Disinfecting and filtering structure capable of being freely replaced for medical breathing machine

Abstract

The utility model discloses a freely replaceable disinfecting and filtering structure for a medical breathing machine, which belongs to the related technical field of breathing machines, and comprises a breathing machine body, a breathing joint mounted on the breathing machine body and a filter butted with the breathing joint, the filter comprises a filter body, the two ends of the filter body are both connected with connectors which are of tubular structures in a communicating mode, a plurality of notches are formed in the ends of the connectors, the notches are formed in the radial positions of the connectors, and clamping jaws which are integrally formed with the connectors are arranged on the inner sides of the notches. The filter can be effectively prevented from loosening, normal conveying of gas can be guaranteed, when the filter needs to be replaced, the locking sleeve is reversely screwed, constraint on the clamping jaw is released, then the filter is taken down from the breathing connector, and free replacement is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of ventilator-related technology, and more specifically, to a replaceable disinfection filter structure for medical ventilators. Background Technology

[0002] In modern clinical medicine, ventilators, as an effective means of artificially replacing spontaneous ventilation, are widely used in respiratory failure caused by various reasons, anesthetic respiratory management during major surgery, respiratory support therapy, and emergency resuscitation, occupying a very important position in the field of modern medicine. A ventilator is a crucial medical device that can prevent and treat respiratory failure, reduce complications, and save and prolong patients' lives.

[0003] The existing ventilator's breathing connector and filter are mainly installed by plugging and unplugging. Although this method is convenient, it is not secure and is prone to loosening, which affects the air supply effect. In order to facilitate installation and easy replacement, while ensuring stability after installation, we propose a replaceable sterilization filter structure for medical ventilators to solve the above problems. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] To address the problems existing in the prior art, the purpose of this utility model is to provide a freely replaceable sterilization filter structure for medical ventilators. It ensures the stability of filter installation, effectively prevents filter loosening, and ensures normal gas delivery. When the filter needs to be replaced, the locking sleeve is turned in the opposite direction to release the restraint on the claws, and then the filter can be removed from the breathing connector, making it convenient and easy to replace.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] A replaceable sterilization filter structure for a medical ventilator includes a ventilator body, a breathing connector mounted on the ventilator body, and a filter connected to the breathing connector. Both ends of the filter are connected to a connector with a tubular structure. The end of the connector has a notch, and multiple notches are arranged radially on the connector. The inner side of the notch has a claw integrally formed with the connector. The end of the claw facing the inner side of the connector has a clamping head integrally formed. The end of the claw away from the clamping head has an inclined surface integrally formed at an upward angle. The outer walls of the connector and the claw have external threads.

[0009] The outer side of the connector is fitted with a locking sleeve, and the inner wall of the locking sleeve is provided with an internal thread that is screwed into the external thread.

[0010] Furthermore, the inner wall of the connector is inlaid with a sealing ring, and the sealing ring abuts against the outer wall of the breathing connector.

[0011] Furthermore, there are three notches, and the angle between two adjacent notches and the axis of the connector is 120°.

[0012] Furthermore, the end of the card connector is chamfered.

[0013] Furthermore, the outer diameter of the breathing connector is smaller than the inner diameter of the connector.

[0014] Furthermore, the outer wall of the locking sleeve is integrally formed with anti-slip serrations, and multiple anti-slip serrations are provided at the radial position of the locking sleeve.

[0015] Furthermore, the inner side of the filter is filled with medical filter cotton, and the medical filter cotton is made of polyester fiber.

[0016] 3. Beneficial effects

[0017] Compared with existing technologies, the advantages of this utility model are:

[0018] (1) In this solution, one of the connectors on the filter is connected to the breathing connector on the ventilator body. Then, the locking sleeve is screwed into the connector by the engagement of the external and internal threads. The end of the locking sleeve is engaged with the bevel to tighten the claws inward, thereby making the locking sleeve and the breathing connector fit tightly together. This ensures the stability of the filter installation, effectively prevents the filter from loosening, and ensures normal gas delivery. When the filter needs to be replaced, the locking sleeve is screwed in the opposite direction to release the claws, and then the filter can be removed from the breathing connector for easy and free replacement.

[0019] (2) In this solution, a sealing ring is used to fill the gap between the connector and the breathing connector to prevent bacteria in the air from entering the transported gas and to ensure the quality of the transported gas. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the ventilator body structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the filter structure of this utility model;

[0023] Figure 4 This is a side view of the filter of this utility model;

[0024] Figure 5 This is a cross-sectional schematic diagram of the filter AA part of this utility model;

[0025] Figure 6 This is an enlarged schematic diagram of part A of the present invention;

[0026] Figure 7 This is a schematic diagram of the locking sleeve structure of this utility model.

[0027] Explanation of the labels in the diagram:

[0028] 1. Ventilator body; 2. Breathing connector; 3. Filter; 4. Medical filter cotton; 5. Connector; 6. Claw; 7. Clamping connector; 8. Bevel; 9. External thread; 10. Locking sleeve; 11. Internal thread; 12. Anti-slip teeth; 13. Sealing ring. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0030] Example:

[0031] Please see Figure 1-7 A replaceable disinfection filter structure for a medical ventilator includes a ventilator body 1, a breathing connector 2 installed on the ventilator body 1, and a filter 3 connected to the breathing connector 2. Both ends of the filter 3 are connected to a connector 5 with a tubular structure. The end of the connector 5 has a notch, and multiple notches are arranged radially on the connector 5. The inner side of the notch is provided with a claw 6 integrally formed with the connector 5. The end of the claw 6 facing the inner side of the connector 5 is integrally formed with a clamping head 7. The end of the claw 6 away from the clamping head 7 is integrally formed with an inclined surface 8 with an upward angle structure. The outer walls of the connector 5 and the claw 6 are provided with external threads 9.

