CN218853326U

CN218853326U - Exempt from interface that convenient change drainage tube of disinfection

Info

Publication number: CN218853326U
Application number: CN202221949948.8U
Authority: CN
Inventors: 张雯; 乔攀; 魏博涛; 马翠安
Original assignee: TIANJIN CHILDREN'S HOSPITAL
Current assignee: TIANJIN CHILDREN'S HOSPITAL
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-04-14
Anticipated expiration: 2032-07-27

Abstract

The application discloses a connector free of disinfection and convenient for replacing a drainage tube, which comprises a connector body; the interface body comprises a main pipe and an auxiliary pipe arranged on the outer side of the main pipe, and the main pipe is connected with the auxiliary pipe; the first end of the main pipe is provided with a conical interface; the second end of the main pipe is provided with an external structure, and the external structure is movably connected with the second end of the main pipe; through the mode of this kind of setting up a plurality of interfaces, during the use, begin to insert the drainage tube from the second end of being responsible for, then change to being responsible for first end gradually, insert the auxiliary line with new drainage tube respectively to reduce the drainage tube and pollute the probability, reduce the change time.

Description

Exempt from interface that convenient change drainage tube of disinfection

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to avoid disinfecting and conveniently change interface of drainage tube for one kind.

Background

The drainage tube is a medical appliance for clinical surgery drainage, which guides pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body, prevents postoperative infection and promotes wound healing. The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. Surgical drainage is used for guiding pus, blood and liquid accumulated in human tissues or body cavities to the outside of a body, and preventing postoperative infection and influencing wound healing.

Replacement of the post-operative drainage tube is one of the most basic and frequent care tasks after spinal surgery, and is typically performed at least once a day. The main operation flow is as follows: the original drainage tube is pulled out, the interface is disinfected repeatedly, a new drainage tube is inserted into the original interface again, the whole replacement process consumes less time for 2-3 minutes and more time for 3-5 minutes, the accumulated time consumed by tens of patients is very large, the working time is prolonged, and the workload is increased. In addition, the drainage tube of a patient can be contacted inevitably in the replacement process, the drainage tube is easy to be polluted, cross infection is easy to occur, and the infection probability of medical personnel is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an avoid the convenient interface of changing the drainage tube of disinfection, can shorten the time that the drainage tube was changed to the single, both solved the long problem of consuming time when changing the drainage tube at present, also can effectively avoid appearing changing the problem that the in-process easily leads to cross infection.

Further, at least 1 auxiliary pipe is arranged; when the number of the auxiliary pipes is more than 1, the auxiliary pipes are arranged at equal intervals along the outer side of the main pipe; the arrangement is convenient for operation, a new drainage tube is directly inserted into the auxiliary tube, and an old drainage tube which is inserted and needs to be replaced is pulled out and thrown away.

Further, the second end of the main pipe is in threaded connection with an external structure, and the external structure is a nut; the outer side of the main pipe is provided with an external thread matched with the external structure, and the inner side wall of the nut is provided with an internal thread matched with the external thread; the arrangement can effectively ensure the stability of the connection between the main pipe and the external structure and also ensure the use flexibility. The connection mode of the main pipe and the external structure comprises but is not limited to threaded connection, and can also be other structures which are convenient to connect and disassemble and can ensure the connection stability, such as plug-in connection, buckle connection and the like.

Further, the screw cap comprises a first fixing layer and a second fixing layer, and the second ends of the first fixing layer and the second fixing layer are integrally connected through a connecting plate; first ends of the first fixing layer and the second fixing layer are provided with first grooves; the inside wall of second fixed layer is provided with the internal thread.

Further, the second end of the main pipe comprises a third fixing layer and a fourth fixing layer, and one ends, far away from the second end of the main pipe, of the third fixing layer and the fourth fixing layer are integrally connected; a second groove for the first fixing layer to extend into and fix is reserved between the third fixing layer and the fourth fixing layer; and an external thread matched with the internal thread for use is arranged on the outer side of the fourth fixing layer. Stretch into the second recess with first fixed bed through this kind of mode, the fourth fixed bed stretches into first recess, recycles the cooperation of internal thread and external screw thread, guarantees the nut and is responsible for the stable connection.

