FR2950524A1 - Implant cotyloidien - Google Patents
Implant cotyloidien Download PDFInfo
- Publication number
- FR2950524A1 FR2950524A1 FR0956680A FR0956680A FR2950524A1 FR 2950524 A1 FR2950524 A1 FR 2950524A1 FR 0956680 A FR0956680 A FR 0956680A FR 0956680 A FR0956680 A FR 0956680A FR 2950524 A1 FR2950524 A1 FR 2950524A1
- Authority
- FR
- France
- Prior art keywords
- coating
- cup
- implant according
- ring
- cotyloid implant
- 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
Links
- 239000007943 implant Substances 0.000 title claims abstract description 55
- 239000011248 coating agent Substances 0.000 title claims abstract description 45
- 238000000576 coating method Methods 0.000 title claims abstract description 45
- 230000000278 osteoconductive effect Effects 0.000 title claims abstract description 7
- 210000000988 bone and bone Anatomy 0.000 title description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000001506 calcium phosphate Substances 0.000 claims abstract description 8
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims abstract description 8
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 6
- 235000011010 calcium phosphates Nutrition 0.000 claims abstract description 6
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 5
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 7
- 230000003746 surface roughness Effects 0.000 claims description 7
- 210000001621 ilium bone Anatomy 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 2
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 2
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 2
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 2
- 230000008468 bone growth Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 239000004568 cement Substances 0.000 description 8
- 210000001624 hip Anatomy 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 3
- 230000000399 orthopedic effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 210000000588 acetabulum Anatomy 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000005495 cold plasma Effects 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920001692 polycarbonate urethane Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910002110 ceramic alloy Inorganic materials 0.000 description 1
- IUWCPXJTIPQGTE-UHFFFAOYSA-N chromium cobalt Chemical compound [Cr].[Co].[Co].[Co] IUWCPXJTIPQGTE-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 210000002436 femur neck Anatomy 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003349 osteoarthritic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 210000003049 pelvic bone Anatomy 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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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- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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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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- A61F2/00—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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- 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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- 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)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims (10)
- REVENDICATIONS1. Implant cotyloïdien (2) comprenant une cupule (3) de forme sensiblement hémisphérique destinée à être fixée dans une cavité cotyloïdienne, la cupule (3) comportant une partie polaire (4) et une partie équatoriale (5) délimitant une cavité (7) sensiblement hémisphérique dans laquelle est destinée à être articulée une tête fémorale prothétique, caractérisé en ce que l'implant cotyloïdien (2) comporte en outre une bague métallique (9) ceinturant la partie équatoriale (5) de la cupule, en ce que la cupule (3) est réalisée en matière plastique et en ce qu'au moins une portion de la surface extérieure de la partie polaire (4) est revêtue d'un premier revêtement poreux (12) à base d'un métal ostéo-conducteur.
- 2. Implant cotyloïdien selon la revendication 2, caractérisé en ce que le premier revêtement (12) recouvre en outre au moins une portion de la surface extérieure de la bague (9).
- 3. Implant cotyloïdien selon la revendication 1 ou 2, caractérisé en 20 ce que le premier revêtement (12) présente une épaisseur comprise entre environ 0,2 et 0,8 mm, et de préférence égale à 0,5 mm.
- 4. Implant cotyloïdien selon l'une des revendications 1 à 3, caractérisé en ce que le premier revêtement (12) présente une porosité dont la 25 taille des pores est comprise entre 200 et 400 microns.
- 5. Implant cotyloïdien selon l'une des revendications 1 à 4, caractérisé en ce que le premier revêtement (12) est un revêtement de titane pur ou d'un alliage de titane, tel que le titane TA6V ou TA6Nb. 30
- 6. Implant cotyloïdien selon l'une des revendications 1 à 5, caractérisé en ce que le premier revêtement (12) est revêtu d'un deuxième revêtement favorisant la repousse osseuse, le deuxième revêtement étant de préférence un revêtement de phosphate de calcium, tel que l'hydroxyapatite et 35 le phosphate tricalcique.
- 7. Implant cotyloïdien selon la revendication 6, caractérisé en ce que le deuxième revêtement présente une épaisseur d'environ 60 microns.
