Figure 5From: A technical modification for percutaneous tracheostomy: prospective case series study on one hundred patientsThe self-retaining retractor. Insert (A) depicts how the self-retaining retractor is passed over the guidewire in locked position. Picture (B) shows how the retractor enables hands free lateral retraction of the pre-tracheal soft tissue, and the aperture on the anterior tracheal wall. The limiter ridge prevents insertion of the retractor too far into the trachea.Back to article page