CN110384499A - Internal indexed optical fiber and preparation method - Google Patents
Internal indexed optical fiber and preparation method Download PDFInfo
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- CN110384499A CN110384499A CN201810360559.3A CN201810360559A CN110384499A CN 110384499 A CN110384499 A CN 110384499A CN 201810360559 A CN201810360559 A CN 201810360559A CN 110384499 A CN110384499 A CN 110384499A
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- optical fiber
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- windowing section
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 29
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 29
- 238000007747 plating Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004809 Teflon Substances 0.000 claims description 11
- 229920006362 Teflon® Polymers 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000002679 ablation Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 238000000608 laser ablation Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002310 reflectometry Methods 0.000 abstract description 2
- 210000000626 ureter Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000004814 polyurethane Substances 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012994 photoredox catalyst Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 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
- 230000003760 hair shine Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
- A61B5/065—Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on the probe
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Human Computer Interaction (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention provides a kind of internal indexed optical fiber and preparation method, is equipped with the windowing section of light transmission in the side wall of optical fiber, is equipped in one end end of optical fiber and is used for reflective reflection end, the other end of optical fiber is for connecting instruction light source.Preparation method, comprising the following steps: generate the windowing section of light transmission in the outer wall of optical fiber；Reflection end is made in optic fibre end；The internal indexed optical fiber of side wall light leakage is obtained by above step.The present invention is capable of forming the strip-shaped light source along optical fiber axial direction outer wall uniformly light-emitting, and the reflection end of setting can further enhance the luminous effect of side wall and not damage the risk of body tissue under the premise of guaranteeing enough light intensity.It is improved on the basis of the medical optical fiber of preparation method of the invention in the prior art, forms windowing section, reduce the reflectivity of optical fiber jacket, increase scattered power, to realize uniformly light-emitting, indicated human body body vessel position, avoid malpractice.
Description
Technical field
The present invention relates to medical assistance instrument field, especially a kind of internal indexed optical fiber and preparation method.
Background technique
In the Minimally Invasive Surgery of gynemetrics, anorectum department and Urology Surgery, occur due to can not be accurately positioned ureter or
Other human body conduit positions and the malpractice for causing human body pipeline to be accidentally injured.
The prior art discloses a kind of luminous light pipe, is inserted into the leaded light that shines when being performed the operation in the pipelines such as patient ureter
Pipe indicates the pipelines such as ureter by its light issued, but in Minimally Invasive Surgery, the luminous intensity of this kind of luminous light pipe compared with
Weak, indicating effect is bad.
Chinese patent literature CN206151422U describes a kind of system detected in abdominal operation and show ureter,
It gives and generates light and shade alternate images using the light pipe that light and shade alternately flashes, to accurately show the endoscope of ureter position
Image.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of internal indexed optical fiber and preparation methods, can generate higher
Luminous intensity, the reliable position for indicating ureter.
Another technical problem to be solved by this invention is to provide the preparation method of above-mentioned internal indexed optical fiber, can increase
Light pipe brightness, and producting process difficulty is reduced, reduce production cost.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of internal indexed optical fiber, in optical fiber
Side wall is equipped with the windowing section of light transmission, is equipped in one end end of optical fiber and is used for reflective reflection end, and the other end of optical fiber is used for
Connection instruction light source.
In preferred scheme, the optical fiber includes core, and transparent surrounding layer, the windowing section are externally provided in core
Positioned at surrounding layer；
The windowing section recess is located at surrounding layer；
The material of core is PMMA, PS or PC.
Surrounding layer material is PTFE, PVC or PU.
In preferred scheme, the windowing section is the outer surface of frosted；
Or the windowing section is the outer surface of chemical attack；
Or the windowing section is the combination for being located at surface or multiple bubbles by near surface of laser ablation；
Or the windowing section is one or more snippets annular indentation.
In preferred scheme, the wire core diameter is 0.2 ~ 2.5mm, surrounding layer with a thickness of 0.1 ~ 1.225mm.
In preferred scheme, the reflection end is semicircle；
The reflection end has the structure expanded；
The material for reflecting end is PTFE, PVC or PU.
In preferred scheme, reflecting layer is equipped in reflection end.
The optical fiber is socketed in transparent catheter.
