CN212547871U

CN212547871U - Laryngeal mask with ventilation clip

Info

Publication number: CN212547871U
Application number: CN202020374697.XU
Authority: CN
Inventors: 吴斯炯
Original assignee: Wuxi Sanjie Medical Technology Co ltd
Current assignee: Wuxi Sanjie Medical Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-02-19
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a laryngeal mask with clamp ventilates, including endotracheal tube, the inflation tube, endotracheal tube's near-end is equipped with machine end connector, endotracheal tube's distal end is connected with the base member, the tip of base member is equipped with inflatable and aerifys the gas cell that supports the interior pear form nest of oral cavity after the inflation, the intermediate part of gas cell is hollow structure in order to form the open end of ventilating, open end and base member ventilate, endotracheal tube is linked together and forms breathing passage, be equipped with the fence in the base member, the gas cell is equipped with the gas injection mouth, gas injection mouth and inflation tube intercommunication, inflation tube is connected with the inflation valve, the end of inflation valve is equipped with the clamp of ventilating with its adaptation. The utility model discloses utilize shifting out and installing of clamp of ventilating to implement to ventilate to the inflation valve, the operation is very simple, sets up the fence in the base member, effectively prevents patient's epiglottis steric hindrance stopper endotracheal tube's lumen, ensures to breathe unobstructed, and this laryngeal mask is placed and is difficult for shifting after targetting in place, and the artifical respiration passageway is established to the help patient that can be safe effectively stable.

Description

Laryngeal mask with ventilation clip

Technical Field

The utility model relates to the technical field of medical equipment, more specifically relates to a laryngeal mask with ventilation presss from both sides.

Background

In clinical medicine, the condition of assisting breathing of a patient who performs general anesthesia operation is often met, and the condition that the breathing intubation of the patient is difficult or difficult is also met, so that the auxiliary breathing of quickly establishing an artificial breathing channel is particularly important.

At present, two main breathing auxiliary modes are provided, one mode is a tracheal catheter ventilation device, a tracheal tube with an inflatable balloon extends into the throat from the oral cavity, the inflatable balloon is inflated to form tracheal seal, and then positive pressure is applied to the trachea to inflate the lung. Another auxiliary breathing mode is a laryngeal mask airway device, which consists of an airway tube and an airway mask, wherein one end of the airway tube is connected with a breathing machine, the other end of the airway tube is connected with the airway mask, and after the airway mask is placed in the throat and inflated, positive pressure is applied to the lung through the airway tube to maintain breathing. The two breathing assisting modes have the main defects that the tracheal catheter ventilation device is difficult to smoothly insert into a tracheal pipeline, and the tracheal catheter is easy to shift or even fall off; although the laryngeal mask airway device is not easy to cause the situation that the breathing is blocked due to the fact that the tracheal tube is displaced and falls off, the airway device needs to be fixed in the position for conducting airway of the inflatable bag through the tracheal tube by means of the injector, and therefore operation is inconvenient and time consumption is long.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a laryngeal mask with ventilation clamp, which is easy and convenient to operate and not easy to shift, and can safely, effectively and stably help patients to establish an artificial respiration channel.

According to the utility model discloses an aspect, a laryngeal mask with clamp ventilates is provided, it includes endotracheal tube, aerify the pipe, endotracheal tube's near-end is equipped with machine end connector, endotracheal tube's distal end is connected with the base member, the tip of base member is equipped with inflatable and aerifys the gas cell that supports the interior pear form nest of oral cavity after the inflation, the intermediate part of gas cell is hollow structure in order to form the open end of ventilating, open end and base member ventilate, endotracheal tube is linked together and forms respiratory channel, be equipped with the fence in the base member, the gas cell is equipped with the gas injection mouth, gas injection mouth and aerify the pipe intercommunication, aerify the pipe connection and have the inflation valve, the end of inflation valve is equipped with. Therefore, the inflation valve is of a one-way valve structure, and the ventilation clip is inserted into the end part of the inflation valve, so that the ventilation operation can be carried out on the inflatable bag; when the laryngeal mask needs to be placed, firstly, the ventilation channel of the inflation valve is opened by the ventilation clip, the inflation valve is squeezed to release the gas in the inflation bag, the ventilation clip is removed after the release is finished, an operator holds the tube wall of the tracheal catheter with hands, the ventilation opening end of the inflation bag is upward, one end of the inflation bag is stretched into the oral cavity of a patient, the inflation bag is tightly attached to the root of the tongue of the patient and is pushed forwards to the deep part of the oral cavity, and the operation is stopped when resistance is sensed; the ventilation clamp is inserted to open the ventilation channel of the inflation valve, the inflation bag is inflated in a slow rebound manner, the inflated inflation bag can prop against the pear-shaped nest in the oral cavity of the patient to prevent displacement and falling, and the epiglottis of the patient is positioned in the ventilation opening end of the middle part of the inflation bag; a breathing machine is connected to a machine end connector, and oxygen enters a breathing channel, so that a safe, effective and stable artificial breathing channel can be established; a fence is arranged in the base body and used for preventing the epiglottis from blocking the lumen of the tracheal catheter to influence the smooth breathing; the laryngeal mask is very simple to place and operate, short in time consumption, capable of achieving inflation and deflation of the inflation valve by means of the ventilation clamp without the help of an injector, not prone to damage to mucous membranes of patients, not prone to displacement after being placed in place, and capable of improving safety.

