Low-Cost 3D Printing Orbital Implant Templates in Secondary Orbital Reconstructions

Callahan, Alison B.; Campbell, Ashley A.; Petris, Carisa; Kazim, Michael

doi:10.1097/iop.0000000000000884

Cited by 52 publications

(43 citation statements)

References 18 publications

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“…However, considering that individual patients have different orbital morphologies, these earlier method were limited by being unable to take full advantage of 3D printing technology to produce fully customized implants. Also, there is technology available for directly printing a suitable biocompatible material for implantation into the orbit, although this is largely limited to titanium [4]. Pure titanium implants are usually far from being ideal for orbital wall reconstruction for the most commonly occurring simple one-wall blowout fractures and are associated with complications of orbital adherence syndrome [14].…”

Section: Discussionmentioning

confidence: 99%

“…A fifth benefit of our present approach was that the template and the press were used together to maximize the molding effect. Previously, Callahan et al [4] and Fan et al [6] have also reported the use of orbital implant templates in orbital reconstructions. In both of these prior studies, the surgeon manually shaped and trimmed the implant on the templates.…”

Section: Discussionmentioning

confidence: 99%

“…Three-dimensionally (3D) printing technology has become widely available for clinical use and allows surgeons to perform far more accurate orbital reconstructions [1][2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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Generation of customized orbital implant templates using 3-dimensional printing for orbital wall reconstruction

Kang

Kwon

Ahn

et al. 2018

Eye

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3D-printed customized orbital implant templates can be used to press and trim conventional implantable materials with patient-specific contours and sizes for optimal orbital wall reconstruction. It is difficult to design an orbital implant that exactly matches the shape and surface of a blowout fracture site due to the unique 3D structure of the orbit. The traditional surgical method is to visually inspect the fracture site and use eye measurements to cut a two-dimensional orbital implant that corresponds to the anatomical structure of the fracture site. However, implants that do not fit the anatomical structure of a fracture site well can cause complications such as enophthalmos, diplopia and displacement of the implant.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Generation of customized orbital implant templates using 3-dimensional printing for orbital wall reconstruction

Kang

Kwon

Ahn

et al. 2018

Eye

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show abstract

“…3D printing and rapid prototyping have been used in ophthalmic plastic surgery for the correction of complex orbito-zygomatic fractures and in creation of PSIs for volume augmentation in the orbit. [ 28 29 30 ] 3D printing and computer-assisted techniques allow for the creation of patients’ orbit in vitro using freely available softwares such as CURA. This orbital model serves as a mould for fabrication of PSI.…”

Section: Discussionmentioning

confidence: 99%

Low-cost three-dimensional printed orbital template-assisted patient-specific implants for the correction of spherical orbital implant migration

Dave

Tiple

Vempati

et al. 2018

Indian J Ophthalmol

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Purpose:To describe the outcomes of a patient-specific implant (PSI), fabricated using a three-dimensional (3D) printed orbital template and placed in the basin of the inferior orbital fissure to correct inferotemporally migrated spherical orbital implant.Methods:This is a single-center, prospective, consecutive, interventional, case series of six patients, with non-porous, spherical, orbital implant migration that underwent implant recentration surgically with a novel technique. Migration was subclassified either as decentration that did not affect the prosthetic retention or as displacement that affected the prosthetic retention in the eye socket. Only implant displacements were treated. The primary outcome measure was centration of the implant clinically and radiologically, with ability to retain the prosthesis.Results:At a mean follow-up of 21 months, all six orbital spherical implants remained centered. There were no cases of extrusion, exposure, or migration of either implants. There were no cases of PSI displacement. Additional procedures to optimize the aesthetic outcome of the customized ocular prosthesis (COP) required were simultaneous fornix formation suture in three patients, subsequent fornix formation with mucus membrane graft in two patients, and levator resection and sulcus hyaluronic acid gel injection in one patient each. The mean PSI implant weight was 2.66 ± 0.53 g. The mean COP weight was 2.2 ± 0.88 g postoperatively. The median patient satisfaction with the procedure was 9 on 10.Conclusion:A 3D printing-assisted PSI placed in the basin of the inferior orbital fissure allows recentration of the migrated implant over a follow-up of 21 months without complications.

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“…presented five cases of orbital reconstructions with the aid of 3D-printed implant templates. [ 9 ] First, the shape of an orbital defect was measured based on the intact contralateral orbit as a standard Tessellation language file, and then, the mock implant was printed. After sterilization, they used the mock implant intraoperatively as a stencil and shaped on the actual implant.…”

Section: Discussionmentioning

confidence: 99%

Implantation of customized, preshaped implant for orbital fractures with the aid of three-dimensional printing

Nekooei

Sardabi

Razavi

et al. 2018

Middle East Afr J Ophthalmol

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Orbital floor fractures alone or in conjunction with other facial skeletal fractures are the most commonly encountered midfacial fractures. The technological advances in 3-dimensional (3D) printing allow the physical prototyping of 3D models, so creates an accurate representation of the patient's specific anatomy. A 56-year-old Caucasian man with severe hypoglobus and enophthalmos with an extensive blowout fracture was scheduled for reconstruction. First, 3D physical models were created based on the computed tomography scan datasets from patient. Then, this model was used as templates for preoperative trimming the implant. Surgical reconstruction with the aid of pre-shaped, customized prosthesis based on 3D anatomical model resulted in significant esthetic and clinical improvement. It is possible to build anatomical models on the basis of computed tomography scan datasets. It is relatively inexpensive and can be used in the repair of complex orbital floor fractures.

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Low-Cost 3D Printing Orbital Implant Templates in Secondary Orbital Reconstructions

Cited by 52 publications

References 18 publications

Generation of customized orbital implant templates using 3-dimensional printing for orbital wall reconstruction

Generation of customized orbital implant templates using 3-dimensional printing for orbital wall reconstruction

Low-cost three-dimensional printed orbital template-assisted patient-specific implants for the correction of spherical orbital implant migration

Implantation of customized, preshaped implant for orbital fractures with the aid of three-dimensional printing

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