Patent ID: 8114181
Filing Date: 2012-02-14
Classification: A61B

Abstract:
1. A reflux trap for use in a plasma generator and delivery system to prevent back flow of fluids and debris from a patient to the plasma generator during a surgical procedure comprising a trap housing including a proximal diffuser chamber and a distal deflection chamber having a collection area separated by a baffle disposed within said trap housing and having at least one gas flow aperture formed therethrough, a proximal inlet port and a distal outlet port formed on opposite end portions of said trap housing to feed gas to and from said trap housing through said proximal diffuser chamber, said gas flow aperture and said distal deflection chamber, said baffle further including a diffuser member disposed in said proximal diffuser chamber such that gas fed into said proximal diffuser chamber through said proximal inlet port impigns thereon and diffused through said gas flow aperture into said distal deflection chamber and through said distal outlet port to the surgical site on the patient and a deflection member disposed in said distal deflection chamber such that fluids and debris flowing back from the patient through said outlet port into said distal deflection chamber impign thereon and are deflected away from said gas flow aperture to said collection area preventing fluids and debris from migrating through said gas flow aperture into said proximal diffuser chamber isolating the plasma generator against back flow of fluid and debris from the patient.