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Stent

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Publication number
US20100114297A1
US20100114297A1 US12608335 US60833509A US2010114297A1 US 20100114297 A1 US20100114297 A1 US 20100114297A1 US 12608335 US12608335 US 12608335 US 60833509 A US60833509 A US 60833509A US 2010114297 A1 US2010114297 A1 US 2010114297A1
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Prior art keywords
connection
web
stent
webs
invention
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.)
Abandoned
Application number
US12608335
Inventor
Jorge Calisse
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Abbott Laboratories Vascular Enterprises Ltd
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Abbott Laboratories Vascular Enterprises Ltd
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    • 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
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • 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
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/91533Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other characterised by the phase between adjacent bands
    • 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
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • A61F2/91Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
    • A61F2/915Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
    • A61F2002/9155Adjacent bands being connected to each other
    • A61F2002/91558Adjacent bands being connected to each other connected peak to peak
    • 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028Shapes in the form of latin or greek characters
    • A61F2230/0054V-shaped
    • 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0036Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in thickness

Abstract

A stent has a tubular flexible body with a wall formed of a web structure: The web structure has a plurality of neighboring web patterns which include webs arranged side by side. The web patterns are interconnected via at least one connection element. To prevent the connection element from moving out of the plane of the wall during expansion, the connection elements are each provided with connection webs arranged at an angle relative to one another and interconnected via hinges.

