In certain medical applications, the contents of blood collection tubes or vials may require additives such as anticoagulants, preservatives, or clot activators. These additives help preserve the sample’s quality or prevent it from reacting in ways that would alter test results. The medical rubber stopper plays a crucial role in maintaining the integrity of these additives by ensuring that the substances inside the container stay mixed with the sample without risk of leakage or evaporation.

For instance, when an anticoagulant is added to a blood collection tube, the rubber stopper ensures that the anticoagulant remains in contact with the blood sample and doesn’t evaporate or spill, which would negatively affect the blood’s ability to clot. The stopper also helps prevent reactions between the additive and external substances, ensuring that the sample remains consistent and uncontaminated.

Medical rubber stoppers not only serve to seal containers but also facilitate the safe handling of medical samples. Rubber stoppers are typically easy to insert and remove, allowing healthcare professionals to quickly access the sample without causing spillage or exposure to hazardous contents. This is particularly important in clinical laboratories, where numerous samples are handled in a controlled environment.

Moreover, rubber stoppers allow for secure labeling and identification of different tubes or vials. Many rubber stoppers are color-coded or marked with specific symbols to distinguish between various additives or types of samples, making it easier for healthcare providers to manage and process the samples efficiently.

Additionally, the rubber stopper’s flexibility ensures that it can be used in a wide range of container sizes, providing a reliable and universal solution for medical sample containment.

Another significant role of medical rubber stoppers is their ability to protect against environmental factors such as temperature fluctuations, humidity, and exposure to air. Many biological samples, including blood, vaccines, and other medical substances, can be sensitive to temperature changes. Exposure to extreme conditions can degrade the sample or affect its properties, leading to inaccurate test results.

By securely sealing the container, the rubber stopper helps maintain the sample’s required storage conditions, whether it needs to be refrigerated, frozen, or kept at room temperature. The stopper’s sealing ability helps to minimize the risk of temperature-related degradation, ensuring that the sample remains in optimal condition for testing or further analysis.

https://www.klstopper.com/product/pharmaceutical-rubber-stopper/butyl-rubber-stoppers-for-injection.html
Uses:  suitable for the sealing of injection liquid
Chemically stable, good compatibility
Few fragments upon piercing
A substitute for barrier film stoppers