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拥抱增材制造：对足踝矫形器设计的影响。

Embracing additive manufacture: implications for foot and ankle orthosis design.

机构信息

School of Health and Life Sciences, Glasgow Caledonian University, Cowcaddens Road, Glasgow, UK.

出版信息

BMC Musculoskelet Disord. 2012 May 29;13:84. doi: 10.1186/1471-2474-13-84.

DOI:10.1186/1471-2474-13-84
PMID:22642941
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3502337/
Abstract

BACKGROUND

The design of foot and ankle orthoses is currently limited by the methods used to fabricate the devices, particularly in terms of geometric freedom and potential to include innovative new features. Additive manufacturing (AM) technologies, where objects are constructed via a series of sub-millimetre layers of a substrate material, may present the opportunity to overcome these limitations and allow novel devices to be produced that are highly personalised for the individual, both in terms of fit and functionality.Two novel devices, a foot orthosis (FO) designed to include adjustable elements to relieve pressure at the metatarsal heads, and an ankle foot orthosis (AFO) designed to have adjustable stiffness levels in the sagittal plane, were developed and fabricated using AM. The devices were then tested on a healthy participant to determine if the intended biomechanical modes of action were achieved.

RESULTS

The adjustable, pressure relieving FO was found to be able to significantly reduce pressure under the targeted metatarsal heads. The AFO was shown to have distinct effects on ankle kinematics which could be varied by adjusting the stiffness level of the device.

CONCLUSIONS

The results presented here demonstrate the potential design freedom made available by AM, and suggest that it may allow novel personalised orthotic devices to be produced which are beyond the current state of the art.

摘要

背景

目前，足部和踝关节矫形器的设计受到制造设备的方法的限制，特别是在几何自由度和包含创新新功能的潜力方面。增材制造 (AM) 技术通过一系列亚毫米基板材料的层来构建物体，可能提供克服这些限制的机会，并允许生产出高度个性化的新型设备，无论是在适配性还是功能方面。设计了两种新型设备，一种是足部矫形器 (FO)，旨在包括可调节元件以缓解跖骨头的压力，另一种是踝足矫形器 (AFO)，旨在在矢状面具有可调节的刚度水平，均使用 AM 进行开发和制造。然后在健康参与者身上对这些设备进行了测试，以确定是否实现了预期的生物力学作用模式。

结果

可调节的、减压 FO 被发现能够显著降低目标跖骨头下的压力。AFO 对踝关节运动学产生了明显的影响，通过调整设备的刚度水平可以改变这些影响。

结论

这里呈现的结果展示了 AM 提供的潜在设计自由度，并表明它可能允许生产出超越当前技术水平的新型个性化矫形设备。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/b90abdee46e7/1471-2474-13-84-7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/f95fa17dc29e/1471-2474-13-84-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/d37a126c62c7/1471-2474-13-84-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/21e09b05ad96/1471-2474-13-84-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/8028f149a0b3/1471-2474-13-84-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/42a2daff1762/1471-2474-13-84-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/31e707084adb/1471-2474-13-84-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/b90abdee46e7/1471-2474-13-84-7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/f95fa17dc29e/1471-2474-13-84-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/d37a126c62c7/1471-2474-13-84-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/21e09b05ad96/1471-2474-13-84-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/8028f149a0b3/1471-2474-13-84-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/42a2daff1762/1471-2474-13-84-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/31e707084adb/1471-2474-13-84-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2859/3502337/b90abdee46e7/1471-2474-13-84-7.jpg

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