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Interference Screws


The BIOSURE family of interference screws incorporates the latest proven technologies to help deliver exceptional graft fixation in ACL reconstruction, whether your technique incorporates a single or double bundle reconstruction, fixating on the tibial and/or femoral side, or using soft tissue or bone-tendon-bone grafts, our line of BIOSURE Interference Screws are designed to meet your needs.

Broad range of sizes
BIOSURE Interference screws are available in a variety of sizes, including 6mm screws for MPFL, extra-articular or double bundle repairs and reverse thread screws for right knees. This broad range of screw size offerings allows you to optimize fit based on technique preference or patient anatomical requirements.

The right tools for easy insertion
Optimal versatility extends beyond our screw sizes. We offer a full line of instrumentation, with drivers and taps available in ratcheted or non-ratcheted versions.

Enhanced durability
BIOSURE Interference Screws and Drivers are designed for durability and reduced screw breakage. Both the screws and driver have been enhanced to allow screws to fully seat on the driver all the way to the tip of the screw, helping stress distribution and force transfer. The screw design also incorporates a consistent wall thickness throughout the length of the screw for added durability and features a tapered body for ideal ease of insertion. 

Material Choice – PEEK or PLLA-HA

With a modulus similar to cortical bone, PEEK polymer exhibits an ideal combination of strength, stiffness and toughness, together with a bio-inert nature and MRI compatibility.

PLLA is an absorbable polymer comprised of the naturally occurring compound, lactic acid, and has a long history of clinical use in implanted surgical devices[1]. 

Hydroxyapatite (HA) is a particular crystal form and composition of a larger family of calcium phosphates. Calcium phosphate ceramics are perhaps the most biocompatible synthetic substances for use in hard tissue repair with over 15 years of clinical history. The high degree of biocompatibility is a feature of HA and is largely attributable to its natural presence in bone. When HA is implanted into a bony site it has been shown to be slowly absorbed into the body and replaced by new bone. [2]. 

[1] Chih-Chu Chang. 1995. Section IV:44, “Biodegradable Polymeric Biomaterials.” In The Biomedical Engineering Handbook. Bronzino JD ed. Hartford: CRC Press.
[2] Tamai N, Myoui A, Tomita T, Nakase T, Tanaka J, Ochi T, Yoshikawa H, “Novel hydroxyapatite ceramics with an interconnective porous structure exhibit superior osteoconduction in vivo,” J Biomed Mater Res 59 (2002), 110–117.


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