Methods and apparatus for facilitating direct visualized rhizotomy

US10201267B2 · kind B2 · utility

Assignee

• Phoenix Spine Holdings, Inc. · US

Inventors

• Daniel Lieberman · Phoenix, US
• Yani Deros · Phoenix, US
• Matthew Ibarra · Lakewood, US
• Kirsten Rutherford · Tempe, US
• John B. Kinnard · San Tan Valley, US
• Craig Ovans · Chandler, US

Key dates

• Filing date: May 24, 2016
• Grant date: Feb 12, 2019
• Expiry date: May 24, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2218/002
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Methods and apparatus for direct visual rhizotomy using an elongated tubular sheath. The sheath includes: a proximal end configured to removably receive a cannula; a distal end; a horizontal shaft having a longitudinal axis extending between the proximal end and the distal end; a first cut-away generally defining a first plane at the distal end, the first cut-away characterized by a first angle relative to a vertical plane; and a second cut-away generally defining a second plane at the distal end, the second cut-away characterized by a second angle relative to a horizontal plane. The sheath further includes an endoscope camera disposed at the distal end, the camera having a line of sight substantially orthogonal to the first plane.