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Talonavicular Joint Fusion Plate

This plate is applied to fusion surgery for chronic traumatic deformity correction,rheumatoid arthritis and ankle instability.
  • Ankle product

  • WASTON

  • 70811

  • 5

  • Ti

  • 70811

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1.Talonavicular Joint Fusion Plate Specifications

Product Code Specification
70811-005 L5
70811-105 R5

2.Talonavicular Joint Fusion Plate Features


A talonavicular joint fusion plate is an orthopedic implant used in surgical procedures to fuse the talonavicular joint, which is located in the midfoot and plays a crucial role in foot stability and motion. This type of plate is specifically designed to provide stability and promote bone fusion across the joint. Here are the key features of a talonavicular joint fusion plate:

1. Anatomic Design

  • The plate is contoured to match the anatomical shape of the talonavicular joint, ensuring a precise fit and reducing the need for intraoperative adjustments.

2. Low-Profile Design

  • It features a low-profile design to minimize soft tissue irritation and reduce the risk of hardware prominence, which can cause discomfort post-surgery.

3. Multiple Fixation Points

  • The plate has multiple screw holes to allow for secure fixation of the talus and navicular bones, ensuring stability and promoting successful fusion of the joint.

4. Locking and Non-Locking Screw Options

  • It accommodates both locking and non-locking screws, providing flexibility in fixation and enabling surgeons to tailor the fixation method to the patient's specific needs.

5. Rigid Stabilization

  • The plate is designed to provide rigid stabilization of the talonavicular joint, which is critical for achieving successful fusion and maintaining the desired alignment of the foot.

6. Material

  • Typically made from high-strength, biocompatible materials such as titanium or stainless steel, which offer durability, corrosion resistance, and compatibility with the body.

7. Radiolucent Option

  • Some plates are made from radiolucent materials like PEEK (polyether ether ketone) or carbon fiber, which allow for clear post-operative imaging without interference from the plate.

8. Guided Fusion

  • The plate may include features such as slotted holes or specialized contours that guide the alignment of the bones during the fusion process, ensuring optimal positioning.

9. Variable-Angle Screw Placement

  • Some plates allow for variable-angle screw placement, giving the surgeon the ability to adjust the screw trajectory for optimal fixation, especially in challenging anatomical conditions.

10. Compression Features

  • The plate may include compression slots or mechanisms that allow for controlled compression across the joint, enhancing the likelihood of successful bone fusion.

11. Compatibility with Grafting

  • The design may accommodate the use of bone grafts, which can be placed around the plate to promote bone healing and fusion.

These features make the talonavicular joint fusion plate an effective tool in achieving stable and successful fusion of the joint, thereby alleviating pain and improving function in patients with severe arthritis, deformities, or other conditions affecting the talonavicular joint.


3.Talonavicular Joint Fusion Plate Indications


A talonavicular joint fusion plate is indicated for various conditions affecting the talonavicular joint, which is a key joint in the midfoot that plays an important role in foot stability, mobility, and weight-bearing. The primary goal of using this plate is to achieve stable fusion of the joint, alleviating pain and correcting deformities. Here are the main indications for using a talonavicular joint fusion plate:

1. Severe Arthritis

  • Post-Traumatic Arthritis: Arthritis that develops after an injury to the talonavicular joint, leading to pain, stiffness, and loss of function.

  • Primary Osteoarthritis: Age-related degeneration of the talonavicular joint causing chronic pain and deformity.

  • Inflammatory Arthritis: Conditions such as rheumatoid arthritis that cause severe inflammation and destruction of the talonavicular joint.


2. Talonavicular Joint Instability

  • Chronic Instability: When the joint is unstable due to ligament injuries or degeneration, leading to recurrent sprains or midfoot pain.

  • Ligamentous Laxity: Conditions that result in loose or weakened ligaments around the joint, causing instability and deformity.


3. Foot Deformities

  • Flatfoot (Pes Planus): Advanced cases of flatfoot where the talonavicular joint is significantly deformed and contributes to abnormal foot alignment.

  • Posterior Tibial Tendon Dysfunction (PTTD): A condition where the posterior tibial tendon fails, leading to collapse of the arch and deformity of the talonavicular joint.


4. Trauma

  • Fractures Involving the Talonavicular Joint: Complex fractures or fracture-dislocations of the talonavicular joint that cannot be managed with other surgical techniques.

  • Non-Union or Malunion: When previous fractures of the talonavicular joint fail to heal properly or heal in a malaligned position, leading to pain and dysfunction.


5. Charcot Neuroarthropathy

  • Midfoot Collapse: In patients with Charcot neuroarthropathy, the talonavicular joint may collapse and require fusion to stabilize the foot and prevent further deformity.


6. Congenital or Developmental Foot Deformities

  • Tarsal Coalition: A condition where two or more bones in the foot are abnormally connected, causing pain and limited motion, sometimes requiring fusion of the talonavicular joint.

  • Other Congenital Deformities: Severe congenital or developmental deformities affecting the talonavicular joint that require surgical correction and fusion.


