Device capable of being used for releasing stent in airway

Abstract

The utility model discloses a device capable of being used for releasing a stent in an airway, which belongs to the technical field of medical instruments and comprises a catheter, a bearing tube and a pushing tube, the bearing tube penetrates into the catheter in a sliding manner, the pushing tube penetrates into the bearing tube in a sliding manner, an airway stent is embedded in an insertion end of the bearing tube, and the airway stent is inserted into the pushing tube. An operation head is arranged at the outer end of the catheter, a first scale strip is arranged on the surface of the end, close to the operation head, of the bearing tube, a second scale strip is arranged on the surface of the end, close to the operation head, of the pushing tube, a ventilation tube is arranged on the side, located on the bearing tube, in the catheter, and an inflation tube is arranged on the other side, located on the bearing tube, in the catheter. The surface of the catheter is fixedly sleeved with an air bag, and one end of the inflation tube is communicated with the air bag. Through the cooperation of the catheter, the bearing tube and the pushing tube, the airway stent can be pushed into the airway of a patient, so that implantation of the airway stent is completed, operation is convenient and fast, time is saved, and the operation risk is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and in particular relates to a device that can be used for releasing a stent in an airway. Background Art

[0002] Severe large airway stenosis can cause ventilation difficulties and even lead to airway obstruction and suffocation. It is often necessary to release the airway stent immediately to open the airway. The complexity and high risk of releasing the airway stent have hindered the development of this technology. Stent placement has great clinical value, but it also has high risks and requires skilled techniques. Therefore, it is very important to make the operation simpler and safer.

[0003] The existing Chinese patent with announcement number CN217745281 U discloses an auxiliary ventilation catheter for airway stent implantation, including: a main catheter, side tubes are respectively arranged on both sides of the main catheter and a joint is arranged at the inlet, a guide wire channel and an oxygen channel are arranged inside the main catheter, the joint is connected to the guide wire channel and the side tube is connected to the oxygen channel, a plurality of groups of deformation strips are arranged in the inner wall interlayer of the main catheter and the deformation strips are made of metal material, a plurality of groups of side holes are arranged on the surface of the insertion end of the main catheter and the side holes are connected to the oxygen channel, and a threaded hole is arranged inside the joint.

[0004] With respect to the above-mentioned related technologies, the inventors have found that there are at least the following problems in the technologies: in the prior art, it is necessary to first insert a guide wire, then insert a stent inserter along the guide wire, and then insert the airway stent into the airway along the stent inserter. The operation is relatively cumbersome, takes a long time, and increases the operation risk. Utility Model Content

[0005] The purpose of the utility model is to provide a device that can be used for releasing a stent in an airway to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for releasing an airway stent, comprising a catheter, a carrier tube and a push tube, wherein the carrier tube slides through the catheter, the push tube slides through the carrier tube, an airway stent is embedded in the insertion end of the carrier tube, an operating head is provided at the outer end of the catheter, a first scale bar is provided on the surface of one end of the carrier tube close to the operating head, and a second scale bar is provided on the surface of one end of the push tube close to the operating head;

[0007] A ventilation tube is provided inside the catheter at one side of the supporting tube, an inflation tube is provided inside the catheter at the other side of the supporting tube, an air bag is fixedly sleeved on the surface of the catheter, and one end of the inflation tube is connected to the air bag.

[0008] As a preferred embodiment, the ends of the supporting tube and the pushing tube close to the operating head are fixedly connected with a handle.

[0009] As a preferred implementation, a camera lens is provided at one end of the catheter away from the operating head.

[0010] As a preferred embodiment, a ventilation joint connected to a ventilation pipe is provided on one side of the operating head.

[0011] As a preferred embodiment, an inflation nozzle connected to the inflation tube is provided on one side of the operating head.

[0012] As a preferred implementation, the first scale bar is arranged along the length direction of the supporting tube, and the second scale bar is arranged along the length direction of the pushing tube.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The device for releasing the stent in the airway is provided with the cooperation of the catheter, the carrying tube and the pushing tube. During operation, the catheter only needs to be inserted into the patient's airway. When the catheter reaches the lesion position, the carrying tube is pushed to extend along the catheter into the patient's airway. At the same time, the position of the carrying tube is determined according to the first scale bar. When the carrying tube reaches the lesion position, the pushing tube is pushed to extend along the carrying tube into the patient's airway. At the same time, the position of the pushing tube is determined according to the second scale bar, so that the pushing tube pushes the airway stent into the patient's airway, thereby completing the placement of the airway stent. The operation is convenient, time is saved, and the operation risk is reduced.

