The INVOS™ Patient Monitor, model PM7100, is a noninvasive cerebral/somatic oximetry system intended for use as an adjunct monitor of regional hemoglobin oxygen saturation of blood in the brain or in other tissue beneath the sensor. It is intended for use on individuals greater than 40 kg at risk for reduced-flow or no-flow ischemic states. The INVOS™ Adult rSO2 Sensor is indicated for single patient use when cerebral/somatic monitoring of site-specific regional oxygen saturation (rSO2) is required in patients weighing >40 kilograms. This sensor is only intended to be used with INVOS™ Near Infrared Spectroscopy (NIRS) technology including monitoring systems and devices integrated with INVOS™ NIRS technology. For additional information regarding setup and use of the INVOS™ System including indications for use, contraindications, warnings and cautions, consult the Monitoring System Operator's Manual.
Device Story
INVOS PM7100 is a noninvasive cerebral/somatic oximetry system; uses near-infrared diffuse reflectance spectroscopy. Input: light absorption signals from four wavelengths via adhesive sensors applied to skin. Processing: two wavelengths estimate hemoglobin oxygen saturation; two wavelengths detect sensor on/off status. Photodiode signals from deeper tissue are isolated by subtracting signals from shallower photodiodes to remove skin/subcutaneous interference. Output: real-time rSO2 values displayed on a multi-channel touch screen. Used in clinical settings by healthcare providers to monitor patients at risk for ischemia. Output assists clinicians in assessing tissue oxygenation status to guide clinical decision-making. Benefits include noninvasive, site-specific monitoring of regional oxygen saturation.
Clinical Evidence
Three clinical studies conducted: rSO2 trend equivalence, sensor backward compatibility, and sensor on/off detection. Studies demonstrated rSO2 trend precision and accuracy comparable to the predicate device. Sensor on/off study confirmed the algorithm effectively detects sensor status. Bench testing with simulated patient data supported clinical findings. No adverse safety signals reported.
Indicated for patients >40 kg at risk for reduced-flow or no-flow ischemic states requiring cerebral or somatic regional oxygen saturation (rSO2) monitoring. Contraindicated for patients with adhesive tape allergies.
Regulatory Classification
Identification
An oximeter is a device used to transmit radiation at a known wavelength(s) through blood and to measure the blood oxygen saturation based on the amount of reflected or scattered radiation. It may be used alone or in conjunction with a fiberoptic oximeter catheter.
Predicate Devices
INVOS™ Cerebral/Somatic Oximeter System, Model 5100C (K082327)
Submission Summary (Full Text)
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Covidien llc Samir Ibrahim Regulatory Affairs Manager 6135 Gunbarrel Avenue Boulder, Colorado 80301
January 8, 2019
# Re: K182868
Trade/Device Name: INVOS PM7100 Patient Monitor, INVOS Adult rSO2 Sensor Regulation Number: 21 CFR 870.2700 Regulation Name: Oximeter Regulatory Class: Class II Product Code: MUD. OEM Dated: October 11, 2018 Received: October 12, 2018
Dear Samir Ibrahim:
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. Although this letter refers to your product as a device, please be aware that some cleared products may instead be combination products. The 510(k) Premarket Notification Database located at https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpmn/pmn.cfm identifies combination product submissions. 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 of medical device-related adverse events) (21 CFR 803) for
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devices or postmarketing safety reporting (21 CFR 4, Subpart B) for combination products (see https://www.fda.gov/CombinationProducts/GuidanceRegulatoryInformation/ucm597488.html; good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820) for devices or current good manufacturing practices (21 CFR 4, Subpart A) for combination products, and, if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
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 comprehensive regulatory information about medical devices and radiation-emitting products, including information about labeling regulations, please see Device Advice (https://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/) and CDRH Learn (http://www.fda.gov/Training/CDRHLearn). Additionally, you may contact the Division of Industry and Consumer Education (DICE) to ask a question about a specific regulatory topic. See the DICE website (http://www.fda.gov/DICE) for more information or contact DICE by email (DICE@fda.hhs.gov) or phone (1-800-638-2041 or 301-796-7100).
Sincerely,
Digitally signed by Neil R Neil R Ogden -S Ogden -S 10:02:10 -05'00'
For Binita S. Ashar, M.D., M.B.A., F.A.C.S. Director Division of Surgical Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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# Indications for Use
## 510(k) Number (if known) K182868
Device Name INVOS™ PM7100 Patient Monitor INVOSTM Adult rSO2 Sensor
#### Indications for Use (Describe)
The INVOS™ Patient Monitor, model PM7100, is a noninvasive cerebral/somatic oximetry system intended for use as an adjunct monitor of regional hemoglobin oxygen saturation of blood in the brain or in other tissue beneath the sensor. It is intended for use on individuals greater than 40 kg at risk for reduced-flow or no-flow ischemic states.
