CN219231091U - A talking valve with adjustable airway resistance - Google Patents

Abstract

The utility model discloses a speaking valve with adjustable airway resistance, which comprises a hose, wherein one end of the hose is fixedly connected with a sealing joint, one end of the sealing joint is inserted into a cylinder, two sides of one end of the cylinder are respectively and fixedly connected with an arc plate, one sides of the arc plates, which are far away from the cylinder, are respectively provided with threading holes, the other end of the cylinder is fixedly connected with a valve, one side, which is far away from the cylinder, of the valve is provided with an auxiliary adjusting component, one end face of the auxiliary adjusting component is in sliding contact with an adjusting component, and the adjusting component is rotationally sleeved at one end of the cylinder. The size of the air outlet is controlled by rotating the adjusting component, so that the air flow size of the air channel is adjusted, and the adjustment of different air channel resistances is realized.

Description

A talking valve with adjustable airway resistance

technical field

The utility model relates to the technical field of valves, in particular to a speaking valve with adjustable airway resistance.

Background technique

Tracheostomy intubation is a common medical device for respiratory anesthesia. It is widely used in clinical use to rescue critically ill patients, establish a respiratory management system, and keep the patient's airway unobstructed. Its simple operation method and remarkable use effect have been widely used in clinical practice. Good reviews from doctors and patients. For patients requiring tracheostomy intubation, the laryngeal tracheotomy is required, and the tracheal tube is then inserted. For conscious patients, a speaking valve is fitted at the end of the cannula to allow the patient to vocalize. Existing speaking valves usually include a tubular cylindrical housing, one port of the tubular cylindrical housing is connected to the intubation tube, and the other end of the tubular cylindrical housing is equipped with a one-way diaphragm, which is inserted into the tubular cylindrical housing through the one-way diaphragm. Pressure is created to make the patient vocalize.

However, the airway resistance of the existing speaking valves is generally unable to be adjusted, and the size of the airflow is fixed. When the trachea mouth is completely sealed, the patient immediately changes to oral and/or nasal ventilation, which will increase the inspiratory and expiratory resistances simultaneously, resulting in Rapid fatigue of the respiratory muscles is not tolerated by the patient, so we propose a speaking valve with adjustable airway resistance to solve the above problems.

Utility model content

The purpose of this utility model is to provide a speaking valve with adjustable airway resistance to solve the problems raised in the background technology above.

In order to achieve the above purpose, the utility model provides the following technical solution: a speaking valve with adjustable airway resistance, including a flexible tube, one end of the flexible tube is fixedly connected to a sealing joint, and one end of the sealing joint is plugged with a cylinder , the two sides of one end of the cylinder are respectively fixedly connected with arc-shaped plates, the sides of the arc-shaped plates away from the cylinder are respectively provided with threading holes, the other end of the cylinder is fixedly connected with a valve, and the valve is far away from the cylinder. One side of the cylinder is provided with an auxiliary adjustment assembly, and one end surface of the auxiliary adjustment assembly is in sliding contact with the adjustment assembly, and the adjustment assembly is rotatably sleeved on one end of the cylinder.

Preferably, the threading hole is an elliptical hole.

Preferably, an end of the sealing joint away from the hose is fixedly connected with a socket, and the socket is plugged into the cylinder.

Preferably, one end of the cylinder is provided with an annular groove, and a support slip ring is fixedly installed in the annular groove, and one end surface of the support slip ring is provided with a plurality of limit teeth.

Preferably, the adjustment assembly includes a rotating cover, an annular chute, and a metal shrapnel, the rotating cover rotates the sleeve cylinder, and an annular chute is provided inside one side of the rotating cover, and the annular chute slides and engages the support As for the slip ring, the top wall of the annular chute is fixedly connected with a metal shrapnel, and the end of the metal shrapnel far away from the annular chute abuts against the limit tooth opening.

Preferably, the adjustment assembly further includes a support bar 1, an arc bar 1, and an arc bar 2, a round hole is opened on one side of the rotating cover, and a cross-shaped support bar 1 is fixedly installed in the round hole, so that The two sides of the support bar one are respectively fixedly connected with a plurality of arc bar ones, the arc bar ones are arranged symmetrically, an arc opening two is formed between two adjacent arc bar ones, and the support bar The other two sides of one are respectively fixedly connected with several arc-shaped strips 2, and the arc-shaped strips 2 are arranged symmetrically, and an arc-shaped opening 1 is formed between two adjacent arc-shaped strips 2.

