CN210992508U

CN210992508U - Intracranial support catheter

Info

Publication number: CN210992508U
Application number: CN201921683912.8U
Authority: CN
Inventors: 王瑞罡; 李天晓; 朱世杰; 李荣福
Original assignee: Zhengzhou Meigang High Tech Biotechnology Co ltd
Current assignee: Zhengzhou Meigang High Tech Biotechnology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-07-14
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses an intracranial support pipe relates to medical intervention operation technical field, specifically is intracranial support pipe, including the pipe, the inside interlude of pipe has the seal wire, the through-hole has been seted up to the inside of seal wire, the near-end swing joint of pipe has luer joint, the tail end of pipe is provided with straight head end form and two kinds of pre-bending head end forms respectively according to the model of difference. Through the arrangement of the catheter, the catheter has elasticity, the catheter body is provided with the hydrophilic coating, the function of reducing the friction resistance in the use process is achieved, the function of leading the catheter into a blood vessel anatomical structure along the guide wire is achieved through the arrangement of the guide wire, through the matching arrangement of the catheter and the luer connector, the luer connector can be connected with an accessory and can inject liquid through the accessory system in the use process, and therefore the function of locally injecting medicines into the cerebral vessels of a patient is achieved, and the purpose of treatment is achieved.

Description

Intracranial support catheter

Technical Field

The utility model relates to the technical field of medical intervention operation, in particular to an intracranial support catheter.

Background

Along with the development of interventional materials and technologies in recent years, the recanalization rate of occluded blood vessels is remarkably improved through intravascular treatment, the treatment time window is prolonged, and good application prospects are displayed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an intracranial support catheter, which solves the problem of the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: intracranial support pipe, including the pipe, the inside interlude of pipe has the seal wire, the through-hole has been seted up to the inside of seal wire, the near-end swing joint of pipe has luer joint, the tail end of pipe is provided with straight head end form and two kinds of pre-bending head end forms respectively according to the model of difference.

Optionally, the catheter is made of a single lumen, elastic, composite material with different hardness, the catheter body is provided with a hydrophilic coating, and the catheter can be visualized under X-ray fluoroscopy.

Optionally, the diameter of the guide wire is not more than.mm, and one end of the guide wire is inserted with a luer connector.

Optionally, a rubber piston is inserted into one end of the luer connector, and a guide wire is inserted into the rubber piston.

Optionally, a separation sheath tube may be installed at the head end of the catheter, an inclined surface is formed at one end of the separation sheath tube, and a gap is formed on the upper surface of the separation sheath tube.

Optionally, the intracranial support catheter is divided into three types of RFX072-N-08MP, RFX058-N-08 and RFX-N-08 MP according to different types, wherein N represents the effective length, the numerical range of N in the RFX072-N-08MP is 95 mm-130 mm, the outer diameter of the near end is 6Fr/0.0835in, the inner diameter is 0.072/1.8, and the shape of the head end is pre-bent; in RFX058-N-08, the value range of N is 105 mm-130 mm, the outer diameter of the near end is 5Fr/0.070in, the inner diameter is 0.058in/1.5mm, and the shape of the head end is straight; the value range of N in RFX-N-08 is 95-130 mm, the outer diameter of the proximal end is 6Fr/0.0835in, the inner diameter is 0.072in/1.8mm, and the shape of the head end is straight.

(III) advantageous effects

The utility model provides an intracranial support pipe possesses following beneficial effect:

1. this intracranial support pipe, through the setting of pipe, this pipe has elasticity, and the pipe shaft of pipe has the hydrophilicity coating, the effect of frictional resistance in having played the reduction use, through the setting of seal wire, the effect in leading-in blood vessel anatomical structure of messenger's pipe along the seal wire has been played, through the cooperation setting of pipe and luer joint, luer joint can connect the accessory and inject liquid through this accessory system at the in-process that uses, thereby played the effect to patient's cerebrovascular local injection medicine, reached the purpose of treatment.