In some embodiments, the fence is vertically arranged, the fence is provided with two fences, and the two fences are symmetrically arranged left and right relative to the center of the base body. From this, set up two fences in the base member, this fence prevents that patient's epiglottis from hindering the lumen of blockking up endotracheal tube and influencing and breathing unobstructed.

In some embodiments, the outer wall of the inflation valve is provided with a limiting ring, the main body of the ventilation clamp is a sheet joint, the adaptive end of the ventilation clamp and the inflation valve is provided with a notch portion, a protruding rod is arranged in the notch portion, a semicircular component is arranged on the outer side of the top end of the notch portion, and the semicircular component can be matched with the limiting ring. Therefore, the inflation valve is a one-way valve, a spring and a valve rod are arranged in the inflation valve, when the inflation bag needs to be ventilated, a protruding rod of the ventilation clamp is inserted into the inflation valve, and due to the elasticity of the ventilation clamp, the semicircular component is sleeved on a limiting ring of the inflation valve, so that the protruding rod is driven to press the valve rod of the inflation valve, an air channel of the inflation valve is opened, and air in the inflation bag is compressed or inflated; the aeration clamp is moved out, the spring is reset, the air passage of the aeration valve is closed, and the previous initial state of the aeration bag can be kept.

In some embodiments, the root of the connection part of the limiting ring and the inflation valve is provided with a groove, and the inner side of the semicircular component is provided with a buckle matched with the groove. When the ventilation clamp is matched with the inflation valve, the semicircular component can be clamped in the groove of the limiting ring of the inflation valve, and the semicircular component is matched with the groove through the buckle, so that the ventilation clamp is convenient to store, and can prevent parts from being lost.

In some embodiments, a first channel is arranged in the tube wall of the endotracheal tube, a second channel is arranged in the tube wall of the base body, the second channel is communicated with the first channel, the second channel extends to the gas injection port, the first channel is provided with a notch portion, the notch portion is positioned on the outer wall of the endotracheal tube, the inflation catheter is connected with the gas injection port, and the inflation catheter sequentially penetrates through the second channel and the first channel and extends out through the notch portion. Therefore, the inflation conduit is hidden in the tracheal conduit and the tube wall of the base body, so that the stability of connection between the inflation conduit and the gas injection port can be ensured in the operation process, the laryngeal mask is more stable after being placed in place, and the safety is improved.

In some embodiments, an indicating air bag is arranged between the inflation conduit and the inflation valve, and the indicating air bag is sleeved on the outer wall of the inflation valve in an interference fit manner. Therefore, the inflation state of the inflation bag is judged by indicating the saturation degree of the air bag, the inflation of the inflation bag is ensured to be in place, and the inflation valve and the indication air bag are convenient to install.

