The Anterior Thoracic Vertebral Body Screw (5.5 mm) is a titanium spinal fixation implant designed for use within compatible anterior thoracic vertebral body fixation systems according to the manufacturer’s approved indications and surgical technique.
The implant features a threaded shaft geometry designed for mechanical engagement with the vertebral body and a proximal head/interface intended to connect with compatible anterior thoracic plates or related spinal fixation components.
According to the supplied catalog information, the implant is manufactured from:
Material: Titanium
The product family is listed under:
Cat. No.: AMS 508.055.000
The nominal screw diameter is:
Ø5.5 mm
The screw is available in five lengths ranging from 30 mm to 50 mm, with regular 5 mm increments. This range provides several options for implant selection according to thoracic anatomy, vertebral body dimensions, fixation site, required screw depth, plate geometry, and intraoperative assessment.
Each length carries a dedicated Cat. No. and GTIN No., supporting accurate implant identification, product traceability, surgical set preparation, procurement, inventory management, and stock control.
Product Explanation
The Anterior Thoracic Vertebral Body Screw (5.5 mm) is a spinal fixation screw intended to work as part of a compatible anterior thoracic plate-and-screw construct.
A simplified fixation concept can be represented as:
Thoracic Vertebral Body → 5.5 mm Vertebral Body Screw → Compatible Anterior Thoracic Plate → Thoracic Fixation Construct
The threaded section provides bone engagement, while the proximal screw head interfaces with the compatible fixation component according to the system design.
Product Components and Design
- Titanium Screw Body
The primary implant structure is manufactured from Titanium, according to the supplied product data.
- 5.5 MM Nominal Diameter
The product is specifically identified as:
Anterior Thoracic Vertebral Body Screw (5.5 mm)
indicating a nominal 5.5 mm screw configuration.
- Threaded Bone-Engagement Shaft
The screw incorporates an extended threaded section designed for mechanical engagement within bone.
The supplied catalog does not specify:
- Thread pitch
- Core diameter
- Thread depth
- Thread profile
- Self-tapping characteristics
- Proximal Screw Head / Interface
The proximal end incorporates a head designed to interface with compatible thoracic fixation components.
The exact locking mechanism, drive type, and instrumentation interface are not provided in the supplied data.
- Distal Tip
The distal end forms part of the screw’s bone-engagement geometry.
The catalog does not define whether the tip is self-drilling, self-tapping, or another specific configuration.
- Length-Specific Configurations
Available lengths are:
- 30 mm
- 35 mm
- 40 mm
- 45 mm
- 50 mm
Intended Use
The Anterior Thoracic Vertebral Body Screw (5.5 mm) is intended for use within compatible anterior thoracic spine fixation systems, according to the manufacturer’s approved indications and Instructions for Use.
Potential applications, where included within the approved indications, may include:
- Anterior thoracic vertebral body fixation.
- Thoracic plate-and-screw constructs.
- Thoracic spinal stabilization.
- Internal fixation of appropriate thoracic vertebral segments.
- Thoracic reconstruction constructs using compatible fixation components.
Selection of the appropriate screw length depends on:
- Thoracic vertebral anatomy.
- Vertebral body dimensions.
- Bone quality.
- Fixation site.
- Required screw depth.
- Screw trajectory.
- Compatible plate configuration.
- Preoperative planning.
- Intraoperative assessment.
The implant should be selected and inserted by a qualified spine surgeon according to the approved surgical technique and IFU.
Key Benefits
Titanium Material
The supplied catalog specifies:
Material: Titanium
5.5 MM Vertebral Body Screw Configuration
The product is designed as a 5.5 mm anterior thoracic vertebral body screw for compatible spinal fixation constructs.
Five Length Options
Available lengths include:
30 / 35 / 40 / 45 / 50 mm
providing multiple options during implant selection.
5 MM Length Progression
The product range increases in regular:
5 mm increments
from 30 to 50 mm.
Threaded Bone-Engagement Design
The implant incorporates an extended threaded shaft for mechanical engagement with the vertebral body.
Compatible Plate Integration
Designed to function with compatible anterior thoracic plate or fixation components according to the system configuration.
Product Traceability
Each length has an individual Cat. No. and GTIN No. to support:
- Implant identification.
- Product traceability.
- Surgical set preparation.
- Procurement.
- Inventory management.
- Stock control.
Technical Specifications
| Length | Cat. No. | GTIN No. |
| 30 mm | AMS 508.055.030T | 6221361044722 |
| 35 mm | AMS 508.055.035T | 6221361044739 |
| 40 mm | AMS 508.055.040T | 6221361044746 |
| 45 mm | AMS 508.055.045T | 6221361044753 |
| 50 mm | AMS 508.055.050T | 6221361044760 |
Technical Overview
Product Name: Anterior Thoracic Vertebral Body Screw (5.5 mm)
Material: Titanium
Product Type: Thoracic Vertebral Body Fixation Screw
Product Category: Spinal Internal Fixation Implant
General Cat. No.: AMS 508.055.000
Nominal Diameter: 5.5 mm
Available Lengths: 30 / 35 / 40 / 45 / 50 mm
Length Range: 30–50 mm
Length Increment: 5 mm
Number of Configurations: 5
Design: Threaded Vertebral Body Fixation Screw
Anatomical Application: Thoracic Spine
Fixation Concept: Anterior Thoracic Plate-and-Screw Fixation
Identification: Individual Cat. No. and GTIN No. for each length
Product Features
- Anterior Thoracic Vertebral Body Screw Design.
- Manufactured from Titanium according to the catalog.
- Nominal screw diameter: 5.5 mm.
- Designed for compatible anterior thoracic fixation systems.
- Threaded shaft for vertebral bone engagement.
- Proximal head/interface for compatible fixation components.
- Available in 5 length configurations.
- Length range from 30 to 50 mm.
- Regular 5 mm increments.
- Provides multiple options for preoperative screw selection.
- Supports intraoperative selection according to anatomy and required fixation depth.
- Individual Cat. No. for each length.
- Individual GTIN No. for each configuration.
- Supports implant identification, traceability, procurement, and inventory management.
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