Penn Medicine Rittenhouse
Philadelphia, Pennsylvania, 19146, United States
NCT Number: NCT02886936
iFIT Prosthetics, LLC® created and commercialized a modular, immediate fit, fully adjustable, prosthetic system suitable for mass production using high strength injection molded polymer materials. The aim of this project is to assess the design, user satisfaction and feasibility of this device. The investigators will be fitting transtibial and transfemoral amputees with the iFIT prosthetic system. Patients will wear the device for 2 weeks in order to compare the device to their own prosthetic (if they currently have one). They will report any device breakages or adverse events. They will also fill out a questionnaire to determine if the iFIT prosthetic is a feasible option for treating patients with limb loss.
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Notify Me18 year and older
All sexes
Interventional
Not applicable
Philadelphia, Pennsylvania, 19146, United States
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Transtibial amputee volunteers will be fit with the iFIT device and instructed on its use. Patient will wear the iFIT device for a two week time period according to a provided wear schedule. At the end of this time patient will rate it for comfort, stability and ease of use.
Transfemoral amputee volunteers will be fit with the iFIT device and instructed on its use. Patient will wear the iFIT device for a two week time period according to a provided wear schedule. At the end of this time patient will rate it for comfort, stability and ease of use.
Time frame: 2 weeks
This questionnaire is based off of the Prosthetic Evaluation Questionnaire; it involves questions taken from the original that focus on comfort, satisfaction and utility of a prosthetic socket. We used numeric values from 1 (Poor) through 5 (Excellent) for evaluation.
This version featured seven questions for a total of 35 points possible and the lowest score being 7 (higher scores are better). Scores are reported as total with standard deviations.
Time frame: 2 weeks
This questionnaire is based off of the Prosthetic Evaluation Questionnaire; it involves questions taken from the original that focus on comfort, satisfaction and utility of a prosthetic socket. We used numeric values from 1 (Poor) through 5 (Excellent) for evaluation.
This version features fourteen questions for a total of 70 points total, with the lowest score being 14. Higher scores are better. Scores are reported as total with standard deviations.
Time frame: 2 weeks
This questionnaire is based off of the Prosthetic Evaluation Questionnaire; it involves questions taken from the original that focus on comfort, satisfaction and utility of a prosthetic socket. We used numeric values from 1 (Poor) through 5 (Excellent) for evaluation.
This version features ten questions for a total of 50 points possible, with the lowest score being 10. Higher scores are better. Scores are reported as total with standard deviations.
Time frame: 2 weeks
We will record any unfavorable events such that occur including: skin irritation, skin breakdown, falls, or mechanical failures.
Time frame: two weeks
Gait speed is the time one takes to walk a specified distance on level surfaces over a short distance.
Time frame: Two weeks
Fujifilm prescale was placed on five specific places on the outside of the participant's liner. They then ambulated for two minutes. The paper was removed and average pressure was recorded. This was completed for both sockets.
Time frame: 2 weeks
Double support is the amount of time that both feet are touching the ground during walking. A faster gait will correlate with lower values since less time is spent with both feet on the ground; consequently, a slower gait will yield higher values.
Time frame: 2 weeks
Limp index is a temporal parameter used in gait analysis to describe symmetry when walking. For a symmetric walk, the limp index is exactly one; values significantly higher or lower than 1 denote greater asymmetry. It is calculated by using the total support (single + double) for the current foot divided by the total support for the opposite foot.
Time frame: 2 weeks
Stride length is the distance between successive points of initial contact of the same foot. Right and left stride lengths are normally equal.
Time frame: 2 weeks
Begins when the foot first touches the ground and ends when the same foot leaves the ground. Expressed as a percentage of the total gait cycle.
Time frame: Same Day
The subject's residual limb was measured at the proximal 1/3, midpoint and distal 1/3 while wearing their liner and on skin. This was compared to their internal socket circumference.
University of Pennsylvania
Other
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View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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