CN216797698U - Mouth formula sputum collection device under supporting condition is breathed to no wound - Google Patents

Abstract

The utility model discloses a buccal sputum collection device under the condition of noninvasive respiratory support, which comprises a buccal sputum discharge oropharyngeal tube, a mini valve, a first double-head female connecting tube, a second double-head female connecting tube and a sputum liquid-gas separator; the buccal and sputum excretion oropharyngeal tube consists of a funnel-shaped oropharyngeal airway and wing-shaped oral pendants, and the two wing-shaped oral pendants are symmetrically arranged on the outer side of the funnel-shaped oropharyngeal airway; the funnel-shaped oropharyngeal airway is divided into a funnel part, a throat part, an air guide part and a pagoda-shaped male connector; one end of the first double-head female connecting pipe is connected with the pagoda-shaped male connector end of the funneled oropharyngeal airway, and the other end of the first double-head female connecting pipe is connected with the air inlet end of the mini valve; the utility model can help the patient to discharge sputum when the patient uses a breathing machine to ventilate through the oronasal mask in a noninvasive mode, reduces the pollution of aerosol such as bacteria, viruses and the like in the environment, and is beneficial to preventing and treating various respiratory tract infections and infections in intensive care units.

Description

Mouth formula sputum collection device under supporting condition is breathed to no wound

Technical Field

The utility model relates to the field of medical equipment, in particular to a buccal sputum collection device under a noninvasive respiratory support condition.

Background

At present critical respiratory noninvasive breathing support technical field, mainly rely on the noninvasive breathing under the oronasal mask to support ventilate, this kind of ventilation mode is effectual to mild respiratory failure patient, can pass through the oronasal mask, establish the passageway and prevent gas leakage between breathing machine pipeline and trachea, thereby guarantee that positive pressure ventilation goes on smoothly, however, because in the patient breathes in and exhales the full period, breathing machine pipeline, oronasal mask, the patient oral cavity, nasal cavity and pharyngeal portion all have higher malleation, make patient's alveolus, the mucus in little trachea and the trachea outwards discharge through pharyngeal portion and oral cavity at patient's exhaling phase smoothly, thereby lead to the sputum to gather in trachea and lung, serious person can form the phlegm tie, cause the air flue to block up, lead to patient's asphyxia, complication such as infection. Clinically, cough is mainly guided, and a sputum suction tube sucks sputum through the oropharynx, but the effect is not ideal.

Disclosure of Invention

In view of the technical deficiencies, the present invention provides a buccal sputum collection device under the condition of noninvasive respiration support, which can help the patient to discharge sputum and reduce the pollution of aerosol such as bacteria and viruses in the environment when the patient uses a ventilator to ventilate through a oronasal mask in a noninvasive manner.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a buccal sputum collection device under the condition of noninvasive respiratory support is characterized by comprising a buccal sputum discharge oropharyngeal tube, a mini valve, a first double-head female connecting tube, a second double-head female connecting tube and a sputum liquid-gas separator; the buccal and sputum excretion oropharyngeal tube consists of a funnel-shaped oropharyngeal airway and wing-shaped oral pendants, and the two wing-shaped oral pendants are symmetrically arranged on the outer side of the funnel-shaped oropharyngeal airway; the funnel-shaped oropharyngeal airway is divided into a funnel part, a narrow part, an air guide part and a pagoda-shaped male connector;

one end of the first double-head female connecting pipe is connected with the pagoda-shaped male connector end of the funnel-shaped oropharyngeal airway, and the other end of the first double-head female connecting pipe is connected with the air inlet end of the mini valve; one end of the second double-head female connecting pipe is connected with the air outlet end of the mini valve, and the other end of the second double-head female connecting pipe is connected with the air inlet of the sputum liquid-gas separator.

Preferably, the throat is turbofan shaped, the throat having a diameter smaller than the air guide and the funnel.

The utility model has the beneficial effects that 1, the effect of collecting the sputum of a patient is achieved, the pollution of aerosol such as bacteria, viruses and the like in the environment is reduced, and the prevention and the treatment of various respiratory tract infections and infections in intensive care units are facilitated.

