Exhibit 23.3 [Patterson & Keough PA Letterhead] The Board of Directors Vascular Solutions, Inc.: 2495 Xenium Lane Plymouth, MN 55441 Board of Directors: We hereby consent to the reference of our firm under the heading "Experts" in this prospectus constituting part of the Registration Statement on Form S-1 relating to the issuance and sale of common stock by Vascular Solutions, Inc. Very truly yours, /s/ Steven J. Keough Steven J. Keough Dated: July 29, 1999