CN220513261U - Double-cavity drainage tube capable of being assembled and connected - Google Patents

Abstract

The utility model discloses a double-cavity drainage tube capable of being assembled and connected, which belongs to the technical field of medical equipment and comprises a double-cavity main tube body and a secondary tube body, wherein the double-cavity main tube body is provided with two channels, one end of the double-cavity main tube body is provided with a butt joint tube orifice, one end of the secondary tube body corresponding to the butt joint tube orifice is provided with a joint, the joint is inserted into the butt joint tube orifice, a fastening clamp clamps the butt joint tube orifice, and the secondary tube body is detachably arranged in the double-cavity main tube body. The two channel structures of the double-cavity main pipe body are convenient for clinical drainage and flushing and medicine injection operations; in addition, the double-cavity main tube body and the secondary tube body are detachably arranged, the double-cavity main tube body can be led out through a subcutaneous tunnel, the opening edge of a patient part is conveniently sutured, the opening edge of the patient part is not exposed, the occurrence of meningitis and infection symptoms is reduced, and the intracranial infection risk of a patient is reduced.

Description

Double-cavity drainage tube capable of being assembled and connected

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a double-cavity drainage tube capable of being assembled and connected.

Background

The double-cavity drainage tube is suitable for minimally invasive hematoma removal of cerebral hemorrhage, and extracellular drainage before, during or after craniocerebral surgery; ventricular external drainage of obstructive hydrocephalus and hydrocephalus of unknown cause; liquid drainage of hematoma, abscess and cyst of various parts (subdura, epidural, intracerebral, etc.) in the cranium.

The drainage tube commonly used in clinic is mostly in a single cavity, a doctor places the distal end of the drainage tube into a position of a patient to be drained in cranium through craniotomy, the proximal end of the single cavity tube is pulled by a subcutaneous guide needle and is led out through an established subcutaneous channel to be connected with an extracorporeal collection device, so that drainage is realized. The single-cavity drainage catheter has the advantages that the catheter is led out directly through a craniotomy part, but is led out through a subcutaneous passage, so that the probability of intracranial infection is greatly reduced, and the defect that single-channel drainage is easy to be blocked by hematoma, so that drainage fails. After that, the appearance of double-cavity drainage pipe has solved the shortcoming that single channel drainage is easily stopped up, and during clinical use, the doctor can be through the main cavity drainage of double-cavity drainage pipe, and the auxiliary chamber can inject normal saline or anticoagulation thrombolysis medicine, washes the lumen, anticoagulation and thrombolysis simultaneously have guaranteed going on smoothly of drainage.

However, the existing double-cavity drainage catheters on the market at present have the following common defects: the double-cavity drainage catheter is of a Y-shaped structure, the double-cavity drainage catheter is bifurcated into a main cavity and an auxiliary cavity, the bifurcated main cavity and the bifurcated auxiliary cavity block the double-cavity drainage catheter from being led out through a subcutaneous channel and can only be directly led out from a craniotomy wound part, so that an opening of a patient part is directly exposed, meningitis and infection symptoms are easily led out, and the intracranial infection risk of a patient is increased.

Disclosure of Invention

The utility model mainly aims to provide a double-cavity drainage tube capable of being assembled and connected, and aims to solve the problems that the proximal end of a drainage catheter cannot be led out through a subcutaneous channel and can only be led out directly from a craniotomy wound part, and the risk of intracranial infection of a patient is increased.

In order to achieve the above object, the present utility model provides an assembled and connected dual-lumen drainage tube, comprising:

the double-cavity main pipe body is internally provided with two channels for drainage, and one end of the double-cavity main pipe body is provided with a butt joint pipe orifice;

the secondary pipe body is provided with a connector at one end corresponding to the butt joint pipe orifice, the connector is inserted into the butt joint pipe orifice, and a first bifurcation pipe body and a second bifurcation pipe body are respectively arranged at the other end of the secondary pipe body; and

and the fastening clamp clamps the butt joint pipe orifice so as to connect the secondary pipe body with the double-cavity main pipe body.

