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Bio-eye Presentation Slide Set

Page 5 of 11

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41. A Bio-eye Hydroxyapatite Orbital Implant prior to being placed into a scleral wrapping.

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42. A Bio-eye Hydroxyapatite Orbital Implant wrapped in a scleral shell. The sclera is sutured closed prior to inserting the implant into the orbit.

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43. A dot marked on the sclera designates the anterior projection of the implant. Note windows cut in the sclera to facilitate attachment of the extraorbital muscles. The highly vascular muscles encourage rapid vascular ingrowth where they contact the implant.

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44. The sclera has been cut away from the posterior aspect of the implant to increase contact between orbital tissues and the implant. The purpose of cutting windows in the sclera and exposing a section of the posterior portion of the implant is to encourage more rapid vascularization of the implant.

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45. A rectus muscle being attached to a window in the sclera. The site of muscle attachment becomes a point of origin for vascular tissue ingrowth into the pores of the hydroxyapatite material.

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46. All four muscles have been attached to the sclera. Typically, only the four rectus muscles are attached. The oblique muscles can be attached according to the surgeon's preference.

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47. The conjunctiva has been closed following standard procedures. Tenon's capsule and the conjunctiva should be closed as separate layers to prevent early exposure of the rough hydroxyapatite material.

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48. Normal appearance of a socket following closure of the conjunctiva. The socket should look similar to that with a silicone or methyl-methacrylate spherical implant after closure of the conjunctiva. The purple dot on the patient's conjunctiva is placed to show the extreme movement possible with the Bio-eye orbital implant.

49. For information on Hole Placement in the Bio-eye Hydroxyapatite Orbital Implant, please refer to the Titanium Peg System Letter.

50. Caution

  • Don't place the hole until the implant is vascularized
  • T99 bone scan
  • MRI with contrast and surface coil

The hole procedure should not be performed without established adequate vascular ingrowth. The vascularity of the implant is best determined by a bone scan or an MRI with a contrast agent.

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