CN216855360U

CN216855360U - Thoracic cavity irrigation drainage catheter and thoracic cavity catheter assembly

Info

Publication number: CN216855360U
Application number: CN202122885806.1U
Authority: CN
Inventors: 张安兵; 梁剑平; 夏秀琼; 张银英; 刘宇霞
Original assignee: Zhongshan Peoples Hospital
Current assignee: Zhongshan Peoples Hospital
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-07-01
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a thoracic cavity irrigation drainage catheter and also discloses a thoracic cavity catheter assembly. The thoracic cavity irrigation drainage catheter comprises a drainage catheter body, wherein a bent section is arranged at the front end of the drainage catheter body, a first connecting pipe and a second connecting pipe are arranged at the rear end of the drainage catheter body, a first channel and a second channel which are respectively communicated with the first connecting pipe and the second connecting pipe are arranged in the drainage catheter body, a pipe orifice communicated with the first channel is arranged at the end part of the bent section, and a plurality of through holes communicated with the second channel are arranged on the pipe wall at the front end of the drainage catheter body.

Description

Thoracic cavity irrigation drainage catheter and thoracic cavity catheter assembly

[ technical field ] A method for producing a semiconductor device

The utility model particularly relates to a thoracic cavity irrigation drainage catheter and also relates to a thoracic cavity catheter assembly.

[ background of the utility model ]

The pleural intubation drainage is a common medical means in modern medical treatment, a catheter is inserted into a pleural cavity through a small incision, pleural effusion is drained, a fibrinolytic drug and the like are required to be injected into the pleural cavity through a pleural catheter sometimes for treating symptoms such as packaged empyema, and physiological saline is required to be injected into the pleural cavity through the pleural catheter sometimes for cleaning the pleural cavity, so that the catheter for drainage is required to be connected with liquid medicine or physiological saline for injecting the drug or the physiological saline, and the difficulty of operation and the injury of a patient are increased by using a plurality of catheters simultaneously, so that the existing medical means has a great space for improvement.

The present invention has been made in view of the above-mentioned disadvantages.

[ Utility model ] content

The utility model aims to overcome the defects of the prior art and provides the thoracic cavity irrigation drainage catheter which is convenient and fast to operate and improves the operation efficiency.

The utility model is realized through the following technical scheme:

the thoracic cavity washing drainage catheter comprises a drainage catheter body, wherein a bent section is arranged at the front end of the drainage catheter body, a first connecting pipe and a second connecting pipe which are divided into two parts are arranged at the rear end of the drainage catheter body, a first channel and a second channel which are respectively communicated with the first connecting pipe and the second connecting pipe are arranged in the drainage catheter body, a pipe orifice communicated with the first channel is formed in the end part of the bent section, and a plurality of through holes communicated with the second channel are formed in the pipe wall of the front end of the drainage catheter body.

The thoracic cavity irrigation drainage catheter is characterized in that a blocking part is arranged in the drainage catheter body, and the blocking part divides the inner cavity of the drainage catheter body into a first channel and a second channel.

The thoracic cavity washing drainage catheter is characterized in that the drainage catheter body is a circular tube, the section of the blocking part is arc-shaped, and the blocking part and the wall of the drainage catheter body enclose a first channel with a circular section and a second channel with a crescent section.

The through holes of the thoracic cavity irrigation drainage catheter are arranged in a row along the length direction of the catheter, and at least two rows are arranged along the circumferential direction of the catheter.

According to the thoracic cavity irrigation drainage catheter, the first connecting pipe and the second connecting pipe are respectively provided with the first switch valve and the second switch valve for controlling on-off.

The thoracic cavity irrigation drainage catheter is characterized in that the end part of the bending section is provided with an incision for obliquely cutting the end part of the bending section into a tip.

A thoracic duct assembly, comprising: the drainage catheter comprises a drainage catheter body, wherein the front end of the drainage catheter body is provided with a bent section, the rear end of the drainage catheter body is provided with a first bifurcated connecting pipe and a second bifurcated connecting pipe, a first channel and a second channel which are respectively communicated with the first connecting pipe and the second connecting pipe are arranged in the drainage catheter body, the end part of the bent section is provided with a pipe orifice communicated with the first channel, and the pipe wall of the front end of the drainage catheter body is provided with a plurality of through holes communicated with the second channel; the drainage bottle comprises a drainage bottle body, a third connecting pipe detachably connected with the first connecting pipe is arranged at the front end of the drainage bottle body, and a drainage pipe and a third switch valve for controlling the on-off of the drainage pipe are arranged at the rear end of the drainage bottle body; the front end of the physiological saline bag is provided with a fourth connecting pipe which is detachably connected with the second connecting pipe.

