PDF《US008385995B2》

US008385995B2 (12) Ulllted States Patent (10) Patent N0.

: US 8,385,995 B2 Al-Ali et al. (45) Date of Patent: Feb. 26,

2013 (54) PHYSIOLOGICAL PARAMETER TRACKING 5,163,438 A 11/1992 Gordon etal. SYSTEM 5,337,744 A 8/1994 Branigan 5,341,805 A 8/1994 Stavridi et a1. _ . . _ D353,195 S 12/1994 Savage et al. (75) Inventors. AmmarAl-All, Tustin, CA (US), D353,196 S 0/1994 Savage et a1' Mohamed Dlab, Mlsslon V1910, CA 5,377,676 A 1/1995 Van et al. (US);

Walter M. Weber, Laguna Hills, D359,546 S 6/1995 Savage et a1. CA (Us) 5,431,170 A 7/1995 Mathews D361,840 S 8/1995 Savage et al. . . . . D362,063 S 9/1995 S t l. (73) Ass1gnee: Maslmo Corporation, Irvine, CA (US) 5,452,717 A 9/l995 13113332135211' D363,120 S 10/1995 Sava eet al. ( * ) Notice: Subject to any disclaimer, the term ofthis 5,456,252 A 10/1995 Vari "it 31, patent is extended or adjusted under

35 5,482,036 A 1/1996 Diab et a1. U_S_C_ 154(1)) by

1604 days_ 5,490,505 A 2/1996 Diab et a1. 5,494,043 A 2/1996 O'Sullivan et a1. _ 5,533,511 A 7/1996 Kaspari et al. (21) APP1-N°-- 11/834'602 5,561,275 A 10/1996 Savage et al. _ 5,562,002 A 10/1996 Lalin (22) F1led: Aug. 6,

2007 5,590,649 A 1/1997 Caro et a1. 5,602,924 A 2/1997 Durand et a1. (65) Prior Publication Data 5,632,272 A 5/1997 Diab et a1~ 5,638,816 A 6/1997 Kiani-Azarbayjany et al. US 2008/0027294 A1 Jan. 31,

2008 5,638,818 A 6/1997 Diab et al. 5,645,440 A 7/1997 Tobler et a1. 5,685,299 A 11/1997 Diab et a1. Related US. Application Data

13393330 5 4/1998 Tobler et a1, (63) Continuation of application No. 10/930,048, ?led on i E513: ' et 31' Aug. 30, 2004, noW Pat. No. 7,254,431. 5,760,910 A 6/1998 Leppei, Jr, et a1. . . . . 5,769,785 A 6/1998 D' b t l. (60) Prov1s1onal appl1cat1on No. 60/498,749, ?led onAug. (cominredj a 28, 2003. (51) Int Cl Primary Examiner * Eric Winakur A623

51455 (2006 01) Assistant Examiner * Chu Chuan (1]) Liu (52) U

5 Cl 606/310

600622 600623 (74) Attorney, Agent, or Firm * Knobbe, Martens Olson & B LLP (58) Field of Classi?cation Search 600/309, ear 600/310, 322, 323, 324, 326, 330, 331, 336, (57) ABSTRACT 600/301 See application ?le for Complete Search history' A physiological parameter tracking system has a reference parameter calculator con?gured to provide a reference (56) References Cited parameterresponsiveto aphysiological signal input.Aphysi ological measurement output is a physiological parameter Us PATENT DOCUMENTS derived from the physiological signal input during a favorable * . condition and an estimate of the physiological parameter i '(g/(115i;

600630 according to the reference parameter during an unfavorable 4,964,408 A 10/1990 Hink et al. Condition 5,041,187 A 8/1991 Hink et a1. 5,069,213 A 12/1991 Polczynski

5 Claims,

5 Drawing Sheets .500 PHYSIOLOGICAL J9 SIGNAL ,9 ,2 PHYSIOLOGICAL

50 MEASUREMENT

02 REFERENCE

70 61155313561 PARAMETER J2 FUNCTION OUTPUT :05 5a SLOW

22 MUX PARAMETER ANCILLARY FUNCTION PARAMETER CALCULATION UPDATE

52 04 US 8,385,995 B2 Page2 U.S. PATENT DOCUMENTS 6,671,531 B2 12/2003 Al-Ali et a1. . 6,678,543 B2 1/2004 Diab et a1. 25%;

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2232 6,684,090 B2 1/2004 Ali et a1. 5,791,347 A 8/1998 Flahertyetal.

616841091 B2 V2004 Parke? 5,810,734 A 9/1998 care et a1.

616971656 B1 2/2004 Al-All 5,823,950 A 10/1998 Diab etal' 6,697,657 B1 2/2004 Shehadaetal. 5,830,131 A 11/1998 care etal. 6,697,658 B2 2/2004 Al-Ali 5,833,618 A 11/1998 care et a1. RE38,476 E 3/2004 Diab er

41 5,853,364 A 12/1998 Baker et a1.600/310 6,699,194 B1 3/2004 Diab et a1. 5,860,919 A 1/1999 Kiani-Azarbayjany et a1. 6,714,804 B2 3/2004 Al-Ali et a1. 5,890,929 A 4/1999 Mills et a1. RE38,492 E 4/2004 Diab et a1.