The INVOS™ Adult rSO2 Sensor is indicated for single patient use when cerebral/somatic monitoring of site-specific regional oxygen saturation (rSO2) is required in patients weighing >40 kilograms. This sensor is only intended to be used with INVOS™ Near Infrared Spectroscopy (NIRS) technology including monitoring systems and devices integrated with INVOS™ NIRS technology. For additional information regarding setup and use of the INVOS™ System including indications for use, contraindications, warnings and cautions, consult the Monitoring System Operator's Manual.
| Type of Use (Select one or both, as applicable) | |
|---------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------|
| <div> <span style="font-size: 10pt;"> <span style="text-decoration: overline;">Prescription Use (Part 21 CFR 801 Subpart D)</span> </span> </div> | <div> <span style="font-size: 10pt;">Over-The-Counter Use (21 CFR 801.109)</span> </div> |
| 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
In accordance with the Food and Drug Administration Rule to implement provisions of the Safe Medical Devices Act of 1990 and in conformance with 21 CFR 807.92, provided is the 510(k) summary for INVOS™ PM7100 Patient Monitor.
## SUBMITTER INFORMATION:
| Submitted By: | Covidien IIc<br>6135 Gunbarrel Avenue<br>Boulder, CO 80301 |
|----------------------|------------------------------------------------------------|
| Contact: | Samir Ibrahim<br>Manager Regulatory Affairs |
| Phone: | (720) 253-2752 |
| Fax: | (303) 305-2212 |
| Date of Preparation: | October 11, 2018 |
# Device Name:
| Trade Name(s): | INVOS TM PM7100 Patient Monitor |
|----------------------|----------------------------------|
| Common/Usual Name: | Cerebral Somatic Tissue Oximeter |
| Classification: | Class II |
| Classification Name: | Oximeter |
| CFR Reference: | 21 CFR 870.2700 |
| Product Code: | MUD and QEM |
| PREDICATE DEVICE: | |
| Manufacturer: | Covidien llc |
| Manufacturer: | Covidien llc |
|-----------------|--------------------------------------------------------|
| Device Name: | INVOS TM Cerebral/Somatic Oximeter System, Model 5100C |
| 510(k) Number: | K082327 |
| Clearance Date: | April 3, 2009 |
### Device Description:
The INVOS™ PM7100 Patient Monitor is a cerebral/somatic tissue oximeter that utilizes a near infrared diffuse reflectance spectroscopy system employing near infrared light at four wavelengths. Two wavelengths are used to estimate the percentage of hemoglobin saturated with oxygen in tissue underneath the sensor. Near infrared light at two additional wavelengths are used for the sensor on/off detection algorithm.
The subject device is non-sterile and consists of a multi-channel touch screen display, preamplifier, cables, and a single use sensor.
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The device utilizes up to four detachable sensors to collect signals. Up to two preamplifiers receive signals from the sensors, digitize the signals, process the data and then estimate the current rSO2 at each sensor site. The preamplifiers then transmit the measured parameter data to the monitor where the information is displayed.
# Accessories:
| INVOSTM Adult rSO2 Sensor, PM7100 and 5100C | PMSENS71-A |
|----------------------------------------------------|-----------------|
| INVOSTM Reusable Sensor Cable for PM7100 | PMAC71RSC |
| INVOSTM Docking Station, PM7100 | PMAC71DOC |
| INVOSTM Patient Monitor Stand, PM7100 | PMAC71STAND |
| INVOSTM Reusable Sensor Cable for 5100C, Channel 1 | PMAC71RSC-L-CH1 |
| INVOSTM Reusable Sensor Cable for 5100C, Channel 2 | PMAC71RSC-L-CH2 |
| INVOSTM Reusable Sensor Cable for 5100C, Channel 3 | PMAC71RSC-L-CH3 |
| INVOSTM Reusable Sensor Cable for 5100C, Channel 4 | PMAC71RSC-L-CH4 |
# INDICATIONS FOR USE:
The INVOS™ Patient Monitor, model PM7100, is a noninvasive cerebral/somatic oximetry system intended for use as an adjunct monitor of regional hemoglobin oxygen saturation of blood in the brain or in other tissue beneath the sensor. It is intended for use on individuals greater than 40 kg at risk for reduced-flow or no-flow ischemic states.
The INVOS™ Adult rSO2 Sensor is indicated for single patient use when cerebral/somatic monitoring of site-specific regional oxygen saturation (rSO2) is required in patients weighing > 40 kilograms. This sensor is only intended to be used with INVOS™ Near Infrared Spectroscopy (NIRS) technology including monitoring systems and devices integrated with INVOS™ NIRS technology. For additional information regarding setup and use of the INVOS™ System including indications for use, contraindications, warnings and cautions, consult the Monitoring System Operator's Manual.
### CONTRAINDICATIONS
The INVOS™ Adult rSO2 sensor is contraindicated for use on patients who exhibit allergic reactions to the adhesive tape.
