2026-09-19T14:23:38Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/579712022-01-13T07:54:33Zcom_1721.1_7582com_1721.1_7581col_1721.1_131024
Linn W. Hobbs.
Medeiros, Jordan-Ryan J. I. K
Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.
Massachusetts Institute of Technology. Department of Materials Science and Engineering
2010-09-01T13:36:05Z
2010-09-01T13:36:05Z
2007
2007
http://hdl.handle.net/1721.1/57971
618824969
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2007.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 31-32).
The Calaxo ® screw, developed by Smith and Nephew, is a novel biomedical composite composed of poly-DL-lactide-co-glycolide (PLLA:PGA) 85:15 and calcium carbonate particulates. Comparisons to an identical surgical anchor composed of PLLA, largely considered an industry standard, shows increased mean failure strength in surgical reconstructions of the patellar-tibia complex in sheep. SEM imaging confirms the osteoconductivity of the Calaxo ® screw proposed in previous studies and also suggest a positive effect on the differentiation of tissues along the tendon-bone interface. These findings support the intended use of the Calaxo ® screw as a fixation device for rotator cuff repair procedures.
by Jordan-Ryan J.I.K. Medeiros.
S.B.
32 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by
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http://dspace.mit.edu/handle/1721.1/7582
Materials Science and Engineering.
Effects of calcium carbonate particulate releasing surgical anchors on bone and tendon healing
Thesis
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<Abstract>The Calaxo ® screw, developed by Smith and Nephew, is a novel biomedical composite composed of poly-DL-lactide-co-glycolide (PLLA:PGA) 85:15 and calcium carbonate particulates. Comparisons to an identical surgical anchor composed of PLLA, largely considered an industry standard, shows increased mean failure strength in surgical reconstructions of the patellar-tibia complex in sheep. SEM imaging confirms the osteoconductivity of the Calaxo ® screw proposed in previous studies and also suggest a positive effect on the differentiation of tissues along the tendon-bone interface. These findings support the intended use of the Calaxo ® screw as a fixation device for rotator cuff repair procedures.</Abstract>
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