GB1427630A - Method for producing an elastic hydrogel tube suitable particularly for applications in surgery - Google Patents

Method for producing an elastic hydrogel tube suitable particularly for applications in surgery

Info

Publication number
GB1427630A
GB1427630A GB3884573A GB3884573A GB1427630A GB 1427630 A GB1427630 A GB 1427630A GB 3884573 A GB3884573 A GB 3884573A GB 3884573 A GB3884573 A GB 3884573A GB 1427630 A GB1427630 A GB 1427630A
Authority
GB
United Kingdom
Prior art keywords
polyacrylonitrile
surgery
applications
producing
elastic hydrogel
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
Application number
GB3884573A
Other languages
English (en)
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Priority to AU59289/73A priority Critical patent/AU473485B2/en
Publication of GB1427630A publication Critical patent/GB1427630A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12Chemical modification
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04Macromolecular materials
    • A61L29/041Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • A61L29/16Biologically active materials, e.g. therapeutic substances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/18Homopolymers or copolymers of nitriles
    • C08J2333/20Homopolymers or copolymers of acrylonitrile

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials For Medical Uses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB3884573A 1972-08-21 1973-08-16 Method for producing an elastic hydrogel tube suitable particularly for applications in surgery Expired GB1427630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU59289/73A AU473485B2 (en) 1972-08-21 1973-08-16 Flameproofing of textiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS533A CS163539B1 (enrdf_load_stackoverflow) 1973-01-24 1973-01-24

Publications (1)

Publication Number Publication Date
GB1427630A true GB1427630A (en) 1976-03-10

Family

ID=5337565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3884573A Expired GB1427630A (en) 1972-08-21 1973-08-16 Method for producing an elastic hydrogel tube suitable particularly for applications in surgery

Country Status (4)

Country Link
JP (1) JPS49104487A (enrdf_load_stackoverflow)
CS (1) CS163539B1 (enrdf_load_stackoverflow)
DE (1) DE2350528A1 (enrdf_load_stackoverflow)
GB (1) GB1427630A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS175082B1 (enrdf_load_stackoverflow) * 1974-08-28 1977-04-29
JPS61209669A (ja) * 1985-03-13 1986-09-17 株式会社ジェイ・エム・エス 気管内插入チユ−ブ

Also Published As

Publication number Publication date
DE2350528A1 (de) 1974-07-25
JPS49104487A (enrdf_load_stackoverflow) 1974-10-03
CS163539B1 (enrdf_load_stackoverflow) 1975-09-15

Similar Documents

Publication Publication Date Title
GB1468735A (en) Method for removing sulphur dioxide from waste gases
SE8701291D0 (sv) Process for production of chlorine dioxide
ES2077080T3 (es) Procedimiento para la produccion de un caucho coagulado libre de gel con baja insaturacion etilenica.
ES491127A0 (es) Procedimiento para la depuracion de soluciones organicas de peracidos carboxilicos
GB1427630A (en) Method for producing an elastic hydrogel tube suitable particularly for applications in surgery
ES2106251T3 (es) Procedimiento para la fabricacion de hidroxido de niquel puro y su uso.
FI900460A0 (fi) Bipolaariset tarkkuusmembraanit, niiden valmistusmenetelmä ja käyttö
PT73314A (fr) Procede pour la fabrication de l'acide beta-hydroxybutyrique etde ses oligocondensats
EP0628594A3 (en) Process of manufacturing of a bipolar membrane and process for producing an aqueous solution of alkali metal hydroxide.
GB1538032A (en) Process for preparing an aqueous solution or slurry of surfactants having a high concentration
GT197745588A (es) Procedimiento para la produccion de niquel de alta pureza patiendo de minerales oxidados
ES2046797T3 (es) Produccion de acido glioxilico mediante oxidacion enzimatica de acido glicolico.
GB778258A (en) Improvements in the manufacture and production of artificial filaments, threads, bands and the like
DE3662027D1 (en) Process for the recovery of sulphur dioxide from gas flows
FR2385800A1 (fr) Procede de pelanage sans chaux ni sulfure
FI946084A0 (fi) Menetelmä alkalimetallihydroksidin valmistamiseksi
ES2041216A1 (es) Procedimiento de preparacion de un nuevo derivado sulfatado de diosmina.
GB1411185A (en) Method for the manufacture of alkali metal hydrosulphites
GB1041414A (en) Improvements relating to the manufacture of cyclamates
GB1451554A (en) Process for purifying fumes and gases and for producing sulphuric acid from the sulphuretted compounds extracted from the said fumes and from the said gases
GB1043685A (en) Process for the production of ª‡-naphthalene sulphonic acid
GB1461785A (en) Alkali metal dithionite manufacture
GB1317870A (en) Method of producing 4,4-dimethyl-dioxane-1,3
GB1172237A (en) Process for the Manufacture of Delta<14>-3,20-Diketo-21-Acyloxy Steroids
GB991527A (en) Process for the preparation of 2:9-dimethyl-quinacridine-7:14-dione

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee