CA2451364A1 - A method of producing a catheter and a catheter - Google Patents

A method of producing a catheter and a catheter Download PDF

Info

Publication number
CA2451364A1
CA2451364A1 CA002451364A CA2451364A CA2451364A1 CA 2451364 A1 CA2451364 A1 CA 2451364A1 CA 002451364 A CA002451364 A CA 002451364A CA 2451364 A CA2451364 A CA 2451364A CA 2451364 A1 CA2451364 A1 CA 2451364A1
Authority
CA
Canada
Prior art keywords
catheter
materials
catheter according
tip
different
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.)
Granted
Application number
CA002451364A
Other languages
French (fr)
Other versions
CA2451364C (en
Inventor
Allan Tanghoj
Lars Bogelund Jensen
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.)
Coloplast AS
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43971015&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2451364(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/893,514 external-priority patent/US20030004496A1/en
Priority claimed from DK200101041A external-priority patent/DK200101041A/en
Priority claimed from US10/026,819 external-priority patent/US7311698B2/en
Application filed by Individual filed Critical Individual
Publication of CA2451364A1 publication Critical patent/CA2451364A1/en
Application granted granted Critical
Publication of CA2451364C publication Critical patent/CA2451364C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F5/00Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F5/00Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/44Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
    • A61F5/4404Details or parts
    • A61F5/4405Valves or valve arrangements specially adapted therefor ; Fluid inlets or outlets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0009Making of catheters or other medical or surgical tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0009Making of catheters or other medical or surgical tubes
    • A61M25/0015Making lateral openings in a catheter tube, e.g. holes, slits, ports, piercings of guidewire ports; Methods for processing the holes, e.g. smoothing the edges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0017Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/002Packages specially adapted therefor ; catheter kit packages
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0111Aseptic insertion devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • 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
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0045Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • A61M2025/0046Coatings for improving slidability
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/221Frangible or pierceable closures within tubing
    • A61M2039/222Frangible or pierceable closures within tubing frangible within tubing or bags
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • 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
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1676Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0092Other properties hydrophilic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/753Medical equipment; Accessories therefor
    • B29L2031/7542Catheters

Abstract

The present invention is a method of producing a medical catheter having a catheter body part and a catheter tip in one integrated part by injection moulding and a catheter produced by the method. The invention is in particul ar concerned with the use of multicomponent moulding technique for producing a catheter, e.g. a catheter made from two materials with different characteristics. Such a catheter may be used for urinary catheterisation and for similar purposes of draining a bodily fluid.

Claims (21)

