Evaluation of technology to support safe patient handling and movement
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Evaluation of Technology to Support Safe Patient Handling and Movement. Acknowledgements: Andrea S. Baptiste, MA, CIE John Lloyd, PhD, CPE Audrey Nelson, PhD, RN, FAAN Funded by VISN 8 Patient Safety Center of Inquiry, Tampa, VAMC. What Is a Friction Reducing Device?.

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Evaluation of technology to support safe patient handling and movement l.jpg

Evaluation of Technology to Support Safe Patient Handling and Movement


Andrea S. Baptiste, MA, CIE

John Lloyd, PhD, CPE

Audrey Nelson, PhD, RN, FAAN

Funded by

VISN 8 Patient Safety Center of Inquiry, Tampa, VAMC

What is a friction reducing device l.jpg
What Is a Friction Reducing Device? and Movement

  • Friction reducing devices provide a low cost technology solution for lateral transfers of patients E.g. Bed to stretcher transfers

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Equipment Applications and Movement

  • Nursing home/home care

  • General rehabilitation

  • Acute medical/surgical

  • Or/recovery

  • Spinal cord injury unit

  • Inpatient/outpatient clinic

  • Intensive care unit

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Types of Friction Reducing Devices: and Movement

  • There are 3 types :

    • Air Assisted

    • Lateral sliding aids

    • Mechanical lateral transfer aids

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Air Assisted Lateral Sliding Aids and Movement

  • A flexible mattress placed under patient; inflates by portable air supply.

  • Patient is moved on a cushioned film of air

  • This reduction in friction makes the lateral transfer much easier for the caregiver

  • Cost: $1200-$1600

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An example of an air assisted lateral sliding aid: and Movement

  • A waterproof, anti-bacterial anti-stain, nylon mattress that allows for lateral transfers.

  • Key strength: no weight limit

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Lateral Sliding Aids and Movement

  • Assists with bed to stretcher type transfers-transfer boards or fabric

  • Both devices are positioned under the patient providing a smooth surface to slide the patient

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Example: Lateral Sliding aid and Movement

  • Properly designed handles (fabric) reduce the forward reach as found in draw sheets

  • Cost: $80-$300

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Example: Lateral Sliding Aid and Movement

  • Used for transfers and repositioning patients in bed

  • Main advantages of this device are: portable, easily stored and lightweight (4 lbs)

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Mechanical Lateral Transfer Aids and Movement

  • This eliminates the need to manually slide patients

  • This reduces risk to the caregiver

  • Cost: $1800-$8000

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Example: Mechanical Lateral transfer aid and Movement

  • This device is used in lateral transfers of patients

  • Key advantage: no manual work done to slide patient

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An Evaluation of Technology and Movement

  • The purpose was to evaluate eleven commercially available lateral transfer aids.

  • Transfers were done from a hospital bed to a stretcher.

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Air assisted and Movement:



Lateral Transfer Study

Lateral sliding aids:

  • Slipp patient mover

  • Draw sheet

  • Disposable plastic bag (DPB)

  • Aqua flat sheet set

  • Lateral transfer Aid

  • Resident transfer assist

  • Maxi-slide

  • Maxi-trans

  • Easy transfer system

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Methodology: and Movement

  • Subject:A 200 pound mannequin was used to represent a dependent pt. in all lateral transfers.

  • Equipment:Chatillon force gauge, bed with non-inflating mattress, stretcher trolley.

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Methodology: and Movement

  • Measurement:A simple method was devised to capture maximum external forces applied during the transfer.

  • Results captured:

    • Force Mean results

    • % Population capable

    • Spinal Forces

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Force Mean Results: and Movement

  • Mean applied force was calculated across five trials.

  • Device yielding:

    • lowest mean force was the maxi slide (39.7lbf. or 176.6 N).

    • highest mean force was the draw sheet (145 lbf. or 645 N).

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% Population Capable Results: and Movement

  • 0% population able to sustain forces at the shoulder with a disposable plastic bag (DPB) or draw sheet.

  • > 70% would be able to do the transfer task using Airpal, Hovermatt, Slipp, Lateral transfer aid, Aqua flat sheet set, Resident transit assist and Maxi-Slide.

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Compression: and Movement

highest at L5/S1 with use of Maxi Trans (661lbf.)

lowest with use of aqua flat sheet set (216.9 lbf.)

Anterior/posterior shear forces:

highest with use of DPB (179 lbf)

lowest with use of Maxi Trans (6lbf)

Lateral shear force:

highest with use of lateral transfer aid (6 lbf.)

lowest with use of Aqua flat sheet set

Spinal Force Results:

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Top Five Products: and Movement

  • 1) Lateral transfer Aid

  • 2) Flat sheet set

  • 3) Maxislide

  • 4) Hovermatt

  • 5) Airpal

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Conclusions: and Movement

  • Key factors that affect spinal loading:

    • Caregiver’s stance and posture

    • Friction reducing properties

    • Relative height of transfer surfaces

    • Location of handles on device

    • Angle of pull

    • Extended pull straps and number of straps used

    • Patient mass

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Implications for Clinical Application: and Movement

  • These lateral transfer aids do have limitations-some are n/a for bariatric patients.

  • For patients over 200 lbs, use a mechanical device and two caregivers.

  • Other factors to consider are: storage, infection control, cleaning, ease of use.

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The subjective study and Movement

  • The purpose – to acquire feedback on usability of devices from nurses on the units.

  • Look at results of subjective data and biomechanical data

  • Eight devices were randomly distributed for evaluation

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Equipment Rating Survey and Movement

Product ______ Unit ______

  • How would you rate your OVERALL COMFORT during use of this product?

    0 1 2 3 4 5 6 7 8 9 10

  • What is your impression of this product’s OVERALL EASE-OF-USE?

    0 1 2 3 4 5 6 7 8 9 10

  • How EFFECTIVE do you think this product will be in reducing INJURIES?

    0 1 2 3 4 5 6 7 8 9 10

  • How EFFICIENT do you feel this product will be in use of your TIME?

    0 1 2 3 4 5 6 7 8 9 10

  • How SAFE do you feel this product would be for the PATIENT?

    0 1 2 3 4 5 6 7 8 9 10

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Conclusions and Movement

  • Use of Friction Reducing Devices has proven to be a better choice than using a draw sheet to laterally transfer a patient

  • These low cost devices should reduce risk of injury in healthcare workers