CA2441370A1 - Apparatus and method for reducing mitral regurgitation - Google Patents
Apparatus and method for reducing mitral regurgitation Download PDFInfo
- Publication number
- CA2441370A1 CA2441370A1 CA002441370A CA2441370A CA2441370A1 CA 2441370 A1 CA2441370 A1 CA 2441370A1 CA 002441370 A CA002441370 A CA 002441370A CA 2441370 A CA2441370 A CA 2441370A CA 2441370 A1 CA2441370 A1 CA 2441370A1
- Authority
- CA
- Canada
- Prior art keywords
- configuration
- elongated body
- anchor
- end section
- section
- 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.)
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Classifications
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- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2451—Inserts in the coronary sinus for correcting the valve shape
Abstract
Apparatus (50) for reducing mitral regurgitation, by applying a force to the wall of the coronary sinus (30) so as to force the posterior leaflet (39) anteriorly and thereby reduce mitral regurgitation.
Claims (13)
1. Apparatus for reducing mitral regurgitation, the apparatus comprising:
a bendable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mural valve, the elongated body being adjustable between a first conriguratson adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the body comprising:
a distal end section having a plurality of proximally-extending barbs;
a proximal end section having a plurality of distally-extending barbs; and at least one spring segment connecting said distal end section to said proximal end section, said at least one spring segment being adapted to apply a force to said distal end section and said proximal end section so as to urge said distal end section and said proximal end section together;
whereby when said elongated body is inserted into the coronary sinus in the first configuration, said at least one spring segment will cause said elongated body to assume the second configuration so as to exert the force on the posterior annulus and thereby reduce mitral regurgitation.
a bendable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mural valve, the elongated body being adjustable between a first conriguratson adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the body comprising:
a distal end section having a plurality of proximally-extending barbs;
a proximal end section having a plurality of distally-extending barbs; and at least one spring segment connecting said distal end section to said proximal end section, said at least one spring segment being adapted to apply a force to said distal end section and said proximal end section so as to urge said distal end section and said proximal end section together;
whereby when said elongated body is inserted into the coronary sinus in the first configuration, said at least one spring segment will cause said elongated body to assume the second configuration so as to exert the force on the posterior annulus and thereby reduce mitral regurgitation.
2. Apparatus according to claim 1 wherein the at least one spring segment comprises an elastic material, and further wherein said elastic material is stretched When said elongated body is in the first confilguration and said elastic material is relaxed when said elongated body is in the second configuration.
3. Apparatus according to claim 1 wherein said at least one spring segment comprises a shape memory alloy, and further wherein a temperature transition is used to transform said elongated body from the first configuration to the second configuration.
4. Apparatus according to claim 1 wherein there are at least two spring seuments connectingsaid distal end section to said proximal end section, arid further wherein an intermediate section is disposed,between said at least two spring segments.
5. Apparatus according to claim 4 wherein said intermediate section has at least one barb thereon.
6. Apparatus for reducing mitral regurgitation, the apparatus comprising:
a variable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mural valve, the variable elongated body being adjustable between a first configuration adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the variable elongated body comprising:
a first anchor comprising a a first elongated section and a first anchor element disposed at one end thereof;
a second anchor having a second elongated section and a second anchor element disposed at one 2nd thereof;
a crimp having an opening therein and being adapted to selectively close down the size of the opening;
said first anchor, said second anchor and said crimp being arranged so that said first elongated section and said second elongated section extend through said opening, with said first anchor element and said second anchor element being displaced from one another;
whereby said elongated body ,may be positioned in said first configuration wherein first anchor element and said second anchor element are displaced from one another by a first distance, said elongated body may be deployed in said coronary sinus, and said elongated body may thereafter be moved into said second configuration wherein said first anchor and said second anchor are displaced from one mother by a second, shorter distance, whereby to exert the force on the posterior annulus and thereby reduce mitral regurgitation.
a variable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mural valve, the variable elongated body being adjustable between a first configuration adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the variable elongated body comprising:
a first anchor comprising a a first elongated section and a first anchor element disposed at one end thereof;
a second anchor having a second elongated section and a second anchor element disposed at one 2nd thereof;
a crimp having an opening therein and being adapted to selectively close down the size of the opening;
said first anchor, said second anchor and said crimp being arranged so that said first elongated section and said second elongated section extend through said opening, with said first anchor element and said second anchor element being displaced from one another;
whereby said elongated body ,may be positioned in said first configuration wherein first anchor element and said second anchor element are displaced from one another by a first distance, said elongated body may be deployed in said coronary sinus, and said elongated body may thereafter be moved into said second configuration wherein said first anchor and said second anchor are displaced from one mother by a second, shorter distance, whereby to exert the force on the posterior annulus and thereby reduce mitral regurgitation.
7. Apparatus according to claim 6 wherein said first anchor element comprises a first hook at one end of said first elongated section.
8. Apparatus according to claim 6 wherein said second anchor element comprises a second hook at one end of said first elongated section.
9. Apparatus according to claim 6 wherein said crimp is made of elastic material.
10. Apparatus according to claim 9 wherein at least one of said anchors comprises a saw-toothed surface for engaging the other or said anchors.
