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Artery puncture needle special for invasive arterial pressure monitoring

A technology of arterial puncture and arterial pressure, which is applied in the field of medical devices, can solve the problems of long arterial puncture time, difficulty in determining whether the puncture is in place or successful, and no improvement in the success rate of arterial puncture, so as to improve the puncture success rate, shorten the puncture time, The effect of simple structure

Inactive Publication Date: 2015-07-15
吴洪磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the process of puncture, it is difficult to determine whether the puncture is in place or successful; the success rate of arterial puncture is not as high as that of the improved one, and the success rate is only about 80%, and the arterial puncture takes a long time, averaging 9 to 10 minutes

Method used

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  • Artery puncture needle special for invasive arterial pressure monitoring
  • Artery puncture needle special for invasive arterial pressure monitoring
  • Artery puncture needle special for invasive arterial pressure monitoring

Examples

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Embodiment Construction

[0023] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] Figure 2-4 Shown is a special arterial puncture needle for invasive arterial pressure monitoring of the present invention, including a soft needle 1 and a steel needle 2; The steel needle inlet 4; the rear end of the steel needle 2 is connected to the steel needle seat 5, the head end of the steel needle 2 can enter the interior of the soft needle 1 through the steel needle inlet 4, and the head end of the steel needle 2 protrudes from the head of the soft needle 1 end; the steel needle seat 5 is limited to the rear end of the soft needle seat 3, and one side of the soft needle seat 3 is provided with a drain hole 6, and the drain hole 6 is provided with a pressure connection tube connection seat 7; The connecting pipe 8 is installed on the pressure connecting pipe connecting seat 7 and communicates with the drain hole 6; the soft nee...

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Abstract

The invention discloses an artery puncture needle special for invasive arterial pressure monitoring. The artery puncture needle comprises a soft needle and a steel needle; a liquid discharging hole is formed in one side of a needle base of the soft needle, and a pressure connecting pipe connecting base is arranged at the liquid discharging hole; a sealing rubber plug is arranged on the needle base of the soft needle, and a steel needle inlet is sealed; and an air hole is formed in one end, close to a needle base of the steel needle, of the steel needle. The artery puncture needle further comprises a plugging device arranged at the back end of the needle base of the steel needle, the plugging device is composed of a plugging needle and a needle base of the plugging needle, and the plugging needle penetrates the interior of the steel needle and can plug the air hole in the steel needle; and the needle base of the plugging needle is limited at the back end of the needle base of the steel needle. The artery puncture needle is used for invasive arterial pressure monitoring, the puncture success rate is improved, the puncture time is shortened, and blood collection can be conveniently carried out for blood gas analysis.

Description

technical field [0001] The invention belongs to the technical field of medical devices and relates to a special puncture needle for invasive arterial pressure monitoring. Background technique [0002] Invasive arterial pressure monitoring is through arterial puncture and catheterization. The pressure sensor is connected to the monitor to reflect the blood pressure changes in each cardiac cycle, and can directly display systolic blood pressure, diastolic blood pressure and mean arterial pressure. Invasive arterial pressure monitoring has the advantages of not being affected by external factors such as artificial pressure, decompression, cuff looseness and tightness, etc., and can accurately and intuitively detect instantaneous changes in arterial blood pressure in a timely manner, and can take arterial blood for analysis, reducing the risk of repeated punctures. It relieves the pain of the patient and wins precious time for rescuing the patient. [0003] In the prior art, wh...

Claims

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Application Information

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IPC IPC(8): A61B17/34A61B5/0215
CPCA61B17/3417A61B5/0215A61B5/15003A61B5/153
Inventor 吴洪磊徐旭娟许旸晖刘锟
Owner 吴洪磊
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