The NeuroVision JJB System is intended to provide stimulation of spinal nerves during surgery of the spine, and assist, by administration of brief electrical stimulus pulses to tissues and nerves at the operative site, and EMG monitoring of muscle groups associated with those nerves, in the following: a) Location and evaluation of spinal nerves, using the System's Screw Test, Detection, and/or Free Run EMG Functions; and b) Location and identification of spinal nerves, using the System's Nerve Retraction Function. The NeuroVision JJB System is designed for use in conjunction with other NuVasive devices to assist in gaining controlled access to, and visualization of, the spinal nerve root, foramina, and surrounding tissues of the spine via uniportal or biportal approach, where anatomical restrictions safely permit.
Device Story
NeuroVision JJB System provides intraoperative neurophysiologic monitoring during spinal surgery. System inputs include electrical stimulus pulses delivered to tissues/nerves and EMG signals captured from muscle groups via electrodes. Device transforms these inputs to monitor nerve responses; functions include Screw Test, Detection, Free Run EMG, and Nerve Retraction. Output is displayed on a touch screen for the surgeon to assist in nerve identification and evaluation. Used in clinical settings by surgeons to gain controlled access to spinal nerve roots and surrounding tissues. Benefits include reduced risk of nerve injury during instrumented spine surgery.
Clinical Evidence
No clinical data provided; bench testing only.
Technological Characteristics
System includes reusable Patient Module, Control Unit with touch screen, interface card, and conductive probes/electrodes. Operates as an EMG monitor/stimulator. Software-based monitoring of spinal nerves.
Indications for Use
Indicated for patients undergoing spinal surgery requiring nerve surveillance, location, and identification of spinal nerves via EMG monitoring and electrical stimulation.
Regulatory Classification
Identification
An evoked response electrical stimulator is a device used to apply an electrical stimulus to a patient by means of skin electrodes for the purpose of measuring the evoked response.
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# KOSI 384
# JUL 11 2005
### VII. 510(k) Summary
In accordance with Title 21 of the Code of Federal Regulations, Part 807, and in particular nraceorgance of owing summary of information is provided:
#### Submitted by: A.
Laetitia Cousin Director of Regulatory Affairs and Quality Assurance NuVasive, Incorporated 4545 Towne Centre Court San Diego, California 92121 Telephone: (858) 909-1868 Fax: (858) 909-2068
#### Device Name B.
| Trade or Proprietary Name: | NuVasive NeuroVision JJB System |
|----------------------------|--------------------------------------------|
| Common or Usual Name: | Electromyography (EMG) monitor/stimulator- |
| Classification Name: | Surgical nerve stimulator/locator |
| Device Class: | Class II |
| Classification: | §874.1820, §882.1870 |
| Product Code: | 77ETN, 84GWF |
#### C. Predicate Devices
The subject NeuroVision JJB System is substantially equivalent to the NeuroVision JJB The subject real o ranth over and distributed commercially in the U.S. by NuVasive.
#### Device Description D.
The NVJJB System utilizes conventional neurophysiologic monitoring to reduce the I he NYSD Bystem admiss overs during instrumented spine surgery. In the procedure, minulus evoked electromyography is used to determine changes in nerves. Corresponding Stimulus CVOKED Cleculonyoghaptiy 15 usee as cetrodes, while stimulation is used to detect nerve responses.
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The NeuroVision JJB System consists of a reusable Patient Module, a Control Unit The Neuro v Ision 93D Dystem control with touch screen controls and an interface card, and comprisod of an embeded compares and reusable conductive probes, electrodes, and electrode leads.
#### Intended Use E.
The NeuroVision JJB System is intended to provide stimulation of spinal nerves during The Neurovilsion JJD bystein is internet electromyographic (EMG) nerve surveillance to surgery of the spine, and madoperative electrical stimulus pulses to tissues and nerves at the assist, by administration of brief elect reason as ociated with those nerves, in the operative site, and ENIC monitorial of spinal nerves, using the System's Screw Test, Detection, and/or Free Run EMG Functions; and b) Location and identification of spinal nerves, using the System's Nerve Retraction Function.
The NeuroVision IJB System is designed for use in conjunction with other NuVasive I he redro vision 302 by wom to ecess to, and visualization of, the spinal nerve root, de vices to assist in gaming cound surrounding tissues of the spine via uniportal or biportal approach, where anatomical restrictions safely permit.
#### Comparison to Predicate Devices F.
The subject device has indications for use identical to those of its predicate, and employs the same principles of operation. Due to this equivalency, the device raises no new safety or effectiveness issues.
