Désinfection et stérilisation des instruments médicaux

For healthcare professionals, viruses and bacteria are invisible enemies. To reduce the risk of contamination and infection, it is essential to ensure perfect hygiene in the facility. Nosocomial infections occur when the causative bacteria infect a hospitalized patient. Current regulations require medical centers (hospitals, clinics, care centers, etc.) to adopt a plan to reduce the risk of infection by applying maintenance protocols for medical instruments. Some instruments are disposable, others are reused after cleaning, disinfection and sterilization. Disinfection and sterilization of reusable instruments are essential steps to prevent the risk of contamination. For many people, the two concepts are the same. However, the two procedures are completely different in method and purpose. The required procedures depend on the instrument, its use and the level of infection risk. Which procedure should you choose, disinfection or sterilization? Are disinfected medical instruments sterile? Must all medical instruments be sterilized before reuse? Pharma GDD explains it all! Disinfection is part of the general processing of reusable medical instruments. It is an operation that has an instantaneous effect that removes some of the undesirable microorganisms. The number does not become zero, nor does it become sterile. Microorganisms are destroyed by chemical reactions with the disinfectant. Disinfection therefore follows the general laws of chemistry:

La désinfection : comment ça marche ?

Law of duration: the contact time between the product and the microorganism must be minimal; Law of temperature: the higher the temperature, the faster the disinfection; Law of concentration: products that are too dilute are less active, and at too high a concentration, coagulation occurs on the surface of the microorganisms, preventing their thorough action; Law of pH: certain products, such as phenolic and chlorine-based products, are more active in an acidic environment; Law of inhibitors: certain substances can inhibit the action of disinfectants.

The disinfecting procedure must be a compatible with the risks involved. Effective disinfection needs to evaluate the risk of infection. The properties of the treatment and the tenderness of the patient are two factors in this evaluation. Therefore, the necessary measures are adapted according to the risk level and the medical device used. Equipment that contacts mucous membranes and damaged skin (gastric camera, colon camera, etc.) is classified as a sem i-critical infection risk. Disinfection should be at the intermediate level. Equipment that is in contact with the skin of an intact patient or not directly contacted is considered an no n-demonstration. Since the pollution risk is low, disinfection is performed at a low level. The level of requirements for equipment and treatment must also be considered in the environment (operating room, treatment room, bedroom, etc.).

Désinfection du matériel médical : dans quel cadre ?

Medical devices go through various stages to determine the effect of disinfection.

Étapes et procédés d'une désinfection efficace

At this stage, it is necessary to make it easier to clean, lower the pollution level, and protect the staff and the environment. Medical equipment must be soaked in a immersion tank containing a detergent with a sterilized effect.

Pré-traitement

The cleaning protocol removes dirt. Effective cleaning can reduce the load of microorganisms that may inactive products in the disinfecting. Cleaning combines four actions: mechanical (brushing), chemical (detergent), immersion time, and temperature. Clean cleaning by hand or use appropriate washing machine such as ultrasonic tanks. The detergent is mainly used on the surface by its spray head. < SPAN> The disinfecting procedure must be a compatible with relevant risks. Effective disinfection needs to evaluate the risk of infection. The properties of the treatment and the tenderness of the patient are two factors in this evaluation. Therefore, the necessary measures are adapted according to the risk level and the medical device used. Equipment that contacts mucous membranes and damaged skin (gastric camera, colon camera, etc.) is classified as a sem i-critical infection risk. Disinfection should be at the intermediate level. Equipment that is in contact with the skin of an intact patient or not directly contacted is considered an no n-demonstration. Since the pollution risk is low, disinfection is performed at a low level. The level of requirements for equipment and treatment must also be considered in the environment (operating room, treatment room, bedroom, etc.).

Nettoyage

Medical devices go through various stages to determine the effect of disinfection.

Désinfection

At this stage, it is necessary to make it easier to clean, lower the pollution level, and protect the staff and the environment. Medical equipment must be soaked in a immersion tank containing a detergent with a sterilized effect.

