CN220158972U

CN220158972U - Tracheal cannula connecting piece and breathing machine assembly

Info

Publication number: CN220158972U
Application number: CN202321527448.XU
Authority: CN
Inventors: 唐祎航
Original assignee: China Aerospace Science And Engineering Group 731 Hospital
Current assignee: China Aerospace Science And Engineering Group 731 Hospital
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-12-12
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses an endotracheal intubation connecting piece and a respirator assembly. The tracheal cannula connecting piece comprises a catheter, wherein the first end of the catheter is used for being connected with a tracheal cannula, the second end of the catheter is used for being connected with a breathing machine, a liquid discharge pipe is arranged on the side wall of the catheter and is communicated with the inside of the catheter, a sealing cover is arranged on the liquid discharge pipe, and the sealing cover is detachably blocked on the liquid discharge pipe; the guide pipe is internally provided with a baffle, the edge of the baffle is connected with the inner peripheral wall of the guide pipe, the baffle is positioned at the upstream side of the liquid discharge pipe in the upward direction of oxygen supply flow, and a plurality of vent holes are formed in the baffle. When a patient needs to discharge phlegm, the utility model does not need to disconnect the connection between the catheter and the breathing machine pipe, and the sputum suction device can be directly subjected to sputum suction operation after being in butt joint with the butt joint pipe in the process of sputum suction through the butt joint pipe which is arranged at the side part of the catheter, so that oxygen supply and sputum discharge can be simultaneously performed without mutual influence.

Description

Tracheal cannula connecting piece and breathing machine assembly

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an endotracheal intubation connecting piece and a respirator assembly.

Background

During hospitalization of patients with dyspnea, equipment such as a ventilator is required to be provided for the patients, a connecting trachea of the ventilator is generally connected with a trachea cannula of the patient through a catheter and the like, sputum excretion is required to be carried out on the patients when the patients use the ventilator, the trachea cannula is required to be disconnected from the ventilator tube when the patients conduct sputum excretion operation, and then the connected trachea cannula is connected with external sputum extraction equipment to conduct sputum extraction operation.

However, after the connection between the trachea cannula and the breathing machine is disconnected in the sputum excretion process, the oxygen supply of the breathing machine is stopped, which is not beneficial to the health of patients, and the general trachea cannula is tightly connected with the breathing machine pipe and is not easy to insert and pull out, so that the trachea cannula assembly convenient to insert and convenient to excrete sputum is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model innovatively provides an endotracheal intubation connecting piece and a respirator assembly, which can solve the technical problem that the endotracheal intubation is inconvenient to discharge phlegm in the prior art.

To achieve the above object, a first aspect of the present utility model discloses an endotracheal tube connector, comprising a tube, a first end of the tube being adapted to be connected to an endotracheal tube, a second end of the tube being adapted to be connected to a ventilator,

the side wall of the catheter is provided with a liquid discharge pipe which is communicated with the inside of the catheter, the liquid discharge pipe is provided with a sealing cover, and the sealing cover is detachably blocked on the liquid discharge pipe;

the guide pipe is internally provided with a baffle, the edge of the baffle is connected with the inner peripheral wall of the guide pipe, the baffle is positioned at the upstream side of the liquid discharge pipe in the upward direction of oxygen supply flow, and a plurality of vent holes are formed in the baffle.

Further, the liquid discharge pipe is obliquely arranged towards one side of the second end of the guide pipe, and the blocking surface of the baffle is flush with the inner wall of the liquid discharge pipe.

Further, the baffle plate and the liquid discharge pipe are obliquely arranged at the same oblique angle.

Further, the end part of the liquid discharge pipe is provided with a connector, and the inner diameter size of the connector is larger than that of the main body part of the liquid discharge pipe.

In a second aspect, the utility model discloses a ventilator assembly comprising a ventilator tube and the endotracheal tube connector described above,

the end of the ventilator tube is provided with a connection assembly for detachable connection with the second end of the catheter.

Further, the connecting assembly comprises a connecting ring and a clamping ring, the connecting ring and the breathing machine pipe are integrally formed, and the clamping ring is rotatably connected with the connecting ring.