- 8. Implant cotyloïdien selon l'une des revendications 1 à 7, 5 caractérisé en ce que la surface extérieure de la partie polaire (4) de la cupule (3) présente une rugosité de surface Ra de l'ordre de 10 microns.
- 9. Implant cotyloïdien selon l'une des revendications 1 à 8, caractérisé en ce que la surface extérieure de la bague (9) présente une 10 rugosité de surface Ra de l'ordre de 20 microns.
- 10. Implant cotyloïdien selon l'une des revendications 1 à 9, caractérisé en ce que la bague (9) comprend sur sa surface extérieure destinée à être tournée vers l'os iliaque des moyens d'ancrage osseux (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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FR0956680A FR2950524B1 (fr) | 2009-09-28 | 2009-09-28 | Implant cotyloidien |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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FR0956680A FR2950524B1 (fr) | 2009-09-28 | 2009-09-28 | Implant cotyloidien |
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FR2950524A1 true FR2950524A1 (fr) | 2011-04-01 |
FR2950524B1 FR2950524B1 (fr) | 2012-09-07 |
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FR0956680A Active FR2950524B1 (fr) | 2009-09-28 | 2009-09-28 | Implant cotyloidien |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014009669A1 (fr) * | 2012-07-11 | 2014-01-16 | Rv Finances | Cotyle pour prothese de hanche |
FR3036612A1 (fr) * | 2015-05-26 | 2016-12-02 | Sem Sa | Cupule pour prothese d'articulation femorale |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801300A (en) * | 1986-03-12 | 1989-01-31 | Technische Universitaet Karl-Marx-Stadt | Single part biocompatible hip-joint socket moorable without cement |
EP0388745A1 (fr) * | 1989-03-17 | 1990-09-26 | Thull, Roger, Prof. Dr.-Ing. | Cuvette d'articulation de la hanche pour l'implantation sans ciment dans la cavité acétabulaire |
FR2663535A1 (fr) * | 1990-06-22 | 1991-12-27 | Legre Gerard | Implant cotylouidien. |
DD298737A5 (de) * | 1990-03-13 | 1992-03-12 | Technische Universitaet Chemnitz,De | Einteilige zementfrei implantierbare gelenkpfanne |
FR2896984A1 (fr) * | 2006-02-03 | 2007-08-10 | Marc Siguier | Prothese cotyloidienne et son procede pour une implantation sans ciment. |
-
2009
- 2009-09-28 FR FR0956680A patent/FR2950524B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801300A (en) * | 1986-03-12 | 1989-01-31 | Technische Universitaet Karl-Marx-Stadt | Single part biocompatible hip-joint socket moorable without cement |
EP0388745A1 (fr) * | 1989-03-17 | 1990-09-26 | Thull, Roger, Prof. Dr.-Ing. | Cuvette d'articulation de la hanche pour l'implantation sans ciment dans la cavité acétabulaire |
DD298737A5 (de) * | 1990-03-13 | 1992-03-12 | Technische Universitaet Chemnitz,De | Einteilige zementfrei implantierbare gelenkpfanne |
FR2663535A1 (fr) * | 1990-06-22 | 1991-12-27 | Legre Gerard | Implant cotylouidien. |
FR2896984A1 (fr) * | 2006-02-03 | 2007-08-10 | Marc Siguier | Prothese cotyloidienne et son procede pour une implantation sans ciment. |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014009669A1 (fr) * | 2012-07-11 | 2014-01-16 | Rv Finances | Cotyle pour prothese de hanche |
FR2993171A1 (fr) * | 2012-07-11 | 2014-01-17 | Rv Finances | Cotyle pour prothese de hanche |
EP2872072B1 (fr) | 2012-07-11 | 2017-01-18 | RV Finances | Cotyle pour prothese de hanche |
AU2013288521B2 (en) * | 2012-07-11 | 2017-10-26 | Rv Finances | Acetabulum for a hip prosthesis |
FR3036612A1 (fr) * | 2015-05-26 | 2016-12-02 | Sem Sa | Cupule pour prothese d'articulation femorale |
Also Published As
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FR2950524B1 (fr) | 2012-09-07 |
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