Preferably, the auxiliary adjustment assembly includes a support bar two, a support column, an arc bar three, and an arc bar four. The bottom of the end is respectively fixedly connected to the support column, and the support column is fixedly connected to the cylinder. The two sides of the support bar 2 are respectively fixedly connected to a number of arc-shaped bars 3. The arc-shaped bars 3 are arranged symmetrically, and the adjacent two Arc-shaped openings 3 are formed between the arc-shaped bars 3, and a number of arc-shaped bars 4 are respectively fixedly connected between the other two sides of the support bars 2, and an arc-shaped arc is formed between two adjacent arc-shaped bars 4. Port four, the cross-sectional area of the arc-shaped bar three is equal to the cross-sectional area of the arc-shaped port one, the cross-sectional area of the arc-shaped bar four is equal to the cross-sectional area of the arc-shaped port two, and the arc-shaped port three The cross-sectional area is equal to the cross-sectional area of the arc bar two, and the cross-sectional area of the arc port four is equal to the cross-sectional area of the arc bar one.

Compared with the prior art, the beneficial effect of the utility model is that the size of the air outlet can be controlled by rotating the adjustment assembly, and the airflow of the airway can be adjusted to realize the adjustment of different airway resistances.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of removing the adjustment assembly of the utility model;

Fig. 3 is a structural schematic diagram of the adjustment assembly of the present invention;

Fig. 4 is a schematic cross-sectional structure diagram of the utility model.

In the figure: adjustment assembly 1, rotating cover 11, support bar 12, arc bar 13, arc bar 2 14, annular chute 15, metal shrapnel 16, arc port 17, arc port 2 18, circular Cylinder 2, supporting slip ring 21, limit tooth mouth 22, arc plate 3, threading hole 4, sealing joint 5, socket pipe 51, hose 6, auxiliary adjustment component 7, supporting bar 2 71, supporting column 72, arc Shape bar three 73, arc bar four 74, arc mouth three 75, arc mouth four 76, valve 8.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

With reference to Fig. 1, 2, be the utility model first embodiment, this embodiment provides a kind of adjustable airway resistance speech valve, comprise flexible pipe 6, one end of flexible pipe 6 is fixedly connected sealing joint 5, and sealing joint One end of the cylinder 2 is plugged with a cylinder 2, and the two sides of one end of the cylinder 2 are fixedly connected to the arc plate 3, and the side of the arc plate 3 away from the cylinder 2 is respectively provided with a threading hole 4, and the other end of the cylinder 2 is fixed. The valve 8 is connected, and the side of the valve 8 away from the cylinder 2 is provided with an auxiliary adjustment component 7 , one end surface of the auxiliary adjustment component 7 is in sliding contact with the adjustment component 1 , and the adjustment component 1 is rotatably sleeved on one end of the cylinder 2 . By rotating the adjustment assembly 1 and then cooperating with the auxiliary adjustment assembly 7, the airflow of the airway can be adjusted, and the flexible tube 6 is inserted into the patient's trachea, and the center of the valve 8 is evenly split along the circumference to form several flaps, so that an openable and closed valve is formed in the center of the valve 8 When the patient inhales, the breathing hole in the center of the valve 8 opens, and the outside air enters the cylinder 2 from the gap adjusted between the adjustment component 1 and the auxiliary adjustment component 7, and finally enters the hose 6 and then enters the In the patient's trachea, when the patient exhales, the breathing hole in the center of the valve 8 is closed, and the gas can only be exhaled from the patient's mouth and nose, and the airflow passes through the vocal cords to generate vibration and sound.

Example 2

Referring to Figures 1-4, it is the second embodiment of the present invention, which is based on the previous embodiment, specifically, the threading hole 4 is a hole with an elliptical structure. The threading hole 4 that arc-shaped plate 3 offers cooperates strap and can bind the utility model on the patient's neck position, conveniently the utility model is fixed.

Specifically, the end of the sealing joint 5 away from the hose 6 is fixedly connected with a plug-in tube 51 , and the plug-in tube 51 is plugged into the cylinder 2 . The plug-in tube 51 is fixedly inserted into the cylinder 2, and the interference fit between the two facilitates the disassembly and assembly of the cylinder 2, and reduces the volume occupied by the utility model when not in use.

Specifically, one end of the cylinder 2 is provided with an annular groove, and a supporting slip ring 21 is fixedly installed in the annular groove, and one end surface of the supporting slip ring 21 is provided with a plurality of limit teeth 22 .

