CN216294745U - Medical instrument sterilization processing system - Google Patents

Abstract

The utility model discloses a medical instrument sterilization treatment system which comprises a cabinet body and a sterilization bin arranged in the cabinet body, wherein a bin door used for sealing an opening of the sterilization bin is arranged on the cabinet body, and the cabinet body is provided with a heating module used for heating the sterilization bin, a steam module used for humidifying medical instruments in the sterilization bin, a sterilization module used for sterilizing the medical instruments in the sterilization bin and an analysis module used for analyzing the sterilization bin. The utility model is convenient to use, improves the working efficiency and the resource utilization rate, and avoids resource waste.

Description

Medical instrument sterilization processing system

Technical Field

The utility model relates to the field of sterilization equipment, in particular to a medical instrument sterilization treatment system.

Background

Currently, medical devices are widely sterilized using ethylene oxide. Ethylene oxide (EO for short) is a flammable and explosive toxic gas, is easily volatilized into a gas at room temperature, and can cause explosion when the concentration is too high.

Potential safety hazards are easy to appear in the EO sterilization process, and even the environment pollution is caused. Therefore, the exhaust gas generated during EO sterilization needs to be purified, thereby ensuring the safety of the exhaust gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical instrument sterilization treatment system which improves the working efficiency and avoids environmental pollution.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model provides a medical instrument sterilization processing system, includes the cabinet body and sets up in the internal sterilization storehouse of cabinet, installs the open-ended door that is used for sealing the sterilization storehouse on the cabinet body, be equipped with on the cabinet body and be used for carrying out the intensification module that heaies up, be used for carrying out the steam module of humidification to medical instrument in the sterilization storehouse, be used for carrying out the sterilization module that sterilizes and be used for carrying out analytic module to the sterilization storehouse to medical instrument in the sterilization storehouse, the sterilization module includes air pump and gas holder, and ethylene oxide gas is equipped with in the gas holder, and the gas outlet of gas holder is linked together with the air inlet of air pump, and the gas outlet of air pump is linked together and installs first solenoid valve on the pipeline between the two with the air inlet in sterilization storehouse. The analysis module comprises a vacuum pump, a purification box, a recovery tank, a rotary spraying device and a filter box, wherein an air inlet of the vacuum pump is communicated with an air outlet of the sterilization bin, a second electromagnetic valve is arranged on a pipeline between the air inlet of the vacuum pump and the air outlet of the sterilization bin, a pressure sensor is arranged in the sterilization bin, the air outlet of the vacuum pump is communicated with an air inlet of the purification box, a plurality of active carbon filter plates which are arranged in parallel at equal intervals are fixed in the purification box, the air outlet of the purification box is communicated with an external space, a spray head of the rotary spraying device is fixed on the inner wall surface of the top surface of the purification box, a plurality of through holes are formed in the bottom surface of the purification box, the recovery tank is of a cavity structure with an open top end, the recovery tank is positioned under the through holes, the filter box is of a hollow structure with two open ends, a plurality of filter screens are fixed in the hollow space of the filter box, an air inlet fan is arranged at the air inlet of the filter box, and a third electromagnetic valve is arranged on a pipeline between the air outlet of the filter box and the air inlet of the sterilization bin, the cabinet body is provided with a controller, and the air pump, the first electromagnetic valve, the vacuum pump, the second electromagnetic valve, the pressure sensor, the air inlet fan and the third electromagnetic valve are all electrically connected with the controller. During the use, put into sterilization storehouse with medical instrument and close the door, rise the temperature of sterilization storehouse inner space to setting for numerical value through the intensification module after that, improve the interior humidity of sterilization storehouse to setting for numerical value through the steam module simultaneously, thereby accomplish the intensification and the humidification processing to medical instrument in the sterilizer, then open first solenoid valve, through the air pump with the gaseous input of ethylene oxide in the gas holder in the sterilization storehouse, until sterilization storehouse internal pressure rise to setting for numerical value, open the second solenoid valve afterwards, through the interior gas of vacuum pump extraction sterilization storehouse and carry to the purifying box after, open the third solenoid valve, through admitting air the fan with outside air input in the sterilization storehouse, thereby realize bleeding and the analytic processing of mode of taking a breath sterilization storehouse. In-process that the vacuum pump will disinfect the interior gas of storehouse and carry to the purifying box, because the active carbon is the non-polar adsorbent, ethylene oxide is non-polar organic compound for the ethylene oxide in the waste gas that the active carbon filter can adsorb to get into the purifying box in, rotatory spray set's shower nozzle sprays water, make ethylene oxide in the waste gas and the ethylene oxide that adsorbs on the active carbon filter dissolve in aquatic and generate ethylene glycol through water and reaction, the recovery pond is retrieved the washing waste liquid that drops by the action of gravity simultaneously. In the process that the outside air enters the sterilization bin through the filter box, the filter screen filters the outside air.