In preferred scheme, multiple scales are equipped in the outer wall of optical fiber；
The pedestal for connecting instruction light source is equipped in the end of the optical fiber other end.
A kind of preparation method preparing above-mentioned internal indexed optical fiber, comprising the following steps:
S1, optical fiber outer wall generate light transmission windowing section；
S2, reflection end is made in optic fibre end；
The internal indexed optical fiber of side wall light leakage is obtained by above step.
In preferred scheme, during traction optical fiber, optical fiber outer wall with the clamping light of diamond dust collet interval
Fine outer wall forms windowing section by the outer wall that diamond dust collet is ground optical fiber；
Alternatively, being ground the outer wall of optical fiber with Carborundum wheel interval, windowing section is formed；
Alternatively, forming windowing section with the outer wall of disk blade ring-type cutting optical fiber；
Alternatively, forming windowing section with the outer wall of laser head ring-type ablation optical fiber.
In preferred scheme, cast in the end of optical fiber using polytetrafluorethylepowder powder, by polytetrafluoroethylene (PTFE) composite powder
It is placed in the mold of end, inserts optical fibers into end mold, reflection end is made in heating；
Or in the end of optical fiber with one layer of sputter, chemical plating or plating reflecting layer, then teflon sleeve is put on, by poly- four
Vinyl fluoride casing and optical fiber are bonded or are welded to connect；
Or in teflon sleeve inner wall with one layer of sputter, chemical plating or plating reflecting layer, then by teflon sleeve
Fitting is bonded or is welded to connect to the end of optical fiber, by teflon sleeve and optical fiber；
Or polytetrafluoroethylene (PTFE) composite powder is placed on one layer of sputter, chemical plating or plating reflecting layer in the end of optical fiber
It in the mold of end, inserts optical fibers into end mold, reflection end is made in heating.
The present invention provides a kind of internal indexed optical fiber and preparation method, it is capable of forming along optical fiber axial direction outer wall uniformly light-emitting
Strip-shaped light source, the reflection end of setting can further enhance the luminous effect of side wall, being capable of gem-pure instruction human body
The risk of body tissue is not damaged under the premise of guaranteeing enough light intensity in the position of interior pipeline.Preparation method of the invention exists
It is improved on the basis of medical optical fiber in the prior art, forms windowing section, reduce the reflectivity of optical fiber jacket, increase and dissipate
Rate is penetrated, to realize uniformly light-emitting, human body body vessel position is indicated, avoids malpractice.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural schematic diagram when present invention uses.
Fig. 2 is the partial structural diagram of optical fiber in the present invention.
Fig. 3 is another partial structural diagram of optical fiber in the present invention.
Fig. 4 is the schematic view of the front view of optical fiber preparation method in the present invention.
Fig. 5 is the cross-sectional structure schematic diagram of another preparation method of optical fiber in the present invention.
Fig. 6 is the cross-sectional structure schematic diagram of another preparation method of optical fiber in the present invention.
Structural schematic diagram when Fig. 7 is reflection end preparation in the present invention.
Fig. 8 is the partial enlargement diagram that end is reflected in the present invention.
In figure: optical fiber 1, core 101, surrounding layer 102, open a window section 103, reflects end 11, and ureter 2 indicates light source 3,
Endoscope 4, extrusion die 5, diamond dust collet 6, end mold 7, manipulator 8, Carborundum wheel 9.
Specific embodiment
Embodiment 1:
In Fig. 1 ~ 3, Fig. 8, a kind of internal indexed optical fiber is equipped with the windowing section 103 of light transmission in the side wall of optical fiber 1, in optical fiber 1
One end end, which is equipped with, is used for reflective reflection end 11, and the other end of optical fiber 1 is for connecting instruction light source 3.Using doctor in this example
With optical fiber, length is 0.7 ~ 1.2 meter, and diameter is 0.5 ~ 2.7mm, common diameter has 0.5,1,1.2,1.4,1.7,2,2.4,
2.7 specification.By using above-mentioned structure, in the transmission path of instruction light source 3, the light of part is escaped from windowing section 103, from
And the brightness of 1 outer wall of optical fiber is enhanced, light has the light of part to escape from windowing section 103 by reflecting the reflection of end 11, from
And the light for making 1 outer wall of optical fiber launch higher light intensities is arranged after reflecting end 11 after testing, the strong light for the section 103 that opens a window
Degree can increase by 30 ~ 70%, and the light of these evolutions can penetrate the wall of people's body vessel, can in laparoscopic procedures, compared with
The position of good instruction ureter or other people body vessels, avoids maloperation.In particular by the structure, can use higher
The instruction light source 3 of luminous intensity, without making tissue burn.
