Product Parameters
| Product Name | Portable Vein Finder Device |
| Model | QV-500 |
| Infrared | 850nm |
| Infrared Detection Depth | 8mm |
| Best Detection Distance | 15-25cm |
| Accuracy of Blood Vessel Position | ±0.5mm |
| Accuracy of Blood Vessel Resolution | ±0.5mm |
| Power Supply | 18650 lithium battery (rechargeable) |
| Whether It Supports Charging | Yes |
| Dimensions | 200×60×65 mm(7.87×2.36×2.56 ”) |
| Weight | 280g(0.62lbs) |
| Compatible Voltage Range | 100-240V |
| Warranty | One Year |
Product Values
Value in Medical Scenarios: Reducing costs, increasing efficiency, and enhancing treatment safety.
Solving the “Puncture Challenge”: Targeting hidden veins in obese, hirsute, and dark-skinned patients, precise vascular imaging significantly improves puncture success rates, reduces patient pain, vascular damage, and infection risks associated with repeated punctures, and reduces waste of medical supplies (such as reused needles and IV tubing), indirectly controlling treatment costs.
Assisting Vascular Diagnosis and Treatment: It clearly visualizes the course and morphology of blood vessels, helping physicians quickly identify closed and bifurcated vessels in patients with varicose veins. This provides intuitive imaging support for varicose vein screening, preoperative evaluation, and postoperative follow-up, optimizing diagnostic and treatment decisions in vascular surgery and general practice clinics.
Value in Medical Aesthetics: Precise operation, guaranteed results and experience.
Reducing Postoperative Risks: It precisely avoids superficial capillaries in procedures such as hyaluronic acid injections, hyaluronic acid fillers, and kinase injections, minimizing postoperative bruising and swelling, shortening patient recovery time, and improving patient satisfaction with the aesthetic results.
Avoid Treatment Risks: Before laser treatment of red blood streak removal and hair removal, it can identify areas with abnormally dense blood vessels to avoid burns and pigmentation caused by laser energy accidentally acting on blood vessels; local anesthesia can be achieved with a “one-shot” injection, which reduces the spread of anesthetics and reduces postoperative swelling.
Product Functions
Core Function: Precise Vascular Visualization
Non-invasive Imaging: Utilizing 850nm near-infrared imaging technology, it generates no radiation and does not irritate the skin, making it safe for long-term medical diagnosis and treatment (such as regular infusions for chronic patients) or high-frequency aesthetic procedures (such as dermatological acupuncture treatments).
High-Definition Identification: Clearly captures subcutaneous vascular images with a vessel positioning and resolution accuracy of ±0.5mm, ensuring precise puncture in medical settings while precisely avoiding superficial capillaries with a diameter of 1-3mm in aesthetic settings.
Adaptable to Deep and Shallow Needs: With an imaging penetration depth of 8mm, it can capture both superficial veins (2-8mm in medical settings, such as those used for infusions and blood draws) and superficial vessels (0.5-3mm in aesthetic settings, such as facial capillaries), avoiding interference from images of deep veins or omissions of shallow veins.
Supports Seven-color Image Adjustment
Multi-skin Tone Adaptation: It supports seven-color image adjustment to eliminate skin tone interference. The seven colors can be switched with a single click using the “MODE” button on the device. Medical staff can quickly try different color modes before puncture without complicated adjustments to find the most suitable imaging effect for the current patient (newborn, child, adult) and puncture site. This design not only improves operational efficiency but also helps medical staff accurately locate blood vessels in a short time through the visual differences in color. This is especially crucial in time-sensitive scenarios such as emergency resuscitation and operating room anesthesia, saving critical time for successful puncture.
Offers Three Size Modes
Full Population Coverage: Offers three size modes (adult/pediatric/neonatal).The three sizes can be quickly switched with one click. When facing patients of different ages, medical staff do not need to change equipment. They only need to adjust the image size to obtain the best vascular imaging effect suitable for the population, which significantly improves puncture efficiency and success rate, while reducing the pain caused by repeated punctures. Especially in pediatric and neonatal departments, this design greatly optimizes the diagnosis and treatment process. It can be adapted for small blood vessel recognition in pediatric and neonatal settings in medical settings, and can focus on different operating areas such as the face (small size) and limbs (adult size) in aesthetic settings.
Invert Function
Invert Function:By adjusting the projection and reception logic of infrared light, the visualization effect of blood vessels can be switched between “positive” and “negative” modes. For example, in the normal mode, blood vessels are displayed in a bright light. After enabling the reverse function, the contrast between the blood vessels and the surrounding tissues is reversed, making it more suitable for the visual habits of different medical staff and facilitating rapid identification of blood vessels in complex lighting conditions. The reverse function can be optimized through algorithms to enhance the visualization of the edge contours of blood vessels, making the originally blurry vascular structure clearly distinguishable, thereby improving the success rate of puncture and reducing the pain caused to patients by repeated punctures.
Adjustable Light Intensity
Environmental and Interference Optimization: It supports multiple brightness levels from low to high, allowing medical staff to flexibly switch between different clinical scenarios (such as brightly lit operating rooms or dimly lit wards) to ensure clear visibility of blood vessels under any lighting conditions. Equipped with a one-touch brightness adjustment button or knob, it eliminates the need for complex operations and allows for quick adjustments during puncture without interrupting the treatment process. For children and patients with sensitive skin, the brightness can be reduced to minimize infrared light stimulation, improving patient comfort and cooperation. For patients with darker skin tones or thinner blood vessels, increasing the brightness enhances the contrast between the blood vessels and surrounding tissues, aiding in accurate identification.
Product Details
Battery Level Visualization
Battery level visualization: Real-time battery level is displayed above the projection screen, with automatic low-battery notifications to prevent unexpected power outages during punctures and aesthetic treatments, ensuring continuous operation.
Compact and Lightweight Design
Meticulous Design: This device is compact and lightweight, making it easy for medical staff to operate with one hand. Its ergonomic design provides a comfortable grip and reduces fatigue during prolonged use, making it ideal for departments such as pediatrics and emergency rooms where frequent movement is required.
Use Flexibly
Multi-mode operation: Supports handheld, desktop stand, and mobile cart. The handheld model is suitable for on-the-go medical emergency procedures and precision injections in aesthetic facials. The stand is suitable for fixed workstations in medical clinics and on aesthetic treatment tables. The cart is suitable for mobile use in wards and across multiple aesthetic treatment rooms.
Long-lasting battery life
Product Certificate
Product-related Videos
Debugging Size Video
Battery Replacement Video
Application Demonstration Video
Product List
Standard Configuration:
1.Main Machine
2.Charging Cable
3.Charging Adapter
4.Aluminum Carrying Case
5.User Manual
6.Calibration Card
7.Warranty Card
Optional Accessories
Table Stand
Mobile Stand








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