CN115381976A

CN115381976A - Method and device for sterilizing and disinfecting precision instruments and consumables by using cold plasma

Info

Publication number: CN115381976A
Application number: CN202211064018.9A
Authority: CN
Inventors: 常华梅; 方志; 金珊珊; 刘诗筠; 赵亚军; 时贞平
Original assignee: Jiangsu Rongzheng Pharmaceutical Technology Co ltd
Current assignee: Nanjing Jinyou Health Management Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-25
Anticipated expiration: 2042-08-31
Also published as: CN115381976B

Abstract

The embodiment of the specification provides a method and a device for sterilizing and disinfecting precision instruments and consumables by using cold plasma. This sterilizing and disinfecting device includes: the sterilization treatment bin is used for performing sterilization treatment on an object to be treated based on cold plasma, wherein the sterilization treatment bin comprises a plasma generation electrode used for releasing the cold plasma; the controller is in communication connection with the sterilization treatment bin; the controller is configured to: acquiring the exposed surface area and the exposed volume of an object to be treated; determining sterilization and disinfection parameters according to the exposed surface area and the volume; wherein the sterilization and disinfection parameters at least comprise a time parameter for releasing the cold plasma and a rotation parameter of the object to be treated in the sterilization treatment bin; and controlling the sterilization treatment bin to perform sterilization and disinfection treatment on the object to be treated according to the sterilization and disinfection parameters.

Description

Method and device for sterilizing and disinfecting precision instruments and consumables by using cold plasma

Technical Field

The specification relates to the technical field of sterilization devices, in particular to a sterilization and disinfection method and device for precision instruments and consumables by using cold plasma.

Background

Some instruments used in medical systems need to be kept sterile, which puts high demands on sterilization technology. In addition, with the increasing requirement of food safety inspection, the related fields of pharmacy and food, etc. also need to sterilize and disinfect specific articles or products. At present, plasma is adopted for disinfection treatment and is applied to a plurality of fields, and the plasma disinfection device has the advantages of reliable sterilization effect, high disinfection speed and the like. The plasma is adopted for disinfection, and most of the plasma is used for integrally disinfecting articles, so that the problems that some severely polluted regions of the articles are not completely disinfected and the like can occur.

Therefore, there is a need to provide a sterilization and disinfection method and apparatus for precise instruments and consumables by using cold plasma, which can be used to accurately determine the areas of the articles that need to be sterilized, and determine the parameters of the sterilization and disinfection process, thereby effectively improving the sterilization and disinfection effect of the sterilization and disinfection process.

Disclosure of Invention

One or more embodiments of the present disclosure provide a sterilization and disinfection apparatus for precision instruments and consumables using a cold plasma, which includes a sterilization treatment chamber for performing sterilization treatment on an object to be treated based on the cold plasma, wherein the sterilization treatment chamber includes a plasma generation electrode for releasing the cold plasma; and the controller is in communication connection with the sterilization treatment bin and is used for: acquiring the exposed surface area and the exposed volume of the object to be treated; determining sterilization and disinfection parameters according to the exposed surface area and the volume; the sterilization parameters are operation parameters of the sterilization treatment bin during sterilization treatment, and the sterilization parameters at least comprise time parameters for releasing the cold plasma and rotation parameters of the object to be treated in the sterilization treatment bin; and controlling the sterilization treatment bin to perform sterilization and disinfection treatment on the object to be treated according to the sterilization and disinfection parameters.

One or more embodiments of the present specification provide a sterilization and disinfection method for a precision instrument and a consumable material by using cold plasma, the sterilization and disinfection method is applied to the sterilization and disinfection device provided by the specification, and the method comprises the following steps: acquiring the exposed surface area and volume of an object to be treated; determining sterilization and disinfection parameters according to the exposed surface area and the volume; the sterilization parameters are operation parameters of a sterilization treatment bin during sterilization treatment, and the sterilization parameters at least comprise time parameters for releasing the cold plasma and rotation parameters of the object to be treated in the sterilization treatment bin; and controlling the sterilization treatment cabin to carry out sterilization treatment on the object to be treated according to the sterilization and disinfection parameters.

One or more embodiments of the present specification provide a sterilization and disinfection system for precision instruments and consumables by using cold plasma; the sterilization and disinfection system comprises: the detection module is used for acquiring the exposed surface area and the exposed volume of the object to be treated; the calculation module is used for determining sterilization and disinfection parameters according to the exposed surface area and the volume; the sterilization parameters are operation parameters of a sterilization treatment bin during sterilization treatment, and the sterilization parameters at least comprise time parameters for releasing the cold plasma and rotation parameters of the object to be treated in the sterilization treatment bin; and the execution module is used for controlling the sterilization treatment cabin execution equipment to perform sterilization treatment on the object to be treated according to the sterilization and disinfection parameters.

One or more embodiments of the present specification provide a computer-readable storage medium, which stores computer instructions, and when the computer reads the computer instructions in the storage medium, the computer executes a method for sterilizing and disinfecting precision instruments and consumables by using cold plasma.

Drawings

The present description will be further explained by way of exemplary embodiments, which will be described in detail by way of the accompanying drawings. These embodiments are not intended to be limiting, and in these embodiments like numerals are used to indicate like structures, wherein:

FIG. 1 is a schematic diagram of an application scenario of a cold plasma sterilization system for precision instruments and consumables according to some embodiments of the present disclosure;

FIG. 2 is a block diagram of a germicidal sterilization unit in accordance with certain embodiments of the present disclosure; FIG. 3 is a block diagram of a cold plasma sterilization system for precision instruments and consumables in accordance with certain embodiments of the present disclosure;

FIG. 4 is an exemplary flow chart of a method for sterilization and disinfection of precision instruments, consumables using cold plasma according to some embodiments of the present description;

FIG. 5 is an exemplary flow diagram of a method for analyte analysis according to some embodiments of the present description;

FIG. 6A is an image of an object to be processed according to some embodiments of the present description;

FIG. 6B is an image of an object to be processed with item information according to some embodiments of the present description;

fig. 6C is an image of an object to be processed with an area of emphasis according to some embodiments of the present description.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present specification, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only examples or embodiments of the present description, and that for a person skilled in the art, the present description can also be applied to other similar scenarios on the basis of these drawings without inventive effort. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.

