CN207186604U - A kind of multispectral switching optical fibre illumination laryngoscope - Google Patents
A kind of multispectral switching optical fibre illumination laryngoscope Download PDFInfo
- Publication number
- CN207186604U CN207186604U CN201720214658.1U CN201720214658U CN207186604U CN 207186604 U CN207186604 U CN 207186604U CN 201720214658 U CN201720214658 U CN 201720214658U CN 207186604 U CN207186604 U CN 207186604U
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- Prior art keywords
- multispectral
- laryngoscope
- led
- electrically connected
- optical fibre
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- 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.)
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 47
- 238000005286 illumination Methods 0.000 title claims abstract description 32
- 238000001228 spectrum Methods 0.000 claims abstract description 32
- 239000003086 colorant Substances 0.000 claims abstract description 12
- 210000000867 larynx Anatomy 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 12
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 239000004425 Makrolon Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000011282 treatment Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 206010061728 Bone lesion Diseases 0.000 description 1
- 241001631457 Cannula Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002576 laryngoscopy Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
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- Endoscopes (AREA)
Abstract
The utility model provides a kind of multispectral switching optical fibre illumination laryngoscope, including laryngoscope handle, is provided with connection member on laryngoscope handle, connection member mechanically connects and fixes laryngoscope blade.LED lamp module is provided with laryngoscope handle, LED lamp module includes multispectral LED, and multispectral LED sends the spectrum of at least two colors.PCB modules are additionally provided with laryngoscope handle, PCB modules include control circuit and switching push button.Control circuit is electrically connected with switching push button and multispectral LED respectively, the color and radiance that user switches multispectral LED and send spectrum by pressing switching push button.The optical fibre illumination laryngoscope can allow the different complicated use environment of physician in view, and the spectrum for easily switching different colours is illuminated, and to help doctor preferably to distinguish throat, tracheae and obstruction, successfully carry out inserting larynx operation or other treatment.
Description
Technical field
Medical instruments field is the utility model is related to, more particularly, to a kind of multispectral switching optical fibre illumination laryngoscope.
Background technology
Laryngoscope is the essential tool of airway management, for including air flue laryngoscopy various trachea cannulas detection and
Operation.The scene of laryngoscope application is complicated, the different physical condition of different patients and structure to laryngoscope product using when propose very
Shifting after high requirement, such as high-order larynx, upper dental protrusion, the root of the tongue, glossauxeis, cervical spine injury, oral cavity opening width be low and lower jaw
Degenerative bone lesion etc.；And it is frequently necessary to overcome bleeding, vomiting secretion obstruction and patient's body dynamic when using laryngoscope
The situations such as deterioration.The light pricker laryngoscope of prior art is only capable of providing white light, and effectively all of above complex environment can not be shone
It is bright so that doctor can not recognize space environment and obstruction in throat well.
Utility model content
The technical problems to be solved in the utility model is, solid color spectrum can only be provided for the light pricker laryngoscope of routine
The defects of, there is provided it is a kind of to send different colours spectrum according to various complicated internal environment requirements by doctor's free switching
The multispectral switching optical fibre illumination laryngoscope being illuminated.
Technical scheme is used by the utility model solves its technical problem：A kind of multispectral switching optical fibre illumination is provided
Laryngoscope, including laryngoscope handle, connection member are provided with the laryngoscope handle, the connection member mechanically connects and fixes laryngoscope
Blade；
LED lamp module is provided with the laryngoscope handle, the LED lamp module includes multispectral LED, described multispectral
LED sends the spectrum of at least two colors；
PCB modules are additionally provided with the laryngoscope handle, the PCB modules include control circuit and switching push button；
The control circuit is electrically connected with switching push button and multispectral LED respectively, and user is by pressing switching push button
Switch color and radiance that multispectral LED sends spectrum.
Preferably, the LED lamp module also includes auxiliary pcb board, and the multispectral LED is arranged on auxiliary pcb board,
And it is electrically connected；The LED lamp module also includes light pipe, and the light pipe is set around multispectral LED surrounding.
Preferably, the PCB modules also include main PCB plate and battery, and the switching push button is arranged on main PCB plate, and
It is electrically connected；The battery is electrically connected with main PCB plate；
The main PCB plate is electrically connected with auxiliary pcb board.
Preferably, optical fiber tube is provided with the laryngoscope blade, optical fiber is provided with the optical fiber tube.
Preferably, while the connection member mechanically connects and fixes laryngoscope blade, the optical fiber tube and light pipe connect
Connect and light conduction, the optical fiber that the spectrum for sending the multispectral LED is passed sequentially through in light pipe and optical fiber tube are transferred to larynx
The light-emitting tip of mirror blade.
Preferably, the light pipe includes narrow pipe and wide pipe, and half seamlessly transitted is provided between the narrow pipe and wide pipe
Round tube, maximize and assemble and transmit the spectrum that multispectral LED is sent；The light pipe is by makrolon
(Polycarbonate) material or polymethyl methacrylate (PMMA) material are made.
Preferably, the auxiliary pcb board and main PCB plate are made up of the metal substrate material of perfect heat-dissipating；The connection
Part is general connects hinge.
Preferably, the control circuit includes booster circuit and main control chip, the booster circuit respectively with battery and master
Chip is controlled to be electrically connected with；The switching push button and main control chip are electrically connected with.
Preferably, the control circuit also includes the first radiance regulation circuit and the second radiance regulation circuit,
The first radiance regulation circuit is electrically connected with by first line and the second circuit with main control chip respectively, and described first
Radiance adjusts circuit and is electrically connected with multispectral LED.
The second radiance regulation circuit is electrically connected with by tertiary circuit and the 4th circuit with main control chip respectively,
The second radiance regulation circuit is electrically connected with multispectral LED.
The beneficial effects of the utility model are that the optical fibre illumination laryngoscope can allow physician in view difference complex environment convenient
The spectrum of ground switching different colours is illuminated, and to help doctor preferably to distinguish environment and obstruction in throat, is successfully entered
The slotting larynx operation of row or other treatment.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the overall structure diagram of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model；
Fig. 2 is the laryngoscope handle internal structure signal of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model
Figure；
Fig. 3 is the light pipe structure schematic diagram of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model；
Fig. 4 is the electric operation control circuit figure of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, it is detailed now to compare accompanying drawing
Illustrate specific embodiment of the present utility model.
Fig. 1 is the overall structure diagram of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model.This is more
Spectrum switching optical fibre illumination laryngoscope includes laryngoscope handle 110, and connection member 120, connection member are provided with laryngoscope handle 110
120 mechanically connect and fix laryngoscope blade 100.Connection member 120 can be general connects hinge.
Fig. 2 is the laryngoscope handle internal structure signal of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model
Figure.LED lamp module 160 is provided with laryngoscope handle 110, LED lamp module 160 includes auxiliary pcb board 150, with aiding in pcb board
The 150 multispectral LEDs 140 being electrically connected with and light pipe 130.Light pipe 130 is set around multispectral LED surrounding.Light more
Spectrum LED lamp 140 can send the spectrum of at least two colors, doctor when in face of various complicated throat's inner cases, it is necessary to
The illumination light of different colours spectrum is so as to preferably identify and recognize throat's internal measurements and obstruction, so as to suitable
Carry out inserting larynx operation or various other treatments sharply.When carrying out the detection of trunnion intubation or operation, because patient body situation
Unstability, doctor is frequently encountered the suddenly change of throat's inner structure, internal bleeding or sight and the situation such as hinders, and throat
The color of internal structure in itself, plus the respective different colours of possible bleeding, obstruction, digest and vomitus, sometimes very
Mix and the caused form and color for being difficult to recognize to being that above material is mutual, therefore the irradiation light of single light source color is very
Difficulty meets the needs of doctor is when carrying out trunnion intubation.And multispectral LED 140 of the present utility model can send at least two
The irradiation light of color spectrum, the selection of multiple spectrum color is provided to doctor.
During the effect of light source and object, warm colour object is irradiated using warm tones light source, reflecting effect preferably and also by
It is higher to irradiate object saturation degree；Similarly, cool colour object is irradiated using cool tone light source, overall reflective effect is also compared with other tones
Light source is good.Using the corresponding spectroscopic light source matched to object reflectance, illumination utilization rate is higher, and effect is more preferable.Preferably, it is more
Spectrum LED 140 can be the chip LED lamps of RGB tri- or the chip LED lamps of WRGB tetra- or laser.
