Patent ID: 9451981
Filing Date: 2016-09-27
CPC Classification: A61B,A61M

Claim Text:
1. A surgical method comprising: A.) providing a first sheath, and a second sheath unattached to the first sheath: B.) inserting a first body section of the first sheath into a first nostril of a patient, with the first sheath having a first conical section joined to the first body section, and with the first conical section outside of the first nostril; C.) after performing step B, inserting a second body section of the second sheath into a second nostril of the patient, with the second sheath having a second conical section joined to the second body section, and with the second conical section outside of the second nostril; and D.) after performing step C, attaching the first conical section of the first sheath to the second conical of the second sheath; E.) after performing step D, moving a first surgical instrument through the first sheath.