Catalysts for body fluid sample extraction

United States Patent

USO08012103B2

(12) (10) Patent No.: US 8,012,103 B2 Escutia et al. (45) Date of Patent: Sep. 6, 2011 (54) CATALYSTS FOR BODY FLUID SAMPLE 4,702,261 A 10/ 1987 Cornell et al. EXTRACTION 4,711,250 A 12/1987 Gilbaugh, Jr. et al. 4,815,843 A 3/1989 Tiefenthaler et al. . 4,995,402 A 2/1991 S 'th t l. (75) Inventors: Raul Escutla, Palo Alto, CA (US); 5,146,437 A 9/1992 Bfillchgrsn Jeffrey L- Emery, Redwood City, CA 5,176,632 A 1/1993 Bernardi (US); Craig M. Litherland, Cupertino, 5,241,969 A 9/ 1993 Carson et al. CA (US) 5,354,537 A 10/1994 Moreno 5,441,513 A 8/1995 Roth (73) Assignee: Intuity Medical, Inc., Sunnyvale, CA Q glililgr et 31' (US) 5,575,403 A 11/1996 Charlton et al. 5,630,986 A 5/1997 Charlton et al. ( * ) Notice: Subject to any disclaimer, the term of this 5,660,791 A 8/ 1997 Brennernan et al. patent is extended or adjusted under 35 5,701,181 A 12/1997 139141151“ e1a1~ U.S.C. 154(b) by 0 days. (Continued) (21) Appl. No.: 11/529,613 FOREIGN PATENT DOCUMENTS _ WO 99/44508 A1 9/1999 (22) Filed. Sep. 29, 2006 (Continued) (65) Prior Publication Data US 2007/0083131 A1 Apr. 12, 2007 Primary Examiner — MaX Hindenburg Assistant Examiner — John Pani Re1ated U-s- APP11eat1°n Data (74) Attorney, Agent, or Firm — Buchanan Ingersoll & (60) Provisional application No. 60/721,966, filed on Sep. Rooney RC‘ 30, 2005. (51) Int‘ Cl‘ (57) ABSTRACT A613 5/00 (200601) An arrangement for producing a sample of body fluid from a A613 17/14 (200601) wound opening created in a skin surface at a sampling site A613 17/32 (200601) includes at least one skin-penetration member having a first B6-‘D 81/00 (200601) end configured to pierce the surface of the skin, and a inner (52) U-s- C1- ~~~~~~ ~- 600/583; 600/575; 600/576; 600/584; lumen in communication with the first end; at least one actua606/183 tor operatively associated with the at least one skin-penetra(58) Field of Classification Search ................ .. 600/573, tion member; and at least one catalyst device configured to 600/576-579, 583, 584; 606/181, 182, 183 cause perfusion ofbody fluid at the sampling site; wherein the See application file for complete search history. at least one actuator is configured to locate the at least one skin-penetration member so as to obstruct the wound opening (56) References Cited while transporting body fluid through the inner lumen. Asso

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