Specifically, the adjustment assembly 1 includes a rotating cover 11, an annular chute 15, and a metal shrapnel 16. The rotating cover 11 rotates the socket cylinder 2, and an annular chute 15 is provided inside one side of the rotating cover 11, and the annular chute 15 slides and engages. The slip ring 21 is supported, and the top wall of the annular chute 15 is fixedly connected with the metal dome 16 , and the end of the metal dome 16 away from the annular chute 15 abuts against the limit tooth opening 22 . When the rotating cover 11 is rotated, the metal dome 16 is sequentially clamped in the limit tooth mouth 22, and then the rotating cover 11 is limited to ensure the accuracy of adjustment. At the same time, after the adjustment is completed, the metal dome 16 and the limit tooth The mouth 22 is snapped elastically to prevent the rotating cover 11 from rotating when there is no external force operation, and to ensure that the position of the rotating cover 11 is fixed.

Further, the adjustment assembly 1 also includes a support bar 12, an arc bar 13, and an arc bar 14. A round hole is opened on one side of the rotating cover 11, and a cross-shaped support bar 12 is fixedly installed in the round hole. , between the two sides of support bar-12 fixedly connect several arc-shaped bars-13 respectively, arc-shaped bars-13 are arranged symmetrically, form arc-shaped mouth two 18 between adjacent two arc-shaped bars-13, support bar-1 A plurality of arc-shaped bars two 14 are respectively fixedly connected between the other two sides of the 12, and the arc-shaped bars two 14 are arranged symmetrically, and an arc-shaped opening 17 is formed between two adjacent arc-shaped bars two 14 .

Specifically, the auxiliary adjustment assembly 7 includes a support bar two 71, a support column 72, an arc bar three 73, and an arc bar four 74. The bottoms of both ends of the support column 72 are respectively fixedly connected to the support column 72, and the support column 72 is fixedly connected to the cylinder 2, and the two sides of the support bar 71 are respectively fixedly connected to a number of arc-shaped bars 3 73, and the arc-shaped bars 3 73 are arranged symmetrically. Arc-shaped opening 3 75 is formed between two arc-shaped bars 3 73, and several arc-shaped bars 4 74 are respectively fixedly connected between the other two sides of support bar 2 71, and an arc is formed between two adjacent arc-shaped bars 4 74. Shape mouth four 76, the cross-sectional area of arc-shaped bar three 73 equals the cross-sectional area of arc-shaped mouth one 17, and the cross-sectional area of arc-shaped bar four 74 equals the cross-sectional area of arc-shaped mouth two 18, and arc-shaped mouth three 75 The cross-sectional area of the arc bar two 14 is equal to the cross-sectional area of the arc bar two 14, and the cross-sectional area of the arc port four 76 is equal to the cross-sectional area of the arc bar one 13. By rotating the rotating cover 11 of the adjustment assembly 1, the support bar one 12 which is arranged cross-shaped in a cross-shaped structure is driven to rotate in a circle, and the support bar one 12 drives the arc bar one 13 and the arc bar two 14 to rotate in a circle respectively, and the arc bar one 13 and After arc bar two 14 is rotated, cooperate with arc bar three 73 and arc bar four 74 of auxiliary adjustment assembly 7 to adjust arc port one 17, arc port two 18, arc port three 75 and arc port four 76 opening area, and then adjust the size of the airflow of the airway.

