CN118079111B

CN118079111B - Pleural effusion drainage device

Info

Publication number: CN118079111B
Application number: CN202410371408.3A
Authority: CN
Inventors: 陶莎; 鲁静; 李军; 李小青; 陈婷; 马鑫; 王振华
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2024-03-29
Filing date: 2024-03-29
Publication date: 2026-04-03
Anticipated expiration: 2044-03-29
Also published as: CN118079111A

Abstract

This invention relates to the field of drainage device technology, and more particularly to a pleural effusion drainage device, comprising a drainage bottle, a drainage tube and an aspiration tube installed on the drainage bottle, one end of the aspiration tube communicating with the interior of the drainage bottle, and the other end located outside the drainage bottle, one end of the drainage tube communicating with the interior of the drainage bottle, and the other end connected to a flow guiding device, the flow guiding device comprising a syringe, one end of the syringe having a hollow steel needle communicating with the interior of the syringe, the flow guiding device further comprising a push rod, one end of the push rod having a rubber stopper fixed thereto, the rubber stopper being located inside the syringe and slidably connected to the syringe; the rubber stopper having a first central hole and a structure for controlling the opening and closing of the first central hole; the push rod having a second central hole communicating with the first central hole, and the other end of the drainage tube communicating with the second central hole. This drainage device allows for drug administration and drainage with a single insertion of the hollow steel needle into the body.

Description

Drainage device for hydrothorax

Technical Field

The invention relates to the technical field of drainage devices, in particular to a hydrothorax drainage device.

Background

At present, pleural effusion drainage is an effective measure for pleural effusion treatment, wherein a commonly used drainage device is a drainage bottle type negative pressure drainage device, a drainage tube and an exhaust tube are arranged on a drainage bottle, the drainage tube is connected with a needle cylinder, a hollow steel needle communicated with the interior of the needle cylinder is arranged on the needle cylinder, when the drainage tube is used, the hollow steel needle penetrates into a human body to a effusion position, and the exhaust tube is connected with an air pump to exhaust air for the drainage bottle to generate negative pressure, so that effusion is led out.

When in actual use, the effusion in the chest cavity sometimes has the thick effusion condition, so that the effusion is not smooth to be led out, at the moment, a part of liquid medicine is needed to be injected into the effusion position by a special syringe or other devices to reduce the viscosity of the effusion, the drainage is convenient, and at least two devices are needed to complete the operation in the mode, and the effusion is respectively penetrated into the human body to the effusion position, so that the pain of a patient is increased. Whether a device capable of penetrating into a human body at one time to finish the drug adding and drainage operation can be designed or not is always studied by people.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a pleural effusion drainage device which aims to solve the technical problems.

The technical scheme of the invention is as follows:

The utility model provides a thorax hydrops drainage device, includes the drainage bottle, install drainage tube and exhaust tube on the drainage bottle, the one end of exhaust tube with the inside intercommunication of drainage bottle, the other end is located outside the drainage bottle, the one end of drainage tube with the inside intercommunication of drainage bottle, the other end is connected with guiding device, guiding device includes the cylinder, the hollow steel needle with the inside intercommunication of cylinder is installed to the one end of cylinder, guiding device still includes the push rod, the one end of push rod is fixed with the plug, the plug is located in the cylinder and with cylinder sliding connection, be provided with first centre bore and the structure that is used for controlling first centre bore switching on the plug, be provided with on the push rod with the second centre bore of first centre bore intercommunication, the other end of drainage tube with the second centre bore intercommunication.

Preferably, a side hole positioned at the outer side of the first center hole is circumferentially arranged on the rubber plug, an elastic sheet is arranged on one side, close to the hollow steel needle, of the rubber plug, the elastic sheet shields the first center hole and the side hole, a plurality of openings are circumferentially arranged on the elastic sheet, connecting portions are formed between the adjacent openings, one ends, which are not connected with the elastic sheet, of the connecting portions are connected with the rubber plug, so that the elastic sheet abuts against the rubber plug, a baffle is arranged at one end, far away from the hollow steel needle, of the needle cylinder, the other end of the push rod penetrates through the baffle, a distance is reserved between the baffle and the push rod, a support rod capable of being inserted into the side hole is arranged at the position, corresponding to the side hole, of the baffle, and the length of the support rod is larger than that of the side hole.

Preferably, the elastic sheet is a rubber sheet or a silicon sheet.

