CN215690311U - Thoracic closed drainage puncture device - Google Patents

Abstract

The utility model discloses a closed thoracic drainage puncture device which comprises a puncture catheter, a puncture needle, an injector and a drainage bag, wherein the puncture needle is positioned inside the puncture catheter, the puncture catheter comprises a connecting end and a puncture end, the puncture end is bent into an arc shape in a natural state, and the needle point of the puncture needle penetrates from the connecting end to the puncture end and extends out of the puncture end, and has a preset guide distance with the puncture end; the connecting end is fixedly connected with a three-way joint, a first joint of the three-way joint is fixedly connected with the connecting end of the puncture catheter, a second joint of the three-way joint is detachably connected with the injector, and a third joint of the three-way joint is detachably connected with the drainage bag.

Description

Thoracic closed drainage puncture device

Technical Field

The utility model relates to an operation device, in particular to a closed thoracic drainage puncture device.

Background

Closed thoracic drainage is one of the longest medical procedures. Closed thoracic drainage is a drainage tube with one end placed in the thoracic cavity and the other end connected to a drainage bag or a water-sealed bottle positioned lower than the drainage tube, so as to discharge air or collect fluid in the thoracic cavity, and the lung tissue is opened again to restore the function. The traditional Chinese medicine composition is widely applied to drainage of blood chests, pneumothorax and empyema and after thoracotomy as a treatment means, and plays an important role in treating diseases.

However, a central venous tube, a pigtail tube and the like are commonly used in clinic at present, puncture needs to be firstly inserted into a puncture needle, a guide wire is inserted after pleural fluid is pumped, the puncture needle is pulled out, and then a drainage tube is left on the guide wire, so that the operation process is relatively troublesome, the operation time is long, pneumothorax and pleural reaction and the like are easily caused, and the use is inconvenient.

Therefore, how to provide a thoracic closed drainage puncture device which is convenient to use and simple to operate is a problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a closed thoracic drainage puncture device which is convenient to use and simple to operate and reduces pain of a patient.

In order to achieve the purpose, the utility model adopts the following technical scheme: a thoracic cavity closed drainage puncture device comprises a puncture catheter, a puncture needle, an injector and a drainage bag, wherein the puncture needle is positioned inside the puncture catheter, the puncture catheter comprises a connecting end and a puncture end, the puncture end is bent into an arc shape in a natural state, and a needle point of the puncture needle penetrates from the connecting end to the puncture end and extends out of the puncture end, and a preset guide distance is reserved between the needle point and the puncture end; the connecting end is fixedly connected with a three-way joint, a first joint of the three-way joint is fixedly connected with the connecting end of the puncture catheter, a second joint of the three-way joint is detachably connected with the injector, and a third joint of the three-way joint is detachably connected with the drainage bag.

The utility model has the beneficial effects that: because the puncture catheter is in a curved arc shape in a natural state, the puncture needle enters the interior of the puncture catheter, the puncture catheter is temporarily straightened, the puncture catheter enters the interior of a human body under the guiding action of the puncture needle and retracts to the puncture needle, the puncture catheter is kept in the human body and is connected with a syringe or a drainage bag to drain effusion, and the next treatment is carried out. The operation is simple and the efficiency is high.

Preferably, a plurality of inlets are arranged on two side walls of the puncture catheter along the axial direction.

Preferably, the puncture catheter and the puncture needle are provided with scale marks.

Preferably, the predetermined guide distance between the needle tip of the puncture needle and the end of the puncture tip is 0.5 cm.

Preferably, the puncture catheter has a length of 15cm corresponding to the state that the puncture needle enters the straightening state.

Preferably, the second connector is detachably connected with a knob closing cap; the third joint is connected with one end of a transition guide pipe, and the other end of the transition guide pipe is provided with a knob closing cap.

Preferably, the drainage bag further comprises a thumb clamp, the thumb clamp is connected to the transition guide pipe, and the transition guide pipe is connected with the connecting pipe of the drainage bag.

