The Tibial Insert Stem [TIT Alloy] is a component of the Tibial Side within Total Knee Replacement / Total Knee Arthroplasty – TKA systems. It is designed to function as a Tibial Stem Extension compatible with the system’s Tibial Component.
The stem extends toward the Tibial Intramedullary Canal according to the system design and approved surgical technique. It allows the surgeon to select an appropriate Stem Length based on Tibial Reconstruction requirements, bone anatomy, Bone Preparation, and the planned configuration of the Tibial Construct.
According to the supplied technical data, the product is classified as TIT Alloy, indicating a Titanium Alloy material category. It is available in two length options: 47 mm and 100 mm. These configurations provide alternatives that may be selected according to Preoperative Planning and Intraoperative Assessment.
The Tibial Insert Stem is used as part of an integrated construct with the Compatible Tibial Baseplate / Tibial Component and other components of the Total Knee Prosthesis. Component compatibility specified by the manufacturer must be observed.
Each length has an individual AMS Product Code, facilitating Implant Selection, Surgical Set Preparation, Procurement, Inventory Management, and Stock Control.
What Is a Tibial Insert Stem?
The Tibial Insert Stem, also referred to as a Tibial Stem Extension, is an implant component connected to the Tibial Component of a knee replacement system and designed to extend into the Tibial Intramedullary Canal according to the system design.
The stem functions as part of the Tibial Construct and is not an independent bearing surface. It is selected according to the requirements of the clinical case and the components used within the system.
The current product range includes two options:
- 47 mm Tibial Insert Stem
- 100 mm Tibial Insert Stem
Final selection should be made by the surgeon according to the surgical plan and approved Surgical Technique.
Product Components and Design
- Tibial Stem Body
The main longitudinal body of the implant, extending distally from the Tibial Component toward the Tibial Canal.
This section determines the Stem Length of each configuration.
- Proximal Connection Interface
The proximal portion of the stem designed to connect with the Compatible Tibial Component / Baseplate.
The exact connection design and mechanism are not specified in the supplied product table. Therefore, a specific Locking Mechanism or Connection Type should not be stated without consulting the approved Technical Datasheet.
- Distal Stem Section
The distal section that extends within the bony canal according to the specified implant length.
Available in:
47 mm and 100 mm
- Titanium Alloy Structure
The product is classified as:
TIT Alloy
indicating a Titanium Alloy Material Category according to the supplied product data.
The exact Titanium Grade or Alloy Standard is not specified in the current table.
Product Application
The Tibial Insert Stem [TIT Alloy] is used as part of the Tibial Construct within compatible Total Knee Arthroplasty systems.
Selection and use of the stem extension generally depend on factors including:
- Tibial Anatomy
- Proximal Tibial Bone Preparation
- Bone Stock
- Tibial Component Configuration
- Required Stem Extension Length
- Preoperative Planning
- Intraoperative Assessment
- Component Compatibility
The stem is connected to the compatible Tibial Component according to the system design, after which the complete construct is positioned according to the approved Surgical Technique.
The appropriate Stem Length and method of use should be determined by a Qualified Orthopedic Surgeon in accordance with the system’s approved IFU.
Key Benefits
Two Stem Length Options
The product is available in two different lengths:
47 mm – 100 mm
providing more than one Stem Extension Configuration within the system.
Tibial Construct Integration
Designed to function with the Compatible Tibial Component as part of a Total Knee Replacement System.
Tibial Canal Extension
Provides a Stem Extension designed to extend into the Tibial Canal according to system requirements and surgical planning.
Titanium Alloy Category
The material is identified as TIT Alloy according to the supplied product data, classifying the component within the category of Titanium Alloy Orthopedic Components.
Surgical Planning Flexibility
The availability of two lengths supports:
- Preoperative Planning
- Tibial Reconstruction Planning
- Intraoperative Component Selection
Clear Implant Identification
Each length has an individual AMS Product Code, facilitating:
- Implant Identification
- Surgical Set Preparation
- Procurement
- Inventory Management
- Stock Control
Technical Specifications
| Product Code | Product Description | Length |
| AMS 120.704.047 | Tibial Insert Stem [TIT Alloy] | 47 mm |
| AMS 120.704.100 | Tibial Insert Stem [TIT Alloy] | 100 mm |
Technical Overview
Product Name: Tibial Insert Stem [TIT Alloy]
Alternative Industry Term: Tibial Stem Extension
System: Total Knee Replacement System
Component Category: Tibial Prosthesis Component
Application: Total Knee Arthroplasty / Tibial Reconstruction
Material Category: Titanium Alloy [TIT Alloy]
Available Lengths: 47 / 100 mm
Number of Configurations: 2
Anatomical Interface: Tibial Intramedullary Canal
Component Interface: Compatible Tibial Component / Baseplate
Identification: Individual AMS Product Code for each length
Product Features
- Tibial Stem Extension Design
- Designed for use within compatible Total Knee Replacement Systems
- Material classified as Titanium Alloy [TIT Alloy] according to the supplied product data
- Functions as part of the Tibial Construct
- Designed to extend into the Tibial Intramedullary Canal according to the system
- Two available length options: 47 mm and 100 mm
- Provides multiple options during Tibial Reconstruction Planning
- Supports Preoperative Component Planning
- Allows Intraoperative Stem Selection according to case requirements
- Designed to connect with the Compatible Tibial Component
- Clearly defined configuration for each Stem Length
- Individual Product Code for each length
- Facilitates Implant Identification during surgical preparation
- Supports organization of Surgical Sets and Implant Inventory
- Suitable for Procurement and Stock Control due to clearly defined product codes and lengths
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