[go: up one dir, main page]

DE69934440D1 - Verfahren zur Herstellung vernetzter geformter Kunststofflager - Google Patents

Verfahren zur Herstellung vernetzter geformter Kunststofflager

Info

Publication number
DE69934440D1
DE69934440D1 DE69934440T DE69934440T DE69934440D1 DE 69934440 D1 DE69934440 D1 DE 69934440D1 DE 69934440 T DE69934440 T DE 69934440T DE 69934440 T DE69934440 T DE 69934440T DE 69934440 D1 DE69934440 D1 DE 69934440D1
Authority
DE
Germany
Prior art keywords
molded plastic
crosslinked molded
producing crosslinked
plastic bearings
bearings
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
DE69934440T
Other languages
English (en)
Other versions
DE69934440T2 (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 DE69934440D1 publication Critical patent/DE69934440D1/de
Application granted granted Critical
Publication of DE69934440T2 publication Critical patent/DE69934440T2/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)
DE1999634440 1998-06-10 1999-06-09 Verfahren zur Herstellung vernetzter geformter Kunststofflager Expired - Lifetime DE69934440T2 (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
DE69934440D1 true DE69934440D1 (de) 2007-01-25
DE69934440T2 DE69934440T2 (de) 2007-09-27

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 Before (1)

Application Number Title Priority Date Filing Date
DE1999622435 Expired - Lifetime DE69922435T2 (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 (20)

* 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
JP2004504178A (ja) * 2000-07-14 2004-02-12 デピュイ・オーソピーディックス・インコーポレイテッド 架橋した予備成形品を成形するための方法
US6818172B2 (en) * 2000-09-29 2004-11-16 Depuy Products, Inc. Oriented, cross-linked UHMWPE molding for orthopaedic applications
JP2004509717A (ja) * 2000-09-29 2004-04-02 デピュイ　オーソピーディックス，インコーポレイテッド 照射ポリエチレンの超臨界流体治療
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
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
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
US7938861B2 (en) 2003-04-15 2011-05-10 Depuy Products, Inc. Implantable orthopaedic device and method for making the same
DE602004008458T2 (de) * 2003-05-01 2008-05-21 Objet Geometries Ltd. Rapid-prototyping-vorrichtung
US7384430B2 (en) 2004-06-30 2008-06-10 Depuy Products, Inc. Low crystalline polymeric material for orthopaedic implants and an associated method
US7883653B2 (en) 2004-12-30 2011-02-08 Depuy Products, Inc. Method of making an implantable orthopaedic bearing
US7879275B2 (en) 2004-12-30 2011-02-01 Depuy Products, Inc. Orthopaedic bearing and method for making the same
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
CN111356753B (zh) * 2017-11-14 2022-05-17 株式会社丰田自动织机 滑动构件及其制造方法
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
WO1996009330A1 (fr) * 1994-09-21 1996-03-28 Bmg Incorporated Piece moulee en polyethylene a poids moleculaire ultra eleve utile pour les articulations artificielles et son procede de fabrication
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
PL189246B1 (pl) * 1996-02-13 2005-07-29 Gen Hospital Corp Sposób otrzymywania usieciowanego polietylenu o ultrawysokim ciężarze cząsteczkowym, medyczna proteza do stosowania wewnątrz ciała oraz zastosowanie poddanego działaniu promieniowania polietylenu o ultrawysokim ciężarze cząsteczkowym
EP0935446B1 (de) * 1996-07-09 2007-02-07 Orthopaedic Hospital Vernetzung von polyethylen zur verringerung der abnutzung unter anwendung von strahlung und thermischer behandlung
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
EP0963824A3 (de) 2001-09-12
DE69934440T2 (de) 2007-09-27
DE69922435D1 (de) 2005-01-13
EP0963824B1 (de) 2004-12-08
JP4503114B2 (ja) 2010-07-14
DE69922435T2 (de) 2005-12-08
JP2000033117A (ja) 2000-02-02
EP0963824A2 (de) 1999-12-15

Similar Documents

Publication Publication Date Title
DE69934440D1 (de) Verfahren zur Herstellung vernetzter geformter Kunststofflager
ATE259704T1 (de) Verfahren zur herstellung von formteilen
DE69909205D1 (de) Verfahren zur Herstellung vertikaler Transistoren
DE69910384D1 (de) Verfahren zur herstellung von feuerfesten formkörpern
DE69916070D1 (de) Verfahren zur herstellung eines antimikrobiellen formkörpers
DE69736802D1 (de) Formmasse und verfahren zur herstellung
DE69703742D1 (de) Verfahren zur herstellung polymerer teilchen
DE69939425D1 (de) Verfahren zur herstellung von extrudierten guar-granulaten mit verbesserter benetzbarkeit
ATA129498A (de) Verfahren und vorrichtung zur herstellung cellulosischer formkörper
DE69730618D1 (de) Verfahren zur herstellung von phenolharzschaum
DE60011229D1 (de) Verfahren zur herstellung einer spritzgegossenen kofferschale und mit diesem verfahren hergestellter koffer
DE69915899D1 (de) Verfahren zur Herstellung von Kunststoffverbundformteilen
DE60111369D1 (de) Verfahren zur herstellung von vernetzter polymerfolie
DE59509117D1 (de) Verfahren zur herstellung kautschukelastischer pfropfpolymerisate
DE69907943D1 (de) Verfahren zur herstellung von methionin
DE60009273D1 (de) Verfahren zur herstellung von polyurethanformmassen
DE59804426D1 (de) Verfahren zur herstellung aromatischer aldehyde
DE60016796D1 (de) Verfahren zur herstellung von kunststoff-rotoren
DE59907013D1 (de) Kontinuierliches verfahren zur herstellung thermoplastischer formmassen
DE59801688D1 (de) Verfahren zur herstellung von kunststoff-bauteilen
DE59803433D1 (de) Verfahren und form zur herstellung miniaturisierter formenkörper
ATE250635T1 (de) Verfahren zur herstellung von polymeren
DE59812212D1 (de) Verfahren zur herstellung cellulosischer formkörper
DE59701727D1 (de) Verfahren zur herstellung von porösen polymerkugeln
DE69825425D1 (de) Verfahren zur herstellung von schaumkunststoffen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition