Trachea cannula anti-pollution device

Abstract

The utility model relates to the technical field of medical auxiliary instruments, in particular to an anti-pollution device for a trachea cannula, which comprises a protective cylinder, and the protective cylinder is used for protecting and wrapping the head end of the trachea cannula, so that the protective cylinder prevents the trachea cannula from being in contact with the inside of the mouth of a patient when the trachea cannula enters the airway of the patient through the glottis. When the trachea cannula is located outside the glottis, the head end of the trachea cannula is converged in the protection barrel, when the head end of the protection barrel is located near the glottis of a patient, the head end of the trachea cannula penetrates out and enters the airway from the glottis, the protection barrel wraps and protects the trachea cannula from the position between the glottis and the teeth of the patient, and the trachea cannula is not polluted by saliva when entering the airway. The grooves are formed in the two sides of the bite block and used for occlusion of a patient, meanwhile, the grooves in the upper side and the lower side conform to the staggered physiological structure of upper teeth and lower teeth in the mouth of the human body, the grooves in the upper side deviate outwards compared with the grooves in the lower side and conform to the physiological characteristics of the human body, and the matching degree between the grooves and the patient during occlusion is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical auxiliary instrument technical field, concretely relates to a tracheal cannula anti -pollution device. BACKGROUND

[0002] Mechanical ventilation is a modern medical technology that repeatedly saves lives, and through tracheal intubation or tracheostomy cannula, the breathing machine is connected with the patient. In order to ensure the normal implementation of mechanical ventilation, on the one hand, the sputum suction technique is used to ensure the smoothness of the official cavity, and on the other hand, the air bag outside the tracheal cannula or tracheostomy cannula is inflated, so as to eliminate the gap between the outer wall of the cannula and the tracheal mucosa, and ensure that the gas does not leak out.

[0003] In the conventional tracheal cannula, the doctor needs to use the laryngoscope blade to push the tongue and lift the lower jaw, expose the glottis, and put in the tracheal cannula. In this process, the head end of the tracheal cannula will inevitably touch the inner wall of the patient's oral cavity, the surface of the gums, the tongue surface, etc., so that the saliva is contaminated to the head end of the tracheal cannula. After the tracheal cannula penetrates into the glottis, the saliva contaminated by the head end of the tracheal cannula will bring the bacteria in the patient's mouth into the patient's airway, causing infection of the patient's airway.

[0004] Therefore, there is an urgent need for a tracheal cannula anti-pollution device that effectively wraps the tracheal cannula, prevents bacteria in the mouth from entering the airway, avoids infection, is convenient for medical personnel to use. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a tracheal cannula anti-pollution device that effectively wraps the tracheal cannula, prevents bacteria in the mouth from entering the airway, avoids infection, provides a dental pad for the patient to bite, improves the comfort of the patient, is convenient for medical personnel to use, and has excellent practicality, safety, and effectiveness.

[0006] In order to achieve the above technical purpose and achieve the above technical effect, the utility model is realized by the following technical scheme:

[0007] A tracheal cannula anti-pollution device, comprising a protection cylinder, the protection cylinder is slidingly connected to the outer wall of the existing tracheal cannula, characterized in that the protection cylinder is provided with a valve at one end near the head of the tracheal cannula, the other end of the protection cylinder is provided with a dental pad, the dental pad is detachably connected with the protection cylinder, and an extension cylinder is arranged at the middle position of the protection cylinder.

[0008] As a preferred, the dental pad is provided with a connecting ring, the protection cylinder is provided with a connecting groove for clamping the connecting ring, the connecting ring is provided with an elastic member, the elastic member is composed of two groups of elastic sheets, the elastic sheets are arc-shaped and the bulging direction is outward.

[0009] As a preferred, a plurality of grooves for the patient to bite are arranged on the upper and lower sides of the outer wall of the dental pad, the grooves on the upper side are staggered with the grooves on the lower side.

[0010] As preferred, each of the upper and lower sides of the groove is provided with three groups, and the center points of each group of the upper side of the groove are aligned with the left end surface of the corresponding group of the lower side of the groove.

[0011] As preferred, the upper side of the groove is communicated with the corresponding groove of the lower side, and silica gel pads are arranged in the groove.

[0012] As preferred, the head end of the valve is provided with an opening in linear shape, flexible magnetic pieces are arranged on the inner walls of both sides of the opening, the opening is opened in a circular shape, and the diameter of the opening is consistent with the diameter of the tracheal cannula.

[0013] As preferred, the telescopic cylinder is in a bellows structure, and the inner diameter of the telescopic cylinder is larger than the diameter of the tracheal cannula.

[0014] As preferred, the utility model provides a device for protecting the tracheal cannula from pollution through airtight channel, the airtight channel can be made of hard material or soft material, and the airtight channel can protect the tracheal cannula from pollution by bacteria in the oral cavity, and can prevent the bacteria from entering the airway of the patient through the tracheal cannula.

[0015] As preferred, the protection cylinder can be applied to the protection against pollution of the peroral or pernasal medical instrument such as a bronchoscope and a fiber bronchoscope, and the protection cylinder can be adjusted in size according to the application scene, so that the protection cylinder is suitable for the physiological characteristics of the mouth or the nasal cavity of different patients, and the mirror body is protected, so that the infection is avoided.

[0016] The utility model has the advantages of:

[0017] The tracheal cannula protection device can effectively wrap the tracheal cannula, prevent the bacteria in the mouth from entering the airway, avoid infection, provide a dental pad for the patient to bite, improve the comfort of the patient, and is convenient for medical staff to use, and has excellent practicality, safety and effectiveness.

[0018] The protection cylinder is arranged on the tracheal cannula head end, so that the protection cylinder avoids the contact between the tracheal cannula and the mouth of the patient during the process that the tracheal cannula enters the airway of the patient through the glottis, the tracheal cannula head end is converged in the protection cylinder when the tracheal cannula is located outside the glottis, the tracheal cannula head end penetrates out of the protection cylinder and enters the airway through the glottis when the head end of the protection cylinder is located near the glottis of the patient, and the protection cylinder protects the tracheal cannula between the glottis and the teeth of the patient, so that the tracheal cannula is not polluted by saliva when entering the airway.

[0019] The middle section of the protection cylinder is provided with the telescopic cylinder, so that the protection cylinder is suitable for different patients, the distance between the dental pad and the valve is adjusted through the bellows structure of the telescopic cylinder, the protection cylinder can form a protection channel from the teeth of the patient to the glottis, and the protection effect on the tracheal cannula is ensured.

[0020] The upper and lower grooves of the dental pad are offset outward compared with the lower groove, which conforms to the physiological characteristics of human body, improves the fitting degree of the grooves when the patient bites, and the silicone pad arranged in the grooves improves the comfort of the patient when biting; the dental pad and the protection cylinder are detachably connected, the elastic member arranged on the connecting ring is clamped in the connecting groove of the protection cylinder, the elastic member is automatically lifted after the connecting ring is inserted into the connecting groove, the connection is fastened, and the dental pad with different specifications can be replaced according to the tooth characteristics of the patient, so that the dental pad is suitable for different patients.

[0021] Of course, it is not necessary for any product implementing the present utility model to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0023] Figure 1 The overall structure schematic diagram of the tracheal cannula anti-pollution device is shown in the embodiment of the present utility model;

[0024] Figure 2 The dental pad structure schematic diagram of the tracheal cannula anti-pollution device is shown in the embodiment of the present utility model;

[0025] Figure 3 The dental pad side view structure schematic diagram of the tracheal cannula anti-pollution device is shown in the embodiment of the present utility model;

[0026] Figure 4 The valve structure schematic diagram of the tracheal cannula anti-pollution device is shown in the embodiment of the present utility model;

