US20020138094A1 - Vascular filter system - Google Patents

Vascular filter system Download PDF

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Publication number
US20020138094A1
US20020138094A1 US10045296 US4529601A US2002138094A1 US 20020138094 A1 US20020138094 A1 US 20020138094A1 US 10045296 US10045296 US 10045296 US 4529601 A US4529601 A US 4529601A US 2002138094 A1 US2002138094 A1 US 2002138094A1
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Prior art keywords
filter
filter membrane
proximal
distal
guidewire
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Abandoned
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US10045296
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Thomas Borillo
Mark Maciejewski
Gregg Sutton
Jeffrey Welch
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Cordis Corp
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Cordis Corp
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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
    • A61F2/01Filters implantable into blood vessels
    • A61F2/013Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stending
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • 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
    • A61F2/01Filters implantable into blood vessels
    • A61F2002/011Instruments for their placement or removal
    • 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
    • A61F2/01Filters implantable into blood vessels
    • A61F2002/016Filters implantable into blood vessels made from wire-like elements
    • 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
    • A61F2/01Filters implantable into blood vessels
    • A61F2002/018Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
    • 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
    • A61F2230/0004Rounded shapes, e.g. with rounded corners
    • A61F2230/0006Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0067Three-dimensional shapes conical
    • 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
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0071Three-dimensional shapes spherical
    • 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
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0073Quadric-shaped
    • A61F2230/008Quadric-shaped paraboloidal
    • 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
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0093Umbrella-shaped, e.g. mushroom-shaped
    • 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
    • A61M25/09Guide wires
    • A61M2025/09125Device for locking a guide wire in a fixed position with respect to the catheter or the human body

Abstract

A removable vascular filter system for capture and retrieval of emboli while allowing continuous perfusion of blood, comprising a porous filter membrane and a filter membrane support structure. This system is useful for any percutaneous angioplasty, stenting, thrombolysis or tissue ablation procedure. The system may minimize the incidence of stroke, myocardial infarction or other clinical complications that may be associated with these procedures.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • This patent application is a continuation-in-part of pending U.S. patent application Ser. No. 09/249,377, filed Feb. 3, 1997, which is incorporated herein by reference.[0001]
  • BACKGROUND OF THE INVENTION
  • I. Field of the Invention [0002]
  • The present invention relates to the treatment of vascular disease by either percutaneous angioplasty and stenting or surgery. More particularly, the present invention relates to a system that reduces macro- and micro-embolization during the treatment of vascular disease. [0003]
  • II. Discussion of the Related Art [0004]
  • A variety of surgical and non-surgical angioplasty procedures have been developed for removing obstructions from blood vessels. Balloon angioplasty utilizes a balloon-tipped catheter which may be inserted within a stenosed region of the blood vessel. By inflation of the balloon, the stenosed region is dilated. Stenting involves the permanent implantation of a metallic scaffold in the area of the obstruction, following balloon dilatation. The stent is often delivered on an angioplasty balloon, and is deployed when the balloon is inflated. Another alternative is the local delivery of medication via an infusion catheter. Other techniques, such as atherectomy, have also been proposed. In atherectomy, a rotating blade is used to shave plaque from an arterial wall. Finally, other techniques such as tissue ablation are sometimes performed to address electrical anomalies in heart rhythm. Surgery involves either removing the plaque from the artery or attaching a graft to the artery so as to bypass the obstructing plaque. [0005]
  • One problem common to all of these techniques is the accidental release of portions of the plaque or thrombus, resulting in emboli which can lodge elsewhere in the vascular system. Such emboli may be dangerous to the patient, and may cause severe impairment of the distal circulatory bed. Depending upon the vessel being treated, this may result in a stroke or myocardial infarction or limb ischemia. [0006]
  • Vascular filters or embolism traps for implantation into the vena cava of a patient are well known, being illustrated by, for example, U.S. Pat. Nos. 4,727,873 and 4,688,533. Additionally, there is a substantial amount of medical literature describing various designs of vascular filters and reporting the results of the clinical and experimented use thereof. See, for example, the article by Eichelter & Schenk entitled “Prophylaxis of Pulmonary Embolism,” Archives of Surgery, Vol. 97, August 1968, pp. 348 et seq. See, also, the article by Greenfiled, et al., entitled “A New Intracaval Filter Permitting Continued Flow and Resolution of Emboli”, Surgery, Vol. 73, No. 4, pp. 599-606 (1973). [0007]
  • Vascular filters are used, often during a postoperative period, when there is a perceived risk of a patient encountering a pulmonary embolus resulting from clots generated at the surgical site. Typically, the filter is mounted in the vena cava to catch large emboli passing from the surgical site to the lungs. [0008]
  • The vascular filters of the prior art are usually permanently implanted in the venous system of the patient, so that even after the need for the filter has abated, the filter remains in place for the lifetime of the patient, absent surgical removal. U.S. Pat. No. 3,952,747 describes a stainless steel filtering device which is permanently implanted transvenously within the inferior vena cava. The filtering device is intended to treat recurrent pulmonary embolism. U.S. Pat. No. 4,873,978 describes a catheter device comprising a catheter body having a strainer mounted at its distal end. The strainer is shiftable between an opened configuration where it extends substantially across the blood vessel to entrap passing emboli, and a closed configuration where it retains the captured emboli during removal of the catheter. A mechanism actuable at the proximate end of the catheter body allows selective opening and closing of the strainer. Typically, the strainer is a collapsible cone having an apex attached to a wire running from the distal end to the proximate end of the catheter body. [0009]
  • Permanent implantation may be deemed medially undesirable, but it has been done because vascular filters are implanted in patients primarily in response to potentially life threatening situations. Accordingly, the potential disadvantages of permanent implantations of a vascular filter are often accepted. [0010]
  • Notwithstanding the usefulness of the above-described methods, a need still exists for an apparatus and method for preventing embolization associated with conventional surgery and interventional procedures. In particular, it would be desirable to provide a device which could be located within the vascular system to collect and retrieve portions of plaque and thrombus which have dislodged during the surgery or angioplasty procedure. [0011]
  • SUMMARY OF THE INVENTION
  • The present invention provides a vascular filter system useful in the surgical or interventional treatment of vascular disease. Macro- and micro-embolization may occur during percutaneous procedures such as angioplasty, which increases the risk of a minor or major stroke. The system of the present invention for reducing macro- and micro-embolization is very useful in helping to prevent the risk of stroke. However, this system would also be useful in any percutaneous angioplasty, stenting, thrombolysis or tissue ablation procedure, or surgical procedure where embolization is a risk. The vascular filter system of the present invention may decrease embolism while allowing brain, or other distal tissue, perfusion. The filters may be incorporated into a guidewire which is used for the entire procedure from crossing a lesion to deploying a stent. [0012]
  • An objective of the present invention is to provide a vascular filter system for reducing macro- and micro-embolization. Another objective of the present invention is to provide a vascular filter system which is readily removable from the vascular system, or elsewhere, of a patient when the filter is no longer needed. It is a further objective of the present invention to provide a vascular filter system having a configuration which does not require hooks to penetrate and grip the blood vessel walls, so that the implantation results in less blood vessel injury. It is yet a further objective of the present invention to provide a vascular filter system of very low profile which is part of a guidewire and may be used in small vessels. It is yet a further objective of the invention to provide a vascular filter system for angioplasty, stenting, thrombolysis and/or electrophysiologic or other ablative procedures. [0013]
  • In one exemplary embodiment the filter comprises a thin membrane attached to the guidewire and supported by fine metal spines. Attachment of the filter membrane to the guidewire allows expansion of the filter membrane with a firm fit inside the artery. The attachment also allows for collapse of the filter membrane at the end of the procedure so it fits tightly against the guidewire and can be withdrawn through the guide catheter. In another exemplary embodiment, the filter membrane rests upon or is attached to a basket-like structure, at least one end of which is attached to the guidewire. The filter membrane has a pore size such that blood flow is not impeded when the filter membrane is expanded but micro- and macro-emboli are blocked. Expansion of the filter membrane is aided by the forward flow of blood against the filter. The filter design results in a very low profile so that the initial crossing of the lesion is minimally traumatic. Also, the small diameter and small profile facilitate use of the device in small or larger arteries with minimal or no obstruction of blood flow. [0014]
  • In another exemplary embodiment of the present invention, a dilatation balloon delivery system incorporating a vascular filter may be useful to capture thrombus or emboli generated during a cardiovascular procedure. The dilatation balloon delivery system comprises a balloon catheter having proximal and distal ends, the proximal end comprising a hub having ports. The distal end comprises an inflatable balloon having a distal end, where a guidewire lumen extends from the distal end of the balloon to one of the ports in the hub. The guidewire also extends distally to a vascular filter system. A sheath is arranged concentric to the balloon catheter, where the distal end of the sheath covers the inflatable balloon and the guidewire filter. The sheath proximal end extends to a point distal to the hub. [0015]
  • In another exemplary embodiment of the present invention, a stent delivery system incorporating a vascular filter may be useful to capture thrombus or emboli generated during a cardiovascular procedure. The stent delivery system comprises a balloon catheter having proximal and distal ends, the proximal end comprising a hub having ports. The distal end comprises an inflatable balloon having a distal end, where a guidewire lumen extends from the distal end of the balloon to one of the ports in the hub. The guidewire lumen also extends proximally to a vascular filter system. An expandable stent is positioned annularly around the balloon. A sheath is arranged concentric to the balloon catheter, where the distal end of the sheath covers the inflatable balloon, the stent, and the guidewire filter. The sheath proximal end extends to a point distal to the hub. [0016]
  • In another exemplary embodiment of the present invention, the vascular filter is attached to a guidewire having an infusion catheter with infusion holes for controlled delivery and distribution of medication to the area of surgical intervention. The sheath over the guidewire may control the area of distribution of the medication by controlling the number of the revealed infusion holes in the infusion catheter. A locking mechanism on the proximal end of the apparatus may assure that the sheath does not reveal a larger than necessary area of the angioplasty, i.e., thrombus, to be exposed to the infusion holes. [0017]
  • In another exemplary embodiment of the present invention, a vascular filter system may be used to capture thrombus or emboli generated during electrophysiology or another ablative procedure. A guidewire-based collapsible filter basket can be advanced through the femoral artery to a position adjacent the left ventricle. The basket faces the ventricle, and then the basket is collapsed and withdrawn proximally. Alternately, a guiding catheter has a distally-extending filter membrane that may be collapsed, for example, by sliding an outer sheath distally. [0018]
  • An advantage of the present invention is that it provides the benefits of filtration and capture of embolic particulates, temporarily, during a variety of clinical procedures. [0019]
  • Given the following enabling description of the drawings, the apparatus should become evident to a person of ordinary skill in the art.[0020]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention will be apparent upon consideration of the following detailed description, taken in conjunction with the accompanying drawings, in which the reference characters refer to like parts throughout, and in which: [0021]
  • FIG. 1 illustrates a lateral, partial cross-sectional view of one exemplary embodiment of the present invention with the filter membrane in an open position. [0022]
  • FIG. 2 illustrates a lateral, partial cross-sectional view of the exemplary embodiment of the present invention in FIG. 1 with the sheath closed. [0023]
  • FIG. 3 illustrates a schematic representation of a portion of a filter membrane in accordance with the present invention. [0024]
  • FIG. 4 illustrates a lateral view of a core wire in accordance with the present invention. [0025]
  • FIG. 5 illustrates a cross-sectional view across section line [0026] 5-5 of a portion of the core wire of FIG. 4.
