CN103127538B - Multi-purpose sterilization method and multifunctional sterilizer thereof - Google Patents
Multi-purpose sterilization method and multifunctional sterilizer thereof Download PDFInfo
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- CN103127538B CN103127538B CN201110383744.2A CN201110383744A CN103127538B CN 103127538 B CN103127538 B CN 103127538B CN 201110383744 A CN201110383744 A CN 201110383744A CN 103127538 B CN103127538 B CN 103127538B
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Abstract
The invention discloses a multi-purpose sterilization method. The multi-purpose sterilization method includes the following steps: (1) setting a sterilization room, (2) setting a vacuum supply device, (3) setting a temperature control device, (4) setting a hydrogen peroxide sterilization device, (5) setting a steam sterilizer, (6) setting an air cleaning device, (7) setting a control box, and (8) sterilizing. The invention further discloses a multifunctional sterilizer which is made with the multi-purpose sterilization method. The multi-purpose sterilization method is simple in steps, easy to achieve, high in efficiency and various in functions and the effects of low temperature type sterilization or high temperature type sterilization can be achieved. The multifunctional sterilizer is ingenious in design, reasonable in structure, the hydrogen peroxide sterilization device and the steam sterilizer are arranged, the low temperature type sterilization function and the high temperature type sterilization function are integrated, and the corresponding effect of low temperature type sterilization or high temperature type sterilization can be chosen according to required device types which need sterilization. The multifunctional sterilizer is convenient to use, wide in application, use costs of healthcare organizations are effectively reduced and the multifunctional sterilizer is beneficial for wide promotion and application.
Description
Technical field
The present invention relates to sterilizing art, particularly a kind of Multipurpose sterilization method and Multifunctional sterilization device thereof being applicable to medical apparatus and instruments.
Background technology
Sterilization is the important step of diseases prevention and control, is also the important component part implementing policy of putting prevention first.Particularly in infectious disease control, sterilization has become one of key means cutting off route of transmission.
Along with the development of health care level of modernization, various modernization sterilising prods enters medical institutions at different levels in succession, as the sterilizing installation that low temperature plasma hydrogen peroxide steriliser and high-temperature high-pressure pulse vacuum steam sterilizer are exactly now conventional, these two kinds of sterilisers have the different sterilizing scope of application, all have advantage that is nontoxic, non-secondary pollution.
Existing steriliser is due to its function singleness, only there are single cold sterilization function or single high temperature sterilization function, some special requirement can not be met, when there is as selected the steriliser of high temperature sterilization function, be not suitable for the accurate Medical Instruments of some non-refractories, as fiber sight glass and other fear hot material all need cold sterilization techniques.When there is as selected the steriliser of cold sterilization function, then cannot meet the medical apparatus and instruments needing high temperature sterilization; For this reason, medical institutions all need to purchase two kinds of sterilisers simultaneously could meet different sterilizing requirements, and cause investment too high, occupation of land is many, and utilization rate is not high yet, causes unnecessary waste.
Summary of the invention
For above-mentioned deficiency, one of the object of the invention is, provides a kind of operation simple, is easy to realize and the much higher purposes sterilizing methods of efficiency.
The present invention also aims to, a kind of reasonable in design, easy to operate, set cold sterilization function and high temperature sterilization function Multifunctional sterilization device are provided.
For achieving the above object, the technical scheme provided is in the present invention:
A kind of Multipurpose sterilization method, it comprises the following steps:
(1) sterile chamber that at least has an internal cavities is set: this sterile chamber is used for placing the apparatus needing sterilizing;
(2) vacuum extractor is set: this vacuum extractor is used for the air pressure of the internal cavities controlling described sterile chamber;
(3) attemperating unit is set: this attemperating unit is used for controlling the outer wall of described sterile chamber and the temperature of internal cavities, to reach required sterilising temp;
(4) hydrogen peroxide sterilization device is set: this hydrogen peroxide sterilization device is used for carrying out sterilizing action to the apparatus in sterile chamber, realizes low-temperature sterilization effect;
(5) steam sterilizer is set: this steam sterilizer is used for carrying out sterilizing action to the apparatus in sterile chamber, realizes high temperature formula sterilization effect;
(6) air cleaner is set: this air cleaner is used for providing to sterile chamber that to purify air and recover sterile chamber's air pressure identical with atmospheric pressure, is convenient to safety and opens sterile chamber's hatch door.
