Exhibit 23.1

               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

Diomed Holdings, Inc.
Andover, MA

We hereby consent to the use in the Prospectus constituting a part of this
Registration Statement of our report dated March 5, 2003, relating to the
consolidated financial statements of Diomed Holdings, Inc., which is contained
in that Prospectus. Our report contains an explanatory paragraph regarding the
Company's ability to continue as a going concern.

We also consent to the reference to us under the caption "Experts" in the
Prospectus.

BDO Seidman, LLP
Boston, MA

January 15, 2004