Medical

Intuitive Surgical

• Designed a system module with speakers, microphone, and a TMS320VC5509A DSP to provide full-duplex speech in the next generation surgical robot.
• Developed a real-time full duplex conferencing application using several Adaptive Digital Technologies components including Audio Echo Cancellation, Noise Reduction, Automatic Gain Control and Anti-Howling using a notch filter.
• Designed some custom high pass FIR filters.
• Supported the integration of the system module with the rest of the software team with a focus towards a robust, low-delay solution.

 

ALFA Thermodynamics

• Developed Bluetooth communication protocol to manage data from a medical temperature probe.
• Designed custom C# GUI to manage temperature measurements from probe.
• Developed custom database management libraries.

 

ALFA View Features

GUI Example

• Collects data from medical device over a Bluetooth connection
• Store and track data transfers
• Store and manage data in an access database
• Report generation

 

 

D2M

• Developed most firmware for The iMetrikus Air Watch.
• Engaged with h/w engineering to design the MSP430 (F448) processor.
• Developed firmware algorithm to migrate the existing HC05 firmware to a new processor (original processor was end-of-life).
• Emphasis was placed on power mangement and user experience considerations during the firmware development .

 

Black Diamond Video

• Developed an 18-channel wideband Audio Echo Canceller solution.
• Provided an anti-howling solution for high-end audio applications.
• Solutions were developed using a bank of TMS320C6747-300 floating point DSPs.

 

Proteus Biomedical

• Worked on a Raisin Patch device which uses an edible microchip meant to signal to a skin-stuck sensor when it’s been ingested. The “Raisin” system allows doctors to perform monitoring and verification remotely.
• Developed DSP bootloader and firmware upgrade protocol.
• Integrated a Bluetooth communication stack.
• Diagnosed several system problems including an ADC lockup issue.

 

 

Proteus PatchMonitor Features

GUI Example

• Collects megabytes of data from medical device over a Bluetooth connection
• Store and track data transfers
• Secure logging of all transactions
• Periodic HTTP transfer to web server using https
• Complete control over Bluetooth communication stack including PIN