Knuckle Bender Splint, Indications, Contraindications

Knuckle Bender Splint
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Knuckle Bender Splint is a finger flexion splint designed for use by individuals with disabilities of the fingers. Splint flexes the finger joints (all digits) without blocking IP or wrist motion. The strength of the rubber band determines traction force. This splint simultaneously flexes the metacarpal phalangeal (MCP) joints of all digits without blocking interphalangeal (IP) or wrist motion. Constructed of stainless steel with felt pads, the splint uses the strength of the rubber bands to determine traction force.

Size –  Extra small, small, medium, large, and extra large.

Knuckle Bender Splint
Cockup Splint for Wrist Drop. (Radial Nerve) Ankle Foot Orthosis for Foot Drop. (Common Peroneal Nerve)

Indications of Knuckle Bender Splint

  • A wrist splint decreases recovery time by immobilizing, stabilizing, and protecting a healing injury.
  • Boxer’s Fracture
  • Radial nerve palsy at the wrist level
  • Median nerve palsy at the wrist level
  • Ulnar nerve palsy
  • Other pathological conditions of the fingers
  • Wrist Sprain
  • Wrist Strain
  • Soft Tissue Injury
  • Distal Radial Fracture
  • Distal Ulnar Fracture
  • Wrist Contracture Yaya
  • General Wrist Pain
  • Scaphoid Fracture
  • Lunate Fracture
  • Carpal Tunnel Syndrome
  • First Metacarpal Fracture
  • Injury to the Ulnar Collateral Ligament of the Thumb
  • De Quervain’s Tenosynovitis
  • Hamate Fracture
  • Sprained or strained wrist
  • Wrist tendonitis
  • Carpal Tunnel Syndrome
  • Post-cast removal
  • Broken wrists (depending on the type and degree)
  • The sprained wrist brace can be easily put on, adjusted, and removed thanks to a lace-up closure system.
  • Graduated extension from the spastic clenched fingers and wrist
  • Corrects and controls radial or ulnar deviation
  • Controls wrist drop
  • Helps restrict arthritic changes and deformity associated with neuromuscular impairment
  • Positions the flaccid hand and wrist
  • Maintains skin integrity by absorbing moisture, allowing air flow and preventing skin maceration on palmer surface
  • Allows for increased hygiene care by permitting nail care and cleaning of palmer surface

Contra-Indications of Knuckle Bender Splint

  • The patient has circulatory problems
  • Pressure areas or skin irritations appear
  • The patient has persistent pain within the wrist, fingers, and hand
  • A patient has grown edema, redness or blisters
  • The splint can be adjusted and re-adjustable to the individual patient without using heat or tools
  • The splint could be graduated up to increase finger and wrist extension
  • The splint is lightweight and sturdy
  • The splint comes with one or two covers that may be laundered
  • The splint cover consists of durable terrycloth that absorbs moisture and prevents skin maceration
  • The splint cover has soft foam that covers the entire frame of the splint to ensure that any edges that touch the individual are padded to avoid pressure areas on the patient’s body
  • The splint straps are foam lined for comfort and also to prevent pressure areas
  • The splint straps close with velcro – but no velcro touches the patient’s skin
  • The splint is soft with rounded padded edges to reduce self-injury

Instructions of Knuckle Bender Splint

  • Knuckle Bender Splint
  • Applying splint with rubber bands attached only to hook on first segment (no force to flex M.P. joints) will facilitate proper positioning of splint on hand.
  • With first segment facing forward slide a hand into a splint. Position palmar bar in the arch of palm.
  • Attach a rubber band to hook on hand section.
  • The splint is designed to dynamically flex M.P. joints while allowing the active extension. Evaluate fit, function and instruct patient on use. Rubber bands can be added or subtracted and the wires and bands can be carefully bent to modify the fit and function of the splint.
  • Clean with mild soap and damp towel. Air dry completely
    before reapplying.
  • Immediately contact your health care professional if you are experiencing loss of sensation, swelling, skin irritations or have any questions or concerns.


Potential Risks & Precautions

  • Check your skin every day for redness, blisters, discoloration, soreness, or swelling.  Call your doctors and discontinue use of your orthosis immediately if you notice any of these symptoms.

Never attempt to adjust, repair, or otherwise modify your orthosis

  • The components of this device have been carefully chosen, assembled, adjusted, and secured according to your physician’s prescription and the manufacturers’ specifications.  In order to maintain the safety and effectiveness of your device, adjustments may only be made by a qualified medical professional.


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