GB1086822A - Improvements in or relating to catheters - Google Patents

Improvements in or relating to catheters

Info

Publication number
GB1086822A
GB1086822A GB32686/66A GB3268666A GB1086822A GB 1086822 A GB1086822 A GB 1086822A GB 32686/66 A GB32686/66 A GB 32686/66A GB 3268666 A GB3268666 A GB 3268666A GB 1086822 A GB1086822 A GB 1086822A
Authority
GB
United Kingdom
Prior art keywords
catheter
reinforcement
strands
proximal end
towards
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
GB32686/66A
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.)
Edwards Laboratories Inc
Original Assignee
Edwards Laboratories Inc
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 Edwards Laboratories Inc filed Critical Edwards Laboratories Inc
Publication of GB1086822A publication Critical patent/GB1086822A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M25/09041—Mechanisms for insertion of guide wires
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • 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
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09175—Guide wires having specific characteristics at the distal tip
    • 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
    • A61M25/0012—Making of catheters or other medical or surgical tubes with embedded structures, e.g. coils, braids, meshes, strands or radiopaque coils

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Materials For Medical Uses (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

A catheter of silicone rubber or polyvinyl chloride material includes a reinforcement of metal or nylon strands which are spirally wound towards the distal end of the catheter and are there doubled back on themselves and are wound towards the proximal end in the opposite spiral direction so that the catheter has torsional rigidity. As in Figure 1 (not shown), the catheter is provided at the proximal end with a female connecting member (11) for connection to a device such as that claimed in Specification 1,086,821 and has an intermediate portion (17) which tapers towards the distal portion (15). The strands of reinforcement may be braided together and an extra double layer of reinforcement may be provided from the proximal end to the intermediate tapered portion. The catheter may be formed by embedding the reinforcing strands in the material of the catheter and then by curing the catheter in a mould (Figure 5, not shown). Alternatively, the reinforcing strands are wound about a first tube of the plastics material and then a second tube of material is shrunk over the windings. The reinforcement may be omitted p from the distal end portion and this end portion may be moulded of a different, more flexible material to that of the main part of the catheter.
GB32686/66A 1964-01-02 1964-12-31 Improvements in or relating to catheters Expired GB1086822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US335049A US3416531A (en) 1964-01-02 1964-01-02 Catheter

Publications (1)

Publication Number Publication Date
GB1086822A true GB1086822A (en) 1967-10-11

Family

ID=23310042

Family Applications (2)

Application Number Title Priority Date Filing Date
GB53084/64A Expired GB1086821A (en) 1964-01-02 1964-12-31 Improvements in or relating to a catheter
GB32686/66A Expired GB1086822A (en) 1964-01-02 1964-12-31 Improvements in or relating to catheters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB53084/64A Expired GB1086821A (en) 1964-01-02 1964-12-31 Improvements in or relating to a catheter

Country Status (4)

Country Link
US (1) US3416531A (en)
DE (1) DE1491697A1 (en)
FR (1) FR1427931A (en)
GB (2) GB1086821A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4311140A (en) 1976-05-10 1982-01-19 Henry Bridgman Vacuum curet having an improved curetting opening
EP0444728A1 (en) * 1990-02-26 1991-09-04 Cordis Europa N.V. Method and device for manufacturing a catheter with braided sheath

Families Citing this family (237)

* Cited by examiner, † Cited by third party
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GB1086821A (en) 1967-10-11
FR1427931A (en) 1966-02-11
US3416531A (en) 1968-12-17
DE1491697A1 (en) 1969-04-03

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