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The MANTIS® Spinal System and MANTIS® Redux Spinal System is intended for percutaneous, posterior, non-cervical pedicle and non-pedicle fixation of the spine to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion for the following indications: Degenerative Disc Disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthrosis; and Failed Previous Fusion.

The Radius® Spinal System is intended for use in the noncervical spine. When used as an anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation system, the Radius® Spinal system is intended to provide additional support during fusion using autograft or allograft in skeletally mature patients in the treatment of the following acute and chronic instabilities or deformities: Degenerative Disc Disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthorisis; and Failed Pervious Fusion. The Radius® Spinal System can also be linked to the XIA® Titanium Spinal System via the Ø5.5mm to Ø6.0mm Radius® rod-to-rod connector.

The Stryker Spine TRIO® Plate System is intended for posterior, noncervical (T10-S1) pedical and nonpedical fixation of the spine for the following indications: Degenerative Disc Disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthorisis; and Failed Pervious Fusion.

The Stryker Spine TRIO® Spinal Fixation System is intended for posterior, noncervical pedicle and non-pedicle fixation of the spine. The Stryker Spine TRIO® Spinal Fixation System is indicated for: Degenerative Disc Disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthorisis; and Failed Pervious Fusion. The TRIO® Spinal Fixation Sytem is intended to be used in conjunction with the OSS Diapason Rods, Opus Spinal System Rods, and the Multi-Axis Cross Connectors.

The Stryker Spine TRIO® Spinal System is intended for posterior, noncervical pedicle and nonpedicle fixation of the spine to provide immobilization and stabilization of spinal segements in skeletally mature patients as an adjunct to fusion for the following indications: Degenerative Disc Disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthorisis; and Failed Pervious Fusion. The TRIO® + Spinal System is intended to be used in conjunction with the OSS/Diapason Rods or Opus Rods, XIA® Pre-bent Rods, and the Multi-Axis Cross Connectors.

The Stryker Spine TRIO® TRAUMA Spinal System is intended for percutaneous, posterior, non-cervical pedicle fixation of the spine to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion for the following indications: Degenerative Disc Disease (DD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthorisis; and Failed Pervious Fusion.

The XIA® Spinal System and XIA® 4.5 Spinal System are intended for anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation for the following indications: Degenerative Disc Disease (DDD) (Defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e., fracture or dislocation); Spinal Stenosis; Curvatures (i.e., Scoliosis, Kyphosis, and/or Lordosis); Tumor; Pseudoarthrosis and; Failed previous fusion. The 6mm diameter rods from the DIAPASON® Spinal System and OPUS® Spinal System are intended to be used with the other components of the XIA® Titanium Spinal System. The Titanium Multi-Axial Cross Connector are intended to be used with the other components of the XIA® Titanium Spinal System.

The XIA® 3 Spinal System is intended for use in the noncervical spine. When used as an anterior/anterolateral and posterior, noncervical pedicle fixation system, the XIA® 3 Spinal System is intended to provide additional support during autograft or allograft in skeletally mature patients in the treatment of the following acute and chronic instabilities or deformities: Degenerative Disc Disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor, Pseudoarthorisis; and Failed Pervious Fusion. The Ø5.5mm rods from the Stryker Spine Radius® Spinal System and the Ø6.0mm Vitallium Rods from the XIA® Spinal System are intended to be used with the other components of the XIA® 3 Spinal System. When used for posterior noncervical pedicle screw fixation in pediatric patients, the XIA® Spinal System implants are indicated as an adjunct to fusion to treat adolescent idiopathic scollosis. The XIA® 3 Spinal System for pediatic use is intended to be used with autograft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

The XIA® 4.5 Spinal System is intended for anterior/anteriolateral and posterior, noncervical pedicle and non-pedicle fixation for the following indications: Degenerative Disc Disease (DD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); Spondylolisthesis; Trauma (i.e. fracture or dislocation); Spinal Stenosis; Curvature (i.e. scoliosis, kyphosis, and/or lordosis); Tumor; Pseudoarthorisis; and Failed Pervious Fusion. The Stryker Spine DIAPASON® Spinal System, OPUS® Spinal System and XIA® 4.5 Spinal System can be linked to the XIA® 4.5 Spinal System via the rod-to-rod connector when used for the aforementioned indications in skeletally mature patients as an adjunct to fusion. Except for the staples, the XIA® 4.5 Spinal System is indicated as an adjunct to fusion to treat adolescent idiopathic scoliosis when used for posterior noncervical pedicle screw fixation in pediatric patients. The XIA® 4.5 Spinal System for pediatric use in intended to be used with autograft and/or allograft. Pediatric pedicle screw fixation is limited to a posterior approach.

The STRYKER Spine thoraco-lumbar spinal fixation systems, subject of this 510(k), are non-cervical, pedicle and non-pedicle fixation systems comprised of screws, rods, plates, hooks, connectors, washers and staples. The components are manufactured from either Titanium (Titanium Alloy and CP Titanium), Stainless Steel or Cobalt-Chromium-Molybdenum Alloy (Vitallium®). This Special 510(k) submission seeks clearance for sterile labeling of the listed STRYKER Spine thoraco-lumbar spinal fixation systems. All of the components of the subject devices will be sterilized by gamma radiation, a traditional sterilization method as per FDA guidance document, Updated 510(k) Sterility Review Guidance K90-1; Guidance for Industry and FDA.

This is a 510(k) Premarket Notification for sterile packaging of a range of spinal systems. The key claim is substantial equivalence to previously cleared non-sterile versions of the same devices. Therefore, the "device" in question for this submission is specifically the sterile packaging and the sterilization process, not the spinal implant itself as a medical device performing a physiological function. The "performance" being evaluated is the ability to maintain sterility and the structural integrity of the device within its packaging over its shelf life.

Here's the breakdown of the acceptance criteria and the study that proves the device meets them:

1. A table of acceptance criteria and the reported device performance

2. Sample sized used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)

The document primarily discusses the sterilization process and packaging rather than clinical performance of the implant itself. Therefore, typical "test set" in the context of clinical or diagnostic AI/software devices (e.g., patient data) is not applicable here.

• Sterilization and Packaging Validation Data: The document mentions "accelerated aging data" for validating the 5-year shelf life. It does not specify the sample size for this testing, nor the country of origin or whether it was retrospective or prospective. However, these types of tests are typically prospective laboratory studies conducted in controlled environments.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience)

Not applicable. This submission is about the sterility and packaging of medical implants, not a diagnostic or clinical performance study that would require expert ground truth labeling. The "ground truth" here is the scientific validation of sterilization methods and shelf life according to recognized standards and FDA guidance.

4. Adjudication method (e.g. 2+1, 3+1, none) for the test set

Not applicable. Adjudication methods are typically used in clinical studies for establishing ground truth, which is not relevant to this submission on sterile packaging.

5. If a multi reader multi case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance

Not applicable. This is not an AI/software device and no MRMC study was conducted.

6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done

Not applicable. This is not an AI/software device.

7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)

The "ground truth" for this submission relies on:

• Scientific Validation of Sterilization: Adherence to established scientific principles and FDA guidance for sterilization (gamma radiation), demonstrating a Sterility Assurance Level (SAL).
• Accelerated Aging Data: Laboratory testing to simulate real-time aging and demonstrate that the sterile barrier packaging system maintains sterility for the stated shelf life.
• Material and Design Specification Conformity: Confirmation that the components are manufactured from specified materials and that their design, technical requirements, and intended use are identical to the non-sterile predicate devices.

8. The sample size for the training set

Not applicable. This is not a machine learning or AI device that requires a training set.

9. How the ground truth for the training set was established

Not applicable. As this is not a machine learning or AI device, there is no training set and therefore no ground truth establishment for a training set.

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The Xia Spinal System is intended for use in the noncervical spine. When used as a pedicle screw fixation system, the Xia Spinal System is intended for patients: (a) having severe spondylolisthesis (Grades 3 and 4) at the fifth lumbar - first sacral (L5-S1) vertebral joint; (b) who are receiving fusions using autogenous bone graft only; (c) who are having the device fixed or attached to the lumbar and sacral spine; and (d) who are having the device removed after the development of a solid fusion mass.

When used as a pedicle screw fixation system, the Xia Spinal System is also intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine: degenerative spondylolisthesis with objective evidence of neurologic impairment, fracture, dislocation, scoliosis, spinal tumor, and failed previous fusion (pseudarthrosis).

When used as an anterior screw fixation system or a posterior hook and sacral/iliac screw fixation system, the Xia® Spinal System is indicated for patients with degenerative disc disease which is defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies, spondylolisthesis, fracture, spinal stenosis, spinal deformities such as scoliosis, kyphosis, lordosis, tumor, pseudoarthrosis or revision of failed fusion attempts.

The 6mm diameter rods from the DIAPASON™ Spinal System and OPUS™ Spinal System are intended to be used with the other components of the Xia® Titanium Spinal System. The Titanium Multi-Axial Cross Connectors are intended to be used with the other components of the Xia Titanium Spinal System.

The Xia® Titanium Spinal System consists of Monoaxial and Polyaxial Screws, Washer, Hooks, Blocker, Rods, Staples, Connectors and Multi-Axial Cross Connectors (MACs). The components are manufactured from Titanium material (Ti alloy and CP Titanium). This submission is intended to address a line extension to Xia® Spinal System. The line extension includes a new range of offset and rod to rod Titanium alloy connectors.

This 510(k) Premarket Notification (K052181) describes a line extension to the Xia® Spinal System. The document does not contain any information about acceptance criteria or a study proving the device meets acceptance criteria in the context of device performance metrics, statistical analysis, or comparison to a pre-defined threshold.

Instead, the submission focuses on demonstrating substantial equivalence to predicate devices through:

• Technological Comparison: Stating that the subject components (new range of offset and rod-to-rod Titanium alloy connectors) share the "same intended use, material, and basic design concepts" as the predicate Xia Spinal System (K013823).
• Mechanical Testing: Mentioning that mechanical testing "demonstrated comparable mechanical properties to the predicate device." However, no specific data, acceptance criteria for this testing, or detailed study methodology are provided in this summary.

Therefore, I cannot provide the requested information in the table or answer the specific questions related to acceptance criteria, sample sizes, ground truth, expert opinions, or comparative effectiveness studies based on the provided text. This type of 510(k) summary typically includes a high-level overview and directs the reviewer to the full submission for detailed testing results.

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