Preferably, the puncture end is provided with a necking section, and the peripheral diameter size of the necking section is gradually reduced from the connecting end to the puncture end.

Preferably, the clamp comprises a clamp handle, and the clamp handle is fixedly connected to the tee joint.

Preferably, the puncture catheter is made of rubber.

Drawings

FIG. 1 is a first schematic view of a closed thoracic drainage puncture device according to the present invention;

FIG. 2 is a second schematic view of a closed thoracic drainage puncture device of the present invention;

fig. 3 is a schematic view of a puncture catheter of a closed thoracic drainage puncture device of the utility model.

1 puncture catheter, 101 connecting end, 102 puncture end, 2 puncture needle, 3 injector, 4 drainage bag, 5 three-way joint, 501 first joint, 502 second joint, 503 third joint, 6 inlet, 7 graduation line, 8 knob closing cap, 9 thumb clamp and 10 clamp handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3 of the drawings, a thoracic closed drainage puncture device according to an embodiment of the present invention includes a puncture catheter 1, a puncture needle 2, an injector 3, and a drainage bag 4, wherein the puncture needle 2 is located inside the puncture catheter 1, the puncture catheter 1 includes a connection end 101 and a puncture end 102, the puncture end 102 is curved in an arc shape in a natural state, and a needle tip of the puncture needle 2 penetrates from the connection end to the puncture end and extends out, and has a predetermined guide distance from the puncture end; the connecting end 101 is fixedly connected with a three-way joint 5, a first joint 501 of the three-way joint is fixedly connected with the connecting end of the puncture catheter 1, a second joint 502 of the three-way joint is detachably connected with the injector 3, and a third joint 503 of the three-way joint is detachably connected with the drainage bag 4.

The puncture catheter is in a curved arc shape in a natural state, so that the injury of lung tissues when the puncture catheter is kept in the human body can be avoided.

In some embodiments, the puncture catheter 1 has a plurality of inlets 6 on both axial side walls thereof to facilitate drainage of accumulated fluid or flatulence inside the thoracic cavity.

In other embodiments, the catheter 1 and the needle 2 are marked with graduations 7 to indicate the depth and location of the catheter.

In other embodiments, the predetermined guide distance d between the tip of the needle 2 and the end of the piercing tip 102 is 0.5 cm. The guiding function of the puncture needle is exerted.

In other embodiments, the length L of the puncture catheter 1 corresponding to the state in which the puncture needle 2 is straightened is 15 cm.

In other embodiments, a knob closure cap 8 is detachably connected to the second joint 502; the third joint 503 is connected with one end of the transition guide tube, the other end of the transition guide tube is provided with a knob closing cap, the knob closing cap is unscrewed and can be connected with an injector or a drainage bag, the knob closing cap is closed after drainage is finished, and the puncture catheter is kept in the human body, so that the damage to a patient during next puncture can be avoided.

In other embodiments, the medical drainage bag further comprises a thumb clamp 9, the thumb clamp 9 is connected to a transition guide pipe, the transition guide pipe is connected with a connecting pipe of the drainage bag 4, and the thumb clamp can control drainage and is convenient to use the drainage bag.

Specifically, the puncture end 102 is provided with a necking section, the peripheral diameter size of the necking section is gradually reduced from the connecting end to the puncture end, and the necking section is convenient for being matched with the puncture needle, so that the outer wall of the puncture needle is tightly attached to the inner wall of the puncture catheter, and the puncture catheter is convenient to feed into.

More specifically, still include clamp holder 10, clamp holder 10 fixed connection is on three way connection 5, and the clamp holder can lead puncture catheter and get into and paste on skin with the sticky tape after the human body, perhaps uses medical suture needle to sew up in order to fix the pipe on skin, stabilizes puncture catheter, prevents puncture catheter slippage rotation, avoids causing the secondary damage to the patient.

