초록

A composite material for positioning in the anatomy to form a selected function therein. The composite may be resorbable over a selected period of time. The composite may allow for selected bone ingrowth as absorption of the composite occurs.

대표청구항 ▼

1. A resorbable implant, comprising: a single member comprising a continuous formation, comprising a plurality of continuous channels forming a first and second sub-plurality of a plurality of pores of a porous first material resorbable into an anatomy at a first rate to allow bone ingrowth; anda se

1. A resorbable implant, comprising: a single member comprising a continuous formation, comprising a plurality of continuous channels forming a first and second sub-plurality of a plurality of pores of a porous first material resorbable into an anatomy at a first rate to allow bone ingrowth; anda second material that is a resorbable polymer for resorbing into an anatomy at a second rate less than the first rate to support the bone ingrowth such that the resorbable polymer defines a support for the bone ingrowth to maintain a selected strength of the member for a predetermined time period; wherein the first material and the second material are distinct and separately combined into the single member by positioning the second material within a structure of the formation of the first material, so as to substantially fill at least the first sub-plurality of the plurality of pores of the porous material. 2. The resorbable implant of claim 1, wherein the first sub-plurality of the plurality of pores has a macroporosity of a first average size that is larger than the second sub-plurality of the plurality of pores having a microporosity. 3. The resorbable implant of claim 1, wherein the member is a composite comprising a porous matrix formed with the first material comprising an absorbable ceramic and the second material comprising a polymer injected into the first sub-plurality of pores in the porous matrix; wherein the second sub-plurality of pores allows fluids to flow into an interior of the member. 4. The resorbable implant of claim 3, wherein the porous matrix comprises a structure of calcium carbonate defining the plurality of pores; wherein inner walls of the first sub-plurality of pores and the second sub-plurality of pores are substantially coated with a hydroxyapatite. 5. The resorbable implant of claim 3, wherein the second sub-plurality of pores includes an average pore size of less than about 1 μm; wherein the fluids flow through the second sub-plurality of pores to allow a degradation of the composite when in an anatomy. 6. The resorbable implant of claim 1, wherein the second material comprises a polymer chosen from polylactic acid, polyglycolic acid, and combinations thereof. 7. The resorbable implant of claim 1, wherein the continuous channels extend from a first surface of the structure to a second surface of the structure. 8. The resorbable implant of claim 1, wherein the second material is about 55 wt % to about 65 wt % of the single member. 9. A single member resorbable implant, comprising: a continuous formation of a first material resorbable into an anatomy at a first rate to allow bone ingrowth, wherein the first material has a first plurality of channels having a first average size and a second plurality of channels having a second average size that is smaller than the first average size; anda second material that is a resorbable polymer for resorbing into an anatomy at a second rate less than the first rate to support the bone ingrowth such that the resorbable polymer defines a support for the bone ingrowth to maintain a selected strength of the member for a predetermined time period; wherein the first material and the second material are distinct and separately combined into the single member by positioning the second material within a structure of the formation of the first material. 10. The single member resorbable implant of claim 9, wherein the second material is positioned in the first plurality of channels. 11. The single member resorbable implant of claim 9, wherein the second plurality of channels remain open. 12. The single member resorbable implant of claim 9, wherein the second material is about 55 wt % to about 65 wt % of the single member. 13. The single member resorbable implant of claim 9, wherein the second average size of the second plurality of channels is about 0.01 μm to about 1 μm. 14. The single member resorbable implant of claim 9, wherein the second material is a polymer chosen from polylactic acid, polyglycolic acid, and combinations thereof.