In the field of medical infrastructure, the “yellowing” of the operating room floor is truly a nightmare for the infrastructure and infection control departments. Despite being shiny and new when it was just accepted, why did it develop spots of “rusty color” under the light of the operating lamp after just three months? These stubborn yellow spots that cannot be wiped off or ground away not only affect the appearance but also pose a risk of bacterial growth. Today, we peel back the industry’s surface and talk about the underlying logic of the “yellowing” of the operating room floor.
Ⅰ. The real culprit: Iodophor penetration and chemical reaction
The operating room is a frequent use area for strong chemical agents such as iodophor, alcohol, and normal saline.
The essence of the “yellowing” is that the agents penetrate through the floor’s surface “micro-pores” and reach the material inside.
Low-quality floor: To lower the price, a large amount of calcium powder is added for filling. Under a microscope, this floor’s surface is covered with invisible capillary pores. Once iodophor drips, it will quickly “take root” through these pores, no matter how strong the cleaning agent is, it cannot reach the interior.
High-quality floor: It adopts a high-density pure resin structure and forms a dense protective “armor” on the surface through UV (ultraviolet curing) or PUR (polyurethane) reinforcement.
Ⅱ. Core competition: Why is homogeneous core floor the only choice?
Many purchasers tend to confuse “homogeneous ” with “heterogeneous” floors.
- Structural logic: One inside and one outside
The homogeneous flooring is the same material and pattern from the bottom to the surface. Medical stretchers and operating tables’ frequent dragging will wear off the floor’s surface layer. If it is a heterogeneous floor, once the transparent wear-resistant layer is worn through, the color layer will directly expose and rapidly corrode; while the homogeneous floor, even if it is worn, the inner core with the same protective performance will still be exposed.
- Physical experiment: Compactness comparison
We have conducted a comparison in our laboratory: under the same pressure, the density of high-quality homogeneous floor is much higher than that of ordinary heterogeneous floor. This means its water absorption rate is extremely low, and the chemical agent molecules cannot squeeze in.
The floor is the “background color” of the operating room. Choosing the right good floor is not only for passing the acceptance inspection, but also for giving medical staff peace of mind and providing a sterile bottom line for patients.