Orthopaedic implant used to replace the MCP joint.

Digitalis Hand and Finger Joint Implants


  • Flexible elastomeric silicone material
  • Anti-rotational design
  • Dorsal T hinge for preventing hyper-extension

Arthritis Recovery

The Digitalis MCP system is designed for arthroplasty of the metacarpophalangeal joint. It contains a silicone body device which is implanted through a surgical procedure to replace the joint. When implanted, the Digitalis MCP restores natural flexion and extension movement to the affected finger. It ensures MCP joint mobility of between 0-90° and a pre-flexion angle of 30° to respect normal finger positioning and avoid material overload.

The metacarpophalangeal joint is essential to allowing fingers to move in multiple directions. This includes bending, straightening, spreading apart, and moving together. As such, disruption to the MCP joint can directly impact patient quality of life as it prevents efficient gripping and pinching.

System Contents

  • Digitalis MCP Reamer
  • Digitalis MCP Rasp
  • Range of Digitalis MCP Spacers (5 sizes)
  • Range of Silicone Digitalis Trials (5 sizes)
  • K Wires (80mm, 120mm, 200mm lengths)
  • Digitalis Handle
  • Set of Digitalis Instrumentation

Interested in the Digitalis Hand and Finger Joint Implants?

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    BRM Extremities is a company dedicated to the design and production of orthopaedic devices for use in the extremities, both upper and lower. They combine modern technologies with extensive medical knowledge to support public and private healthcare professionals. The mission of BRM Extremities is to create a catalogue of quality medical devices that can respond to the increasing demands of the orthopaedic sector. The company is certified to ISO 13485: 2016 and ISO 9001: 2015 standards, and is aware of relevant device regulations in the FDA, CE and ANVISA fields.

    Frequently Asked Questions

    Digitalis should be used for the treatment of severe arthritis in the hand. This includes rheumatoid arthritis, arthrosis, destroyed joint surfaces, ankylosed joints and joints with a limited range of motion. The system can also be used to treat joints that are non-functional due to bone misalignment.

    The main contraindications that surgeons must be aware of are:

    • Inadequate musculo-tendon and skin mass.
    • Inadequate bone stock.
    • Patient has an in-progress infection or active sepsis.
    • Significant stage bone demineralisation.
    • Inadequate neuro-vascular system.
    • Child patients.

    Arthritis is a bone disease that affects joints. There can be many causes of arthritis, such as from inflammation or autoimmune diseases. However, oftentimes arthritis occurs over time due to natural bodily wear and tear. MCP joint arthritis commonly occurs in the knuckles of the thumb and forefinger due to stress caused by frequent pinching motions. Injuries that result in a broken or cracked bone can also lead to MCP joint arthritis.

    Hand bones are known as metacarpals and finger bones are called phalanges. The name metacarpophalangeal is assigned to the knuckles because they connect the fingers to the hand.

    Those suffering from MCP joint arthritis may experience hand pain, loss of finger motion, localised swelling, and a weak grip. These symptoms may be exacerbated by certain motions such as opening a jar or turning a key in a lock. Over extended periods, fingers may shift towards the pinkie.

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