Rotary bronchus double-cavity cannula connector

Abstract

A rotary bronchus double-cavity cannula connector comprises a dial plate type three-way connector, two connecting pipes at the upper end of the three-way connector are communicated with two hammer-shaped connectors through two breather pipes respectively, a connecting pipe at the lower end of the three-way connector is communicated with a machine end pipeline, and a switching valve body is arranged in the three-way connector. The utility model is used for solving the problem that the operation is complicated when the bronchus double-cavity intubation needs unilateral lung ventilation or bilateral lung closure in the thoracic surgery.

Description

Technical Field

[0001] The utility model relates to a rotary bronchial double-lumen cannula joint. Background Art

[0002] In thoracic surgery, double-lumen endobronchial tubes are the most widely used and mature products in clinical practice. The Y-connector is a key component of double-lumen endobronchial tubes, connecting them to the breathing circuit to continuously deliver gas to the patient. Currently, in thoracic surgery, if single-lung ventilation is required, hemostat clamps are typically used to clamp one side of the tube, preventing ventilation. However, thoracic surgery is not limited to single-lung ventilation; bilateral closure is sometimes required, requiring two hemostat clamps. If they are not clamped tightly, air leaks will occur, and the coordinated operation requires two people, which is both risky and wasteful.

[0003] There are also manufacturers on the market that have made improvements to the Y-type connector, placing the adjustment structure on the hoses on both sides for adjustment. Although this abandons the operation method of traditional hemostatic forceps, it is also relatively complicated in actual operation, and it is necessary to confirm the open / close status of the adjustment structure separately before operating them separately. Utility Model Content

[0004] The utility model aims to provide a rotary bronchial double-lumen cannula joint, which is used to solve the problem of complicated operation when bronchial double-lumen cannula needs unilateral lung ventilation or bilateral lung closure in thoracic surgery.

[0005] In order to solve the above problems, the technical solution of the utility model is:

[0006] A rotary bronchial double-lumen cannula joint comprises a dial-type three-way joint, wherein the two pipes at the upper end of the three-way joint are respectively connected to the two hammer-shaped joints through two ventilation pipes, and the pipe at the lower end of the three-way joint is connected to the machine end pipeline, and a switching valve body is provided in the three-way joint.

[0007] The switching valve body includes a knob arranged in the tee joint and a ring cover threadedly connected to the tee joint. There is a gap between the outer wall of the knob and the inner wall of the tee joint. A top block extends from the outer wall of the knob, and a sealing block is provided on the top block. The sealing block rests on the inner wall of the tee joint. A boss is provided on the knob, and the boss passes through the ring cover. A first handle is provided on the boss.

[0008] The blocking block is a hemispherical silica gel block.

[0009] A first orientation indicator mark is provided on the first handle.

[0010] The switching valve body includes a valve cover arranged in the three-way joint, and vent holes corresponding to the three connecting pipes of the three-way joint are opened on the circumferential surface of the valve cover. A circle of flanges is provided on the circumferential surface of the valve cover, and a circle of grooves is provided on the inner wall surface of the three-way joint. The flange is stuck in the groove, and a second handle is provided on the end surface of the valve cover.

[0011] A second position indicator mark is provided on the second handle.

[0012] The beneficial effects of the utility model are as follows: the patent replaces the need to rely on hemostatic forceps to open / close the airway during thoracic surgery. The mechanism of the patent can be operated with one hand, and one person can complete the airway opening / closing operation. The patent is simple and practical to operate, and the effect of closing the airway is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings:

[0014] Figure 1 is a schematic diagram of the three-dimensional structure of Example 1,

[0015] Figure 2 This is a schematic diagram of the explosion structure of Example 1.

[0016] Figure 3 This is a schematic diagram of the main structure of Example 1.

[0017] Figure 4 is a schematic diagram of the three-dimensional structure of Example 2,

[0018] Figure 5 This is a schematic diagram of the explosion structure of Example 2.

[0019] Figure 6 This is a schematic diagram of the main structure of Example 2.

[0020] In the figure: hammer joint 1, vent pipe 2, dial tee joint 3, machine end pipe 4, ring cover 5, boss 6, first position indicator 7, first handle 8, knob 9, blocking block 10, valve cover 11, second handle 12, second position indicator 13, flange 14, groove 15, vent hole 16, top block 17. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] A rotary bronchial double-lumen cannula joint includes a dial-type three-way joint 3. The two pipes at the upper end of the three-way joint 3 are connected to two hammer-shaped joints 1 through two ventilation pipes 2. The two ventilation pipes 2 are respectively for the left bronchus and the right bronchus. The pipe at the lower end of the three-way joint 3 is connected to the machine end pipeline 4. A switching valve body is provided in the three-way joint 3.

[0023] Example 1:

[0024] like Figures 1 to 3 As shown, the switching valve body includes a knob 9 disposed within the tee 3 and a ring cover 5 threadedly connected to the tee 3. A gap for airflow is provided between the outer wall of the knob 9 and the inner wall of the tee 3. A top block 17 extends from the outer wall of the knob 9, and a blocking block 10 is provided on the top block 17. The blocking block 10 abuts against the inner wall of the tee 3. A boss 6 is provided on the knob 9, and the boss 6 passes through the ring cover 5. A first handle 8 is provided on the boss 6. The ring cover 5 threadedly connected to the tee 3 facilitates assembly of the switching valve body and simultaneously seals and limits the knob 9.

