1.The application of Doppler ultrasound technology in venous localization

A research team from the Georgia Institute of Technology in the United States has developed a low-cost handheld device that uses Doppler ultrasound technology to quickly locate veins. This device distinguishes arteries from veins by emitting ultrasonic beams and analyzing blood flow reflection signals, and guides punctures in real time. It is particularly suitable for situations where veins are difficult to locate, such as in patients with trauma or burns. This technology has entered the human testing stage and is expected to achieve a portable design the size of a pen in the future.



2. Market and Technological Trends of Projection Vein Detectors

Technical classification: Laser, infrared and ultrasonic are the mainstream technologies. Laser technology has high precision and is suitable for intravenous injection and sclerotherapy. Infrared technology is low in cost and portable, and is often used for first aid. Ultrasound is widely used in vascular surgery due to its non-invasiveness and deep vein imaging ability.

Market-driven: The rising incidence of vascular diseases (such as varicose veins and deep vein thrombosis) and the increasing demand for minimally invasive surgeries have driven market development. By 2032, the global market size is expected to reach 10.8 billion US dollars, with a compound annual growth rate of 9.05%.



3. Technological breakthroughs in Infrared vein detectors and their impact on the supply chain

Technological progress: Near-infrared (NIR) imaging technology has significantly enhanced the accuracy of vein visualization, especially suitable for obese or dark-skinned patients. The portability of handheld devices makes them applicable in home care and remote areas.

Trade policy impact: The additional tariffs imposed by the United States have affected the technological flow and supply chain layout of the infrared vein detector industry, prompting Chinese enterprises to accelerate localized research and development, and at the same time promoting international enterprises to adjust their global value chains.



4. Vein recognition and biometric technology

The BK series of dorsal hand vein recognition systems developed by NEXTERN of South Korea and the palm vein imaging technology of Fujitsu of Japan both capture the distribution of subcutaneous veins through infrared rays and are applied in the field of identity authentication. Research from the University of Tennessee in the United States utilized CCD cameras combined with infrared filters to capture vein images, exploring their potential in the medical and security fields.



5. Tip catheter positioning technology (such as the Sherlock 3CG system)

The Sherlock 3CG system recommended by the American Society of Intravenous Infusion Nurses (INS) combines magnetic tracking and ultrasound guidance to achieve real-time positioning of PICC catheter insertion. This technology precisely determines the position of the catheter tip through changes in electrocardiogram signals (such as color changes in P-waves), reducing X-ray exposure and the risk of complications. It has been clinically promoted abroad.



6. Non-invasive central venous pressure (CVP) measurement technology

A research team from Massachusetts General Hospital in the United States has developed quantitative compression ultrasound (QCU) technology to non-invastively estimate CVP by measuring the collapse force of the internal jugular vein. Studies have shown that the accuracy of QCU is significantly higher than that of the traditional jugular pulse height measurement method, providing a new tool for the monitoring of diseases such as heart failure.



7. Clinical Application and Market Pattern of Venous Viewing Devices

The main enterprises: AccuVein (handheld infrared device), VeinViewer (high-precision projection technology), BD (medical equipment giant), etc. dominate the market. AccuVein’s products have become industry benchmarks due to their portability and real-time imaging capabilities.

Application scenarios: Hospitals (blood drawing, intravenous injection), clinics (minimally invasive surgery), and blood donation centers (efficient blood collection) are the main application fields, with North America and Europe occupying the largest market share.



8. Neuroscience correlation research of venous imaging

The study published in "Nature Communications" utilized the displacematic MRI (DiSpect) technique to reveal the hemodynamic changes of the cerebral venous system during neural activation. This technology not only enhances the resolution of venous imaging, but also provides a new perspective for the diagnosis of brain diseases such as stroke and multiple sclerosis.

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The new technology for finding veins usually refers to one of the biometric technologies, namely vein recognition technology. Vein recognition is a biometric technology that verifies an individual’s identity by scanning and analyzing the vein images of a person’s fingers or hands. It uses the biological characteristics of the human venous system for identity authentication. These biological characteristics are unique to each person and difficult to forge, thus having high security and accuracy.



Regarding new technologies for finding veins, there are continuous new researches and developments to enhance recognition accuracy, precision and speed, while reducing costs and improving user experience. Some new technologies and trends include:



1.Multimodal biometric recognition: Combining vein recognition with other biometric features, such as fingerprint and facial recognition, to enhance recognition accuracy.



2.3D venous imaging: Utilizing three-dimensional imaging technology to obtain more detailed venous structure information, enhancing security and resisting attacks from biometric photos or models.



