CA2395342A1 - Arterial filter with aspiration and methods of use - Google Patents

Arterial filter with aspiration and methods of use Download PDF

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Publication number
CA2395342A1
CA2395342A1 CA002395342A CA2395342A CA2395342A1 CA 2395342 A1 CA2395342 A1 CA 2395342A1 CA 002395342 A CA002395342 A CA 002395342A CA 2395342 A CA2395342 A CA 2395342A CA 2395342 A1 CA2395342 A1 CA 2395342A1
Authority
CA
Canada
Prior art keywords
filter
aspiration tube
distal end
vertex
cannula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002395342A
Other languages
French (fr)
Other versions
CA2395342C (en
Inventor
Yue-Teh Jang
Richard O. Murphy
Roman Turovskiy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edwards Lifesciences Corp
Original Assignee
Embol-X, Inc.
Yue-Teh Jang
Richard O. Murphy
Roman Turovskiy
Edwards Lifesciences Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Embol-X, Inc., Yue-Teh Jang, Richard O. Murphy, Roman Turovskiy, Edwards Lifesciences Corporation filed Critical Embol-X, Inc.
Publication of CA2395342A1 publication Critical patent/CA2395342A1/en
Application granted granted Critical
Publication of CA2395342C publication Critical patent/CA2395342C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61F2/0105—Open ended, i.e. legs gathered only at one side
    • 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
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • 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
    • A61M1/84—Drainage tubes; Aspiration tips
    • A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
    • 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
    • A61F2230/0073—Quadric-shaped
    • A61F2230/008—Quadric-shaped paraboloidal

Abstract

A filter (10) comprising a porous material is arranged in a generally conica l shape having an expandable base (11) and a vertex (12). A reservoir tip (15) is located at the vertex (12) for collecting filtered embolic material. The tip (15) communicates with a distal port (26) and lumen of an aspiration tub e (20) for removing embolic material under vacuum. A vessel occluding device (60) comprising a non-permeable material having an expandable conical shape and communicating with an aspiration tube (20) is also disclosed. Methods of using the filter and occluding devices for protecting a patient from embolization during cardiovascular procedures are described.

Claims (40)

1. A filter, comprising:
a porous material arranged in a generally conical shape having an expandable base and a vertex;
a reservoir tip located at the vertex of the cone for collecting filtered embolic material; and an aspiration tube having a proximal end, a distal end, and a lumen therebetween, the lumen communicating with a port at the distal end, the distal end of the aspiration tube extending into and communicating with the reservoir tip.
2. The filter of claim 1, wherein the reservoir tip comprises a nonporous material.
3. The filter of claim 1, further comprising a vacuum pump communicating with the proximal end of the aspiration tube.
4. The filter of claim 1, further comprising an infusion port in the reservoir tip for infusion of saline.
5. The filter of claim 1, wherein the aspiration tube further comprises a turbine.
6. The filter of claim 2, wherein the reservoir tip comprises latex.
7. The filter of claim 6, wherein the latex covers a sector bounded by first and second radii and the included arc of a circle.
8. The filter of claim 1, wherein the filter is mounted on a cannula.
9. The filter of claim 1, wherein the filter is mounted on an insertion handle.
10. The filter of claim 9, wherein the aspiration tube extends proximally within the insertion handle.
11 11. The filter of claim 1, wherein the aspiration tube extends proximally within an obturator.
12. The filter of claim 8, wherein the aspiration tube extends proximally within the cannula.
13. A method for protecting a patient from embolization, comprising the steps of:
insetting a filter into the patient's aorta, the filter having a reservoir tip and an aspiration tube communicating with a port at the reservoir tip;