As a further improvement of the technical scheme, the temperature rising module comprises a heater and a temperature sensor, a water storage space is arranged between the sterilization bin and the cabinet body, the heater is positioned in the water storage space, the temperature sensor is positioned in the sterilization bin, and the heater and the temperature sensor are both electrically connected with the controller. The water storage space is heated up by the heater, the temperature of the inner space of the sterilization bin rises in a heat conduction mode, the temperature sensor is matched with the sterilization bin to monitor the temperature of the inner space of the sterilization bin, the sterilization bin is heated up, the use is convenient, and the follow-up safety of the work of introducing ethylene oxide gas into the sterilization bin is guaranteed.

As a further improvement of the above technical scheme, the steam module comprises a steam generator and a water tank, wherein a liquid inlet of the steam generator is communicated with the water tank, a steam outlet of the steam generator is communicated with a steam inlet of the sterilization bin, a fourth electromagnetic valve is arranged on a pipeline between the steam outlet of the steam generator and the steam inlet of the sterilization bin, a humidity sensor is arranged in the sterilization bin, and the steam generator, the fourth electromagnetic valve and the humidity sensor are all electrically connected with the controller. Become water vapor and carry into the storehouse of disinfecting through steam generator with the water in the water tank in, the control of humidity in the cooperation humidity transducer to the storehouse of disinfecting to the realization carries out the purpose of humidification to medical instrument in the storehouse of disinfecting, has ensured convenience and the result of use that equipment used.

As a further improvement of the technical scheme, the recovery tank is provided with a liquid outlet, the liquid outlet is exposed on the outer wall surface of the cabinet body, and a valve is arranged at the opening of the liquid outlet, so that the liquid in the recovery tank can be recovered and purified, the generated product in the waste gas treatment can be obtained, the resource utilization rate is improved, and the resource waste is avoided.

As a further improvement of the technical scheme, the gas flowmeter is arranged on the pipeline between the first electromagnetic valve and the sterilization bin, so that the quantity of ethylene oxide gas entering the sterilization bin can be controlled, the effective utilization rate of resources is guaranteed, and the condition that the analysis efficiency is influenced by too much ethylene oxide gas entering the sterilization bin is avoided.

Compared with the prior art, the utility model has the following advantages and effects:

according to the EO sterilization treatment device, EO sterilization treatment is carried out on medical instruments through the heating module, the steam module and the sterilization module, and the sterilization chamber after EO sterilization is analyzed through the analysis module, so that the EO sterilization treatment device is convenient to use, guarantees the safety of a working process, and is beneficial to improving the working efficiency. Simultaneously, realize handling ethylene oxide in the waste gas of extraction in the storehouse of disinfecting through rotatory spray set in the analytic module and purifying box, ensured the security of exhaust emission among the sterilization process, do benefit to and reduce the pollution to external environment, and rotatory spray set sprays water and can wash the active carbon filter to ensure the used repeatedly of active carbon filter, improved the utilization ratio of active carbon filter, do benefit to the change frequency that reduces the active carbon filter in the purifying box. Furthermore, through the setting of recovery pond, do benefit to and carry out recovery processing to the waste liquid that produces among the exhaust-gas treatment, and can draw the ethylene glycol in the waste liquid and recycle, improved the utilization ratio of resource, do benefit to and avoid the wasting of resources.

