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Related Concept Videos

Veins of Upper Limbs01:17

Veins of Upper Limbs

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The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
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Overview of Systemic Veins01:11

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Systemic veins are crucial blood vessels that return deoxygenated blood from various body tissues back to the heart. There are three systemic veins that return deoxygenated blood to the heart, they are as follows.
The coronary sinus, the heart's principal vein, resides in the coronary sulcus on the heart's posterior aspect. This broad venous channel receives nearly all venous blood from the myocardium, the heart muscle. It is fed by three primary veins: the great cardiac vein, the...
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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

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The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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Veins of Lower Limbs01:15

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The human body consists of an intricate network of veins responsible for the crucial task of blood drainage from the lower limbs. These veins can be categorized into two main types: deep veins and superficial veins.
Formed by the union of the medial and lateral plantar veins, the posterior tibial vein, rising through the calf muscle, assimilates the fibular vein. The anterior tibial vein, a superior extension of the foot's dorsalis pedis vein, merges with the posterior tibial vein at the...
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Veins of Head and Neck01:19

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The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
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Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

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The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
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Related Experiment Video

Updated: Mar 17, 2026

Author Spotlight: Revolutionizing Remote Surgery with Augmented Reality and Robotics for Enhanced Precision and Accessibility
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Augmented reality based real-time subcutaneous vein imaging system.

Danni Ai1, Jian Yang1, Jingfan Fan1

  • 1Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Electronics, Beijing Institute of Technology, Beijing 100081, China.

Biomedical Optics Express
|July 23, 2016
PubMed
Summary
This summary is machine-generated.

This study introduces a new augmented reality system for fast 3D vein imaging, improving intravenous injection success rates by projecting vein structures onto the skin surface.

Keywords:
(100.0100) Image processing(100.3010) Image reconstruction techniques(110.0110) Imaging systems(110.3080) Infrared imaging(170.0110) Imaging systems

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Area of Science:

  • Medical Imaging
  • Augmented Reality
  • Biomedical Engineering

Background:

  • Intravenous injections require accurate vein visualization.
  • High failure rates and prolonged procedure times are common challenges.
  • Existing methods lack precise 3D vein mapping and real-time visualization.

Purpose of the Study:

  • To develop a novel 3D reconstruction and fast imaging system for subcutaneous veins using augmented reality.
  • To reduce the failure rate and time associated with intravenous injections.
  • To provide augmented vein structures superimposed on the skin surface for improved accuracy.

Main Methods:

  • Utilized two industrial cameras with near-infrared lights for subcutaneous vein imaging.
  • Employed a multiple-feature clustering method for vein segmentation.
  • Reconstructed 3D vein and skin surface structures using epipolar constraints, homographic properties, and active structured light.

Main Results:

  • Achieved precise back-projection of reconstructed vein structures onto the hand's skin surface.
  • Demonstrated accurate vein segmentation, matching, and 3D skin reconstruction.
  • Validated system performance with real vein data, showing high-speed imaging and augmented reality results.

Conclusions:

  • The novel augmented reality system enables precise 3D vein reconstruction and visualization.
  • The system significantly enhances the accuracy and efficiency of intravenous procedures.
  • This technology offers a promising advancement in medical imaging for vein access.