Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Franklin Pass, M.D. and Mark S. Derus, his true and lawful attorneys-in-fact and agents, with full powers of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities to execute Registration Statements on Form S-8 to be filed under the Securities Act of 1933, as amended, for the registration of 495,050 shares of Common Stock of Medi-Ject Corporation under its 1993 Stock Option Plan and for the registration of 500,000 shares of Common Stock of Medi- Ject Corporation under its 1996 Stock Option Plan and any and all post-effective amendments thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or their substitutes, may lawfully do or cause to be done by virtue hereof. Dated: January 24, 1997 /s/ Louis Cosentino ----------------------------------------- Louis Cosentino /s/ Kenneth Evenstad ----------------------------------------- Kenneth Evenstad /s/ Geoffrey Guy ----------------------------------------- Geoffrey Guy /s/ Norman Jacobs ----------------------------------------- Norman Jacobs /s/ Fred Shapiro, M.D. ----------------------------------------- Fred Shapiro, M.D. /s/ Peter Sjostrand ----------------------------------------- Peter Sjostrand