Drawings

Fig. 1 is a schematic structural diagram of the front side of a medical instrument sterilization processing system of the present invention.

Fig. 2 is a schematic structural diagram of the left side surface of the medical instrument sterilization processing system.

Fig. 3 is a schematic structural diagram of the right side surface of the medical instrument sterilization processing system.

Fig. 4 is a schematic view of the structure of the inside of the purification tank shown in fig. 3.

Fig. 5 is a system structure diagram of a medical instrument sterilization processing system of the utility model.

The sterilization cabinet comprises a cabinet body 1, a cabinet door 11, a controller 12, a sterilization cabinet 2, a heating module 3, a heater 31, a temperature sensor 32, a water storage space 33, a steam module 4, a steam generator 41, a water tank 42, a fourth electromagnetic valve 43, a humidity sensor 44, a sterilization module 5, an air pump 51, an air storage tank 52, a first electromagnetic valve 53, a gas flowmeter 54, an analysis module 6, a vacuum pump 61, a purification tank 62, a recovery tank 63, a rotary spraying device 64, a filter tank 65, a second electromagnetic valve 71, a pressure sensor 72, an activated carbon filter plate 73, a spray head 74, through holes 75, an air inlet fan 76, a third electromagnetic valve 77, a liquid outlet 81 and a valve 82.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Referring to fig. 1 to 5, the medical instrument sterilization processing system of the present embodiment includes a cabinet body 1 and a sterilization chamber 2 disposed in the cabinet body 1, a chamber door 11 for sealing an opening of the sterilization chamber 2 is installed on the cabinet body 1, the cabinet body 1 is provided with a temperature raising module 3 for raising a temperature of the sterilization chamber 2, a steam module 4 for humidifying medical instruments in the sterilization chamber 2, a sterilization module 5 for sterilizing medical instruments in the sterilization chamber 2, and an analysis module 6 for analyzing the sterilization chamber 2, the sterilization module 5 includes an air pump 51 and an air storage tank 52, ethylene oxide gas is contained in the air storage tank 52, an air outlet of the air storage tank 52 is communicated with an air inlet of the air pump 51, an air outlet of the air pump 51 is communicated with an air inlet of the sterilization chamber 2, and a first electromagnetic valve 53 is installed on a pipeline between the air outlet and the air inlet of the sterilization chamber 2. The analysis module 6 comprises a vacuum pump 61, a purification box 62, a recovery tank 63, a rotary spraying device 64 and a filter box 65, wherein an air inlet of the vacuum pump 61 is communicated with an air outlet of the sterilization bin 2, a second electromagnetic valve 71 is arranged on a pipeline between the air inlet and the air outlet, a pressure sensor 72 is arranged in the sterilization bin 2, an air outlet of the vacuum pump 61 is communicated with an air inlet of the purification box 62, a plurality of active carbon filter plates 73 which are arranged in parallel at equal intervals are fixed in the purification box 62, an air outlet of the purification box 62 is communicated with an external space, a spray head 74 of the rotary spraying device 64 is fixed on the inner wall surface of the top surface of the purification box 62, a plurality of through holes 75 are arranged on the bottom surface of the purification box 62, the recovery tank 63 is of a cavity structure with an open top end, the recovery tank 63 is positioned under the through holes 75, the filter box 65 is of a hollow structure with openings at two ends, and a plurality of filter screens are fixed in the hollow space of the filter box 65, an air inlet fan 76 is installed at an air inlet of the filter box 65, an air outlet of the filter box 65 is communicated with an air inlet of the sterilization bin 2, a third electromagnetic valve 77 is installed on a pipeline between the air inlet and the sterilization bin 2, the cabinet body 1 is provided with a controller 12, and the air pump 51, the first electromagnetic valve 53, the vacuum pump 61, the second electromagnetic valve 71, the pressure sensor 72, the air inlet fan 76 and the third electromagnetic valve 77 are all electrically connected with the controller 12.

