Print Email Facebook Twitter Redesign of a redressement helmet for non-synostotic deformational plagiocephaly and brachycephaly Title Redesign of a redressement helmet for non-synostotic deformational plagiocephaly and brachycephaly Author Peters, C.E. Contributor Heidweiller, A.J. (mentor) Ruiter, I.A. (mentor) Corbijn, M. (mentor) Faculty Industrial Design Engineering Department Design Engineering Programme Master of Science Integrated Product Design Date 2010-04-29 Abstract Since the early 1990’s parents are advised to let babies sleep on their backs, as part of the ‘Back to sleep’ program in prevention of SIDS (cot death). The program has been successful in decreasing the number of cot deaths, but has lead to an increase of deformational plagiocephaly and brachycephaly (DP). DP is a flattened skull at (one side of) the back of the head, that can develop when babies spend too much time in the same position. It can be treated with helmet therapy. Starting at an age of about 6 months, the baby will wear a redressement helmet 23 hours a day for about six months. The helmet protects the flat spot and leaves free space for the head to grow in the right direction. Some helmets also apply slight pressure to the parts of the skull that have bulged outwards. There are several foam layers inside the helmet that can be removed or made thinner. This allows the helmet to ‘grow’ with the child. Dutch orthopaedic company LIVIT started offering this helmet therapy around 15 years ago and now makes approximately 2000 of these helmets a year. This makes them market leader in the Netherlands. Currently LIVIT offers three slightly different types of helmets, which they want to reduce to one uniform helmet type. The aim is not to choose between the three types, but to design a new helmet that combines the strong points of each model. During the first phase of this project, the current redressement helmets were assessed and the demands and wishes of paediatricians, orthopaedic advisers and parents were explored. Current problems with the helmet are excessive sweating and skin problems, due to pressure or friction spots. The size and weight of the helmet can also be uncomfortable for the children. Parents would benefit from improved looks and ease of use. A problem for LIVIT is the fact that the exact working principle is unclear. The three current helmets all fit differently, but it is difficult to choose how tight the helmet should fit. All these aspects were taken into account during idea generation. Many different solutions were explored, eventually leading to a final concept. The new helmet design has opened up the way for a uniform LIVIT redressement helmet. The following improvements were realized in the new design: Smaller, lighter and cooler Looks better Improved comfort and safety of the chin strap Improved effectivity of the side-cuts The following recommendations can be made for the future: Keep track of therapy results in a 3D database. This is necessary to choose a standard fit and to truely switch to one uniform helmet. The selection process for the extra features should also be standardized. Invest in the acceptance of the new concept within LIVIT. The subject of improvements on the redressement helmet is very much alive within the company. However there is much diversity of opinion. Therefore it is important to build up support from orthopaedic advisers from all LIVIT locations. Look into the possibilities of different production methods. This could result in better quality, faster or cheaper production. It will require additional investments for which a cost-benefit analysis should be made. Subject redesignhelmetplagiocephalybabies To reference this document use: http://resolver.tudelft.nl/uuid:32e0e2de-d69e-449e-86bf-7ecde9a0984d Embargo date 2011-04-29 Access restriction Campus only Part of collection Student theses Document type master thesis Rights (c) 2010 Peters, C.E.