The Cervical Screw (4.0 mm) is a titanium spinal fixation implant designed for use within compatible cervical spine internal fixation systems according to the manufacturer’s approved indications and surgical technique.
The implant features a threaded shaft designed for mechanical engagement with bone and a proximal screw head intended to interface with compatible cervical fixation components and surgical instrumentation according to the specific spinal system.
According to the supplied catalog information, the implant is manufactured from:
Material: Titanium
The product family is listed under:
Cat. No.: AMS 514.040.000
The nominal screw diameter is:
Ø4.0 mm
The product is available in 16 lengths ranging from 8 mm to 38 mm, providing multiple options for screw selection according to cervical anatomy, bone dimensions, fixation site, required screw depth, construct geometry, and intraoperative assessment.
Each configuration carries an individual Cat. No. and GTIN No., supporting accurate implant identification, product traceability, surgical set preparation, procurement, inventory management, and stock control.
Product Explanation
The Cervical Screw (4.0 mm) is a spinal fixation screw used as part of a compatible cervical stabilization construct.
A simplified fixation concept can be represented as:
Cervical Vertebra → Cervical Screw → Compatible Plate / Fixation Component → Cervical Fixation Construct
The threaded shaft provides bone engagement, while the proximal head interfaces with the compatible fixation system according to its design.
Product Components and Design
- Titanium Screw Body
The primary implant structure is manufactured from Titanium, according to the supplied product data.
- 4.0 MM Nominal Diameter
The product is identified in the catalog as:
Cervical Screw (4.0 mm)
indicating a nominal 4.0 mm screw configuration.
- Threaded Shaft
The screw incorporates a threaded shaft intended for fixation within bone.
The supplied catalog does not specify:
- Thread pitch
- Core diameter
- Thread profile
- Thread depth
- Self-tapping characteristics
- Proximal Screw Head
The screw head is designed to interface with compatible fixation components and instrumentation.
The exact drive interface and locking mechanism are not specified in the supplied data.
- Distal Tip
The distal portion forms part of the screw’s bone-engagement geometry.
The catalog does not confirm whether the design is self-drilling, self-tapping, or another specific tip configuration.
- Length-Specific Configurations
Available lengths include:
8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 / 32 / 34 / 36 / 38 mm
Intended Use
The Cervical Screw (4.0 mm) is intended for use within compatible cervical spine fixation systems, according to the manufacturer’s approved indications and Instructions for Use.
Potential applications, where included within the approved indications, may include:
- Cervical spine stabilization.
- Cervical plate-and-screw fixation constructs.
- Cervical spinal reconstruction.
- Internal fixation of appropriate cervical vertebral segments.
- Compatible anterior or posterior cervical fixation systems.
- Fixation within compatible cervical plate, lateral mass, or related constructs.
Selection of the appropriate screw configuration depends on:
- Cervical anatomy.
- Bone dimensions.
- Bone quality.
- Fixation site.
- Required screw depth.
- Screw trajectory.
- Compatible implant system.
- Preoperative planning.
- Intraoperative assessment.
The implant should be selected and inserted by a qualified spine surgeon in accordance with the approved surgical technique and IFU.
Key Benefits
Titanium Material
The supplied catalog specifies:
Material: Titanium
4.0 MM Cervical Screw Configuration
The implant is identified as a 4.0 mm Cervical Screw for compatible spinal fixation constructs.
Wide Length Range
Available lengths range from:
8 mm to 38 mm
providing extensive options for implant selection.
Sixteen Product Configurations
The family includes:
16 individual lengths
within the same cervical screw range.
2 MM Length Progression
The listed lengths progress in regular:
2 mm increments
from 8 to 38 mm.
Threaded Bone-Engagement Design
The implant incorporates a threaded shaft designed for mechanical fixation within bone.
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. |
| 8 mm | AMS 514.040.008T | 6221361018532 |
| 10 mm | AMS 514.040.010T | 6221361018563 |
| 12 mm | AMS 514.040.012T | 6221361010161 |
| 14 mm | AMS 514.040.014T | 6221361010185 |
| 16 mm | AMS 514.040.016T | 6221361010208 |
| 18 mm | AMS 514.040.018T | 6221361018686 |
| 20 mm | AMS 514.040.020T | 6221361010222 |
| 22 mm | AMS 514.040.022T | 6221361010246 |
| 24 mm | AMS 514.040.024T | 6221361010260 |
| 26 mm | AMS 514.040.026T | 6221361010284 |
| 28 mm | AMS 514.040.028T | 6221361010307 |
| 30 mm | AMS 514.040.030T | 6221361010321 |
| 32 mm | AMS 514.040.032T | 6221361010345 |
| 34 mm | AMS 514.040.034T | 6221361010369 |
| 36 mm | AMS 514.040.036T | 6221361010383 |
| 38 mm | AMS 514.040.038T | 6221361018594 |
Technical Overview
Product Name: Cervical Screw (4.0 mm)
Material: Titanium
Product Type: Cervical Spine Fixation Screw
Product Category: Spinal Internal Fixation Implant
General Cat. No.: AMS 514.040.000
Nominal Diameter: 4.0 mm
Available Lengths: 8–38 mm
Length Increment: 2 mm
Number of Configurations: 16
Design: Threaded Cervical Fixation Screw
Anatomical Application: Cervical Spine
Functional Role: Bone fixation within compatible cervical spinal constructs
Identification: Individual Cat. No. and GTIN No. for each length
Product Features
- 4.0 mm Cervical Screw Design.
- Manufactured from Titanium according to the catalog.
- Intended for compatible cervical spine fixation systems.
- Threaded shaft for bone engagement.
- Proximal head for compatible fixation-system interface.
- Available in 16 length configurations.
- Length range from 8 to 38 mm.
- Regular 2 mm length increments.
- Provides multiple options for preoperative screw selection.
- Supports intraoperative selection according to cervical anatomy and required fixation depth.
- Individual Cat. No. for every length.
- Individual GTIN No. for every configuration.
- Supports implant identification, traceability, procurement, and inventory management.
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