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Convertible Crutches

Team Blitzkrieg

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Team Members

  1. Karthik Muthukumar 4) Janessa Hui Mann Teng
  2. Chow Kin Long 5) Mijuwaadh Majid
  3. Ezilaan Irraivan

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Background of Crutches

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Challenges with Existing Crutches

Source: https://www.youtube.com/watch?v=RUAq7bgkyvw

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Business Value

Graph of forecasted results for knee and hip surgeries

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Research Results

Survey conducted in 2020

Table describing injuries on the human body

Table describing the costs of injuries

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Methodology Map

Identify the challenges of the existing product

Brainstorming and Suggesting Improvements

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Designing and Simulating in CATIA

Improving Design in CATIA

Final Design in CATIA

Research and Gather

Information about Business Value

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Goals

  • Eliminate skin irritation and muscle atrophy
  • Smoothen movement
  • Reduce impact of the body
  • Provide freedom to carry out daily tasks
  • Prevent tripping of the crutch
  • Prevent the induction of lack of desire to walk

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Proposed Design

Upper part

Lower �part

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Movable parts of the crutch

Height extendable

Footpad

Thigh / Arm pad

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Adjusting mechanism and safety features

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Proposed Design of Crutch Tip

Crutch Tip

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  • Carbon fiber
  • Good Elastic Behaviour
  • Reduce Energy Intake
  • Stand on its own

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Max Weight Support

Weight of the crutch = 1.8kg

Weight Capacity = 100kg

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Evolution of Design

First Draft

Second Draft

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Evolution of Design

Final Design

Human Leg Ankle

Second Draft

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Estimated Cost

Part

Price

Unit

Aluminium

$1.24/kg

(1.8kg) $2.32

Carbon Fibre Spring Leaf

$0.40/Piece

(1 Piece) $0.40

Pad (Plastic)

$0.27/Litre

(2.5 Litre) $0.68

Estimate Cost: $3.4

: RM14.50/UNIT