CN111904365A - Non-contact rapid anti-fog device for medical endoscope and use method - Google Patents
Non-contact rapid anti-fog device for medical endoscope and use method Download PDFInfo
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- CN111904365A CN111904365A CN202010767335.1A CN202010767335A CN111904365A CN 111904365 A CN111904365 A CN 111904365A CN 202010767335 A CN202010767335 A CN 202010767335A CN 111904365 A CN111904365 A CN 111904365A
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- heating
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- temperature
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- fog device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/127—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements with means for preventing fogging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00142—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with means for preventing contamination, e.g. by using a sanitary sheath
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/128—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for regulating temperature
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
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- Radiology & Medical Imaging (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a non-contact rapid anti-fog device for a medical endoscope and a using method thereof, wherein the non-contact rapid anti-fog device comprises the following components: the heating cabin comprises a shell, a heating cabin body and a power cabin, wherein the shell comprises a top shield, a top shield cover used for fixing the top shield, a cabin shield capable of protecting the heating cabin and the power cabin, and a bottom shield tightly closing the connecting position of the top shield and the cabin shield; a heating assembly and a power supply cabin are arranged in the shell; heating element includes the heating cabin, and the equipartition is in a plurality of heating plate of heating cabin inner wall to and place in the heating cabin and the outside lens cone of putting of intercommunication, the outside department of intercommunication that should put the lens cone is provided with the detection sensor, and the thing is stretched into in this detection sensor response, can make the heating plate heating put the lens cone and reach fast and predetermine antifog temperature range. The invention adopts a hot air convection heating method, has better antifogging effect, reduces power supply loss by adopting a double-cylinder separation design, works at a more proper temperature, prolongs the service life and saves the operation time.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a non-contact rapid anti-fog device for a medical endoscope and a using method thereof.
Background
With the popularization of minimally invasive surgery and the increase of demand, endoscopes are used as medical instrument auxiliary articles which are necessary in minimally invasive surgery, such as 'eyes' of doctors in the surgery. The current endoscope structure consists of a bendable part, a light source and a group of lenses. In use, the endoscope lens is passed through a natural passage of the body, or through a small surgically created incision, into the body. Since the endoscope can be introduced into the organ to be examined, the change of the relevant part can be directly observed. Therefore, the quality of the image of the lens of the endoscope directly affects the using effect of the endoscope and also marks the development level of the endoscope technology. In the operation of the medical endoscope, because the ambient temperature is lower than the temperature in the human body, when the cold endoscope enters the warm and humid human body, the temperature difference can instantly cause the water vapor to generate water mist which influences the imaging on the lens. Therefore, the antifogging effect of the endoscope lens is good or bad, which is directly related to the success or failure of the operation.
The invention discloses an endoscope defogging device with a publication number of 209611078, wherein a quartz tube is placed in a heat dissipation fixing tube, and a heating element is used for heating and defogging the endoscope, so that a defogging effect can be well achieved. The invention discloses an endoscope defogging device with publication number CN110292348A, which uses a heating sheet close to a cleaning bottle for heating, uses the cleaning bottle and an ultrasonic vibrator for cleaning in a matching way, can achieve a certain defogging effect, and cleans surgical equipment. The equipment has the defects that the equipment is complex to install and complex to operate, the equipment is heated in the cleaning bottle, the heating speed is low, more intraoperative time is occupied, and the equipment can generate disposable consumables, so that the operation cost is increased.
The defects of the prior art are as follows: the device is bulky, and the installation is complicated, uses the fixed pipe of heat dissipation, and the back heat dissipation is accomplished in the heating, and the next heating needs 15 seconds, or heats in wasing the bottle, and rate of heating is slow, has all taken more time in the art. And can create a disposable consumable, adding to the cost of the procedure. Or the lens is coated with organic iodine solvent, so that the visual field is yellow after multiple use, and the lens is damaged.
Disclosure of Invention
The invention aims to provide a non-contact rapid anti-fog device for a medical endoscope and a using method thereof, which can rapidly heat the medical endoscope in a non-contact manner and save operation time. To solve the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme:
a medical device quick anti-fog device, comprising:
the heating device comprises a shell, a heating module and a power supply cabin, wherein the heating module and the power supply cabin are arranged in the shell;
heating element includes the heating cabin, and the equipartition is in a plurality of heating plate of heating cabin inner wall to and place in the heating cabin and the outside lens cone of putting of intercommunication, the outside department of intercommunication that should put the lens cone is provided with the detection sensor, and the thing is stretched into in this detection sensor response, can make the heating plate heating put the lens cone and reach fast and predetermine antifog temperature range.
