Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees

Michael J McNicholas,1 Stefan M Gabriel,2 Anton G Clifford,2 Evelyne M Hasler2 1Aintree University Hospital, Teaching Hospital, Major Trauma Centre, NHS Foundation Trust, Liverpool, UK; 2Moximed, Hayward, CA, USA Introduction: The KineSpring implant system has been shown to provide load reductions...

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Autores principales:	McNicholas MJ, Gabriel SM, Clifford AG, Hasler EM
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2015
Materias:	Medical technology R855-855.5
Acceso en línea:	https://doaj.org/article/18ce1bf4453549bf9a95abe235769aab
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spelling	oai:doaj.org-article:18ce1bf4453549bf9a95abe235769aab2021-12-02T00:09:31ZDevice-length changes and implant function following surgical implantation of the KineSpring in cadaver knees1179-1470https://doaj.org/article/18ce1bf4453549bf9a95abe235769aab2015-01-01T00:00:00Zhttp://www.dovepress.com/device-length-changes-and-implant-function-following-surgical-implanta-peer-reviewed-article-MDERhttps://doaj.org/toc/1179-1470 Michael J McNicholas,1 Stefan M Gabriel,2 Anton G Clifford,2 Evelyne M Hasler2 1Aintree University Hospital, Teaching Hospital, Major Trauma Centre, NHS Foundation Trust, Liverpool, UK; 2Moximed, Hayward, CA, USA Introduction: The KineSpring implant system has been shown to provide load reductions at the medial compartment of the knee, and has demonstrated clinical success in reducing pain and increasing function in patients with medial knee osteoarthritis. These results depend on the ability of the KineSpring to rotate, lengthen, and shorten to accommodate knee motions, and in response to knee position and loading. Purpose: The present study was undertaken to determine length changes of the implanted KineSpring in response to a range of knee positions, external knee loads, and placements by different orthopedic surgeons. Materials and methods: KineSpring system components were implanted in ten cadaver leg specimens by ten orthopedic surgeons, and absorber-length changes were measured under combined loading and in different positions of the knee. Results and conclusion: Spring compression consistent with knee-load reduction, and device lengthening and shortening to accommodate knee loads and motions were seen. These confirm the functionality of the KineSpring when implanted medially to the knee. Keywords: KineSpring, knee, function, preservation, offloading, osteoarthritisMcNicholas MJGabriel SMClifford AGHasler EMDove Medical PressarticleMedical technologyR855-855.5ENMedical Devices: Evidence and Research, Vol 2015, Iss default, Pp 47-56 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medical technology R855-855.5
spellingShingle	Medical technology R855-855.5 McNicholas MJ Gabriel SM Clifford AG Hasler EM Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
description	Michael J McNicholas,1 Stefan M Gabriel,2 Anton G Clifford,2 Evelyne M Hasler2 1Aintree University Hospital, Teaching Hospital, Major Trauma Centre, NHS Foundation Trust, Liverpool, UK; 2Moximed, Hayward, CA, USA Introduction: The KineSpring implant system has been shown to provide load reductions at the medial compartment of the knee, and has demonstrated clinical success in reducing pain and increasing function in patients with medial knee osteoarthritis. These results depend on the ability of the KineSpring to rotate, lengthen, and shorten to accommodate knee motions, and in response to knee position and loading. Purpose: The present study was undertaken to determine length changes of the implanted KineSpring in response to a range of knee positions, external knee loads, and placements by different orthopedic surgeons. Materials and methods: KineSpring system components were implanted in ten cadaver leg specimens by ten orthopedic surgeons, and absorber-length changes were measured under combined loading and in different positions of the knee. Results and conclusion: Spring compression consistent with knee-load reduction, and device lengthening and shortening to accommodate knee loads and motions were seen. These confirm the functionality of the KineSpring when implanted medially to the knee. Keywords: KineSpring, knee, function, preservation, offloading, osteoarthritis
format	article
author	McNicholas MJ Gabriel SM Clifford AG Hasler EM
author_facet	McNicholas MJ Gabriel SM Clifford AG Hasler EM
author_sort	McNicholas MJ
title	Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
title_short	Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
title_full	Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
title_fullStr	Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
title_full_unstemmed	Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees
title_sort	device-length changes and implant function following surgical implantation of the kinespring in cadaver knees
publisher	Dove Medical Press
publishDate	2015
url	https://doaj.org/article/18ce1bf4453549bf9a95abe235769aab
work_keys_str_mv	AT mcnicholasmj devicelengthchangesandimplantfunctionfollowingsurgicalimplantationofthekinespringincadaverknees AT gabrielsm devicelengthchangesandimplantfunctionfollowingsurgicalimplantationofthekinespringincadaverknees AT cliffordag devicelengthchangesandimplantfunctionfollowingsurgicalimplantationofthekinespringincadaverknees AT haslerem devicelengthchangesandimplantfunctionfollowingsurgicalimplantationofthekinespringincadaverknees
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Device-length changes and implant function following surgical implantation of the KineSpring in cadaver knees

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