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[Orbital endoscopic surgery: experimental model for foreign bodies extraction]
E Cabezas1, A Macarro, J Fernández-Vigo
1Cátedra de Oftalmología, Facultad de Medicina, Universidad de Extremadura, Badajoz, España.
Purpose:
Endoscopy is a useful technique that may be applied to study orbital pathology because it is safe. In this paper we describe the surgical technique using endoscopy for orbital foreign body extraction.
Methods:
In an experimental model in the dog we inserted a spheric metallic foreign body into the intraconal portion of the orbit. After general anesthesia we performed a 2 mm. peritomy in the conjuntiva. Then we introduced the optic system connected to a TV monitor. Associated to the optic system we fixed a 14-G Abbocath to introduce a 1.7 mm foreign body forceps.
Results:
After a complete endoscopic exam of the orbit we identified the metallic foreign body. With the 1.7 mm forceps we could take out the foreign body. The extractions were very simple and the technique was not traumatic for the orbit.
Conclusions:
Endoscopic surgery of the orbit is a useful and safe technique to extract orbital foreign bodies in this experimental model.