CA2486176A1 - Guidewire with encapsulated marker - Google Patents

Guidewire with encapsulated marker Download PDF

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Publication number
CA2486176A1
CA2486176A1 CA002486176A CA2486176A CA2486176A1 CA 2486176 A1 CA2486176 A1 CA 2486176A1 CA 002486176 A CA002486176 A CA 002486176A CA 2486176 A CA2486176 A CA 2486176A CA 2486176 A1 CA2486176 A1 CA 2486176A1
Authority
CA
Canada
Prior art keywords
guidewire
accordance
marker member
marker
layer
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
CA002486176A
Other languages
French (fr)
Other versions
CA2486176C (en
Inventor
Timothy G. J. Ehr
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.)
Boston Scientific Ltd Barbados
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
Application filed by Individual filed Critical Individual
Publication of CA2486176A1 publication Critical patent/CA2486176A1/en
Application granted granted Critical
Publication of CA2486176C publication Critical patent/CA2486176C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • A61M2025/09166—Guide wires having radio-opaque features

Abstract

A guidewire having a marker member and method of manufacturing the same. In some embodiments, the invention includes a marker member disposed around the longitudinal axis of an elongate shaft and embedded within an outer sheath.< /SDOAB>

Claims (39)

1. A guidewire, comprising:
an elongate shaft having a proximal end, a distal end, and a longitudinal axis;
a polymeric sheath disposed over at least a portion of the shaft;
a marker member disposed about at least a portion of the longitudinal axis and encapsulated within the sheath, the marker member having a proximal end and a distal end.
2. The guidewire in accordance with claim 1, wherein the shaft is tapered near the distal end.
3. The guidewire in accordance with claim 1, wherein the proximal end of the marker member is disposed distally of the distal end of the shaft.
4. The guidewire in accordance with claim 1, wherein the distal end of the marker member is disposed proximally of the distal end of the shaft.
5. The guidewire in accordance with claim 1, wherein the distal end of the marker member is disposed distally of the distal end of the shaft and the proximal end of the marker member is disposed proximally of the distal end of the shaft.
6. The guidewire in accordance with claim 1, wherein the polymeric sheath comprises polyurethane.
7. The guidewire in accordance with claim 1, wherein the polymeric sheath includes a first layer and a second layer and wherein the marker member is embedded between the first layer and the second layer.
8. The guidewire in accordance with claim 7, wherein the first layer and the second layer comprise the same material.
9. The guidewire in accordance with claim 7, wherein the first layer and the second layer are integrally joined by a seamless connection.
10. The guidewire in accordance with claim 1, wherein the marker member surrounds a portion of the longitudinal axis.
11. The guidewire in accordance with claim 1, wherein the marker member is a tubular structure.
12. The guidewire in accordance with claim 1, wherein the marker member comprises a radiopaque marker band.
13. The guidewire in accordance with claim 1, wherein the marker member comprises a radiopaque coil.
14. The guidewire in accordance with claim 1, further comprising a second marker member disposed around the longitudinal axis of the shaft and encapsulated within the sheath.
15. The guidewire in accordance with claim 1, wherein the encapsulation of the marker member within the sheath is the sole mechanism by which the markei-member is attached to the guidewire.
16. A guidewire, comprising:
an elongate core wire having a proximal end and a distal end;
a polymeric sheath disposed over at least a portion of the core wire; and a marker member embedded within the sheath, the marker member being disposed near the distal end of the core wire.
17. The guidewire in accordance with claim 16, wherein the marker member is disposed around a portion of the core wire.
18. The guidewire in accordance with claim 16, wherein at least a portion of the marker member is disposed distally of the distal end of the core wire.
19. The guidewire in accordance with claim 16, wherein the marker member comprises a radiopaque marker band.
20. The guidewire in accordance with claim 16, wherein the marker member comprises a radiopaque coil.
21. The guidewire in accordance with claim 16, wherein the polymeric sheath comprises polyurethane.
22. A method of manufacturing a guidewire, comprising:
providing an elongate shaft having a proximal end and a distal end;
disposing a first polymeric layer over at least a portion of the shaft;
disposing a marker member around at least a portion of the first polymeric layer; and disposing a second polymeric layer over the first polymeric layer and the marker such that the marker is embedded within the polymeric layers.