The cleaning protocol removes dirt. Effective cleaning can reduce the load of microorganisms that may inactive products in the disinfecting. Cleaning combines four actions: mechanical (brushing), chemical (detergent), immersion time, and temperature. Clean cleaning by hand or use appropriate washing machine such as ultrasonic tanks. The detergent is mainly used on the surface by its spray head. The disinfecting procedure must be a compatible with the risks involved. Effective disinfection needs to evaluate the risk of infection. The properties of the treatment and the tenderness of the patient are two factors in this evaluation. Therefore, the necessary measures are adapted according to the risk level and the medical device used. Equipment that contacts mucous membranes and damaged skin (gastric camera, colon camera, etc.) is classified as a sem i-critical infection risk. Disinfection should be at the intermediate level. Equipment that is in contact with the skin of an intact patient or not directly contacted is considered an no n-demonstration. Since the pollution risk is low, disinfection is performed at a low level. The level of requirements for equipment and treatment must also be considered in the environment (operating room, treatment room, bedroom, etc.).

Medical devices go through various stages to determine the effect of disinfection.

[Déconfinement] Six solutions pour désinfecter votre entreprise ou votre site industriel

At this stage, it is necessary to make it easier to clean, lower the pollution level, and protect the staff and the environment. Medical equipment must be soaked in a immersion tank containing a detergent with a sterilized effect.

The cleaning protocol removes dirt. Effective cleaning can reduce the load of microorganisms that may inactive products in the disinfecting. Cleaning combines four actions: mechanical (brushing), chemical (detergent), immersion time, and temperature. Clean cleaning by hand or use appropriate washing machine such as ultrasonic tanks. The detergent is mainly used on the surface by its spray head.

Destroy or inactivate microorganisms. There are two methods of disinfection: chemical, which involves immersing the medical instruments in a disinfectant solution or using specific instruments. Disinfectants, such as ANIOS disinfectant, are selected depending on the level of disinfection required (bactericidal, fungicidal, virucidal, mycobactericidal, sporicidal). Thermal or chemical-thermal methods are usually carried out using specific equipment such as steam disinfectors, washer-disinfectors or bedpan cleaners.

ANIOS

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Pre-disinfectant for medical instruments ANIOS Clean Excel D

L'Usine Nouvelle presents some equipment and innovations to carry out disinfection in preparation for the resumption of activity in places of business and factories. Here we present an overview of these decontamination techniques.

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May 6, 2020 10:09 The cleaning protocol removes dirt. Effective cleaning can reduce the load of microorganisms that may inactive products in the disinfecting. Cleaning combines four actions: mechanical (brushing), chemical (detergent), immersion time, and temperature. Clean cleaning by hand or use appropriate washing machine such as ultrasonic tanks. The detergent is mainly used on the surface by its spray head. ANIOS Destroy or inactivate microorganisms. There are two methods of disinfection: chemical, which involves immersing the medical instruments in a disinfectant solution or using specific instruments. Disinfectants, such as ANIOS disinfectant, are selected depending on the level of disinfection required (bactericidal, fungicidal, virucidal, mycobactericidal, sporicidal). Thermal or chemical-thermal methods are usually carried out using specific equipment such as steam disinfectors, washer-disinfectors or bedpan cleaners. Label Tag Quality Label Tag Main Label Tag Precision Label Tag Quality Label Tag Main Label Tag Precision Label Tag Quality Label Tag Main Label Tag Precision Label Tag Quality Label Tag Main Manage your favorite topics Confirm your selection

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2020/05/06 : 10:09

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Fybots

Fybots is strengthening its cleaning robot lineup with disinfection solutions by introducing a biocide dispenser from Octopus.

For many companies, decontamination is synonymous with returning employees to work, so the government has issued instructions to employers to ensure the safety of their employees. The Ministry of Labor has set up an expert team since March 26 to create "Advice Sheets and Guides for Employees and Employers" detailing the procedures to be followed depending on the activity.

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In addition, the government has issued general recommendations (such as ensuring space for each employee, frequency of cleaning of premises, ventilation, etc.).

L'Usine Nouvelle has identified several technologies that can help you decontaminate your company or industrial premises:

1. Automatic disinfection by Airinspace

Airinspace is a French company specialized in infection risks in hospitals and produces automatic disinfection solutions using aerosolization. The system developed by the company, based in Élancourt (Yvelines), was originally developed for hospitals and epidemiological laboratories, which have strict safety requirements, and has been validated against RF standards for the destruction of the Covid-19 virus.