Description

    BACKGROUND OF THE INVENTION
  • [0001]
    1. Field of the Invention
  • [0002]
    The present invention generally relates to stents that are implanted into a body vessel. More specifically, the present invention relates to an expandable stent having a tubular flexible body with a wall formed of a web structure.
  • [0003]
    2. Background Information
  • [0004]
    Very different types of stents are already known from the prior art. For example, there are coronary stents such as balloon expanded stents or self-expandable stents. The stent forms a vascular prosthesis made from a physically compatible material. The stent or stent prosthesis is used for expanding blood vessels, or also other body orifices, and for keeping the vessels or orifices in an expanded state. To this end, the stent is normally positioned in a non-expanded state in a patient's body, usually with the help of a balloon catheter onto which the stent is crimped, and is then expanded. During expansion the individual stent portions of the stent are deformed, so that the stent remains in its expanded form in a permanent way.
  • [0005]
    A stent of the type indicated is disclosed in German Utility Model Patent Publication DE-U-297 08 689.8. In this stent, several S-shaped connection elements are provided as connectors between the web patterns of the web structure of the stent wall. Although these connection elements in the non-expanded state result in a very flexible stent construction and, in the expanded state, in a stent construction with a high radial force or radial-force absorbing capacity, improvements are nevertheless possible as it cannot be ruled out all the time that during expansion the connection elements bulge outwards or inwards from the wall plane, whereby the surrounding tissue is slightly injured and the formation of thromboses or restenoses is promoted.
  • [0006]
    In view of the above, it will be apparent to those skilled in the art from this disclosure that there exists a need for an improved stent. This invention addresses this need in the art as well as other needs, which will become apparent to those skilled in the art from this disclosure.
  • SUMMARY OF THE INVENTION
  • [0007]
    It is therefore the object of the present invention to provide a stent, which in the non-expanded state is very flexible and in the case of which it can be prevented during expansion that the connection elements can move out of the wall surface of the stent.
  • [0008]
    This object is achieved by the features of a stent comprising a tubular flexible body with a wall having a web structure that can be transformed from a non-expanded state into an expanded state. The web structure comprises a plurality of neighboring web patterns which include webs arranged side by side, and adjacent pairs of the web patterns being interconnected by at least one connection element. Each of the connection elements comprises three connection webs arranged at an angle relative to one another and interconnected via a pair of hinges.
  • [0009]
    The stent according to the invention yields a very flexible structure during bending and compression. It is possible in a particularly advantageous manner to prevent a situation where upon expansion of the stent the connection elements impair the tissue in the expanded state of the stent, and where the lumen of the stent interior is reduced.
  • [0010]
    The reason for such an advantageous effect must above all be seen in the fact that the connection elements become shorter both during bending (e.g., when the stent is placed in a curved vessel) and during expansion (e.g., during expansion by means of the balloon), which is achieved by the special arrangement of the connection webs of the connection elements with the hinges or joints provided for.
  • [0011]
    The connection webs of the connection elements in the non-expanded or compressed state of the web structure are arranged relative to one another at least approximately, preferably exactly, at a right angle.
  • [0012]
    It is thus possible to make the width of each of the connection webs equal or, in order to achieve an enhanced flexibility, to make the width of the central connection web slightly smaller than the width of the connection webs joining the central web.
  • [0013]
    The connection webs which are connected to the neighboring webs of the web structure are mounted in a particularly preferred embodiment also via hinges.
  • [0014]
    Film hinges are provided as a particularly preferred and particularly simple embodiment for the hinges.
  • [0015]
    Preferably, the stent consists of a biocompatible material which in a particularly preferred embodiment is a nickel-titanium alloy or special steel.
  • [0016]
    These and other objects, features, aspects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a preferred embodiment of the present invention.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0017]
    Referring now to the attached drawings which form a part of this original disclosure:
  • [0018]
    FIG. 1 is a diagrammatically very simplified schematic illustration of the basic shape of the stent according to the present invention;
  • [0019]
    FIG. 2 is an enlarged, partial elevational view of a part of the web structure of the wall of the stent in the non-expanded state according to the present invention;
  • [0020]
    FIG. 3 is a schematic illustration of the connection elements according to the invention for explaining the function of the connection elements;
  • [0021]
    FIG. 4A is a partial diagrammatically illustration, corresponding to FIG. 2, of the arrangement of the stent according to the present invention in a non-expanded state after being inserted into a curved vessel;
  • [0022]
    FIG. 4B is an illustration corresponding to FIG. 2 of the arrangement of the stent according to the present invention in an expanded state within a curved vessel; and
  • [0023]
    FIG. 5 is an enlarged, partial elevational view of a part of a modified connection element that can be used in place of the connection elements of the stent in FIG. 2 according to the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • [0024]
    Selected embodiments of the present invention will now be explained with reference to the drawings. It will be apparent to those skilled in the art from this disclosure that the following descriptions of the embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims and their equivalents.
  • [0025]
    Referring initially to FIG. 1, a stent 1 is diagrammatically illustrated in a very simplified schematic illustration to show the overall general shape of the stent in accordance with a first embodiment of the present invention. FIG. 1 is a front perspective view of the stent 1. The stent 1 basically comprises a flexible tubular body 2 with a tubular wall 3 with a longitudinal direction L and a circumferential direction C. The stent 1 according to the present invention can be designed as a balloon-expandable or self-expandable stent.
  • [0026]
    FIG. 2 shows the basic construction of the wall 3 of the body 2 of the stent 1 according to the present invention. The wall 3 of the body 2 of the stent 1 has a stent web structure 4 which can be transformed from a non-expanded state (compressed) into an expanded state. To this end the stent web structure 4 comprises a plurality of neighboring web patterns, of which only portions of web patterns 5 and 6 are illustrated in FIG. 2 by way of example. The web patterns 5 and 6 are continuous circumferentially extending rings that are axially interconnected by at least one connection element 7, preferably by a plurality of the connection elements 7 as shown. While only two web patterns 5 and 6 are shown, it will be apparent to those skilled in the art from this disclosure that there exists a plurality of web patterns 5 and 6 arranged in an alternating manner with at least one connection element 7 (preferably several connection elements 7) connecting adjacent pairs of the web patterns 5 and 6. In FIG. 2, the web pattern 5 is an end web pattern with the connection elements 7 coupled to only one of its axial sides, while the web pattern 6 is an inner web pattern with the connection elements 7 coupled to both of its axial sides. The right axial side of the web pattern 6 is coupled to a circumferential web pattern (not shown) that is identical to the web pattern 5, except the left axial side of this web pattern (not shown) is interconnected to the web pattern 6 by the connection elements 7.
  • [0027]
    As seen in FIG. 2, the web pattern 5 is formed of a plurality of first webs 8 and a plurality of second webs 9 that are arranged in an alternating manner. Each end the first webs 8 is connected to a corresponding end of one of the second webs 9 by a bend or curved section 12. Likewise, the web pattern 6 is formed of a plurality of first webs 10 and a plurality of second webs 11 that are arranged in an alternating manner. Each end the first webs 10 is connected to a corresponding end of one of the second webs 11 by a bend or curved section 13. Preferably, the web patterns of the wall 3 of the body 2 of the stent 1 alternate with the web patterns 5 and 6 such that every other web pattern look like the web pattern 5 with the web pattern 6 located therebetween and coupled together by the connection elements 7 as shown in FIG. 2.
  • [0028]
    The connection element 7 comprises three connection webs, i.e., a first outer connection web 14, a central connection web 15 and a second outer connection web 16 that are arranged at an angle relative to one another and interconnected via a pair of inner hinges 17 and 18. In particular, the connection elements 14 and 15 are interconnected via the hinge 17, and the connection webs 15 and 16 are interconnected the hinge 18. The outer connection web 14 is further connected via an outer hinge 19 to one of the bends 12, and the second outer connection web 16 via an outer hinge 20 to one of the bends 13, in accordance with the web patterns 5 and 6, respectively.
  • [0029]
    In the particularly preferred embodiment in FIG. 2, the connection webs 14, 15 and 16 are arranged at right angles relative to one another. The hinges 17, 18, 19 and 20 are designed as film hinges which are formed by providing approximately semicircular openings 24, 25, 23 and 26, respectively, in the respective connection webs 14, 15 and 16.
  • [0030]
    Preferably, the central connection web 15 has a length that is smaller than the lengths of the connection webs 14 and 16 as seen in FIG. 2. However, as seen in the alternate embodiment of FIG. 5, it is possible to make, the lengths of the webs 14, 15 and 16 all equal.
  • [0031]
    Furthermore, in the particularly preferred embodiment shown in FIG. 2, the width B1 is equal to the width B2 and the width, in turn, is equal to width B3 of the connection webs 14, 15 and 16, respectively. However, as seen in the alternate embodiment of FIG. 5, it is possible to make the width B2 of the connection web 15 smaller than the width B1 and the width B3 for increasing flexibility of the connection element 7.
  • [0032]
    FIG. 3 illustrates the mode of operation of the connection element 7 according to the invention within the stent web structure 4. The arrangement 7 1 shows the configuration of the connection element 7 according to FIG. 2 in a schematically simplified view. This results in a distance A of the length of the central connection web 15.
  • [0033]
    The state 7 2 of the connection element 7 illustrates the positions of the webs 14, 15 and 16 in their compressed or unexpanded states, which are symbolized by the two arrows K. This yields a distance at between the hinges 17 and 18 that is smaller than the distance A.
  • [0034]
    The state 7 3, which corresponds to an expanded state, also yields a distance a2 that is also smaller than the distance A.
  • [0035]
    This means that the connection element 7 is shortened both in the compressed (unexpanded) and the expanded state so that the connection elements 7 cannot protrude from the wall plane of the web structure, whereby in particular in the implanted state the surrounding tissue of the respective volume cannot be injured. Furthermore, this has the advantage that the connection elements 7 in curved vessels yield a uniform wall cover through the web patterns 5 and 6 as well as flexibility of the whole stent construction.
  • [0036]
    Reference is here made to FIG. 4A and 4B, each showing a section of the stent web structure 4 arranged in a curved vessel. FIG. 4A shows the compressed (unexpanded) state of the connection element 7 with its connection webs 14 to 16, whereas FIG. 4B shows and illustrates the stretched (expanded) state of a corresponding connection element 7 with its connection webs 14 to 16.
  • [0037]
    The terms of degree such as “substantially”, “about” and “approximately” as used herein mean a reasonable amount of deviation of the modified term such that the end result is not significantly changed. For example, these terms can be construed as including a deviation of at least ±5% of the modified term if this deviation would not negate the meaning of the word it modifies.
  • [0038]
    This application claims priority to European Patent Application No. 01122285.8. The entire disclosure of European Patent Application No. 01122285.8 is hereby incorporated herein by reference.
  • [0039]
    While only selected embodiments have been chosen to illustrate the present invention, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the scope of the invention as defined in the appended claims. Furthermore, the foregoing descriptions of the embodiments according to the present invention are provided for illustration only, and not for the purpose of limiting the invention as defined by the appended claims and their equivalents. Thus, the scope of the invention is not limited to the disclosed embodiments.

