Coccyx Cushion Foam 18 x16 x3 Navy Jobst Relief 30 40 Thigh Hi Ultrasonic Pocket Doppler * Easy 8975 Ultrasonic Pocket Doppler * Easy to use * Compact design * Interchangeable waterproof probe (sold separately) * Built in audio recorder * Large backlight LCD display * Accurate FHR detection with high fidelity sound effect * Support waterproof probes for both obstetrical and vascular usage * Auto Average and Manual working modes * Various power supply solutions * Automatic power off to save power * 9V alkaline battery Cover is machine washable * Repairable: The flame resistant black neoprene (not made with natural rubber latex) cushion can be patched to extend its use * This cushion is most effective for individuals who: * Have a history of skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) skin grafts and or myocutananeous flap surgery * Currently have skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) * Be at risk for skin soft tissue breakdown and or deep tissue injury * Have normal or impaired sensation * Require accommodation of pelvic asymmetry up to approximately 1in 2 Navy * 18 W x 16 D x 3 * Custom sizes available * Optional solid seat inserts available ($8 75 Up Charge) * Relieves pressure at the sacral area while offering patient s comfort and even distribution of weight throughout the cushion * Medium density fire retardant foam is covered in either a poly cotton in your choice of black navy or gray medical grade vinyl