For light source irradiation object, most directly description is brightness, and the reflecting brightness perceived into human eye is effective brightness,
And associated is reflectivity.In in general illumination application, the reflectivity of object uses average reflectance, for saturation degree
Relatively low object contributions are relatively small, and irradiate the higher object of some saturation degrees and very big luminance deviation then be present.It is and effective
The efficiency of the improvement of brightness, very broad aspect dependent on light source, the white-light illuminating light source that conventional fiberoptic laryngoscope uses are relative
Maturation, its source efficiency also no longer have bigger room for promotion；On the contrary, the multispectral LED 140 that the utility model uses
Source efficiency can be controlled or adjust by control circuit realization lifting.In addition importantly, multispectral LED 140
, can be by designing and control obtains optimal optical electivity with good spectral selection.Therefore, multispectral LED 140 is sent out
The illumination light of the different spectral colors gone out can be directed to the spectral reflection characteristic of different objects, make object bright with preferably reflecting
Degree, is easy to doctor effectively to distinguish laryngeal structure environment and obstruction, meets doctor when carrying out trunnion intubation to multiple spectrum face
The demand of color illumination light.
In addition, optical fibre illumination laryngoscope of the present utility model has used single multispectral LED 140 to be used as illuminating source, pole
The earth improves the stability of light source.
Multispectral LED 140 sets and is fixed on auxiliary pcb board 150, aid in pcb board 150 and main PCB plate 170 all by
Heat transfer and the metal substrate material of perfect heat-dissipating are made, metal substrate material can be copper clad laminate or containing aluminium base or
The metal-based copper-clad plate of person's iron-based.The heat that multispectral LED 140 distributes can be by aiding in pcb board 150 to disperse rapidly.It is auxiliary
Inwall of the both ends of pcb board 150 also with laryngoscope handle 110 is helped to be in contact so that auxiliary pcb board 150 can be easily from more
Spectrum LED 140 absorb heat transfer arrive laryngoscope handle 110, it is ensured that multispectral LED 140 all the time in low temperature work
Environment, keep stable work luminance.
PCB modules 200 are additionally provided with laryngoscope handle 110, PCB modules 200 include main PCB plate 170, are arranged on main PCB
Switching push button 180 on plate 170 and the battery 190 with the electric connection of main PCB plate 170.Switching push button 180 and the electricity of main PCB plate 170
Property connection.PCB modules 200 also include control circuit (not shown), control circuit (not shown) respectively with switching push button 180 and more
Spectrum LED 140 is electrically connected with, the color that user switches multispectral LED 140 and send spectrum by pressing switching push button 180.
Main PCB plate 170 is also electrically connected with auxiliary pcb board 150.
Main PCB plate 170 be arranged in parallel perpendicular to the bottom surface of laryngoscope handle 110 with the side of laryngoscope handle 110.Switching is pressed
The button of button 180 is arranged in the side wall of laryngoscope handle 110 so that doctor can easily be touched with finger and be pressed, by cutting
Change button 180 and switch the spectral color that multispectral LED 140 is sent.The base of switching push button 180 is arranged on main PCB plate 170,
170 control circuit is electrically connected with switching push button 180 and main PCB plate.Battery 190 passes through main PCB plate 170 and auxiliary pcb board
150 are electrically connected with multispectral LED 140, are powered to multispectral LED 140, its work is lighted.Main PCB plate 170 and
It is made up of the material of heat conduction and perfect heat-dissipating, the upper end of main PCB plate 170 is also in contact with auxiliary pcb board 150, further side
Auxiliary pcb board 150 is helped to distribute the heat from the conduction of multispectral LED 140.
Optical fiber tube 90 is provided with laryngoscope blade 100, optical fiber is provided with optical fiber tube 90.Connection member 120 mechanically connects
And while fixing laryngoscope blade 100, optical fiber tube 90 and light pipe 130 are connected and turned on, and make what multispectral LED 140 was sent
The optical fiber that spectrum is passed sequentially through in light pipe 130 and optical fiber tube 90 is transferred to the light-emitting tip (210) of laryngoscope blade 100.
Multispectral LED 140 is arranged in laryngoscope handle 110 rather than in laryngoscope blade 100, and this kind setting can make can
The laryngoscope blade 100 of dismounting and laryngoscope handle 110 separate, and individually carry out autoclave sterilization sterilization without multispectral LED
Lamp 140 follows laryngoscope blade 100 to carry out disinfection together, avoids multispectral LED 140 and holds because autoclave sterilization sterilizes
It is fragile.