### TECHNOLOGICAL CHARACTERISTICS SUMMARY:
The INVOS™ PM7100 Patient Monitor is a four wavelength, diffuse reflectance spectroscopy system employing near infrared light. Two wavelengths of near infrared light are used to estimate the percentage of hemoglobin saturated with oxygen in tissue underneath the sensor and two additional wavelengths are used for sensor on/off detection. An adhesive sensor containing four LED light sources and two photodiodes is applied to the skin over cerebral and somatic tissue and the returning light from two LEDs is analyzed for oxyhemoglobin and deoxyhemoglobin light absorption signals from the photodiode closer to the light source are subtracted from the farther photodiode where the returning photons penetrate more deeply in the tissue. This removes the impact of absorption events originating in the outer layers of tissue that are common to both photodiodes, including the effects of skin pigmentation and subcutaneous tissues.
# SUBSTANTIAL EQUIVALENCE STATEMENT:
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The INVOS™ PM7100 Patient Monitor has the same intended use and indications for the adult population > 40 kg, principles of operation and technological characteristics as the predicate device. The changes in the display, preamplifier and senor do not raise any new questions of safety or effectiveness. Performance data demonstrates that the INVOS™ PM7100 Patient Monitor and the INVOS™ Adult rSO₂ Sensor are equivalent to the predicate.
# Performance Data Summary:
### NONCLINICAL TESTING:
The INVOS™ PM7100 Patient Monitor was designed and bench tested against the performance categories noted below. When available, the applicable standards and guidance documents were used for design and testing in support of substantial equivalence.
| Bench Test<br>Category | Guidance/Standard |
|----------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Essential<br>Performance | EN 60601-1 |
| Electrical Safety | IEC 60601-1 |
| Electromagnetic<br>Compatibility | IEC 60601-1-2<br>FDA Guidance Electromagnetic Compatibility of Electrically-Powered Medical Devices |
| Usability | IEC 60601-1-6<br>IEC 62366<br>FDA Guidance Applying Human Factors and Usability Engineering to Medical Devices<br>Draft Guidance |
| Alarm | IEC 60601-1-8 |
| Optical Safety | IEC 62471 |
| Software | IEC 62304<br>FDA Guidance for the Content of Premarket Submissions for Software Contained in<br>Medical Devices<br>FDA Guidance General Principles of Software Validation<br>FDA Guidance Off-The-Shelf Software Use in Medical Devices |
| Biocompatibility | ISO 10993-1 |
| Mechanical and<br>Environmental | IEC 60601-1 |
| Cybersecurity | FDA Guidance Content of Premarket Submissions for Management of Cybersecurity in<br>Medical Devices |
#### CLINICAL TESTING:
Three clinical studies were conducted and completed, rSO2 trend equivalence, sensor backward compatibility and sensor on/off in support the INVOS™ PM7100 Patient Monitor.
An rSOz trend equivalence clinical study was performed to demonstrate the rSO2 trend precision between the INVOS™ PM7100 and the predicate device. A secondary analysis of the data for the system comparison of accuracy and precision to support device equivalency was conducted and demonstrated that rSO2 values of subject and predicate are comparable. The INVOS™ PM7100 maintains the same fundamental rSO2 technology as its predicate i.e., the same rSO2 algorithm and the same optical and
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electrical signal chain.
A sensor backwards compatibility clinical test was performed to demonstrate that the new PMSENS71-A sensor trend accuracy is equivalent to the trend accuracy of the SAFB-SM sensor when used with the INVOS™ 5100C. A secondary analysis of the system comparison of accuracy and precision to support PMSENS71-A sensor equivalency was conducted and demonstrated that rSO2 values of both sensors are comparable. The test supports the use of the PMSENS71-A sensor with the INVOS™ 5100C.
A sensor on/off detection clinical study was conducted to demonstrate that the new sensor and the new sensor on/off algorithm are capable of detecting sensor off conditions on clinical study subjects.
The clinical studies paired with a bench study using simulated patient data demonstrate that the INVOS™ PM7100 Patient Monitor meets the same trend performance as the predicate device, the new sensor on/off feature functions as intended, and the new sensor is backwards compatible with the predicate device and is therefore deemed substantially equivalent to the predicate device.
# CONCLUSION
Results from comprehensive verification and validation testing of a system design analysis, a bench-top tissue phantom test, trend performance validation clinical study, and a backward compatibility validation clinical study demonstrated that the INVOS™ PM7100 Patient Monitor is substantially equivalent to the predicate device with respect to clinical use case, characteristics, and performance. This equivalence allows for the subject device to support the same claims (adult only) and indications for use as the predicate device.
The result from the sensor on/off clinical study proves that the INVOS™ PM7100 Patient Monitor can effectively detect when the sensor is on and when the sensor is off the patient.
The results from the human factors validation have shown that the updated monitor/user interface with a touch screen display improves user-friendliness of the system but doesn't introduce unforeseen risk to the subject device.
The information provided in this 510(k) demonstrates the INVOS™ PM7100 Patient Monitor is substantially equivalent to the predicate device with respect to performance.
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.