exemplary apparatus and method can be provided for obtaining data for at least one portion within at least one luminal or hollow sample . it is possible , e . g ., using a first optical arrangement , to transceive at least one electromagnetic radiation to and from the portion . further , it is possible , e . g ., to actuate an expandable second basket arrangement so as to position the first arrangement at a predetermined location within the luminal or hollow sample . the second arrangement can have at least one prong or strip that has a flat shape on at least one side thereof .