Fig. 3 is the light pipe structure schematic diagram of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model.Lead
Light pipe 130 includes narrow pipe 131 and wide pipe 132, and the semicircular pipe 133 seamlessly transitted is provided between narrow pipe 131 and wide pipe 132,
The pipeline of this light pipe 130 is narrowed since light source by wide smooth excessiveness again, can be maximized and be assembled and transmit multispectral LED
The spectrum that lamp 140 is sent is to the optical fiber in optical fiber tube 90.
Light pipe 130 can be by guide-lighting makrolon (Polycarbonate) material of good performance or poly- methyl-prop
E pioic acid methyl ester (PMMA) material is made.
Fig. 4 is the electric operation control circuit figure of the multispectral switching optical fibre illumination laryngoscope preferred embodiment of the utility model.Control circuit
171 include booster circuit 173 and main control chip 172, and booster circuit 173 electrically connects with battery 190 and main control chip 172 respectively
Connect；Switching push button 180 and main control chip 172 are electrically connected with.
Control circuit 171 includes the first radiance regulation circuit 176 and second radiance regulation circuit 178, and first
Radiance regulation circuit 176 is electrically connected with by the circuit 1752 of first line 1751 and second with main control chip 172 respectively, the
One radiance regulation circuit 176 is electrically connected with multispectral LED 140；
Second radiance regulation circuit 178 passes through the circuit 1772 of tertiary circuit 1771 and the 4th and main control chip respectively
172 are electrically connected with, and the second radiance regulation circuit 178 is electrically connected with multispectral LED 140.
The voltage that battery 190 provides realizes boost in voltage by booster circuit 173, forms input booster voltage 142, master control
The VSS of chip 172 is terminated into input booster voltage 142.The VIN ports access input booster voltage of voltage stabilizing integrated chip 174
142, the VOUT ports output burning voltage of voltage stabilizing integrated chip 174, form first voltage input 1791 and (be shown as in Fig. 4
V25+), first voltage input 1791 is electrically connected at first node 1792 by resistance R9；First node 1792 is respectively with
One circuit 1751 and the second circuit 1752 are electrically connected with；First node 1792 is also and the first radiance regulation circuit 176 is electrical
Connection.So as to realize that first voltage input 1791 provides different voltage swings one kind is sent to adjust multispectral LED 140
The radiance size of color spectrum.
Similarly, the burning voltage of the VOUT ports output based on voltage stabilizing integrated chip 174, also forms second voltage input
1793 (V25+ is also displayed as in Fig. 4) are held, second voltage input 1793 is electrically connected at section point by resistance R10
1794；Section point 1794 is electrically connected with the circuit 1772 of tertiary circuit 1771 and the 4th respectively；Section point 1794 is also and the
Two radiances regulation circuit 178 is electrically connected with.So as to realize that second voltage input 1793 provides different voltage swings
Adjust the radiance size that multispectral LED 140 sends another spectrum.
The P60//INT ports of main control chip 172 and first line 1751 are electrically connected with, the P61 ports of main control chip 172
It is electrically connected with the second circuit 1752, main control chip 172 controls and adjusted by the circuit 1752 of first line 1751 and second
The voltage swing of one voltage input end 1791.
Similarly, the P62/TCC ports of main control chip 172 and tertiary circuit 1771 are electrically connected with, main control chip 172
P64/OSCO ports and the 4th circuit 1772 are electrically connected with, and main control chip 172 passes through the circuit 1772 of tertiary circuit 1771 and the 4th
Control and the voltage swing of adjustment second voltage input 1793.
In addition, the both ends of switching push button 180 are electrically connected with the P67 ports of main control chip 172 and vdd terminal mouth respectively, because
This realizes user and switched by pressing switching push button 180 multispectral LED 140 and sends different colours spectrum and adjustment light
The radiance size of spectrum, allows the complicated use environment that physician in view is different, and the spectrum for easily switching different colours is shone
It is bright, to help doctor preferably to distinguish throat, tracheae and obstruction, successfully carry out inserting larynx operation or other treatment.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection of the present utility model.
Claims (9)
1. a kind of multispectral switching optical fibre illumination laryngoscope, it is characterised in that including laryngoscope handle (110), the laryngoscope handle
(110) connection member (120) is provided with, the connection member (120) mechanically connects and fixed laryngoscope blade (100)；
LED lamp module (160) is provided with the laryngoscope handle (110), the LED lamp module (160) includes multispectral LED
(140), the multispectral LED (140) sends the spectrum of at least two colors；
PCB modules (200) are additionally provided with the laryngoscope handle (110), the PCB modules (200) include control circuit (171)
With switching push button (180)；
The control circuit (171) is electrically connected with switching push button (180) and multispectral LED (140) respectively, user by by
Pressure switching push button (180) switches the color and radiance that multispectral LED (140) sends spectrum.
