GM Instruments -NV2 Rhinospirometer
The NV2 Rhinospirometer is a stand-alone device which allows the measurement of portioning of airflow between two nasal passages and provides a Nasal Partitioning Ratio (NPR).
Used with subjects who have a Septal Deviation, clinical work has identified a key ratio, above which subjects are likely to benefit from surgery and below which, they are unlikely to benefit.
As the patient breathes in through two nasal adaptors, the volume of air through each side of the nose is measured. A nasal partitioning ratio (NPR) can be easily calculated from the nasal volumes.
Clinical work published suggests that NPR values within a range of +/-0.3 are normal while figures greater than that indicate a degree of asymmetry, which may benefit from surgery.
Developed in conjunction with the Common Cold Centre Cardiff University, UK.
The NV2 Rhinospirometer has a number of benefits to the user:
- Aids selection of patients for Septoplasty
- Software compatible with Windows 10
- Rapid test which requires minimal patient co-operation
- Provides the user with documented confirmation of the success of the procedure
- Pre/Post challenge or operative comparisons
- Anatomical or conical nose pieces for rapid connection
- Small & lightweight
- Dimensions : 21x8x15cm
- Weight : 2kg
- Supply Voltage : Universal (Free-standing model) / USB (PC Link)
- Power Consumption : 3 watts
- Repeatability : > 2% FSD
- Volume Accuracy (0–5L) : > 3% FSD
- Standards : BS EN 60601-1: Edition 3.1 plus EMC Edition 4, Class IM, CE Mark
- Warmup Time : 5 Minutes