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A system for better movement

ISOFORM™ TECHNOLOGY

Empowering prosthetists with dynamic fit technology

ISOFORM™

Vessl’s Adaptive Volume Management System

The Vessl Isoform™ Adaptive Volume Management System empowers patients to have a prosthetic socket that automatically contours to the limb, providing comfort with every step. Engineered to adapt seamlessly to natural fluctuations in limb volume, Isoform™ ensures a stable and consistent interface pressure throughout the day. By actively managing volume changes, it enhances fit, reduces discomfort, and provides a reliable, worry-free prosthetic experience.

The Isoform™ features a vertical shock absorber designed to efficiently dissipate impact with each step, significantly reducing strain and enhancing overall comfort. Utilizing the kinetic energy absorbed from walking, Isoform™ powers its automatic volume adjustment mechanism, ensuring a precise fit. Designed for both function and aesthetics, it seamlessly integrates with the distal end of a paneled socket, providing a sleek, low-profile solution. By eliminating the bulky protrusions typically associated with adjustable sockets, Isoform™ delivers a streamlined, natural look while optimizing comfort and performance.

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Vessl Isoform Product

Product Features

Volumetric Auto-Adjusting

Automatically adjusts to accommodate limb volume fluctuations. Allows the user to focus on life rather than adjusting their socket.

Consistent Interface Pressure

The user and prosthetist work together to set the ideal socket tension setting, from that point on the Isoform™ maintains stable pressure on the limb regardless of volume changes.

Vertical Shock Absorber

With up to 8mm of vertical shock absorption, the Isoform™ reduces the impact of ground reaction forces during initial heel contact. The reduced forces on the residual limb and joints provide a more comfort throughout the day.

 Kinetically Powered

With each step taken, the shock absorber is compressed, and the kinetic energy drives the mechanical volume adjustment system.

 Seamless Socket Integration

The Isoform™ attaches to the distal end of any socket.  The low profile and anatomic shape allow for all the Isoform’s™ performance without bulky protrusions.

Stevie wearing Isoform

An innovative solution, designed for comfort

With auto-adjusting and shock-absorbing features, the Isoform™ Adaptive Volume Management System is setting a new standard in prosthetic technology.

Personalized Comfort

Provides a stable, comfortable fit throughout the day.

Effortless Management

Ensures consistent support and pressure management.

Improved Mobility

Reduces strain and enhances overall comfort for daily activities.

User Friendly

Offers a hassle-free experience with the option for manual adjustments as needed.

Frequently asked questions

What are the suggested L-Codes for the Isoform™?

The recommended L-codes are L5783 and L5988.

Can the Shock absorber be adjusted?

There are 4 shock absorber dampening rings available to match the patient’s body weight and impact level.

What happens if a lace breaks?

Every Vessl product is designed to be as durable as possible, however if a lace does break, it can be replaced by the prosthetist.

What stops the Automatic volume adjustment system from overtightening?

There is a mechanical tension limiter that is adjustable by your prosthetist. This setting can be increased or decreased to provide a safe and comfortable fit.

Can I manually adjust the socket tension?

Yes, there is a manual adjustment dial on the side of the Isoform™ that allows the user to manually tighten the socket when donning or as needed. However, the Isoform™ will automatically tighten as needed when the vertical shock absorber is compressed while walking.

Does the Isoform™ need to be charged?

No, the Isoform™ is a completely mechanical system that functions without electronics. This allows for increased durability and longevity.

How does the Isoform™ attach to the socket?

The Isoform™ has two mounting options, a 4 hole attachment plate and a lamination plate. We recommend using the 4 hole plate when using a puck style pin lock that is held in place with 4 screws.

What is the distal attachment?

The distal end of the Isoform™ has a standard 4 hole bolt pattern for attaching any 4 hole component.

Learn More about Vessl Prosthetics

A comfortable socket shouldn’t be considered a luxury—it’s the foundation for a life without limits. Let’s make that happen.
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