CN217548647U

CN217548647U - Drainage tube

Info

Publication number: CN217548647U
Application number: CN202221014622.6U
Authority: CN
Inventors: 李云锋; 周宏伟; 张秋曼; 王杨林; 陈一凡
Original assignee: Jiangsu Sunride Medical Technology Co ltd
Current assignee: Jiangsu Sunride Medical Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-10-11
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a drainage tube, which comprises a tube body, wherein the tube body comprises a tube front part and a tube rear part which are connected together; the rear part of the pipe is internally provided with a first medium hole and a second medium hole which are axially communicated, and the cross section of the second medium hole is crescent; the front part of the pipe is provided with a third medium hole and at least one through groove, the pipe wall of the front part of the pipe is provided with a pipe wall groove communicated with the corresponding through groove, the third medium hole is communicated with the first medium hole, and the second medium hole is communicated with the through groove. The utility model discloses not only can compromise and wash and two kinds of functions of dosing, can not block up under negative pressure drainage or the pressurized moreover, avoid causing the phenomenon of the drainage inefficacy that leads to from this.

Description

Drainage tube

Technical Field

The utility model relates to a drainage tube.

Background

At present, a drainage tube in a traditional drainage device is of a cross-shaped structure, and is easy to shrink and block under negative pressure drainage or under pressure, so that the drainage failure phenomenon is caused; meanwhile, the function of the tube is single, and the functions of administration and flushing cannot be simultaneously met; moreover, the administration hole of the drainage tube in the prior art is generally axially through, and when the administration hole at the foremost end of the drainage tube is blocked, effective administration cannot be carried out; in addition, the developing part of the drainage tube is usually arranged on the tube wall, and the drainage tube of the structure is rotated to a certain angle, which is a phenomenon that the developing is not complete, so that an operator cannot confirm the actual position of the drainage tube in the body of the patient.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide a drainage tube, it not only can compromise and wash and dose two kinds of functions, can not block up under negative pressure drainage or the pressurized moreover, avoids causing the phenomenon of the drainage inefficacy that leads to from this.

In order to solve the technical problem, the technical scheme of the utility model is that: a drainage tube comprises a tube body, wherein the tube body comprises a tube front part and a tube rear part which are connected together; wherein,

a first medium hole and a second medium hole which are axially communicated are formed in the rear part of the pipe, and the cross section of the second medium hole is crescent;

the front part of the pipe is provided with a third medium hole and at least one through groove, the pipe wall of the front part of the pipe is provided with a pipe wall groove communicated with the corresponding through groove, the third medium hole is communicated with the first medium hole, and the second medium hole is communicated with the through groove.

Further, the third media hole and/or the through slot axially pass through the tube front.

Further, a plurality of ribs are arranged in the front portion of the pipe, the inner ends of the ribs are connected together, the outer ends of the ribs are connected with the pipe wall of the front portion of the pipe, the through grooves are formed by surrounding adjacent ribs and the pipe wall between the adjacent ribs, and pipe wall grooves communicated with the corresponding through grooves are correspondingly formed in the pipe wall between the adjacent ribs.

Further, on the pipe front portion, a region surrounded by a pair of adjacent ribs and a pipe wall between the pair of adjacent ribs is a solid region, and the third medium hole is formed in the solid region.

Furthermore, in order to improve the siphon effect to the maximum extent and improve the collecting capacity, the side surface of the rib which is enclosed into the through groove is connected with the inner side surface of the pipe wall to form a sharp-angled structure.

Furthermore, four ribs are arranged, namely a first rib, a second rib, a third rib and a fourth rib; wherein,

the area defined by the third rib, the fourth rib and the pipe wall between the third rib and the fourth rib is a solid area, and the third medium hole is formed in the solid area;

a through groove is respectively defined by the first rib, the second rib, the pipe wall between the first rib and the second rib, the third rib, the pipe wall between the second rib and the third rib, the fourth rib, the first rib, the pipe wall between the fourth rib and the first rib.

Further, in order to ensure that the developing lines can be irradiated at different angles in the using process, the actual position of the drainage tube in the body of the patient can be conveniently confirmed, wherein at least one rib is provided with the developing lines extending along the axial direction of the tube body.

Furthermore, in order to effectively increase the administration area and accelerate the healing of the wound of the patient, at least one through hole communicated with the third medium hole is formed in the tube wall of the front part of the tube.

