# AK-AC-II-TP Acetabular Cup

> Two-piece component design assembled during surgery. InnerChange locking mechanism provides secure interface between polyethylene insert and shell.

- URL: https://www.ak-medical-global.com/products/acetabular-cup-system/ak-ac-ii-tp-acetabular-cup
- Manufacturer: AK Medical Holdings Limited (HKEX: 01789.HK)
- Product family: Acetabular Cup System > Cup
- Regulatory clearances: NMPA (China, formerly CFDA); CE Mark (European Union)
- Keywords: THA, Hip Primary
- Surgical technique videos: https://www.youtube.com/watch?v=76rmFTHBqOo, https://www.youtube.com/watch?v=RWAcdzJUW5s

## Description

The AK-AC-II-TP Acetabular Cup is a two-piece component designed to be assembled during surgery. The shells utilize an interchangeable locking mechanism. High porous coating supports better biologic ingrowth, while the liner ring serration design provides stable fixation between the shell and liner.

## Materials & Surface

| Property | Specification |
|---|---|
| Material | Titanium Alloy |
| Surface | Titanium Plasma Spray Porous Coating (from UK) |
| Matched Liner | AK-L-II Liner UHMWPE / AK-L-II Liner HXLPE / AK-C-Liner Ceramic |

## Features

- Two-piece component design assembled intraoperatively
- Interchangeable locking mechanism between shells
- High porous coating for enhanced biologic ingrowth
- Liner ring serration design for stable fixation
- Compatible with UHMWPE, HXLPE, and ceramic liner options

## Size Chart

| O.D. (mm) | Head Diameter (mm) |
|---|---|
| 38 | 22 |
| 40 | 22 |
| 42 | 22 |
| 44 | 22 |
| 46 | 28 |
| 48 | 28 |
| 50 | 32 |
| 52 | 32 |
| 54 | 32 |
| 56 | 32 |
| 58 | 32 |
| 60 | 32 |
| 62 | 32 |
| 64 | 32 |