Preferred scheme such as Fig. 2, in 3, the optical fiber 1 includes core 101, and transparent outsourcing is externally provided in core 101
Layer 102, the windowing section 103 is located at surrounding layer 102；
Preferably, what the windowing section 103 was recessed is located at surrounding layer 102；
Preferably, the material of core 101 is PMMA polymethyl methacrylate, PS polystyrene type plastics or PC polycarbonate.
PMMA is preferably used in this example.
Preferably, 102 material of surrounding layer is PTFE polytetrafluoroethylene (PTFE), PVC polyvinyl chloride or PU polyurethanes.This example
In preferably PTFE.
In preferred scheme, the windowing section 103 is the outer surface of frosted；
Or the windowing section 103 is the outer surface of chemical attack；
Or the windowing section 103 is the combination for being located at surface or multiple bubbles by near surface of laser ablation；
Or the windowing section 103 is one or more snippets annular indentation.
In preferred scheme, the wire core diameter is 0.2 ~ 2.5mm, surrounding layer 102 with a thickness of 0.1 ~ 1.225mm.
In this example, preferably wire core diameter is 0.6 ~ 1.2 mm, further preferably 0.8 ~ 1.0mm；The thickness of surrounding layer 102 is according to using
Demand is determining, thus structure, it is ensured that the toughness of optical fiber 1 meets requirement.
In preferred scheme such as Fig. 2,3,8, the reflection end 11 is semicircle；Thus structure avoids damage to human body
Tissue.
In preferred scheme such as Fig. 8, the reflection end 11 is with the structure expanded；Thus structure, convenient in human body
It is walked in pipeline.
Preferably, the material for reflecting end 11 is PTFE, PVC or PU.
In preferred scheme, reflecting layer is equipped in reflection end 11.Thus structure, can be by the light of 1 end of optical fiber
It reflects back again, the light intensity of enhancing windowing section 103.
In preferred scheme, multiple scales are equipped in the outer wall of optical fiber 1；These scales be mainly set into it is intracorporal enter
At mouthful and external part, thus structure, convenient for controlling the depth of insertion.
The pedestal for connecting instruction light source 3 is equipped in the end of 1 other end of optical fiber.Pedestal in this example is to be socketed in light
Cylinder on fibre 1, it is preferred that be equipped with buckle or groove on cylinder, indicate light source 3 in order to fixed.Further preferably, in light
One end of 1 installation instruction light source 3 of fibre, is also coated with semi-transflective reflective coating, can be reflective again, thus structure, can be further
Promote the luminous intensity of windowing section 103.
Embodiment 2:
On the basis of embodiment 1, a kind of preparation method preparing above-mentioned internal indexed optical fiber, comprising the following steps:
S1, optical fiber 1 outer wall generate light transmission windowing section 103；
S2, reflection end 11 is made in optic fibre end；
The internal indexed optical fiber of side wall light leakage is obtained by above step.
Embodiment 3:
On the basis of embodiment 2, in preferred scheme, during traction optical fiber 1, optical fiber 1 outer wall with diamond dust
The outer wall of the clamping optical fiber 1 of 6 interval of collet forms windowing section 103 by the outer wall that diamond dust collet 6 is ground optical fiber 1；
Embodiment 4:
On the basis of embodiment 2, in preferred scheme, it is intermittently ground the outer wall of optical fiber 1 with Carborundum wheel 9, forms windowing section
103；It is further preferred that driving the outer wall of the high-speed rotating grinding of Carborundum wheel 9 optical fiber 1 with the manipulator 8 of at least two axis.It is right
The manipulator 8 that the section 103 that opens a window in one setting at least three is uniformly distributed along the circumference.Each manipulator 8 is located at different on assembly line
Station.A windowing section 103 is processed, is needed along assembly line at least three manipulators 8 of setting, each manipulator 8 is along circle
120 ° of all spacing distributions.By the processing of three stations, a complete annular windowing section 103 is completed the process.Such as institute in Fig. 5
Show.