[0027] Figure 5 The valve working structure schematic diagram of the tracheal cannula anti-pollution device is shown in the embodiment of the present utility model;

[0028] In the drawings, the component list represented by each sign is as follows:

[0029] 1, protection cylinder, 101, dental pad, 102, telescopic cylinder, 103, valve, 104, connecting groove, 1011, groove, 1012, connecting ring, 1013, elastic member. DETAILED DESCRIPTION

[0030] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0031] Embodiment 1

[0032] As Figures 1-5 shown

[0033] The tracheal tube pollution prevention device provided by the embodiment comprises a protection cylinder 1 which is slidably connected to the outer wall of an existing tracheal tube, characterized in that the protection cylinder 1 is provided with a valve 103 at one end close to the tracheal tube head, the other end of the protection cylinder 1 is provided with a dental pad 101, the dental pad 101 is detachably connected to the protection cylinder 1, and the middle position of the protection cylinder 1 is provided with an extension cylinder 102.

[0034] In the embodiment, the dental pad 101 is provided with a connecting ring 1012, the protection cylinder 1 is provided with a connecting groove 104 for clamping the connecting ring 1012, the connecting ring 1012 is provided with an elastic element 1013, the elastic element 1013 is composed of two groups of elastic sheets, and the elastic sheets are arc-shaped and protrude outward.

[0035] It should be understood that the dental pad 101 is detachably connected to the protection cylinder 1, the elastic element 1013 provided on the connecting ring 1012 is clamped in the connecting groove 104 of the protection cylinder 1, the elastic element 1013 is automatically lifted after the connecting ring 1012 is inserted into the connecting groove 104, the connection is fastened, the dental pad 101 of different specifications can be replaced according to the tooth characteristics of the patient, and the dental pad 101 is adapted to different patients.

[0036] In the embodiment, a plurality of groups of recesses 1011 for the patient to bite are arranged on the upper and lower sides of the outer wall of the dental pad 101, and the recesses 1011 on the upper side are staggered with the recesses 1011 on the lower side.

[0037] In the embodiment, each of the recesses 1011 on the upper and lower sides is provided with three groups, and the center points of each group of the recesses 1011 on the upper side are aligned with the left end faces of the corresponding group of the recesses 1011 on the lower side.

[0038] It should be understood that the recesses 1011 are arranged on both sides of the dental pad 101 for the patient to bite, the recesses 1011 on the upper and lower sides are consistent with the physiological structure that the upper and lower teeth in the human mouth are staggered, the recesses 1011 on the upper side are offset outward compared with the recesses 1011 on the lower side, which is consistent with the physiological characteristics of the human body, the fitting degree of the recesses 1011 when the patient bites is improved, three groups of recesses 1011 are arranged on each side, the patient can adjust the biting position, and it is ensured that the patient can bite comfortably.

[0039] In the embodiment, the upper groove 1011 is communicated with the lower groove 1011, and silica gel pads are arranged in the groove 1011.

[0040] It should be understood that silica gel pads are arranged in the groove 1011 to improve the comfort of the patient when biting.

[0041] In the embodiment, the head end of the valve 103 is provided with an opening in a linear shape, flexible magnetic sheets are arranged on the inner walls on both sides of the opening, the opening is opened in a circular shape, and the diameter of the opening is consistent with the diameter of the tracheal tube.

[0042] It should be understood that when the tracheal tube is located outside the glottis, the head end of the tracheal tube is converged in the protection cylinder 1, and the opening of the valve 103 is automatically closed. When the head end of the protection cylinder 1 is located near the glottis of the patient, the head end of the tracheal tube penetrates out of the valve 103 and enters the airway from the glottis, and the protection cylinder 1 wraps and protects the tracheal tube between the glottis and the teeth of the patient, so that the tracheal tube is not contaminated by saliva when entering the airway.

[0043] In the embodiment, the telescopic cylinder 102 is a bellows structure, and the inner diameter of the telescopic cylinder 102 is greater than the diameter of the tracheal tube.

