CN213722849U

CN213722849U - Structure of continuous thermal perfusion chemotherapy indwelling tube

Info

Publication number: CN213722849U
Application number: CN202022066801.1U
Authority: CN
Inventors: 石卫东
Original assignee: Fudan University Shanghai Cancer Center
Current assignee: Fudan University Shanghai Cancer Center
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-07-20
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a last hot irrigation chemotherapy tube placing structure, including the water conservancy diversion subassembly, coupling assembling and flowing back subassembly, the water conservancy diversion subassembly is including being responsible for and pigtail type ring tube, pigtail type ring union coupling is in being responsible for, a plurality of water conservancy diversion holes have been seted up to pigtail type ring tube lateral part, the outer wall of being responsible for and pigtail type ring tube all is provided with hydrophilic coating, the inner wall of being responsible for and pigtail type ring tube all is provided with hydrophobic coating, coupling assembling includes the connecting pipe, ball valve and first connector, the connecting pipe is connected in being responsible for, the ball valve is installed in the connecting pipe, first connector is installed in the connecting pipe, the flowing back subassembly includes the pipe box, fluid-discharge tube and second connector, the pipe box is located and is responsible for, the fluid-discharge tube sets up in the pipe box, the lateral part intercommunication of fluid-discharge tube and being responsible for, the second connector is installed in the fluid-discharge tube. The utility model discloses the smoothness nature that can effectual increase penetrate avoids buckling and the influence wears leading-in, and can the effectual possibility that reduces the crust.

Description

Structure of continuous thermal perfusion chemotherapy indwelling tube

Technical Field

The utility model relates to a chemotherapy drainage technical field, concretely relates to last hot irrigation chemotherapy puts tubular construction.

Background

Malignant tumor patient of abdominal cavity or patient with abdominal cavity metastasis often present malignant ascites, the hot perfusion chemotherapy of abdominal cavity is the common treatment method, its purpose is to relieve patient's agony, improve patient's quality of life, cancer cell and small focus that transfer to the abdominal cavity are the reason causing ascites, kill tumor cell in the abdominal cavity is the treatment principle of chemotherapy in the abdominal cavity, the hot perfusion chemotherapy of abdominal cavity makes the tiny focus in the abdominal cavity fully contact with chemotherapy liquid medicine, avoid direct intra-abdominal cavity injection to cause the abdominal cavity adhesion, have overcome the disadvantage that the local curative effect of whole-body chemotherapy is not good to the abdominal cavity too. Generally, a pigtail catheter retention mode is adopted, the times of abdominal cavity puncture are reduced, and the pain of a patient is relieved.

However, the smoothness of the introduction of the existing tube is poor in the use process, so that the tube is easy to bend, the use effect is affected, and in the drainage process, the solution is easy to stay in the tube and incrustation occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a last hot perfusion chemotherapy puts tubular construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a continuous thermal perfusion chemotherapy indwelling tube structure comprises a flow guide assembly, a connecting assembly and a liquid drainage assembly.

The flow guide component comprises a main pipe and a pigtail-shaped circular ring pipe, the pigtail-shaped circular ring pipe is connected with the lower end of the main pipe, a plurality of flow guide holes are arranged on the side part of the pigtail type circular tube, hydrophilic coatings are arranged on the outer walls of the main tube and the pigtail type circular tube, the inner walls of the main pipe and the pigtail-shaped circular ring pipe are both provided with hydrophobic coatings, the connecting assembly comprises a connecting pipe, a ball valve and a first connecting head, the lower end of the connecting pipe is connected with the upper end of the main pipe, the ball valve is arranged in the middle of the connecting pipe, the first connector is arranged at the upper end of the connecting pipe, the liquid discharge assembly comprises a pipe sleeve, a liquid discharge pipe and a second connector, the pipe sleeve is sleeved outside the main pipe, the liquid discharge pipe is arranged on the side part of the pipe sleeve, the liquid discharge pipe is communicated with the side part of the main pipe, and the second connector is installed at the upper end of the liquid discharge pipe.

