Fluid exchange between capillaries and the interstitial fluid. takes place between the blood and interstitial fluid across the thin endothelial walls of the capillaries. blood pressure drives fluid out of the capillaries, blood proteins pull fluid back in the capillaries by osmotic pressure. Difference in osmotic pressure and blood pressure drives fluids out of capillaries at the arteriole end and into capillaries at the venule end.
Premarket approval (PMA) is the FDA process of scientific and regulatory review to evaluate the safety and effectiveness of Class III medical devices.remarket approval (PMA) is the FDA process of scientific and regulatory review to evaluate the safety and effectiveness of Class III medical devices.
Disclaimer: Pulsed electromagnetic field therapy (PEMF) has been approved by health authorities as medical therapy for human applications. In the European Community the Curatron devices are certified as medical devices according to the Medical Device Directive 93/42/EEC.n the following sections you will find comprehensive explanations about the technology behind pulsed electromagnetic field therapy. These pages were created in order to assist non-experts to understand what the really important features of the PEMFT device are and how they will work best for you.