IV Tubing OrganizerIV Tubing Organizer
Blake Hondl, Amit Mehta,Blake Hondl, Amit Mehta,
Ryan Pope, Kristen Sipsma,Ryan Pope, Kristen Sipsma,
April Zehm, Katie ZenkerApril Zehm, Katie Zenker
BME 200/300BME 200/300
October 10, 2003October 10, 2003
Client:Dr. Tim Corden, M.DMedical Director, Pediatric Critical Care UnitUW Children's HospitalAdvisor:Professor Willis TompkinsDepartment of Biomedical EngineeringClient:Dr. Tim Corden, M.DMedical Director, Pediatric Critical Care UnitUW Children's HospitalAdvisor:Professor Willis TompkinsDepartment of Biomedical Engineering
OverviewOverview
Problem StatementProblem Statement
BackgroundBackground
Design ConstraintsDesign Constraints
Design AlternativesDesign Alternatives
Proposed DesignProposed Design
Potential ProblemsPotential Problems
QuestionsQuestions
Problem StatementProblem Statement
The goal of this project is to create an IVtubing organizer to prevent entanglementof several IV lines, while maintaining thefunctionality of an IV tube.The goal of this project is to create an IVtubing organizer to prevent entanglementof several IV lines, while maintaining thefunctionality of an IV tube.
Background InformationBackground Information
Pediatric PatientsPediatric Patients
–Critical Care–Critical Care
–Multiple IV lines–Multiple IV lines
–Confusion and entanglement of lines–Confusion and entanglement of lines
–Stationary vs. Transport–Stationary vs. Transport
–Places Patient at Risk–Places Patient at Risk
Design ConstraintsDesign Constraints
Safe for patientSafe for patient
Does not occlude IV lineDoes not occlude IV line
Lightweight and inexpensiveLightweight and inexpensive
Disposable, but reloadableDisposable, but reloadable
Need not be sterileNeed not be sterile
Non-magnetic materialsNon-magnetic materials
User friendlyUser friendly
Ideal: two-sided length adjustmentIdeal: two-sided length adjustment
Design AlternativesDesign Alternatives
Spool DesignSpool Design
Dual Gears with Crank DesignDual Gears with Crank Design
Reel with Crank DesignReel with Crank Design
Design #1: Spool DesignDesign #1: Spool Design
No mechanical deviceNo mechanical device
IV tubing woundaround a cylindricalrodIV tubing woundaround a cylindricalrod
Held in place byrestricting barHeld in place byrestricting bar
Give-and-takerelationshipGive-and-takerelationship
InefficientInefficient
Design #2: Dual Gears with CrankDesign #2: Dual Gears with Crank
Two large toothedgears in contactanotherTwo large toothedgears in contactanother
Powered by manualcrankPowered by manualcrank
Temporary storagecompartmentTemporary storagecompartment
Mechanism ofphysically guiding thetubingMechanism ofphysically guiding thetubing
Lack of organizationLack of organization
Design #3: Reel with CrankDesign #3: Reel with Crank
Similar to gardenhose reelSimilar to gardenhose reel
IV tubing reeledaround grooves in thediskIV tubing reeledaround grooves in thedisk
One end is fixed andother is mobileOne end is fixed andother is mobile
Chosen Design AdvantagesChosen Design Advantages
Total control over amount of IV linenecessaryTotal control over amount of IV linenecessary
Reduced patient injuryReduced patient injury
–Fixed end directed toward patient–Fixed end directed toward patient
Adjustable end towards syringe pumpAdjustable end towards syringe pump
–Moves with patient transport–Moves with patient transport
–Minimize clutter–Minimize clutter
Device PlacementDevice Placement
Bed sideBed side
–Clamped to railings–Clamped to railings
–Efficient for transport–Efficient for transport
http://www.strykercorp.com/products/beds.htm
Potential ProblemsPotential Problems
Clamp has to be non-magneticClamp has to be non-magnetic
–Interference with MRI–Interference with MRI
Fixed endFixed end
–Long enough to anticipate patient movement–Long enough to anticipate patient movement
Only addresses a single lineOnly addresses a single line
–Multiple devices needed for multiple lines–Multiple devices needed for multiple lines
Design PossibilitiesDesign Possibilities
Auto-Retractable Hose ReelAuto-Retractable Hose Reel