  • FIG. 6 illustrates a lateral, cross-sectional view of an alternate basket structure for the exemplary embodiment of FIG. 1. [0027]
  • FIG. 7 illustrates a lateral, partial cross-sectional view of another exemplary embodiment of the present invention. [0028]
  • FIG. 8 illustrates a lateral, partial cross-sectional view of a further exemplary embodiment of the present invention. [0029]
  • FIG. 9 illustrates a schematic, partial cross-sectional view of another exemplary embodiment of the present invention where the distal section of the filter basket is inverted. [0030]
  • FIG. 10 illustrates a schematic, partial cross-sectional view of the exemplary embodiment shown in FIG. 9 where the filter basket is collapsed. [0031]
  • FIG. 11 illustrates a lateral, partial cross-sectional view of one exemplary embodiment of the invention with the filter membrane in an open position and guidewire having infusion holes. [0032]
  • FIG. 12 illustrates a schematic, partial cross-sectional view, with an enlarged section, of an exemplary embodiment of the present invention wherein a dilatation delivery system comprises a vascular filter. [0033]
  • FIG. 13 illustrates a schematic, partial cross-sectional view of an exemplary embodiment of the present invention wherein a stent delivery system comprises a vascular filter. [0034]
  • FIG. 14 illustrates a schematic, partial cross-sectional view of an electrophysiology filter system according to the present invention. [0035]
  • FIG. 15 illustrates a schematic, partial cross-sectional view of a filter apparatus in accordance with the present invention. [0036]
  • FIG. 16 illustrates a schematic, partial cross-sectional view of a guide catheter filter system according to the present invention. [0037]
  • FIG. 17 illustrates a partial view of an ablation catheter in accordance with the present invention.[0038]
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The present invention relates to a vascular filter system for use in percutaneous angioplasty and stenting and provides for the prevention of distal embolism during endovascular procedures. Further, the filter system of the present invention allows for distal perfusion while preventing embolization. [0039]
  • The system comprises a thin, perforated filter membrane which is capable of blocking emboli and which is attached to the distal end of a guidewire. In one exemplary embodiment of the invention, a thin, flexible, perforated membrane is supported by four or more supports that form a distally extending basket. At least one end of the basket is attached to the guidewire, and the other, slidable end may be moved to cause the membrane to open or close. [0040]
  • The present invention can perhaps be better appreciated by reference to the drawings. FIG. 1 illustrates a lateral, cross-sectional view of a distal end of a guidewire [0041] 160 with a filter membrane 170 attached thereto. FIG. 1 shows guidewire 160 with a shapeable soft “floppy” tip 162 at its extreme distal end which provides flexibility and maneuverability to guidewire 160. The filter membrane in FIG. 1 is illustrated in an open position.
  • Guidewire [0042] 160 comprises a core wire 164, which extends into floppy tip 162, and a sheath 166. Filter membrane 170 is supported by a basket 169 comprising two or more filter basket wires 168, having distal ends 172 and proximal ends 174. The distal ends 172 of basket wires 168 are fixedly attached by distal radiopaque marker or crimp band 176 to core wire 164, and the proximal ends 174 of basket wires 168 are attached to proximal radiopaque marker or crimp band 178, which is slidable over core wire 164, optionally with a polymeric, such as polyimide, or metallic sleeve between core wire 164 and proximal ends 174. Preferably, proximal marker 178 is fixedly attached to core wire 164, and distal marker 176, with a polymeric or metallic sleeve, is slidable over core wire 164.
  • The flow of blood in FIG. 1 is toward the distal end of guidewire [0043] 160. As such, the force of the flow of blood pushes on deployed filter membrane 170 and helps to maintain filter membrane 170 in the deployed position.
  • A sheath member [0044] 180 is attached to the distal end of sheath 166, sheath member 180 having a lumen 182 with a diameter and length sufficient to receive or slide over proximal marker 178. Sheath 166 and sheath member 180 can be either separate pieces bonded together or a continuous, integral structure. Sheath 166 and sheath member 180 are each made from low friction polymeric material, preferably polytetrafluoroethylene, polyethylene, nylon, or polyurethane.
  • Filter membrane [0045] 170 may comprise a number of different non-metallic permeable membranes having sufficient porosity to facilitate blood flow but having sufficiently small openings to capture emboli. Filter membrane 170 is preferably affixed at least at its distal portion 184 to core wire 164 and/or basket wire distal ends 172 and, optionally, to basket wires 168. The remainder of filter membrane 170 may be unattached or, preferably, attached to basket wires 168, such as by a suitable adhesive. Preferably basket wires 168 are encapsulated in membrane 170.
  • Basket [0046] 169 may be somewhat cylindrical in its middle with tapered, conical, proximal and distal portions. Alternately, basket 169 may be slightly spherical, optionally with a flat, cylindrical middle portion. Preferably basket 169 is from about five to about forty mm in length and from about two to about thirty mm, or from about two to about twenty mm, in diameter at its widest.
  • The proximal end of the sheath [0047] 180 is attached to control handle or guidewire torquer 186. Control handle 186 has an opening 188 for core wire 164 so that sheath 180 can move slidably over core wire 164. For example, when sheath 180 is moved distally toward basket wires 168, filter membrane 170 collapses. Also, there may be instances where sheath 180 will be removed proximally so that other catheters or cardiovascular appliances can be introduced over core wire 164. Control handle 186, which functions as a torque device, also primarily functions to lock sheath 180 to core wire 164 during insertion.
  • There are a number of known, commercially available guidewire torquers that may be modified to function as control handle [0048] 186. Modification includes, but is not limited to, providing a slightly larger central lumen.
  • In FIG. 2 sheath [0049] 166 and sheath member 180 are shown advanced distally so that basket wires 168 and filter member 170 are collapsed against core wire 164. The distal end 192 of sheath member 180 may optionally be slightly tapered to provide a better profile for insertion.
  • In an exemplary embodiment of the present invention, as shown in FIG. 3, filter membrane [0050] 170 comprises a polymeric material such as polyurethane or silicone elastomer that has laser-drilled holes 190. Alternately, the filter membrane may comprise fabric or non-fabric meshes, such as those used in known hemodialysis filters or heart-lung bypass machine filters. Suitable materials include polymers or physiologically acceptable metals or alloys.
  • Such holes [0051] 190, a pattern for which can be seen in FIG. 3, are preferably only on the conical portion of filter membrane 170. The holes 190 could be from about twenty to about three hundred microns in diameter. The vertical row separation of holes 190 may be from about 1.2 to 1.4 times the hole diameter and the center-to-center diameter of holes 190 may be from about 1.4 to 1.6 times the hole diameter, or in an exemplary embodiment the vertical and horizontal spacing of the holes is such that the center-to-center spacing of the holes is from about 1.2 to 2.0 times the hole diameter. Preferably the open area of the holes represents from about ten to fifty percent, more preferably from about ten to forty percent of the filter surface. Alternatively, the hole size may be variable. The mesh should have pores of a size sufficient to block and capture any micro- and macro-emboli which may flow downstream from the site where the stenosis is being treated, but large enough such that blood flow is not impeded. The mesh used in the filter device of the invention can have a pore size of from about twenty to about three hundred microns, preferably from about fifty to about one hundred fifty microns. Moreover, the size of filter membrane 170 is such as to allow a firm fit between filter membrane 170 and an artery wall (not shown). The diameter of filter membrane 170 will be directly related to the artery being treated, with typical diameters ranging from about two mm to about forty mm, most preferably from about two mm to about twenty mm.
  • Basket wires [0052] 168 may comprise a suitable, physiologically acceptable metal. Stainless steel or nitinol are preferred, although titanium or other metal alloys could be used.
  • Core wire [0053] 164 can be seen better in FIG. 4, where the proximal and middle portions 200 and 202 are substantially uniform in diameter, and then the distal portion 204 tapers to an end point 206. In fact, distal portion 204 could taper uniformly or, more preferably, non-uniformly, as shown in FIG. 4. Typically core wire 164 is from about two hundred fifty to three hundred cm in length, with an initial diameter of from about 0.009 to 0.038 inches, preferably from about 0.014 to 0.018 inches Distal section 204 is typically from about eight to ten cm. With a diameter that tapers to from about 0.001 to 0.005 inches, Core wire 164 may optionally have a thin polymeric coating 207 for friction reduction. Preferably end point 206 is a solid, squat cylinder, as shown in FIGS. 4 and 5.
  • Floppy tip [0054] 162 preferably comprises a radiopaque helical spring 210 that is fixedly attached, e.g., by welding, brazing, or soldering, to end point 206 and, optionally, attachment point 208. Optionally spring coil 210 may have a polymeric or lubricious coating 212.
  • FIG. 6 represents an alternate design where basket wires [0055] 220 are substantially helical in shape. Filter member 222 covers or encompasses the distal portion of basket wires 220, and the proximal and distal portions of basket wires 220 are secured by proximal radiopaque marker or crimp band 224 and distal radiopaque marker or crimp band 226, respectively. Markers 224 and 226 are fixed or slidable on core wire 228 as described above. Preferably there are from 4 to 8 basket wires 220, each with a rotation of from about forty-five degrees to three hundred sixty degrees.
  • Additional exemplary embodiments of the present invention can be seen in FIGS. 7 and 8. The schematic representation in FIG. 7 depicts a filter membrane [0056] 280 supported by strut wires 282. The distal ends 284 of strut wires 282 are attached to the distal portion of a tubular member 286. A movable core wire 290 extends through a lumen 292 in tubular member 286 to a distal floppy section 294, where a helical spring coil 296 surrounds the distal portion 298 of core wire 290 and is attached to end point 300. There is an attachment point 302 of weld or solder at the proximal portion of spring coil 296 where the distal portion 304 of sheath member 306 is also attached to core wire 290. The lumen 308 of sheath member 306 is large enough so that as core wire 290 is pulled proximally, or tubular member 286 is advanced distally, the distal ends 284 of strut wires 282 move into lumen 308 and collapse filter membrane 280.
  • Moveable core wire [0057] 250 of the structure shown in FIG. 8 comprises a floppy tip 252 where a helical spring coil 254 encompasses the distal portion 256 of core wire 250. A basket wire structure component of two or more basket wires 258 supports a filter membrane 260 on the distal portion 262 of the basket structure. Distal ends 264 of the basket wires 258 are encompassed by a radiopaque marker or crimp band 266 that is attached to core wire 250 and/or spring coil 254. The proximal ends 268 of basket wires 258 are attached to the distal portion of a sheath 270 that surrounds core wire 250. Sheath 270 moves slidably over core wire 250 so that when sheath 270 is pulled proximally into core wire 250, filter membrane 250 collapses.
  • In FIG. 9, a basket [0058] 320 comprising from four to eight strut wires 322 is secured by a distal fixed grommet 324 and a proximal slidable grommet 326. Grommet 326 is slidable over core wire 328. Filter membrane 330 is attached to or arranged upon basket 320, with the proximal section 332 of the membrane 290 being open to flow, represented by arrows 334. The distal portion 336 of membrane 330 forms a conical shape 340 that extends proximally. The filter could be deployed by, for example, a sheath or a tube fixed to the proximal slidable crimp band 336. This design is optimized for perfusion and emboli collection. For example, as more emboli is collected, it tends to collect in outer, non-filter areas, leaving the pores open for perfusion.
  • Membrane [0059] 330 preferably has holes only in distal section 336/340, which holes are arranged as described above. It is believed that under normal, substantially laminar flow conditions debris or emboli 342 will tend to collect in annular recesses 344.
  • To close and capture emboli, as shown in FIG. 10, slidable grommet [0060] 326 is moved proximally to collapse basket 320 and membrane 336. This can be accomplished with, for example, sheath 350 or a fixed tubular member or other apparatus that is preferably slidable over the core wire.
  • In an exemplary embodiment of the present invention, shown in FIG. 11, a guidewire or rigid infusion tubing [0061] 360 extends over a core wire 362 that extends to a floppy tip 364, and a filter membrane 366 is supported by a filer basket 368. Tubing 360 extends distally to hub 372. Core wire 362 extends through a lumen in tubing 360 and proximal to hub 372. Hub 372 has a Luer fitting 374. Filter membrane 366 supported by filter basket 368 comprises two or more filter basket wires 376, having distal ends 378 and proximal ends 380 attached to core wire 362 and operating in a manner described above in conjunction with the description of FIGS. 1-3.
  • The infusion rigid tubing [0062] 360 may have infusion holes 370 for delivering and distributing medication through infusion holes 370 as well as through the infusion tubing end 382 to an afflicted target area of a procedure such as a peripheral thrombolysis.