1. A method for producing a catheter with parts having different characteristics, said method comprising the steps of:
- injecting at least two different fluid catheter materials into a mould formed to define an insertable catheter tip and a catheter body in one part, and subsequently - solidifying the material therein.
2. A method according to claim 1, wherein the catheter material is injected into the mould in more than one injection cycle.
3. A method according to claim 2, wherein catheter materials with different characteristics are in injected in each injection cycle.
4. A method according to claim 3, wherein the characteristics relates to the softness of the material after solidification.
5. A method according to claim 3 or 4, wherein the characteristics relates to the colour of the material.
6. A method according to any of claims 3-5, wherein the characteristics relates to the strength of the material.
7. A method according to any of claims 3-6, wherein the characteristics relates to the slipperiness of the material after solidification.
8. A method according to any of claims 3-7, wherein the characteristics relates to the ability of the solidified material to absorb liquid substances.
9. An injection moulded catheter with a tip, and with parts having different characteristics, said catheter comprising at least two different catheter materials solidified in a mould.
10. A catheter according to claim 9, comprising connection means in one part with the catheter body and the tip for connection of the catheter to a place of disposal.
11. A catheter according to any of claims 9-10, comprising means for attaching the catheter to peripheral articles in one part with the catheter body and/or the connector.
12. A catheter according to any of claims 9-11, comprising means for handling the catheter during the insertion.
13. A catheter according to any of claims 9-12, comprising a reservoir for collecting bodily fluids.
14. A catheter according to any of claims 9-13, comprising means for fixating the catheter in a bodily cavity.
15. A catheter according to any of claims 9-14, wherein the characteristics of one of the materials makes the material more slippery during insertion into a body canal than the other material.
16. A catheter according to claim 9 or 15, wherein the characteristics of one of the materials makes the material softer than the other material.
17. A catheter according to any of claims 9-16, wherein the characteristics of one of the materials makes the material more easy to detect on an x-ray or an ultrasonic image than the other material.
18. A catheter according to any of claims 9-17, wherein at least one of the materials is selected from the group consisting of: thermoplastic elastomeric materials, other thermoplastic materials, curable elastomeric materials,polyamide resins or elastomers or any mixture thereof.
19. A catheter according to any of claims 9-18, wherein at least one of the materials is a hydrophobic polymer material.
20. A catheter according to any of claims 9-19, wherein at east one of the materials is a hydrophilic polymer material.
21. A catheter according to any of claims 15-20, wherein the material which is more slipper, forms an outer surface of an insertable part of the catheter.
CA2451364A 2001-06-29 2002-06-28 A method of producing a catheter and a catheter Expired - Fee Related CA2451364C (en)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
DKPA200101041 2001-06-29
US09/893,514 US20030004496A1 (en) 2001-06-29 2001-06-29 Urinary catheter divided into catheter sections and a catheter package
US09/893,514 2001-06-29
DK200101041A DK200101041A (en) 2001-06-29 2001-06-29 Bendable catheter for draining bodily fluids has flexible elongated tube with inner cross-sectional shape and size defining first conduit for draining urine, and support to support the tube against collapsing during bending
DKPA200101386 2001-09-24
DKPA200101386 2001-09-24
DKPA200101869 2001-12-13
DKPA200101870 2001-12-13
DKPA200101869 2001-12-13
DKPA200101870 2001-12-13
US10/026,819 2001-12-27
US10/026,819 US7311698B2 (en) 2001-09-24 2001-12-27 Urinary catheter assembly allowing for non-contaminated insertion of the catheter into a urinary canal
DKPA200200570 2002-04-17
DKPA200200569 2002-04-17
DKPA200200569 2002-04-17
DKPA200200570 2002-04-17
DKPA200200895 2002-06-13
DKPA200200895 2002-06-13
PCT/DK2002/000451 WO2003002325A2 (en) 2001-06-29 2002-06-28 A method of producing a catheter and a catheter

Publications (2)

Publication Number Publication Date
CA2451364A1 true CA2451364A1 (en) 2003-01-09
CA2451364C CA2451364C (en) 2010-12-14

Family

ID=43971015

Family Applications (7)

Application Number Title Priority Date Filing Date
CA2451364A Expired - Fee Related CA2451364C (en) 2001-06-29 2002-06-28 A method of producing a catheter and a catheter
CA002689790A Abandoned CA2689790A1 (en) 2001-06-29 2002-06-28 A catheter assembly
CA2451349A Expired - Fee Related CA2451349C (en) 2001-06-29 2002-06-28 A catheter assembly
CA2713275A Abandoned CA2713275A1 (en) 2001-06-29 2002-06-28 A catheter assembly
CA2448821A Expired - Fee Related CA2448821C (en) 2001-06-29 2002-06-28 A catheter assembly
CA2451356A Expired - Fee Related CA2451356C (en) 2001-06-29 2002-06-28 A catheter device
CA002451344A Abandoned CA2451344A1 (en) 2001-06-29 2002-06-28 A bag for collection of bodily fluids

Family Applications After (6)

Application Number Title Priority Date Filing Date
CA002689790A Abandoned CA2689790A1 (en) 2001-06-29 2002-06-28 A catheter assembly
CA2451349A Expired - Fee Related CA2451349C (en) 2001-06-29 2002-06-28 A catheter assembly
CA2713275A Abandoned CA2713275A1 (en) 2001-06-29 2002-06-28 A catheter assembly
CA2448821A Expired - Fee Related CA2448821C (en) 2001-06-29 2002-06-28 A catheter assembly
CA2451356A Expired - Fee Related CA2451356C (en) 2001-06-29 2002-06-28 A catheter device
CA002451344A Abandoned CA2451344A1 (en) 2001-06-29 2002-06-28 A bag for collection of bodily fluids

Country Status (12)

Country Link
US (5) US20040254562A1 (en)
EP (13) EP1941927B1 (en)
JP (9) JP4402453B2 (en)
CN (5) CN1522130A (en)
AT (4) ATE388732T1 (en)
AU (5) AU2002319114B2 (en)
CA (7) CA2451364C (en)
DE (4) DE60207093T3 (en)
DK (6) DK1404403T4 (en)
ES (3) ES2327216T5 (en)
HU (5) HU227350B1 (en)
WO (5) WO2003002177A2 (en)

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