[0025] The blocking block 10 is a hemispherical silicone block. The flexible hemispherical silicone block can firstly provide a better blocking effect and secondly remind the operator to rotate it into place.

[0026] A first position indicator mark 7 is provided on the first handle 8. The first position indicator mark 7 is used to indicate the position of the knob 9.

[0027] The working principle of embodiment 1 is: in thoracic surgery using a double-lumen bronchial tube, the multifunctional joint can be used to achieve unilateral ventilation, bilateral ventilation or closed ventilation by rotating the knob 9. Figure 3 As shown, when the first handle 8 is rotated to the 12 o'clock position, bilateral bronchial ventilation can be achieved; when the first handle 8 is rotated to coincide with the left bronchus of the dial-type three-way connector 3, right bronchial ventilation is achieved; when the first handle 8 coincides with the right bronchus of the dial-type three-way connector 3, left bronchial ventilation is achieved; when the first handle 8 coincides with the channel of the machine-end pipeline 4 of the dial-type three-way connector 3, bilateral bronchial closure is achieved.

[0028] Example 2:

[0029] Embodiment 2 provides another switching valve body structure, comprising a valve cover 11 disposed within a tee 3. A circumferential surface of the valve cover 11 is provided with vent holes 16 corresponding to the three connecting pipes of the tee 3. A flange 14 is provided on the circumferential surface of the valve cover 11, and a groove 15 is provided on the inner wall of the tee 3. The flange 14 engages within the groove 15. A second handle 12 is provided on the end surface of the valve cover 11. The flange 14 and the groove limit the rotation path of the valve cover 11, thereby achieving better sealing and serving as a post-assembly limiter.

[0030] A second position indicator 13 is provided on the second handle 12 .

[0031] The working principle of embodiment 2 is as follows: For the convenience of description, Figure 2 and 3 As shown, the three vents 16 are respectively set as vent 16A, vent 16B and vent 16C. In thoracic surgery using a double-lumen endobronchial tube, unilateral ventilation, bilateral ventilation or closed ventilation of the multifunctional joint can be achieved by rotating the valve cover 11. When the vent hole 16A in the valve cover 11 is rotated to the 12 o'clock position, the bilateral bronchi are closed; when the vent hole 16A of the valve cover 11 is rotated clockwise and connected to the left bronchus of the dial tee joint 3, the vent hole 16B also coincides with the channel 4 of the machine end pipe of the dial tee joint 3, thereby realizing ventilation of the left bronchus; when the vent hole 16A of the valve cover 11 is rotated counterclockwise and connected to the right bronchus of the dial tee joint 3, the vent hole 16C also coincides with the channel 4 of the machine end pipe of the dial tee joint 3, thereby realizing ventilation of the right bronchus; when the vent hole 16A of the rotating valve cover 11 coincides with the channel 4 of the machine end pipe of the dial tee joint 3, the vent holes 16B and the vent holes 16C also coincide with the left and right bronchus of the dial tee joint 3, thereby realizing ventilation of the bilateral bronchus.

[0032] The contents described in the embodiments of this specification are merely an enumeration of the implementation forms of the utility model concept. The protection scope of the utility model should not be regarded as limited to the specific forms described in the embodiments. The protection scope of the utility model also extends to equivalent technical means that can be thought of by those skilled in the art based on the concept of the utility model.

Claims

1. A rotary bronchial double-lumen cannula joint, characterized by: It comprises a dial-type three-way joint (3), wherein two pipes at the upper end of the three-way joint (3) are respectively connected to two hammer-shaped joints (1) through two ventilation pipes (2), and a pipe at the lower end of the three-way joint (3) is connected to a machine end pipeline (4), and a switching valve body is provided in the three-way joint (3).

2. The rotary bronchial double-lumen cannula connector according to claim 1, characterized in that: The switching valve body comprises a knob (9) arranged in the three-way joint (3) and a ring cover (5) threadedly connected to the three-way joint (3); a gap is provided between the outer wall of the knob (9) and the inner wall surface of the three-way joint (3); a top block (17) extends from the outer wall surface of the knob (9); a blocking block (10) is provided on the top block (17); the blocking block (10) abuts against the inner wall of the three-way joint (3); a boss (6) is provided on the knob (9); the boss (6) passes through the ring cover (5); and a first handle (8) is provided on the boss (6).

3. The rotary bronchial double-lumen cannula connector according to claim 2, characterized in that: The blocking block (10) is a hemispherical silica gel block.

4. The rotary bronchial double-lumen cannula connector according to claim 2, characterized in that: A first orientation indicator mark (7) is provided on the first handle (8).

5. The rotary bronchial double-lumen cannula connector according to claim 1, characterized in that: The switching valve body comprises a valve cover (11) arranged in the three-way joint (3), a vent hole (16) corresponding to the three connecting pipes of the three-way joint (3) is provided on the circumferential surface of the valve cover (11), a flange (14) is provided on the circumferential surface of the valve cover (11), a groove (15) is provided on the inner wall surface of the three-way joint (3), the flange (14) is inserted into the groove (15), and a second handle (12) is provided on the end surface of the valve cover (11).

6. The rotary bronchial double-lumen cannula connector according to claim 5, characterized in that: A second orientation indicator mark (13) is provided on the second handle (12).

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