K101518 · Mirador Biomedical, Inc. · DRS · Oct 13, 2010 · Cardiovascular
Device Facts
Record ID
K101518
Device Name
COMPASS VASCULAR ACCESS; COMPASS LUMBAR PUNCTURE
Applicant
Mirador Biomedical, Inc.
Product Code
DRS · Cardiovascular
Decision Date
Oct 13, 2010
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 870.2850
Device Class
Class 2
Indications for Use
The Compass™ Vascular Access is a disposable pressure transducer with integrated digital display intended for direct measurement and monitoring of invasive blood pressure. The Compass™ Lumbar Puncture is a disposable pressure transducer with integrated digital display intended for direct measurement and monitoring of intracranial pressure.
Device Story
Compass is a disposable, point-of-use pressure measurement device. It attaches distally to an inserted needle or catheter. It uses an embedded pressure sensor to measure physiologic pressure, converts pressure changes into electrical currents, and displays the value on an integrated LCD. The Vascular Access (VA) model displays mmHg and includes a proximal port for guidewire insertion; the Lumbar Puncture (LP) model displays cmH2O. Used by clinicians in clinical settings to provide real-time pressure data during invasive procedures. Output allows immediate monitoring of blood or intracranial pressure, aiding clinical decision-making during needle/catheter placement.
Clinical Evidence
Bench testing included biocompatibility (ISO 10993-1), functional testing (ANSI/AAMI BP22:1994(R)2006, ISO 594-1/2), electrical/EMC, and simulated use. In vivo animal study (swine model) compared Compass VA/LP performance against the Shenzhen DPT predicate for arterial, venous, and intracranial pressure measurements. Results demonstrated accurate measurement and monitoring equivalent to the predicate device.
Technological Characteristics
Disposable pressure transducer with integrated LCD. Materials tested per ISO 10993-1. Sensing principle: embedded pressure sensor converting pressure to electrical current. VA model includes proximal port for guidewires. Connectivity: standalone. Power: battery-operated. Standards: ANSI/AAMI BP22:1994(R)2006, ISO 594-1, ISO 594-2.
Indications for Use
Indicated for direct measurement and monitoring of invasive blood pressure (Vascular Access model) or intracranial pressure (Lumbar Puncture model) in patients requiring such monitoring during vascular access or lumbar puncture/intraventricular catheter procedures.
Regulatory Classification
Identification
An extravascular blood pressure transducer is a device used to measure blood pressure by changes in the mechanical or electrical properties of the device. The proximal end of the transducer is connected to a pressure monitor that produces an analog or digital electrical signal related to the electrical or mechanical changes produced in the transducer.
Stryker Intra-Compartmental Pressure Monitor System (K844214)
Submission Summary (Full Text)
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K101518
OCT 1 3 2010
Image /page/0/Picture/2 description: The image shows the logo for Mirador Biomedical. The logo consists of the letters "MB" with a stylized design around them. To the right of the letters is the company name, "Mirador Biomedical", written in a simple, sans-serif font. The word "Biomedical" is outlined.
### SECTION 5: 510(k) SUMMARY
In accordance with the requirements of 21 CFR 807.92(c) Mirador Biomedical, Inc. (hereafter "Mirador") has prepared this 510(k) Summary to provide information supporting the substantial equivalence of the Mirador Compass™.
### General Information:
| Date of Summary Preparation: | June 1, 2010 |
|-----------------------------------|-----------------------------------------------------------------------------------------------|
| Name and Address of Manufacturer: | Mirador Biomedical, Inc.<br>2815 Eastlake Ave Suite 300<br>Seattle, Washington 98102 |
| Contact Person: | Justin Hulvershorn, MD, PhD<br>Chief Science Officer<br>Phone: (206) 295-3372 |
| Trade Names: | CompassTM Vascular Access<br>CompassTM Lumbar Puncture |
| Common Name: | Disposable Pressure Transducer |
| Device Classification: | Extravascular Blood Pressure Transducer<br>Single-Function, Preprogrammed Diagnostic Computer |
| Classification Panel: | Cardiovascular |
| CFR Reference: | 870.2850<br>870.1435 |
| Product Code: | DRS<br>DXG |
| Device Class: | Class II |
Mirador Biomedical, Inc.
510(k) SUMMARY
Page 18 of 716
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Device Description: The Compass is a disposable, point-of-use pressure measurement and monitoring device that incorporates a pressure transducer and an integrated pre-programmed diagnostic computer with liquid crystal display (LCD). The Compass is provided as two different models, each corresponding to a specific indication for use:
- (1) The Compass Vascular Access (VA) is for invasive blood pressure measurement and monitoring during the insertion of vascular access devices.
- (2) The Compass Lumbar Puncture (LP) is for intracranial pressure measurement and monitoring via lumbar puncture or intraventricular catheter.
Both models are designed to attach distally to an inserted needle or catheter, measure the pressure via an embedded pressure sensor, internally convert changes in pressure into electrical currents, and then display the resulting pressure via the integrated LCD.
The Compass VA and Compass LP devices are identical except for two differences: 1) the measurement units in which the pressure is displayed on the LCD (mm Hg for blood pressure measurements with the Compass VA and cm H2O for intracranial pressure measurements with the Compass LP), and 2) the Compass VA blood pressure monitoring device has a proximal port through which commercially available guidewires can be inserted during pressure measurement.
Indications for Use: Consistent with the above device description, the Compass VA and Compass LP devices respectively possess the following indications for use:
- . The Compass™ Vascular Access is a disposable pressure transducer with integrated digital display intended for direct measurement and monitoring of invasive blood pressure.
The Compass™ Lumbar Puncture is a disposable pressure transducer with integrated digital display intended for direct measurement and monitoring of intracranial pressure.
Substantially Equivalent Predicate Devices: The Compass VA and Compass LP are substantially equivalent to the following legally marketed devices with respect to classification, design principles and/or indications for use:
- Shenzhen Disposable Pressure Transducer K091408 ●
- Vigileo APCO/Oximetry Monitor and DDPT K043065 .
- Stryker Intra-Compartmental Pressure Monitor System K844214 .
Device Testing: Performance testing of the Compass VA and Compass LP devices included in vitro (bench), biocompatibility, packaging, sterilization, software validation, electrical/EMC, and in vivo animal.
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All testing was completed per Mirador Biomedical's in-house test methods, protocols, and requirements or in accordance with applicable recognized standards by accredited outside laboratories.
Biocompatibility testing was completed per ISO 10993-1 and included cytotoxicity, hemolysis, acute systemic toxicity, intracutaneous reactivity, sensitization and pyrogenicity.
With respect to device performance, this included, but was not limited to, applicable functional testing per ANSI/AAMI BP22:1994(R)2006, ISO 594-1 and ISO 594-2. A listing of all in vitro performance testing is as follows:
- Luer Fittings ●
- Mechanical Strength and Durability .
- . Power Switch
- Dimensional and Weight Verification ●
- Battery Life .
- . Pressure Overrange Capability
- Pressure Accuracy
- Drift, Temperature Error Band, and Temperature Error Band of Sensitivity .
- . Light Sensitivity
- . Frequency Response
- Guidewire Testing .
- Spillage
- Safety .
- Simulated Use Testing Vascular Access ●
- Simulated Use Testing Lumbar Puncture .
The results from this in vitro testing demonstrate that the technological and performance characteristics of the Compass VA and Compass LP devices meet defined design requirements and that they can perform in a manner equivalent to devices currently on the market used for measuring and monitoring invasive blood pressure and intracranial pressure.
The in vivo animal study was completed using a swine model and assessed performance of the Compass VA to measure arterial and venous blood pressures and the Compass LP to measure intracranial pressures via lumbar puncture. The predicate Shenzhen DPT pressure sensor was used for relative comparison. The results of this study demonstrate that the Compass VA and Compass LP devices can each be used as intended to accurately measure and monitor their labeled physiologic pressures (i.e., invasive blood pressure of intracranial pressure) in a manner equivalent to the predicate device.
Conclusion (Statement of Equivalence): The data and information presented within this submission support a determination of substantial equivalence, and therefore market clearance of Compass VA and Compass LP devices.
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## DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/3/Picture/1 description: The image shows the seal of the Department of Health & Human Services USA. The seal features a stylized eagle with three lines representing its wings and tail feathers. The eagle is positioned above a wavy line, possibly representing water. Encircling the eagle is the text "DEPARTMENT OF HEALTH & HUMAN SERVICES USA" in a circular arrangement.
#### Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Room -WO66-G609 Silver Spring, MD 20993-0002
OCT 1 3 2010
Mirador Biomedical, Inc. c/o Dr. Justin Hulvershorn Chief Science Officer 2815 Eastlake Avenue Suite 300 Seattle, WA 98102
Re: K101518
Trade/Device Name: Compass Vascular Access and Compass Lumbar Puncture Regulation Number: 21 CFR 870.2850 Regulation Name: Extravascular Blood Pressure Transducer Regulatory Class: Class II (two) Product Code: DRS, DXG Dated: August 24, 2010 Received: August 25, 2010
Dear Dr. Hulvershorn:
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.
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.
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Page 2 - Dr. Justin Hulvershorn
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical device-related adverse events} (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please go to http://www.fda.gov/AboutFDA/CentersOffices/CDRH/CDRHOffices/ucm115809.htm for the Center for Devices and Radiological Health's (CDRH's) Office of Compliance. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
Bram D. Zuckerman, M.D. Director Division of Cardiovascular Devices Office of Device Evaluation Center for Devices and Radiological Health .
Enclosure
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# SECTION 4: INDICATIONS FOR USE
510(k) Number (if known):
Device Names: Compass™ Vascular Access Compass™ Lumbar Puncture
### Indications for Use:
The Compass™ Vascular Access is a disposable pressure transducer with integrated digital display intended for direct measurement and monitoring of invasive blood pressure.
10/5
The Compass™ Lumbar Puncture is a disposable pressure transducer with integrated digital display intended for direct measurement and monitoring of intracranial pressure.
Prescription Use X (Part 21 CFR 801 Subpart D)
AND/OR
Over-The-Counter Use (Part 21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE OF NEEDED) :
Concurrence of CDRH, Office of Device Evaluation (ODE)
| (Division Sign-Off) | |
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| Division of Cardiovascular Devices | |
| 10(k) Number | K101518 |
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| Page | 1 of 1 |
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Mirador Biomedical, Inc.
CONFIDENTIAL
Page 17 of 716
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.