A new approach for the pistoning measurement in transtibial prosthesis

Gholizadeh, Hossein; Osman, Noor Azuan Abu; Lúvíksdóttir, Ása Gulaug; Eshraghi, Arezoo; Kamyab, Mojtaba; Abas, Wan Abu Bakar Wan

doi:10.1177/0309364611423130

Cited by 31 publications

(51 citation statements)

References 23 publications

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“…Comparing our results with those of Gholizadeh et al using the same PT methodology, we found that the displacement observed in the 0 N and 30 N condition with a shuttle lock system (10 ± 9.2 mm and 14 mm, respectively) was more than that obtained in our study with the SSS (7.5 ± 4.7 mm and 12.4 ± 5.6 mm). 12 Klute et al 13 reported similar results in pin lock suspension pistoning at 0 N (6 ± 4 mm). To our knowledge, there are no studies comparing ECW with two different suspension systems in the recent literature.…”

Section: Discussionmentioning

confidence: 69%

“…The importance of a proper suspension system to guarantee amputees' comfort and prosthetic function has been widely indicated in the literature, and vertical displacement or pistoning within the socket has been suggested to be one of the main indicators of suspension system efficacy in lower-limb prostheses. 1,4,12,14,30 We found a Table 3. TUGT, HSQ, and LCI results (mean ± SD).…”

Section: Discussionmentioning

confidence: 81%

“…We calculated the displacements (in mm) of the markers located on the greater trochanter (GT), proximal lateral end of the liner (PL), proximal lateral end of the socket (PS), and distal end of the socket (DS), as in the procedure described by Gholizadeh et al 12 To minimize measurement errors, we calculated the means of the following displacements in each measure: GT-PS, GT-DS, and PL-DS. The amount of displacement from the baseline identifies the pistoning movement: lesser the displacement, lesser is the pistoning.…”

Section: Ptmentioning

confidence: 99%

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A comparison between the suction suspension system and the hypobaric Iceross Seal-In® X5 in transtibial amputees

Brunelli

Delussu

Paradisi

et al. 2013

Prosthetics &Amp; Orthotics International

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Background: The two passive vacuum suspension systems currently available in total surface-bearing sockets are the hypobaric Iceross Seal-In ® and the suction suspension system. Objectives: The purpose of this study was to compare the effect of the hypobaric Iceross Seal-In ® liner with that of the suction suspension system for quality of life, pistoning, and prosthesis efficiency in unilateral transtibial amputees. Study design: Single-group repeated measures. Methods: Ten amputees were enrolled. The pistoning test, used to compare vertical movement of the stump within the socket, and the energy cost of walking test were carried out when the amputees were wearing the suction suspension system and after 2, 5, and 7 weeks of Seal-In ® X5 use. The Prosthesis Evaluation Questionnaire and the Houghton Scale Questionnaire of perceived mobility and quality of life with the prosthesis, and the Timed Up&Go Test and the Locomotor Capability Index for functional mobility were also administered at the beginning and end of the study. Results: The hypobaric Iceross Seal-In ® X5 led to significant pistoning reduction and improvement on the Houghton Scale Questionnaire and 3 of 9 domains of the Prosthesis Evaluation Questionnaire. No statistical changes were observed in functional mobility or the energy cost of walking tests. Conclusion: Replacing the suction suspension system with the hypobaric Iceross Seal-In ® X5 improves quality of life in transtibial amputees. Clinical relevanceThe main indicator of suspension system efficiency in lower-limb prostheses is pistoning in the socket. Reduced pistoning of the hypobaric Iceross Seal-In ® X5 may contribute to amputees' rehabilitation.