23. The method in accordance with claim 22, wherein the marker member is a tubular structure.
24. The method in accordance with claim 22, wherein the marker member comprises a radiopaque marker band.
25. The method in accordance with claim 22, wherein the marker member comprises a radiopaque coil.
26. The method in accordance with claim 22, wherein at least a portion of the marker member is disposed at a location along the first polymeric layer that is distal of the distal end of the shaft.
27. The method in accordance with claim 22, wherein at least a portion of the marker member is disposed at a location along the first polymeric layer that is proximal of the distal end of the shaft.
28. The method in accordance with claim 22, wherein the embedding of the marker member within the polymer layers is the sole mechanism by which the marker member is attached to the guidewire.
29. The method in accordance with claim 22, wherein the step of disposing a second polymeric layer over the first polymeric layer and the marker includes blending the first polymeric layer and the second polymeric layer to form a seamlessly joined single layer.
30. The method in accordance with claim 22, further comprising the step of processing the guidewire so that the first layer and the second layer seamlessly blend to become a single layer.
31. The method in accordance with claim 30, wherein the processing step is performed through thermal processing.
32. The method in accordance with claim 22, wherein the first layer and the second layer are made of the same polymer.
33. A method of manufacturing a guidewire, comprising:
providing an elongate core wire having a proximal end and a distal end;
disposing a first polymeric layer over at least a portion of the core wire;
disposing a marker member around at least a portion of the first polymeric layer near the distal end of the core wire;
disposing a second polymeric layer over the first polymeric layer and the marker; and blending the first polymeric layer and the second polymeric layer to form a seamlessly joined single layer that encapsulates the marker member.
34. A guidewire, comprising:
an elongate core wire having a proximal end, a distal end, and a longitudinal axis;
a polymeric sheath disposed over the core wire;
means for visualizing the core wire encapsulated within the polymeric sheath.
35. A guidewire, comprising:
an elongate shaft having a proximal end and a distal end;
an outer sheath disposed over the shaft; and a marker member disposed within the sheath such that the outer sheath surrounds the marker member on all sides thereof.
36. A guidewire, comprising:
an elongate core wire having a proximal end, a distal end, and a longitudinal axis;
a tubular marker member disposed around the longitudinal axis of the core wire, the marker member having an interior face and an exterior face;
an outer polymeric sheath disposed over the core wire, the sheath having a first portion and a second portion; and wherein the marker member is encapsulated within the sheath such that the first portion of the sheath is disposed between the interior face of the marker member and the core wire and the second portion of the sheath is disposed near the exterior face of the marker member.
37. The guidewire in accordance with claim 36, wherein the marker member comprises a radiopaque marker band.
38. The guidewire in accordance with claim 36, wherein the marker member comprises a radiopaque coil.
39. The guidewire in accordance with claim 36, wherein the sheath is comprised of polyurethane.
CA2486176A 2002-05-21 2003-04-30 Guidewire with encapsulated marker Expired - Fee Related CA2486176C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/152,435 US7022086B2 (en) 2002-05-21 2002-05-21 Guidewire with encapsulated marker
US10/152,435 2002-05-21
PCT/US2003/013393 WO2003099371A1 (en) 2002-05-21 2003-04-30 Guidewire with encapsulated marker

Publications (2)

Publication Number Publication Date
CA2486176A1 true CA2486176A1 (en) 2003-12-04
CA2486176C CA2486176C (en) 2012-02-21

Family

ID=29582063

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2486176A Expired - Fee Related CA2486176C (en) 2002-05-21 2003-04-30 Guidewire with encapsulated marker

Country Status (8)

Country Link
US (1) US7022086B2 (en)
EP (1) EP1509274B1 (en)
JP (1) JP4384029B2 (en)
AT (1) ATE465770T1 (en)
AU (1) AU2003237133A1 (en)
CA (1) CA2486176C (en)
DE (1) DE60332342D1 (en)
WO (1) WO2003099371A1 (en)

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Also Published As

Publication number Publication date
US20040225231A1 (en) 2004-11-11
EP1509274A1 (en) 2005-03-02
EP1509274B1 (en) 2010-04-28
WO2003099371A1 (en) 2003-12-04
AU2003237133A1 (en) 2003-12-12
US7022086B2 (en) 2006-04-04
JP4384029B2 (en) 2009-12-16
DE60332342D1 (en) 2010-06-10
CA2486176C (en) 2012-02-21
ATE465770T1 (en) 2010-05-15
JP2005525916A (en) 2005-09-02

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Effective date: 20160502