CN208864269U - A kind of fluorescence endoscope cold light source - Google Patents
A kind of fluorescence endoscope cold light source Download PDFInfo
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- CN208864269U CN208864269U CN201821213298.4U CN201821213298U CN208864269U CN 208864269 U CN208864269 U CN 208864269U CN 201821213298 U CN201821213298 U CN 201821213298U CN 208864269 U CN208864269 U CN 208864269U
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Abstract
The utility model relates to a kind of fluorescence endoscope cold light sources, including cabinet, circuit board is equipped in the cabinet, Switching Power Supply, filter, near-infrared luminous module and LED light module, the Switching Power Supply, filter, near-infrared luminous module and LED light module connecting pin electrical connection corresponding with circuit board respectively, the lateral wall of the cabinet is equipped with light guide bundles socket, optical fiber light-guiding beam is additionally provided in the cabinet, first lens group, second lens group and rotating mechanism, the rotating mechanism is equipped with filter wheel, and filter wheel is equipped with short wave pass filter and long wave pass filter, the near infrared light that the white light and near-infrared luminous module that the LED light module issues issue passes sequentially through the first lens group after mixing by optical fiber light-guiding beam, filter wheel and the second lens group, finally exported outside cabinet via light guide bundles socket.The utility model is not only simple in structure, and two light source high-frequency interruptions shine and fluorescence imaging is more clear.
Description
Technical field
The utility model relates to a kind of endoscope illuminators, and in particular to a kind of fluorescence endoscope cold light source is used for minimally invasive hand
Development and lesion diagnosis, belong to technical field of medical equipment in art during art.
Background technique
Fluorescent light source used in medical industry at present is near-infrared and white light mostly while giving out light, utilizes optics microscope group
The two is assembled while being emitted, if to realize that near-infrared and white light interruption shine, can only be realized by the on-off of circuit, but
It is circuit control on-off, start-up study is had for infrared laser, and high-frequency on-off can damage light source,
Service life is reduced, so fluorescent light source on the market is divided into two kinds at present, one is fluorescence and near-infrared working conditions similarly hereinafter
When light out, only have one one is infrared and white light and go out light, cannot accomplish that two light source high-frequencies interruptions shine, and a high frequency
Rate interruption, which shines, can make the realization of fluorescence imaging algorithm lighter, and image is more clear.
Utility model content
The purpose of this utility model is: one kind is provided and is not only simple in structure, and two light source high-frequency interruptions shine, with
And the fluorescence endoscope cold light source that fluorescence imaging is more clear.
A kind of in order to achieve the above object, the technical solution of the present invention is: fluorescence endoscope cold light source, including machine
Case, the cabinet is interior to be equipped with circuit board, Switching Power Supply, filter, near-infrared luminous module and LED light module, the switch
The connecting pin electrical connection corresponding with circuit board respectively of power supply, filter, near-infrared luminous module and LED light module, the machine
Case is equipped with light guide bundles socket,
Its innovative point is: optical fiber light-guiding beam, the first lens group, the second lens group and whirler are additionally provided in the cabinet
Structure,
The rotating mechanism is equipped with filter wheel, and filter wheel is equipped with short wave pass filter and long wave pass filter,
The near infrared light that the white light and near-infrared luminous module that the LED light module issues issue passes through optical fiber light-guiding beam
The first lens group, filter wheel and the second lens group are passed sequentially through after mixing, and are finally exported outside cabinet via light guide bundles socket.
In above-mentioned technical proposal, the rotating mechanism includes motor, and filter wheel is located on the output shaft of motor, described short
Wave pass filter and long wave pass filter being centrosymmetrically arranged along filter wheel, and filter wheel is equipped with and short wave pass filter
With the spaced apart light-blocking region of long wave pass filter.
In the above-mentioned technical solutions, first lens group includes two biconvex lens, and two biconvex lens are located at filter
Between halo and optical fiber light-guiding beam.
In the above-mentioned technical solutions, second lens group includes two biconvex lens, and two biconvex lens are located at and lead
Between light beam socket and filter wheel.
