Medical Device Sterilization
Medical Device Sterilization - Related Videos
10:43
High-throughput Identification of Bacteria Repellent Polymers for Medical Devices
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Cited by 2 •
2016
A high-throughput microarray method for the identification of polymers which reduce bacterial surface binding on medical devices is described.
10:43
Rapid and Low-cost Prototyping of Medical Devices Using 3D Printed Molds for Liquid Injection Molding
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Cited by 34 •
2014
We have devised a method for low-cost and rapid prototyping of liquid elastomer rubber injection molded devices by using fused deposition modeling 3D printers for mold design and a modified desiccator as a liquid injection system.
12:29
Sterile Tissue Harvest
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN In 1959 The 3 R's were introduced by W.M.S. Russell and R.L. Burch in their book The Principles of Humane Experimental Technique. The 3 R's are replacement, reduction, and refinement of the use of animals in research. The use of cell lines and tissue cultures that originated from research animals is a replacement technique, as it allows for many experiments to be conducted in vitro. Harvesting...
06:59
A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
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Cited by 5 •
2016
This study presents a novel device that offers an easy route to quickly provide medications and fluids in patients with limited or difficult IV access. This small-diameter device is placed in the distal third of the rectum, allowing for ongoing medication and fluids administration.
06:34
Validation of Therapeutic Agent Conjugation to Polyvinyl Alcohol-Coated Medical Devices
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2024
Here, we present a protocol for derivatizing medical devices with protein therapeutics by conjugating protein therapeutics to a polyvinyl alcohol membrane casted on medical devices. Conjugation of protein-based therapeutics allows for localized and concentrated delivery and is a cost-effective approach that requires vastly lower drug amounts for dosing while minimizing off-target effects.
FAQs
Pressurized steam applies moist heat under pressure, creating a physical treatment mechanism for processing suitable devices. Its effectiveness depends on using conditions that match the instrument’s materials, design, and tolerance for heat and moisture. This is why steam cannot be selected independently of device characteristics.
Ethylene oxide provides a reactive gas approach, whereas ionizing radiation damages microbial proteins and genetic material. These mechanisms give sterilization options beyond moist heat, particularly when a device’s materials or construction make heat or moisture tolerance an important selection concern. Method choice remains device-specific and deliberate.
Device-specific selection matters because a sterilization process must be chosen in relation to the device rather than in isolation. Materials, physical design, and tolerance for heat or moisture guide whether pressurized steam, ethylene oxide, or ionizing radiation is appropriate. Matching treatment to these characteristics supports effective preparation and avoids selecting an unsuitable process.
A reliable workflow combines a validated sterilization process with suitable packaging, monitoring, and maintenance. Validation establishes that the selected approach can perform as intended, while packaging and maintenance help preserve the sterile state. Monitoring and quality-control activities provide ongoing oversight before devices are used clinically, supporting consistent preparation and patient safety.
Special attention is warranted for surgical instruments, implants, and other devices that contact sterile tissue or the bloodstream. These uses create a direct clinical link between device preparation and prevention of healthcare-associated infections. Sterilization planning should therefore account for the device’s construction and tolerance limits while ensuring that sterility is maintained through packaging before use.
In clinical practice, the goal extends beyond treating an individual instrument: validated processing, monitoring, packaging, and maintenance create a quality-control framework. That framework helps reduce the risk of healthcare-associated infections when devices enter sterile tissue or the bloodstream. It also supports regulatory quality control and patient safety by promoting consistent oversight.