2. The shape structure design of the buccal sputum excretion oropharyngeal tube utilizes the fluid mechanics principle to accelerate airflow and liquid, thereby overcoming the influence of the gravity of the fluid on sputum excretion.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a split structure of a buccal sputum collection device under the condition of noninvasive respiratory support provided by the utility model.

Description of reference numerals:

the sputum-liquid separating device comprises a funnel part 1, a narrow part 2, a wing-shaped oral pendant 3, a pagoda-shaped male connector 4, a first double-head female connecting pipe 5, an air inlet end 6, a mini valve 7, an air outlet end 8, a second double-head female connecting pipe 9, an air guide part 10 and a sputum-liquid-gas separator 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a buccal sputum collection device under the condition of noninvasive respiratory support comprises a buccal sputum discharge oropharyngeal tube, a mini valve 7, a first double-head female connecting tube 5, a second double-head female connecting tube 9 and a sputum liquid-gas separator 11; the buccal and sputum excretion oropharyngeal tube consists of a funnel-shaped oropharyngeal airway and wing-shaped oral pendants 3, and the two wing-shaped oral pendants 3 are symmetrically arranged at the outer side of the funnel-shaped oropharyngeal airway; the funnel-shaped oropharyngeal airway is divided into four parts, namely a funnel part 1, a narrow part 2, an air guide part 10 and a pagoda-shaped male connector 4;

one end of a first double-head female connecting pipe 5 is connected with the end of a pagoda-shaped male connector 4 of the funneled oropharyngeal airway, and the other end of the first double-head female connecting pipe 5 is connected with an air inlet end 6 of a mini valve 7; one end of a second double-head female connecting pipe 9 is connected with the air outlet end 8 of the mini valve 7, and the other end of the second double-head female connecting pipe 9 is connected with an air inlet of the sputum liquid-gas separator 11.

Further, the throat part 2 is in a vortex fan shape, and the diameter of the throat part 2 is smaller than that of the air guide part 10 and the funnel part 1; the narrow part 2 is designed into a turbofan shape, and the sputum and the airflow are accelerated by utilizing the aerodynamic principle.

Further, the sputum liquid-liquid separator 11 comprises an air inlet joint, a sputum drainage tube, a liquid-gas filter, an air outlet tube and a sputum storage tank; the air inlet connector is arranged at the top of the sputum storage tank, the sputum drainage tube is arranged in the sputum storage tank, the top end of the sputum drainage tube is connected with the bottom end of the air inlet connector, and the bottom end of the sputum drainage tube is arranged in the liquid-gas filter; one end of the exhaust pipe penetrates through the top of the sputum storage tank and is arranged in the sputum storage tank, and one end of the exhaust pipe is higher than the liquid-gas filter; sputum and air current are through admission joint and sputum drainage tube, and liquid and gas are through liquid gas filter, and expired gas is discharged through the blast pipe, and the sputum flows through liquid gas filter and stagnates, drips into the sputum storage tank bottom.

Application under the condition of non-invasive nose mask or nasal obstruction

Hanging the sputum liquid-gas separator 11 beside a patient bed, and flatly placing a sputum excretion pipeline as much as possible;

the nasal plug or mask is connected to the noninvasive ventilator and respiratory support is initiated. When the buccal sputum collecting device is used, a patient opens the mouth to hold the buccal sputum discharge oropharyngeal tube, the buccal sputum discharge oropharyngeal tube is placed on the surface of the tongue, the funnel part 1 slightly supports the soft palate and the xuyong hammer, and the opening of the funnel part 1 is opposite to the glossopharyngeal part.

When the mini valve 7 is opened, sputum and airflow can pass through the funnel part 1 of the funnel-shaped oropharyngeal airway, when the sputum and the airflow pass through the narrow part 2, the sputum and the airflow flow out at a slight speed, flow out from the air guide part 10, the pagoda-shaped male connector 4 and the first double-head female connecting pipe 5, and flow through the second double-head female connecting pipe 9 to flow into the sputum-liquid-gas separator 11 after passing through the mini valve 7; the sputum liquid-gas separator 11 separates liquid and gas, the gas is discharged, and the liquid is left in the sputum liquid-gas separator 11.

The wing-shaped oral pendant 3 on both sides of the device is made into a lollipop shape or a devil's-fish shape, so that the device can be well adapted to the anatomical structures of the oral cavity and the pharyngeal portion.