Preferably, the push rod is provided with anti-slip teeth, and the inner side surface of the baffle is provided with a plurality of anti-slip grooves for accommodating the anti-slip teeth.

Preferably, the distance from the anti-slip tooth to the rubber plug is smaller than or equal to the length of the supporting rod.

Preferably, the anti-slip teeth are obliquely arranged, and the included angle between one surface close to the rubber plug and the push rod is smaller than 90 degrees.

Preferably, the number of the anti-slip teeth is more than one, and the number of the anti-slip grooves is more than the number of the anti-slip teeth.

Preferably, the drainage tube is detachably connected with the push rod.

Preferably, the drainage tube is detachably connected with the drainage bottle.

When the drainage device for pleural effusion is used, if the pleural effusion of a patient has a sticky state, the first central hole can be controlled to be opened, the air pump is connected with one end of the air extraction pipe, which is positioned outside the drainage bottle, in advance, the negative pressure can be generated in the drainage bottle by opening the air pump, the effusion sequentially passes through the hollow steel needle, the first central hole, the second central hole and the drainage tube to reach the drainage bottle under the action of the negative pressure, and the drainage operation is completed, so that the hollow steel needle of the drainage device can be penetrated into a human body at one time to complete the medicine adding and the drainage operation.

Drawings

FIG. 1 is a schematic diagram of a hydrothorax drainage device according to an embodiment;

FIG. 2 is a schematic diagram of a flow guiding device;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic view of an arrangement of elastic sheets;

FIG. 5 is a second schematic diagram of a flow guiding device;

FIG. 6 is an enlarged view of FIG. 5 at B;

FIG. 7 is an enlarged view of FIG. 5 at C;

In the figure, a drainage bottle 1, a drainage tube 2, an exhaust tube 3, a needle cylinder 4, a hollow steel needle 5, a push rod 6, a rubber plug 7, a first central hole 8, a side hole 9, an elastic sheet 10, a notch 11, a connecting part 12, a second central hole 13, a baffle 14, a support rod 15, anti-slip teeth 16 and an anti-slip groove 17.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

1-4, The embodiment is a pleural effusion drainage device, including drainage bottle 1, install drainage tube 2 and exhaust tube 3 on the drainage bottle, the one end of exhaust tube with the inside intercommunication of drainage bottle, the other end is located the drainage bottle outside, the one end of drainage tube with the inside intercommunication of drainage bottle, the other end is connected with guiding device, guiding device includes cylinder 4 and push rod 6, the hollow steel needle 5 with the inside intercommunication of cylinder is installed to the one end of cylinder, the one end of push rod is fixed with plug 7, the plug is located in the cylinder and with cylinder sliding connection, be provided with first centre bore 8 and circumference and be provided with the side opening 9 that is located the outside of first centre bore on the plug, one side that the plug is close to hollow steel needle is provided with elastic sheet 10 in this embodiment, the elastic sheet can be rubber sheet or silica gel sheet, elastic sheet shelters from first centre bore and side opening, be provided with a plurality of openings 11 on the elastic sheet, form connecting portion 12 between the adjacent opening, the connecting portion with the side opening is located in the cylinder and the side opening length is located in the side opening that the side opening is close to the second centre bore is located to the side opening that the side opening is connected with the piston rod, the plug is connected with the piston top end, the plug is provided with the length that the side opening is connected with the centre of the piston 15.

When the pleural effusion drainage device is used, if the pleural effusion of a patient has a sticky state, a push rod can be pulled to extract part of liquid medicine and then push the push rod to be injected into the pleural effusion so as to reduce the viscosity of the pleural effusion, then the push rod is pulled until a support column is inserted into a side hole to jack up an elastic sheet, at the moment, the position of a notch is communicated with a first center hole, one end of an exhaust tube, which is positioned outside a drainage bottle, is connected with an air pump in advance, the air pump is opened so that negative pressure is generated in the drainage bottle, and effusion sequentially passes through a hollow steel needle, the notch, the first center hole, the second center hole and a drainage tube to reach the drainage bottle under the action of the negative pressure to finish drainage operation, and therefore, the hollow steel needle of the drainage device can be penetrated into a human body at one time to finish medicine adding and drainage operation.

