Laser-Produced Porous Surface

3:

• The orthopedic implant of claim 2, wherein the first structure includes pores having a pore size that exceeds 80 μm in diameter.

4:

• The orthopedic implant of claim 3, wherein the pores of the first structure have a maximum pore size that is less than 800 μm in diameter.

5:

• The orthopedic implant of claim 3, wherein the second structure includes pores having a pore size that exceeds 80 μm in diameter, and wherein the pores of the first and the second structures have a maximum pore size that is less than 400 μm in diameter.

6:

• The orthopedic implant of claim 2, wherein the cells of the first structure have an irregular shape.

7:

• The orthopedic implant of claim 2, wherein the intermediate structure is directly attached to the first and the second structures.

8:

• The orthopedic implant of claim 2, wherein the intermediate structure is substantially solid.

9:

• The orthopedic implant of claim 2, further comprising an opening passing through a thickness of the implant, the opening having a diameter substantially larger than a diameter of pores of the first and the second structures.

10:

• The orthopedic implant of claim 2, wherein the first structure includes a plurality of pores and surrounds a first hole larger than each of the plurality of pores of the first structure, and wherein the first hole extends through a thickness of the first structure.

11:

• The orthopedic implant of claim 10, wherein the second structure includes a plurality of pores and surrounds a second hole larger than each of the plurality of pores of the second structure, and wherein the second hole extends through a thickness of the first structure.

12:

• The orthopedic implant of claim 2, wherein the first structure includes a plurality of pores that correspond to a computer-aided design model.

13:

• The orthopedic implant of claim 2, wherein the first structure has a graded porosity.

14:

• The orthopedic implant of claim 2, wherein the shape of at least some of the cells vary from the shape of other ones of the cells.

15:

• The orthopedic implant of claim 2, where the cells are tessellated unit cells.

16:

• The orthopedic implant of claim 15, wherein the unit cells are in the shape of a tetrahedron, dodecahedron or octahedron.

17:

• The orthopedic implant of claim 2, wherein the first structure, the second structure, and the intermediate structure are integrated.

19:

• The orthopedic implant of claim 18, wherein the first structure includes pores having a pore size that exceeds 80 μm in diameter.

20:

• The orthopedic implant of claim 19, wherein the pores of the first structure have a maximum pore size that is less than 800 μm in diameter.

21:

• The orthopedic implant of claim 20, wherein the second structure includes pores having a pore size that exceeds 80 μm in diameter, and wherein the pores of the first and the second structures have a maximum pore size that is less than 400 μm in diameter.

23:

• The orthopedic implant of claim 22, wherein the first structure includes pores having a diameter between 80 μm and 800 μm.