(12) United States Patent (10) Patent No.: US 6,990,366 B2 Say Et Al
USOO699.0366B2 (12) United States Patent (10) Patent No.: US 6,990,366 B2 Say et al. (45) Date of Patent: Jan. 24, 2006 (54) ANALYTE MONITORING DEVICE AND (52) U.S. Cl. ....................... 600/345; 600/347; 600/360; METHODS OF USE 600/357 (58) Field of Classification Search ................. 600/345, (75) Inventors: James Say, Alameda, CA (US); 600/347,348,357,353–355,360,365,366, Michael F. Tomasco, Cupertino, CA 600/372, 373,377,381,396; 204/403.01 (US); Adam Heller, Austin, TX (US); See application file for complete Search history. Yoram Gal, Kibbutz Yagur (IL); Behrad Aria, Alameda, CA (US); (56) References Cited Ephraim Heller, Oakland, CA (US); Philip John Plante, Sunnyvale, CA U.S. PATENT DOCUMENTS (US); Mark S. Vreeke, Alameda, CA 5.431,160 A * 7/1995 Wilkins ...................... 600/347 (US); Keith A. Friedman, Austin, TX (US); Fredric C. Colman, Berkeley, * cited by examiner CA (US) Primary Examiner Max F. Hindenburg (74) Attorney, Agent, or Firm-Jackson & Co., LLP (73) Assignee: TheraSense, Inc., Alameda, CA (US) (57) ABSTRACT (*) Notice: Subject to any disclaimer, the term of this An analyte monitor includes a Sensor, a Sensor control unit, patent is extended or adjusted under 35 and a display unit. The Sensor has, for example, a Substrate, U.S.C. 154(b) by 33 days. a recessed channel formed in the Substrate, and conductive material disposed in the recessed channel to form a working (21) Appl. No.: 10/722,264 electrode. The Sensor control unit typically has a housing adapted for placement on Skin and is adapted to receive a (22) Filed: Nov.
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