(7) control chamber is set: this control chamber is used for controlling the duty of described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device and steam sterilizer, is connected respectively by described control chamber with vacuum extractor, hydrogen peroxide sterilization device, steam sterilizer;
(8) sterilizing: switch on power, according to the corresponding low temperature sterilization of apparatus type selecting or the high temperature sterilize mode that need sterilizing, then operation control panel, by the duty of the corresponding control vacuum extractor of controller and attemperating unit, and corresponding startup hydrogen peroxide sterilization device or steam sterilizer, the low-temperature sterilizing needed for realization or high temperature formula sterilization method.
Described step specifically comprises the steps: in (4)
(4.1) a hydrogen peroxide injection device is set, injects hydrogen peroxide with in the internal cavities of sterile chamber described in dealing;
(4.2) concentration chamber is set, is used for storing hydrogen peroxide, and the concentration of hydrogen peroxide in it can be improved;
(4.3) plasma generating apparatus is set, be used for the hydrogen peroxide ionized in the internal cavities of described sterile chamber, make it be ionized into plasma and spread to be filled to whole internal cavities, and then contact with the apparatus in sterile chamber, realize low-temperature sterilization effect;
(4.4) described hydrogen peroxide injection device is connected with concentration chamber, the internal cavities of this concentration chamber with described sterile chamber is connected, described plasma generating apparatus is arranged on the internal cavities of described sterile chamber, obtained hydrogen peroxide sterilization device.
Described step (5) specifically comprises the following steps:
(5.1) steam generating equipment is set, injects steam with in the internal cavities of sterile chamber described in dealing, and make diffusion of vapor be filled to whole internal cavities, and then contact with the apparatus in sterile chamber, realize high temperature formula sterilization effect;
(5.2) arrange a pipeline, be connected with described steam generating equipment this pipeline one end, the other end is connected with the internal cavities of described sterile chamber, obtained steam sterilizer.
Described step (6) specifically comprises the following steps:
(6.1) air filter is set, injects with the internal cavities of sterile chamber described in dealing and purify air; The air pressure recovered in sterile chamber is identical with atmospheric pressure, is convenient to safety and opens sterile chamber's hatch door.
(6.2) arrange a pipeline, be connected with described air filter this pipeline one end, the other end is connected with the internal cavities of described sterile chamber, obtained air cleaner.
Described step (7) specifically comprises the following steps:
(7.1) casing is set;
(7.2) controller being set, for controlling the duty of described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device and steam sterilizer, described controller being arranged in described casing;
(7.3) control panel is set, this control panel is arranged on the outer wall of steriliser, and is connected with controller, obtained control chamber.
Described step (8) specifically comprises the following steps:
(8.1) will the apparatus of sterilizing be needed to put in the internal cavities of sterile chamber, and close the chamber door of sterile chamber;
(8.2) switch on power;
(8.3) when needs low-temperature sterilization method, operation control panel, controller starts attemperating unit, makes the outside wall temperature of sterile chamber rise to 45 ~ 55 DEG C;
(8.4) controller starts vacuum extractor, makes the absolute pressure of the internal cavities of sterile chamber be down to 45 ~ 55Pa, then controls vacuum extractor and quits work, and check the air pressure change situation of the internal cavities of sterile chamber; If when air pressure is without significant change, then continue low-temperature sterilizing action; If when boosting very fast, then stop low-temperature sterilizing action checking fault, after eliminating fault, repeat step (8.3) ~ (8.4);
(8.5) controller starts hydrogen peroxide injection device, in advance the hydrogen peroxide of 45 ~ 55% concentration is injected in concentration chamber, then the hydrogen peroxide in concentration chamber is made to evaporate some moisture until when this concentration of hydrogen peroxide reaches 75 ~ 95%, the internal cavities of sterile chamber of reinjecting;
(8.6) inject after hydrogen peroxide, the air pressure of the internal cavities of sterile chamber is corresponding is increased to certain pressure, keeps this pressure 1 ~ 3 minute;
(8.7) after pressurize, toward sterile chamber internal cavities inject purify air, until close to atmospheric pressure time, controller start vacuum extractor, make the absolute pressure of the internal cavities of sterile chamber be down to 45 ~ 55Pa, then control vacuum extractor and quit work;
(8.8) controller starts plasma generating apparatus and carries out ionization action to the hydrogen peroxide in the internal cavities of described sterile chamber, and ionization action, after 25 ~ 40 seconds, controls plasma generating apparatus and quits work;
(8.9) the internal cavities injection toward sterile chamber purifies air, until when the air pressure of this internal cavities rises to identical with atmospheric pressure, open chamber door, take out sterilized apparatus, whole low-temperature sterilization process is complete; If low-temperature sterilization effect need be strengthened, repeat step (8.5) ~ (8.6);
