The Cannulated Screws Neoortho are generally intended for fracture fixation of various bones and bone fragments, such as femoral neck, intercondylar femoral, malleolus, pilon tibial, calcaneus, talus, tibial plateau, tarsal, metatarsal, wrist, metacarpal, carpal, scaphoid and radius fracture. The Cannulated Screws Neoortho are also intended for fixation arthrodesis, iliosacral dislocations, and hallux valgus corrections. Accessories implants: The washer is used to increase bone contact area for distributing the forces/load and prevent the screw head from sinking into the bone.
Device Story
Cannulated screws and washers used for bone fracture fixation and stabilization; self-tapping design with cancellous or cortical threads; guided into position via guide wire. Manufactured from stainless steel and titanium alloy. Used by orthopedic surgeons in clinical settings to align and stabilize skeletal fractures. Washer accessory increases bone contact area and prevents screw head sinking. Device provides mechanical stabilization to aid bone healing.
Clinical Evidence
No clinical data provided. Substantial equivalence established via non-clinical bench testing, including biomechanical tests (torsional, axial pullout, driving torque, bending, fatigue per ASTM F543 and F1264), cleaning validation (AAMI TIR 30, NBR 14332), and sterilization validation (AAMI-ST79, ISO 17665-1).
Technological Characteristics
Materials: Stainless steel (ASTM F138) and Ti-6Al-4V alloy (ASTM F136). Design: Self-tapping cannulated screws with cancellous or cortical threads. Energy source: None (mechanical). Connectivity: None. Sterilization: Validated per AAMI-ST79 and ISO 17665-1.
Indications for Use
Indicated for fracture fixation of various bones and bone fragments (femoral neck, intercondylar femoral, malleolus, pilon tibial, calcaneus, talus, tibial plateau, tarsal, metatarsal, wrist, metacarpal, carpal, scaphoid, radius), fixation arthrodesis, iliosacral dislocations, and hallux valgus corrections.
Regulatory Classification
Identification
A smooth or threaded metallic bone fixation fastener is a device intended to be implanted that consists of a stiff wire segment or rod made of alloys, such as cobalt-chromium-molybdenum and stainless steel, and that may be smooth on the outside, fully or partially threaded, straight or U-shaped; and may be either blunt pointed, sharp pointed, or have a formed, slotted head on the end. It may be used for fixation of bone fractures, for bone reconstructions, as a guide pin for insertion of other implants, or it may be implanted through the skin so that a pulling force (traction) may be applied to the skeletal system.
Synthes (USA) 3.0 mm Headless Compression Screws (K050636)
Submission Summary (Full Text)
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Image /page/0/Picture/1 description: The image shows the seal of the Department of Health & Human Services - USA. The seal is circular and contains the department's name around the perimeter. In the center of the seal is an abstract symbol that resembles a stylized caduceus or a series of interconnected human profiles. The symbol is composed of three profiles facing to the right, with the first profile being the most prominent and the other two gradually diminishing in size.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
NEOORTHO Produtos Ortopedicos S/A Mariana de Oliveira Quinzani Regulatory Affairs Rua Ângelo Domingos Durigan, 607, Cascatinha Curitiba, Paraná 82025-100 Brazil
June 27, 2017
Re: K162874 Trade/Device Name: Cannulated Screws Neoortho Regulation Number: 21 CFR 888.3040 Regulation Name: Smooth Or Threaded Metallic Bone Fixation Fastener Regulatory Class: Class II Product Code: HWC, HTN Dated: May 24, 2017 Received: May 30, 2017
Dear Ms. Mariana de Oliveira Quinzani:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration. listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical devicerelated adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in
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the quality systems (OS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely,
Mark N. Melkerson -S
Mark N. Melkerson Director Division of Orthopedic Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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Expiration Date: January 31, 2017
See PRA Statement below.
Form Approved: OMB No. 0910-0120
DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
# Indications for Use
510(k) Number (if known)
K162874
Device Name
Cannulated Screws Neoortho Indications for Use (Describe)
> The Cannulated Screws Neoortho are generally intended for fracture fixation of various bones and bone fragments, such as femoral neck, intercondylar femoral, malleolus, pilon tibial, calcaneus, talus, tibial plateau, tarsal, metatarsal, wrist, metacarpal, carpal, scaphoid and radius fracture. The Cannulated Screws Neoortho are also intended for fixation arthrodesis, iliosacral dislocations, and hallux valgus corrections. Accessories implants: The washer is used to increase bone contact area for distributing the forces/load and prevent the screw head from sinking into the bone.
