Systems and methods for sealing openings in an anatomical wall
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/00
A61B-017/34
A61M-001/10
출원번호
US-0341693
(2014-07-25)
등록번호
US-9724083
(2017-08-08)
발명자
/ 주소
Quadri, Arshad
Ratz, J. Brent
Rabito, Glen T.
Johnson, Garrett Dallas
출원인 / 주소
Edwards Lifesciences CardiAQ LLC
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
0인용 특허 :
151
초록▼
Devices, systems and methods are described herein for sealing openings in an anatomical wall. A sealing system includes an elongate tubular support for delivery to an anatomical opening to be sealed, a cover of bio-compatible material covering a distal portion of the tubular support, and an anchor a
Devices, systems and methods are described herein for sealing openings in an anatomical wall. A sealing system includes an elongate tubular support for delivery to an anatomical opening to be sealed, a cover of bio-compatible material covering a distal portion of the tubular support, and an anchor assembly, the anchor assembly being designed to secure the cover material to the opening. The anchor assembly can include a plurality of distal anchors and a plurality of proximal anchors, a button, ring or donut, and/or a C-clip. In some embodiments, the system further comprises a closure member for closing off an end of the cover material after removal of the tubular support.
대표청구항▼
1. A method of sealing openings within an anatomical wall, the method comprising: delivering percutaneously a puncture seal closure system within a sheath to an opening in an anatomical wall to be sealed, where the system comprises an elongate tubular support having a distal end and a proximal end,
1. A method of sealing openings within an anatomical wall, the method comprising: delivering percutaneously a puncture seal closure system within a sheath to an opening in an anatomical wall to be sealed, where the system comprises an elongate tubular support having a distal end and a proximal end, the tubular support configured for percutaneous delivery to the opening to be sealed; a cover of bio-compatible material configured to cover at least a portion of the tubular support from at least the distal end of the tubular support to a central portion of the tubular support, the cover material having a distal end configured to engage the distal end of the tubular support and a proximal end, the cover further comprising an anchor covering portion positioned proximate the proximal end of the cover; and an anchor assembly comprising a plurality of distal anchors and a plurality of proximal anchors positioned proximal the central portion of the tubular support, the distal and proximal anchors sufficiently malleable and configured to be foldable against the tubular support when in a first delivery position, and to foldable radially outwardly away from the tubular support in a second wall engagement position;positioning the puncture seal system in-situ within the opening so that the distal anchors are positioned along the distal side of the opening wall and the proximal anchors are positioned along the proximal side of the opening wall;withdrawing the sheath to permit the anchors positioned in the wall engagement position to secure the seal system in place;removing the tubular support in a proximal direction so as to draw the cover material inside-out from a distal-most position to a proximal-most position;severing the exposed end of the cover material with a closure member for closing off an end of the cover material after removal of the tubular support wherein the opening is sealed using the anchor covering portion of the cover material in combination with the anchors. 2. A system for sealing an opening within an anatomical wall, the system comprising: an elongate tubular support having a proximal end and a distal end, the tubular support configured for delivery into the opening to be sealed;an anchor assembly configured to be secured to the anatomical wall adjacent the opening, wherein the elongate tubular support is positionable in a first position within the anchor assembly wherein the proximal end of the tubular support is proximal to the anchor assembly and the distal end of the tubular support is distal to the anchor assembly; anda cover of bio-compatible material connected to the anchor assembly and configured to extend distally from the anchor assembly to cover at least a portion of the tubular support when the tubular support is in the first position;wherein the tubular support is moveable from the first position to a second position, wherein in the second position the distal end of the tubular support is proximal to the anchor assembly, and movement of the tubular support from the first position to the second position draws the cover material inside-out such that the cover material extends proximally from the anchor assembly; andwherein when the tubular support is in its first position, the cover extends to the distal end of the tubular support and is then inverted to extend within a lumen of the tubular support. 3. The system of claim 2, wherein the anchor assembly comprises a plurality of proximal anchors and a plurality of distal anchors, the proximal and distal anchors being foldable towards the tubular support in a first delivery position and being expandable radially outwardly away from the tubular support in a second wall engagement position. 4. The system of claim 3, wherein the cover is connected to the distal anchors. 5. The system of claim 3, wherein the cover is connected to the proximal anchors. 6. The system of claim 2, wherein the anchor assembly comprises a C-clip. 7. The system of claim 2, wherein the anchor assembly comprises a button or ring that is securable adjacent an opening in the anatomical wall. 8. The system of claim 2, wherein the cover is connected to the tubular support at or proximate the distal end of the tubular support. 9. The system of claim 2, wherein the cover is connected to the tubular support at or proximate the proximal end of the tubular support within the lumen. 10. A method of sealing an opening within an anatomical wall, the method comprising: providing a sealing system comprising an elongate tubular support having a proximal end and a distal end, an anchor assembly provided over the elongate tubular support positioned between the proximal and distal ends, and a cover of bio-compatible material connected to the anchor assembly and extending distally therefrom to cover at least a portion of the tubular support;positioning the tubular support within the opening within the anatomical wall such that the proximal end of the tubular support is proximal of the opening and the distal end of the tubular support is distal of the opening, wherein the cover covering at least a portion of the tubular support extends at least distally of the opening;securing the anchor assembly to the anatomical wall adjacent the opening;moving the tubular support in a proximal direction so as to draw the cover material inside-out from a distal-most position wherein the cover extends at least distally of the opening to a proximal-most position wherein the cover extends proximally of the opening; andsealing a portion of the cover extending proximally of the opening. 11. The method of claim 10, further comprising severing a portion of the cover extending proximally of the opening. 12. The method of claim 10, wherein the opening within the anatomical wall is formed by delivering the sealing system through the anatomical wall. 13. The method of claim 12, wherein delivering the sealing system further comprises delivering a dilator through the anatomical wall simultaneously with the tubular support. 14. The method of claim 10, wherein securing the anchor assembly to the anatomical wall comprises expanding anchors on proximal and distal sides of the anatomical wall. 15. The method of claim 10, wherein securing the anchor assembly comprising suturing the anchor assembly to a proximal surface of the anatomical wall adjacent the opening. 16. The method of claim 10, wherein the opening is an opening in the heart. 17. The method of claim 10, further comprising performing a procedure in the heart using one or more instruments delivered through a central lumen of the tubular support after securing the anchor assembly to the anatomical wall adjacent the opening and before moving the tubular support in a proximal direction so as to draw the cover material inside-out from a distal-most position wherein the cover extends at least distally of the opening to a proximal-most position wherein the cover extends proximally of the opening.
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