(9.0) when needs high temperature formula sterilization effect, operation control panel, controller starts steam generating equipment, and makes its gauge pressure rise to 0.35 ~ 0.45MPa;
(9.1) controller starts attemperating unit, when making the outside wall temperature of sterile chamber rise to 115 ~ 125 DEG C, start vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, and then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.15 ~ 0.25Mpa, and pressurize 1 ~ 10 minute;
(9.2) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, and then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.15 ~ 0.25Mpa, and pressurize 1 ~ 10 minute;
(9.3) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, and then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.3Mpa, and start attemperating unit, make the outside wall temperature of sterile chamber and the temperature of internal cavities rise to 134 ~ 136 DEG C, keep this temperature 4 ~ 6 minutes;
(9.4) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, then the internal cavities injection toward sterile chamber purifies air, until when the air pressure of this internal cavities rises to identical with atmospheric pressure, open chamber door, take out sterilized apparatus, whole high temperature formula sterilization process is complete; If high temperature formula sterilization effect need be strengthened, repeat step (9.1) ~ (9.2);
(9.5) repeat step (8.3) ~ (8.9) or step (9.0) ~ (9.4), realize low-temperature sterilizing or the sterilizing of high temperature formula of a new round, reach Multipurpose effect.
A kind of Multifunctional sterilization device implemented above-mentioned Multipurpose sterilization method and prepare, it comprises a sterile chamber at least with an internal cavities and the control chamber, vacuum extractor, attemperating unit, hydrogen peroxide sterilization device and the steam sterilizer that are separately positioned in this sterile chamber, and described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device and steam sterilizer are connected with described control chamber respectively and control by it.
The volume of the internal cavities of described sterile chamber is 0.05 ~ 0.5m
3.
Described hydrogen peroxide sterilization device comprises hydrogen peroxide injection device, concentration chamber and plasma generating apparatus, this plasma generating apparatus is arranged on the internal cavities of described sterile chamber, described concentration chamber one end is connected with described hydrogen peroxide injection device, and the other end is connected with the internal cavities of described sterile chamber.
Described steam sterilizer comprises pipeline and steam generating equipment, and this steam generating equipment is connected by the internal cavities of described pipeline with described sterile chamber.
Described control chamber comprises a casing, a controller and a control panel, and described controller is arranged in described casing, and described control panel is arranged on the lateral wall of casing, and is connected with controller respectively.
Beneficial effect of the present invention is: the step of method provided by the invention is simple, and be easy to realization, efficiency is high, purposes is many, can realize low-temperature sterilizing or high temperature formula sterilization effect; Multifunctional sterilization device design provided by the invention is ingenious, rational in infrastructure, be provided with hydrogen peroxide sterilization device and steam sterilizer, set has cold sterilization function and high temperature sterilization function, can according to the required corresponding low temperature sterilization of apparatus type selecting or the high temperature sterilize mode that need sterilizing, easy to use, purposes is wide, effectively reduce the use cost of medical institutions, be beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present invention.
Detailed description of the invention
Embodiment: see Fig. 1, the embodiment of the present invention provides a kind of Multipurpose sterilization method, and it comprises the following steps:
(1) sterile chamber that at least has an internal cavities is set: this sterile chamber is used for placing the apparatus needing sterilizing;
(2) vacuum extractor is set: this vacuum extractor is used for the air pressure of the internal cavities controlling described sterile chamber;
(3) attemperating unit is set: this attemperating unit is used for controlling the outer wall of described sterile chamber and the temperature of internal cavities, to reach required sterilising temp;
(4) hydrogen peroxide sterilization device is set: this hydrogen peroxide sterilization device is used for carrying out sterilizing action to the apparatus in sterile chamber, realizes low-temperature sterilization effect; Specifically comprise the steps: in described step (4) that (4.1) arrange a hydrogen peroxide injection device, inject hydrogen peroxide with in the internal cavities of sterile chamber described in dealing; (4.2) concentration chamber is set, is used for storing hydrogen peroxide, and the concentration of hydrogen peroxide in it can be improved; (4.3) plasma generating apparatus is set, be used for the hydrogen peroxide ionized in the internal cavities of described sterile chamber, make it be ionized into plasma and spread to be filled to whole internal cavities, and then contact with the apparatus in sterile chamber, realize low-temperature sterilization effect; (4.4) described hydrogen peroxide injection device is connected with concentration chamber, the internal cavities of this concentration chamber with described sterile chamber is connected, described plasma generating apparatus is arranged on the internal cavities of described sterile chamber, obtained hydrogen peroxide sterilization device.
