The indication for use of this device must be restricted to colon cleansing when medically indicated, such as before radiological or endoscopic examination.
Device Story
Transcom Colon Hydrotherapy (Model HC-2000) is a wall-mounted instrument for colonic irrigation. It introduces filtered water at controlled temperatures into the large intestine to cleanse contents. System components include a mixing valve, pressure regulator, water manifold, relief valve, monitoring system (temperature/pressure), viewing assembly, sanitation system, and lighting assembly. Operation is manual, utilizing a syringe-based flow mechanism and gravity drainage. The device features automatic pressure safety, disinfection, and temperature regulation. It includes disposable components for single-use therapy. Used in clinical settings by healthcare providers to prepare patients for medical procedures. Output consists of visual monitoring of fluid discharge via a view tube assembly, allowing the clinician to observe the cleansing process. Benefits include hygienic, painless, and odorless colon preparation.
Clinical Evidence
No clinical data provided. Substantial equivalence is based on technological characteristics and intended use.
Technological Characteristics
Wall-mounted colonic irrigator. Materials include brass and stainless steel. Features include thermostatic mixing valve (Grohemix), Norgren pressure regulators and relief valves, and manual flow control. Operates on 110/120 VAC 50/60 Hz. Includes automatic pressure safety, disinfection system, and temperature monitoring. Fluid pathway utilizes disposable components except for the view tube assembly. Dimensions: 1020 x 720 x 270 CM. Weight: 132.3 lbs.
Indications for Use
Indicated for colon cleansing in patients requiring bowel preparation for radiological or endoscopic examination.
Regulatory Classification
Identification
A colonic irrigation system is a device intended to instill water into the colon through a nozzle inserted into the rectum to cleanse (evacuate) the contents of the lower colon. The system is designed to allow evacuation of the contents of the colon during the administration of the colonic irrigation. The device consists of a container for fluid connected to the nozzle via tubing and includes a system which enables the pressure, temperature, or flow of water through the nozzle to be controlled. The device may include a console-type toilet and necessary fittings to allow the device to be connected to water and sewer pipes. The device may use electrical power to heat the water. The device does not include the enema kit (§ 876.5210).
Predicate Devices
Specialty Health Hydro-San
Clearwater PPC-101
Doltolo Research Corp. Toxygen
Submission Summary (Full Text)
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41
# SRS INTERNATIONAL CORPORATION
Suite 1000 • 1625 K Street, NW • Washington, DC 20006-1604
Telephone (202) 223-0157/0298 • Telecopy (202) 835-8970
OCT 31 1997
## PREMARKET NOTIFICATION [510(K)] SUMMARY
### 1. Name/Address/Phone/Fax, Contact Person, Date:
Submitter's Name: SRS International Corporation
Address: 1625 K St., NW, Suite 1000 Washington, DC 20006
Telephone: 202-223-1057
Fax: 202-835-8970
Contact Person: Michael G. Farrow, Ph.D.
Date of Summary: February 8, 1997
### 2. Name of Device, Proprietary Name, Common Name, Classification
Name of Device: Transcom Colon Hydrotherapy
Proprietary Name: Transcom Colon Hydrotherapy
Common Name: Colonic Irrigation System
Classification: Irrigator, Colonic (Gastro/Urology) 78 KPL
### 3. Legally Marketed Predicate Devices of Substantial Equivalence
Specialty Health Models A&B
Clearwater PPC-101
Doltolo Research Corp. Toxygen
### 4. Description of Device
This device is not a kit. This device is an instrument for hydrotherapy of the colon. It introduces filtered water at a comfortable temperature into the large intestine. It is an automatic system for filling and emptying water into and out of the colon and thus cleansing the colon of its contents when medically indicated such as before radiological or endoscopic examination. It is hygienic, painless and odorless. The instrument has an automatic pressure safety system; automatic disinfection; a system for collection of samples for analysis; remote and frontal panel control; a counter for the number of liters of water used; a three-way faucet; flow regulator; thermostatic mixer and an automatic temperature safety feature. It contains disposable components for use only once in the therapy
### 5. Intended Use of Device
The indication for use of this device must be restricted to colon cleansing when medically indicated, such as before radiological or endoscopic examination.
