Cross-shaped bronchial valve

Abstract

The utility model relates to the technical field of medical instruments, in particular to a cross-shaped bronchial valve. The cross-shaped bronchial valve comprises a main body support (1) and a one-way valve (2), the main body support (1) and the one-way valve (2) are integrally connected, and the one-way valve (2) is located in the main body support (1). The utility model has the advantages of simple manufacturing process, high yield and obvious treatment effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a cross bronchus flap. BACKGROUND

[0002] The state of the bronchus flap is related to the stenosis of the bronchus. When the bronchus is stenotic, the flap will be in an open state to ensure that the airflow can enter the lung. When the bronchus is completely blocked, the flap will be in a closed state, thereby forming a one-way valve function to prevent the airflow from being discharged, resulting in persistent lung obstruction. Common types of flaps include airway stenosis and bronchospasm. Airway stenosis can be caused by airway inflammation, tumors, foreign bodies, etc., while bronchospasm can be caused by neuromuscular diseases, allergic reactions, etc. In the flap state, the patient will have persistent coughing, wheezing, chest tightness, and other symptoms, and in severe cases, it can even lead to suffocation. Treatment methods usually include drug therapy and surgical treatment. Drug therapy mainly uses anti-inflammatory, anti-asthma, and other drugs to relieve symptoms, while surgical treatment includes dilation, plastic surgery, etc. Chronic obstructive pulmonary disease is a common respiratory disease, and lung volume reduction surgery and lung transplantation are important treatment measures for such patients. The bronchus one-way flap currently used in clinical practice is made of nickel-titanium alloy framework combined with film material to achieve the function of a bronchus one-way flap with radial support. Its manufacturing process is relatively complex, and the yield is low.

[0003] CN115531038A discloses a bronchus one-way flap, which includes a support part and a gas-permeable part. The bronchus flap can reduce the production cost of the bronchus one-way flap and facilitate its popularization and use. However, many bronchus flaps currently being researched by companies, including the one disclosed in CN115531038A, are duckbill-shaped one-way flaps. The opening of the flap is small, and the process of discharging secretions is slow, which can cause the secretions to solidify in the opening and eventually lead to the failure of the flap.

[0004] Therefore, the utility model is proposed, which has a simple manufacturing process, a high yield, and obvious treatment effect. UTILITY MODEL CONTENT

[0005] The utility model provides a novel cross bronchus flap, which includes a main body support and a one-way valve. The main body support and the one-way valve are integrally connected, and the main body support and the one-way valve form an integrated structure. The one-way valve is located inside the main body support.

[0006] In the utility model, as one of the preferred technical solutions, the one-way valve is a cross-shaped one-way valve structure.

[0007] The one-way valve structure forms a one-way channel, the cross valve structure presents an open state when a patient exhales, gas exhaling and secretion of a distal end of an airway are guaranteed, the cross valve structure presents a closed state when the patient inhales, and thus gas passing through the one-way channel is prevented.

[0008] In the utility model, as one of implementation schemes, the cross valve is integrally formed by silicon rubber.

[0009] In the utility model, as one of implementation schemes, the cross-shaped bronchial valve is integrally injection molded by silicon rubber, and the cross-shaped bronchial valve as a whole is foldable and can be appropriately compressed in actual use.

[0010] In the utility model, as one of implementation schemes, the cross-shaped bronchial valve is foldable by using silicon rubber, can smoothly enter an implantation device, and thus implantation at a target position can be realized.

[0011] In the utility model, as one of implementation schemes, the main support is a hollow cylindrical structure, is used for accommodating the cross-shaped one-way valve inside, and a fixed anti-skid tooth is arranged on the outer wall of the main support. By using the tooth structure, the valve can be stably fixed on the airway wall, and displacement after implantation is prevented.

[0012] In the utility model, as one of implementation schemes, the outer wall of the main support is in contact with the inner wall of the bronchus, and the main support 1 as a whole is foldable and can be adaptively compressed or released. The outer wall of the main support 1 can also be provided with a pleat structure / screw structure, which can fix the valve on the bronchus airway wall and also guarantee the foldability of the bronchial valve as a whole.

[0013] In the utility model, as one of implementation schemes, the one-way valve bottom is integrally connected with the main support, that is, an integrated structure is formed, the one-way valve top is lower than the opening of the main support, and the one-way valve structure is completely wrapped in the main support.

[0014] In the utility model, as one of implementation schemes, the valve further comprises a buffer structure, the buffer structure is located at the connection between the main support and the one-way valve, and the main support, the one-way valve and the buffer structure are integrally connected, that is, the main support, the one-way valve and the buffer structure are an integrated structure.

[0015] The utility model has the following beneficial effects:

[0016] 1. By using the foldable type of silicon rubber, the implantation device can be smoothly entered, and thus implantation at a target position can be realized.

[0017] 2. By adopting the tooth structure, the valve can be stably fixed on the airway wall to prevent displacement after implantation.

