DE69922435D1 - Verfahren zur Herstellung vernetzter, geformter Kunststofflager - Google Patents

Verfahren zur Herstellung vernetzter, geformter Kunststofflager

Info

Publication number
DE69922435D1
DE69922435D1 DE1999622435 DE69922435T DE69922435D1 DE 69922435 D1 DE69922435 D1 DE 69922435D1 DE 1999622435 DE1999622435 DE 1999622435 DE 69922435 T DE69922435 T DE 69922435T DE 69922435 D1 DE69922435 D1 DE 69922435D1
Authority
DE
Germany
Prior art keywords
molded plastic
producing crosslinked
plastic bearings
bearings
crosslinked
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 - Lifetime
Application number
DE1999622435
Other languages
English (en)
Other versions
DE69922435T2 (de
Inventor
Donald E Mcnulty
Todd Smith
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.)
DePuy Products Inc
Original Assignee
DePuy Products Inc
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 DePuy Products Inc filed Critical DePuy Products Inc
Publication of DE69922435D1 publication Critical patent/DE69922435D1/de
Application granted granted Critical
Publication of DE69922435T2 publication Critical patent/DE69922435T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0037—Forming articles from a moulding composition enclosed in a deformable bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/08—Conditioning or physical treatment of the material to be shaped by using wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/085—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using gamma-ray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/005—Using a particular environment, e.g. sterile fluids other than air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/16—Forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
    • B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0087—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0089—Impact strength or toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7532—Artificial members, protheses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
DE1999622435 1998-06-10 1999-06-09 Verfahren zur Herstellung vernetzter, geformter Kunststofflager Expired - Lifetime DE69922435T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8872998P 1998-06-10 1998-06-10
US88729P 1998-06-10

Publications (2)

Publication Number Publication Date
DE69922435D1 true DE69922435D1 (de) 2005-01-13
DE69922435T2 DE69922435T2 (de) 2005-12-08

Family

ID=22213105

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1999622435 Expired - Lifetime DE69922435T2 (de) 1998-06-10 1999-06-09 Verfahren zur Herstellung vernetzter, geformter Kunststofflager
DE1999634440 Expired - Lifetime DE69934440T2 (de) 1998-06-10 1999-06-09 Verfahren zur Herstellung vernetzter geformter Kunststofflager

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1999634440 Expired - Lifetime DE69934440T2 (de) 1998-06-10 1999-06-09 Verfahren zur Herstellung vernetzter geformter Kunststofflager

Country Status (3)

Country Link
EP (1) EP0963824B1 (de)
JP (1) JP4503114B2 (de)
DE (2) DE69922435T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6245276B1 (en) 1999-06-08 2001-06-12 Depuy Orthopaedics, Inc. Method for molding a cross-linked preform
US6143232A (en) * 1999-07-29 2000-11-07 Bristol-Meyers Squibb Company Method of manufacturing an articulating bearing surface for an orthopaedic implant
AU778259C (en) * 2000-07-14 2006-09-14 Depuy Orthopaedics, Inc. Method for compression molding a cross-linked preform
AU2001293192B2 (en) * 2000-09-29 2005-12-22 Depuy Orthopaedics, Inc. Supercritical fluid treatment of irradiated polyethylene
US6818172B2 (en) * 2000-09-29 2004-11-16 Depuy Products, Inc. Oriented, cross-linked UHMWPE molding for orthopaedic applications
US6821470B2 (en) * 2001-06-29 2004-11-23 Depuy Products, Inc. Joint prosthesis molding method
US6962607B2 (en) 2001-06-30 2005-11-08 Depuy Products, Inc. Joint replacement prosthesis component with non linear insert
US7186364B2 (en) 2002-01-28 2007-03-06 Depuy Products, Inc. Composite prosthetic bearing constructed of polyethylene and an ethylene-acrylate copolymer and method for making the same
US7819925B2 (en) 2002-01-28 2010-10-26 Depuy Products, Inc. Composite prosthetic bearing having a crosslinked articulating surface and method for making the same
US7938861B2 (en) 2003-04-15 2011-05-10 Depuy Products, Inc. Implantable orthopaedic device and method for making the same
WO2004096527A2 (en) * 2003-05-01 2004-11-11 Objet Geometries Ltd. Rapid prototyping apparatus
US7879275B2 (en) 2004-12-30 2011-02-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
US7883653B2 (en) 2004-12-30 2011-02-08 Depuy Products, Inc. Method of making an implantable orthopaedic bearing
US7896921B2 (en) 2004-12-30 2011-03-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
US7435372B2 (en) * 2005-03-31 2008-10-14 Zimmer, Inc. Liquid bath annealing of polymers for orthopaedic implants
WO2019097791A1 (ja) * 2017-11-14 2019-05-23 株式会社豊田自動織機 摺動部材及びその製造方法
JP7010127B2 (ja) * 2017-11-14 2022-03-04 株式会社豊田自動織機 摺動部材及びその製造方法
JP7010128B2 (ja) * 2018-04-19 2022-03-04 株式会社豊田自動織機 摺動部材及びその製造方法
CN114344568B (zh) * 2021-12-13 2023-03-17 苏州微创关节医疗科技有限公司 具有表面交联层的关节假体及其制备方法和模压模具组件

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047446A (en) * 1988-07-22 1991-09-10 Himont Incorporated Thermal treatment of irradiated propylene polymer material
FI922879A (fi) * 1991-06-21 1992-12-22 Himont Inc Etenpolymer med hoeg smaelthaollfasthet, foerfarande foer dess framstaellning och dess anvaendning
US5414049A (en) * 1993-06-01 1995-05-09 Howmedica Inc. Non-oxidizing polymeric medical implant
US6168626B1 (en) * 1994-09-21 2001-01-02 Bmg Incorporated Ultra high molecular weight polyethylene molded article for artificial joints and method of preparing the same
CA2166450C (en) * 1995-01-20 2008-03-25 Ronald Salovey Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints
JP4752039B2 (ja) * 1996-02-13 2011-08-17 マサチューセッツ インスティテュート オブ テクノロジー 放射線および溶解処理済み超高分子量ポリエチレンプロテーゼおよびそれを用いた医療用物品
ATE300964T1 (de) * 1996-02-13 2005-08-15 Massachusetts Inst Technology Bestrahlte und schmeltzbehandelte ultrahoch molekulare polyethylen prothesen
JP2000514481A (ja) * 1996-07-09 2000-10-31 ザ オーソピーディック ホスピタル 放射線及び熱処理を用いた低摩耗ポリエチレンの架橋
US6017975A (en) * 1996-10-02 2000-01-25 Saum; Kenneth Ashley Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance

Also Published As

Publication number Publication date
DE69934440D1 (de) 2007-01-25
DE69922435T2 (de) 2005-12-08
JP4503114B2 (ja) 2010-07-14
JP2000033117A (ja) 2000-02-02
EP0963824B1 (de) 2004-12-08
EP0963824A3 (de) 2001-09-12
DE69934440T2 (de) 2007-09-27
EP0963824A2 (de) 1999-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN