Double-cavity tracheal catheter

A technology of endotracheal tubes and catheters, which is applied in the direction of tracheal intubation, medical devices, and other medical devices, and can solve the failure of left bronchial intubation and the inability of the left double-lumen endotracheal tube and the right double-lumen endotracheal tube to communicate with each other. Substitution and other issues, to achieve the effect of compact design and improved success rate

Active Publication Date: 2016-04-13
CANCER INST & HOSPITAL CHINESE ACADEMY OF MEDICAL SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem that the existing left double-lumen endotracheal tube and the right double-lumen endotracheal tube cannot replace each other, and the problem that the left bronchial intubation is prone to failure, the present invention designs a double-lumen en

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Embodiment Construction

[0013] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0014] combine figure 1 , it can be known that this kind of double-lumen endotracheal tube includes a left tube 1 and a right tube 2, the left tube 1 and the right tube 2 are semicircular tubes, the left tube 1 and the right tube 2 face each other to form a circular tube shape, the left tube 1 and the right tube The inner diameter of the lumen of the right catheter 2 is 5 mm. The upper ends of the left conduit 1 and the right conduit 2 have conduit joints 3 respectively, and the nozzles at the lower ends of the left conduit 1 and the right conduit 2 are designed with slopes.

[0015] There is a main air bag 4 outside the left catheter 1 and the right catheter 2, and the main air bag 4 is in a ring structure. The main air bag 4 is sleeved on the left catheter 1 and the right catheter 2, and is fixed...

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Abstract

The invention discloses a double-cavity tracheal catheter. The double-cavity tracheal catheter comprises a left catheter body and a right catheter body. The left catheter body and the right catheter body are semicircular tubes. The upper end of the left catheter body and the upper end of the right catheter body are provided with catheter joints respectively. A main inflation bag is arranged outside the left catheter body and the right catheter body. The main inflation bag is of an annular structure. The left catheter body and the right catheter body are sleeved with the main inflation bag. The main inflation bag is fixed to the right catheter body. The left catheter body can vertically slide relative to the right catheter body and the main inflation bag. Auxiliary inflation bags are arranged at the lower end of the left catheter body and the lower end of the right catheter body respectively. The main inflation bag and the auxiliary inflation bag are independently communicated with inflation tubes. The inflation tube connected with the auxiliary inflation bag of the left catheter body is buried in the catheter wall of the left catheter body. The inflation tube connected with the auxiliary inflation bag of the right catheter body and the inflation tube connected with the main inflation bag are both buried in the catheter wall of the right catheter body. When the catheter is used for carrying out intubation, a left double-cavity tracheal catheter or a right double-cavity tracheal catheter does not need to be selected according to surgical conditions, left bronchial intubation and right bronchial intubation can be conveniently achieved, and the success rate of left bronchial intubation is greatly increased.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a double-lumen endotracheal tube. Background technique [0002] Double-lumen endotracheal tubes are currently widely used for anesthesia in thoracic surgery. The function of the double-lumen endotracheal tube is to isolate the left lung from the right lung to achieve separate ventilation of the left lung and the right lung. The currently used double-lumen endotracheal tubes are divided into left double-lumen endotracheal tubes and right double-lumen endotracheal tubes. Left or right double-lumen endotracheal tubes are one-piece endotracheal tubes, the left double-lumen endotracheal tube is used for left bronchial intubation to isolate the left lung, and the right double-lumen endotracheal tube is used for right bronchial intubation to isolate the right lung. Lung, these two types of double-lumen endotracheal tubes cannot replace each other, and they need to be selected...

Claims

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Application Information

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IPC IPC(8): A61M16/04A61M16/01
CPCA61M16/0003A61M16/01A61M16/0402A61M16/0486A61M2210/1032
Inventor 张国华
Owner CANCER INST & HOSPITAL CHINESE ACADEMY OF MEDICAL SCI
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