2. This intracranial support pipe, setting through the pipe, this pipe can develop under the X line perspective, cooperation X line perspective inserts during the use, thereby the purpose of safe inserted pipe has been played, setting through separation sheath pipe, the inclined plane is seted up to the one end of separation sheath pipe, the upper surface is seted up gappedly, thereby the effect in the pipe ware is inserted smoothly to the head end of having played this intracranial support pipe of help, cooperation setting through pipe and seal wire, can guide during the wire inserts the blood vessel at the in-process that uses, further make the pipe insert along the seal wire, thereby the effect of guide has been played, the convenient male purpose has been reached, secondary damage to the vascular wall has been reduced.

Drawings

FIG. 1 is an assembly view of the catheter of the present invention;

fig. 2 is a sectional view of the catheter of the present invention;

fig. 3 is a schematic structural view of the guide wire of the present invention;

fig. 4 is a schematic diagram of a luer fitting of the present invention;

FIG. 5 is a schematic structural view of the separation sheath of the present invention;

fig. 6 is a schematic structural diagram of the rubber piston of the present invention.

In the figure: 1. a conduit; 2. a guide wire; 3. a through hole; 4. a luer fitting; 5. a rubber piston; 6. separating the sheath tube; 7. a bevel; 8. a gap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: an intracranial supporting catheter comprises a catheter 1, a guide wire 2 is inserted in the catheter 1 in a penetrating manner, the diameter of the guide wire 2 is not more than 0.97mm, a luer connector 4 is inserted at one end of the guide wire 2, a through hole 3 is formed in the guide wire 2, the catheter 1 has elasticity through the arrangement of the catheter 1, the catheter body of the catheter 1 is provided with a hydrophilic coating, the function of reducing frictional resistance in the use process is achieved, the catheter 1 is guided into a vascular anatomical structure along the guide wire 2 through the arrangement of the guide wire 2, the luer connector 4 can be connected with accessories and liquid is injected through the accessory system in the use process through the matching arrangement of the catheter 1 and the luer connector 4, the function of injecting medicine to the part of a patient cerebral vessel is achieved, the treatment purpose is achieved, the luer connector 4 is movably connected to the near end of the catheter 1, a rubber piston 5 is inserted at one end of the luer connector 4, the rubber piston 5 is internally inserted with the guide wire 2, the catheter 1 is arranged through the catheter 1, the catheter 1 can be developed under X-ray perspective, the guide wire is inserted in cooperation with X-ray perspective during use, the purpose of safely inserting the catheter 1 is achieved, the separation sheath tube 6 is arranged, the inclined plane 7 is formed at one end of the separation sheath tube 6, the upper surface of the separation sheath tube is provided with the gap 8, the effect of helping the head end of the intracranial support catheter to be smoothly inserted into a catheter device is achieved, the guide wire 2 can be firstly inserted into a blood vessel during use through the cooperation arrangement of the catheter 1 and the guide wire 2, the catheter 1 is further inserted along the guide wire 2, the guide effect is achieved, the purpose of convenient insertion is achieved, the secondary damage to the blood vessel wall is reduced, the tail end of the catheter 1 is respectively provided with two types of a straight head end form and a pre-bent head end form according to different models, the catheter 1 is, The catheter is made of composite materials with elasticity and different hardness, the catheter body of the catheter 1 is provided with a hydrophilic coating, the catheter 1 can be developed under X-ray fluoroscopy, a separation sheath 6 can be installed at the head end of the catheter 1, a bevel 7 is arranged at one end of the separation sheath 6, a gap 8 is arranged on the upper surface of the separation sheath 6, the intracranial support catheter is divided into three types of RFX072-N-08MP, RFX058-N-08 and RFX-N-08 according to different types, wherein N represents effective length, the numerical range of N in the RFX072-N-08MP is 95 mm-130 mm, the outer diameter of the proximal end is 6Fr/0.0835in, the inner diameter is 0.072/1.8, and the shape of the head end is pre-bent; in RFX058-N-08, the value range of N is 105 mm-130 mm, the outer diameter of the near end is 5Fr/0.070in, the inner diameter is 0.058in/1.5mm, and the shape of the head end is straight; the value range of N in RFX-N-08 is 95-130 mm, the outer diameter of the proximal end is 6Fr/0.0835in, the inner diameter is 0.072in/1.8mm, and the shape of the head end is straight.