11. Apparatus according to claim 6 wherein said crimp is made of a material which will take a set.
12. A method for reducing mitral regurgitation, the method comprising the steps of;
providing a prosthesis comprising:
a bendable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mitral valve, the elongated body being adjustable between a first configuration adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the body comprising:
a distal end section having a plurality of proximally-extending barbs:
a proximal end section having a plurality of distally-extending barbs; and at least one spring segment connecting said distal end Section to said proximal end section, said at least one spring segment being adapted to apply a force to said distal end section and said proximal end section so as to urge said distal end section and said proximal end section together;
whereby when said elongated body is inserted into the coronary sinus in the first configuration, said at least one spring segment will cause said elongated body to assume the second configuration so as to exert the force on the posterior annulus and thereby reduce mitral regurgitation;
positioning the prosthesis in the coronary sinus while in the first configuration; and reconfiguring the prosthesis into the second configuration.
providing a prosthesis comprising:
a bendable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mitral valve, the elongated body being adjustable between a first configuration adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the body comprising:
a distal end section having a plurality of proximally-extending barbs:
a proximal end section having a plurality of distally-extending barbs; and at least one spring segment connecting said distal end Section to said proximal end section, said at least one spring segment being adapted to apply a force to said distal end section and said proximal end section so as to urge said distal end section and said proximal end section together;
whereby when said elongated body is inserted into the coronary sinus in the first configuration, said at least one spring segment will cause said elongated body to assume the second configuration so as to exert the force on the posterior annulus and thereby reduce mitral regurgitation;
positioning the prosthesis in the coronary sinus while in the first configuration; and reconfiguring the prosthesis into the second configuration.
13. A method for reducing mitral regurgitation, the method comprising the steps of:
providing a prosthesis comprising:
a variable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mitral valve, the variable elongated body being adjustable between a first configuration adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the variable elongated body comprising:
a first anchor comprising a first elongated section and a first anchor element disposed at one end thereof;
a second anchor having a second elongated section and a second anchor element disposed at ore end thereof;
a crimp having an opening therein and being adapted to selectively close down the size of the opening;
said first anchor, said second anchor and said crimp being arranged so that said first elongated section and said second elongated section extend through said opening, with said first anchor element and said second anchor element being displaced from one another;
whereby said elongated body may be positioned in said first configuration wherein first anchor element and said second anchor element are displaced from one another by a first distance, said elongated body may be deployed an said coronary sinus, and said elongated body may thereafter be moved into said second configuration wherein said first anchor and said second anchor are displaced from one another by a second, shorter distance, whereby to exert the force on the posterior annulus and thereby reduce mitral regurgitation;
positioning the prosthesis in the coronary sinus while in the first configuration; and reconfiguring the prosthesis into the second configuration.
providing a prosthesis comprising:
a variable elongated body adapted to be inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mitral valve, the variable elongated body being adjustable between a first configuration adapted to be delivered into the coronary sinus and a second configuration adapted to exert a force onto the posterior annulus, the variable elongated body comprising:
a first anchor comprising a first elongated section and a first anchor element disposed at one end thereof;
a second anchor having a second elongated section and a second anchor element disposed at ore end thereof;
a crimp having an opening therein and being adapted to selectively close down the size of the opening;
said first anchor, said second anchor and said crimp being arranged so that said first elongated section and said second elongated section extend through said opening, with said first anchor element and said second anchor element being displaced from one another;
whereby said elongated body may be positioned in said first configuration wherein first anchor element and said second anchor element are displaced from one another by a first distance, said elongated body may be deployed an said coronary sinus, and said elongated body may thereafter be moved into said second configuration wherein said first anchor and said second anchor are displaced from one another by a second, shorter distance, whereby to exert the force on the posterior annulus and thereby reduce mitral regurgitation;
positioning the prosthesis in the coronary sinus while in the first configuration; and reconfiguring the prosthesis into the second configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002668308A CA2668308A1 (en) | 2001-03-05 | 2002-03-05 | Apparatus and method for reducing mitral regurgitation |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27389301P | 2001-03-05 | 2001-03-05 | |
| US60/273,893 | 2001-03-05 | ||
| PCT/US2002/021865 WO2002096275A2 (en) | 2001-03-05 | 2002-03-05 | Apparatus and method for reducing mitral regurgitation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002668308A Division CA2668308A1 (en) | 2001-03-05 | 2002-03-05 | Apparatus and method for reducing mitral regurgitation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2441370A1 true CA2441370A1 (en) | 2002-12-05 |
| CA2441370C CA2441370C (en) | 2011-05-24 |
Family
ID=23045864
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002668308A Abandoned CA2668308A1 (en) | 2001-03-05 | 2002-03-05 | Apparatus and method for reducing mitral regurgitation |
| CA2441370A Expired - Fee Related CA2441370C (en) | 2001-03-05 | 2002-03-05 | Apparatus and method for reducing mitral regurgitation |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002668308A Abandoned CA2668308A1 (en) | 2001-03-05 | 2002-03-05 | Apparatus and method for reducing mitral regurgitation |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20020183837A1 (en) |
| AU (1) | AU2002327224A1 (en) |
| CA (2) | CA2668308A1 (en) |
| WO (1) | WO2002096275A2 (en) |
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-
2002
- 2002-03-05 WO PCT/US2002/021865 patent/WO2002096275A2/en not_active Application Discontinuation
- 2002-03-05 CA CA002668308A patent/CA2668308A1/en not_active Abandoned
- 2002-03-05 CA CA2441370A patent/CA2441370C/en not_active Expired - Fee Related
- 2002-03-05 US US10/090,968 patent/US20020183837A1/en not_active Abandoned
- 2002-03-05 AU AU2002327224A patent/AU2002327224A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2441370C (en) | 2011-05-24 |
| AU2002327224A1 (en) | 2002-12-09 |
| US20020183837A1 (en) | 2002-12-05 |
| WO2002096275A2 (en) | 2002-12-05 |
| WO2002096275A3 (en) | 2003-02-20 |
| CA2668308A1 (en) | 2002-12-05 |
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| EEER | Examination request | ||
| MKLA | Lapsed |
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