(5) steam sterilizer is set: this steam sterilizer is used for carrying out sterilizing action to the apparatus in sterile chamber, realizes high temperature formula sterilization effect; Described step (5) specifically comprises the following steps: (5.1) arrange a steam generating equipment, steam is injected with in the internal cavities of sterile chamber described in dealing, and make diffusion of vapor be filled to whole internal cavities, and then contact with the apparatus in sterile chamber, realize high temperature formula sterilization effect; (5.2) arrange a pipeline, be connected with described steam generating equipment this pipeline one end, the other end is connected with the internal cavities of described sterile chamber, obtained steam sterilizer.
(6) air cleaner is set: this air cleaner is used for providing to sterile chamber that to purify air and recover sterile chamber's air pressure identical with atmospheric pressure, is convenient to safety and opens sterile chamber's hatch door.
(7) control chamber is set: this control chamber is used for controlling the duty of described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and air cleaner, is connected respectively by described control chamber with vacuum extractor, hydrogen peroxide sterilization device, steam sterilizer with air cleaner; Described step (7) specifically comprises the following steps: (7.1) arrange a casing; (7.2) controller being set, for controlling the duty of described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and air cleaner, described controller being arranged in described casing; (7.2) control panel is set, this control panel is arranged on the outer wall of steriliser, and is connected with controller respectively, obtained control chamber.
(8) sterilizing: switch on power, according to the corresponding low temperature sterilization of apparatus type selecting or the high temperature sterilize mode that need sterilizing, then operation control panel, by the duty of the corresponding control vacuum extractor of controller and attemperating unit, and corresponding startup hydrogen peroxide sterilization device or steam sterilizer, the low-temperature sterilizing needed for realization or high temperature formula sterilization effect.
Described step (8) specifically comprises the following steps:
(8.1) will the apparatus of sterilizing be needed to put in the internal cavities of sterile chamber, and close the chamber door of sterile chamber;
(8.2) switch on power;
(8.3) when needs low-temperature sterilization effect, operation control panel, controls attemperating unit by controller, makes the outside wall temperature of sterile chamber rise to 45 ~ 55 DEG C; In the present embodiment, be preferably 50 DEG C, in other embodiment, the outside wall temperature of respective settings sterile chamber within the scope of 45 ~ 55 DEG C can be carried out according to actual service condition.
(8.4) controller starts vacuum extractor, the absolute pressure of the internal cavities of sterile chamber is made to be down to 45 ~ 55Pa, in the present embodiment, be preferably 50Pa, in other embodiment, the absolute pressure of the internal cavities of respective settings sterile chamber within the scope of 45 ~ 55Pa can be carried out according to actual service condition.Then control vacuum extractor to quit work, and check the air pressure change situation of the internal cavities of sterile chamber; If when air pressure is without significant change, then continue low-temperature sterilizing action; If when boosting very fast, controller stops low-temperature sterilizing action, enters fault warning state, checks fault, after eliminating fault, repeats step (8.3) ~ (8.4);
(8.5) controller starts hydrogen peroxide injection device, in advance the hydrogen peroxide of 45 ~ 55% concentration is injected in concentration chamber, in the present embodiment, concentration of hydrogen peroxide is preferably 50%, in other embodiment, the concentration of corresponding selected hydrogen peroxide in 45 ~ 55% concentration ranges can be carried out according to actual service condition; Then the hydrogen peroxide in concentration chamber is made to evaporate some moisture until when this concentration of hydrogen peroxide reaches 75 ~ 95%, the internal cavities of sterile chamber of reinjecting;
(8.6) inject after hydrogen peroxide, the air pressure of the internal cavities of sterile chamber is corresponding is increased to certain pressure, keeps this pressure 1 ~ 3 minute; In the present embodiment, preferably keep this pressure to be 2 minutes, in other embodiment, the time of this pressure can be kept according to actual service condition respective settings within the scope of 1 ~ 3 minute.
