Cemented UHMWPE Acetabular Cup

The Cemented UHMWPE Acetabular Cup is one of the primary Acetabular Components used within Total Hip Arthroplasty (THA) systems. It is designed to be fixed within the Acetabulum using Orthopedic Bone Cement, forming the acetabular side of the artificial hip joint.

The product is manufactured from UHMWPE – Ultra-High-Molecular-Weight Polyethylene. Its concave internal surface functions as an Articulating Bearing Surface designed to accommodate the compatible Femoral Head, while the external surface of the cup is secured within the acetabulum using Bone Cement in accordance with the approved Surgical Technique of the system.

The range provides graduated Cup Diameters from 44 mm to 58 mm in 2 mm increments, together with three different Femoral Head Diameter options: 22 mm, 28 mm, and 32 mm.

The product family therefore includes 24 different configurations, providing a broad range of combinations that may be selected according to Acetabular Anatomy, Preoperative Templating, Femoral Head Selection, Intraoperative Assessment, and the requirements of Hip Reconstruction.

Each configuration has an individual AMS Product Code, facilitating Implant Identification, Procurement, Inventory Management, Surgical Set Preparation, and Stock Control.

What Is a Cemented UHMWPE Acetabular Cup?

A Cemented Acetabular Cup is an implant that forms the acetabular component of an artificial hip joint and is fixed within the Acetabulum using Bone Cement.

In this product, the cup is manufactured from UHMWPE, while its internal surface functions as the Bearing Surface within which the compatible Femoral Head articulates.

The Hip Articulation can generally be described as:

Femoral Head + UHMWPE Acetabular Cup = Articulating Bearing Couple

The product provides compatibility with three different Femoral Head Diameters:

• 22 mm
• 28 mm
• 32 mm

with multiple cup sizes available for each diameter.

Product Design and Components

1. UHMWPE Cup Body

The main body of the Acetabular Component, manufactured from:

Ultra-High-Molecular-Weight Polyethylene – UHMWPE

according to the product name and supplied data.

2. Internal Articulating Surface

The concave internal surface of the cup, designed to accommodate the compatible Femoral Head and form the Bearing Surface of the artificial joint.

It is available in three categories:

22 mm – 28 mm – 32 mm

3. External Cement Interface

The external surface of the Acetabular Cup, which is fixed within the Acetabulum using Bone Cement.

Any detailed specifications relating to External Grooves or other Cement Fixation Features should be confirmed using the approved Technical Datasheet before being published as official product specifications.

4. Cup Rim

The circumferential rim of the Acetabular Component, defining the boundary of the cup’s Bearing Geometry.

5. Acetabular Bearing Geometry

The design combines:

• Outer Cup Diameter
• Internal Head Diameter

to create a specific configuration compatible with the other components of the Hip System.

Product Application

The Cemented UHMWPE Acetabular Cup is used in Total Hip Arthroplasty / Total Hip Replacement procedures when Cemented Acetabular Fixation is selected according to the surgeon’s assessment.

The general surgical application includes:

1. Preparing the Acetabulum according to the approved Surgical Technique.
2. Determining the appropriate Acetabular Cup Size.
3. Preparing and applying Bone Cement according to the approved technique.
4. Fixing the UHMWPE Acetabular Cup within the acetabulum.
5. Selecting the compatible Femoral Head Diameter.
6. Performing Trial Reduction and assessing Hip Mechanics.
7. Completing the Final Hip Articulation.

Selection of the appropriate configuration depends on:

• Acetabular Anatomy
• Bone Stock
• Cup Diameter
• Femoral Head Diameter
• Preoperative Templating
• Joint Stability
• Range of Motion
• Intraoperative Assessment

Key Benefits

UHMWPE Bearing Material

The product uses UHMWPE as the material for the Acetabular Bearing Component, a material widely used in orthopedic joint replacement bearing applications.

Cemented Fixation

Designed for use with Bone Cement to secure the Acetabular Component according to a Cemented Hip Arthroplasty Technique.

Wide Cup Size Range

Available cup sizes range from:

44 mm to 58 mm

providing multiple options to accommodate variations in Acetabular Dimensions.

Multiple Femoral Head Options

The product supports configurations associated with three head diameters:

22 mm, 28 mm, and 32 mm

providing a diverse range of Bearing Configurations.

2 mm Size Progression

All cup sizes increase in consistent increments of:

2 mm

providing closely spaced options during Acetabular Sizing.

Extensive Implant Portfolio

The product family includes 24 different configurations, supporting flexible Implant Selection within the system.