Second, the application under the condition of noninvasive mask for mouth and nose

Firstly, the end 4 of the pagoda-shaped male connector of the oral pharyngeal tube for sucking and discharging phlegm passes through a small hole at the bottom of the oral nasal mask and passes out of the interface part to use a silica gel sealing pipeline to be connected with the small hole, so that air leakage is reduced; then one end of a first double-head female connecting pipe 5 is connected with the end of a pagoda-shaped male connector 4 of a pharyngeal conduit sucking and discharging phlegm, and the other end is connected with an air inlet end 6 of a mini valve 7; and then taking a second double-head female connecting pipe 9, wherein one end of the second double-head female connecting pipe 9 is connected with the air outlet end 8 of the mini valve 7, and the other end of the second double-head female connecting pipe is connected with the air inlet of the sputum liquid-gas separator 11. After all the parts of the device are connected, the sputum liquid-gas separator 11 is hung beside a patient bed, and a sputum discharging pipeline is laid horizontally as much as possible;

the mouth and nose mask is connected with a noninvasive ventilator. The patient holds the mouth of the patient with the mouth-opening sputum excretion oropharyngeal tube, the mouth-opening sputum excretion oropharyngeal tube is placed on the surface of the tongue, the funnel part 1 slightly supports the soft palate and the Xuanyong hammer, and the opening of the funnel part 1 is opposite to the glossopharyngeal part;

when the mini valve 7 is opened, sputum and airflow can pass through the funnel part 1 of the funnel-shaped oropharyngeal airway, when the sputum and the airflow pass through the narrow part 2, the sputum and the airflow flow out at a slight speed, flow out from the air guide part 10, the pagoda-shaped male connector 4 and the first double-head female connecting pipe 5, and flow through the second double-head female connecting pipe 9 to flow into the sputum-liquid-gas separator 11 after passing through the mini valve 7; the sputum liquid-gas separator 11 separates liquid and gas, the gas is discharged, and the liquid is left in the sputum liquid-gas separator 11.

During noninvasive ventilation, airflow entering a patient mainly enters all levels of bronchopulmonary and alveolar of the patient through the oropharynx part through the nose of the patient, and during exhalation, all levels of bronchi are expanded and sputum and gas outflow are pushed under the positive pressure action of a breathing machine.

This device is at patient's pharynx, through the mouth contain phlegm discharge oropharynx pipe and sputum liquid and gas separator 11 and the external world between establish the gas leakage passageway, when noninvasive ventilator operates, open mini valve 7 back, sputum and expired gas process this gas leakage passageway, the migration to the separation of sputum liquid and gas separator 11, reach the effect of collecting patient's sputum, and reduce the pollution of aerosol such as bacterium, virus in the environment, be favorable to the prevention and cure of infection in all kinds of respiratory tract infections and the intensive care unit institute. Especially during the period of SARS, new coronavirus and other serious respiratory infectious diseases, the use of the device plays a great positive role in effectively inhibiting the spread of infectious diseases.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (2)

1. A buccal sputum collection device under the condition of noninvasive respiratory support is characterized by comprising a buccal sputum discharge oropharyngeal tube, a mini valve, a first double-head female connecting tube, a second double-head female connecting tube and a sputum liquid-gas separator; the buccal and sputum excretion oropharyngeal tube consists of a funnel-shaped oropharyngeal airway and wing-shaped oral pendants, and the two wing-shaped oral pendants are symmetrically arranged on the outer side of the funnel-shaped oropharyngeal airway; the funnel-shaped oropharyngeal airway is divided into a funnel part, a narrow part, an air guide part and a pagoda-shaped male connector;

one end of the first double-head female connecting pipe is connected with the pagoda-shaped male connector end of the funnel-shaped oropharyngeal airway, and the other end of the first double-head female connecting pipe is connected with the air inlet end of the mini valve; one end of the second double-head female connecting pipe is connected with the air outlet end of the mini valve, and the other end of the second double-head female connecting pipe is connected with the air inlet of the sputum liquid-gas separator.

2. The device of claim 1, wherein the throat is of a turbofan shape and has a diameter smaller than the air guide and the funnel.

Images