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2016 412
# 6. Summary of Technological Characteristics Compared to Predicates
Summaries between Transcom and three predicates manufactured by Specialty Health, Clearwater, and Dotolo Research, appear below.
Differences in technological characteristics between Transcom and the predicate devices include the following.
Between Transcom and Specialty Health
1. Specialty Health uses a gravity flow system, Transcom a syringe.
Between Transcom and Clearwater
1. A sink and faucet are needed for the Clearwater unit; Transcom is plumbed.
2. Clearwater has no speculum collection; Transcom does.
3. Clearwater's unit is portable; Transcom is wall mounted
4. Clearwater uses a pump; Transcom uses a syringe
Between Transcom and Doltolo
1. Dotolo uses a gravity flow system, Transcom a syringe
Details in the technological characteristics for Transcom and the predicates are itemized on the following pages.
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31
| Parameter | TRANSCOM | SPECIALTY HEALTH
Hydro-San | CLEARWATER
PPC-101 | DOTLO RESEARCH
TOXYGEN |
| --- | --- | --- | --- | --- |
| Water Source | Household/Commercial | Household/Commercial | Household/Commercial | Household/Commercial |
| Water Flow (Pressure) | Yes | Yes | Yes | Yes |
| Water Flow Control Valve | Yes | Yes | Yes | Yes |
| Drainage System (Gravity) | Yes | Yes | Yes | Yes |
| Closed System | | | | |
| Water | Yes | Yes | Yes | Yes |
| Drainage | Yes | Yes | Yes | Yes |
| Mixing Valve | | | | |
| Grohemix | Yes | Yes | Yes | Yes |
| Powers Hydroguard | N/A | | Yes | |
| Fittings | | | | |
| Brass | Yes | Yes | Yes | Yes |
| Stainless | Yes | Yes | Yes | Yes |
| Cabinet Composition | | | | |
| Stainless Steel | Yes | N/A | Yes | N/A |
| Sheet Metal (Painted) | N/A | Yes | N/A | Yes |
| Sink & Faucet | N/A | N/A | Yes | N/A |
| Cabinet Design | Wall-Mount | Wall-Mount | Portable
(on-wheels) | Wall-Mount |
| Weight | 132.3 lbs. | Approx 40 lbs. | 70 lbs. | Approx 40 lbs. |
| Physical Dimensions | 1020 x 720 x 270 CM | 20" w x 7" d x 20" h | 19" w x 16" d x 41" h | 20" w x 7" d x 20" h |
| Pumps | None | None | Sanitation System | None |
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414
| Parameter | TRANSCOM | SPECIALTY HEALTH
Hydro-San | CLEARWATER
PPC-101 | DOTLO RESEARCH
TOXYGEN |
| --- | --- | --- | --- | --- |
| Mode of Operation | Continuous Water Flow
Gravity Flow Drainage
Manual Operation | Continuous Water Flow
Gravity Flow Drainage
Manual Operation | Continuous Water Flow
Gravity Flow Drainage
Manual Operation | Continuous Water Flow
Gravity Flow Drainage
Manual Operation |
| Major Separate System Components | Mixing Valve
Pressure Regulator
Water Manifold System
Relief Valve System
Monitoring System
(Temp. Pressure)
Viewing Assembly
Sanitation System
Lighting Assembly
Drainage Assembly
None | Mixing Valve
Pressure Regulator
Water Manifold System
Relief Valve System
Monitoring System
(Temp. Pressure)
Viewing Assembly
Sanitation System
Lighting Assembly
Drainage Assembly
None | Mixing Valve
Pressure Regulator
Water Manifold System
Relief Valve System
Monitoring System
(Temp. Pressure)
Viewing Assembly
Sanitation System
Lighting Assembly
Drainage Assembly
Sink & Faucet | Mixing Valve
Pressure Regulator
Water Manifold System
Relief Valve System
Monitoring System
(Temp. Pressure)
Viewing Assembly
Sanitation System
Lighting Assembly
Drainage Assembly
None |
| Intended Usage | Colonic Irrigator | Colonic Irrigator | Colonic Irrigator | Colonic Irrigator |
| Monitoring Systems
Water Temperature
Pressure
View Tube Assembly
(Fluid Discharge Path) | Yes
