ATE226884T1 - Sauerstoffarmes verfahren zur herstellung von weichen kontakt-linsen - Google Patents

Sauerstoffarmes verfahren zur herstellung von weichen kontakt-linsen

Info

Publication number
ATE226884T1
ATE226884T1 AT95303994T AT95303994T ATE226884T1 AT E226884 T1 ATE226884 T1 AT E226884T1 AT 95303994 T AT95303994 T AT 95303994T AT 95303994 T AT95303994 T AT 95303994T AT E226884 T1 ATE226884 T1 AT E226884T1
Authority
AT
Austria
Prior art keywords
lens molds
soft contact
contact lenses
low oxygen
producing soft
Prior art date
Application number
AT95303994T
Other languages
English (en)
Inventor
Wallace Anthony Martin
John Benjamin Enns
Jonathan Patrick Adams
Ture Kindt-Larsen
Original Assignee
Johnson & Johnson Vision Prod
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 Johnson & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Application granted granted Critical
Publication of ATE226884T1 publication Critical patent/ATE226884T1/de

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/42—Casting under special conditions, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • 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
    • B29C2791/001—Shaping in several steps
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • 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
    • B29K2825/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as mould material
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses
    • 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
    • B29L2031/757—Moulds, cores, dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eyeglasses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
AT95303994T 1994-06-10 1995-06-09 Sauerstoffarmes verfahren zur herstellung von weichen kontakt-linsen ATE226884T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25780294A 1994-06-10 1994-06-10

Publications (1)

Publication Number Publication Date
ATE226884T1 true ATE226884T1 (de) 2002-11-15

Family

ID=22977811

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95303994T ATE226884T1 (de) 1994-06-10 1995-06-09 Sauerstoffarmes verfahren zur herstellung von weichen kontakt-linsen

Country Status (12)

Country Link
US (1) US5753150A (de)
EP (2) EP1223026A1 (de)
JP (1) JP4094072B2 (de)
AT (1) ATE226884T1 (de)
AU (1) AU708998B2 (de)
BR (1) BR9502735A (de)
CA (1) CA2151333C (de)
CZ (1) CZ146895A3 (de)
DE (1) DE69528686T2 (de)
DK (1) DK0687550T3 (de)
IL (1) IL113691A0 (de)
ZA (1) ZA954816B (de)

