U60 Series Wrist Electronic Blood Pressure Monitor is intended to measure the systolic and diastolic blood pressure as well as the pulse rate of adult person via non-invasive oscillometric technique in which an inflatable cuff is wrapped around the wrist. It can be used at medical facilities or at home. The intended wrist circumference is 13.5-21.5 cm.
Device Story
Battery-powered, automatic wrist-worn blood pressure monitor; utilizes oscillometric technique via inflatable cuff. Device automatically manages inflation, deflation, and measurement cycles. Intended for use by adults in medical facilities or home settings. User interface allows selection of measurement units (mmHg or KPa). Output includes systolic/diastolic blood pressure and pulse rate displayed to the user. Data storage and time display features vary by model. Device assists in monitoring cardiovascular health by providing non-invasive blood pressure readings.
Clinical Evidence
Bench testing only. Compliance verified against IEC 60601-1:2005 (safety/essential performance), IEC 60601-1-2:2007 (EMC), and ANSI/AAMI/IEC 80601-2-30:2009 (automated noninvasive sphygmomanometers).
Technological Characteristics
Battery-powered (two AAA) automatic wrist-worn monitor. Oscillometric sensing principle. Intended for wrist circumference 13.5-21.5 cm. Software level of concern: Moderate. Complies with IEC 60601-1, IEC 60601-1-2, and ANSI/AAMI/IEC 80601-2-30.
Indications for Use
Indicated for adult patients with a wrist circumference of 13.5-21.5 cm for non-invasive measurement of systolic/diastolic blood pressure and pulse rate.
Regulatory Classification
Identification
A noninvasive blood pressure measurement system is a device that provides a signal from which systolic, diastolic, mean, or any combination of the three pressures can be derived through the use of tranducers placed on the surface of the body.
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Public Health Service
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
April 3, 2015
Shenzhen Urion Technology Co., Ltd. Autumn Liu Sales Manager 4th Building, Hi-tech Industrial Zone, Heping Community, Fuyong Street, Baoa Shenzhen, 518103 CH
Re: K141683
Trade/Device Name: Electronic Blood Pressure Monitor, U60 Series including U60A and U60AH Regulation Number: 21 CFR 870.1130 Regulation Name: Noninvasive Blood Pressure Measurement System Regulatory Class: Class II Product Code: DXN Dated: February 16, 2015 Received: February 18, 2015
Dear Autumn Liu,
We have reviewed vour Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food. Drug. and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act
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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 devicerelated adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (OS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
forBram 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 2 Indications for Use Statement
## DEPARTMENT OF HEALTH AND HUMAN SERVICES Food and Drug Administration
# Indications for Use
Form Approved: OMB No. 0910-0120 Expiration Date: December 31, 2013 See PRA Statement on last page.
## 510(k) Number (if known)
# K141683
# Device Name
Electronic Blood Pressure Monitor U60 Series, including U60A and U60AH
## Indications for Use (Describe)
U60 Series Wrist Electronic Blood Pressure Monitor is intended to measure the systolic and diastolic blood pressure as well as the pulse rate of adult person via non-invasive oscillometric technique in which an inflatable cuff is wrapped around the wrist. It can be used at medical facilities or at home. The intended wrist circumference is 13.5-21.5 cm.
Type of Use (Select one or both, as applicable)
| Prescription Use (Part 21 CFR 801 Subpart D)
|X Over-The-Counter Use (21 CFR 801 Subpart C)
# PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON A SEPARATE PAGE IF NEEDED.
## FOR FDA USE ONLY
Concurrence of Center for Devices and Radiological Health (CDRH) (Signature)
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# Section 3 510(k) Summary
This 510(k) Summary of 510(k) safety and effectiveness information is being submitted in accordance with requirements of SMDA 1990 and 21 CFR 807.92.
The assigned 510(k) Number: __
- 1. Date of Submission: June 19, 2014
- 2. Sponsor
Shenzhen Urion Technology Co., Ltd 4th building, Hi-tech Industrial Zone, Heping Community, Fuyong street, Baoan District, Shenzhen, Guangdong, China 518103
Establishment Registration Number: Not yet registered;
Contact Person: Ms. Autumn Liu Position: Sales Manager Tel: +86-755-29231308 Fax: +86-755-27493959 Email: autumn@urion.com.cn
- Submission Correspondent 3.
Ms. Autumn Liu Shenzhen Urion Technology Co., Ltd. 4th building, Hi-tech Industrial Zone, Heping Community, Fuyong street, Baoan District, Shenzhen, Guangdong, China 518103 Tel: +86- 755-29231308 Fax: +86-755-27493959 Email: autumn@urion.com.cn
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#### Device Identification 4.
Proposed Device Name: Electronic Blood Pressure Monitor; Proposed Device Model: U60 Series, including U60A and U60AH
Classification Name: Cardiovascular Diagnostic Devices; Common Name: Electronic Blood Pressure Monitor; Class: Class II; Product Code: DXN: Regulation Number: 21 CFR 870.1130; Review Panel: Cardiovascular;
Intended Use Statement:
U60 Series Wrist Electronic Blood Pressure Monitor is intended to measure the systolic and diastolic blood pressure as well as the pulse rate of adult person via non-invasive oscillometric technique in which an inflatable cuff is wrapped around the wrist. It can be used at medical facilities or at home. The intended wrist circumference is 13.5-21.5 cm.
