Trachea cannula adapter
The endotracheal tube adapter, with its magnetic attachment and snap-fit spring plate structure, solves the problem of time-consuming connection in emergency situations, enabling rapid connection and disconnection, and ensuring the stability of oxygen supply and the quality of respiratory support.
Patent Information
- Application Number
- CN202422884817.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing endotracheal tube adapters take too long to connect and disconnect in emergency situations, which may lead to ventilation interruption or insufficient oxygenation, affecting the stability of the patient's oxygen supply.
It adopts a magnetic suction component and snap-fit spring plate structure. The magnetic suction component is used for initial fixation, and the snap-fit spring plate enables quick connection and separation. Combined with a sealing ring and flexible connection part, it ensures the stability and flexibility of the connection.
It enables rapid connection and disconnection of endotracheal tubes and adapters, ensuring continuous oxygen supply, reducing connection time in emergencies, and improving the stability of patient oxygen supply and the quality of respiratory support.
Smart Images

Figure CN223696531U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, and in particular to a tracheal intubation adapter. Background Technology
[0002] In the intensive care unit, patients' bodily functions are impaired and their conditions are complex and changeable. To maintain a clear airway, endotracheal intubation has become the most effective method for respiratory support in critically ill patients. When performing invasive mechanical ventilation, endotracheal intubation via the mouth or nose is required. The general intubation procedure is as follows: oxygen is supplied to the patient using a portable respirator to provide a certain oxygen reserve, along with appropriate analgesia and sedation. The laryngoscope is held in the left hand and inserted through the right corner of the mouth to fully expose the epiglottis and glottis. The endotracheal tube is then inserted to a depth of a certain number of centimeters into the incisors or nostrils. The cuff is inflated, and ventilation is provided using the portable respirator. Auscultation reveals symmetrical breath sounds in both lungs. A bite block is placed, the tube is secured, and mechanical ventilation is connected. During the period from endotracheal intubation to the first ventilation, the patient does not receive oxygen inhalation. At this time, the body is most hypoxic, and pure oxygen inhalation is often most needed during this stage. To facilitate continuous oxygen supply during intubation, adapters that can be installed on the endotracheal tube have been developed on the market. The other end of the adapter can be connected to an oxygen tube or ventilator tubing, etc.
[0003] However, some adapters employ complex internal structures, such as anti-detachment latches or multi-layered nesting designs, to ensure a tight and stable connection. While these help prevent accidental detachment during normal use, such complex connection methods can be time-consuming in emergency situations, like when rapid switching of ventilation equipment or troubleshooting adapter malfunctions. For instance, when a ventilator malfunctions and needs to be urgently replaced with a portable respirator, healthcare workers may spend considerable time disassembling and reconnecting the adapter. During this time, the patient may experience ventilation interruption or insufficient oxygenation, making rapid insertion and removal difficult. Utility Model Content
[0004] This utility model provides an endotracheal tube conversion connector to solve the aforementioned technical problems.
[0005] This utility model embodiment adopts the following technical solution: it includes an endotracheal tube body and an adapter for connecting to the endotracheal tube body. The input end of the adapter is provided with two air inlet connectors. One end of the adapter is provided with a first magnetic suction element. One end of the endotracheal tube body is provided with a second magnetic suction element that attracts the first magnetic suction element. The end of the endotracheal tube body is provided with multiple snap-fit spring plates. The multiple snap-fit spring plates are radially arranged and equidistantly arranged around the axis of the port of the endotracheal tube body. The inner wall of the snap-fit spring plate is provided with a snap-fit part. The outer wall of the adapter is provided with a snap-fit ring groove for the snap-fit part to snap into. When the end of the adapter abuts against the snap-fit part, the snap-fit spring plate moves outward under force. When the snap-fit ring groove is opposite to the end of the snap-fit part, the snap-fit spring plate restores its deformation and drives the snap-fit part into the snap-fit ring groove. The quick connection between the adapter and the endotracheal tube body is achieved by the snap-fit part snapping into the snap-fit ring groove.
[0006] Furthermore, an abutment ring is slidably connected to the outer wall of the adapter, and when the abutment ring abuts against the snap-fit spring plate, the snap-fit spring plate moves away from the main port of the endotracheal tube, so that the snap-fit part can be moved out of the snap-fit ring groove.
[0007] Furthermore, a spring is connected between the upper end of the abutment ring and the outer wall of the adapter, which can cause the abutment ring to fall off and abut against the snap-fit spring plate.
[0008] Furthermore, the adapter has a first abutment at its end and a second abutment corresponding to the first abutment on the snap-fit part, so that the adapter abuts against the snap-fit part, thereby causing the snap-fit spring plate to deform under force.
[0009] Furthermore, the adapter is provided with a sealing ring at its end, and the endotracheal tube body is provided with a sealing groove corresponding to the sealing ring, so that the connection between the adapter and the endotracheal tube body is better sealed.