It should be understood that "system", "apparatus", "unit" and/or "module" as used herein is a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.

As used in this specification and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.

Flow charts are used in this description to illustrate operations performed by a system according to embodiments of the present description. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to or removed from these processes.

Fig. 1 is a schematic view of an application scenario of a sterilization and disinfection system for precision instruments and consumables by using cold plasma according to some embodiments of the present disclosure.

In some embodiments, the application scenario 100 of the sterilization and disinfection system for precision instruments and consumables using cold plasma may include a sterilization and disinfection apparatus 110, a network 120, a user terminal 130, a controller 140, a storage device 150, and an object to be treated 160.

In some embodiments, one or more components of the application scenario 100 may be connected and/or in communication with each other via a network 120 (e.g., a wireless connection, a wired connection, or a combination thereof). As shown in fig. 1, the controller 140 may be connected to a storage device 150 through the network 120. As another example, the controller 140 may be connected to the sanitizer device 110 via the network 120.

The sterilization device 110 may be a sterilization device using cold plasma for precision instruments and consumables according to some embodiments of the present disclosure. The sterilization and disinfection apparatus 110 may be used to perform a sterilization and disinfection process on the treatment object 160. So that the treated object to be treated 160 meets the corresponding use standard. For example, the sterilization device 110 may be used to sterilize medical instruments so that the treated medical instruments may be reused. In some embodiments, the sterilization and disinfection apparatus 110 may be communicatively connected to the controller 140, and the controller 140 may be used as a controller of the sterilization and disinfection apparatus 110 to control various devices in the sterilization and disinfection apparatus 110 to perform a sterilization and disinfection method for precision instruments and consumables using cold plasma according to some embodiments of the present disclosure.

In some embodiments, the sterilizer 110 and its associated components (e.g., the controller 140) may be integrated into a portable closed sterilization case, which may generate cold plasma inside during the sterilization of the sterilizer 110, so as to sterilize and disinfect the delicate instruments and consumables placed in the portable closed sterilization case.

The network 120 may connect the components of the application scenario 100 and/or external resources. Network 120 enables communication between the various components and with external resources, facilitating the exchange of data and/or information. The network may be a local area network, a wide area network, the internet, etc., and may be a combination of various network architectures.

User terminal 130 refers to one or more user terminals or software used by a user. User terminal 130 may include a smart phone 130-1, a tablet 130-2, a laptop computer 130-3, a desktop computer 130-4, and so on. In some embodiments, the user terminal 130 is connected to the controller 140 through the network 120, and may be configured to display the processing result of the controller 140, for example, the user terminal 130 may receive the parameters of the sterilization process, the sterilization effect, and the like of the controller 140 through the network 120.

The controller 140 may be used to process data and/or information from at least one component of the application scenario 100 (e.g., the germicidal fixture 110, the user terminal 130, the storage device 150) or an external data source (e.g., a cloud data center). The controller 140 may execute program instructions based on such data, information, and/or processing results to perform one or more of the functions described herein. For example, the controller 140 can analyze the information on the object 160 to be processed acquired by the sterilizer 110.

In some embodiments, the controller 140 may be a single processor or a group of processors. The set of processors may be centralized or distributed (e.g., controller 140 may be a distributed system), may be dedicated, or may be serviced by other devices or systems at the same time. In some embodiments, the controller 140 may include one or more sub-processing devices (e.g., single core processing devices or multi-core processing devices). For example only, the controller 140 may include a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), the like, or any combination thereof. In some embodiments, the controller 140 may be integrated into the germicidal device 110 as a controller of the germicidal device 110.

In some embodiments, controller 140 may be connected locally to network 120 or remotely from network 120. In some embodiments, the controller 140 may be implemented on a cloud platform. By way of example only, the cloud platform may include a private cloud, a public cloud, a hybrid cloud, a community cloud, a distributed cloud, an internal cloud, a multi-tiered cloud, and the like, or any combination thereof.

Storage device 150 may be used to store data and/or instructions. In some embodiments, storage device 150 may store data and/or instructions that are used by controller 140 to perform or use to perform the exemplary methods described in this specification. In some embodiments, a storage device 150 may be connected to the network 120 to communicate with one or more components of the cold plasma sterilization system 100 for precision instruments, consumables (e.g., the sterilization device 110).

The object to be processed 160 may refer to an object to which the sterilization and disinfection method shown in some embodiments of the present specification is performed. In some embodiments, the object 160 may be a device to be sterilized that can be placed in the sterilization apparatus 110. For example, the object 160 to be treated may be a precision instrument, a consumable, to be sterilized. Illustratively, the object 160 may be a used medical device (e.g., a hemostat, etc.). In some embodiments, the object to be treated 160 may be pre-treated before performing the plasma sterilization based on the sterilization and disinfection apparatus 110. For example, the used hemostat may be first sterilized by a sterilization method such as a disinfectant to remove blood stain from the hemostat, and then the pretreated hemostat is sent to the sterilization device 110 for plasma sterilization.

FIG. 2 is a schematic view of a germicidal sterilization unit in accordance with certain embodiments of the present disclosure.

As shown in fig. 2, the sterilization and disinfection apparatus 110 may include a sterilization treatment chamber 111, a chamber body 112, a plasma generation electrode 113, a detection device 114, a power source 115, and a controller 140.

