Intracranial supporting catheter convenient to use

By designing a support catheter consisting of a catheter body, a flexible catheter, and a guide head, and by incorporating an installation hole and a wire puller inside, the problem of inconvenient catheter introduction into branch vessels in existing technologies is solved, achieving a more efficient use effect.

CN223555315UActive Publication Date: 2025-11-18LELAND BIOTECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422456382.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-11-18
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

Existing intracranial support catheters are not convenient enough for introducing branch vessels, and it is difficult to meet both insertion and operation requirements.

Method used

A support catheter consisting of a catheter body, a flexible catheter, and a guide head has been designed. The catheter has an internal mounting hole and a pull wire. By pulling the pull ring, the pull wire can be moved to achieve the bending movement of the guide head, thereby improving the convenience of catheter introduction into branch blood vessels.

Benefits of technology

This enhances the ease of catheter introduction into branch vessels and improves the practicality and effectiveness of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an intracranial supporting catheter convenient to use, which relates to the technical field of surgical instruments and comprises a supporting catheter consisting of a catheter body, a bendable catheter and a guide head, one end of the catheter body is provided with a funnel-shaped catheter head, one end of the catheter body far away from the funnel-shaped catheter head is connected with the bendable catheter, and the other end of the catheter body far away from the bendable catheter head is connected with the guide head. The end, away from the catheter body, of the bendable catheter is connected with the guide head, a mounting hole is formed in a supporting catheter composed of the catheter body, the bendable catheter and the guide head, and a movable drawing wire is inserted into the mounting hole. The supporting catheter composed of the catheter body, the bendable catheter and the guide head is arranged, the mounting hole and the drawing wire are arranged in the supporting catheter, the drawing wire can be pulled by pulling the pull ring in the use process, then the guide head is driven to conduct bending motion, the guide head can be conveniently led into a branch blood vessel, and the purpose of convenient use is achieved; and the use effect of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to surgical instruments technical field, concretely is a convenient to use's intracranial support catheter. BACKGROUND

[0002] In recent years with the development of interventional material and technology, intravascular treatment significantly improves the recanalization rate of occluded blood vessels, prolongs the treatment time window, and shows good application prospect, and the intravascular treatment mode is mainly arterial thrombolysis and mechanical thrombectomy, and arterial thrombolysis is directly given thrombolytic drugs near the thrombus or through the thrombus by microcatheter, improves local drug concentration, reduces drug dosage, reduces intracranial and systemic hemorrhage risk, and the performance of the intracranial support catheter for interventional operation is difficult to consider many requirements in threading and operation, and the overall performance needs further improvement. Especially the fixed structure of the existing intracranial support catheter is not convenient when it is introduced into the branch blood vessel. Therefore, a convenient to use's intracranial support catheter is provided. SUMMARY

[0003] TECHNICAL PROBLEM

[0004] The utility model discloses a kind of intracranial support catheters for making up the deficiency of prior art, which is convenient to use.

[0005] TECHNICAL SCHEME

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of intracranial support catheter convenient to use, including catheter body, bendable catheter and guide head composition support catheter, the one end of the catheter body is provided with funnel-shaped pipe head, the one end of the catheter body away from funnel-shaped pipe head is connected with bendable catheter, the one end of the bendable catheter away from catheter body is connected with guide head, the inside of the support catheter of the catheter body, bendable catheter and guide head composition is provided with mounting hole, the inside of the mounting hole is inserted with movable pull wire, one end of the pull wire is fixedly connected with pull ring, by setting up catheter body, bendable catheter and guide head composition support catheter, and setting up mounting hole and pull wire in the inside of support catheter, pull ring can be pulled when using, in turn drive guide head can be curved motion, in turn conveniently guide head can be introduced into branch blood vessel, reach the purpose that it is convenient to use, improve the use effect of the device, enhance the practicability of the device.

[0007] Preferably, the outside of the funnel-shaped pipe head is fixedly connected with a rotating plate.

[0008] Preferably, the inside of the support catheter of the catheter body, bendable catheter and guide head composition is provided with guide hole, and the inside of the guide hole is provided with guide wire.

[0009] Preferably, the bendable catheter is made of a flexible composite material.

[0010] Preferably, the support catheter composed of the catheter body, the flexible catheter and the guide head is provided with a hydrophilic coating, and the support catheter composed of the catheter body, the flexible catheter and the guide head is visible under X-ray fluoroscopy.

[0011] Preferably, the diameter of the guide wire is not more than 0.97 mm, and a luer connector is inserted into one end of the guide wire.

