Qosina (Edgewood, NY) announces a series of tuohy borst adapters. These three adapters comprise a PVC body with a Triax® (ABS/nylon) cap. The silicone gasket is chemically resistant, prevents backflow of fluids and secures the position of a guidewire or instrument when closed. These adapters are available with gaskets in sizes from 0.062 to 0.081in. ID.