Referring to fig. 1 and 5, the temperature raising module 3 includes a heater 31 and a temperature sensor 32, a water storage space 33 exists between the sterilization chamber 2 and the cabinet 1, the heater 31 is located in the water storage space 33, the temperature sensor 32 is located in the sterilization chamber 2, and both the heater 31 and the temperature sensor 32 are electrically connected to the controller 12.

Referring to fig. 1 and 3, a liquid outlet 81 is arranged on the recovery tank 63, the liquid outlet 81 is exposed on the outer wall surface of the cabinet body 1, and a valve 82 is arranged at the opening of the liquid outlet 81.

Referring to fig. 1-3, a gas flow meter 55 is arranged on the pipeline between the first electromagnetic valve 53 and the sterilization chamber 2.

Referring to fig. 2 and 5, the steam module 4 includes a steam generator 41, a water tank 42, a liquid inlet of the steam generator 41 is communicated with the water tank 42, a steam outlet of the steam generator 41 is communicated with a steam inlet of the sterilization chamber 2, a fourth electromagnetic valve 43 is installed on a pipe between the steam outlet and the steam inlet, a humidity sensor 44 is arranged in the sterilization chamber 2, and the steam generator 41, the fourth electromagnetic valve 43 and the humidity sensor 44 are all electrically connected with the controller 12.

In summary, the application method of the utility model is as follows:

the method comprises the following steps: opening the bin door, putting the medical instrument to be sterilized into the sterilization bin, and then closing the bin door;

step two: heating water in the water storage space through a heater, raising the temperature of the inner space of the sterilization bin in a heat conduction mode, monitoring the temperature of the inner space of the sterilization bin through a temperature sensor until the temperature of the inner space of the sterilization bin reaches a set value, simultaneously opening a fourth electromagnetic valve, generating water in a water tank into water vapor through a steam generator, conveying the water vapor into the sterilization bin, monitoring the humidity in the sterilization bin through a humidity sensor until the humidity in the sterilization bin reaches the set value, and thus finishing heating and humidifying treatment of medical instruments in the sterilization cabinet;

step three: opening a first electromagnetic valve, conveying ethylene oxide gas in a gas storage tank into a sterilization bin through a gas pump, monitoring the internal pressure of the sterilization bin through a pressure sensor until the pressure in the sterilization bin rises to a set value, entering a sterilization stage by medical instruments in the sterilization bin, and recording the quantity of the ethylene oxide gas introduced into the sterilization bin through a gas flowmeter;

step four: opening a second electromagnetic valve, pumping gas in the sterilization bin through a vacuum pump and conveying the gas into a purification box, adsorbing ethylene oxide in the waste gas entering the purification box by an active carbon filter plate in the purification box, spraying water by a spray head of a rotary spraying device to dissolve the ethylene oxide in the waste gas and the ethylene oxide adsorbed on the active carbon filter plate into the water and generate glycol through water and reaction, and recovering the cleaning waste liquid falling under the action of gravity by a recovery tank;

step five: and opening the third electromagnetic valve, conveying the external air into the sterilization bin through the air inlet fan, and filtering the external air by the filter screen in the process that the external air enters the sterilization bin through the filter box.

