The Baxter Colleague™ 2 and 3 Volumetric Infusion Pumps are designed to meet the fluid delivery needs of today’s evolving health care environment. The pump can be utilized for continuous or intermittent delivery through clinically acceptable routes of administration such as intravenous (IV), intra-arterial (IA), subcutaneous, epidural or irrigation of fluid spaces applications. Fluid delivery applications include: parenteral fluids, drugs and electrolytes (e.g. cardiovascular drugs, antibiotics, anesthetics, analgesics, chemotherapy agents, total parenteral nutrition products, lipids, solutions for irrigation procedures, etc.); and whole blood and blood products.
Device Story
Colleague 2 and 3 are multichannel volumetric infusion pumps for clinical use. Devices accept Baxter 's' suffix standard sets with keyed on/off slide clamps and various reservoirs (bags, bottles, syringes). Operation involves a shuttle pumping mechanism to deliver fluids at rates from 0.1 to 1200 mL/hr. Powered by AC, external 12 VDC, or internal rechargeable battery. Clinicians program infusion parameters; device provides flow control, air-in-line detection, and occlusion monitoring. Output includes fluid delivery and status alerts. Benefits include precise, automated fluid/drug administration across diverse care settings (ICU, OR, home, etc.), reducing manual titration errors and supporting complex dosing regimens (e.g., mg/kg/hr).
Clinical Evidence
Bench testing only. Hemolysis testing performed on aged packed red blood cells using a shuttle mechanism similar to the subject device; results showed minimal hemolysis (0.0000% to 0.114%). Flow accuracy testing conducted in accordance with IEC 601-2-24 standards.
Indicated for patients requiring continuous or intermittent delivery of parenteral fluids, drugs, electrolytes, whole blood, or blood products via IV, IA, subcutaneous, epidural, or irrigation routes. Suitable for use across the continuum of care, including hospital, home, and subacute settings.
Regulatory Classification
Identification
An infusion pump is a device used in a health care facility to pump fluids into a patient in a controlled manner. The device may use a piston pump, a roller pump, or a peristaltic pump and may be powered electrically or mechanically. The device may also operate using a constant force to propel the fluid through a narrow tube which determines the flow rate. The device may include means to detect a fault condition, such as air in, or blockage of, the infusion line and to activate an alarm.
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K961703
JUL - 8 1996
## APPENDIX I.1
## SUMMARY OF SAFETY AND EFFECTIVENESS
## BAXTER VOLUMETRIC INFUSION PUMPS
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# SUMMARY OF SAFETY AND EFFECTIVENESS
## BAXTER VOLUMETRIC INFUSION PUMPS
### Submitted by:
Tamima Itani, Ph.D.
Manager, Regulatory Affairs
Baxter Healthcare Corporation
I.V. Systems Division
Rte. 120 and Wilson Road
Round Lake, IL 60073
**Date Prepared:**
April 30, 1996
**Proposed Device:**
Colleague™ 2 Volumetric Infusion Pump
Colleague™ 3 Volumetric Infusion Pump
**Predicate Devices:**
- The Colleague™ Volumetric Infusion Pump, by Baxter, cleared under K953098 on December 22, 1995
- The Flo-Gard® 6301 Volumetric Infusion Pump, by Baxter, cleared under K915522 on February 28, 1995.
**Device Description and Statement of Intended Use:**
The Baxter Colleague™ 2 and 3 Volumetric Infusion Pumps are designed to meet the fluid delivery needs of today’s evolving health care environment. The pump can be utilized for continuous or intermittent delivery through clinically acceptable routes of administration such as intravenous (IV), intra-arterial (IA), subcutaneous, epidural or irrigation of fluid spaces applications.
Fluid delivery applications include:
* parenteral fluids, drugs and electrolytes (e.g. cardiovascular drugs, antibiotics, anesthetics, analgesics, chemotherapy agents, total parenteral nutrition products, lipids, solutions for irrigation procedures, etc.); and
* whole blood and blood products.
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The Baxter Volumetric Infusion Pumps are designed to travel the continuum of care, following the patient into a variety of care areas, including, but not limited to:
| Hospital: | Post Anesthesia/Recovery | Blood Centers |
| --- | --- | --- |
| General Floor | Cardiac Catheter Lab | Nuclear Medicine |
| Medical/Surgical | Emergency Room | Hospice |
| Critical/Intensive Care Areas | Burn/ Trauma Units | Subacute Facilities |
| Pediatrics/Neonatal | Oncology | Outpatient/Surgical Centers |
| Labor/Delivery/Post Partum | Mobile Intensive Care | Long Term Care |
| OR/Anesthesia | | Nursing Homes |
The Baxter Colleague™ 2 and 3 Volumetric Infusion Pumps are designed to accept a wide range of Baxter "s" suffix standard sets equipped with a keyed on/off slide clamp. The uni-directional on/off slide clamp on the sets facilitates appropriate set loading. The pump will accept a variety of currently marketed drug reservoirs, including glass bottles, plastic containers and syringes.