Claims (16)

1. A stent comprising:
a tubular flexible body with a wall having a web structure which can be transformed from a non-expanded state into an expanded state,
said web structure comprising a plurality of neighboring web patterns which include webs arranged side by side, and
adjacent pairs of said web patterns being interconnected by at least one connection element,
each of said connection elements comprises a central connection web and a pair of outer connection webs that are arranged at an angle relative to one another and interconnected via a pair of inner hinges.
2. The stent according to claim 1, wherein
said connection webs in the non-expanded state of said web structure are arranged at least approximately at right angles relative to one another.
3. The stent according to claim 2, wherein
said connection webs have equal widths.
4. The stent according to claim 2, wherein
said connection webs have different widths.
5. The stent according to claim 2, wherein
said central connection web has a smaller width than that of the outer connection webs.
6. The stent according to claim 1, wherein
said connection webs have equal widths.
7. The stent according to claim 1, wherein
said connection webs have different widths.
8. The stent according to claim 1, wherein
said central connection web has a smaller width than that of the outer connection webs.
9. The stein according to claim 1, wherein
said outer connection webs are each connected via an outer hinge to the neighboring web of said wall structure.
10. The stent according to claim 9, wherein
said outer hinges are formed as film hinges.
11. The stent according to claim 10, wherein
said inner hinges are formed as film hinges.
12. The stein according to claim 1, wherein
said inner hinges are formed as film hinges.
13. The stent according to claim 1, wherein
the wall of said body is formed of a biocompatible material.
14. The stent according to claim 13, wherein
said web structure and said connection elements are formed of a nickel-titanium alloy, plastics or stainless steel.
15. The stent according to claim 1, wherein
the lengths of said connection webs are equal.
16. The stent according to claim 1, wherein
the lengths of said connection webs are different.
US12608335 2001-09-18 2009-10-29 Stent Abandoned US20100114297A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01122285.8 2001-09-18
EP20010122285 EP1293177B1 (en) 2001-09-18 2001-09-18 Stent
US10241523 US20030055487A1 (en) 2001-09-18 2002-09-12 Stent
US11435260 US7611531B2 (en) 2001-09-18 2006-05-16 Stent
US12608335 US20100114297A1 (en) 2001-09-18 2009-10-29 Stent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12608335 US20100114297A1 (en) 2001-09-18 2009-10-29 Stent

