90° Peel off Tests of Tissue Engineered Osteochondral Constructs: A New Method to Determine the Osteochondral Integration

Table 1

Measured constructs.

Number of repetitions	Primary bonding	Codocytes	Culture	Collagen type	Bone cylinder
6	Suture^1	no	0	II^2	Bio-Oss^3
10	Suture^1	yes	0	II^2	Bio-Oss^3
9	Tissuecol^4	no	0	II^2	Skelite^5
8	Tissuecol^4	yes	0	II^2	Skelite^5
2	Thrombin^6	yes	0	I/III^7	Tutobone^8
3	Thrombin^6	yes	2 weeks	I/III^7	Tutobone^8
3	Thrombin^6	yes	4 weeks	I/III^7	Tutobone^8

¹Suture: Monolene blue polyester monofil USP6-0 SSC Société sterile catgut Neuhausen, Switzerland  ²Collagen type II: Chondrocell charge 002664 Geistlich Biomaterials ³Bio-Oss Geistlich Pharma AG, Wollhusen, Switzerland 𝑑 = 8 mm ⁴Tissuecol DuoS DS060601F Baxter, Switzerland ⁵Skelite RDK 0610D02 Millenium Biologix Inc. Kingston, Canada 𝑑 = 8 mm ⁶Thrombin solution, Tisseel, Baxter  ⁷ChondroGide, Geislich, Wohlhusen, Switzerland  ⁸Tutobone, Tutogen Medical Inc., Florida USA 𝑑=11 mm.