  • A sheath [0063] 390 is connected to the sheath member 392 at its distal end and, optionally with a distal sheath marker 394, and to a locking hub 405 of a locking mechanism 404 at its proximal end. The sheath locking mechanism comprises a locking hub 405 and a latch 406 which is allowed to slide independently over the infusion tubing 360. Sheath 390 may be moved distally and proximally along the infusion tubing 360 and locked in place to prevent any further movement along the infusion tubing 360. By sliding sheath 390 distally and proximally along the infusion tubing 390, a specific number of the infusion holes 370 may be covered or opened. This covering and uncovering of infusion holes 370 thereby controls the distribution and the amount of medication along the specific area of operation, i.e., the location of the exposed infusion holes 370 relative to a thrombus 396 (or atheroma, stenosis, embolism, plaque, etc.). Infusion holes 370 may be covered and opened alternatively by distally and proximally sliding either only the infusion tubing 360 along core wire 362, distally and proximally sliding only sheath 390 along the infusion tubing 360, or manipulating both the infusion tubing 360 along the core wire 362 and the sheath 390 along the infusion tubing 360 simultaneously.
  • Sheath [0064] 390, sheath member 392 and locking hub 405 may be either separate pieces bonded together or a continuous, integral structure. Latch 406 is a separate piece of tubing of the same diameter as sheath 390 slidable distally and proximally along the infusion tubing 360. However, in counterdistinction of sheath 390, latch 406 has a tight fit over the infusion tubing 360, enabling sheath 390 to be secured in a secured position when locking mechanism 404 is engaged or locked.
  • The wires, membrane, and other materials of this exemplary embodiment are consistent with those described above. [0065]
  • In an exemplary embodiment of the invention shown in FIG. 12, a dilatation balloon delivery system [0066] 360 comprises a deployment sheath 362 and a hub 364. A balloon shaft 366 extends from hub 364 to the distal section 368 of deployment sheath 362, where the distal portion of balloon shaft 366 comprises an inflatable dilatation balloon 370. The interior 372 of balloon 370 is in fluid communication with inflation lumen 374 in balloon shaft 366 and an inflation port 376 in hub 364. Balloon shaft 366 also comprises a guidewire lumen 378 in fluid communication with a guidewire port 380 in hub 364 and extending through balloon 370 to a vascular filter or emboli capture device 382, as described above. The ends of a filter basket 384 are secured in a fixed grommet 386 and a slidable grommet 388.
  • During insertion of the dilatation balloon delivery system according to the present invention, deployment sheath [0067] 362 is advanced through a patient's vascular system to a desired location. During this stage of the procedure balloon 370 is collapsed, and vascular filter 382 is somewhat compressed. After balloon 370 is in position, deployment sheath 362 is pulled in the proximal direction, and then balloon 370 is expanded to dilate a vessel. Vascular filter 382 expands as grommet 388 slides in the proximal direction.
  • Once the dilatation balloon [0068] 370 is collapsed, sheath 362 may be advanced distally to collapse vascular filter 382. After vascular filter 382 is collapsed, sheath 362, collapsed balloon 370, and collapsed vascular filter 382 may be withdrawn together in the proximal direction.
  • In an exemplary embodiment of the invention shown in FIG. 13, a stent delivery system [0069] 360 comprises a deployment sheath 362 and a hub 364. A balloon shaft 366 extends from hub 364 to the distal section 368 of deployment sheath 362, where the distal portion of inflatable balloon catheter shaft 366 comprises an expandable balloon 370. The interior 372 of balloon 370 is in fluid communication with an inflation lumen 374 in balloon catheter shaft 366 and an inflation port 376 in hub 364. Balloon shaft 366 also comprises a guidewire lumen 378 in fluid communication with a guidewire port 380 in hub 364 and extending through balloon 370 to a vascular filter or emboli capture device 382, as described above. The ends of a filter basket 384 are secured in a fixed grommet 386 and a slidable grommet 388. An expandable stent 390 is positioned annularly adjacent to balloon 370.
  • During insertion of the stent delivery system according to the present invention, deployment sheath [0070] 362 is advanced through a patient's vascular system to a desired location. During this stage of the procedure balloon 370 is either collapsed or expanded only so far as to hold stent 386 in position, and vascular filter 382 is somewhat compressed. After stent 390 is in position, deployment sheath 362 is pulled in the proximal direction, and then balloon 370 is expanded to secure stent 390 in position. Vascular filter 382 expands as grommet 388 slides in the proximal direction.
  • Once stent [0071] 390 is in position, sheath 362 may be advanced distally to collapse vascular filter 382. After vascular filter 382 is collapsed, sheath 362 and vascular filter 382 can be withdrawn together in the proximal direction.
  • In a variation of the exemplary embodiment of the invention shown in FIG. 13, stent [0072] 390 could be a self-expanding stent that is releasably positioned on a delivery catheter. See, for example, U.S. Pat. Nos. 5,246,445 and 5,372,600. The stent delivery catheter would comprise a lumen for release wires, etc., as well as a lumen for a guidewire lumen in connection with a vascular filter system.
  • In an exemplary embodiment of the invention shown in FIG. 14, vascular filter system comprises a guidewire [0073] 360 with a core wire 362 extending distally into floppy tip 364. Vascular filter 366 comprises a filter membrane 368 positioned in a distally facing manner on filter basket 370 comprised of 6 to 8 struts or wires 372. The distal 374 and proximal 376 ends of basket wires 372 are held by proximal grommet 378 and distal sliding grommet 380. Optionally, filter basket 370 has radiopaque markers 382. A sheath 388 with expanded distal sheath section 390 is arranged concentrically around guidewire 360.
  • Consistent with the invention the vascular filter system will be inserted through a guide catheter in a patient's femoral artery and then advanced through the aorta to a position adjacent the patient's left ventricle. During electrophysiology or another ablation procedure in the left ventricle, any emboli or thrombus produced will be captured in filter membrane [0074] 368. When the procedure is complete, sheath 388 and filter basket 370 are moved relative to one another so that the distal section 390 of sheath 388 causes filter basket 370 to collapse, whereupon filter basket 370 and captured material are withdrawn with the sheath.
  • In another exemplary embodiment of the vascular filter system, the apparatus of FIG. 9 could be modified, as shown in FIG. 15. A basket [0075] 400 comprised of from four to eight strut wires 402 is secured by a proximal fixed grommet 404 and a distal slidable grommet 406. Grommet 406 is slidable over core wire 408. Filter membrane 410 is attached to or arranged upon basket 412, with the proximal section 414 of the membrane 410 being open to flow, represented by arrow 416. The proximal portion 414 of membrane 410 forms a conical shape that extends distally. The filter may be deployed by, for example, a sheath, a tube, or a wire fixed to the distal slidable crimp band 406.
  • Membrane [0076] 410 preferably has holes only in proximal section 414, which holes are arranged as described above. It is believed that under normal, substantially laminar flow conditions debris or emboli 418 will tend to collect in annular recesses 420.
  • FIG. 16 depicts a guide catheter [0077] 430 comprising a catheter shaft 432 having a distal end 434. A filter membrane 436 having a flexible support or structure is arranged, distally facing, on said distal end 434. The proximal portion of filter membrane 436 is secured at band 438. A sheath 440 is arranged concentrically around guide catheter shaft 432 so that when sheath 440 is advanced distally, filter membrane 436 collapses. It is contemplated that other means may be devised for collapsing filter membrane 436, such as a wire. Guide catheter 430 will preferably have a lumen 442 capable of receiving another device, such as an ablation catheter (not shown).
  • In accordance with the present invention, the distal portion of the guide catheter will be advanced through the femoral artery into the left ventricle. [0078]
  • In another exemplary embodiment of the invention, as shown in FIG. 17, an ablation catheter [0079] 450 may have a filter membrane 452 arranged proximal to the distal end of catheter 450 by means discussed above, such as a sheath concentric to the catheter or a wire, or other means.
  • The preceding specific exemplary embodiments are illustrative of the practice of the invention. It is to be understood, however, that other expedients known to those skilled in the art or disclosed herein, may be employed without departing from the spirit of the invention or the scope of the appended claims. [0080]

Claims (20)

    What is claimed is:
  1. 1. A removable percutaneous vascular filter system for blocking emboli in a vessel while allowing continued perfusion of blood comprising:
    a guidewire having distal and proximal ends,
    a filter comprising (a) a non-metallic, porous, filter membrane having a distal portion and a proximal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible filter membrane proximal portion, wherein said filter membrane distal portion is pivotally attached to the guidewire near said distal end of the guidewire and wherein the filter membrane proximal free end portion is substantially parallel to the guidewire in its collapsed state; and
    deploying means operatively connected to the filter to cause the filter membrane proximal free end portion to move from a position substantially parallel to the guidewire to a position removed from the longitudinal axis of the guidewire to cause the flexible filter member to form a substantially conical shape, and to form a generally sealing relationship with the wall of said vessel.
  2. 2. The removable percutaneous vascular filter system of claim 1, further comprising an infusion catheter having a proximal end and a distal end, and at least one infusion hole for causing medication to be delivered to a site, with said infusion catheter coaxially disposed around said guidewire, and said at least one infusion hole positioned proximal to said filter.
  3. 3. The removable percutaneous vascular filter system of claim 1, further comprising a balloon catheter shaft having a proximal end and a distal end, and at least one lumen, the proximal end having a hub comprising first and second ports, and the distal end comprising an inflatable balloon, with said balloon catheter coaxially disposed around said guidewire, and said inflatable balloon positioned proximal to said filter.
  4. 4. The removable percutaneous vascular filter system of claim 4, further comprising a stent coaxially disposed around said inflatable balloon.
  5. 5. The removable percutaneous vascular filter system of claim 1, 2, 3 or 4, wherein the pore size of the porous filter membrane is variable.
  6. 6. A percutaneous vascular filter system comprising:
    a guidewire having proximal and distal ends;
    a filter arranged around said guidewire, said filter (a) a non-metallic, porous, filter membrane having a distal portion and a proximal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible filter membrane proximal portion, wherein the flexible membrane distal portion is pivotally attached to the guidewire adjacent its distal end and the proximal end of the filter is attached to the guidewire; and
    a sheath arranged around said guidewire and having proximal and distal ends, the distal end of the sheath having a lumen of sufficient diameter to slide over the proximal portion of the filter.
  7. 7. The removable percutaneous vascular filter system of claim 6, further comprising an infusion catheter having a proximal end and a distal end, and at least one infusion hole for causing medication to be delivered to a site, with said infusion catheter coaxially disposed around said guidewire, and said at least one infusion hole positioned proximal to said filter.
  8. 8. The removable percutaneous vascular filter system of claim 6, further comprising a balloon catheter shaft having a proximal end and a distal end, and at least one lumen, the proximal end having a hub comprising first and second ports, and the distal end comprising an inflatable balloon, with said balloon catheter coaxially disposed around said guidewire, and said inflatable balloon positioned proximal to said filter.
  9. 9. The removable percutaneous vascular filter system of claim 8, further comprising a stent coaxially disposed around said inflatable balloon.
  10. 10. The removable percutaneous vascular filter system of claim 6, 7, 8 or 9, wherein the pore size of the porous filter membrane is variable.
  11. 11. A removable percutaneous vascular filter system for blocking emboli in a vessel while allowing continued perfusion of blood, comprising:
    a guidewire having distal and proximal ends;
    a filter comprising (a) a non-metallic, porous, filter membrane having a proximal portion and a distal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible filter membrane proximal portion, wherein said filter membrane support structure is pivotally attached to the guidewire near said distal end of the guidewire and wherein the filter membrane distal free end portion is substantially parallel to the guidewire in its collapsed state; and
    deploying means operatively connected to the filter to cause the filter membrane proximal free end portion to move from a position substantially parallel to the guidewire to a position removed from the longitudinal axis of the guidewire to cause the flexible filter member to form a substantially conical shape, and to form a generally sealing relationship with the wall of said vessel.
  12. 12. A removable percutaneous vascular filter system for blocking emboli in a vessel while allowing continued perfusion of blood, comprising:
    a guidewire having distal and proximal ends;
    a filter comprising (a) a non-metallic, porous, filter membrane having a proximal portion and a distal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible filter membrane proximal portion, wherein said filter membrane support structure is pivotally attached to the guidewire near said distal end of the guidewire and wherein the filter membrane distal free end portion is substantially parallel to the guidewire in its collapsed state; and
    a sheath concentrically arranged around said guidewire and having proximal and distal ends, the distal end of the sheath having a lumen of sufficient diameter to slide over the proximal portion of the filter.
  13. 13. The removable percutaneous vascular filter system of claim 11 or 12, wherein the pore size of the porous filter membrane is variable.
