AU3655197A - Creation of Inventions and Patents with Artificial Intelligence

AU3655197A – Crosslinking of polyethylene for low wear using radiation and thermal treatments
– Google Patents

AU3655197A – Crosslinking of polyethylene for low wear using radiation and thermal treatments
– Google Patents
Crosslinking of polyethylene for low wear using radiation and thermal treatments

Info

Publication number
AU3655197A

AU3655197A
AU36551/97A
AU3655197A
AU3655197A
AU 3655197 A
AU3655197 A
AU 3655197A
AU 36551/97 A
AU36551/97 A
AU 36551/97A
AU 3655197 A
AU3655197 A
AU 3655197A
AU 3655197 A
AU3655197 A
AU 3655197A
Authority
AU
Australia
Prior art keywords
crosslinking
radiation
polyethylene
low wear
thermal treatments
Prior art date
1996-07-09
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.)

Abandoned

Application number
AU36551/97A
Inventor
Harry A. Mckellop
Ronald Salovey
Fu-Wen Shen
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.)

Orthopaedic Hospital

University of Southern California USC

Original Assignee
Orthopaedic Hospital
University of Southern California USC
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.)
1996-07-09
Filing date
1997-07-08
Publication date
1998-02-02
Family has litigation

First worldwide family litigation filed
litigation
Critical
https://patents.darts-ip.com/?family=27360900&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU3655197(A)
“Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1997-07-08
Application filed by Orthopaedic Hospital, University of Southern California USC
filed
Critical
Orthopaedic Hospital

1998-02-02
Publication of AU3655197A
publication
Critical
patent/AU3655197A/en

Status
Abandoned
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

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

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

A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor

A61F2/468—Testing instruments for artificial joints

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

A61L27/14—Macromolecular materials

A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds

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

B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor

B29C71/02—Thermal after-treatment

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

B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor

B29C71/04—After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles

C—CHEMISTRY; METALLURGY

C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON

C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H

C08J3/00—Processes of treating or compounding macromolecular substances

C08J3/28—Treatment by wave energy or particle radiation

C—CHEMISTRY; METALLURGY

C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON

C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H

C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances

C08J7/08—Heat treatment

C—CHEMISTRY; METALLURGY

C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON

C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H

C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances

C08J7/12—Chemical modification

C08J7/123—Treatment by wave energy or particle radiation

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/3094—Designing or manufacturing processes

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/32—Joints for the hip

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/32—Joints for the hip

A61F2/34—Acetabular cups

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof

A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis

A61F2002/3006—Properties of materials and coating materials

A61F2002/30084—Materials having a crystalline structure

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/32—Joints for the hip

A61F2/34—Acetabular cups

A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface

A61F2002/3414—Polar protrusion, e.g. for centering two concentric shells

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/32—Joints for the hip

A61F2/34—Acetabular cups

A61F2002/3429—Acetabular cups with an integral peripheral collar or flange, e.g. oriented away from the shell centre line

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61F2/02—Prostheses implantable into the body

A61F2/30—Joints

A61F2/32—Joints for the hip

A61F2/36—Femoral heads ; Femoral endoprostheses

A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts

A61F2002/3611—Heads or epiphyseal parts of femur

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

B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor

B29C71/02—Thermal after-treatment

B29C2071/022—Annealing

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

B29K2023/0675—HMWPE, i.e. 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

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

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

C—CHEMISTRY; METALLURGY

C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON

C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H

C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers

C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment

C08J2323/04—Homopolymers or copolymers of ethene

C08J2323/06—Polyethene

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10S525/00—Synthetic resins or natural rubbers — part of the class 520 series

Y10S525/937—Utility as body contact e.g. implant, contact lens or I.U.D.

AU36551/97A
1996-07-09
1997-07-08
Crosslinking of polyethylene for low wear using radiation and thermal treatments

Abandoned

AU3655197A
(en)

Applications Claiming Priority (6)

Application Number
Priority Date
Filing Date
Title

US1785296P

1996-07-09
1996-07-09

US60017852

1996-07-09

US2571296P

1996-09-10
1996-09-10

US60025712

1996-09-10

US4439097P

1997-04-29
1997-04-29

PCT/US1997/011947

WO1998001085A1
(en)

1996-07-09
1997-07-08
Crosslinking of polyethylene for low wear using radiation and thermal treatments

Publications (1)

Publication Number
Publication Date

AU3655197A
true

AU3655197A
(en)

1998-02-02

Family
ID=27360900
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU36551/97A
Abandoned

AU3655197A
(en)

1996-07-09
1997-07-08
Crosslinking of polyethylene for low wear using radiation and thermal treatments

Country Status (7)

