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TECHFIT Digitally Integrated Surgical Reconstruction Platform (DISRP) System is intended for use as a software system and image segmentation system for the transfer of imaging information from a medical scanner such as a CT based system. The input data file is processed by the DISRP System and the result is an outbut data file that may then be provided as digital models or used as input to a rapid prototyping portion of the system that produces physical outputs including surgical guides and splints for use in maxillofacial surgery. The DISRP System is also intended as a preoperative software tool for simulating / evaluating surgical treatment options. The DISRP system is compatible with the TECHFIT Patient- Specific Maxillofacial System and the TECHFIT Diagnostic Models and should be used in conjunction with expert clinical judgment.

The TECHFIT DISRP SYSTEM is composed by Anatomic Specificx Guiding System and the Digitally Integrated Surgical Reconstruction Platform (DISRP). - . The Digitally Integrated Surgical Reconstruction Platform (DISRP) is a web-based collaboration software for digital surgery case flow management and Orthognathic surgery planning that reflects the production process and allows for the interaction of multiple users: surgeons, sales representatives, and the TECHFIT case planning staff (case planning assistant, case planners, and operations director), using multiple devices. It allows collaboration in the planning process. Detail description of the software can be found in later in this section. - Anatomic Specificx Guiding System is a Patient-Specific single-use device designed to ● assist surgeons in transferring the pre-surgical plan to the operation room. This system includes surqical quides intended for Orthognathic and Reconstructive surgeries in adults. The surgical guides have drilling holes and slots to make osteotomies and ensure the correct positioning of bones and implants. The Anatomic Specificx Guiding System is divided into two categories: Anatomic Specificx Orthognathic Guides and Anatomic Specificx Reconstruction Guides. Anatomic Specificx Orthognathic Guides are classified into Titanium and Resin Surgical Guides. Anatomic Specificx Orthognathic Titanium Guides are manufactured from Commercially Pure (CP) Titanium grade 4; they include mandibular and maxillofacial surgical guides (e.q. Le Fort, Genioplasty, etc). Palatal Splints are also part of Anatomic Specificx Orthognathic Titanium Guides, which are optional quides used in orthognathic surgery to quide and support the correct teeth positioning and validate the patient's final occlusion. Anatomic Specificx Orthognathic Resin Guides are manufactured through rapid prototyping using the Form 3B and Form 4B printers and Biomed Clear Resin from Formlabs. These guides include Le Fort and genioplasty surgical guides. During surgery, resin surgical guides must be used with slot, drill, and screw metal sleeves. Slot sleeves are made from commercially pure grade 4 titanium, while drill and screw sleeves are made from alloyed titanium (Ti6Al4V). All sleeves are manufactured by machining. The resin quides also include splints (intermediate, final, and palatal), which are optional quides used in orthognathic surgery to quide and support the correct teeth positioning and validate the patient's final occlusion. Anatomic Specificx Reconstruction Guides The Anatomic Specificx Reconstruction Guides are intended for mandibular and maxillofacial surqical procedures in adults, using patient grafts/flaps for reconstruction. These guides are made from Commercially Pure (CP) grade 4 titanium, produced through machining and finished with an anodizing process. They are intended for use in the anatomical sites of the maxilla, mandible and fibula. The reconstruction guides provide transfer of the pre-surgical plan to the operating room, facilitating placement and fixation of the patient's bone grafts/flaps at the surgical site.

TECHFIT Digitally Integrated Surgical Reconstruction Platform (DISRP) System is intended for use as a software system and image segmentation system for the transfer of imaging information from a medical scanner such as a CT based system. The input data file is processed by the DISRP System and the result is an output data file that may then be provided as digital models or used as input to a rapid prototyping portion of the system that produces physical outputs including surgical guides and splints for use in maxillofacial surgery. The DISRP System is also intended as a preoperative software tool for simulating / evaluating surgical treatment options. The DISRP system is compatible with the TECHFIT Patient- Specific Maxillofacial System and the TECHFIT Diagnostic Models and should be used in conjunction with expert clinical judgment.

