Disposable backflow-preventing drainage bag

Abstract

The invention discloses a disposable backflow-preventing drainage bag which belongs to the technical field of medical instruments. The disposable backflow-preventing drainage bag comprises a drainage bag body, a drainage pipe and a drain pipe, wherein one end of the drainage pipe is communicated with a drainage bag body accommodating cavity of the drainage bag body, the other end of the drainage pipe is used for being matched and connected with a body fluid leading-out pipe of a patient, and the drain pipe is connected to the lower part of the drainage bag body, is communicated with the drainage bag body accommodating cavity of the drainage bag body, and is provided with a drain valve. The disposable backflow-preventing drainage bag is characterized in that a backflow-preventing valve is arranged on the outer wall of one side of the upper part of the drainage bag body and corresponds to one end of the drainage pipe, the backflow-preventing valve is connected with the drainage bag body accommodating cavity, one end of the drainage pipe is connected with the backflow-preventing valve, and the other end of the drainage pipe is provided with a sampling port. The disposable backflow-preventing drainage bag has the advantages of avoiding causing infection to the patient, and facilitating the sampling test of the medical staff.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, in particular to a disposable anti-reflux drainage bag . Background technique [0002] The self-evident function of the drainage bag can be used not only for postoperative drainage of surgical patients such as chest cavity and abdominal cavity, but also for drainage of patients who are bedridden for a long time and cannot take care of themselves, and even family special caregivers. The former is used for patients after thoracoabdominal surgery as a veritable drainage bag, and the latter is used for long-term bedridden patients and even home care patients mainly for bladder catheterization, so it is used to be called a catheterization bag in medical practice. [0003] The technical information about the drainage bag can be found in the published Chinese patent documents, for example: "Y-type drainage bag" recommended by the authorized announcement number CN2588988Y, this patent sche...

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Problems solved by technology

[0004] is not limited to the above-mentioned patented technical solutions that have the following disadvantages: one, because there is no way to prevent the liquid in the cavity of the drainage bag from returning to the drainage tube function, so when in the process of use, in case of foreign matter oppressing the drainage bag body, the liquid in the drainage bag body cavity will return to the patient's body through the drainage tube, causing infection or even more serious consequences. When the cavity of the bag is full of liquid and is lifted and / or laid flat, the liquid in the cavity of the drainage bag will flow out from the drainage tube, causing pollution; Drainage fluid sampling and testing are often troublesome and even confusing

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