The sterilization treatment chamber 111 may be a main performing device of the sterilization and disinfection apparatus 110, and may be used for performing a sterilization treatment on the object to be treated 160 based on the cold plasma. For example, the sterilization treatment chamber 111 may be the aforementioned portable closed type sterilization case, and the respective devices of the sterilization and disinfection apparatus 110 may be integrally provided in the sterilization treatment chamber 111. During operation, the object 160 to be treated can be placed in the enclosed space (the chamber body 112) inside the sterilization treatment chamber 111, and the sterilization treatment chamber 111 can release cold plasma into the enclosed space, so that the cold plasma can contact with the object 160 to be treated, and viruses and bacteria attached to the surface of the object 160 to be treated can be killed.

The chamber body 112 may be a closed space formed by the sterilization treatment chamber 111 during operation. When the sterilization and disinfection treatment is performed, the plasma generating electrode 11 can continuously release cold plasma into the bin body 112, so that the cold plasma is in contact with the object to be treated 160 placed in the bin body 111, and the sterilization and disinfection treatment of the object to be treated 160 is realized.

The plasma-generating electrodes 113 can be used to generate cold plasma and release it into the cartridge body 112. For example, the low-temperature plasma generating electrode 113 may be disposed inside the cartridge body 112, and when the low-temperature plasma generating electrode 113 is operated, cold plasma may be released to the surroundings, and dissipated with the cold plasma, so as to fill the cartridge body 112. In some embodiments, the amount of cold plasma released per unit time by the plasma-generating electrode 113 is related to the internal electric field strength of the plasma-generating electrode 113. When the power supply of the electric field in the plasma-generating electrode 113 is increased, the amount of cold plasma discharged per unit time from the plasma-generating electrode 113 can be increased.

The sensing device 114 may be used to sense relevant parameters within the germicidal device 110. In some embodiments, the specific composition of the detection device 114 may be related to the specific data that needs to be detected. As shown in fig. 2, the detection device 114 may include an infrared ranging detection device 1141, a first image pickup device 1142, and a second image pickup device 1143.

The infrared ranging detection device 1141 may include at least two infrared light panels and an infrared receiving device. In some embodiments, the infrared ranging detection device 1141 may determine the exposed surface area and volume of the object 160 by detecting the distance between the detection points on the surface of the object 160. For more details regarding the determination of the exposed surface area and volume of the object 160 to be treated, reference may be made to the associated description of step 410.

The first image pickup device 1142 may be a common image pickup device, and the first image pickup device 1142 may be used to acquire an image of the object to be processed. The object image can be a photograph of the interior of the cartridge body 112 containing the respective objects to be processed. The object image can be used to confirm the object information and the key area of the object. For more information about the items of the object to be treated and the area of interest, reference may be made to fig. 5 and its associated description.

The second image pickup device 1143 may be an infrared thermal imaging device. The second camera device 1143 can acquire an evaluation image of the inside of the cabin 112, wherein the evaluation image can include temperature information of each position of the cabin 112, and can be used to determine the sterilization effect of the sterilization treatment.

The power source 115 may be integrally disposed within the sterilization treatment chamber 111 and may be in communication with an external power source for providing power to one or more components of the sterilization and disinfection device 110. In some embodiments, a switch button may be provided on the power source to activate and/or deactivate the germicidal device 110. In some embodiments, the controller 140 may control the supply voltage of the power supply 115 to control the operating power of the various components. For example, the controller 140 may control a power supply voltage of the power supply 115 to supply the plasma-generating electrode 113 to adjust the internal electric field strength of the plasma-generating electrode 113, thereby changing the amount of cold plasma discharged per unit time.

In some embodiments, the sterilization device 110 may further include a vacuum pump 116, and the vacuum pump 116 may be integrally disposed inside the sterilization treatment bin 111 and the bin body 112 is in communication with each other, and may be used to exhaust air in the bin body 112, so as to create a vacuum environment and improve the efficiency of the sterilization treatment.

The controller 140 may be integrally disposed inside the sterilization treatment chamber 111 and communicatively connected to one or more components of the sterilization and disinfection apparatus 110 to control the operation state of each device. For example, the controller may control the nozzle 111 to sterilize the treatment object 160. For another example, the controller may control the detection device 114 (e.g., the first image capturing device 1142) to capture an image of the object 160.

In some embodiments, the sterilization and disinfection apparatus 110 may further include a movable nozzle 118, and the movable nozzle 118 may be in communication with a portion of the plasma generation electrode 113 to discharge cold plasma generated at the plasma generation electrode 113 at a fixed point. In operation, the movable nozzle 118 may be moved within the cartridge body 112 and may discharge cold plasma at a localized location, thereby sterilizing the localized area and/or balancing the concentration of cold plasma within the cartridge body 112.

When the sterilization and disinfection process is performed, the cold plasma emitted from the plasma generating electrode 113 tends to concentrate at the plasma generating electrode 113, which may cause the concentration of the cold plasma in the cabin 112 to be unbalanced. Thus, as shown in fig. 2, the cartridge body 112 can further comprise a rotating platform 1121. The rotating platform 1121 may be a supporting platform such as a tray or a rack for holding the object 160 to be processed. The rotating platform 1121 may be rotated at the time of sterilization and disinfection treatment so that the cold plasma is uniformly distributed on the object to be treated 160.

In some embodiments, the sterilization and disinfection device 110 can be activated after the power source 115 is turned on, so that the vacuum pump 116 can pump air out of the cabin 112 to make the interior of the cabin 112 be in a vacuum state. After the wait staff puts in the object to be treated 160, the sensor 113 can detect the relevant parameters of the object to be treated 160. The controller 140 may determine the exposed surface area and volume of the object 160 according to the relevant parameters of the object 160. And determining sterilization parameters according to the exposed surface area and the exposed volume, wherein the sterilization parameters are operation parameters of each device during sterilization treatment, and the sterilization parameters comprise time parameters and rotation parameters. And finally, controlling each device to sterilize and disinfect the object to be treated according to the sterilization and disinfection parameters.

