Patent US5147402A successfully refreshed from Google Patents.
US5147402A
Expired / Lapsed
US
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Implant for ingrowth of osseous tissue
Assignee: Zimmer GmbH
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Filing: 1991-10-30
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Granted: 1992-09-15
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Expires: 2011-10-30
Abstract
Abstract An implant for ingrowth of osseous tissue is constructed of a hollow skeletal three-dimensional support member having a plurality of openings for the ingrowth of osseous tissue into an interior cavity. The surfaces of the beams defining the openings may also be roughened to promote the fusion of tissue.
Inventors
- 👤 Nikolaus Bohler
- 👤 Rudolf Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:46
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/28; A61F2/30; A61F2/30767; A61F2/30721; A61F2/30749; A61F2002/2835; A61F2002/30001; A61F2002/30108; A61F2002/30199; A61F2002/30261; A61F2002/30316; A61F2002/30535; A61F2002/30593; A61F2220/00; A61F2220/0008; A61F2230/00; A61F2230/0063; A61F2230/0082; A61F2310/00; A61F2310/00005; A61F2310/00011; A61F2310/00023; Y; Y10; Y10S; Y10S606/00; Y10S606/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
An implant for ingrowth of osseous tissue comprising a hollow skeletal three-dimensional cubic shaped support member having a plurality of interconnected beams defining at least one opening in each wall of said member for an ingrowth of osseous tissue into an interior cavity, each said beam having a roughened surface and each said opening having a diameter greater than 3 millimeters, and wherein said support member is made of titanium.
Claim 2
Dependent Claim
70 words
An implant for ingrowth of osseous tissue comprising a hollow skeletal three-dimensional cubic shaped support member having a plurality of interconnected beams defining at least one opening in each wall of said member for an ingrowth of osseous tissue into an interior cavity, each said beam having a roughened surface and each said opening having a diameter greater than 3 millimeters, and wherein said support member is made of titanium.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-15 | 1996-03-16 | 1996-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-15 | 2000-03-16 | 2000-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-15 | 2004-03-16 | 2004-09-15 | $7700.00 | Window Closed / Lapsed |