Novel endoscopic laryngeal mask

Abstract

A novel endoscopic laryngeal mask is composed of an occlusion part and a laryngeal mask part, the occlusion part comprises a supporting shell, a ventilation pipeline and an endoscopic channel are arranged on the supporting shell, a ventilation connector is arranged at the input end of the ventilation pipeline, a connecting cannula is arranged at the output end of the ventilation pipeline, and a gelatinous layer is arranged outside the supporting shell; the laryngeal mask part comprises a vent hood and a connecting section, the connecting section is provided with an internal airway, an endoscope sliding groove is formed in the outer portion of the laryngeal mask part and composed of a front-section sliding groove and a rear-end sliding groove, the front-section sliding groove is formed in the outer portion of the vent hood, the rear-end sliding groove is formed in one side of the connecting section, and the tail end of the rear-end sliding groove is in butt joint with the endoscope channel. And the notch directions of the front-section sliding chute and the rear-end sliding chute are different. The supporting shell is arranged on the outer side of the gas path and used for protecting the gas path, and meanwhile, the gelatinous layer is additionally arranged on the outer side of the supporting shell, so that the patient is prevented from biting the supporting shell to cause discomfort to teeth; and an independent semi-open endoscope channel is designed, so that the influence of endoscope operation on the ventilation channel is avoided, and the endoscope operation is also facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a novel endoscopic laryngeal mask. Background Art

[0002] The laryngeal mask is a special artificial airway management technology. It was successfully developed and used clinically in the mid-1980s and introduced in China in the 1990s. Great progress has been made in the use of laryngeal masks, and its application range is becoming wider and wider. The ventilation mask at the front end of the laryngeal mask is oval in shape, which can surround the epiglottis and glottis, forming a sealed ventilation space on the glottis. The patient can breathe spontaneously through the laryngeal mask, or control ventilation can be performed. After the laryngeal mask is inserted, auscultation, airway resistance, PETCO2 waveform, placement of a gastric tube and other methods can be used to determine whether its position is correct.

[0003] There is a Chinese patent with authorization announcement number CN215309351U, which discloses an S-type bronchial endoscopic laryngeal mask, including a ventilation hood, a ventilation catheter is installed on one side of the ventilation catheter, an inflation catheter is installed on one side of the ventilation catheter, a ventilation tube port is installed at one end of the ventilation catheter, and an inflation tube port is installed at one end of the inflation catheter. An inner cavity is provided inside the ventilation hood, a vent is installed on one side of the inner wall of the inner cavity, and a vertical fence is provided inside the vent. The S-type bronchial endoscopic laryngeal mask can effectively solve the inconvenience caused by the C-type turning angle to the operation by arranging the ventilation hood, the ventilation catheter, the inflation catheter, the ventilation tube port, the inflation tube port, the inner cavity, the vent, the vertical fence, the ventilation connecting tube, the inflation connecting tube, the upper catheter, the middle catheter, the lower catheter, the ventilation valve, the port, the inflation port, and the inflation valve, so that the inconvenience caused by the C-type turning angle to the operation can be effectively solved, so that the S-type bronchial endoscopic laryngeal mask can be safely operated to ensure that the patient's operation can be carried out safely.

[0004] Although the technical solution in the above patent document solves the operational problem of the C-shaped turn, in actual use, the ventilation tube may be bitten due to the stress response, affecting the patency of the airway and interfering with the endoscopic operation. At the same time, the insertion of the endoscope through the ventilation tube may easily threaten the patient's respiratory patency.

[0005] Therefore, in view of the deficiencies in the prior art, the utility model discloses a novel endoscopic laryngeal mask to solve the above problems.

[0006] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solution of the utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above contents are well known to those skilled in the art simply because they are explained in the background technology of the utility model. Utility Model Content

[0007] In order to overcome the deficiencies in the above-mentioned prior art, the utility model aims to disclose a novel endoscopic laryngeal mask, which avoids the influence of occlusion on the airway by designing an external support structure, and at the same time adds a gelatin layer on the outside of the occlusal part to avoid discomfort to the teeth when the patient bites the support structure. An independent semi-open endoscopic inspection channel is designed to reduce the stimulation and damage to the throat by endoscopic operation while also avoiding interference with the ventilation duct by the endoscope.

[0008] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a new type of endoscopic laryngeal mask, consisting of a bite part and a laryngeal mask part, wherein:

[0009] The occlusal part comprises a supporting shell, on which a ventilation duct and an endoscope channel are arranged, a ventilation joint is arranged at the input end of the ventilation duct, a connecting cannula is arranged at the output end of the ventilation duct, and a gelatin layer is arranged outside the supporting shell.