Fig. 3 is a block diagram of a system for sterilizing and disinfecting precision instruments and consumables using cold plasma according to some embodiments of the present disclosure. In some embodiments, the system 300 for sterilizing and disinfecting precision instruments and consumables using cold plasma may include a detection module 310, a calculation module 320, and an execution module 330.

In some embodiments, the detection module 310 may be used to obtain the exposed surface area and volume of the object to be treated. For more on the exposed surface area and volume, see step 410 and its associated description.

In some embodiments, the calculation module 320 may determine the sterilization parameters according to the exposed surface area and the volume; the sterilization parameters can be the operation parameters of the sterilization treatment bin and the plasma generation electrode during sterilization treatment, and the sterilization parameters at least comprise the time parameters of the plasma generation electrode and the rotation parameters of the sterilization treatment bin. For more details on determining sterilization parameters, see step 420 and its associated description.

In some embodiments, the execution module 330 controls the sterilization treatment chamber and the plasma generation electrode to perform sterilization treatment on the object to be treated according to the sterilization parameters. For more details on the sterilization process, reference may be made to step 430 and its associated description.

In some embodiments, the detection module 310 may be used to acquire an image of the object to be treated. The image of the object to be processed can be used for determining the article information of the object to be processed.

In some embodiments, the calculation module 320 may be further configured to determine, according to the article information and the image of the object to be processed, a key area of the object to be processed that needs to be sterilized; and based on the region of interest, determining a sterilization position of the movable nozzle. The execution module 330 may further be configured to control the movable nozzle to move to the sterilization position and control the plasma generation apparatus to perform the sterilization and disinfection process based on the sterilization and disinfection parameters. For more on the focus area, see the related description of fig. 5.

In some embodiments, the sterilization and disinfection system 300 for precision instruments and consumables using cold plasma may further include an evaluation module 340, and the evaluation module 340 may be configured to acquire an evaluation image of the sterilization treatment chamber after the sterilization and disinfection treatment; and determining the sterilizing effect of the sterilizing and disinfecting treatment on the sterilizing treatment bin based on the evaluation image. For more on determining the evaluation image, the killing effect can be seen in step 440, step 450 and their related descriptions.

Some embodiments of the present description also provide a computer-readable storage medium. The storage medium stores computer instructions, and after the computer reads the computer instructions in the storage medium, the computer executes the method for sterilizing and disinfecting the precision instruments and consumables by using the cold plasma provided by the embodiment of the specification.

It should be noted that the above descriptions of the sterilization system and the modules thereof for the cold plasma used in the precision instruments and consumables are only for convenience of description and should not be construed as limiting the present disclosure to the illustrated embodiments. It will be appreciated by those skilled in the art that, given the teachings of the present system, any combination of modules or sub-system configurations may be used to connect to other modules without departing from such teachings. In some embodiments, the detection module 310, the calculation module 320, the execution module 330, and the evaluation module 340 disclosed in fig. 3 may be different modules in a system, or may be a module that implements the functions of two or more modules described above. For example, each module may share one memory module, and each module may have its own memory module. Such variations are within the scope of the present disclosure.

Fig. 4 is an exemplary flow chart of a method for sterilizing and disinfecting precision instruments and consumables using cold plasma according to some embodiments of the present disclosure. In some embodiments, the process 400 may be performed by the controller 140 or the sterilization system 300 for delicate instruments, consumables based on the sterilization device 110.

As shown in fig. 4, the process 400 includes the following steps:

step 410, the exposed surface area and volume of the object to be treated are obtained.

The exposed surface area may refer to the surface area of the object to be treated that is not masked. For example, the exposed surface area may refer to an area of the object to be treated exposed to the plasma-containing air after the object to be treated is placed in the sterilization treatment chamber. For another example, the sterilization treatment chamber is generally provided with a tray for placing the object to be treated, and the area of the object to be treated which is not in contact with the tray after being placed on the tray may be an exposed surface area.

In some embodiments, the detection module 210 may determine the exposed surface area and volume based on the detection results of a sensor (e.g., the infrared ranging detection device 1141). The infrared ranging detection device 1141 may be disposed inside the bin 112, and emit infrared rays to the object 160 to be processed through two infrared light panels, and the infrared receiving device receives the reflected infrared rays, thereby determining the distance between the infrared receiving device and each detection point on the surface of the object 160 to be processed. Thereby determining the exposed surface area and volume of the object 160 to be treated. For example, the infrared ranging detection device 1141 may determine the heights of the detection points on the surface of the object 160 to be processed according to the position thereof and the distances from the detection points on the surface of the object 160 to be processed, so as to model the surface of the object 160 to be processed, and further determine the exposed surface area and the exposed volume of the object 160 to be processed.

In some embodiments, the detection device 114 may include a three-dimensional camera capable of acquiring depth information, which may be disposed inside the sterilizer 110 (e.g., above the cartridge body 112), and may acquire depth information of the object to be treated and determine an exposed surface area and a volume based on the depth information.

And step 420, determining sterilization and disinfection parameters according to the exposed surface area and the exposed volume.

The sterilization parameters are the operation parameters of the sterilization treatment bin during the sterilization treatment. In some embodiments, the sterilization parameters include at least a time parameter for releasing the cold plasma and a rotation parameter of the object to be treated in the sterilization treatment chamber.

