VENTETE - Novel collapsible cycle helmet with multi-density structural system, aiming to prevent traumatic brain injury and increase portability

空气质量、碳排放、健康、福祉和道路拥堵是英国社会面临的严重问题，而积极出行（即步行和骑自行车）是改善这些问题的关键DfT策略。法定的DfT自行车和步行投资战略承诺在两年内为基础设施和积极的旅行项目提供212亿英镑，目标是到2025年将短途旅行的自行车增加一倍。尽管骑自行车被证明对健康有益，但骑自行车的人是道路使用者中最脆弱的，2020年英国的数据显示，在道路上有141人死亡，16294人重伤，每十亿英里的死亡率和受伤率分别为28和3240，而汽车的死亡率和受伤率分别为3和307。瑞典的数据显示，头部和颅骨创伤占所有严重自行车损伤的26%，严重损伤的比例为42%。帝国理工学院的研究表明，目前的头盔测试标准是有限的，因为他们只考虑线性冲击，而不考虑导致创伤性脑损伤（TBI）的旋转冲击。英国头盔的使用率通常只有20%。通常不戴头盔的实际原因包括旅行之间的运输和储存，特别是通勤时，不舒服，即太热或太冷，不舒服或太重。显然需要一种自行车安全帽，可以在使用之间紧凑地存储。我们的解决方案是VENTETE，这是一种轻型充气结构系统的自行车头盔，当放气时，它的体积只有原来的1/10，与传统头盔相比，它提供了更好的冷却效果。BSI测试数据表明，VENTETE超过了目前的标准，在线性冲击方面是同类中最好的。Imperial的工作表明，现有的VENTETE概念在旋转冲击载荷下也表现出色。VENTETE、Adreco和帝国理工学院之间的这个合作项目的目标是在VENTETE概念的基础上，开发一种在旋转冲击测试中表现出色的一流设计。它将在1-2年内达到或超过ISO正在讨论引入的预期附加标准。

Air quality, carbon emissions, health, wellbeing, and road congestion are serious issues facing British society and active travel i.e., walking and cycling is a key DfT strategy to improve them all. The statutory DfT Cycling and Walking Investment Strategy has £21.2bn over 2 years pledged for infrastructure and active travel projects with the ambition to double cycling for short journeys by 2025\. Although cycling has proven health benefits, cyclists are the most vulnerable of road users and in 2020 UK data shows 141 were killed and 16,294 seriously injured on the roads with fatality and injury rates per billion miles of 28 and 3240 respectively compared to 3 and 307 for cars. Swedish data shows that head and skull trauma account for 26% of all serious cycling injuries with a 42% rate of severe impairment. Work at Imperial shows that current helmet test standards are limited as they only consider linear impacts and not rotational impacts shown to contribute towards traumatic brain injuries (TBI).UK Helmet usage rates are typically only 20%. Practical reasons commonly cited for not wearing helmets include carriage and storage between journeys particularly when commuting, discomfort i.e., too hot, or cold, uncomfortable, or heavy. There is a clear need for a cycling safety helmet that can be stored compactly between uses. Our solution is VENTETE, a cycle helmet with a lightweight inflatable structural system that when deflated occupies 1/10 of its original volume and provides superior cooling compared to conventional helmets. BSI test data shows that VENTETE exceeds current standards and is best-in-class for linear impacts. Work at Imperial shows the existing VENTETE concept also performs highly under rotational impact loads.The objective of this collaborative project between VENTETE, Adreco and Imperial College is to build upon the VENTETE concept and develop a class leading design that will perform exceptionally in rotational impact tests. It will meet or exceed the anticipated additional standard under discussion by ISO for introduction in 1-2 years' time.