LOSPA IS ACP System is intended for anterior intervertebral screw fixation of the cervical spine at levels C2-T1. The system is indicated for temporary stabilization of the anterior spine during the development of cervical spine fusions in patients with following indication: 1) Degenerative Disc Disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies) 2) Trauma (including fractures) 3) Tumors 4) Deformities or curvatures (including kyphosis, lordosis or scoliosis) 5) Pseudoarthrosis 6) Failed previous fusion.
Device Story
LOSPA IS ACP System is an anterior cervical plate and screw fixation system used by orthopedic surgeons in clinical settings to stabilize the cervical spine during fusion procedures. The device consists of a low-profile bone plate with preassembled locking mechanisms and screws (self-tapping or self-drilling). The plate is attached to the anterior cervical spine using at least four screws, which are secured by the locking mechanism to prevent back-out. Fixation can be configured as fixed, variable, or hybrid. The system is available in various sizes to accommodate one to four-level procedures. By providing temporary stabilization, the device facilitates the development of spinal fusion, potentially alleviating symptoms associated with degenerative disc disease, trauma, or spinal deformities. Surgeons select appropriate plate and screw sizes based on patient anatomy and pathology. The system is supplied sterile or non-sterile (requiring end-user sterilization).
Clinical Evidence
Bench testing only. No clinical data provided. Performance testing included static compression, tension bending, static torsion, dynamic compression, axial pullout/pushout, and torque to failure, conducted in accordance with ASTM F1717 and ASTM F543. Pyrogen testing was performed per AAMI ST72.
Technological Characteristics
Materials: Titanium alloy (ASTM F136, ISO 5832-3). Components: Bone plates with preassembled locking mechanisms and screws (self-tapping/self-drilling). Dimensions: Plate width 18mm, thickness 1.9-2.3mm, height 20-110mm; screw core diameter 2.5mm, outer diameter 4.0-4.5mm, length 12-18mm. Sterilization: Gamma (ISO 11137-1/2) for sterile components; steam (ISO 17665-1) for non-sterile components. Instrumentation: Stainless steel and polymers.
Indications for Use
Indicated for patients requiring temporary anterior cervical spine stabilization (C2-T1) during fusion for degenerative disc disease, trauma/fractures, tumors, deformities (kyphosis, lordosis, scoliosis), pseudoarthrosis, or failed previous fusion.
Regulatory Classification
Identification
A spinal intervertebral body fixation orthosis is a device intended to be implanted made of titanium. It consists of various vertebral plates that are punched into each of a series of vertebral bodies. An eye-type screw is inserted in a hole in the center of each of the plates. A braided cable is threaded through each eye-type screw. The cable is tightened with a tension device and it is fastened or crimped at each eye-type screw. The device is used to apply force to a series of vertebrae to correct “sway back,” scoliosis (lateral curvature of the spine), or other conditions.
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Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo consists of a circular seal with the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" around the perimeter. Inside the circle is an abstract symbol that resembles a stylized caduceus, with three human profiles forming the staff and a flowing ribbon representing the snakes.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
January 5, 2017
Corentec Co., Ltd J.S. Daniel Senior Manager/Engineer - RA & QA 8f Chungho Tower, 483, Gangnam-daero Seocho Gu Seoul, South Korea 06541
Re: K161641
Trade/Device Name: LOSPA IS ACP System Regulation Number: 21 CFR 888.3060 Regulation Name: Spinal intervertebral body fixation orthosis Regulatory Class: Class II Product Code: KWQ Dated: November 11, 2016 Received: November 15, 2016
Dear Mr. Daniel:
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,
# Lori A. Wiggins -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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# Indications for Use
510(k) Number (if known) K161641
Device Name
LOSPA IS ACP System
Indications for Use (Describe)
LOSPA IS ACP System is intended for anterior intervertebral screw fixation of the cervical spine at levels C2-T1. The system is indicated for temporary stabilization of the anterior spine during the development of cervical spine fusions in patients with following indication:
1) Degenerative Disc Disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies)
2) Trauma (including fractures)
3) Tumors
4) Deformities or curvatures (including kyphosis, lordosis or scoliosis)
5) Pseudoarthrosis
6) Failed previous fusion.
| 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)
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# 510(K) SUMMARY
# Corentec Co., Ltd.
# LOSPA IS ACP System
5th Jan., 2017
# ADMINISTRATIVE INFORMATION
| Manufacturer | Corentec Co., Ltd. |
|------------------|--------------------------------------------------|
| | 12, Yeongsanhong 1-gil, Ipjang-Myeon, Seobuk-Gu |
| | Cheonan-si, Chungchongnam-do, 06541, South Korea |
| | Telephone: +82-41-585-7114 |
| | Fax: +82-41-585-7113 |
| Official Contact | J.S. Daniel |
| | Associate Director – Global RA/QA |
| | Corentec Co., Ltd |
| | 8F Chungho Tower, 483, Gangnam-daero, |
| | Seocho Gu, Seoul, Korea 31056 |
| | Ph: +82 70 4393 3819 |
| | Fax: +82 2 3445 5467 |
| | Email: jsdaniel@corentec.com |
# DEVICE NAME AND CLASSIFICATION
| Trade/Proprietary Name: | LOSPA IS ACP System |
|-----------------------------|---------------------------------------|
| Common Name: | Intervertebral body fixation orthosis |
| Classification Regulations: | 21 CFR 888.3060 |
| Regulatory Class: | Class II |
| Product Codes: | KWQ |
| Classification Panel: | Orthopedic Products Panel |
| Reviewing Branch: | Anterior Spine Devices Branch |
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## INDICATIONS FOR USE
### LOSPA IS ACP System
LOSPA IS ACP System is intended for anterior intervertebral screw fixation of the cervical spine at levels C2-T1. The system is indicated for temporary stabilization of the anterior spine during the development of cervical spine fusions in patients with following indication:
1) Degenerative Disc Disease (as defined by neck pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies)
- 2) Trauma (including fractures)
- 3) Tumors
- 4) Deformities or curvatures (including kyphosis, lordosis or scoliosis)
- 5) Pseudoarthrosis
- 6) Failed previous fusion.
