K111055 · Personal Health Institute International · OLV · Dec 21, 2011 · Neurology
Device Facts
Record ID
K111055
Device Name
GALAXY SYSTEM; JUPITER
Applicant
Personal Health Institute International
Product Code
OLV · Neurology
Decision Date
Dec 21, 2011
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 882.1400
Device Class
Class 2
Attributes
Pediatric
Indications for Use
The Galaxy System (which includes the Jupiter and Galaxy software) is intended for use as a polysomnographic system to acquire record, display, print and store physiological parameters to assist clinicians/physicians. These parameters are presented graphically on a computer screen for diagnostic review, similar in application to the use of a traditional paper based polygraph recorder. The device will be used in hospitals, institutions, sleep centers, clinics or other test environments where adults or infants require the documentation of sleep or other physiological disorders. The Galaxy system does not provide alarms and is not intended for use as an automated apnea monitor. Caution: Federal law restricts this device to sale by or on the order of a Physician.
Device Story
Galaxy System is a polysomnography device for acquiring, recording, displaying, and storing physiological parameters (EEG, EOG, EMG, ECG, respiratory effort, nasal flow, body position, snoring, oximetry). System comprises Jupiter headbox/amplifiers (models 1166/1142), ISO101 isolator, and PC-based Galaxy software. Input signals are digitized and transmitted via Ethernet to a PC. Software provides manual review, annotation, and report generation tools for clinicians. Used in hospitals, sleep centers, and clinics by physicians/technicians. Device does not provide automated scoring, alarms, or apnea monitoring. Output is graphical display of physiological traces for diagnostic review, aiding clinical decision-making for sleep disorders.
Clinical Evidence
Bench testing only. Verification and validation included amplifier functionality, impedance testing, noise, grounding, and oximeter interface. Software verified per ANSI/AAMI SW68:2001. EMC and safety testing performed per IEC 60601 series.
Technological Characteristics
Polysomnography system; 32 or 64 AC channels; 8 DC channels (model 1142). Connectivity: Ethernet/TCP/IP to PC. Power: AC-DC adapter with ISO101 patient isolation. Digital resolution: 16-bit. Sampling: 32,768 Hz (AD), 1024 Hz (output/storage). Standards: IEC 60601-1, IEC 60601-1-1, IEC 60601-1-2, IEC 60601-2-26, ANSI/AAMI SW68:2001.
Indications for Use
Indicated for adults and infants requiring documentation of sleep or other physiological disorders in clinical settings (hospitals, sleep centers, clinics). Not for use as an automated apnea monitor or life-support equipment.
Regulatory Classification
Identification
An electroencephalograph is a device used to measure and record the electrical activity of the patient's brain obtained by placing two or more electrodes on the head.
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K111055
## 510(k) Summary
## Submitter
DEC 2 1 2011
Personal Health Institute (PHI) international Rijswijkstraat 141e 1062 ES Amsterdam The Netherlands
Phone: 011 31 646104625 011 31 207071538 Fax:
#### Registration Number:
Will apply
## Contact person
Anand Kumar
#### Preparation Date
December 21, 2011
Device
Trade Name:
Galaxy System
Classification Name: Standard polysomnograph with electroencephalograph Regulation Number: 882.1400 Product Code: OLV Class II Device Class: Classification Panel: Neurology
#### Predicate Devices
Neurolink IP Model PK1117 by Natus Medical Product code: GWQ 510(k) number: K100683
Alice 5 by Respironics Product code :GWQ 510(k) number: K04059
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# Device Description
The Galaxy system (which includes the Jupiter and Galaxy software) is a Polysomnography System that is intended to acquire, record, display and print physiological information to clinicians/physicians. These parameters are presented graphically on a computer screen for diagnostic review, similar in application to the use of a traditional paper based polygraph recorder. The device will be used in hospitals, institutions, sleep centers or clinics, or other test environments where adults or infant patients require the documentation of various sleep or other physiological disorders.
The system can record, monitor, store and transfer of up to 42 channels of biophysical parameters. Generally the device is capable of acquiring and displaying the following parameters:
- EEG .
- EOG (eye movement) ●
- Chin EMG .
- . Leg EMG (leg movement)
- ECG (single channel) ●
- . Chest respiratory effort
- . Abdomen respiratory effort
- . Nasal Flow Thermistor
- . Nasal Flow Pressure
- . Body position
- . Snoring
- Oximeter .
