iv tubing organizer blake hondl, amit mehta, ryan pope, kristen sipsma, april zehm, katie zenker bme...
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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 200/300October 10, 2003October 10, 2003
Client:Client:Dr. Tim Corden, M.DDr. Tim Corden, M.D
Medical Director, Pediatric Critical Care UnitMedical Director, Pediatric Critical Care UnitUW Children's HospitalUW Children's Hospital
Advisor:Advisor:Professor Willis TompkinsProfessor Willis Tompkins
Department of Biomedical EngineeringDepartment 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 The goal of this project is to create an IV tubing organizer to prevent an IV tubing organizer to prevent entanglement of several IV lines, entanglement of several IV lines, while maintaining the functionality of while maintaining the functionality of an IV tube. an IV tube.
Background InformationBackground Information
Pediatric PatientsPediatric Patients– Critical CareCritical Care– Multiple IV linesMultiple IV lines– Confusion and entanglement of linesConfusion and entanglement of lines– Stationary vs. TransportStationary vs. Transport– Places Patient at RiskPlaces Patient at Risk
Design ConstraintsDesign Constraints
Safe for patientSafe for patient Does not occlude IV line Does 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 No mechanical devicedevice
IV tubing wound IV tubing wound around a cylindrical around a cylindrical rodrod
Held in place by Held in place by restricting barrestricting bar
Give-and-take Give-and-take relationshiprelationship
InefficientInefficient
Design #2: Dual Gears with Design #2: Dual Gears with CrankCrank
Two large toothed Two large toothed gears in contact gears in contact anotheranother
Powered by manual Powered by manual crankcrank
Temporary storage Temporary storage compartmentcompartment
Mechanism of Mechanism of physically guiding physically guiding the tubingthe tubing
Lack of organizationLack of organization
Design #3: Reel with CrankDesign #3: Reel with Crank
Similar to garden Similar to garden hose reelhose reel
IV tubing reeled IV tubing reeled around grooves in around grooves in the diskthe disk
One end is fixed One end is fixed and other is mobileand other is mobile
Chosen Design AdvantagesChosen Design Advantages
Total control over amount of IV line Total control over amount of IV line necessarynecessary
Reduced patient injuryReduced patient injury– Fixed end directed toward patientFixed end directed toward patient
Adjustable end towards syringe Adjustable end towards syringe pumppump– Moves with patient transportMoves with patient transport– Minimize clutterMinimize clutter
Device PlacementDevice Placement
Bed sideBed side– Clamped to railingsClamped to railings– Efficient for Efficient for
transporttransport
http://www.strykercorp.com/products/beds.htm
Potential ProblemsPotential Problems
Clamp has to be non-magneticClamp has to be non-magnetic– Interference with MRIInterference with MRI
Fixed endFixed end– Long enough to anticipate patient Long enough to anticipate patient
movementmovement Only addresses a single lineOnly addresses a single line
– Multiple devices needed for multiple Multiple devices needed for multiple lineslines
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-Retractable Auto-Retractable Hose ReelHose Reel
Good PointsGood Points– Tube well containedTube well contained– Exposed length Exposed length
controlledcontrolled Bad PointsBad Points
– Special FittingsSpecial Fittings– Difficult Tube ChangeDifficult Tube Change– Uncontrolled RecoilUncontrolled Recoil
Exploded Hose ReelExploded Hose Reel
http://airhosereels.com
Auto-Retractable Auto-Retractable Channel HolderChannel Holder
Similar to an Arrow Similar to an Arrow QuiverQuiver
Foam Rubber HoldersFoam Rubber Holders Hard Plastic ShellHard Plastic Shell
Good PointsGood Points– Easy Tube ChangeEasy Tube Change– Multiple TubesMultiple Tubes– Labeling systemLabeling system
Bad PointsBad Points– Tube Less ContainedTube Less Contained– Metal in Retractable Metal in Retractable
ReelReel
Auto-Retractable Auto-Retractable Line HolderLine Holder
Manual-RetractableManual-RetractableLine HolderLine Holder
Good PointsGood Points– Easy Tube ChangeEasy Tube Change– Multiple TubesMultiple Tubes– Labeling systemLabeling system– Special FishingSpecial Fishing
Reel FeaturesReel Features Bad PointsBad Points
– Tube Less Tube Less ContainedContained
Proposed SolutionProposed Solution
Manually RetractableManually Retractable Line HolderLine Holder– Quick to prototypeQuick to prototype– Cheap, by using existing technologiesCheap, by using existing technologies– Fulfills Special Requirements of ClientFulfills 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, Remove cover, wind tubing around wind tubing around central core, central core, replace coverreplace cover
Lengths variable Lengths variable on both sideson both sides
Simple to useSimple to use Time consuming to Time consuming to
operateoperate
to patientfrom pump
core
SIDE VIEW
Cover
Base
TOP VIEW
Design 2: Spring Loaded Tubing Design 2: Spring Loaded Tubing RetractorRetractor
Cover is removed, Cover is removed, tubing is attached tubing is attached to springto spring
Automatic Automatic retractionretraction
Safety lockSafety lock More complicatedMore complicated Increased tension Increased tension
on tubingon tubing
lock
to patient
Connection between tubing and spring
spring (underneath
the plate)
IV tubing channel
TOP VIEW—Level #1
from pump
TOP VIEW—Level #2
to patient
from pump
IV tubing channel
spring (underneath
the plate)
lock
Connection between tubing and spring
plate
Design 3: Spindle With Hand Design 3: Spindle With Hand CrankCrank
Tubing slides Tubing slides through notch to through notch to corecore
Hand crank winds Hand crank winds tubing to desired tubing to desired lengthlength
Hand crank is Hand crank is folded down folded down
Lengths variable Lengths variable on both endson both ends
Easy to operateEasy to operate
side piece
core
notch—tubing goes to patient (on back side)
notch—tubing is from pump (on back side)
FRONT VIEW
hand crank
1”
SIDE VIEW
core
notch—tubing goes to patient (on back side)
hand crank3”
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 tubeOnly organizes one IV tube– Requires plastic moldingRequires plastic molding
Future WorkFuture Work
Group meeting with 3 design Group meeting with 3 design proposalsproposals
Discuss options with clientDiscuss options with client Choose final designChoose final design Acquire materials and build Acquire materials and build
prototypeprototype Present prototype to clientPresent prototype to client
Questions?Questions?