CA2420558A1 - Vascular filter system for cardiopulmonary bypass - Google Patents
Vascular filter system for cardiopulmonary bypass Download PDFInfo
- Publication number
- CA2420558A1 CA2420558A1 CA002420558A CA2420558A CA2420558A1 CA 2420558 A1 CA2420558 A1 CA 2420558A1 CA 002420558 A CA002420558 A CA 002420558A CA 2420558 A CA2420558 A CA 2420558A CA 2420558 A1 CA2420558 A1 CA 2420558A1
- Authority
- CA
- Canada
- Prior art keywords
- openings
- filter system
- filter
- housing
- cardiopulmonary bypass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/01—Filters implantable into blood vessels
- A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/01—Filters implantable into blood vessels
- A61F2/0105—Open ended, i.e. legs gathered only at one side
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/01—Filters implantable into blood vessels
- A61F2/0108—Both ends closed, i.e. legs gathered at both ends
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/01—Filters implantable into blood vessels
- A61F2002/016—Filters implantable into blood vessels made from wire-like elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2/00—Filters 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
- A61F2/01—Filters implantable into blood vessels
- A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0067—Three-dimensional shapes conical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0071—Three-dimensional shapes spherical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0073—Quadric-shaped
- A61F2230/008—Quadric-shaped paraboloidal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0086—Pyramidal, tetrahedral, or wedge-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0093—Umbrella-shaped, e.g. mushroom-shaped
Abstract
A removable vascular filter system for capture and retrieval of emboli while allowing continuous perfusion of blood during a cardiopulmonary bypass procedure, comprising a porous filter membrane with variable diameter holes, and a filter membrane support structure. The system may minimize the incidence of stroke, myocardial infarction or other clinical complications that may be associated with cardiopulmonary bypass procedures.
Claims (8)
1. A cardiopulmonary bypass filter system comprising:
a housing having distal and proximal ends, the proximal end comprising a connector adapted to connect to at least one hose and the distal end comprising a distal member having first and second openings, wherein the housing comprises a fret lumen adapted to be in fluid communication with the at least one hose and one of the first and second openings and a second lumen extending from a port to the other of the first and second openings in the housing distal member; and a vascular filter system comprising a collapsible filter advancable through the housing port, said vascular filter. system comprising (a) a filter membrane support structure, and (b) a flier membrane attached to said filter membrane support structure, said filter membrane having openings, wherein said openings have variable diameters, and wherein the diameter of said openings range from about 20 to about 300 microns.
a housing having distal and proximal ends, the proximal end comprising a connector adapted to connect to at least one hose and the distal end comprising a distal member having first and second openings, wherein the housing comprises a fret lumen adapted to be in fluid communication with the at least one hose and one of the first and second openings and a second lumen extending from a port to the other of the first and second openings in the housing distal member; and a vascular filter system comprising a collapsible filter advancable through the housing port, said vascular filter. system comprising (a) a filter membrane support structure, and (b) a flier membrane attached to said filter membrane support structure, said filter membrane having openings, wherein said openings have variable diameters, and wherein the diameter of said openings range from about 20 to about 300 microns.
2. The filter system of claim 1, wherein the housing is adapted to be connected to a cardiopulmonary bypass machine.
3. The filter system of claim 1, wherein said housing has a distal flange.
4. The filter system of claim 3, wherein said flange is rigid or flexible.
5. The filter system of claim 1, wherein said two lumens form a substantially V-shape.
6. The filter system of claim 1, wherein said housing distal member is capable of extending into a blood vessel.
7. The filter system of claim 1 wherein said openings are non-uniformly spaced.
8. The filter system of claim 1 wherein said openings comprise fibers attached to said openings to increase embolic capture.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/083,868 US7229463B2 (en) | 1999-07-30 | 2002-02-26 | Vascular filter system for cardiopulmonary bypass |
US10/083,868 | 2002-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2420558A1 true CA2420558A1 (en) | 2003-08-26 |
CA2420558C CA2420558C (en) | 2011-09-20 |
Family
ID=27660383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2420558A Expired - Fee Related CA2420558C (en) | 2002-02-26 | 2003-02-25 | Vascular filter system for cardiopulmonary bypass |
Country Status (9)
Country | Link |
---|---|
US (1) | US7229463B2 (en) |
EP (1) | EP1338250B1 (en) |
JP (1) | JP4338991B2 (en) |
AT (1) | ATE304824T1 (en) |
AU (1) | AU2003200691B2 (en) |
CA (1) | CA2420558C (en) |
DE (1) | DE60301633T2 (en) |
ES (1) | ES2249686T3 (en) |
MX (1) | MXPA03001776A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7727270B2 (en) | 2005-05-04 | 2010-06-01 | Wilson Cook Medical Inc | Expandable and retrievable stent |
Families Citing this family (99)
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2003
- 2003-02-25 DE DE60301633T patent/DE60301633T2/en not_active Expired - Lifetime
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- 2003-02-25 AT AT03251112T patent/ATE304824T1/en not_active IP Right Cessation
- 2003-02-25 EP EP03251112A patent/EP1338250B1/en not_active Expired - Lifetime
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- 2003-02-25 AU AU2003200691A patent/AU2003200691B2/en not_active Ceased
- 2003-02-26 MX MXPA03001776A patent/MXPA03001776A/en active IP Right Grant
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EP1338250B1 (en) | 2005-09-21 |
DE60301633D1 (en) | 2005-10-27 |
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ATE304824T1 (en) | 2005-10-15 |
AU2003200691A1 (en) | 2003-09-11 |
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JP2003265487A (en) | 2003-09-24 |
EP1338250A1 (en) | 2003-08-27 |
JP4338991B2 (en) | 2009-10-07 |
CA2420558C (en) | 2011-09-20 |
AU2003200691B2 (en) | 2008-02-14 |
DE60301633T2 (en) | 2006-06-29 |
ES2249686T3 (en) | 2006-04-01 |
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