Optionally, the fastening clamp includes ring clamp, first clamping part and second clamping part, the ring clamp is used for the cover to locate the butt joint mouth of pipe, first clamping part with second clamping part all with the ring clamp is connected and sets up in opposite directions, first clamping part with second clamping part joint is in order to centre gripping the butt joint mouth of pipe.

Optionally, the first clamping part includes two enclosing parts and first handle portion, two enclosing parts with first handle portion encloses into the joint groove, the second clamping part includes second handle portion and fixture block, handle portion with the ring clamp is connected, the fixture block for handle portion protrusion sets up, the fixture block joint in the joint groove.

Optionally, the fixture block outward flange is equipped with protruding structure, two enclose the portion and be located the edge concave recess that closes the joint groove is equipped with the recess, protruding structure with the unsmooth cooperation of recess.

Optionally, the fastening clamp is further provided with a limiting part, the limiting part and the clamping block are arranged at intervals, the limiting part can abut against the enclosing part, and the limiting part, the enclosing part and the annular clamp enclose a clamping space so as to clamp the butt joint pipe orifice in the clamping space.

Optionally, the butt joint mouth of pipe includes guide ring, sleeve pipe and hinders the position ring, the sleeve pipe with two chambeies are responsible for the body and communicate with each other, guide ring with hinder the position ring all the sleeve pipe protrusion sets up, and set up respectively the sleeve pipe both ends, fastening clamp centre gripping the sleeve pipe.

Optionally, the joint comprises a connecting pipe and a joint pipe, wherein the connecting pipe is communicated with the inner cavity of the secondary pipe body, and the joint pipe is connected with the connecting pipe and is arranged in a protruding mode relative to the connecting pipe.

Optionally, the joint pipe includes first joint pipe and second joint pipe, the sleeve pipe is equipped with first pair of interface and second pair of interface, first pair of interface with the second is all with two chambeies main pipe body intercommunication, first joint pipe peg graft in first pair of interface, second joint pipe peg graft in second pair of interface.

Optionally, the first handle portion and the second handle portion are each provided with a protrusion.

Optionally, the first bifurcation tube body and the second bifurcation tube body are both provided with a flow stop clip, and the end of the first bifurcation tube body away from the connector and the end of the second bifurcation tube body away from the connector are both provided with a luer connector.

According to the technical scheme, two channels are formed in the double-cavity main pipe body, a butt joint pipe orifice is formed in one end of the double-cavity main pipe body, a connector is arranged at one end, corresponding to the butt joint pipe orifice, of the secondary pipe body, the connector is inserted into the butt joint pipe orifice, then the butt joint pipe orifice is clamped through a fastening clamp, and the secondary pipe body is detachably installed in the double-cavity main pipe body. In actual drainage operation, the double-cavity main tube body is implanted into the affected part of the operation through the guide needle, so that drainage and flushing are facilitated; and cutting subcutaneous tissue, establishing a subcutaneous tunnel, drawing the double-cavity main pipe body through the guide needle, drawing the double-cavity main pipe body through the subcutaneous tunnel, and sewing the wound at the incision position after connecting the double-cavity main pipe body and the secondary pipe body through the fastening clamp, so that the incision at the affected part is not directly exposed, the occurrence of meningitis and infection symptoms is reduced, and the infection risk of subsequent maintenance of a patient is reduced. Therefore, the double-cavity main pipe body is provided with two channel structures, so that clinical drainage and flushing and medicine injection operations are facilitated; and the double-cavity main pipe body and the secondary pipe body adopt a detachable assembly mode, and the double-cavity main pipe body can be led out through a subcutaneous tunnel so as to suture the original opening edge of the affected part, so that the opening edge of the affected part is not directly exposed, the occurrence of meningitis and infection symptoms is reduced, and the infection risk of subsequent maintenance of a patient is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a prior art dual-lumen drainage tube;

