DonJoy Humeral Stabilizing System (HSS)

The DonJoy Humeral Stabilizing System (HSS) is a high-performance clinical orthosis engineered for the immobilization of stable midshaft humeral fractures, supracondylar fractures, and biceps/triceps repairs. By utilizing a lightweight, three-point stabilization frame, this system creates a Zero-Friction environment that facilitates bone healing through axial traction and circumferential compression. Unlike traditional casting, the HSS features full-circumference shells and padding that can be broken down into an upper arm cuff only, allowing for a phased transition during recovery. This "functional bracing" approach permits controlled joint movement to prevent stiffness while ensuring the mechanical alignment of the humerus remains secure throughout the healing process.

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Clinical Features & Patient Benefits

• Axial Traction System: Provides a "Zero-Friction" 900g (2 lb) weight for axial traction, maintaining the natural length and alignment of the humeral shaft during the fracture healing process.
• Three-Point Stabilization: Engineered to provide a "Zero-Friction" mechanical counter-force that protects the fracture site from displacement while allowing for essential patient mobility.
• Breakdown Cuff Capability: Features a modular design that can be converted to an "upper arm cuff only," facilitating a "Zero-Friction" step-down protocol as the fracture stabilizes.
• Universal Sizing Design: Specifically engineered with a "Zero-Friction" adjustable shell and padding system to fit most adult patients, reducing the need for complex size measurements.

The Clinical Authority: Why Professionals Trust the DonJoy HSS

Orthopedic specialists and Trauma Surgeons specify the DonJoy HSS as a time-efficient and low-cost alternative to serial casting. Its "Zero-Friction" environment is the gold standard for managing stable humeral fractures where axial traction is required to prevent malunion. By providing full-circumference protection combined with a lightweight profile, the HSS minimizes the muscle atrophy and joint contracture commonly associated with immobilization. This targeted approach is highly effective for maintaining fracture reduction while allowing the patient to maintain a higher level of hygiene and comfort compared to traditional plaster or fiberglass casts.

FAQ: Stabilization & Sizing

How does "Universal" sizing work for my arm?
The "Zero-Friction" HSS is designed with an adjustable shell and padding system that accommodates a wide range of arm circumferences. This allows the brace to be tightened or loosened as post-traumatic swelling decreases.

Can this brace be worn on either arm?
No. While the sizing is universal, the brace is anatomically contoured for either the Left or Right arm. Ensure you select the correct orientation (Part #11-0112 for Right, #11-0113 for Left).

Is it heavy to wear?
The brace weighs approximately 2 lbs (900g). This weight is intentional and provides the "Zero-Friction" axial traction needed to keep the humerus aligned properly.

Specifications & Sizing Table

The DonJoy HSS features a "Universal" fit designed to accommodate most adult arm sizes. Sizing is primarily determined by arm orientation: