A new type of closed sputum suction tube

Abstract

The utility model relates to a novel closed sputum suction tube, including the pipe main body, is equipped with breathing machine interface, tracheal catheter interface, sputum suction tube spare interface and bronchofibroscope entrance on the pipe main body, sputum suction tube spare interface connects sputum suction tube subassembly, tracheal catheter interface with bronchofibroscope entrance coaxial arrangement, tracheal catheter interface with bronchofibroscope entrance is separately arranged in the axial both ends of pipe main body, is equipped with the closure cover that can open and close on bronchofibroscope entrance, breathing machine interface with sputum suction tube spare interface is along the circumferential arrangement of pipe main body and both are located between tracheal catheter interface with bronchofibroscope entrance. Adopt the technical scheme of the utility model, tracheal catheter interface with bronchofibroscope entrance is separately arranged in the axial both ends of pipe main body, and both are on the same straight line, and the wear of bronchofibroscope is small, and the operation is convenient, when needing to carry out bronchofibroscope examination, opens the closure cover and can carry out the operation, and it has the advantage that the operation is simple.

Description

Technical Field

[0001] This utility model relates to a novel sealed suction tube. Background Technology

[0002] Traditional clinically used closed suction catheters include a tube body, which is T-shaped and has a ventilator connection end, an endotracheal tube connection end, and a suction catheter connection end. To facilitate bronchoscopy, Chinese utility model patent CN219071459U, entitled "A Closed Suction Catheter Connector and Converter Structure for Facilitating Fiberoptic Bronchoscopy," discloses a closed suction catheter connector for facilitating bronchoscopy, including a converter structure. The converter structure includes a connector and a converter that are movably connected. The top surface of the converter has two first interfaces, one for the suction catheter and one for the bronchoscopy. The bottom surface of the connector has a second interface, which is a endotracheal tube interface connected to a ventilator interface. The converter moves relative to the connector, allowing the suction catheter and bronchoscopy interfaces to alternate and the endotracheal tube interface to be directly aligned and connected.

[0003] While the aforementioned patent facilitates bronchoscopy, it requires interface switching via a converter, which complicates the entire suction catheter structure, increases costs, and makes operation more cumbersome. Furthermore, repeated switching of the converter can affect the sealing performance of the connection structure.

[0004] Based on the above issues, the applicant conducted research, which led to this case. Utility Model Content

[0005] The purpose of this invention is to provide a novel sealed suction catheter that is simple in structure and easy to operate.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A novel closed suction catheter includes a tube body with a ventilator interface, an endotracheal tube interface, a suction catheter fitting interface, and a bronchoscope inlet. The suction catheter fitting interface is connected to a suction catheter assembly. The endotracheal tube interface and the bronchoscope inlet are coaxially arranged and located at opposite ends of the tube body along its axial direction. The bronchoscope inlet has an openable and closable cap. The ventilator interface and the suction catheter fitting interface are arranged circumferentially along the tube body and are both located between the endotracheal tube interface and the bronchoscope inlet.

[0008] In a preferred embodiment of this invention, the cap is installed at the bronchoscope inlet via a threaded connection.

[0009] As the preferred mode of the utility model, the connecting band is fixed on the side wall of the pipe body, and the sealing cover is arranged on the bronchoscope inlet.

[0010] As the preferred mode of the utility model, the sealing cover is a soft rubber cap.

[0011] As the preferred mode of the utility model, the included angle between the axis of the sputum suction tube interface and the axis of the tracheal tube interface is greater than 90 degrees.

[0012] As the preferred mode of the utility model, the included angle between the axis of the sputum suction tube interface and the axis of the tracheal tube interface is 140 to 160 degrees.

[0013] As the preferred mode of the utility model, the pipe body is further provided with a flushing port, and a flushing assembly is connected to the flushing port.

[0014] As the preferred mode of the utility model, the flushing assembly comprises a cleaning bag for placing cleaning liquid, a conveying pipe connected to the cleaning bag, a switch valve arranged on the conveying pipe, and a flow control valve.