(8.7) after pressurize, start air cleaner toward sterile chamber internal cavities inject purify air, until close to atmospheric pressure time, controller start vacuum extractor, make the absolute pressure of the internal cavities of sterile chamber be down to 45 ~ 55Pa, then control vacuum extractor and quit work; In the present embodiment, the absolute pressure of the internal cavities of sterile chamber is preferably down to 50Pa, in other embodiment, can carry out the absolute pressure of the internal cavities of respective settings sterile chamber within the scope of 45 ~ 55Pa according to actual service condition.
(8.8) controller starts plasma generating apparatus and carries out ionization action to the hydrogen peroxide in the internal cavities of described sterile chamber, and ionization action, after 25 ~ 60 seconds, controls plasma generating apparatus and quits work; In the present embodiment, ionization is preferably 30 seconds movement time, in other embodiment, can carry out the time of respective settings ionization action within the scope of 25 ~ 60 seconds according to actual service condition.
(8.9) startup air cleaner purifies air toward the internal cavities injection of sterile chamber, until when the air pressure of this internal cavities rises to identical with atmospheric pressure, open chamber door, take out sterilized apparatus, whole low-temperature sterilization process is complete; If low-temperature sterilization effect need be strengthened, repeat step (8.5) ~ (8.6);
(9.0) when needs high temperature formula sterilization effect, operation control panel, controller starts steam generating equipment, and makes its gauge pressure rise to 0.35 ~ 0.45MPa; In the present embodiment, the gauge pressure of steam generating equipment preferably rises to 0.40MPa, in other embodiment, can carry out respective settings gauge pressure within the scope of 0.35 ~ 0.45MPa according to actual service condition;
(9.1) controller starts attemperating unit, when making the outside wall temperature of sterile chamber rise to 115 ~ 125 DEG C, in the present embodiment, the outside wall temperature of sterile chamber preferably sets and rises to is 120 DEG C, in other embodiment, the outside wall temperature of respective settings sterile chamber within the scope of 115 ~ 125 DEG C can be carried out according to actual service condition.Start vacuum extractor, make the gauge pressure of the internal cavities of sterile chamber be down to 2 ~ 5Kpa, in the present embodiment, the gauge pressure of the internal cavities of sterile chamber is preferably down to 3Kpa, in other embodiment, the gauge pressure of the internal cavities of respective settings sterile chamber within the scope of 2 ~ 5Kpa can be carried out according to actual service condition; Start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.15 ~ 0.25Mpa, and pressurize 1 ~ 10 minute; In the present embodiment, gauge pressure in the internal cavities of sterile chamber rises to 0.20Mpa, and pressurize 2 minutes, in other embodiment, can according to actual service condition come within the scope of 0.15 ~ 0.25Mpa respective settings sterile chamber internal cavities in gauge pressure, and within the scope of 1 ~ 10 minute the respective settings dwell time.
(9.2) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, in the present embodiment, the gauge pressure of the internal cavities of sterile chamber is preferably down to 3Kpa, in other embodiment, the gauge pressure of the internal cavities of respective settings sterile chamber within the scope of 2 ~ 5Kpa can be carried out according to actual service condition; And then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.15 ~ 0.25Mpa, and pressurize 1 ~ 10 minute; In the present embodiment, gauge pressure in the internal cavities of sterile chamber rises to 0.20Mpa, and pressurize 2 minutes, in other embodiment, can according to actual service condition come within the scope of 0.15 ~ 0.25Mpa respective settings sterile chamber internal cavities in gauge pressure, and within the scope of 1 ~ 10 minute the respective settings dwell time.
(9.3) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, in the present embodiment, the gauge pressure of the internal cavities of sterile chamber is preferably down to 3Kpa, in other embodiment, the gauge pressure of the internal cavities of respective settings sterile chamber within the scope of 2 ~ 5Kpa can be carried out according to actual service condition; And then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.3Mpa, and start attemperating unit, make the outside wall temperature of sterile chamber and the temperature of internal cavities rise to 134 ~ 136 DEG C, keep this temperature 4 ~ 6 minutes; In the present embodiment, the outside wall temperature of sterile chamber and the temperature of internal cavities preferably rise to 134 DEG C, and keep this temperature 5 minutes.In other embodiment, the time of this temperature can be kept according to actual service condition respective settings.