As a preferred embodiment, referring to fig. 5 to 7, the push rod is provided with anti-slip teeth 16, and the inner side surface of the baffle is provided with a plurality of anti-slip grooves 17 for accommodating the anti-slip teeth. The distance from the anti-slip tooth to the rubber plug is preferably smaller than or equal to the length of the supporting rod. In this embodiment, the anti-slip teeth are preferably arranged in an inclined manner, and the included angle between the side close to the rubber plug and the push rod is smaller than 90 degrees. The number of the anti-skid teeth can be one or a plurality of anti-skid grooves is larger than that of the anti-skid teeth. When the push rod is pulled, the anti-slip teeth can sequentially enter the anti-slip grooves to prevent the first central hole from being blocked again due to reverse movement of the push rod after the support rod passes through the side holes, the structure also effectively prevents the situation that lawless persons are recycled and reused, and avoids the risk of cross infection of patients caused by the situation, in addition, the anti-slip teeth enter different anti-slip grooves to enable the lengths of the support rod passing through the side holes to be different, and further, the deformation sizes of the openings are different, so that the drainage speed can be adjusted in a grading mode, and the anti-slip device is suitable for the physical conditions of the patients.

As a preferred implementation mode, the drainage tube is detachably connected with the push rod, the drainage tube and the drainage bottle can be detachably connected, and a general plugging mode can be used, so that the needle cylinder and the push rod part can be conveniently separated, the drainage bottle can be reused after being cleaned, resources are saved, and the needle cylinder and the push rod part can directly extract effusion when effusion is less and in a non-viscous state, and the drainage tube is more convenient to use. Of course, when the liquid is less and in a non-viscous state, the drainage device can also be directly used, and the steps of extracting and injecting the liquid medicine are omitted.

It should be noted that the above embodiments are merely illustrative of the present application, and not limiting, for example, the flow guiding device may be another flow guiding device, and the opening and closing of the first central hole may be controlled by another structure, so long as the object of the present application is achieved.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. A pleural effusion drainage device, comprising a drainage bottle (1), wherein a drainage tube (2) and an aspiration tube (3) are installed on the drainage bottle, one end of the aspiration tube is connected to the interior of the drainage bottle, and the other end is located outside the drainage bottle; one end of the drainage tube is connected to the interior of the drainage bottle, and the other end is connected to a flow guiding device; the flow guiding device comprises a syringe (4), one end of which is fitted with a hollow steel needle (5) communicating with the interior of the syringe, characterized in that:

The flow guiding device also includes a push rod (6), one end of which is fixed with a rubber stopper (7), the rubber stopper being located inside the syringe and slidably connected to the syringe;

The rubber stopper is provided with a first central hole (8) and a structure for controlling the opening and closing of the first central hole;

The push rod is provided with a second central hole (13) that communicates with the first central hole, and the other end of the drainage tube is connected to the second central hole;

The rubber stopper is provided with a side hole (9) located outside the first central hole in the circumferential direction. An elastic sheet (10) is provided on the side of the rubber stopper near the hollow steel needle. The elastic sheet covers the first central hole and the side hole. The elastic sheet is provided with a plurality of notches (11) in the circumferential direction. A connecting part (12) is formed between adjacent notches. The end of the connecting part that is not connected to the elastic sheet is connected to the rubber stopper, so that the elastic sheet abuts against the rubber stopper.

A baffle (14) is provided at one end of the syringe away from the hollow steel needle. The other end of the push rod passes through the baffle. There is a gap between the baffle and the push rod. A support rod (15) that can be inserted into the side hole is provided on the baffle at the position corresponding to the side hole. The length of the support rod is greater than the length of the side hole. The elastic sheet is a rubber sheet or a silicone sheet.

2. The pleural effusion drainage device according to claim 1, characterized in that: the push rod is provided with anti-slip teeth (16), and the inner side of the baffle is provided with a plurality of anti-slip grooves (17) for accommodating the anti-slip teeth.

3. The pleural effusion drainage device according to claim 2, characterized in that: the distance from the anti-slip teeth to the rubber stopper is less than or equal to the length of the support rod.

4. A pleural effusion drainage device according to claim 2, characterized in that: the anti-slip teeth are inclined, and the angle between the side near the rubber stopper and the push rod is less than 90°.

5. A pleural effusion drainage device according to claim 2, characterized in that: there are multiple anti-slip teeth, and the number of anti-slip grooves is greater than the number of anti-slip teeth.

6. A pleural effusion drainage device according to claim 1, characterized in that: the drainage tube is detachably connected to the push rod.

7. A pleural effusion drainage device according to claim 1, characterized in that: the drainage tube is detachably connected to the drainage bottle.