CN211096822U - A Novel Multifunctional Medical Oropharyngeal Ventilation Catheter - Google Patents

Abstract

The utility model discloses a novel multifunctional medical oropharyngeal ventilation catheter, which comprises an integrally formed external functional tube and a physiological swallowing tube, the external functional tube is connected with the inner cavity of the physiological swallowing tube to form an airway, and the external end of the external functional tube is connected to There is an air intake pipe, the air intake pipe is connected with the airway, the tube wall of the external functional tube and the physiological swallowing tube are provided with the same through-hole through the stomach tube, and the outer end of the external functional tube is provided with a deactivating cap, which can be used for physiological swallowing. The tube is connected with a balloon. The utility model has good comfort; can be connected to an oral ventilator or a simple breathing bag, can ensure fresh oxygen supply, ensure oxygen supply efficiency, and is convenient for inhalation anesthesia; can provide a special channel for gastric tube; Oropharynx; can timely emergency ventilation, high-frequency ventilation and pressurized oxygen, to achieve a multi-purpose.

Description

A Novel Multifunctional Medical Oropharyngeal Ventilation Catheter

technical field

The utility model belongs to the field of medical instruments, in particular to a novel multifunctional medical oropharyngeal ventilation catheter.

Background technique

Currently in the medical field, it is effective for patients with deep sedation or general anesthesia without intubation in the surgical anesthesia department, pre-hospital emergency coma patients in the ICU emergency department, and patients with obstructive sleep apnea hypopnea syndrome. Preventing the tongue from falling back and maintaining the patency of the airway are the first and most important aspects of basic life support. Simple and difficult airway management is closely related to the safety of anesthesia and the quality of emergency rescue. The currently used oropharyngeal airway was invented by the British anesthesiologist Clover in the 1880s. It is an important auxiliary ventilation device. It can be inserted into the pharynx through the oral cavity, and the base of the tongue is moved forward by the support of the airway tube. It can expand the pharyngeal cavity, improve the airway obstruction caused by tongue back, oropharyngeal stenosis or secretions, and improve ventilation.

However, the current oropharyngeal airway has the following problems:

1. The current oropharyngeal airway is made of hard material, and its insertion process causes great damage to the soft tissue of the oropharynx;

2. In order not to affect the effect of airway opening, the current oropharyngeal airway is generally “prefer deep rather than shallow”, and the hard part of the tongue is just pressed in the middle of the tongue. Because the tongue is rich in nerve endings, especially In the median sulcus and boundary sulcus of the tongue, it will cause strong nausea and discomfort. The maxillofacial part of the airway just presses on the uvula. The uvula is also distributed with rich nerve endings, which respond strongly to stimulation, making the patient unable to resist. Intolerance resulted in implant failure.

3. The current oropharyngeal airway does not have a dedicated channel for indwelling gastric tubes. Anesthetized patients with full stomach or emergency comatose patients often need to urgently place gastric tubes under the condition of ensuring ventilation to prevent suffocation of patients who are accidentally attracted by vomit, etc. serious complications. Patients with acute poisoning need to urgently use gastric lavage under the condition of ensuring ventilation. If a gastric tube is placed first, it may bring difficulties to the oropharyngeal airway.

4. The current oropharyngeal airway cannot be directly connected to the ventilator threaded tube and simple breathing bag. In the state of anesthesia surgery (especially when the face mask cannot be used for oxygen supply), only the nasal cannula is used to supply oxygen fresh air flow Small, poor oxygen delivery efficiency, and inhalation anesthetics cannot be given.

5. The outer opening of the current oropharyngeal airway communicates with the outside world, there is no live cap to block, and there is no inflatable device at the inner opening. If it is not possible to rapidly increase the ambient oxygen concentration and closed pressure system when needed, emergency ventilation and high-frequency ventilation cannot be performed in time. and pressurized oxygen.

Utility model content

The purpose of the utility model is to overcome the above-mentioned existing oropharyngeal airway which is easy to damage the oropharyngeal soft tissue, easy to cause nausea and discomfort, no special channel for gastric tube, inability to interface with ventilator threaded tube and simple breathing bag, inability to timely emergency ventilation, high frequency Due to the shortcomings of ventilation and pressurized oxygen, a new type of multifunctional medical oropharyngeal ventilation catheter was proposed.

