The Science


The People Mover

The Science behind our perfect safety record

Why we get hurt lifting:

  1. Unfamiliar lifting positions (fall victims, overreaching, twisting motions)
  2. Inefficient or physiologically unstable form (back lifting, overreaching, poor footing)
  3. Shifting loads/ Unexpected movements (inadequate/loose equipment, adipose tissue, patient “panicking or helping”, loss of balance.)
  4. Loss of focus on form (too many variables/ overly complex lifting task)
  5. Poor conditioning (load too heavy for personnel)
  6. Inadequate training on safe lifting practices and procedures or equipment
  7. Repetitive/ cumulative sub-traumatic injury (small or undetectable strains from poor lifting form that micro-damage caregiver.)

Physics based design adaptations/ considerations

Why does the People Mover work so well? Elimination of Unexpected Variables

The vast majority of lifting injuries occur from unexpected variables or events during the patient lifting/movement process. The People Mover’s primary conceptual basis is the elimination or reduction in the number and severity of unexpected variables during the lifting/movement process by using a physics-based approach. Eliminate most of the variables, and you eliminate most of the injuries.

Design adaptations: Elimination of variables in lifting challenges

The basic concept is to reduce or remove some of the variables (“moving targets”) in patient lifting that cause lifting injuries. A large majority of patient lifting injuries occur due to unexpected or exaggerated load shifting during the lifting/ movement process. The addition of each variable greatly increases the level of difficulty and risk of a lift. The more “moving targets”, the easier it is to lose focus on proper lifting form or procedures. Like driving- while listening to the radio, texting, drinking a coke, chewing gum and chatting with a friend.

Lifting variables include- large patient size, heavy patient weight, low density adipose tissue causing load shifting, Lack of appropriate tension/fitment in lifting adjunct before or during movement, unexpected directional movements by the patient, slow “reaction time” by caregivers with patient movement corrections, poorly designed or makeshift lifting adjuncts, unusual or physiologically unsound lifting positions.

The familiarity of motion:

Promote natural and familiar patient and caregiver movement patterns during the lifting process.

Natural caregiver lifting positions and motions to maintain optimum lifting form allows increased application of force with superior control and finesse. Patient comfort and perceived security reduces the occurrence of rapid, fear driven movements by the patient.

Team of Two Concept- How many people can you effectively coordinate with? Movement assistance is based off of the patient’s lead, so that each caregiver involved is working off a “one to one” lifting relationship with the patient instead of attempting to coordinate with each of the other “lifters” simultaneously. Each assistant prioritizes their lead from a single central source (the patient) instead of trying to match all of the other people involved simultaneously. This is exactly what happens when you carry a patient instead of ambulating. Attempting to coordinate with and adjust for all the others “lifters” is an extremely high-risk activity.

Physics-based adaptations for bariatric patient challenges

  1. Wide device body
    1. Structure of the belt is designed to spread the force of the lift over a greater surface area to reduce “cutting in” and discomfort for patients. This also eliminates the chances of torn skin, fractured ribs, separated shoulders, etc.
    2. People Mover stays where you put it on the patient, due in part to the increased patient contact area. Slack from “cutting in” is the primary cause of adjunct movement in other devices.
    3. Minimizes reaction time of corrections to provide superior patient control during lifting and ambulation process.
    4. Excellent upper torso contact and control in belt configuration to eliminate potential patient inversion.
  1. Plurality of handles
    1. Placement of handles at convenient and functionally efficient locations enables excellent lifting form
    2. Orientation of handles and large design allows use as a lifting sling as well.
    3. Lifting points close to caregiver’s body and between the knees and the waist, maximizes leg usage while lifting while minimizing shoulder girdle involvement,
  2. Design versatility and size
    1. Use in nearly all lifting situations (gait belt and sling) promotes consistent use by personnel. One tool for nearly all lifting needs. People Mover is taken in by personnel instead of being left in the storage area.
    2. Appropriate in 90 percent of lifting situations- 23- 100 inch girth and 90-600 lbs
    3. Small size and weight ensures convenient storage/ transport on equipment and into patient area.
    4. Compact design allows device application in confined area
    5. Ease of use and care promote voluntary use by personnel.
    6. Rugged construction ensures versatility of application without fear of device failure.
  3. Adjustable waist belt
    1. Eliminates the need to manually hold the device tight and in place.
    2. Allows for proper fitment to a very wide range of patient body types and sizes.
    3. The harness configuration adapts for “nonstandard” body types- pyramid or pear shapes, soft body composition, etc., so there is no reliance on the shoulder girdle for lifting.
    4. Allows the patient to be secured to the device in sling configuration for superior patient control and safety.
    5. Automatically adjusts for patient physiology changes upon standing in the belt with harness configuration.