CN212465942U - Non-contact quick anti-fog device for medical endoscope - Google Patents

Abstract

The utility model discloses a quick anti-fog device of medical endoscope non-contact, include: 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 utility model discloses a hot-air convection heating method, antifog effect is better, adopts the binocular to separate the design again and reduces power loss, works under more suitable temperature, increases the life-span, saves the operation time.

Description

Non-contact quick anti-fog device for medical endoscope

Technical Field

The utility model relates to the field of medical equipment, specifically relate to a quick anti-fogging device of medical endoscope non-contact.

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 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick anti-fogging device of medical endoscope non-contact can carry out quick non-contact heating to medical endoscope, saves the operation time. To solve the problems set forth in the background art described above.

In order to achieve the above object, the utility model provides a following technical scheme:

a medical endoscope non-contact rapid 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 temperature detection sensor is arranged on the wall of the lens barrel in the heating cabin and used for monitoring the real-time temperature in the lens barrel.

Preferably, a circuit protection unit is arranged in the shell and is in signal connection with the temperature detection sensor.

Preferably, the detection sensor is a magnetoelectric annular metal detection sensor.

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 preset antifogging temperature range is set to 25 ℃ to 120 ℃.

The utility model has the advantages 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 work.

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 the heating chamber of the present invention;

fig. 4 is a schematic layout view of the 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 of the present invention;

fig. 6 is a second calibration curve of the temperature gradient field in the heating chamber of the present invention;

fig. 7 is a third calibration curve of the temperature gradient field in the heating chamber of 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 circuit protection unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-3, in the present embodiment, a non-contact fast anti-fog device for a medical endoscope includes a housing 1, a heating assembly 2 and a power supply compartment 3;

the housing 1 includes a top shield 12, a top shield cover 11 for fixing the top shield 12, a compartment shield 13 capable of protecting the heating module 2 and the power supply compartment 3, and a bottom shield 13 closing a position where the top shield 12 is connected to the compartment 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 is disposed inside the housing 1, one outer side of the cabin fixing cavity 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 detection 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 and in signal connection with the temperature detection 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 5 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.

The utility model discloses a working process:

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 (7)

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 as claimed in claim 1, wherein the tube wall of the lens placing barrel in the heating chamber is provided with a temperature detection sensor (40) for monitoring the real-time temperature in 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 housing 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.

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 according to claim 1, wherein the preset anti-fog temperature range is set to 25 ℃ to 120 ℃.

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