Yes
Yes | Yes
Yes
Yes | Yes
Yes
Yes | Yes
Yes
Yes |
| Fluid Pathway | Disinfected, and disposable
except the view tube
assembly which must
be cleaned & sterilized
prior to each procedure | Disinfected, and disposable
except the view tube
assembly which must
be cleaned & sterilized
prior to each procedure | Disinfected, and disposable
except the view tube
assembly which must
be cleaned & sterilized
prior to each procedure | Disinfected, and disposable
except the view tube
assembly which must
be cleaned & sterilized
prior to each procedure |
| Specimum Collection | Yes | Yes | No | Yes |
{4}
410
| Parameter | TRANSCOM | SPECIALTY HEALTH
Hydro-San | CLEARWATER
PPC-101 | DOTLO RESEARCH
TOXYGEN |
| --- | --- | --- | --- | --- |
| Regulators
(Water Pressure) | Norgren
Yes | Norgren
Yes | Norgren
Yes | Norgren
Yes |
| Relief Valve
(Water Pressure) | Norgren
Yes | Norgren
Yes | Norgren
Yes | Norgren
Yes |
| Over Pressure Relief System | Yes | Yes | Yes | Yes |
| Systems Check Valves | Yes | Yes | Yes | Yes |
| Sanitation System Pump | Yes
Syringe | Yes
Gravity Flow System | Yes
Yes | Yes
Gravity Flow System |
| Gauges
Water Temperature
Water Pressure | Yes
Yes | Yes
Yes | Yes
Yes | Yes
Yes |
| Electrical Requirements | 110/120 VAC 50/60 Hz service, power outlet to be grounded and polarized and GFI | 110/120 VAC 50/60 Hz service, power outlet to be grounded and polarized and GFI | 110/120 VAC 50/60 Hz service, power outlet to be grounded and polarized and GFI | 110/120 VAC 50/60 Hz service, power outlet to be grounded and polarized and GFI |
| View Tube Assembly
Back Lighting | Yes | Yes | Yes | Yes |
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416
## 7. Non-Clinical Performance Data
Substantial equivalence is not based on an assessment of non-clinical performance data.
## 8. Clinical Performance Data
Substantial equivalence is not based on an assessment of clinical performance data.
## 9. Conclusions from Non-Clinical and Clinical
Not applicable
{6}
DEPARTMENT OF HEALTH & HUMAN SERVICES
Public Health Service
Food and Drug Administration
9200 Corporate Boulevard
Rockville MD 20850
OCT 31
TRANSCQM Transcendencias Comerciales, S.L.
c/o Michael G. Farrow, Ph.D.
SRS International Corporation
1625 K Street, N.W.
Washington, D.C. 20006-1604
Re: K970482
TRANSCOM Colon Hydrotherapy Model HC-2000
Dated: September 10, 1997
Received: September 10, 1997
Regulatory class: II
21 CFR §876.5220/Product code: 78 KPL
Dear Dr. Farrow:
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 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 requirement, 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 assumptions. Failure to comply with the GMP regulation may result in 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.
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) 594-4613. 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/dsmamain.html".
Sincerely yours,

Enclosure
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Page 1 of 1
510(k) Number (if known): K 970482
Device Name: TRANSCOM COLON HYDROTHERAPY MODEL HC-2000
Indications For Use:
The indication for use of this device must be restricted to colon cleansing when medically indicated, such as before radiological or endoscopic examination.
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
(Division Sign-Off)
Division of Reproductive, Abdominal, ENT, and Radiological Devices
510(k) Number K970482
Prescription Use ☑
(Per 21 CFR 801.109)
OR
Over-The-Counter Use ☐
(Optional Format 1-2-96)
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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.