Method and apparatus for accessing the interior of a hip joint, including the provision and use of a novel telescoping access cannula and a novel telescoping obturator

US9161839B2 · kind B2 · utility

Assignee

• Pivot Medical, Inc. · US

Inventors

• James Flom · Redwood City, US
• Thomas Weisel · Ventura, US
• Andrew Lantz · San Francisco, US
• Roger Pisarnwongs · Valencia, US
• Jonathan M. Dewey · Memphis, US
• Matthew Frushell · Danville, US
• Bryan Kelly · New York, US
• Michael Wei · Redwood City, US

Key dates

• Filing date: Apr 23, 2013
• Grant date: Oct 20, 2015
• Expiry date: Apr 23, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/347
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A telescoping access cannula including an outer tube; an inner tube carried by the outer tube, the inner tube being coaxial with the outer tube and longitudinally movable relative to the outer tube; and a rotatable member carried by the outer tube and connected to the inner tube, wherein rotation of the rotatable member causes longitudinal movement of the inner tube relative to the outer tube.