3. Mobile devices: Introduce miniaturized and portable vein recognition devices to provide more flexible solutions for mobile devices and machines.



4. Blockchain Technology: By integrating blockchain technology, ensure the secure storage and sharing of vein data, and protect user privacy and identity security.



5. Cloud Integration: Integrate vein recognition technology with cloud computing and the Internet of Things to provide more convenient identity verification solutions, such as applications in healthcare, finance, logistics and other fields.

The development of these new technologies has led to significant progress in vein recognition technology in terms of security, reliability and user experience, providing a wider range of applications for various fields.

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Tel : +86-187 9586 9515
Email : sales@zd-med.com
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In the dental supply industry, quality and consistency are essential. At the heart of every dental clinic are disposable consumables like Dental Bibs, which ensure hygiene and comfort for patients. As a professional supplier, we not only specialize in producing high-quality Dental Bibs, but also offer premium Dental Bib raw materials, giving our partners a one-stop solution for reliable supply and customized production needs.

Our Dental Bibs are manufactured using top-grade raw materials, including absorbent tissue and waterproof PE film. By controlling the entire production chain—from raw material processing to finished product—we ensure stable quality, competitive pricing, and the flexibility to meet various specifications for global markets. Whether you're sourcing standard Dental Bibs or looking for customized printing and packaging, we have the production capacity and experience to deliver.

In addition to finished products and raw materials, we also provide advanced machinery solutions. As a trusted Dental Bib machine equipment manufacturer, we offer efficient, easy-to-operate equipment that integrates cutting, folding, and packaging processes. These machines are designed to work seamlessly with our raw materials, helping clients reduce waste, improve output, and maintain consistent product standards.

Choosing the right partner matters. That’s why businesses around the world trust Telijie. Beyond being a reliable source for Dental Bibs, Dental Bib raw materials, and machinery, Telijie is known for its excellent customer service. We provide full technical support, fast response times, and expert consultation to ensure your production line runs smoothly. From product to service, Telijie delivers with professionalism and integrity.

Partner with Telijie today—your complete solution for Dental Bib production and beyond.

Shipping biological, medical, or laboratory specimens requires strict adherence to safety regulations and proper packaging to ensure integrity during transit. Whether you're a healthcare provider, researcher, or laboratory professional, following the correct protocols is essential to avoid contamination, delays, or compliance issues.

Key Steps for Safe Specimen Shipping

• 1. Proper Packaging (Triple Packaging System)

To meet international standards (IATA, DOT, and WHO guidelines), specimens must be secured in a triple-layer system:

Primary Container: Leak-proof, sterile vial or tube with a secure lid, placed in a sealed biohazard bag.

Secondary Container: Absorbent material (e.g., padding or absorbent pellets) to contain leaks, inside a durable, leak-resistant container.

Outer Shipping Box: Sturdy corrugated box labeled with biohazard symbols (if applicable) and shipping information.

• 2. Compliance with Shipping Regulations

Category A (Infectious Substances): Requires UN-certified packaging and special labeling (e.g., UN2814 or UN2900).

Category B (Biological Substances): Must follow UN3373 packaging standards.

Exempt Specimens: Non-infectious materials may have simpler requirements but still need secure packaging.

• 3. Temperature Control (If Needed)

Cold Shipping: Use gel packs, dry ice (UN1845), or liquid nitrogen for temperature-sensitive specimens.

Room Temperature: Ensure stable conditions to prevent degradation.

• 4. Documentation & Labeling

Proper Shipping Name (e.g., "Biological Substance, Category B")

Hazard Labels (Biohazard, Dry Ice, Fragile)

Sender/Recipient Details (Clear and accurate)

Regulatory Forms (If shipping internationally)

• 5. Choosing the Right Courier

Select a certified medical courier experienced in handling biological shipments (e.g., FedEx Medical, UPS Healthcare, or specialized logistics providers).

Why Proper Specimen Shipping Matters

Avoids fines for non-compliance with IATA/DOT regulations.

Prevents sample degradation due to temperature fluctuations or mishandling.

Ensures safety for couriers and recipients.

Need help with compliant specimen shipping? Contact us for guidance or reliable courier recommendations!

Proper storage of a 24-hour specimen container is critical for accurate diagnostic results. Whether collecting urine, blood, or other bodily fluids, improper handling can lead to sample degradation, contamination, or false readings. This guide covers step-by-step storage protocols, common mistakes, and regulatory guidelines to ensure your specimens remain viable.

