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Guiding device for venipuncture

A technology of venous blood vessels and guiding devices, which is applied in catheters, hypodermic injection devices, etc., can solve the problems of non-filled blood vessels, small blood vessels, and failure of venipuncture, and achieve the effect of improving the success rate, reducing work intensity, and simple principle

Inactive Publication Date: 2004-11-17
周明非
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Problems solved by technology

[0002] Venous puncture technology is widely used clinically, and plays an important role in treating diseases and saving patients' lives. However, due to the anatomical reasons of some patients, the blood vessels are small and difficult to find; in some patients, the blood vessels are not easy to find due to obesity. Look, there are also some patients who lose too much blood due to trauma, and the blood vessels are not filled, which may easily lead to the failure of venipuncture by medical staff during treatment, increasing the suffering of patients, and missing the opportunity for treatment when rescuing serious patients

Method used

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  • Guiding device for venipuncture

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Embodiment Construction

[0010] In the figure, the present invention is a vein imaging system composed of a rectangular near-infrared emitting tube 1 , a cylindrical near-infrared receiver 3 , a square monitor 8 and a DC power supply 9 . The DC power supply 9 is a 12V rechargeable lead-acid battery. The near-infrared emitting tube 1 is composed of several semiconductor light-emitting diodes 2 of 5mm, which emit near-infrared rays with a wavelength of 850nm, and are connected to a DC power supply 9 . The near-infrared receiver 3 is a black and white low-light high-resolution video camera 6 with 800nm ​​infrared filter 5 installed in front of a 8mm optical lens 4, and the near-infrared receiver 3 is connected with the monitor 8 through the connecting rod 7. The output terminal of the near infrared receiver 3 is connected with the monitor 8, the input terminal is connected with the DC power supply 9, the input terminal of the monitor 8 is connected with the near infrared receiver 3, and the other end i...

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Abstract

The invention discloses a directing apparatus for venous blood vessel piercing, which is a venous blood vessel image-forming system comprising a rectangular near-infrared transmitting tube, a cylindrical near infrared ray receiver, a square monitor and a DC power source. During real time operation, the image signals can be transmitted to the monitor.

Description

technical field [0001] The present invention relates to a venous blood vessel puncture guide, and more specifically relates to a new type of medical device, which can help medical staff to display the veins on the back of the hand and the dorsum of the foot in real time and dynamically, and the veins that are difficult to find and locate with the naked eye and touch Blood vessels can be displayed clearly at a glance. Background technique [0002] Venous puncture technology is widely used clinically, and plays an important role in treating diseases and saving patients' lives. However, due to the anatomical reasons of some patients, the blood vessels are small and difficult to find; in some patients, the blood vessels are not easy to find due to obesity. Look, there are also some patients who lose too much blood due to trauma and the blood vessels are not filled, which easily leads to the failure of venipuncture by medical staff during treatment, which increases the suffering ...

Claims

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Application Information

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IPC IPC(8): A61M5/00A61M25/01
Inventor 周明非朱望周晓光申凯刘素萍黄静李娅
Owner 周明非
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