"The automatic disinfection technology (...) makes it possible to disinfect a room 100% without anyone's intervention, thanks to the product that is transformed into a mist of microdroplets that adhere to all surfaces and destroy the virus. In two hours, a room of 30 square meters is made safe for 12 euros. We already have orders for research and development laboratories and meeting rooms." " says the company's president, Stephane Chatonnet.

2. Ecolog's ecological disinfection solution

Ecolog International, a provider of integrated services and environmental solutions, announced that it has developed an "environmentally friendly, non-chemical and safe solution" known as "EDS-4. 0". The German group partnered with Treox Industries, a manufacturer of disinfectants with active ingredients, to develop the product.

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After "several years of research and testing", the disinfectant contains the active ingredient Treox D, which is able to "rapidly eliminate viruses, bacteria, germs and other microorganisms" and has been verified by "various institutions", Ecolog reports in a press release. The solution, entirely manufactured in Germany, "contains only activated and ionized components of water and salt, making it non-toxic, non-irritating (and) environmentally friendly", Ecolog says.

The company plans to offer the solution to the defense, aviation, transport, energy, food processing and manufacturing sectors.

3. Equipment disinfection tunnel by Dagaard

The decontamination tunnel, developed by Dagaard and CleanTech99, treats infected equipment with a hydrogen peroxide-based biocidal solution. "We have not tested it for Covid-19, as it does not carry the virus, but we are testing it for closely related viruses that are more resistant, according to the NF EN 14476 standard. We can treat equipment that has come into contact with Covid-19," explains Sébastien Alix-Le Nguyen, scientific director at Lab'Science.

Dagard (headquartered in Boussac, Cluses), a European market leader in modular walls for cold rooms, thermostatic structures and cleanroom enclosures, commissioned Lab'Science to design the DT99 disinfection tunnel, which allows for fast and automatic decontamination of equipment. Dagard provided the infrastructure for the tunnel, while CleanTech99 provided HyperDryMist, a closed-circuit airborne disinfection technology. "This innovation is based on a very simple technology: a micronebulizer that generates an aerosol of a hydrogen peroxide-based biocidal solution," explains Sébastien Alix-Le Nguyen. The tunnel can be adapted according to the customer's wishes. Dagard, a subsidiary of the Purebar Group, employs 390 people and generated sales of 84 million euros in 2019.

4. Virus detection with C4Diagnostics

To support companies and public institutions in their decontamination strategies, Marseille-based C4Diagnostics, which specializes in screening for infectious diseases, is launching a subsidiary dedicated to detecting the Covid-19 virus. Called C4Services, the subsidiary will carry out tests on samples in its Marseille laboratory at the request of public and private customers to ensure that the virus is not present.

Sampling can be performed directly by a company or by the approved partner's network, "said UNES Laslack, President of C4Dignostics. Use a cotton swab to collect the sample, and pass through a sensitive surface, such as the handle of the door and the lighting switch. Wear gloves and masks. All the tools required for sampling and transporting are included in the kit. The set of kit, including test results, is 115 euros.

The sample is protected by triple packaging and is brought back to the laboratory at 4 ° C. After that, the team extracts RNA and grows so that the genetic substance can be read. It takes 7 to 8 hours for this process, "says UNES Razrak. "This emerging company wants to raise the inspection capacity to 560 in the near future. The test we provide guarantees the reliability of the cleaning procedure." "

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Initially, it specialized in detecting bacteria that caused infectious diseases from a sample collected from the patient, "said UNES Laslack. At the request of Marseille's Marine Fire Corps, the emerging companies began to collect samples from barracks, schools and hospitals. "We also work for Charles de Galle aircraft carriers," said C4diagnostics chairman.

