CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Amendment No. 2 to Registration Statement on Form S-1 of our audit report, dated April 16, 2012, relating to the financial statements of BioDrain Medical, Inc. appearing in the Prospectus which are a part of this Registration Statement. We also consent to the reference to our Firm under captions “Experts” in the Prospectus.
Olsen Thielen & Co., Ltd.
/s/ Olsen Thielen & Co., Ltd.
St. Paul, Minnesota
October 18, 2012
