초록 ▼

A cardiovascular valve system including a permanent base unit that is affixed to the patient using conventional sutures or staples, and a collapsible valve having a collapsible frame that mates with the permanent base unit, and supports valve leaflets. An installed collapsible frame may be re-collap

A cardiovascular valve system including a permanent base unit that is affixed to the patient using conventional sutures or staples, and a collapsible valve having a collapsible frame that mates with the permanent base unit, and supports valve leaflets. An installed collapsible frame may be re-collapsed and disengaged from the permanent housing. A new collapsible valve is then installed, to resume the function of the prosthesis.

대표청구항 ▼

1. A cardiovascular valve system comprising: a base unit permanently attachable to tissue; and a collapsible valve engageable and disengageable with said base unit, wherein said collapsible valve includes a collapsible frame having a plurality of articulated struts, said collapsible frame movabl

1. A cardiovascular valve system comprising: a base unit permanently attachable to tissue; and a collapsible valve engageable and disengageable with said base unit, wherein said collapsible valve includes a collapsible frame having a plurality of articulated struts, said collapsible frame movable between an expanded position to engage the collapsible valve with the base unit, and a collapsed position to disengage the collapsible valve from the base unit. 2. A cardiovascular valve system according to claim 1, wherein collapsible valve further includes an occluding member movable between an occluded position and an open position, said occluding member supported by said collapsible frame. 3. A cardiovascular valve system according to claim 2, wherein said occluding member includes at least one leaflet occluder. 4. A cardiovascular valve system according to claim 1, wherein said articulated struts are generally rigid. 5. A cardiovascular valve system according to claim 1, wherein said base unit includes a receptacle for receiving the collapsible valve. 6. A cardiovascular valve system according to claim 5, wherein said receptacle includes a plurality of plates. 7. A cardiovascular valve system according to claim 1, wherein said system further comprises at least one retaining member for retaining the engagement of said collapsible valve with said permanent base unit. 8. A cardiovascular valve system according to claim 7, wherein said retaining member includes a gusset. 9. A cardiovascular valve system according to claim 7, wherein said retaining member includes a slot. 10. A cardiovascular valve system according to claim 7, wherein said retaining member includes a generally elastic retaining clip. 11. A cardiovascular valve system according to claim 7, wherein said retaining member includes a channel. 12. A cardiovascular valve system according to claim 7, wherein said retaining member includes a generally rigid retainer. 13. A cardiovascular valve system according to claim 7, wherein said collapsible frame includes articulating hook members, said articulating hook members engageable with said retaining member. 14. A cardiovascular valve system according to claim 13, wherein said articulating hook members are rotatable between an engagement position and a disengagement position. 15. A cardiovascular valve system comprising: a base unit permanently attachable to tissue, said base unit including a receptacle; and a collapsible valve engageable and disengageable with the receptacle, wherein said collapsible valve includes a collapsible frame having a plurality of articulated struts, said collapsible frame movable between an expanded position to engage the collapsible valve with the receptacle, and a collapsed position to disengage the collapsible valve from the receptacle. 16. A cardiovascular valve system according to claim 15, wherein said receptacle includes a plurality of plates. 17. A cardiovascular valve system according to claim 16, wherein said plurality of plates are generally triangular. 18. A cardiovascular valve system according to claim 17, wherein said plurality of plates form a valve orifice. 19. A cardiovascular valve system according to claim 15, wherein said collapsible valve includes at least one leaflet attached with said plurality of articulated struts. 20. A cardiovascular valve system according to claim 15, wherein said collapsible frame includes articulating hook members, said articulating hook members engageable with said base unit.