Ravaye™ E2 Vein Finder
Near-infrared vein visualization, projected in real time onto the skin.
Model PM-VF-100. Manufactured by Polymatech Electronics Limited. Nisene Technology Group is the U.S. FDA Agent, and stocks and services the device in the United States.
Technology overview
Ravaye™ E2 enhances subcutaneous vein visibility using near-infrared illumination at 760–940 nm, mapped and projected in real time onto the patient's skin surface, non-invasively and without contact.
Designed to reduce procedural time, minimize failed venipuncture attempts, and support procedural confidence and patient comfort across IV insertion, blood draw, and related vascular access procedures.
It is lightweight, intuitive and portable, requires minimal training, and integrates into existing clinical workflows from acute-care hospitals to ambulatory surgery centers, infusion suites and community clinics.
How it works
1 — Illuminate
Near-infrared light is directed at the patient's skin. Hemoglobin in subcutaneous veins absorbs the light differently from surrounding tissue.
2 — Map
The device detects this optical contrast and constructs a real-time map of the underlying superficial vein structure.
3 — Project
The vein map is projected onto the skin surface by DLP projection, contact-free, giving the clinician live guidance.
4 — Adapt
Twelve projection colors, three projection sizes, six brightness levels and nine display modes let the clinician tune the image to skin tone, lighting and procedure.
Clinical applications
Settings in which the device is intended to assist vein visualization.
IV cannulation
Supports faster, more confident line placement across general, acute and infusion settings.
Phlebotomy and blood draw
Supports first-attempt success in routine and high-volume blood collection.
Pediatric and neonatal care
Gentle, contact-free visualization for the smallest and most delicate veins.
Geriatric care
Clear guidance for fragile, mobile or collapsed veins in elderly patients.
Oncology and infusion therapy
Support for patients with venous access compromised by repeated treatment.
Emergency and EMS
Portable and ready in seconds — at the bedside, in the ED, or in transport.
Why U.S. clinicians choose Ravaye™ E2
Reproduced from the Ravaye™ E2 United States brochure.
First-attempt confidence
Supports procedural efficiency and reduces repeat sticks in routine and difficult access.
Every patient profile
Suitable for pediatric, geriatric, oncology, bariatric and difficult-access patients.
Bedside ready
450 g handheld unit, approximately 3.5-hour battery — ward, clinic, ED and transport ready.
Patient comfort
Non-invasive and contact-free — gentler procedures, calmer patients, no consumables.
Clinical limitations
Published limitations, reproduced from the Ravaye™ E2 technical data sheet.
Displays superficial vasculature within 0–10 mm only. Image quality varies with anatomy, vein depth, skin condition, tattoos, hair, scars, ambient light and device angle.
Not for vein depth or blood flow measurement, vascular diagnosis, ophthalmic use, or as the sole method of vein location.
United States supply and service
Nisene Technology Group holds stock at its Watsonville, California facility and handles United States fulfilment, service and RMA.
Stocked in California
Units are held at 417A Salinas Road, Watsonville, and shipped on receipt of order.
Channels
Direct supply, plus dealer, IDN, GPO and federal channels.
Service and RMA
Service, RMA and technical support are handled domestically by Nisene Technology Group.
Evaluation units
Demonstration and evaluation units are available on request for hospital systems and value-analysis committees.
Technical specifications
Transcribed from the Ravaye™ E2 United States technical data sheet, PM-VF-100-TDS-USA Rev 1.0, August 2026.