Further, a limiting ring is arranged on the inner peripheral wall of the connecting ring, an annular limiting groove is formed in the outer peripheral wall of the first end of the clamping ring, and the limiting ring is in sliding connection with the limiting groove.

Further, the inner peripheral wall of the snap ring is provided with a connecting groove which extends along the circumferential direction thereof,

the inner peripheral wall of the clamping ring is also provided with a sliding groove, the sliding groove is parallel to the axis of the clamping ring, and the sliding groove is communicated with the connecting groove and the second end of the clamping ring.

Further, a connecting block is arranged on the peripheral wall of the second end of the guide pipe, and the connecting block can slide into the connecting groove from the sliding groove.

Further, a friction layer is arranged on the connecting block and is in contact with the inner wall of the connecting groove.

The beneficial effects of the utility model are as follows:

the tracheal cannula connecting piece is fixedly connected with the tracheal cannula through the first end of the catheter, and the second end of the catheter is connected with the breathing machine pipe, so that breathing and oxygen supplying operation can be performed on a patient through the breathing machine pipe. When the patient needs to discharge phlegm, need not to break the connection of pipe and breathing machine pipe, the fluid-discharge tube that sets up through the pipe lateral part is connected with the butt joint pipe of taking out phlegm equipment, can directly take out phlegm operation with taking out after phlegm equipment and butt joint pipe butt joint when taking out the phlegm to can block the sputum that has certain stickness through the setting of baffle, make the sputum only can be discharged by the fluid-discharge tube, can not cause the influence to the breathing machine. The utility model can simultaneously supply oxygen and discharge phlegm without mutual influence.

Drawings

FIG. 1 is a schematic view showing a connection state of an endotracheal tube connecting member and a ventilator tube according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view showing a connection state of an endotracheal tube connecting member and a ventilator tube according to an embodiment of the present utility model;

FIG. 3 shows an enlarged view at A in FIG. 2;

fig. 4 shows an enlarged view at B in fig. 2.

In the drawing the view of the figure,

1. a conduit; 11. a liquid discharge pipe; 111. a connector; 12. a baffle; 13. a connecting block; 131. a friction layer; 14. sealing cover; 2. a ventilator tube; 21. a connecting ring; 211. a limiting ring; 22. a clasp; 221. a limit groove; 222. a connecting groove; 223. and a sliding groove.

Detailed Description

The tracheal cannula connector and the respirator assembly provided by the utility model are explained and illustrated in detail below with reference to the accompanying drawings.

The tracheal cannula connecting piece is fixedly connected with the tracheal cannula through the first end of the catheter, and the second end of the catheter is connected with the breathing machine pipe, so that breathing and oxygen supplying operation can be performed on a patient through the breathing machine pipe. When the patient needs to discharge phlegm, need not to break the connection of pipe and breathing machine pipe, the fluid-discharge tube that sets up through the pipe lateral part is connected with the butt joint pipe of taking out phlegm equipment, can directly take out phlegm operation with taking out after phlegm equipment and butt joint pipe butt joint when taking out the phlegm to can block the sputum that has certain stickness through the setting of baffle, make the sputum only can be discharged by the fluid-discharge tube, can not cause the influence to the breathing machine. The utility model can simultaneously supply oxygen and discharge phlegm without mutual influence. The utility model is described in detail below in connection with specific implementations:

as shown in fig. 1, the present utility model provides an endotracheal tube connector, comprising a tube 1, a first end of the tube 1 being adapted to be connected to an endotracheal tube, a second end of the tube 1 being adapted to be connected to a respirator, and oxygen being supplied to a patient through the tube 1. The side wall of the catheter 1 is provided with a liquid discharge pipe 11, the liquid discharge pipe 11 is communicated with the inside of the catheter 1, the liquid discharge pipe 11 is provided with a sealing cover 14, the sealing cover 14 is detachably plugged on the liquid discharge pipe 11, when sputum is not required to be discharged, the sealing cover 14 is plugged on the liquid discharge pipe 11, when the sputum is required to be discharged, the sealing cover 14 is taken down, and then the liquid discharge pipe 11 is connected with sputum discharging equipment.

