Pleural effusion extraction device
A technology of pleural effusion and liquid storage tank, which is applied in the direction of suction equipment, etc., can solve the problems that the device cannot be used normally, and achieve the effect of convenient use
Pending Publication Date: 2021-11-05
中国人民解放军总医院第八医学中心
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Problems solved by technology
[0003] However, the currently commonly used extraction devices are all electric devices. For some unexpected situations such as power outages, these devices cannot be used normally. Therefore, it is necessary to design a device that can work in a purely mechanical way.
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] In one example, see Figure 1-6 , a pleural effusion extraction device, comprising a workbench 1, a liquid storage tank 4 is arranged on the workbench 1, a support leg 2 is arranged on the lower surface of the workbench 1, a pressure gauge 7 is arranged on the top of the liquid storage tank 4, The pressure inside the liquid storage tank 4 can be observed in real time through the pressure gauge 7, which also includes a suction mechanism 6 and a negative ...
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The invention relates to the technical field of medical instruments and discloses a pleural effusion extraction device. The pleural effusion extraction device comprises a workbench, wherein the workbench is provided with a liquid storage tank; a suction mechanism, wherein the suction mechanism comprises a liquid inlet pipe arranged at the bottom of the liquid storage tank, the end, away from the liquid storage tank, of the liquid inlet pipe is connected with one end of a hose, and the other end of the hose is connected with a needle; and a negative pressure generating mechanism, wherein the negative pressure generating mechanism is arranged at the side, away from the liquid storage tank, of the workbench and comprises a pressurizing tank fixedly connected with the workbench, the sides, away from the workbench, of the pressurizing tank and the liquid storage tank are connected with the two ends of a connecting pipe separately, the middle of the pressurizing tank is slidably connected with a piston plate, the side, away from the workbench, of the piston plate is provided with an ejector rod slidably connected with the pressurizing tank, and a supporting frame is arranged at the end, away from the workbench, of the ejector rod. According to the pleural effusion extraction device, the liquid extraction effect is achieved through negative pressure generated by the piston plate and the pressurizing tank, and thus, the device can work normally without additional functions.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to a pleural effusion extraction device. Background technique [0002] Pleural effusion is a common clinical symptom characterized by pathological fluid accumulation in the pleural cavity. The pleural cavity is a potential gap between the visceral and parietal pleura. In normal people, there is 5-15ml of fluid in the pleural cavity, which acts as a lubricant during respiratory movement. There is 500-1000ml of fluid formed and absorbed in the pleural cavity every day. Reasons lead to increased production or decreased absorption of fluid in the pleural cavity, which can produce pleural effusion. Pleural effusion may cause chest tightness and dyspnea, and even cause related complications, so it needs to be extracted in time. [0003] However, the currently commonly used extraction devices are all electric devices. For some unexpected situations such as power outages, these de...
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Inventor 安慧茹王天昊王子豪刘琳刘晓刘倩颖
Owner 中国人民解放军总医院第八医学中心