Pure digital medical amplifier for digitally acquiring,...

Details Pure digital medical amplifier for digitally acquiring,... Pure digital medical amplifier for digitally acquiring,...

2008-03-14

2011-11-29

Patel, Niketa (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

08068916

ABSTRACT:
A new apparatus of pure digital medical amplifier used for clinical and non-clinical biomedical signal acquisition purposes is disclosed, which include: multiple single-stage amplification buffers connected to biomedical signal inputs for receiving and buffering various biomedical and reference signals, one or more high resolution analog-to-digital converter whose analog inputs connected to the output of said buffers for digitizing biomedical signals, one or more digital signal controller whose inputs/outputs are connected to said buffers and analog-to-digital converters for receiving the digitized biomedical signal data and controlling the processing and output of said digitized biomedical signal data according to preset control program or user's commands. By real-time or non-real-time method said digital signal controller does the following signal processing on the digitized biomedical signal data: filtering, compressing, decompressing, encoding, decoding, transferring, storing and retrieving, analyzing, and displaying the required said digitized biomedical signal data. This invention of amplifier requires only a few electronic components, and yields extremely low internal noise, extremely low distortion of analog output, extremely high external noise rejection and immunity, extremely high flexibility in filtering frequency setting for various biomedical signals.

REFERENCES:
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patent: 2002/0068874 (2002-06-01), Zuckerwar et al.
patent: 2002/0133087 (2002-09-01), Bayer et al.
patent: 2006/0122529 (2006-06-01), Tsau

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