The HomMed Model Sentry monitor is a portable noninvasive blood pressure (NIBP) monitor for spot checking of a patient's systolic, diastolic, and mean arterial (MAP) blood pressures, pulse rate using an oximeter and oral temperature via an electronic thermometer. The device will provide fast, reliable NIBP measurements on patients ranging from children (pediatrics) to adults when using the appropriate blood pressure cuff provided. The oximetry works with Model Sentry oximetry probes provided by HomMed, providing Sp02 and pulse rate on all patients from pediatric to adult. The electronic thermometry requires use of the Welch Allyn oral thermometry probe and probe covers. It will provide oral temperature information only. The device is intended for use in clinical environments by health care professionals and in home use by patients as prescribed by or on orders by a physician.
Device Story
HomMed Model Sentry is a portable tabletop patient monitor for spot-check measurements; inputs include NIBP cuff, SpO2 sensor, and oral temperature probe. Device processes physiological signals to display systolic, diastolic, and mean arterial pressure, pulse rate, pulse strength, and temperature on an LED display. Used in clinical settings by healthcare professionals or in home environments by patients; output allows healthcare providers to monitor patient status. Device is a re-branded BCI Mini-Torr Plus (K983796) with specific features enabled or disabled via software toggles. Benefits include reliable, noninvasive patient monitoring across pediatric and adult populations.
Clinical Evidence
Bench testing only. The device utilizes the technology of the BCI 6004, which has previously met FDA requirements for respiratory devices, EMC, electrical safety, mechanical durability, and thermometry. No new clinical data was generated.
Technological Characteristics
Tabletop NIBP monitor with SpO2 and electronic thermometry interfaces. Features LED display, NIBP cuff hose connection, and probe holders. Connectivity includes proprietary sensor interfaces. Software-controlled feature toggles. Compliant with FDA reviewer's guides for respiratory devices, EMC, and electrical/mechanical safety.
Indications for Use
Indicated for spot checking systolic, diastolic, and mean arterial blood pressure, pulse rate, SpO2, and oral temperature in pediatric and adult patients. Intended for clinical and home use under physician prescription.
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.
{0}------------------------------------------------
MAR 1 5 2000
K 99 39 38
# HomMed LLC
## February 15, 2000
## 510(k) Summary for HomMed Model Sentry
| Submitter:<br>Address: | HomMed LLC<br>19275 West Capital Drive, Suite 200<br>Brookfield, Wisconsin 53045 |
|-----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|
| Telephone: | (414) 783-5440 |
| Contact: | Herschel Peddicord, President |
| Prepared: | February 15, 2000 |
| Proprietary Name: | HomMed Model Sentry |
| Common/Classification Name: | Noninvasive blood pressure measurement system |
| Predicate Devices: | BCI Mini-Torr Plus (model 6004) with new<br>electronic thermometer option; and, BCI 6004 NIBP monitor<br>Welch Allyn 678 SureTemp Thermometer |
New Device Description:
HomMed Model Sentry patient monitor provides a manually initiated sequence of automatic patient measurements. The Sentry patient monitor consists of a small tabletop NIBP monitor with a desktop Features include an NIBP cuff hose connection, an SpO2 sensor interface, a oral charger. temperature probe interface and holder, display of patient systolic, diastolic, and mean arterial pressure, interval timer, SpO2, pulse rate, pulse strength, temperature via an LED display.
The HomMed Model Sentry is the existing presently marketed BCI Mini-Torr Plus noninvasive blood pressure (NIBP) monitor with oximeter and electronic thermometer options with certain defeatures implemented via software toggle off/on function controls. The BCI Mini-Torr Plus monitor has a FDA 510(k) approval, Number K983796.
{1}------------------------------------------------
#### Intended Use:
The HomMed Model Sentry monitor is a portable noninvasive blood pressure (NIBP) monitor for spot checking of a patient's systolic, diastolic, and mean arterial (MAP) blood pressures, pulse rate using an oximeter and oral temperature via an electronic thermometer. The device will provide fast, reliable NIBP measurements on patients ranging from children (pediatrics) to adults when using the appropriate blood pressure cuff provided. The oximetry works with Model Sentry oximetry probes provided by HomMed, providing Sp02 and pulse rate on all patients from pediatric to adult. The electronic thermometry requires use of the Welch Allyn oral thermometry probe and probe covers. It will provide oral temperature information only. The device is intended for use in clinical environments by health care professionals and in home use by patients as prescribed by or on orders by a physician.
### Performance Data:
The HomMed Model Sentry utilizes the technology in the BCI 6004 monitor and performs within the environments for which Sentry is marketed. BCI has performed in accordance with the guidelines and standards found in the FDA reviewer's guides for respiratory devices and electronic EMC, electrical, mechanical durability, safety (operator and patient), and thermometers. temperature/humidity testing has been completed. The results demonstrated that the Sentry was in compliance with the guidelines and standards referenced in the FDA reviewer's guides and that it performed within its specifications and functional requirements.