Further, in order to accommodate the conventional open surgical use, the drainage tube further includes a guide needle partially inserted into a rear end portion of a rear portion of the tube.

Further, in order to adapt to the use of minimally invasive surgery, the drainage tube also comprises a guide wire which is at least partially inserted into a channel hole formed by the communication of the first medium hole and the third medium hole.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

1. the drainage tube is characterized in that a first medium hole and a third medium hole are formed in the drainage tube body and communicated with each other to form a channel hole, the channel hole can be used as an administration hole, a second medium hole and a through groove are further formed in the drainage tube body and used for flushing and/or drainage, the second medium hole is in a crescent shape, the second medium hole in the shape ensures that the drainage tube is always not completely blocked in the drainage process, and the phenomenon that drainage fails due to extrusion blocking cannot occur.

2. The side of the muscle that encloses into logical groove is connected with the medial surface of pipe wall and is formed the closed angle structure, and this closed angle structure can furthest's promotion siphon effect, and the collection ability is stronger than traditional cross drainage tube, and the effect is better.

3. The side surface of the tube is provided with a plurality of through holes communicated with the third medium hole, so that the situation that the medicine cannot be effectively administered after the front end of the third medium hole is blocked is prevented, namely under the condition that the front section is blocked, the medicine liquid can be administered from the side surface of the tube body; in addition, the side administration can effectively increase the administration area, namely the front end and the side can be fully administered, and the healing of the wound of the patient is accelerated.

4. The drainage tube development line setting mode is different from the tradition, and traditional drainage tube is established at the outer pipe wall, and this drainage tube is established on the muscle from the center to the development line of outer pipe wall promptly to along the axial extension setting of drainage tube body, guaranteed that different angles can both shine in the use, be convenient for confirm the drainage tube at the internal actual position of patient.

5. The utility model is provided with two modes in the process of placing the drainage tube, one mode is used for placing the tube in the traditional open operation, and a guide needle is arranged and is led in through the guide needle; the other is that a guide wire is configured in a minimally invasive operation, the guide wire is inserted into a channel hole, the rigidity of the drainage tube is enhanced, the drainage tube is conveniently sent into the body of a patient through a puncture cannula and the like, and the guide wire can be pulled out when the drainage tube reaches a specified position, so that the drainage tube is usually used for endoscopic surgery, sinus tract catheterization and the like.

Drawings

FIG. 1 is a perspective view of a drainage tube of the present invention;

FIG. 2 is a schematic cross-sectional view of the front portion of the tube of the present invention;

fig. 3 is a schematic cross-sectional view of the rear portion of the tube of the present invention;

FIG. 4 is a partial perspective view of the front portion of the tube of the present invention;

FIG. 5 is a perspective view of the drainage tube connection guide needle of the present invention;

fig. 6 is a perspective view of the guide wire of the present invention.

Detailed Description

In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.

Example one

As shown in fig. 1 to 4, a drainage tube comprises a tube body, wherein the tube body comprises a tube front part 11 and a tube rear part 12 which are connected together; wherein,

a first medium hole 12a and a second medium hole 12b which are axially communicated are formed in the rear part 12 of the pipe, and the cross section of the second medium hole 12b is crescent-shaped;

the tube front part 11 is provided with a third medium hole 11a and at least one through groove 11b, the tube wall of the tube front part 11 is provided with a tube wall groove 11c communicated with the corresponding through groove 11b, the third medium hole 11a is communicated with the first medium hole 12a, and the second medium hole 12b is communicated with the through groove 11b.

In this embodiment, a protruding block extends inwards from the inner wall of the pipe body, the outer side surface of the protruding block is arc-shaped and is used as a part for enclosing the second medium hole 12b, and the first medium hole 12a is arranged on the protruding block.

In the present embodiment, the third medium hole 11a and the through groove 11b axially penetrate the tube front portion 11.

Specifically, a plurality of ribs 11d are arranged in the tube front part 11, the inner ends of the ribs 11d are connected together, the outer ends of the ribs 11d are connected with the tube wall of the tube front part 11, the through grooves 11b are defined by the adjacent ribs 11d and the tube wall between the adjacent ribs 11d, and the tube wall between the adjacent ribs 11d is correspondingly provided with a tube wall groove 11c communicated with the corresponding through groove 11 b; specifically, the arc center angle corresponding to the tube wall slot 11c is smaller than the arc center angle between the two ribs 11 d; on the tube front part 11, a region surrounded by a pair of adjacent ribs 11d and a tube wall between the pair of adjacent ribs 11d is a solid region, and the third medium hole 11a is opened on the solid region.