Alternatively, the first end of the catheter 1 may be elongated so that the catheter 1 may be used as an endotracheal tube, i.e. the first end of the catheter 1 is inserted into the patient's trachea.

As shown in fig. 2 and 3, a baffle plate 12 is provided in the duct 1, the edge of the baffle plate 12 is connected to the inner peripheral wall of the duct 1, the baffle plate 12 is located upstream of the drain pipe 11 in the oxygen supply flow direction, and a plurality of ventilation holes are provided in the baffle plate 12. The setting of baffle 12 can block the sputum flow to the breathing machine to can play the water conservancy diversion effect to the sputum, make the sputum flow to fluid-discharge tube 11, the air vent on the baffle 12 can guarantee simultaneously that oxygen can pass through baffle 12 smoothly, can not influence the oxygen suppliment. Optionally, the vent hole is a microporous structure, for example, the aperture is 1mm-3mm, and evenly distributed has a plurality of, can guarantee that oxygen flows smoothly, can avoid the sputum to flow through again.

In one embodiment, the liquid discharge tube 11 is obliquely arranged towards one side of the second end of the catheter 1, and in the use state, the first end of the catheter 1 is connected with the tracheal cannula of a patient, the second end of the catheter 1 is connected with the breathing machine, and the liquid discharge tube 11 obliquely arranged enables the liquid discharge tube 11 to be in a downward inclined state as a whole, so that the sputum discharge tube is convenient to be connected with sputum discharge equipment on one hand, and sputum is also facilitated to flow outside the catheter 1 on the other hand. Optionally, the baffle 12 blocks the face and the inner wall parallel and level of fluid-discharge tube 11, and further, baffle 12 and fluid-discharge tube 11 are with the same inclination slope setting, and baffle 12 blocks the sputum, and the slope setting can make when not discharging the phlegm state, and the sputum can flow to fluid-discharge tube 11 or, has the trend of flow to fluid-discharge tube 11 along baffle 12, makes the sputum more discharge easily like this, also can guarantee that the sputum can be discharged cleaner.

Optionally, the end of the drain pipe 11 is provided with a connector 111, the connector 111 being for connection with a sputum excretion device. In one embodiment, the inner diameter of the connector 111 is larger than the inner diameter of the main body of the liquid discharge tube 11, and the inner diameter of the connector 111 is larger than the inner diameter of the liquid discharge tube 11, so that when sputum flows into the liquid discharge tube 11 automatically, the position of the connector 111 has a certain storage function and can accommodate a certain amount of sputum.

In another embodiment, the utility model also provides a breathing machine assembly, as shown in fig. 1 and 2, comprising a breathing machine tube 2 and the tracheal cannula connecting piece, wherein the breathing machine tube 2 is connected with a breathing machine to supply oxygen to a patient. The end of the breathing machine pipe 2 is provided with a connecting component, and the connecting component is used for being detachably connected with the second end of the catheter 1, so that the trachea cannula connecting piece is replaceable, and the disposable use of the trachea cannula connecting piece is realized.

In this embodiment, as shown in fig. 4, the connection assembly includes a connection ring 21 and a snap ring 22, the connection ring 21 is integrally formed with the ventilator tube 2, and the snap ring 22 is rotatably connected with the connection ring 21. Optionally, the inner diameter of the connecting ring 21 is larger than the inner diameter of the ventilator tube 2, and an annular boss is formed at the connection of the connecting ring 21 and the ventilator tube 2, and can perform a limiting function when being connected with the second end of the catheter 1.

The inner peripheral wall of the connecting ring 21 is provided with a limiting ring 211, the outer peripheral wall of the first end of the clamping ring 22 is provided with an annular limiting groove 221, and the limiting ring 211 is in sliding connection with the limiting groove 221, so that the clamping ring 22 and the connecting ring 21 can rotate relatively. Alternatively, a portion of the outer diameter of the first end of the snap ring 22, which is equal to the inner diameter of the connection ring 21, is formed with a stopper groove 221 on the outer wall thereof so as to be able to extend into the connection ring 21. The connection of the first end of the snap ring 22 and the main body portion thereof forms a boss for positioning the connection of the snap ring 22 and the connection ring 21. Further, the limiting groove 221 is in sealing contact with the limiting ring 211, so that air leakage at the joint of the clamping ring 22 and the connecting ring 21 is avoided.

