CN202235278U - Mist removing device for endoscope - Google Patents
Mist removing device for endoscope Download PDFInfo
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- CN202235278U CN202235278U CN2011203826814U CN201120382681U CN202235278U CN 202235278 U CN202235278 U CN 202235278U CN 2011203826814 U CN2011203826814 U CN 2011203826814U CN 201120382681 U CN201120382681 U CN 201120382681U CN 202235278 U CN202235278 U CN 202235278U
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Abstract
The utility model relates to a mist removing device for an endoscope. The mist removing device comprises a CPU (Central Processing Unit), a data processing unit, a temperature sensing unit, a heating drive unit, a heating unit and an LED (Light Emitting Diode) constant current source control unit which are arranged in a shell of the endoscope, an output end of the temperature sensing unit is connected with an input end of the CPU through the data processing unit, an output end of the CPU is connected with the heating unit through the heating drive unit, the LED (Light Emitting Diode) constant current source control unit is connected with LEDs, the heating unit and the temperature sensing unit are arranged on an FPC (Flexible Printed Circuit) soft board, and the FPC soft board is adhered to a light transmitting sheet in front of a camera in the shell of the endoscope. With the adoption of the mist removing device, the temperature of the light transmitting sheet can be fast risen to or higher than the body cavity temperature of a human body and kept constant, and the mist preventing effect is very good. The mist removing device has the functions of fast preheating and high-accuracy intelligent constant temperature controlling, effectively reduces the impact of LED lighting on the image quality, the implanting is convenient, the operation is simple, and the infection probability is reduced.
Description
Technical field
This utility model relates to a kind of medical endoscope, relates in particular to a kind ofly to have that intelligent temperature adjusting, thermostatic control, preheating time are short, endoscope's fog-dispelling system of good antifogging effect.
Background technology
Along with domestic attention to medical treatment; Increasing hospital all begins to increase high-end devices and instrument; In order more clearly to observe the state of an illness at some positions of inside of human body, be convenient to treat pointedly, generally use special video-endoscope patient is checked.Position according to inspection is different, and video-endoscope is divided into laryngoscope, asoscope, gastroscope, intestinal mirror and peritoneoscope or the like.General video-endoscope comprises housing and is located at the intravital photographic head of shell and LED luminous tube, along with video-endoscope slowly shift to the human body that will check, under the illumination of LED, get image by the photographic head bat, pass on the monitor outward through transfer wire again.But because the body cavity internal-external temperature difference is bigger, intravital water vapour is very easy to cohesion after running into cold camera lens, thereby forms one deck mist, causes the images displayed definition on display monitor central monitoring system poor.Therefore, the antifog processing of endoscope lens is the problem that must solve in the practical operation.When the camera lens temperature is equal to or higher than the body cavity temperature, advancing mirror just can avoid camera lens to haze.Therefore need heat camera lens, the purpose of camera lens heating is exactly near the temperature the rising camera lens front end in the short time, makes it approaching with the intravital temperature of body cavity, thereby prevents the water vapour cohesion.Used anti-fog method mainly contains chemical antifog method and the antifog method two big classes of physics at present.The antifog method of chemistry is smeared chemical agent (like allusion quotation volt, spray-proof oil or ethanol etc.) exactly with the adhesive force of weakening fog to camera lens on camera lens, but this method zest is big, and many patients' reflections have the sensation that can not tolerate; Or camera lens immersed hot salt brine promoting the camera lens temperature, but this method effect is not lasting, carry camera lens repeatedly and scald and wipe away, and influences operative speed, increases opportunities for contamination in the art yet.The antifog method of physics that adopts at present; Be that the carbon dioxide gas stream that heats is directed to endoscope's sleeve pipe front end; Be injected into lens element sheet outer surface then, the heat of Electric radiant Heating Film generation simultaneously is consistent mirror surface temperature and body cavity temperature, plays antifogging action.But this method, warmer is long preheating time, and thermoregulation is slower, is difficult to reach antifogging action in the short time, and when stopping gas injection, temperature descends at once, antifog weak effect.
Summary of the invention
Anti-fog method or zest that this utility model mainly solves the employing of original endoscope are big, and patient is difficult to accept, or effect is not lasting, inconvenient operation, and easy infection, otherwise thermoregulation is slow, technical problems such as antifog weak effect; A kind of endoscope fog-dispelling system is provided, and its ability rapidly pre-warming camera lens has high-precision intelligent constant-temperature control function, good antifogging effect, and also easy to operate, reduce the infection probability in the operation process.