Preferably, the housing comprises a top shield, a top shield cover for fixing the top shield, a cabin shield capable of protecting the heating cabin and the power cabin, and a bottom shield sealing a connecting position of the top shield and the cabin shield.
Preferably, a cabin fixing cavity is arranged in the shell, one outer side of the cabin fixing cavity is fixed to the power supply cabin, the other outer side of the cabin fixing cavity is fixedly connected to the heating cabin, and a lens barrel placing wall in the heating cabin is provided with a temperature detection sensor for monitoring real-time temperature in the lens barrel.
Preferably, a circuit protection unit is arranged in the cabin fixing cavity and is in signal connection with the temperature detection sensor.
Preferably, the detection sensor adopts a magnetoelectric annular metal detection sensor, and can detect whether the extending object is a medical instrument for in vivo exploration.
Preferably, the heating sheet is a PTC thermistor sheet, and performs non-contact permanent heating on the lens placing barrel, and a temperature gradient field is formed.
Preferably, the heating time and power are optimally controlled according to the temperature gradient field formed by the lens placing barrel.
Preferably, the preset antifogging temperature range is set to 25 ℃ to 120 ℃.
Preferably, the temperature range is lower than 25 ℃, the power is increased for heating, the temperature range is higher than 45 ℃, and the power is reduced for constant-temperature heating.
A use method of a medical endoscope non-contact rapid anti-fog device is applied to the medical endoscope non-contact rapid anti-fog device, and the specific method comprises the following steps:
detecting and judging the type of the inserted object by a detection sensor, and collecting feedback timing information;
the temperature detection sensor monitors real-time temperature information and feeds the temperature information back to the circuit protection unit;
the circuit protection unit is used for heating by judging the temperature, increasing the power if the temperature is lower, and reducing the power if the temperature is higher to perform constant temperature heating for a long time;
the circuit protection unit detects whether the circuit is in an abnormal state or not and feeds back circuit abnormal information.
The invention has the beneficial effects that:
1. through utilizing the air convection principle to carry out non-contact rapid heating, the endoscope stretches into the heating chamber and can heat to predetermineeing the temperature range for 5 seconds, reaches the defogging effect, has reduced the required time in the art, and heating efficiency is high, and can not touch the endoscope, causes extra pollution.
2. The circuit protection unit is designed, so that the heating cabin can keep constant temperature for a long time and keep in a preset temperature range, and the endoscope can be heated at any time.
3. Set up the casing safety cover, dismantled and assembled disinfection for parcel equipment reduces equipment and external contact, reduces the risk that equipment is polluted by the bacterium in the air before the art of art.
4. And calibrating the temperature gradient inside the lens barrel by using the temperature gradient field principle. And calculating corresponding temperature distribution gradient according to a gradient test, calculating a real-time temperature range of the endoscope by deploying a temperature detector in the heating cavity and according to the real-time temperature of a certain point detected by the temperature detector and the temperature distribution data of a temperature gradient field, so as to accurately control the heating time and power, match the power of a heat source with the heating condition, and heat the lens of the endoscope to a preset temperature range within corresponding rated time.
5. Utilize the pilot lamp to remind the condition that the stretching into condition, the heating condition and the equipment itself of medical staff endoscope probably appear, simple swift, the operation of being convenient for to avoided leading to the overheated or insufficient condition of heating because of subjective judgement.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of a heating chamber of the present invention;
FIG. 4 is a schematic layout of temperature test points of the heating chamber of the present invention;
FIG. 5 is a first calibration curve of the temperature gradient field in the heating chamber according to the present invention;
FIG. 6 is a second calibration curve of the temperature gradient field in the heating chamber according to the present invention;
fig. 7 is a third calibration curve of the temperature gradient field in the heating chamber according to the present invention.
In the figure: 1. a housing; 11. a top guard cover; 12. a top shield; 13. a bottom shield; 14. a cabin shield; 2. a heating assembly; 21. a heating compartment; 22. placing a lens barrel; 23. a heating plate; 3. a power supply compartment; 4. a detection sensor; 40. a temperature detection sensor; 5. a cabin body fixing cavity; 6. a circuit protection unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a medical instrument rapid anti-fog device comprises a shell 1, a heating assembly 2 and a power supply cabin 3;
the first embodiment is as follows: referring to fig. 1-3, in the present embodiment, the housing 1 includes a top shield 12, a top shield cover 11 for fixing the top shield 12, a cabin shield 13 capable of protecting the heating element 2 and the power cabin 3, and a bottom shield 13 for sealing a connection position of the top shield 12 and the cabin shield 14.
