Use of a Novel, Reinforced, Low Immunogenic, Porcine Small Intestine Submucosa Patch to Repair a Supraspinatus Tendon Defect in a Rabbit Model

Table 1

The tendon maturing scoring system.

	1	2	3	4
Cellularity	Marked	Moderate	Mild	Minimal
Proportion of cells resembling tenocytes	<25%	25–50%	50–75%	>75%
Proportion of parallel cells	<25%	25–50%	50–75%	>75%
Vascularity	Marked	Moderate	Mild	Minimal
Proportion of fibers of large diameter characteristic of mature tendon fibers	<25%	25–50%	50–75%	>75%
Proportion of parallel fibers	<25%	25–50%	50–75%	>75%
Remodeling of tendon-to-bone insertion	C(+) I(_)	C(+) I(+) F(_)	C(+) I(+) F(+) T(_)	C(+) I(+) F(+) T(+)

C: continuity; I: ingrowth; F: fibrocartilage; T: tidemark.