This utility model solves original endoscope simultaneously because the subzero temperature effect of used LED luminous tube causes LED illumination the images displayed quality to be existed the technical problem of influence; A kind of endoscope fog-dispelling system is provided, and it can be controlled at the LED luminous tube under the rated current, overcomes the subzero temperature effect of LED luminous tube, thereby improves picture quality, makes the doctor more accurate to patient's diagnosis.
The above-mentioned technical problem of this utility model mainly is able to solve through following technical proposals: this utility model comprises is located at the intravital CPU of endoscope's shell, data processing unit, temperature sensing unit, heat driven unit and heating unit; The outfan of temperature sensing unit links to each other with the input of data processing unit; The outfan of data processing unit links to each other with the input of CPU; The outfan of CPU links to each other with the unitary input of heat driven; The unitary outfan of heat driven links to each other with heating unit, and described heating unit and temperature sensing unit all are located on the light transmission piece before the intravital photographic head of described endoscope shell.CPU is generally single-chip microcomputer, and its storage inside has working procedure.Temperature sensing unit is gathered the camera lens temperature in real time; Through the data conversion of data processing unit, the temperature value that collects is flowed to CPU, by the computing and the processing of CPU through internal processes; Output signal to the heat driven unit; Remove to control heating unit by the heat driven unit and begin heating or stop heating, thereby make the temperature of light transmission piece can be climbed to human body body cavity temperature or be higher than human body body cavity temperature and constant, thereby reach ideal anti-fog effect.
Described endoscope fog-dispelling system comprises a slice FPC soft board, and described heating unit and temperature sensing unit all are installed on the described FPC soft board, described FPC soft board stick on described light transmission piece on the one side of photographic head.The shape of FPC soft board and profile can be according to the shape needs customizations of light transmission piece, and it is convenient to transplant, and versatility is good, is fit to use on all kinds of medical video-endoscopes.
Described FPC soft board sticks on the described light transmission piece through double faced adhesive tape.Easy for installation and firm.
Described temperature sensing unit adopts the paster critesistor of negative temperature system, and described heating unit adopts the fixed resistance value heater strip.Volume is little, and control is simple, and precision is high.
Described data processing unit adopts electric voltage frequency converting unit or AD conversion unit.Through the electric voltage frequency converting unit temperature sensing unit is collected and temperature corresponding voltage value converts frequency into, delivers to CPU and handles.Also can adopt AD conversion unit, the magnitude of voltage analog signal conversion is become to give CPU behind the digital signal and handle.
Described heat driven unit adopts the PWM driver element.The PWM driver element can adopt the AO3401 FET, thus the break-make of control heating unit.
Described endoscope fog-dispelling system comprises LED luminous tube constant-current source control unit, described LED luminous tube constant-current source control unit be positioned at the intravital LED luminous tube of endoscope's shell and link to each other.LED luminous tube constant-current source control unit can be controlled at the LED luminous tube under the rated current, overcomes the subzero temperature effect of LED luminous tube, thereby improves picture quality, makes the doctor more accurate to patient's diagnosis.
The beneficial effect of this utility model is: the intelligent temperature through CPU is regulated and thermostatic control, makes the eyeglass temperature of endoscope can be climbed to human body body cavity temperature or is higher than human body body cavity temperature and constant, thereby reach ideal anti-fog effect.The utlity model has rapidly pre-warming, high-precision intelligent thermostatic control function, the heating system low-power consumption is through perfect constant-current source solution; Effectively reduce the influence of LED illumination to picture quality; Through using the FPC soft board, improve versatility, conveniently be transplanted in all kinds of endoscopies; Simple to operate and convenient, effectively reduce the infection probability in the operation process.
Description of drawings
Fig. 1 is a kind of circuit principle structure block diagram of this utility model.
Fig. 2 is that this utility model is installed in a kind of sectional structure sketch map on the photographic head.
Fig. 3 is that this utility model is installed in a kind of sectional structure sketch map in the endoscope of throat.
1. CPU among the figure, 2. data processing unit, 3. temperature sensing unit, 4. heat driven unit; 5. heating unit, 6.LED luminous tube constant-current source control unit, 7.LED luminous tube, 8. endoscope's housing; 9. photographic head, 10. light transmission piece, 11.FPC soft board; 12. pressing plate, 13. fixed supports, 14. control modules.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of this utility model.
