New simple, easy to use spirometer is ideal for the simple assessment of lung health in the office setting. Features FVC testing. Meets ATS recommendation for diagnostic spirometry.
The EasyOne™ Spirometer incorporates an ultrasonic flow sensor to measure the flow of air in and out of the patients lungs.
Ultrasonic flow measurement eliminates problems associated with traditional methods of flow measurement and helps make the EasyOne™ spirometer extraordinarily fast, reliable, accurate, and mistake proof. There are no moving parts, no codes to enter, no screens to catch sputum, and no disposables to calibrate. Ultrasonic flow measurement is independent of gas composition, pressure, temperature, and humidity; and eliminates errors due to these variables.
Transducers located on either side of the spirette cavity emit and receive sound in alternating directions. When gas flow is present in the tube, a pulse that travels against the flow (traveling upstream) is slowed down and takes a longer time to reach the opposite transducer. Conversely, a pulse traveling with the flow (traveling downstream) is sped up and takes a shorter time to reach the opposite transducer.
The transit time of the sound pulses is precisely measured with a digital dock. The gas flow through the spirette™ is then calculated from the upstream and downstream transit times. This calculation is independent of gas composition, pressure, temperature, and humidity; and eliminates errors due to these variables.
The disposable spirette™ acts only as a hygienic shield and is transparent to the ultrasonic pulses traveling between the measurement transducers. Since the disposable spirette™ has no sensor elements, it does not perform a measurement function and does not require calibration.
TrueFlow, developed by ndd, is the new revolutionary way of directly measuring flow of inhaled and exhaled breath without the need for a mechanical sensor. The benefits to the users by applying ndd
TrueFlow and spirette™ are striking and with major impact to practical application of spirometry:
- no contamination of measuring sensor, no cleaning
- no cross contamination of patients
- no calibration
- no variables need to be input (temperature, humidity, pressure)
- no maintenance of any kind
- measuring accuracy like big lab instruments
Endorsed, worldwide proven
- by NASA, MIR space programs in use for crew monitoring in outer space
- ATS, ERS, CSA, JAPAN, FDA, CE, NIOSH, OSHA, GOLD, BOLD, Platino
- drug makers for clinical and marketing studies
- major Asthma / COPD drug companies
- top references in USA, EU, Japan, Asia, Australasia, Latin America
Keypad
- alpha numeric
- data entry like cell phone
Cradle (base station)
- for standby positioning of the EasyOneTM
- for communication from the EasyOneTM:
- directly to printer, serial or USB
- to PC (by the EasyWareTM software)
- to modem / telephone (studies, home use etc.)
- direct encrypted e-mail transmission
EasyOne ScreenTM for connection of the EasyOne ScreenTM to a PC
- direct real time FV and FT curve
- reject / accept feature
- children incentive screen
The display
- 5 lines with ample space for clear communication
- used for guidance to achieve high grade tests
- gives instant results and diagnosis
Lowest running costs
- different consumable options; single use and reusable spirettes to match the user’s priority
- no costly calibration nor any other maintenance
- no down time
Spirette
- the best docking for adults and children
- hygienic single patient consumable for full contamination control
Vast memory
- up to 700 patients (first in first out)
- secured memory, no accidental loss when battery low
- multiple units may be used with one cradle and one EasyWareTM PC software
Report
- plain paper A4 or letter size in colors with clear and lasting print
- ready to be filed and stored
- direct USB connection to printer
- export to ‘word’, ‘excel’ etc.
Battery powered
- 2 AA standard batteries last for approximately 400 tests
- no need for re-charging, no down time
- works everywhere, any time
Frequently Asked Questions
Why does EasyOne not need to be calibrated?
Do I need to use a filter?
How accurately does the EasyOne measure in low flow situations, such as when testing children?
Is the spirette suitable for children?
Can the predicted normals be changed?
What is the internal memory size?
Which printers work with EasyOne?
Why is EasyOne not equipped with rechargeable batteries?
Are other spirometers cheaper to operate?
