Latest Advancements in Devices and Tools for Capillary Blood Sampling

In the dynamic field of medical innovation, the continuous evolution of devices and tools for capillary blood sampling stands out prominently. Our primary emphasis centers on exploring the latest advancements that facilitate precise and gentle blood collection. This exploration will delve into state-of-the-art devices, critically analyzing their impact on both patient care and laboratory accuracy.

Key Takeaways

  • Capillary blood sampling devices are evolving with technological advancements, such as needle-free collection and improved accuracy with VAMS technology, improving patient comfort and reducing complications associated with blood sampling.
  • The growth in point-of-care testing and home diagnostics reflects an increased demand for capillary blood sampling devices that facilitate rapid, user-friendly, and decentralized medical testing.
  • While capillary blood sampling is becoming integral to chronic disease management and has demonstrated reliability in measuring various clinical analytes, market growth is challenged by factors such as patient hesitancy, regulatory hurdles, and technical issues related to blood viscosity.

Innovations in Capillary Blood Sampling Devices

Innovations in Capillary Blood Sampling Devices

Rapidly gaining traction in laboratories and research facilities, capillary blood collection devices offer simplicity, minimal discomfort for patients, and enhanced efficiency. These devices not only provide ease of use but also reduce the risk of complications associated with significant blood loss. Particularly beneficial for patients in intensive care units, their advantages position capillary blood collection devices as valuable assets in healthcare settings.

Technological Advancements

The evolution of capillary blood collection devices has been profoundly shaped by technological advancements. Notably, the introduction of Volumetric Absorptive Microsampling (VAMS) technology has revolutionized the precision of blood volume collection for subsequent analysis. VAMS is a contemporary microsampling technique designed to obtain dried specimens of blood and various biological matrices, serving a myriad of bioanalytical purposes. This innovation can be likened to the well-established dried blood spot (DBS) technique, which has been widely utilized for the past 40 years.

Novel Blood Collection Devices

The landscape of capillary blood collection has undergone a transformative shift, thanks to the emergence of cutting-edge devices. Notable among these are blood collecting tubes, the Onflow Serum Gel device, and the Steripath Gen2, each contributing to a more advanced and patient-friendly approach.

Developed by Loop Medical SA, the Onflow device employs needle-free technology, enabling the collection of capillary blood from the upper arm. This approach significantly reduces pain compared to traditional methods, marking a substantial improvement in the patient experience.

Another remarkable device in this domain is the Steripath Gen2, a creation of Magnolia Medical Technologies. This device seamlessly integrates a syringe, particularly beneficial for patients with challenging intravenous access. These novel devices not only expand the spectrum of available blood collection methods but also play a pivotal role in fostering the growth of the capillary blood collection devices market. By facilitating rapid diagnosis and offering added convenience, these innovations underscore the continuous evolution in the field of blood collection technology.

User-Friendly Devices

User-friendly blood sampling devices play a pivotal role in driving patient acceptance and engagement. Notably, Mitra-VAMS devices used in multi-omics blood sampling studies exemplify this by eliminating the need for participant training. Additionally, products from Tasso Inc. prioritize a patient-centric design, offering virtually painless blood collection from various body sites to minimize scarring and discomfort. The impressive 97% reuse rate of these devices underscores patients’ willingness to adopt and reuse them. Beyond their user-friendly attributes, devices like Tasso’s contribute to the digital aspects of remote sampling, facilitating decentralized clinical trials and enhancing overall clinical workflows.

The Impact of Point of Care Testing on Capillary Blood Sampling

The Impact of Point of Care Testing on Capillary Blood Sampling

The emergence of point-of-care testing has significantly shaped the demand for capillary blood sampling devices. This trend has been driven by several factors, including the increasing prevalence of chronic diseases and the inherent convenience associated with capillary blood sampling. POCT, serving as a primary driver, has propelled the market forward.

Furthermore, the integration of POCT into community healthcare settings has expanded the utilization of capillary blood sampling beyond traditional healthcare facilities. This expansion has led to the development of simple, user-friendly devices tailored for diverse environments and settings.

The impact of these developments was particularly pronounced during the COVID-19 pandemic. The surge in demand for capillary blood collection devices during this time, for testing and monitoring purposes, underscored the necessity for easily accessible testing methods.

Decentralized Testing

In the realm of decentralized testing models driven by point-of-care testing, capillary blood sampling has gained prominence for its efficiency in obtaining results swiftly and with user-friendly ease. These models are applied across a spectrum of settings, including school nursing, sporting events, remote locations, and diagnostic centers, all of which require on-site rapid diagnostic capabilities.