Embodiment 1: endoscope's fog-dispelling system of present embodiment, and as shown in Figure 1, comprise CPU 1, data processing unit 2, temperature sensing unit 3, heat driven unit 4, heating unit 5 and LED luminous tube constant-current source control unit 6, LED luminous tube 7.The outfan of temperature sensing unit 3 links to each other with the input of data processing unit 2; The outfan of data processing unit 2 links to each other with the input of CPU 1; In the present embodiment; CPU 1 adopts the MCU single-chip microcomputer, and temperature sensing unit 3 adopts the paster critesistor of negative temperature system, and data processing unit 2 adopts the electric voltage frequency converting unit.The outfan of CPU 1 links to each other with the input of heat driven unit 4, and the outfan of heat driven unit 4 links to each other with heating unit 5, and in the present embodiment, heat driven unit 4 adopts the PWM driver element, and heating unit 5 adopts the fixed resistance value heater strip.Heating unit 5 is installed on a slice FPC soft board 11 with temperature sensing unit 3 is all integrated, and the shape of FPC soft board and profile can be according to the shape customizations of camera lens, and it is convenient to transplant.LED luminous tube constant-current source control unit 6 links to each other with LED luminous tube 7; In the present embodiment; LED luminous tube constant-current source control unit 6 adopts the LED temperature-compensating to use critesistor; This critesistor is the critesistor with positive temperature coefficient, can make the constant 20mA of being operated in of each LED luminous tube and eliminates the negative temperature characteristic of LED.
Present embodiment is installed in the endoscope, in order to help explanation, is example with endoscope of throat; Like Fig. 2, shown in Figure 3, the end of endoscope's housing 8 is pressing plates 12 of an inclination, is convenient to import throat; A fixed support 13 is installed in endoscope's housing 8, and fixed support 13 is positioned at the upper end of pressing plate 12 and the junction of endoscope's housing 8, and photographic head 9 is installed on the fixed support 13; The place ahead of photographic head 9 is a light transmission piece 10; FPC soft board 11 through double faced adhesive tape stick on light transmission piece 10 on the one side of photographic head 9, LED luminous tube 7 is installed on the luminous tube sheet of LED, the luminous tube sheet of LED is installed between photographic head 9 and the FPC soft board 11.CPU 1, data processing unit 2, heat driven unit 4 and LED luminous tube constant-current source control unit 6 integrated being installed on the control module 14; Control module 14 places in endoscope's housing 8; Control module is passed through fixedly seated connection power supply of electric current pin, and the control module outfan links to each other with FPC soft board, the luminous tube sheet of LED respectively through lead.
Work process: temperature sensing unit is gathered the camera lens temperature in real time; Data conversion through data processing unit; The temperature value that collects is flowed to CPU; By computing and the processing of CPU through internal processes, output signal to the heat driven unit, remove to control heating unit by the heat driven unit and begin heating or stop heating.
This utility model can make the eyeglass temperature of endoscope rise to human body body cavity temperature in 30S or be higher than human body body cavity temperature and constant, temperature accuracy ± 0.5 ℃, thus reach ideal anti-fog effect.The utlity model has rapidly pre-warming, high-precision intelligent thermostatic control function, the heating system low-power consumption is through perfect constant-current source solution; Reduce the influence of LED illumination to picture quality; Through using the FPC soft board, improve versatility, conveniently be transplanted in all kinds of endoscopies; Simple to operate and convenient, effectively reduce the infection probability in the operation process.
Claims (7)
1. endoscope's fog-dispelling system; It is characterized in that comprising CPU (1), data processing unit (2), temperature sensing unit (3), heat driven unit (4) and the heating unit (5) be located in endoscope's housing (8); The outfan of temperature sensing unit (3) links to each other with the input of data processing unit (2); The outfan of data processing unit (2) links to each other with the input of CPU (1); The outfan of CPU (1) links to each other with the input of heat driven unit (4); The outfan of heat driven unit (4) links to each other with heating unit (5), and described heating unit (5) and temperature sensing unit (3) all are located on the preceding light transmission piece (10) of the interior photographic head (9) of described endoscope housing (8).
2. endoscope according to claim 1 fog-dispelling system; It is characterized in that comprising a slice FPC soft board (11); Described heating unit (5) and temperature sensing unit (3) all are installed on the described FPC soft board (11), described FPC soft board (11) stick on described light transmission piece (10) on the one side of photographic head (9).
3. endoscope according to claim 2 fog-dispelling system is characterized in that described FPC soft board (11) sticks on the described light transmission piece (10) through double faced adhesive tape.
4. according to claim 1 or 2 or 3 described endoscope fog-dispelling systems, it is characterized in that described temperature sensing unit (3) adopts the paster critesistor of negative temperature system, described heating unit (5) adopts the fixed resistance value heater strip.
5. according to claim 1 or 2 or 3 described endoscope fog-dispelling systems, it is characterized in that described data processing unit (2) adopts electric voltage frequency converting unit or AD conversion unit.