According to the thoracic duct assembly, the detachable connecting structure is arranged between the third connecting pipe and the drainage bottle body.

As above thorax catheter subassembly, detachable connection structure including establishing the pullover on the third connecting pipe, drainage bottle body on be provided with the plug that can insert the pullover, the plug front end be equipped with the annular, the pullover be equipped with can block the bulge loop in the annular.

According to the thoracic duct assembly, the plug is provided with the sealing ring at the rear part of the clamping groove.

Compared with the prior art, the utility model has the following advantages:

1. the bending section of the utility model is inserted into the pleural cavity of a patient, the first connecting pipe is used for connecting the medical tube of the drainage device, the thoracic drainage is carried out according to the traditional means, when the medicine or the normal saline needs to be injected into the pleural cavity of the patient, the first connecting pipe is used for connecting the medicine or the normal saline, the second connecting pipe is used for the medical pipe of the drainage device, so that the medicine or the physiological saline is injected from the pipe orifice through the first channel, and simultaneously the liquid in the pleural cavity enters the second channel through the through hole and flows out from the second connecting pipe, therefore, the drainage can be performed while injecting, and the injected liquid flows out through the through hole at a shallow position after being injected into a deeper position through the pipe orifice, so that the catheter is used for multiple purposes without frequently replacing the catheter, and a plurality of catheters are not required to be used simultaneously, thereby saving the operation time, facilitating the operation, simplifying the whole operation process and improving the efficiency.

2. The first connecting pipe and the second connecting pipe are respectively provided with a first switch valve and a second switch valve for controlling the on-off, so that the first switch valve or the second switch valve can be closed, and the first connecting pipe and the first channel or the second connecting pipe and the second channel can be independently used.

3. The normal saline or the medicine in the normal saline bag is injected into the pleural cavity of the patient from the pipe orifice, and meanwhile, the liquid in the pleural cavity of the patient is drained from the through hole, so that the liquid can be injected and drained at the same time, the operation is more convenient, and the operation efficiency is improved.

[ description of the drawings ]

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a first embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a partial sectional view of a first embodiment of the present invention;

FIG. 5 is a perspective view of a second embodiment of the present invention;

FIG. 6 is a schematic perspective view of a drainage bottle according to a second embodiment of the present invention;

fig. 7 is a sectional view of the detachable connection structure of the second embodiment of the present invention.

[ detailed description ] embodiments

The utility model is further described with the following figures:

the orientations described in the specification, such as "upper", "lower", "left", "right", "front", "back", and the like, are based on the orientation of the drawings, and are intended to describe relationships between respective components, and do not indicate unique or absolute positional relationships between respective components, and are only one embodiment of the present invention, and are not limited to the embodiment thereof.

The first embodiment is as follows:

as shown in fig. 1 to 4, a thoracic cavity irrigation drainage catheter comprises a drainage catheter body 1, wherein a bending section 11 is arranged at the front end of the drainage catheter body 1, a first connecting pipe 12 and a second connecting pipe 13 which are divided into two parts are arranged at the rear end of the drainage catheter body, the bending section 11 is inserted into a pleural cavity of a patient when the thoracic cavity irrigation drainage catheter is used, so that the bending section 11 is stable and is not easy to fall off in the pleural cavity, a first channel 101 and a second channel 102 which are respectively communicated with the first connecting pipe 12 and the second connecting pipe 13 are arranged in the drainage catheter body 1, a pipe opening 14 communicated with the first channel 101 is arranged at the end part of the bending section 11, a plurality of through holes 15 communicated with the second channel 102 are arranged on the pipe wall at the front end of the drainage catheter body 1, when thoracic cavity drainage is needed, the bending section 11 is inserted into the pleural cavity of the patient, the first connecting pipe 12 is used for connecting a medical pipe of a drainage device, and the thoracic cavity drainage is carried out according to the traditional means, when medicine or normal saline need to be injected into the pleural cavity of a patient, the first connecting pipe 12 is used for connecting the medicine or the normal saline, the second connecting pipe 13 is used for a medical tube of the drainage device, the medicine or the normal saline is injected from the tube opening 14 through the first channel 101, meanwhile, liquid in the pleural cavity enters the second channel 102 through the through hole 15 and flows out from the second connecting pipe 13, so that the liquid can be injected and the drainage can be carried out at the same time, the injected liquid flows out through the through hole 15 at a shallow position after being injected into the deep position through the tube opening 14, the catheter is used for multiple purposes without frequent replacement, a plurality of catheters are not needed to be used at the same time, the operation time is saved, the operation is convenient, the whole operation flow is simplified, and the efficiency is improved.

