CN217138957U

CN217138957U - Thrombosis-proof central venous catheter

Info

Publication number: CN217138957U
Application number: CN202123373112.6U
Authority: CN
Inventors: 唐玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-09
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a thrombus-preventing central venous catheter, which comprises a catheter body structure, wherein the catheter body structure comprises a central catheter, the end part of the central catheter is provided with a support structure, the support structure comprises a connecting pipe, the connecting pipe is provided with raised stripes, the raised stripes and the connecting pipe are combined to form a plurality of grooves, the grooves and the raised stripes are coated with drug coatings, and the connecting pipe is arranged on a connecting soft rod; the utility model discloses a set up protruding stripe on the connecting pipe, protruding stripe and connecting pipe form a plurality of recesses, and the medicine of coating on recess and protruding stripe is placed the blood vessel back medicine and is lasted slow release to reach the mesh of preventing the thrombus.

Description

Thrombosis-proof central venous catheter

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a prevent thrombus central venous catheter.

Background

The central venous catheter belongs to one of intravascular tubes, is placed in a large vein, is an indispensable important tool in emergency treatment and clinical rescue, can select femoral vein, subclavian vein or internal jugular vein as a puncture site, and is mainly used for continuously or intermittently carrying out intravenous transfusion, monitoring central venous pressure, central venous nutrition infusion, infusion of hypertonic or irritant solution, blood transfusion or blood sample collection and the like on a patient.

Intravenous infusion is a method of infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure. Intravenous infusion of large quantities of fluid, electrolytes or blood is known as intravenous infusion. The injection site and the transfusion are different, and the injection can be classified into peripheral venous transfusion, central venous transfusion, high nutrient Transfusion (TPN), blood transfusion and the like.

The dialysis tubing is a plastic tubing that connects the patient's blood vessel to the dialyzer, with blood exiting the arterial end, passing through the dialyzer, and then returning to the patient from the venous end.

In the prior art, when the central venous catheter is used, thrombus easily grows in a blood vessel, and pulmonary embolism can be caused, so that the existing central venous catheter has great harm to a human body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the thrombus is easily grown in the blood vessel when the central venous catheter is used in the prior art, and the patient can cause pulmonary embolism, thereby causing the great injury to the human body caused by the existing central venous catheter, and providing the thrombus-proof central venous catheter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a prevent thrombus central venous catheter, includes pipe body structure, and pipe body structure includes central pipe, the tip of central pipe is provided with supporting structure, supporting structure includes the connecting pipe, be equipped with protruding stripe on the connecting pipe, protruding stripe combines to form a plurality of recesses with the connecting pipe, the coating has the medicine coating on in the recess and protruding stripe, the connecting pipe is installed on connecting soft pole.

Preferably, the left side and the right side inside the central conduit are respectively provided with a liquid inlet channel and a liquid outlet channel, and the other end of the central conduit is fixedly communicated with an adapter.

Preferably, the both sides of adapter rear side fixedly connected with a liquid flow pipe and No. two liquid flow pipes respectively, a liquid flow pipe and drain way intercommunication, No. two liquid flow pipes and inlet channel intercommunication.

Preferably, the end parts of the first liquid flow pipe and the second liquid flow pipe are fixedly connected with mounting ends, and reinforcing ribs are fixedly connected to the outer surfaces of the mounting ends.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses in, through setting up protruding stripe on the connecting pipe, protruding stripe and connecting pipe form a plurality of recesses, coating medicine on recess and protruding stripe, arrange the continuous slow release of medicine behind the blood vessel in to reach the purpose of preventing the thrombus, make the utility model discloses have higher practicality, through the setting of connecting the soft pole, be used for increasing the intensity of central pipe tip, prevent when inserting the blood vessel with central pipe, appear because central pipe tip is softer, unable male problem, through the setting of strengthening rib for increase the intensity of installation end.

Drawings

FIG. 1 is a schematic perspective view of an anti-thrombotic central venous catheter according to the present invention;

fig. 2 is a schematic view of the connection explosion structure between the central catheter and the support structure in the central venous catheter for preventing thrombus.

