place in other extraction methods both the anchor and the deflector may be removed as a single piece or as separate pieces fig5 and related figures of the 39 110 application illustrate embodiments of individual tubular deflector elements that may be inserted and mounted within the entrances to the arch vessels e g brachiocephalic carotid extending from the aortic arch each of the disclosed tubular elements includes a blood flow entrance and a blood flow exit end the exit end of each tube extends within the respective arch vessel while the entrance end extends within the aorta a bend in the tube locates the entrance end a suitable or desired distance downstream in the aorta such that particles will tend to be deflected by the tubular member and continue within the blood flow as opposed to reversing direction and entering the entrance end of one of the tubes fig8 a through 8d illustrate alternative shapes to the tubes shown in the 39 110 application which may be made of silicone or other polymeric material anchored within the arch vessel in these embodiments the deflector element includes a first portion 30 of tubing shown as generally vertical in the drawings that defines the blood flow exit 32 which is anchored within an arch vessel and a second portion 34 of tubing extending laterally from the first portion and shown as generally horizontal in the drawings which defines the blood flow entrance 36 which is disposed in the aortic arch fig8 a and 8b illustrate embodiments in which the second portion 34 has a length that is equal in length or longer than the length of the first portion.