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  • Medical Refrigerator Buying Guide
    Sep 01, 2021
    Medical refrigerators have a microprocessor-based system that can accurately measure temperature. They use digital sensors (such as thermocouples, resistance temperature detectors [RTD], and thermistors) to monitor internal temperature. These devices also have a fast temperature recovery device that can respond to temperature readings that are out of range. A large part of the reason that distinguishes medical refrigerators or glass-door display freezers from household appliances is the guarantee of temperature stability. Many medical samples and supplies need to maintain a consistent temperature in order to stay alive. Change can mean the loss of much-needed drugs, blood donations, and destroyed products, which cost countless research, time, and money. Different medical compounds have different temperature requirements, all of which need to be monitored and adjusted. For example, in the case of vaccines, this varies from product to product. It must be maintained at +2°C from the time of manufacture to when the vaccine is used for individuals. Temperature range to +8°C. Most vaccines are considered damaged at 0°C, but because damaged or frozen vaccines may not be visually solid or change in appearance, glass-door refrigerator units must be equipped with an accurate digital thermostat to continuously monitor the internal temperature. Ideally, the refrigerator display cabinet is also equipped with a health timer that can automatically lock the device when the temperature rises or falls, above or below the set safety threshold. As far as vaccines are concerned, this will be a temperature higher than +8°C. Characteristics of medical refrigerators: Temperature stability, uniformity and recovery One of the most important characteristics of medical-grade refrigerators is their ability to maintain a uniform temperature throughout the cabinet. They use a forced air circulation system specifically designed for pharmacy applications to maintain an extremely tight uniformity, usually within +/- 1.5 degrees Celsius. They can also quickly return to the set temperature after the door is opened. Accurate temperature monitoring and alarm system On-site temperature deviation sound and light alarm, standard remote mobile phone SMS alarm (with power failure alarm), multiple devices use one mobile phone card; all high-quality medical-grade refrigerators are equipped with door alarms, if it breaks at any time, It will sound to prevent this from happening. Thermostat control There is nothing worse than turning the knob of a consumer refrigerator almost one millimeter to get the temperature just right. It not only takes longer to set it at the correct temperature, but it is also more risky, because even if someone gently touches the knob, it may cause a big change in temperature. Whenever I insist on using a consumer model, setting the temperature is a nightmare. Reliable and stable temperature for safe storage of vaccines, drugs, creams or samples. The digital display allows you to confirm the temperature without opening the door. Promote better air flow Compared with household appliances, medical-grade appliances are designed with better airflow. The pharmaceutical unit relies on a powerful fan forced air circulation system and air cooling vents. Their internal shelving system can also circulate air efficiently and maintain a uniform temperature. They use wire racks with perforated vents. Other specially constructed systems include drawers with solid fronts (and wire interiors) to protect vaccines and samples from ambient temperature and promote uniform air circulation. Many medical refrigerators and freezers have alarm systems that can notify suppliers when the airlock is not sealed or the door is ajar. Protect biological products from temperature drift caused by power failure Even if the provider uses appropriate equipment and consistent temperature monitoring practices, a power failure can damage your vaccine supply. These interruptions may disrupt the entire vaccine supply. Most facilities should have an on-site generator to prevent transportation of their vaccine supplies to alternative storage facilities during power outages. The supplier should have enough fuel in the facility to run the generator for 72 hours. If your healthcare facility does not have a generator, your medical refrigerator or freezer can protect your products. Most have backup batteries to prevent temperature drift. Medical refrigerators and freezers provide additional advantages because they have battery backup power and can be used in place of generators. If there is a power failure, please close the appliance door to maintain the internal temperature. Your facility should also have a second battery backup system in case the first battery fails. Medical glass door refrigerators and freezers are the lasting investment you want. Choosing a reliable brand XCH Biomedical and all the functions required for medical equipment will give you peace of mind in the coming years.
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  • The necessity of medical stability chamber
    Jul 27, 2021
    Human beings are very dependent on drugs from birth. Poliomyelitis drops, vaccines, wound treatments, eye drops, medications for the elderly. There are different drugs for different life stages. These drugs are produced using chemical analysis, biotechnology, microbial cultures, etc. These medicines are just drops of life. If it is produced incorrectly, it can be devastating for the person who eats it, leading to his death. Different types of stability studies have been carried out for these aspects. Established a medical compliance agency. ICH, USFDA and other institutions were established. These pharmaceutical compliance agencies have established standards for manufacturers to follow. Unless these compliance agencies do not provide them with a license to do so, it can ensure that pharmaceutical manufacturers cannot market or sell their products. Before issuing a license, the pharmaceutical agency will check the QA analysis of the drugs produced. It is necessary to check the chemical composition, check the uniformity of the drug, and check the behavior of the drug under different climatic conditions. Pharmaceutical manufacturers need to check the behavior of their products through different stages of quality analysis. One of the stages is "stability". The stability of the product in different environments. Different environmental conditions, such as humidity, temperature, ultraviolet radiation, etc., are artificially generated in a stable room. Heat, humidity and light are all causes of product degradation. Regulatory committees, such as the Federal Drug and Food Administration (FDA), ensure that appropriate precautions are taken to maintain consumer safety. Establishing product integrity in different climatic zones is critical, because small changes in temperature and humidity will affect the drug. Carry out stability storage and test studies to simulate climate effects. These studies are based on where the product is sold. Understanding all the ways in which finished products or active pharmaceutical ingredients (APIs) are affected by degradation is critical to the storage of these products. Through these studies, XCH Biomedical can determine the shelf life of the drug, determine the best storage method for the drug, and ultimately help ensure the safety of consumers. What is a stability test chamber? Most stability test chambers are similar to a large scientific refrigerator. Their function is not to keep things cool, but to replicate changes in temperature, humidity, and light for a long time. For example, this is critical when a pharmaceutical company wants to bring a new product to the market. 1. Humidity test The accuracy and repeatability, reliability and durability of the parameters in continuous operation are the primary tasks of the humidity test chamber. The sturdy stainless steel interior should be corrosion resistant and designed to be easy to clean. The programming must be intuitive, and the documentation must meet the requirements of FDA 21 CFR Part 11. Calibration certificates, data loggers and verification documents should of course also be included. 2. Light In the case of light stability test according to ICH Q1B, light supplement temperature and humidity are used as additional parameters. Specify the light source and lighting level for each time unit. Visible light (VIS is similar to ISO 10977 (1993)) must reach an exposure time of at least 1.2 million lux per hour, and near ultraviolet light must be at least 200 hours/m² (320 nm to 400 nm). As with temperature and humidity, uniform light distribution on each shelf is critical. Here, the basic specifications are the intensity distance, and the type of sensor and reflector used 3. Accelerated research or forced degradation is used to predict the shelf life of products. Scientists accelerate the process and speed of decomposition/degradation by increasing the temperature and/or humidity of environmental conditions in a short period of time. These accelerations indicate that if it is introduced to extreme conditions in a short period of time, it will have an impact on the drug. Overall, this gives a general overview of the different characteristics of degradation, including physical, chemical, and microbiological.
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