In the above-mentioned technical solutions, the wavelength control of the near-infrared luminous module is within the scope of 700nm ~ 900nm.
In the above-mentioned technical solutions, the LED light module includes radiating module, and radiating module is equipped with radiation air
Fan, the connecting pin electrical connection corresponding with circuit board of the radiator fan of the radiating module.
In the above-mentioned technical solutions, the LED light module includes radiating module, and radiating module has multiple radiating fins
Piece, multiple radiating fins of the radiating module are equipped with the radiation rib being mutually integrated with it.
In the above-mentioned technical solutions, the LED light module is fixed on the lateral wall of radiating module by thermal grease.
In the above-mentioned technical solutions, the radiating module is equipped with the chip cover board with through-hole, and chip cover board is covered on
One connector in the outside of LED light module, the optical fiber light-guiding Shu Yiduan is fixed on chip cover board by screwing part, and should
It offsets in the through-hole of connector insertion chip cover board and with LED light module.
Good effect possessed by the utility model is: after the fluorescence endoscope cold light source of the utility model, due to
Optical fiber light-guiding beam, the first lens group, the second lens group and rotating mechanism, the rotation are additionally provided in cabinet described in the utility model
Mechanism is equipped with filter wheel, and filter wheel is equipped with short wave pass filter and long wave pass filter, and the radiating module is equipped with
LED light module, and the LED light module white light issued and the near infrared light of near-infrared luminous module sending pass through optical fiber light-guiding
Beam passes sequentially through the first lens group, filter wheel and the second lens group after mixing, finally export outside cabinet via light guide bundles socket,
In use, the LED light module issues white light and near-infrared luminous module issues near infrared light, pass through one two
Light is mixed in unification optical fiber light-guiding beam (light-conductive optic fibre) to be combined together, then passes through the first lens group, the work of first lens group
With being to assemble collimation near infrared light and visible light, the light after synthesis is allowed to propagate along central axis, the light after and then collimating
By the filter wheel of rotation, when through short logical wave optical filter on filter wheel, near infrared light will be can be filtered, and being only left can
It is light-exposed；When through long wave pass filter on filter wheel, it is seen that light will can be filtered, and only be left near infrared light, through filtering
The filtered light of halo pass through the second lens group, the effect of second lens group be by by light assemble, then
Cabinet is exported from light guide bundles socket, the utility model overcomes near-infrared and white light interruption in prior art and shines by circuit
On-off is come the technical solution realized, in this way, start-up study is not present for near-infrared luminous module when the utility model is used,
Light source can will not be damaged because of high-frequency on-off, extend service life, the utility model is not only simple in structure, and
Two light source high-frequency interruptions shine and fluorescence imaging is more clear.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the utility model filter wheel；
Fig. 3 is the luminous flow diagram of the utility model；
Fig. 4 is the spectral curve of the utility model short wave pass filter；
Fig. 5 is the spectral curve of the utility model long wave pass filter.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the utility model is further described, but is not limited to
This.
As shown in Fig. 1,2,3,4,5, a kind of fluorescence endoscope cold light source, including cabinet 1, the cabinet 1 is interior to be equipped with circuit
Plate 8, Switching Power Supply 2, filter 3, near-infrared luminous module 4 and LED light module 5, it is the Switching Power Supply 2, filter 3, close
Connecting pin electrical connection corresponding with circuit board 8, the cabinet 1 are equipped with and lead respectively for infraluminescence module 4 and LED light module 5
Light beam socket 6,
Optical fiber light-guiding beam 7, the first lens group 91, the second lens group 92 and rotating mechanism 10 are additionally provided in the cabinet 1,
The rotating mechanism 10 is equipped with filter wheel 101, and filter wheel 101 is equipped with short wave pass filter 102 and long wave
Pass filter 103,
The near infrared light that the white light and near-infrared luminous module 4 that the LED light module 5 issues issue passes through optical fiber light-guiding
Beam 7 passes sequentially through the first lens group 91, filter wheel 101 and the second lens group 92 after mixing, finally export via light guide bundles socket 6
Outside cabinet 1.