| Type of Use (Select one or both, as applicable) | |
|-------------------------------------------------|--|
|-------------------------------------------------|--|
X Prescription Use (Part 21 CFR 801 Subpart D)
Over-The-Counter Use (21 CFR 801 Subpart C)
# CONTINUE ON A SEPARATE PAGE IF NEEDED.
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FORM FDA 3881 (8/14)
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# 510(k) Summary
# NEOORTHO Produtos Ortopédicos S/A
### Cannulated Screw Neoortho
September 30, 2016
#### ADMINISTRATIVE INFORMATION
Manufacturer Name:
NEOORTHO Produtos Ortopédicos S/A
Rua Ângelo Domingos Durigan, 607, Cascatinha
Curitiba, Paraná 82025-100, Brazil
Telefone: +55 41 3535-1000
Fax: +55 41 3535-1018
Official Contact
Mariana de Oliveira Quinzani Regulatory Affairs NEOORTHO Produtos Ortopédicos S/A Rua Ângelo Domingos Durigan, 607, Cascatinha Curitiba, Paraná 82025-100, Brazil Telefone: +55 41 3535-1000 Fax: +55 41 3535-1018 Email: regulatorio@neoortho.com.br
#### DEVICE NAME AND CLASSIFICATION
Trade/Proprietary Name : Cannulated Screws Neoortho Common Names: Smooth or Threaded Metallic Bone Fixation Fastener Classification Names: Smooth or Threaded Metallic Bone Fixation Classification Regulations: 21 CFR 888.3040 Product Code: HWC and HTN Classification Panel: Classification Panel Reviewing Branch: Joint Fixation Devices Branch Two (JFDB2)
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#### INTENDED USE
The Cannulated Screws Neoortho are generally intended for fracture fixation of various bones and bone fragments, such as femoral neck, intercondylar femoral, malleolus, pilon tibial, calcaneus, talus, tibial plateau, tarsal, metatarsal, wrist, metacarpal, carpal, scaphoid and radius fracture. The Cannulated Screws Neoortho are also intended for fixation arthrodesis, iliosacral dislocations, and hallux valgus corrections. Accessories implants: The washer is used to increase bone contact area for distributing the forces/load and prevent the screw head from sinking into the bone
#### DEVICE DESCRIPTION
The Neoortho Cannulated Screws include nine cannulated screw specifications and associated washers, which are manufactured from stainless steel and titanium alloy. The cannulated screw is a self-tapping screw with a cancellous or cortical thread that can be guided into a position via a guided wire. They are used to aid in the alignment and stabilization of fractures to the skeletal system.
The technological characteristic of the Neoortho Cannulated Screws are similar to the predicate devices including design, dimensions, and materials. The Neoortho cannulated screws and washers are fabricated from stainless steel per ASTM F138 and Ti-6Al-4V alloy per ASTM F136. The stainless steel and Ti-6Al-4V are commonly used material in orthopedic implants.
# EQUIVALENCE TO MARKETED DEVICE
NEOORTHO Produtos Ortopédicos S/A submits the following information in this Premarket Notification to demonstrate that, for the purposes of FDA's regulation of medical devices, the subject device is substantially equivalent in indications and design principles to the following legally marketed predicate devices:
K142057, Infix Medical LLC, Infix Cannulated Screw System K050636, Synthes (USA), Synthes (USA) 3.0 mm Headless Compression Screws
The subject device and the predicate devices have intended use and have the same technological characteristics. The subject and predicate devices are all fabricated
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from the same or similar materials. The subject and predicate devices encompass the same range of physical dimensions, and share similar characteristics. The subject and predicate devices are packaged using the same materials, and are to be sterilized by the same methods. Performance data provided to demonstrate substantial equivalence included detailed dimensional analysis of the subject and predicate device designs, engineering analysis, and mechanical testing of the subject designs. Any differences in the technological characteristics do not raise new issues of safety or efficacy.
Overall, the subject device has the following similarities to the predicate devices:
- o has the same intended use,
- uses the same operating principle,
- incorporates the same basic designs,
- incorporates the same or very similar materials, and
- has similar packaging and is to be sterilized using the same processes.
The basis for the belief of NEOORTHO Produtos Ortopédicos S/A that the subject device is substantially equivalent to the predicate devices is summarized in the following pages. Specific comparisons of the subject device to the predicate devices, arranged by screw designs, predicate 510(k) information, and predicate marketing information also are provided in this section.
# SUMMARY OF PERFORMANCE DATA (NONCLINICAL AND CLINICAL TEST)
# Non-clinical tests
- o The biomechanical tests ASTM F543 and ASTM F1264 were performed to determine substantial equivalence of the Cannulated Screws Neoortho including self-tapping, torsional, axial pullout, driving torque, bending and fatigue. Results indicate that de subject screws are substantially equivalent to legally market devices offering a reasonable assurance of safety and effectiveness.
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- The cleaning validation was performed in according with the AAMI TIR 30: 2011 o and NBR 14332: 1999. The tests results show that the acceptance criteria are met.
- o The sterilization process parameters are validate for the sterility assurance level of (SAL) de 10 ° (AAMI-ST79: 2010/A4 and BS EN ISO 17665-1). The tests results show that the acceptance criteria are met.
- o The Cannulated Screw Neoortho has not been evaluated for safety and compatibility in the MR environment. It has not been tested for heating, migration, or image artifact in the MR environment. The safety of Cannulated Screw Neoortho in the MR environment is unknown. Scanning a patient who has this device may result in patient injury.
# CLINICAL TESTS
Clinical data and conclusions were not needed for these devices to show substantial equivalence.
# CONCLUSION
The Cannulated Screws Neoortho has been shown to be substantially equivalent the predicate devices. Result of preclinical tests/engineering justification and similarities with the legal market predicated devices indicate the device will perform within the intended use and no new issues of safety or effectiveness have been raised.
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Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
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Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.