Exhibit 16.1

Tel:  604 688 5421 Fax:  604 688 5132 www.bdo.ca BDO Canada LLP 600 Cathedral Place 925 West Georgia Street Vancouver BC  V6C 3L2 Canada    

January 10, 2017

Securities and Exchange Commission

100 F Street N.E.

Washington, D.C. 20549

We have been furnished with a copy of the response to Item 4.01 of Form 8-K for the event that occurred on January 4, 2017, to be filed by our former client, Helius Medical Technologies, Inc.  We agree with the statements made in response to that Item insofar as they relate to our Firm.

Very truly yours,

/s/ BDO Canada LLP

Chartered Professional Accountants

BDO Canada LLP, a Canadian limited liability partnership, is a member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.