In some embodiments, the outer diameter of the machine end connector and the inner diameter of the endotracheal tube are in interference fit, a limiting ring is arranged on the outer wall of the machine end connector, and a clamping groove for clamping the inflatable catheter is arranged on the limiting ring. Therefore, the machine end connector and the tracheal catheter are in plug-in interference fit, the disassembly is convenient, and the body of the inflatable catheter can be fixed in the clamping groove of the limiting ring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a laryngeal mask with ventilation clamp structure scientific and reasonable utilizes shifting out and installation of ventilation clamp to implement to ventilate to the inflation valve, and the operation is very simple, and save time sets up the fence in the base member, effectively prevents patient's epiglottis steric hindrance stopper endotracheal tube's lumen, ensures to breathe unobstructed, and this laryngeal mask is difficult to cause the damage to patient's mucosa, places difficult aversion after targetting in place, has improved the security, and the artifical breathing passageway is established to the help patient that can be safe effectively stable.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a laryngeal mask with an airway clip of the present invention;

FIG. 2 is a schematic view of the construction of the bladder and substrate;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 5 is a schematic structural view of an endotracheal tube;

FIG. 6 is a schematic view showing the connection of the bladder, inflation valve and venting clip;

FIG. 7 is a schematic view of the structure of the ventilation clip;

fig. 8 is a schematic diagram of the construction of the machine end fitting.

Detailed Description

The present invention will be further described with reference to the following embodiments.

As shown in fig. 1 and 2, a laryngeal mask with an airway clip according to an embodiment of the present invention includes an endotracheal tube 3 and an inflation tube 5. The side of the mask adjacent the operator is referred to as the proximal end, and the side adjacent the patient is the distal end. The tracheal catheter 3 has the same pipe diameter front and back, is a radian bendable transparent plastic pipe with the same diameter, and the two ports of the tracheal catheter 3 have the same structure and are circular ports. The near-end of endotracheal tube 3 is connected with machine end joint 4, and is specific, and the external diameter of machine end joint 4 adopts interference fit, convenient to detach with endotracheal tube 3's internal diameter. The distal end of endotracheal tube 3 is connected with base member 2, and is specific, the internal diameter of base member 2 and endotracheal tube 3's port external diameter interference fit to through the reinforced connection of adhesive, can not dismantle. The end part of the basal body 2 is provided with an inflatable bag 1 which can be inflated and can push against a pear-shaped nest in the oral cavity after being inflated, the shape of the inflatable bag 1 is pear-shaped, the distal end opening of the basal body 2 is connected with the inflatable bag 1 through an adhesive, the inflatable bag 1 is a circle of inflatable closed cavity, and the middle part of the inflatable bag 1 is of a hollow structure so as to form a ventilation opening end 11. The base body 2, the tracheal tube 3 and the machine end connector 4 are all of hollow structures, and the ventilation opening end 11 is communicated with the base body 2, the tracheal tube 3 and the machine end connector 4 to form a breathing passage. The fence 21 is arranged in the base body 2, and the fence 21 and the base body 2 are of an integrally formed structure. The inflatable bag 1 is provided with an air injection port 12, the air injection port 12 is communicated with the inflation conduit 5, the inflation conduit 5 is connected with an inflation valve 7, and the tail end of the inflation valve 7 is provided with a ventilation clip 8 matched with the inflation valve. The inflation valve 7 is of a one-way valve structure, the indicating air bag 6 is arranged between the inflation conduit 5 and the inflation valve 7, the indicating air bag 6, the inflation conduit 5 and the inflation bag 1 form an inflation channel, and the indicating air bag 6 is sleeved on the outer wall of the inflation valve 7 in an interference fit manner. The operation of venting the airbag 1 can be performed by inserting the venting clip 8 into the end of the inflation valve 7. The inflated airbag 1 can be pushed against the pear-shaped fossa in the mouth of the patient, and the epiglottis of the patient is positioned at the open end 11 of the ventilation.

As shown in fig. 1 and 2, the grill 21 is vertically disposed, and the grill 21 is vertically formed with respect to the ventilating open end 11. The two fences 21 are provided, and the two fences 21 are arranged in bilateral symmetry with respect to the center of the base body 2. Two fences 21 are arranged in the base body 2, and the fences 21 prevent the epiglottis of the patient from blocking the lumen of the tracheal catheter 3 to influence the smooth breathing.

