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Monkey Restraint Device. Department of Biomedical Engineering UW-Madison. Monkey Restraint Group. Group: Kelly Toy Kawai Chan Brian Frederick Miguel Benson Ross Gerber Aman Ghotra Client: B’Ann Gablet, MS Advisor: Willis Tompkins, PhD. Problem Statement.

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Monkey restraint device

Monkey Restraint Device

Department of Biomedical Engineering


Monkey restraint group
Monkey Restraint Group

Group: Kelly Toy Kawai Chan

Brian Frederick Miguel Benson

Ross Gerber

Aman Ghotra

Client: B’Ann Gablet, MS

Advisor: Willis Tompkins, PhD

Problem statement
Problem Statement

  • To modify an existing monkey restraint device in order to effectively restrain a monkey’s head for topical eye-drop administration.

Background information
Background Information

  • 50 years of non-human primate studies

  • Rhesus are 95% genetically similar to humans

  • B’Ann Gabelt performs glaucoma research on rhesus monkey

  • Current restraint was made by Midwest Regional Primate Research Center

Background material restraint procedure
Background MaterialRestraint Procedure

  • Monkeys transported via transport cages (A)

  • Monkeys are pushed into treatment cage (B)

  • Restraint swings to vertical position



Background material restraint process
Background MaterialRestraint Process

Open treatment cage

Closed treatment cage

Product design specifications client needs
Product Design SpecificationsClient Needs

  • Restrain head of monkey

  • Compatible with existing restraint

  • Work with various sized monkeys

  • Not harm the monkey

Product design specifications group specs
Product Design SpecificationsGroup Specs

  • Extremely durable

  • Operable by one person

  • Easily sanitized

  • Fits under protocol

Design 1
Design #1

  • Durable plastic, set across bars of cage

  • Chin restraint

  • Able to slide up to chin

  • Locked in place by a fastener

  • Monkey able to cover eyes, grab

Design 2
Design #2

  • Wide winged plastic sheet

  • Hole for monkey’s head

  • Keeps monkey’s hands below sheet

  • Locks onto bars of cage

  • Allows chin ducking

Design 3
Design #3

  • Wide winged plastic sheet

  • Chin restraint that slides to monkey

  • Prevents monkey from using arms

  • Compatibility with all sized monkeys?

Group 2 s designs ross gerber and aman ghotra
Group 2’s DesignsRoss Gerber and Aman Ghotra

  • U-Cup with Pin

  • Chin Strap

  • Headband Strap Restraint

U cup pin
U-Cup Pin

  • Different pin settings

  • Comfortable chin post

  • Attach at back of cage and swivels

Chin strap
Chin Strap

  • Like football chin strap

  • Flexible durable material

  • Secures to back of cage

Headband restraint
Headband Restraint

  • Fits around head and down around the chin

  • Straps on top act like zip ties

  • Monkey’s own movements tighten device

Group 3 s designs kawai and miguel s designs
Group 3’s DesignsKawai and Miguel’s Designs

  • 1. Flatboard Design

  • 2. Stick and Clamp Design

  • 3. Velcro Design

Flatboard design
Flatboard Design

View from the top

Stick and clamp design
Stick and Clamp Design

  • Component:

    1. Stick

    2. Clamps

    3. Headrest

Velcro design
Velcro Design

  • Components:

    1. Headrest

    2. Two Velcro Stripes

Final decision
Final Decision

  • Velcro Design

  • Easy to make, components can be purchased separately