  14. 14. An improved device for use with a catheter for ablation within the body, wherein the catheter has a proximal end and distal end, and an outer surface, said distal end having ablative capability, the improvement comprising a distally facing, porous, filter membrane and filter membrane support structure arranged on the outer surface of the catheter proximal to its distal end.
  15. 15. The device of claim 12, wherein the catheter has an outer sheath arranged thereon, which outer sheath can be advanced distally to collapse the filter.
  16. 16. The device of claim 13, wherein the distally facing, porous filter membrane comprises pores with diameters in the range of from about 20 to about 300 microns.
  17. 17. An improved device for use with a infusion catheter for causing medication to be delivered to a thrombus, the improvement comprising:
    a vascular filter positioned distal to said infusion catheter;
    said vascular filter comprising a guidewire having distal and proximal ends, with said infusion catheter coaxially disposed around said guidewire;
    said vascular filter further comprising (a) a non-metallic, porous filter membrane having a distal portion and a proximal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible filter membrane proximal portion, and deploying means operatively connected to the filter to cause the filter membrane support structure to form a substantially conical shape, and to form a generally sealing relationship with the wall of said vessel.
  18. 18. An improved device for use with a balloon catheter, the improvement comprising:
    a vascular filter positioned distal to said balloon catheter;
    said vascular filter comprising a guidewire having distal and proximal ends, with said balloon catheter coaxially disposed around said guidewire;
    said vascular filter further comprising (a) a non-metallic, porous filter membrane having a distal portion and a proximal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible membrane proximal portion, and deploying means operatively connected to the filter to cause the filter membrane support structure to form a substantially conical shape, and to form a generally sealing relationship with the wall of said vessel.
  19. 19. An improved device for use with a stent delivery system, the improvement comprising:
    a vascular filter positioned distal to said stent delivery system;
    said vascular filter comprising a guidewire having distal and proximal ends, with said stent delivery system coaxially disposed around said guidewire;
    said vascular filter further comprising (a) a non-metallic, porous filter membrane having a distal portion and a proximal free end portion, wherein the pore size of the porous filter membrane is in the range of from about 20 to about 300 microns, and (b) a filter membrane support structure extending from the flexible filter membrane distal portion to the flexible filter membrane proximal portion, and deploying means operatively connected to the filter to cause the filter membrane support structure to form a substantially conical shape, and to form a generally sealing relationship with the wall of said vessel.
  20. 20. The removable percutaneous vascular filter system as in any one of claim 14-19, wherein the pore size of the porous filter membrane is variable.
US10045296 1997-02-03 2001-11-07 Vascular filter system Abandoned US20020138094A1 (en)

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US09249377 US6391044B1 (en) 1997-02-03 1999-02-12 Vascular filter system
US10045296 US20020138094A1 (en) 1999-02-12 2001-11-07 Vascular filter system

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US10045296 US20020138094A1 (en) 1999-02-12 2001-11-07 Vascular filter system
US10198670 US7399308B2 (en) 1999-02-12 2002-07-19 Vascular filter system
DE2002617264 DE60217264D1 (en) 2001-11-07 2002-11-06 Filter system for blood vessels
JP2002322806A JP4387092B2 (en) 2001-11-07 2002-11-06 Vascular filter system
DE2002617264 DE60217264T2 (en) 2001-11-07 2002-11-06 Filter system for blood vessels
CA 2411229 CA2411229C (en) 2001-11-07 2002-11-06 Vascular filter system
EP20020257674 EP1310219B1 (en) 2001-11-07 2002-11-06 Vascular filter system
ES02257674T ES2278880T3 (en) 2001-11-07 2002-11-06 Vascular filter system.

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Cited By (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020120286A1 (en) * 2001-02-28 2002-08-29 Scimed Life Systems, Inc. Filter retrieval catheter
US20030100918A1 (en) * 2001-11-29 2003-05-29 Duane Patrick J. Apparatus for temporary intraluminal protection
US20030208224A1 (en) * 2002-05-06 2003-11-06 Scimed Life Systems, Inc. Inverted embolic protection filter
US20040215230A1 (en) * 2003-04-28 2004-10-28 Frazier Andrew G. C. Left atrial appendage occlusion device with active expansion
US20060129143A1 (en) * 2002-11-11 2006-06-15 Erik Flaxmeier Metal electrode
US20060155305A1 (en) * 2002-09-11 2006-07-13 Franz Freudenthal Extraction device
US20080065145A1 (en) * 2006-09-11 2008-03-13 Carpenter Judith T Embolic protection device and method of use
US7479151B2 (en) 2002-08-05 2009-01-20 Gardia Medical Ltd. Embolism filter with self-deployable guidewire stop
US7662166B2 (en) 2000-12-19 2010-02-16 Advanced Cardiocascular Systems, Inc. Sheathless embolic protection system
US7662165B2 (en) 1997-11-07 2010-02-16 Salviac Limited Embolic protection device
US7678131B2 (en) 2002-10-31 2010-03-16 Advanced Cardiovascular Systems, Inc. Single-wire expandable cages for embolic filtering devices
US7678129B1 (en) 2004-03-19 2010-03-16 Advanced Cardiovascular Systems, Inc. Locking component for an embolic filter assembly
US7691128B2 (en) 2002-05-06 2010-04-06 St. Jude Medical, Cardiology Division, Inc. PFO closure devices and related methods of use
US7713282B2 (en) 1998-11-06 2010-05-11 Atritech, Inc. Detachable atrial appendage occlusion balloon
US7717937B2 (en) 2001-06-01 2010-05-18 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods and tools, and related methods of use
US20100125265A1 (en) * 2008-11-20 2010-05-20 Medtronic Vascular, Inc. Cell Delivery System to Induce Cell Growth and Angiogenesis
US7735493B2 (en) 2003-08-15 2010-06-15 Atritech, Inc. System and method for delivering a left atrial appendage containment device
US20100179583A1 (en) * 2006-09-11 2010-07-15 Carpenter Judith T Methods of deploying and retrieving an embolic diversion device
US20100179647A1 (en) * 2006-09-11 2010-07-15 Carpenter Judith T Methods of reducing embolism to cerebral circulation as a consequence of an index cardiac procedure
US20100179585A1 (en) * 2006-09-11 2010-07-15 Carpenter Judith T Embolic deflection device
US7766934B2 (en) 2005-07-12 2010-08-03 Cook Incorporated Embolic protection device with an integral basket and bag
US7771452B2 (en) 2005-07-12 2010-08-10 Cook Incorporated Embolic protection device with a filter bag that disengages from a basket
US20100204725A1 (en) * 2007-10-17 2010-08-12 Gardia Medical Ltd. Guidewire stop
US20100211095A1 (en) * 2006-09-11 2010-08-19 Carpenter Judith T Embolic Protection Device and Method of Use
US7780697B2 (en) 1997-11-07 2010-08-24 Salviac Limited Embolic protection system
US7780694B2 (en) 1999-12-23 2010-08-24 Advanced Cardiovascular Systems, Inc. Intravascular device and system
US7799051B2 (en) 1999-05-07 2010-09-21 Salviac Limited Support frame for an embolic protection device
US7815660B2 (en) 2002-09-30 2010-10-19 Advanced Cardivascular Systems, Inc. Guide wire with embolic filtering attachment
US7819844B2 (en) 2007-10-17 2010-10-26 Gardia Medical Ltd. Guidewire stop
US7842064B2 (en) 2001-08-31 2010-11-30 Advanced Cardiovascular Systems, Inc. Hinged short cage for an embolic protection device
WO2010141417A2 (en) * 2009-06-01 2010-12-09 Mayo Foundation For Medical Education And Research Systems and methods for impairing smooth muscle tissue function
US7850708B2 (en) 2005-06-20 2010-12-14 Cook Incorporated Embolic protection device having a reticulated body with staggered struts
US7867273B2 (en) 2007-06-27 2011-01-11 Abbott Laboratories Endoprostheses for peripheral arteries and other body vessels
US7892251B1 (en) 2003-11-12 2011-02-22 Advanced Cardiovascular Systems, Inc. Component for delivering and locking a medical device to a guide wire
US7901427B2 (en) 1997-11-07 2011-03-08 Salviac Limited Filter element with retractable guidewire tip
US7918820B2 (en) 1999-12-30 2011-04-05 Advanced Cardiovascular Systems, Inc. Device for, and method of, blocking emboli in vessels such as blood arteries
US7927349B2 (en) 2001-12-21 2011-04-19 Salviac Limited Support frame for an embolic protection device
US7959647B2 (en) 2001-08-30 2011-06-14 Abbott Cardiovascular Systems Inc. Self furling umbrella frame for carotid filter
US7959646B2 (en) 2001-06-29 2011-06-14 Abbott Cardiovascular Systems Inc. Filter device for embolic protection systems
US7972356B2 (en) 2001-12-21 2011-07-05 Abbott Cardiovascular Systems, Inc. Flexible and conformable embolic filtering devices
US7972359B2 (en) 2005-09-16 2011-07-05 Atritech, Inc. Intracardiac cage and method of delivering same
US7976560B2 (en) 2002-09-30 2011-07-12 Abbott Cardiovascular Systems Inc. Embolic filtering devices
US8002790B2 (en) 1999-05-07 2011-08-23 Salviac Limited Support frame for an embolic protection device
US8016854B2 (en) 2001-06-29 2011-09-13 Abbott Cardiovascular Systems Inc. Variable thickness embolic filtering devices and methods of manufacturing the same
US8043329B2 (en) 1999-11-08 2011-10-25 Atritech, Inc. Method of implanting an adjustable occlusion device
US8080032B2 (en) 1998-11-06 2011-12-20 Atritech, Inc. Method and device for left atrial appendage occlusion
US8109962B2 (en) 2005-06-20 2012-02-07 Cook Medical Technologies Llc Retrievable device having a reticulation portion with staggered struts
US8137377B2 (en) 1999-12-23 2012-03-20 Abbott Laboratories Embolic basket
US8142442B2 (en) 1999-12-23 2012-03-27 Abbott Laboratories Snare
US8152831B2 (en) 2005-11-17 2012-04-10 Cook Medical Technologies Llc Foam embolic protection device
US8177791B2 (en) 2000-07-13 2012-05-15 Abbott Cardiovascular Systems Inc. Embolic protection guide wire
US8182508B2 (en) 2005-10-04 2012-05-22 Cook Medical Technologies Llc Embolic protection device
US8187298B2 (en) 2005-08-04 2012-05-29 Cook Medical Technologies Llc Embolic protection device having inflatable frame
