CN213640819U

CN213640819U - Multi-wavelength dynamic stroboscopic narrow-band dyeing light source device

Info

Publication number: CN213640819U
Application number: CN202022003264.6U
Authority: CN
Inventors: 骆小亮; 赵丽梅
Original assignee: Shenzhen Yayixun Medical Technology Co ltd
Current assignee: Shenzhen Yayixun Medical Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-09
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a multi-wavelength dynamic stroboscopic narrowband dyeing light source device, it provides illumination mode and special spectrum mode, illumination mode is the white light mode, special spectrum mode includes mode A, mode B, mode C, the light source device includes power supply circuit, drive circuit, control circuit, stroboscopic circuit and ray machine engine, power supply circuit and drive circuit, control circuit and ray machine engine electric connection, the stroboscopic circuit, control circuit and drive circuit signal connection, ray machine includes LED subassembly and optical lens, LED subassembly and drive circuit signal connection, the optical lens sets up in the light-emitting port of LED subassembly, the chromatic light behind the optical lens regularly dynamic flashing couples to optic fibre, through adjusting the light-emitting frequency and waiting to observe the position vibration frequency unanimity, corresponding light source special narrowband spectrum wavelength stroboscopic regularly, make observation position show the formation of image display with relative static state action or dynamic mode, is beneficial to doctors to judge diseases in advance and accurately.

Description

Multi-wavelength dynamic stroboscopic narrow-band dyeing light source device

Technical Field

The utility model relates to a medical lighting apparatus technical field especially relates to a multi-wavelength developments stroboscopic narrowband dyeing light source device.

Background

Optical diagnosis is an important part of biomedicine, and diseases are usually examined and analyzed by optical methods. With the technology changing day by day, in the field of endoscopic diagnosis in medical clinic, in the aspect of diagnosing tumor and non-tumor diseases in human body cavity, the conventional common LED white light can be utilized to obviously diagnose diseases with obvious shape and color change, such as ulcer or edema.

However, for the diagnosis of early canceration and tumor diseases, because early canceration and tumor only slightly change their morphology, their colors related to peripheral mucosa are slightly different, flat and abnormal hyperplasia, which can be difficult to detect by doctors, resulting in misdiagnosis or missed diagnosis, and the early detection of pathological changes and treatment of diseases can not be achieved.

Therefore, a multi-wavelength dynamic stroboscopic narrowband dyeing light source device is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

To the defect that above-mentioned prior art exists, the utility model aims to provide a multi-wavelength developments stroboscopic narrowband dyeing light source device solves technical problem such as difficult detection, misdiagnosis and hourglass diagnosis.

In order to achieve the above object, the present invention provides a multi-wavelength dynamic stroboscopic narrowband dyeing light source device, which provides an illumination mode and a special spectrum mode, wherein the illumination mode is a white light mode, the special spectrum mode includes a mode a, a mode B, and a mode C, the light source device includes a power circuit, a driving circuit, a control circuit, a stroboscopic circuit, and a light engine, the power circuit is electrically connected to the driving circuit, the control circuit, and the light engine, the stroboscopic circuit, the control circuit, and the driving circuit are in signal connection, the light engine includes an LED module and an optical lens, the LED module is in signal connection with the driving circuit, the optical lens is disposed at a light outlet of the LED module, and color light passing through the optical lens is regularly subjected to dynamic stroboscopic coupling to an optical fiber, so as to irradiate the part to be observed of the human body.

Further, the LED assembly comprises a purple light LED with the wavelength of 410nm-415nm, a red light LED with the wavelength of 620nm-630nm, a green light LED with the wavelength of 530nm-540nm, a blue light LED with the wavelength of 450nm-460nm and a near infrared light with the wavelength of 780nm-785 nm.

Further, the optical engine further comprises a heat dissipation device, preferably a Mini fan.

Further, the light source device further comprises a key panel and a communication interface, wherein the key panel is connected with the strobe circuit and the control circuit, and the communication interface is connected with the control circuit.

Further, the key panel comprises any one or a combination of a mechanical keyboard and a liquid crystal touch screen.

Further, the key panel is provided with an ON/OFF key, a brightness key, a color key, an addition and subtraction key, a mode key and a setting image discrimination key.

Further, the communication interface is preferably an RS232 serial port.

Further, when a user selects an illumination mode on the key panel, the blue light LED emits a spectrum of 450nm, the green light LED emits a spectrum of 540nm, and the red light LED emits a spectrum of 630nm, the control circuit receives the signal connection of the key panel, and then controls the driving circuit to drive the LED assembly of the optical engine to emit three colors of light, and the three colors of light are homogenized and homogenized by the optical lens to emit white light, and the white light is coupled into the optical fiber and transmitted to a human body part for conventional observation and disease screening.

