Organ rejection monitoring

Details Organ rejection monitoring Organ rejection monitoring

2006-10-31

2006-10-31

Hindenburg, Max F. (Department: 3736)

Surgery

Diagnostic testing

Measuring electrical impedance or conductance of body portion

Reexamination Certificate

active

07130679

ABSTRACT:
The invention is directed to techniques for monitoring organ rejection. An implanted device monitors the impedance of the transplanted organ. When the impedance measurements indicate that the organ is being rejected, the device provides early warning of rejection.

REFERENCES:
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patent: 5947910 (1999-09-01), Zimmet
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patent: 2003/0216663 (2003-11-01), Jersey-Willuhn et al.
patent: 2004/0092841 (2004-05-01), Singer
Arnold, R., “An Implantable Low Power Mixed Signal Telemetry Chip for Measurements of the Frequency Dependent Impedance of Transplanted Kidneys for Rejection Control,”IEEE, p. P3-P6 (2001).
Zupan, I., “Rejection Reactions in Patients After Orthotopic Heart Transplantation”, Sdrav. Vostn. 2001:70, pp. 536-539.

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