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consulting, incorporated

Walker Sloan

 

mechanical engineering • design and development

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SUMMARY

Mechanical design and development of medical devices, from product specification and concept through manufacturing. Interdisciplinary/interdepartmental communication. Vendor evaluation and high-tech component sourcing. Analysis of persisting or unprecedented problems. Technology/feasibility studies. SolidWorks.

"The lowest cost product is that which starts down the right path. Technical feasibility is only part of choosing that path."
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EXPERIENCE

2009-2010

Consulting Engineer

Medical Device Development		 Logic Product Development - Maynard, MA
  • Design and build fully functional prototype for an automated trans-dermal injection system.

2009

Consulting Engineer

Medical Device Development		 Bridgemedica - Walpole, MA
  • Product concept and fab test system for components in an extracorporeal blood handling device.

2007-2009

Consulting Engineer

Molecular Biodetection Device		 BioScale, Inc. - Cambridge, MA
  • Design and pilot production of fluidic interface mechanisms to a MEMS detection chip.

2001-2007

Principal Engineer

Medical Device Development		 EXACT Sciences Corp. - Marlboro, MA
  • Molded microplate disposables, including bonded filter plate.
  • Electrophoresis systems.
  • Microfluidics devices.

1994-2001

Consulting Engineer

Medical Device Development		 Exact Laboratories Inc. - Maynard, MA
  • Microfluidic device and centrifuge.
  • Sample collector. Patented.
  • High amplitude shaker and cabinet for stool homogenization.
P.D. Co-op, Inc. - Gorham, ME
  • Drug infusion pump system design.
  • Coil winding tool for coil with concave surface.

1990-1994

Principal Mechanical Engineer

Engineered core products and supported GMP manufacturing in a Medical Device start-up company

Cytyc Corporation - Marlboro, MA
  • TransCyt® filter product with bonded polycarbonate membrane. Patents.
  • Microscope slide handling system.
  • Specified interactive testing of cell pools, filters, and ThinPrep® unit.
  • Slide prep robotic automation unit with unique safety features.

1990

Consulting Engineer

Eliminated problem aspects of laser drum plotter designs

 Optronics Corporation - Chelmsford, MA
  • Eliminated redundant positioning components, solved recording drum mis-registration, and drive train vibrations in four different laser drum plotter products.

1984-1989

Part Time Consulting Engineer

Provided mechanical concepts and design support to state-of-the-art blood pressure metrology research.

 Joseph Seale Consulting Engineering - Gorham, ME
  • Two-axes sweeping, servo-aimed ultrasonic transducer and arterial vibrator for non-invasive blood pressure metrology, for Critikon/J&J.
  • Radial artery external pulse-force transducer incorporating an EKG device to measure blood pressure pulse wave transit time from systole to arrival of the pulse wave at the radial artery.
  • Intraocular pressure transducer design.

1980-1989

Wang Laboratories Incorporated - Lowell, MA

1985-1989
  • Section Manager - Evaluated 20 OEM magnetic and optical mass storage devices for incorporation into Wang product lines.

1982-1984
  • Principal Mechanical Engineer - Managed R&D program for dot matrix print heads.

1980-1981
  • Senior Mechanical Engineer - Hired and managed mechanical design group for disk drives and test equipment.

1970-1980

Digital Equipment Corporation - Maynard, MA

1972-1980
  • Mechanical Design Engineer - Designed disk products and servo writers.

1970-1971
  • Production Engineer - Transferred three disk drive products from design into manufacturing.

1969

RCA Information Systems - Marlboro, MA

Production Engineer
  • Manufacturing methods, flow, and layout for disk magnetic recording heads.
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PERSONAL PROJECTS
Wind energy systems (bearings, blade fab)
Underwater habitats (film bonding, marine eng)

EDUCATION
1968 Bachelor of Science - Physics, MIT, Cambridge, MA
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