Further, the length of the external thread and/or the internal thread ranges from 8 to 12 mm; preferably, the length of the external and/or internal thread is 10 mm.

Further, the outer diameter of the second end of the main pipe ranges from 10 to 16 mm; preferably, the length of the outer diameter of the second end of the main tube is 13 mm.

Further, the outer diameter of the circumscribed structure ranges from 11 to 17 mm; preferably, the outer diameter of the circumscribed structure is 14 mm.

Furthermore, an external connection structure is arranged at the free end of the auxiliary pipe and is movably connected with the auxiliary pipe. The connection mode of the external connection structure and the auxiliary pipe refers to the connection mode of the main pipe and the external connection structure.

Furthermore, the included angle between the center line of the auxiliary pipe and the center line of the main pipe is 15-90 degrees; preferably, the angle between the center line of the secondary pipe and the center line of the primary pipe is 30 °.

Further, the inner diameter of the first end of the conical interface ranges from 2 to 6 mm; preferably, the tapered interface first end has an inner diameter of 4 mm.

Further, the outer diameter of the conical interface ranges from 3 to 7 mm; preferably, the outer diameter of the tapered interface is 5 mm.

Further, the length of the conical interface ranges from 20 to 30 mm; preferably, the tapered interface has a length of 25 mm.

Further, the inner diameter of the main pipe ranges from 7 to 11 mm; preferably, the main tube has an inner diameter of 9 mm.

Further, the outer diameter of the main pipe ranges from 8 to 12 mm; preferably, the outer diameter of the main tube is 10 mm.

Further, the length of the main pipe ranges from 100 to 140 mm; preferably, the length of the main tube is 120 mm.

Furthermore, the size relation between the inner diameter of the main pipe and the inner diameter of the auxiliary pipe is not limited, and the main pipe and the auxiliary pipe can be consistent and universal, and can also be manufactured into pipe orifices with different diameters.

Furthermore, the main pipe and the auxiliary pipe are made of rubber, soft and light materials; the material not only avoids pricking injury to patients, but also is convenient for workers to squeeze, thereby removing old hematocele, keeping the interior of the device clean and reducing infection probability.

Further, the conical interface is made of hard material.

Furthermore, the external structure is made of hard materials.

The utility model has the advantages that: 1. the device is connected with the drainage tube from the far end and then gradually replaced towards the near end, so that the pollution probability of the drainage tube is reduced; 2. when the drainage tube is replaced, the screw cap adjacent to the fork opening is firstly unscrewed, and a new drainage tube is directly inserted without disinfection. The original drainage tube is directly pulled out, and then the taken-down screw cap is screwed into the fork opening to tightly seal the fork opening, so that the drainage tube is prevented from overflowing, and retrograde infection caused by the invasion of external bacteria and the like into the drainage tube is avoided. By analogy, the replacement is quick, and the time consumption of each replacement can be reduced to tens of seconds. The working efficiency is increased, and the working risk is reduced. 3. The main body bifurcation channel of the device is made of rubber soft materials, and the device can also be used as a common bifurcation interface, such as a bifurcation interface of an aspirator in spinal surgery.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

FIG. 2 is a front view of the present invention;

fig. 3 is a perspective view of a front view structure of the present invention;

FIG. 4 is a sectional view of the second end of the main pipe and the external structure of the present invention;

in the figure, 1, main pipe; 11. a tapered interface; 12. a third fixed layer; 13. a fourth fixed layer; 14. a second groove; 2. a secondary pipe; 21. a nut; 211. a first fixed layer; 212. a second fixed layer; 213. a connecting plate; 214. a first groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation modes, under the circumstances of conflict-free, the characteristics in following embodiment and the embodiment can the intercombination, based on the embodiment of the utility model provides a, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the scope of the utility model protection.

