The wall is reached by passing through the nostrils with microsurgical instruments. Otolaryngologists were the first physicians to use microsurgical techniques. The Doctor knows of Solon as an authority on microsurgical techniques and tissue transplant. His research interests include vascular neuroanatomy and microsurgical techniques. Operating with microsurgical instruments allows precision in suturing of the tubal segments. A number of surgical specialties use microsurgical techniques. This microsurgical procedure is called tubal reimplantation. Sharp dissecting or microsurgical scissors are used to clip specific ventrals on snakes. These options are observation, microsurgical removal and radiation (radiosurgery or radiotherapy). For a vasovasostomy, two microsurgical approaches are most commonly used. The first microsurgical vasectomy reversal was performed by Earl Owen in 1971. Serious complications can follow microsurgical decompressive operations, even when performed by experienced surgeons. For a vasectomy reversal that involves a vasoepididymostomy, there are two microsurgical approaches. A microsurgical technique is used to carry out apicectomy, which improves post-operative healing.