In more detail, as shown in fig. 2 and 3, the drainage catheter body 1 is provided with a baffle 16 in the middle pipe section, and the baffle 16 divides the inner cavity of the drainage catheter body 1 into a first channel 101 and a second channel 102, so that the catheter structure is simplified, the production and the application are convenient, and the production cost is reduced.

Preferably, as shown in fig. 3, the drainage catheter body 1 is a circular tube, the blocking portion 16 has a circular arc-shaped cross section, and the blocking portion 16 and the wall of the drainage catheter body 1 enclose a first channel 101 with a circular cross section and a second channel 102 with a crescent-shaped cross section, so that the wall resistance of the second channel 102 of the first channel 101 is reduced, and the catheter is easy to bend and deform.

Preferably, as shown in fig. 2 and 3, the through holes 15 are arranged in rows along the length direction of the tube, and at least two rows are arranged along the circumferential direction of the tube, and the second channel 102 with the crescent-shaped cross section is matched to make the distribution area of the through holes 15 larger, prevent the tissue from blocking the through holes 15 and the suction wall of the through holes 15, and ensure smooth guiding.

As a preferable scheme, as shown in fig. 1, in order to fix the catheter, a buckle 17 is arranged in the middle of the drainage catheter body 1 for being clamped on other catheters or on a hospital bed fence.

Preferably, as shown in fig. 1, the first connection pipe 12 and the second connection pipe 13 are respectively provided with a first switch valve 121 and a second switch valve 131 for controlling on/off, so that the first switch valve 121 or the second switch valve 131 can be closed, the first connection pipe 12 and the first channel 101 are used alone, or the second connection pipe 13 and the second channel 102 are used alone.

Preferably, the end of the curved section 11 shown in fig. 1 and 2 is provided with a cut 17 that is formed by obliquely cutting the end of the curved section 11 into a tip, and the cut 17 is provided with rounded corners to facilitate insertion of the curved section 11 into the pleural cavity of the patient.

Example two:

a thoracic duct assembly, as shown in fig. 5, comprises a drainage duct body 1, a drainage bottle 2 and a physiological saline bag 3:

the drainage catheter comprises a drainage catheter body 1, wherein a bent section 11 is arranged at the front end of the drainage catheter body 1, a first bifurcated connecting pipe 12 and a second bifurcated connecting pipe 13 are arranged at the rear end of the drainage catheter body 1, a first channel 101 and a second channel 102 which are respectively communicated with the first connecting pipe 12 and the second connecting pipe 13 are arranged in the drainage catheter body 1, a pipe orifice 14 communicated with the first channel 101 is arranged at the end part of the bent section 11, and a plurality of through holes 15 communicated with the second channel 102 are arranged on the pipe wall of the front end of the drainage catheter body 1;

the drainage bottle 2 comprises a drainage bottle body 21, a third connecting pipe 22 detachably connected with the first connecting pipe 12 is arranged at the front end of the drainage bottle body 21, as shown in fig. 5, the first connecting pipe 12 and the third connecting pipe 22 are detachably connected through a threaded joint, a liquid discharge pipe 23 and a third on-off valve 24 for controlling the on-off of the liquid discharge pipe 23 are arranged at the rear end of the drainage bottle body 21, the third on-off valve 24 is opened to discharge drainage liquid of the drainage bottle 2, and the third on-off valve 24 is closed to replace the drainage bottle 2;

the front end of the saline bag 3 is provided with a fourth connection tube 31 detachably connected to the second connection tube 13, and as shown in fig. 5, the second connection tube 13 and the fourth connection tube 31 are detachably connected by a screw joint.

Normal saline or medicine in the normal saline water bag 3 pour into the pleural cavity of the patient from the mouth of pipe 14, and the liquid in the pleural cavity of the patient flows out from the through-hole 15 simultaneously to can pour into simultaneously drainage simultaneously, make the operation more convenient, improve operation efficiency.

