https://www.selleckchem.com/pr....oducts/way-309236-a.
Here we review the main characteristics of the Miethke® Dual-Switch valve, which includes two valve chambers arranged in parallel a low-opening pressure valve, designed for working in the supine position, and a second high-opening pressure valve, which starts working when the patient assumes the upright position. This paper specifies the main advantages and drawbacks of this device and provide a series of recommendations for its use. The discussion of this specific gravitational valve allows us to emphasize the importance of using