In an embodiment of the utility model, this last hot perfusion chemotherapy puts tubular construction, still include supporting shoe and seal wire, the seal wire install in the lateral part of supporting shoe, the seal wire passes in proper order the connecting pipe the person in charge with pigtail type ring tube, and follow pigtail type ring tube's tip stretches out.

In an embodiment of the present invention, the end of the guide wire is provided with a bending portion cooperating with the pigtail-shaped circular tube.

The utility model discloses an in an embodiment, be responsible for with pigtail type ring tube structure as an organic whole, the lower extreme of pigtail type ring tube is the toper setting.

In an embodiment of the present invention, a ratio of the diameter of the flow guiding hole to the inner diameter of the adjacent pigtail-shaped circular ring tube is 3:4 to 4: 5.

In an embodiment of the present invention, the thickness of the hydrophilic coating is 0.1mm-0.12mm, and the hydrophilic coating is configured as a medical hydrophilic coating.

In one embodiment of the present invention, the thickness of the hydrophobic coating is 0.1mm-0.12mm, and the hydrophobic coating is configured as a medical hydrophobic coating.

The utility model discloses an in an embodiment, the connecting pipe with the junction of being responsible for is smooth transition, the connecting pipe with the pipe diameter of being responsible for is the same.

In an embodiment of the present invention, the inner side of the second connector is provided with a sealing sleeve.

In one embodiment of the present invention, the side portion of the tube sleeve is glued with a label paper.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

the hydrophilic coating is arranged on the outer walls of the main pipe and the pigtail-shaped circular ring pipe, so that the compatibility of the outer wall with blood and water is improved when the guide assembly is guided into the abdominal cavity, the friction force can be effectively reduced, and the guide assembly is conveniently guided into the inner side of the abdominal cavity; through the inner wall at being responsible for and pigtail type ring tube set up hydrophobic coating, when leading-in liquid medicine or deriving the abdominal cavity hydrops, and can avoid the adhesion of liquid medicine or hydrops and pipe wall, effectual reduction frictional force avoids liquid medicine or hydrops deposit incrustation.

Drawings

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

FIG. 2 is a schematic sectional view of the main pipe of the present invention;

FIG. 3 is a schematic axial sectional view of the pigtail-shaped circular tube part structure of the present invention;

fig. 4 is a schematic structural view of the guide wire and the bending portion of the present invention.

In the figure: 100. a flow guide assembly; 110. a main pipe; 120. a pigtail-shaped circular tube; 130. a flow guide hole; 140. a hydrophilic coating; 150. a hydrophobic coating; 200. a connecting assembly; 210. a connecting pipe; 220. a ball valve; 230. a first connector; 300. a drainage assembly; 310. pipe sleeve; 311. label paper; 320. a liquid discharge pipe; 330. a second connector; 331. sealing sleeves; 410. a support block; 420. a guide wire; 421. a bending part.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.

Example 1

Referring to fig. 1-4, the present invention provides a continuous thermal perfusion chemotherapy tube structure, which includes a flow guiding assembly 100, a connecting assembly 200 and a drainage assembly 300, wherein the connecting assembly is mounted on the upper portion of the flow guiding assembly 100, and the drainage assembly 300 is mounted on the side portion of the flow guiding assembly 100, wherein the flow guiding assembly 100 is used for guiding in a liquid medicine or discharging an effusion from an abdominal cavity; the connection assembly 200 is used for introduction of a medical solution and insertion of a guide structure; the drainage assembly 300 is used for drainage of peritoneal fluid.

