Title:
弁輪形成装置
Document Type and Number:
Japanese Patent JP4373672
Kind Code:
B2
Abstract:
Devices for repairing and replacing a heart valve in various embodiments, the devices include at least first and second support rings connected together in a coiled configuration to abut opposite sides of a valve annulus. A replacement valve may be secured to the coil-shaped device. Various alternative fastening systems include suture fastening systems, mechanical fastening systems, shape memory alloy fastening systems and other fastening systems relying only on the resilience between adjacent coils. A method generally includes inserting a first end of the coil-shaped member through a valve annulus, rotating a first ring of the coil-shaped member into position on one side of the valve annulus and positioning at least a second ring of the coil-shaped member on an opposite side of the valve annulus.
Inventors:
Spence, Paul, A
Ootitsu, mark
Wedon, Randy
Ootitsu, mark
Wedon, Randy
Application Number:
JP2002508352A
Publication Date:
November 25, 2009
Filing Date:
May 31, 2001
Export Citation:
Assignee:
Medtentia Activola Get
International Classes:
A61B17/00; A61F2/24; A61F2/00
Domestic Patent References:
| JP11507273A | ||||
| JP10503399A |
Foreign References:
| WO2000035350A1 | ||||
| WO2000023007A1 | ||||
| WO1999004730A1 | ||||
| WO1995016407A1 | ||||
| WO1993015690A1 | ||||
| US4602911 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Toru Mori
Yutaka Yoshida
Hajime Asamura
Toru Mori
Yutaka Yoshida