FIG. 2 is a schematic view of an assembled dual-lumen drainage tube according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an embodiment of the assembled and connected dual-lumen drainage tube of the present utility model when the dual-lumen main tube is implanted intracranially;

FIG. 4 is a schematic view of an embodiment of the assembled and connected dual-lumen drainage tube of the present utility model when the dual-lumen main tube is pulled out of the subcutaneous tunnel;

FIG. 5 is a schematic view of an embodiment of the assembled and connected dual-lumen drainage tube of the present utility model in the installation of a fastening clip to a dual-lumen main tube;

FIG. 6 is a schematic view of an embodiment of an assembled dual-lumen drainage tube of the present utility model when the dual-lumen main tube is connected to the secondary tube;

FIG. 7 is a schematic view of an embodiment of a fastening clip according to the present utility model;

FIG. 8 is a partial cross-sectional view of one embodiment of a dual-lumen main tube of the present utility model;

FIG. 9 is a schematic view of an embodiment of a secondary pipe according to the present utility model;

fig. 10 is a cross-sectional view of one embodiment of the fitting of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a double-cavity drainage tube 100 capable of being assembled and connected. Referring to FIGS. 1 to 10, FIG. 1 is a schematic view showing the structure of an embodiment of a prior art double-lumen drainage tube; FIG. 2 is a schematic diagram of an embodiment of an assembled dual-lumen drainage catheter 100 of the present utility model; FIG. 3 is a schematic diagram of an embodiment of an assembled dual-lumen drainage catheter 100 of the present utility model when the dual-lumen main catheter body 10 is implanted intracranially; FIG. 4 is a schematic view of an assembled dual-lumen drainage tube 100 of the present utility model in an embodiment when the dual-lumen main tube 10 is pulled out of a subcutaneous tunnel; FIG. 5 is a schematic view of an embodiment of an assembled dual-lumen drainage tube 100 of the present utility model with a fastening clip 30 installed on a dual-lumen main tube body 10; FIG. 6 is a schematic diagram of an assembled dual-lumen drainage tube 100 of the present utility model in one embodiment when the dual-lumen main tube 10 is connected to the secondary tube 20; FIG. 7 is a schematic view of an embodiment of a fastening clip 30 according to the present utility model; FIG. 8 is a partial cross-sectional view of one embodiment of a dual-lumen main tube 10 of the present utility model; FIG. 9 is a schematic diagram of an embodiment of a secondary pipe 20 according to the present utility model; fig. 10 is a cross-sectional view of one embodiment of the joint 21 of the present utility model.

In an embodiment of the present utility model, the dual-cavity drainage tube 100 capable of being assembled and connected according to the present utility model comprises:

the double-cavity main pipe body 10, two channels 11 of the double-cavity main pipe body 10 are used for drainage, and a butt joint pipe orifice 12 is arranged at one end of the double-cavity main pipe body 10;

the secondary pipe body 20, one end of the secondary pipe body 20 corresponding to the butt joint pipe orifice 12 is provided with a joint 21, the joint 21 is inserted into the butt joint pipe orifice 12, and the other end of the secondary pipe body 20 is provided with a first bifurcation pipe body 22 and a second bifurcation pipe body 23; and

and a fastening jig 30, wherein the fastening jig 30 clamps the butt joint pipe orifice 12 to connect the secondary pipe body 20 with the dual-cavity main pipe body 10.