Since the HomMed Model Sentry is the BC1 6004, which has met and continues to meet the applicable FDA requirements, it was not necessary to do additional performance testing. The performance of the Sentry and the BCI Model 6004 remains unchanged.
The HomMed Model Sentry performance is the BCI 6004 performance and no additional or different testing has been done on the HomMed Model Sentry patient monitor. Thus it is the HomMed position that the Sentry performs as well as the legally marketed predicate device, BCI Model 6004.
This summary of 510(k) safety and effectiveness information is being submitted in accordance with the requirements of FDA regarding patient monitors.
Page 2
Sincerely,
Sincerely,
Tommie J. Morgan, Ph.D.
Morgan Consyllants, Ine.
On Behalf of: Herschel Peddicord, President HomMed LLC
{2}------------------------------------------------
Image /page/2/Picture/1 description: The image is a black and white seal for the Department of Health & Human Services - USA. The seal is circular and contains the text "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" around the perimeter. In the center of the seal is an abstract image of an eagle.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
MAR 1 5 2000
Ms. Herschel Peddicord Hommed LLC 19275 West Capitol Drive, Suite 200 Brookfield, WI 53045
K993938 Re: The Hommed Sentry, Model 1 Sentry Regulatory Class: II (two) Product Code: DXN Dated: January 20, 2000 Received: January 21, 2000
Dear Ms. Peddicord:
We have reviewed your Section 510(k) notification of intent to market the device referenced above and we 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). 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 (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 895. A substantially equivalent determination assumes compliance with the Current Good Manufacturing Practice requirements, as set forth in the Quality System Regulation (QS) for Medical Devices: General regulation (21 CFR Part 820) and that, through periodic QS inspections, the Food and Drug Administration (FDA) will verify such Failure to comply with the GMP requlation may result in assumptions. regulatory action. In addition, FDA may publish further announcements concerning your device in the Federal Register. Please note: this response to your premarket notification submission does not affect any obligation you might have under sections 531 through 542 of the Act for devices under the Electronic Product Radiation Control provisions, or other Federal laws or regulations.
{3}------------------------------------------------
#### Page 2 - Ms. Herschel Peddicord
This letter will allow you to begin marketing your device as described in your 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801 and additionally 809.10 for in vitro diagnostic devices), please contact the Office of Compliance at (301) 594-4648. Additionally, for questions on the promotion and advertising of your device, please contact the Office of Compliance at (301) 594-4639. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 807.97). Other general information on your responsibilities under the Act may be obtained from the Division of Small Manufacturers Assistance at its toll-free number (800) 638-2041 or (301) 443-6597, or at its internet address "http://www.fda.gov/cdrh/dsma/dsmamain.html".
Sincerely yours,
Celia M. Witten, Ph.D., M.D.
Acting Director Division of Cardiovascular, Respiratory, and Neurological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
{4}------------------------------------------------
#### 510(k) Number (if known): K993938
Device Name: HomMed Model Sentry
Indications for Use:
The HomMed Model Sentry patient monitor system is for spot checking of adult or pediatric patient's systolic, diastolic and mean arterial (MAP) blood pressures, pulse rate, SpO2 oximetry and oral temperature. The device will provide fast, reliable NIBP measurements on patients when using the appropriate blood pressure cuff. The oximetry function operates with all OEM (BCI) oximetry sensors, providing SpO2 and pulse rate on all patients from pediatric to adult patients. The electronic thermometry is intended for oral temperature measurements and is only compatible with the Welch Allyn thermometry probes and probe covers. The device is intended for use in clinical environments by health care providers and for home use by patients with retrospective review by health care providers.
Federal law restricts this device to sale by or on the order of a physician.
(Division Sign-Off)
Division of Cardiovascular, Respiratory,
and Neurological Devices
510(k) Number K993938
werle
(PLEASE DO NOT WRITE BELOW THIS LINE - CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Prescription Use i (Per 21 CFR 801.109)
OR
Over-the Counter Use
(Optional Format 1-26-96)
Predicate graph will load when search results are available.
Embedding visualization will load when search results are available.
PDF viewer will load when search results are available.
Loading panels...
Select an item from Submissions
Click any panel, subpart, regulation, product code, or device to see details here.
Section Matches
Results will appear here.
Product Code Matches
Results will appear here.
Special Control Matches
Results will appear here.
Loading collections...
Loading
My Alerts
You will receive email notifications based on the filters and frequency you set for each alert.
Sort by:
Create Alert
Search Filters
Agent Token
Create a read-only bearer token for Claude, ChatGPT, or other agents that can call HTTP APIs.
Copy this now. It will not be shown again.
Connected apps
Apps you authorized through browser sign-in. Disconnecting revokes their access immediately.
Learn the FDA Browser
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.