The heating assembly 2 comprises a heating cabin 21, a plurality of heating sheets 23 uniformly distributed on the inner wall of the heating cabin 21, a lens barrel 22 arranged in the heating cabin 21 and communicated with the outside, a detection sensor 4 is fixed at the outside of the communication of the lens barrel 22, and the detection sensor 4 inducts an object to be stretched, so that the heating sheets 23 can heat the lens barrel 22 to quickly reach a preset anti-fog temperature range. The preset antifogging temperature range is set to 25 ℃ to 120 ℃. The temperature range is lower than 25 ℃, the power is increased for heating, the temperature range is higher than 45 ℃, and the power is reduced for constant-temperature heating.
The top cover 12 of the present embodiment is provided with an indicator lamp for indicating the operating state: when the heating cabin 21 works normally, the indicator lamp is turned off; when the heating cabin 21 starts to heat, the indicator lamp is normally on; when the heating is completed, the indicator lamp is turned off; when the electric quantity is not enough, the indicator light slowly flashes, and a power switch for control is also arranged at the same time.
The second embodiment is as follows: referring to fig. 1-2, a cabin fixing cavity 5 is disposed inside the housing 1, one outer side of the cabin fixing cavity 5 is fixedly connected to the power supply cabin 3, the other outer side of the cabin fixing cavity is fixedly connected to the heating cabin 21, a temperature detecting sensor 40 is disposed on a wall of the lens barrel 22 in the heating cabin 21 for monitoring a real-time temperature in the lens barrel 22, and a circuit protection unit 6 is disposed in the cabin fixing cavity 5 and is in signal connection with the temperature detecting sensor 40. The heating cabin 21 and the power supply cabin 3 are designed in a double-cylinder separating mode, and the high-temperature influence of heating in the heating cabin 21 on the power supply of the power supply cabin 3 is avoided when the device works.
The protection mechanism of the circuit protection unit 6 of the present embodiment is: when the temperature in the lens barrel 22 is lower than 25 ℃, the power supply is increased, and the lens barrel 22 is heated; when the temperature in the stone lens barrel 22 is higher than 45 ℃, the power supply power is reduced, the heating is carried out at constant temperature, the energy consumption is reduced, and the safety of the circuit is protected.
The third concrete implementation mode: referring to fig. 1-2, the detecting sensor 4 in this embodiment is a magnetoelectric annular metal detecting sensor, which can detect whether an object is a medical instrument for probing in vivo. By adjusting the sensitivity and the action pulse width, the endoscope and other interferents can be sensitively distinguished. Wherein the protrusion may be an endoscope, a medical instrument for exploring the inside of a living body, and the like. And meanwhile, the endoscope monitoring device is used for monitoring the conditions inside the endoscope, including the stretching-in, leaving and staying time of the endoscope, and feeding back and controlling the indicator lamp to prompt according to the conditions.
The fourth concrete implementation mode: referring to fig. 2 to 7, the heating sheet 23 in the present embodiment is a PTC thermistor sheet, and the opposing barrel 22 is heated in a non-contact manner for a long time, and a temperature gradient field is formed.
The heating time and power are optimally controlled according to the temperature gradient field formed around the lens barrel 22 in the present embodiment. By utilizing the temperature gradient field principle and experimental data obtained by a gradient test, the corresponding temperature distribution gradient is calculated, so that the heating time and power are accurately controlled, the heat source power is matched with the heating condition, and the endoscope lens is heated to a preset temperature range within the corresponding rated time. Three PTC thermistor pieces are supplied with power by a power supply in the power supply cabin 3, the lens cone 22 is arranged oppositely for heating, the temperature in the cavity is rapidly increased by utilizing the air convection principle, the temperature reaches 120 ℃ within two minutes, at the moment, the endoscope stably extends into the lens cone 22, under the non-contact condition, the rapid heating is realized by air microcirculation, the temperature is increased to 45 ℃ within 5 seconds, and the antifogging function is realized by slightly being higher than the internal temperature.
Example two: a use method of a medical endoscope non-contact rapid anti-fog device is applied to the medical endoscope non-contact rapid anti-fog device, and the specific method comprises the following steps:
the detection sensor judges whether the type of an object inserted into the lens barrel is an endoscope or not through detection, starts timing and collects feedback timing information;
the temperature detection sensor can monitor real-time temperature information in the heating cabin and feed the temperature information back to the circuit protection unit;
the circuit protection unit is used for heating by judging the temperature, increasing the power if the temperature is lower, and reducing the power if the temperature is higher to perform constant temperature heating for a long time;
the circuit protection unit detects whether the circuit is in an abnormal state or not and feeds back circuit abnormal information.
