POWER OF ATTORNEY
                              SEC FORMS 3, 4 and 5

     The undersigned, Richard A. Costello, hereby appoints
and designates each of Lynn DeMartini and Janice Rough his
attorney-in-fact, signing singly, to execute and file on the
undersigned's behalf all Forms 3, 4, and 5 (including any
amendments thereto) that the undersigned may be required to
file with the U.S. Securities and Exchange Commission as a
result of the undersigned's ownership of or transactions in
securities of ICU Medical Inc. Any previous authority to
act on the undersigned's behalf in connection with
such execution and filing of Forms 3, 4 and 5 is hereby revoked
and the authority of Lynn DeMartini and Janice Rough under this
Statement shall continue until the undersigned is no longer
required to file Forms 3, 4 and 5 with regard to the
undersigned's ownership of or transactions in securities of
ICU Medical Inc., unless earlier revoked in writing. The
undersigned acknowledges that neither Lynn DeMartini nor
Janice Rough is assuming any of the undersigned's
responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934.


Date: August 25, 2003

/s/ Richard A. Costello
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Richard A. Costello