FR3034318A1 - METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD - Google Patents

METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD Download PDF

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Publication number
FR3034318A1
FR3034318A1 FR1502348A FR1502348A FR3034318A1 FR 3034318 A1 FR3034318 A1 FR 3034318A1 FR 1502348 A FR1502348 A FR 1502348A FR 1502348 A FR1502348 A FR 1502348A FR 3034318 A1 FR3034318 A1 FR 3034318A1
Authority
FR
France
Prior art keywords
mold
thermoplastic material
injection molding
manufacturing
hollow body
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.)
Pending
Application number
FR1502348A
Other languages
French (fr)
Inventor
Freddy Dugachard
Dominique Lesquir
Romain Blondeau
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.)
B Braun Medical SAS
Original Assignee
B Braun Medical SAS
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 B Braun Medical SAS filed Critical B Braun Medical SAS
Publication of FR3034318A1 publication Critical patent/FR3034318A1/en
Pending 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0009—Making of catheters or other medical or surgical tubes
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/261—Moulds having tubular mould cavities
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C2045/5695—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding using a movable mould part for continuously increasing the volume of the mould cavity to its final dimension during the whole injection step
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2681—Moulds with rotatable mould parts
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • 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
    • B29L2031/7542—Catheters

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un corps creux allongé, notamment d'un cathéter urinaire, par moulage par injection d'un matériau thermoplastique dans un moule. Le but de la présente invention consiste à proposer un tel procédé permettant une bonne répartition du matériau à l'intérieur du moule, rendant un ébavurage du corps de moule inutile et facilitant le démoulage du corps de la moule. Selon l'invention, ce but est atteint par un procédé comportant les étapes : - mise à disposition d'un moule 1 avec une cavité 2 allongée, orientée le long d'un axe longitudinal A, qui présente une extrémité proximale ouverte 3 et une extrémité distale fermée 4 ; - mise à disposition d'une broche 6 à proximité de l'extrémité proximale 3 du moule 1, mobile le long de l'axe longitudinal A du moule 1 ; - injection d'un matériau thermoplastique à l'état plastique dans la région de l'extrémité proximale 3 du moule 1 ; - déplacement de la broche 6 dans la direction de l'extrémité distale 4 du moule 1.The present invention relates to a method of manufacturing an elongated hollow body, in particular a urinary catheter, by injection molding a thermoplastic material in a mold. The object of the present invention is to provide such a method for a good distribution of the material inside the mold, making a deburring of the mold body unnecessary and facilitating the demolding of the body of the mold. According to the invention, this object is achieved by a method comprising the steps of: providing a mold 1 with an elongated cavity 2, oriented along a longitudinal axis A, which has an open proximal end 3 and a closed distal end 4; - Provision of a pin 6 near the proximal end 3 of the mold 1, movable along the longitudinal axis A of the mold 1; injecting a thermoplastic material in the plastic state into the region of the proximal end 3 of the mold 1; displacement of the pin 6 in the direction of the distal end 4 of the mold 1.

FR1502348A 2015-04-01 2015-11-06 METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD Pending FR3034318A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1500656A FR3034342A1 (en) 2015-04-01 2015-04-01 METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD

Publications (1)

Publication Number Publication Date
FR3034318A1 true FR3034318A1 (en) 2016-10-07

Family

ID=56555408

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1500656A Pending FR3034342A1 (en) 2015-04-01 2015-04-01 METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD
FR1502348A Pending FR3034318A1 (en) 2015-04-01 2015-11-06 METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1500656A Pending FR3034342A1 (en) 2015-04-01 2015-04-01 METHOD FOR MANUFACTURING AN EXTENDED HOLLOW BODY, IN PARTICULAR AN URINARY CATHETER, BY INJECTION MOLDING A THERMOPLASTIC MATERIAL IN A MOLD

Country Status (1)

Country Link
FR (2) FR3034342A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018210391A1 (en) * 2017-05-16 2018-11-22 Coloplast A/S A method and an apparatus for injection moulding of a urinary catheter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3551418A1 (en) * 2016-09-30 2019-10-16 B.Braun Medical SAS Method for manufacturing an elongated hollow body, in particular a urinary catheter, by injection moulding a thermoplastic material in a mould

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018210391A1 (en) * 2017-05-16 2018-11-22 Coloplast A/S A method and an apparatus for injection moulding of a urinary catheter
CN110621469A (en) * 2017-05-16 2019-12-27 科洛普拉斯特公司 Method and apparatus for injection molding of urinary catheters
CN110621469B (en) * 2017-05-16 2021-12-07 科洛普拉斯特公司 Method and apparatus for injection molding of urinary catheters
US11376394B2 (en) 2017-05-16 2022-07-05 Coloplast A/S Method of forming a urinary catheter

Also Published As

Publication number Publication date
FR3034342A1 (en) 2016-10-07

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