Covidien AMD™ Antimicrobial Dressings contain PHMB (polyhexamethylene biguanide), a bacteria-killing polymer. PHMB attacks bacteria on and within the dressing fabric, helping keep infection out of the wound and limiting cross-contamination.
Covidien AMD™ Antimicrobial Dressings treated with PHMB are used like standard dressings automatically comply with your facility’s existing protocol.
Here’s how PHMB works:
- PHMB binds to bacteria’s phospholipid (outer) membrane
- Disrupts membrane, causing cytoplasm to leak out
- Cell’s protective layer disintegrates
- Cell collapses and dies
* PHMB works similarly to dismantle gram-negative bacteria
Effective against:
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Vanocomycin-resistant enterococcus (VRE)
- Acinetobacter Baumannii (MDRAB)
- Staphylococcus aureus
- Staphylococcus epidermitis
- Pseudomonas aeruginosa
- Escherichia coli
- Candida albicans
- Staphylococcus coagulase
- Proteus mirabilis
- Serratia marcescens
- Enterbacter cloacae
- Klebsiella pneumoniae
- Enterococcus faecalis
Watch the video!
See how PHMB destroys bacteria.