According to the technical scheme, two channels 11 are formed in the double-cavity main pipe body 10, a butt joint pipe orifice 12 is formed in one end of the double-cavity main pipe body 10, a connector 21 is arranged at one end, corresponding to the butt joint pipe orifice 12, of the secondary pipe body 20, the connector 21 is inserted into the butt joint pipe orifice 12, then the butt joint pipe orifice 12 is clamped through a fastening clamp 30, and the secondary pipe body 20 is detachably installed in the double-cavity main pipe body 10. In actual drainage operation, the double-cavity main tube body 10 is implanted into the affected part of the operation through the guide needle 60, so that drainage and flushing are facilitated; and then cutting subcutaneous tissues, establishing a subcutaneous tunnel, drawing the double-cavity main pipe body 10 through the guide needle 60, leading the double-cavity main pipe body 10 through the subcutaneous tunnel, and sewing up a wound at an incision point after connecting the double-cavity main pipe body 10 and the secondary pipe body 20 through the fastening clamp 30, so that the incision at the affected part is not directly exposed outside, the occurrence of meningitis and infection symptoms is reduced, and the infection risk of subsequent maintenance of a patient is reduced. It can be seen that the double-cavity main tube body 10 is provided with two channel 11 structures, which is convenient for clinical drainage and flushing and drug injection operations; and the double-cavity main pipe body 10 and the secondary pipe body 20 adopt a detachable assembly mode, and the double-cavity main pipe body 10 can be led out through a subcutaneous tunnel so as to suture an original opening edge of a patient part, so that the opening edge of the patient part is not directly exposed outside, the occurrence of meningitis and infection symptoms is reduced, and the infection risk of subsequent maintenance of a patient is reduced.

The existing double-cavity drainage tube is of an integrated structure and is not detachable. In actual drainage operation, as shown in fig. 1, the dual-cavity drainage tube can only be directly led out from the craniotomy wound 40, and the craniotomy wound 40 is directly exposed to the outside, so that meningitis and infection symptoms are easily caused, and the infection risk of subsequent maintenance of a patient is increased.

The inner cavity of the double-cavity main tube body 10 of the double-cavity drainage tube 100 capable of being assembled and connected is of a two-channel 11 structure so as to facilitate clinical drainage and flushing and medicine injection operations; and the double-cavity main pipe body 10 and the secondary pipe body 20 adopt a detachable assembly mode, the double-cavity main pipe body 10 walks the operation type of the subcutaneous tunnel 11, and the risk of intracranial infection of a patient is reduced.

As shown in fig. 3 to 6, the specific drainage operation is as follows:

1. cutting a craniotomy wound 40, independently implanting the double-cavity main tube body 10 into the cranium, and draining and flushing the double-cavity main tube body 10 at the affected part of the implantation incision through a guide needle 60;

2. cutting subcutaneous tissue to cut subcutaneous wound 50, creating a subcutaneous tunnel, and drawing dual-lumen main tube 10 through introducer needle 60 to exit dual-lumen main tube 10 through the subcutaneous tunnel;

3. the secondary tube body 20 is connected with the double-cavity main tube body 10 through the fastening clamp 30, and the craniotomy wound 40 is sutured.

It can be seen that the dual-lumen drainage tube 100 of the present utility model, which is attachable thereto, can be used for subcutaneous tissue implantation, subsequent to the suturing of the craniotomy wound 40, rather than direct implantation in the intracranial lesion, subsequent to the inability to suture the craniotomy wound 40. The design of the detachable connection of the double-cavity main tube body 10 and the secondary tube body 20 is convenient for leading out the double-cavity main tube body 10 from the subcutaneous tunnel and connecting the double-cavity main tube body 10 with the secondary tube body 20, is convenient for suturing the craniotomy wound 40, and reduces the infection risk of the subsequent maintenance of a patient.

In order to connect the dual-cavity main pipe body 10 and the secondary pipe body 20 together, as shown in fig. 7, the fastening clamp 30 includes a ring clamp 31, a first clamping portion 32 and a second clamping portion 33, the ring clamp 31 is used for being sleeved on the docking pipe orifice 12, the first clamping portion 32 and the second clamping portion 33 are connected with the ring clamp 31 and are arranged opposite to each other, and the first clamping portion 32 is clamped with the second clamping portion 33 so as to clamp the docking pipe orifice 12.

In one embodiment, as shown in fig. 2 to 7, the ring clamp 31 is designed according to the outer diameter of the butt joint pipe orifice 12, and the ring clamp 31 is designed to be annular, so that the ring clamp 31 is conveniently sleeved on the double-cavity main pipe body 10. The joint 21 is inserted into the butt joint pipe orifice 12, the annular clamp 31 is sleeved on the double-cavity main pipe body 10, then the first clamping part 32 and the second clamping part 33 are clamped, so that the butt joint pipe orifice 12 and the joint 21 are fastened and clamped through the fastening clamp 30, and the double-cavity main pipe body 10 and the secondary pipe body 20 which are connected together ensure that the butt joint pipe orifice 12 and the joint 21 do not leak when medicine is injected or drained.

As shown in fig. 7, the first clamping portion 32 includes two enclosing portions 320 and a first handle portion 321, the two enclosing portions 320 and the first handle portion 321 enclose a clamping groove 324, the second clamping portion 33 includes a second handle portion 332 and a clamping block 330, the handle portion is connected with the ring clamp 31, the clamping block 330 is arranged protruding relative to the handle portion, and the clamping block 330 is clamped in the clamping groove 324.

In an embodiment, the first clamping portion 32 is provided with a first handle 321 in a protruding manner, the second clamping portion 33 is provided with a second handle 332 in a protruding manner, so that medical staff can clamp the first clamping portion 32 and the second clamping portion 33 by pinching the first handle and the second handle, and further tightly sleeve the annular clamp 31 on the docking nozzle 12 and the joint 21, so that the docking nozzle 12 and the joint 21 are prevented from being connected unstably and sliding down.

In order to clamp the first clamping portion 32 and the second clamping portion 33 together, as shown in fig. 7, a protruding structure 331 is disposed at an outer edge of the clamping block 330, a groove 323 is concavely disposed at an edge of the clamping groove 324 of the two enclosing portions 320, and the protruding structure 331 is in concave-convex fit with the groove 323.

In an embodiment, a plurality of grooves 323 are formed at the edge of the clamping groove 324 of the two enclosing parts 320, and the grooves 323 are designed into reverse tooth shapes; the outer edge of the clamping block 330 is provided with a plurality of protruding structures 331, the protruding structures 331 are designed into protruding tooth shapes, the protruding structures 331 are clamped in the grooves 323, the first clamping part 32 and the second clamping part 33 are clamped together, and the occurrence of the condition that the first clamping part 32 and the second clamping part 33 are loosened when hands are loosened is reduced.

In order to tightly cover the docking nozzle 12, as shown in fig. 7, the fastening fixture 30 is further provided with a limiting portion 34, the limiting portion 34 and the clamping block 330 are spaced apart, and the limiting portion 34 can abut against the enclosing portion 320, and the limiting portion 34, the enclosing portion 320 and the ring clamp 31 enclose a clamping space 340 to clamp the docking nozzle 12 in the clamping space 340.

In one embodiment, the adapter 21 is aligned with the docking nozzle 12 such that the adapter 21 and the docking nozzle 12 are plugged together. The limiting part 34, the enclosing part 320 and the annular clamp 31 enclose a clamping space 340, after the butt joint pipe orifice 12 is clamped in the clamping space 340, the first handle part 321 and the second handle part 332 are pinched to tighten the annular clamp 31, and the butt joint pipe orifice 12 and the joint 21 are tightly clamped, so that the butt joint pipe orifice 12 and the joint 21 are tightly connected and do not leak.

As shown in fig. 2 and 8, the butt joint pipe orifice 12 comprises a guide ring 13, a sleeve 14 and a blocking ring 15, the sleeve 14 is communicated with the double-cavity main pipe body 10, the guide ring 13 and the blocking ring 15 are both arranged in a protruding manner on the sleeve 14 and are respectively arranged at two ends of the sleeve 14, and the sleeve 14 is clamped by a fastening clamp 30.