[0018] 3. By adopting the cross-shaped one-way valve structure, the tracheal secretion can be effectively discharged. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The cross-shaped bronchus valve three-dimensional structure schematic view is disclosed in the utility model.

[0020] Figure 2 The cross-shaped bronchus valve front view is disclosed in the utility model.

[0021] Figure 3 The cross-shaped bronchus valve plan view is disclosed in the utility model.

[0022] Figure 4 The cross-shaped bronchus valve sectional view is disclosed in the utility model.

[0023] Figure 5 The cross-shaped bronchus valve sectional view is disclosed in the utility model.

[0024] The reference signs are explained as follows: 1 main body support; 2 one-way channel; 3 buffer structure; 4 fixed anti-skid tooth. DETAILED DESCRIPTION

[0025] The following examples are used to further illustrate the utility model, but do not limit the effective range of the utility model in any way

[0026] In the specific embodiment, the "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle" and the like in the utility model indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and these terms are mainly used for better describing the utility model and its embodiments, and are not used for limiting the indicated device, nor constitute the limitation of the utility model.

[0027] In addition, the "setting", "having", "connecting", "being connected" and the like in the utility model should be understood in a broad sense, and can be fixed connection or non-fixed connection, can be mechanical connection or any other connection, can be direct connection or indirect connection through a medium, and the connection mode commonly used by the person skilled in the art is within the protection scope of the utility model.

[0028] The material quality used in the device in the embodiment is only an exemplary description, and does not represent that the device can only be made of the material quality.

[0029] Figure 1 As shown, as one of the embodiments, the cross-shaped bronchus one-way flap overall structure includes a main support 1, a cross one-way valve 2, a buffer structure 3, and a fixed anti-skid tooth 4, the outer wall of the main support 1 is in contact with the inner wall of the bronchus, and the main support 1 as a whole has foldability and can be adaptively compressed or released. The outer wall of the main support 1 can also be provided with a pleated structure / threaded structure, which can not only fix the flap on the bronchus airway wall, but also ensure the foldability of the bronchus flap as a whole.

[0030] The main support 1 is a hollow cylindrical structure, used for accommodating the cross-shaped one-way valve inside, and the outer wall of the main support 1 is provided with the fixed anti-skid tooth 4. By adopting the toothed structure, the flap can be stably fixed on the airway wall to prevent displacement after implantation.

[0031] The main support 1, the one-way valve 2 and the buffer structure 3 are integrally connected, that is, the main support 1, the one-way valve 2 and the buffer structure 3 are of an integrated structure.

[0032] The bottom of the one-way valve 2 is integrally connected with the main support 1, that is, an integrated structure is formed, and the height of the top of the one-way valve 2 is lower than the opening of the main support 1; the one-way valve structure is completely wrapped in the main support.

[0033] In use, the cross-shaped bronchus one-way flap is first placed in the target lung lobe bronchus through a conventional bronchoscope, and the one-way flap is stably fixed on the airway wall of the patient through the supporting force of the main support 1 and the friction force of the anti-skid tooth, and then the one-way ventilation function of the cross one-way valve 2 is used to realize lung volume reduction. The buffer structure 3 effectively avoids the functional failure of the one-way valve caused by the extrusion of the airway wall.

[0034] The cross-shaped bronchus one-way flap according to the embodiment is integrally injection molded by using a full medical silicone rubber. In use of the one-way flap, the cross-shaped bronchus one-way flap is first placed in the target lung lobe bronchus through a conventional bronchoscope, and the cross-shaped bronchus one-way flap has a cross-shaped one-way channel, which is closed during inhalation of the patient and opened during exhalation, while draining the secretions at the distal end of the airway, gradually discharging the residual gas in the distal lobe segment of the bronchus one-way flap support, and making the secretions flow out, so that the target lung lobe gradually fibroses, the healthy lung gradually expands to play a compensatory role, and the lung function of the patient is restored to cure the patient.

Claims

1. A cruciform bronchial valve, characterized in that, It includes a main body support (1) and a one-way valve (2), the main body support (1) is integrally connected with the one-way valve (2), the one-way valve (2) is located inside the main body support (1), and the one-way valve (2) is a cross-shaped one-way valve structure.

2. The cruciform bronchial valve of claim 1, wherein, The main body support (1) is a hollow cylindrical structure, and the outer wall of the main body support (1) is provided with fixed anti-skid teeth (4).

3. The cruciform bronchial valve of claim 1, wherein, The outer wall of the main body support (1) is in contact with the inner wall of the bronchus, and the main body support (1) as a whole has foldability and can be adaptively compressed or released.

4. The cruciform bronchial valve of claim 1, wherein, The bottom of the one-way valve (2) is integrally connected with the main body support (1), and the top of the one-way valve (2) is lower than the opening of the main body support (1).

5. The cruciform bronchial valve of claim 1, wherein, The bronchus valve further comprises a buffer structure (3) located at the connection between the main body support (1) and the one-way valve (2).

6. The cruciform bronchial valve of claim 5, wherein, The main body support (1), the one-way valve (2) and the buffer structure (3) are integrally connected.

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