Perforated submucosal tissue graft constructs
First Claim
1. A unitary multi-laminate tissue graft construct comprising multiple strips of intestinal submucosa, wherein each of said multiple strips has first and second planar surfaces and each is delaminated from both the tunica muscularis and at least the luminal portion of the tunica mucosa of a warm blooded vertebrate, said graft construct formed to have a planar surface with a surface area greater than the surface area of any one planar surface of the individual strips used to form said construct, said graft further provided with a plurality of perforations that allow fluid to pass through the craft construct.
2 Assignments
0 Petitions
Accused Products
Abstract
A perforated unitary multi-laminar tissue graft construct and method for preparing such construct is described. The method comprises overlapping strips of submucosa tissue with other strips of submucosal tissue, compressing at least the overlapped portions of said strips between two surfaces under conditions that allow or promote dehydration of the compressed submucosa sheets, and perforating the resulting unitary tissue graft construct. The perforated tissue graft compositions have enhanced mechanical and remodeling properties relative to non-perforated submucosal tissue grafts.
594 Citations
11 Claims
- 1. A unitary multi-laminate tissue graft construct comprising multiple strips of intestinal submucosa, wherein each of said multiple strips has first and second planar surfaces and each is delaminated from both the tunica muscularis and at least the luminal portion of the tunica mucosa of a warm blooded vertebrate, said graft construct formed to have a planar surface with a surface area greater than the surface area of any one planar surface of the individual strips used to form said construct, said graft further provided with a plurality of perforations that allow fluid to pass through the craft construct.
Specification