[0012] Advantages:

[0013] Compared with the prior art, the intracranial support catheter convenient to use has the following advantages:

[0014] The support catheter composed of the catheter body, the flexible catheter and the guide head is arranged, and the mounting hole and the pull wire are arranged in the support catheter, the pull ring is pulled to pull the pull wire during use, the guide head is driven to perform bending movement, the guide head can be conveniently introduced into the branch blood vessel, the purpose of convenient use is achieved, the use effect of the device is improved, and the practicability of the device is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Fig. 1 It is a structural schematic view of the present application;

[0017] Fig. 2 It is another structural schematic view of the present application;

[0018] Fig. 3 It is a partial sectional view of the present application.

[0019] In the drawings:

[0020] 1, catheter body; 2, flexible catheter; 3, guide head; 4, mounting hole; 5, pull wire; 6, pull ring; 7, guide hole; 101, funnel-shaped pipe head; 102, rotating plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figs. 1-3 The utility model provides a kind of intracranial support catheter of convenient use, including the support catheter of catheter body 1, bendable catheter 2 and guide head 3, the one end of catheter body 1 is provided with funnel-shaped pipe head 101, the one end of catheter body 1 away from funnel-shaped pipe head 101 is connected with bendable catheter 2, the one end of bendable catheter 2 away from catheter body 1 is connected with guide head 3, the inside of the support catheter of catheter body 1, bendable catheter 2 and guide head 3 is provided with mounting hole 4, the inside of mounting hole 4 is inserted with movable pull wire 5, one end of pull wire 5 is fixedly connected with pull ring 6, by being provided with the support catheter of catheter body 1, bendable catheter 2 and guide head 3, and mounting hole 4 and pull wire 5 are arranged in the inside of support catheter, pull ring 6 when using can pull pull wire 5, in turn drive guide head 3 can be curved motion, in turn can be conveniently introduced into branch blood vessel by guide head 3, reach the purpose of convenient use, improve the use effect of the device, enhance the practicability of the device.

[0023] Please refer to Fig. 1 、 Fig. 2 And Fig. 3 The outside of funnel-shaped pipe head 101 is fixedly connected with rotary plate 102, the inside of the support catheter of catheter body 1, bendable catheter 2 and guide head 3 is provided with guide hole 7, guide hole 7 is provided with guide wire in the inside, the diameter of guide wire is not more than 0.97mm, one end of guide wire is inserted with luer joint.

[0024] The bendable catheter 2 in the application is made of a elastic composite material, the support catheter of catheter body 1, bendable catheter 2 and guide head 3 is provided with hydrophilic coating, and the support catheter of catheter body 1, bendable catheter 2 and guide head 3 can be developed under X-ray perspective.

[0025] Working principle: setting up the support catheter of catheter body 1, bendable catheter 2 and guide head 3, and mounting hole 4 and pull wire 5 are arranged in the inside of support catheter, pull ring 6 when using can pull pull wire 5, in turn drive guide head 3 can be curved motion, in turn can be conveniently introduced into branch blood vessel by guide head 3, reach the purpose of convenient use.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An intracranial support catheter for ease of use, characterized by: The support catheter comprises a catheter body (1), a flexible catheter (2) and a guide head (3), one end of the catheter body (1) is provided with a funnel-shaped tube head (101), the end of the catheter body (1) away from the funnel-shaped tube head (101) is connected with the flexible catheter (2), the end of the flexible catheter (2) away from the catheter body (1) is connected with the guide head (3), the inside of the support catheter composed of the catheter body (1), the flexible catheter (2) and the guide head (3) is provided with a mounting hole (4), the inside of the mounting hole (4) is inserted with a movable pull wire (5), one end of the pull wire (5) is fixedly connected with a pull ring (6).

2. An intracranial support catheter for ease of use according to claim 1, wherein: The outside of the funnel-shaped tube head (101) is fixedly connected with a rotating plate (102).

3. An intracranial support catheter for ease of use according to claim 1, wherein: The inside of the support catheter composed of the catheter body (1), the flexible catheter (2) and the guide head (3) is provided with a guide hole (7), the inside of the guide hole (7) is provided with a guide wire.

4. The intracranial support catheter of claim 1, wherein: The flexible catheter (2) is made of an elastic composite material.

5. The intracranial support catheter of claim 1, wherein: The support catheter composed of the catheter body (1), the flexible catheter (2) and the guide head (3) is provided with a hydrophilic coating, and the support catheter composed of the catheter body (1), the flexible catheter (2) and the guide head (3) can be developed under X-ray perspective.

6. An intracranial support catheter for ease of use according to claim 3, wherein: The diameter of the guide wire is not more than 0.97mm, one end of the guide wire is inserted with a luer joint.