Further, when a user selects a mode A on the key panel, the purple light LED emits a 415nm spectrum, the blue light LED emits a 450nm spectrum, the green light LED emits a 540nm spectrum, and the red light LED emits a 630nm spectrum, the driving circuit receives the signal connection of the control circuit and the stroboscopic circuit, and then controls the driving circuit to drive the LED component of the light engine to emit four-color light, and after the light is homogenized and homogenized by the optical lens, narrow-band spectrum information under the mode A is emitted, and is regularly and dynamically flashed and coupled to the optical fiber, so that observation and diagnosis can be performed on the part to be observed of the human body.

Further, when a user selects a mode B on the key panel, the purple light LED emits a spectrum of 415nm and the green light LED emits a spectrum of 540nm, the driving circuit receives the signal connection of the control circuit and the stroboscopic circuit, the driving circuit is controlled to drive the LED assembly of the light engine to emit dichromatic light, narrow-band spectrum information under the mode B is emitted after the optical lens is homogenized and homogenized, the spectrum is regularly and dynamically flashed to be coupled to the optical fiber, and observation and diagnosis can be carried out on the prominent blood vessels and the mucous membrane tissue structure of the vocal cord part of the human body to be observed and shaken.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a multi-wavelength developments stroboscopic narrowband dyeing light source device, provide illumination mode and special spectrum mode, illumination mode is the white light mode, special spectrum mode includes mode A, mode B, mode C, this light source device includes power supply circuit, drive circuit, control circuit, stroboscopic circuit and ray machine engine, this power supply circuit and drive circuit, control circuit and ray machine engine electric connection, stroboscopic circuit, control circuit and drive circuit signal connection, the ray machine engine includes LED subassembly and optical lens, LED subassembly and drive circuit signal connection, optical lens sets up in the light-emitting window of LED subassembly, chromatic light behind the optical lens is the flicker coupling to optic fibre of developments regularly, treat the observation position with shining the human body. The white light source meets the color temperature and high color rendering index used by a high-definition electronic endoscope, a gastroscope enteroscope, a laparoscope and a bronchoscope, and is used for endoscopic observation and diagnosis of digestive tract, throat bronchus or early tumor and canceration. Based on the peak light absorption amount of hemoglobin, the special narrow-band spectral wavelengths of the light sources corresponding to the mode A, the mode B and the mode C are regularly stroboscopic by adjusting the light emitting frequency to be consistent with the vibration frequency of the part to be observed, so that the observed part is displayed in an imaging manner in a relatively static slow motion or dynamic manner, and a doctor can judge diseases accurately in advance.

Drawings

Fig. 1 is a schematic block diagram of the structure of the multi-wavelength dynamic stroboscopic narrow-band dyeing light source device of the present invention;

fig. 2 is a further schematic structural diagram of the present invention based on fig. 1;

fig. 3 is a spectral characteristic diagram of the illumination mode of the multi-wavelength dynamic stroboscopic narrow-band dyeing light source device of the present invention;

fig. 4 is a special spectrum characteristic diagram of the multi-wavelength dynamic stroboscopic narrow-band dyeing light source device of the present invention.

Description of reference numerals:

10. a light source device; 11. a power supply circuit; 12. a drive circuit; 13. a control circuit; 14. an optical-mechanical engine; 15. a strobe circuit; 16. a key panel; 17. a communication interface; 141. an LED assembly; 142. an optical lens; 143. a heat sink is provided.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a multi-wavelength dynamic stroboscopic narrowband dyeing light source device 10, which includes a power circuit 11, a driving circuit 12, a control circuit 13, a stroboscopic circuit 15 and an optical engine 14, wherein the power circuit 11 is electrically connected to the driving circuit 12, the control circuit 13, the stroboscopic circuit 15 and the optical engine 14, and is configured to provide a basic working voltage, specifically, the power circuit 11 is an ac-dc conversion circuit, and converts an ac power on the market into a dc power suitable for the light source device, further, the voltage of the ac power is 100V-240V, and the frequency is 50/60 Hz. The dc voltage converted by the ac/dc circuit is 12V, and the 12V voltage generates an adjustable current voltage through the driving circuit 12 to drive the optical engine 14.