Referring to fig. 1, 2 and 3, the diversion assembly 100 includes a main pipe 110 and a pigtail-shaped circular pipe 120, the pigtail-shaped circular pipe 120 is connected to a lower end of the main pipe 110, when the diversion assembly is specifically configured, the main pipe 110 and the pigtail-shaped circular pipe 120 are integrated into a whole, the main pipe 110 and the pigtail-shaped circular pipe 120 are integrally configured, the production and the manufacture are convenient, the lower end of the pigtail-shaped circular pipe 120 is conically configured, a plurality of diversion holes 130 are formed in a side portion of the pigtail-shaped circular pipe 120, when the diversion assembly is specifically configured, a ratio of a diameter of each diversion hole 130 to an inner diameter of the adjacent pigtail-shaped circular pipe 120 is 3:4 to 4:5, so that the inner diameters of the diversion holes 130 and the pigtail-shaped circular pipe 120 are in a better interval, the diversion efficiency is higher, and crusting is not easily generated, hydrophilic coatings 140 are respectively disposed on outer walls of the main pipe 110 and the pigtail-shaped circular pipe 120, and when the configuration is specifically, the thickness of the hydrophilic coatings 140 is 0.1mm to 0.12mm, and the hydrophilic coatings are configured as medical hydrophilic coatings, the hydrophilic coating 140 is a Surrocoss series hydrophilic coating, the inner walls of the main tube 110 and the pigtail-shaped circular tube 120 are both provided with a hydrophobic coating 150, and when the hydrophilic coating is specifically arranged, the thickness of the hydrophobic coating 150 is 0.1mm-0.12mm, the hydrophobic coating 150 is a medical hydrophobic coating, and the hydrophobic coating is a polyolefin series hydrophobic coating.

Referring to fig. 1, the connection assembly 200 includes a connection pipe 210, a ball valve 220, and a first connection head 230, wherein a lower end of the connection pipe 210 is connected to an upper end of the main pipe 110, when the connection assembly is specifically configured, a connection portion between the connection pipe 210 and the main pipe 110 is in smooth transition, the pipe diameters of the connection pipe 210 and the main pipe 110 are the same, the ball valve 220 is installed in the middle of the connection pipe 210, the first connection head 230 is installed at the upper end of the connection pipe 210, the first connection head 230 is convenient for being connected to an external liquid medicine supply device after being cannulated, and the ball valve 220 is convenient for being cut off or opened to communicate with the outside.

Referring to fig. 1, the drainage assembly 300 includes a pipe sleeve 310, a drainage pipe 320 and a second connector 330, the pipe sleeve 310 is sleeved outside the main pipe 110, when the installation is specifically performed, the side portion of the pipe sleeve 310 is glued with label paper 311, the label paper 311 is used for marking the type, the hardness and the like, the drainage pipe 320 is installed on the side portion of the pipe sleeve 310, the drainage pipe 320 is communicated with the side portion of the main pipe 110, the second connector 330 is installed at the upper end of the drainage pipe 320, when the installation is specifically performed, a sealing sleeve 331 is installed on the inner side of the second connector 330, and the sealing sleeve 331 is used for sealing, so that the second connector 330 is conveniently connected with an external solution recovery device.

Example 2

Referring to fig. 1 and 4, different from embodiment 1, the continuous thermal perfusion chemotherapy indwelling tube structure further includes a supporting block 410 and a guide wire 420, the guide wire 420 is mounted on a side portion of the supporting block 410 through a bolt, the guide wire 420 sequentially passes through the connecting tube 210, the main tube 110 and the pigtail-shaped circular tube 120 and extends out from an end portion of the pigtail-shaped circular tube 120, and a bent portion 421 matched with the pigtail-shaped circular tube 120 is disposed at an end portion of the guide wire 420.

