Rogers P D, Gibson C, Wilcox S J, Chong A
University of Glamorgan, Department of Engineering, Wales, UK.
J Med Eng Technol. 2009;33(8):642-9. doi: 10.3109/03091900903151004.
The crashworthiness of occupied proprietary wheelchairs, which are transported in motor vehicles, is currently assessed by physical crash testing in accordance with ISO 7176-19. If such wheelchairs are modified to meet the needs of the occupant, e.g. the addition of special seating, environmental control systems or life support equipment, then those making the modifications take on the manufacturer's responsibilities, one of these being the assessment of the modified wheelchair's ability to withstand vehicle crash forces. Destructively testing bespoke wheelchair designs is not practical so, currently, the transport-related risk is assessed using best engineering judgement. To improve this process virtual crash testing of the wheelchair and occupant was used. A modified crash criteria from ISO 7176-19 is proposed to enable assessment of the wheelchair's crashworthiness and provide the clinical engineer with an informed judgement of how both wheelchair alone and occupant and wheelchair together will behave in a crash.
在机动车中运输的自有占用型轮椅的防撞性能，目前是根据ISO 7176-19通过物理碰撞测试进行评估的。如果对这类轮椅进行改装以满足乘坐者的需求，例如添加特殊座椅、环境控制系统或生命支持设备，那么进行改装的人员将承担制造商的责任，其中之一就是评估改装后轮椅承受车辆碰撞力的能力。对定制轮椅设计进行破坏性测试并不实际，因此目前使用最佳工程判断来评估与运输相关的风险。为改进这一过程，采用了轮椅和乘坐者的虚拟碰撞测试。提出了对ISO 7176-19的碰撞标准进行修改，以便能够评估轮椅的防撞性能，并为临床工程师提供关于单独轮椅以及乘坐者与轮椅一起在碰撞中表现的明智判断。
