0001045969-99-000246 DEF 14A 1 19990512 19990412 DIAMETRICS MEDICAL INC 0000895380 3845 411663185 MN 1231 DEF 14A 34 000-21982 99591701 2658 PATTON RD ROSEVILLE MN 55113 6126398035 2658 PATTON ROAD ROSEVILLE MN 55113 DEF 14A 1 000104596999000246-001-seq1-def-14a.txt DEFINITIVE PROXY STATEMENT