Koninklijke Philips Corporation N.v.

Pascal Yves Francois Cathier, I

Raoul Florent

Olivier Pierre Nempont

The invention relates to a cavity determination apparatus for determining a cavity within an object, in particular, for determining the location and dimensions of a heart chamber within a person without use of electrode contact information. A bendable segment of an introduction element is arranged within the cavity in different arrangements, wherein curves defined by the bendable segment in the different arrangements are determined by a curve determination unit. A cavity reconstruction unit reconstructs the cavity based on the determined curves. Thus, not only single locations within the cavity are acquired and used for reconstructing the cavity, but larger curves. A considerable amount of spatial information can therefore be acquired and used very rapidly. This allows reconstructing the cavity with improved quality in a relatively short time.

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Asnières-sur-Seine, France

Pascal Yves Francois Cathier, I