Until now, the standard for treating hammertoes was with k-wires due to its less expensive cost and ease of use. However, there are many downfalls for the patient to have their hammertoe corrected with a k-wire, such as increased risk of infection, bumping the k-wires during daily activities resulting in additional pain and discomfort, failure or loosening, and anxiety with removal.
The Arthrosurface ToeMATE™ System is a strong, easy to install intramedullary bone screw implant with proven taper lock fixation intended for the correction of hammertoe deformity. The taper lock pin provides a press fit connection between the two screws with light contact pressure. The implant components are manufactured using implant grade titanium alloy and cobalt-chrome alloy. The system also includes sterile implants & instrumentation that provide stability and accurate device placement.
Resect articular surfaces of the proximal interphalangeal joint (PIPJ) i.e. proximal phalanx head and middle phalanx base, perpendicular to longitudinal axis of those bones. Create pilot hole in the proximal phalanx by driving the cannulated Trephine in the central canal, at 90° to the resected bone surface. Depth of insertion is indicated by the laser mark. Insert Proximal Screw (Purple) using the Screw Driver provided.Deliver the Transfer Guide Pin to the Proximal Screw making sure to insert the blunt end of the pin into the screw. Distract the middle phalanx and place it over the Transfer Guide Pin in the desired orientation (this step will determine the implant placement and toe alignment). Distract the middle phalanx distally and plantarflex it. The Transfer Guide Pin should now be seated in the middle phalanx. Drive the cannulated Trephine over the Transfer Guide Pin to create a pilot hole in the middle phalanx. Insert Distal Screw (Gold) in middle phalanx until its drive end is flush with the resected bone surface. Deliver the Taper Lock Pin into the proximal screw using the Taper Delivery Tool. Lightly tap the tool using a mallet to secure it within the screw. Grasp the middle phalanx and place the Distal Screw over the exposed half of the Taper Lock Pin on the Proximal Screw. Use firm pressure to press the middle phalanx onto the proximal phalanx once desired bone to bone apposition is achieved. Place Thimble over the toe and lightly tap it using a mallet to secure the Taper Lock Pin within the screws. Physically probe the PIPJ to check for stability and screw interface retention following final implant delivery. Verification via intra-operative fluoroscopy is recommended.
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- Hammertoe Pain and discomfort can be relieved with the ToeMATE Hammertoe Surgery System
- The most common cause of hammertoe is a muscle/tendon imbalance.
- Hammertoe can occur if a toe is too long and is forced into a cramped position (ex. when a tight shoe is worn)
- Hammertoe deformities never heal without some kind of intervention
- The most common deformity of the lesser toes is a Hammertoe deformity
- Allows your patients to Stay Active.