Oropharynx breather pipe

Abstract

The utility model relates to the field of medical instruments, in particular to an oropharynx breather pipe which comprises a flange, a bite block part and a pharynx bending part which are connected in sequence, a vent hole communicated with the bite block part is formed in the flange, the bite block part is made of soft materials, a bite block inner core extending into the bite block part is inserted into the vent hole, and the bite block inner core is made of soft materials. The bite block inner core can be taken out from the vent hole and is made of a hard material. According to the dental pad, the problem that the dental pad part is hard and cannot be suitable for old edentulous patients is solved.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to an oropharyngeal ventilation tube. Background Art

[0002] The oropharyngeal airway is a pharyngeal airway inserted through the mouth. It is a non-endotracheal tube ventilation tube and the simplest, most effective and economical airway opening aid. It is mainly used for emergency placement in comatose patients with cardiopulmonary arrest or anesthetized patients to temporarily relieve tongue root retraction and avoid airway obstruction.

[0003] The oropharyngeal trachea is a hard flat tube-type uncuffed artificial airway made of elastic rubber or plastic. It is curved, and its curvature is similar to that of the tongue and soft palate. The oropharyngeal trachea commonly used in clinical practice is an elliptical hollow plastic tube, which mainly includes a wing edge, a tooth pad part and a pharyngeal curved part.

[0004] The bite pad is the occlusal part that contacts the teeth. The width should be wide enough to contact two or three teeth so that the occlusal pressure can be evenly distributed to the teeth in contact. The bite pad has a solid structure to prevent the patient from biting the lumen of the ventilation tube and deforming it and closing it.

[0005] However, for elderly edentulous patients, since the bite pad part is relatively hard, the gums of the elderly patients will be affected by the bite pad part, which is easy to hurt the gums, causing discomfort to the elderly edentulous patients. The bite pad part is designed to be relatively soft. Although it is suitable for elderly edentulous patients, when used by young people, the patient bites the lumen of the ventilation tube and deforms it, thus blocking it, which affects the normal use of the oropharyngeal ventilation tube. Utility Model Content

[0006] The utility model aims to provide an oropharyngeal ventilator to solve the problem that the tooth pad part is too hard to be used by elderly edentulous patients.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an oropharyngeal ventilation tube, comprising a flange, a tooth pad part and a pharyngeal curved part connected in sequence, the flange is provided with a ventilation hole connected to the tooth pad part, the tooth pad part is made of a soft material, a tooth pad core extending into the tooth pad part is inserted into the ventilation hole, the tooth pad core can be taken out from the ventilation hole, and the tooth pad core is made of a hard material.

[0008] The principle and advantage of this solution are: when a patient with teeth uses it, the inner core of the tooth pad is inserted into the tooth pad part through the vent hole. Since the inner core of the tooth pad is supported by a hard material, it can support the soft tooth pad part, which can prevent the tube of the tooth pad part from being deformed and closed when the jaws are clenched, thereby ensuring the normal use of the oropharyngeal ventilation tube.

[0009] When used by elderly edentulous patients, the inner core of the tooth pad is removed from the vent hole. In this way, the tooth pad part is not supported by the inner core of the tooth pad, and the hardness of the tooth pad part is reduced. At the same time, the tooth pad part itself is made of soft material, so the gums of the elderly edentulous patients bite on the tooth pad part, which can avoid hurting the gums and improve comfort. At the same time, since the elderly edentulous patients have no teeth, the force acting on the tooth pad part is relatively weak compared to the teeth directly biting on the tooth pad part, so the tooth pad part will not be closed.

[0010] In summary, through this solution, the oropharyngeal ventilation tube can be suitable for both dentate patients and elderly edentulous patients, thus solving the problem that the dental pad part is too hard to be suitable for elderly edentulous patients.

[0011] Preferably, as an improvement, a first clamping portion is provided on the inner core of the bite pad, and a second clamping portion is provided on the flange or the bite pad portion, and the first clamping portion and the second clamping portion are clamped.

[0012] Thus, the first clamping part and the second clamping part are clamped together, so that the inner core of the tooth pad is located inside the tooth pad part more stably, thereby preventing the inner core of the tooth pad from being bitten and slipping out of the ventilation hole when the patient's teeth are tightly closed when using it.

[0013] Preferably, as an improvement, one of the first clamping portion and the second clamping portion is a bar or a block, and the other is a groove or a hole.

[0014] Thus, the first clamping part and the second clamping part are clamped by the bar or block being clamped in the groove or hole. This clamping method has a simple structure and is convenient for processing and manufacturing.

[0015] Preferably, as an improvement, the end of the inner core of the tooth pad protrudes from the front side of the flange.

[0016] Thus, the end of the inner core of the bite pad protrudes from the front of the flange, so that the inner core of the bite pad is easy to pull out from the vent. In addition, the end of the inner core of the bite pad protrudes from the front of the flange, and the protruding part can also be used to connect the connecting pipe of the ventilation device for artificial ventilation and ventilator or balloon ventilation in emergency.

[0017] Preferably, as an improvement, one end of the inner core of the bite pad is fixedly connected to a holding block, and the front end of the holding block is provided with an interface groove communicating with the inner core of the bite pad.

[0018] Since the inner core of the dental pad is small in size, it is inconvenient to insert and remove the inner core of the dental pad, and it is not convenient to hold the inner core of the dental pad by hand. However, through the present solution, a holding block is provided, and the holding block is larger in size. The holding block can be held by hand, thereby facilitating the insertion and removal of the inner core of the dental pad, thereby greatly improving the convenience of operation.

[0019] Since the shapes or sizes of the inner core of the tooth pad and the connecting tube of the ventilation device are usually not matched, the connecting tube of the ventilation device and the inner core of the tooth pad cannot be directly connected. Therefore, in this solution, a holding block is fixedly connected to the end of the inner core of the tooth pad, and the connecting tube of the ventilation device can be directly connected through the interface groove on the holding block, so that the gas can be connected inside the connecting tube of the ventilation device, the interface groove and the inner core of the tooth pad, thereby realizing the flow of gas.

[0020] Preferably, as an improvement, the holding block is cylindrical, and the back end of the holding block abuts against the flange surface.

[0021] Since the connection pipe of the ventilation device is usually round, the shape of the holding block is designed to be cylindrical, so as to facilitate connection with the connection pipe of the ventilation device. The inner core of the tooth pad is inserted into the ventilation hole, and when the back end of the holding block abuts against the flange surface, it indicates that the inner core of the tooth pad is installed in place.

[0022] Preferably, as an improvement, a socket is provided on the flange, and the back end of the holding block is fixedly connected with a post for inserting into the socket, the post is located on the outside of the left and right sides of the inner core of the tooth pad, and the end of the post is fixedly connected with a latching protrusion for latching on the back of the flange.

[0023] Thus, the inner core of the tooth pad is inserted into the vent hole, the back of the holding block is against the front surface of the flange, the plug post is inserted into the plug hole, and the latch is stuck on the back of the flange, so that the inner core of the tooth pad is located inside the tooth pad part more stably and the inner core of the tooth pad is not easy to fall out of the vent hole.

[0024] The present invention adopts this connection mode because when the inner core of the tooth pad is taken out from the vent hole, the clamping protrusion can be directly operated on the back of the flange, thereby facilitating the clamping protrusion and the flange to be released from the clamping connection, and the operation is relatively convenient.

[0025] The plug posts are located outside the left and right sides of the inner core of the dental pad, and the teeth bite the upper and lower sides of the dental pad, so the plug posts will not interfere with and affect the bite of the teeth on the dental pad.

[0026] Preferably, as an improvement, the first clamping portion is located on the left and right sides of the inner core of the bite pad.

[0027] Thus, the teeth bite on the upper and lower sides of the bite pad part, so the first clamping part is located on the left and right sides of the inner core of the bite pad, which will not interfere with and affect the bite of the teeth on the bite pad part.

[0028] Preferably, as an improvement, the tooth pad part is a silicone hose, and the tooth pad inner core is a hard plastic. Thus, by using the silicone hose, the tooth pad part is relatively soft, and by using the hard plastic, the tooth pad inner core is relatively hard.

[0029] Preferably, as an improvement, both left and right ends of the flange are connected with fixing belts.

[0030] Therefore, when in use, the fixing belt is wrapped around the head, thereby achieving fixation of the oropharyngeal ventilation tube and preventing the oropharyngeal ventilation tube from falling out of the mouth. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a stereoscopic view of the oropharyngeal ventilation tube of Example 1 (without the inner core of the bite block inserted).

[0032] Figure 2 This is a three-dimensional view of the inner core of the dental pad of Example 1.

[0033] Figure 3 This is a stereoscopic view of the oropharyngeal ventilation tube (with a dental pad inner core inserted) of Example 1.

[0034] Figure 4 This is a three-dimensional view of the inner core of the dental pad of Example 2.

[0035] Figure 5 This is a stereoscopic view of the oropharyngeal ventilation tube (with a dental pad inner core inserted) of Example 3.

[0036] Figure 6 This is a three-dimensional diagram of the inner core of the tooth pad and the holding block of Example 3, mainly illustrating the front side of the holding block.

[0037] Figure 7 This is a three-dimensional diagram of the inner core of the tooth pad and the holding block of Example 3, mainly illustrating the back side of the holding block.

[0038] Figure 8 It is a three-dimensional diagram of the inner core of the tooth pad and the holding block in Example 4, mainly illustrating the back side of the holding block.

[0039] Fig. 9 for Figure 8 A is an enlarged view of the middle image. DETAILED DESCRIPTION

[0040] The following is further described in detail through specific implementation methods:

[0041] The figure marks in the drawings of the specification include: pharyngeal curvature part 1, flange 2, connecting hole 3, tooth pad part 4, tooth pad inner core 5, vent 6, first clamping part 7, holding block 8, interface groove 9, plug post 10, clamping protrusion 11.

[0042] Example 1

[0043] Basically as attached Figure 1-Figure 3As shown: an oropharyngeal ventilating tube, comprising a flange 2, a tooth pad part 4 and a pharyngeal curvature part 1 connected in sequence, the flange 2, the tooth pad part 4 and the pharyngeal curvature part 1 are integrally formed and connected, the tooth pad part 4 and the pharyngeal curvature part 1 are both tubular, and the cross-sections of the tooth pad part 4 and the pharyngeal curvature part 1 are both oblate or elliptical. The flange 2 is provided with a vent hole 6 connected to the tooth pad part 4.

[0044] The improvement of this embodiment is that the tooth pad part 4 and the pharyngeal curvature part 1 are made of soft materials, such as soft silicone material, so the tooth pad part 4 and the pharyngeal curvature part 1 in this embodiment are silicone hoses. The tooth pad inner core 5 extending into the tooth pad part 4 is inserted into the vent hole 6, and the tooth pad inner core 5 extending into the tooth pad part 4 is inserted into the vent hole 6. Figure 2 As shown, the shape of the inner core 5 of the tooth pad in this embodiment is adapted to the shape of the vent hole 6 (the inner chamber of the tooth pad part 4), the shape of the inner core 5 of the tooth pad is elliptical or oblate, a transverse through hole is provided in the middle of the inner core 5 of the tooth pad, and the material of the inner core 5 of the tooth pad is hard plastic (such as PP or PE or PC material). In this embodiment, the length of the inner core 5 of the tooth pad can be designed to be 2 cm, but in oropharyngeal ventilation tubes of different models and sizes, the inner core 5 of the tooth pad can be set to different sizes.

[0045] When used by a patient with teeth, the inner core 5 of the dental pad is inserted into the dental pad part 4 through the vent hole 6. Figure 3 As shown, the inner core 5 of the tooth pad is located in the cavity of the vent hole 6 and the tooth pad part 4. Since the inner core 5 of the tooth pad is supported by a hard material, it can support the soft tooth pad part 4, and can prevent the tube of the tooth pad part 4 from being deformed and closed when the jaws are clenched, thereby ensuring the normal use of the oropharyngeal ventilation tube.

[0046] When used by elderly edentulous patients, the tooth pad core 5 is taken out from the vent hole 6, or the tooth pad core 5 is not inserted into the vent hole 6, so that the tooth pad part 4 is not supported by the tooth pad core 5, and the hardness of the tooth pad part 4 is reduced. At the same time, the tooth pad part 4 is made of soft material, so the gums of the elderly edentulous patients bite on the tooth pad part 4, which can avoid hurting the gums and improve comfort. Since the elderly edentulous patients have no teeth, the bite force on the tooth pad part 4 is relatively weak compared to the teeth directly biting on the tooth pad part 4, so the tooth pad part 4 will not be closed.

[0047] Combination Figure 3 Shown, the end of the inner core 5 of the tooth pad protrudes from the front of the flange 2. The end of the inner core 5 of the tooth pad can be docked and connected with the ventilator connecting pipe like this, for artificial ventilation and respirator or balloon ventilation when emergency.

[0048] In addition, connecting holes 3 can be provided at the left and right ends of the flange 2, and the connecting holes 3 are used to connect a fixing belt (such as an elastic belt). In this way, the oropharyngeal airway is inserted into the mouth, and the fixing belt is passed around the back of the head and tightened, thereby fixing the oropharyngeal airway and preventing the oropharyngeal airway from falling out of the mouth.

[0049] Example 2

[0050] Combination Figure 4 As shown, this embodiment is further improved on the basis of the embodiment 1. Specifically, a first clamping portion 7 is provided on the inner core 5 of the tooth pad, and a second clamping portion (not shown in the figure) is provided on the flange 2 or the tooth pad part 4, and the first clamping portion 7 and the second clamping portion are clamped. In this way, the inner core 5 of the tooth pad is inserted into the vent hole 6, and the first clamping portion 7 and the second clamping portion are clamped, so that the inner core 5 of the tooth pad is located inside the tooth pad part 4 more stably, and the inner core 5 of the tooth pad is prevented from being bitten and slipping out of the vent hole 6 when the patient's teeth are tightly closed when using it.

[0051] For the first clamping part 7 or the second clamping part, the following method can be used to achieve it: the first clamping part 7 is a clamping block, the first clamping part 7 is located at the left and right ends of the tooth pad core 5, the second clamping part is a clamping groove or a clamping hole, the second clamping part is located on the left and right side walls of the tooth pad part 4, and by inserting the tooth pad core 5 into the vent hole 6, the clamping block is clamped in the clamping groove or the clamping hole, thereby achieving the clamping of the tooth pad core 5 and the tooth pad part 4, and the tooth pad core 5 is not easy to slip off from the tooth pad part 4.

[0052] Of course, in other embodiments, the card block may be replaced with other shapes, such as a strip shape, and the card slot or card hole may also be changed to a strip shape.

[0053] In addition, in other embodiments, the positions of the card block and the card slot (card hole) may be interchanged, that is, the card block is located on the inner wall of the bite pad part 4 , and the card slot or card hole is located on the outer wall of the bite pad inner core 5 .

[0054] Example 3

[0055] Combination Figure 5-Figure 7 As shown, in this embodiment, one end of the dental pad inner core 5 is fixedly connected (e.g., bonded or integrally formed) with a holding block 8, which is cylindrical in shape, and the outer wall radius of the holding block 8 is larger than the major diameter of the dental pad inner core 5, so that the edge of the holding block 8 is located outside the edge of the dental pad inner core 5, and the holding block 8 is larger in size, which is easier to hold by hand than the dental pad inner core 5 in Example 1. The length of the holding block 8 is 2 cm, and in other embodiments, it can also be set to other lengths.

[0056] The front end of the holding block 8 is provided with an interface groove 9 connected to the inner core 5 of the tooth pad. The interface groove 9 is also circular, so that the connection pipe of the ventilation device can be inserted for connection. In some embodiments, a thread can be provided on the inner wall of the interface groove 9, so that the connection pipe of the ventilation device and the interface groove 9 are stably connected through the threaded connection of the ventilation device connection pipe and the interface groove 9. Of course, in other embodiments, other connection methods can also be used, such as clamping.

[0057] When in use, hold the holding block 8 and push the inner core 5 of the tooth pad into the vent hole 6, so that the back end of the holding block 8 is against the front surface of the flange 2. Then insert the connecting pipe of the ventilation device into the interface groove 9, so that the connecting pipe of the ventilation device (such as a ventilator, a balloon), the interface groove 9 and the inner core 5 of the tooth pad are interconnected, and the flow of gas is realized. The setting of the holding block 8 makes it easier to connect the connecting pipe of the ventilation device with the oropharyngeal ventilation tube.

[0058] Example 4

[0059] Combination Figure 8 and Fig. 9 As shown, in this embodiment, the back end of the holding block 8 is integrally connected with a plug post 10, the length of which is the thickness of the flange 2, and the plug post 10 is located outside the left and right sides of the tooth pad inner core 5. The end of the plug post 10 is integrally fixed with a clamping protrusion 11, which is spherical in this embodiment. The flange 2 is provided with a plug hole (not shown in the figure), and the plug hole is located on the left and right sides of the tooth pad part 4. In this way, the tooth pad inner core 5 is inserted into the vent hole 6, the back of the holding block 8 is against the flange 2, and the end of the plug post 10 is inserted into the plug hole, and the clamping protrusion 11 passes through the plug hole and is clamped on the back of the flange 2, so that the holding block 8 is more stably located on the flange 2.

[0060] The reason for adopting this connection method is that when the holding block 8 and the tooth pad core 5 need to be removed, you only need to press the protrusion 11 on the back of the flange 2 with your fingers, and apply force in the axial direction of the plug post 10, so that the protrusion 11 can be easily pushed out of the socket (since the direction in which the protrusion 11 is pushed out of the socket is the same as the direction in which the holding block 8 is pulled out, the operation is more convenient), and then the holding block 8 and the tooth pad core 5 can be pulled out.

[0061] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An oropharyngeal ventilating tube, comprising a flange, a tooth pad portion and a pharyngeal curved portion connected in sequence, wherein the flange is provided with a vent hole connected to the tooth pad portion, characterized in that: The tooth pad part is made of soft material, a tooth pad inner core extending into the tooth pad part is inserted into the ventilation hole, the tooth pad inner core can be taken out from the ventilation hole, and the tooth pad inner core is made of hard material.

2. An oropharyngeal ventilation tube according to claim 1, characterized in that: The inner core of the bite pad is provided with a first clamping portion, and the flange or the bite pad portion is provided with a second clamping portion, and the first clamping portion and the second clamping portion are clamped.

3. An oropharyngeal ventilation tube according to claim 2, characterized in that: One of the first clamping portion and the second clamping portion is a bar or a block, and the other is a groove or a hole.

4. An oropharyngeal ventilation tube according to claim 1, characterized in that: The end of the inner core of the tooth pad protrudes from the front side of the flange.

5. An oropharyngeal ventilation tube according to claim 1, characterized in that: One end of the inner core of the bite pad is fixedly connected with a holding block, and the front end of the holding block is provided with an interface groove communicating with the inner core of the bite pad.

6. An oropharyngeal ventilation tube according to claim 5, characterized in that: The holding block is cylindrical, and the back end of the holding block is against the flange surface.

7. An oropharyngeal ventilation tube according to claim 6, characterized in that: The flange is provided with a socket, and the back end of the holding block is fixedly connected with a column for inserting into the socket. The column is located on the outside of the left and right sides of the inner core of the tooth pad, and the end of the column is fixedly connected with a clamping protrusion for clamping on the back of the flange.

8. An oropharyngeal ventilation tube according to claim 2, characterized in that: The first clamping portion is located on the left and right sides of the inner core of the bite block.

9. An oropharyngeal ventilation tube according to claim 1, characterized in that: The dental pad part is a silicone hose, and the inner core of the dental pad is hard plastic.

10. An oropharyngeal ventilation tube according to claim 1, characterized in that: The left and right ends of the flange are both connected with fixing belts.

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