5. Spray robot of octopus robot

Ottipus Robots, which is headquartered in the chore (Man e-E - E-Roire Prefecture), and is known for poultry farm hygiene management tools, offers an aerial disinfecting solution incorporated into an automated system. This small and mediu m-sized business, which started selling this kind of robot in 2014, has shifted to poultry farming because there is not enough market. With the economic crisis, the emerging companies, with about 10 employees, have immediately returned to the first target market by partnering with Fybots, a specialist in a robotized industrial cleaning solution. < SPAN> Sampling can also be implemented directly by companies or by the approved partner's network, "said UNES Razrack, President of C4DIGNOSTICS. Use a cotton swab to collect the sample, and pass through a sensitive surface, such as the handle of the door and the lighting switch. Wear gloves and masks. All the tools required for sampling and transporting are included in the kit. The set of kit, including test results, is 115 euros.

The sample is protected by triple packaging and is brought back to the laboratory at 4 ° C. After that, the team extracts RNA and grows so that the genetic substance can be read. It takes 7 to 8 hours for this process, "says UNES Razrak. "This emerging company wants to raise the inspection capacity to 560 in the near future. The test we provide guarantees the reliability of the cleaning procedure." "

Initially, it specialized in detecting bacteria that caused infectious diseases from a sample collected from the patient, "said UNES Laslack. At the request of Marseille's Marine Fire Corps, the emerging companies began to collect samples from barracks, schools and hospitals. "We also work for Charles de Galle aircraft carriers," said C4diagnostics chairman.

5. Spray robot of octopus robot

Covid-19 : recommandations pour le nettoyage et la désinfection des surfaces

Ottipus Robots, which is headquartered in the chore (Man e-E - E-Roire Prefecture), and is known for poultry farm hygiene management tools, offers an aerial disinfecting solution incorporated into an automated system. This small and mediu m-sized business, which started selling this kind of robot in 2014, has shifted to poultry farming because there is not enough market. With the economic crisis, the emerging companies, with about 10 employees, have immediately returned to the first target market by partnering with Fybots, a specialist in a robotized industrial cleaning solution. Sampling can be performed directly by a company or by the approved partner's network, "said UNES Laslack, President of C4Dignostics. Use a cotton swab to collect the sample, and pass through a sensitive surface, such as the handle of the door and the lighting switch. Wear gloves and masks. All the tools required for sampling and transporting are included in the kit. The set of kit, including test results, is 115 euros.

The sample is protected by triple packaging and is brought back to the laboratory at 4 ° C. After that, the team extracts RNA and grows so that the genetic substance can be read. It takes 7 to 8 hours for this process, "says UNES Razrak. "This emerging company wants to raise the inspection capacity to 560 in the near future. The test we provide guarantees the reliability of the cleaning procedure." "

Initially, it specialized in detecting bacteria that caused infectious diseases from a sample collected from the patient, "said UNES Laslack. At the request of Marseille's Marine Fire Corps, the emerging companies began to collect samples from barracks, schools and hospitals. "We also work for Charles de Galle aircraft carriers," said C4diagnostics chairman.

5. Spray robot of octopus robot

Le nettoyage au quotidien à domicile

Ottipus Robots, which is headquartered in the chore (Man e-E - E-Roire Prefecture), and is known for poultry farm hygiene management tools, offers an aerial disinfecting solution incorporated into an automated system. This small and mediu m-sized business, which started selling this kind of robot in 2014, has shifted to poultry farming because there is not enough market. With the economic crisis, the emerging companies, with about 10 employees, have immediately returned to the first target market by partnering with Fybots, a specialist in a robotized industrial cleaning solution.

Ottpass technology is based on the experience of thermofging (an independent device that generates drying fog in a smok e-like smok e-like mixture of hydrogen peroxide and chlorine dioxide). The company says that the fog can be directed to a specific device. At a average speed of 20 cm per second, Fybots' robots should be able to disinfect about 2500 cubic meters per hour.

"This kind of fog has fine particles, so it stays in a suspension, does not get wet. Another advantage is that the toxic fog is where there is human beings. It does not spread, but it will disappear immediately, so you can resume the building a few hours later.

6. Robot disinfection by Hellomoov

Hellomoov (aluminum conveyor and modular systems), Akeoplus (robot solutions and digital tools), Pharmaplan (pharmaceutical engineering, currently being tested for disinfectants for COVID-19) contain up to 80 liters of liquids. Developed an autonomous mobile disinfecting robot RED incorporating a sprayer.