Auto-Retractable Line HolderAuto-Retractable Line Holder
Manual-Retractable Line HolderManual-Retractable Line Holder
Auto-RetractableHose ReelAuto-RetractableHose Reel
Good PointsGood Points
–Tube well contained–Tube well contained
–Exposed length controlled–Exposed length controlled
Bad PointsBad Points
–Special Fittings–Special Fittings
–Difficult Tube Change–Difficult Tube Change
–Uncontrolled Recoil–Uncontrolled Recoil
Exploded Hose ReelExploded Hose Reel
http://airhosereels.com
Auto-RetractableChannel HolderAuto-RetractableChannel Holder
Similar to an Arrow QuiverSimilar to an Arrow Quiver
Foam Rubber HoldersFoam Rubber Holders
Hard Plastic ShellHard Plastic Shell
Good PointsGood Points
–Easy Tube Change–Easy Tube Change
–Multiple Tubes–Multiple Tubes
–Labeling system–Labeling system
Bad PointsBad Points
–Tube Less Contained–Tube Less Contained
–Metal in Retractable Reel–Metal in Retractable Reel
Auto-RetractableLine HolderAuto-RetractableLine Holder
Manual-RetractableLine HolderManual-RetractableLine Holder
Good PointsGood Points
–Easy Tube Change–Easy Tube Change
–Multiple Tubes–Multiple Tubes
–Labeling system–Labeling system
–Special FishingReel Features–Special FishingReel Features
Bad PointsBad Points
–Tube Less Contained–Tube Less Contained
Proposed SolutionProposed Solution
Manually RetractableLine HolderManually RetractableLine Holder
–Quick to prototype–Quick to prototype
–Cheap, by using existing technologies–Cheap, by using existing technologies
–Fulfills Special Requirements of Client–Fulfills Special Requirements of Client
Easy Tube ChangesEasy Tube Changes
Tube Labeling SystemTube Labeling System
Design OptionsDesign Options
Coiled ContainerCoiled Container
Spring Loaded Tubing RetractorSpring Loaded Tubing Retractor
Spindle With Hand CrankSpindle With Hand Crank
Design 1: Coiled ContainerDesign 1: Coiled Container
Remove cover, windtubing around centralcore, replace coverRemove cover, windtubing around centralcore, replace cover
Lengths variable onboth sidesLengths variable onboth sides
Simple to useSimple to use
Time consuming tooperateTime consuming tooperate
to patient
from pump
core
SIDE VIEW
Cover
Base
TOP VIEW
Design 2: Spring Loaded Tubing RetractorDesign 2: Spring Loaded Tubing Retractor
Cover is removed,tubing is attached tospringCover is removed,tubing is attached tospring
Automatic retractionAutomatic retraction
Safety lockSafety lock
More complicatedMore complicated
Increased tension ontubingIncreased tension ontubing
lock
to patient
Connection betweentubing and spring
spring(underneaththe plate)
IV tubingchannel
TOP VIEW—Level #1
from pump
TOP VIEW—Level #2
to patient
from pump
IV tubingchannel
spring(underneaththe plate)
lock
Connection betweentubing and spring
plate
Design 3: Spindle With Hand CrankDesign 3: Spindle With Hand Crank
Tubing slides throughnotch to coreTubing slides throughnotch to core
Hand crank windstubing to desiredlengthHand crank windstubing to desiredlength
Hand crank is foldeddownHand crank is foldeddown
Lengths variable onboth endsLengths variable onboth ends
Easy to operateEasy to operate
sidepiece
core
notch—tubinggoes to patient(on back side)
notch—tubingis from pump(on back side)
FRONT VIEW
hand crank
1”
SIDE VIEW
core
notch—tubinggoes to patient(on back side)
hand crank
3”
Proposed Solution: Design 3Proposed Solution: Design 3
Safety—no applied tensionSafety—no applied tension
Efficient—no cover to removeEfficient—no cover to remove
Little training requiredLittle training required
Mechanically simpleMechanically simple
DurableDurable
Potential Problems:Potential Problems:
–Only organizes one IV tube–Only organizes one IV tube
–Requires plastic molding–Requires plastic molding
Future WorkFuture Work
Group meeting with 3 design proposalsGroup meeting with 3 design proposals
Discuss options with clientDiscuss options with client
Choose final designChoose final design
Acquire materials and build prototypeAcquire materials and build prototype
Present prototype to clientPresent prototype to client
Questions?Questions?
