Device having oral tracheal intubation replaced with nasal tracheal intubation

Abstract

To provide a device in which an oral tracheal intubation is replaced with a nasal tracheal intubation.SOLUTION: In a device in which an oral tracheal intubation A including a semicircular tube 1 and a guide tube 2 is replaced with a nasal tracheal intubation, the side of the semicircular tube is provided with an opening for placement of the guide tube or tracheal intubation. The diameter of the guide tube is smaller than that of the semicircular tube, and magnetic portions paired with each other are provided on the inner wall of the semicircular tube as well as on the side wall of the guide tube near the end position. The device can effectively assist in replacing the oral tracheal intubation with nasal tracheal intubation, reduce the multiple risks that may exist in the process of replacing intubation, improve the patient's respiratory support method, and improve the prognosis.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to the technical field of medical equipment, specifically to a device that converts oral to nasotracheal intubation. [Background technology]

[0002] Tracheal intubation is an important measure to ensure airway patency, improve ventilation, and maintain oxygenation in critically ill patients, and includes two methods: oral tracheal intubation and nasotracheal intubation.

[0003] Oral tracheal intubation is simple and quick to operate, has a short treatment time, and has a high success rate of intubation. It is often used in emergency treatment of severe acute patients and can quickly improve the ventilation of patients. However, it has a very significant disadvantage in subsequent long-term treatment.

[0004] 1. It adversely affects the physiological functions of the patient's oral cavity and related structures. On the one hand, long-term oral tracheal intubation may cause the patient to suffer from complications such as sore throat, hoarseness, bloody sputum, maxillary mucosa damage, tongue swelling due to pressure, and oral venous return disorder. On the other hand, long-term passive "mouth open and holding the tube" posture may cause temporary or permanent dislocation of the mandibular joint.

[0005] 2. It has a negative effect on the oral hygiene of patients. The fixation of oral intubation is affected by many factors, including the integrity of teeth, occlusal function, cough reflex, and state of consciousness. For example, elderly patients have physiological tooth loss, loose gums, and weak occlusion, which makes oral intubation lose a relatively stable fixed point and very easy to escape. In addition, young patients have a strong cough reflex and strong occlusion, but they have poor tolerance to intubation, and are restless and often cough up the intubation, which causes the intubation to be stopped. Or they bite the tube, which causes the intubation to collapse, making it difficult to intubate.

[0006] 3. Orotracheal intubation has a large degree of mobility and poor tolerance. Orotracheal intubation is inserted through the oral cavity and can move left and right within the oral cavity, and can also move up and down with the swallowing motion. Therefore, the stimulation to the pharynx and the posterior wall of the pharynx is large, causing discomfort such as nausea and retching, so the tolerance is poor.

[0007] Therefore, in clinical practice, the indwelling time of orotracheal intubation is often 3 to 7 days, and the longest does not exceed 14 days. For patients who are predicted to need to be indwelled in the airway for a long period during the disease treatment course, it is necessary to promptly consider changing to non-invasive nasotracheal intubation or performing invasive temporary tracheotomy.

[0008] Nasotracheal intubation has advantages such as being more tolerable, easier to fix, easier to care for, and having a longer indwelling time. 1. Different from orotracheal intubation, nasotracheal intubation enters from the nasal cavity, so its mobility is relatively small, it is easy to fix, reducing the risk of tube dislodgment, and at the same time making the patient's oral care and oral feeding more convenient. 2. Nasotracheal intubation has less irritation to the larynx and a lower incidence of vomiting reflex, the patient is more tolerable, which is beneficial to the reduction of the use of sedatives and analgesics in clinical practice. In clinical practice, some patients do not need to use sedatives and analgesics during the period of using nasotracheal intubation. 3. Patients who undergo early nasotracheal intubation clearly rely on mechanical ventilation for a shorter time than those who undergo orotracheal intubation. Moreover, some patients avoid tracheotomy. And the acceptance of nasotracheal intubation by the patient's family and some conscious patients is also higher.

[0009] Therefore, in case of emergency, critically ill patients who have their airways opened using orotracheal intubation need to be changed to nasotracheal intubation after being evaluated by a doctor. Since the oral and nasal passages are not connected, in current clinical procedures, first, the orotracheal intubation must be completely removed, and then the tube is reinserted nasally by methods such as blind intubation, laryngoscope assistance, bronchofiberscope assistance, LED light assistance, and ultrasonic assistance. This process has a high degree of difficulty and risk. 1. From a physiological perspective, the airway mucosa that has been intubated orally once often has a certain degree of congestion and edema, and the anatomical structure may not be clear even with the assistance of a visible laryngoscope. 2. When orotracheal intubation is removed from critically ill patients, subglottic sputum or airway secretions often overflow, and furthermore, the visibility of the field near the glottis is reduced. 3. When removing orotracheal intubation, it is similar to temporarily completely cutting off respiratory support, and the patient may experience a rapid decrease in oxygen saturation or oxygenation. 4. When using a sufficient amount of anesthetic or muscle relaxant, on the one hand, it inhibits the patient's spontaneous breathing, and on the other hand, it reduces body temperature and blood pressure, making it impossible to maintain vital signs and potentially threatening life.