Embodiment 5:
On the basis of embodiment 2, in preferred scheme, the cyclic annular cutting light of disk blade 9 is driven with the manipulator 8 of at least two axis
The outer wall of fibre 1 forms windowing section 103；Referring to Fig. 5, it is equivalent in this example and the Carborundum wheel 9 in embodiment 4 is replaced with into plate-like
Blade 9.
Embodiment 6:
On the basis of embodiment 2, in preferred scheme, with the outer wall of the cyclic annular ablation optical fiber 1 of laser head 12, windowing section is formed
103.In this example, by spin fiber 1, laser head 12 forms multiple pits in the outer wall of optical fiber 1, and multiple pit compositions are cricoid
Open a window section 103.It is further preferred that laser head 12 forms bubble between the surrounding layer 102 and core 101 of optical fiber 1, make by
Light appeared, the structure greatly improved windowing section 103 brightness.In optional scheme, laser head 12 be it is multiple, along
Circumference, thus structure, improves the efficiency of processing.
Embodiment 7:
On the basis of the above embodiments, it in preferred scheme such as Fig. 7, is cast in the end of optical fiber 1 using polytetrafluorethylepowder powder
It makes, polytetrafluoroethylene (PTFE) composite powder is placed in end mold 7, optical fiber 1 is inserted into end mold 7, heating is made
Reflect end 11；The group of polytetrafluoroethylene (PTFE) composite powder is divided into 50-65 parts of polytetrafluoroethylene (PTFE), 6-7 parts of phenolic resin or poly- ammonia
6-7 parts of ester, 10-20 parts of filler, 1-2 parts of septichen phenyl ester, 1-2 parts of p-phenylenediamine, 15 ~ 18 parts of ethyl alcohol.Make
For the polytetrafluorethylepowder powder of more high mixture ratio can also be used in this example in optional scheme.
Embodiment 8:
On the basis of embodiment 1 ~ 6, in preferred scheme such as Fig. 8, in the end of optical fiber 1 with sputter, such as titanium dioxide table
Face plated film, chemical plating such as NI-P chemical plating or plating, such as electrosilvering, prepare one layer of reflecting layer 10, and reflecting layer 10 includes gold
Belong to reflecting layer and using carbon, silica or zirconium oxide as the non-metallic reflective layer of representative, then put on teflon sleeve, will gather
Tetrafluoroethene casing and optical fiber 1 are bonded or are welded to connect；Using nontoxic glue as bonding agent, welding uses ultrasonic welding for bonding
Mode.
Embodiment 9:
On the basis of embodiment 1 ~ 6, in preferred scheme such as Fig. 8, teflon sleeve inner wall is with sputter, chemical plating or electricity
One layer of reflecting layer 10 is plated, then by teflon sleeve fitting to the end of optical fiber 1, teflon sleeve and optical fiber 1 are glued
It closes or is welded to connect.
Embodiment 10:
On the basis of embodiment 1 ~ 6, in preferred scheme such as Fig. 7, the end of optical fiber 1 is with one layer of sputter, chemical plating or plating
Polytetrafluoroethylene (PTFE) composite powder is placed in end mold 7 by reflecting layer 10, and optical fiber 1 is inserted into end mold 7, heating
Reflection end 11 is made.
Embodiment 11:
On the basis of the above embodiments, the optical fiber 1 is socketed in transparent catheter.Thus structure, can be using straight
The thinner optical fiber of diameter, and due to the protection of catheter, more powerful infrared light supply can be used.Especially, the end of optical fiber 1
Head is located in catheter, without the additional round end for preparing, simplifies difficulty of processing, especially reflects the difficulty of processing of end.True
Under the premise of protecting instruction body vessel position, additionally it is possible to obtain the amount of deflection for being easy to walk in human body pipeline.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, can mutual any combination.Protection model of the invention
The technical solution that should be recorded with claim is enclosed, the equivalent replacement side of technical characteristic in the technical solution recorded including claim
Case is protection scope.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of internal indexed optical fiber, it is characterized in that: the side wall in optical fiber (1) is equipped with the windowing section (103) of light transmission, in optical fiber
(1) one end end, which is equipped with, is used for reflective reflection end (11), and the other end of optical fiber (1) is for connecting instruction light source (3).
