Symbion Inc., a Salt Lake-based company manufacturing artificial hearts and associated products, had sales of $1.4 million in the quarter ending June 30, a decrease from the $1.6 million in sales in the same quarter a year ago.

The second quarter net loss of $116,000 is a 64 percent reduction of the net loss reported for the second quarter last year. Company officials said this continued progress toward profitability is the result of the company's commitment to improve margins, control costs and effectively manage the company's resources.The Symbion total artificial heart and the acute ventricular assist device continued their strong performance in the second quarter of 1988 with a 31 percent increase in sales. The implant rates for the heart and assist devices have increased 22 and 233 percent, respectively.