The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2026
Filed:
Feb. 02, 2023
Arborsense, Inc., Ann Arbor, MI (US);
ARBORSENSE, INC., Ann Arbor, MI (US);
Abstract
A wrist-worn device includes a device housing, an electrochemical sensor, control circuitry, optional tamper sensors, and a water-absorbing material. The device housing includes an upper housing and a lower housing attached to the upper housing. The lower housing includes a top wall and a circumferential side wall. The top wall defines a first access opening. The device housing also includes a wrist piece having a first face and a second face that defines a trench in the first face that protrudes from the second face as a closed curve-shaped protrusion. The lower housing and the wrist piece cooperatively form an amplification chamber. The wrist piece also defines a plurality of vent holes that allow transdermally emitted ethanol to enter the amplification chamber. The control circuitry is configured to receive measurements and to calculate transdermal alcohol concentrations from the electrochemical sensor.