7. Failed Previous Surgeries

  • Failed Joint Fusions or Osteotomies: When prior surgeries intended to correct or fuse the talonavicular joint do not achieve the desired outcome, leading to persistent pain or deformity.


8. Painful Flatfoot Deformity

  • Stage III Posterior Tibial Tendon Dysfunction: Where the deformity has progressed to involve significant arthritic changes at the talonavicular joint, necessitating fusion.


9. Tumors

  • Bone Tumors: Resection of bone tumors in the talonavicular region may require joint fusion to restore stability and function.


10. Severe Midfoot Collapse

  • Midfoot Collapse Due to Neuromuscular Diseases: Conditions like Charcot-Marie-Tooth disease or other neuromuscular disorders that lead to progressive midfoot collapse and require fusion for stabilization.

The decision to use a talonavicular joint fusion plate depends on the specific condition, severity of symptoms, and the patient’s overall health and activity level. The goal of the surgery is to relieve pain, correct deformity, and restore function.


4.Talonavicular Joint Fusion Plate Download


locking copmression plate brochure.pdf


5.Talonavicular Joint Fusion Plate Video



6.Waston Factory Show


WPS拼图123



7.Talonavicular Joint Fusion Plate FAQ

1. What is a talonavicular joint fusion plate?

A talonavicular joint fusion plate is an orthopedic implant designed to stabilize and fuse the talonavicular joint, a crucial joint in the midfoot. The plate is used to hold the talus and navicular bones in place during the healing process, ensuring proper alignment and promoting bone fusion.


2. When is a talonavicular joint fusion plate typically used?

This plate is used in cases of severe arthritis, foot deformities like flatfoot or high arches, post-traumatic joint instability, Charcot neuroarthropathy, and when previous surgeries have failed. It may also be used for congenital deformities or to stabilize the joint after trauma or in cases of severe midfoot collapse.


3. What are the benefits of using a talonavicular joint fusion plate?

The plate provides rigid stabilization, which is crucial for successful joint fusion. It helps to relieve pain, correct deformities, and improve foot function by maintaining proper alignment during the healing process.


4. What materials are talonavicular joint fusion plates made of?

These plates are typically made from durable, biocompatible materials such as titanium or stainless steel. Some plates are also made from radiolucent materials like PEEK (polyether ether ketone) or carbon fiber, which do not interfere with imaging studies.


5. What are the risks associated with talonavicular joint fusion surgery?

Potential risks include infection, non-union (failure of the bones to fuse), hardware irritation, and complications related to anesthesia. There may also be a reduction in foot flexibility due to the fusion of the joint.


6. How is the plate attached during surgery?

The plate is secured to the talus and navicular bones using screws. These screws can be either locking or non-locking, depending on the specific needs of the patient and the surgeon's preference. The plate's design may also allow for variable-angle screw placement and controlled compression of the joint.


7. How long does recovery take after talonavicular joint fusion?

Recovery can vary depending on the individual, but typically it takes several months. Patients often need to avoid weight-bearing on the affected foot for 6-8 weeks, followed by gradual reintroduction of weight-bearing activities. Full recovery may take 6-12 months.


8. Will the plate need to be removed after the bones have fused?

In most cases, the plate is left in place permanently. However, if it causes irritation or other issues, it may be removed in a later procedure after the bones have fully fused.


9. Can the plate be seen or felt through the skin?

Due to the low-profile design of the plate, it is usually not visible or palpable through the skin. However, in some cases, particularly in very thin patients, the hardware may be slightly noticeable.


10. How do I know if I am a candidate for talonavicular joint fusion?

Your orthopedic surgeon will evaluate your condition, including the severity of your symptoms, the extent of joint damage, and your overall health, to determine if talonavicular joint fusion is appropriate for you. Imaging studies such as X-rays or MRIs will typically be used to assess the condition of the joint.


11. Will I lose mobility in my foot after the fusion?

Fusing the talonavicular joint will reduce or eliminate movement in that specific joint. However, the surgery is typically performed to relieve pain and correct deformities that are already limiting mobility. The goal is to improve overall foot function, even if some joint mobility is lost.


12. What are the alternatives to talonavicular joint fusion?

Alternatives may include conservative treatments such as physical therapy, orthotics, or injections. In some cases, other surgical options like joint sparing procedures or less invasive surgeries might be considered, depending on the specific condition and its severity.


13. How does the fusion affect my gait or walking ability?

While the fusion limits motion in the talonavicular joint, it can stabilize the foot and reduce pain, potentially improving your walking ability. However, changes in gait may occur, and physical therapy is often recommended post-surgery to help adjust to these changes.


14. Can I return to normal activities after surgery?

Most patients can return to normal daily activities after full recovery, although high-impact activities may be limited depending on the extent of the surgery and the patient's overall health. Your surgeon will provide specific recommendations based on your situation.


15. Is talonavicular joint fusion a permanent solution?

Yes, the goal of the fusion is to permanently stabilize the joint, reducing pain and improving function. Once the bones are successfully fused, the joint will no longer move, providing long-term relief from the symptoms that led to the surgery.



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