As shown in Figure 1, the rotating mechanism 10 includes motor 104, and filter wheel in order to drive filter wheel to rotate
101 are located on the output shaft of motor 104, and the short wave pass filter 102 and long wave pass filter 103 are along filter wheel 101
It is centrosymmetrically arranged, and filter wheel 101 is equipped with and short wave pass filter 102 and the spaced apart gear of long wave pass filter 103
Light area 105.Certainly, it is not limited to this, the rotating mechanism driving filter wheel 101 that can also be taken other form rotates, for example,
Filter wheel rotation is driven by rack pinion by motor.
As shown in Figure 1, in order to carry out convergence collimating effect to light, first lens group 91 includes two lenticulars
Mirror, and two biconvex lens are between filter wheel 101 and optical fiber light-guiding beam 7.
As shown in Figure 1, second lens group 92 includes two biconvex lens in order to play converging action to light,
And two biconvex lens are between light guide bundles socket 6 and filter wheel 101.Certainly, structure is not limited thereto, and described second thoroughly
Microscope group 92 can also select non-spherical lens, equally can play converging action to light.
The wavelength control of near-infrared luminous module 4 described in the utility model is within the scope of 700nm ~ 900nm, but not office
It is limited to the wave band.
As shown in Figure 1, in order to enable 5 good heat dissipation effect of LED light module, the LED light module 5 include radiating module
51, and radiating module 51 is equipped with radiator fan, the radiator fan of the radiating module 51 connecting pin electricity corresponding with circuit board 8
Connection.
Certainly, it is not limited to which this, the LED light module 5 can also be radiated by other structures, for example, institute
State LED light module 5 include radiating module 51, and radiating module 51 have multiple radiating fins, the radiating module 51 it is more
A radiating fin is equipped with the radiation rib being mutually integrated with it.
The LED light module 5 of the utility model can be used above-mentioned one or more combinations and radiate.
Near-infrared luminous module 4 described in the utility model also has radiating module, and the radiating module can be radiator
Either radiator fan.
In order to improve the heat dissipation effect of LED light module 5, the LED light module 5 is fixed on radiating mould by thermal grease
On the lateral wall of block 51.
In order to protect LED light module 5, prevent from rupturing, radiating module 51 described in the utility model is equipped with through-hole
Chip cover board 52, and chip cover board 52 is covered on the outside of LED light module 5, a connector of described 7 one end of optical fiber light-guiding beam
Be fixed on chip cover board 52 by screwing part, and the connector insertion chip cover board 52 through-hole in and with 5 phase of LED light module
It supports.
When the utility model is used, the LED light module 5 issues white light and near-infrared luminous module 4 issues near-infrared
Light is mixed light by a two-in-one optical fiber light-guiding beam (light-conductive optic fibre) and is combined together, then by the first lens group 91, described
The effect of first lens group 91 is to assemble collimation near infrared light and visible light, and the light after synthesis is allowed to propagate along central axis,
And then the light after collimation passes through by the filter wheel 101 of the driving rotation of motor 104, filters when by the short logical wave on filter wheel 101
When mating plate 102, near infrared light will be can be filtered, and only be left visible light；When passing through the long wave pass filter on filter wheel 101
When 103, it is seen that light will can be filtered, and only be left near infrared light, pass through the second lens group by the filtered light of filter wheel 101
92, the effect of second lens group 92 be by by light assemble, then from light guide bundles socket 6 export cabinet 1 outside.
