Anterior Femoral Punches
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The Anterior Femoral Punches are specialized orthopedic instruments designed to assist with femoral head removal during hip revision procedures. Three different stem-angle configurations provide a choice of approach, allowing the appropriate punch to be selected according to the surgical position and access required.
The angled configuration is designed to provide a more favorable striking direction, helping improve the application of striking force when working to break the taper connection between the femoral head and stem.
A Delrin pad is incorporated into the working end to help prevent scratching of the femoral stem trunnion during use.
Important: The Delrin pad should NOT be used for impaction.
Key Features
- Three stem-angle configurations for different approaches
- Angled Up, Left, and Right options
- Angled design intended to provide better striking force
- Designed to assist in breaking the taper between the femoral head and stem
- Delrin pad helps prevent scratching of the femoral stem trunnion
- 40° angle available in each configuration
- Overall lengths of 8.75" (22.2 cm) and 9" (22.9 cm)
- Designed for anterior femoral head removal applications
Three Angle Configurations
The Anterior Femoral Punches are available in three configurations, allowing the user to select the orientation that provides the most appropriate approach.
Angled Up
The Angled Up configuration has a 40° upward angle and an overall length of 8.75" (22.2 cm).
This orientation provides an upward-directed working approach and can be selected according to the surgical position and required access.
Left
The Left configuration has a 40° left angle and an overall length of 9" (22.9 cm).
This configuration provides a left-directed approach to the femoral head and stem connection.
Right
The Right configuration has a 40° right angle and an overall length of 9" (22.9 cm).
This configuration provides a right-directed approach to the femoral head and stem connection.
Angle Selection
The three configurations provide different directional approaches:
- Angled Up — 40°
- Left — 40°
- Right — 40°
The appropriate configuration can be selected according to the required direction of access and the surgeon's preferred approach.
Angled Striking Design
The angled geometry is designed to provide a more favorable direction for applying striking force during femoral head removal.
The punch can be positioned to help direct the applied force toward the femoral head and stem connection, assisting with breaking the taper between the two components.
This angled approach is particularly relevant when working through an anterior surgical approach where instrument positioning and access can be important considerations.
Delrin Protective Pad
The working end incorporates a Delrin pad designed to help protect the femoral stem trunnion from scratching during the removal process.
The Delrin pad provides a protective contact surface while the punch is positioned for femoral head removal.
Important Safety/Use Note
THE DELRIN PAD SHOULD NOT BE USED FOR IMPACTION.
The pad is intended for protection of the femoral stem trunnion and should not be used as an impaction surface.
Surgical Applications
The Anterior Femoral Punches are designed to assist with:
- Femoral head removal
- Breaking the taper connection between the femoral head and stem
- Anterior approach hip revision procedures
- Controlled positioning around the femoral stem
- Applications where protection of the femoral stem trunnion is required
The appropriate angle should be selected according to the surgical approach and required direction of access.
Configuration Comparison
| Feature | Angled Up | Left | Right |
|---|---|---|---|
| Angle | 40° Up | 40° Left | 40° Right |
| Overall Length | 8.75" (22.2 cm) | 9" (22.9 cm) | 9" (22.9 cm) |
| Delrin Pad | Yes | Yes | Yes |
| Primary Function | Femoral Head Removal | Femoral Head Removal | Femoral Head Removal |
Technical Specifications
| Specification | Angled Up | Left | Right |
|---|---|---|---|
| Instrument Type | Anterior Femoral Punch | Anterior Femoral Punch | Anterior Femoral Punch |
| Configuration | Angled Up | Left | Right |
| Overall Length | 8.75" (22.2 cm) | 9" (22.9 cm) | 9" (22.9 cm) |
| Working Angle | 40° Up | 40° Left | 40° Right |
| Protective Pad | Delrin | Delrin | Delrin |
| Primary Application | Femoral Head Removal | Femoral Head Removal | Femoral Head Removal |
Handling and Use Considerations
Select the punch configuration according to the desired surgical approach and direction of access. Position the working end appropriately at the femoral head and stem connection before applying controlled striking force.
The Delrin pad is intended to help protect the femoral stem trunnion from scratching and must not be used for impaction.
Before use, inspect the punch, working end, Delrin pad, and overall instrument for visible damage or defects. Follow the healthcare facility's established procedures for cleaning, inspection, sterilization, maintenance, and storage.
FAQs
What are Anterior Femoral Punches used for?
They are designed to assist with femoral head removal and help break the taper connection between the femoral head and femoral stem.
How many configurations are available?
Three configurations are available:
- Angled Up
- Left
- Right
What are the angles?
All three configurations have a 40° angle, with the direction being Up, Left, or Right.
What is the overall length of the Angled Up version?
The Angled Up version measures 8.75" (22.2 cm) overall.
What are the overall lengths of the Left and Right versions?
Both the Left and Right versions measure 9" (22.9 cm) overall.
What is the purpose of the Delrin pad?
The Delrin pad is designed to help prevent scratching of the femoral stem trunnion.
Can the Delrin pad be used for impaction?
No. The Delrin pad should not be used for impaction.
Why are the punches angled?
The angled design is intended to provide a better striking direction and help improve striking force when breaking the taper between the femoral head and stem.