Airless Spray Gun

Abstract
THE DANGER of high-velocity oil and grease injuries causing penetrating wounds in the hand is well known. Rees1first described a diesel-engine jet-spray injury in 1937. Since then there have been case reports of diesel-fuel2,3and grease-gun4-12injuries in the English literature and in textbooks dealing with hand surgery. We feel that a new and equally severe hand hazard has been developed in the airless paint spray gun (Fig 1) which can deliver a pressure of 3,000 pounds per square inch (psi) at the nozzle. This paint spray gun can accommodate 90% of the paints known, and it has been in operation in our area approximately eight to ten years. To the author's knowledge, this type of high-velocity paintspray injury has not been previously reported, and recent experience with two cases presented new problems in management. The danger of these guns is similar to any high-pressure volatized-chemical

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