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The ROSA® Knee System, for use with the ROSA® RECON platform, is indicated as a stereotaxic instrumentation system for total knee replacement (TKA) surgery. It is to assist the surgeon in providing software-defined spatial boundaries for orientation and reference information to identifiable anatomical structures for the accurate placement of knee implant components. The robotic arm placement is performed relative to anatomical landmarks as recorded using the system intraoperatively, and based on a surgical plan optionally determined pre-operatively using compatible X-ray or MRI based surgical planning tools. It includes a robotic arm, an optical tracking system and accessories, software system, surgical instruments and accessories. The ROSA Knee System is designed for use on skeletally mature patient population. The targeted population has the same characteristics as the population that is suitable for the implants compatible with the ROSA Knee System. The ROSA Knee System is to be used with the following fixed bearing knee replacement systems in accordance with their indications and contraindications: NexGen® CR, NexGen CR-Flex, NexGen CR-Flex Gender, NexGen LPS, NexGen LPS-Flex, NexGen LPS-Flex Gender, Persona® CR, Persona PS, Persona Ti-Nidium® CR, Persona Ti-Nidium PS, Persona IQ®,Vanguard® CR, and Vanquard PS.

The ROSA® Knee System for use with the ROSA® RECON platform is used to assist surgeons in performing Total Knee Arthroplasty (TKA) with features to assist with the bone resections as well as assessing the state of the soft tissues to facilitate implant positioning intra-operatively. The ROSA® Knee System uses a Non-Device Medical Device Data System (MDDS) called the Zimmer Biomet Portal which manages the creation and tracking of surgical cases. The cases reside on the portal until they are uploaded to the ROSA® RECON Platform before surgeries. If the case is image-based, a 3D virtual bone model is generated pre-operatively by the PSI systems (X-PSI Knee System-K171269 or CAS PSI Knee System-K131409) to create a 3D model of the patient's femur/tibia and allows the preparation of a pre-operative surgical plan as well as visualization of planned cuts. The pre-operative plan is then matched to the landmarks taken intra-operatively on the patient's bony anatomy. An imageless option is also available where landmarks taken intra-operatively on the patient's bony anatomy are used to create the surgical plan. Accuracy of resections, knee state evaluation, and soft tissue assessment are the same between image-based and imageless options as they are always based on intraoperative landmarks. The intraoperative workflow and surgical concepts implemented in the ROSA Knee System remain close to the conventional TKA workflow. As such, at the time of the surgery, the system mainly assists the surgeon in (1) Determining reference alignment axes in relation to anatomical landmarks, (2) planning the orthopedic implants location based on these reference alignment axes and orthopedic implant geometry (planning optionally based on a pre-operative plan using pre-operative imaging), and (3) precisely positioning the cut guide relative to the planned orthopedic implant location by using a robotic arm. The purpose of the submission is additional compatibility (Persona IQ 30 mm) with the FDA cleared tibial extension implant (stem), Canturio Smart Extension with Canary Health Implanted Reporting Processor (CHIRP) System, FDA 510(k) number K234056 to the subject device: ROSA Knee System.

The Signature™ ONE System is indicated, based on patient-specific radiological images with identifiable placement anatomical landmarks, to assist in pre-operative planning and/or intra-operative guiding of surgical instruments for shoulder replacement surgical procedures on patients not precluded from being radiologically scanned. The Signature™ ONE System is designed for use on a skeletally mature patient population. The targeted population has the same characteristics as the population that is suitable for the implants compatible with the Signature™ ONE System. The Signature™ ONE System is to be used with the glenoid components of the following shoulder implant systems in accordance with their indications: Zimmer® Trabecular Metal Reverse Plus® Shoulder. Comprehensive® Total Shoulder System, Comprehensive® Reverse Shoulder System, Comprehensive® Reverse Augmented Baseplates and Alliance® Glenoid System. The Signature™ ONE System pre-operative planning is also compatible with the humeral components of the following shoulder implant systems in accordance with their indications: Comprehensive® Total Shoulder System, Comprehensive® Reverse Shoulder System, and Identity™ Shoulder System. The Signature™ ONE System Guides and bone models are intended for single use only.

The Signature™ ONE System is developed to assist in preoperative planning (using the Signature™ ONE Planner) and to accurately transfer a pre-operative plan to orthopedic surgical procedures (using the Signature™ ONE Guides and bone model) if desired in skeletally mature individuals for Total Shoulder Arthroplasty. Both anatomic and reverse (TSA and RSA respectively) approaches are supported. The Signature ONE Guides and Bone Models are designed and manufactured of polyamide (nylon) using additive manufacturing selective laser sintering (SLS), based on the approved/finalized pre-surgical plan and shipped prior to surgery. The guides and bone models are provided nonsterile and sterilized at the hospital. They are used intraoperatively to assist the surgeon in reproducing the plan on the scapula. The Signature ONE System surgical technique remains close to the conventional shoulder arthroplasty workflow. The Signature™ ONE System uses a Non-Device Medical Device Data System (MDDS) called the Zimmer Biomet Portal for the interaction with external users (i.e. imaging technician and the surgeon). The internal users (i.e. the Zimmer Biomet operators) use manufacturing software applications to prepare the patient cases for the surgeon. The purpose of this submission is to introduce new hardware kits for the existing compatible Comprehensive Reverse Augment implants and to include the addition of pre-operative planning of humeral components. A Rotational Guide component will be available as part of these two kits. Modifications have been made to the software applications to accommodate the new guide ordering option. The overall manufacturing process, materials, sterilization methods, have not changed from the previous primary predicate and principal of operation remains similar.