The utility model adopts the following technical solutions:

A novel multifunctional medical oropharyngeal ventilation catheter, the key of which is that it comprises an integrally formed external functional tube and a physiological swallowing tube, the external functional tube is communicated with the inner cavity of the physiological swallowing tube to form an airway, and the airway has two parts. The end communicates with the outside world, the physiological swallowing tube extends in an arc shape along the inner end of the external functional tube, and an air intake tube is connected to the outer end of the external functional tube, and the air intake tube communicates with the airway. The effect of this scheme is: the design of the air intake pipe can ensure a good ventilation effect, and can be connected to a ventilator or a simple breathing bag, which can ensure fresh oxygen supply and oxygen supply efficiency during anesthesia operations, and is also convenient for inhalation anesthesia; The arc-shaped extension of the entire ventilation catheter is ergonomic, ensuring good comfort and reducing nausea and discomfort.

As a preferred solution, the tube walls of the external functional tube and the physiological swallowing tube are provided with the same gastric tube through hole, the entrance of the gastric tube through hole is located at the outer end of the external functional tube, and the gastric tube The outlet of the through hole is located at the end of the physiological swallowing tube. The effect of this scheme is: the design of the gastric tube through-hole can increase the ventilation efficiency and become a preparatory airway; provide a special channel for the gastric tube, which is separated from the oxygen supply channel, which can effectively ensure the smooth ventilation of the patient, prevent suffocation, and ensure the oxygen supply. In the case of sufficient volume, the use of gastric tube for rescue work can ensure that patients with full stomach anesthesia or gastric lavage can smoothly insert a gastric tube for gastrointestinal decompression or gastric lavage under the condition of ensuring ventilation, and can avoid the patient's teeth bite. deflated gastric tube and delayed treatment.

As a preferred solution, the outer end of the external functional tube is provided with a live cap, and the live cap closes the inlet of the gastric tube through hole and the airway inlet. The effect of this scheme is: when the live cap is closed, the airway is blocked from the outside world, and fresh oxygen will be quickly sent to the oropharynx, which can ensure the immediate and rapid increase of the ambient oxygen concentration and the closed pressure system, and can timely emergency ventilation, high-frequency ventilation and increase Pressure oxygen.

As a preferred solution, the physiological swallowing tube is connected with a balloon, and the balloon communicates with the airway. The effect of the solution is that the airbag can not only fully open the oral cavity and expand the smoke cavity, but also effectively prevent airway obstruction caused by the back of the tongue 3, oropharyngeal stenosis, secretion blockage, etc., so as to ensure the safety of the patient and facilitate the Carry out rescue work.

As a preferred solution, the sections of the external functional tube and the physiological swallowing tube are flat, and the physiological swallowing tube is ergonomic. The effect of the scheme is: the flat shape is not easy to damage the patient's mouth and throat, and the more ergonomic structure can make the patient more comfortable, not easy to cause nausea, and facilitate the development of rescue work.

As a preferred solution, the air intake pipe extends radially along the external function pipe. The effect of this scheme is that oxygen supply can be uninterrupted during oropharyngeal operations (such as fiberoptic bronchoscopy, gastroscopy), and the operation port and oxygen supply port are separated; It is beneficial to the disinfection and exposure of the surgical field; it has good fixation and is not easy to shift.

As a preferred solution, the diameters of the external functional tube and the physiological swallowing tube gradually decrease as they extend toward the outlet, and the diameter of the inlet end of the physiological swallowing tube is larger than the diameter of the outlet end of the external functional tube. The effect of the solution is that it is convenient to bite the ventilation catheter with teeth when it is in a proper position, and at the same time, the whole ventilation catheter can be better clamped in the oral cavity.

As a preferred solution, the outlet of the physiological swallowing tube is rounded and chamfered. The effect of this program is to increase comfort and prevent damage to the oropharynx.

Beneficial effects: the novel multifunctional medical oropharyngeal ventilation catheter of the utility model conforms to ergonomics and has good comfort; can be connected to an oral ventilator or a simple breathing bag, can ensure fresh oxygen supply, ensure oxygen supply efficiency, and can It is convenient for inhalation anesthesia; it can provide a special channel for the gastric tube; it is easy to fix and not easy to damage the patient's oropharynx; it can be used for emergency ventilation, high-frequency ventilation and pressurized oxygen supply in a timely manner, so that one device can be used for multiple purposes.

Description of drawings

Figure 1 is a schematic diagram of the structure of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Example:

As shown in FIG. 1, a novel multifunctional medical oropharyngeal ventilation catheter includes an integrally formed external functional tube 1 and a physiological swallowing tube 2, and the external functional tube 1 communicates with the inner cavity of the physiological swallowing tube 2 to form an airway, The two ends of the airway are communicated with the outside world. The physiological swallowing tube 2 extends in an arc along the inner end of the external functional tube 1 . , the intake pipe 3 communicates with the air passage.