| Detection method | Near-infrared illumination |
|---|---|
| Wavelength range | 760 – 940 nm |
| Detection depth | 0 – 10 mm (superficial vasculature) |
| Optimal working distance | 20 – 26 cm (approx. 8 – 10 in) |
| Vessel position and resolution accuracy | ±0.3 mm |
| Patient interface | Non-contact, no consumables |
| Projection technology | DLP projection onto skin |
| Projection colors | 12 selectable |
| Projection sizes | 3 — large, medium, small |
| Brightness and inverse mode | 6 levels; inverse selectable |
| Display modes | 9 — default, enhance, hair-removal, guide-line, and 5 color-mix modes |
| User interface | LCD menu; power, sleep, OK and 4-way navigation keys |
| Battery | Rechargeable lithium-ion, 4,900 mAh |
| Operating duration | Approx. 3.5 hours |
| Charging | USB-C, 5 V ⎜ 4.5 A; adapter 100 – 240 V AC, 50/60 Hz |
| Status indicators | Blue normal · green charged · red charging |
| Auto sleep and shutdown | 10 min / 35 min idle (adjustable) |
| Weight | 450 g (15.9 oz) |
| Dimensions (L × W × H) | 24 × 6 × 6.5 cm |
| Form factor | Handheld, single-hand operation |
| Working noise | ≤ 35 dB |
| Mounting | Handheld, or optional stand |
Package contents and care
Ships with
- Main unitRavaye™ E2 Vein Finder
- ChargingUSB Type-C cable and 100 – 240 V adapter
- CaseAluminum carrying case
- CalibrationCalibration card
- DocumentationUser manual (USA edition), product certificate, warranty card
- OptionalTable stand with mobile base; mobile stand with articulated arm
Care, cleaning and verification
Exterior wipe with a lint-free cloth and 70% isopropyl alcohol; air-dry before use.
Do not autoclave. No heat or pressure sterilization. Do not immerse. Do not open the casing — authorized service personnel only.
Verify calibration against the supplied calibration card before first use and periodically per facility procedure.
United States regulatory status
This page describes the United States position only. Classification and regulatory treatment differ between jurisdictions, and no statement is made here about any market outside the United States.
| Classification | Class I, 510(k)-Exempt |
|---|---|
| U.S. FDA status | Registered Establishment and Device Listed — Listing No. D588842, Product Code KZA. Listing and registration are not FDA approval or clearance. |
| Model | PM-VF-100 · Version Poly2025 (Edition 2) |
| Manufacturer | Polymatech Electronics Limited, SIPCOT Hi-Tech SEZ, Plot No. OZ 13, Oragadam, Kancheepuram District, Greater Chennai, Tamil Nadu 602105, India |
| U.S. Agent (FDA) | Nisene Technology Group, 417A Salinas Road, Watsonville, CA 95076, USA |
| Quality certifications | Held by the manufacturer, Polymatech Electronics Limited, for the manufacture of medical devices such as the vein finder: ISO 13485:2016 — certificate 305025121520MD, issued by QRO, valid to 14 December 2028. ISO 9001:2015 — certificate 4505F581, issued by Ranalysis Certification Pvt. Ltd., valid to 30 December 2028. ISO 14001:2015 — held by the manufacturer. These certifications are held by the manufacturer and are not certifications of Nisene Technology Group. |
| Warranty | Two (2) years, unconditional, provided the unit remains physically intact. Service, RMA and technical support handled in the United States by Nisene Technology Group. |
| U.S. availability | Stocked in Watsonville, California and shipped on receipt of order. Dealer, IDN, GPO and federal channels available. |
The device is not described as “FDA approved”. A Class I, 510(k)-exempt device is registered and listed, which is not the same as premarket approval or clearance.
Ravaye™ E2 documents
United States editions.
United States inquiries
Product information, evaluation units, demonstrations, dealer and GPO inquiries are welcomed.
Jason Herro
Executive Vice President
T +1 (262) 395-0174
E jason@polymatechworld.com
Nisene Technology Group
U.S. Agent (FDA), stocking and service
417A Salinas Road
Watsonville, CA 95076
E sales@nisene.com
Manufacturer
Polymatech Electronics Limited
SIPCOT Hi-Tech SEZ, Oragadam
Greater Chennai, Tamil Nadu, India
Discuss a medical instrument enquiry
Tell us about the package, wire-bond material, required exposure area and analysis objective. Nisene will review the application and advise on system configuration, fixture selection and the appropriate evaluation route.
Medical Instruments enquiries
Jason Herro, Executive Vice President
jason@polymatechworld.com · +1 (262) 395-0174
Service, RMA and warranty in the United States are handled by Nisene Technology Group — service@nisene.com, 831-761-7980.
Send an enquiry
Tell us the system, the package type and what you need to achieve, and our applications team will respond.
Email sales@nisene.com Service and RMANisene Technology Group, 417A Salinas Road, Watsonville, CA 95076, USA