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Rotating stent delivery system for side branch access and protection and method of using same

Info

Publication number
CA2457860A1
CA2457860A1 CA 2457860 CA2457860A CA2457860A1 CA 2457860 A1 CA2457860 A1 CA 2457860A1 CA 2457860 CA2457860 CA 2457860 CA 2457860 A CA2457860 A CA 2457860A CA 2457860 A1 CA2457860 A1 CA 2457860A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
member
tubular
assembly
guide
proximal
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
CA 2457860
Other languages
French (fr)
Other versions
CA2457860C (en )
Inventor
Darrel C. Gumm
Original Assignee
Darrel C. Gumm
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

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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/856Single tubular stent with a side portal passage
    • 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/954Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
    • 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/958Inflatable balloons for placing stents or stent-grafts
    • 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2002/821Ostial stents
    • 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
    • A61M25/10Balloon catheters
    • A61M2025/1043Balloon catheters with special features or adapted for special applications
    • A61M2025/1045Balloon catheters with special features or adapted for special applications for treating bifurcations, e.g. balloons in y-configuration, separate balloons or special features of the catheter for treating bifurcations
    • 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
    • A61M25/10Balloon catheters
    • A61M2025/1043Balloon catheters with special features or adapted for special applications
    • A61M2025/1056Balloon catheters with special features or adapted for special applications having guide wire lumens outside the main shaft, i.e. the guide wire lumen is within or on the surface of the balloon

Abstract

A catheter assembly and method of use comprises advancing a catheter having a rotatably mounted balloon (28,28') relative to the primary guide wire (12,12') to a vessel bifurcation along first and second guide wires (62).

Claims (51)

1. A catheter assembly comprising:
an elongate guide member, the elongate guide member extending from a proximal end to a distal end of the catheter assembly;
a tubular member disposed about a portion of the elongate guide member, the tubular member rotatable about the elongate guide member;
an expandable medical balloon having a proximal end and a distal end, the medical balloon disposed about at least a portion of the tubular member, the proximal end and the distal end of the medical balloon fixedly engaged to the tubular member; and a proximal shaft member, the proximal shaft member disposed about a portion of the elongate guide member, the proximal shaft member having a distal end region, the distal end region being disposed about a proximal end region of the tubular member, the tubular member passively rotatable relative to the proximal shaft.
2. The catheter assembly of claim 1 wherein the tubular member defines an inflation port, the inflation port constructed and arranged to transmit an inflation media to and from the medical balloon from and to the proximal end of the catheter assembly.
3. The catheter assembly of claim 1 wherein the distal end region of the proximal shaft member is sealingly engaged to the proximal end region of the tubular member.
4. The catheter assembly of claim 1 wherein the proximal end region of the tubular member comprises a first bushing and the distal end region of the proximal shaft member comprises a second bushing, the first bushing engaged to the second bushing to form a fluid tight seal between the proximal end region of the tubular member and the distal end region of the proximal shaft member.
5. The catheter assembly of claim 4 wherein the proximal end region of the tubular member further comprises a third bushing, the second bushing positioned between the first bushing and the second bushing.
6. The catheter assembly of claim 3 further comprising a first annular seal, the first annular seal extending from the distal end region of the proximal shaft member to the proximal end region of the tubular member.
7. The catheter assembly of claim 6 wherein the first annular seal tapers from a first end engaged to the distal end region of the proximal shaft member to a narrower second end engaged to the tubular member.
8. The catheter assembly of claim 7 further comprising a second annular seal, the second annular seal extending from the distal end region of the proximal shaft member to the proximal end region of the tubular member, the second annular seal being positioned proximal to the first annular seal.
9. The catheter assembly of claim 8 further comprising a third annular seal, the third annular seal extending from the proximal end region of the tubular member to the elongate guide member.
10. The catheter assembly of claim 9 wherein the third annular seal tapers from a first end engaged to the proximal end region of the tubular member to a narrower second end engaged to the elongate guide member.
11. The catheter assembly of claim 1 wherein a proximal end region of the tubular member is sealingly engaged to the elongate guide member.
12. The catheter assembly of claim 11 further comprising a third annular seal, the third annular seal extending from the proximal end region of the tubular member to the elongate guide member.
13. The catheter assembly of claim 1 further comprising an expandable and implantable medical device, the expandable and implantable medical device being removably disposed about at least a portion of the medical balloon.
14. A catheter assembly comprising:
an elongate guide member, the elongate guide member extending from a proximal end to a distal end of the catheter assembly;
a tubular member disposed about a portion the elongate guide member, the tubular member rotatable about the elongate guide member;
a medical balloon having a proximal end and a distal end, the medical balloon disposed about at least a portion of the tubular member, the proximal end and the distal end of the medical balloon fixedly engaged to the tubular member; and
15 a proximal shaft member, the proximal shaft member disposed about a portion of the elongate guide member, the proximal shaft member having a distal end region, the distal end region of the proximal shaft member being disposed about a proximal end region of the tubular member, the distal end region of the proximal shaft member and the proximal end region of the tubular member forming a fluid tight seal therebetween, the tubular member being passively rotatable relative to the proximal shaft member.

