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safeCLINITUBES capillary tubes

Minimize the risk of contact with patient blood and match the sample volume requirements of different analyzers

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  • Made of plastic
  • Available with two types of heparin
  • Different volumes

The capillary tubes made for neonates

In neonates, capillary blood samples are desirable over other forms of sampling. This is because frequent blood collection from patients with low blood volume can result in anemia.

safeCLINITUBES—the capillary tubes from Radiometer—are made of plastic, not glass. It empowers you to: 

  • Minimize the risk of contact with patient blood
  • Reduce the risk of preanalytical errors, specifically the formation of clots
  • Match the sample volume requirements of different analyzers

Our range of safeCLINITUBES capillary tubes

Electrolyte balanced heparin

45 μl, 70 μl, 100 μl and 125 μl

High concentration heparin

55 μl and 85 μl

Specialists by blood

Radiometer - specialists by bloodThe history of Radiometer as we know it today began in 1954 when Radiometer developed the world’s first commercially available blood gas analyzer. Since then, we have refined our blood gas testing knowledge and experience and continue to advance our acute care diagnostic solutions.  

Explore the safeCLINITUBES capillary tubes

Get to know the capillary tubes that meet your blood gas testing needs in the NICU and maternity ward


 

 
 

Mixing wire and magnet

Designed to facilitate thorough mixing of your sample  Magnet

 

END CAP

Designed to help seal the capillary tubes, preventing contact with patient blood

 

Made of plastic

Less likely to break

 

Heparin

Pre-heparinized with dry electrolyte-balanced heparin, designed to minimize clots

 

Wide range of volumes

With low volumes available, minimize the amount of blood you need to take from your patient when using Radiometer blood gas analyzers.

Explore the safeCLINITUBES capillary tubes

Get to know the capillary tubes that meet your blood gas testing needs in the NICU and maternity ward


 

 
 

Wide range of volumes

With low volumes available, minimize the amount of blood you need to take from your patient when using Radiometer blood gas analyzers.

 

Mixing wire and magnet

Designed to facilitate thorough mixing of your sample Magnet

 

END CAP

Designed to help seal the capillary tubes, preventing contact with patient blood 

 

Made of plastic

Less likely to break.

 

Heparin

Pre-heparinized with dry electrolyte-balanced heparin, designed to minimize clots 

Image of a Clinitube capillary tube in useImage of a Clinitube capillary tube in use

Capillary blood sampling in the NICU

56% of all procedures in the neonatal unit are performed using capillary blood samples. Capillary blood sampling is less invasive and requires a smaller amount of blood volume than venipuncture. Compared to other methods of blood sampling that require higher volume, capillary blood sampling reduces the risk of anemia in NICU patients and avoids the effects of blood volume reduction. [1]

Plastic microcollection devices are recommended for capillary blood sampling. After collecting the sample, these devices need to be capped immediately to prevent room air exposure. Capped samples should be mixed immediately to prevent clots. [1]

Related knowledge sources

Minimizing preanalytical errors

Learn more about the most common preanalytical errors and advice on how to prevent them.

Preanalytical blood gas errors

This handbook focuses on the preanalytical phase of blood gas testing and what you can do to minimize errors.

How-to videos - guide to blood gas

Watch six educational videos to support you in understanding blood gas analysis.

References:

1. Krleza J, Dorotic A, Grzunov A, Maradin M. Capillary blood sampling: national recommendations on behalf of the Croatian Society of Medical Biochemistry and Laboratory Medicine. Biochemia Medica 2015; 25, 3: 335-58.

MAPSSS-000873 R2

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