[0044] It should be understood that the distance between the dental pad 101 and the valve 103 is adjusted through the bellows structure of the telescopic cylinder 102, so that the protection cylinder 1 can form a protection channel from the teeth of the patient to the glottis, and the protection effect of the tracheal tube is guaranteed.

[0045] Embodiment 2

[0046] As shown in Figures 1-5

[0047] The tracheal tube pollution prevention device according to the embodiment comprises a protection cylinder 1 which is slidably connected to the outer wall of an existing tracheal tube, wherein the protection cylinder 1 is provided with a valve 103 near one end of the head side of the tracheal tube, the other end of the protection cylinder 1 is provided with a dental pad 101, the dental pad 101 is detachably connected to the protection cylinder 1, and a telescopic cylinder 102 is arranged at the middle position of the protection cylinder 1.

[0048] In the embodiment, the telescopic cylinder 102 is slidably connected to the protection cylinder 1, the inner wall of the protection cylinder 1 is provided with a working groove for sliding of the telescopic cylinder 102, the telescopic cylinder 102 is slidably connected to the working groove through a connecting card, the connecting card is matched with the working groove, and the telescopic cylinder 102 is provided with a limiting card for preventing disengagement.

[0049] ​It should be understood that the adjustment of the distance between the dental pad 101 and the valve 103 by sliding the telescopic cylinder 102 in the protective cylinder 1 enables the protective cylinder 1 to form a protective channel well from the teeth of the patient to the vicinity of the glottis, ensuring the protection effect of the tracheal intubation.

[0050] In summary, the tracheal intubation anti-pollution device effectively wraps the tracheal intubation tube, avoids the entry of oral bacteria into the airway, avoids infection, is provided with a dental pad for the patient to bite, improves the comfort of the patient, is convenient for medical staff to use, has excellent practicality, safety and effectiveness.

[0051] The preferred embodiments of the utility model disclosed above are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Apparently, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A contamination prevention device for endotracheal tubes, comprising a protective cylinder (1), wherein the protective cylinder (1) is slidably connected to the outer wall of an existing endotracheal tube, characterized in that, The protective tube (1) has a valve (103) at one end near the endotracheal tube tip, and a bite pad (101) at the other end. The bite pad (101) is detachably connected to the protective tube (1), and a telescopic tube (102) is provided in the middle section of the protective tube (1).

2. The endotracheal intubation anti-contamination device as described in claim 1, characterized in that: The dental pad (101) is provided with a connecting ring (1012), and the protective cylinder (1) is provided with a connecting groove (104) for the connecting ring (1012) to engage. The connecting ring (1012) is provided with an elastic element (1013), which is composed of two sets of elastic sheets. The elastic sheets are arc-shaped and bulge outward.

3. The endotracheal intubation anti-contamination device as described in claim 2, characterized in that: The dental pad (101) has multiple sets of grooves (1011) on the upper and lower sides of its outer wall for patients to bite on, and the upper groove (1011) and the lower groove (1011) are staggered in position.

4. The endotracheal intubation anti-contamination device as described in claim 3, characterized in that: The upper and lower sides each have three sets of grooves (1011), and the center point of each set of grooves (1011) on the upper side is aligned with the left end face of the corresponding set of grooves (1011) on the lower side.

5. The endotracheal intubation anti-contamination device as described in claim 4, characterized in that: The upper groove (1011) is connected to the corresponding lower groove (1011), and a silicone pad is provided in the groove (1011).

6. The endotracheal intubation anti-contamination device as described in claim 1, characterized in that: The valve (103) has a linear opening at its tip, and flexible magnetic sheets are provided on the inner walls of both sides of the opening. The opening is circular and its diameter is the same as that of the endotracheal tube.

7. The endotracheal intubation anti-contamination device as described in claim 1, characterized in that: The telescopic cylinder (102) has a corrugated structure, and the inner diameter of the telescopic cylinder (102) is larger than the diameter of the endotracheal tube.

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