As shown in FIG. 6, the outer wall of the inflation valve 7 is provided with a limiting ring 71, and a groove 72 is formed at the root of the connecting part of the limiting ring 71 and the inflation valve 7. As shown in fig. 7, the main body of the ventilation clamp 8 is a sheet joint, a notch 81 is formed at the adapting end of the ventilation clamp 8 and the inflation valve 7, a protruding rod 82 is arranged at the bottom of the inner side of the notch 81, a semicircular member 83 is arranged at the outer side of the top end of the notch 81, and a buckle 84 (shown in fig. 6) matched with the groove 72 is arranged at the inner side of the semicircular member 83, so that the semicircular member 83 can be matched with the limiting ring 71. The inflation valve 7 is a conventional one-way valve, a spring and a valve rod (not shown) are arranged inside the inflation valve 7, when the inflation bag 1 needs to be ventilated, the protruding rod 82 of the ventilation clip 8 is inserted into the inflation valve 7, and due to the elasticity of the ventilation clip 8, the semicircular member 83 is sleeved on the limiting ring 71 of the inflation valve 7, so that the protruding rod 82 is driven to apply pressure on the valve rod of the inflation valve 7, the ventilation channel of the inflation valve 7 is opened, and the air in the inflation bag 1 is compressed or inflated. The inflatable bag 1 is initially in vacuum, the inflatable bag 1 with the air passage can be compressed and deflated by squeezing the inflatable bag 1, and the inflatable bag 1 can also be inflated in a slow rebound mode. When the vent clamp 8 is moved out, the spring is reset, the vent channel of the inflation valve 7 is closed, and the previous initial state of the inflatable bag 1 can be kept. When the ventilation clip 8 is matched with the inflation valve 7, the semicircular member 83 can be clamped in the groove 72 of the limiting ring 71 of the inflation valve 7, and the buckle 84 is matched with the groove 72, so that the storage is convenient, and the loss of parts can be prevented.

As shown in fig. 3 to 5, a first channel 31 is formed in the tube wall of the endotracheal tube 3, a second channel 22 is formed in the tube wall of the base body 2, the second channel 22 is communicated with the first channel 31, and the second channel 22 extends to the gas injection port 12. The first channel 31 is opened with a notch 32, the notch 32 is located on the outer wall of the endotracheal tube 3, and the notch 32 is 4 to 5 cm away from the proximal end port of the endotracheal tube 3. Neither the first channel 31 nor the notch portion 32 penetrates the inner wall of the air-permeable tubular conduit 3. The inflation conduit 5 is connected to the gas-injection port 12 and extends through the second passage 22, the first passage 31 in this order, and the notch portion 32 to connect to the indicating bag 6. The inflation conduit 5 is hidden in the tube walls of the tracheal tube 3 and the base body 2, so that the stability of connection between the inflation conduit 5 and the gas injection port 12 can be ensured in the operation process, the laryngeal mask is more stable after being placed in place, and the safety is improved. The inflation state of the inflatable bag 1 is judged by indicating the saturation degree of the airbag 6, so that the inflatable bag 1 is ensured to be inflated in place, and the installation of the inflation valve 7 and the indicating airbag 6 is very convenient. The pipe diameter of the machine end joint 4 is a reducing structure, the limiting ring 41 is located at a reducing node of the outer wall of the machine end joint 4, and a clamping groove 42 (as shown in fig. 8) for clamping the inflation conduit 5 is formed in the limiting ring 41.

In this embodiment, the inflatable bag 1, the base body 2, the endotracheal tube 3, the inflatable tube 5 and the indicating air bag 6 are all integrally formed by a polyvinyl chloride material, the machine end connector 4 is integrally formed by a polypropylene material, and the ventilation clip 8 is integrally formed by an ABS material. The included angle formed by the central line of the tracheal catheter 3 and the central line of the base body 2 is 80-110 degrees, the included angle is very suitable for the oral cavity of a patient, and the comfort level of the patient is improved.

The utility model discloses a concrete operation mode: when the laryngeal mask needs to be placed, the end part of the inflation valve 7 is inserted into the ventilation clamp 8, the protruding rod 82 of the ventilation clamp 8 presses on the valve rod of the inflation valve 7 to open the air passage of the inflation valve 7, an operator squeezes the inflation valve 7 to release air in the inflatable bag 1, the ventilation clamp 8 is removed after the air release is completed, the operator holds the tube wall of the tracheal catheter 3 with the ventilation opening end 11 of the inflatable bag 1 facing upwards, the end of the inflatable bag 1 extends into the oral cavity of a patient, clings to the root of the tongue of the patient and pushes forwards to the oral cavity to reach the deep part, and the operation is stopped when resistance is sensed; the ventilation clamp 8 is inserted to open the ventilation channel of the inflation valve 7, the inflatable bag 1 is inflated in a slow rebound manner, the inflated inflatable bag 1 can prop against a pear-shaped nest in the oral cavity of a patient to prevent displacement and falling off, the epiglottis of the patient is positioned in the ventilation opening end 11 of the middle part of the inflatable bag 1, and the fence 21 arranged in the base body 2 can prevent the steric hindrance of the epiglottis from plugging the lumen of the tracheal catheter 3 to ensure smooth breathing; then, the breathing machine is connected to the machine end connector 4, and oxygen enters the breathing channel, so that a safe, effective and stable artificial breathing channel can be established.

