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Tibial Tuberosity Crown for the treatment of cranial cruciate ligament deficiency in three dogs
  1. Simone Katharina Niederhäuser1,
  2. Slobodan Tepic2,
  3. Inja Tepic2 and
  4. Urs Weber1
  1. 1Tierärztliches Überweisungszentrum, Tenniken, Switzerland
  2. 2Kyon AG, Zürich, Switzerland
  1. Correspondence to Dr Simone Katharina Niederhäuser, s.niederhaeuser{at}


Three adult large-breed dogs were evaluated because of pelvic limb lameness. Cranial cruciate ligament deficiency was confirmed by positive cranial tibial thrust and pain on palpation of the affected stifle joint. Radiography and MRI revealed findings consistent with cranial cruciate ligament pathology; no evidence of meniscal injury was detected. Each dog underwent patellar tendon advancement for stabilisation of the cranial cruciate ligament-deficient stifle joint by use of Tibial Tuberosity Crown – a recently developed titanium implant, consisting of a self-tapping anchor screw and a crown, which is inserted beneath the patellar tendon in order to maintain it in an advanced position. All dogs regained normal function of the affected pelvic limb. This pilot study describes a novel procedure of patellar tendon advancement for the treatment of cranial cruciate ligament deficiency. Tibial Tuberosity Crown closely emulates the mechanics of the well-established tibial tuberosity advancement without need of an osteotomy.

  • Canine
  • Stifle
  • Cranial Cruciate Ligament
  • Patellar Tendon Advancement
  • Tibial Tuberosity
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