Single-Arm Drive Attachment for K4 Wheelchair - One-Arm Drive Conversion Kit

Professional Single-Arm Drive Attachment for Enhanced Wheelchair Independence

Our single-arm drive attachment is a versatile, innovative wheelchair accessory specifically designed to enhance the functionality and independence of K4 Basic Wheelchair users who have limited use of one arm or prefer one-handed operation. This professional-grade conversion kit transforms a standard wheelchair into a one-arm-drive system, allowing users to effortlessly propel the chair in a straight line while operating only one wheel by hand—a breakthrough solution for individuals with hemiplegia, stroke recovery, upper limb amputation, or unilateral weakness.

Innovative One-Arm-Drive Technology

The unique one-arm-drive mechanism employs an ingenious linkage system that synchronizes both wheels when the user turns one wheel by hand. This synchronized drive technology allows the wheelchair to roll straight forward or backward with balanced wheel rotation, eliminating the frustrating circular motion that occurs when propelling a standard wheelchair with only one arm. The mechanical advantage provided by this system reduces the physical effort required for propulsion, conserving energy and reducing fatigue during extended use throughout the day.

Universal Right & Left-Hand Compatibility

Engineered for maximum versatility, this attachment is compatible with both right-hand and left-hand drive configurations, accommodating individual user preferences and specific medical needs. Whether the user has greater strength and dexterity in their right or left arm, the attachment can be configured accordingly, ensuring optimal control and comfort. This ambidextrous design also makes the attachment suitable for facilities that serve multiple users with varying needs, maximizing equipment utility and investment value.

Precise K4 Wheelchair Compatibility

Specifically designed for seamless integration with K4 Basic Wheelchair models in both 16-inch and 18-inch seat widths, this attachment ensures perfect fit, reliable performance, and structural integrity. The precision engineering guarantees that all mounting points, dimensions, and mechanical interfaces align correctly with K4 wheelchair frames, eliminating compatibility concerns and ensuring safe, dependable operation. This dedicated compatibility means straightforward installation without modifications, adapters, or custom fabrication.

Enhanced Control & Maneuverability Benefits

• Straight-Line Propulsion: Synchronized wheel drive enables straight forward and backward movement with one-arm operation
• Effortless Navigation: Reduced physical effort required for propulsion compared to standard one-arm wheelchair use
• Tight Space Maneuvering: Improved ability to navigate narrow hallways, doorways, and confined spaces with precision control
• Energy Conservation: Mechanical advantage reduces fatigue, allowing for longer periods of independent mobility
• Directional Stability: Eliminates the veering and circular motion common with single-arm standard wheelchair propulsion

Durable Steel Construction

Manufactured from high-quality steel materials, this attachment is built to withstand the daily demands of regular wheelchair use. The robust steel construction provides the strength and durability necessary to reliably transmit propulsion forces between wheels while maintaining precise mechanical alignment over thousands of use cycles. The corrosion-resistant finish ensures long-term performance even in humid environments or with exposure to cleaning solutions commonly used in healthcare facilities.

Ideal User Profiles & Medical Conditions

• Stroke Survivors: Individuals with hemiplegia or hemiparesis affecting one side of the body
• Upper Limb Amputation: Users with single-arm amputation requiring one-handed wheelchair operation
• Neurological Conditions: Patients with multiple sclerosis, cerebral palsy, or other conditions causing unilateral weakness
• Orthopedic Injuries: Temporary or permanent upper extremity injuries limiting two-arm function
• Arthritis Patients: Individuals with severe arthritis affecting one arm or shoulder
• Post-Surgical Recovery: Patients recovering from shoulder, arm, or hand surgery requiring temporary one-arm operation

Professional & Home Care Applications

This attachment serves essential mobility needs across diverse care settings including rehabilitation hospitals, stroke recovery centers, long-term care facilities, assisted living communities, and private homes. Physical therapists, occupational therapists, and rehabilitation specialists recommend one-arm drive systems as part of comprehensive mobility solutions for patients with unilateral upper extremity limitations, supporting independence and quality of life during recovery or long-term disability management.

Installation & Professional Setup

While designed for compatibility with K4 wheelchairs, professional installation by a qualified wheelchair technician or durable medical equipment specialist is recommended to ensure proper alignment, secure mounting, and optimal mechanical function. Proper installation ensures the attachment operates safely and effectively, providing reliable performance and preventing premature wear or mechanical issues that could compromise user safety.

Supporting Independence & Quality of Life

The ability to independently propel a wheelchair is fundamental to maintaining autonomy, dignity, and quality of life for individuals with mobility limitations. This single-arm drive attachment removes a significant barrier to independence for users with one-arm limitations, enabling them to navigate their environment, participate in activities, and maintain social connections without constant assistance—critical factors in psychological well-being and rehabilitation success.

Product Specifications

• Type: Single-arm drive wheelchair attachment
• Compatibility: K4 Basic Wheelchair (16" and 18" models)
• Drive Configuration: Right-hand or left-hand operation
• Material: Durable steel construction
• Function: Synchronized dual-wheel propulsion from single-arm input
• Installation: Professional installation recommended
• Applications: Hemiplegia, stroke recovery, amputation, unilateral weakness
• Settings: Rehabilitation facilities, long-term care, home use

Invest in a professional-grade single-arm drive attachment that restores independent mobility, enhances maneuverability, and supports quality of life for wheelchair users with one-arm limitations—delivering the freedom and dignity that comes with self-directed movement.