A medical/surgical irrigating handpiece with both a discharge line through which fluid is applied to the site and a suction line through which the discharge fluid is drawn away. The handpiece has a variable speed pulse pump. A single, variable-speed motor actuates the pump to regulate the pumping rate....http://www.google.es/patents/US7144383?utm_source=gb-gplus-sharePatente US7144383 - Surgical/medical irrigating handpiece with variable speed pump, integrated suction and battery pack
Surgical/medical irrigating handpiece with variable speed pump, integrated ...
