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Appendix A: Project Definition

Project Name: Scissor Stopper
Client: Jenny Sampras, Shirley Ryan Ability Lab
Team members: James, Serena, Spencer, Hanna
Date: Feb 14th, 2022

Problem Statement/Need Statement

People with scissoring gait need a method to stop their scissoring in order to help them walk independently. 

Project Deliverables

  • Different iterations of prototypes

  • Final report

  • Presentation and poster

  • Final prototype

Constaints

  • $100

  • Due date

Users and Stakeholders

User List

  • Stroke patients

  • People with brain trauma (TBI)

  • Physical therapists (in testing our product)

Stakeholder List

  • Physical therapists

  • Patient families

  • Caretakers

  • Rehabilitation centers 

  • Hospitals

  • Physical therapy device manufacturers

  • Medical device companies

User(s) Profile

Users are adults 30-80 affected by stroke and brain injuries causing short term limited coordination. They struggle to walk independently and require physical therapy and physical barriers to prevent their scissor gait.

Illustrative User Scenario

Figure 4: Dimensions of clamp

The user in the illustrative scenario below is fictional, but based on our knowledge of the biomechanics of scissoring gait and the effects it has on the people experiencing it. The user is a patient at Shirley Ryan AbilityLab who recently experienced a stroke that caused their scissoring gait.

John wakes up in the morning in his in-house dorm at Shirley Ryan AbilityLab, the sun shining through a crack in the blinds. Today would be his second day at the physical therapy center on his path to recovery and independence. He reaches for his walker as his caretaker comes in to greet him and help him downstairs to eat. The AbilityLab is accessible for him, given it is built for people trying to recover from injury like him, but his scissor gait still causes him difficulty on previously simple tasks, like going to get breakfast. Once he is ready, his caretaker helps him get to the physical therapist helping him today. He will be working on the treadmill this morning, walking slowly but surely, keeping his feet on their respective sides as he places each foot on the color his physical therapist told him to. They continue to work together, although John frequently gets frustrated, mad at himself for struggling on tasks that he would do subconsciously prior to his stroke. After a long hard day, working with several different devices and tracks, he breaks for the day to recover, as the physical therapy is taxing on his mind and body.

Project Requirements

Table 1 shows the project requirements and the specifications that our client gave us.

Table 1

Table 1: Project requirements and specifications

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