Ct Scan Orbital Floor Plate

3d orbital floor inlay designed to hold small and large left and right 3d orbital floor plates sits beneath standard inlay within the small.

Ct scan orbital floor plate.

Concomitant medial orbital wall fracture can increase risk of progressive enophthalmos. A coronal ct scan of a left maxillary mucocele eroding through the orbital floor and medial antral wall. Orbital floor fracture repair might be indicated in this setting for small or medium sized defects. Silicone implants are 440 hu whereas in one study pmma implants were 135 hu 24.

The matrixmidface preformed orbital plates are designed from ct scan data. Epidemiology the blowout fracture is t. Functional endoscopic sinus surgery was performed to drain the maxillary mucocele and 50 ml of thick yellow mucus was expressed which was sent to pathology. We use ct scan data to design the titantium implants to approximate the anatomy of the orbital floor and medial wall.

The following discussion assumes a volume ct technique using a multidetector scanner when referring to ct. Orbital implants have a variable appearance at ct depending on their composition. These plates consist of implants that closely approximate the topographical anatomy of the human orbital floor and medial wall and are intended for use in a selective craniomaxillofacial trauma. Materials such as silicone and pmma have been in use for over 30 years and are radiopaque fig 11.

This is typically caused by a direct blow to the central orbit from a fist or ball. Coronal slice of a postoperative ct scan taken after transconjunctival repair of the complete left medial orbital wall and orbital floor. Appropriate timing is based on the clinical exam and imaging. The arrow indicates the buttress of the transition zone between medial orbital wall and orbital floor.

Ct scanning of the orbits is very quick which significantly reduces motion artifacts. Coronal slice of a ct scan shows a non affected left orbit with normal anatomy of the transition zone. Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact. We then cover the implant with our proven medpor biomaterial to minimize sharp edges even if the plate requires modification.

Universal 1 2 upper face module laser etched to aid in plate identification plate holding forcep plate holding forceps utilizes two pins to stabilize plate.