(9.4) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, in the present embodiment, the gauge pressure of the internal cavities of sterile chamber is preferably down to 3Kpa, in other embodiment, the gauge pressure of the internal cavities of respective settings sterile chamber within the scope of 2 ~ 5Kpa can be carried out according to actual service condition; Then start air cleaner, the internal cavities toward sterile chamber injects and purifies air, until when the air pressure of this internal cavities rises to identical with atmospheric pressure, open chamber door, take out sterilized apparatus, whole high temperature formula sterilization process is complete; If high temperature formula sterilization effect need be strengthened, repeat step (9.1) ~ (9.2);
(9.5) repeat step (8.3) ~ (8.9) or step (9.0) ~ (9.4), realize low-temperature sterilizing or the sterilizing of high temperature formula of a new round, reach Multipurpose effect.
A kind of Multifunctional sterilization device implemented above-mentioned Multipurpose sterilization method and prepare, it comprises a sterile chamber at least with an internal cavities and the control chamber, vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and the air cleaner that are separately positioned in this sterile chamber, and described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and air cleaner are connected with described control chamber respectively and control by it.
The volume of the internal cavities of described sterile chamber is 0.05 ~ 0.5m
3.Now the volume of low temperature plasma hydrogen peroxide steriliser is in the art generally 0.05 ~ 0.3m
3, the volume of high-temperature high-pressure pulse vacuum steam sterilizer is generally from 0.05 ~ 3m
3.The present inventor is ingenious to unite two into one two kinds of equipment, and the volume of the internal cavities of preferred sterile chamber is 0.05 ~ 0.5m
3in, realize the function realizing two kinds of equipment with the price of an equipment, not only easy to use, more reducing the use cost of medical institutions, also popularizing contributing to accelerating basis health unit the process using modernization sterilizing installation.
Described hydrogen peroxide sterilization device comprises hydrogen peroxide injection device, concentration chamber and plasma generating apparatus, this plasma generating apparatus is arranged on the internal cavities of described sterile chamber, described concentration chamber one end is connected with described hydrogen peroxide injection device, and the other end is connected with the internal cavities of described sterile chamber.
Described steam sterilizer comprises pipeline and steam generating equipment, and this steam generating equipment is connected by the internal cavities of described pipeline with described sterile chamber.
Air cleaner of telling comprises air filter, is connected by the internal cavities of pipeline with described sterile chamber
Described control chamber comprises a casing, a controller and a control panel, and described controller is arranged in described casing, and described control panel is arranged on the outer wall of steriliser, is connected with controller.
During use, in advance according to the corresponding low temperature sterilization of apparatus type selecting or the high temperature sterilize effect that need sterilizing, then operation control panel is by the duty of the corresponding control vacuum extractor of controller and attemperating unit, and corresponding startup hydrogen peroxide sterilization device or steam sterilizer, the low-temperature sterilizing needed for realization or high temperature formula sterilization effect.Method sterilization process provided by the invention is simple, is easy to realization, efficiency is high; Multifunctional sterilization device design provided by the invention is ingenious, rational in infrastructure, be provided with hydrogen peroxide sterilization device and steam sterilizer, set has cold sterilization function and high temperature sterilization function, can according to the required corresponding low temperature sterilization of apparatus type selecting or the high temperature sterilize effect that need sterilizing, not only easy to use, more reduce the use cost of medical institutions, be beneficial to wide popularization and application.
As described in the above embodiment the present invention, structure same or similar with it is adopted and other Multifunctional sterilization device obtained and sterilizing methods thereof, all in scope.
Claims (12)
1. a Multipurpose sterilization method, is characterized in that, it comprises the following steps:
(1) sterile chamber that at least has an internal cavities is set: this sterile chamber is used for placing the apparatus needing sterilizing;
(2) vacuum extractor is set: this vacuum extractor is used for the air pressure of the internal cavities controlling described sterile chamber;
(3) attemperating unit is set: this attemperating unit is used for controlling the outer wall of described sterile chamber and the temperature of internal cavities, to reach required sterilising temp;
(4) hydrogen peroxide sterilization device is set: this hydrogen peroxide sterilization device is used for carrying out sterilizing action to the apparatus in sterile chamber, realizes low-temperature sterilization effect;
(5) steam sterilizer is set: this steam sterilizer is used for carrying out sterilizing action to the apparatus in sterile chamber, realizes high temperature formula sterilization effect;
(6) air cleaner is set: this air cleaner is used for providing to sterile chamber that to purify air and recover sterile chamber's air pressure identical with atmospheric pressure, is convenient to safety and opens sterile chamber's hatch door;
(7) control chamber is set: this control chamber is used for controlling the duty of described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device steam sterilizer and air cleaner, is connected respectively by described control chamber with vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer with air cleaner;
(8) sterilizing: switch on power, according to the corresponding low temperature sterilization of apparatus type selecting or the high temperature sterilize mode that need sterilizing, then operation control panel, the duty of the corresponding control vacuum extractor of controller, attemperating unit, air cleaner, hydrogen peroxide sterilization device or steam sterilizer, the low-temperature sterilizing needed for realization or high temperature formula sterilization effect.
