ALPS UltraSeal Liner

PART # USHSL/USHSC/USLSL/USLSC

Experience the innovative UltraSeal silicone liner, carefully crafted to meet
the needs of both transtibial and transfemoral amputees at all activity levels.

With an integrated band available at two different heights, users will enjoy an airtight seal upon socket entry. Combined with OptiSil, it provides exceptional comfort and optimized suspension for maximum convenience in daily use.

Additionally, the UltraSeal offers a dual suspension system that seamlessly
harnesses the advantages of both locking suspension and Seal-In technology, delivering unmatched functionality.

Product Description


Features a single-sealing band to ensure a secure hold- available at two different heights.


OptiSil offers a smooth inner surface that conforms to the contours of the residual limb, cushioning it and reducing friction and irritation.

Premium fabric covering limits excessive stretch and pistoning.


Available for above-knee (AK) and below-knee (BK) amputees.


Key Benefits

Technical Details


MEASURED SIZE (CM) HIGH RING LOCKING 3.0MM UNIFORM HIGH RING CUSHION 3.0MM UNIFORM
20-21 cm USHSL20 USHSC20
22-23 cm USHSL22 USHSC22
24-25 cm USHSL24 USHSC24
26-27 cm USHSL26 USHSC26
28-29 cm USHSL28 USHSC28
30-31 cm USHSL30 USHSC30
32-34 cm USHSL32 USHSC32
35-37 cm USHSL35 USHSC35
38-40 cm USHSL38 USHSC38
41-43 cm USHSL41 USHSC41
44-47 cm USHSL44 USHSC44
MEASURED SIZE (CM) LOW RING LOCKING 3.0MM UNIFORM LOW RING CUSHION 3.0MM UNIFORM
20-21 cm USLSL20 USLSC20
22-23 cm USLSL22 USLSC20
24-25 cm USLSL24 USLSC24
26-27 cm USLSL26 USLSC26
28-29 cm USLSL28 USLSC28
30-31 cm USLSL30 USLSC30
32-34 cm USLSL32 USLSC32
35-37 cm USLSL35 USLSC35
38-40 cm USLSL38 USLSC38
41-43 cm USLSL41 USLSC41
44-47 cm USLSL44 USLSC44

Distal End Construction

The UltraSeal Liner's distal end assembly process is unique and complex, involving several elements that fuse together to create a highly durable internal structure. This structure results in a liner that is guaranteed to provide the protection, comfort, durability, performance, and fit that users deserve.

Associated Patents:
U.S. 11,602,445

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