** Shares of Artrya AYA.AX fall 3.5% to A$0.83

** Stock marks its worst intraday drop since January 29

** The medtech co says it has received commitments to raise A$15 million ($9.48 million) via share placement at an issue price of A$0.73 apiece

** Issue price represents a discount of 17.8%, as of the stock's last close

** Says placement proceeds will be used to accelerate commercial adoption of its Salix software in new U.S. hospitals

** Stock surged 70.8% in January

($1 = 1.5815 Australian dollars)

(Reporting by Kumar Tanishk in Bengaluru)

((Tanishk.Kumar@thomsonreuters.com;))