Step six: and repeating the fourth step and the fifth step according to set times, realizing analysis treatment on the sterilization bin in a mode of circularly performing air extraction and air exchange, and finally recovering the waste liquid in the recovery tank through a liquid outlet.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. The utility model provides a medical instrument sterilization processing system, includes the cabinet body (1) and sets up sterilization storehouse (2) in the cabinet body (1), installs open-ended door (11) that are used for sealing sterilization storehouse (2) on the cabinet body (1), its characterized in that: the sterilization cabinet is characterized in that a temperature rising module (3) used for rising the temperature of the sterilization bin (2), a steam module (4) used for humidifying medical instruments in the sterilization bin (2), a sterilization module (5) used for sterilizing the medical instruments in the sterilization bin (2) and an analysis module (6) used for analyzing the sterilization bin (2) are arranged on the cabinet body (1), the sterilization module (5) comprises an air pump (51) and an air storage tank (52), ethylene oxide gas is filled in the air storage tank (52), an air outlet of the air storage tank (52) is communicated with an air inlet of the air pump (51), an air outlet of the air pump (51) is communicated with the air inlet of the sterilization bin (2), a first electromagnetic valve (53) is arranged on a pipeline between the air pump and the air inlet of the sterilization bin (2), and the analysis module (6) comprises a vacuum pump (61), a purification box (62), a recovery tank (63), a rotary spraying device (64) and a filter box (65), an air inlet of a vacuum pump (61) is communicated with an air outlet of a sterilization bin (2), a second electromagnetic valve (71) is arranged on a pipeline between the air inlet of the vacuum pump and the sterilization bin (2), a pressure sensor (72) is arranged in the sterilization bin (2), an air outlet of the vacuum pump (61) is communicated with an air inlet of a purification box (62), a plurality of active carbon filter plates (73) which are arranged in parallel at equal intervals are fixed in the purification box (62), an air outlet of the purification box (62) is communicated with an external space, a spray head (74) of a rotary spraying device (64) is fixed on the inner wall surface of the top surface of the purification box (62), a plurality of through holes (75) are arranged on the bottom surface of the purification box (62), a recovery tank (63) is of a cavity structure with an opening at the top end, the recovery tank (63) is positioned right below the through holes (75), a filter box (65) is of a hollow structure with openings at two ends, a plurality of filter screens are fixed in the hollow space of the filter box (65), an air inlet fan (76) is installed at an air inlet of the filter box (65), an air outlet of the filter box (65) is communicated with an air inlet of the sterilization bin (2), a third electromagnetic valve (77) is installed on a pipeline between the air outlet of the filter box and the air inlet of the sterilization bin (2), a controller (12) is arranged on the cabinet body (1), and the air pump (51), the first electromagnetic valve (53), the vacuum pump (61), the second electromagnetic valve (71), the pressure sensor (72), the air inlet fan (76) and the third electromagnetic valve (77) are all electrically connected with the controller (12).

2. The medical instrument sterilization processing system according to claim 1, wherein: the temperature rising module (3) comprises a heater (31) and a temperature sensor (32), a water storage space (33) is arranged between the sterilization bin (2) and the cabinet body (1), the heater (31) is positioned in the water storage space (33), the temperature sensor (32) is positioned in the sterilization bin (2), and the heater (31) and the temperature sensor (32) are electrically connected with the controller (12).

3. The medical instrument sterilization processing system according to claim 1, wherein: steam module (4) are including steam generator (41), water tank (42), and the inlet of steam generator (41) is linked together with water tank (42), and the steam outlet of steam generator (41) is linked together and installs fourth solenoid valve (43) on the pipeline between the two with the steam inlet in sterilization storehouse (2), is equipped with humidity transducer (44) in sterilization storehouse (2), and steam generator (41), fourth solenoid valve (43) and humidity transducer (44) all are connected with controller (12) electricity.

4. The medical instrument sterilization processing system according to claim 1, wherein: a liquid outlet (81) is arranged on the recovery tank (63), the liquid outlet (81) is exposed on the outer wall surface of the cabinet body (1), and a valve (82) is arranged at the opening of the liquid outlet (81).

5. The medical instrument sterilization processing system according to claim 1, wherein: and a gas flowmeter (55) is arranged on a pipeline between the first electromagnetic valve (53) and the sterilization bin (2).

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