Tissue shaving instrument with navigation sensor

US10959785B2 · kind B2 · utility

Assignee

• Acclarent, Inc. · US

Inventors

• Fatemeh Akbarian · Rancho Palos Verdes, US
• Itzhak Fang · Irvine, US
• Azhang Hamlekhan · Irvine, US
• Jetmir Palushi · Irvine, US
• Ehsan Shameli · Irvine, US
• David A. Smith, JR. · Lake Forest, US

Key dates

• Filing date: Dec 12, 2017
• Grant date: Mar 30, 2021
• Expiry date: Nov 29, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2217/005
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical instrument and method of tracking the surgical instrument includes a shaft, a cutting member, and navigation system. The shaft has a shaft lumen, a shaft window, and a shaft edge. The cutting member is disposed within the shaft lumen and is configured to cyclically move from a first position to a second position relative to the shaft. The cutting member includes a cutting window opening, a cutting edge, and a suction lumen to cut the tissue portion with the cutting member in the first position. The navigation system includes a navigation sensor positioned on at least one of the shaft or the cutting member that is configured to be tracked within a patient for identifying a positional movement of the shaft or the cutting member within the patient.