Sutureless cuff for heart valves
AssigneeSulzer Carbomedics Inc.
InventorsJames Henry Hamblin, Jr., Billy Ray Singleton
Life of this patent
Estimating the term…
Abstract
An improved mechanical heart valve that reduces the time required to perform heart valve replacement surgery is provided. The mechanical heart valve is comprised of a valve body and a plurality of staples extending around the valve body that are coupled to the valve body through at least one intermediate member.
Claims34
A mechanical heart valve comprising;
- a valve body;
- a backing plate coupled to said valve body;
- a plurality of staples for engaging a heart, said staples extending from and fixedly attached to said backing plate;
- and
- a cuff coupled to said valve body.
A mechanical heart valve comprising:
- a valve body;
- a stiffening ring coupled to said valve body;
- a backing plate coupled to said stiffening ring;
- and
- a plurality of staples positioned on said backing plate.
A mechanical heart valve, comprising:
- a valve body;
- a stiffening ring adapted for coupling to said valve body;
- and
- a backing plate adapted for coupling to said stiffening ring, said backing plate having a perimeter and a plurality of staples attached to said backing plate, said plurality of staples extending around the perimeter of said backing plate.
A mechanical heart valve comprising:
- a valve body;
- a rigid ring coupled to said valve body, said ring having a perimeter and a plurality of staples attached to said ring and extending around the perimeter of said ring, each of said staples having a first end and a second end, said first and second ends being opposed to each other and being displaced towards each other to engage cardiac tissue.
A mechanical heart valve comprising:
- a valve body;
- a backing plate coupled to said valve body;
- a plurality of staples extending from and fixedly attached to said backing plate.
A mechanical heart valve comprising:
- a valve body;
- a lock wire;
- a stiffening ring coupled to said valve body by said lock wire;
- and
- a plurality of staples extending from and fixedly attached to said stiffening ring.
A mechanical heart valve comprising:
- a valve body,
- a rigid first member coupled to said valve body, and
- a plurality of staples extending from and fixedly attached to said first member, each of said staples having a first end and a second end, said first and second ends being opposed to each other and being displaced towards each other to engage cardiac tissue.
A mechanical heart valve comprising;
- a valve body;
- a first member coupled to said valve body;
- a plurality of staples for engaging a heart, said staples extending from and fixedly attached to said first member, said first member being coupled to said valve body;
- each staple having a first end and a second end, said first and second ends opposing each other and being displaced towards each other to engage the heart;
- and
- a cuff coupled to said valve body.
Dependencies are inferred from the claim text.