While the surgeon was putting the (b)(4) screw in the skull to hold the (b)(4) star, the first screw broke.Then he got a new screw to put in and did the surgery.When we was taking the second screw out after the surgery it also broke.The patient has 2 broken (b)(4) screws retained in the skull.The screws were distributed by (b)(4), ref# (b)(4).According to (b)(4), the screws are manufactured by kls martin, ref# 25-878-06-09.Manufacturer response for screw, (brand not provided) (per site reporter).The screw were distributed by (b)(4).The (b)(4) rep told us the screws are manufactured by kls martin.They also said this has not been a common problem in the recent past.
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