[0010] Furthermore, the adapter is provided with a flexible connecting part, which is located below the two air inlet connectors, allowing the adapter to be bent to better adapt to different operating environments and patient positions.
[0011] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:
[0012] In this invention, the snap-fit spring drives the snap-fit part into the snap-fit ring groove, connecting the adapter to the endotracheal tube body without affecting their rotation, thus increasing flexibility. This allows for continuous oxygen inhalation to the patient during endotracheal intubation. When it is necessary to separate the endotracheal tube body from the adapter, the snap-fit spring is simply pushed outward by the abutment ring, causing the snap-fit part to disengage from the snap-fit ring groove. This enables quick insertion and removal between the adapter and the endotracheal tube body, making connection easier in emergency situations. Attached Figure Description
[0013] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a cross-sectional structural diagram of the present invention;
[0016] Figure 3 This is a cross-sectional structural diagram of the endotracheal tube body and the adapter when separated in this utility model;
[0017] Figure 4 This is a partial structural schematic diagram of the present invention;
[0018] Figure 5 This is a three-dimensional structural diagram of the adapter in this utility model;
[0019] Figure 6 This is a cross-sectional structural diagram of the adapter in this utility model.
[0020] Figure Labels
[0021] Endotracheal tube body 1, adapter 2, air inlet 21, first magnetic suction 3, second magnetic suction 31, snap-fit spring plate 4, snap-fit part 41, snap-fit ring groove 42, contact ring 5, spring 6, first contact part 7, second contact part 71, sealing ring 8, sealing groove 81, flexible connection part 9. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0023] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0024] This utility model provides an endotracheal tube adapter, including an endotracheal tube body 1 and an adapter 2 for connecting to the endotracheal tube body 1. In use, the endotracheal tube body 1 is first inserted into the patient's trachea. Then, the output end of the adapter 2 is connected to the endotracheal tube body 1. The input end of the adapter 2 has two air inlet connectors 21, one of which can be connected to a ventilator bag or ventilator tubing. Gas is delivered into the endotracheal tube through this air inlet connector 21. Rhythmic squeezing of the bag simulates the rise and fall of the chest during normal breathing, forcing air or oxygen into the patient's lungs. One inlet connector 21 is for the lungs, helping the patient breathe and maintaining the body's oxygen supply and carbon dioxide expulsion. The other inlet connector 21 can be connected to an oxygen tube. During endotracheal intubation, this inlet connector 21 is connected to a central oxygen source or oxygen cylinder through an oxygen connection tube, which can continuously deliver high-concentration oxygen into the endotracheal tube, further increasing the oxygen content in the patient's inhaled gas and ensuring that the patient can obtain sufficient oxygen supply. It works in conjunction with bag-valve-mask ventilation. When the bag-valve-mask is ventilated, the high-concentration oxygen mixed in can better meet the patient's oxygen demand, improve the overall quality of respiratory support, and better maintain the patient's respiratory function.
[0025] One end of the adapter 2 is provided with a first magnetic suction member 3, and one end of the endotracheal tube body 1 is provided with a second magnetic suction member 31 that attracts the first magnetic suction member 3. When the input end of the endotracheal tube body 1 is connected to the output end of the adapter 2, the initial fixation between the two is achieved by the mutual attraction of the first magnetic suction member 3 and the second magnetic suction member 31. The first magnetic suction member 3 and the second magnetic suction member 31 can be made of magnets or other devices. In addition, multiple snap-fit spring plates 4 are provided at the end of the endotracheal tube body 1. The multiple snap-fit spring plates 4 are radially arranged and equidistantly arranged around the axial circumference of the port of the endotracheal tube body 1. The snap-fit spring plates 4 can be made of plastic, metal or other materials with a certain toughness or elasticity. The inner wall of the snap-fit spring plate 4 is provided with a snap-fit part 41, and the outer wall of the adapter 2 is provided with a snap-fit ring groove 42 for the snap-fit part 41 to be snapped in. When the end of the adapter 2 When the adapter 2 comes into contact with the locking part 41, the locking spring plate 4 moves outward under the force of the adapter 2, allowing the adapter 2 to continue moving towards the endotracheal tube body 1 until the first magnetic suction member 3 and the second magnetic suction member 31 attract each other. The locking ring groove 42 is opposite to the end of the locking part 41, and the end of the adapter 2 will not come into contact with the locking part 41. The locking spring plate 4 returns to its original shape, driving the locking part 41 into the locking ring groove 42, completing the connection between the adapter 2 and the endotracheal tube body 1. At the same time, the locking part 41 can rotate along the axis of the adapter 2 in the locking ring groove 42, allowing the endotracheal tube body 1 and the adapter 2 to rotate relative to each other, which is more flexible. In use, the adapter 2 can be inserted into the direction of the input end of the endotracheal tube body 1 with a certain force, which facilitates the quick connection between the two in an emergency.
