[미국특허]
Trans-apical implant systems, implants and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-002/24
A61B-017/00
A61B-017/34
출원번호
US-0962729
(2015-12-08)
등록번호
US-9833316
(2017-12-05)
발명자
/ 주소
Wilson, Jonathan E.
Robertson, Jack
Seguin, Christopher
Murphy, John
출원인 / 주소
CARDIOSOLUTIONS, INC.
대리인 / 주소
Mollaaghababa, Reza
인용정보
피인용 횟수 :
0인용 특허 :
118
초록▼
A trans-apical implant includes a spacer defining spacer cavity configured to be expanded from a retracted position, a shaft extending from the spacer, the shaft defining an inflation lumen fluidly coupled to the spacer cavity and configured to be fluidly coupled to an expansion medium source, and a
A trans-apical implant includes a spacer defining spacer cavity configured to be expanded from a retracted position, a shaft extending from the spacer, the shaft defining an inflation lumen fluidly coupled to the spacer cavity and configured to be fluidly coupled to an expansion medium source, and a spacer valve assembly disposed within at least one of the spacer or shaft, the spacer valve assembly configured to allow selectively allow an expansion medium to flow into the spacer cavity to be selectively expand the spacer from a retracted position to an expanded position.
대표청구항▼
1. An implant comprising: an expandable spacer having a resilient flexible wall and defining a spacer cavity configured to be expanded from a retracted position to an expanded position;a shaft extending from said spacer, said shaft defining an inflation lumen fluidly coupled to said spacer cavity an
1. An implant comprising: an expandable spacer having a resilient flexible wall and defining a spacer cavity configured to be expanded from a retracted position to an expanded position;a shaft extending from said spacer, said shaft defining an inflation lumen fluidly coupled to said spacer cavity and configured to be fluidly coupled to an expansion medium source; andan anchor assembly configured to be advanced over said shaft and secured to a portion thereof, said anchor assembly further configured to be secured to an exterior surface of a patient's heart. 2. The implant of claim 1, wherein said anchor assembly comprises a compression fitting configured to apply a radially compressive force against said shaft to secure said anchor assembly to said shaft. 3. The implant of claim 2, wherein the compression fitting comprises a clamp ring, a collar and a nut. 4. The implant of claim 2, wherein said anchor assembly further comprises an anchor support defining at least one arm over which a suture is stitched. 5. The implant of claim 4, wherein said anchor assembly further comprises a pledget material disposed on at least one arm. 6. The implant of claim 1, further comprising a spacer valve assembly disposed within at least one of said spacer or shaft, said spacer valve assembly configured to selectively allow an expansion medium to flow into said spacer cavity to selectively expand, to flow out of said spacer cavity to selectively deflate said spacer, or a combination thereof. 7. The implant delivery system of claim 6, wherein said spacer valve assembly further comprises a plunger configured to be slidably disposed within said inflation lumen, wherein said plunger, when in a first position, is configured to allow said expansion medium to flow into or out of said spacer cavity, and when in a second position, said plunger is configured to seal said spacer cavity. 8. The implant of claim 7, wherein plunger is coupled to a plunger wire extending through said inflation lumen in said shaft and beyond a proximal end of said shaft, wherein said plunger wire is configured to selectively move said plunger within said inflation lumen. 9. The implant of claim 8, wherein said plunger wire is threadedly coupled to said plunger. 10. The implant of claim of claim 6, further comprising an inflation handle assembly comprising an inflation port fluidly coupled to said inflation lumen. 11. The implant of claim 10, wherein said inflation port is configured to be secured to an inflation source. 12. The implant of claim 11, wherein the inflation source is selected from the group consisting of a plunger and a syringe. 13. An implant delivery system comprising: an introducer including at least one lumen;an implant configured to be received in said lumen, said implant comprising an expandable spacer and a shaft; andan anchor assembly configured to be advanced over said shaft and secured to a portion thereof, said anchor assembly further configured to be secured to an exterior surface of a patient's heart; wherein said spacer comprises a resilient flexible wall and defines a spacer cavity configured to be expanded from a retracted position to an expanded position, andwherein said shaft extends from said spacer and defines an inflation lumen fluidly coupled to said spacer cavity and configured to be fluidly coupled to an expansion medium source. 14. The implant delivery system of claim 13, wherein said anchor assembly comprises a compression connection configured to apply a radially compressive force against said shaft to secure said anchor assembly to said shaft. 15. The implant delivery system of claim 13, wherein said anchor assembly further comprises an anchor support defining at least one arm over which a suture is stitched. 16. The implant delivery system of claim 13, wherein said anchor assembly further comprises a pledget material disposed on at least one arm. 17. The implant delivery system of claim 13, further comprising a spacer valve assembly disposed within at least one of said spacer or shaft, said spacer valve assembly configured to selectively allow an expansion medium to flow into said spacer cavity to selectively expand, to flow out of said spacer cavity to selectively deflate said spacer, or a combination thereof. 18. The implant delivery system of claim 17, wherein said spacer valve assembly further comprises a plunger configured to be slidably disposed within said inflation lumen, wherein said plunger, when in a first position, is configured to allow said expansion medium to flow into or out of said spacer cavity, and wherein said plunger, when in a second position, is configured to seal said spacer cavity. 19. The implant delivery system of claim of claim 13, further comprising an inflation handle assembly comprising an inflation port fluidly coupled to said inflation lumen and is configured to be secured to an inflation source.
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