Surgery – Diagnostic testing – Measuring electrical impedance or conductance of body portion
Reexamination Certificate
2007-01-09
2007-01-09
Nasser, Robert L. (Department: 3735)
Surgery
Diagnostic testing
Measuring electrical impedance or conductance of body portion
C600S529000, C128S204230
Reexamination Certificate
active
10742356
ABSTRACT:
A ventilation system (1, 10) is combined with a measuring method (2, 22, 222) for electric impedance tomography (EIT). Bidirectional data exchange between the two systems is provided. Both the ventilation system (1, 10) and the measuring system (2, 22, 222) have a first and second communications electronic unit (11, 12) each with associated transmitting and receiving means for the bidirectional data exchange.
REFERENCES:
patent: 6723055 (2004-04-01), Hoffman
patent: 2003/0216664 (2003-11-01), Suzrez
patent: 1 000 580 (2000-05-01), None
Kunst, A.W. et al, Monitoring of recruitment and derecruitment by electrical impedance tomography in a model of acute lung injury, Critical Care Medicine, vol. 28(12): 3891-3895, 2000.
Frerichs et al., Monitoring Regional Lung Ventilation by Functional Electrical Impedance Tomography during Assisted Ventilation, Annals of the New York Academy of Sciences, vol. 873, pp. 493-505, 1999.
Leonhardt Steffen
Teschner Eckhard
Dräger Medical AG & Co KGaA
McGlew & Tuttle PC
Nasser Robert L.
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