MERIT MEDICAL SYSTEMS, INC.

POWER OF ATTORNEY

For Executing Forms 3, 4 and 5

Know all by these presents that the undersigned hereby constitutes
and appoints each of Fred P. Lampropoulos, Kent W. Stanger,
Rashelle Perry and Gregory L. Barnett, signing individually, his
true and lawful attorney-in-fact to:

(1)  execute for and on behalf of the undersigned Forms 3, 4 and 5
(including any amendments thereto) which may be required to be
filed in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the rules thereunder as a result of the
undersigned's ownership of or transactions in securities of Merit
Medical Systems, Inc.;

(2)  do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete the
execution of any such Form 3, 4 or 5 and the timely filing of such
form with the United States Securities and Exchange Commission and
any other authority; and

(3)  take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or legally required
by, the undersigned, it being understood that the documents
executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may
approve in his discretion.

The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform all and every act and thing
whatsoever requisite, necessary and proper to be done in the
exercise of any of the rights and powers herein granted, as fully
to all intents and purposes as the undersigned might or could do
if personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his substitute or substitutes, shall lawfully
do or cause to be done by virtue of this Power of Attorney and the
rights and powers herein granted.  The undersigned acknowledges
that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, are not assuming any of the
undersigned's responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934.

Photographic copies of this Power of Attorney shall have the same
force and effect as the original.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 29 day of February, 2012.


/s/ Nolan E. Karras
Nolan E. Karras