Tissue extraction devices and methods

US9597149B2 · kind B2 · utility

Assignee

• IOGYN, INC. · US

Inventors

• Aaron Germain · Campbell, US
• Kyle Klein · San Jose, US
• Michael D. Walker · San Francisco, US
• Csaba Truckai · Saratoga, US
• John H. Shadduck · Menlo Park, US

Key dates

• Filing date: Oct 30, 2012
• Grant date: Mar 21, 2017
• Expiry date: May 23, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2218/007
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Tissue may be cut and extracted from an interior location in a patient's body using a probe or tool which both effects cutting and causes vaporization of a liquid or other fluid to propel the cut tissue through an extraction lumen of the cutting device. The cutting may be achieved using an electrosurgical electrode assembly, including a first electrode on a cutting member and a second electrode within a cutting probe or tool.