US20120136368A1 (en) * 2005-02-28 2012-05-31 Boston Scientific Scimed, Inc. Distal Release Retrieval Assembly and Related Methods of Use
US8216269B2 (en) 2005-11-02 2012-07-10 Cook Medical Technologies Llc Embolic protection device having reduced profile
US8216209B2 (en) 2007-05-31 2012-07-10 Abbott Cardiovascular Systems Inc. Method and apparatus for delivering an agent to a kidney
US20120179196A1 (en) * 2005-01-03 2012-07-12 Eric Johnson Distal protection devices and methods of providing distal protection
US8221446B2 (en) 2005-03-15 2012-07-17 Cook Medical Technologies Embolic protection device
US8252017B2 (en) 2005-10-18 2012-08-28 Cook Medical Technologies Llc Invertible filter for embolic protection
US8252018B2 (en) 2007-09-14 2012-08-28 Cook Medical Technologies Llc Helical embolic protection device
US8262689B2 (en) 2001-09-28 2012-09-11 Advanced Cardiovascular Systems, Inc. Embolic filtering devices
US8372112B2 (en) 2003-04-11 2013-02-12 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods, and related methods of use
US8377092B2 (en) 2005-09-16 2013-02-19 Cook Medical Technologies Llc Embolic protection device
US8382796B2 (en) 2003-04-11 2013-02-26 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods and related methods of use
US8388644B2 (en) 2008-12-29 2013-03-05 Cook Medical Technologies Llc Embolic protection device and method of use
US20130060276A1 (en) * 2010-05-25 2013-03-07 Gordon Donald Hocking Catheter apparatus
US8419748B2 (en) 2007-09-14 2013-04-16 Cook Medical Technologies Llc Helical thrombus removal device
US20130144327A1 (en) * 2002-04-01 2013-06-06 W. L. Gore & Associates, Inc. Methods of manufacture and use of endoluminal devices
US8591540B2 (en) 2003-02-27 2013-11-26 Abbott Cardiovascular Systems Inc. Embolic filtering devices
US8632562B2 (en) 2005-10-03 2014-01-21 Cook Medical Technologies Llc Embolic protection device
US20140142609A1 (en) * 2002-03-05 2014-05-22 Salviac Limited Embolic protection system
US8795315B2 (en) 2004-10-06 2014-08-05 Cook Medical Technologies Llc Emboli capturing device having a coil and method for capturing emboli
US8795305B2 (en) 2011-05-23 2014-08-05 Lazarus Effect, Inc. Retrieval systems and methods for use thereof
US8801746B1 (en) 2004-05-04 2014-08-12 Covidien Lp System and method for delivering a left atrial appendage containment device
US20140277013A1 (en) * 2013-03-15 2014-09-18 Microvention, Inc. Multi-Component Obstruction Removal System And Method
US20140277086A1 (en) * 2013-03-14 2014-09-18 Cook Medical Technologies Llc Umbrella inferior vena cava filter retrieval device
US8845583B2 (en) 1999-12-30 2014-09-30 Abbott Cardiovascular Systems Inc. Embolic protection devices
CN104068912A (en) * 2013-03-26 2014-10-01 上海微创医疗器械(集团)有限公司 Intracranial vascular thrombus retrieval machine and thrombus retrieval device
US8900265B1 (en) * 2014-01-03 2014-12-02 Legacy Ventures LLC Clot retrieval system
US8945169B2 (en) 2005-03-15 2015-02-03 Cook Medical Technologies Llc Embolic protection device
US9023077B2 (en) 2002-10-17 2015-05-05 W.L. Gore & Associates, Inc. Embolic filter frame having looped support strut elements
CN104759022A (en) * 2014-01-08 2015-07-08 柯惠有限合伙公司 Catheter System
US20150209049A1 (en) * 2014-01-29 2015-07-30 Cook Biotech Incorporated Occlusion device and method of use thereof
US20150230907A1 (en) * 2014-02-18 2015-08-20 Cook Medical Technologies Llc Flexible embolic double filter
US9138307B2 (en) 2007-09-14 2015-09-22 Cook Medical Technologies Llc Expandable device for treatment of a stricture in a body vessel
US9144509B2 (en) 2007-05-31 2015-09-29 Abbott Cardiovascular Systems Inc. Method and apparatus for delivering an agent to a kidney
US9149610B2 (en) 2007-05-31 2015-10-06 Abbott Cardiovascular Systems Inc. Method and apparatus for improving delivery of an agent to a kidney
US9204887B2 (en) 2012-08-14 2015-12-08 W. L. Gore & Associates, Inc. Devices and systems for thrombus treatment
US9259305B2 (en) 2005-03-31 2016-02-16 Abbott Cardiovascular Systems Inc. Guide wire locking mechanism for rapid exchange and other catheter systems
US9295393B2 (en) 2012-11-09 2016-03-29 Elwha Llc Embolism deflector
US20160128822A1 (en) * 2014-11-06 2016-05-12 Furqan Tejani Thromboembolic protection device
US9364586B2 (en) 2007-05-31 2016-06-14 Abbott Cardiovascular Systems Inc. Method and apparatus for improving delivery of an agent to a kidney
US20170368309A1 (en) * 2013-12-23 2017-12-28 Route 92 Medical, Inc. Methods And Systems For Treatment Of Acute Ischemic Stroke
US9901434B2 (en) 2007-02-27 2018-02-27 Cook Medical Technologies Llc Embolic protection device including a Z-stent waist band
US9907639B2 (en) 2006-09-19 2018-03-06 Cook Medical Technologies Llc Apparatus and methods for in situ embolic protection
US9931128B2 (en) 2006-02-03 2018-04-03 Covidien Lp Methods for restoring blood flow within blocked vasculature

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000067666A1 (en) * 1999-05-07 2000-11-16 Salviac Limited Improved filter element for embolic protection device
JP2002543877A (en) * 1999-05-07 2002-12-24 サルヴィアック・リミテッド The embolic protection device
US8414543B2 (en) * 1999-10-22 2013-04-09 Rex Medical, L.P. Rotational thrombectomy wire with blocking device
US7321677B2 (en) * 2000-05-09 2008-01-22 Paieon Inc. System and method for three-dimensional reconstruction of an artery
EP1402826B1 (en) * 2002-08-20 2013-06-12 Nipro Corporation Thrombus capture catheter
US7604649B2 (en) * 2003-04-29 2009-10-20 Rex Medical, L.P. Distal protection device
US7331976B2 (en) 2003-04-29 2008-02-19 Rex Medical, L.P. Distal protection device
US7056286B2 (en) 2003-11-12 2006-06-06 Adrian Ravenscroft Medical device anchor and delivery system
US8182528B2 (en) * 2003-12-23 2012-05-22 Sadra Medical, Inc. Locking heart valve anchor
EP2529696B1 (en) 2003-12-23 2014-01-29 Sadra Medical, Inc. Repositionable heart valve
US8579962B2 (en) * 2003-12-23 2013-11-12 Sadra Medical, Inc. Methods and apparatus for performing valvuloplasty
US20050137694A1 (en) 2003-12-23 2005-06-23 Haug Ulrich R. Methods and apparatus for endovascularly replacing a patient's heart valve
US7824443B2 (en) 2003-12-23 2010-11-02 Sadra Medical, Inc. Medical implant delivery and deployment tool
US7329279B2 (en) * 2003-12-23 2008-02-12 Sadra Medical, Inc. Methods and apparatus for endovascularly replacing a patient's heart valve
US9526609B2 (en) 2003-12-23 2016-12-27 Boston Scientific Scimed, Inc. Methods and apparatus for endovascularly replacing a patient's heart valve
US7381219B2 (en) * 2003-12-23 2008-06-03 Sadra Medical, Inc. Low profile heart valve and delivery system
US8052749B2 (en) 2003-12-23 2011-11-08 Sadra Medical, Inc. Methods and apparatus for endovascular heart valve replacement comprising tissue grasping elements
US20050137686A1 (en) * 2003-12-23 2005-06-23 Sadra Medical, A Delaware Corporation Externally expandable heart valve anchor and method
US9005273B2 (en) 2003-12-23 2015-04-14 Sadra Medical, Inc. Assessing the location and performance of replacement heart valves
US20050137691A1 (en) * 2003-12-23 2005-06-23 Sadra Medical Two piece heart valve and anchor
US7824442B2 (en) * 2003-12-23 2010-11-02 Sadra Medical, Inc. Methods and apparatus for endovascularly replacing a heart valve
US7445631B2 (en) 2003-12-23 2008-11-04 Sadra Medical, Inc. Methods and apparatus for endovascularly replacing a patient's heart valve
US7748389B2 (en) * 2003-12-23 2010-07-06 Sadra Medical, Inc. Leaflet engagement elements and methods for use thereof
US8603160B2 (en) * 2003-12-23 2013-12-10 Sadra Medical, Inc. Method of using a retrievable heart valve anchor with a sheath
US20050137687A1 (en) * 2003-12-23 2005-06-23 Sadra Medical Heart valve anchor and method
US8343213B2 (en) 2003-12-23 2013-01-01 Sadra Medical, Inc. Leaflet engagement elements and methods for use thereof
US7959666B2 (en) 2003-12-23 2011-06-14 Sadra Medical, Inc. Methods and apparatus for endovascularly replacing a heart valve
US8840663B2 (en) 2003-12-23 2014-09-23 Sadra Medical, Inc. Repositionable heart valve method
US7780725B2 (en) 2004-06-16 2010-08-24 Sadra Medical, Inc. Everting heart valve
JP5116957B2 (en) * 2004-07-22 2013-01-09 コーディス・コーポレイションCordis Corporation Filtration device and methods of blood in a blood vessel having a spiral element
CA2580209C (en) * 2004-09-17 2013-11-12 Nitinol Development Corporation Shape memory thin film embolic protection device with frame
US20060149312A1 (en) * 2004-12-30 2006-07-06 Edward Arguello Distal protection device with improved wall apposition
US7962208B2 (en) 2005-04-25 2011-06-14 Cardiac Pacemakers, Inc. Method and apparatus for pacing during revascularization
US7712606B2 (en) 2005-09-13 2010-05-11 Sadra Medical, Inc. Two-part package for medical implant
US8287584B2 (en) * 2005-11-14 2012-10-16 Sadra Medical, Inc. Medical implant deployment tool
EP1988851A2 (en) 2006-02-14 2008-11-12 Sadra Medical, Inc. Systems and methods for delivering a medical implant
US7846175B2 (en) 2006-04-03 2010-12-07 Medrad, Inc. Guidewire and collapsable filter system
US7867246B2 (en) 2006-04-24 2011-01-11 Boston Scientific Scimed, Inc. Self-flushing medical apparatus
US8668712B2 (en) 2007-08-31 2014-03-11 BiO2 Medical, Inc. Multi-lumen central access vena cava filter apparatus and method of using same
US8613753B2 (en) 2007-08-31 2013-12-24 BiO2 Medical, Inc. Multi-lumen central access vena cava filter apparatus and method of using same
US8795318B2 (en) * 2007-09-07 2014-08-05 Merit Medical Systems, Inc. Percutaneous retrievable vascular filter
US8062328B2 (en) 2007-09-07 2011-11-22 Merit Medical Systems, Inc. Percutaneous permanent retrievable vascular filter
ES2627860T3 (en) 2008-10-10 2017-07-31 Boston Scientific Scimed, Inc. to place medical devices medical devices and installation systems
US8444577B2 (en) * 2009-01-05 2013-05-21 Cook Medical Technologies Llc Medical guide wire
EP2480165B1 (en) 2009-09-21 2017-08-23 Claret Medical, Inc. Intravascular blood filters
US9326843B2 (en) * 2009-01-16 2016-05-03 Claret Medical, Inc. Intravascular blood filters and methods of use
US8753370B2 (en) 2009-07-27 2014-06-17 Claret Medical, Inc. Dual endovascular filter and methods of use
US9649211B2 (en) 2009-11-04 2017-05-16 Confluent Medical Technologies, Inc. Alternating circumferential bridge stent design and methods for use thereof
US9463036B2 (en) 2010-10-22 2016-10-11 Neuravi Limited Clot engagement and removal system
US20120158037A1 (en) * 2010-12-16 2012-06-21 BiO2 Medical, Inc. Vascular filter assembly having low profile sheath
US9055997B2 (en) 2010-12-30 2015-06-16 Claret Medical, Inc. Method of isolating the cerebral circulation during a cardiac procedure
US9301769B2 (en) 2011-03-09 2016-04-05 Neuravi Limited Clot retrieval device for removing clot from a blood vessel
US9707374B2 (en) 2011-03-14 2017-07-18 Cook Medical Technologies Llc Infusion system having filtration device and method
WO2012127309A4 (en) 2011-03-21 2013-01-31 Montorfano Matteo Disk-based valve apparatus and method for the treatment of valve dysfunction
JP2014527425A (en) 2011-07-12 2014-10-16 ボストン サイエンティフィック サイムド,インコーポレイテッドBoston Scientific Scimed,Inc. Coupling system for medical equipment
US8734480B2 (en) 2011-08-05 2014-05-27 Merit Medical Systems, Inc. Vascular filter
US8740931B2 (en) 2011-08-05 2014-06-03 Merit Medical Systems, Inc. Vascular filter
US9131926B2 (en) 2011-11-10 2015-09-15 Boston Scientific Scimed, Inc. Direct connect flush system
US8940014B2 (en) 2011-11-15 2015-01-27 Boston Scientific Scimed, Inc. Bond between components of a medical device
US8951243B2 (en) 2011-12-03 2015-02-10 Boston Scientific Scimed, Inc. Medical device handle
US9510945B2 (en) 2011-12-20 2016-12-06 Boston Scientific Scimed Inc. Medical device handle
US9277993B2 (en) 2011-12-20 2016-03-08 Boston Scientific Scimed, Inc. Medical device delivery systems
US9452039B2 (en) 2012-02-23 2016-09-27 Merit Medical Systems, Inc. Vascular filter
US9597171B2 (en) 2012-09-11 2017-03-21 Covidien Lp Retrieval catheter with expandable tip
CN102973332B (en) * 2012-11-23 2015-01-21 杭州启明医疗器械有限公司 Thrombus filter and using method thereof
US9642635B2 (en) 2013-03-13 2017-05-09 Neuravi Limited Clot removal device
US9433429B2 (en) 2013-03-14 2016-09-06 Neuravi Limited Clot retrieval devices
JP2016513505A (en) 2013-03-14 2016-05-16 ニューラヴィ・リミテッド Clot retrieval device for removing an obstruction clot from a blood vessel
WO2014141226A1 (en) 2013-03-15 2014-09-18 National University Of Ireland A device suitable for removing matter from inside the lumen and the wall of a body lumen
US8870948B1 (en) 2013-07-17 2014-10-28 Cephea Valve Technologies, Inc. System and method for cardiac valve repair and replacement
JP2015202227A (en) * 2014-04-15 2015-11-16 ニプロ株式会社 Filter device
WO2015159759A1 (en) * 2014-04-15 2015-10-22 ニプロ株式会社 Filter device
US9901445B2 (en) 2014-11-21 2018-02-27 Boston Scientific Scimed, Inc. Valve locking mechanism
US20160158000A1 (en) 2014-12-09 2016-06-09 Juan F. Granada Replacement cardiac valves and methods of use and manufacture
US9861477B2 (en) 2015-01-26 2018-01-09 Boston Scientific Scimed Inc. Prosthetic heart valve square leaflet-leaflet stitch
US9788942B2 (en) 2015-02-03 2017-10-17 Boston Scientific Scimed Inc. Prosthetic heart valve having tubular seal
US9566144B2 (en) 2015-04-22 2017-02-14 Claret Medical, Inc. Vascular filters, deflectors, and methods
WO2016204137A1 (en) * 2015-06-16 2016-12-22 テルモ株式会社 Medical device and treatment method
JP2017077323A (en) * 2015-10-20 2017-04-27 朝日インテック株式会社 catheter

Family Cites Families (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435824A (en) * 1966-10-27 1969-04-01 Herminio Gamponia Surgical apparatus and related process
US3889685A (en) * 1973-11-02 1975-06-17 Cutter Lab Tubular unit with vessel engaging cuff structure
US3952747A (en) * 1974-03-28 1976-04-27 Kimmell Jr Garman O Filter and filter insertion instrument
US4230119A (en) * 1978-12-01 1980-10-28 Medical Engineering Corp. Micro-hemostat
US4349029A (en) * 1980-06-16 1982-09-14 Mott Patricia A Drainage balloon catheter system
US4425908A (en) * 1981-10-22 1984-01-17 Beth Israel Hospital Blood clot filter
US4545390A (en) * 1982-09-22 1985-10-08 C. R. Bard, Inc. Steerable guide wire for balloon dilatation procedure
US4727873A (en) * 1984-04-17 1988-03-01 Mobin Uddin Kazi Embolus trap
US4494531A (en) * 1982-12-06 1985-01-22 Cook, Incorporated Expandable blood clot filter
US5190546A (en) * 1983-10-14 1993-03-02 Raychem Corporation Medical devices incorporating SIM alloy elements
US4790813A (en) * 1984-12-17 1988-12-13 Intravascular Surgical Instruments, Inc. Method and apparatus for surgically removing remote deposits
US4842579B1 (en) * 1984-05-14 1995-10-31 Surgical Systems & Instr Inc Atherectomy device
DK151404C (en) * 1984-05-23 1988-07-18 Cook Europ Aps William Collapsible filter for implantation in a patient's blood vessel
US4926858A (en) * 1984-05-30 1990-05-22 Devices For Vascular Intervention, Inc. Atherectomy device for severe occlusions
FR2573646B1 (en) * 1984-11-29 1988-11-25 Celsa Composants Electr Sa Filter improves, especially for retaining blood clots
US4619274A (en) * 1985-04-18 1986-10-28 Advanced Cardiovascular Systems, Inc. Torsional guide wire with attenuated diameter
US4706671A (en) * 1985-05-02 1987-11-17 Weinrib Harry P Catheter with coiled tip
US4790812A (en) * 1985-11-15 1988-12-13 Hawkins Jr Irvin F Apparatus and method for removing a target object from a body passsageway
US4723549A (en) * 1986-09-18 1988-02-09 Wholey Mark H Method and apparatus for dilating blood vessels
US4793348A (en) * 1986-11-15 1988-12-27 Palmaz Julio C Balloon expandable vena cava filter to prevent migration of lower extremity venous clots into the pulmonary circulation
FR2606641B1 (en) * 1986-11-17 1991-07-12 Promed filtering device for blood clots
US4794928A (en) * 1987-06-10 1989-01-03 Kletschka Harold D Angioplasty device and method of using the same
US4873978A (en) * 1987-12-04 1989-10-17 Robert Ginsburg Device and method for emboli retrieval
FR2632864B2 (en) * 1987-12-31 1990-10-19 Biomat Sarl filtering system for anti-embolic elastic vena cava and all means for its implementation
US4884573A (en) * 1988-03-07 1989-12-05 Leocor, Inc. Very low profile angioplasty balloon catheter with capacity to use steerable, removable guidewire
FR2632848A1 (en) * 1988-06-21 1989-12-22 Lefebvre Jean Marie Filter medical use
US4832055A (en) * 1988-07-08 1989-05-23 Palestrant Aubrey M Mechanically locking blood clot filter
US4921484A (en) * 1988-07-25 1990-05-01 Cordis Corporation Mesh balloon catheter device
US5011488A (en) * 1988-12-07 1991-04-30 Robert Ginsburg Thrombus extraction system
US5152777A (en) * 1989-01-25 1992-10-06 Uresil Corporation Device and method for providing protection from emboli and preventing occulsion of blood vessels
US4969891A (en) * 1989-03-06 1990-11-13 Gewertz Bruce L Removable vascular filter
US5242462A (en) * 1989-09-07 1993-09-07 Boston Scientific Corp. Percutaneous anti-migration vena cava filter
US5059205A (en) * 1989-09-07 1991-10-22 Boston Scientific Corporation Percutaneous anti-migration vena cava filter
US5092839A (en) * 1989-09-29 1992-03-03 Kipperman Robert M Coronary thrombectomy
US5531788A (en) * 1989-10-09 1996-07-02 Foundation Pour L'avenir Pour La Recherche Medicale Appliquee Anti-Pulmonary embolism filter
GB2238485B (en) * 1989-11-28 1993-07-14 Cook William Europ A collapsible filter for introduction in a blood vessel of a patient
US5421832A (en) * 1989-12-13 1995-06-06 Lefebvre; Jean-Marie Filter-catheter and method of manufacturing same
US5095915A (en) * 1990-03-19 1992-03-17 Target Therapeutics Guidewire with flexible distal tip
US5221261A (en) * 1990-04-12 1993-06-22 Schneider (Usa) Inc. Radially expandable fixation member
EP0525110B1 (en) * 1990-04-19 1997-06-04 InStent Inc. Device for the treatment of constricted vessels
US5190540A (en) * 1990-06-08 1993-03-02 Cardiovascular & Interventional Research Consultants, Inc. Thermal balloon angioplasty
US5279546A (en) * 1990-06-27 1994-01-18 Lake Region Manufacturing Company, Inc. Thrombolysis catheter system
CA2048307C (en) * 1990-08-14 1998-08-18 Rolf Gunther Method and apparatus for filtering blood in a blood vessel of a patient
US5108419A (en) * 1990-08-16 1992-04-28 Evi Corporation Endovascular filter and method for use thereof
US5100423A (en) * 1990-08-21 1992-03-31 Medical Engineering & Development Institute, Inc. Ablation catheter
US5053008A (en) * 1990-11-21 1991-10-01 Sandeep Bajaj Intracardiac catheter
CA2106194A1 (en) * 1991-03-14 1992-09-15 Alain Dibie Improved pulmonary embolism prevention filter and associated positioning and fitting kit
US5372600A (en) 1991-10-31 1994-12-13 Instent Inc. Stent delivery systems
US6059825A (en) * 1992-03-05 2000-05-09 Angiodynamics, Inc. Clot filter
US5201757A (en) * 1992-04-03 1993-04-13 Schneider (Usa) Inc. Medial region deployment of radially self-expanding stents
US5324304A (en) * 1992-06-18 1994-06-28 William Cook Europe A/S Introduction catheter set for a collapsible self-expandable implant
US5423849A (en) * 1993-01-15 1995-06-13 Target Therapeutics, Inc. Vasoocclusion device containing radiopaque fibers
DE69433064T2 (en) * 1993-10-01 2004-06-17 Boston Scientific Corp., Natick Vena cava filter
US5613949A (en) * 1994-04-01 1997-03-25 Advanced Cardiovascular Systems, Inc. Double balloon catheter assembly
JPH10504738A (en) * 1994-07-08 1998-05-12 マイクロベナ コーポレイション Forming method and vascular embolization device of the medical device
US6214025B1 (en) * 1994-11-30 2001-04-10 Boston Scientific Corporation Self-centering, self-expanding and retrievable vena cava filter
US5709704A (en) * 1994-11-30 1998-01-20 Boston Scientific Corporation Blood clot filtering
US6013093A (en) * 1995-11-28 2000-01-11 Boston Scientific Corporation Blood clot filtering
US5549626A (en) * 1994-12-23 1996-08-27 New York Society For The Ruptured And Crippled Maintaining The Hospital For Special Surgery Vena caval filter
US5562509A (en) * 1995-02-27 1996-10-08 Sanshin Kogyo Kabushiki Kaisha Watercraft catalytic exhaust system
US5807398A (en) * 1995-04-28 1998-09-15 Shaknovich; Alexander Shuttle stent delivery catheter
US5681347A (en) * 1995-05-23 1997-10-28 Boston Scientific Corporation Vena cava filter delivery system
US5779716A (en) * 1995-10-06 1998-07-14 Metamorphic Surgical Devices, Inc. Device for removing solid objects from body canals, cavities and organs
US6168604B1 (en) * 1995-10-06 2001-01-02 Metamorphic Surgical Devices, Llc Guide wire device for removing solid objects from body canals
US5769816A (en) * 1995-11-07 1998-06-23 Embol-X, Inc. Cannula with associated filter
US5695519A (en) 1995-11-30 1997-12-09 American Biomed, Inc. Percutaneous filter for carotid angioplasty
NL1002423C2 (en) * 1996-02-22 1997-08-25 Cordis Europ Temporary filter catheter.
