Anesthesia circuit internal sampling device with a clamping structure

Abstract

The utility model belongs to anesthetic equipment technical field, specifically is anesthetic circuit inside sampling device with clamping structure. Sampling device includes a plurality of different length's sampling pipe, and a plurality of different length's sampling pipe is connected between using connecting rib, and the protrusion is set at the certain height of connecting rib at the bottom of sampling pipe, and the protrusion between any two adjacent sampling pipes is opposite and the protrusion and connecting rib form a half-enclosed outer clamping structure, and the outer clamping structure is used for connecting the base of anesthetic circuit, the inner clamping structure is set in the one end of sampling pipe in connecting rib, and is used for connecting with the air inlet joint of pressure sensor. The utility model makes a plurality of silica gel material to make sampling pipe integration together, and adopts the clamping structure and is fixed with the base, and each sampling pipe is different in length according to the sampling distance and is reserved, is convenient for installation, prevents the error.

Description

Technical Field

[0001] This utility model belongs to the field of anesthesia equipment technology, specifically a sampling device for anesthesia circuit with a snap-fit ​​structure. Background Technology

[0002] During the use of anesthesia machines, it is necessary to sample the pressure and flow rate of the gas in the breathing circuit in real time. This is to facilitate continuous monitoring of pressure changes in the circuit during surgery, and to avoid air leakage that could lead to low airway pressure or airway obstruction that could lead to high airway pressure. Flow rate sampling is carried out with the help of differential pressure sensors, which helps to accurately control ventilation, ensure that the tidal volume meets physiological needs, and avoid CO2 accumulation caused by insufficient ventilation.

[0003] Currently, there are generally two common sampling methods in the breathing circuit of anesthesia machines. One is to use a hollow metal tube to connect the sampling port in the metal structure circuit, and seal both ends with rubber sleeves. In this structure, the metal tube has high rigidity and is difficult to arrange. In particular, when sampling over long distances, the metal tube is difficult to process and is prone to deformation, resulting in poor assembly and air leakage. The other is to use a rubber tube, with both ends inserted into the sampling port. During installation, different lengths are cut according to different sampling distances, which is troublesome to operate. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and propose an internal sampling device for anesthesia circuits with a snap-fit ​​structure. This invention integrates multiple sampling tubes made of silicone material, which are fixed to a base using a snap-fit ​​structure. Each sampling tube has a pre-set length according to different sampling distances, facilitating installation and preventing errors.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An internal sampling device for anesthesia circuit with a snap-fit ​​structure, the sampling device comprising a plurality of sampling tubes of different lengths, the plurality of sampling tubes of different lengths being connected by connecting ribs;

[0007] A protrusion is set at a certain height from the bottom of the sampling tube to the connecting rib. The protrusions between any two adjacent sampling tubes are opposite each other and the protrusions and the connecting rib form a semi-enclosed outer clamping structure. This outer clamping structure is used to connect the base of the anesthesia circuit.

[0008] The sampling tube has an internal snap-fit ​​structure at one end of the connecting rib for connecting to the air inlet connector of the pressure sensor.

[0009] Preferably, the sampling device is integrally molded from a flexible material.

[0010] Preferably, the flexible material is silicone.

[0011] Preferably, the external snap-fit ​​structure is a T-shaped groove.

[0012] Preferably, the shape of the inner snap-fit ​​structure matches the shape of the air inlet connector of the pressure sensor.

[0013] Preferably, the inner snap-fit ​​structure is shaped like a gourd with a pinched waist, and the opening of the inner snap-fit ​​structure is a flared opening.

[0014] Preferably, the number of sampling tubes is five, and their lengths are arranged in descending order.

[0015] Compared with the prior art, the significant advancement of this utility model is:

[0016] 1. This utility model integrates multiple sampling tubes into one piece, with different sampling tube lengths, eliminating the need for cutting, facilitating installation, and preventing incorrect installation; the sampling tubes of this utility model are made of flexible materials such as silicone, making them convenient to use.

