A device for measuring body fluid pressure, such as blood pressure, muscle compartment pressure, and spinal column pressure, is herein described. An invasive implement is inserted into a body area, and a fluid path extends from the body area into a fluid channel in the device. A valve is used to control...http://www.google.com/patents/US5935083?utm_source=gb-gplus-sharePatent US5935083 - Device for body fluid pressure measurement
