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INVISION Total Ankle Revision System

Dr. David Beck, Orthopaedic Surgeon, Foot & Ankle Specialist, Conway, Myrtle Beach, Socastee Services Foot & Ankle Foot & Ankle Procedures INVISION Total Ankle Revision System

What is INVISION™ Total Ankle Revision System?

INVISION™ Total Ankle Revision System is a state-of-the-art revision ankle arthroplasty (replacement) system that involves replacing your previous failed ankle prosthesis with high-quality prosthetic components of INVISION™ Total Ankle Revision System.

The INVISION™ Total Ankle Revision System components are manufactured from superior titanium alloy metal and comprise of tibial trays, highly polished talar domes, and ultra-high molecular weight polyethylene inserts (UHMWPE). All prosthetic components are available in several varying sizes to best match the ankle anatomy of the patient.

The INVISION™ Total Ankle Revision System is developed by Wright Medical Group, a leading global medical device firm focused on extremities and biologics, and is utilized either independently or together with INBONE™ or INFINITY™ components, which are also part of Wright Medical Group Total Ankle System catalog. The INVISION™ system adds a new degree of modularity to total ankle arthroplasty opening new opportunities for more complex ankle pathology.

Some of the key features of INVISION™ Total Ankle Revision System includes:

  • Talar plate with two thickness options that aid in joint height restoration
  • Modular tibial stems designed for vigorous stability and fixation
  • Enhanced tibial tray lengths that enable optimum cortical coverage
  • Varying degree of component thicknesses to address tibial defects 
  • Optimized for high accuracy and efficiency
  • Designed for optimal longevity
  • Less invasive for surrounding joints
  • Reduced overall bone loss
  • Components designed for full fluoroscopic visualization
  • Compatible with PROPHECY™ Pre-Operative Navigation Alignment technology which allows for precise sizing, alignment, and placement of ankle components during surgery

Anatomy of the Ankle Joint

The ankle joint connects the leg to the foot and comprises three bones: the tibia, fibula, and talus. The tibia (shinbone) and fibula (calf bone) are the bones of the lower leg that articulate with the talus (ankle bone), enabling up-and-down movement of the foot. The joint surfaces of all these bones are lined by a thin, tough, flexible, and slippery surface called articular cartilage, which acts as a shock absorber to cushion and reduce friction between the bones.

Arthritis is the inflammation of a joint as a result of degeneration of the smooth cartilage that lines the ends of the bones within. This degeneration of cartilage causes painful rubbing of the bones, leading to swelling, joint stiffness, and restricted movement.

Indications for INVISION™ Total Ankle Revision System

INVISION™ total ankle revision system is indicated for individuals with damaged ankle joints as a result of arthritis such as primary osteoarthritis, post-traumatic osteoarthritis, rheumatoid arthritis, or failed previous ankle replacement surgery.

Preparation for INVISION™ Total Ankle Revision System

Preoperative preparation involved in the INVISION™ total ankle revision system includes:

  • A thorough examination is performed by your doctor to check for any medical issues that need to be addressed prior to surgery.
  • Depending on your medical history, social history, and age, you may need to undergo tests such as blood work and imaging to help detect any abnormalities that could compromise the safety of the procedure.
  • You will be asked if you have allergies to medications, anesthesia, or latex.
  • You should inform your doctor of any medications, vitamins, or supplements you are taking.
  • You may be asked to refrain from supplements or medications such as blood-thinners or anti-inflammatories for a week or two prior to surgery.
  • You should refrain from alcohol or tobacco at least a few days prior to surgery.
  • You should not consume any solids or liquids at least 8 hours prior to surgery.
  • Arrange for someone to drive you home after surgery, as you may be groggy.
  • A written consent will be obtained from you after the surgical procedure has been explained in detail.

Procedure for INVISION™ Total Ankle Revision System

The INVISION™ total ankle revision arthroplasty is usually performed under regional or general anesthesia and may involve the following steps:

  • A surgical incision is made on the skin over the ankle joint.
  • The underlying soft tissues are separated using a retractor.
  • Important nerves and tendons are identified and protected.
  • Defective old components of the ankle prosthesis are removed.
  • In some cases, damaged sections of the ankle bone are removed and a bone graft may be used to make up for the lost bone.
  • The INVISION™ total ankle revision joint components are then fitted in place.
  • The revision joint components are checked to ensure a full range of motion and stability.
  • A drain tube may be inserted into the joint during surgery to drain blood from the incision, which is removed within 1 to 2 days after the surgery.
  • The incision over the treatment area is closed in layers with sutures.  
  • Finally, the ankle is immobilized with the help of splints and a bulky dressing.

Postoperative Care and Recovery

In general, postoperative care instructions and recovery after INVISION™ total ankle revision system will involve the following steps:

  • You will be transferred to the recovery area where your nurse will closely observe you for any allergic/anesthetic reactions and monitor your vital signs as you recover.
  • You may notice some pain, swelling, and discomfort in the foot area. Pain and anti-inflammatory medications are provided as needed.
  • Antibiotics are also prescribed to address the risk of surgery-related infection.
  • Do not weight-bear on the operated leg. A walking boot or a non-weight-bearing cast is recommended for few weeks to facilitate healing and support the foot.
  • Assistive devices such as crutches and walkers are recommended to maintain balance and stability while walking for several weeks.
  • Keep the foot elevated at or above the level of your heart for a specified period to help minimize swelling and discomfort.
  • Start rehabilitation (physical therapy) as recommended by your surgeon to improve range of motion. You should begin exercises to stretch and strengthen the foot muscles.
  • Eating a healthy diet and refraining from smoking helps to promote faster healing.
  • Keep the surgical site clean and dry. Instructions on surgical site care and bathing will be provided.
  • Refrain from strenuous activities and lifting heavy weights for at least 6 months. Gradual increase in activities over a period of time is recommended.
  • A periodic follow-up appointment will be scheduled to monitor your progress.

Risks and Complications

INVISION™ total ankle revision system is a relatively safe procedure; however, as with any surgery, some risks and complications may occur, such as the following:  

  • Infection
  • Bleeding
  • Failure to relieve pain
  • Damage to nerves and vessels
  • Thromboembolism or blood clots
  • Anesthetic/allergic reactions
  • Stiffness
  • Delayed healing or failure to heal

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