In this embodiment, as shown in fig. 4, the following settings may be specifically set: the number of the ribs 11d is four, namely a first rib 11d1, a second rib 11d2, a third rib 11d3 and a fourth rib 11d4; wherein,

the area defined by the pipe walls between the third rib 11d3 and the fourth rib 11d4 and between the third rib 11d3 and the fourth rib 11d4 is a solid area, and the third medium hole 11a is formed in the solid area;

a first rib 11d1, a second rib 11d2, a pipe wall between the first rib 11d1 and the second rib 11d2, a pipe wall between the second rib 11d2, the third rib 11d3, a pipe wall between the second rib 11d2 and the third rib 11d3, a fourth rib 11d4, a first rib 11d1, a pipe wall between the fourth rib 11d4 and the first rib 11d1 enclose a through groove 11b respectively.

In this embodiment, a first medium hole 12a and a third medium hole 11a are arranged in the drainage tube body to form a channel hole, the channel hole can be used as an administration hole, and a second medium hole 12b and a through groove 11b are also arranged to be used for flushing and/or drainage, the second medium hole 12b is in a crescent shape, and the second medium hole 12b in the crescent shape ensures that the crescent hole cannot be completely blocked all the time in the drainage process of the drainage tube, namely, the phenomenon that drainage fails due to extrusion blocking cannot occur.

Specifically, the first medium hole 12a and the third medium hole 11a are connected to form a passage hole, so that when the drainage tube is used, a medicine can be injected into the passage hole, the medicine can be directly administered at a focus part, and the intravenous infusion type systemic medicine is avoided. When the drainage tube is fixedly kept in the subcutaneous tissue, fixed-point administration can be realized; when the drainage tube is used in a body cavity, the position of the drainage tube is likely to move due to intestinal peristalsis and the like, but the omentum majus and surrounding tissues are quickly wrapped to play a certain fixing role, and in addition, if the moving range is not large, the fixed-point administration can be basically realized by adjusting the body position and flowing and covering liquid medicine; in addition, when the drainage tube is kept in subcutaneous tissue, a proper amount of local anesthetic can be injected through the channel hole, so that the tissue around the drainage tube is anesthetized and the tube is painless pulled out; in addition, in the case of the medical solution irrigation after the operation, a large amount of medical solution can be input through the second medium hole 11a to infiltrate and irrigate the focus. When the drainage tube is blocked and needs to be flushed and dredged by liquid medicine, the liquid medicine can be input through the second medium hole 11a to dredge the drainage tube.

Example two

The structure of this embodiment is substantially the same as that of the first embodiment, except that: at least one of the ribs 11d is provided with a developing line extending in the axial direction of the tube. The developing line can ensure that the drainage tube can be irradiated at different angles in the using process, and the actual position of the drainage tube in the patient body can be conveniently confirmed.

EXAMPLE III

As shown in fig. 4, the structure of this embodiment is substantially the same as that of the first embodiment or the second embodiment, except that: on the basis of the first embodiment or the second embodiment, the following structures are added: the pipe wall of the pipe front part 11 is provided with at least one through hole 11e communicated with the third medium hole 11 a. In the present embodiment, two through holes 11e are provided, but not limited thereto. The side surface of the tube is provided with a plurality of through holes 11e which are communicated with the third medium hole 11a, so that the situation that the medicine cannot be effectively administered after the front end of the third medium hole 11a is blocked, namely the medicine can be administered from the side surface of the tube body under the condition that the front end is blocked is prevented; in addition, the lateral administration can effectively increase the administration area, namely, the front end and the lateral side can be fully administered, and the healing of the wound of the patient is accelerated.

Example four

As shown in fig. 4, the structure of the present embodiment is substantially the same as any one of the first to third embodiments, except that: the following structure is added to any one of the first to third embodiments: the side surface of the rib 11d which encloses the through groove 11b is connected with the inner side surface of the pipe wall to form a sharp angle structure. This closed angle structure can furthest's promotion siphon effect, and the collection ability is stronger than traditional cross drainage tube, and the effect is better.

