Citrelock®

Tendon Fixation Device System

 

 

The future of bioresorbables
 

Citrelock Tendon Fixation Device System is a biotenodesis screw used for tendon fixation in foot and ankle procedures, featuring Citregen.

Day 1

Citrate, calcium, and phosphate are released to the surrounding tissue.

Mid-Stage

Polymer resorption continues as the bioceramic becomes metabolized.

Late-Stage

The biomimetic implant is replaced by the normal tissue anatomy.

Citregen® material technology

Citregen is a biomaterial designed to mimic the hydroxyapatite content of native bone.2 It is a resorbable biocomposite with a controllable biodegradation process with no chronic inflammation.1,3,* Citregen slowly releases citrate, calcium, and phosphate, which play a significant role in bone regeneration.6

 

Citregen vs. thermoplastics

  • A sheep study at Colorado State University showed evidence of biocompatibility and biologic growth into porous Citregen implants, absent of any signs of chronic inflammation.7
  • Citregen elutes into surrounding tissue via surface erosion, not bulk degradation.1
  • Citregen’s crosslinked structure provides elasticity and demonstrates recovery from compressive loads that would cause thermoplastics to permanently deform. Even with a high bioceramic content, Citregen composites retain their toughness withstanding large mechanical loads and strain.6
Tendon integrity

Tendon integrity

  • Designed to not lacerate the tendon during insertion.5
  • Improved pull-out strength compared to thermoplastic materials.2
  • Compressive strength similar to cortical bone.4

Citregen key points

  • Elastomeric – Elastomeric properties provide strong pull-out strength in comparison to thermoplastic polymers or composites1,4,*

  • Resorbable - Citrate, calcium, and phosphate molecules start releasing into the system on day one6

  • No bulk degradation, which means no chronic inflammation as the implant resorbs with controlled predictability7,*
Citrelock Implant Selection

Implant selection

  • Designed to cover a breadth of foot & ankle procedures
  • Sterile-packed, individual sizes 

 

Nine strategic sizes

  • 4mm × 10mm
  • 5mm × 10mm
  • 5mm × 15mm
  • 6mm × 15mm
  • 6mm × 23mm
  • 7mm × 15mm
  • 7mm × 23mm
  • 8mm × 15mm
  • 8mm × 23mm
Product resources Discover a wealth of product resources at your fingertips. From informative videos to comprehensive brochures and handy downloads, access all the tools you need to make informed decisions and maximize the benefits of our innovative solutions.

 

 

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