Preferably, as shown in fig. 6, a detachable connecting structure 25 for connecting the third connecting tube 22 and the drainage bottle body 21 is provided between the third connecting tube and the drainage bottle body 21, so that the drainage bottle body 21 can be replaced conveniently.

More specifically, as shown in fig. 7, the detachable connecting structure 25 includes a sleeve 211 disposed on the third connecting pipe 22, a plug 221 capable of being inserted into the sleeve 211 is disposed on the drainage bottle body 21, an annular groove 222 is disposed at the front end of the plug 221, and the sleeve 211 is provided with a convex ring 212 capable of being snapped into the annular groove 222.

More specifically, as shown in fig. 6 and 7, the plug 221 is provided with a sealing ring 26 behind the groove 222.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A thoracic cavity irrigation drainage catheter is characterized in that: including drainage catheter body (1), drainage catheter body (1) front end be equipped with bend section (11) and the rear end is equipped with first connecting pipe (12) and second connecting pipe (13), drainage catheter body (1) in be equipped with respectively with first passageway (101) and second passageway (102) of first connecting pipe (12) and second connecting pipe (13) intercommunication, bend section (11) tip be equipped with mouth of pipe (14) of first passageway (101) intercommunication, the pipe wall of drainage catheter body (1) front end on be equipped with through-hole (15) a plurality of and second passageway (102) intercommunication.

2. The chest irrigation drainage catheter of claim 1, wherein: the drainage catheter is characterized in that a blocking part (16) is arranged in the drainage catheter body (1), and the blocking part (16) divides an inner cavity of the drainage catheter body (1) into a first channel (101) and a second channel (102).

3. The chest irrigation drainage catheter of claim 2, wherein: the drainage catheter body (1) is a circular tube, the cross section of the blocking part (16) is arc-shaped, and the blocking part (16) and the wall of the drainage catheter body (1) are enclosed to form a first channel (101) with a circular cross section and a second channel (102) with a crescent cross section.

4. The chest irrigation drainage catheter of claim 3, wherein: the through holes (15) are arranged in rows along the length direction of the tube, and at least two rows are arranged along the circumferential direction of the tube.

5. The chest irrigation drainage catheter of any of claims 1-4, wherein: the first connecting pipe (12) and the second connecting pipe (13) are respectively provided with a first switch valve (121) and a second switch valve (131) for controlling on-off.

6. The chest irrigation drainage catheter of any of claims 1-4, wherein: the end part of the bending section (11) is provided with a notch (17) which obliquely cuts the end part of the bending section (11) into a tip.

7. A thoracic duct assembly, comprising:

the drainage catheter comprises a drainage catheter body (1), wherein a bent section (11) is arranged at the front end of the drainage catheter body (1), a first connecting pipe (12) and a second connecting pipe (13) which are bifurcated are arranged at the rear end of the drainage catheter body, a first channel (101) and a second channel (102) which are respectively communicated with the first connecting pipe (12) and the second connecting pipe (13) are arranged in the drainage catheter body (1), a pipe orifice (14) communicated with the first channel (101) is arranged at the end part of the bent section (11), and a plurality of through holes (15) communicated with the second channel (102) are formed in the pipe wall of the front end of the drainage catheter body (1);

the drainage bottle (2) comprises a drainage bottle body (21), a third connecting pipe (22) detachably connected with the first connecting pipe (12) is arranged at the front end of the drainage bottle body (21), and a liquid discharge pipe (23) and a third on-off valve (24) for controlling the on-off of the liquid discharge pipe (23) are arranged at the rear end of the drainage bottle body (21);

the front end of the physiological saline bag (3) is provided with a fourth connecting pipe (31) which is detachably connected with the second connecting pipe (13).

8. The thoracic catheter assembly of claim 7, wherein: a detachable connecting structure (25) for connecting the third connecting pipe (22) and the drainage bottle body (21) is arranged between the third connecting pipe and the drainage bottle body.

9. The thoracic catheter assembly of claim 8, wherein: detachable connecting structure (25) including establishing pullover (211) on third connecting pipe (22), drainage bottle body (21) on be provided with plug (221) that can insert pullover (211), plug (221) front end be equipped with annular (222), pullover (211) be equipped with can block bulge loop (212) in annular (222) into.

10. The thoracic catheter assembly of claim 9, wherein: and a sealing ring (26) is arranged behind the annular groove (222) of the plug (221).