Clear Product Identification

Each configuration has an individual AMS Product Code, facilitating:

• Implant Identification
• Procurement
• Inventory Management
• Surgical Set Preparation
• Stock Control

Technical Specifications

Cemented UHMWPE Acetabular Cup – 22 MM

Product Code	Product Description	Cup Size	Head Diameter
AMS 175.022.044	Acetabular Cup UHMWPE 44 × 22 MM	44 mm	22 mm
AMS 175.022.046	Acetabular Cup UHMWPE 46 × 22 MM	46 mm	22 mm
AMS 175.022.048	Acetabular Cup UHMWPE 48 × 22 MM	48 mm	22 mm
AMS 175.022.050	Acetabular Cup UHMWPE 50 × 22 MM	50 mm	22 mm
AMS 175.022.052	Acetabular Cup UHMWPE 52 × 22 MM	52 mm	22 mm
AMS 175.022.054	Acetabular Cup UHMWPE 54 × 22 MM	54 mm	22 mm
AMS 175.022.056	Acetabular Cup UHMWPE 56 × 22 MM	56 mm	22 mm
AMS 175.022.058	Acetabular Cup UHMWPE 58 × 22 MM	58 mm	22 mm

Cemented UHMWPE Acetabular Cup – 28 MM

Product Code	Product Description	Cup Size	Head Diameter
AMS 175.028.044	Acetabular Cup UHMWPE 44 × 28 MM	44 mm	28 mm
AMS 175.028.046	Acetabular Cup UHMWPE 46 × 28 MM	46 mm	28 mm
AMS 175.028.048	Acetabular Cup UHMWPE 48 × 28 MM	48 mm	28 mm
AMS 175.028.050	Acetabular Cup UHMWPE 50 × 28 MM	50 mm	28 mm
AMS 175.028.052	Acetabular Cup UHMWPE 52 × 28 MM	52 mm	28 mm
AMS 175.028.054	Acetabular Cup UHMWPE 54 × 28 MM	54 mm	28 mm
AMS 175.028.056	Acetabular Cup UHMWPE 56 × 28 MM	56 mm	28 mm
AMS 175.028.058	Acetabular Cup UHMWPE 58 × 28 MM	58 mm	28 mm

Cemented UHMWPE Acetabular Cup – 32 MM

Product Code	Product Description	Cup Size	Head Diameter
AMS 175.032.044	Acetabular Cup UHMWPE 44 × 32 MM	44 mm	32 mm
AMS 175.032.046	Acetabular Cup UHMWPE 46 × 32 MM	46 mm	32 mm
AMS 175.032.048	Acetabular Cup UHMWPE 48 × 32 MM	48 mm	32 mm
AMS 175.032.050	Acetabular Cup UHMWPE 50 × 32 MM	50 mm	32 mm
AMS 175.032.052	Acetabular Cup UHMWPE 52 × 32 MM	52 mm	32 mm
AMS 175.032.054	Acetabular Cup UHMWPE 54 × 32 MM	54 mm	32 mm
AMS 175.032.056	Acetabular Cup UHMWPE 56 × 32 MM	56 mm	32 mm
AMS 175.032.058	Acetabular Cup UHMWPE 58 × 32 MM	58 mm	32 mm

Technical Overview

Product Name: Cemented UHMWPE Acetabular Cup
Component Type: Cemented Acetabular Component
Product Category: Hip Arthroplasty Bearing Component
Application: Total Hip Arthroplasty / Total Hip Replacement
Material: UHMWPE – Ultra-High-Molecular-Weight Polyethylene
Fixation Type: Cemented
Cup Size Range: 44–58 mm
Available Cup Sizes: 44 / 46 / 48 / 50 / 52 / 54 / 56 / 58 mm
Cup Size Increment: 2 mm
Head Diameter Options: 22 / 28 / 32 mm
Configurations per Head Diameter: 8
Total Available Configurations: 24
Identification: Individual AMS Product Code for each configuration

Product Features

• Manufactured from UHMWPE – Ultra-High-Molecular-Weight Polyethylene
• Cemented Acetabular Cup Design
• Designed for use within compatible Total Hip Arthroplasty Systems
• Functions as an Acetabular Bearing Component
• Wide Cup Size Range from 44 to 58 mm
• 8 Cup Sizes for each head diameter
• Three Head Diameter Options: 22 / 28 / 32 mm
• A total of 24 Implant Configurations
• Consistent 2 mm Size Increment
• Provides multiple options during Preoperative Templating
• Supports Intraoperative Acetabular Sizing and selection of the appropriate Bearing Configuration
• Articulates with the compatible Femoral Head to form the Hip Bearing Couple
• Designed for Cemented Fixation using Bone Cement
• Individual AMS Product Code for each cup/head combination
• Facilitates Implant Identification during surgical preparation
• Supports organized Surgical Inventory, Procurement, and Stock Management