Alpha Classic® AK Liner

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Alpha Classic AK Liners with the AK Profile accommodate the often sensitive areas of transfemoral residual limbs with a specific gel style and the incorporation of skin-friendly, mineral-oil-based classic Alpha Classic Gel. The liner, offered in cushion and locking, has 9 mm of gel distally, tapering to 3 mm proximally—with a built-in gel pad to protect the often-sensitive femur. This extra gel pad provides a total of 9 mm of gel at the distal lateral aspect of each liner.

The Alpha Spirit Fabric used for Alpha Classic AK Cushion Liners is unique in its ability to flex during donning or doffing. Alpha Classic AK Cushion Liners may be used with a Velcro®-like material for added security. Alpha Classic AK Liners are heat moldable, allowing prosthetists to easily stretch the liners.

Product Highlights:
  • Unique AK Gel Profile adds comfort for transfemoral amputees
  • Skin-friendly, mineral-oil based Alpha Classic Gel  contains Vitamin E
  • Available in Locking and Cushion styles
Style AK Profile
Interface Material Classic Gel
Colors Buff
Sizes AK Gel Profile: Medium Plus, Large, Large Plus, Extra Large
Trial Period 30 days from  seller’s invoice date
Warranty 12 months from seller’s invoice date
U.S. L-Code Suggestion L5679 Cushion Liner (bill once per liner)
L5673 Locking Liner (bill once per liner)

For locking liners, WillowWood strongly recommends applying Loc-Tite Removable Threadlocker 242 (or equivalent) to the pin threads prior to installing the pin. Failure to ensure that the locking pin is secure in the Locking Liner could result in the pin coming out of the liner, resulting in the potential for injury to the amputee.

LOCKING: Alpha Classic® AK Liner Part Numbers

AKL-2634-X Alpha Classic AK, Locking, MAX Fabric, Buff, AK Profile, Medium Plus
AKL-2636-X Alpha Classic AK, Locking, MAX Fabric, Buff, AK Profile, Large
AKL-2638-X Alpha Classic AK, Locking, MAX Fabric, Buff, AK Profile, Large Plus
AKL-2637-X Alpha Classic AK, Locking, MAX Fabric, Buff, AK Profile, Extra Large

CUSHION: Alpha Classic® AK Liner Part Numbers

AKC-2634-E Alpha Classic AK, Cushion, Spirit Fabric, Buff, AK Profile, Medium Plus
AKC-2636-E Alpha Classic AK, Cushion, Spirit Fabric, Buff, AK Profile, Large
AKC-2638-E Alpha Classic AK, Cushion, Spirit Fabric, Buff, AK Profile, Large Plus
AKC-2637-E Alpha Classic AK, Cushion, Spirit Fabric, Buff, AK Profile, Extra Large

For locking liners, WillowWood strongly recommends applying Loc-Tite Removable Threadlocker 242 (or equivalent) to the pin threads prior to installing the pin. Failure to ensure that the locking pin is secure in the Locking Liner could result in the pin coming out of the liner, resulting in the potential for injury to the amputee.

Important Information for Amputees 
Prosthetist Quick Reference Guide for Alpha Liners, Multi-Language
Alpha Liner Manual
Alpha Liner Manual, Spanish
Alpha Classic AK Liners Sizing Guide

Related products:
700-AIS482 Alpha Interlock Suspension System Lock Pin 1-1/2″
ALA-VM Alpha Volume Management Pads
ALA-CX-1 Alpha Gel Cups


Caring for Alpha® Liner Video
Review complete care of Alpha Liners: Putting on liners, daily cleaning, weekly disinfecting and storage.

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