US5662671A (en) * 1996-07-17 1997-09-02 Embol-X, Inc. Atherectomy device having trapping and excising means for removal of plaque from the aorta and other arteries
US5662631A (en) * 1996-08-13 1997-09-02 Marx; Sherwood D. Male external catheter assembly with vacuum retention
US5749890A (en) * 1996-12-03 1998-05-12 Shaknovich; Alexander Method and system for stent placement in ostial lesions
US5876367A (en) * 1996-12-05 1999-03-02 Embol-X, Inc. Cerebral protection during carotid endarterectomy and downstream vascular protection during other surgeries
DE69830340D1 (en) * 1997-02-03 2005-06-30 Angioguard Inc vascular filters
US6391044B1 (en) * 1997-02-03 2002-05-21 Angioguard, Inc. Vascular filter system
US5882329A (en) * 1997-02-12 1999-03-16 Prolifix Medical, Inc. Apparatus and method for removing stenotic material from stents
US5814064A (en) 1997-03-06 1998-09-29 Scimed Life Systems, Inc. Distal protection device
US5827324A (en) * 1997-03-06 1998-10-27 Scimed Life Systems, Inc. Distal protection device
EP1011532B1 (en) * 1997-04-23 2014-05-07 Ethicon Endo-Surgery, Inc. Bifurcated stent and distal protection system
US5957929A (en) 1997-05-02 1999-09-28 Micro Therapeutics, Inc. Expandable stent apparatus and method
US5911734A (en) 1997-05-08 1999-06-15 Embol-X, Inc. Percutaneous catheter and guidewire having filter and medical device deployment capabilities
US6059814A (en) * 1997-06-02 2000-05-09 Medtronic Ave., Inc. Filter for filtering fluid in a bodily passageway
US5848964A (en) 1997-06-06 1998-12-15 Samuels; Shaun Lawrence Wilkie Temporary inflatable filter device and method of use
JP3645399B2 (en) * 1997-06-09 2005-05-11 住友金属工業株式会社 Intravascular stent
DE29880158U1 (en) * 1997-11-07 2000-11-30 Salviac Ltd Embolic protection device
US6152946A (en) * 1998-03-05 2000-11-28 Scimed Life Systems, Inc. Distal protection device and method
US6087015A (en) * 1998-05-15 2000-07-11 Mobil Oil Corporation Matte surface film
US6241746B1 (en) * 1998-06-29 2001-06-05 Cordis Corporation Vascular filter convertible to a stent and method
US6051014A (en) * 1998-10-13 2000-04-18 Embol-X, Inc. Percutaneous filtration catheter for valve repair surgery and methods of use
US6068621A (en) * 1998-11-20 2000-05-30 Embol X, Inc. Articulating cannula
US6277139B1 (en) * 1999-04-01 2001-08-21 Scion Cardio-Vascular, Inc. Vascular protection and embolic material retriever
US6080178A (en) * 1999-04-20 2000-06-27 Meglin; Allen J. Vena cava filter
US6267776B1 (en) * 1999-05-03 2001-07-31 O'connell Paul T. Vena cava filter and method for treating pulmonary embolism
JP2002543877A (en) * 1999-05-07 2002-12-24 サルヴィアック・リミテッド The embolic protection device
US6179859B1 (en) * 1999-07-16 2001-01-30 Baff Llc Emboli filtration system and methods of use
US6203561B1 (en) * 1999-07-30 2001-03-20 Incept Llc Integrated vascular device having thrombectomy element and vascular filter and methods of use
US6214026B1 (en) * 1999-07-30 2001-04-10 Incept Llc Delivery system for a vascular device with articulation region
US6179861B1 (en) * 1999-07-30 2001-01-30 Incept Llc Vascular device having one or more articulation regions and methods of use
US6346116B1 (en) * 1999-08-03 2002-02-12 Medtronic Ave, Inc. Distal protection device
US6280432B1 (en) * 1999-08-04 2001-08-28 Embol-X, Inc. Clip-on access port and methods of use
US6235044B1 (en) * 1999-08-04 2001-05-22 Scimed Life Systems, Inc. Percutaneous catheter and guidewire for filtering during ablation of mycardial or vascular tissue
US6277138B1 (en) * 1999-08-17 2001-08-21 Scion Cardio-Vascular, Inc. Filter for embolic material mounted on expandable frame
US6290710B1 (en) * 1999-12-29 2001-09-18 Advanced Cardiovascular Systems, Inc. Embolic protection device

Cited By (173)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8057504B2 (en) 1997-11-07 2011-11-15 Salviac Limited Embolic protection device
US8241319B2 (en) 1997-11-07 2012-08-14 Salviac Limited Embolic protection system
US8226678B2 (en) 1997-11-07 2012-07-24 Salviac Limited Embolic protection device
US8221448B2 (en) 1997-11-07 2012-07-17 Salviac Limited Embolic protection device
US7901426B2 (en) 1997-11-07 2011-03-08 Salviac Limited Embolic protection device
US7901427B2 (en) 1997-11-07 2011-03-08 Salviac Limited Filter element with retractable guidewire tip
US8328842B2 (en) 1997-11-07 2012-12-11 Salviac Limited Filter element with retractable guidewire tip
US8216270B2 (en) 1997-11-07 2012-07-10 Salviac Limited Embolic protection device
US8603131B2 (en) 1997-11-07 2013-12-10 Salviac Limited Embolic protection device
US8430901B2 (en) 1997-11-07 2013-04-30 Salviac Limited Embolic protection device
US7972352B2 (en) 1997-11-07 2011-07-05 Salviac Limited Embolic protection system
US7662165B2 (en) 1997-11-07 2010-02-16 Salviac Limited Embolic protection device
US7846176B2 (en) 1997-11-07 2010-12-07 Salviac Limited Embolic protection system
US7842063B2 (en) 1997-11-07 2010-11-30 Salviac Limited Embolic protection device
US7837701B2 (en) 1997-11-07 2010-11-23 Salviac Limited Embolic protection device
US7833242B2 (en) 1997-11-07 2010-11-16 Salviac Limited Embolic protection device
US7785342B2 (en) 1997-11-07 2010-08-31 Salviac Limited Embolic protection device
US7780697B2 (en) 1997-11-07 2010-08-24 Salviac Limited Embolic protection system
US8123776B2 (en) 1997-11-07 2012-02-28 Salviac Limited Embolic protection system
US8852226B2 (en) 1997-11-07 2014-10-07 Salviac Limited Vascular device for use during an interventional procedure
US8052716B2 (en) 1997-11-07 2011-11-08 Salviac Limited Embolic protection system
US7842066B2 (en) 1997-11-07 2010-11-30 Salviac Limited Embolic protection system
US7713282B2 (en) 1998-11-06 2010-05-11 Atritech, Inc. Detachable atrial appendage occlusion balloon
US9168043B2 (en) 1998-11-06 2015-10-27 Atritech, Inc. Method for left atrial appendage occlusion
US8080032B2 (en) 1998-11-06 2011-12-20 Atritech, Inc. Method and device for left atrial appendage occlusion
US8523897B2 (en) 1998-11-06 2013-09-03 Atritech, Inc. Device for left atrial appendage occlusion
US8834519B2 (en) 1998-11-06 2014-09-16 Artritech, Inc. Method and device for left atrial appendage occlusion
US7799051B2 (en) 1999-05-07 2010-09-21 Salviac Limited Support frame for an embolic protection device
US8002790B2 (en) 1999-05-07 2011-08-23 Salviac Limited Support frame for an embolic protection device
US8323309B2 (en) 1999-11-08 2012-12-04 Atritech, Inc. Adjustable left atrial appendage implant
US8287563B2 (en) 1999-11-08 2012-10-16 Atritech, Inc. Implant retrieval system
US8043329B2 (en) 1999-11-08 2011-10-25 Atritech, Inc. Method of implanting an adjustable occlusion device
US9943299B2 (en) 1999-11-08 2018-04-17 Atritech, Inc. Method of implanting an adjustable occlusion device
US8663273B2 (en) 1999-11-08 2014-03-04 Atritech, Inc. Method of implanting an adjustable occlusion device
US8142442B2 (en) 1999-12-23 2012-03-27 Abbott Laboratories Snare
US8137377B2 (en) 1999-12-23 2012-03-20 Abbott Laboratories Embolic basket
US7780694B2 (en) 1999-12-23 2010-08-24 Advanced Cardiovascular Systems, Inc. Intravascular device and system
US7918820B2 (en) 1999-12-30 2011-04-05 Advanced Cardiovascular Systems, Inc. Device for, and method of, blocking emboli in vessels such as blood arteries
US8845583B2 (en) 1999-12-30 2014-09-30 Abbott Cardiovascular Systems Inc. Embolic protection devices
US8177791B2 (en) 2000-07-13 2012-05-15 Abbott Cardiovascular Systems Inc. Embolic protection guide wire
US7931666B2 (en) 2000-12-19 2011-04-26 Advanced Cardiovascular Systems, Inc. Sheathless embolic protection system
US7662166B2 (en) 2000-12-19 2010-02-16 Advanced Cardiocascular Systems, Inc. Sheathless embolic protection system
US7942893B2 (en) * 2001-02-28 2011-05-17 Boston Scientific Scimed, Inc. Filter retrieval catheter
US20060025805A1 (en) * 2001-02-28 2006-02-02 Dobrava Eric M Filter retrieval catheter
US20020120286A1 (en) * 2001-02-28 2002-08-29 Scimed Life Systems, Inc. Filter retrieval catheter
US8777985B2 (en) 2001-06-01 2014-07-15 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods and tools, and related methods of use
US7717937B2 (en) 2001-06-01 2010-05-18 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods and tools, and related methods of use
US9078630B2 (en) 2001-06-01 2015-07-14 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods and tools, and related methods of use
US8016854B2 (en) 2001-06-29 2011-09-13 Abbott Cardiovascular Systems Inc. Variable thickness embolic filtering devices and methods of manufacturing the same
US7959646B2 (en) 2001-06-29 2011-06-14 Abbott Cardiovascular Systems Inc. Filter device for embolic protection systems
US7959647B2 (en) 2001-08-30 2011-06-14 Abbott Cardiovascular Systems Inc. Self furling umbrella frame for carotid filter
US7842064B2 (en) 2001-08-31 2010-11-30 Advanced Cardiovascular Systems, Inc. Hinged short cage for an embolic protection device
US8262689B2 (en) 2001-09-28 2012-09-11 Advanced Cardiovascular Systems, Inc. Embolic filtering devices
US6890340B2 (en) * 2001-11-29 2005-05-10 Medtronic Vascular, Inc. Apparatus for temporary intraluminal protection
US20030100918A1 (en) * 2001-11-29 2003-05-29 Duane Patrick J. Apparatus for temporary intraluminal protection
US8114115B2 (en) 2001-12-21 2012-02-14 Salviac Limited Support frame for an embolic protection device
US7927349B2 (en) 2001-12-21 2011-04-19 Salviac Limited Support frame for an embolic protection device
US7972356B2 (en) 2001-12-21 2011-07-05 Abbott Cardiovascular Systems, Inc. Flexible and conformable embolic filtering devices
US20140142609A1 (en) * 2002-03-05 2014-05-22 Salviac Limited Embolic protection system
US20130144327A1 (en) * 2002-04-01 2013-06-06 W. L. Gore & Associates, Inc. Methods of manufacture and use of endoluminal devices
US8801750B2 (en) 2002-04-01 2014-08-12 W.L. Gore & Associates, Inc. Methods of manufacture and use of endoluminal devices
US8597322B2 (en) 2002-04-01 2013-12-03 W. L. Gore & Associates, Inc. Methods of manufacture and use of endoluminal devices
US8795322B2 (en) * 2002-04-01 2014-08-05 W. L. Gore & Associates, Inc. Methods of manufacture and use of endoluminal devices
US20030208224A1 (en) * 2002-05-06 2003-11-06 Scimed Life Systems, Inc. Inverted embolic protection filter
US8070769B2 (en) * 2002-05-06 2011-12-06 Boston Scientific Scimed, Inc. Inverted embolic protection filter
US7976564B2 (en) 2002-05-06 2011-07-12 St. Jude Medical, Cardiology Division, Inc. PFO closure devices and related methods of use
US7691128B2 (en) 2002-05-06 2010-04-06 St. Jude Medical, Cardiology Division, Inc. PFO closure devices and related methods of use
US7479151B2 (en) 2002-08-05 2009-01-20 Gardia Medical Ltd. Embolism filter with self-deployable guidewire stop
US20060155305A1 (en) * 2002-09-11 2006-07-13 Franz Freudenthal Extraction device
US7815660B2 (en) 2002-09-30 2010-10-19 Advanced Cardivascular Systems, Inc. Guide wire with embolic filtering attachment
US7976560B2 (en) 2002-09-30 2011-07-12 Abbott Cardiovascular Systems Inc. Embolic filtering devices
US9642691B2 (en) 2002-10-17 2017-05-09 W. L. Gore & Associates, Inc Vessel occlusion device and method of using same
US9023077B2 (en) 2002-10-17 2015-05-05 W.L. Gore & Associates, Inc. Embolic filter frame having looped support strut elements
US9023076B2 (en) 2002-10-17 2015-05-05 W. L. Gore & Associates, Inc. Embolic filter frame having looped support strut elements