Example 3

Referring to Figures 1-4, it is the third embodiment of the utility model, which is based on the above two embodiments. When in use, the rotating cover 11 of the adjustment assembly 1 is used to drive the cross-shaped cross-shaped support bar 12 Circumferential rotation, support bar one 12 drives arc bar one 13 and arc bar two 14 circular rotations respectively, after arc bar one 13 and arc bar two 14 rotate, cooperates arc bar three 73 and arc bar 7 of auxiliary adjustment assembly 7 Shape bar four 74, respectively adjust the opening area of arc-shaped mouth one 17, arc-shaped mouth two 18, arc-shaped mouth three 75, arc-shaped mouth four 76, and then adjust the airflow size of the airway, insert the patient's trachea through the flexible pipe 6, The center of the valve 8 splits evenly along the circumference to form several petals, thereby forming an openable and closable breathing hole at the center of the valve 8. When the patient inhales, the breathing hole at the center of the valve 8 opens, and the outside air flows from the arc mouth-17, arc The gap between the shaped mouth 2 18, the arc-shaped mouth 3 75 and the arc-shaped mouth 4 76 enters the cylinder 2, and finally enters the flexible pipe 6 and then enters the patient's trachea. When the patient exhales, the center of the valve 8 The breathing hole is closed, the gas can only be exhaled from the patient's mouth and nose, and the airflow passes through the vocal cords to vibrate and produce sound.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A speech valve with adjustable airway resistance, comprising a flexible pipe (6), one end of the flexible pipe (6) is fixedly connected to the sealing joint (5), it is characterized in that: one end of the sealing joint (5) A cylinder (2) is plugged in, and the two sides of one end of the cylinder (2) are respectively fixedly connected to the arc-shaped plate (3), and the side of the arc-shaped plate (3) away from the cylinder (2) is respectively provided with threading hole (4), the other end of the cylinder (2) is fixedly connected with a valve (8), and the side of the valve (8) away from the cylinder (2) is provided with an auxiliary adjustment assembly (7), the One end surface of the auxiliary adjustment component (7) is in sliding contact with the adjustment component (1), and the adjustment component (1) is rotatably sleeved on one end of the cylinder (2). 2. A speaking valve with adjustable airway resistance according to claim 1, characterized in that: the threading hole (4) is an elliptical hole. 3. A speaking valve with adjustable airway resistance according to claim 1, characterized in that: the end of the sealing joint (5) away from the flexible pipe (6) is fixedly connected with an insertion tube (51), the The socket pipe (51) is plugged with the cylinder (2). 4. A speaking valve with adjustable airway resistance according to claim 1, characterized in that: one end of the cylinder (2) is provided with an annular groove and a supporting slip ring (21) is fixedly installed in the annular groove , one end surface of the supporting slip ring (21) is provided with a plurality of limit teeth (22). 5. A speaking valve with adjustable airway resistance according to claim 4, characterized in that: the adjustment assembly (1) includes a rotating cover (11), an annular chute (15), a metal shrapnel (16) , the rotating cover (11) rotates the socket cylinder (2), and an annular chute (15) is provided inside one side of the rotating cover (11), and the annular chute (15) slides and engages the supporting slip ring (21), the top wall of the annular chute (15) is fixedly connected to the metal shrapnel (16), and the end of the metal shrapnel (16) away from the annular chute (15) leans against the limit tooth opening (22) . 6. A speaking valve with adjustable airway resistance according to claim 5, characterized in that: the adjustment assembly (1) also includes a support bar one (12), an arc bar one (13), an arc bar Bar two (14), one side of the rotating cover (11) is provided with a round hole and the support bar one (12) with a cross-shaped structure is fixedly installed in the round hole, and the two sides of the support bar one (12) A plurality of arc-shaped bars one (13) are fixedly connected between them, and the arc-shaped bars one (13) are arranged symmetrically, and an arc-shaped mouth two (18) is formed between two adjacent arc-shaped bars one (13), A plurality of curved strips (14) are respectively fixedly connected between the other two sides of the support strip one (12), and the two curved strips (14) are arranged symmetrically, and the adjacent two curved strips (14) are arranged symmetrically. 14) form arc mouth one (17) between. 7. A speaking valve with adjustable airway resistance according to claim 6, characterized in that: the auxiliary adjustment assembly (7) includes support bar two (71), support column (72), arc bar three (73), arc bar four (74), the support bar two (71) is arranged in a cross-shaped structure and the top slides in contact with the rotating cover (11), and the bottoms of both ends of the support bar two (71) are respectively fixedly connected Support column (72), the support column (72) is fixedly connected to the cylinder (2), the two sides of the support bar two (71) are respectively fixedly connected with a number of arc-shaped bar three (73), and the arc-shaped The strips three (73) are arranged symmetrically, an arc-shaped opening three (75) is formed between two adjacent arc-shaped strips three (73), and the other two sides of the support strip two (71) are respectively fixedly connected Some curved strips 4 (74), arc-shaped openings 4 (76) are formed between two adjacent curved strips 4 (74), and the cross-sectional area of said curved strips 3 (73) is equal to the arc The cross-sectional area of mouth one (17), the cross-sectional area of described arc bar four (74) is equal to the cross-sectional area of arc-shaped mouth two (18), the cross-sectional area of described arc-shaped mouth three (75) is equal to The cross-sectional area of arc bar two (14), the cross-sectional area of described arc mouth four (76) is equal to the cross-sectional area of arc bar one (13).

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