Treatment and rehabilitation after transfemoral amputation represents a challenging medical field, involving intersectoral parties. Although treatment guidelines exists, their implementation is difficult. This study is conducted to evaluate the need to practice these guidelines in order to gain best benefits for the patients. Focus is set of early inpatient rehabilitation and the role of a microprocessor-controlled prothesis (Kenevo, Ottobock).

Start Date05 Jan 2023

Sponsor / Collaborator

Median Co., Ltd.

[+2]

NCT05628064 / Not yet recruitingNot Applicable

Prospective, Feasibility Study to Evaluate Performance, Patient Benefits, and Acceptance of a New 1C70 Energy Storage and Return Prosthetic Foot

The objective of this study is to characterize the extend of 1C70 meeting the amputees needs in comparison with their everyday and a comparator foot, in regards of daily activities, mobility and balance, as well as quality of life and pain.

Start Date21 Nov 2022

Sponsor / Collaborator

Otto Bock Healthcare Products GmbH

[+1]

NCT04784429 / Active, not recruitingNot Applicable

Assessing Outcomes With Microprocessor Knee Utilization in a K2 Population

Two-phased randomized controlled trial comparing the impact of microprocessor controlled knee prostheses (MPK) with the impact of non-microprocessor controlled knee prostheses (NPMK) in patients with a transfemoral/knee disarticulation level amputation categorized as K2 ambulators.

Start Date11 Jun 2021

Sponsor / Collaborator

Otto Bock Healthcare Products GmbH

100 Clinical Results associated with Otto Bock Healthcare Products GmbH

0 Patents (Medical) associated with Otto Bock Healthcare Products GmbH

Literatures (Medical) associated with Otto Bock Healthcare Products GmbH

01 May 2024·IEEE Transactions on Medical Robotics and Bionics

FEEBY: A Flexible Framework for Fast Prototyping and Assessment of Vibrotactile Feedback for Hand Prostheses

Author: Stanisic, Darko ; Jorgovanovic, Nikola ; Gasparic, Filip ; Maravic, Nikolina ; Hofer, Christian ; Koppe, Mario ; Gonzalez-Vargas, Jose ; Dosen, Strahinja ; Russold, Michael

01 Jan 2023·IEEE Transactions on Neural Systems and Rehabilitation Engineering

A Novel Sensory Feedback Approach to Facilitate Both Predictive and Corrective Control of Grasping Force in Myoelectric Prostheses

Article

Author: Stanisic, Darko ; Dosen, Strahinja ; Jorgovanovic, Nikola ; Koppe, Mario ; Russold, Michael F. ; Gasparic, Filip ; Hofer, Christian

Reliable force control is especially important when using myoelectric upper-limb prostheses as the force defines whether an object will be firmly grasped, damaged, or dropped. It is known from human motor control that the grasping of non-disabled subjects is based on a combination of anticipation and feedback correction. Inspired by this insight, the present study proposes a novel approach to provide artificial sensory feedback to the user of a myoelectric prosthesis using vibrotactile stimulation to facilitate both predictive and corrective processes characteristic of grasping in non-disabled people. Specifically, the level of EMG was conveyed to the subjects while closing the prosthesis (predictive strategy), whereas the actual grasping force was transmitted when the prosthesis closed (corrective strategy). To investigate if this combined EMG and force feedback is indeed an effective method to explicitly close the control loop, 16 non-disabled and 3 transradial amputee subjects performed a set of functional tasks, inspired by the "Box and Block" test, with six target force levels, in three conditions: no feedback, only EMG feedback, and combined feedback. The highest overall performance in non-disabled subjects was obtained with combined feedback (79.6±9.9%), whereas the lowest was achieved with no feedback (53±11.5%). The combined feedback, however, increased the task completion time compared to the other two conditions. A similar trend was obtained also in three amputee subjects. The results, therefore, indicate that the feedback inspired by human motor control is indeed an effective approach to improve prosthesis grasping in realistic conditions when other sources of feedback (vision and audition) are not blocked.

20 Nov 2022·Disability and RehabilitationQ2 · MEDICINE

The effect of microprocessor controlled exo-prosthetic knees on limited community ambulators: systematic review and meta-analysis

Q2 · MEDICINE

Review

Author: Kannenberg, Andreas ; Bueschges, Simon ; Hahn, Andreas ; Prager, Melanie

PURPOSEThe clinical benefits of microprocessor-controlled prosthetic knees (MPKs) in community ambulators have been well-established. A systematic review in limited community ambulators published in 2014 found benefits in safety, performance-based, and patient-reported outcomes. This work updates the previous analysis to the current state of the published evidence.METHODSSystematic review and meta-analysis of the effect of MPKs in limited community ambulators.RESULTSThirteen research projects presented in 15 publications were identified. Overall validity was "high" in nine studies, "moderate" in three, and "low" in one. The literature described a total of 2366 patients, with 704 classified as limited community ambulators. The use of MPKs in limited community ambulators led to a reduction in falls (SMD g: -0.59; 95% confidence interval (CI) [-0.85, -0.32; I²=0%]), fear of falling (SMD g: 1.2; 95%CI [0.55, 1.85; I²=80%]), risk of falling as indicated by the TUG (SMD g: -0.45, 95%CI [-0.87, -0.02; I²=0%]), an improvement in mobility grade (0.51; 95%CI [0.47,0.55]), self-selected walking speed (SMD g: 0.47; 95%CI [0.14,0.81; I²=0%]), and patient-reported ambulation (MD 9.32; 95%CI [3.61, 15.02; I²=7%]), and utility (MD 7.76; 95%CI [2.05-13.47; I²=0%]). Other outcomes exhibited trends in favor of MPK use or remained insensitive. No outcome was identified favoring non-MPKs.CONCLUSIONSThese results suggest that MPKs may be considered a valuable therapeutic option in limited community ambulators with a transfemoral amputation.Implications for rehabilitationAbove knee amputees may be treated with a large variety of artificial exo-prosthetic knee components.Microprocessor-controlled prosthetic knees have proven to be advantageous and cost effective for community ambulators.The current analysis shows similar effects in safety, mobility, and patient perception also for limited community ambulators.Microprocessor-controlled prosthetic knees are a viable therapeutic option for limited community ambulators.

100 Deals associated with Otto Bock Healthcare Products GmbH

100 Translational Medicine associated with Otto Bock Healthcare Products GmbH

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