer surface of single-mode fiber 4
Metal plating layer；
S5, the coreless fiber 3 is located at the corresponding side of the curved-surface reflection side 1 it is ground to planar light extracting window 2；
S6, single-mode fiber 4, coreless fiber 3 penetrated in torsion spring circle 6；
S7, by probe end sheath 5 hot melt be fixed on the end of torsion spring circle 6, the probe end sheath 5 and institute
Coreless fiber 3 is stated positioned at same one end；
S8, outside torsion spring circle 6, probe end sheath 5 install oversheath 7 additional.
In step s3, by the angle grinding of curved-surface reflection side 1 and the axis of coreless fiber 3 between 45 degree to 48 degree.
In step s3, curved-surface reflection side 1 is ground to sphere or aspherical.
In step s 4, in the coreless fiber 4, the first one layer of silver of plating in outer surface or one layer of aluminium of single-mode fiber 5, then
One layer of layers of chrome of plating.
A kind of OCT probe and its manufacture method that the utility model is provided have advantages below：
1st, a curved-surface reflection side 1 and polished sideways a planar light extracting in coreless fiber 3 by being polished in the end face of coreless fiber 3
The mode of window 2, can reduce the loss due to reflecting the light caused, optimize focusing and imaging effect.
2nd, using the probe body design integrated with single-mode fiber 4, simplify manufacturing process, it is easy to produce in batches, drop
Low cost.
3rd, probe body and single-mode fiber 4 are metallized, fragile optical fiber is played a very good protection, can be prevented
Only it is broken during use.
A kind of OCT probe and its manufacture method that the utility model is provided, can simplify manufacturing process, increase component stability
And optimize the focusing of light, it is adaptable to imagings of the OCT to cavities such as blood vessel, esophaguses.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (6)
1. a kind of OCT probe, it is characterised in that：Including probe body, the probe body is coreless fiber, the coreless fiber
End face be reflecting surface, the reflecting surface is curved-surface reflection side, and the side of the coreless fiber is light-emitting window, it is described go out optical window
Mouth is planar light extracting window, and projection of the curved-surface reflection side at the planar light extracting window is located at the planar light extracting window
Within, the curved-surface reflection side intersects with the planar light extracting window, and the outer surface of the coreless fiber is enclosed with metal level, institute
Stating the outer surface of planar light extracting window does not have coated metal layer.
2. OCT probe according to claim 1, it is characterised in that：The planar light extracting window and the coreless fiber
Axis is parallel.
3. OCT probe according to claim 1, it is characterised in that：The planar light extracting window and the coreless fiber
Axis intersects for acute angle.
4. OCT probe according to claim 1, it is characterised in that：The curved-surface reflection side and the axle of the coreless fiber
Angle between line is between 45 degree to 48 degree.
5. OCT probe according to claim 1, it is characterised in that：The curved-surface reflection side is sphere or aspherical.
6. OCT probe according to claim 1, it is characterised in that：The OCT probe also include oversheath, inner sheath and
Single-mode fiber, the one end of the coreless fiber away from the curved-surface reflection side and the single-mode fiber phase welding, the inner sheath
The coreless fiber and the single-mode fiber are wrapped up, the oversheath wraps up the inner sheath, and the inner sheath includes moment of torsion bullet
Spring coil, probe end sheath, the torsion spring circle and the probe end sheath hot-melt adhesive paste, the probe end sheath position
One end where the coreless fiber, the outer surface of the single-mode fiber is enclosed with metal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891949.XU CN206315075U (en) | 2016-08-17 | 2016-08-17 | A kind of OCT probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891949.XU CN206315075U (en) | 2016-08-17 | 2016-08-17 | A kind of OCT probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206315075U true CN206315075U (en) | 2017-07-11 |
Family
ID=59262777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620891949.XU Withdrawn - After Issue CN206315075U (en) | 2016-08-17 | 2016-08-17 | A kind of OCT probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206315075U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019488A (en) * | 2016-08-17 | 2017-08-08 | 深圳英美达医疗技术有限公司 | A kind of OCT probe and its manufacture method |
| CN107468215A (en) * | 2017-09-08 | 2017-12-15 | 中国科学院电子学研究所 | Puncture probe and apply its imaging system and method |
-
2016
- 2016-08-17 CN CN201620891949.XU patent/CN206315075U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019488A (en) * | 2016-08-17 | 2017-08-08 | 深圳英美达医疗技术有限公司 | A kind of OCT probe and its manufacture method |
| CN107468215A (en) * | 2017-09-08 | 2017-12-15 | 中国科学院电子学研究所 | Puncture probe and apply its imaging system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 area 01, 8 / F, building B, haikexing strategic emerging industrial park, No.16 Baoshan Road, intersection of Jinlong Avenue, Liulian community, Pingshan street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: INNERMEDICAL Co.,Ltd. Address before: 518000 room 1501, Pioneer Park, Lishan road University Town, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: INNERMEDICAL Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20230728 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20230728 |