|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 225 인용 특허 : 10|
A “tissue valve type”heart valve prosthesis is disclosed which has a biocompatible plastic sewing ring adapted to be surgically implanted into the mitral, aortic or tricuspid annulus of the human heart. The sewing ring has internal square threads and a biocompatible fabric mesh or cloth is embedded into the sewing ring so that the cloth can be fully wrapped around the sewing ring covering all of its plastic surfaces except for the internally protruding threads. A biocompatible plastic stent support ring has externally disposed threads to lock with the th...
In a heart valve prosthesis of the type comprising: a sewing ring member having a circular first opening therethrough, an exterior wall, and an interior wall surrounding said first opening, said interior wall bearing one or more interior screw threads extending interior to said inner wall and into said first opening; a valve member having a second opening therethrough, an exterior wall, and an interior wall surrounding said second opening, said exterior wall of said valve member having exterior screw threads extending exterior to said exterior wall and c...