_{Why Proper Storage Matters}

24-hour specimen collection is used for tests like creatinine clearance, hormone levels, or proteinuria. Incorrect storage can:

• Alter chemical compositions (e.g., bacterial growth in urine).

• Evaporate preservatives, rendering samples unusable.

• Violate lab protocols, delaying diagnosis.

_{Step-by-Step Storage Guidelines}

_{1. Temperature Control}

• Refrigeration (2–8°C/35–46°F):
  Most 24-hour urine containers require refrigeration during and after collection.

  • Exception: If preservatives (e.g., hydrochloric acid) are added, follow lab instructions—some may allow room-temperature storage.

• Avoid Freezing: Freezing can rupture cells or alter solute concentrations.

_{2. Light Sensitivity}

• Use Opaque Containers: Light exposure degrades light-sensitive compounds (e.g., urobilinogen in urine).

• Wrap in Aluminum Foil: For transparent containers, shield from direct light.

_{3. Secure Sealing}

• Leak-Proof Lids: Ensure the container is tightly closed to prevent evaporation or contamination.

• Check for Cracks: Discard damaged containers immediately.

_{4. Labeling & Documentation}

• Write Clearly: Include patient name, date/time of collection, and preservatives used.

• Track Time: Note the start and end times of the 24-hour period (e.g., "7:00 AM Jan 1 to 7:00 AM Jan 2").

_{5. Separation from Other Samples}

• Store away from food, chemicals, or other biological specimens to avoid cross-contamination.

_{Common Storage Mistakes to Avoid}

• Leaving Containers Unrefrigerated: Even brief exposure to heat (>25°C/77°F) can breed bacteria.

• Ignoring Preservative Instructions: Adding incorrect preservatives (e.g., bleach) invalidates tests.

• Delivering Late: Submit samples to the lab within 24–48 hours of collection completion.

_{FAQ: 24-Hour Specimen Storage}

Q1: Can I store a urine specimen at room temperature overnight?
No—unless the lab explicitly allows it (e.g., with specific preservatives). Refrigeration prevents bacterial overgrowth.

Q2: What if I miss a collection window?
Restart the 24-hour cycle. Partial collections yield inaccurate results.

Q3: How do I handle preservatives like boric acid?
Wear gloves, add preservatives at the start, and avoid skin contact.

 

In the fast-evolving landscape of laboratory research and biomedical logistics, the demand for reliable, safe, and innovative lab supply manufacturers has never been higher. Laboratories and healthcare institutions worldwide depend on high-quality products to ensure specimen integrity, regulatory compliance, and operational efficiency. As a leader in this critical field, Advance International Corp stands out as a trusted partner for laboratories globally. 

 

Precision Meets Innovation

 

Advance International Corp was established in 2019 and is a supplier focusing on the research and development and production of laboratory consumables and biological consumables in the life science industry. Advance International Corp has served the life science industry for more than ten years and has a team of masters and doctors with rich experience in product development, design, sales and senior R&D experience.

The company also takes advantage of the location of the booming life sciences in Jiangsu, Zhejiang and Shanghai, and combines school-enterprise cooperation to develop biological products that are more suitable for laboratory research. Products are widely used in various research institutes.

 

Advance International Corp has its own R&D center, quality control center, and ERP information processing center, which makes Advance International Corp's products more advantageous in the application market. The R&D center has explored the field of life science consumables for many years and has a new understanding of life science industry products.

It is no longer relies on the imitation of a certain brand in the industry and can independently develop new products suitable for customer applications and be close to applications. With Advance International Corp's more than ten years of experience in the life science industry, the quality control center can independently develop test plans to ensure product performance.

Factory quality control strictly follows the inspection method of 2-hour inspection + re-inspection to check every product leaving the factory. Advance International Corp's ERP information team independently developed a system that meets factory usage requirements and can quickly match materials. It can calculate production delivery dates and automatically schedule to standardize production processes, making all production processes streamlined and standardized.

 

 

Advanced Production Technology: The Backbone of Excellence

 

A superior lab supply manufacturer must leverage cutting-edge technology to meet stringent safety and performance requirements. Advance International Corp integrates the following into its production processes:

Automated Manufacturing Systems: State-of-the-art machinery ensures precision in product dimensions, sealing integrity, and consistency across high-volume orders.

Material Science Expertise: Proprietary polymer blends and absorbent materials are engineered to withstand extreme temperatures, pressure changes, and chemical exposure.

Rigorous Quality Control: Every batch undergoes testing for leak resistance, durability, and compliance with international safety protocols.

Sustainability Initiatives: Eco-friendly materials and energy-efficient processes align with global sustainability goals.

 

Core Products: Engineered for Safety and Reliability

 

Advance International Corp’s product portfolio addresses critical needs in biological specimen transport. Below are its flagship solutions:

 

 

Beyond products, a world-class manufacturer must deliver holistic value:

Customization: Tailored solutions for unique client requirements, including branding, sizing, and material specifications.

Global Compliance: Products pre-certified for international shipping, minimizing regulatory hurdles.

End-to-End Support: Technical consulting, rapid prototyping, and logistics optimization services.

Commitment to R&D: Continuous innovation in biodegradable materials and smart packaging (e.g., IoT-enabled temperature monitoring).

 

Partnering for a Safer Future

In an era where specimen integrity can impact groundbreaking research or life-saving diagnostics, laboratories need manufacturers that blend technical mastery with unwavering accountability. Advance International Corp embodies these principles, offering solutions that safeguard specimens, streamline workflows, and support global health initiatives.

 

For laboratories seeking a partner that prioritizes safety, innovation, and sustainability, Advance International Corp stands as a benchmark for excellence in China’s lab supply manufacturing sector.

Specimens are typically transported in specimen transport bags, often also referred to as biohazard bags when potentially infectious materials are involved. These bags are specifically designed to be leak-proof and durable to ensure the safe and secure transport of medical samples. They often feature a separate pouch for paperwork to avoid contamination of the specimen itself. Many also include absorbent materials to contain any potential leaks. These bags frequently display the biohazard symbol and are often brightly colored (red or orange) for easy identification. Closure mechanisms vary and can include adhesive seals or zip-lock tops. Some specialized bags, like 95 kPa bags, are designed to withstand pressure changes during air transport.

 

The Unsung Hero of Safe Specimen Transport: The ai650 Specimen Bag

In the critical world of medical diagnostics and research, the journey a specimen takes from collection to analysis is just as important as the analysis itself. Ensuring the integrity and safety of these samples during transport is paramount, and that's where specialized solutions like the ai650 specimen bag step in as unsung heroes.

 

The ai650 isn't just any ordinary plastic bag; it's a meticulously engineered transport solution designed with safety and reliability in mind. Specifically, the ai650 is a 95 kPa biohazard specimen transportation bag. This designation highlights a crucial feature: its ability to withstand a pressure differential of at least 95 kilopascals without leakage. This robust design makes it compliant with the stringent regulations set forth by the International Civil Aviation Organization (ICAO) for safely transporting dangerous goods or biohazard materials by air.

 

Think about it – specimens containing potentially infectious substances often need to be sent across cities, states, or even countries for specialized testing. During air travel, the pressure changes significantly, and a standard bag simply wouldn't be able to handle the stress, risking leaks and contamination. The ai650, however, is built to endure these conditions, providing a secure barrier and peace of mind for both the handlers and the integrity of the sample.

 

But the ai650's features go beyond just pressure resistance. These bags often incorporate an absorbent pocket sleeve inside. This ingenious addition serves a dual purpose. First, it can securely hold multiple vials of the specimen, preventing them from shifting and potentially breaking during transit. Second, the absorbent material is designed to soak up any leaks that might occur, further containing the biohazard and preventing the spread of potentially harmful substances. Some ai650 bags can absorb a significant amount of liquid, adding an extra layer of safety.

 

The construction of the ai650 bag itself is also noteworthy. Typically made with a combination of a strong adhesive closure and a continuous seal, these bags offer a liquid-tight environment, crucial for containing potentially hazardous liquids. The materials used are often a durable blend of plastic films, sometimes with a see-through portion to allow for easy identification of the contents without compromising the seal.

 

Furthermore, the ai650 specimen bag can often be customized to meet specific needs. Whether it's a particular size, the inclusion of specific branding, or OEM labeling, manufacturers can tailor these bags to the requirements of different laboratories, hospitals, and research institutions.

 

While it might seem like a simple packaging solution, the ai650 specimen bag is a vital component in the safe and efficient transport of medical and biological samples. Its 95 kPa pressure resistance, combined with features like absorbent sleeves and robust construction, makes it a reliable choice for handling potentially hazardous materials, especially when air transport is involved. The ai650 truly embodies the crucial role of specialized tools in ensuring the safety and integrity of the specimens that are so essential to healthcare and scientific progress.

In today’s fast-paced healthcare environment, laboratories need reliable and efficient solutions for rapid diagnostics. Poclight is proud to introduce our latest micro-sampling solution, designed to meet the demands of precision and speed while addressing the complexities of sample handling. With its unique features, our product is set to revolutionize your testing capabilities.

 

One of the standout attributes of our micro-sampling solution is its precise control over sample volume, requiring only 10μL for testing. This ensures that laboratories can minimize waste while maximizing accuracy, a crucial factor in environments where sample volume is critical. Additionally, the system allows for no washing or separation, streamlining the workflow and reducing the time spent on sample preparation.

 

Efficiency is further enhanced with an operation time of just 2 seconds per sample. This rapid processing capability makes it ideal for high-throughput settings, such as emergency departments and large-scale screenings. Healthcare providers can expect quicker turnaround times, which is essential for timely diagnoses and treatment decisions.

 

Micro-sampling solution is also designed for practical use. Poclight's clia test reagents can be stored at room temperature, eliminating the need for cold chain transport and allowing for long shelf life. This feature not only simplifies logistics but also ensures that the product is ready to use whenever needed, without the constraints of refrigeration.

 

Poclight's poct clia analyzer are designed for minimal maintenance, with easy installation and user-friendly, one-step operation. This means your staff can focus on what matters most—providing quality care—without the hassle of complex setups or ongoing repairs.

 

 

Experience the advantages of our product today and elevate your laboratory’s diagnostic capabilities.

 

Esophageal cancer is one of the most common malignancies worldwide, with particularly high incidence rates in China. The overall prognosis remains poor, with a five-year survival rate below 40%. For patients diagnosed with resectable early-stage esophageal cancer, surgical resection remains the primary treatment option.

 

With ongoing advancements in endoscopic technology and the widespread adoption of minimally invasive techniques, minimally invasive esophagectomy (MIE) has demonstrated clear advantages over traditional open thoracotomy—most notably in reducing postoperative recovery time and minimizing complication rates. Among these techniques, mediastinoscopy-assisted laparoscopic esophagectomy has gained increasing clinical attention. This approach avoids entry through the thoracic cavity, eliminating the need for single-lung ventilation, preventing thoracic incisions, and reducing intraoperative pulmonary compression. As a result, it imposes less burden on cardiopulmonary function and has been shown in clinical studies to significantly alleviate postoperative pain, promote effective coughing and sputum clearance, and enhance overall recovery. Thus, it serves as a valuable complement to transthoracic esophagectomy and has been increasingly implemented across multiple medical centers both in China and internationally.

 

However, the procedure is technically challenging. In the early stages of applying mediastinoscopy to esophageal cancer surgery, limitations in instrumentation and technique hindered effective exposure of mediastinal anatomy. With improvements in instrument design and the development of mediastinal insufflation techniques, IVMTE (inflatable video-mediastinoscopic transhiatal esophagectomy) can now reliably achieve esophageal mobilization, bilateral recurrent laryngeal nerve exposure, thoracic duct identification and ligation, and lymph node sampling and dissection.

 

Importantly, the Chinese expert consensus on this surgical technique highlights the Maryland dissector as a recommended tool for performing critical surgical maneuvers such as esophageal dissection. The Maryland jaw’s precision, curved profile, and reliable energy sealing capabilities make it an indispensable instrument for sealing large vessels and navigating delicate mediastinal structures during esophageal cancer resections.

 

ShouLiang-med's SL0844 surgical instrument is the Maryland forceps, its jaws are designed with 22° curved shape, which can accurately locate the target tissues to achieve fine dissection, which is conducive to the lymph node clearance and tissue separation operation under the narrow space of mediastinoscopy. 

 

Furthermore, this instrument has multiple application advantages: the upper and lower double-layer heat insulation design of its jaws, together with the precise energy control of the intelligent generator, can achieve the low-temperature effect of less than 90℃ on the working surface after several activations, and the lateral thermal damage is less than 2mm. During the transcervical mediastinal operation, it has a good protective effect on many important parts such as the trachea, recurrent laryngeal nerve, and blood vessels and veins adjacent to the esophagus, effectively reducing the risk of complications; the application of exclusive AGISEAL technology makes it possible to accurately seal blood vessels, lymphatics and tissue bundles with a diameter of less than 7mm. In IVMTE(Inflatable video-assisted mediastinoscopic transhiatal esophagectomy) surgery, it allows direct and safe coagulation of the left gastric artery without complete vascular dissection, achieving a bloodless field while simplifying procedures, reducing technical complexity, and shortening the learning curve for surgeons.  

 

SL0844 meets clinical demands for advanced energy-based instruments and has been widely adopted in IVMTE(Inflatable video-assisted mediastinoscopic transhiatal esophagectomy) globally. It has become one of the indispensable surgical instruments in the application of this procedure.