2. multispectral switching optical fibre illumination laryngoscope according to claim 1, it is characterised in that the LED lamp module (160)
Also include auxiliary pcb board (150), the multispectral LED (140) is arranged on auxiliary pcb board (150), and is electrically connected with it
Connect；The LED lamp module (160) also includes light pipe (130), and the light pipe (130) surrounds multispectral LED (140) four
Week is set.
3. multispectral switching optical fibre illumination laryngoscope according to claim 2, it is characterised in that the PCB modules (200) are also
Including main PCB plate (170) and battery (190), the switching push button (180) is arranged on main PCB plate (170), and electrical with it
Connection；The battery (190) is electrically connected with main PCB plate (170)；
The main PCB plate (170) is electrically connected with auxiliary pcb board (150).
4. multispectral switching optical fibre illumination laryngoscope according to claim 1, it is characterised in that the laryngoscope blade (100)
In be provided with optical fiber tube (90), be provided with optical fiber in the optical fiber tube (90).
5. multispectral switching optical fibre illumination laryngoscope according to claim 4, it is characterised in that the connection member (120)
While mechanically connecting and fix laryngoscope blade (100), the optical fiber tube (90) and light pipe (130) connection and light conduction, make
The optical fiber that the spectrum that the multispectral LED (140) sends is passed sequentially through in light pipe (130) and optical fiber tube (90) is transferred to larynx
The light-emitting tip (210) of mirror blade (100).
6. multispectral switching optical fibre illumination laryngoscope according to claim 5, it is characterised in that light pipe (130) bag
Narrow pipe (131) and wide pipe (132) are included, the semicircular pipe seamlessly transitted is provided between the narrow pipe (131) and wide pipe (132)
(133), maximize and assemble and transmit the spectrum that multispectral LED (140) is sent；The light pipe (130) is by makrolon
(Polycarbonate) material or polymethyl methacrylate (PMMA) material are made.
7. multispectral switching optical fibre illumination laryngoscope according to claim 3, it is characterised in that the auxiliary pcb board (150)
It is made up with main PCB plate (170) of the metal substrate material of perfect heat-dissipating；The connection member (120) is general connects hinge.
8. multispectral switching optical fibre illumination laryngoscope according to claim 1, it is characterised in that the control circuit (171)
Including booster circuit (173) and main control chip (172), the booster circuit (173) respectively with battery (190) and main control chip
(172) it is electrically connected with；The switching push button (180) and main control chip (172) are electrically connected with.
9. multispectral switching optical fibre illumination laryngoscope according to claim 8, it is characterised in that the control circuit (171)
Also include the first radiance regulation circuit (176) and the second radiance regulation circuit (178), first radiance is adjusted
Road (176) are economized on electricity respectively by first line (1751) and the second circuit (1752) and main control chip (172) electric connection, it is described
First radiance regulation circuit (176) is electrically connected with multispectral LED (140)；
The second radiance regulation circuit (178) passes through tertiary circuit (1771) and the 4th circuit (1772) and master control respectively
Chip (172) is electrically connected with, and the second radiance regulation circuit (178) is electrically connected with multispectral LED (140).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720214658.1U CN207186604U (en) | 2017-03-07 | 2017-03-07 | A kind of multispectral switching optical fibre illumination laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720214658.1U CN207186604U (en) | 2017-03-07 | 2017-03-07 | A kind of multispectral switching optical fibre illumination laryngoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207186604U true CN207186604U (en) | 2018-04-06 |
Family
ID=61792683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720214658.1U Expired - Fee Related CN207186604U (en) | 2017-03-07 | 2017-03-07 | A kind of multispectral switching optical fibre illumination laryngoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207186604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567401A (en) * | 2017-03-07 | 2018-09-25 | 郭岳荣 | A kind of multispectral switching optical fibre illumination laryngoscope |
-
2017
- 2017-03-07 CN CN201720214658.1U patent/CN207186604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567401A (en) * | 2017-03-07 | 2018-09-25 | 郭岳荣 | A kind of multispectral switching optical fibre illumination laryngoscope |
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Granted publication date: 20180406 |