FAQ: General

How does a Tasso device work?
The Tasso Button sticks to the skin with a light adhesive. When the button is pressed, a vacuum forms and a lancet pricks the surface of the skin. The vacuum draws blood out of the capillaries and into a compatible container attached to the bottom of the Tasso Button.

Is this a needle-free blood collection system?
Some people refer to Tasso Devices as a needle-free system since it does not use a hollow venipuncture needle to enter a vein.

How can I purchase a Tasso kit?
Tasso kits are available for purchase by healthcare providers, laboratories, clinical research organizations, and pharmaceutical companies. To receive a customized quote, please contact us.

FAQ: Blood Collection

How many times can each Tasso device be used?
Each device is used one time to collect a sample and is then discarded.

Does it hurt to collect blood with the Tasso device?
Participants in clinical studies have reported lower levels of pain with the Tasso device compared to collecting blood with a finger stick or standard venipuncture procedure.

Does someone need to be trained to collect blood with a Tasso device?
Tasso’s Instructions for Use and packaging are usable by people without any medical training or knowledge. The product has undergone extensive usability testing with naive participants who received no specific training.

Does Tasso have video instructions available?
Yes. Please visit our online product use videos.

Can Tasso devices be used to collect blood from pedriatric patients?
Tasso devices are currently being studied in pediatric research use cases.

Are there any populations that cannot use Tasso devices?
Tasso devices should always be used in accordance with the guidelines established by the customer’s clinical or medical team. The Tasso-M20 should not be used on infant heels.

FAQ: Sampling Kit

Are blood samples shippable?
Dried blood samples are not considered biohazards and can be shipped without special packaging requirements.

Tasso liquid sample packaging has been designed to meet Exempt Human Specimen requirements. Customers can add UN3373 labelling and meet the UN3373 requirements.

Shipping over some international borders may require specific authorization.

How are kits shipped?
In the United States the sampling kits can be shipped via standard first class United States Postal Service (USPS) service, or courier service.

Is the same box used for both outbound and return shipping?
If outbound shipping is desired the pre-addressed kit with a return label can be placed in a standard mail bubble shipper envelope for outbound delivery.

FAQ: Tasso+

What is the regulatory status of the Tasso+?
The Tasso+ is a 510(k)-cleared Class II Lancet, is CE Marked, MHRA registered, Licensed with Health Canada, and available in Switzerland.

What kind of samples does the Tasso+ collect?
The Tasso+ collects liquid samples of whole capillary blood.

How much blood does the Tasso+ collect?
Blood volume is dependent on the type of tube used but averages 200-600μL. Please refer to the tube specifications.

What tubes are compatible with the Tasso+ device?
Refer to the Tasso+ kit brochure for the most up to date kit configurations available. Sample processing instructions will mirror tube manufacturer's labeling.

FAQ: Tasso-M20

For what purposes can I use the Tasso-M20?
The Tasso-M20 can be used for non-diagnostic purposes, such as pharmacokinetic (PK) monitoring in pharmaceutical clinical trials.

What is the regulatory status of the Tasso-M20?
The Tasso-M20 is CE Marked and available for Research Use Only in the United States.

What kind of samples does the Tasso-M20 collect?
The Tasso-M20 collects dried samples of whole capillary blood.

How much blood does the Tasso-M20 collect?
The Tasso-M20 collects 4 samples of 17.5μL each with a coefficient of variation (CV) of <5%.

Can any lab analyze the blood samples collected by the Tasso-M20?
Tasso has preferred laboratories ready to analyze samples immediately, or can help a customer’s preferred laboratory establish processes to analyze the samples.

What analytes can be measured with the Tasso-M20?
The Tasso-M20 is designed to collect, store and transport samples for analysis related to pharmacokinetic monitoring (PK) or therapeutic drug level monitoring (TDM). Tasso-M20’s dried blood samples can collect and stabilize samples for drugs that are small molecules, proteins, antibodies or contain nucleic acids.