Stryker has signed an agreement to acquire Amplitude Vascular Systems, adding its Pulse intravascular lithotripsy system to the company’s peripheral vascular portfolio. The technology uses pressurized ...

That rhythmic thump beneath your fingertips isn’t just proof you’re alive—it’s a sophisticated early warning system broadcasting critical messages about what’s happening inside your blood vessels.

Dr. Takuo Aoyagi, a Japanese bioengineer, was the first to invent pulse oximetry in 1974. 2 The pulse oximeter is based on the light absorption characteristics of hemoglobin at different wavelengths.