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Dhara Amin , Michael Brennan, Eric DiBlasi , Andrew Smith

Team LiteCure. Dhara Amin , Michael Brennan, Eric DiBlasi , Andrew Smith. Background. LiteCure : Manufacturing company for medical devices involving advanced laser technology for the health care and veterinary industries.

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Dhara Amin , Michael Brennan, Eric DiBlasi , Andrew Smith

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  1. Team LiteCure DharaAmin, Michael Brennan, Eric DiBlasi, Andrew Smith

  2. Background • LiteCure: Manufacturing company for medical devices involving advanced laser technology for the health care and veterinary industries. • Products: Deep tissue therapy units that use laser technology to accelerate the body’s natural healing process. • Products are typically housed on a cart to allow the device to be transported from one patient to another in clinical settings

  3. Motivation Issues: • Poor fiber optic and power cord management • Lack of accessory storage and securing of those accessories • Aesthetic image of the cart • Ease of use and functionality improvements LiteCure is in need of a custom cart design that solves several problems surrounding their current cart design. Current LiteCure Cart

  4. Project Scope To design an aesthetically pleasing utility cart for LiteCure’s deep tissue therapy unit that coincides with their desired image and allows users to easily access and store all components of the unit in a clinical setting. Deliverables For Sponsor • Full Drawing Package of Final Concept • Manufacturing Details • Assembly Details • Prototype

  5. Product Line 15 Watts 9 watts 12 watts 10 watts

  6. Hand Piece and Fiber Optic Cord Hand Piece • Fiber Optic Cable: • 3 meter length • Minimum bend radius of 3 inches

  7. Product Accessories Patient Glasses Operator Glasses Laser Head Attachments “Doggles” (Veterinary Use) UPS System Foot Pedal (10 Watt Unit)

  8. Benchmarking Anthro Cart UD PT Clinic Anthro Cart Vet Hospital Cutting Edge K-Laser

  9. Design Requirements • Compatible with product line • Aesthetically pleasing • Low cost • Easy to use • Safe

  10. Product Compatibility

  11. Aesthetically Pleasing

  12. Low Cost

  13. Easy to Use

  14. Easy to Use

  15. Safety

  16. Our Process Testing Mockup Preliminary Designs Final Design Sponsor Feedback Final Prototype Design Details

  17. Basic Component Design • Platform: • Where the units sit • Structure: • Body of the cart • Base: • Bottom of the cart: Where UPS sits • Caster Selection: • Caster size, type, and vendor • Accessory Design: • Compartments for: Fiber Optic Cable, Safety Glasses, Foot pedal, Head attachments

  18. Structure Design

  19. Structure Design

  20. Platform Design

  21. Base Design

  22. Caster Selection Single Wheel Caster Thermoplastic Polyurethane Polyolefin Thermoplastic Elastomer Twin Wheel Caster Structure and Wheel Material

  23. Caster Selection Top Plate Threaded Stem Grip Ring Stem Other Considerations: • Wheel Diameter: 3 or 4 inches • Locking Wheels: yes or no • Swivel: yes or no • Load Capacity: at least 50 lbs • Warranty: at least 2 years Fastening Type:

  24. Manufacturing Research • Anthro: • Materials used for shelving • Capabilities of a wood laminate design • Cart structure material • Minimal welds in design • Extreme Machining: • Press breaking capabilities • Tube bending practices • Water and laser cutting capabilities

  25. 2nd Iteration Design

  26. 3rd Iteration Design

  27. 4th Iteration Design • Chose C-shaped structure • Added a locker • Incorporated the feel and lines of the LiteCure devices • Material: Carbon steel sheet metal

  28. Mockup • Material: Wood • Casters: 4-inch and 3-inch • Standard hardware • Mockup used for the following purposes: • Perform tipping and rolling test • Evaluate casters • Perform field test (in PT clinics) • Results: • Increase length and decrease width of platform • Front door design

  29. Customer Review • Design: UD PT Clinic and LiteCure office used mock-up for three days and took survey. • Customer review measures:

  30. Customer Review • Results: • Aesthetically appealing • Functional • Satisfactory cord and fiber optic cable management Customer Review results for the questions asked about cord and fiber optic cable management. The mean values for the question are represented with correlating standard deviations. Survey Scale: 1 –Strongly Disagree , 2 –Disagree, 3 –Neither Disagree nor Agree, 4 –Agree, 5 –Strongly Agree

  31. Mechanical Testing: Tipping

  32. Stress Analysis

  33. Final Design • Material: 14 Gauge & 16 Gauge Carbon Steel • Casters: 4 inch diameter • Fasteners: PEM fasteners • Features: Back locker, front door • Storage space: 1.9 ft^3 • Height: 30 inches • Weight: 65 pounds

  34. Final Design: Aesthetics • C – Shaped cart with curves and lines similar to LiteCure devices • Color scheme can be used for both product lines • Space for logo • Finish: Powder coated paints • Larger 4 inch casters

  35. Final Design: Platform • One size platform for multiple devices • Refined dimensions • Perimeter around device • Hole for cord management

  36. Final Design: Structure • Wide base for stability • PEM fasteners attach all parts • Flanges on shelves add strength • Converged to aesthetic design based on sponsor feedback

  37. Final Design: Additional Features • Front Door: • Easy access to goggles and head attachments • Goggles stored in mesh bag on front door • Speed controlled hinge • Back locker • Easy access to all shelves • UPS and miscellaneous storage space • Rotating latch

  38. Final Design: Additional Features • Fiber Optic Management • Hook design • Quickly drape cord over hook • Secure hand piece on device • Power Cord Management • Hole in top platform • Hole in back locker door • Internal guide for cords

  39. Cost Analysis • Quote of 1 Cart (machine shop) • $1460 • Does not include: PEM Fasteners, McMaster Hardware, Casters, Front Handle, and Fiber Optic Cable Management Hook. • Quote for 1000 number of units (machine shop) • $200 - $225 a unit • Hardware Cost: About $31 a unit • PEM Fastener Cost: About $30 a unit • Casters Cost: About $34 a unit

  40. User Instructions • Assembly • PEM fasteners press fit in to side panels • Detailed instructions for assembly • Only 1 tool needed: Wrench • Packaging • Cart can be broken down in to smaller, flat parts • Box dimensions: 27.5 in x 27.75 in x 6 in

  41. Design Validation

  42. Path Forward • Give LiteCuredrawing package and assembly instructions. • LiteCure can take design to manufacturing company for start of mass production. • Small changes may need to be made to the design in order to be manufactured by a specific company. • More testing to sheet metal prototype: accelerated wear and overload testing

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