DEVICES SOLUTIONS RESOURCES ABOUT CONTACT Frequently Asked Questions FAQ: General How does a Tasso OnDemand 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 sample pod attached to the bottom of the Tasso Button. Is this a needle-free blood collection system? Some people refer to Tasso OnDemand 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 OnDemand kit? Tasso OnDemand sampling kits are available for purchase by healthcare providers, laboratories, clinical research organizations, and pharmaceutical companies. To receive a customized quote, please contact us. Where are Tasso devices made? Tasso Devices are manufactured at the Tasso Manufacturing Facility in Seattle, WA, USA. Can the Tasso kits be used outside the US? If you’d like to use the sampling kits outside the US, please contact us and we will provide more information. 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. How many times can someone sample in a single day using Tasso devices? There is no set limit to the number of samples someone can collect in a single day. In studies, Tasso OnDemand Devices have been used up to 8 times on the same patient in the same day. 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. Can a Tasso device be used for both self-collection and collection by a professional in the clinic? Yes, a Tasso OnDemand Device is optimized for self-collection in the home by naive participants, but works equally well when used by a professional on a patient in a clinic setting. Does Tasso have video instructions available? Yes. Please visit our online product use videos. Can Tasso OnDemand devices be used to collect blood from pedriatric patients? Tasso OnDemand devices are currently being studied in pediatric use cases. Are there any populations that cannot use Tasso OnDemand devices? Tasso OnDemand 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 How big is each kit? Each kit measures approximately 6.75x4x1.4in (17x10x3.5cm) and weighs approximately 3.4oz (100g). Are blood samples shippable? Dried blood samples are not considered biohazards and can be shipped as an exempt human specimen (UN3373 exempt). Shipping over some international borders may require specific authorization. How are kits shipped? In the United States the sampling kits are shipped via standard first class United States Postal Service (USPS) service. Is the same box used for both outbound and return shipping? Yes, if outbound shipping is desired the kits can either be shrink-wrapped with an outbound shipping label placed directly over the return shipping label, or the pre-addressed kit with a return label can be placed in a standard USPS priority mail bubble shipper envelope for outbound delivery. What is the shelf life of a kit? Kits have a shelf life of 6 months. FAQ: Tasso+ What is the regulatory status of the Tasso+? The Tasso+ is registered with the FDA as a Class I product, and the Tasso+ Kits are registered with the FDA as Class II convenience kits. 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. Can any lab analyze the blood samples collected by the Tasso+? Tasso has preferred laboratories ready to analyze samples immediately, or can help a customer's preferred laboratory establish processes to analyze the samples. What tubes are compatible with the Tasso+ device? Refer to the Tasso+ flyer 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 has obtained CE mark certification and is registered with the FDA as a Class I product. 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 20μL 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. FAQ: Tasso-SST For what purposes can I use the Tasso-SST? The Tasso-SST can be used for investigational purposes to enable patients to self-collect blood samples at home that are sent back to a lab for serum analysis. What is the regulatory status of the Tasso-SST? The Tasso-SST is available for investigational use only (IUO). What kind of samples does the Tasso-SST collect? The Tasso-SST collects samples of whole capillary blood without an anticoagulant. These are intended to be spun into serum upon receipt at the lab. How much blood does the Tasso-SST collect? The Tasso-SST collects a minimum of 80μL of whole blood that can be spun into serum. Can any lab analyze the blood samples collected by the Tasso-SST? Only CLIA High Complexity Certified laboratories may analyze samples related to COVID-19 antibody testing. For other tests, 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-SST? The Tasso-SST is designed to collect, store and transport samples for the measurement of various analytes in serum, such as viral antibodies. TERMS OF USE PRIVACY POLICY Tasso, Inc. 1631 15th Ave W, Suite 105 Seattle, WA 98119 United States