GB2276372B - Tetracalcium phosphate-based materials and processes for their preparation - Google Patents

Tetracalcium phosphate-based materials and processes for their preparation

Info

Publication number
GB2276372B
GB2276372B GB9409902A GB9409902A GB2276372B GB 2276372 B GB2276372 B GB 2276372B GB 9409902 A GB9409902 A GB 9409902A GB 9409902 A GB9409902 A GB 9409902A GB 2276372 B GB2276372 B GB 2276372B
Authority
GB
United Kingdom
Prior art keywords
tetracalcium phosphate
processes
preparation
based materials
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9409902A
Other versions
GB9409902D0 (en
GB2276372A (en
Inventor
Akitoshi Imura
Toru Saito
Shiro Ikegami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Osaka Cement Co Ltd
Original Assignee
Osaka Cement Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2200071A external-priority patent/JPH0768044B2/en
Priority claimed from JP2262903A external-priority patent/JPH085705B2/en
Application filed by Osaka Cement Co Ltd filed Critical Osaka Cement Co Ltd
Priority claimed from GB9116201A external-priority patent/GB2246770B/en
Publication of GB9409902D0 publication Critical patent/GB9409902D0/en
Publication of GB2276372A publication Critical patent/GB2276372A/en
Application granted granted Critical
Publication of GB2276372B publication Critical patent/GB2276372B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/28—Materials for coating prostheses
    • A61L27/30—Inorganic materials
    • A61L27/32—Phosphorus-containing materials, e.g. apatite
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
    • A61K6/838—Phosphorus compounds, e.g. apatite
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/864—Phosphate cements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
    • A61K6/876—Calcium oxide
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/12—Phosphorus-containing materials, e.g. apatite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/327—After-treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00179—Ceramics or ceramic-like structures
    • A61F2310/00293—Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
    • A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Organic Chemistry (AREA)
  • Dermatology (AREA)
  • Medicinal Chemistry (AREA)
  • Transplantation (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Dental Preparations (AREA)
  • Materials For Medical Uses (AREA)

Abstract

Tetracalcium phosphate particles are coated with apatite. This may be carried out by subjecting the tetracalcium phosphate particles to hydration e.g. with an aqueous solution of an acid such as carboxylic acid, phosphoric acid or a polymer of an acrylic acid.
GB9409902A 1990-07-27 1991-07-26 Tetracalcium phosphate-based materials and processes for their preparation Expired - Fee Related GB2276372B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2200071A JPH0768044B2 (en) 1990-07-27 1990-07-27 Tetracalcium phosphate powder having apatite coating, method for producing the same, and tetracalcium phosphate-based curable composition
JP2262903A JPH085705B2 (en) 1990-09-28 1990-09-28 Composition for forming high strength cured product
GB9116201A GB2246770B (en) 1990-07-27 1991-07-26 Tetracalcium phosphate-based hardening materials

Publications (3)

Publication Number Publication Date
GB9409902D0 GB9409902D0 (en) 1994-07-06
GB2276372A GB2276372A (en) 1994-09-28
GB2276372B true GB2276372B (en) 1995-03-15

Family

ID=27265779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9409902A Expired - Fee Related GB2276372B (en) 1990-07-27 1991-07-26 Tetracalcium phosphate-based materials and processes for their preparation

Country Status (1)

Country Link
GB (1) GB2276372B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115567A (en) * 1986-11-04 1988-05-20 住友大阪セメント株式会社 Artificial joint fixing material
JPS63294863A (en) * 1987-05-28 1988-12-01 Mitsubishi Mining & Cement Co Ltd Filler for bone depleted part and bone gap part
EP0298501A2 (en) * 1987-07-10 1989-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Composition for forming calcium phosphate type hardening material and process for producing such hardening material
WO1990000892A1 (en) * 1988-07-23 1990-02-08 Nitta Gelatin Inc. Hardening material for medical and dental use

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63115567A (en) * 1986-11-04 1988-05-20 住友大阪セメント株式会社 Artificial joint fixing material
JPS63294863A (en) * 1987-05-28 1988-12-01 Mitsubishi Mining & Cement Co Ltd Filler for bone depleted part and bone gap part
EP0298501A2 (en) * 1987-07-10 1989-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Composition for forming calcium phosphate type hardening material and process for producing such hardening material
WO1990000892A1 (en) * 1988-07-23 1990-02-08 Nitta Gelatin Inc. Hardening material for medical and dental use

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Derwent WPI Abstract 88-178827/26 & JP 63115567 A *
Derwent WPI Abstract 89-019347/03 & JP 63294863 A *

Also Published As

Publication number Publication date
GB9409902D0 (en) 1994-07-06
GB2276372A (en) 1994-09-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990726