- . Patient "Event" button
The components of the Galaxy system include:
- Headbox/Amplifiers (i.e., "BrainBox EEG amplifier, "Touchproof connector box", "Jupiter 1. amplifier") – Galaxy can support two amplifier/headbox models, 1166 and 1142. Both models are electrically exactly the same, except for the differences between the number of channels. Channel characteristics of each of the two available amplifiers are as follows:
| | Model 1166 | Model 1142 |
|----------------------------------------------------------------------------------------------|-----------------------------------------------------------|-----------------------------------------------------------|
| AC Channels (e.g., EEG, EOG, EMG, nasal flow<br>pressure, body position, respiratory effort) | 64 | 32 |
| DC Channels (e.g., body position) | 0 | 8 |
| Oximetry and Event button connection | Yes | Yes |
| Total number of connectable electrodes/ sensors<br>used for data collection | 66 | 42 |
| Number of grounds | 2 (G1, G2 - for<br>"common<br>reference<br>and<br>ground" | 2 (G1, G2 - for<br>"common<br>reference<br>and<br>ground" |
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- 2. Ethernet Interface connects the power supply and IP connections with the amplifiers (through the "Isolator") for converting serial data of the amplifier to the Ethernet data of the PC.
- Isolator (ISO101) Isolates the AC power and Ethernet signals for patient safety. 3.
- Connecting Wires the amplifiers and isolator are connected with a "BrainBus" serial 4. interface; the Isolator and Ethernet Interface are connected with a "BrainNet Connector".
- Desktop Computer Receives the EEG data through the Ethernet and TCP/IP connection from 5. the "Amplifier" and then stores and displays it to the user. It also serves as the user interface for the device (receiving and implementing commands from the user).
- 6. Electrodes Third party electrodes and sensors such as surface electrodes compatible with 32 AC inputs by means of touch-proof connectors, "Nonin oximeter (XPOD3012)," and "respiratory effort sensors" can be used with the system, but these sensors are not provided with the device. Only sensors specifically tested and verified for use with the device should be used and are listed in the user's manual.
The interconnections of the components of the Amplifier are shown below:
Image /page/2/Figure/6 description: The image shows a setup of EEG equipment. There is an isolator labeled ISO-101, and a main amplifier labeled EEG 1142 or PSG 1142. There is also an input box labeled INBOX-1142 A. Cables connect the devices, including an Ethernet cable connected to a PC and a cable connecting to Isolator ISO-101.
Figure 1: Jupiter Hardware Set-up
All the connections and functions are exactly similar to the predicate device Natus Neurolink IP 1117. The Galaxy software does not support the control of the flash unit and the digital I/O.
- 7. Galaxy Software The Galaxy software's main functionalities include the following:
- a. Record and display signals Collect and display PSG parameters. Plot acquired data on screen (within a time window of 30 seconds) and store on hard-disk of computer.
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- b. Provide tools for Manual Review of Data Allow the user to review and manually analyze data, edit this analysis and delete the entered events if needed. Software also displays the user annotations along with the signal traces, as trend overview over the night and as a list, and allows the user to review the acquired data after the completion of the recording to examine and annotate afterwards (offline).
- c. Generate Patient Reports The software calculates summaries of the manually scored data and print them as tabulated reports and shows simple computer calculations like average value, rates etc ...
Galaxy also has the following additional functions:
- changing the mode of the amplifier for calibration, impedance check or data acquisition .
- sending commands to set sample rate of the digitization, to specify the recording montage . and to receive data from the Jupiter amplifier via Ethernet interface.
Image /page/3/Figure/5 description: The image shows a polysomnography (PSG) report, which is a sleep study. The report is divided into several panes, including a label pane, a signal pane, a trend pane, an event pane, and a hypnogram. The signal pane displays various physiological signals, such as EKG, SaO2, and EEG. The hypnogram shows the different sleep stages throughout the night, and the event pane lists various events that occurred during the sleep study, such as desaturations and arousals.
A screen shot below shows the features of Galaxy.
Figure 2: Sample Galaxy Software output screen
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The device does not provide any automatic scoring algorithms.