Fig. 1 is a schematic view of an overall structure provided in the present embodiment, fig. 2 is a schematic view of a front view structure provided in the present embodiment, and fig. 3 is a perspective view of the front view structure provided in the present embodiment;

the application discloses a connector free of disinfection and convenient for replacing a drainage tube, which comprises a connector body; the interface body comprises a main pipe 1 and an auxiliary pipe 2 arranged outside the main pipe 1, and the main pipe 1 is connected with the auxiliary pipe 2; the first end of the main pipe 1 is provided with a conical interface 11; the second end of the main pipe 1 is provided with an external structure, and the external structure is movably connected with the second end of the main pipe 1; through the mode of this kind of setting up a plurality of interfaces, during the use, begin to insert the drainage tube from being responsible for the second end of 1, then change to being responsible for 1 first end gradually, insert auxiliary tube 2 with new drainage tube respectively to reduce the drainage tube and pollute the probability, reduce the change time.

In one embodiment, at least 1 secondary pipe 2 is provided; when the number of the auxiliary pipes 2 is more than 1, the auxiliary pipes 2 are arranged at equal intervals along the outer side of the main pipe 1; in the embodiment, 5 secondary pipes 2 are arranged, and 5 secondary pipes 2 are uniformly arranged at equal intervals along the outer side of the main pipe 1; the arrangement is convenient for operation, a new drainage tube is directly inserted into the auxiliary tube 2, and an old drainage tube which is inserted and needs to be replaced is removed and thrown away. The far end is the second end of the main pipe 1, and the near end is the first end of the main pipe 1.

In one embodiment, the second end of the main pipe 1 is threadedly connected to an external structure, which is configured as a nut 21; an external thread matched with the external structure is arranged on the outer side of the main pipe 1, and an internal thread matched with the external thread is arranged on the inner side wall of the screw cap 21; this kind of setting can effectively guarantee to be responsible for 1 and external structural connection's stability, can also guarantee to use the flexibility. The connection mode of the main pipe 1 and the external structure includes but is not limited to threaded connection, and can also be other structures which are convenient to connect and disassemble and can ensure the connection stability, such as plug-in connection, buckle connection and the like.

In one embodiment, the length of the external and/or internal threads ranges from 8 to 12 mm; preferably, the length of the external and/or internal threads is 10 mm. The outer diameter range of the second end of the main pipe 1 is 10-16 mm; preferably, the second end of the main tube 1 has an outer diameter of 13 mm in length. The outer diameter range of the external connection structure is 11-17 mm; preferably, the outer diameter of the circumscribing structure is 14 mm.

In one embodiment, an external connection structure is provided at the free end of the secondary pipe 2, and the external connection structure is movably connected with the secondary pipe 2. The connection mode of the external structure and the auxiliary pipe 2 refers to the connection mode of the main pipe 1 and the external structure. The included angle between the central line of the auxiliary pipe 2 and the central line of the main pipe 1 is 15-90 degrees; preferably, the center line of the secondary pipe 2 is at an angle of 30 ° to the center line of the primary pipe 1.

In one embodiment, the first end of the tapered interface 11 has an inner diameter in the range of 2-6 mm; preferably, the first end of the tapered interface 11 has an inner diameter of 4 mm. The outer diameter range of the conical interface 11 is 3-7 mm; preferably, the tapered interface 11 has an outer diameter of 5 mm. The length of the conical interface 11 ranges from 20 to 30 mm; preferably, the tapered interface 11 has a length of 25 mm.

In one embodiment, the main tube 1 has an inner diameter in the range of 7-11 mm; preferably, the internal diameter of the main tube 1 is 9 mm. The outer diameter range of the main pipe 1 is 8-12 mm; preferably, the outer diameter of the main pipe 1 is 10 mm. The length range of the main pipe 1 is 100-140 mm; preferably, the length of the main pipe 1 is 120 mm.

In one embodiment, the relationship between the inner diameter of the main pipe 1 and the inner diameter of the secondary pipe 2 is not limited, and the inner diameters can be consistent and universal, and can also be made into nozzles with different diameters.

In one embodiment, the main pipe 1 and the secondary pipe 2 are made of rubber, soft and light materials; the material not only avoids pricking injury to patients, but also is convenient for workers to squeeze, thereby removing old hematocele, keeping the interior of the device clean and reducing infection probability. The conical interface 11 is made of hard material. The external structure is made of hard material.

