EXHIBIT 23.1





                              CONSENT OF ATTORNEYS

     Reference is made to the Registration  Statement of ActiVein,  Inc. on Form
S-1 whereby the Company plans to sell up to 5,000,000 shares of its common stock
and  the  selling  shareholders  propose  to sell up to  275,000  shares  of the
Company's  common  stock.  Reference  is also made to Exhibit 5 included  in the
Registration Statement relating to the validity of the securities proposed to be
sold.

     We hereby consent to the use of our opinion  concerning the validity of the
securities proposed to be sold.


                                Very truly yours,

                                HART & TRINEN, L.L.P.



                                /s/ William T. Hart
                                --------------------------------
                                 William T. Hart


Denver, Colorado
March 3, 2010