Novel subglottic drainage device
A new type of glottis technology, applied in suction containers, suction devices, hypodermic injection devices, etc., can solve the problems of damage to the airway mucosa, difficult to adjust negative pressure accurately, and the drainage effect cannot meet expectations, so as to achieve convenient observation and good promotion. Foreground, simple and accurate effects
Inactive Publication Date: 2020-11-10
王铁钧
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Problems solved by technology
In the actual clinical operation, it is difficult to adjust the negative pressure accurately, and the drainage effect cannot meet expectations if it is too small; if it is too large, it is easy to damage the airway mucosa
Moreover, the current drainage fluid is directly connected to the negative pressure drainage bag, it is difficult to accurately calculate the drainage volume and observe the color and shape of the drainage fluid
Method used
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[0009] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.
[0010] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indic...
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The invention discloses a novel subglottic drainage device. The device comprises a transparent sputum collecting cup; a subglottic drainage tube and a negative pressure suction tube are connected to the top surface of the transparent sputum collecting cup; a negative pressure adjusting apparatus is arranged on the negative pressure suction tube; a screw is fixedly arranged on the negative pressureadjusting apparatus; a nut is spirally arranged on the screw; a spring is arranged at the end part, close to the negative pressure adjusting apparatus, of the nut; a silica gel soft plug is arrangedat the end part, away from the nut, of the spring; and the silica gel soft plug is arranged in the negative pressure adjusting apparatus. Compared with the prior art, the device has the advantages that the small negative pressure of the negative pressure suction tube can be controlled to be within the range of 80-100 mmHg, so that the operation is simpler and more accurate; a transparent sputum collecting tank is connected between the subglottic drainage tube and the negative pressure suction tube, so that color and character observation and drainage amount statistics are facilitated, a visualfeeling is brought to people, and the illness state is better mastered; and the device has a relatively good popularization prospect in the technical field of subglottic drainage.
Description
technical field [0001] The invention relates to the technical field of subglottic drainage, in particular to a novel subglottic drainage device. Background technique [0002] Patients with established artificial airways are at risk of reflux and aspiration, and subglottic drainage is one of the important measures to prevent hospital-acquired pneumonia. The current practice is to connect a small negative pressure to the opening of the subglottic drainage tube for continuous or intermittent drainage. This small negative pressure is generally 80-100cmH 2 O. In the actual clinical operation, it is difficult to adjust the negative pressure accurately, and the drainage effect cannot meet expectations if it is too small; if it is too large, it will easily damage the airway mucosa. Moreover, the current drainage fluid is directly connected to the negative pressure drainage bag, and it is difficult to accurately calculate the drainage volume and observe the color and shape of the d...
Claims
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CPCA61M1/0001A61M1/0023A61M1/74
Inventor 王铁钧
Owner 王铁钧