The TECHFIT DISRP SYSTEM is composed by Orthognathic Surgical Guides and the Digitally Integrated Surgical Reconstruction Platform (DISRP). Digitally Integrated Surgical Reconstruction Platform (DISRP) The Digitally Integrated Surgical Reconstruction Platform (DISRP) is a web-based collaboration software for digital surgery case flow management and Orthognathic surgery planning that reflects the production process and allows for the interaction of multiple users: surgeons, sales representatives, and the TECHFIT case planning staff (case planning assistant, case planners, and operations director), using multiple devices. It allows easy collaboration in the planning process. Being web-based allows immediate and convenient sharing without the installation or maintenance of the application at the user's end. Orthognathic Surgical Guides Orthognathic Surgical Guides are Patient-Specific single use devices that are designed to assist the surgeon in transferring the pre-surgical plan to the operation room. Surgical Guides are intended for Orthognathic surgeries in adults and have drilling holes and slots for making drillings and osteotomies, as well as they guide the correct positioning of bones and implants. Orthognathic Surgical Guided into two types: Resin Orthognathic Surgical Guides and Machined Orthognathic Surgical Guides. - Resin Orthognathic Surgical Guides Resin Orthognathic Surgical Guides include surgical guides and splints. Surgical Guides consist of the Le Fort and Genioplasty surgical quides, which are composed of a body that is manufactured by TECHFIT Digital Surgery and produced by rapid prototyping with the Form 3B printer and Biomed Clear Resin from Formlabs, Somerville, United States. In surgery Surgical Guides must be used with Metal Sleeves. There are three types of metal sleeves: slot metal sleeve, drill metal sleeve and screw metal sleeve. The slot, drill and screw metal sleeves are manually fitted by the healthcare professional during surgery into the slots, drilling holes and fixation holes of the surgical guide. The metal sleeves are produced from commercially pure titanium grade 4 through machining and are manufactured equivalent to the TECHFIT Patient-Specific Maxillofacial System (K203282) and AFFINITY Proximal Tibia System (K220199). In addition, the Metal Sleeves are single-use and patient-specific accessories. The Splints are optional quides used in orthognathic surgery to quide to the correct teeth positioning and to validate the patient's final occlusion. The Splints are manufactured by TECHFIT Digital Surgery and produced by rapid prototyping using the Form 3B printer and Biomed Clear Resin from Formlabs, Somerville, United States. - Machined Orthognathic Surgical Guides Machined Orthognathic Surgical Guides consist of the Le Fort and Genioplasty surgical guides that are manufactured from the same material (commercially pure titanium grade 4) and in a manufacturing process equivalent to the TECHFIT Patient-Specific Maxillofacial System (K203282) and AFFINITY Proximal Tibia System (K220199) manufactured through machining. Machined Orthognathic Surgical Guides and Metal Sleeves are manufactured with the same material and same manufacturing process.

The TECHFIT Diagnostic Models are patient-specific devices intended to be used as a pre-operative planning tool for treatment in the field of maxillofacial surgery. The input data file (DICOM imaging information from a medical scanner file) is processed by commercial off-the-shelf software, and the result is an output data file that may then be provided as digital models or used as input to produce physical anatomic models using additive manufacturing. The physical replica can be used for diagnostic purposes in the field of, maxillofacial applications. TECHFIT Diagnostic Models should be used in conjunction with other diagnostic tools and expert clinical judgment. TECHFIT Diagnostic Models are not intended to enter the operating room

TECHFIT Diagnostic Models are virtual and additive manufactured anatomic models intended for diagnostic use during maxillofacial surgery planning. The models are created from a CT scan of the patient's anatomy, which is segmented through Commercial-Off-The-Shelf (COTS) software and converted into virtual 3D models. The surgeon uses these 3D models to make the initial plan/diagnosis based on examination or physical measurement of the patient's anatomy, this includes planning anatomic structures movements (for example, maxilla and mandible movements for occlusion), the resections, measurement of anatomic distances (e.g., the facial symmetry), and determining fixation points and the size and shape of the implants if requested. These functions are those that the surgeon can perform, not functions that the subject device provides by itself. TECHFIT creates a design proposal for the case based on the information given by the medical professional and the process continues until the final design proposal is approved. Finally, the digital file can be used as an input to produce physical anatomic models through additive manufacturing. TECHFIT Diagnostic Models are intended for single use only.

AFFINITY Proximal Tibia System is intended to treat fractures, nonunions of the proximal tibia including simple, comminuted, lateral wedge, depression, medial wedge, bicondylar combination of lateral wedge and depression, periprosthetic, and fractures with associated shaft fractures. - · Simple metaphyseal fractures (Classification AO 41-A2) - · Multifragmentary metaphyseal fractures (Classification AO 41-A3) - · Simple bicondylar fractures (Classification AO41-C1, 41-C2) - Multifragmentary bicondylar fractures (Classification AO 41-C3) - · Simple joint, simple metaphyseal fractures (Classification AO 41-C1) - · Diaphisary fractures (Classification AO 42A and 42B)

AFFINITY Proximal Tibia System consists of anatomical plates and screws for the placement of the proximal tibial condyles, improving the restoration of the original structure. Similarly, in combination with the variable angle technique, it allows for the placement of screws in different configurations providing appropriate support for the correct healing of fractures. AFFINITY Proximal Tibia System consists of pre-contoured bone fixation plates and screws. The plates are made from biocompatible commercially pure titanium grade 4 according to ISO 5832-2 and ASTM F67 standard. The screws are made from biocompatible titanium alloy (Ti6Al4V) according to ISO 5832-3 and ASTM F136 standard. The AFFINITY Proximal Tibia System plates can be fixed with variable angle technique.