Specifically, the working principle of the continuous thermal perfusion chemotherapy indwelling tube structure is as follows: the abdominal cavity part is punctured, then the guide wire 420 penetrates through the punctured part, finally the guide assembly 100 is pushed to enter the punctured part along the guide wire 420, the pigtail-shaped circular tube 120 and the main tube 110 are both inserted into the punctured part, then the guide wire 420 is drawn out, the second connector 330 is connected with external effusion collection equipment, effusion is discharged through the second connector 330, the first connector 230 is connected with medicine supply equipment, medicine is supplied through the first connector 230, the hydrophilic coating 140 is arranged on the outer walls of the main tube 110 and the pigtail-shaped circular tube 120, when the guide assembly 100 is guided into the abdominal cavity, the compatibility of the outer wall with blood and water is increased, the friction force can be effectively reduced, and the guide assembly is convenient to be guided into the inner side of the abdominal cavity; through the inner wall at being responsible for 110 and pigtail type ring tube 120 sets up hydrophobic coating 150, when leading-in liquid medicine or deriving the abdominal cavity hydrops, and can avoid the adhesion of liquid medicine or hydrops and pipe wall, effectual reduction frictional force avoids liquid medicine or hydrops deposit incrustation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A continuous thermal perfusion chemotherapy stent structure, comprising:

the flow guide assembly (100) comprises a main pipe (110) and a pigtail-shaped circular ring pipe (120), the pigtail-shaped circular ring pipe (120) is connected to the lower end of the main pipe (110), a plurality of flow guide holes (130) are formed in the side portion of the pigtail-shaped circular ring pipe (120), hydrophilic coatings (140) are arranged on the outer walls of the main pipe (110) and the pigtail-shaped circular ring pipe (120), and hydrophobic coatings (150) are arranged on the inner walls of the main pipe (110) and the pigtail-shaped circular ring pipe (120);

the connecting assembly (200), the connecting assembly (200) comprises a connecting pipe (210), a ball valve (220) and a first connecting head (230), the lower end of the connecting pipe (210) is connected to the upper end of the main pipe (110), the ball valve (220) is installed in the middle of the connecting pipe (210), and the first connecting head (230) is installed at the upper end of the connecting pipe (210);

drainage assembly (300), drainage assembly (300) include pipe box (310), fluid-discharge tube (320) and second connector (330), pipe box (310) cover is located the outside of being responsible for (110), fluid-discharge tube (320) set up in the lateral part of pipe box (310), fluid-discharge tube (320) with the lateral part intercommunication of being responsible for (110), second connector (330) install in the upper end of fluid-discharge tube (320).

2. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: the pig tail type circular tube is characterized by further comprising a supporting block (410) and a guide wire (420), wherein the guide wire (420) is installed on the side portion of the supporting block (410), and the guide wire (420) sequentially penetrates through the connecting tube (210), the main tube (110) and the pig tail type circular tube (120) and extends out of the end portion of the pig tail type circular tube (120).

3. The continuous thermal perfusion chemotherapy stent structure of claim 2, wherein: the end part of the guide wire (420) is provided with a bending part (421) matched with the pigtail-shaped circular ring tube (120).

4. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: be responsible for (110) with pigtail type ring tube (120) structure as an organic whole, the lower extreme of pigtail type ring tube (120) is the toper setting.

5. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: the ratio of the aperture of the diversion hole (130) to the inner diameter of the adjacent pigtail-shaped circular ring tube (120) is 3:4 to 4: 5.

6. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: the thickness of the hydrophilic coating (140) is 0.1mm-0.12mm, and the hydrophilic coating (140) is set to be a medical hydrophilic coating.

7. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: the thickness of the hydrophobic coating (150) is 0.1mm-0.12mm, and the hydrophobic coating (150) is set to be a medical hydrophobic coating.

8. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: the connecting part of the connecting pipe (210) and the main pipe (110) is in smooth transition, and the pipe diameters of the connecting pipe (210) and the main pipe (110) are the same.

9. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: and a sealing sleeve (331) is arranged on the inner side of the second connector (330).

10. The continuous thermal perfusion chemotherapy stent structure of claim 1, wherein: the side of the pipe sleeve (310) is glued with a label paper (311).