By improving the seal around the wound dressing to reduce air leaks, Zurovcik cut the pump's power requirements from about 14 watts to 80 microwatts, which comes from a hand pump.

通过改善伤口绷带周围的密封性来减少空气泄漏，佐罗夫西克采用一种手摇抽气机，将抽气机对能量的需要从14瓦削减到80微瓦（1微瓦等于百万分之一瓦）。