In one embodiment, in order to limit the fastening clamp 30 and the joint 21, the docking nozzle 12 is convexly provided with a guide ring 13 and a blocking ring 15, the fastening clamp 30 is sleeved on the sleeve 14 and is located between the guide ring 13 and the blocking ring 15, and the guide ring 13 and the blocking ring 15 block the fastening clamp 30 from moving left and right. The joint 21 is inserted into the butt joint pipe orifice 12, the blocking ring 15 blocks the secondary pipe body 20 from moving continuously towards the direction of the double-cavity main pipe body 10, and the fastening clamp 30 clamps the butt joint pipe orifice 12 and the joint 21, so that the secondary pipe body 20 is connected with the double-cavity main pipe body 10 through the joint 21.

As shown in fig. 2 and 9, the joint 21 includes a connection pipe 210 and a joint pipe 211, the connection pipe 210 communicates with the inner cavity of the sub-pipe body 20, and the joint pipe 211 is connected with the connection pipe 210 and is disposed to protrude with respect to the connection pipe 210.

In one embodiment, the connector 21 is integrally formed with the secondary tube 20. The connecting pipe 210 is communicated with the inner cavity of the secondary pipe body 20, the joint pipe 211 is used for being inserted into the butt joint pipe orifice 12, and the joint 21 is connected with the double-cavity main pipe body 10 through the joint pipe 211.

As shown in fig. 2, 9 and 10, the joint pipe 211 comprises a first joint pipe 2110 and a second joint pipe 2111, the sleeve 14 is provided with a first pair of interfaces 141 and a second pair of interfaces 142, the first pair of interfaces 141 and the second pair of interfaces 142 are communicated with the dual-cavity main pipe body 10, the first joint pipe 2110 is spliced on the first pair of interfaces 141, and the second joint pipe 2111 is spliced on the second pair of interfaces 142.

In an embodiment, since the dual-cavity main pipe body 10 is provided with two channels 11, the sleeve 14 of the docking nozzle 12 is provided with a first pair of interfaces 141 and a second pair of interfaces 142 corresponding to the two channels 11, and the first joint pipe 2110 and the second joint pipe 2111 of the joint 21 are plugged into the first pair of interfaces 141 and the second pair of interfaces 142, so that the joint 21 is plugged into the docking nozzle 12.

As shown in fig. 7, the first handle portion 321 and the second handle portion 332 are each provided with a protrusion 322.

In an embodiment, the first handle portion 321 and the second handle portion 332 are provided with the anti-slip protrusions 322, and the anti-slip protrusions 322 of the first handle portion 321 and the anti-slip protrusions 322 of the second handle portion 332 can be pressed by thumb and forefinger, so that the first clamping portion 32 and the second clamping portion 33 can be fastened, and the operation is convenient.

As shown in fig. 2 to 6, the first bifurcation 22 and the second bifurcation 23 are each provided with a flow stop clip 24, and the end of the first bifurcation 22 remote from the fitting 21 and the end of the second bifurcation 23 remote from the fitting 21 are each provided with a luer fitting 25.

In one embodiment, when a doctor uses the assembled and connected dual-cavity drainage tube 100 of the utility model in surgery, the guide needle 60 is used to guide the dual-cavity main tube body 10 out of the skin, the fastening clamp 30 is sleeved into the dual-cavity main tube body 10, the tube body is connected with the dual-cavity main tube body 10, the fastening clamp 30 is pressed to fasten, and after the assembled and connected dual-cavity drainage tube 100 is fixed, the first bifurcation tube 22 or the second bifurcation tube 23 is connected according to the requirement.

