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To the Editor. —
I read with great interest the article by Vidt et al entitled "A Safe Peritoneal Access Device for Repeated Peritoneal Dialysis" (214:2293, 1970), and would like to relay the work that we have been doing at the University of Minnesota with a chronic peritoneal dialysis access device. They have gained repeated access safely by the instillation of a Teflon rod through the peritoneal wall to create a fistulous tract for the peritoneal catheter to be placed. We have approached the problem for the same reasons, but have derived a different technique using a mushroom-shaped, hollow silicone rubber reservoir with a stainless steel disk, as in Fig 1. The dome of the mushroom-shaped reservoir is of a thick (3 mm) 90 durometer surgical grade silicone rubber and allows for multiple repeated functions with self-sealing, much as a self-sealing inner tube functions. The shaft of the mushroom
Ersek RA. Peritoneal Access Device for Dialysis. JAMA. 1971;215(8):1326. doi:10.1001/jama.1971.03180210070023