[0032] A locking sleeve 10 is fitted on the outer side of the connector 5, and an internal thread 11 is provided on the inner wall of the locking sleeve 10 to be screwed into the external thread 9.

[0033] It should be noted that the medical ventilator uses a freely replaceable sterilization filter structure. During use, one of the connectors 5 on the filter 3 is connected to the breathing connector 2 on the ventilator body 1. Then, the external thread 9 and internal thread 11 engage to tighten the locking sleeve 10, which in turn engages with the connector 5. The end of the locking sleeve 10, in conjunction with the bevel 8, causes the claw 6 to tighten inward, resulting in a tight fit between the connector 7 and the breathing connector 2. This ensures the stability of the filter 3 installation and effectively prevents it from loosening. When the ventilator body 1 is in operation, the medical filter cotton 4 in the filter 3 sterilizes and filters the gas, ensuring normal gas delivery. When the filter 3 needs to be replaced, the locking sleeve 10 is screwed in the opposite direction to release the claw 6, and then the filter 3 can be removed from the breathing connector 2, allowing for convenient and free replacement.

[0034] like Figure 5 As shown, the inner wall of the connector 5 is inlaid with a sealing ring 13, and the sealing ring 13 abuts against the outer wall of the breathing connector 2.

[0035] It should be noted that the sealing ring 13 is used to fill the gap between the connector 5 and the breathing connector 2 to prevent bacteria in the air from entering the transported gas and to ensure the quality of the transported gas.

[0036] like Figure 1 , Figure 2 , Figure 3 As shown, there are three notches, and the angle between two adjacent notches and the axis of the connector 5 is 120°. The end of the snap connector 7 is chamfered, and the outer diameter of the breather connector 2 is smaller than the inner diameter of the connector 5.

[0037] It should be noted that, through the chamfer set at the end of the clamp connector 7, during the process of connecting the breathing connector 2, the chamfered slope abuts against the end of the breathing connector 2, thereby opening the clamp 6 for easy insertion.

[0038] like Figure 7 As shown, the outer wall of the locking sleeve 10 is integrally formed with anti-slip protrusions 12, and multiple anti-slip protrusions 12 are provided in the radial position of the locking sleeve 10.

[0039] It should be noted that by setting the anti-slip serrations 12, the friction between the hand and the locking sleeve 10 can be effectively increased, which makes it easier for the operator to tighten the locking sleeve 10.

[0040] The inside of the filter 3 is filled with medical filter cotton 4, and the material of the medical filter cotton 4 is polyester fiber.

[0041] In use: Connect one of the connectors 5 on the filter 3 to the breathing connector 2 on the ventilator body 1. Then, the locking sleeve 10 is screwed into the connector 5 by the engagement of the external thread 9 and the internal thread 11. The end of the locking sleeve 10 engages with the bevel 8 to tighten the claw 6 inward, thereby ensuring a tight fit between the connector 7 and the breathing connector 2. This ensures the stability of the filter 3 installation and effectively prevents the filter 3 from loosening. When the ventilator body 1 is working, the medical filter cotton 4 in the filter 3 is used to disinfect and filter the gas, ensuring normal gas delivery. When the filter 3 needs to be replaced, the locking sleeve 10 is screwed in the opposite direction to release the claw 6, and then the filter 3 can be removed from the breathing connector 2.

[0042] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A replaceable sterilization filter structure for a medical ventilator, comprising a ventilator body (1), a breathing connector (2) mounted on the ventilator body (1), and a filter (3) connected to the breathing connector (2), characterized in that: Both ends of the filter (3) are connected to a connector (5) with a tubular structure. The end of the connector (5) is provided with a notch, and multiple notches are provided in the radial position of the connector (5). The inner side of the notch is provided with a claw (6) integrally formed with the connector (5). The end of the claw (6) facing the inner side of the connector (5) is integrally formed with a clamping head (7). The end of the claw (6) away from the clamping head (7) is integrally formed with an inclined surface (8) with an upward angle structure. The outer walls of the connector (5) and the claw (6) are provided with external threads (9). The outer side of the connector (5) is fitted with a locking sleeve (10), and the inner wall of the locking sleeve (10) is provided with an internal thread (11) that is screwed into the external thread (9).

2. The replaceable sterilization filter structure for a medical ventilator according to claim 1, characterized in that: The inner wall of the connector (5) is inlaid with a sealing ring (13), and the sealing ring (13) abuts against the outer wall of the breathing connector (2).

3. The replaceable sterilization filter structure for a medical ventilator according to claim 1, characterized in that: Specifically, three notches are provided, and the angle between two adjacent notches and the axis of the connector (5) is 120°.

4. The replaceable sterilization filter structure for a medical ventilator according to claim 1, characterized in that: The end of the card connector (7) is chamfered.

5. The replaceable sterilization filter structure for a medical ventilator according to claim 1, characterized in that: The outer diameter of the breathing connector (2) is smaller than the inner diameter of the connector (5).

6. The replaceable sterilization filter structure for a medical ventilator according to claim 1, characterized in that: The outer wall of the locking sleeve (10) is integrally formed with anti-slip protrusions (12), and multiple anti-slip protrusions (12) are provided in the radial position of the locking sleeve (10).

7. The replaceable sterilization filter structure for a medical ventilator according to claim 1, characterized in that: The filter (3) is filled with medical filter cotton (4) on its inner side, and the medical filter cotton (4) is made of polyester fiber.

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