The Baxter Colleague™ 2 and 3 Volumetric Infusion Pump will operate on 90 - 260 VAC, 50/60 Hz. The device can also operate on an optional 12 VDC power adapter for an external power source. Alternatively, power may be supplied from a rechargeable battery integral to the device.
None of the pump components or materials come in contact with the fluid path. All materials used to build the Baxter pump meet the requirements of standards applicable to infusion pumps and electronic devices.
The Baxter Colleague™ 2 and 3 Volumetric Infusion Pump will operate from 0.1 to 1200 mL/hr. Flow rates will be less than or equal to +/- 10% error at rates less than 1.0 mL/hr, and less than or equal to +/- 5% error at rates greater than or equal to 1.0 mL/hr, over any hour, or a collection volume of 0.5 mL increment, whichever is the greater volume.
Flow and rate accuracy will not degrade outside of the specified accuracy over a period of 72-hours using the same set and catheter at 100 mL/hr. The devices will operate at all programmable flow rates with a head height ranging from -36 inches to +48 inches.
As with any electronic infusion device, flow profile is dependent on flow rate. Fluid will not stop flowing for a period greater than 40 seconds at a rate of 0.1 mL/hr; 20 seconds at a rate of 0.2 mL/hr; and 10 seconds at a rate of 0.4 mL/hr. For each subsequent doubling of rate, up to 99.9 mL/hr, the no flow period halves - i.e., 5 seconds at a rate of 0.8 mL/hr. The no flow period will be less than or equal to 0.038 seconds for rates above 100 mL/hr.
The device will operate within the specified accuracy when subjected to static back pressures of 5.8 psi (+300 mm Hg) to -1.9 psi (-100 mm Hg). The device will deliver with a maximum
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drop-off of less than or equal to 1% incremental change per psi with up to the maximum operating back pressure of 15 psi (775 mm Hg).
Environmental criteria for the operation of the Baxter pump are 59°F to 100°F; 20% to 95% relative humidity, non-condensing; 700 hPa to 1060 hPa air pressure.
The marketed product will meet the requirements of the following standards:
- UL 2601-1, Medical Electrical Equipment, Part 1: General Requirements for Safety
- IEC 601-2-24, Biological Evaluation of Medical Devices
- IEC 601-1-2, Medical Electrical Equipment, Part 1.
- NFPA 99. Standard for Health Care Facilities, National Fire Protection Association. dated 02/12/93, ANSI/NFPA
It will also meet the requirements of applicable portions of the following standards:
- Electromagnetic Compatibility Standard for Medical Devices, MDS-201-0004
- Electromagnetic Emissions and Susceptibility Requirements for the Control of Electromagnetic Interference, MIL-STD-461C
- Limits and Methods of Measurement of Radio Interference Characteristics of Industrial, Scientific and Medical (ISM) Radio-Frequency equipment (excluding surgical diathermy apparatus), CISPR 11
- Electromagnetic Compatibility for Industrial Process Measurement and Control Equipment, IEC 801-1
- Electrostatic Discharge Requirements, IEC 801-2
- Radiated Electromagnetic Field Requirements, IEC 801-3
- Electrical Fast Transient/Burst Requirements, IEC 801-4
- Radio Interference Suppression of Radio Frequency for Equipment for Industrial, Scientific, and Medical and Similar Purposes, VDE 0871
## Summary of Technological Characteristics of New Device to Predicate Devices
A table, comparing the Baxter Volumetric Infusion Pump to predicate devices is attached.
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# Discussion of Non Clinical Tests; Conclusions Drawn from Nonclinical Tests
Blood hemolysis testing was performed on aged packed red blood cells using an infusion pump with a shuttle mechanism similar to the one used for the proposed volumetric infusion pump. Aged packed red blood cells were tested because our previous experience with infusion pump indicates that they represent the worst case scenario relative to possible hemolysis. The results range from a low of 0.0000% to a high of 0.114% hemolysis.
Accuracy data was generated in accordance with the testing methodology defined by the IEC 601-2-24 standard.
