| abstract |
The present invention relates to fluid pump or rotating knife that one has at least one first element (9 " ', 10 " '), this first element (9 " ', 10 " ') enters mode of operation by changing at least one engineering properties from travel position.This pump can be, such as, blood pump in medical treatment, Wicresoft field.Use means of the present invention, can realize as far as possible cosily realizing the object of travel position to the transformation of mode of operation, like this, make corresponding apparatus, particularly the design of pump freely and large as much as possible, and wherein the first element comprises material (24,25,26,27) or can packing material or material blends, this material or material blends after chemical reaction at least partly, particularly crosslinked or crystallization, for being converted to mode of operation. |