CN203759313U - Bent corner laser optical fiber structure - Google Patents
Bent corner laser optical fiber structure Download PDFInfo
- Publication number
- CN203759313U CN203759313U CN201320714990.6U CN201320714990U CN203759313U CN 203759313 U CN203759313 U CN 203759313U CN 201320714990 U CN201320714990 U CN 201320714990U CN 203759313 U CN203759313 U CN 203759313U
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- Prior art keywords
- optical fiber
- laser
- bent angle
- fiber structure
- transmission fibers
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- Expired - Lifetime
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 95
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims description 72
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 239000010453 quartz Substances 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract 3
- 238000005253 cladding Methods 0.000 abstract 2
- 238000001356 surgical procedure Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 210000001519 tissue Anatomy 0.000 description 6
- 238000002679 ablation Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Landscapes
- Laser Surgery Devices (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The utility model relates to a bent corner laser optical fiber structure, comprising a transmission optical fiber, an optical fiber connector, and an operation handle. The transmission optical fiber comprises a double-cladding quartz optical fiber with a protective layer, a bent corner positioned in the front of the optical fiber, an optical fiber end and a protective layer stripping section; the double-cladding quartz optical fiber with the protective layer is used for transmitting laser energy; the distance between the bent corner and the end of the optical fiber is 2 to 8 millimeters; the angle of the bent corner is 150 degrees to 170 degrees; the radius of the bent corner is 2-5 millimeters and the bent corner is used for changing the transmission direction of the laser; the end of the optical fiber is in a form of a sphere or a plane, and each form is used for forming laser output with light intensity being distributed in a certain form; the operation handle comprises a handle pillar, a direction mark, and an optical screw locking clamp. The scheme provided by the bent corner laser optical fiber structure simplifies the current optical fiber structure, expands the treatment area, provides convenience to surgery and meets the requirement of treatment.
Description
Technical field
The utility model relates to a kind of medical laser light transmitting fiber structure, especially a kind of bent angle laser fiber product structure.
Background technology
Laser has more and more been applied at medical field since by invention, laser is the important means of carrying out Wicresoft's interventional therapy, laser has the feature of high brightness, high directivity, be easy to control and can make light focus on a bit, the laser of visible ray and near-infrared wavelength can be used fiber optic transmission, import light into body cavity, utilize the thermal effect of laser energy to solidify, carbonization, vaporization tissue, make ablation of tissue or solidify and reach therapeutic purposes.Utilize light transmitting fiber the high power of some wavelength or high energy laser to be transferred on the target spot of tissue and implement treatment, can simplify optical transmission system, the not mechanical articulate arm of Structure of need complexity, and optical fiber easy to use and flexible, volume is little, diameter generally, below 2mm, can be got involved in laser in body cavity and treat by endoscope or conduit.Silica fibre is current conventional medical laser light transmitting fiber, and it makes core diameter with quartz, and outer bag is with the little optical medium of refractive index, and light incides the interface of optically thinner medium, the total reflection that just produces light in the time that incident angle is greater than critical angle from optically denser medium.Enter fibre-optic laser and repeatedly on interface, produce total reflection, thus transmission laser.In order to protect optical fiber easy to break, outer fiber bag increases its intensity to have flexible plastics.The fibre-optic core diameter of medical laser generally arrives 1.0mm at 0.2mm.
The optical fiber that is planar shaped for the optical fiber end that does not need special processing, shoot laser is the cone-shaped beam centered by shaft axis of optic fibre with certain angle of divergence, in the time carrying out Wicresoft's interventional therapy operation operation, can only organize to front irradiation, between active region, be only rectilinear direction, if need expanded scope, often need to extract out optical fiber, reinsert new linearity region, very inconvenient.
Side light-coming out optical fiber structure be tack optical fiber arrange above one with the catoptron at shaft axis of optic fibre angle at 45 °, and itself and optical fiber are linked together with metallic sheath, complex structure, difficulty of processing is large, and some parts employing precious metals, cost is high.The side direction light-coming out optical fiber of the band of development quartz cap subsequently, optical fiber is exported to end and be processed into the inclined-plane that can make the laser of transmission penetrate from the side direction of stray fiber axis, optical fiber connector is also connected with described inclined-plane is enclosed in to airborne circle tube fiber cap, and air wherein makes inclined-plane meet the condition of the inner total reflection of light.This optical fiber, laser reflects by optical fiber inclined-plane, light distribution through the round tube wall output beam of optical fiber cap is undesirable, longitudinal size and the angle of divergence along bright dipping are less, and it is larger along lateral dimension and the angle of divergence of bright dipping, hot spot is similar to rectangle, and laser energy disperses relatively, very unfavorable to treatment.
