Dr. Tajkarimi performs Intravesical botox injections in less than 15 minutes in the office setting. Dr. Tajkarimi is now offering the Penuma penis enlargement implant. We are among a handful of centers offering this life-changing procedure. Penuma® is the first FDA-cleared penile was implant for cosmetic enhancement. Developed by world-renowned urologist, Dr. James Elist, Penuma® has been successfully implanted in thousands of men.