Figure 10
From: The use of botulinum toxin in head and face medicine: An interdisciplinary field
Technique of BTA application in patients with intrinsic or allergic rhinitis. Left side of the picture: injection into the lower or middle turbinate. Right side of the picture (sponge technique): A sponge is placed into the nasal cavity and then filled up with BTA solution. After filling, the sponge expands and comes into close contact with the nasal mucosa. The sponge remains located in the nasal cavity for 45 minutes