The time parameter may reflect the duration of the sterilization process. In some embodiments, the time parameter may be related to the exposed surface area and volume of the object to be treated. Wherein, when the exposed surface area and volume are larger, the duration of the sterilization treatment is longer.

The rotation parameters can reflect rotation of the treatment within the cartridge body 112. For example, the rotation parameters may include rotational speed, acceleration, and other related parameters of the rotating platform (e.g., rotating platform 1121).

It should be understood that the surface area per unit volume can be determined according to the exposed surface area and the volume, and when the surface area per unit volume is larger, it means that the cold plasma takes longer time to be in sufficient contact with the surface of the object to be treated 160, and the rotating speed needs to be reduced.

In some embodiments, the sterilization parameters further include power parameters of the plasma-generating electrode. The power parameter is related to the electric field intensity of the plasma generating electrode, and can be used for controlling the release amount of the cold plasma per unit time. For example, the power parameter may reflect the supply power of the supply voltage of the plasma-generating electrode.

In some embodiments, the power parameter may be determined according to the actually required release amount per unit time of the cold plasma. For example, when the exposed surface area and volume of the object to be treated are large, more cold plasma is required to achieve sterilization. Thereby the power parameters may be increased to release more cold plasma.

In some embodiments, the power parameter may also affect other operating parameters (e.g., time parameters). For example, for Bacillus subtilis var niger, the plasma generating electrode needs 60 minutes for sterilization at a power of 50 watts, and only needs 5 minutes for sterilization at a power of 200 watts. In some embodiments, the power parameter may also be calculated inversely according to the actual required plasma concentration. Namely, the power of the plasma generating electrode capable of maintaining the plasma concentration is determined according to the plasma concentration.

In some embodiments, the calculation module 220 may preset a plurality of sterilization strategies, each sterilization strategy including an applicable range of exposed surface area and volume and a corresponding preset sterilization parameter. When the detected exposed surface area and the detected exposed volume meet a certain application range, a corresponding sterilization strategy can be adopted, and the corresponding preset sterilization parameter determination rate is the sterilization parameter of the plasma generation electrode. For example, a germicidal sterilization strategy may include a treatment that requires 50 watts of power to sterilize for 60 minutes within 0.01 square meters of exposed surface area. The parameters of the sterilization strategy may be used as the sterilization parameters of the object 160 when the relevant parameters of the object 160 satisfy the requirements of the sterilization strategy.

And step 430, controlling the sterilization treatment cabin to perform sterilization treatment on the object to be treated according to the sterilization and disinfection parameters.

In some embodiments, the controller 140 may determine parameters of each device according to the sterilization parameters and send the parameters to the corresponding device. For example, the power supply and the plasma discharge amount of each plasma generation electrode may be determined according to a power parameter (e.g., total power), and the power supply may be controlled to supply power to each plasma generation electrode according to the power supply.

The cold plasma provided by some embodiments based on the description is used for a sterilization method of precision instruments and consumables. The corresponding sterilization and disinfection parameters can be adjusted according to the exposed surface area and the volume of the object to be treated, so that the sterilization and disinfection operation can further meet the sterilization and disinfection requirements of the object to be treated.

In some embodiments, the effectiveness of the sterilization may be evaluated after the sterilization process is completed. As shown in fig. 3, the process 300 may further include the following steps for evaluating the killing effect;

and step 440, acquiring an evaluation image of the sterilization treatment bin after sterilization and disinfection treatment.

The evaluation image may refer to an image directly or indirectly reflecting the distribution of plasma in the sterilization chamber. In some embodiments, the temperature of the cold plasma is different from the room temperature, and the evaluation image may be a temperature image obtained by a second camera device 1143 (e.g., an infrared thermal imaging device). In the temperature image, the temperature of each region can be characterized by the color of the region. For example, red may represent a high temperature and blue may represent a low temperature.

In some embodiments, based on the aforementioned evaluation image, the sterilization treatment chamber may be divided into a plurality of local regions. The local area can be divided according to actual conditions. For example, the internal space of the sterilization treatment compartment may be divided into a plurality of partial regions according to the location. For another example, the plasma discharge position (e.g., the position of the nozzle) may be divided into a plurality of partial regions along the discharge direction.

And step 450, determining the sterilizing effect of the sterilizing and disinfecting treatment performed by the sterilizing treatment bin based on the evaluation image.

In some embodiments, the cold plasma concentration of each local area in the cabin body 112 can be determined based on the evaluation image, and then the sterilization effect of the sterilization and disinfection treatment performed by the sterilization treatment cabin can be determined based on the cold plasma concentration. When the temperature of a certain local area in the evaluation image is close to the room temperature, the area is determined to be less affected by the cold plasma, and the cold plasma concentration of the local area is low; a temperature in a region close to the temperature of the cold plasma (e.g., the temperature of the cold plasma) indicates that the plasma concentration in that region is high.

In some embodiments, the temperature of the local region may be determined from the evaluation image. For example, the local temperature of each local area in the sterilization treatment bin can be determined according to the evaluation image; and determining the killing effect according to the local temperature of each local area. Wherein the local temperature may be an average temperature of the region, which may be determined from the color of the evaluation image.

In some embodiments, the killing effect may be determined from the relationship between the temperature of the localized area and the cold plasma temperature and room temperature. When the temperature of the local area is closer to the temperature of the cold plasma, the area can be judged to be sufficiently sterilized. When the temperature of the area is closer to room temperature, it is considered that the sterilization and disinfection of the area are insufficient. In some embodiments, the kill effect may be characterized by a kill rating. May be determined by comparing the temperature of the localized area to a temperature threshold corresponding to a kill level.