### Intended Use
The Galaxy System (which includes the Jupiter and Galaxy software) is intended for use as a polysomnographic system to acquire record, display, print and store physiological parameters to assist clinicians/physicians. These parameters are presented graphically on a computer screen for diagnostic review, similar in application to the use of a traditional paper based polygraph recorder. The device will be used in hospitals, institutions, sleep centers, clinics or other test environments where adults or infants require the documentation of sleep or other physiological disorders. The Galaxy system does not provide alarms and is not intended for use as an automated apnea monitor.
Caution: Federal law restricts this device to sale by or on the order of a Physician.
## Technological Characteristics
The comparison table is provided as a summary of the technological characteristics relative to the predicate devices. The items like Intended use, principle of operation, are compared. The summary of this comparison table demonstrates that the Galaxy System has no significant differences from the predicate devices that would adversely affect product safety and effectiveness.
#### Testing
The Galaxy System has been tested and verified in various phases, internal testing, verification and validation as well as external testing and validation. The device passed verification and validation testing that includes tests for amplifier voltages and functioning, flash memory, pulse width specifications, impedance testing, channel outputs with and without input signals, noise, electrode grounding, and oximeter interface functionality.
The design was verified throughout the design process. Risk analysis was done, appropriate measures were implemented and their effectiveness verified. The external test house DARE was used to confirm compliance to EMC requirements.
Safety Tests have been performed to verify compliance with IEC 60601-1-1 and IEC 60601-2-26 to ensure that there are no potential hazards on patients, other persons, or the surroundings. Electromagnetic Compatibility tests according to IEC 60601-1-2 have been performed to ensure no intolerable magnetic disturbances are introduced into its electromagnetic environment. Immunity tests to IEC 60601-1-2 have been performed to ensure that the EEG equipment has the ability to operate satisfactorily in its electromagnetic environment.
The Galaxy system was tested for displaying and printing of signals and scoring. These tests were performed at the work-bench by developers, in the factory by developers and in the field by sleep-technicians and researchers. The standard ANSI/AAMI SW68: 2001 Medical Device Software - Software Life Cycle Processes was used as advisory standard for the development and testing of all software functions.
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# Substantial Equivalence Comparison Table
| Characteristics | Galaxy | Alice 5 | Neurolink IP Model<br>PK 1117 |
|----------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| | | | K100683 |
| 510 (K) ID | K111055 | K040595 | K100683 |
| Device<br>Classification | II | II | II |
| Product Code | OLV | GWQ | GWQ |
| Classification<br>Panel | Neurology | Neurology | Neurology |
| Intended use | The Galaxy System(Software<br>and Jupiter Amplifier) is<br>intended for use as a<br>polysomnographic system to<br>acquire record, display; print<br>and store physiological<br>parameters to assist<br>clinicians/physicians. These<br>parameters are presented<br>graphically on a computer<br>screen for diagnostic review,<br>similar in application to the<br>use of a traditional paper<br>based polygraph recorder.<br>The device will be used in<br>hospitals, institutions, sleep<br>centers or clinics or other test<br>environments where adults<br>or infants require the<br>documentation of sleep or<br>other physiological disorders.<br>The Galaxy system does not<br>provide alarms and is not<br>intended for use as an<br>automated apnea monitor.<br>Caution: This device is to be<br>used under the supervision of<br>a physician. | The Alice 5 System is a<br>Polysomnographic System<br>that is intended to record,<br>display, and print<br>physiological parameters to<br>clinicians/physicians. These<br>parameters are presented<br>graphically on a computer<br>screen for diagnostic review,<br>similar in application to the<br>use of a traditional paper<br>based polygraph recorder. The<br>device will be used in<br>hospitals, institutions, sleep<br>centers or clinics, or other test<br>environments where adult or<br>infant patients require the<br>documentation of various<br>sleep or other physiological<br>disorders.<br>The device does not provide<br>alarms and is not intended for<br>use as an automated apnea<br>monitor.<br>This device is to be used<br>under the supervision of a<br>physician. | Neurolink IP model PK1117<br>is intended to be used as an<br>electroencephalograph to<br>acquire, digitize and<br>transmit<br>electroencephalographic<br>and other physiological<br>signals (such as pulse and<br>oximetry) for EEG in<br>research and clinical<br>environments.<br>This device is to be used<br>under the supervision of a<br>physician. |
