公开(公告)号：US20160045957A1

公开(公告)日：2016-02-18

申请号：US14926747

申请日：2015-10-29

Applicant: Howmedica Osteonics Corp.

Inventor： John Lapszynski ,  Robert W. Klein ,  Michael A. DeLuise

IPC: B22F3/11 ,  B22F3/24 ,  B22F1/00

CPC classification number: B22F3/11 ,  A61F2/30771 ,  A61F2/3094 ,  A61F2/34 ,  A61F2/36 ,  A61F2/3859 ,  A61F2/389 ,  A61F2/4455 ,  A61F2002/30013 ,  A61F2002/30957 ,  A61F2002/30968 ,  A61F2250/0024 ,  A61F2310/00017 ,  A61F2310/00023 ,  A61F2310/00029 ,  B22F1/0059 ,  B22F3/24 ,  B22F2001/0066 ,  B22F2998/10 ,  Y10T428/12028 ,  B22F1/0096 ,  B22F3/04 ,  B22F3/225 ,  B22F3/02

Abstract: In one embodiment, the present invention may be a method of forming a porous and/or dense article from metal powder, including adding to a mold a first feedstock comprising an agglomerated metal powder and an agglomeration agent; forming said first feedstock into a green state dense article; and removing said agglomeration agent. Furthermore, the present invention may include a second feedstock including an agglomerated metal powder, a space filling material and an agglomeration agent which may be formed into a green state porous article. The present invention also includes a dense and/or porous article manufactured by various methods, as well as methods for creating the dense and porous feedstocks. Moreover, the present invention may include an article which may be a medical implant.

Abstract translation: 在一个实施方案中，本发明可以是从金属粉末形成多孔和/或致密制品的方法，包括向模具中加入包含附聚金属粉末和附聚剂的第一原料; 将所述第一原料形成绿色致密制品; 并除去所述附聚剂。 此外，本发明可以包括第二原料，其包括可以形成绿色多孔制品的附聚金属粉末，空间填充材料和附聚剂。 本发明还包括通过各种方法制造的致密和/或多孔制品，以及用于产生致密和多孔原料的方法。 此外，本发明可以包括可以是医疗植入物的物品。

公开(公告)号：US20230364307A1

公开(公告)日：2023-11-16

申请号：US18195705

申请日：2023-05-10

Applicant: Howmedica Osteonics Corp.

Inventor： Michael A. DeLuise ,  David William Heard ,  Soniya Patel ,  Zz Mae Haggerty

IPC: A61L27/56 ,  G06F30/10 ,  B33Y70/10 ,  B33Y80/00

CPC classification number: A61L27/56 ,  B33Y70/10 ,  B33Y80/00 ,  G06F30/10

Abstract: At least a portion of an object such as a medical implant is fabricated by a process. In the process, a porous structure, a solid structure, and an interface region directly attached to each of the porous structure and the solid structure are produced by an additive manufacturing machine using a stored output file configured for providing instructions to the additive manufacturing machine for fabricating the porous structure, the solid structure, and the interface region. The stored output file is prepared by preparing a computer-generated component file including a porous CAD volume and a solid CAD volume. Digitized radii are added to digitized struts defining digitized pores in an interface volume of porous CAD volume to mitigate stress concentrations that would otherwise result in sharp corners or notches in the fabricated object.