In some embodiments, based on the temperature of the local area, an area where the temperature of the local area satisfies a preset condition may be determined as a sterilization weak area. The concentration of the plasma in the killing weak area may not meet the killing requirement, and when the object to be treated passes through the local area, the plasma distribution on the surface of the object to be treated may be uneven, thereby affecting the killing effect. In some embodiments, the preset condition may be a temperature threshold, wherein the temperature of the low-temperature plasma may be less than the temperature threshold, the temperature of the temperature threshold is less than the room temperature, and when the temperature of the local area is greater than the temperature threshold, it is determined that the preset condition is satisfied.

In some embodiments, the movable nozzle can be controlled to discharge plasma aiming at the part of the object to be treated, which is positioned in the sterilization weak area, after the sterilization and disinfection treatment is finished, so as to realize secondary sterilization on the sterilization weak area. Wherein the disinfection time of the movable nozzle to the disinfection weak area is related to the temperature difference between the temperature of the disinfection weak area and the plasma temperature. The larger the temperature difference, the longer the sterilization time.

It should be noted that the above description related to the flow 400 is only for illustration and description, and does not limit the applicable scope of the present specification. Various modifications and changes to the flight control of a process drone may be made by those skilled in the art in light of this specification. However, such modifications and variations are intended to be within the scope of the present description.

FIG. 5 is an exemplary flow diagram of a method for analyte analysis according to some embodiments of the present disclosure. In some embodiments, the flow 500 may be performed based on the controller 140. As shown in fig. 5, the process 500 may include the following steps:

step 510, acquiring an image of the object to be processed.

The object image may be image information of the object after the object is placed in the sterilization treatment chamber. The image of the object to be processed can reflect the placing condition of the object to be processed in the sterilization processing bin. In some embodiments, the object images may reflect the placement of individual objects. For example, in each disinfection and sterilization, a plurality of objects to be treated can be placed in the sterilization treatment chamber, and the images of the objects to be treated can reflect the placement condition of each object to be treated in the sterilization treatment chamber.

In some embodiments, the image of the object to be processed may be acquired by the first image capturing device 1142. For example, the first camera device 1142 may be disposed above the sterilization treatment chamber and face the object to be treated to acquire a top view of the object to be treated as an image of the object to be treated.

Step 520, determining the article information of the object to be processed according to the image of the object to be processed.

The article information may reflect information related to each object to be processed. The article information may include the type of the object to be processed.

In some embodiments, the item information may be determined by manually identifying the image to be processed. For example, when the object to be processed is placed in the sterilization treatment chamber, an image of the object to be processed may be presented to a worker, so that the worker determines article information (such as the type of the object to be processed) through an interactive operation.

In some embodiments, the item information may be determined by identifying the image to be processed by a first identification model. In some embodiments, the object image may be processed based on the first recognition model to determine item information of the object. Wherein the first recognition model may be a trained machine learning model. For example, the first recognition model may be a trained Convolutional Neural Networks (CNN) model.

The input of the first recognition model may be an image of the object to be recognized, and the output may include a processed image of the object to be recognized. The processed image of the object to be recognized comprises a recognition frame and a corresponding type of each object to be recognized. The identification frame and the corresponding type of each object to be processed in the image to be processed. The recognition frame may be a rectangular frame body presented in the image, and the recognition frame may reflect the article information of the image in the frame body. For example, the type of the object to be processed may be represented by the related information (such as color, frame line, remark information, etc.) of the identification frame.

For example, the controller may input the object image to be processed 610 shown in fig. 6A into the first recognition model, wherein the object image to be processed 600 includes only the surgical scissors 1601 and one surgical knife 1602. The processed image 620 of the object to be processed as shown in fig. 6B is obtained by the first recognition model.

As shown in fig. 6B, in the processed image 620 of the object to be processed, the item information of the surgical scissors 1601 may be identified by the identification box 1611. A label 1631 may be disposed on the identification frame 1611, and the label 1631 may indicate the type of the surgical scissors 1601 in a text form. The item information for scalpel 1602 may be identified by identification box 1612. A label 1632 may be disposed on the label box 1612, and the label 1632 may indicate the type of the scalpel 1602 in text form.

In some embodiments, the initial first recognition model may be trained based on training data to determine the first recognition model. Wherein the initial first recognition model may be the first recognition model with no parameters set.

The training data of the initial first recognition model may include a first training sample and a first sample label. The first training sample may be a sample image containing various sample items. The first sample tag may be item information with the sample item. Wherein, the article information can be embodied by the identification frame marked manually. In training the initial first recognition model, first training samples may be input to the initial first recognition model to obtain a model output. And then constructing a loss function according to the model output and the first sample label, and iterating the parameters of the initial first recognition model until the training is completed. And using the trained initial first recognition model as the first recognition model. The training completion may include the cases that the number of iterations exceeds a threshold, the error of the model output and the first sample label converges, and the like.

In some embodiments, the article information may further include a placement state of the object to be processed. Wherein, the placing state can comprise the overlapping condition between the objects to be processed. In some embodiments, the overlap may be determined based on the rate of overlap between the identified boxes. As shown in fig. 6B, if there is an overlap between the recognition frame 1611 and the recognition frame 1622, there may be an overlap between the corresponding objects to be processed, and the overlap between the objects to be processed may be determined according to the overlap rate between the recognition frames. The placing state can also comprise the placing state of the object to be processed. For example, for a surgical shears, its own pose may include the opening angle of the scissor head. In some embodiments, the self-placing state can be determined according to the type of the article and the image of the object to be processed. For example, the image of the object to be processed may be compared with a plurality of preset placing states of the type of the object, and the placing state with the highest similarity may be used as the placing state of the object.

