CA2050471A1 - Prosthetic meniscus - Google Patents

Prosthetic meniscus

Info

Publication number
CA2050471A1
CA2050471A1 CA002050471A CA2050471A CA2050471A1 CA 2050471 A1 CA2050471 A1 CA 2050471A1 CA 002050471 A CA002050471 A CA 002050471A CA 2050471 A CA2050471 A CA 2050471A CA 2050471 A1 CA2050471 A1 CA 2050471A1
Authority
CA
Canada
Prior art keywords
meniscus
matrix
prosthetic
microns
scaffold
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.)
Granted
Application number
CA002050471A
Other languages
French (fr)
Other versions
CA2050471C (en
Inventor
Kevin R. Stone
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.)
Regen Biologics Inc
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of CA2050471A1 publication Critical patent/CA2050471A1/en
Application granted granted Critical
Publication of CA2050471C publication Critical patent/CA2050471C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

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    • 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
    • A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/58—Materials at least partially resorbable by the body
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2/3872—Meniscus for implantation between the natural bone surfaces
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    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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    • A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/46—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with phosphorus-containing inorganic fillers
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    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
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    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/56—Porous materials, e.g. foams or sponges
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/30756—Cartilage endoprostheses
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
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    • A61F2/30965—Reinforcing the prosthesis by embedding particles or fibres during moulding or dipping
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30062—(bio)absorbable, biodegradable, bioerodable, (bio)resorbable, resorptive
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Abstract

A prosthetic, resorbable meniscus arid method of its fabrication are disclosed. The prosthetic meniscus can be implanted in a human knee where it can act as a scaffold for regrowth of native meniscal tissues. The meniscus comprises a dry, porous, matrix of biocompatible and bioresorbable fibers, at least a portion of which may be crosslinked. The fibers include natural polymers or analogs or fixtures thereof. The matrix is adapted to have in vivo an outer surface contour substantially the same as that of a natural meniscus. The matrix has pore size in the approximate range of greater than 50 microns to less than about 500 microns. With this configuration, the matrix establishes an at least partially bioresorbable scaffold adapted for ingrowth of meniscal fibrochondrocytes.
CA002050471A 1989-03-02 1990-03-01 Prosthetic meniscus Expired - Lifetime CA2050471C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US317,951 1989-03-02
US07/317,951 US5007934A (en) 1987-07-20 1989-03-02 Prosthetic meniscus
PCT/US1990/001141 WO1990009769A1 (en) 1989-03-02 1990-03-01 Prosthetic meniscus

Publications (2)

Publication Number Publication Date
CA2050471A1 true CA2050471A1 (en) 1990-09-03
CA2050471C CA2050471C (en) 2001-12-25

Family

ID=23235970

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002050471A Expired - Lifetime CA2050471C (en) 1989-03-02 1990-03-01 Prosthetic meniscus

Country Status (9)

Country Link
US (1) US5007934A (en)
EP (1) EP0461201B1 (en)
JP (1) JP3100156B2 (en)
AT (1) ATE125441T1 (en)
AU (1) AU637605B2 (en)
CA (1) CA2050471C (en)
DE (1) DE69021204T2 (en)
ES (1) ES2077676T3 (en)
WO (1) WO1990009769A1 (en)

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