[0015] As the preferred mode of the utility model, the cleaning bag is further connected with a pressurized balloon.

[0016] As the preferred mode of the utility model, the flushing port is arranged between the sputum suction tube interface and the tracheal tube interface, and is arranged close to the sputum suction tube interface.

[0017] After the technical scheme of the utility model is adopted, the tracheal tube interface and the bronchoscope inlet are arranged at the two ends of the axial direction of the pipe body and are on the same straight line, the bronchoscope is less worn, and the operation is convenient. When bronchoscopy is needed, the sealing cover is opened to operate, which has the advantage of simple operation. Compared with the switching through the adapter in the prior art, the utility model directly seals the bronchoscope inlet through the sealing cover, which has a simple structure and good sealing performance. Further, the cleaning bag and the pressurized balloon are arranged to facilitate the cleaning of the sputum suction tube, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model is a structural schematic view.

[0019] In the drawing:

[0020] Pipe body 10 Bronchoscope inlet 11

[0021] Tracheal tube interface 12 Ventilator interface 13

[0022] Sputum suction tube interface 14

[0023] 20 Caps 21 Connecting Straps

[0024] Rinse port 30, delivery pipe 31

[0025] On / off valve 32 Flow control valve 33

[0026] 34 Cleaning bag; 35 Pressure balloon Detailed Implementation

[0027] To better understand the technical solution of this utility model, the following description is provided in more detail with reference to the embodiments.

[0028] Reference Figure 1 A novel sealed suction catheter includes a tube body 10, on which are provided a ventilator interface 13, an endotracheal tube interface 12, a suction catheter assembly interface 14, and a fiberoptic bronchoscope inlet 11. The suction catheter assembly interface 14 connects to a suction catheter assembly, which is connected to a negative pressure suction device during use. The ventilator interface 13 connects to a ventilator, and the endotracheal tube interface 12 connects to an endotracheal tube. In this invention, the tube body 10 is made of flexible tubing. The endotracheal tube interface 12 and the fiberoptic bronchoscope inlet 11 are coaxially arranged, with their axes on the same straight line. The endotracheal tube interface 12 and the fiberoptic bronchoscope inlet 11 are located at opposite ends of the axial direction of the tube body 10. The fiberoptic bronchoscope inlet 11 is provided with an openable and closable cap 20. When a fiberoptic bronchoscope examination is required, the cap 20 is opened, the fiberoptic bronchoscope inlet 11 is disinfected, and then the fiberoptic bronchoscope is inserted through the fiberoptic bronchoscope inlet 11, which can reduce consumables, work steps, and risks. In this invention, the ventilator interface 13 and the suction catheter assembly interface 14 are arranged circumferentially along the tube body and are both located between the endotracheal tube interface 12 and the bronchoscope inlet 11. In this invention, the ventilator interface 13, endotracheal tube interface 12, suction catheter assembly interface 14, and bronchoscope inlet 11 are all integrally formed on the tube body 10, resulting in a simple, low-cost, and highly stable suction catheter structure.

[0029] In a preferred embodiment of this invention, the cap 20 is installed on the bronchoscope inlet 11 via a threaded connection. For example, an external thread is provided on the outer wall of the bronchoscope inlet 11, and an internal thread is provided on the inner wall of the cap 20. The cap 20 is installed on the bronchoscope inlet 11 by screwing it on, and is opened when needed. However, this method carries the risk of the cap 20 being lost during use. Therefore, in another preferred embodiment of this invention, the cap 20 is provided with a connecting strap 21, which is fixed to the side wall of the tube body 10. The cap 20 is then sealed onto the bronchoscope inlet 11. In this embodiment, the cap 20 can also be installed on the side wall of the tube body 10 via a threaded connection, increasing sealing performance and facilitating operation. For example, the connecting strap 21 can be fitted onto the side wall of the bronchoscope inlet 11. The connecting strap 21 has enough slack so that the cap 20 can move within a certain range. When the cap 20 is opened, the cap 20 can be hung at the bronchoscope inlet 11 along with the connecting strap 21 to prevent the cap 20 from being lost.