### DEVICE DESCRIPTION
#### LOSPA IS ACP System
LOSPA IS ACP System is composed of a bone plate (a locking mechanism is preassembled to plates) and screws. The design features are common with the design features of the predicate devices. Plates have a Low profile with windows. A locking system between plate and screw which also prevents back out. Plates attach to the anterior cervical spine with a minimum of four screws per plate. The plate ranges in length to accommodate one, two, three, and four level procedures. Available in multitude of similar sizes to suit the individual pathology and anatomic condition of the patient. Screws are available as Self-tapping & Self-drilling types. Fixation can be Fixed, Variable or Hybrid types. Both the plate and screws are made of Titanium alloy as described in ASTM F136, ISO 5832-3. Implant is available as non-sterile & sterile.
LOSPA IS ACP System is available in
- . Width of 18 mm & Thickness of 1.9 and 2.3 mm and Levels 1 to 4 with height ranging from 20 to 110 mm.
- Screw has Core Dia. 2.5 & Outer Dia. 4.0, 4.5 with length ranging from 12 to 18mm.
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### LOSPA IS SPINAL SYSTEM INSTRUMENTATION
LOSPA IS Spinal Fixation System Instrumentation which includes instruments for subject devices ACP System consisting of set of accessories to be used with LOSPA IS ACP System. The instruments are designed to be simple, conventional, and accurate and all parts of which are used for their respective procedures by qualified orthopedic surgeons. The parts of the instruments are made of stainless steel and polymers which are biocompatible and used in medical industry.
### SUBSTANTIAL EQUIVALENCE
The LOSPA IS ACP System is similar to the 510(k) cleared devices as mentioned below with respect to indications, design, operating principles and material.
| LOSPA IS<br>Spinal Systems | Predicate<br>Category | Manufacturer | Trade Name | 510(k) |
|----------------------------|-----------------------|----------------------------------------|------------------------|---------|
| ACP System | Primary | Medtronic Sofamor<br>Danek USA | ATLANTIS<br>ACP System | K063100 |
| | Additional | Howmedica Osteonics<br>Corp. (Stryker) | REFLEX ACP<br>System | K010115 |
The LOSPA IS Spinal Systems consisting of Anterior Cervical Plate System components and all the predicate devices have same intended use and same indications for use. The LOSPA IS ACP System has a profile similar with primary predicate ATLANTIS ACP System [K063100] and additional predicate, REFLEX ACP System [K010115], with windows for graft. The overall design and dimensional specification of LOSPA IS ACP System is similar to its predicate devices.
The design features of LOSPA IS Spinal Systems consisting LOSPA IS ACP System are common with of all the predicate devices as described in device description. At a high level LOSPA IS ACP System Devices have the following similarities to the predicate devices:
- has the same intended use, ●
- has similar indications for use, ●
- uses similar operating principles, ●
- incorporates similar basic designs & specifications, ●
- incorporates same or similar materials, and ●
- is supplied Non Sterile and/or Sterile
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## PERFORMANCE DATA
For LOSPA IS ACP System performance testing was carried out to demonstrate substantial equivalence. Testing of the subject devices consisted of static compression & tension bending, static torsion, dynamic compression, axial pullout/pushout and torque to failure and Pyrogen testing and included methods described in the standard ASTM F1717 & ASTM F543 & AAMI ST72.
The results of this testing showed that the subject devices are expected to be as safe and as effective as the predicate devices. Any differences in technological characteristic between the subject and predicate devices do not raise new issues of safety or efficacy.
### STERILIZATION & PACKAGING
Similar to the predicate devices, the LOSPA IS ACP System are packaged in pouch and supplied sterile and non sterile.
The non sterile implants and all instruments used in the surgery must be sterilized by the end user, prior to use, as mentioned in the IFU. Steam sterilization validation for the subject non sterile devices was conducted as per, ISO 17665-1.
For the sterile components, following to gamma sterilization, packaging was subjected to sterile barrier testing to validate a shelf life of 5 years as per ISO & ASTM standards confirms the stability and effectiveness of packaging of the sterilized product during the shelf-life, by evaluating changes by accelerated aging, as per ASTM F1980.
Gamma sterilization validation for the subject sterile devices was conducted as per, ISO 11137-1 & ISO 11137-2.
Additionally, for sterile components, Pyrogen testing as per AAMI ST72 was conducted.
### CONCLUSION
Overall, the LOSPA IS ACP System is similar to the identified primary predicate device and additional predicates. Any differences in technological characteristic between the subject and primary predicate device and additional predicate do not raise new issues of safety or efficacy and has been adequately addressed in this premarket notification.
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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.
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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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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.