Dynatronics Corp. recently announced a 35 percent increase in sales and 129 percent rise in net profits for the quarter ended Dec. 31, 1997.

Sales for the Salt Lake City company hit $3.0 million for the quarter, compared to about $2.2 mil-lion for the same quarter of 1996. Net income for the quarter rose from $58,509 in 1996 to $134,278 in 1997.Kelvyn H. Cullimore Jr., Dynatronics president, said the company expects 25 to 30 percent growth in sales for its fiscal year, with earnings of 7 cents to 8 cents per share.

Dynatronics is a manufacturer of medical devices, orthopedic soft goods and supplies and treatment tables.