The Closed Hook is a titanium spinal fixation implant designed for use within compatible posterior spinal instrumentation systems according to the manufacturer’s approved indications and surgical technique.
The implant features a compact closed-hook geometry with an integrated connection interface that allows it to function as part of a compatible rod-and-hook or posterior spinal fixation construct. Its design provides a dedicated fixation interface that can be incorporated into the broader spinal stabilization assembly according to the planned construct.
According to the supplied catalog information, the product is manufactured from:
Material: Titanium
The product family is listed under:
Cat. No.: AMS 503.003.000
The Closed Hook is available in three configurations:
Small / Medium / Large
These options provide flexibility during implant selection based on spinal anatomy, fixation location, construct geometry, compatible rod system, and intraoperative assessment.
Each size 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 Closed Hook is a spinal fixation component used as part of a compatible posterior spinal stabilization system.
A simplified construct can be represented as:
Posterior Spinal Element → Closed Hook → Compatible Rod / Connector → Spinal Fixation Construct
The hook geometry provides a mechanical interface with the targeted anatomical structure, while the upper connection section integrates with compatible spinal instrumentation.
The exact anatomical placement and hook orientation depend on the approved surgical technique and the specific fixation system.
Product Components and Design
- Titanium Hook Body
The main structural component is manufactured from Titanium, according to the supplied catalog data.
- Closed Hook Geometry
The inferior portion forms the characteristic closed-hook profile used as the anatomical fixation interface.
The exact hook depth, opening dimensions, and anatomical classification are not specified in the supplied table.
- Proximal Connection Interface
The upper section contains a mechanical connection feature intended to integrate with a compatible spinal rod or fixation component.
The exact locking mechanism and connector specifications are not provided.
- Internal Fastening Feature
A central fastening / locking element is visible in the product image.
Its exact function, thread specification, torque requirement, and locking technology should be confirmed from the official technical documentation.
- Size Configurations
Available configurations are:
- Small
- Medium
- Large
Intended Use
The Closed Hook is intended for use within compatible posterior spinal fixation systems, according to the manufacturer’s approved indications and Instructions for Use.
Potential applications, where included within the approved indications, may include:
- Posterior spinal stabilization.
- Hook-and-rod fixation constructs.
- Spinal deformity correction constructs.
- Thoracic or lumbar posterior instrumentation, when compatible with the system.
- Spinal reconstruction procedures.
- Multi-component posterior fixation assemblies.
Selection of the appropriate hook size depends on:
- Spinal anatomy.
- Fixation level.
- Anatomical attachment site.
- Construct geometry.
- Rod / connector compatibility.
- Bone quality.
- Preoperative planning.
- Intraoperative assessment.
The implant should be selected and implanted by a qualified spine surgeon according to the approved surgical technique and IFU.
Key Benefits
Titanium Material
The supplied catalog specifies:
Material: Titanium
Closed Hook Configuration
The implant features a dedicated closed-hook geometry for compatible posterior spinal fixation constructs.
Three Size Options
Available sizes include:
Small | Medium | Large
providing several options for implant selection.
Compact Fixation Component
The hook provides a compact mechanical fixation element that can be integrated into a larger spinal construct.
Compatible Construct Integration
Designed to work with compatible rods, connectors, and spinal fixation components according to the system configuration.
Product Traceability
Each size has an individual Cat. No. and GTIN No. to support:
- Implant identification.
- Product traceability.
- Surgical set preparation.
- Procurement.
- Inventory management.
- Stock control.
Technical Specifications
| Size | Cat. No. | GTIN No. |
| Small | AMS 503.003.010T | 6221361022324 |
| Medium | AMS 503.003.020T | 6221361022355 |
| Large | AMS 503.003.030T | 6221361022386 |
Technical Overview
Product Name: Closed Hook
Material: Titanium
Product Type: Spinal Fixation Hook
Product Category: Posterior Spinal Fixation Implant
General Cat. No.: AMS 503.003.000
Available Sizes: Small / Medium / Large
Number of Configurations: 3
Design: Closed Hook with Proximal Connection Interface
Fixation Concept: Hook-Based Posterior Spinal Fixation
Anatomical Application: Spine
Identification: Individual Cat. No. and GTIN No. for each size
Product Features
- Closed Hook Spinal Fixation Design.
- Manufactured from Titanium according to the catalog.
- Designed for compatible posterior spinal fixation systems.
- Compact closed-hook geometry.
- Integrated proximal connection interface.
- Internal fastening / locking feature visible in the design.
- Available in 3 sizes.
- Sizes: Small, Medium, and Large.
- Supports multiple implant selection options according to anatomy and construct requirements.
- Individual Cat. No. for each size.
- Individual GTIN No. for each configuration.
- Supports implant identification, traceability, procurement, and inventory management.
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