The wall of the external functional tube 1 and the physiological swallowing tube 2 is provided with the same through-hole 4 through the gastric tube, the inlet of the gastric tube through hole 4 is located at the outer end of the external functional tube 1, and the outlet of the gastric tube through hole 4 is located in the physiological tube. Swallow tube 2 ends.

The outer end of the external functional tube 1 is provided with a live cap 5, and the live cap 5 closes the inlet of the gastric tube through hole 4 and the airway inlet.

In the specific implementation, the external functional tube 1 is made of hard plastic material, which plays the role of a tooth pad to prevent occlusion until the ventilation tube collapses or damages the instrument (such as a fiberoptic bronchoscope). The physiological swallowing tube 2 is made of a Shore hardness of 50~ 100 thick medical silicone or medical elastomer material can play a supporting role but prevent mucosal damage. 1 and the diameter of the physiological swallowing tube 2 gradually decrease as it extends to the outlet, the diameter of the inlet end of the physiological swallowing tube 2 is larger than the diameter of the outlet end of the external functional tube 1, and the physiological swallowing tube 2 is guaranteed to conform to the ergonomic arc design, The length of the physiological swallowing tube 2 is reduced by about 15% compared with the curved length of the tongue surface of the traditional oropharyngeal airway. The outlet of the physiological swallowing tube 2 is rounded and chamfered to avoid irritation of the glossopharyngeal part and the uvula and cause intolerance. In addition, The physiological swallowing tube 2 is connected with an air bag 6, and the air bag 6 is communicated with the airway. After the air bag 6 is inflated, the tongue can also be effectively held up to help open the airway.

The air intake pipe 3 of this scheme can be directly connected to the threaded pipe of the ventilator and the simple breathing bag, which can fully supply oxygen under anesthesia and operation. A live cap 5 is provided to clean the contents of the oral cavity, and an air bag 6 is provided at the inner mouth, which can quickly increase the ambient oxygen concentration and closed pressure system when needed, emergency ventilation, high-frequency ventilation and pressurized oxygen supply to achieve a multi-purpose device, And it can greatly ensure the safety of patients and improve the efficiency of rescue.

Finally, it should be noted that the above descriptions are only the preferred embodiments of the present invention, and those of ordinary skill in the art, under the inspiration of the present invention, can make many Similar expressions, such transformations fall within the protection scope of the present invention.

Claims (8)

1. A novel multifunctional medical oropharyngeal ventilation catheter is characterized in that: comprising an integrally formed external functional tube (1) and a physiological swallowing tube (2), the external functional tube (1) and the physiological swallowing tube (2). The inner cavity of the tube (2) is communicated to form an airway, the two ends of the airway are communicated with the outside world, the physiological swallowing tube (2) extends in an arc shape along the inner end of the external functional tube (1), and the external functional tube (1) An air inlet pipe (3) is connected to the outer end, and the air inlet pipe (3) is communicated with the air passage. 2. A novel multifunctional medical oropharyngeal ventilation catheter according to claim 1, characterized in that: the tube walls of the external functional tube (1) and the physiological swallowing tube (2) are provided with the same penetrating gastric tube. A tube through hole (4), the inlet of the stomach tube through hole (4) is located at the outer end of the external functional tube (1), and the outlet of the stomach tube through hole (4) is located at the physiological swallowing tube (2) ) end. 3. A novel multifunctional medical oropharyngeal ventilation catheter according to claim 2, characterized in that: the outer end of the external functional tube (1) is provided with a live cap (5), and the live cap ( 5) The inlet of the gastric tube through hole (4) and the airway inlet are closed. 4. A novel multifunctional medical oropharyngeal ventilation catheter according to claim 1, characterized in that: the physiological swallowing tube (2) is connected with an airbag (6), and the airbag (6) is connected to the airway. Connected. 5. A novel multifunctional medical oropharyngeal ventilation catheter according to claim 1, characterized in that: the sections of the external functional tube (1) and the physiological swallowing tube (2) extend in a flat shape, and the physiological swallowing tube (2) extends in a flat shape. The swallowing tube (2) is ergonomic. 6 . The novel multifunctional medical oropharyngeal ventilation catheter according to claim 1 , wherein the air inlet pipe ( 3 ) extends radially along the external function pipe ( 1 ). 7 . 7. A novel multifunctional medical oropharyngeal ventilation catheter according to claim 1, characterized in that: the diameters of the external functional tube (1) and the physiological swallowing tube (2) extend toward the outlet It gradually becomes smaller, and the diameter of the inlet end of the physiological swallowing tube (2) is larger than the diameter of the outlet end of the external functional tube (1). 8 . The novel multifunctional medical oropharyngeal ventilation catheter according to claim 1 , wherein the outlet of the physiological swallowing tube ( 2 ) is rounded and chamfered. 9 .

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