| 摘要 |
A method for determining a size grid, the method comprising following steps: a) determination of N morphological parameters, N being ≧2; b) acquisition of a set of values of the parameters for a sample of a targeted population of individuals, each individual being associated with an individual point supplying, for each parameter, a value of the parameter; c) independently of steps a) and b), determination of rate of coverage of sample to be covered by the grid; d) determination of a set of coverage zones, each coverage zone being a set of individual points relating to a set of individuals for which a same orthesis according to the model is adapted and thus corresponding to a size adapted to set of individuals; the number of coverage zones being determined such that percentage of individual points included in at least one coverage zone is ≧the desired coverage rate. |
| 主权项 |
1. Method for determining a size grid for an elastic vein compression orthesis model, said method comprising the following steps:
a) determination of N morphological parameters, N being greater than or equal to 2; b) acquisition of a set of values of said parameters for a sample of a targeted population of individuals, each individual of the sample being associated with an individual point supplying, for each parameter, a value of said parameter; c) independently of the steps a) and b), determination of a rate of coverage of said sample to be covered by said grid, or desired “coverage rate”, the desired coverage rate determining the percentage of the individuals of the sample for which at least one size of the model will be able to be appropriate; d) determination of a set of coverage zones, each coverage zone being a set of individual points relating to a set of individuals for which a same orthesis according to said model is adapted and thus corresponding to a size adapted to said set of individuals; the number of coverage zones being determined so that the percentage of individual points included in at least one coverage zone is greater than or equal to said desired coverage rate, the set of sizes corresponding to said coverage zones defining said size grid, the step d) comprising the following steps: d1) for a first of said parameters p1, subdivision into “first fractions” of a “first segment” representing all the values of the first parameter between the minimum and maximum bounds of the first parameter, said minimum and maximum bounds being determined such that said first segment covers more than 80% of the number of individuals of the sample; d2) successively, for each nth parameter pn, from the second parameter to the last parameter PN, for each (n−1)th fraction, subdivision into nth fractions of an nth segment representing all the values of the nth parameter lying between the minimum and maximum bounds, said minimum and maximum bounds being determined such that said nth segment covers more than 80% of the number of individuals of the (n−1)th fraction considered; said segments being subdivided so as to define, after the processing of the last parameter, a set of coverage zones together covering a percentage of the population of the sample greater than or equal to the desired coverage rate, each coverage zone consisting of a set of points each defined by N coordinates, all the ith coordinates of the points of a same coverage zone belonging to a same ith fraction, the width of an nth fraction being less than or equal to the maximum variation amplitude of the values of the nth parameter considering any orthesis according to said model, and greater than 0.8 times said amplitude. |