The utility model, which overcomes near-infrared and white light in prior art, to be interrupted the luminous on-off by circuit to realize
Technical solution, in this way, start-up study is not present for near-infrared luminous module when the utility model is used, it will not be because of high frequency
Rate on-off can damage light source, extend service life, and the utility model is not only simple in structure, and two light source high frequencies
Rate interruption shines and fluorescence imaging is more clear.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (9)
1. a kind of fluorescence endoscope cold light source, including cabinet (1), the cabinet (1) is interior to be equipped with circuit board (8), Switching Power Supply
(2), filter (3), near-infrared luminous module (4) and LED light module (5), it is the Switching Power Supply (2), filter (3), close
Infraluminescence module (4) and LED light module (5) connecting pin electrical connection corresponding with circuit board (8) respectively, the cabinet (1)
It is equipped with light guide bundles socket (6),
It is characterized by: being additionally provided with optical fiber light-guiding beam (7), the first lens group (91), the second lens group (92) in the cabinet (1)
With rotating mechanism (10),
The rotating mechanism (10) be equipped with filter wheel (101), and filter wheel (101) be equipped with short wave pass filter (102) and
Long wave pass filter (103),
The near infrared light that the white light and near-infrared luminous module (4) that the LED light module (5) issues issue passes through optical fiber light-guiding
Beam (7) passes sequentially through the first lens group (91), filter wheel (101) and the second lens group (92) after mixing, finally via light guide bundles
Socket (6) exports cabinet (1) outside.
2. fluorescence endoscope cold light source according to claim 1, it is characterised in that: the rotating mechanism (10) includes motor
(104), and filter wheel (101) is located on the output shaft of motor (104), the short wave pass filter (102) and the logical optical filtering of long wave
Piece (103) being centrosymmetrically arranged along filter wheel (101), and filter wheel (101) be equipped with short wave pass filter (102) and
Long wave pass filter (103) spaced apart light-blocking region (105).
3. fluorescence endoscope cold light source according to claim 1, it is characterised in that: first lens group (91) includes two
A biconvex lens, and two biconvex lens are located between filter wheel (101) and optical fiber light-guiding beam (7).
4. fluorescence endoscope cold light source according to claim 1, it is characterised in that: second lens group (92) includes two
A biconvex lens, and two biconvex lens are located between light guide bundles socket (6) and filter wheel (101).
5. fluorescence endoscope cold light source according to claim 1, it is characterised in that: the near-infrared luminous module (4)
Wavelength control is within the scope of 700nm ~ 900nm.
6. fluorescence endoscope cold light source according to claim 1, it is characterised in that: the LED light module (5) includes dissipating
Thermal modules (51), and radiating module (51) is equipped with radiator fan, radiator fan and circuit board (8) of the radiating module (51)
Corresponding connecting pin electrical connection.
7. fluorescence endoscope cold light source according to claim 1 or 6, it is characterised in that: LED light module (5) packet
It includes radiating module (51), and radiating module (51) has multiple radiating fins, multiple radiating fins of the radiating module (51)
It is equipped with the radiation rib being mutually integrated with it.
8. fluorescence endoscope cold light source according to claim 7, it is characterised in that: the LED light module (5) is by dissipating
Hot cream is fixed on the lateral wall of radiating module (51).
9. fluorescence endoscope cold light source according to claim 7, it is characterised in that: the radiating module (51) is equipped with band
The chip cover board (52) of through-hole, and chip cover board (52) is covered on the outside of LED light module (5), the optical fiber light-guiding beam (7)
One connector of one end is fixed on chip cover board (52) by screwing part, and in the through-hole of connector insertion chip cover board (52)
And it offsets with LED light module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213298.4U CN208864269U (en) | 2018-07-30 | 2018-07-30 | A kind of fluorescence endoscope cold light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213298.4U CN208864269U (en) | 2018-07-30 | 2018-07-30 | A kind of fluorescence endoscope cold light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208864269U true CN208864269U (en) | 2019-05-17 |
Family
ID=66463629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821213298.4U Active CN208864269U (en) | 2018-07-30 | 2018-07-30 | A kind of fluorescence endoscope cold light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208864269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305301A (en) * | 2022-03-09 | 2022-04-12 | 杭州康基医疗器械有限公司 | LED medical endoscope fluorescent cold light source |
-
2018
- 2018-07-30 CN CN201821213298.4U patent/CN208864269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114305301A (en) * | 2022-03-09 | 2022-04-12 | 杭州康基医疗器械有限公司 | LED medical endoscope fluorescent cold light source |
| CN114305301B (en) * | 2022-03-09 | 2022-06-17 | 杭州康基医疗器械有限公司 | LED medical endoscope fluorescent cold light source |
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