15. The catheter assembly of claim 14 further comprising a stent, the stent being disposed about at least a portion of the medical balloon, the stent being expanded from a reduced state to an expanded state when the medical balloon is expanded.
16. A catheter assembly comprising:
an elongate guide member, the elongate guide member extending from a proximal end to a distal end of the catheter assembly;
an inner tubular member, the inner tubular member disposed about a portion of the elongate guide member;
an outer tubular member, the outer tubular member disposed about at least a portion of the inner tubular member;
a proximal rotatable member and a distal rotatable member, the proximal rotatable member being disposed about a proximal portion of the outer tubular member, the distal rotatable member being disposed about at least one of the distal portion of the inner tubular member and the distal portion of the outer tubular member, the proximal rotatable member forming a slidable and rotatable fluid seal with the proximal portion of the outer tubular member and the distal rotating member forming a slidable and rotatable fluid seal with the at least one of the distal portion of the inner tubular member and the distal portion of the outer tubular member; and a medical balloon expandable between a first state and a second state, the medical balloon having a proximal end and a distal end, the proximal end of the medical balloon being engaged to the proximal rotatable member and the distal end of the medical balloon being engaged to the distal rotatable member.
17. The catheter assembly of claim 16 wherein the proximal portion of the outer tubular member and the inner tubular member define a space, the space defining an inflation lumen.
18. The catheter assembly of claim 17 wherein at least a portion of the outer tubular member underlying the medical balloon defines at least one inflation port, the at least one inflation port in fluid communication with the inflation lumen.
19. The catheter assembly of claim 16 wherein the distal rotatable member is disposed about the distal portion of the outer tubular member.
20. The catheter assembly of claim 19 wherein the distal portion of the outer tubular member is sealingly engaged to the distal portion of the inner tubular member.
21. The catheter assembly of claim 16 further comprising a proximal stop member and a distal stop member, the proximal stop member being fixedly engaged to the proximal portion of the outer tubular member, the distal stop member being fixedly engaged to at least one of the distal portion of the inner tubular member and the distal portion of the outer tubular member.
22. The catheter assembly of claim 21 wherein the proximal stop member is positioned proximally adjacent to the proximal rotatable member and the distal stop member is positioned distally adjacent to the distal rotatable member.
23. The catheter assembly of claim 22 wherein when the medical balloon is expanded from the first position to the second position the proximal rotatable member is moved longitudinally to engage the proximal stop member and distal rotatable member is moved distally to engage the distal stop member
24. The catheter assembly of claim 16 further comprising a secondary tubular member, the secondary tubular member being engaged to an external surface of the medical balloon.
25. The catheter assembly of claim 24 wherein the secondary tubular member has an open position and a closed position, in the closed position the secondary tubular member defining a substantially hollow interior open at both ends, the substantially hollow interior defining secondary lumen, the secondary lumen constructed and arranged to receive a secondary elongate guide member therethrough, in the open position the secondary tubular member defines a longitudinal opening that exposes the secondary lumen thereby releasing the secondary elongate guide member from the secondary tubular member.
26. The catheter assembly of claim 25 wherein the secondary tubular member is disposed about a secondary elongate guide member, the secondary tubular member being moveable relative to the secondary elongate guide member.
27. The catheter assembly of claim 26 further comprising a stent, the stent comprising a substantially hollow tubular member having a plurality of openings therethrough, the stent being disposed about at least a portion of the medical balloon when the stent is in the unexpended position, the stent being expandable from the unexpended position to an expanded position, the stent being in the unexpended position when the balloon is in the first state, the stent being in the expanded position when the medical balloon is in the second state.
28. The catheter assembly of claim 27 wherein the stent is selected from the group consisting of a balloon expandable stent, a self-expanding stent and any combination thereof.
29. The catheter assembly of claim 26 wherein the secondary tubular member is positioned between at least a portion of the stent and the medical balloon.
30. The catheter assembly of claim 29 wherein the secondary elongate guide member exits the secondary tubular member and passes through one of the plurality of openings through the substantially hollow tubular member of the stent.
31. A method of placing a stent at a bifurcation comprising the steps of:
advancing a first guide wire through a body lumen to a first branch of a vessel bifurcation;
advancing a second guide wire through the body lumen to a second branch of the vessel bifurcation;
