Recently, an experiment applying iReal 3D scanner to facial repair and reshaping was carried out in Manchester General Hospital.

iReal 3D scanner has also been introduced into spine corrective treatment and prosthesis customization process. 3D body scanning has demonstrated great potential for application in the healthcare field, as there has always been a demand for acquiring patients’ physical data for diagnostic and treatment purposes in clinical practices. The X-ray, CT, Magnetic Resonance Imaging (MRI) are all used to form 3D images of the inside of patients. By comparison, 3D body scanning is designed for collecting data concerning outside of the human body. The 3D data can be applied in the customization of medical products for patients such as artificial limbs, prostheses, rehabilitation protectors, and orthopedic support.

When collecting body 3D data, what people care about most is whether the scanning is safe, comfortable, non-contact, effective and precise. Safety and comfortableness are two prerequisites for applying 3D scanning to the human body, because no technology that can’t make sure about absolute safety can be applied to the human body.

Second of all, the human body features a complicated outline and great elasticity. Medical 3D scanning usually demands patients to expose the target parts for diagnostic purposes. Moreover, some patients bear severe trauma. All those factors decide non-contact measurement is the best way for body data acquisition.

Last but not least, efficiency and precision are necessary conditions in providing diagnostic and treatment services for patients. High efficiency aims to relieve patients’ suffering and precision refers to consistent scanning results, which realizes customized artificial limbs, prosthesis and rehabilitation protectors fitted patients’ individual characteristics in a seamless way.

The iReal body 3D scanner adopts infrared VCSEL structured light that will do no harm when people using it. The Infrared light source is invisible so as to make people comfortable. During the scanning, it is unnecessary to attach markers, whereas its high precision warrants accurate scanning results. The iReal 3D color scanner supports light-free scanning and dark scanning and automatically removes overlaying caused by body movement. The scanned data can be imported into orthopedic design software and a 3D printer, perfectly meeting all the requirements concerning human body 3D scanning in clinical practice.

Case 1 Facial repair and reshaping in Manchester Manchester General Hospital

Compared with other systems we have tried, we found iReal body 3D scanner met all requirements and applications within the hospital settings, Olive Burley said, a rehabilitation expert in Manchester General Hospital when assessing the performance of iReal 3D scanner in facial repair and reshaping experiment.

Within several minutes, iReal finishes a high-quality scanning of such details as eyebrows, fine lines, wrinkles and eyes with realistic texture capturing. Then, the related data are imported into specialized design software so that patients can get customized prostheses. With rhinoplasty as an example, 3D scanning is scheduled before the operation to determine customized prostheses and generate a 3D implantation effect for communicating with the patient. Besides, the operation plan of the case can be saved.

3d face scan

When the operation is done, the real data of the patient are put into comparison with the operation plan. Such a digital facial reshaping procedure appears both innovative and practical in the clinical field, which brings in more refined and accurate rhinoplasty. Considering the performance on facial repair and reshaping, “we are thinking about applying iReal to the repair and reshaping of other body parts. ” Olive Burley stated.

Casse 2 Spine correction

Kunming Digital Orthopedics Medical Technology Center exerted iReal 3D scanner in their scoliosis correction procedures. Deformity of the spinal column is one of the common diseases affecting adolescent health. An orthosis is the most effective way of conservative treatment for moderate idiopathic scoliosis. At present, scoliosis corrective Orthosis is mostly artificially made demanding a long manufacturing process. By contrast, a combination of iReal 3D scanner with 3D printer makes the orthosis production more efficient. Furthermore, the invisible light scanning could reduce the psychological discomfort of patients. This pattern is especially humane for patients suffering from special psychological diseases.

3D scanning-based spinal orthosis manufacturing is roughly made of the following steps: acquire medical images of patients (X-ray, CT, etc.) → record patient 3D data → conduct analytic planning with medical images and 3D scanning data (by determining target angle for correction and compensation and calculating corresponding pressure as per the displacement) → design orthosis through software (pressing, stretching and smoothing) → design model to simulate fitting with X-ray and mathematic models→ print orthosis by 3D printing→ polish the orthosis and fix fasteners→ wear the orthosis and do some adjustment as necessary.

3d body scanner case3D body scanning by iReal 3D scanner
3d data of body (3)Medical image and 3D stl data
3d data of body (2)

Full-length X-ray measurement to determine the outer dimensions of the orthosis; Accurate matching of X-ray with 3D scanning data.

Design corrective orthosis with 3D softwareX-ray images and 3D scanning model

Simulate matching of the designed model with X-ray images and 3D scanning model.

Wearing 3D printed orthosis

Wearing 3D printed orthosis is more ergonomic than the conventional one due to its high fitting ratio and improved comfort.

Page from 3d-scantech.com

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