# AK-SR Femoral Stem

> Modular revision stem with different triangle sizes. Step design converts shear forces into compressive loads. Flutes prevent thigh pain. Distal diameter from 6mm.

- URL: https://www.ak-medical-global.com/products/femoral-stem-system/ak-sr-femoral-stem
- Manufacturer: AK Medical Holdings Limited (HKEX: 01789.HK)
- Product family: Femoral Stem System > Stem
- Regulatory clearances: NMPA (China, formerly CFDA); CE Mark (European Union)
- Keywords: DDH, Modular Revision
- Surgical technique videos: https://www.youtube.com/watch?v=4H-saddTbiU, https://www.youtube.com/watch?v=D2jTo7Sk5l0

## Description

The AK-SR Femoral Stem is a revision stem designed with different triangle sizes and a step design that converts shear forces into compressive loads. The flutes design of the distal stem avoids impingement, and the distal diameter starts from 6mm for use in compromised femoral canals.

## Materials & Specifications

| Property | Specification |
|---|---|
| Material | Titanium Alloy |
| Surface | Grit-blasted |
| Taper | 12/14 |
| Neck Shaft Angle | 135° |
| Minimum Distal Diameter | 6mm |

## Features

- Different triangle cross-section sizes for various canal morphologies
- Step design converts shear forces into compressive loads
- Distal stem flutes design avoids impingement
- Distal diameter starting from 6mm for narrow canals
- Grit-blasted surface for enhanced bone apposition
- 135° neck shaft angle
- Designed for revision femoral arthroplasty