[0015] The device, which can be used for releasing the stent in the airway, is provided with a ventilation tube and a ventilation joint. When a catheter is inserted into the patient's airway, the ventilation joint is connected to the oxygen supply device, and the patient's breathing is assisted by the ventilation tube; an inflation tube, an air bag and an inflation nozzle are provided. After the catheter is inserted into the patient's airway, the inflation nozzle is connected to the inflation device, and the air bag is inflated through the inflation tube to expand the air bag and abut against the inner wall of the airway. The catheter is fixed by the air bag to ensure the stability of the catheter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0019] In the figure: 1. catheter; 2. supporting tube; 3. pushing tube; 4. airway stent; 5. operating head; 6. first scale bar; 7. second scale bar; 8. ventilation tube; 9. inflation tube; 10. airbag; 11. handle; 12. camera lens; 13. ventilation connector; 14. inflation nozzle. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0022] See also Figure 1-3 The utility model provides a device for releasing an airway stent, comprising a catheter 1, a carrier tube 2 and a push tube 3. The carrier tube 2 slides and penetrates into the catheter 1, and the push tube 3 slides and penetrates into the carrier tube 2. An airway stent 4 is embedded in the insertion end of the carrier tube 2. The airway stent 4 is elastic, and the airway stent 4 is elastically abutted against the inner wall of the carrier tube 2. An operating head 5 is provided at the outer end of the catheter 1, and a first scale bar 6 is provided on the surface of the carrier tube 2 near the operating head 5. The first scale bar 6 is arranged along the length direction of the carrier tube 2, and a second scale bar 7 is provided on the surface of the push tube 3 near the operating head 5. The second scale bar 7 is arranged along the length direction of the push tube 3. When the airway stent 4 and the push tube 3 are aligned with the inner end of the catheter 1, The zero mark of the first scale bar 6 is aligned with the outer end surface of the operating head 5, and the zero mark of the second scale bar 7 is aligned with the outer end surface of the supporting tube 2. By setting the coordination of the catheter 1, the supporting tube 2 and the pushing tube 3, during operation, it is only necessary to insert the catheter 1 into the patient's airway. When the catheter 1 reaches the lesion position, the supporting tube 2 is pushed to extend along the catheter 1 into the patient's airway. At the same time, the position of the supporting tube 2 is judged according to the first scale bar 6. When the supporting tube 2 reaches the lesion position, the pushing tube 3 is pushed to extend along the supporting tube 2 into the patient's airway. At the same time, the position of the pushing tube 3 is judged according to the second scale bar 7, so that the pushing tube 3 pushes the airway stent 4 into the patient's airway, thereby completing the placement of the airway stent 4. The operation is convenient, time is saved, and operation risks are reduced.

[0023] Furthermore, one end of the supporting tube 2 and the pushing tube 3 close to the operating head 5 is fixedly connected with a handle 11 , and the setting of the handle 11 facilitates the operation of the supporting tube 2 and the pushing tube 3 .

[0024] Furthermore, a camera lens 12 is provided at one end of the catheter 1 away from the operating head 5. The camera lens 12 is connected to an external display device via a communication cable. Through the setting of the camera lens 12, the situation in the airway can be photographed in real time, making it convenient to observe the internal situation and perform accurate operations.

[0025] Reference Figure 2 and Figure 3 A ventilation tube 8 is provided on one side of the carrier tube 2 inside the catheter 1, and a ventilation joint 13 connected to the ventilation tube 8 is provided on one side of the operating head 5. By providing the ventilation tube 8 and the ventilation joint 13, when the catheter 1 is inserted into the patient's airway, the ventilation joint 13 is connected to the oxygen supply equipment, and the patient's breathing is assisted by the ventilation tube 8; an inflation tube 9 is provided on the other side of the carrier tube 2 inside the catheter 1, and an inflation nozzle 14 connected to the inflation tube 9 is provided on one side of the operating head 5. An airbag 10 is fixedly sleeved on the surface of the catheter 1, and one end of the inflation tube 9 is communicated with the airbag 10. By providing the inflation tube 9, the airbag 10 and the inflation nozzle 14, after the catheter 1 is inserted into the patient's airway, the inflation nozzle 14 is connected to the inflation equipment, and the airbag 10 is inflated through the inflation tube 9, so that the airbag 10 expands and abuts against the inner wall of the airway, and the catheter 1 is fixed by the airbag 10 to ensure the stability of the catheter 1.

[0026] The working principle and use process of the utility model are as follows: first, by setting the coordination of the catheter 1, the supporting tube 2 and the pushing tube 3, during operation, it is only necessary to insert the catheter 1 into the patient's airway. When the catheter 1 reaches the lesion position, the supporting tube 2 is pushed to extend along the catheter 1 into the patient's airway, and at the same time, the position of the supporting tube 2 is determined according to the first scale bar 6. When the supporting tube 2 reaches the lesion position, the pushing tube 3 is pushed to extend along the supporting tube 2 into the patient's airway, and at the same time, the position of the pushing tube 3 is determined according to the second scale bar 7, so that the pushing tube 3 pushes the airway stent 4 into the patient's airway, thereby completing the placement of the airway stent 4, which is convenient to operate, saves time, and reduces operation risks;

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for releasing a stent in an airway, comprising a catheter (1), a carrier tube (2) and a push tube (3), characterized in that: The support tube (2) is slidably inserted into the catheter (1), the push tube (3) is slidably inserted into the support tube (2), an airway stent (4) is embedded in the insertion end of the support tube (2), an operating head (5) is provided at the outer end of the catheter (1), a first scale bar (6) is provided on the surface of the support tube (2) near the operating head (5), and a second scale bar (7) is provided on the surface of the push tube (3) near the operating head (5); A ventilation tube (8) is provided inside the catheter (1) on one side of the supporting tube (2), an inflation tube (9) is provided inside the catheter (1) on the other side of the supporting tube (2), an air bag (10) is fixedly sleeved on the surface of the catheter (1), and one end of the inflation tube (9) is connected to the air bag (10).

2. A device for releasing a stent in an airway according to claim 1, characterized in that: The ends of the supporting tube (2) and the pushing tube (3) close to the operating head (5) are both fixedly connected with a handle (11).

3. A device for releasing a stent in an airway according to claim 1, characterized in that: A camera lens (12) is provided at one end of the catheter (1) away from the operating head (5).

4. A device for releasing a stent in an airway according to claim 1, characterized in that: A ventilation joint (13) connected to the ventilation pipe (8) is provided on one side of the operating head (5).

5. The device for releasing a stent in an airway according to claim 1, characterized in that: An inflation nozzle (14) connected to the inflation tube (9) is provided on one side of the operating head (5).

6. A device for releasing a stent in an airway according to claim 1, characterized in that: The first scale bar (6) is arranged along the length direction of the supporting tube (2), and the second scale bar (7) is arranged along the length direction of the pushing tube (3).

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