[0010] The laryngeal mask part includes a ventilation mask and a connecting section, the connecting section is provided with an internal airway, the front end of the internal airway is connected to the inner cavity of the ventilation mask, and the rear end of the internal airway is connected to the connecting cannula. An endoscope slide groove is provided on the outside of the laryngeal mask part, and the endoscope slide groove is composed of a front slide groove and a rear end slide groove. The front slide groove is arranged on the outside of the ventilation mask, and the rear end slide groove is arranged on one side of the connecting section. The end of the rear end slide groove is connected to the endoscope channel. The groove opening directions of the front slide groove and the rear end slide groove are different. Different groove opening directions limit the lateral movement of the endoscope, thereby ensuring the flexibility of endoscope operation while preventing the endoscope from escaping from the endoscope slide groove.

[0011] The preferred technical solution is: the outer periphery of the ventilation hood is designed to be thickened.

[0012] The preferred technical solution is: an ultra-slippery hydrophilic coating is provided on the outer surface of the laryngeal mask to reduce friction, facilitate insertion of the laryngeal mask, and reduce intubation reaction.

[0013] The preferred technical solution is that both the front slide groove and the rear slide groove are round-bottomed grooves, which facilitate the rotation of the endoscope.

[0014] The preferred technical solution is: both sides of the front section slide groove are thickened and act as reinforcing ribs on the outside of the ventilation hood to reinforce the ventilation hood, improve its overall strength and avoid deformation.

[0015] The preferred technical solution is that the occlusal portion and the laryngeal mask portion form a C-shape to solve the operational problem of the C-shaped corner.

[0016] The preferred technical solution is that the laryngeal mask is made of soft rubber material to reduce irritation to the throat.

[0017] Due to the application of the above technical solution, the utility model has the following advantages:

[0018] (1) A support shell is set on the outside of the gas path to protect the gas path, and a colloid layer is added on the outside of the support shell to prevent the patient from biting the support shell and causing discomfort to the teeth;

[0019] (2) Design a separate semi-open endoscopic channel to prevent endoscopic operation from affecting the ventilation channel. The semi-open channel protects the throat while facilitating endoscopic operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an exploded view of a novel endoscopic laryngeal mask of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the bite portion in the utility model;

[0022] Figure 3 It is a schematic structural diagram of the laryngeal mask part in the utility model.

[0023] In the above drawings, 1, occlusal part; 1a, supporting shell; 11, ventilation duct; 11a, ventilation joint; 11b, connecting cannula; 12, endoscope channel; 13, gelatinous layer; 2, laryngeal mask part; 21, ventilation hood; 21a, reinforcing ribs; 22, connecting section; 22a, internal airway; 23, endoscope slide; 23a, front slide; 23b, rear slide. DETAILED DESCRIPTION

[0024] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0025] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0026] like Figure 1As shown, the utility model discloses a novel endoscopic laryngeal mask, comprising a bite portion 1 and a laryngeal mask portion 2, wherein the bite portion 1 and the laryngeal mask portion 2 form a C-shaped shape. The main components of the utility model are described in detail below:

[0027] like Figure 1 and Figure 2 As shown, the occlusal portion 1 includes a supporting shell 1a, on which a ventilation duct 11 and an endoscope channel 12 are provided. A ventilation connector 11a is provided at the input end of the ventilation duct 11, a connecting cannula 11b is provided at the output end of the ventilation duct 11, and a gelatin layer 13 is provided on the outside of the supporting shell 1a.

[0028] like Figure 1 , Figure 2 and Figure 3 As shown, the laryngeal mask part 2 is made of soft rubber material, including a ventilation cover 21 and a connecting section 22. The outer periphery of the ventilation cover 21 is thickened, and the connecting section 22 is provided with an internal airway 22a. The front end of the internal airway 22a is connected to the inner cavity of the ventilation cover 21, and the rear end of the internal airway 22a is connected to the connecting cannula 11b. An endoscope slide groove 23 is provided on the outside of the laryngeal mask part 2, and the endoscope slide groove 23 is composed of a front slide groove 23a and a rear end slide groove 23b, and the front slide groove 23a and the rear end slide groove 23b are both round bottom grooves. The front slide groove 23a is arranged on the outside of the ventilation cover 21, and the two sides of the front slide groove 23a are thickened and act as reinforcing ribs 21a on the outside of the ventilation cover 21. The rear end slide groove 23b is arranged on one side of the connecting section 22, and the end of the rear end slide groove 23b is connected to the endoscope channel 12. The groove directions of the front slide groove 23a and the rear end slide groove 23b are different, and the outer surface of the laryngeal mask part 2 is provided with an ultra-slippery hydrophilic coating.

