- Cardenas JM, Gordon D, Waddell BS, Kitziger KJ, Peters PC Jr, Gladnick BP. Does Artificial Intelligence Outperform Humans Using Fluoroscopic-Assisted Computer Navigation for Total Hip Arthroplasty? Arthroplast Today. 2024 May 27;27:101410. doi: 10.1016/j.artd.2024.101410. PMID: 38840694; PMCID: PMC11150909.
- Gililland JM, Anderson LA, Boffeli SL, Pelt CE, Peters CL, Kubiak EN. A fluoroscopic grid in supine total hip arthroplasty: improving cup position, limb length, and hip offset. J Arthroplasty. 2012 Sep;27(8 Suppl):111-6. doi: 10.1016/j.arth.2012.03.027. Epub 2012 May 3. PMID: 22560563.
- Carlson VR, Elliott IS, DeKeyser GJ, Pelt CE, Anderson LA, Gililland JM. Are We Being Fooled by Fluoroscopy? Distortion May Affect Limb-Length Measurements in Direct Anterior Total Hip Arthroplasty. J Arthroplasty. 2021 May;36(5):1799-1803. doi: 10.1016/j.arth.2020.11.021. Epub 2020 Nov 21. PMID: 33303328.
OrthoGrid Hip AI®
Instant AI-Powered Insights

Overview
OrthoGrid Hip AI® is an open platform, AI-powered technology that provides direct anterior (DA) hip surgeons with intuitive and instantaneous intra-operative tools to achieve desired surgical outcomes, including functional pelvic plane tracking, offset and precise leg length and cup positioning.1
Product Features

Efficient
Featuring a plug-and-play setup and an intuitive and simple user interface, Hip AI is easy to use and fits seamlessly into your existing fluoroscopic DA hip workflow, regardless of philosophy.
Simple User Interface
- Automated real-time image analytics: See only the information you need, when you need it, so you’re not overloaded with information that’s not required at that point in the workflow.
- Instantaneous measurement report-outs for leg length, offset and cup positioning.
OR Efficiencies
- The use of a fluoroscopic grid resulted in an average 15-minute time savings (79 minutes compared to 94 minutes using traditional fluoroscopy alone). Surgeons can rely on our grid system to streamline procedures, allowing for more efficient use of OR resources.2
- Landmarking Efficiency: Reproducibility of registration thanks to anatomic AI-generated landmarks within the X-ray that act as a virtual array to know where the patient’s pelvis is in space, eliminating the need for manual landmarking.
- Automatic Image Transfer: Automatically transfers C-arm images into the Hip AI software through seamless plug-in.
- Auto-rotate Feature: Automatically rotates and levels C-arm images so you don’t have to make assessments on unleveled images, which could lead to complications.
Freedom of Choice
- Implant and C-arm agnostic system.


Automated
AI-powered software provides automated patient-specific functional pelvis tracking throughout surgery and includes features that automatically simplify and streamline a case, regardless of implant choice.
Automation of Registration
- Automatically executes the registration process for every image intra-operatively with consistency.
Automated Features
- Guidance Control: Level, set, save and track patient-specific functional pelvic plane throughout procedure with smart grid overlays and real-time image interpretation.
- Ruler: Aids in achieving a precise osteotomy based on pre-op plan.
- Auto-Calibration: Once a known value is introduced, the AI-powered software will auto-calibrate subsequent images.
- Template Selection: AI-powered software can interpret the image and auto-suggest a template to use.


Accurate1
Offers tools and features that enable reproducible and consistent surgical outcomes.1
Reproducible Outcomes
- AI-driven fluoroscopic-assisted software provides similar accuracy as human-controlled versions in assessing acetabular component position and leg length discrepancy during total hip arthroplasty.1
- Surgeons can rely on AI technology to achieve optimal implant positioning. In a clinical study, when compared with human-controlled software, 95% of cups were placed within the Lewinnek Safe Zone in the AI cohort and 98% of THAs achieved a final LLD within ±5 mm of intra-operative navigated LLD.1
Distortion Correction
- Make accurate image-based alignment assessments and intra-operative decisions with confidence.
- The only technology that corrects fluoroscopic image distortion, a proven, unpredictable phenomenon invisible to the naked eye that can cause unexpected and undesirable surgical outcomes.3
- Can create a 2-20 mm discrepancy when comparing leg length if no distortion correction is used.3
Pelvic Position Tracking
- Recreate pre-op images intra-operatively and track for consistency throughout the case to mitigate positioning error.
- Ensure consistency of pelvic position throughout case.
Videos
OrthoGrid Hip AI® - AP Hip Contralateral Workflow Surgical Technique - Extended
OrthoGrid Hip AI® - AP Hip Ipsilateral Workflow Surgical Technique - Extended
OrthoGrid Hip AI® - AP Pelvis Workflow Surgical Technique - Extended
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This material is intended for health care professionals. Distribution to any other recipient is prohibited.
For product information, including indications, contraindications, warnings, precautions, potential adverse effects and patient counseling information, see the Instructions for Use or contact your local representative; search this website for additional product information. To obtain a copy of the current Instructions for Use (IFU) for full prescribing and risk information, please visit labeling.zimmerbiomet.com or call 1-800-348-2759, press 4 for 411 Technical Support.