Breath test device and method

US8512258B2 · kind B2 · utility

Assignee

• EXALENZ BIOSCIENCE LTD. · IL

Inventors

• Ilan Ben Oren · Lod, IL
• Gil Guggenheim · Jerusalem, IL
• Avraham Hershkowitz · Nof Ayalon, IL
• Dario Vertnik · Tel Aviv-Yafo, IL
• Mori Arkin · Kfar Shmaryahu, IL
• Mira Kremer · Kochav Yair Tzur Yigal, IL
• Yaron Ilan · Kfar Tavor, IL

Key dates

• Filing date: Jul 29, 2008
• Grant date: Aug 20, 2013
• Expiry date: Jul 13, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A90/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

There is provided a method of evaluating a liver condition of a subject, the method includes computing a fluctuation parameter from a liver breath test based on at least one of a percentage dose recovery (PDR) curve and a delta over baseline (DOB) curve of an isotope labeled methacetin, or a salt or a derivative thereof, and evaluating at least one liver condition of the subject, based at least on the fluctuation parameter. There is provided herein a method of evaluating a liver condition of a subject, the method includes computing a hepatic impairment score based at least on a breath test related parameter and on a demographic parameter.