6. according to claim 1 or 2 or 3 described endoscope fog-dispelling systems, it is characterized in that described heat driven unit (4) adopts the PWM driver element.
7. according to claim 1 or 2 or 3 described endoscope fog-dispelling systems; It is characterized in that comprising LED luminous tube constant-current source control unit (6), described LED luminous tube constant-current source control unit (6) links to each other with the LED luminous tube (7) that is positioned at endoscope's housing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203826814U CN202235278U (en) | 2011-10-10 | 2011-10-10 | Mist removing device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203826814U CN202235278U (en) | 2011-10-10 | 2011-10-10 | Mist removing device for endoscope |
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| Publication Number | Publication Date |
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| CN202235278U true CN202235278U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203826814U Expired - Lifetime CN202235278U (en) | 2011-10-10 | 2011-10-10 | Mist removing device for endoscope |
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| CN (1) | CN202235278U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103356173A (en) * | 2013-06-09 | 2013-10-23 | 黄嘉华 | Miniaturized handheld tongue picture acquisition device and method for atomization prevention of isolation lens |
| CN104640494A (en) * | 2013-03-19 | 2015-05-20 | 奥林巴斯医疗株式会社 | Endoscope |
| CN104688171A (en) * | 2015-02-13 | 2015-06-10 | 浙江省人民医院 | Special endoscope surface demister for endoscopic surgery |
| CN104918533A (en) * | 2013-01-04 | 2015-09-16 | 奥林巴斯株式会社 | Endoscope fogging prevention system and endoscope fogging prevention method |
| CN105007799A (en) * | 2013-02-15 | 2015-10-28 | 奥林巴斯株式会社 | Heater unit for preventing fogging of endoscope, and endoscope |
| CN106419806A (en) * | 2016-11-28 | 2017-02-22 | 苏州博习医疗科技有限公司 | Endoscope with preposed CMOS camera |
| CN106880381A (en) * | 2017-03-17 | 2017-06-23 | 陕西省人民医院 | A kind of clipping laparoscope of camera lens with temperature control anti-fog function |
| CN117958720A (en) * | 2024-01-31 | 2024-05-03 | 南京诺源医疗器械有限公司 | Endoscope control device and method for automatically defogging |
-
2011
- 2011-10-10 CN CN2011203826814U patent/CN202235278U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918533A (en) * | 2013-01-04 | 2015-09-16 | 奥林巴斯株式会社 | Endoscope fogging prevention system and endoscope fogging prevention method |
| CN104918533B (en) * | 2013-01-04 | 2017-04-19 | 奥林巴斯株式会社 | Endoscope fogging prevention system and endoscope fogging prevention method |
| CN105007799A (en) * | 2013-02-15 | 2015-10-28 | 奥林巴斯株式会社 | Heater unit for preventing fogging of endoscope, and endoscope |
| CN105007799B (en) * | 2013-02-15 | 2017-04-05 | 奥林巴斯株式会社 | The fog of endoscope is prevented with unit heater and endoscope |
| CN104640494A (en) * | 2013-03-19 | 2015-05-20 | 奥林巴斯医疗株式会社 | Endoscope |
| CN104640494B (en) * | 2013-03-19 | 2016-08-31 | 奥林巴斯株式会社 | Endoscope apparatus |
| CN103356173A (en) * | 2013-06-09 | 2013-10-23 | 黄嘉华 | Miniaturized handheld tongue picture acquisition device and method for atomization prevention of isolation lens |
| CN104688171A (en) * | 2015-02-13 | 2015-06-10 | 浙江省人民医院 | Special endoscope surface demister for endoscopic surgery |
| CN106419806A (en) * | 2016-11-28 | 2017-02-22 | 苏州博习医疗科技有限公司 | Endoscope with preposed CMOS camera |
| CN106880381A (en) * | 2017-03-17 | 2017-06-23 | 陕西省人民医院 | A kind of clipping laparoscope of camera lens with temperature control anti-fog function |
| CN117958720A (en) * | 2024-01-31 | 2024-05-03 | 南京诺源医疗器械有限公司 | Endoscope control device and method for automatically defogging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG UE MEDICAL CORP. Free format text: FORMER NAME: TTAIZHOU HANCHUANG MEDICAL INSTR TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 317300, Taizhou, Zhejiang province Xianju County Fuk Street Zhou Yantou Pro Creek Road, No. 153 Patentee after: ZHEJIANG UE MEDICAL CORP. Address before: Hi Tech Park Road West Three Street, Xianju County, Taizhou City, Zhejiang province 317300 Patentee before: Zhejiang Taizhou Hanchuang Medical Apparatus Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |