CN209952018U

CN209952018U - Improved pericardiocentesis drainage catheter

Info

Publication number: CN209952018U
Application number: CN201920555766.4U
Authority: CN
Inventors: 田乃亮; 李小波
Original assignee: Nanjing First Hospital
Current assignee: Nanjing First Hospital
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-17
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to the drainage catheter technical field, in particular to an improved pericardiocentesis drainage catheter, which comprises a fixing patch, wherein the top surface of the fixing patch is closely bonded with a fixer, a drainage catheter is arranged in the fixer, a puncture needle is arranged in the drainage catheter, and the bottom end of the puncture needle is tied with a guide wire; this modified pericardium puncture drainage catheter is through the littleer pjncture needle of size and the seal wire that is equipped with, make medical personnel when performing the operation, the situation that the pjncture needle mistake is worn the heart and is caused the damage has been reduced, simultaneously through the fixer that is equipped with, make drainage catheter can be at better puncture wound department of fixing at the patient, avoided drainage catheter fixed unstability to lead to the patient to receive the situation of secondary injury, the gas pocket that is equipped with simultaneously, the breathing freely of operation incision department skin has been strengthened, the emergence of pressing the sore situation has been avoided, the design is humanized, the problem of current drainage catheter for pericardium puncture lacks corresponding fixing device has been solved.

Description

Improved pericardiocentesis drainage catheter

Technical Field

The utility model relates to the technical field of drainage catheters, in particular to an improved pericardiocentesis drainage catheter.

Background

The pericardiocentesis is a measure for confirming diagnosis and an emergency treatment measure for relieving pericardial tamponade when effusion, hematocele or empyema exists in a pericardial cavity, on one hand, the existing pericardiocentesis needle and a guide wire are thick in size, and are easy to puncture the heart to cause injury when being matched with a drainage tube for operation, and on the other hand, the existing drainage catheter for pericardiocentesis lacks a corresponding fixing device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved pericardiocentesis drainage catheter to solve the problem that the current drainage catheter for pericardiocentesis who proposes in the above-mentioned background art lacks corresponding fixing device.

In order to achieve the above object, the utility model provides a following technical scheme:

an improved pericardiocentesis drainage catheter comprises a fixing patch, wherein a fixer is tightly bonded to the top surface of the fixing patch, a drainage catheter is arranged in the fixer, a puncture needle is arranged in the drainage catheter, and a guide wire is tied to the bottom end of the puncture needle.

The fixing paste is provided with a plurality of air holes at equal intervals in an annular shape, and the bottom surface of the fixing paste is tightly bonded with a double-sided adhesive tape.

The fixing device is characterized in that a through hole is formed in the fixing device, two grooves are formed in the outer wall of the circumference of the fixing device and are distributed in a staggered mode, a limiting hole is formed in the inner wall of each groove and is communicated with the outside, a push block is arranged in each groove, a round hole is formed in each push block, a limiting column is tightly bonded to one side wall of each push block, and a spring is sleeved on each limiting column.

The diameter of the puncture needle is 0.8mm, and the diameter of the guide wire is 0.6 mm.

Preferably, a plurality of limiting grooves are formed in the inner wall of the round hole.

Preferably, the limiting column is connected with the limiting hole in a sliding mode.

Preferably, the drainage catheter passes through the through hole and the round hole respectively.

Preferably, one end of the spring is tightly bonded with the inner wall of the groove, and the other end of the spring is tightly bonded with one side wall of the push block.

Preferably, the size of the push block is matched with the size of the groove.

Preferably, a plurality of the air holes are distributed in an annular shape at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: this modified pericardium puncture drainage catheter is through the littleer pjncture needle of size and the seal wire that is equipped with, make medical personnel when performing the operation, the situation that the pjncture needle mistake is worn the heart and is caused the damage has been reduced, simultaneously through the fixer that is equipped with, make drainage catheter can be at better puncture wound department of fixing at the patient, avoided drainage catheter fixed unstability to lead to the patient to receive the situation of secondary injury, the gas pocket that is equipped with simultaneously, the breathing freely of operation incision department skin has been strengthened, the emergence of pressing the sore situation has been avoided, the design is humanized, the problem of current drainage catheter for pericardium puncture lacks corresponding fixing device has been solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the middle fixing device of the present invention;

FIG. 3 is a sectional view of the fastener of the present invention;

fig. 4 is a schematic structural view of the middle push block of the present invention.

