Heart Valve Patents (Class 623/2.1)
- Fixed cylindrical pin structured to permit only pivoting movement of occluder (Class 623/2.21)
- Annular support member includes projecting means for guiding occluder's pivoting motion (Class 623/2.22)
- Occluder includes projecting means defining pivoting axis (Class 623/2.27)
- Having particular geometry detail (Class 623/2.33)