Method and systems for sizing, folding, holding, and delivering a heart valve prosthesis
View Patent ↗A folding device used to fold a cardiac valve is disclosed. Also shown are methods and system for holding and delivering a cardiac valve during implantation. The folding device facilitates folding either a stented or unstented prosthetic valve prior to insertion into a valve annulus. A delivery system is provided to allow a user to measure the patient annulus to select the prosthetic valve size and insert a folded prosthetic valve into a target site. Methods for using the folding device and delivery system are also disclosed.
1. A valve folding assembly comprising:
a valve holder comprising an open-faced, semi-cylindrical flexible tube having a curvature and length substantially matching that of a prosthetic valve;
a plurality of elongate locking bars operably connected to said semi-cylindrical flexible tube along a longitudinal axis thereof;
one or more suture slots located on the valve holder;
a stopper ring structured to at least partially circumferentially surround said semi-cylindrical tube; and
a valve receptacle configured to receive the valve holder, said valve receptacle including at least two guide rails attached to a disk, said guide rails adapted to engage the locking bars of the valve holder.
2. The valve folding assembly of claim 1 , further comprising sutures tied between suture holes located on opposite sides of the valve holder; and a prosthetic valve retained within the valve holder.
3. The valve folding assembly of claim 1 further comprising a handle operably attached to said valve receptacle.
4. The valve folding assembly of claim 3 , further comprising a plunger loosely disposed within the handle.