The inner peripheral wall of the snap ring 22 is provided with a connecting groove 222, and the connecting groove 222 extends in the circumferential direction thereof, and may be formed as an arc-shaped groove, for example. A sliding groove 223 is further provided on the inner peripheral wall of the snap ring 22, the sliding groove 223 is parallel to the axis of the snap ring 22, and the sliding groove 223 communicates with the connecting groove 222 and the second end of the snap ring 22. The second end peripheral wall of the catheter 1 is provided with the connecting block 13, and the connecting block 13 can slide into the connecting groove 222 from the chute 223, optionally, the width of the connecting block 13 (the size in the circumferential direction of the catheter 1) is slightly smaller than the width of the chute 223, so that the connecting block 13 can smoothly slide through the chute 223, and the chute 223 and the connecting block 13 can play a role in positioning the connection of the catheter 1. The thickness of the connection block 13 (the dimension in the axial direction of the catheter 1) is similar to the width of the connection groove 222 and slightly smaller than the width of the connection groove so that it can slide into the connection groove 222 but cannot be displaced too much in the axial direction.

Optionally, the friction layer 131 is disposed on the connection block 13, where the friction layer 131 contacts with the inner wall of the connection groove 222, and the friction layer 131 is made of a flexible material, such as silica gel, so as to increase the friction force between the connection block 13 and the connection groove 222 and improve the connection reliability.

The working principle and the using flow of the utility model are as follows: in the use process, the first end of the catheter 1 is fixedly connected with the tracheal cannula used by a patient, or the catheter 12 is used as the tracheal cannula, then the clamping ring 22 on the breathing machine tube 2 is rotated to align the sliding groove 223 with the connecting block 13 at the second end of the catheter 1, then the connecting block 13 is slid into the connecting groove 222 along the sliding groove 223, then the clamping ring 22 is rotated to slide the connecting block 13 into the connecting groove 222, and the clamping ring 22 is rotated reversely to take out the connecting block 13 when the connecting block 13 needs to be disassembled.

When sputum is required to be discharged, the breathing machine is not required to be stopped, only the sealing cover 14 on the liquid discharge pipe 11 is required to be taken down, external sputum suction equipment is connected with the liquid discharge pipe 11 to suck the sputum, the sputum enters the liquid discharge pipe 11 along the inclined baffle 12, the breathing is not influenced, and the practicability of the equipment is improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to the terms "present embodiment," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any at least one embodiment or example. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, but any modifications, equivalents, and simple improvements made within the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A tracheal cannula connecting piece is characterized by comprising a catheter, wherein a first end of the catheter is used for being connected with a tracheal cannula, a second end of the catheter is used for being connected with a breathing machine,

2. The endotracheal tube connector of claim 1 wherein the drain tube is inclined toward the second end side of the tube, the blocking surface of the baffle being flush with the inner wall of the drain tube.

3. The endotracheal tube connection of claim 2 wherein the baffle is inclined at the same inclination angle as the drain tube.

4. The endotracheal tube connector of claim 2 wherein the end of the drain tube is provided with a connector having an inside diameter dimension that is greater than the inside diameter dimension of the body portion of the drain tube.

5. A ventilator assembly comprising a ventilator tube and an endotracheal tube connection according to any of claims 1-4,

6. The ventilator assembly of claim 5, wherein the connection assembly comprises a connection ring integrally formed with the ventilator tube and a snap ring rotatably coupled to the connection ring.

7. The ventilator assembly of claim 6, wherein the inner peripheral wall of the connecting ring is provided with a stop collar, the outer peripheral wall of the first end of the collar is formed with an annular stop slot, and the stop collar is slidably coupled to the stop slot.

8. The ventilator assembly of claim 7, wherein the inner peripheral wall of the collar is provided with a connecting groove extending circumferentially therealong,

9. The ventilator assembly of claim 8, wherein a connection block is provided on the second end peripheral wall of the conduit, the connection block being slidable from the chute into the connection slot.

10. The ventilator assembly of claim 9, wherein the connection block is provided with a friction layer, the friction layer being in contact with an inner wall of the connection groove.