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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0442951 (1989-11-28) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 365 인용 특허 : 0 |
A holder for providing physiologic support to an unstented xenograft or allograft. The holder facilitates selection and implantation of a replacement unstented xenograft or allograft in the treatment of aortic heart valve dysfunction. The novel holder comprises a device replicating key dimensions of
A holder for providing physiologic support to an unstented xenograft or allograft. The holder facilitates selection and implantation of a replacement unstented xenograft or allograft in the treatment of aortic heart valve dysfunction. The novel holder comprises a device replicating key dimensions of the recipient native aortic root and incorporates a trimming guide. The holder is designed for several common sizes of the recipient native aortic root and annulus.
A method of surgically implanting an unstented pulmonary or aortic valve into a human patient to replace the patient\s aortic valve, using a holder having an elongated handle, a base, three generally spoon shaped support members extending in a first direction from the base to outwardly convex enlarg
A method of surgically implanting an unstented pulmonary or aortic valve into a human patient to replace the patient\s aortic valve, using a holder having an elongated handle, a base, three generally spoon shaped support members extending in a first direction from the base to outwardly convex enlarged ends of the support members such that the support members can provide physiologic support for the valve sinuses, and a receptacle on the base which can releasably engage an end of the handle such that the handle extends in a direction opposite the support members, comprising: a) excising the patient\s aortic valve while leaving the aortic root in place; b) inserting the support members of the holder into the unstented valve to be implanted, such that the support members provide physiologic support for the valve sinuses; c) releasably engaging an end of the handle in the base such that the handle extends outwardly through a pulmonary or aortic artery segment of the valve; d) inserting the supported valve temporarily into the patient\s aortic root to confirm correct size; e) suturing the implanted valve in place in the patient\s aortic root; and f) removing the holder by pulling on the handle.
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