2. Multipurpose sterilization method according to claim 1, is characterized in that, described step specifically comprises the steps: in (4)
(4.1) a hydrogen peroxide injection device is set, injects hydrogen peroxide with in the internal cavities of sterile chamber described in dealing;
(4.2) concentration chamber is set, is used for storing hydrogen peroxide, and the concentration of hydrogen peroxide in it can be improved;
(4.3) plasma generating apparatus is set, be used for the hydrogen peroxide ionized in the internal cavities of described sterile chamber, make it be ionized into plasma and spread to be filled to whole internal cavities, and then contact with the apparatus in sterile chamber, realize low-temperature sterilization effect;
(4.4) described hydrogen peroxide injection device is connected with concentration chamber, the internal cavities of this concentration chamber with described sterile chamber is connected, described plasma generating apparatus is arranged on the internal cavities of described sterile chamber, obtained hydrogen peroxide sterilization device.
3. Multipurpose sterilization method according to claim 1, is characterized in that, described step (5) specifically comprises the following steps:
(5.1) steam generating equipment is set, injects steam with in the internal cavities of sterile chamber described in dealing, and make diffusion of vapor be filled to whole internal cavities, and then contact with the apparatus in sterile chamber, realize high temperature formula sterilization effect;
(5.2) arrange a pipeline, be connected with described steam generating equipment this pipeline one end, the other end is connected with the internal cavities of described sterile chamber, obtained steam sterilizer.
4. Multipurpose sterilization method according to claim 1, is characterized in that, described step (6) specifically comprises the following steps:
(6.1) air filter is set, injects with the internal cavities of sterile chamber described in dealing and purify air; The air pressure recovered in sterile chamber is identical with atmospheric pressure, is convenient to safety and opens sterile chamber's hatch door;
(6.2) arrange a pipeline, be connected with described air filter this pipeline one end, the other end is connected with the internal cavities of described sterile chamber, obtained air cleaner.
5. Multipurpose sterilization method according to claim 1, is characterized in that, described step (7) specifically comprises the following steps:
(7.1) casing is set;
(7.2) controller being set, for automatically controlling the duty of described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and air cleaner, described controller being arranged in described casing;
(7.2) control panel is set, this control panel is arranged on steriliser outer wall, and is connected with controller, obtained control chamber.
6. Multipurpose sterilization method according to claim 1, is characterized in that, described step (8) specifically comprises the following steps:
(8.1) will the apparatus of sterilizing be needed to put in the internal cavities of sterile chamber, and close the chamber door of sterile chamber;
(8.2) switch on power;
(8.3) when needs low-temperature sterilization effect, operation control panel, start-up connector, controller controls attemperating unit, makes the outside wall temperature of sterile chamber rise to 45 ~ 55 DEG C;
(8.4) controller starts vacuum extractor, makes the absolute pressure of the internal cavities of sterile chamber be down to 45 ~ 55Pa, then controls vacuum extractor and quits work, and check the air pressure change situation of the internal cavities of sterile chamber; If when air pressure is without significant change, then continue low-temperature sterilizing action; If when boosting very fast, then stop low-temperature sterilizing action checking fault, after eliminating fault, repeat step (8.3) ~ (8.4);
(8.5) controller starts hydrogen peroxide injection device, in advance the hydrogen peroxide of 45 ~ 55% concentration is injected in concentration chamber, then the hydrogen peroxide in concentration chamber is made to evaporate some moisture until when this concentration of hydrogen peroxide reaches 75 ~ 95%, the internal cavities of sterile chamber of reinjecting;
(8.6) inject after hydrogen peroxide, the air pressure of the internal cavities of sterile chamber is corresponding is increased to certain pressure, keeps this pressure 1 ~ 3 minute;
(8.7) after pressurize, start air cleaner, the internal cavities toward sterile chamber injects and purifies air, until close to atmospheric pressure time, controller starts vacuum extractor, makes the absolute pressure of the internal cavities of sterile chamber be down to 45 ~ 55Pa, then controls vacuum extractor and quits work;
(8.8) controller starts plasma generating apparatus and carries out ionization action to the hydrogen peroxide in the internal cavities of described sterile chamber, and ionization action, after 25 ~ 40 seconds, controls plasma generating apparatus and quits work;
