Engineering Design Portfolio
Next Generation RF Surgical Generator
Device Purpose
State of the art multifrequency RF surgical and aesthetic generator
Device Features
New dual frequency RF electrosurgical generator capable of continuous 300W power with 1500W peak power functionality
Device to be marketed as premiere RF surgical offering with compatible suite of aesthetic probes
Device includes surgical peripherals such as saline poles, peristaltic pumps, vacuum pumps, liquid heater and chiller
New procedure and hand piece was developed concurrently (see next project example)
My key contributions
Project management of overall R&D program: 2.5 years, $12M in revenue
Engineering team leadership on technical project direction, high level system design, and ex-vivo clinical testing approach
Tandem development of an accompanying surgical procedure and probe (see next project example below)
Management of project schedule and customer needs with weekly reporting to customer leadership and engineering team
Prototype cycle: full design of 3 main iterations over 18 months
Initial CAD of final prototype system with full accessory kit
Delivery of 15 units to support preclinical and 510k testing
RF Surgical Probe and Procedure
Device Purpose
Next generation RF powered surgical aesthetic treatment
Device Features
New aesthetic surgical procedure based on existing treatment
Specific use information under NDA
New procedure and accompanying hand piece allows treatment at 2x traditional speed
Fractionated RF power algorithms allow close loop control of RF and automatically adjustable and patient specific treatment
My key contributions
Team guidance and individual contribution of both mechanical and electrical development of new hand piece
R&D bench testing of analog tissue flow, electrical/plasma effects, impedance characteristics
Industrial design, usability, heat mitigation scheme, design for manufacturing input
Fractionated RF power algorithm development, close loop impedance logic and system limitation management
Leadership of engineering test strategy and testing of all prototype devices on human tissue in both in-vivo and ex-vivo
Iterative testing on over 100 prototypes with surgical key opinion leaders. Directed team compiling data and making design changes
Tissue affects due to heat, plasma, RF energy, etc
Initial clinical prototypes used in-vivo
Clinical ex-vivo testing with prototype system
Clinical ex-vivo testing focusing on thermal and electrical analysis