In prior art, also comprise a kind of elbow form of quartz socket tube, its outside at optical fiber front end adds has overlapped a quartzy elbow, strengthen the diameter of emerging beam, reduce the power density of Output of laser, the cutting power of laser is a greater impact, reduced the speed of ablation of tissue, also make solidification layer thickening, the postoperative surface of a wound is recovered to produce adverse influence.
Utility model content
The utility model provides a kind of medical laser light transmitting fiber structure, for simplifying existing optical fiber structure, expands area for treatment, facilitates operation technique, meets Treatment need.
The utility model provides a kind of bent angle laser fiber structure, wherein, comprising:
Transmission Fibers, one end is connected with optical fiber connector, and for coupled transfer laser, the other end is for the light beam to the light distribution of specific direction output specific modality.
Operating grip, is connected in centre with Transmission Fibers, in not extreme direction and the action length that limits Transmission Fibers of indexed optical fiber;
Optical fiber connector, is connected with laser cure apparatus, for constant transmissions optical fiber and transmission laser.
Bent angle laser fiber structure as above, preferably,
Described Transmission Fibers comprises double clad silica fibre, the bent angle of optical fiber front portion, optical fiber end, the protective seam section of peeling off with protective seam;
The described double clad silica fibre with protective seam is for transmitting laser energy;
Described bent angle is the angle between Transmission Fibers axis and optical fiber output end axis, for changing Laser Transmission direction;
Described optical fiber end comprises various shape, and every kind of form is used to form the Laser output of specific modality light distribution;
The described protective seam section of peeling off is the length to connector direction from optical fiber end process bent angle, for the manufacture of technique.
Bent angle laser fiber structure as above, preferably,
The angle of described bent angle is 150-170 °.
Bent angle laser fiber structure as above, preferably,
The radius of described bent angle is 2-5 millimeter.
Bent angle laser fiber structure as above, preferably,
Described bent angle is 2-8 millimeter apart from the fiber lengths of optical fiber end.
Bent angle laser fiber structure as above, preferably,
The length of the described protective seam section of peeling off from bent angle to connector direction is 5-15 millimeter.
Bent angle laser fiber structure as above, preferably,
Described optical fiber output end comprises spherical, planar shaped.
Bent angle laser fiber structure as above, preferably,
Described operating grip comprises handle cylinder, bearing mark, optical fiber screw-threaded coupling dop, silica gel trim ring;
Described handle cylinder grips for doctor;
Described bearing mark is used to indicate the light direction of optical fiber end;
Described optical fiber screw-threaded coupling dop is for the position of fixing operation handle in Transmission Fibers;
Described silica gel trim ring is used for stoping Transmission Fibers in handle cylinder, rotate and move, fixed fiber position.
Bent angle laser fiber structure as above, preferably,
The distance of described operating grip and optical fiber output end is greater than the length of matching used endoscope with it or conduit.
Bent angle laser fiber structure as above, preferably,
The bearing mark of described operating grip is with consistent through the laser direction of optical fiber output end output.
Bent angle laser fiber structure as above, preferably,
The optical fiber core diameter of the described double clad silica fibre with protective seam is 400-1000 micron.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is bent angle optical fiber structure schematic diagram;
Fig. 2 is bent angle angle schematic diagram;
Fig. 3 is optical fiber end structural parameters schematic diagram;
Fig. 4 is operating grip structural profile schematic diagram;
Fig. 5 is planar shaped optical fiber end light distribution schematic diagram;
Fig. 6 is spherical optical fibre end light distribution schematic diagram.
Description of reference numerals:
1-Transmission Fibers; 11-optical fiber bent angle; 12-optical fiber end; The spherical end of 121-;
122-planar shaped end; 2-operating grip; 21-handle cylinder; 22-label;
23-screw-threaded coupling dop; 24-silica gel trim ring; 3-optical fiber connector.