Why does EasyOne not have an integrated printer?
Can masks be used with EasyOne?
Can I use filters with EasyOne?
Answers
Why does EasyOne not need to be calibrated?
The following two main characteristics make the instrument calibration free:
a) The EasyOne spirometer determines flow by measuring the flight time of ultrasonic pulses. The time measurement is performed digitally using a precision quartz clock.
b) The transducers that are used for this time measurement are mounted outside of the flow tube. Changing the flow tube does not change the characteristics of the transducers.
In addition, the ultrasonic flow measurement is inherently independent of temperature, humidity, pressure, and gas composition. While the EasyOne does not require calibration, it is important to note that the American Thoracic Society, NIOSH/OSHA, and others recommend that the accuracy of the spirometer be verified on a regular basis. This verification is easily done using the ndd 3-liter syringe.
Do I need to use a filter?
Most spirometers use some sort of flow sensor that is in direct contact with the exhaled breath. Filters are used to reduce the contamination of this sensor. The EasyOne spirometer, on the other hand, measures the flow in a completely open tube using ultrasonic transit times. Cross-contamination can be completely avoided by changing the flow tube (the Spirette) between patients.
How accurately does the EasyOne measure in low flow situations, such as when testing children?
There is no problem using the EasyOne spirometer for children: The ultrasonic flow measurement is very sensitive at low flows (flow resolution is below 10 ml/s) and the flow tube exhibits an extremely low flow resistance.
Is the spirette suitable for children?
The spirette flow tube's special ergonomical design easily accommodates a child's lips and teeth. The flow tube can be used for both adults and children down to the age of five years.
Can the predicted normals be changed?
Several predicted normal values can be selected from the Setup menu. An overview of the predicted normals is available on the EasyOne Documentation page. We appreciate your feedback if important predicted normal values are missing.
What is the internal memory size?
EasyOne automatically stores more than 700 test sessions (patient data, test results, and curves). These measurements can be selected and viewed at any time. They can also be printed individually or in ranges upon demand. Using the PC software EasyWare the measurements can be downloaded to a PC database.
Which printers work with EasyOne?
A wide range of black & white and color printers from the manufacturers Canon, Epson, and HP is supported. Because printer models change frequently we are not always able to provide a complete list of compatible printer models. The most current list is available on our EasyOne Documentation page. However, if your printer is not listed you may contact ndd for guidance. The printer type can be chosen from the Setup menu.
Why is EasyOne not equipped with rechargeable batteries?
The power consumption of EasyOne is very low. With two AA alkaline batteries approximately 400 measurements can be executed. Rechargeable batteries would make the device less reliable and more expensive.
Are other spirometers cheaper to operate?
For the following reasons EasyOne has low operating costs:
a) Due to its operational principle EasyOne does not require re-calibration.
b) There is no need to buy a calibration syringe, unless you want to verify accuracy.
c) You do not need to buy filters.
d) The flow sensor is robust by design.
e) No expensive and sensitive parts can be contaminated.
f) There is no maintenance required.
Why does EasyOne not have an integrated printer?
We chose to use commercially available letter size / A4 format black & white or color printers. With these low cost printers you get an easy to read one or two-page report that will archive indefinitely. This is in contrast to small thermo "strip"-printers where the report is difficult to file, and is likely to fade, and even disappear, during long-term storage.
Can masks be used with EasyOne?
Yes you can use masks. There are 2 possibilities:
A) commonly available masks with 22mm joint flange; cut the mouth piece part of the spirette as shown and insert the modified spirette.
B) Laerdal silicone masks allow the use w/o any modification of the spirette.
Fold the mouthpiece part of the spirette and insert the spirette (mouthpiece first from the front) through the mask opening. This can be important whenever you need to use unmodified original parts (Studies etc.).
Can I use filters with EasyOne?
You do not need to. EasyOne uses the hygienic and easy to use spirette for safe, maintenance and calibration free spirometry. Should for any reason a filter be needed the spirette adapter art.# 100-2789 can be used in conjunction with spirette M 2050-7.