In an embodiment, the dual-cavity main pipe body 10 and the butt joint pipe orifice 12 are both made of silica gel, the joint 21 is made of PC (polycarbonate), and the fastening clamp 30 is made of PE (polyethylene). Because the butt joint pipe orifice 12 is made of silica gel, the silica gel has soft elasticity, and the butt joint pipe orifice 12 is fastened by the fastening clamp 30, so that the joint 21 is inserted into the butt joint pipe orifice 12 and is clamped by the fastening clamp 30 and the butt joint pipe orifice 12, and the effect that the double-cavity main pipe body 10 is connected with the joint 21 is achieved. The double-cavity main pipe body 10 is fastened and connected with the joint 21 through the fastening clamp 30, so that after the double-cavity main pipe body 10 is connected with the joint 21, the butt joint pipe orifice 12 and the joint 21 are prevented from leaking during medicine injection or drainage.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A dual-lumen drainage tube for assembled connection, comprising:

the double-cavity main pipe body is internally provided with two channels for drainage, and one end of the double-cavity main pipe body is provided with a butt joint pipe orifice;

the secondary pipe body is provided with a connector at one end corresponding to the butt joint pipe orifice, the connector is inserted into the butt joint pipe orifice, and a first bifurcation pipe body and a second bifurcation pipe body are respectively arranged at the other end of the secondary pipe body; and

and the fastening clamp clamps the butt joint pipe orifice so as to connect the secondary pipe body with the double-cavity main pipe body.

2. The dual-lumen drainage tube of claim 1 wherein the clamp comprises a ring clip, a first clamping portion and a second clamping portion, the ring clip being configured to be sleeved on the docking nozzle, the first clamping portion and the second clamping portion being connected to the ring clip and disposed opposite to each other, the first clamping portion being configured to be engaged with the second clamping portion to clamp the docking nozzle.

3. The dual-lumen drainage tube of claim 2 wherein the first clamping portion comprises two enclosing portions and a first handle portion, the two enclosing portions and the first handle portion enclosing a clamping groove, the second clamping portion comprises a second handle portion and a clamping block, the handle portion is connected with the ring clamp, the clamping block is arranged in a protruding manner relative to the handle portion, and the clamping block is clamped in the clamping groove.

4. The dual-cavity drainage tube capable of being assembled and connected according to claim 3, wherein the outer edge of the clamping block is provided with a convex structure, the two enclosing parts are positioned at the edge of the clamping groove and are concavely provided with grooves, and the convex structure is in concave-convex fit with the grooves.

5. The dual-cavity drainage tube capable of being assembled and connected according to claim 3, wherein the fastening clamp is further provided with a limiting portion, the limiting portion is arranged at intervals with the clamping block, the limiting portion can abut against the enclosing portion, and a clamping space is formed by the limiting portion, the enclosing portion and the annular clamp in an enclosing mode, so that the butt joint tube orifice is clamped in the clamping space.

6. The dual-lumen drainage tube of claim 1 wherein the docking nozzle comprises a guide ring, a sleeve and a retention ring, the sleeve being in communication with the dual-lumen main tube, the guide ring and the retention ring each being disposed in a convex relationship with respect to the sleeve and disposed at opposite ends of the sleeve, respectively, the fastening clamp clamping the sleeve.

7. The dual-lumen drainage tube of claim 6 wherein the connector comprises a connecting tube in communication with the lumen of the secondary tube body and a junction tube connected to the connecting tube and disposed externally with respect to the connecting tube.

8. The dual-lumen drainage tube of claim 7 wherein the junction tube comprises a first junction tube and a second junction tube, the cannula having a first pair of interfaces and a second pair of interfaces, both in communication with the dual-lumen main tube, the first junction tube being plugged to the first pair of interfaces and the second junction tube being plugged to the second pair of interfaces.

9. The dual chamber drainage catheter of any of claims 3 to 5 wherein said first handle portion and said second handle portion are each provided with a protrusion.

10. The dual-lumen drainage tube of any of claims 1 to 8 wherein the first bifurcated tube body and the second bifurcated tube body are each provided with a flow stop clip, and the end of the first bifurcated tube body remote from the connector and the end of the second bifurcated tube body remote from the connector are each provided with a luer connector.