have been pierced the sutures 4 or 34 consequently run from outside the vein through a suture hole in the vein into the interior of the vein from there into the interior of the artery and out again through a hole pierced in the wall of the artery fig1 c and in a section from it fig1 d show an alternative to the table stand 30 here the needle holder 32 with the needles 37 is attached to a handle 40 where the handle ends in a tip over which the vein can be pulled in a suitable way installation aids or insertion aids as described above can be attached here fig1 shows the drawing in fig1 b in enlarged form the sutures are shown in two examples 4 a 4 b or 34 a 34 b respectively otherwise the drawings correspond to the illustrations in fig4 or 12 respectively fig1 shows the illustration with the divided seat 3 a 3 b or 33 a 33 b respectively pulled back where again only two sutures 4 a 34 a or 4 b 34 b respectively are shown as examples otherwise the illustration in fig1 corresponds to the illustrations from fig7 and fig1 fig1 shows a cradle 31 for the split needle seat from fig1 this cradle 41 has slit like openings 42 the distance between which matches the distance between the sutures which come from the divided seats 3 a 3 b or 33 a 33 b respectively fig1 shows how one seat 33 b is placed into the cradle 41 the slit like openings 42 here are designated by the reference numbers 42 a through 42 e where only.