| Note | Electrophysiological characteristics of the Jupiter Amplifier are technically the same to both<br>predicates.<br>The software functions of Galaxy are functionally equivalent to Alice5. | | |
| Warning | Do not use in conjunction<br>with a defibrillator and<br>stimulators.<br>Do not use in conjunction<br>with medical imaging devices | Not known | Do not use in conjunction<br>with a defibrillator and<br>stimulators.<br>Do not use in conjunction<br>with medical imaging<br>devices. |
| Contra<br>indications | This device does not provide<br>alarms and is not intended<br>for use as an automated<br>apnea monitor. The software<br>is not intended for use as a<br>life-support equipment like<br>vital signs monitoring | This device does not provide<br>alarms and is not intended<br>for use as an automated<br>apnea monitor. | The device is not intended<br>for use as a life support<br>equipment such as vital<br>signs monitoring in<br>intensive care units |
| Characteristics | Galaxy | Alice 5 | Neurolink IP Model<br>PK 1117 |
| 510 (K) ID | K111055 | K040595 | K100683 |
| Prescription use | Yes | Yes | Yes |
| Contact of device<br>with patient body | None | None | None |
| Environment | The device can be used in<br>hospitals, institutions, sleep<br>centers or other similar<br>environments where patients<br>require the documentation of<br>various sleep or other<br>physiological disorders. | The device will be used in<br>hospitals, institutions, sleep<br>centers or clinics, or other<br>test environments where<br>adults or infant patients<br>require the documentation<br>of various sleep or other<br>physiological disorders. | Neurolink can be used in<br>hospital environment and<br>clinics. |
| Environmental<br>Conditions | Normal: +5 to +40°C, max<br>80% rH non-condensing,<br>700-1060hPa | Not known | Normal: +5 to +40°C, max<br>80% rH non-condensing,<br>700-1060hPa |
| Data input types | ECG, neurological, respiratory | ECG, neurological,<br>respiratory | Neurological, othe<br>physiological |
| No. of AC<br>Channels | 32 or 64 (neurological or<br>physiological) | 26 neurological, 10<br>physiological | 64 neurological |
| AD sample rate | 32,768 | 2000 | 32,768 |
| Output Sample<br>Rate | 1024 | 2000 | 1024 |
| Storage rate | 1024 | 200 | 1024 |
| Digital resolution | 16bits | 16bits | 16bits |
| Oximeter channel | Yes | Yes | Yes |
| No. of DC<br>Channels | 8 (for patient safe sensors<br>like body position) for 1142<br>model. | 12 | None |
| Connection to<br>patient | By means of sensors like EEG,<br>ECG, EMG electrodes to AC<br>inputs In addition, some of<br>the AC inputs are used to<br>connect to external patient<br>safe sensors like respiration | By means of sensors like<br>EEG, ECG, EMG electrodes to<br>AC inputs.<br>In addition, some of the AC<br>inputs are used to connect to<br>external patient safe sensors<br>like respiration. | By means of sensors like<br>EEG, electrodes to AC inputs. |
| Connections for<br>42 channel<br>amplifier | 32 AC connections for<br>EEG/EOG/EMG/ECG. Active<br>sensors can be connected to<br>AC channels<br>8 DC channels for other<br>physiological sensors<br>Oximeter<br>Event | 26AC channels for<br>EEG/EOG/EMG/ECG. Active<br>sensors can be connected to<br>AC channels<br>10 DC channels for other<br>physiological signals<br>Oximeter<br>Event | Not applicable<br>-no-<br>Oximeter<br>Event |
| Connections for<br>64 AC channel | 64 AC connections for<br>EEG/EOG/EMG/ECG. Active<br>sensors can be connected to<br>AC channels<br>NO DC channels<br>Oximeter | Not Applicable<br>Not Applicable<br>Oximeter | 64 AC connections for EEG<br>NO DC channels<br>Oximeter |
| List of | | | |
| Characteristics | Galaxy | Alice 5 | Neurolink IP Model |
| | | | PK 1117 |
| 510 (K) ID | K111055 | K040595 | K100683 |
| Main amplifier<br>unit | JUPITER: Separate Brainbox<br>EEG-1166 for 64channel AC,<br>oximetery and event<br>This can be used in<br>neurological disorders during<br>sleep. | None | Brainbox EEG1166 for 64<br>channel AC, oximetery and<br>event |
| Main amplifier<br>unit | Brainbox EEG1142 for 32<br>Channel AC and 8 Channel<br>DC, oximetery and event | Base Station | Not supported |
| Patient<br>connection box | 1142 or 1166 input box | Patient headbox…
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.