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US7468398B2 (en) 1994-09-06 2008-12-23 Ciba Vision Corporation Extended wear ophthalmic lens
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US6113817A (en) * 1997-03-25 2000-09-05 Novartis Ag Molding processes
US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
US20040074525A1 (en) * 2001-03-27 2004-04-22 Widman Michael F. Transfer apparatus and method and a transfer apparatus cleaner and method
US20070157553A1 (en) * 1998-12-21 2007-07-12 Voss Leslie A Heat seal apparatus for lens packages
US6241918B1 (en) * 1998-12-28 2001-06-05 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses in ambient environment
US6610220B1 (en) * 1998-12-28 2003-08-26 Johnson & Johnson Vision Care, Inc. Process of manufacturing contact lenses with measured exposure to oxygen
US6609041B1 (en) * 1999-05-05 2003-08-19 Johnson & Johnson Vision Care, Inc. Method and system for SKU tracking and changeover
US6364934B1 (en) 2000-07-31 2002-04-02 Bausch & Lomb Incorporated Method of making ocular devices
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ATE526135T1 (de) 2001-03-26 2011-10-15 Novartis Ag Giessform und verfahren zur herstellung von opthalmischen linsen
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US6708397B2 (en) * 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US7008570B2 (en) * 2001-08-09 2006-03-07 Stephen Pegram Method and apparatus for contact lens mold assembly
US7052454B2 (en) * 2001-10-20 2006-05-30 Applied Medical Resources Corporation Sealed surgical access device
EP2343032B1 (de) 2002-06-05 2012-05-09 Applied Medical Resources Corporation Wundspreizer
US20050020884A1 (en) * 2003-02-25 2005-01-27 Hart Charles C. Surgical access system
US7163510B2 (en) 2003-09-17 2007-01-16 Applied Medical Resources Corporation Surgical instrument access device
EP1694731B1 (de) * 2003-09-23 2012-03-28 University Of North Carolina At Chapel Hill Photohärtbare perfluorpolyether zur verwendung als neue werkstoffe in mikrofluidischen vorrichtungen
US20080131593A1 (en) * 2004-01-29 2008-06-05 Powell P Mark Contact lens mold printing systems and processes
US8158728B2 (en) 2004-02-13 2012-04-17 The University Of North Carolina At Chapel Hill Methods and materials for fabricating microfluidic devices
US7479247B2 (en) * 2005-05-12 2009-01-20 Victor Joyner Method and apparatus for creating sacrificial patterns and cast parts
US7625197B2 (en) * 2005-09-12 2009-12-01 Johnson & Johnson Vision Care, Inc. Devices and processes for performing degassing operations
WO2007044911A1 (en) 2005-10-14 2007-04-19 Applied Medical Resources Corporation Method of making a hand access laparoscopic device
US20080179770A1 (en) * 2007-01-31 2008-07-31 Rooney Thomas R Free form ophthalmic lens mold
MY147130A (en) * 2007-05-18 2012-10-31 Coopervision Int Holding Co Lp Thermal curing methods and systems for forming contact lenses
US8262952B2 (en) 2007-10-31 2012-09-11 Bausch & Lomb Incorporated Molds for production of ophthalmic devices
US20090295004A1 (en) * 2008-06-02 2009-12-03 Pinsly Jeremy B Silicone hydrogel contact lenses displaying reduced protein uptake
WO2010069961A1 (en) * 2008-12-18 2010-06-24 Novartis Ag Mold release sheet
HUE031152T2 (en) * 2008-12-18 2017-06-28 Novartis Ag A method for making molds for injection molded ophthalmic lenses and such molds
JP5956438B2 (ja) * 2010-07-09 2016-07-27 クーパーヴィジョン インターナショナル ホウルディング カンパニー リミテッド パートナーシップ 極性熱可塑性眼用レンズ型、その中で成型された眼用レンズ、および関連する方法
SG190218A1 (en) 2010-11-10 2013-06-28 Novartis Ag Method for making contact lenses
KR20200006622A (ko) 2011-05-10 2020-01-20 어플라이드 메디컬 리소시스 코포레이션 창상 견인기
US20130258276A1 (en) * 2012-03-27 2013-10-03 Jonathan Hansen Increased stiffness center optic in soft contact lenses for astigmatism correction
US10209534B2 (en) 2012-03-27 2019-02-19 Johnson & Johnson Vision Care, Inc. Increased stiffness center optic in soft contact lenses for astigmatism correction
EP4101405B1 (de) 2014-08-15 2025-04-02 Applied Medical Resources Corporation Chirurgisches system für natürliche öffnung
US9949730B2 (en) 2014-11-25 2018-04-24 Applied Medical Resources Corporation Circumferential wound retraction with support and guidance structures
AU2016335864B2 (en) 2015-10-07 2021-05-20 Applied Medical Resources Corporation Wound retractor with multi-segment outer ring
US11125916B2 (en) 2016-07-06 2021-09-21 Johnson & Johnson Vision Care, Inc. Silicone hydrogels comprising N-alkyl methacrylamides and contact lenses made thereof
CN117425554A (zh) * 2021-03-05 2024-01-19 博士伦爱尔兰有限公司 用于生产眼用装置的模具
EP4401966B1 (de) * 2021-09-14 2025-09-03 Alcon Inc. Produktionslinie für die herstellung von ophthalmischen linsen
TW202337672A (zh) 2021-09-14 2023-10-01 瑞士商愛爾康公司 用於生產眼科透鏡之生產線
WO2023042061A1 (en) * 2021-09-14 2023-03-23 Alcon Inc. Production line for the production of ophthalmic lenses

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Also Published As

Publication number Publication date
US5753150A (en) 1998-05-19
CZ146895A3 (en) 1997-04-16
EP0687550A2 (de) 1995-12-20
DE69528686D1 (de) 2002-12-05
AU2055795A (en) 1995-12-21
AU708998B2 (en) 1999-08-19
ZA954816B (en) 1996-12-09
CA2151333C (en) 2006-06-06
JP4094072B2 (ja) 2008-06-04
EP0687550B1 (de) 2002-10-30
BR9502735A (pt) 1996-03-12
CA2151333A1 (en) 1995-12-11
DE69528686T2 (de) 2003-06-12
EP0687550A3 (de) 1996-11-20
EP1223026A1 (de) 2002-07-17
DK0687550T3 (da) 2003-02-24
JPH08187794A (ja) 1996-07-23
IL113691A0 (en) 1995-08-31

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