The light engine 14 includes an LED assembly 141 and an optical lens 142, the LED assembly 141 is in signal connection with the driving circuit 12 for illuminating, and specifically, the LED assembly 141 is also called an LED diagnostic lamp. Further, the light source device 10 can realize multiple wavelengths, and the LED assembly 141 includes a violet LED having a wavelength of 410nm to 415nm, a red LED having a wavelength of 620nm to 630nm, a green LED having a wavelength of 530nm to 540nm, a blue LED having a wavelength of 450nm to 460nm, a wavelength of 780nm to 785nm, and near infrared light having a wavelength of 780nm to 785 nm. The optical lens 142 is disposed at the light exit of the LED assembly 141, and is used for performing color uniformity, light uniformity and optical path coupling on the color light emitted by the LED assembly 141, and the color light passing through the optical lens 142 is coupled to an externally inserted optical fiber, so that the part of the human body to be observed can be irradiated.

It should be noted that the optical fiber is a prior art product, and the present invention is not described in detail here.

The light engine 14 further comprises a heat sink 143 for the light source device to provide heat dissipation, and particularly, the heat sink 143 is preferably a Mini fan.

The control circuit 13 and the strobe circuit 15 are in signal connection with the driving circuit 12, and are used for controlling the driving circuit 12 to drive the LED assembly 141 to emit light in different modes.

The utility model discloses a multi-wavelength developments stroboscopic narrowband dyeing light source device 10 further includes keypad 16 and communication interface 17, and this keypad 16 and this communication interface 17 all realize signal connection with control circuit 13, stroboscopic circuit 13, and this keypad 16 has multiple key function, can select suitable light emitting mode through keypad 16 artificially. The communication interface 17 is used for connecting with an external image shooting system such as a computer, and is used for communication, and particularly preferably used as an RS232 serial port.

The utility model discloses a multi-wavelength developments stroboscopic narrowband dyeing light source device 10 provides illumination pattern and special spectrum mode. Further, the key panel 16 includes an ON/OFF key for turning ON/OFF the light source, a brightness key for controlling brightness output of the light source, a color key for controlling color output of the light source, an add-drop key for adjusting brightness or color of the light source, a mode key for selectively switching between an illumination mode and a special spectrum mode, and an image discrimination key for image discrimination of the human body part in the special spectrum mode. The key panel 16 may be a mechanical keyboard, or any one or combination of liquid crystal touch screens.

Referring to FIG. 3, the white light emitted in the illumination mode is mainly selected from the combination of blue light with a wavelength of 450nm, green light with a wavelength of 540nm and red light with a wavelength of 630nm, and has good colorability as a cold light source of the observation mirror because the color index is not lower than 90.

Referring to fig. 4, in the special spectrum mode, the observation mirror is applied to irradiate the observation site through the optical fiber, so that the appearance of the abnormal site of the examined mucous membrane is redder, the color information is more vivid, and the red color is changed into bright red color and the white color is changed into clear white color, so as to enhance the color output. The imaging device has the main effects of enhancing the imaging of superficial and deep blood vessels, particularly imaging of fine blood vessels on the surface layer of a highlighted mucous membrane and the structural tissues of the highlighted mucous membrane, and improving the identifiability of early focus parts.

The lighting mode is specifically a white light mode, and is mainly used as a lighting function, a user selects the lighting mode by using a mode key on the key panel 16, the blue light LED, the green light LED and the red light LED emit spectrum signals, specifically, the blue light LED is set to emit a spectrum of 450nm, the green light LED emits a spectrum of 540nm and the red light LED emits a spectrum of 630nm, after the strobe circuit 15 and the control circuit 13 receive the signal connection of the key panel 16, the drive circuit 12 is controlled to drive the LED component 141 of the light engine 14 to emit tricolor light, the white light is emitted after the color homogenization and the light homogenization of the optical lens 142, the white light is coupled to an optical fiber for conventional observation and disease screening, and the lighting effect is obviously improved compared with the common LED white light. Wherein, the color temperature value of the emitted white light ranges from 4500K to 6500K, and preferentially, the color temperature value is 6000K. The optical fiber with the cross section area of 5mm and the length of 2.5m is used for coupling the luminous flux of 1000 lm-1200 lm, and the optical fiber is 1050lm and 1150lm specifically.

The special spectral patterns include mode A, mode B, mode C, and custom mode. The main functions of mode a, mode B and mode C are to enhance and highlight the vessel and mucosal contour structures.

