The Modular Heads EC-Centric [St. St. / TIT] are a range of Modular Humeral Heads designed to function as part of the Humeral Side within compatible Shoulder Replacement / Shoulder Arthroplasty systems.
This product range features an EC-Centric Geometry, representing a different configuration within the modular head family. It provides the surgeon with an additional geometry option according to the system design, Proximal Humeral Anatomy, humeral component position, and findings obtained during Intraoperative Trialing.
The EC-Centric Modular Head is assembled onto the Compatible Humeral Stem / Humeral Component through a dedicated modular interface. The external surface of the head then forms the articulating portion of the Humeral Prosthetic Construct.
The range is available in two material variants according to the supplied catalogue: [St. St.], indicating Stainless Steel, and [TIT], indicating a Titanium Category. Each material variant is available in four listed sizes: 40, 42, 44, and 47 mm, resulting in a total of 8 Configurations.
The combination of material category and size options provides multiple choices during Preoperative Planning, Component Sizing, Trial Reduction, and Final Implant Selection. Compatibility of each head with the humeral stem and other components of the shoulder system should be confirmed according to the approved Compatibility Matrix and IFU.
What Is a Modular Head EC-Centric?
A Modular Head EC-Centric is a prosthetic humeral head used as part of a Shoulder Replacement System and characterized by a geometry configuration that differs from a standard modular head.
The head is assembled onto the compatible humeral stem to form:
Humeral Stem + EC-Centric Modular Head = Humeral Prosthetic Construct
The external surface of the head functions as an Articulating Surface within the prosthetic shoulder joint.
The EC-Centric Configuration provides an additional geometric option during shoulder reconstruction. However, the actual numerical value of the Eccentricity or Offset is not specified in the supplied product data and should be confirmed using the approved Technical Datasheet.
Product Components and Design
- EC-Centric Humeral Head Body
The main body of the implant, designed with an EC-Centric Geometry to function as part of the humeral articulation within the Shoulder Prosthesis.
- Articulating Surface
The external surface of the head forms the Prosthetic Articular Surface of the humeral side.
This surface functions with the compatible opposing component within the Shoulder Replacement System.
- Internal Modular Interface
The head incorporates an internal Modular Connection Interface designed for assembly onto the compatible Humeral Component.
The supplied product table does not specify the exact Taper Type, Taper Size, or Connection Mechanism.
- EC-Centric Geometry
The EC-Centric design represents a specific head configuration within this product family.
From a surgical planning perspective, this configuration provides an additional option when selecting the position and geometry of the humeral head within the limits of the system design. However, the current data do not provide numerical values for the Offset or Eccentricity.
- Material Options
The product range is available in two material categories:
St. St. – Stainless Steel
and
TIT – Titanium Category
according to the catalogue nomenclature.
Product Application
The Modular Heads EC-Centric are used within compatible:
Shoulder Arthroplasty / Shoulder Replacement Systems
They are assembled onto the compatible Humeral Stem after stem selection and trialing of the associated components.
Selection of the appropriate EC-Centric Head Configuration may depend on:
- Proximal Humeral Anatomy
- Humeral Stem Position
- Component Compatibility
- Head Size
- Joint Geometry
- Soft-Tissue Tension
- Shoulder Stability
- Range of Motion
- Component Positioning
- Intraoperative Trialing
The final configuration should be selected and assembled by a Qualified Orthopedic Surgeon according to the approved Surgical Technique and IFU of the system.
Key Benefits
EC-Centric Geometry Option
The EC-Centric design provides an additional head geometry option within the Shoulder Prosthesis range, supporting flexibility when selecting the final humeral construct.
Two Material Categories
The product range is available in two variants according to the catalogue:
St. St. and TIT
providing multiple product options within the same geometry.
Four Size Options
Each material variant is available in:
40 / 42 / 44 / 47 mm
providing a graduated range of Head Sizing options.
Eight Product Configurations
The product family consists of:
2 Material Options × 4 Sizes = 8 Configurations
Modular Implant Concept
The modular design allows the head to be assembled onto the compatible Humeral Stem according to the approved component system.
Intraoperative Selection Flexibility
The availability of multiple sizes and material variants provides additional options during:
- Preoperative Planning
- Trialing
- Component Sizing
- Final Head Selection
Clear Implant Identification
Each configuration carries an individual AMS Product Code, facilitating:
- Implant Identification
- Surgical Set Preparation
- Procurement
- Inventory Management
- Stock Control
Technical Specifications
Modular Heads EC-Centric [St. St.]
| Product Code | Product Configuration | Material | Size / Total Length as Listed |
| AMS 104.230.040S | EC-Centric | St. St. | 40 mm |
| AMS 104.230.042S | EC-Centric | St. St. | 42 mm |
| AMS 104.230.044S | EC-Centric | St. St. | 44 mm |
| AMS 104.230.047S | EC-Centric | St. St. | 47 mm |
Modular Heads EC-Centric [TIT]
| Product Code | Product Configuration | Material | Size / Total Length as Listed |
| AMS 104.230.040T | EC-Centric | TIT | 40 mm |
| AMS 104.230.042T | EC-Centric | TIT | 42 mm |
| AMS 104.230.044T | EC-Centric | TIT | 44 mm |
| AMS 104.230.047T | EC-Centric | TIT | 47 mm |
Technical Overview
Product Name: Modular Heads EC-Centric
Product Type: Modular Humeral Head
Product Category: Shoulder Arthroplasty Component
Application: Shoulder Replacement System
Geometry: EC-Centric
Material Options: St. St. / TIT
Available Sizes: 40 / 42 / 44 / 47 mm
Size Range: 40–47 mm
Configurations per Material: 4
Total Available Configurations: 8
Functional Role: Humeral Articulating Component
Component Interface: Compatible Humeral Stem / Humeral Component
Selection Method: Preoperative Planning & Intraoperative Trialing
Identification: Individual AMS Product Code for each configuration
Product Features
- EC-Centric Modular Humeral Head Design
- Designed for use within compatible Shoulder Replacement Systems
- Provides a different geometry within the Modular Heads product family
- Available in St. St. and TIT material variants
- Four sizes for each material variant
- Available sizes: 40, 42, 44, and 47 mm
- A total of 8 Implant Configurations
- Functions as an Articulating Component within the Humeral Prosthetic Construct
- Incorporates a Modular Interface for connection with the compatible Humeral Stem
- Supports Preoperative Planning
- Provides multiple options during Intraoperative Trialing
- Allows comparison of different head configurations according to the system design
- Individual Product Code for each material/size combination
- Facilitates Implant Identification and Surgical Set Preparation
- Supports Inventory Management, Procurement, and Stock Control
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