Figure 4 is a partially enlarged structural cross-sectional view of the second end of the main pipe and the circumscribing structure provided in this embodiment,

in one embodiment, the nut 21 includes a first fixing layer 211 and a second fixing layer 212, and second ends of the first and second fixing layers 211 and 212 are integrally connected by a connection plate 213; first ends of the first and second pinned

layers

211 and 212 are provided with first grooves 214; the inner sidewall of the second fixing layer 212 is provided with an internal thread.

The second end of the main pipe 1 comprises a third fixing layer 12 and a fourth fixing layer 13, and one ends, far away from the second end of the main pipe 1, of the third fixing layer 12 and the fourth fixing layer 13 are integrally connected; a second groove 14 for the first fixing layer 211 to extend into and fix is reserved between the third fixing layer 12 and the fourth fixing layer 13; and an external thread matched with the internal thread is arranged on the outer side of the fourth fixing layer 13. Through this kind of mode with first fixed layer 211 stretch into second recess 14, fourth fixed layer 13 stretches into first recess 214, recycles the cooperation of internal thread and external screw thread, guarantees the stable connection of nut 21 and person in charge 1.

When the drainage tube replacing device is used, the far end of the main tube 1 is connected with the drainage tube, when the drainage tube needs to be replaced, the external connection structure connected with the adjacent interface of the original drainage tube is unscrewed from the far end to the near end, and a new drainage tube is connected and fixed with the adjacent interface; and then the original drainage tube is pulled out from the original interface, the external connection structure taken down is screwed into the original interface and is connected and fixed, the replacement of the drainage tube is completed, the disinfection link is omitted, the phenomenon that the drainage tube overflows in the replacement process is avoided, and the retrograde infection caused by the invasion of external bacteria and the like into the drainage tube is also avoided.

The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will also fall within the scope of the claims of the present invention.

Claims

1. A connector for conveniently replacing a drainage tube without disinfection comprises a connector body and is characterized in that the connector body comprises a main tube and an auxiliary tube arranged on the outer side of the main tube, and the main tube is connected with the auxiliary tube; the first end of the main pipe is provided with a conical interface; the second end of the main pipe is provided with an external connection structure, and the external connection structure is movably connected with the second end of the main pipe.

2. The interface for facilitating replacement of a drainage tube without sterilization according to claim 1, wherein at least 1 auxiliary tube is provided; when the number of the auxiliary pipes is more than 1, the auxiliary pipes are arranged along the outer side of the main pipe at equal intervals.

3. The interface of claim 1, wherein the second end of the main tube is threadedly connected to an external structure, the external structure being configured as a nut; be responsible for the outside and set up the external screw thread that uses with external structure cooperation, the nut inside wall sets up the internal thread that uses with external screw thread cooperation.

4. The interface for facilitating the replacement of a drainage tube without sterilization as recited in claim 2, wherein an external structure is provided at the free end of the secondary tube, and the external structure is movably connected with the secondary tube.

5. The interface for facilitating replacement of a drain tube without sterilization according to claim 2, wherein the angle between the center line of the secondary tube and the center line of the primary tube is in the range of 15-90 °.

6. A connector for facilitating replacement of a drainage tube without sterilization according to claim 5, wherein the angle between the center line of the secondary tube and the center line of the primary tube is 30 °.

7. A hub for facilitating replacement of a drain tube free of sterilization according to any of claims 1-6, wherein the inner diameter of the first end of the tapered hub ranges from 2 to 6 mm.

8. A hub for facilitating replacement of a drain tube free of sterilization according to any of claims 1-6, wherein the outer diameter of the tapered hub is in the range of 3-7 mm.

9. A connector for a drainage tube convenient to replace without sterilization as claimed in any one of claims 1 to 6, wherein the main tube and the secondary tube are made of rubber, soft and light materials.

10. A connector of a drainage tube convenient to replace without disinfection as claimed in any one of claims 1-6, wherein the conical connector is made of hard material.