Medical Device Chemical Engineer

908-***-**** (cell) William Donahue Bedminster, NJ 07921 **********@***.***

Medical Devices – Materials and Process Development - Concept thru Product Introduction Chemical Engineer active in Polymer Materials, Composite Materials, Coating, Cure & Testing Hands-on, versatile, experience developing manufacturing processes is available. Coating, curing and testing films focus exercised in medical devices and on weblines. Prototype builds, polymer processing & validations show my problem solving. Medical & military composite materials. Rehired at Hydromer, Osteotech and Cordis

● 20 years in Medical Implants ● Solve problems: DMAIC, Six Sigma tools ● Cardiovascular & Disposables projects

● AutoCAD and SolidWorks user ● Originated medical device tests ● Wrote Validation Protocols & Executed Contributing to Medical Device development from the early concepts to sustaining & revalidating extant devices. Strong in small scale fluid mechanics and delivery tools, prototype building & testing, Test Method development. Coat, Convert ● Converted ePTFE envelopes from hydrophobic to hydrophilic Vertex Pharmaceuticals Processing: ● Fixed steering on foam rubber vulcanizing line saving belt changes Rogers Corporation

● Identified vapor permeability tool for receiving inspection quality control Rogers Corporation

● Simplified multi-layer military coating into knit fabric, fixtures & technique Advanced Defense

● Prepped upgrade from sheet casting to webline for multilayer product Solutions Technologies

● Upgraded adhesion tools, lamination process, ventilation, shipping boxes Advanced Defense ST

● Coated, UV cured and validated coronary catheter part Cordis Corporation

● Coated coronary stents, without bridging, for drug elution Bolton (Terumo Aortic)

● Designed reel-to-reel tube coating line, built and ran it in 3 weeks Hydromer

● Developed method to load hydrogel into client sponges to expand usage Hydromer

● Set up cleanroom to coat and cure guidewires for clinical trials Hydromer

● Coated catalyzed epoxies and bismaleimides onto release liner for prepreg ICI Fiberite (Syensqo)

● Impregnated carbon and glass fiber into prepreg for aero & other uses ICI Fiberite (Syensqo)

● Built versatile pilot line for grad student studies of varied coating methods U Minnesota Chemical Eng

● Designed, instrumented and built web coating line with steering & tension U Minnesota Chemical Eng Med Device ● Found coating formulation, mix & UV curing errors, resolved all three St Jude Medical (Abbott) Validations: ● Managed plastisol oil change for multi-million/yr respiratory therapy masks CareFusion (BD)

● Tuned Supercritical CO2 process for introduction of an orthopedic implant Osteotech (Medtronic)

● Expanded capacity of bone void filler production for unanticipated demand Osteotech (Medtronic)

● Identified REACH & RoHS plasticizers for relabelling across all product lines CareFusion (BD)

● Conceived method to validate drug-eluting stent durability for shed particles Cordis Corporation

● Validated durability of coating for catheter part after fixing coating station Cordis Corporation

● Revised, validated, supercritical process for forming permanent implant Osteotech

● Many multi-material implants: processed polymer blends, coatings Cordis, Meadox

● Validation of lubricious medical device coatings: UV and thermal cured Hydromer, St Jude Medical Med Device ● Revised existing mix procedure for explosion safety in 1/20 of process time St Jude Medical (Abbott) Innovations: ● Developed large-bore vascular closure device for TAVR and similars Collagen Matrix (Regenity)

● Identified an ink-jet printer to sharpen markings on collagen implants Collagen Matrix (Regenity)

● Developed elastomer material for a durability test fixture to match the wear of pericardium on the coronary support implant’s urethane film Cardio Technologies PTFE & ePTFE ● Converted ePTFE envelopes from hydrophobic to hydrophilic Vertex Pharmaceuticals Processing: ● Bonding sintered to unsintered ePTFE sheets into envelopes Vertex Pharmaceuticals

● Stored, mixed, preformed, ram-extruded PTFE tube & rod in multiple sizes Boston Scientific

● Bonded unsintered PTFE onto sintered ePTFE for wrapped vascular grafts Boston Scientific

● Constructed ePTFE vascular grafts from resin powder, post-processing too Boston Scientific & Atrium University of Minnesota Minneapolis MN (incomplete thesis) PhD Chemical Engineering PhD Thesis: Wave Formation at the High-Speed Limit of Dip Coating Advisor: LE Scriven Massachusetts Institute of Technology Cambridge MA BS Chemical Engineering BS Thesis: Heat Transfer from a Cylinder in Crossflow to Dilute Polymer Solutions Advisor: PS Virk Personal and community contributions: Scoutmaster & Committee Chair. Nordic ski racer. Former marathoner & triathlete. Youth baseball & basketball coach. Township parks planning committee. High school curriculum and facilities plan work.

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