[0030] As a preferred embodiment of this utility model, the cap 20 is a soft rubber cap, which is fitted onto the bronchoscope inlet 11 by elastic compression.

[0031] In a preferred embodiment of the present invention, the angle between the axis of the suction tube assembly interface 14 and the axis of the tracheal tube interface 12 is greater than 90°, making it easier to suction out sputum. In a preferred embodiment of the present invention, the angle between the axis of the suction tube assembly interface 14 and the axis of the tracheal tube interface 12 is 140° to 160°.

[0032] In a preferred embodiment of this invention, the tube body is further provided with a flushing port 30, and a flushing assembly is connected to the flushing port 30. In a preferred embodiment of this invention, the flushing assembly includes a cleaning bag 34 for holding cleaning fluid, a delivery tube 31 connected to the cleaning bag 34, a switching valve 32 and a flow control valve 33 disposed on the delivery tube 31. The cleaning fluid can be saline, and both ends of the delivery tube 31 are connected to the cleaning bag 34 and the flushing port 30, respectively. In a preferred embodiment of this invention, a pressure balloon 35 is also connected to the cleaning bag 34. In a preferred embodiment of this invention, the flushing port 30 is disposed between the suction catheter assembly interface 14 and the endotracheal tube interface 12, and is located close to the suction catheter assembly interface 14. The cleaning bag 34 contains saline solution and is hung on an IV stand. After suctioning is completed, the switch valve 32 is opened and the flow control valve 33 is adjusted. The saline solution enters the tube body 10 through the delivery tube 31. The pressure balloon 35 increases the internal pressure of the cleaning bag 34, thereby increasing the saline solution delivery pressure for better flushing. The flow control valve 33 controls the flow rate of the cleaning solution, and the switch valve 32 controls the opening and closing of the cleaning solution. In this invention, the cleaning bag can be replaced with a bag for other purposes according to the needs of use.

[0033] The scope of protection of this utility model is not limited to this embodiment. Any similar modifications made to it are considered to be within the scope of protection of this utility model.

Claims

1. A novel closed suction catheter, comprising a tube body, wherein the tube body is provided with a ventilator interface, an endotracheal tube interface, a suction catheter fitting interface, and a fiberoptic bronchoscope inlet, the suction catheter fitting interface being connected to a suction catheter assembly, characterized in that: The endotracheal tube interface and the fiberoptic bronchoscope inlet are coaxially arranged, and the endotracheal tube interface and the fiberoptic bronchoscope inlet are respectively located at both ends of the axial direction of the tube body. The fiberoptic bronchoscope inlet is provided with an openable and closable cap. The ventilator interface and the suction fitting interface are arranged along the circumference of the tube body and both are located between the endotracheal tube interface and the fiberoptic bronchoscope inlet. The angle between the axis of the suction fitting interface and the axis of the endotracheal tube interface is 140° to 160°.

2. The novel sealed suction catheter as described in claim 1, characterized in that: The cap is installed at the bronchoscope inlet via a threaded connection.

3. The novel sealed suction catheter as described in claim 1, characterized in that: The cap is provided with a connecting strap, which is fixed to the side wall of the tube body. The cap is sealed and fitted onto the inlet of the bronchoscope.

4. The novel sealed suction catheter as described in claim 3, characterized in that: The cap is a soft rubber cap.

5. The novel sealed suction catheter as described in claim 1, characterized in that: The main body of the pipe is also provided with a rinsing port, and a rinsing component is connected to the rinsing port.

6. The novel sealed suction catheter as described in claim 5, characterized in that: The rinsing assembly includes a cleaning bag for holding the cleaning fluid, a delivery pipe connected to the cleaning bag, a switch valve and a flow control valve installed on the delivery pipe.

7. A novel closed suction catheter as described in claim 6, characterized in that: The cleaning bag is also connected to a pressure balloon.

8. A novel closed suction catheter as described in claim 7, characterized in that: The flushing port is located between the suction fitting interface and the endotracheal tube interface, and is located close to the suction fitting interface.

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