In resource-limited settings, specialized devices like Onflow prove to be a valuable solution for decentralized testing. Onflow’s advantages include:

  • Self-collection by non-specialized individuals
  • Integration with standard laboratory procedures
  • Convenience for various testing scenarios
  • Ability to produce large sample volumes
  • Multiple preparation options

These features make Onflow a valuable tool for decentralized testing.

Remote Sampling and Home Diagnostics

Technological strides have significantly transformed healthcare practices, notably in the domain of self-sampling at home, minimizing the need for frequent clinic visits, particularly for capillary blood sampling. Key devices in this paradigm shift include Mitra with VAMS technology, hemaPEN, and the Onflow device, each playing a pivotal role in advancing remote capillary blood sampling. This evolution has not only streamlined care processes but has also fostered shared decision-making between patients and clinicians, thereby enhancing overall patient experience.

The adoption of self-organized capillary blood sample collection has garnered positive responses from patients, demonstrating high usability in feasibility studies. This approach holds the potential to elevate participation in research studies, particularly benefiting individuals in remote or underserved areas. Beyond its initial successes, this method of blood collection is gaining traction for managing and monitoring various conditions, including;

  • cardiovascular diseases
  • diabetes
  • anemia
  • genetic disorders.

Notably, these applications extend outside the confines of traditional clinical settings. The integration of microsampling with real-time wearable data signals a transformative future for precision healthcare, promising a comprehensive and dynamic view of an individual’s health.

Applications of Capillary Blood Sampling in Chronic Disease Management

Applications of Capillary Blood Sampling in Chronic Disease Management

Within the spectrum of chronic disease management, capillary blood sampling assumes a pivotal role. Its efficacy is evident in conducting fundamental tests such as HbA1c, CRP, and total protein assessments. This approach extends its reach beyond conventional boundaries, reaching remote settings, thereby enhancing patient experience and contributing to the effective management of chronic respiratory diseases. However, challenges emerge, notably in tests like potassium measurement, where delays in analysis may introduce reliability concerns.

The pressing need for capillary blood sampling devices gains significance against the backdrop of the escalating prevalence of chronic diseases and conditions like anemia, particularly in developing countries. As the demand intensifies for reliable diagnostic tools, these devices become indispensable in addressing a diverse array of healthcare needs on a global scale.

Diabetes Care Devices

Capillary blood sampling holds significant importance in the management of diabetes, particularly for monitoring glycated hemoglobin (HbA1c), a crucial diagnostic measure in diabetes care. The levels of HbA1c obtained from capillary blood are reliably equivalent to those from venous blood, making them suitable for clinical use. Additionally, capillary blood tests for other markers like C-reactive protein (CRP) and total protein have demonstrated sufficient congruence with venous samples, further supporting their clinical utility in diabetes monitoring.

Market Growth and Key Players in Capillary Blood Sampling Devices

Market Growth and Key Players in Capillary Blood Sampling Devices

The capillary blood sampling devices market is poised for substantial growth in the coming years. With a market value of USD 1.8 Billion in 2023, it is expected to witness a compound annual growth rate (CAGR) of 7.7% from 2024 to 2032. However, recent events such as the Russia-Ukraine war and the post-COVID-19 pandemic have introduced significant dynamics, leading to economic instability and disruptions in the supply chain. Despite these challenges, the demand for capillary blood sampling devices is on the rise due to increased consumer awareness regarding health and wellness.

Leading Market Players

The capillary blood sampling devices market is being shaped by key companies including:

  • Abbott Laboratories
  • Becton Dickinson and Company (BD)
  • Cardinal Health
  • Greiner Bio-One International GmbH
  • Terumo Medical Corp.
  • B. Braun Melsungen AG

These companies are making substantial investments in new product development and expanding their distribution networks, driving innovation and contributing significantly to the market’s growth and expansion.

Challenges and Opportunities in Capillary Blood Sampling Devices

Challenges and Opportunities in Capillary Blood Sampling Devices

Capillary blood sampling devices, despite facing obstacles, bring crucial opportunities to the healthcare landscape. They provide a less invasive method for blood collection, enhancing patient comfort and potentially improving compliance. Moreover, these devices support decentralized healthcare, allowing patients to conveniently perform blood tests at home or in community settings without the need for specialized medical personnel. Recognizing these opportunities is essential for advancing patient-centered care.

Barriers to Adoption

While capillary blood sampling devices offer numerous benefits, their adoption faces significant barriers, including:

  • Patient hesitation due to fear of needles and self-injury
  • Stringent compliance requirements posing regulatory challenges
  • Technical challenges, such as accommodating different blood viscosities, which can impede device performance and acceptance.

