Wallach offers surgeons with diverse single use disposable products that can be used during OB/GYN surgeries. The Intrauterine sound is a disposable FlexiSound tool that is used during OB/GYN procedures to produce the sounds a baby can hear. This tool is graduated in centimeters and it comes in a sterile package which is easily disposed after use. Its affordability makes it a very economical tool for doctors.