The working process of the invention is as follows:
firstly, a top shield cover 11 for fixing a top shield 12 is unscrewed, a power switch is pressed after the top shield cover is electrified, and the equipment starts to work; when carrying out antifogging to the endoscope, steadily put into the endoscope through annular metal detection sensor and put lens cone 22 in, heat through the air convection principle intraductally, the pilot lamp is bright when the endoscope heating is accomplished, takes out the endoscope, and the pilot lamp goes out, heats antifog the completion, and the endoscope temperature is a little higher than the internal temperature of human body this moment, reaches antifog function. When the use is finished, the power switch is turned off, the device is disinfected, cleaned and dried, then the top shield 12 is covered, and the top shield cover 11 is used for fixing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A medical endoscope non-contact rapid anti-fog device is characterized by comprising:
the device comprises a shell (1), a heating assembly (2) and a power supply cabin (3) are arranged in the shell;
heating element includes heating cabin (21), and a plurality of heating plate (23) of equipartition at heating cabin inner wall to and place in heating cabin and intercommunication outside put lens cone (22), should put the outside department of intercommunication of lens cone and be provided with detection sensor (4), should detect the sensor response and stretch into the thing, can make the heating plate heating put the lens cone and reach fast and predetermine antifog temperature range.
2. The medical endoscope non-contact rapid anti-fog device according to claim 1, characterized in that the housing comprises a top shield (12), a top shield cover (11) for fixing the top shield, a cabin shield (14) capable of protecting the heating cabin and the power cabin, and a bottom shield (13) sealing the connection position of the top shield and the cabin shield.
3. The medical endoscope non-contact rapid anti-fog device according to claim 1, wherein a cabin body fixing cavity (5) is disposed inside the housing, one outer side of the cabin body fixing cavity is fixed to the power supply cabin, the other outer side of the cabin body fixing cavity is fixedly connected to the heating cabin, and a wall of the lens placing barrel inside the heating cabin is provided with a temperature detection sensor (40) for monitoring a real-time temperature inside the lens placing barrel.
4. The medical endoscope non-contact rapid anti-fog device as claimed in claim 3, characterized in that a circuit protection unit (6) is arranged in the cabin body fixing cavity and is in signal connection with the temperature detection sensor.
5. The medical endoscope non-contact rapid anti-fog device as claimed in claim 1, wherein the detection sensor is a magnetoelectric annular metal detection sensor capable of detecting whether the object is a medical instrument for in vivo exploration.
6. The medical endoscope non-contact rapid anti-fog device according to claim 1, wherein the heating sheet is a PTC thermistor sheet, and the lens placing barrel is subjected to non-contact permanent heating and is formed with a temperature gradient field.
7. The medical endoscope non-contact rapid anti-fog device as claimed in claim 6, wherein the heating time and power are optimally controlled according to the temperature gradient field formed by the lens placing barrel.
8. The medical endoscope non-contact rapid anti-fog device according to claim 1, wherein the preset anti-fog temperature range is set to 25 ℃ to 120 ℃.
9. The non-contact rapid antifogging device for medical endoscope according to claim 8, wherein the preset antifogging temperature range is set to 25 ℃ to 120 ℃, wherein the temperature range is lower than 25 ℃, the power is increased for heating, the temperature range is higher than 45 ℃, and the power is reduced for constant temperature heating.
10. The use method of the medical endoscope non-contact rapid anti-fog device is characterized by being applied to the medical endoscope non-contact rapid anti-fog device as claimed in any one of claims 1 to 9, and the specific method comprises the following steps:
detecting and judging the type of the inserted object by a detection sensor, and collecting feedback timing information;
the temperature detection sensor monitors real-time temperature information and feeds the temperature information back to the circuit protection unit;
the circuit protection unit judges the temperature, if the temperature is lower, the power is increased for heating, if the temperature is higher,
reducing the power and carrying out permanent constant-temperature heating;
the circuit protection unit detects whether the circuit is in an abnormal state or not and feeds back circuit abnormal information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767335.1A CN111904365A (en) | 2020-08-03 | 2020-08-03 | Non-contact rapid anti-fog device for medical endoscope and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010767335.1A CN111904365A (en) | 2020-08-03 | 2020-08-03 | Non-contact rapid anti-fog device for medical endoscope and use method |
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| CN111904365A true CN111904365A (en) | 2020-11-10 |
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| CN202010767335.1A Pending CN111904365A (en) | 2020-08-03 | 2020-08-03 | Non-contact rapid anti-fog device for medical endoscope and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515617A (en) * | 2020-11-24 | 2021-03-19 | 上海圭革智能传感技术有限公司 | Endoscope defogging device and endoscope system |
-
2020
- 2020-08-03 CN CN202010767335.1A patent/CN111904365A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515617A (en) * | 2020-11-24 | 2021-03-19 | 上海圭革智能传感技术有限公司 | Endoscope defogging device and endoscope system |
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