[0010] Therefore, tracheally intubated patients need an auxiliary device for tube replacement to achieve "perfect connection throughout the whole process" during the tube replacement process, be able to access respiratory support equipment at any time, prevent repeated intubation, reduce airway damage, be convenient and fast to operate, improve the success rate of tube replacement, reduce the risk during the tube replacement process, and ultimately achieve the goal of improving the patient's prognosis.

Summary of the Invention

[0011] The object of the present invention is to overcome the above problems and provide a device for changing orotracheal intubation to nasotracheal intubation. To achieve the above object, the present invention uses the following technical means.

[0012] An apparatus for changing an oral endotracheal tube including a semi-circular tube and a guiding tube into a nasal endotracheal tube, wherein an opening for inserting the guiding tube or the endotracheal tube is provided on a side portion of the semi-circular tube, the diameter of the guiding tube is smaller than that of the semi-circular tube, and magnetic attraction portions combined with each other are provided on an inner wall of the semi-circular tube and at a position close to an end portion on a side wall of the guiding tube. An apparatus for changing an oral endotracheal tube into a nasal endotracheal tube.

[0013] As an improvement, the opening extends to both ends of the semi-circular tube, and the semi-circular tube presents a U shape without being subjected to an external force.

[0014] As an improvement, a scale indicating the insertion depth is provided on the guiding tube.

[0015] As an improvement, the scale indication of the guiding tube is 5 to 65 cm, and the length of the guiding tube is 65 to 75 cm.

[0016] As an improvement, the magnetic attraction portion is provided at a position close to an intermediate portion on the inner wall of the semi-circular tube.

[0017] The advantages of the present invention are as follows.

[0018] The present invention can assist in guiding the endotracheal tube by using a method of matching the semi-circular tube with the guiding tube, effectively reduce the difficulty of tube replacement, and improve the success rate of tube replacement.

[0019] In the present invention, during the process of "changing from an oral endotracheal tube to a nasal endotracheal tube", it is inevitable to temporarily separate from respiratory assistance. By using anesthetics, muscle relaxants, etc., the sudden change of the patient's vital signs and the risk of threatening life can be minimized. At the same time, the success rate of one-time tube replacement can be greatly improved, and the deterioration of airway damage caused by repeated intubation can be avoided. At the same time, this device is easy to operate and easy to learn, and can be popularized to central hospitals to realize its important clinical application value.

Brief Description of the Drawings

[0020]

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Embodiments for Carrying Out the Invention

[0021] In order to make the objectives, technical means and merits of the embodiments of the present invention clearer, hereinafter, while referring to the drawings in the embodiments of the present invention, the technical means in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Usually, here, the assemblies of the embodiments of the present invention illustrated in the drawings can be arranged and designed in various different arrangements.

[0022] In the description of the embodiments of the present invention, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the invention is usually placed during use. It is only for facilitating the description of the present invention and simplifying the description, and does not indicate or imply that the shown device or element must have a specific orientation and be configured and operated in a specific orientation. Therefore, it should not be understood as limiting the present invention. Also, terms such as "first", "second", "third", etc. are only for the purpose of distinguishing and explaining, and should not be understood as indicating or implying relative importance.

[0023] Also, terms such as "horizontal", "vertical", "suspended", etc. do not indicate that the member is required to be absolutely horizontal or suspended, and it may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not indicate that the structure must be completely horizontal, and it may be slightly inclined.

[0024] In the description of the embodiments of the present invention, "a plurality" means at least two.

[0025] In the description of the embodiments of the present invention, unless otherwise clearly defined or limited, when the terms "installation", "attachment", "connection", and "connection" appear, they should be understood broadly. For example, it may be fixedly connected, detachably connected, or integrally connected. It may be mechanically connected or electrically connected. It may be directly connected or indirectly connected by an intermediate member, and the interiors of two elements may communicate with each other. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

[0026] Example 1 In this embodiment, a device for changing an oral endotracheal tube including a semi-circular tube 1 and a guide tube 2 into a nasal endotracheal tube is disclosed. An opening 11 into which the guide tube 2 or the endotracheal tube can be inserted is provided on the side of the semi-circular tube 1, and the opening 11 extends to both ends of the semi-circular tube 1, and the semi-circular tube 1 presents a U shape without receiving the action of an external force.

[0027] The diameter of the guide tube 2 is smaller than that of the semi-circular tube 1, and magnetic attraction parts 3 combined with each other are provided on the inner wall of the semi-circular tube 1 and at a position close to the end on the side wall of the guide tube 2. The magnetic attraction part 3 is provided at a position close to the middle part on the inner wall of the semi-circular tube 1.