In the figure: 1. fixing and sticking; 11. air holes; 2. a holder; 21. a through hole; 22. a groove; 23. a through hole; 24. a push block; 241. a circular hole; 242. a limiting groove; 243. a limiting column; 244. a spring; 3. a drainage catheter; 4. puncturing needle; 5. a guide wire; 6. and (4) double-sided adhesive tape.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

An improved pericardiocentesis drainage catheter is shown in figures 1 to 4 and comprises a fixing paste 1, a fixer 2 is tightly adhered to the top surface of the fixing paste 1, a drainage catheter 3 is arranged in the fixer 2, a puncture needle 4 is arranged in the drainage catheter 3, a guide wire 5 is tied to the bottom end of the puncture needle 4, a plurality of air holes 11 are formed in the fixing paste 1 at equal intervals in an annular shape, a double-sided adhesive tape 6 is tightly adhered to the bottom surface of the fixing paste 1, a through hole 21 is formed in the fixer 2, two grooves 22 are formed in the circumferential outer wall of the fixer 2, the grooves 22 are distributed in a staggered manner, the inner wall of each groove 22 is provided with a limiting hole 23, the limiting holes 23 are communicated with the outside, a push block 24 is arranged in each groove 22, the push block 24 is provided with a round hole 241, a limiting column 243 is tightly bonded to one side wall of each push block 24, a spring 244 is sleeved on each limiting column 243, the diameter of the puncture needle 4 is 0.8mm, and the diameter of the guide wire 5 is 0.6 mm.

Specifically, a plurality of limiting grooves 242 are formed in the inner wall of the circular hole 241, and the plurality of limiting grooves 242 can increase the friction force between the drainage catheter 3 and the circular hole 241, so that the drainage catheter 3 can be fixed better.

Specifically, the limiting post 243 is slidably connected to the limiting hole 23, and when the user presses the pushing block 24, the pushing block 24 moves inward along the groove 22, at this time, the spring 244 is compressed, and the limiting post 243 enters the limiting hole 23.

Specifically, the drainage catheter 3 passes through the through hole 21 and the round hole 241 respectively, and under the action of the through hole 21 and the round hole 241 on the push block 24, the drainage catheter 3 can be better fixed on the fixator 2.

Specifically, one end of the spring 244 is tightly adhered to the inner wall of the groove 22, the other end of the spring 244 is tightly adhered to one side wall of the push block 24, when the drainage catheter 3 is fixed by a user, the user presses the push block 24, the spring 244 is compressed, and when the drainage catheter 3 is placed in the circular hole 241, the drainage catheter 3 is fixed under the elastic force of the spring 244.

Further, the size of the push block 24 is matched with that of the groove 22, so that the push block 24 can be better matched with the groove 22 for use, and the drainage catheter 3 can be fixed conveniently.

In addition, a plurality of gas pockets 11 are the annular equidistant distribution, and a plurality of gas pockets 11 are convenient for the ventilative of operation incision skin, prevent the emergence of pressure sore.

When the improved pericardiocentesis drainage catheter of the embodiment is used, a user firstly pierces the puncture needle 4 into the pericardium of a patient through a surgical incision, then the user puts the drainage catheter 3 into the pericardium along the puncture needle 4, then the user puts the other end of the drainage catheter 3 through the limiting hole 23 on the fixer 2, meanwhile, the user presses the push block 24, the push block 24 moves inwards in the groove 22, the limiting column 243 slides in the limiting hole 23, the spring 244 is compressed at the same time, the drainage catheter 3 passes through the round hole 241, when the user loosens the push block 24, the spring 244 rebounds, the drainage catheter 3 is fixed, and finally the user withdraws the puncture needle 4 from the drainage catheter 3 through the guide wire 5.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved pericardiocentesis drainage catheter, includes fixed subsides (1), its characterized in that: a fixer (2) is tightly bonded on the top surface of the fixing patch (1), a drainage catheter (3) is arranged in the fixer (2), a puncture needle (4) is arranged in the drainage catheter (3), and a guide wire (5) is tied at the bottom end of the puncture needle (4);

a plurality of air holes (11) are formed in the fixing paste (1) at equal intervals in an annular shape, and a double-sided adhesive tape (6) is tightly adhered to the bottom surface of the fixing paste (1);

the fixing device is characterized in that a through hole (21) is formed in the fixing device (2), two grooves (22) are formed in the outer wall of the circumference of the fixing device (2), the grooves (22) are distributed in a staggered mode, a limiting hole (23) is formed in the inner wall of each groove (22), the limiting hole (23) is communicated with the outside, a push block (24) is arranged in each groove (22), a round hole (241) is formed in each push block (24), a limiting column (243) is tightly bonded to one side wall of each push block (24), and a spring (244) is sleeved on each limiting column (243);

the diameter of the puncture needle (4) is 0.8mm, and the diameter of the guide wire (5) is 0.6 mm.

2. The improved pericardial puncture drainage catheter of claim 1, wherein: the inner wall of the round hole (241) is provided with a plurality of limiting grooves (242).

3. The improved pericardial puncture drainage catheter of claim 1, wherein: the limiting column (243) is connected with the limiting hole (23) in a sliding mode.

4. The improved pericardial puncture drainage catheter of claim 1, wherein: the drainage catheter (3) penetrates through the through hole (21) and the round hole (241) respectively.

5. The improved pericardial puncture drainage catheter of claim 1, wherein: one end of the spring (244) is tightly adhered to the inner wall of the groove (22), and the other end of the spring (244) is tightly adhered to one side wall of the push block (24).

6. The improved pericardial puncture drainage catheter of claim 1, wherein: the size of the push block (24) is matched with that of the groove (22).

7. The improved pericardial puncture drainage catheter of claim 1, wherein: the air holes (11) are distributed in an annular shape at equal intervals.