expanding the filter;
aspirating emboli through the suction port, wherein embolic material is removed from the aorta; and collapsing the filter and removing the filter form the aorta.
14. The method of claim 13, further comprising the step of manipulating the aorta upstream of the filter.
15. The method of claim 13, further comprising the step of inserting an aortic cannula for perfusion of oxygenated blood.
16. The method of claim 15, further comprising the step of performing cardiopulmonary bypass.
17. The method of claim 13, further comprising the step of performing cardiac surgery.
18. The method of claim 13, wherein the filter comprises a porous material arranged in a generally conical shape having an expanded base and a vertex.
19. The method of claim 13, wherein the reservoir tip collects filtered embolic material.
20. The method of claim 13, wherein the aspiration tube has a proximal end, a distal end, and a lumen therebetween.
21. The method of claim 13, wherein the port is at the distal end of the aspiration tube.
22. The method of claim 13, wherein the distal end of the aspiration tube extends into and communicates with the reservoir tip.
23. The method of claim 13, wherein the aspiration tube extends proximally within an obturator.
24. A vessel occluding device, comprising:
a nonporous material arranged in a generally conical shape having an expandable base and a vertex; and an aspiration tube having a proximal end, a distal end, and a lumen therebetween, the lumen communicating with a port at the distal end, the distal end of the aspiration tube extending into an interior of the conical-shaped nonporous material and communicating with the vertex.
25. The device of claim 24, further comprising a reservoir tip located at the vertex of the cone for collecting filtered embolic material.
26. The device of claim 24, wherein the nonporous material is mounted at a distal end of a cannula.
27. The device of claim 24, wherein the nonporous material is mounted on an insertion handle.
28. The device of claim 24, wherein the aspiration tube is carried within the cannula.
29. The device of claim 24, wherein the aspiration tube extends proximally within an obturator.
30. The device of claim 26, wherein the aspiration tube extends proximally within the cannula.
31. A method for protecting a patient from embolization, comprising the steps of:
inserting a cannula into the patient's aorta, the cannula having a nonporous material and an aspiration tube extending into an interior of the conical-shaped nonporous material and communicating with a port at a vertex of the nonporous material;
expanding the nonporous material to occlude the aorta;
aspirating blood through the port, wherein embolic material is removed with the blood; and collapsing the nonporous material and removing the cannula form the aorta.
32. The method of claim 31, further comprising the step of manipulating the aorta upstream of the expanded nonporous material.
33. The method of claim 31, further comprising the step of inserting an aortic cannula for perfusion of oxygenated blood.
34. The method of claim 31, wherein the porous material is arranged in a generally conical shape having an expanded base and a vertex.
35. The method of claim 31, wherein a reservoir tip is located at the vertex of the cone for collecting filtered embolic material.
36. The method of claim 31, wherein the aspiration tube has a proximal end, a distal end, and a lumen therebetween.
37. The method of claim 35, wherein the aspiration tube extends into and communicates with the reservoir tip.
38. The method of claim 33, further comprising the step of performing cardiopulmonary bypass.
39. The method of claim 31, further comprising the step of performing cardiac surgery.
40. The method of claim 31, wherein the aspiration tube extends proximally within an obturator.
CA002395342A 1999-12-28 2000-12-27 Arterial filter with aspiration and methods of use Expired - Fee Related CA2395342C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/473,584 1999-12-28
US09/473,584 US6406471B1 (en) 1999-12-28 1999-12-28 Arterial filter with aspiration and methods of use
PCT/US2000/035687 WO2001047579A1 (en) 1999-12-28 2000-12-27 Arterial filter with aspiration and methods of use

Publications (2)

Publication Number Publication Date
CA2395342A1 true CA2395342A1 (en) 2001-07-05
CA2395342C CA2395342C (en) 2009-12-15

Family

ID=23880166

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002395342A Expired - Fee Related CA2395342C (en) 1999-12-28 2000-12-27 Arterial filter with aspiration and methods of use

Country Status (5)

Country Link
US (2) US6406471B1 (en)
EP (1) EP1246654A4 (en)
AU (1) AU776366B2 (en)
CA (1) CA2395342C (en)
WO (1) WO2001047579A1 (en)

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Also Published As

Publication number Publication date
AU2295801A (en) 2001-07-09
WO2001047579A1 (en) 2001-07-05
US6406471B1 (en) 2002-06-18
CA2395342C (en) 2009-12-15
US6723085B2 (en) 2004-04-20
EP1246654A4 (en) 2008-01-23
AU776366B2 (en) 2004-09-09
EP1246654A1 (en) 2002-10-09
US20020161396A1 (en) 2002-10-31

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