- 5. Predicate Device Identification
510(k) Number: K070826 Product Name: Electronic Blood Pressure Monitor, KD-795 Manufacturer: Kodon (Tianjin) Electronic & Electrical Apparatus Co., Ltd
- 6. Device Description
The proposed device, U60 Series Wrist Electronic Blood Pressure Monitor, is a battery driven automatic on-invasive blood pressure monitor. It can automatically complete the inflation, deflation and measurement, which can measure systolic and diastolic blood pressure as well as the pulse rate of adult person at wrist within its claimed range and accuracy via the oscillometric technique. User can select the unit of the measurement: mmHg or KPa.
All the models included in this submission follow the same measurement principle and same specifications. The main differences are data storage and time display. These two differences will not affect the safety and effectiveness of the device.
- 7. Non-Clinical Test Conclusion
Bench tests were conducted to verify that the proposed device met all design specifications as was Substantially Equivalent (SE) to the predicate device. The test results demonstrated that the proposed device complies with the following standards:
IEC 60601-1:2005, Medical electrical equipment - Part 1: General requirements for basic safety, and 3-2
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essential performance.
IEC 60601-1-2:2007, Medical electrical equipment - Part 1-2: General requirements for basic safety and essential performance - Collateral standard: Electromagnetic compatibility - Requirements and tests.
ANSI/AAMI/IEC 80601-2-30:2009 Medical electrical equipment Part 2-30: Particular requirements for the basic safety and essential performance of automated noninvasive sphygmomanometers.
- Substantially Equivalent 8.
| ITEM | U60 Series<br>Electronic Blood Pressure<br>Monitor | K070826<br>Electronic Blood Pressure<br>Monitor KD-795, | Comparison |
|------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------|
| Product Code | DXN | DXN | Same |
| Regulation No. | 21 CFR 870.1130 | 21 CFR 870.1130 | Same |
| Class | II | II | Same |
| Intended Use | U60 Series Wrist Electronic Blood Pressure Monitor is<br>intended to measure the systolic<br>and diastolic blood pressure as<br>well as the pulse rate of adult<br>person via non-invasive<br>oscillometric technique in<br>which an inflatable cuff is<br>wrapped around the wrist. It can<br>be used at medical facilities or<br>at home. The intended wrist<br>circumference is 13.5-21.5 cm. | Wrist Measurement Automatic<br>Electronic Blood Pressure<br>Monitor is for use by medical<br>professionals or at home and is a<br>non-invasive blood pressure<br>measurement system intended to<br>measure diastolic, systolic blood<br>pressure and pulse rate on adult<br>individual by using a<br>non-invasive technique in which<br>an inflatable cuff is wrapped<br>around the wrist. The cuff<br>circumference is limited to<br>6.1023 inches to 9.8425 inches. | SE<br>Analysis 1 |
| Measurement Type | Wrist | Wrist | Same |
| Patient Population | Adult | Adult | Same |
| Measurement Item | SYS, DYS, Pulse Rate | SYS, DYS, Pulse Rate | Same |
| Principle | Oscillometric | Oscillometric | Same |
| BP Range | $0~299$ mmHg | $0~300$ mmHg | Same |
| BP Accuracy | $\pm 3$ mmHg | $\pm 3$ mmHg | Same |
| PR Range | 40-199 bpm | 30-180 bpm | SE<br>Analysis 2 |
| Cuff Size | 31 cm (length) x 8.3 cm (width) | 30cm (length) x 7 cm (width) | SE<br>Analysis 1 |
| Power Supply | two AAA | two AAA | Same |
| Software Level Concern | Moderate | Moderate | Same |
Table 3-1 Substantially Equivalent Comparison
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#### SE Analysis 1
The intended arm circumferences (13.5-21.5 cm VS about 15.50-25 cm) and cuff size (31X 8.3cm VS 30 X 7 cm) of the proposed and predicate device are different. This difference are very slight, and the cuff size is appropriate to the claimed intended wrist circumference per ANSI/AAMI/IEC 80601-2-30. Therefore, this point is considered as substantially equivalent.
### SE Analysis 2
The pulse rate measurement range of the proposed is a little different compared with that of the predicate device. (40 – 199 bpm VS 30 – 180 bpm). The difference parts, 30-40 bpm and 180-199 bpm, are very rare and abnormal, and the range is clearly stated on the label of the container and instructions manual, the operator can select whether to use this product per the actual conditions. Therefore, this difference is considered to be not affect the substantially equivalent conclusion.
The proposed device, U60 Series Wrist Electronic Blood Pressure Monitor, is determined to be Substantially Equivalent (SE) to the predicate device, Electronic Blood Pressure Monitor KD-795 (K070826), in respect of safety and effectiveness.
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1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
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Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
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2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
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Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
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Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
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What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
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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.
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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.