Comparison of pullout strength of resorbable screws in human cadaveric laryngeal cartilage using different drill diameters

Lewis, Andrea F.; Jordan, James; Parsell, Douglas E.; Kosko, Mark

doi:10.1002/hed.20890

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In Vitro Biomechanical (Pull-out Strength) Studies Using Syn...1

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Cited by 2 publications

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“…This 2-hole modified plate with locking screws employed the “rescue” screw (a larger screw with greater thread height) to secure the plate to the lower border of the thyroid cartilage and the standard 5-mm locking screw through the second hole to secure the ARD to the plate (Figures 9 and 10). 10-13…”

Section: Resultsmentioning

confidence: 99%

Arytenoid Repositioning Device

Hoffman

Heaford

Dailey

et al. 2014

Ann Otol Rhinol Laryngol

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Section: Resultsmentioning

confidence: 99%

Arytenoid Repositioning Device

Hoffman

Heaford

Dailey

et al. 2014

Ann Otol Rhinol Laryngol

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“…The test protocol to assess the pull-out performance of bioabsorbable bone screw with SAWBONES synthetic bone blocks (Pacific Research Laboratories, Inc., WA, USA) was selected for biomechanical testing according to ASTM specification F1839-08 [22]. Total 10 bone blocks (10 pcf, 160 kg m −3 density) were utilized as a cancellous bone substitute [23], 5 for each test group (PCL and composite bone screws).…”

Section: In Vitro Biomechanical (Pull-out Strength) Studies Using Syn...mentioning

confidence: 99%

Development of bone screw using novel biodegradable composite orthopedic biomaterial: from material design to in vitro biomechanical and in vivo biocompatibility evaluation

Suryavanshi¹,

Khanna²,

Sindhu³

et al. 2019

Biomed. Mater.

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A novel composite biomaterial for bone-soft tissue fixation applications was developed. MgO-Silk-PCL, Silk-PCL and MgO-PCL composites were prepared with variable filler concentrations (0, 10, 20 and 30% w/w of MgO nanoparticles and 0%, 5%, 10%, 20% and 30% of degummed silk fiber) in PCL polymer. The highest mechanical properties were obtained with 10% MgO and 20% Silk composite (MSP) wih 1.7× better tensile strength and 7.5× tensile modulus over PCL. It exhibited good cell viability, adhesion and hemocompatibility, increased cell proliferation and differentiation. MgO filler contributed more in increasing tensile strength, whereas silk fiber towards modulus, imparting a synergistic effect on mechanical performance. Prototype bone screws were molded using the MSP composite in a custom-designed mold. It showed significantly increased degradation (2.7 fold after 60 days) in PBS attributable to binary filler phase as compared to PCL. In vivo biosafety studies of MgO-silk-PCL composite screw in SD rats by subcutaneous implantation showed moderate inflammation at 2 weeks which subsided after 4th week. No toxic effect was seen in histopathology of vital organs and in blood parameters. Composite screw showed 2× pull-out strength of PCL in synthetic bone, therefore a potential candidate for bone-soft fixation applications like resorbable orthopedic screws for ACL reconstruction.

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Comparison of pullout strength of resorbable screws in human cadaveric laryngeal cartilage using different drill diameters

Cited by 2 publications

References 17 publications

Arytenoid Repositioning Device

Arytenoid Repositioning Device

Development of bone screw using novel biodegradable composite orthopedic biomaterial: from material design to in vitro biomechanical and in vivo biocompatibility evaluation

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