The AFT™ Greater Tuberosity Cannulated Screws are intended for fracture fixation of long bones and long bone fragments. The AFT™ Greater Tuberosity Fracture Plate is intended for fractures and fracture dislocations, osteotomies, and non-unions of the proximal humerus, particularly in osteopenic bone.
Device Story
AFT™ Greater Tuberosity Fracture System (AFT-GTF) comprises anatomically shaped plates and fasteners for orthopedic fracture fixation. System includes 3.5mm/4.5mm locking screws, 4.5mm non-locking screws, and 4.5mm cannulated screws (with optional 10mm washers). Plates feature holes for suturing; available in left/right configurations. Used by orthopedic surgeons in clinical settings for proximal humerus stabilization. Components are non-sterile, single-use, and implanted to provide mechanical stability to bone fragments, facilitating healing. Output is physical fixation of bone; clinical benefit is restored skeletal integrity and support for bone union.
Clinical Evidence
No clinical data. Substantial equivalence based on geometric equivalence and engineering rationale.
Indicated for patients requiring fracture fixation of long bones/fragments (cannulated screws) or treatment of fractures, fracture dislocations, osteotomies, and non-unions of the proximal humerus, including osteopenic bone (fracture plate).
Regulatory Classification
Identification
Single/multiple component metallic bone fixation appliances and accessories are devices intended to be implanted consisting of one or more metallic components and their metallic fasteners. The devices contain a plate, a nail/plate combination, or a blade/plate combination that are made of alloys, such as cobalt-chromium-molybdenum, stainless steel, and titanium, that are intended to be held in position with fasteners, such as screws and nails, or bolts, nuts, and washers. These devices are used for fixation of fractures of the proximal or distal end of long bones, such as intracapsular, intertrochanteric, intercervical, supracondylar, or condylar fractures of the femur; for fusion of a joint; or for surgical procedures that involve cutting a bone. The devices may be implanted or attached through the skin so that a pulling force (traction) may be applied to the skeletal system.
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### 8. 510(k) Summary
#### MAR - 3 2014 K133668
#### 1. Applicant
Shoulder Options, Inc. 100 E. South Main St. P.O. Box 1458 Waxhaw, NC 28173
Date Prepared: November 26, 2013 Contact Person: John Kapitan, CEO Tel: (704)512-0000
# Fax: (704)831-5316 Email: kapitan@shoulderoptions.com
#### 2. Device Name
| Common/Usual Name: | Cannulated Bone Screws and Washers<br>Plate, Fixation, Bone |
|----------------------|--------------------------------------------------------------------------------------------------------------------------------------|
| Classification Name: | Smooth or threaded metallic bone fixation fastener<br>Single/multiple component metallic bone fixation appliances<br>and accessories |
| Trade Name: | AFT™ GTF System |
| Regulation Number: | 888.3040<br>888.3030 |
| Product Code: | HWC: Screw, Fixation, Bone<br>HRS: Plate, Fixation, Bone |
| Classification: | II |
| Panel: | Orthopedic |
#### 3. Predicate Devices
The Shoulder Options AFT™ Greater Tuberosity Fracture System is substantially equivalent to the following devices:
| 510(k) Number | Device | Manufacturer |
|---------------|---------------------------------------------------------|------------------|
| K121672 | Shoulder Options AFT Proximal Humerus<br>Fracture Plate | Shoulder Options |
| K963172 | Synthes 4.5mm Cannulated Screw | Synthes |
| K052483 | Synthes Spherical Washers | Synthes |
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#### 4. Description of the Device
The AFT™ Greater Tuberosity Fracture System (AFT-GTF) consists of anatomically shaped plates which are fixated with 3.5mm or 4.5mm locking screws and 4.5mm diameter non-locking screws. 4.5mm Cannulated screws are provided to be used with or without 10mm washers. The anatomic plate contains multiple holes to allow for suturing. It is available in left and right configurations. The fasteners are available in various lengths. All components are manufactured from Ti-6Al-4V (ASTM F136). The components are provided non-sterile for singleuse.
#### 5. Indications for Use
The AFT™ Greater Tuberosity Cannulated Screws are intended for fracture fixation of long bones and long bone fragments.
The AFT™ Greater Tuberosity Fracture Plate is intended for fractures and fracture dislocations, osteotomies, and non-unions of the proximal humerus, particularly in osteopenic bone.
#### 6. Summary of Performance Data
Geometric equivalence and engineering rationale is provided to demonstrate substantial equivalence.
#### 7. Safety & Effectiveness
The AFT™ Greater Tuberosity Fracture System is substantially equivalent to the Shoulder Options Proximal Humerus Fracture Plate (K121672) and Synthes 4.5mm Cannulated Screw system (K963172, K052483). The devices have the same "Indications for Use," are available by prescription only, and are provided non-sterile for single-use only. Based on this and the design similarities, it can be concluded that the AFT™ Greater Tuberosity Fracture System is both a safe and effective device and is substantially equivalent to the predicate devices.
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Image /page/2/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo features a stylized depiction of an eagle or bird-like symbol with three curved lines representing its wings or body. The text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" is arranged in a circular pattern around the symbol.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
March 3, 2014
Shoulder Options, Inc. Mr. John Kapitan 100 East South Main Street, PO Box 1458 Waxhaw, North Carolina 28173
Re: K133668
Trade/Device Name: AFT TM Greater Tuberosity Fracture System Regulation Number: 21 CFR 888.3030 Regulation Name: Single/multiple component metallic bone fixation appliances and accessories Regulatory Class: Class II Product Code: HRS, HWC Dated: December 23, 2013 Received: January 8, 2014
Dear Mr. Kapitan:
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 device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set
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#### Page 2 - Mr. John Kapitan
forth in the quality systems (QS) 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 Small Manufacturers, International and Consumer Assistance at its tollfree 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" (21CFR 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 Small Manufacturers, International and Consumer Assistance 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 yours,
## Vincen Devlin -S
- for Mark N. Melkerson Director Division of Orthopedic Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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## 7. Indications for Use Statement
510(k) Number (if known): _K133668
Device Name: AFT™ Greater Tuberosity Fracture System
Indications for Use:
The AFT™ Greater Tuberosity Cannulated Screws are intended for fracture fixation of long bones and long bone fragments.
The AFT™ Greater Tuberosity Fracture Plate is intended for fractures and fracture dislocations, osteotomies, and non-unions of the proximal humerus, particularly in osteopenic bone.
Over-The-Counter Use Prescription Use × AND/OR (21 CFR 801 Subpart C) (Part 21 CFR 801 Subpart D) (PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE OF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
# Elizabeth L. Frank -S
Division of Orthopedic Devices
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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.
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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.
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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
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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.
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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.
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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.
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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.