In some embodiments, whether the object to be processed meets the corresponding placing rule can be determined based on the placing state. The placing rule can be a rule which is satisfied by the placing state of the object to be processed when the object to be processed is disinfected and sterilized. For example, the placement rules may include that there may be no overlap between the items to be treated, and that the items themselves are not allowed to appear as unexposed areas (e.g., closed surgical scissors). And when the object to be processed meets the corresponding placing rule, performing disinfection and sterilization treatment on the object to be processed according to the disinfection and sterilization parameters. And when the object to be processed does not meet the corresponding placing rule, generating prompt information. Wherein, the prompt message can be presented to the staff to remind the staff to put the object to be treated again.

In some embodiments, the process 500 may further analyze the image to be processed to determine areas of interest that require sterilization. As shown in fig. 5, the process 500 may further include the following steps:

and step 530, determining a key area of the object to be processed, which needs to be sterilized and disinfected, according to the object information and the image of the object to be processed.

The focal region may refer to a region where the object to be treated is likely to accumulate bacteria during use. For example, the important region may include a region where the object to be treated is in direct contact with other objects. Illustratively, the areas of emphasis may include the blade area and the grip area of surgical scissors, scalpels. In some embodiments, the areas of emphasis may also include areas with higher sterilization requirements. For example, the region of interest may include a region that is in direct contact with the body (e.g., a needle, etc.). For another example, when the object to be processed is a test tube cavity product, the important region may be inside the tube opening of the test tube cavity product.

In some embodiments, the region of interest may be determined according to the type of object to be treated. For example, the region of interest of the type of the object to be treated may be determined according to a preset rule according to the type of the object to be treated. When the object to be treated is determined to be the scalpel, the key area of the object to be treated can be determined to be the knife edge according to a preset rule. After the controller identifies the article information of the object to be processed, the key area can be determined according to the type of the object to be processed and marked in the image to be processed.

In some embodiments, the key area may further be identified and determined by the second identification model on the processed image of the object to be identified. Wherein the second recognition model may be a trained machine learning model. For example, the second recognition model may be a trained CNN model.

In some embodiments, the input of the second recognition model may be the processed image of the object to be recognized for recognition determination, and the output may be the image of the target object to be processed, where the image of the target object to be processed may include the region of interest of each object to be processed in addition to the recognition frame and the type of each object to be recognized. The presentation mode of the recognition frame of the key area in the object to be recognized may be different from the presentation mode of the recognition frame of the object to be recognized. For example, the identification frame of the item information may be a rectangular solid line, and the identification frame of the emphasized region may be a circular dotted line.

For example, the image to be processed 620 shown in fig. 6B may be input into the second recognition model to determine the image to be recognized 630 after the important region recognition as shown in fig. 6C.

As shown in fig. 6C, the image to be recognized 630 after the identification of the important region may include an important region identification frame 1621 of the surgical scissors 1601 and an important region identification frame 1622 of the surgical knife 1602. The identification frame of the key area may indicate that the area defined by the identification frame is the key area.

In some embodiments, the initial second recognition model may be trained based on training data to determine the second recognition model. Wherein the initial second recognition model may be the first recognition model without setting parameters.

The training data of the initial second recognition model may include a second training sample and a second sample label. The second training sample may be a sample image with item information and containing a sample item (for example, the sample image may be processed by the first recognition model). The second sample label may be a sample image with an area of emphasis. The key areas can be embodied by manually marked identification frames. In training the initial second recognition model, second training samples may be input to the initial second recognition model to obtain a model output. And constructing a loss function according to the model output and the second sample label, and iterating the parameters of the initial second recognition model until the training is finished. And using the trained initial second recognition model as a second recognition model.

Based on the region of interest, a sterilization position of the movable nozzle is determined, step 540.

The sterilization position of the movable nozzle may refer to a position where the movable nozzle releases plasma.

In some embodiments, the controller may determine the sterilization location based on the region of interest. For example, a sterilization position that can completely cover the region of interest may be determined as the sterilization position based on the movable nozzle and the region of interest.

And step 550, controlling the movable nozzle to move to the sterilization position, and performing sterilization treatment based on the sterilization parameters.

To sterilize the object to be treated completely, the controller 140 may control the rotation of the rotation platform 1111 based on the sterilization parameters, so that the plasma is uniformly coated on the surface of the object to be treated for sterilization. Then, the rotation is stopped, the movable nozzle is controlled to move to the sterilization position, and the fixed-point sterilization and disinfection treatment is carried out on the key area of each object to be treated. The sterilization parameters may also include the duration of the spot sterilization process. For example, the surgical scissors may be rotated to perform the overall sterilization and disinfection process for 30 minutes (i.e., the surgical scissors are rotated in the plasma-filled sterilization and disinfection chamber), and then the blade head region may be subjected to the spot sterilization and disinfection process for 5 minutes.

In some embodiments, when the fixed-point sterilization and disinfection treatment is performed on the test tube cavity type product, the movable nozzle can be controlled to move to the position of the tube orifice of the test tube cavity type product, and the plasma generation electrode is controlled to spray plasma inside the tube orifice to perform the fixed-point sterilization and disinfection treatment based on the sterilization and disinfection parameters. Wherein the sterilization and disinfection parameters comprise the processing time of fixed-point sterilization and disinfection treatment, and the processing time is related to the inner wall area of the test tube. The larger the inner wall area, the longer the treatment time.

The method for analyzing the object to be treated, which is provided by some embodiments of the specification, can further adapt sterilization and disinfection parameters to the actual situation of the object to be treated, so that the sterilization and disinfection effects of the object to be treated are improved.

Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be regarded as illustrative only and not as limiting the present specification. Various modifications, improvements and adaptations to the present description may occur to those skilled in the art, though not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present specification and thus fall within the spirit and scope of the exemplary embodiments of the present specification.

Also, the description uses specific words to describe embodiments of the description. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the specification is included. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the specification may be combined as appropriate.

