Oropharynx ventilation device for guiding fiber bronchoscope

Abstract

The utility model provides an oropharyngeal ventilation device for guiding a fiberoptic bronchoscope, and relates to the technical field of medical instrument auxiliary equipment, the oropharyngeal ventilation device comprises a tooth distraction mechanism for distraction teeth and an oropharyngeal distraction mechanism for distraction of an open pharynx, the tooth distraction mechanism is of an annular structure, and the oropharyngeal distraction mechanism is of a hollow structure. The fixing sleeve is arranged at one end of the oropharynx distraction mechanism, and a ventilation channel extending in the axial direction is arranged in the oropharynx distraction mechanism. According to the utility model, the oral cavity is kept in an open state all the time by utilizing the tooth opening mechanism, and the oropharynx is kept in an open state all the time by utilizing the oropharynx opening mechanism, so that a safe, stable and convenient channel is provided for the fiber bronchoscope to enter the glottis; a convenient channel is provided for the widely used fiber bronchoscope examination and the fiber bronchoscope to guide the trachea cannula, and the defects that in the prior art, a guide device is complex to manufacture, high in manufacturing cost and complex to use are overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device auxiliary equipment, in particular to an oropharyngeal ventilation device for guiding a fiberbronchoscope. Background Art

[0002] Fiberoptic bronchoscope is a widely used airway examination tool in clinical practice. It is used in respiratory medicine, anesthesia, intensive care units and other departments. During the insertion of fiberoptic bronchoscope, the tongue and secretions will affect the operation. Especially for patients with impaired consciousness who cannot cooperate, the fiberoptic bronchoscope has a limited field of view in the oral cavity, which is particularly challenging for doctors who are not skilled in operating fiberoptic bronchoscopes.

[0003] There are fiber bronchoscope guiding devices in the prior art. For example, the patent with publication number "CN109847164A" discloses a guide for guiding a fiber bronchoscope for oral tracheal intubation, the guide comprising a main body, a locking mechanism and a guide tube; the main body is provided with a guide groove; the guide tube is provided with a side groove, the side groove extends from one end opening of the guide tube to the other end opening and penetrates the tube wall of the guide tube, the guide tube is connected to the main body, one end opening of the guide tube is connected to one end opening of the guide groove in the groove length direction and the side groove is connected to one side opening of the guide groove in the groove depth direction; the locking mechanism can fix the light guide rod of the light rod, the insertion optical cable of the fiber bronchoscope and the guide tube or the main body. The patent with publication number "CN110313885A" also discloses a guiding device for guiding a fiber bronchoscope, which includes a lip plate, a ventilation tube, a removable groove, an air bag, a fixing plate and a lubricating sponge block. The device has an oxygen through hole, which can provide oxygen to the patient during the examination to prevent suffocation. Since it has an air bag, it can be inflated and deflated to support the pharyngeal tissue and tongue at the back of the patient's mouth, making it easier for the fiber bronchoscope to enter the patient's glottis.

[0004] The fiber bronchoscope lacks protection after the guide tube and the guide device are withdrawn, and the patient may accidentally bite the fiber bronchoscope. At the same time, the guide device is relatively complex to manufacture, has high manufacturing costs, and is relatively complicated to use. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide an oropharyngeal ventilation device for guiding a fiber bronchoscope, so as to solve the technical problems in the prior art that after the guide tube and the guide device are withdrawn, the fiber bronchoscope lacks protection, and the patient may accidentally bite the fiber bronchoscope, and the guide device is complex to manufacture, has high manufacturing cost and is complex to use.

[0006] In order to achieve the above-mentioned purpose, the utility model provides an oropharyngeal ventilation device for guiding a fiber bronchoscope, comprising a tooth expansion mechanism for expanding the teeth and an oropharyngeal expansion mechanism for expanding the oropharynx, wherein the tooth expansion mechanism is an annular structure and is fixedly mounted on one end of the oropharyngeal expansion mechanism, and a ventilation channel extending axially is provided inside the oropharyngeal expansion mechanism.

[0007] Optionally, the teeth-opening mechanism comprises a tubular portion and a plate-shaped portion, wherein the plate-shaped portion is annular and fixedly disposed at one end of the tubular portion.

[0008] Optionally, fixing holes are provided on opposite sides of the plate-shaped portion.

[0009] Optionally, the fixing hole is circular or strip-shaped.

[0010] Optionally, the oropharyngeal expansion mechanism is an arc-shaped tubular structure, and one end on which the teeth expansion mechanism is mounted is provided with an edge.

[0011] Optionally, a constricted neck portion is provided on the oropharyngeal expansion mechanism at a location close to the teeth expansion mechanism.

[0012] Optionally, the neck portion of the oropharyngeal expansion mechanism and the portion below the neck portion are provided with a through escape groove.

[0013] Optionally, the width of the escape groove is 5mm-7mm.

[0014] Optionally, a notch is provided on the edge, and a fixing hook is provided on the plate-like portion at a position directly opposite to the notch.

[0015] Optionally, the fixing hook is U-shaped.

[0016] The oropharyngeal ventilation device for guiding a fiber bronchoscope provided by the utility model has the following technical effects:

[0017] The oropharyngeal ventilation device is mainly composed of a tooth expansion mechanism and an oropharyngeal expansion mechanism. The tooth expansion mechanism is annular and fixedly mounted on one end of the oropharyngeal expansion mechanism. A ventilation channel extending along the axial direction is provided inside the oropharyngeal expansion mechanism. The utility model utilizes the tooth expansion mechanism to keep the oral cavity in an open state at all times, and utilizes the oropharyngeal expansion mechanism to keep the oropharynx in an open state at all times, thereby providing a safe, stable and convenient channel for a fiber bronchoscope to enter the glottis, providing a convenient channel for fiber bronchoscope examination and fiber bronchoscope-guided tracheal intubation which are widely used in clinical practice, and overcoming the defects of the guiding device in the prior art that is relatively complex to manufacture, has high manufacturing cost and is relatively complex to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the oropharyngeal ventilation device for guiding a fiber bronchoscope of the utility model;

[0020] Figure 2 yes Figure 1 Another perspective schematic diagram of the three-dimensional structure of the oropharyngeal ventilation device for guiding the fiberoptic bronchoscope;

[0021] Figure 3 yes Figure 1 Top view of the oropharyngeal ventilation device used to guide the fiberoptic bronchoscope.

[0022] in, Figure 1-Figure 3 :

[0023] 1. Oropharyngeal expansion mechanism; 11. Ventilation channel; 12. Edge; 121. Notch; 13. Neck contraction; 14. Escape groove;

[0024] 2. Teeth-opening mechanism; 21. Plate-shaped portion; 211. Fixing hole; 212. Fixing hook; 22. Tubular portion. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0026] The following is combined with specific Figure 1-3 The structure of a preferred embodiment of the oropharyngeal ventilation device for guiding a fiber bronchoscope of the utility model is described in detail.

[0027] like Figure 1-3 As shown, it is a structural schematic diagram of a preferred embodiment of the oropharyngeal ventilation device of the utility model. The oropharyngeal ventilation device is mainly used to guide a fiber bronchoscope, and includes a tooth expansion mechanism 2 and an oropharyngeal expansion mechanism 1.

[0028] like Figure 1 and Figure 2As shown, the teeth expansion mechanism 2 of this embodiment is used to keep the oral cavity in an open state at all times. The teeth expansion mechanism 2 is an annular structure, specifically including a tubular portion 22 and a plate portion 21 . The plate portion 21 is annular and fixed to one end of the tubular portion 22 .

[0029] It should be noted that the plate-like portion 21 and the tubular portion 22 of this embodiment are preferably integrally formed, and the longitudinal cross-section is preferably a T-shaped structure. The tubular portion 22 is used to achieve a sleeve connection with the teeth opening mechanism 2, and the plate-like portion 21 is used to keep the mouth always in an open state.

[0030] In addition, fixing holes 211 are provided on opposite sides of the plate-like portion 21 . The fixing holes 211 are through holes in a circular or strip shape. In the present embodiment, strip-shaped holes are preferred. The fixing holes 211 can be fixed to the neck using a belt-like fabric.