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### DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/2/Picture/1 description: The image shows the seal of the Department of Health & Human Services - USA. The seal is circular, with the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the perimeter. Inside the circle is an abstract image of an eagle with three stripes representing the feathers.
Public Health Service
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
JUL 1 1 2005
Ms. Laetitia Cousin Director of Regulatory Affairs and Quality Assurance NuVasive Incorporated 4545 Towne Centre Court San Diego, California 92121
Re: K051384
Trade/Device Name: NeuroVision JJB System Regulation Number: 21 CFR 882.1870 Regulation Name: Evoked response electrical stimulator Regulatory Class: II Product Code: GWF Dated: June 21, 2005 Received: June 22, 2005
Dear Ms. Cousin:
We have reviewed your Section 510(k) premarket notification of intent to market the indicati we nave reviewed your becaon 910(s) presidentially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate for use stated in the encrosule, to regally manative of the Medical Device Amendments, or to commerce prior to May 28, 1976, the encordance with the provisions of the Federal Food, Drug, devices mail have been require approval of a premarket approval application (PMA). and Cosment Act (Act) that do not require species the general controls provisions of the Act. The You may, ulerelore, market the dovres, basjon to use as annual registration, listing of general controls provisions of the rist lieveling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), If your device is classified (360 a00 v) irrols. Existing major regulations affecting your device . EDA it may be subject to saon additions. Title 21, Parts 800 to 898. In addition, FDA can be found in the Court of Peacharts concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean Please be advised that I DA 3 issuance or a becession with other requirements of the Act that FDA has made a decemmations administered by other Federal agencies. You must or any Federal Statutes and regulations annuding, but not limited to: registration and listing (21 comply with an the Act 3 requirements, mercess on anufacturing practice requirements as set CFK Fart 807), adoling (21 CFR Part 820); and if applicable, the electronic forth in the quality systems (Sections 531-542 of the Act); 21 CFR 1000-1050.
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### Page 2 – Ms. Laetitia Cousin
This letter will allow you to begin marketing your device as described in your Section 510(k)
The start of the first of all on of a lot a tick as witness of your device to a This letter will allow you to begin marketing your averalence of your device to a legally
premarket notification. The FDA finding of substantial equivalence than permits vou premarket notification. The FDA Inding of substantal of a larger and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please
rs the results of the may of 10 10 10 115 : Alles makess note the regulatio If you desire specific advice for your de nec on our ... Also, please note the regulation entitled, the may obtain contact the Office of Colliptialicc at (240) 270 - 1 (2107R Part 807.97). You may obtain
"Misbranding by reference to premarket notification the Division of Small "Misbranding by reference to pour responsibilities under the Act from the Division of Small
other general information on your responsibilities under (800) 638-204 other general information on your responsion its toll-free number (800) 638-2041 or
Manufacturers, International and Consumer Assistance at its toll-free were index html Manufacturers, International and Consumer Assistance at to votes of the results of the stress of the
Sincerely yours,
Miriam C. Provost
Miriam C. Provost, Ph.D. Acting Director Division of General, Restorative and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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## Indications for Use
K651384
510(k) Number (if known):_
Device Name:____NeuroVision JJB System
Indications For Use:
The NeuroVision JJB System is intended to provide stimulation of spinal nerves during The Neurovision JJD System is intended opprovince (EMG) neve surveillance to surgery of the spine, and miraoperative olocitical stimuly pulses to tissues and newes at the assist, by administration of biler electical called with those nerves, in
operative site, and EMG monitoring of muscle groups associated with the System's Screw operative site, and EMC mond evaluation of spiral newes, using the System's Screw
the following: a) Location and evaluation of spiral newes, using the System's single the following: a) Location and evaluation of opinal news in and identification of
Test, Detection, and/or Free Run EMG Functions; and b) Location and identification of Test, Delection, andror "Firstem's Nerve Retraction Function.
Spinal Web System is designed for use in conjunction with other NuVasive The Neurovision JJD System's designounce to, and visualization of, the spinal newe
devices to assist in gaining controlled access to, and visualization of the enjoctal on devices to assist in gaming controlled docos not to the spine via uniportal or root, foramina, into.vorteoral arestrictions safely permit.
Prescription Use (Part 21 CFR 801 Subpart D) AND/OR
Over-The-Counter Use (21 CFR 807 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Muriam C. Provost
(Division Sign-Off) Division of General, Restorative and Neurological Devices
Page 1 of 1
510(k) Number K051384
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
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.
How do you verify an AI chat answer on the device detail page?
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.