The user uses the ON/OFF key of the key panel 16 to start up, selects the mode A, namely the purple light LED, the blue light LED, the green light LED and the red light LED emit spectrum signals, specifically, the purple light LED emits 415nm spectrum, the blue light LED emits 450nm spectrum, the green light LED emits 540nm spectrum and the red light LED emits 630nm spectrum, the color index is preferably 77.3, after the stroboscopic circuit 15 is connected with the control circuit 13 to receive the signal of the key panel 16, the drive circuit 12 is controlled to drive the LED component 141 of the light engine 14 to emit four colors of light, after the color homogenization and the dodging of the optical lens 142, the narrow-band spectrum information under the mode A is emitted, and the narrow-band spectrum information is regularly and dynamically flashed and coupled to the optical fiber, so that the highlighted mucosal blood vessel can be observed and diagnosed. The optical fiber with the cross section area of 5mm and the length of 2.5m is used, and the coupled luminous flux is 800lm to 850lm, specifically 830 lm.

Likewise, mode B operates differently from mode A in that the spectra emitted by the blue, green and red LEDs are proportionally different for visualization and diagnosis of highlighted mucosal vessels, particularly superficial vessels of the mucosa.

The mode C is different from the mode a in the spectral configuration, that is, the violet LED and the green LED emit spectral signals, specifically, the violet LED emits a spectrum of 415nm and the green LED emits a spectrum of 540nm, after the strobe circuit 15 is connected to the control circuit 13 to receive the signal of the key panel 16, the drive circuit 12 is controlled to drive the LED assembly 141 of the light engine 14 to emit dichroic light, and after the dichroic light passes through the optical lens 142 and is homogenized, the specific spectrum in the mode C is emitted, and after being coupled to the optical fiber, the specific spectrum on the surface and the underlying capillary vessel network of the mucosa can be enhanced, so as to improve the fine shape of the blood vessels on the surface of the mucosa and the morphology of the gastrointestinal mucosa.

The self-defined mode can emit self-defined different wavelength spectrums according to the requirements of users.

To sum up, the utility model discloses a multi-wavelength developments stroboscopic narrowband dyeing light source device 10 has satisfied the colour temperature that high definition electron endoscope, gastroscope enteroscope, peritoneoscope and bronchoscope used, high color rendering index's white light source for the scope is observed and is diagnosed alimentary canal, throat bronchus or early tumour's observation and diagnosis. Based on the peak light absorption amount of hemoglobin, the light source special narrow-band spectrum wavelengths corresponding to the mode A, the mode B and the mode C are stroboscopic regularly, so that the dynamic part to be observed is displayed in an imaging manner in a static slow motion or dynamic manner, and a doctor can judge diseases accurately in advance.

The above description is only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the utility model, or the direct or indirect application in other related technical fields, are included in the patent protection scope of the utility model.

Claims

1. The utility model provides a multi-wavelength developments stroboscopic narrowband dyeing light source device which characterized in that: the light source device comprises a power circuit, a driving circuit, a control circuit, a stroboscopic circuit and an optical engine, wherein the power circuit is electrically connected with the driving circuit, the control circuit and the optical engine, the stroboscopic circuit is in signal connection with the driving circuit, the optical engine comprises an LED assembly and an optical lens, the LED assembly is in signal connection with the driving circuit, and the optical lens is arranged at a light outlet of the LED assembly.

2. The multi-wavelength dynamic stroboscopic narrowband dyeing light source device of claim 1, characterized in that: the LED assembly comprises a purple light LED with the wavelength of 410nm-415nm, a red light LED with the wavelength of 620nm-630nm, a green light LED with the wavelength of 530nm-540nm, a blue light LED with the wavelength of 450nm-460nm and near infrared light with the wavelength of 780nm-785 nm.

3. The multi-wavelength dynamic stroboscopic narrowband dyeing light source device of claim 1, characterized in that: the optical engine further comprises a heat dissipation device which is a Mini fan.

4. The multi-wavelength dynamic stroboscopic narrowband dyeing light source device of claim 1, characterized in that: the light source device further comprises a key panel and a communication interface, wherein the key panel is connected with the stroboscopic circuit and the control circuit, and the communication interface is connected with the control circuit.

5. The multi-wavelength dynamic stroboscopic narrowband dyeing light source device of claim 4, characterized in that: the key panel comprises any one or combination of a mechanical keyboard and a liquid crystal touch screen.

6. The multi-wavelength dynamic stroboscopic narrowband dyeing light source device of claim 5, characterized in that: the key panel is provided with an ON/OFF key, a brightness key, a color key, an addition and subtraction key, a mode key and a setting image distinguishing key.

7. The multi-wavelength dynamic stroboscopic narrowband dyeing light source device of claim 4, characterized in that: the communication interface is an RS232 serial port.