Cardiopulmonary exercise testing apparatus and method

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Oct 21, 2004 - The software program uses these compensation and calibration ..... nal 200 from a gas analyZer such as th
USO0RE41332E

(19)

United States

(12) Reissued Patent

(10) Patent Number:

Binder (54)

(45) Date of Reissued Patent:

CARDIOPULMONARY EXERCISE TESTING APPARATUS AND METHOD

5,462,504 A 5,474,090 A

_

Andrew 5' Bmder’ Santa Barbara’ CA (US) (73) Assignee: Mergenet Medical, Inc. Coconut Creek FL (Us) ’



* 10/1995 Trulaske et a1. .............. .. 482/7 * 12/1995 Begun et a1. .............. .. 600/520

Sue DY.; Wasserman K; “Impact of intergative cardiopul monary exercise testing on clinical decision making,” Chest: 981C982 1991'* Beaver W.L.; Wasserman K; Whipp B], “A neW method for detecting anaerobic threshold by gas exchange,” Journal of A

(21) Appl' NO‘: 10/969’792 Filed;

May 11, 2010

OTHER PUBLICATIONS

(75) Inventor:

(22)

US RE41,332 E

lied Ph siolo

Wager

Oct 21, 2004

, 60: 202042027 1986 .*

lanicgklillS; Mcelroy Pin; “Determination of

areobic capacity and the severity of chronic cardiac and cir

culatory failure,” Circulation 76(suppl. VI)40*45, (1987).* Related US, Patent Documents

Reissue of; (64) Patent No.1 Issued:

NO" '

(62)

Noguchi, H; Ogushi Y; et al “Breath by breath VCO2 and

6,468,211

VO2 require compensation for transport delay and dynamic response,” Journal of applied Physiology 52z79i84 (1982).*

Oct. 22, 2002

* Cited by examiner

3946816632300

Primary ExamineriRobert L Nasser

'



(74) Attorney, Agent, or FirmiMaier & Maier, PLLC

Division of application No. 09/322,320, ?led on May 28,

(57)

ABSTRACT

1999, now Pat. No. 6,174,289.

(51)

(52)

(200601) (200601)

A gas analysis apparatus, and a method for calibrating it and for compensating measurement errors, are disclosed. This method and apparatus are particularly suited for use during a cardiopulmonary exercise test by a test subject. The oxygen

US. Cl. ...................... .. 600/300; 600/520; 600/483;

and carbon dioxide concentrations of the subject’ s breath are measured, and errors are Compensated based on the results

600/301; 482/7

of previous calibration. These compensated measurements,

Int‘ Cl‘ ‘4613 5/00 ‘4633 24/00

0f Classi?cation Search ...................... .. None

See application ?le for Complete Search history

as Well as other physiological data monitored

the

cardiopulmonary exercise test quantities calculated from these measurements, are presented as a series of graphs in a

(56)

References Cited

logical order to enhance their diagnostic and prognostic value. A facemask and headstraps are adapted for use With

U.S. PATENT DOCUMENTS 4,368,740 A

*

1/1983

4,463,764 A

*

8/1984 Anderson et al.

4,909,259

*

3/1990

A

4,930,519 A 4,966,141 A 5,435,315 A

* 6/1990 * 10/1990 * 7/1995

the gas analysis apparatus. The facemask possesses a plural

Binder ..................... .. 600/531

Tehrani

. . . . . . . . . . . . .

600/532 . . . ..

600/531

Anderson et al. ......... .. 600/484 Bacaner et a1. ...... .. 128/207.14 McPhee et al. ........... .. 600/483

ity of pins ?tting into corresponding holes in the headstraps, and the headstraps possess quick-release attachment means to provide for quickly securing the face mask to or removing it from a subject.

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