When the intracranial support catheter is used, the intracranial support catheter of a proper model is selected according to the anatomical structure and the length, whether the catheter 1 is damaged or not is carefully selected, if the damage is found, the system is required to be replaced, after a proper percutaneous intubation technique is selected, the catheter is inserted into a blood vessel through the catheter introduction sheath, the catheter 1 is continuously introduced into the vascular anatomical structure along the guide wire 2 with the diameter not more than 0.97mm, and the head end of the intracranial support catheter is smoothly inserted into the catheter introducer by utilizing the separation sheath 6.

The utility model discloses a theory of operation and beneficial effect: by utilizing the principle of catheter communication, through the arrangement of the catheter 1, the catheter 1 has elasticity, the catheter body of the catheter 1 is provided with a hydrophilic coating, the function of reducing the frictional resistance in the use process is achieved, through the arrangement of the guide wire 2, the function of leading the catheter 1 into the vascular anatomical structure along the guide wire 2 is achieved, through the matching arrangement of the catheter 1 and the luer 4, the luer 4 can be connected with accessories and can inject liquid through the accessory system in the use process, the function of injecting medicine to the part of the cerebral vessels of a patient is achieved, the treatment purpose is achieved, through the arrangement of the catheter 1, the catheter 1 can be developed under X-ray perspective, and when in use, the X-ray perspective insertion is matched, so that the purpose of safely inserting the catheter 1 is achieved, through the arrangement of the separation sheath 6, one end of the separation sheath 6 is provided with an inclined plane 7, and the upper surface is provided with a gap 8, thereby played the effect that helps this intracranial support pipe's head end insert the pipe ware smoothly, set up through the cooperation of pipe 1 and seal wire 2, can lead wire 2 earlier insert the blood vessel at the in-process of using, further make pipe 1 insert along seal wire 2 to play the effect of guide, reached convenient male purpose, reduced the secondary harm to the vascular wall.

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.

Claims

1. Intracranial support catheter, including catheter (1), its characterized in that: the guide wire (2) is inserted into the catheter (1), the through hole (3) is formed in the guide wire (2), the near end of the catheter (1) is movably connected with the luer connector (4), and the tail end of the catheter (1) is respectively provided with a straight head end form and a pre-bent head end form according to different models.

2. The intracranial support catheter as recited in claim 1, wherein: the catheter (1) is made of a single-cavity composite material with elasticity and different hardness, the body of the catheter (1) is provided with a hydrophilic coating, and the catheter (1) can be developed under X-ray fluoroscopy.

3. The intracranial support catheter as recited in claim 1, wherein: the diameter of the guide wire (2) is not more than 0.97mm, and one end of the guide wire (2) is inserted with a luer connector (4).

4. The intracranial support catheter as recited in claim 1, wherein: one end of the luer connector (4) is inserted with a rubber piston (5), and a guide wire (2) is inserted in the rubber piston (5).

5. The intracranial support catheter as recited in claim 1, wherein: the catheter is characterized in that a separation sheath tube (6) can be mounted at the head end of the catheter (1), an inclined plane (7) is formed at one end of the separation sheath tube (6), and a gap (8) is formed in the upper surface of the separation sheath tube (6).

6. The intracranial support catheter as recited in claim 1, wherein: the intracranial support catheter is divided into three types of RFX072-N-08MP, RFX058-N-08 and RFX-N-08 MP according to different types, wherein N represents the effective length, the numerical range of N in the RFX072-N-08MP is 95 mm-130 mm, the outer diameter of the near end is 6Fr/0.0835in, the inner diameter is 0.072/1.8, and the shape of the head end is pre-bent; in RFX058-N-08, the value range of N is 105 mm-130 mm, the outer diameter of the near end is 5Fr/0.070in, the inner diameter is 0.058in/1.5mm, and the shape of the head end is straight; the value range of N in RFX-N-08 is 95-130 mm, the outer diameter of the proximal end is 6Fr/0.0835in, the inner diameter is 0.072in/1.8mm, and the shape of the head end is straight.