Additionally, the order in which the elements and sequences of the process are recited in the specification, the use of alphanumeric characters, or other designations, is not intended to limit the order in which the processes and methods of the specification occur, unless otherwise specified in the claims. While various presently contemplated embodiments of the invention have been discussed in the foregoing disclosure by way of example, it is to be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.

Similarly, it should be noted that in the foregoing description of embodiments of the present specification, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to imply that more features than are expressly recited in a claim. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.

Numerals describing the number of components, attributes, etc. are used in some embodiments, it being understood that such numerals used in the description of the embodiments are modified in some instances by the use of the modifier "about", "approximately" or "substantially". Unless otherwise indicated, "about", "approximately" or "substantially" indicates that the number allows a variation of ± 20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximations that may vary depending upon the desired properties of the individual embodiments. In some embodiments, the numerical parameter should take into account the specified significant digits and employ a general digit preserving approach. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the range in some embodiments of the specification are approximations, in specific embodiments, such numerical values are set forth as precisely as possible within the practical range.

For each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, etc., cited in this specification, the entire contents of each are hereby incorporated by reference into this specification. Except where the application history document does not conform to or conflict with the contents of the present specification, it is to be understood that the application history document, as used herein in the present specification or appended claims, is intended to define the broadest scope of the present specification (whether presently or later in the specification) rather than the broadest scope of the present specification. It is to be understood that the descriptions, definitions and/or uses of terms in the accompanying materials of this specification shall control if they are inconsistent or contrary to the descriptions and/or uses of terms in this specification.

Finally, it should be understood that the embodiments described herein are merely illustrative of the principles of the embodiments of the present disclosure. Other variations are also possible within the scope of the present description. Thus, by way of example, and not limitation, alternative configurations of the embodiments of the present specification can be seen as consistent with the teachings of the present specification. Accordingly, the embodiments of the present description are not limited to only those embodiments explicitly described and depicted herein.

Claims

1. The utility model provides a cold plasma is used for the sterilizing and disinfecting device of precision instruments, consumptive material which characterized in that, the sterilizing and disinfecting device includes:

the sterilization treatment bin is used for performing sterilization treatment on an object to be treated based on cold plasma, wherein the sterilization treatment bin comprises a plasma generation electrode used for releasing the cold plasma; and

the controller is in communication connection with the sterilization treatment bin and is used for:

acquiring the exposed surface area and the exposed volume of the object to be treated;

determining sterilization and disinfection parameters according to the exposed surface area and the volume; the sterilization parameters are operation parameters of the sterilization treatment bin during sterilization treatment, and the sterilization parameters at least comprise time parameters for releasing the cold plasma and rotation parameters of the object to be treated in the sterilization treatment bin; and

and controlling the sterilization treatment bin to perform sterilization and disinfection treatment on the object to be treated according to the sterilization and disinfection parameters.

2. A sterilization and disinfection apparatus as defined in claim 1, further comprising:

the first camera equipment is in communication connection with the controller and is used for shooting the object to be processed to obtain an image of the object to be processed;

the controller is further configured to:

acquiring an image of the object to be processed;

and determining the article information of the object to be processed according to the image of the object to be processed.

3. A sterilisation and disinfection apparatus as claimed in claim 2, wherein said plasma-generating electrode comprises a movable nozzle for discharging said cold plasma, said controller being further adapted to:

determining a key area of the object to be processed, which needs to be sterilized and disinfected, according to the object information and the image of the object to be processed;

determining a sterilization position of the movable nozzle based on the region of interest; and

and controlling the movable nozzle to move to the sterilization position, and performing sterilization and disinfection treatment based on the sterilization and disinfection parameters.

4. A sterilization and disinfection apparatus as defined in claim 1, further comprising:

the second camera equipment is used for shooting the sterilized and disinfected objects to obtain an evaluation image of the sterilized treatment bin after the sterilized and disinfected objects are sterilized;

the controller is further configured to:

acquiring the evaluation image;

and determining the sterilizing effect of the sterilization and disinfection treatment on the sterilization treatment bin based on the evaluation image.

5. A sterilization and disinfection method for precision instruments and consumables by cold plasma, which is characterized in that the sterilization and disinfection method is applied to the sterilization and disinfection device of any one of claims 1 to 4, and the method comprises the following steps:

acquiring the exposed surface area and the exposed volume of an object to be treated;

determining sterilization and disinfection parameters according to the exposed surface area and the volume; the sterilization parameters at least comprise time parameters for releasing the cold plasma and rotation parameters of the object to be treated in the sterilization treatment bin; and

6. The sterilization and disinfection method of claim 5, further comprising:

acquiring an image of an object to be processed;

7. The sterilization and disinfection method of claim 6, further comprising:

determining a sterilization position of the movable nozzle based on the key area; and

8. The sterilization and disinfection method of claim 5, further comprising:

acquiring an evaluation image of the sterilization treatment bin after sterilization and disinfection treatment;

and determining the sterilizing effect of the sterilizing and disinfecting treatment on the sterilizing treatment bin based on the evaluation image.

9. A cold plasma sterilization and disinfection system for precision instruments and consumables is characterized by comprising:

the detection module is used for acquiring the exposed surface area and the exposed volume of the object to be treated;

the calculation module is used for determining sterilization and disinfection parameters according to the exposed surface area and the volume; the sterilization parameters are operation parameters of a sterilization treatment bin during sterilization treatment, and the sterilization parameters at least comprise time parameters for releasing the cold plasma and rotation parameters of the object to be treated in the sterilization treatment bin; and

and the execution module is used for controlling the sterilization treatment cabin to carry out sterilization treatment on the object to be treated according to the sterilization and disinfection parameters.

10. A computer-readable storage medium, wherein the storage medium stores computer instructions, and when the computer instructions in the storage medium are read by a computer, the computer performs the method of any one of claims 5 to 8.