EXAMPLE five

As shown in fig. 5, the present embodiment adds the following structure on the basis of the above embodiment: the drainage tube of the present embodiment further comprises a guide needle 2 partially inserted into the rear end portion of the tube rear portion 12;

or the following structures are added: the drainage tube of the present embodiment further includes a guide wire 3 at least partially inserted into a passage hole formed by the first medium hole 12a and the third medium hole 11a in communication.

The utility model is provided with two modes in the process of placing the drainage tube, one mode is used for placing the tube in the traditional open operation, and the drainage tube is provided with the guide needle 2 and is led in through the guide needle 2; the other is that a guide wire 3 is configured in a minimally invasive surgery, the guide wire 3 is inserted into a channel hole, the rigidity of the drainage tube is enhanced, the drainage tube is conveniently conveyed into the body of a patient through a puncture cannula and the like, and the guide wire can be pulled out when the drainage tube reaches a specified position, so that the minimally invasive surgery is generally used for endoscopic surgery, sinus catheterization and the like.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A drainage tube, characterized in that it comprises a tube body comprising a tube front portion (11) and a tube rear portion (12) connected together; wherein,

a first medium hole (12 a) and a second medium hole (12 b) which are axially communicated are formed in the rear part (12) of the pipe, and the cross section of the second medium hole (12 b) is crescent;

the pipe front part (11) is provided with a third medium hole (11 a) and at least one through groove (11 b), a pipe wall groove (11 c) communicated with the corresponding through groove (11 b) is formed in the pipe wall of the pipe front part (11), the third medium hole (11 a) is communicated with the first medium hole (12 a), and the second medium hole (12 b) is communicated with the through groove (11 b).

2. The draft tube of claim 1,

the third medium openings (11 a) and/or the through grooves (11 b) axially penetrate the tube front (11).

3. The draft tube of claim 1,

the pipe is characterized in that a plurality of ribs (11 d) are arranged in the pipe front part (11), the inner ends of the ribs (11 d) are connected together, the outer ends of the ribs (11 d) are connected with the pipe wall of the pipe front part (11), the through grooves (11 b) are formed by surrounding of the adjacent ribs (11 d) and the pipe wall between the adjacent ribs (11 d), and pipe wall grooves (11 c) communicated with the corresponding through grooves (11 b) are correspondingly formed in the pipe wall between the adjacent ribs (11 d).

4. The draft tube of claim 3,

on the pipe front part (11), a region defined by a pair of adjacent ribs (11 d) and a pipe wall between the pair of adjacent ribs (11 d) is a solid region, and the third medium hole (11 a) is formed in the solid region.

5. The draft tube of claim 3,

the side surface of the rib (11 d) which encloses the through groove (11 b) is connected with the inner side surface of the pipe wall to form a sharp-angled structure.

6. The draft tube of claim 3,

the number of the ribs (11 d) is four, namely a first rib (11 d 1), a second rib (11 d 2), a third rib (11 d 3) and a fourth rib (11 d 4); wherein,

the area defined by the pipe walls between the third rib (11 d 3) and the fourth rib (11 d 4) and between the third rib (11 d 3) and the fourth rib (11 d 4) is a solid area, and the third medium hole (11 a) is formed in the solid area;

a through groove (11 b) is formed by the first rib (11 d 1), the second rib (11 d 2) and the pipe wall between the first rib (11 d 1) and the second rib (11 d 2);

a through groove (11 b) is formed by the second rib (11 d 2), the third rib (11 d 3) and the pipe wall between the second rib (11 d 2) and the third rib (11 d 3);

the fourth rib (11 d 4), the first rib (11 d 1) and the pipe wall between the fourth rib (11 d 4) and the first rib (11 d 1) form a through groove (11 b).

7. The draft tube of claim 1,

wherein at least one rib (11 d) is provided with a developing line extending along the axial direction of the tube body.

8. The draft tube of claim 1,

the pipe wall of the pipe front part (11) is provided with at least one through hole (11 e) communicated with the third medium hole (11 a).

9. The draft tube of claim 1,

also included is an introducer needle (2) partially inserted into the rear end of the tube rear portion (12).

10. The draft tube of claim 1,

the guide wire (3) is at least partially inserted into a channel hole formed by communicating the first medium hole (12 a) and the third medium hole (11 a).