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US11435260 Continuation US7611531B2 (en) 2001-09-18 2006-05-16 Stent

Publications (1)

Publication Number Publication Date
US20100114297A1 true true US20100114297A1 (en) 2010-05-06

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
US10241523 Abandoned US20030055487A1 (en) 2001-09-18 2002-09-12 Stent
US11435260 Active 2022-11-17 US7611531B2 (en) 2001-09-18 2006-05-16 Stent
US12608335 Abandoned US20100114297A1 (en) 2001-09-18 2009-10-29 Stent

Family Applications Before (2)

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US10241523 Abandoned US20030055487A1 (en) 2001-09-18 2002-09-12 Stent
US11435260 Active 2022-11-17 US7611531B2 (en) 2001-09-18 2006-05-16 Stent

Country Status (3)

Country Link
US (3) US20030055487A1 (en)
DE (2) DE50112209D1 (en)
EP (2) EP1516600B1 (en)

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US20100131048A1 (en) * 2008-10-10 2010-05-27 Reva Medical, Inc. Expandable slide and lock stent
US7850726B2 (en) 2007-12-20 2010-12-14 Abbott Laboratories Vascular Enterprises Limited Endoprosthesis having struts linked by foot extensions
US8016874B2 (en) 2007-05-23 2011-09-13 Abbott Laboratories Vascular Enterprises Limited Flexible stent with elevated scaffolding properties
US8128679B2 (en) 2007-05-23 2012-03-06 Abbott Laboratories Vascular Enterprises Limited Flexible stent with torque-absorbing connectors
US8172894B2 (en) 2007-01-26 2012-05-08 Reva Medical, Inc. Circumferentially nested expandable device
US8277500B2 (en) 2004-12-17 2012-10-02 Reva Medical, Inc. Slide-and-lock stent
US8303645B2 (en) 1998-09-05 2012-11-06 Abbott Laboratories Vascular Enterprises Limited Methods and apparatus for a stent having an expandable web structure
US8337544B2 (en) 2007-12-20 2012-12-25 Abbott Laboratories Vascular Enterprises Limited Endoprosthesis having flexible connectors
US8343208B2 (en) 1998-09-05 2013-01-01 Abbott Laboratories Vascular Enterprises Limited Stent having an expandable web structure
US8460363B2 (en) 2007-11-30 2013-06-11 Reva Medical, Inc. Axially-radially nested expandable device
US8512394B2 (en) 2004-07-21 2013-08-20 Reva Medical Inc. Balloon expandable crush-recoverable stent device
US8523936B2 (en) 2010-04-10 2013-09-03 Reva Medical, Inc. Expandable slide and lock stent
US8617235B2 (en) 2005-08-02 2013-12-31 Reva Medical, Inc. Axially nested slide and lock expandable device
US8814926B2 (en) 1998-09-05 2014-08-26 Abbott Laboratories Vascular Enterprises Limited Methods and apparatus for stenting comprising enhanced embolic protection coupled with improved protections against restenosis and thrombus formation
US9149378B2 (en) 2005-08-02 2015-10-06 Reva Medical, Inc. Axially nested slide and lock expandable device
US9408732B2 (en) 2013-03-14 2016-08-09 Reva Medical, Inc. Reduced-profile slide and lock stent

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US20060206195A1 (en) 2006-09-14 application
DE50105476D1 (en) 2005-04-07 grant
EP1293177A1 (en) 2003-03-19 application
US7611531B2 (en) 2009-11-03 grant
DE50112209D1 (en) 2007-04-26 grant
EP1516600B1 (en) 2007-03-14 grant
US20030055487A1 (en) 2003-03-20 application
EP1293177B1 (en) 2005-03-02 grant
EP1516600A1 (en) 2005-03-23 application

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