EP0267624A2
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EP
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Porous calcium phosphate based bone prosthesis
Assignee: Pentax Corp
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Filing: 1987-11-13
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Granted: —
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Expires: 2007-11-13
Abstract
Abstract A porous calcium phosphate based bone prosthesis having open pores with an average size of 0.01-2,000 µm and closed pores with an average size of 0.01-30 µm. The bone prosthesis has both good workability and an adequate degree of biocompatibility.
Inventors
- 👤 Takeshi c/o Asahi Kogaku Kogyo K K Ichitsuka
- 👤 Akihikoc/o Asahi Kogaku Kogyo K K Yokoo
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 16:06
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/50; A61L27/56; A61F; A61F2/00; A61F2/02; A61F2/28; A61L27/02; A61L27/12; A61F2310/00; A61F2310/00005; A61F2310/00179; A61F2310/00293; A61L2430/00; A61L2430/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
27 words
A porous calcium phosphate based bone prosthesis having open pores with an average size of 0.01-2,000 µm and closed pores with an average size of 0.01-30 µm.
Claim 2
Dependent Claim
27 words
A porous calcium phosphate based bone prosthesis having open pores with an average size of 0.01-2,000 µm and closed pores with an average size of 0.01-30 µm.
Claim 3
Dependent Claim
20 words
The porous calcium phosphate based bone prosthesis of Claim 1, wherein the closed pores have an average size of 0.01-20µm.
Claim 4
Dependent Claim
15 words
The porous calcium phosphate based bone prosthesis of Claim 1, having a porosity of 5-75%.
Claim 5
Dependent Claim
22 words
The porous calcium phosphate based bone prosthesis of Claim 1, wherein the open pores comprise from 10.0-99.6% of all the pores present.
Claim 6
Dependent Claim
30 words
The porous calcium phosphate based bone prosthesis of Claim 1, wherein the calcium phosphate based material is one member selected from the group consisting of hydroxyapatite and tri calcium phosphate.
References Cited (Backward Citations)
No citation records indexed.
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