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# Comparison of the Baxter Multichannel Volumetric Infusion Pumps to Other Large Volume Infusion Pumps
| Feature | BAXTER Colleague™ 2 | BAXTER Colleague™ 3 | BAXTER Colleague™ | BAXTER Flo-Gard® 6301 |
| --- | --- | --- | --- | --- |
| Pump Mechanism | Shuttle | Shuttle | Shuttle | Linear Peristaltic |
| Number of Channels | 2 | 3 | 1 | 2 |
| Set Used | Standard Baxter “s” Sets | Standard Baxter “s” Sets | Standard Baxter “s” Sets | Standard Baxter “s” Sets |
| Rate Range (mL/hr) | 0.1 - 99.9
1.0 - 1,200 | 0.1 - 99.9
1.0 - 1,200 | 0.1 - 99.9
1.0 - 1,200 | 1.0 - 99.9
1.0 - 1,999 |
| VTBI (mL) | 0.1 - 9,999 | 0.1 - 9,999 | 0.1 - 9,999 | 1 - 9,999 |
| Adjustable Maximum Rate Limit | ● | ● | ● | ● |
| Adjustable Maximum VTBI | ● | ● | ● | ● |
| Source Containers
Bags | ● | ● | ● | ● |
| Bottles | ● | ● | ● | ● |
| Syringes | ● | ● | ● | ○ |
| Stated Accuracy | ≤ 10% at rates less than 1.0 mL/hr; ≤ ± 5% otherwise | ≤ 10% at rates less than 1.0 mL/hr; ≤ ± 5% otherwise | ≤ 10% at rates less than 1.0 mL/hr; ≤ ± 5% otherwise | ≤ ± 10% |
| Motor Resolution | 3414 parts per cc | 3414 parts per cc | 3414 parts per cc | 4000 parts per cc |
| Air-in-line Detection | ●
4 Settings | ●
4 Settings | ●
4 Settings | ●
2 Settings |
| Upstream Occlusion | ● | ● | ● | ● |
| Occlusion Pressure | Minimum, Moderate, Maximum, Rate Dependent 2 PSI - 15 PSI | Minimum, Moderate, Maximum, Rate Dependent 2 PSI - 15 PSI | Minimum, Moderate, Maximum, Rate Dependent 2 PSI - 15 PSI | 7 - 17 PSI
Adjustable to 7, 12, 17 PSI |
● Available
○ Not Available
- Unknown
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| Feature | BAXTER Colleague™ 2 | BAXTER Colleague™ 3 | BAXTER Colleague™ | BAXTER Flo-Gard® 6301 |
| --- | --- | --- | --- | --- |
| Auto Restart | ● | ● | ● | ● |
| Free Flow Protection | ● | ● | ● | ● |
| RS232 | ● | ● | ● | ● |
| Computer Monitoring | ● | ● | ● | ● |
| Computer Control | ○ | ○ | ○ | ● |
| Pump Configuration Utility | ● | ● | ● | ● |
| Panel Lockout | ● | ● | ● | ● |
| Set Removal Lockout | ● | ● | ● | ○ |
| Automatic Piggybacking | ● | ● | ● | ● |
| Flow Check | ● | ● | ● | ● |
| Adjustable Alarm/Alert Intervals | ● | ● | ● | ● |
| Secondary Complete Alert | ● | ● | ● | ● |
| Blood Infusion | ● | ● | ● | ● |
| Epidural Infusion | ● | ● | ● | ● |
| Event Recorder | ● | ● | ● | ○ |
| Change Rate while running | ● | ● | ● | ● |
| Power Sources | Internal Rechargeable | Internal Rechargeable | Internal Rechargeable | Internal Rechargeable |
| Back Light | ● | ● | ● | ● |
| Battery Life Indicator | ● | ● | ● | ○ |
| Battery Capacity | 5 hr at 100 mL/hr | 4 hr at 100 mL/hr | 5 hr at 100 mL/hr | 6 hr at 1400 mL/hr |
| Multidirectional Pole Clamp | ○ | ○ | ● | ○ |
| Automatic Tube Loading | ● | ● | ● | ○ |
| Tube Misload Detection | ● | ● | ● | ● |
● Available
○ Not Available
- Unknown
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| Feature | BAXTER Colleague™ 2 | BAXTER Colleague™ 3 | BAXTER Colleague™ | BAXTER Flo-Gard® 6301 |
| --- | --- | --- | --- | --- |
| Infusion Modes | | | | |
| mL/hr | ● | ● | ● | ● |
| mg/hr | ● | ● | ● | ○ |
| mg/kg/hr | ● | ● | ● | ○ |
| mcg/hr | ● | ● | ● | ○ |
| mcg/kg/hr | ● | ● | ● | ○ |
| units/hr | ● | ● | ● | ○ |
| units/kg/hr | ● | ● | ● | ○ |
| mcg/m²/hr | ● | ● | ● | ○ |
| mg/min | ● | ● | ● | ○ |
| mg/kg/min | ● | ● | ● | ○ |
| mcg/min | ● | ● | ● | ○ |
| mcg/kg/min | ● | ● | ● | ○ |
| units/min | ● | ● | ● | ○ |
| units/min | ● | ● | ● | ○ |
| mcg/m²/hr | ● | ● | ● | ○ |
| units/m²/hr | ● | ● | ● | ○ |
| Volume - Time | ● | ● | ● | ● |
| Ramping | ● | ● | ● | ● |
| KVO (mL/hr) | 0.1 - 5 | 0.1 - 5 | 0.1 - 5 | 1.0 - 5.0 |
| Device Diagnostics | ● | ● | ● | ● |
| Label Library | ● | ● | ● | ○ |
| Drop Sensor | ● | ● | ● | ○ |
| | Optional | Optional | Optional | |
| Volume History | ● | ● | ● | ● |
| Nurse call Via External Adapter | ● | ● | ● | ● |
| 12 VDC External Cable Connector (accessory) | ● | ● | ● | ○ |
| Pump Personality | ● | ● | ● | ○ |
● Available
○ Not Available
- Unknown
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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.
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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.
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7. Product codes and the regulations tree
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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.
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.