Novel System for EMG Instrumentation

Award Information
Agency: Department of Health and Human Services
Branch: N/A
Contract: 1R43NS054351-01
Agency Tracking Number: NS054351
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2005
Solicitation Year: 2005
Solicitation Topic Code: N/A
Solicitation Number: PHS2005-2
Small Business Information
6901 East Fish Lake Road, Suite #190, Maple Grove, MN, 55369
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 (763) 463-4814
Business Contact
Phone: (763) 463-4814
Research Institution
DESCRIPTION (provided by applicant): Advanced Medical Electronics Corporation (AME) proposes to develop wireless electromyography (EMG) integrated circuits (ICs) for research and clinical applications in neurological pathologies, such as pediatric cerebral palsy, Parkinson's, stroke, etc. The current state-of-the-art for wireless EMG applications is collection of EMG sensors wired to a body-worn amplifier and transmitter device in a star topology. The connecting wires, which are secured to the body, may (1) restrict body movement, especially with children, and (2) add noise and/or motion artifacts. Sensors based on the proposed integrated circuit will not suffer from these limitations since they will locally amplify, digitize and transmit EMG signals without the need for wires, which is of particular importance in dynamic EMG measurements where the subject is in motion. Recent advances in 1C technology enable AME to design and fabricate wireless EMG ICs that integrate the functions of EMG sensing, signal conditioning, digitizing, wireless transmission, and power sourcing into a very small electrode package. An electrode package held to the skin by adhesive will be able to transmit the data via a wireless network to a data collection PC. The ICs will implement a network protocol that will support up to 16 independent wireless EMG sensors. In phase I, AME will completely specify the 1C requirements, design the analog building block circuits, design the custom logic to implement the wireless network protocol, and perform mixed signal simulations. This project's innovation stems from AME's ability to integrate all the functions necessary to perform wireless EMG data collection on a single IC.

* Information listed above is at the time of submission. *

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