Illustration of the drawings:

1. a catheter body structure; 11. a central conduit; 12. a liquid inlet channel; 13. an adapter; 14. a first liquid flow pipe; 15. a second liquid flow pipe; 16. installing an end head; 17. reinforcing ribs; 18. a liquid outlet channel;

2. a scaffold structure; 21. a connecting pipe; 22. raised stripes; 23. a groove; 24. and connecting the soft rod.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-2, the utility model provides a central venous catheter for preventing thrombus, which comprises a catheter body structure 1, wherein the catheter body structure 1 comprises a central catheter 11, a support structure 2 is arranged at the end of the central catheter 11, the support structure 2 comprises a connecting pipe 21, a plurality of grooves 23 are formed on the connecting pipe 21 by combining the convex stripes 22 with the connecting pipe 21, a drug coating is coated in the grooves 23 and on the convex stripes 22, the connecting pipe 21 is arranged on a connecting soft rod 24, a liquid inlet channel 12 and a liquid outlet channel 18 are respectively arranged at the left side and the right side inside the central catheter 11, the other end of the central catheter 11 is fixedly communicated with an adapter 13, a first liquid flow pipe 14 and a second liquid flow pipe 15 are respectively fixedly connected at the two sides of the rear side of the adapter 13, the first liquid flow pipe 14 is communicated with the liquid outlet channel 18, the second liquid flow pipe 15 is communicated with the liquid inlet channel 12, the end parts of the first liquid flow pipe 14 and the second liquid flow pipe 15 are fixedly connected with a mounting end 16, and the outer surface of the mounting end 16 is fixedly connected with a reinforcing rib 17.

In the following, specifically describing the specific arrangement and function of the catheter body structure 1 and the stent structure 2, by arranging the raised stripes 22 on the connecting tube 21, the raised stripes 22 combine with the connecting tube 21 to form a plurality of grooves 23, the grooves 23 and the raised stripes 22 are coated with a drug coating, the drug coating is urokinase and r-tp drugs, for preventing thrombus, the central catheter 11 is placed into a blood vessel, the medicine coated on the grooves 23 and the raised stripes 22 is continuously and slowly released, thereby achieving the purpose of preventing thrombus when the central catheter 11 is used, and leading the utility model to have higher practicability, through the arrangement of the connecting soft rod 24, for increasing the strength of the end of the central catheter 11, preventing the central catheter 11 from being inserted into the blood vessel, the problem of no insertion due to the soft end of the central conduit 11 arises by the provision of the stiffening ribs 17 for increasing the strength of the mounting head 16.

The working principle is as follows: the utility model relates to a prevent thrombus central venous catheter, specifically when using, be connected a fluid flow pipe 14 and No. two fluid flow pipes 15 with the dialysis machine, then insert vein blood vessel with central pipe 11 again, open the dialysis machine afterwards, blood is got into by inlet channel 12, through No. two fluid flow pipes 15 to dialysis machine, the dialysis machine is with the blood filtration back, inject blood into outlet channel 18 through a fluid flow pipe 14, make blood flow from outlet channel 18, the medicine that is located on connecting pipe 22 is along with blood slow release, reach the effect of preventing the thrombus, wherein outlet channel 18 is same passageway with inlet channel 12.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent central ductus venosus of thrombus, its characterized in that, includes pipe body structure, and pipe body structure includes central pipe, the tip of central pipe is provided with supporting structure, supporting structure includes the connecting pipe, be equipped with protruding stripe on the connecting pipe, protruding stripe combines to form a plurality of recesses with the connecting pipe, the coating has the medicine coating on in the recess and protruding stripe, the connecting pipe is installed on connecting soft pole.

2. The anti-thrombotic central venous catheter as claimed in claim 1, wherein: the left side and the right side inside the central conduit are respectively provided with a liquid inlet channel and a liquid outlet channel, and the other end of the central conduit is fixedly communicated with an adapter.

3. The anti-thrombotic central venous catheter as claimed in claim 2, wherein: the both sides of adapter rear side fixedly connected with liquid flow tube and No. two liquid flow tubes respectively, a liquid flow tube and drain way intercommunication, No. two liquid flow tubes and inlet channel intercommunication.

4. The anti-thrombotic central venous catheter as claimed in claim 3, wherein: the equal fixedly connected with installation end of tip of a liquid flow pipe and No. two liquid flow pipes, the surface fixed connection of installation end has the strengthening rib.