Embodiment
Embodiment mono-
The bent angle optical fiber structure schematic diagram that Fig. 1 provides for the utility model embodiment, the present embodiment bent angle optical fiber structure comprises Transmission Fibers 1, one end is connected with optical fiber connector 3, connector is SMA905 type, laser for from coupled transfer to the light distribution of specific direction output specific modality, the other end is optical fiber output end 12, the form of optical fiber connector is planar shaped 122, Fig. 5 is planar shaped optical fiber end light distribution schematic diagram, in the middle of Transmission Fibers 1 two ends, be manufactured with bent angle 11 near optical fiber output end 12 1 sides, Fig. 2 is bent angle angle schematic diagram, bent angle is for changing the direction of Laser output and expand optical fiber the reach of exporting end, preferably 150-170 ° of the angle [alpha] of bent angle, Fig. 3 is optical fiber end structural parameters schematic diagram, bent angle 11 is apart from the preferably 2-8 millimeter of fiber lengths H of optical fiber end 12, the radius r of bent angle 11 is 2-5 millimeter preferably, preferably 5-15 millimeter of the length W of the protective seam section of peeling off from bent angle to connector direction, the total length of the protective seam section of peeling off is W, H, L sum, operating grip 2, is connected in centre with Transmission Fibers, grips for doctor, is convenient to operation technique, in addition, is also used to indicate not extreme direction and the action length that limits Transmission Fibers of optical fiber simultaneously, optical fiber connector 3, for being connected with laser cure apparatus, simultaneously also for constant transmissions optical fiber, wherein fixing fiber end face is for receiving the focused beam of being exported by laser cure apparatus.
Fig. 4 is operating grip structural profile schematic diagram, the handle cylinder 21 being fixedly connected with is arranged in Transmission Fibers 1, be greater than the length of endoscope with the distance of optical fiber output end 12, conventionally operating grip 2 can be set to 40～50cm apart from the distance of optical fiber output end 12, is at least greater than endoscope passage length more than 100 millimeters.On the handle cylinder 21 of preferred version, also can be provided with the label 21 of indexed optical fiber output end laser direction, operator can pull or rotating operating handle 2 drives optical fiber output end 12 put in, extract out or rotate, and judge light direction according to the direction of label 21, the different parts by Ear Mucosa Treated by He Ne Laser Irradiation to tissue.Label 21 can adopt various structures, the form of simple protrusion direction mark 22 as shown in Figure 4.Handle cylinder 21 is a column type body, is axially arranged with through hole, is socketed in Transmission Fibers 1 and affixed with it.This is affixed can be the bonding fixing integrative-structure that becomes, and the main operation that coordinates the endoscopic technic passage with regular length is used.
In the time coordinating therapeutic endoscopy to use, optical fiber end 12 is inserted by the operating walk way of endoscope, optical fiber connector is sent to therapentic part, in the Transmission Fibers 1 of the laser of laser cure apparatus transmitting on being coupled into the joints of optical fibre 3, transmit, laser penetrates at optical fiber output end 12.Operator can pull or rotating operating handle 2 drives optical fiber output end put in, extract out or rotate, and light shines the different parts of tissue.
Embodiment bis-
On the basis of embodiment mono-; operating grip 2 need not be adhesively fixed; handle cylinder 21 can move in Transmission Fibers 1, selects the anterior length of appropriate optical fibers, is locked by screw-threaded coupling dop 23; screw-threaded coupling dop is by rotating along screw thread compressed silicone rubber trim ring 24; make its distortion, be tightly coated on the protective seam outside of Transmission Fibers 1, produce frictional resistance; stop Transmission Fibers in handle cylinder 21, rotate and move, fixed fiber position.Main cooperation for the operative catheter of frequent variation different length used.
Embodiment tri-
On the basis of embodiment mono-or embodiment bis-, the form of optical fiber connector 12 is spherical end 121, and this spherical is solid transparency silica glass ball.Fig. 6 is spherical optical fibre end light distribution schematic diagram.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be modified or be equal to replacement the technical solution of the utility model, and does not depart from the scope of technical solutions of the utility model.
Claims (10)
1. a bent angle laser fiber structure, is characterized in that, comprising:
Transmission Fibers, one end is connected with optical fiber connector, and for coupled transfer laser, the other end is for the light beam to the light distribution of specific direction output specific modality.
Operating grip, is connected in centre with Transmission Fibers, is used to indicate not extreme direction and the action length that limits Transmission Fibers of optical fiber;
Optical fiber connector, is connected with laser cure apparatus, for constant transmissions optical fiber and transmission laser.
2. bent angle laser fiber structure according to claim 1, is characterized in that,
Described Transmission Fibers comprises double clad silica fibre, the bent angle of optical fiber front portion, optical fiber end, the protective seam section of peeling off with protective seam;
The described double clad silica fibre with protective seam is for transmitting laser energy;
Described bent angle is the angle between Transmission Fibers axis and optical fiber output end axis, for changing Laser Transmission direction;
Described optical fiber end comprises various shape, and every kind of form is used to form the Laser output of specific modality light distribution;
The described protective seam section of peeling off is the length to connector direction from optical fiber end process bent angle, for the manufacture of technique.
3. according to the bent angle laser fiber structure described in claim 1 and 2, it is characterized in that,
Described bent angle is 2-8 millimeter apart from the fiber lengths of optical fiber end.