[0031] like Figure 1-3 As shown, the oropharyngeal expansion mechanism 1 of this embodiment is used to keep the oropharynx always in an open state. The tubular portion 22 and the plate portion 21 constituting the tooth expansion mechanism 2 of this embodiment are fixedly mounted on one end of the oropharyngeal expansion mechanism 1.

[0032] Specifically, the oropharyngeal expansion mechanism 1 is provided with an axially extending ventilation channel 11 in the shape of an arc-shaped tubular structure. The shape of the mouth of the tube is preferably a square with chamfers. The curvature of the oropharyngeal expansion mechanism 1 adopts the curvature of the oropharyngeal airway used clinically. The end on which the tooth expansion mechanism 2 is mounted is provided with an edge 12, which is preferably annular and integrally formed with the oropharyngeal expansion mechanism 1.

[0033] like Figure 1 As shown, a notch 121 is provided on the edge 12 of the present embodiment, and a fixing hook 212 is provided on the plate-like portion 21 at a position directly opposite to the notch 121. The fixing hook 212 is preferably U-shaped. The fixing hook 212 can fix the fiber bronchoscope, that is, the fiber bronchoscope can be fixed by the fixing hook 212 after passing through the notch 121 on the edge 12.

[0034] like Figure 1 As shown, a constricted neck portion 13 is provided on the oropharyngeal expansion mechanism 1 at a position close to the tooth expansion mechanism 2, and a through escape groove 14 is provided on the constricted neck portion 13 of the oropharyngeal expansion mechanism 1 and below the constricted neck portion 13. The escape groove 14 is located on one of the side surfaces of the oropharyngeal expansion mechanism 1, and the groove width of the escape groove 14 is 5mm-7mm, preferably 6mm. After the fiber bronchoscope is inserted into the trachea, the oropharyngeal ventilation device can be withdrawn through the escape groove 14, and the fiber bronchoscope is detached from the side escape groove 14, which facilitates subsequent operations (facilitating endotracheal intubation guided by the fiber bronchoscope).

[0035] In addition, the oral cavity expansion mechanism and oropharyngeal expansion mechanism of this embodiment utilize relevant parameters of existing medical instruments such as gastroscope mouthpiece and oropharyngeal airway, which have been verified in clinical applications and can be more easily applied in clinical practice after modification and combination.

[0036] In the description of the present utility model, it should be noted that, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does 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 for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An oropharyngeal ventilation device for guiding a fiberoptic bronchoscope, characterized in that: It comprises a tooth expansion mechanism for expanding teeth and an oropharyngeal expansion mechanism for expanding the oropharynx. The tooth expansion mechanism is an annular structure and is fixedly sleeved on one end of the oropharyngeal expansion mechanism. A ventilation channel extending along the axial direction is provided inside the oropharyngeal expansion mechanism.

2. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 1, characterized in that: The teeth expansion mechanism comprises a tubular portion and a plate-shaped portion, wherein the plate-shaped portion is annular and fixedly arranged at one end of the tubular portion.

3. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 2, characterized in that: Fixing holes are provided on opposite sides of the plate-shaped portion.

4. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 3, characterized in that: The fixing hole is circular or strip-shaped.

5. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to any one of claims 2 to 4, characterized in that: The oropharyngeal expansion mechanism is an arc-shaped tubular structure, and one end on which the teeth expansion mechanism is sleeved is provided with an edge.

6. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 5, characterized in that: A constricted neck is provided on the oropharyngeal expansion mechanism at a location close to the teeth expansion mechanism.

7. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 6, characterized in that: The neck portion of the oropharyngeal expansion mechanism and the lower portion of the neck portion are both provided with a through escape groove.

8. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 7, characterized in that: The width of the notch of the escape groove is 5mm-7mm.

9. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 5, characterized in that: A notch is provided on the edge, and a fixing hook is provided on the plate-shaped portion at a position directly opposite to the notch.

10. The oropharyngeal ventilation device for guiding a fiber bronchoscope according to claim 9, characterized in that: The fixing hook is U-shaped.

Images