Benefits of Adoption

Capillary blood sampling devices offer a multitude of benefits, playing a crucial role in the advancement of personalized medicine. They facilitate ongoing multi-omics data collection throughout an individual’s life, aligning with the evolving landscape of healthcare. Additionally, modern designs prioritize patient safety by integrating technologies that effectively minimize contamination risks.

This patient-centric approach extends to the preference for decentralized capillary blood sampling devices, with a staggering 99% of patients favoring them over traditional methods. This strong endorsement underscores the convenience and widespread acceptance of these devices, paving the way for their increased adoption in clinical practice.

Clinical Trials and Research on Capillary Blood Sampling Devices

The effectiveness and potential of capillary blood sampling devices for future applications have been demonstrated through clinical trials and research. For instance, the Onflow Serum Gel device, a novel capillary blood collection tool, was tested in a pilot study with 100 healthy participants. The results showed that 96.5% of participants favored the Onflow device over venepuncture, particularly citing its lower pain ratings and simplicity.

Due to its design focused on patient comfort and the ability to work with automated systems for analyzing various analytes, the Onflow novel blood collection device shows promise as an alternative to traditional methods of blood collection.

Clinical Trial Results

Clinical trials showcasing the success of devices like Onflow and Tasso-M20 in capillary blood collection and analysis provide valuable insights. The Onflow device, for instance, demonstrated remarkable efficacy by collecting approximately 1 mL of blood from 99% of participants within a 12-minute timeframe, boasting a 91% success rate on the first attempt. Interestingly, analytes such as ALT and AST exhibited comparable performance when collected with the Onflow device compared to traditional venepuncture. This suggests that these devices have the potential for reliable bio-marker analysis, marking a significant advancement in blood collection technologies.

Notably, the Onflow device minimizes specimen rejection due to low volume, achieving an impressive 3% rejection rate. Its capacity to collect larger volumes of around 1 mL contributes to this reduction, further highlighting the device’s efficiency.

In addition to the success of individual devices, a comprehensive study involving 117 paired capillary and venous blood samples validated the efficiency of remote finger-prick blood testing compared to traditional venesection methods. Stanford Medicine’s research introduced a multi-omics approach to blood sampling, capable of collecting comprehensive health data from micro samples. This innovation may potentially reduce the reliance on traditional venous blood draws.

Expanding the scope of capillary blood sampling, the Tasso-M20, a remote sampling device, supports whole-dried blood sample collection for pharmacokinetic monitoring. This showcases the diverse applications of capillary blood sampling in remote monitoring and research contexts, emphasizing its potential impact on advancing healthcare practices.

Future Research Directions

Future research directions should consider exploring the potential of self-organized blood collection as a method for serological studies. In doing so, the choice of blood collection methods must be tailored to the distinctive characteristics of the study participants. Customizing research designs to incorporate self-organized blood collection methods may not only enhance efficiency but also lead to more effective blood sampling procedures.

Moreover, there is a need to develop structured research guidelines for the integration of self-organized blood collection in studies focusing on capillary blood sampling devices. Such guidelines would play a crucial role in advancing the quality and reliability of research in this domain.


In conclusion, capillary blood sampling devices are reshaping the paradigm of blood collection, propelled by technological innovations, patient-centric designs, and the increasing focus on point-of-care testing. These devices are pivotal in the management of chronic diseases and are poised for substantial market growth. Despite encountering challenges like patient hesitancy and regulatory obstacles, the advantages of adopting these devices, including less invasive blood collection and the promotion of decentralized healthcare, outweigh the barriers. Continuous clinical trials and research endeavors consistently underscore their effectiveness, pointing towards a future where capillary blood sampling devices become integral to healthcare provision.

Further Reading

Frequently Asked Questions

Which technique can be performed to improve a capillary blood collection site?

To enhance the capillary blood collection site, gently massage the patient’s hand and the lower part of the finger in a downward position. This technique promotes increased blood flow, ensuring an efficient and effective collection process.

What is the new technology in blood collection?

A cutting-edge technology in blood collection, the PIVO Pro developed by BD, a leading medical technology company, enables direct blood sample collection from a patient’s peripheral IV line. This innovative approach seeks to streamline the blood draw process, minimizing the requirement for multiple needle sticks and enhancing patient convenience.

What devices are used for capillary blood sampling?

Lancets serve as the primary devices for capillary blood sampling, commonly employed in fingerstick tests, particularly for individuals with diabetes. Additionally, other devices used in this process encompass microcontainer tubes, microhematocrit tubes, sealants, and warming devices.

What are the benefits of capillary blood sampling devices?

Capillary blood sampling devices offer several benefits, including less invasive blood collection, minimal discomfort, and efficiency. These devices are especially advantageous for patients in intensive care units, as they require minimal blood volume, thereby reducing potential complications.