US7678131B2 (en) 2002-10-31 2010-03-16 Advanced Cardiovascular Systems, Inc. Single-wire expandable cages for embolic filtering devices
US20060129143A1 (en) * 2002-11-11 2006-06-15 Erik Flaxmeier Metal electrode
US7988662B2 (en) 2002-11-11 2011-08-02 Admedes Schuessler Gmbh Metal electrode
US8591540B2 (en) 2003-02-27 2013-11-26 Abbott Cardiovascular Systems Inc. Embolic filtering devices
US8382796B2 (en) 2003-04-11 2013-02-26 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods and related methods of use
US8372112B2 (en) 2003-04-11 2013-02-12 St. Jude Medical, Cardiology Division, Inc. Closure devices, related delivery methods, and related methods of use
US8574264B2 (en) 2003-04-11 2013-11-05 St. Jude Medical, Cardiology Division, Inc. Method for retrieving a closure device
US20040215230A1 (en) * 2003-04-28 2004-10-28 Frazier Andrew G. C. Left atrial appendage occlusion device with active expansion
US7735493B2 (en) 2003-08-15 2010-06-15 Atritech, Inc. System and method for delivering a left atrial appendage containment device
US7892251B1 (en) 2003-11-12 2011-02-22 Advanced Cardiovascular Systems, Inc. Component for delivering and locking a medical device to a guide wire
US7678129B1 (en) 2004-03-19 2010-03-16 Advanced Cardiovascular Systems, Inc. Locking component for an embolic filter assembly
US8308753B2 (en) 2004-03-19 2012-11-13 Advanced Cardiovascular Systems, Inc. Locking component for an embolic filter assembly
US7879065B2 (en) 2004-03-19 2011-02-01 Advanced Cardiovascular Systems, Inc. Locking component for an embolic filter assembly
US8801746B1 (en) 2004-05-04 2014-08-12 Covidien Lp System and method for delivering a left atrial appendage containment device
US9314249B2 (en) 2004-05-04 2016-04-19 Covidien Lp System and method for delivering a left atrial appendage containment device
US8795315B2 (en) 2004-10-06 2014-08-05 Cook Medical Technologies Llc Emboli capturing device having a coil and method for capturing emboli
US20120179196A1 (en) * 2005-01-03 2012-07-12 Eric Johnson Distal protection devices and methods of providing distal protection
US9351748B2 (en) * 2005-01-03 2016-05-31 Crux Biomedical, Inc. Distal protection devices and methods of providing distal protection
US20140025083A1 (en) * 2005-02-28 2014-01-23 Boston Scientific Scimed, Inc. Distal release retrieval assembly and related methods of use
US20120136368A1 (en) * 2005-02-28 2012-05-31 Boston Scientific Scimed, Inc. Distal Release Retrieval Assembly and Related Methods of Use
US8979870B2 (en) * 2005-02-28 2015-03-17 Boston Scientific Scimed, Inc. Distal release retrieval assembly and related methods of use
US8551111B2 (en) * 2005-02-28 2013-10-08 Boston Scientific Scimed, Inc. Distal release retrieval assembly and related methods of use
US8945169B2 (en) 2005-03-15 2015-02-03 Cook Medical Technologies Llc Embolic protection device
US8221446B2 (en) 2005-03-15 2012-07-17 Cook Medical Technologies Embolic protection device
US9259305B2 (en) 2005-03-31 2016-02-16 Abbott Cardiovascular Systems Inc. Guide wire locking mechanism for rapid exchange and other catheter systems
US8845677B2 (en) 2005-06-20 2014-09-30 Cook Medical Technologies Llc Retrievable device having a reticulation portion with staggered struts
US7850708B2 (en) 2005-06-20 2010-12-14 Cook Incorporated Embolic protection device having a reticulated body with staggered struts
US8109962B2 (en) 2005-06-20 2012-02-07 Cook Medical Technologies Llc Retrievable device having a reticulation portion with staggered struts
US7867247B2 (en) 2005-07-12 2011-01-11 Cook Incorporated Methods for embolic protection during treatment of a stenotic lesion in a body vessel
US7766934B2 (en) 2005-07-12 2010-08-03 Cook Incorporated Embolic protection device with an integral basket and bag
US7771452B2 (en) 2005-07-12 2010-08-10 Cook Incorporated Embolic protection device with a filter bag that disengages from a basket
US8187298B2 (en) 2005-08-04 2012-05-29 Cook Medical Technologies Llc Embolic protection device having inflatable frame
US7972359B2 (en) 2005-09-16 2011-07-05 Atritech, Inc. Intracardiac cage and method of delivering same
US8377092B2 (en) 2005-09-16 2013-02-19 Cook Medical Technologies Llc Embolic protection device
US9445895B2 (en) 2005-09-16 2016-09-20 Atritech, Inc. Intracardiac cage and method of delivering same
US8632562B2 (en) 2005-10-03 2014-01-21 Cook Medical Technologies Llc Embolic protection device
US8182508B2 (en) 2005-10-04 2012-05-22 Cook Medical Technologies Llc Embolic protection device
US8252017B2 (en) 2005-10-18 2012-08-28 Cook Medical Technologies Llc Invertible filter for embolic protection
US8216269B2 (en) 2005-11-02 2012-07-10 Cook Medical Technologies Llc Embolic protection device having reduced profile
US8152831B2 (en) 2005-11-17 2012-04-10 Cook Medical Technologies Llc Foam embolic protection device
US9931128B2 (en) 2006-02-03 2018-04-03 Covidien Lp Methods for restoring blood flow within blocked vasculature
US20100179583A1 (en) * 2006-09-11 2010-07-15 Carpenter Judith T Methods of deploying and retrieving an embolic diversion device
US20080065145A1 (en) * 2006-09-11 2008-03-13 Carpenter Judith T Embolic protection device and method of use
US20100179585A1 (en) * 2006-09-11 2010-07-15 Carpenter Judith T Embolic deflection device
US8460335B2 (en) 2006-09-11 2013-06-11 Embrella Cardiovascular, Inc. Method of deflecting emboli from the cerebral circulation
US20100179647A1 (en) * 2006-09-11 2010-07-15 Carpenter Judith T Methods of reducing embolism to cerebral circulation as a consequence of an index cardiac procedure
US9480548B2 (en) 2006-09-11 2016-11-01 Edwards Lifesciences Ag Embolic protection device and method of use
US9339367B2 (en) 2006-09-11 2016-05-17 Edwards Lifesciences Ag Embolic deflection device
US20100211095A1 (en) * 2006-09-11 2010-08-19 Carpenter Judith T Embolic Protection Device and Method of Use
US9907639B2 (en) 2006-09-19 2018-03-06 Cook Medical Technologies Llc Apparatus and methods for in situ embolic protection
US9901434B2 (en) 2007-02-27 2018-02-27 Cook Medical Technologies Llc Embolic protection device including a Z-stent waist band
US9364586B2 (en) 2007-05-31 2016-06-14 Abbott Cardiovascular Systems Inc. Method and apparatus for improving delivery of an agent to a kidney
US9144509B2 (en) 2007-05-31 2015-09-29 Abbott Cardiovascular Systems Inc. Method and apparatus for delivering an agent to a kidney
US9149610B2 (en) 2007-05-31 2015-10-06 Abbott Cardiovascular Systems Inc. Method and apparatus for improving delivery of an agent to a kidney
US9108028B2 (en) 2007-05-31 2015-08-18 Abbott Cardivascular Systems Inc. Method and apparatus for delivering an agent to a kidney
US8216209B2 (en) 2007-05-31 2012-07-10 Abbott Cardiovascular Systems Inc. Method and apparatus for delivering an agent to a kidney
US8496615B2 (en) 2007-05-31 2013-07-30 Abbott Cardiovascular Systems, Inc. Method and apparatus for delivering an agent to a kidney
US7867273B2 (en) 2007-06-27 2011-01-11 Abbott Laboratories Endoprostheses for peripheral arteries and other body vessels
US8419748B2 (en) 2007-09-14 2013-04-16 Cook Medical Technologies Llc Helical thrombus removal device
US8252018B2 (en) 2007-09-14 2012-08-28 Cook Medical Technologies Llc Helical embolic protection device
US9398946B2 (en) 2007-09-14 2016-07-26 Cook Medical Technologies Llc Expandable device for treatment of a stricture in a body vessel
US9138307B2 (en) 2007-09-14 2015-09-22 Cook Medical Technologies Llc Expandable device for treatment of a stricture in a body vessel
US8545533B2 (en) 2007-10-17 2013-10-01 Gardia Medical Ltd. Guidewire stop
US20100204725A1 (en) * 2007-10-17 2010-08-12 Gardia Medical Ltd. Guidewire stop
US7819844B2 (en) 2007-10-17 2010-10-26 Gardia Medical Ltd. Guidewire stop
US20100125265A1 (en) * 2008-11-20 2010-05-20 Medtronic Vascular, Inc. Cell Delivery System to Induce Cell Growth and Angiogenesis
US8657849B2 (en) 2008-12-29 2014-02-25 Cook Medical Technologies Llc Embolic protection device and method of use
US8388644B2 (en) 2008-12-29 2013-03-05 Cook Medical Technologies Llc Embolic protection device and method of use
WO2010141417A2 (en) * 2009-06-01 2010-12-09 Mayo Foundation For Medical Education And Research Systems and methods for impairing smooth muscle tissue function
WO2010141417A3 (en) * 2009-06-01 2011-03-31 Mayo Foundation For Medical Education And Research Systems and methods for impairing smooth muscle tissue function
US20130060276A1 (en) * 2010-05-25 2013-03-07 Gordon Donald Hocking Catheter apparatus
EP2575632A4 (en) * 2010-05-25 2015-03-18 Access Point Technologies Inc Catheter apparatus
US9750518B2 (en) * 2010-05-25 2017-09-05 Access Point Technologies, Inc. Catheter apparatus
EP2575632A1 (en) * 2010-05-25 2013-04-10 Access Point Technologies, Inc. Catheter apparatus
US9943323B2 (en) 2011-05-23 2018-04-17 Covidien IP Retrieval systems and methods for use thereof
US8932319B2 (en) 2011-05-23 2015-01-13 Lazarus Effect, Inc. Retrieval systems and methods for use thereof
US8795305B2 (en) 2011-05-23 2014-08-05 Lazarus Effect, Inc. Retrieval systems and methods for use thereof
US9358094B2 (en) 2011-05-23 2016-06-07 Lazarus Effect, Inc. Retrieval systems and methods for use thereof
US9308007B2 (en) 2012-08-14 2016-04-12 W. L. Gore & Associates, Inc. Devices and systems for thrombus treatment
US9204887B2 (en) 2012-08-14 2015-12-08 W. L. Gore & Associates, Inc. Devices and systems for thrombus treatment
US9579119B2 (en) 2012-08-14 2017-02-28 W. L. Gore & Associates, Inc. Devices and systems for thrombus treatment
US9295393B2 (en) 2012-11-09 2016-03-29 Elwha Llc Embolism deflector
US9414752B2 (en) 2012-11-09 2016-08-16 Elwha Llc Embolism deflector
US9844395B2 (en) * 2013-03-14 2017-12-19 Cook Medical Technologies Llc Umbrella inferior vena cava filter retrieval device
US20140277086A1 (en) * 2013-03-14 2014-09-18 Cook Medical Technologies Llc Umbrella inferior vena cava filter retrieval device
US20140277013A1 (en) * 2013-03-15 2014-09-18 Microvention, Inc. Multi-Component Obstruction Removal System And Method
US9833252B2 (en) * 2013-03-15 2017-12-05 Microvention, Inc. Multi-component obstruction removal system and method
CN104068912A (en) * 2013-03-26 2014-10-01 上海微创医疗器械(集团)有限公司 Intracranial vascular thrombus retrieval machine and thrombus retrieval device
US20170368309A1 (en) * 2013-12-23 2017-12-28 Route 92 Medical, Inc. Methods And Systems For Treatment Of Acute Ischemic Stroke
US8900265B1 (en) * 2014-01-03 2014-12-02 Legacy Ventures LLC Clot retrieval system
US20150190615A1 (en) * 2014-01-08 2015-07-09 Covidien Lp Catheter system
US9937325B2 (en) * 2014-01-08 2018-04-10 Covidien Lp Catheter system
CN104759022A (en) * 2014-01-08 2015-07-08 柯惠有限合伙公司 Catheter System
US20150209049A1 (en) * 2014-01-29 2015-07-30 Cook Biotech Incorporated Occlusion device and method of use thereof
US10004512B2 (en) * 2014-01-29 2018-06-26 Cook Biotech Incorporated Occlusion device and method of use thereof
US9782247B2 (en) * 2014-02-18 2017-10-10 Cook Medical Technologies, LLC Flexible embolic double filter
US20150230907A1 (en) * 2014-02-18 2015-08-20 Cook Medical Technologies Llc Flexible embolic double filter
US20160128822A1 (en) * 2014-11-06 2016-05-12 Furqan Tejani Thromboembolic protection device
US9987117B2 (en) * 2014-11-06 2018-06-05 Furqan Tejani Thromboembolic protection device

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