advancing a catheter assembly to the vessel bifurcation along the first guide wire and a second guide wire, the catheter assembly comprising:
a medical balloon disposed about the first guide wire, the medical balloon being freely rotatable about the first guide wire, a tubular member engaged to an external surface of the medical balloon, the tubular member being disposed about the second guide wire, and a stent, the stent being disposed about at least a portion of the medical balloon and the tubular member, the second guide wire passing through at least one opening defined by the stent.
32. A delivery assembly for precisely positioning a stent at a bifurcated passage, the assembly comprising:
a first guide wire adapted for receipt into a passage;
a side branch guide wire adapted for receipt into a side branch passage; and a stent assembly carried by the first guide wire and operatively associated with the side branch guide wire, the assembly having proximal and distal ends, selectively rotatable relative to the first guide wire whereby the side branch guide wire is properly positioned in the side branch passage.
33. The delivery assembly of claim 32 further comprising an inner hollow member receiving the first guide wire therethrough.
34. The delivery assembly of claim 33 further comprising a balloon received on the inner hollow member for deploying the stent assembly.
35. The delivery assembly of claim 34 wherein the balloon rotates relative to the inner hollow member.
36. The delivery assembly of claim 34 wherein the inner hollow member has an opening that operatively communicates with an interior of the balloon.
37. The delivery assembly of claim 33 further comprising first and second fixed members disposed in axially spaced relation on the inner member.
38. The delivery assembly of claim 37 further comprising a balloon axially received between the fixed members.
39. The delivery assembly of claim 33 further comprising first and second rotatable members received on the inner hollow member, the rotatable members secured to first and second ends of a balloon to permit selective rotation of the balloon and passively orient the side branch guide wire in the side branch passage.
40. The delivery assembly of claim 39 wherein the inner hollow member forms a fluid passage that conveys fluid to the balloon.
41. The delivery assembly of claim 32 further comprising a carrier for the side branch guide wire carried on the balloon.
42. The delivery assembly of claim 41 wherein the carrier includes a longitudinal slit that selectively opens in response to inflation of the balloon for releasing the side branch guide wire.
43. A method of delivering a stent to a stenosed bifurcated passage comprising the steps of:
inserting a main guide wire, balloon, and stent in a passage;
inserting a side branch guide wire at a side branch passage; and allowing the stent to rotate relative to the main guide wire to properly orient same.
44. The delivery method of claim 43 comprising inflating a balloon to deploy the stent.
45. The delivery method of claim 44 further comprising releasing the side branch guide wire in response to inflating the balloon.
46. The assembly of claim 45 wherein the releasing step includes opening a side tube secured to the balloon to release the side branch guide wire.
47. A stent delivery assembly for a bifurcated passage comprising:
a first guide wire for receipt in a main branch of the bifurcated passage;
a second guide wire for receipt in a side branch of the bifurcated passage; and a stent carried by the first guide wire and operatively associated with the second guide wire, the stent rotatably mounted relative to the first guide wire so that insertion of the second guide wire into the side branch properly orients the stent.
48. The assembly of claim 47 farther comprising a balloon rotatably received on the first guide wire.
49. The assembly of claim 49 further comprising first and second rotating members received over the first guide wire and receiving corresponding first and second ends of the balloon to permit selective rotation of the balloon and passively orient the side branch guide wire via the side branch passage.
50. The assembly of claim 48 wherein the stent is self-expanding.
51. The assembly of claim 47 further comprising a balloon rotatably received on the fast guide wire for selectively expanding the stent and a side branch guide wire Carrier.
CA 2457860 2001-08-23 2002-08-22 Rotating stent delivery system for side branch access and protection and method of using same Active CA2457860C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US31446701 true 2001-08-23 2001-08-23
US60/314,467 2001-08-23
PCT/US2002/026736 WO2003017872A9 (en) 2001-08-23 2002-08-22 Rotating stent delivery system for side branch access and protection and method of using same.

Publications (2)

Publication Number Publication Date
CA2457860A1 true true CA2457860A1 (en) 2003-03-06
CA2457860C CA2457860C (en) 2010-03-16

Family

ID=23220060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2457860 Active CA2457860C (en) 2001-08-23 2002-08-22 Rotating stent delivery system for side branch access and protection and method of using same

Country Status (7)

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US (2) US7563270B2 (en)
JP (1) JP4460289B2 (en)
CA (1) CA2457860C (en)
DE (1) DE60229852D1 (en)
EP (1) EP1418863B1 (en)
ES (1) ES2319621T3 (en)
WO (1) WO2003017872A9 (en)

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