The utility model provides a laryngeal mask with ventilation clamp structure scientific and reasonable, the operation is very simple, time saving need not with the help of the syringe, utilize shifting out and installing of ventilation clamp 8 to implement the aeration to inflation valve 7, set up fence 21 in the base member 2, effectively prevent patient's epiglottis steric hindrance stopper endotracheal tube 3's lumen, ensure to breathe unobstructed, this laryngeal mask is difficult for causing the damage to patient's mucosa, place difficult aversion after targetting in place, the security has been improved, the artificial respiration passageway is established to the help patient that can be safe effectively stable.

The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.

Claims

1. A laryngeal mask with an aeration clamp comprises a tracheal catheter (3) and an aeration catheter (5), it is characterized in that the near end of the tracheal catheter (3) is provided with a machine end connector (4), the far end of the tracheal catheter (3) is connected with a base body (2), the end part of the base body (2) is provided with an inflatable bag (1) which can be inflated and is propped against the pear-shaped nest in the oral cavity after being inflated and expanded, the middle part of the inflatable bag (1) is of a hollow structure to form a ventilation opening end (11), the ventilation opening end (11) is communicated with the base body (2) and the tracheal catheter (3) to form a breathing channel, a fence (21) is arranged in the base body (2), the inflatable bag (1) is provided with an air injection port (12), the gas injection port (12) is communicated with an inflation conduit (5), the inflation conduit (5) is connected with an inflation valve (7), the tail end of the inflation valve (7) is provided with a ventilation clip (8) matched with the inflation valve.

2. The laryngeal mask with the ventilation clip according to claim 1, characterised in that the fence (21) is arranged vertically, two of the fence (21) are provided, and the two fence (21) are arranged in bilateral symmetry with respect to the centre of the base (2).

3. The laryngeal mask with the ventilation clip according to claim 2, wherein a limiting ring (71) is arranged on the outer wall of the inflation valve (7), the main body of the ventilation clip (8) is a sheet-shaped joint, a notch portion (81) is arranged at the adapting end of the ventilation clip (8) and the inflation valve (7), a protruding rod (82) is arranged in the notch portion (81), a semicircular component (83) is arranged on the outer side of the top end of the notch portion (81), and the semicircular component (83) can be matched with the limiting ring (71).

4. The laryngeal mask with the ventilation clip according to claim 3, characterised in that a groove (72) is formed in the root of the connection portion of the limiting ring (71) and the inflation valve (7), and a buckle (84) matched with the groove (72) is arranged on the inner side of the semicircular component (83).

5. The laryngeal mask with the ventilation clip according to claim 1 or 4, characterised in that a first channel (31) is arranged in the tube wall of the endotracheal tube (3), a second channel (22) is arranged in the tube wall of the base body (2), the second channel (22) is communicated with the first channel (31), the second channel (22) extends to the gas injection port (12), the first channel (31) is provided with a notch portion (32), the notch portion (32) is located on the outer wall of the endotracheal tube (3), the inflation tube (5) is connected with the gas injection port (12) and sequentially penetrates through the second channel (22), and the first channel (31) extends out and is connected through the notch portion (32).

6. The laryngeal mask with the ventilation clip according to claim 5, characterised in that an indication air bag (6) is arranged between the inflation conduit (5) and the inflation valve (7), and the indication air bag (6) is sleeved on the outer wall of the inflation valve (7) in an interference fit mode.

7. The laryngeal mask with the ventilation clip according to claim 6, characterised in that the outer diameter of the machine end connector (4) is in interference fit with the inner diameter of the endotracheal tube (3), a limiting ring (41) is arranged on the outer wall of the machine end connector (4), and a clamping groove (42) for clamping the inflatable tube (5) is arranged on the limiting ring (41).