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The PERLA® TL posterior osteosynthesis system is intended to provide immobilization of spinal segments in skeletally mature patients as an adjunct to fusion in the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: degenerative disc disease; spondylolisthesis; fracture; dislocation; scoliosis; kyphosis; spinal tumor; and failed previous fusion (pseudarthrosis). When used for posterior non-cervical pedicle screw fixation in pediatric patients, the PERLA® TL posterior osteosynthesis system is indicated as an adjunct to fusion to treat adolescent idiopathic scoliosis. The PERLA® TL posterior osteosynthesis system is intended to be used with autograft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

The PERLA® TL posterior osteosynthesis system consists of a range of screws, rods, set screws, hooks, rod connectors and cross-connectors. These connecting components can be rigidly locked to the rod in a variety of configurations to be adapted for the individual case. The Perla®TL system is manufactured from medical grade titanium alloy and medical grade cobalt chromium conforming respectively to standards ASTM F136 and ASTM F1537. The PERLA® TL posterior osteosynthesis implants are delivered either non sterile or sterile (gamma sterilization) and supplied with dedicated surgical instruments. Bacterial endotoxin testing as specified in USP standard is used for pyrogenicity testing to achieve the Endotoxin limit of 20 EU / device. The subject product line extension of the PERLA® TL Posterior Osteosynthesis System manufactured by Spineart (K193396) consists of addition of cannulated screws (various models), fenestrated screws (various models), percutaneous rods and associated surgical instruments.

This is a 510(k) premarket notification for a medical device (PERLA® TL posterior osteosynthesis system), not an AI/ML device. Therefore, the requested information about acceptance criteria, study details, and data provenance related to AI/ML performance is not present in the provided document.

The document discusses the substantial equivalence of the PERLA® TL device to legally marketed predicate devices, focusing on:

• Indications for Use: The system is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion for various spinal conditions in skeletally mature patients and for adolescent idiopathic scoliosis in pediatric patients.
• Device Description: It consists of screws, rods, set screws, hooks, rod connectors, and cross-connectors made from medical-grade titanium alloy and cobalt chromium. The current submission is a product line extension adding cannulated and fenestrated screws, percutaneous rods, and associated instruments.
• Technological Characteristics: The added components share the same indications for use, function, material composition, design, range of sizes, and mechanical performance as predicate devices.
• Non-clinical Performance Testing: Static compression bending, static torsion, and dynamic compression bending tests were conducted according to ASTM F1717 to demonstrate comparable mechanical properties to predicate devices.

Therefore, the information regarding acceptance criteria, study design, and data specifics that would be relevant for an AI/ML-based device (e.g., sample size, expert consensus, ground truth, effect size) is not applicable to this submission.

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