2. a kind of internal indexed optical fiber according to claim 1, it is characterized in that: the optical fiber (1) includes core
(101), it is externally provided with transparent surrounding layer (102) in core (101), the windowing section (103) is located at surrounding layer (102)；
Windowing section (103) recess is located at surrounding layer (102)；
The material of core (101) is PMMA, PS or PC；
Surrounding layer (102) material is PTFE, PVC or PU.
3. a kind of internal indexed optical fiber according to claim 1 or 2, it is characterized in that: the windowing section (103) is frosted
Outer surface；
Or the windowing section (103) is the outer surface of chemical attack；
Or the windowing section (103) is the combination for being located at surface or multiple bubbles by near surface of laser ablation；
Or the windowing section (103) is one or more snippets annular indentation.
4. a kind of internal indexed optical fiber according to claim 1, it is characterized in that: the wire core diameter is 0.2 ~ 2.5mm,
Surrounding layer (102) with a thickness of 0.1 ~ 1.225mm.
5. a kind of internal indexed optical fiber according to claim 1, it is characterized in that: the reflection end (11) is semicircle
Shape；
The reflection end (11) has the structure expanded；
Reflecting layer is equipped in reflection end (11)；
The material for reflecting end (11) is PTFE, PVC or PU.
6. a kind of internal indexed optical fiber according to claim 1 or 5, it is characterized in that: the optical fiber (1) be socketed in it is transparent
Catheter in.
7. a kind of internal indexed optical fiber according to claim 1, it is characterized in that:
Multiple scales are equipped in the outer wall of optical fiber (1)；
The pedestal for connecting instruction light source (3) is equipped in the end of optical fiber (1) other end.
8. a kind of preparation method for preparing the described in any item internal indexed optical fibers of claim 1 ~ 7, it is characterized in that including following
Step:
S1, optical fiber (1) outer wall generate light transmission windowing section (103)；
S2, reflection end (11) is made in optic fibre end；
The internal indexed optical fiber of side wall light leakage is obtained by above step.
9. the preparation method of internal indexed optical fiber according to claim 8, it is characterized in that:
During traction optical fiber (1), optical fiber (1) outer wall with the outer of the clamping optical fiber (1) of diamond dust collet (6) interval
Wall forms windowing section (103) by the outer wall of diamond dust collet (6) grinding optical fiber (1)；
Alternatively, being ground the outer wall of optical fiber (1) with Carborundum wheel (9) interval, windowing section (103) is formed；
Alternatively, forming windowing section (103) with the outer wall of cyclic annular cutting optical fiber (1) of disk blade (9)；
Alternatively, forming windowing section (103) with the outer wall of the cyclic annular ablation optical fiber (1) of laser head (12).
10. the preparation method of internal indexed optical fiber according to claim 8, it is characterized in that: being used in the end of optical fiber (1)
Polytetrafluorethylepowder powder casting, polytetrafluoroethylene (PTFE) composite powder is placed in end mold (7), optical fiber (1) is inserted into end
In head mold (7), reflection end (11) is made in heating；
Or in the end of optical fiber (1) with one layer of sputter, chemical plating or plating reflecting layer (10), then put on polytetrafluoroethylene (PTFE) set
Teflon sleeve and optical fiber (1) are bonded or are welded to connect by pipe；
Or in teflon sleeve inner wall with one layer of sputter, chemical plating or plating reflecting layer (10), then by polytetrafluoroethylene (PTFE)
Teflon sleeve and optical fiber (1) are bonded or are welded to connect to the end of optical fiber (1) by casing fitting；
Or in the end of optical fiber (1) with one layer of sputter, chemical plating or plating reflecting layer (10), by polytetrafluoroethylene (PTFE) composite powder
It is placed in end mold (7), optical fiber (1) is inserted into end mold (7), reflection end (11) is made in heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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