Hitting the problem square on the head

Doctors in the nation's emergency rooms are used to seeing so-called bagel cuts — the injury that results from slicing a finger or palm instead of a bagel and is most common on weekends.

Now North Carolina researchers report that ER physicians are increasingly treating another kind of painful household injury: wounds inflicted by pneumatic nail guns wielded by weekend carpenters who bought the machines at home improvement stores.

Such accidents more than tripled between 1991 and 2005, the researchers found, and 96 percent of victims were males whose average age was 35. In 1991, about 4,200 nail gun injuries among consumers were reported, compared with about 14,800 in 2005.

Hester Lipscomb, lead author of the analysis published in the April 13 issue of the Morbidity and Mortality Weekly Report by the Centers for Disease Control and Prevention, attributed the increase in injuries to the widespread availability of the tools, which use an air compressor to forcefully drive nails into wood.

Untrained weekend carpenters who may not know how to use the devices properly are especially vulnerable to injury, Lipscomb said.

Most nail gun accidents, the authors report, involve puncture wounds to the hands and forearms, although eye injuries, broken bones and nerve damage have been reported.

Because many consumers never receive training in the use of the powerful guns, the authors advise them to buy machines with a sequential trip trigger, which prevents accidental or uncontrolled firing.

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