4. according to the bent angle laser fiber structure described in claim 1 and 2, it is characterized in that,
The angle of described bent angle is 150-170 °.
5. according to the bent angle laser fiber structure described in claim 1 and 2, it is characterized in that,
The radius of described bent angle is 2-5 millimeter.
6. according to the bent angle laser fiber structure described in claim 1 and 2, it is characterized in that,
The length of the described protective seam section of peeling off from bent angle to connector direction is 5-15 millimeter.
7. according to the bent angle laser fiber structure described in claim 1 and 2, it is characterized in that,
Described optical fiber output end comprises spherical, planar shaped.
8. according to the bent angle laser fiber structure described in claim 1 and 7, it is characterized in that,
Described operating grip comprises handle cylinder, bearing mark, optical fiber screw-threaded coupling dop, silica gel trim ring;
Described handle cylinder grips for doctor;
Described bearing mark, with consistent through the laser direction of optical fiber output end output, is used to indicate the light direction of optical fiber end;
Described optical fiber screw-threaded coupling dop is for the position of fixing operation handle in Transmission Fibers;
Described silica gel trim ring is used for stoping Transmission Fibers in handle cylinder, rotate and move, fixed fiber position.
9. according to the bent angle laser fiber structure described in claim 1 and 7, it is characterized in that,
The distance of described operating grip and optical fiber output end is greater than the length of matching used endoscope with it or conduit.
10. according to the bent angle laser fiber structure described in claim 1 and 2, it is characterized in that,
The optical fiber core diameter of the described double clad silica fibre with protective seam is 400-1000 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714990.6U CN203759313U (en) | 2013-11-14 | 2013-11-14 | Bent corner laser optical fiber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714990.6U CN203759313U (en) | 2013-11-14 | 2013-11-14 | Bent corner laser optical fiber structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203759313U true CN203759313U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320714990.6U Expired - Lifetime CN203759313U (en) | 2013-11-14 | 2013-11-14 | Bent corner laser optical fiber structure |
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| Country | Link |
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| CN (1) | CN203759313U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297894A (en) * | 2017-08-11 | 2017-10-27 | 江阴司特易生物技术有限公司 | A kind of portable biometric 3D printing rifle |
| CN108294823A (en) * | 2018-01-29 | 2018-07-20 | 武汉唐济科技有限公司 | A kind of medical laser optical fiber for capableing of ranging |
| WO2019006944A1 (en) * | 2017-07-03 | 2019-01-10 | 沈阳雷卓激光医疗器械有限公司 | Shearable laser handle structure compatible with disposable optical fiber needle |
| CN111658139A (en) * | 2020-05-28 | 2020-09-15 | 北京通腾激光医疗科技有限公司 | Optical fiber mode-disturbing unit, medical optical fiber based on optical fiber mode-disturbing unit and application |
| CN111796375A (en) * | 2020-08-06 | 2020-10-20 | 上海瑞柯恩激光技术有限公司 | Transmission optical fiber, laser optical fiber structure and preparation method of transmission optical fiber |
| CN112867458A (en) * | 2018-09-07 | 2021-05-28 | 莱尼电缆有限公司 | Optical fiber with improved distal end |
-
2013
- 2013-11-14 CN CN201320714990.6U patent/CN203759313U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019006944A1 (en) * | 2017-07-03 | 2019-01-10 | 沈阳雷卓激光医疗器械有限公司 | Shearable laser handle structure compatible with disposable optical fiber needle |
| CN107297894A (en) * | 2017-08-11 | 2017-10-27 | 江阴司特易生物技术有限公司 | A kind of portable biometric 3D printing rifle |
| CN108294823A (en) * | 2018-01-29 | 2018-07-20 | 武汉唐济科技有限公司 | A kind of medical laser optical fiber for capableing of ranging |
| CN112867458A (en) * | 2018-09-07 | 2021-05-28 | 莱尼电缆有限公司 | Optical fiber with improved distal end |
| CN111658139A (en) * | 2020-05-28 | 2020-09-15 | 北京通腾激光医疗科技有限公司 | Optical fiber mode-disturbing unit, medical optical fiber based on optical fiber mode-disturbing unit and application |
| CN111796375A (en) * | 2020-08-06 | 2020-10-20 | 上海瑞柯恩激光技术有限公司 | Transmission optical fiber, laser optical fiber structure and preparation method of transmission optical fiber |
| CN111796375B (en) * | 2020-08-06 | 2023-12-05 | 上海瑞柯恩激光技术有限公司 | Transmission optical fiber, laser optical fiber structure and preparation method of transmission optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |