A self-sealing venous indwelling device with a multifunctional coaxial outer cannula

Abstract

The invention discloses a multifunctional coaxial outer sleeve self-sealing type vein indwelling device. The device comprises an annular splint and a connecting tube. An outer barrel is obliquely fixed to the left side of the annular splint through a fixing ring, an outlet is formed in the upper end of the right side of the outer barrel, and an inlet is formed in the upper end of the left side of the outer barrel. An inner barrel is coaxially sleeved with an inner cavity of the outer barrel, a piston is arranged at the end, close to the outlet, of the inner barrel, a screw is arranged at the other end of the inner barrel, and the screw penetrates through a screw hole in the lower end of the outer barrel. According to the multifunctional coaxial outer sleeve self-sealing type vein indwelling device, the outer barrel is arranged on the annular splint, the inner barrel is coaxially arranged in the outer barrel, the piston of the inner barrel is pushed by rotating the screw to open or close the inlet, and the self-sealing effect of the device is achieved; the annular splint is matched with an elastic band, wearing is convenient, a magnet therapy block is arranged, and therefore indwelling portions can be subjected to magnet therapy nursing during vein indwelling. The device has multiple functions, and is convenient to use.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a self-sealing intravenous indwelling device with a multifunctional coaxial outer sleeve. Background technique [0002] The application of venous indwelling device is a better method for clinical infusion. The venous indwelling device is easy to operate and suitable for puncture in any part. On the one hand, it can reduce the pain caused by repeated scalp needle punctures for infants and young children, and on the other hand, it can reduce the workload of nurses. It is very popular among nurses and patients in clinic. However, the current intravenous indwelling device adopts a single needle structure, which not only The structure is simple, and it cannot be self-sealing, so it is inconvenient to use. Therefore, we propose a self-sealing venous indwelling device with a multifunctional coaxial outer cannula. Contents of the invention [0003] The object of the present in...

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Problems solved by technology

On the one hand, it can reduce the pain caused by repeated scalp needle punctures for infants and young children, and on the other hand, it can reduce the workload of nurses. It is very popular among nurses and patients in clinic. However, the current intravenous indwelling device adopts a single needle structure, which not only The structure is simple, and it cannot be self-sealing, so it is inconvenient to use. Therefore, we propose a self-sealing venous indwelling device with a multifunctional coaxial outer cannula

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