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Section: Discussionmentioning

confidence: 69%

Section: Discussionmentioning

confidence: 81%

Section: Ptmentioning

confidence: 99%

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A comparison between the suction suspension system and the hypobaric Iceross Seal-In® X5 in transtibial amputees

Brunelli

Delussu

Paradisi

et al. 2013

Prosthetics &Amp; Orthotics International

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“…32 Recently, a simple photographic method has been reported 29,36-37 and finally, Gholizadeh et al 38 used Vicon motion analysis system to evaluate pistoning in transtibial amputees. The literature review revealed that the majority of researchers measured the displacement between the bone and the socket, the liner and socket or the soft tissue, by using different techniques in static position 19,29,32,[34][35][36][37][38]53,55 or during dynamic tasks 33,35,54,[60][61] to check pistoning inside the socket. Therefore, the methods available were classified according to whether they utilized static or dynamic pistoning.…”

Section: Pistoning Measurement Methodsmentioning

confidence: 99%

“…36 Another study using same photographic methodology revealed that adding loads to the prosthesis caused less pistoning between Seal-In ® X5 liner and the socket (2 mm) compared with Dermo ® liner (4 mm). 29 Gholizadeh et al 38 compared the pistoning between two different transtibial liners (Seal-In ® X5 and Dermo ® liner) and the socket through the use of a motion analysis system. The analysis of the data showed the maximum amount of pistoning within the socket occurred after 90 N was added to the prosthetic limb.…”

Section: Amount Of Pistoningmentioning

confidence: 99%

Pistoning assessment in lower limb prosthetic sockets

Eshraghi

Osman²,

Gholizadeh³

et al. 2012

Prosthetics &Amp; Orthotics International

Self Cite

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Background: One of the main indicators of the suspension system efficiency in lower limb prostheses is vertical displacement or pistoning within the socket. Decreasing pistoning and introducing an effective system for evaluating pistoning could contribute to the amputees’ rehabilitation process.Objectives: The main objective of this study was to review existing research studies that examine the occurrence of pistoning in lower limb prosthesis with different techniques in static (standing) and dynamic (walking and jumping) positions.Study Design: Literature review.Methods: Keywords related to slippage, suspension, pistoning and vertical movement in lower limb prosthetics were used to search the literature available in PubMed, ScienceDirect, Web of Science and Google Scholar databases. Sixteen articles were selected for further analysis according to the selection criteria.Results: The following methods have been used to measure the occurrence of pistoning in prosthetic limbs: radiological methods, photographic technique, motion analysis system, sensor and spiral computerized tomography (CT). Pistoning was measured both in standing and walking.Conclusions: The results of this review reveal that further research is needed to develop and evaluate easy, accurate and safe methods of measuring pistoning. Future studies should provide a gold standard for the acceptable range of pistoning in a prosthetic socket.Clinical relevanceThis literature review contributes to a further understanding of lower limb prosthetic biomechanics by highlighting the strengths and weaknesses of the techniques that are currently available for evaluating the occurrence of pistoning in a prosthetic socket. It provides a useful overview of the current methods of measuring residual limb movements relative to the socket and liner, and will be of use for both practitioners and researchers in prosthetics and orthotics fields.

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The relationship between residual limb health, motion within the socket, and prosthetic suspension

Baumann

Price

Brousseau

et al. 2022

PM&R

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Residual limb health is critical for continued prosthesis use; however, many prosthesis users experience skin‐related breakdown. The interface between the residual limb and the prosthetic socket sets the local mechanical environment and plays a role in skin stresses. Motion of the residual limb in the socket adds additional mechanical strain on the limb. This article explores the relationship between motion of the limb in the socket and residual limb health. We evaluated current methods for assessing residual limb health and motion of the residual limb in the socket and compared these evaluations across different prosthetic suspension systems. While few direct studies comparing residual limb health and motion exist, it has been shown that elevated vacuum suspension systems result in both improved residual limb health compared to passive suction and pin‐lock systems and decreased motion compared to passive suction, pin‐lock, knee sleeve, and anatomical suspension systems. While motion and health have not been directly linked, elevated vacuum suspension may demonstrate a relationship that reduced motion of the residual limb in the socket improves residual limb health. Further evaluation in this area is necessary to more completely and directly understand the relationship between residual limb motion and residual limb health.

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A new approach for the pistoning measurement in transtibial prosthesis

Cited by 31 publications

References 23 publications

A comparison between the suction suspension system and the hypobaric Iceross Seal-In® X5 in transtibial amputees

A comparison between the suction suspension system and the hypobaric Iceross Seal-In® X5 in transtibial amputees

Pistoning assessment in lower limb prosthetic sockets

The relationship between residual limb health, motion within the socket, and prosthetic suspension

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