Biomet is now Zimmer Biomet


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Information for Medical Professionals

GPS System


This technology uses a centrifuge to separate out the patients own blood components by their various densities.

The red blood cells (RBCs) are denser and will move to the bottom. The plasma fraction is the least dense and will float on the top layer. The ‘buffy coat’ which contains almost all platelets and also white blood cells is sandwiched between the two buoys (below the plasma and on top of the RBCs).

Why Platelets?

Platelets contain various growth factors that when applied to a wound site will accelerate the healing response. Platelet-derived growth factor (PDGF), transforming growth factor-beta (TGF-ß)and vascular endothelial growth factor (VEGF) are just some of the growth factors that are contained within the platelets.

Patient advantages

  • Patient's own blood is used
  • Only a small volume of blood required which is not physiologically significant (55-110 ml)
  • The blood is taken in the OR.

Nursing staff advantages

Disposable kit contains all components needed to process one or two collection tubes. No searching for individual items is needed. The single spin system saves time and is the user-friendliest system available. No intra-operative delays. No advanced training needed due to simplicity.

Surgeon Advantages:

  • High level of platelet recovery
  • Consistency of concentrate 
  • Ease of application with spray kit
  • May increase incorporation of bone graft
  • May optimised environment for soft and hard tissue healing
  • Autologous tissue graft
  • Cost effective