[0026] In order to facilitate the rapid separation between the adapter 2 and the endotracheal tube body 1, an abutment ring 5 is slidably connected to the outer wall of the adapter 2. When the sliding abutment ring 5 abuts against the snap-fit spring plate 4, the snap-fit spring plate 4 moves away from the port of the endotracheal tube body 1. At this time, the snap-fit spring plate 4 will drive the snap-fit part 41 to disengage from the snap-fit ring groove 42. Then the adapter 2 and the endotracheal tube body 1 move in opposite directions, so that the first magnetic suction member 3 and the second magnetic suction member 31 can be separated from each other.
[0027] Preferably, a spring 6 is connected between the upper end of the abutment ring 5 and the outer wall of the adapter 2. When the adapter 2 is connected to the endotracheal tube body 1, the spring 6 will drive the abutment ring 5 away from the locking part 41, so that the abutment ring 5 will not arbitrarily abut against the locking spring plate 4, reducing the possibility of the endotracheal tube body 1 and the adapter 2 separating.
[0028] Preferably, the end of the adapter 2 is provided with a first abutting part 7, and the locking part 41 is provided with a second abutting part 71 corresponding to the first abutting part 7. Both the first abutting part 7 and the second abutting part 71 are inclined slopes. When the adapter 2 moves to abut against the locking part 41, the friction between the edge of the adapter 2 end and the edge of the locking part 41 is reduced by the contact between the first abutting part 7 and the second abutting part 71, that is, the contact between the slopes, making it easier for the locking part 41 to drive the locking spring plate 4 to move outward.
[0029] Preferably, the end of the adapter 2 is provided with a sealing ring 8, and the endotracheal tube body 1 is provided with a sealing groove 81 corresponding to the sealing ring 8. After the endotracheal tube body 1 is connected to the adapter 2, the sealing ring 8 enters the sealing groove 81, and the cross-sectional area of the sealing ring 8 can be larger than the cross-sectional area of the sealing groove 81, so that the sealing ring 8 can be deformed under pressure in the sealing groove 81, and more tightly abut against the inner wall of the sealing groove 81, thereby improving the sealing effect and reducing the air leakage between the adapter 2 and the endotracheal tube body 1.
[0030] Preferably, the adapter 2 is provided with a flexible connection part 9, and the flexible connection part 9 is located below the two air inlet connectors 21. The flexible connection part 9 can better adapt to different operating environments and patient positions. For example, when the patient's head is in a low position or there are obstacles around, the soft and bendable part can be easily adjusted to avoid collisions with other objects. The flexible connection part 9 can be made of metal shaped hose or corrugated hose, etc. In order to avoid affecting the gas passage when it bends, it is preferred to use a metal shaped hose, so that it can be bent to a certain extent and can no longer be bent.
[0031] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.
Claims
1. A tracheal tube adapter comprising a tracheal tube body (1) and an adapter (2) for connecting to the tracheal tube body (1), characterized in that The input end of the adapter (2) is provided with two air inlet joints (21), one end of the adapter (2) is provided with a first magnetic attraction member (3), one end of the tracheal tube body (1) is provided with a second magnetic attraction member (31) which is mutually attracted with the first magnetic attraction member (3), the end of the tracheal tube body (1) is provided with a plurality of clamping spring plates (4), the plurality of clamping spring plates (4) are radially arranged and equidistantly arranged around the axis circumference of the tracheal tube body (1) port, the inner wall of the clamping spring plate (4) is provided with a clamping part (41), the outer wall of the adapter (2) is provided with a clamping ring groove (42) for clamping the clamping part (41), when the end of the adapter (2) is in contact with the clamping part (41), the clamping spring plate (4) is forced to move outward, and when the clamping ring groove (42) is opposite to the end of the clamping part (41), the clamping spring plate (4) restores the deformation to drive the clamping part (41) into the clamping ring groove (42).
2. A tracheal tube adaptor according to claim 1, wherein, The outer wall of the adapter (2) is slidably connected with a contact ring (5), and when the contact ring (5) is in contact with the clamping spring plate (4), the clamping spring plate (4) moves away from the port of the tracheal tube body (1).
3. A tracheal tube adaptor according to claim 2, wherein, The upper end of the contact ring (5) and the outer wall of the adapter (2) are connected with a spring (6).
4. The tracheal tube adapter of claim 1, wherein, The end of the adapter (2) is provided with a first contact part (7), and the clamping part (41) is provided with a second contact part (71) corresponding to the first contact part (7).
5. The tracheal tube adapter of claim 1, wherein, The end of the adapter (2) is provided with a sealing ring (8), and the tracheal tube body (1) is provided with a sealing groove (81) corresponding to the sealing ring (8).
6. A tracheal tube adaptor according to claim 1, wherein, The adapter (2) is provided with a flexible connecting part (9), and the flexible connecting part (9) is located below the two air inlet joints (21).