More specifically, the puncture catheter 1 is made of a rubber material.

The utility model relates to a thoracic closed drainage puncture device, which comprises the following steps:

firstly, the puncture needle is matched with the puncture catheter, the puncture needle inside serves as a guide wire, the needle core and the puncture catheter outside are combined together during puncture, the length of the needle core protrudes out of the puncture end by 0.5cm, during puncture, the whole device punctures the thoracic cavity, after an injector extracts pleural effusion from the needle core, the pipe outside is also in the thoracic cavity at the moment, the needle can be inserted by 0.5cm again, the puncture needle exits a part, at the moment, the puncture catheter is placed into a certain depth again, the puncture needle is extracted by a corresponding depth, according to the operation, the whole pipe is gradually placed into the thoracic cavity, the puncture needle is gradually extracted, the support of the puncture needle is omitted, the puncture catheter is naturally bent, the whole pipe outside is made of soft rubber materials, and when the puncture needle is left in a human body, the lung tissue is prevented from being damaged. The scale marks of the puncture needle and the puncture catheter are convenient for medical staff to measure the puncture depth.

The traditional puncture process needs to firstly probe into a puncture needle, the guide wire is inserted after the puncture needle sucks pleural effusion, the puncture needle is pulled out, and then a drainage tube is reserved on the guide wire, so that the operation process is relatively troublesome, the operation time is long, pneumothorax and pleural reaction are easily caused, and the like. The device is simple to use, high in efficiency and relatively safe.

For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The closed thoracic drainage puncture device is characterized by comprising a puncture catheter (1), a puncture needle (2), an injector (3) and a drainage bag (4), wherein the puncture needle (2) is positioned inside the puncture catheter (1), the puncture catheter (1) comprises a connecting end (101) and a puncture end (102), the puncture end (102) is bent into an arc shape in a natural state, and a needle point of the puncture needle (2) penetrates from the connecting end to the puncture end and extends out of the puncture end, and has a preset guide distance with the puncture end; the connecting end (101) is fixedly connected with a three-way joint (5), a first joint (501) of the three-way joint is fixedly connected with the connecting end of the puncture catheter (1), a second joint (502) of the three-way joint is detachably connected with the injector (3), and a third joint (503) of the three-way joint is detachably connected with the drainage bag (4).

2. A closed thoracic drainage puncture device according to claim 1, wherein a plurality of inlets (6) are formed on both side walls of the puncture catheter (1) in the axial direction thereof.

3. The closed thoracic drainage puncture device according to claim 1, wherein the puncture catheter (1) and the puncture needle (2) have graduation marks (7).

4. A closed thoracic drainage puncture device according to claim 1, wherein the predetermined guide distance between the needle tip of the puncture needle (2) and the end of the puncture tip (102) is 0.5 cm.

5. The closed thoracic drainage puncture device according to claim 1, wherein the puncture catheter (1) has a length of 15cm corresponding to the state where the puncture needle (2) is straightened.

6. A closed thoracic drainage puncture device according to claim 1, wherein a knob closure cap (8) is detachably connected to the second connector (502); and the third joint (503) is connected with one end of a transition guide pipe, and the other end of the transition guide pipe is provided with a knob closing cap.

7. The closed thoracic drainage puncture device according to claim 6, further comprising a thumb clamp (9), wherein the thumb clamp (9) is connected to the transition guide tube, and the transition guide tube is connected to the connection tube of the drainage bag (4).

8. The closed thoracic drainage puncture device according to claim 1, wherein the puncture tip (102) is provided with a necking portion, and the peripheral diameter of the necking portion is gradually reduced from the connecting end to the puncture tip.

9. The closed thoracic drainage puncture device according to claim 1, further comprising a holder (10), wherein the holder (10) is fixedly connected to the three-way joint (5).

10. A closed thoracic drainage puncture device according to claim 1, wherein the puncture catheter (1) is made of rubber.

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