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Introduction to Biomedical Engineering Design

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Introduction to Biomedical Engineering Design Chapter 1 What is Design? Is NOT research or craftsmanship! Involves devices, processes, re-engineering, systems ... – PowerPoint PPT presentation

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Title: Introduction to Biomedical Engineering Design


1
Introduction to Biomedical Engineering Design
  • Chapter 1

2
What is Design?
  • Is NOT research or craftsmanship!
  • Involves devices, processes, re-engineering,
    systems, optimization, regulations, finances,
    innovation, invention, entrepreneurship, etc.

3
Design
  • Verb invent, intend, devise
  • Noun drawing, arrangement, pattern, plan, art of
    making designs

4
For What Uses Might Products be Designed?
5
Basic but Essential Questions
  • Who?
  • What?
  • Where?
  • When?
  • Why?
  • How?

Their Job? Well, yes, but also..
Your Job
6
Flow Diagram
What, Who, Where, When, Why
What, Who, Where, When, Why
What, Who, Where, When, Why, How
How
No
No
Go/ no-go
Yes
How
7
Design National Academy of Science
  • Product refers to hardware, service, or mission.
  • Process refers to the means by which a product is
    manufactured and supported
  • Development refers to the refinement of products
    and processes to correct problems.
    (Re-engineering, sometimes reverse engineering, )

8
Design NAS
  • Mission requirements analysis/Product system
    strategy
  • - high level engineering analysis
  • - requirements definition

9
Design NAS
  • Product specification
  • - product strategy
  • - voice of the customer!!!
  • (QFD, etc.)
  • - environment (EPA) regulatory (FDA!!!)
  • - planned product specification

10
Design NAS
  • Concept development
  • - target setting (cost, schedule, performance,
    etc.)
  • - brainstorming on product process
    alternatives
  • - development of product and process concepts.

11
Design NAS
  • Preliminary Product and/or Process design
  • - high level definition of product and process
    designs
  • - evaluation of same v. targets
  • - high level system trade-offs

12
Design NAS
  • Refinement verification of detail product and
    process designs
  • - development of designs for components,
    subsystems manufacturing
  • - Geometry creation
  • - prediction evaluation of attributes
  • - tracking trade-offs

13
Design NAS
  • System Prototype Development
  • - experimental evaluation of attributes that do
    not meet target values
  • Preparation for production
  • - refine process for manufacture
  • Production, Testing, Certification, Delivery
  • Operation, support, decommissioning, disposal

14
Other Design Concerns
  • Retracing if problem is ill defined
  • Excessive documentation
  • Human patients, animal studies, permissions
  • Design is often iterative
  • Delving into already patented info bases
  • Teamwork, finances, reality
  • Watch Wed PM
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