[0028] A scale 4 indicating the insertion depth is provided on the guide tube 2. The indication of the scale 4 is 5 - 65 cm, and the length of the guide tube 2 is 65 - 75 cm.

[0029] Hereinafter, the usage method of the present invention will be described with reference to the drawings.

[0030] As shown in FIG. 5, after the patient has received emergency first aid, generally an oral endotracheal tube is used, and after a while after the emergency first aid is completed, it is evaluated by the doctor that it is necessary to convert the oral endotracheal tube into a nasal endotracheal tube.

[0031] The specific operation steps are as follows.

[0032] S1. First, after removing the gas in the balloon inside the orotracheal tube A, as shown in FIGS. 6 and 7, the semi-circular tube 1 was coated and adhered to the outer edge of the orotracheal tube A, and then gently sent into the airway. Since there is an orotracheal tube A, the semi-circular tube 1 can be guided from the orotracheal tube and smoothly sent into the airway.

[0033] S2. After the semi-circular tube 1 was inserted to an appropriate depth (about 20 - 22 cm), as shown in FIG. 8, the orotracheal tube A was removed. In this case, since the semi-circular tube 1 is placed in the airway, if necessary for the patient's condition, the semi-circular tube 1 can be used to connect to the respiratory assistance equipment to maintain the patient's oxygenation.

[0034] S3. As shown in FIGS. 9 and 10, the guiding tube 2 was sent through the nasal passage to the glottis position. In this case, the magnetic suction parts 3 of the semi-circular tube 1 and the guiding tube 2 are attracted to each other near the glottis, so that the semi-circular tube 1 and the guiding tube 2 are coupled. Then, the direction in which the guiding tube 2 will soon slide into the airway was accurately positioned. Then, with a little force, the guiding tube 2 could slide into the airway. The scale 4 is used to determine whether the guiding tube reaches the appropriate anatomical depth. Usually, it is about 25 cm for adults, among which, it is 24 cm for women and often 26 cm for men.

[0035] S4. As shown in FIG. 11, the semi-circular tube 1 was removed from the oral cavity position. Due to the action of the opening 11, when removing the semi-circular tube 1, it does not affect the position of the guiding tube 2 and does not pull the guiding tube 2 or further stimulate the patient's airway.

[0036] S5. As shown in FIGS. 12 - 14, the nasotracheal tube B was sent into the airway along the guiding tube 1 until it reached the appropriate insertion depth.

[0037] S6. After confirming again that the nasotracheal tube B was successfully placed by the conventional auscultation or detection methods such as end-tidal carbon dioxide, the guiding tube 2 was removed (FIG. 15). Then, the nasotracheal tube B was fixed according to the normal subsequent steps and connected to the respiratory assistance equipment. Here, the change from the orotracheal tube to the nasotracheal tube was completed.

[0038] The present invention can effectively assist in changing oral tracheal intubation to nasal tracheal intubation, reduce multiple risks that may exist during the tracheal exchange process, improve the patient's respiratory support method, and improve the prognosis.

[0039] As described above, the specific embodiments of the present invention have been described in detail, but they are only examples, and the present invention is not the same as the specific embodiments described above. For those skilled in the art, any similar modifications and substitutions made to the present invention are within the scope of the present invention. Therefore, equivalent modifications and corrections made without departing from the spirit and principle of the present invention should all be included in the protection scope of the present invention.

Description of Reference Numerals

[0040] 1 semi-circular tube 11 opening 2 guiding tube 3 magnetic suction part 4 scale A oral tracheal intubation B nasal tracheal intubation C oral cavity D nasal cavity E glottis F airway G esophagus

Claims

1. A device for converting oral tracheal intubation, which includes a semicircular tube and a guide tube, into nasotracheal intubation, characterized in that an opening is provided on the side of the semicircular tube through which the guide tube or the tracheal intubation tube can be inserted, the diameter of the guide tube is smaller than the diameter of the semicircular tube, and magnetic attraction parts are provided on the inner wall of the semicircular tube and at a position near the end of the side wall of the guide tube, which are combined with each other.

2. The device for converting oral tracheal intubation into nasotracheal intubation as described in claim 1, characterized in that the opening extends to both ends of the semi-circular tube, and the semi-circular tube assumes a U-shape without being subjected to the action of external force.

3. 2. The device for converting oral tracheal intubation to nasotracheal intubation according to claim 1, characterized in that the guide tube is provided with a scale indicating the depth of insertion.

4. The device for converting oral tracheal intubation into nasotracheal intubation as claimed in claim 3, characterized in that the scale of the guide tube is 5-65 cm, and the length of the guide tube is 65-75 cm.

5. 2. The device for converting oral tracheal intubation to nasotracheal intubation according to claim 1, characterized in that the magnetic attraction part is provided at a position close to the middle part of the inner wall of the semicircular tube.

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