[0017] 2. The sampling device of this utility model has a double-layer snap-fit ​​structure on the outside and inside, which ensures reliable sealing and accurate positioning. Attached Figure Description

[0018] Figure 1 This is a partial structural cross-sectional view of the sampling device of this utility model;

[0019] Figure 2 This is a schematic diagram of the sampling device of this utility model installed on the base;

[0020] Figure 3 This is a schematic diagram of the overall structure of the sampling device of this utility model;

[0021] Figure label:

[0022] 1. Sampling tube; 2. Connecting rib; 3. Protrusion; 4. External snap-fit ​​structure; 5. Base; 6. Internal snap-fit ​​structure. Detailed Implementation

[0023] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and embodiments.

[0024] Example 1

[0025] like Figure 1-2 As shown, an internal sampling device for anesthesia circuit with a snap-fit ​​structure is provided. The sampling device includes several sampling tubes 1 of different lengths, which are connected by connecting ribs 2.

[0026] A protrusion 3 is provided at a certain height from the bottom of the sampling tube 1 to the connecting rib 2. The protrusions 3 between any two adjacent sampling tubes 1 are opposite each other and the protrusions 3 and the connecting rib 2 form a semi-enclosed outer clamping structure 4. The outer clamping structure 4 is used to connect the base 5 of the anesthesia circuit.

[0027] The sampling tube 1 has an internal snap-fit ​​structure 6 at one end of the connecting rib 2 for connecting to the air inlet connector of the pressure sensor. The pressure sensor and its air inlet connector are not shown in the figure.

[0028] The sampling device is integrally molded from flexible silicone material. The outer clamping structure 4 is a T-shaped groove. The shape of the inner clamping structure 6 matches the shape of the air inlet connector of the pressure sensor. The inner clamping structure 6 is shaped like a gourd with a flared opening.

[0029] like Figure 3 As shown, there are five sampling tubes 1, arranged in descending order of length.

[0030] In this embodiment, as Figure 3 The left end of the five separate sampling tubes is connected to the sampling port inside the anesthesia circuit that needs to be sampled. The right end is connected into a whole by a connecting rib perpendicular to the axis of the sampling tube, which is the sampling tube outlet. It is connected to the air inlet connector of the pressure sensor. The right end of the sampling tube has a snap-fit ​​structure designed inside and outside. The outer snap-fit ​​structure is thicker on both sides and thinner in the middle. When installed, it is inserted into the mounting hole of the base. The thicker sides of the structure can hold the base. The inner snap-fit ​​structure has two layers of protrusions for sealing after the air inlet connector of the pressure connector is inserted into the sampling tube.

[0031] from Figure 3 As can be seen, the five sampling tubes are of different lengths. The length of the sampling tubes is directly manufactured to the assembly length according to actual needs, without the need for further cutting, and can be used directly.

[0032] In addition to the shape described in this utility model, the external snap-fit ​​structure and the internal snap-fit ​​structure of this utility model can also adopt other snap-fit ​​structures in this field.

[0033] For any content not described in detail in this utility model, conventional technical knowledge in the field can be used.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model do not depart from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A sampling device for an anesthesia circuit with a snap-fit ​​structure, characterized in that, The sampling device includes several sampling tubes of different lengths, which are connected by connecting ribs. A protrusion is set at a certain height from the bottom of the sampling tube to the connecting rib. The protrusions between any two adjacent sampling tubes are opposite each other and the protrusions and the connecting rib form a semi-enclosed outer clamping structure. This outer clamping structure is used to connect the base of the anesthesia circuit. The sampling tube has an internal snap-fit ​​structure at one end of the connecting rib for connecting to the air inlet connector of the pressure sensor.

2. The internal sampling device for an anesthesia circuit having a clamping structure according to claim 1, characterized by, The sampling device is integrally molded from flexible material.

3. The internal sampling device for an anesthesia circuit having a clamping structure according to claim 2, characterized in that, The flexible material is silicone.

4. The internal sampling device for an anesthesia circuit having a clamping structure according to claim 1, wherein The external snap-fit ​​structure is a T-shaped groove.

5. The internal sampling device for an anesthesia circuit having a clamping structure according to claim 1, wherein The shape of the internal snap-fit ​​structure matches the shape of the air inlet connector of the pressure sensor.

6. The internal sampling device for an anesthesia circuit having a clamping structure according to claim 5, wherein The inner snap-fit ​​structure is shaped like a gourd with a pinched waist, and the opening of the inner snap-fit ​​structure is a flared opening.

7. The internal sampling device for an anesthesia circuit having a clamping structure according to claim 1, wherein The number of sampling tubes is five, and their lengths are arranged in descending order.

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