(8.9) controller startup air cleaner purifies air toward the internal cavities injection of sterile chamber, until when the air pressure of this internal cavities rises to identical with atmospheric pressure, open chamber door, take out sterilized apparatus, whole low-temperature sterilization process is complete; If low-temperature sterilization effect need be strengthened, repeat step (8.5) ~ (8.6);
(9.0) when needs high temperature formula sterilization effect, operation control panel, start-up connector, controller starts steam generating equipment, and makes its gauge pressure rise to 0.35 ~ 0.45MPa;
(9.1) controller starts attemperating unit, when making the outside wall temperature of sterile chamber rise to 115 ~ 125 DEG C, start vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, and then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.15 ~ 0.25Mpa, and pressurize 1 ~ 10 minute;
(9.2) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, and then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.15 ~ 0.25Mpa, and pressurize 1 ~ 10 minute;
(9.3) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, and then start steam generating equipment by the internal cavities of sterile chamber described in steam injection, until the gauge pressure in the internal cavities of sterile chamber rises to 0.3Mpa, and start attemperating unit, make the outside wall temperature of sterile chamber and the temperature of internal cavities rise to 134 ~ 136 DEG C, keep this temperature 4 ~ 6 minutes;
(9.4) controller starts vacuum extractor, the gauge pressure of the internal cavities of sterile chamber is made to be down to 2 ~ 5Kpa, then startup air cleaner purifies air toward the internal cavities injection of sterile chamber, until when the air pressure of this internal cavities rises to identical with atmospheric pressure, open chamber door, take out sterilized apparatus, whole high temperature formula sterilization process is complete; If high temperature formula sterilization effect need be strengthened, repeat step (9.1) ~ (9.2);
(9.5) repeat step (8.3) ~ (8.9) or step (9.0) ~ (9.4), realize low-temperature sterilizing or the sterilizing of high temperature formula of a new round, reach Multipurpose effect.
7. one kind implements the claims the Multifunctional sterilization device that described in 1 prepared by Multipurpose sterilization method, it is characterized in that, it comprises a sterile chamber at least with an internal cavities and the control chamber, vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and the air cleaner that are separately positioned in this sterile chamber, and described vacuum extractor, attemperating unit, hydrogen peroxide sterilization device, steam sterilizer and air cleaner are connected with described control chamber respectively and control by it.
8. Multifunctional sterilization device according to claim 7, is characterized in that, the volume of the internal cavities of described sterile chamber is 0.05 ~ 0.5m
3.
9. Multifunctional sterilization device according to claim 7, it is characterized in that, described hydrogen peroxide sterilization device comprises hydrogen peroxide injection device, concentration chamber and plasma generating apparatus, this plasma generating apparatus is arranged on the internal cavities of described sterile chamber, described concentration chamber one end is connected with described hydrogen peroxide injection device, and the other end is connected with the internal cavities of described sterile chamber.
10. Multifunctional sterilization device according to claim 7, is characterized in that, described steam sterilizer comprises pipeline and steam generating equipment, and this steam generating equipment is connected by the internal cavities of described pipeline with described sterile chamber.
11. Multifunctional sterilization devices according to claim 7, is characterized in that, described air cleaner comprises pipeline and air filter, and this air filter is connected by the internal cavities of described pipeline with described sterile chamber.
12. Multifunctional sterilization devices according to claim 7, it is characterized in that, described control chamber comprises a casing, a controller and a control panel, and described controller is arranged in described casing, described control panel is arranged on the outer wall of steriliser, and is connected with controller respectively.
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Cited By (1)
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| WO2023228073A1 (en) * | 2022-05-23 | 2023-11-30 | Tuttnauer Ltd. | Hydrogene peroxide and steam sterilizer |
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| CN109432465A (en) * | 2018-12-20 | 2019-03-08 | 郭艳阳 | Adaptive medical treatment disinfecting container |
| CN109893674A (en) * | 2019-03-08 | 2019-06-18 | 广西梧州制药（集团）股份有限公司 | Disinfection system and its sterilizing methods applied to freeze-drying cabinet |
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| EP0654274A1 (en) * | 1993-11-19 | 1995-05-24 | M.O.COM. S.r.L. | Sterilization process and plant for a steam autoclave |
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