Country
Link

US
(6)

US6800670B2
(en)

EP
(3)

EP2319546A1
(en)

JP
(2)

JP2000514481A
(en)

AU
(1)

AU3655197A
(en)

CA
(1)

CA2260241C
(en)

DE
(1)

DE69737325T2
(en)

WO
(1)

WO1998001085A1
(en)

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* Cited by examiner, † Cited by third party

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Assignee
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1994-09-21
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Ultra high molecular weight polyethylene molded article for artificial joints and method of preparing the same

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1996-07-09
1998-01-15
The Orthopaedic Hospital
Crosslinking of polyethylene for low wear using radiation and thermal treatments

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1995-01-20
2005-06-09
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Crosslinking of polyethylene for low wear using radiation and thermal treatments

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1995-01-20
2008-03-25
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Chemically crosslinked ultrahigh molecular weight polyethylene for artificial human joints

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1996-02-13
1999-03-09
Massachusetts Institute Of Technology
Melt-irradiated ultra high molecular weight polyethylene prosthetic devices

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2014-10-21
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Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices

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Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance

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1998-05-11
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St. Francis Medical Technologies
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Method for producing crosslinked, molded plastic bearings

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METHOD FOR MANUFACTURING A COTYLOIDAL HIP PROSTHESIS IMPLANT

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Process of making an articulating bearing surface

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EP2047823A1
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2009-04-15
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EP1304980B1
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Monopolar constrained acetabular component

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AU2002218000A1
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Compositions and systems for identifying and comparing expressed genes (mrnas) in eukaryotic organisms

DE10105085C1
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2001-02-23
2003-04-15
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Process for the manufacturing of a shaped part of ultra high molecular weight polyethylene and a fibre made with this process

JP2005511216A
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2001-12-12
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Medical devices containing biocompatible polymer products with a layered structure

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Modular femoral component for a total knee joint replacement for minimally invasive implantation

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Interspinous process distraction implant and method of implantation

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Interspinous process implant having deployable wing and method of implantation

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Interspinous process and sacrum implant and method

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Interspinous process implant including a binder and method of implantation

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PCT/US1997/011947
patent/WO1998001085A1/en
active
IP Right Grant

1997-07-08
EP
EP10011736A
patent/EP2319546A1/en
not_active
Withdrawn

1997-07-08
JP
JP10505346A
patent/JP2000514481A/en
not_active
Withdrawn

1997-07-08
DE
DE69737325T
patent/DE69737325T2/en
not_active
Expired – Lifetime

1997-07-08
EP
EP97933345A
patent/EP0935446B1/en
not_active
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1997-07-08
CA
CA2260241A
patent/CA2260241C/en
not_active
Expired – Lifetime

1997-07-08
EP
EP07002569A
patent/EP1795212A3/en
not_active
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1997-07-08
AU
AU36551/97A
patent/AU3655197A/en
not_active
Abandoned

2001

2001-02-26
US
US09/795,229
patent/US6800670B2/en
not_active
Expired – Lifetime

2004

2004-05-30
US
US10/858,528
patent/US20040266902A1/en
not_active
Abandoned

2004-09-07
US
US10/936,149
patent/US20050048096A1/en
not_active
Abandoned

2004-10-20
JP
JP2004306238A
patent/JP4187712B2/en
not_active
Expired – Lifetime

2006

2006-12-04
US
US11/633,865
patent/US8003709B2/en
not_active
Expired – Fee Related

2006-12-04
US
US11/633,803
patent/US8008365B2/en
not_active
Expired – Lifetime

2007

2007-10-31
US
US11/982,071
patent/US20080133021A1/en
not_active
Abandoned

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US20080133021A1
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2008-06-05

JP2000514481A
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2000-10-31

US8008365B2
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2011-08-30

US20050048096A1
(en)

2005-03-03

EP0935446A1
(en)

1999-08-18

EP1795212A3
(en)

2007-09-05

US20020037944A1
(en)

2002-03-28

WO1998001085A1
(en)

1998-01-15

CA2260241C
(en)

2010-09-14

JP2005161029A
(en)

2005-06-23

EP2319546A1
(en)

2011-05-11

US20070100016A1
(en)

2007-05-03

US8003709B2
(en)

2011-08-23

EP0935446A4
(en)

2001-12-19

EP1795212A2
(en)

2007-06-13

US6800670B2
(en)

2004-10-05

US20070100017A1
(en)

2007-05-03

CA2260241A1
(en)

1998-01-15

DE69737325D1
(en)

2007-03-22

EP0935446B1
(en)

2007-02-07

JP4187712B2
(en)

2008-11-26

DE69737325T2
(en)

2007-11-22

US20040266902A1
(en)

2004-12-30

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