• The fully autonomous RED first maps the environment using the rider (laser remote sensing) system. After that, it is moved using a navigation system (SLAM: Simultaneous Localization and Mapping) and AI programs that control the flow rate, nozzle pressure, and disinfecting traceability. Thanks to this system, the robot reliably distributes the appropriate amount of products according to the amount to be processed and the surface, and decontaminate up to 100 m2 per minute. On a smooth surface, cover 1. 6 meters per second.
• This interoperable robot can be connected to all manufacturers, such as workstations, edge of line supplies, storage systems, conveyors, and gontry crane via Wi-Fi. The manufacturer expects the operating time of the robot to be 8 hours, indicating that "power supply" can be charged. After that, the device returns to the base for charging. Hellomoov, with 250 employees, was 46 million euros in 2019.

With Jubert Marie and Laurent Roussel

Choice for you

In addition to barrier countermeasures and physical distance, hygiene measures can help reduce the risk of virus diffusion. However, cleaning and disinfection of the surface must not be sacrificed at the expense of health and environment.

Le nettoyage et la désinfection dans les espaces communs ou en présence d’une personne atteinte de la Covid-19 à domicile

SARS-COV-19 is transmitted between individuals by saliva (sneezing, cough) and contact (mouth, nose, mucous membrane of the eyes). The survival of SARS-COV-2 in the environment is not yet known, but according to research, it takes several hours to several days, depending on the type of surface, remaining humidity, and temperature. The propagation of the virus via the contaminated surface has not been proven, but cannot be denied. Therefore, it is especially necessary for surface hygiene.

What kind of situation (whether or not the infectious disease is popular) is that detergents and disinfectants (killing agents) used to clean the surface are healthy (especially pregnant women and infants in the weakest position). There is no risk of environment. Excessive use of disinfectants can also help with the development of antibiotic resistance. Therefore, the use of disinfectants should be limited to the highest risk of pollution or region.

The following recommendations are aimed at fighting the spread of colonovirus while reducing the risk of exposure to chemical substances.

If there is no COVID-19 infected person, daily cleaning at home is sufficient. No disinfection is required.

When entering the house, take off your shoes and wash your hands with soap and water.

For families that respect home health and the environment, labels have risks (addiction, irritation, burns, respiratory discomfort, allergies, etc.) and the risks to the environment (pollution, deterioration, etc.). Avoid the use of home supplies used, and prioritize the use of household goods displayed with environmental labels (especially European ec o-label and NF envyment mark). < SPAN> Selection for you

In addition to barrier countermeasures and physical distance, hygiene measures can help reduce the risk of virus diffusion. However, cleaning and disinfection of the surface must not be sacrificed at the expense of health and environment.

• SARS-COV-19 is transmitted between individuals by saliva (sneezing, cough) and contact (mouth, nose, mucous membrane of the eyes). The survival of SARS-COV-2 in the environment is not yet known, but according to research, it takes several hours to several days, depending on the type of surface, remaining humidity, and temperature. The propagation of the virus via the contaminated surface has not been proven, but cannot be denied. Therefore, it is especially necessary for surface hygiene.
• What kind of situation (whether or not the infectious disease is popular) is that detergents and disinfectants (killing agents) used to clean the surface are healthy (especially pregnant women and infants in the weakest position). There is no risk of environment. Excessive use of disinfectants can also help with the development of antibiotic resistance. Therefore, the use of disinfectants should be limited to the highest risk of pollution or region.The following recommendations are aimed at fighting the spread of colonovirus while reducing the risk of exposure to chemical substances.If there is no COVID-19 infected person, daily cleaning at home is sufficient. No disinfection is required.

When entering the house, take off your shoes and wash your hands with soap and water.

For families that respect home health and the environment, labels have risks (addiction, irritation, burns, respiratory discomfort, allergies, etc.) and the risks to the environment (pollution, deterioration, etc.). Avoid the use of home supplies used, and prioritize the use of household goods displayed with environmental labels (especially European ec o-label and NF envyment mark). Choice for you

In addition to barrier countermeasures and physical distance, hygiene measures can help reduce the risk of virus diffusion. However, cleaning and disinfection of the surface must not be sacrificed at the expense of health and environment.

SARS-COV-19 is transmitted between individuals by saliva (sneezing, cough) and contact (mouth, nose, mucous membrane of the eyes). The survival of SARS-COV-2 in the environment is not yet known, but according to research, it takes several hours to several days, depending on the type of surface, remaining humidity, and temperature. The propagation of the virus via the contaminated surface has not been proven, but cannot be denied. Therefore, it is especially necessary for surface hygiene.

What kind of situation (whether or not the infectious disease is popular) is that detergents and disinfectants (killing agents) used to clean the surface are healthy (especially pregnant women and infants in the weakest position). There is no risk of environment. Excessive use of disinfectants can also help with the development of antibiotic resistance. Therefore, the use of disinfectants should be limited to the highest risk of pollution or region.

The following recommendations are aimed at fighting the spread of colonovirus while reducing the risk of exposure to chemical substances.

• If there is no COVID-19 infected person, daily cleaning at home is sufficient. No disinfection is required.
• When entering the house, take off your shoes and wash your hands with soap and water.
• For families that respect home health and the environment, labels have risks (addiction, irritation, burns, respiratory discomfort, allergies, etc.) and the risks to the environment (pollution, deterioration, etc.). Avoid the use of home supplies used, and prioritize the use of household goods displayed with environmental labels (especially European ec o-label and NF envyment mark).
• In addition, the use of vaporizer and sprayer should be avoided to prevent the generation of aerosol, which stimulates the respiratory organs (unless it is set as a coarse spray).

For floors, surfaces, objects, and toys, simple detergents (black soap or marseillap) or steam cleaning should be prioritized. These damage and inactive the capelope of the colon virus.

Les établissements recevant du public (ERP)

White vinegar (acetic acid), lemon (citric acid), and soda bicarbonate are often used for cleaning because they are simple and environmentally friendly products, but have no effect on SARS-COV-2. There is a cleaning effect but no disinfecting effect.

L’espace public

The fragrance and essential oils are also not effective for colonovirus, polluting indoor air and harming health.

When using detergent, use a sponge, cloth, microfiber wipe (wash every time after use) to avoid using disposable wettish, which is harmful to the environment.

Que faire en cas d’accident domestique ou d’intoxication ?

In the case of a closed period or a large number of people, the frequency of frequent touches with the hands should be increased, especially the visibly dirty surface. For example, a door handle, lighting switch, toilet handle, handrail, touch screen surface, keyboard, etc.

• Be sure to ventilate during cleaning. In addition, it is recommended that you ventilate more than 15 minutes per day several times a day.
• In order to reduce the risk of pollution due to contact, it is recommended that people who always use the shared spaces (such as a closed workplace, apartment, etc.) can use a hydroalcoal gel.
• In such cases, or if there is a Cavid-19 patient at home, it is necessary to wash and disinfect the surface.
• For cleaning, the recommended items described in the previous section are applied. Furthermore, when cleaning the floor, dust should be scattered, the use of a vacuum cleaner, which has the potential SARS-COV-2, should be limited, and wet cleaning should be given priority. < SPAN> In order to prevent the generation of aerosols that inhale and stimulate the respiratory organs, the use of vaporizer and sprayer should be avoided (unless it is set in coarse spray).

For floors, surfaces, objects, and toys, simple detergents (black soap or marseillap) or steam cleaning should be prioritized. These damage and inactive the capelope of the colon virus.

• White vinegar (acetic acid), lemon (citric acid), and soda bicarbonate are often used for cleaning because they are simple and environmentally friendly products, but have no effect on SARS-COV-2. There is a cleaning effect but no disinfecting effect.
• The fragrance and essential oils are also not effective for colonovirus, polluting indoor air and harming health.
• When using detergent, use a sponge, cloth, microfiber wipe (wash every time after use) to avoid using disposable wettish, which is harmful to the environment.
• In the case of a closed period or a large number of people, the frequency of frequent touches with the hands should be increased, especially the visibly dirty surface. For example, a door handle, lighting switch, toilet handle, handrail, touch screen surface, keyboard, etc.