[0029] refer to Figure 1 , Figure 2 and Figure 3 As shown, when in use, the ventilation hood 21 is slowly extended downward to the throat until it cannot be pushed forward. The ventilation hood 21 adopts a reinforced structure and is not easily deformed during use. At the same time, the outer surface of the ventilation hood 21 is designed with a super-slippery hydrophilic coating to reduce its surface friction and reduce intubation reaction. At this time, the support shell 1a of the occlusal part 1 is located at the patient's teeth. The support shell 1a contacts the patient's teeth through the outer gelatin layer 13, which prevents the endoscope from being disturbed by the occlusion and also increases the comfort of the patient's teeth in the occlusal state. The endoscope is sequentially inserted through the endoscope channel 12, the rear end slide groove 32 b and the front end groove 32a enter the throat, where the endoscope channel 12, the rear end groove 32b and the front end groove 32a constitute a semi-open endoscope inspection channel which is independent of the ventilation duct 11, to ensure that the adjustment of the endoscope during the endoscope inspection will not interfere with the ventilation duct 11. The groove directions of the rear end groove 32b and the front end groove 32a are different. This design facilitates the adjustment of the endoscope and prevents the endoscope from detaching from the groove and causing damage to the throat. After the ventilation hood 21 is inserted, the occlusal part 1 and the laryngeal mask part 2 form a C-shape, which is convenient for the inspection operation of the C-shaped corner of the throat.

[0030] In summary, the utility model has the following advantages compared with the prior art: a supporting shell is used to protect the airway and the endoscope to prevent the patient's bite from affecting the patency of the airway and the operation of the endoscope; a colloid layer is added to the outside of the supporting shell to increase the comfort of the patient's teeth when biting; at the same time, an ultra-smooth hydrophilic coating is used on the outer wall of the laryngeal mask to reduce the difficulty of insertion; a separate semi-open endoscope channel is designed to prevent the operation of the endoscope from affecting the ventilation channel; the semi-open channel protects the throat while also facilitating the operation of the endoscope.

[0031] The above embodiment provided by the utility model is only an example of the principle and effect of the utility model, and is not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiment without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A novel endoscopic laryngeal mask, characterized by: It consists of a bite part (1) and a laryngeal mask part (2), wherein: The occlusal portion (1) comprises a supporting shell (1a), a ventilation duct (11) and an endoscope channel (12) are provided on the supporting shell (1a), a ventilation joint (11a) is provided at the input end of the ventilation duct (11), a connecting cannula (11b) is provided at the output end of the ventilation duct (11), and a gelatin layer (13) is provided on the outside of the supporting shell (1a); The laryngeal mask portion (2) comprises a ventilation hood (21) and a connecting section (22); the connecting section (22) is provided with an internal airway (22a); the front end of the internal airway (22a) is communicated with the inner cavity of the ventilation hood (21); the rear end of the internal airway (22a) is connected to the connecting cannula (11b); an endoscope slide groove (23) is provided outside the laryngeal mask portion (2); the endoscope slide groove (23) is composed of a front slide groove (23a) and a rear slide groove (23b); the front slide groove (23a) is arranged outside the ventilation hood (21); the rear slide groove (23b) is arranged on one side of the connecting section (22); the end of the rear slide groove (23b) is butted against the endoscope channel (12); the notch directions of the front slide groove (23a) and the rear slide groove (23b) are different.

2. A novel endoscopic laryngeal mask according to claim 1, characterized in that: The outer periphery of the ventilation cover (21) is designed to be thickened.

3. A novel endoscopic laryngeal mask according to claim 1, characterized in that: The outer surface of the laryngeal mask portion (2) is provided with an ultra-smooth hydrophilic coating.

4. A novel endoscopic laryngeal mask according to claim 1, characterized in that: The front slide groove (23a) and the rear slide groove (23b) are both round-bottomed grooves.

5. The novel endoscopic laryngeal mask according to claim 1, characterized in that: The front section slide groove (23a) is thickened on both sides and acts as a reinforcing rib (21a) on the outside of the ventilation cover (21).

6. The novel endoscopic laryngeal mask according to claim 1, characterized in that: The occlusal portion (1) and the laryngeal mask portion (2) form a C-shape.

7. The novel endoscopic laryngeal mask according to claim 1, characterized in that: The laryngeal mask part (2) is made of soft rubber.

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