1. A surgical implant with a surface base structure (2； 12； 22； 35； 52； 62； 72) equipped with pores (4； 14； 24； 34； 40； 54； 64； 74), in which at least one the protrusion (6； 16, 17； 26； 36, 37； 44； 56； 66； 76, 77) extends into at least one of the pores, the protrusion extending at an angle (α) of a maximum of 40 ° from the plane formed by the surface base structure in the local area of the protrusion. 2. The implant according to claim 1, characterized in that the maximum value of the angle (α) is set equal to one of the values contained in the following list: 38 °, 36 °, 34 °, 32 °, 30 °, 28 °, 26 °, 24 ° , 22 °, 20 °, 18 °, 16 °, 14 °, 12 °, 10 °, 8 °, 6 °, 4 °, 2 °. 3. The implant according to claim 1, characterized in that at least one protrusion (6； 16, 17； 26； 36, 37； 44； 56； 66； 76, 77) lies in the area formed by the base structure (2； 12； 22； 35； 52； 62； 72) .4. The implant according to any one of paragraphs. 1-3, characterized in that at least one protrusion (6； 16, 17； 26； 36, 37； 44； 56； 66； 76, 77) is made of a base structure material (2； 12； 22； 35； 52； 62； 72) and starts from the edge of the pore (4； 14； 24； 34； 40； 54； 64； 74) .5. The implant according to claim 4, characterized in that in the base structure (62) opposite the place where at least one protrusion (66) starts from the edge of the pore (64), there is a recess (67), which is preferably made as part of the pore adjacent to the time. 6. The implant according to claim 1, characterized in that the pore size (4； 14； 24； 34； 40； 54； 64； 74) is at least 1 mm. The implant according to claim 1, characterized in that at least one protrusion (6； 16, 17； 26； 36, 37； 44； 56； 66) has a length that is at least half the size of the pores (4； 14； 24； 34； 40； 54； 64) .8. An implant according to claim 1, characterized in that the length of at least one protrusion (6； 16, 17； 26； 36, 37； 44； 56； 66； 76, 77) is at least 1 mm. The implant according to claim 1, characterized in that at least one protrusion (6； 16,
