CN215461212U

CN215461212U - Connector for coronary intervention operation

Info

Publication number: CN215461212U
Application number: CN202121238119.4U
Authority: CN
Inventors: 刘安恒; 罗建平; 白亚南; 马宏宇; 高旭阳
Original assignee: BEIJING JINGMEI GROUP HOSPITAL
Current assignee: BEIJING JINGMEI GROUP HOSPITAL
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-11
Anticipated expiration: 2031-06-03

Abstract

The utility model provides a connector for coronary intervention operation, which is used for placing a guide wire and comprises: the guide wire comprises a main branch pipe and a branch pipe connected to the main branch pipe, wherein a rotary switching terminal is connected to the end of the main branch pipe, the branch pipe and the main branch pipe intersect at the front end of the rotary switching terminal, and the guide wire can be led into a catheter connected to the rear end of the rotary switching terminal through the main branch pipe and the branch pipe. The connector for coronary intervention operation is mainly matched with a catheter for use, avoids mutual interference and mutual winding among guide wires by means of one-to-one correspondence of the main branch pipe and the branch pipes and the independent guide wires, can also independently control and fix each guide wire, and has the characteristics of simplicity, reliability, convenience in operation and the like.

Description

Connector for coronary intervention operation

Technical Field

The utility model relates to the field of medical instruments, in particular to a connector for coronary intervention operation.

Background

Coronary Heart Disease (CHD) is one of the major diseases that present serious threats to human health and life safety. According to the report 2018 on cardiovascular diseases in China, the death of cardiovascular diseases (CVD) is higher than that of tumors and other diseases, and accounts for the first cause of the total death of urban and rural residents. Rural and urban cardiovascular diseases account for 45.91% and 43.56% of the causes of death in 2017, respectively. Coronary artery intervention (PCI), one of coronary heart disease treatment technologies, is rapidly developed in China, only 45 cases of PCI exist from 1984 to 1987, and more than 100 cases of PCI exist from 2019, so that a certain part of patients suffering from coronary heart disease in China can obtain better clinical benefit.

In coronary intervention, one or more guide wires are often required to be placed through a catheter according to coronary lesions and operation, especially in the process of coronary bifurcation lesion surgery. Coronary bifurcation lesion refers to the lesion of severe stenosis at the main branch and branch of the coronary artery, respectively or simultaneously, which accounts for about 30% of all coronary intervention treatments, is a common complex lesion type of coronary heart disease, and is an important research direction of coronary intervention techniques and treatment strategies. The interventional treatment of bifurcation lesion is easy to cause the plaque to be displaced and even branch vessels are occluded, thereby increasing the incidence of complications and influencing the effect of the interventional treatment.

During coronary bifurcation and other complex lesion management, it is often necessary to achieve the placement of multiple guidewires through a connector attached to the catheter in order to protect the vital branches and to strengthen the support of the catheter, but placement through a single channel may result in: (1) the guide wires are mutually wound, and the delivery of the instrument fails; (2) the interventional device is conveyed or withdrawn through the guide wire, so that other guide wires can enter or withdraw, the branch protection fails, and even serious complications such as coronary interlayer, perforation or vascular occlusion are caused, and the operation risk is increased; (3) because a plurality of guide wires are arranged, guide wire confusion and identification errors of an operator can be caused; (4) because of the concern about the change in position of the guide wire, the operator often needs to confirm and adjust the guide wire by fluoroscopy, increasing the operation time and the radiation dose.

In view of the above, the present invention is particularly proposed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a connector for coronary intervention operation, which is provided with a main pipe and branch pipes to ensure that guide wires are led in from different pipe orifices, so that when the main guide wire is operated, transported by instruments or withdrawn, other branch guide wires are not influenced, the guide wires are prevented from obviously displacing, the winding among the guide wires is reduced, the identification error of the guide wires is reduced, and the operation time of an operator and the X-ray exposure dose are further reduced.

The utility model provides a connector for coronary intervention operation, which is used for placing a guide wire and comprises: the guide wire comprises a main branch pipe and a branch pipe connected to the main branch pipe, wherein a rotary switching terminal is connected to the end of the main branch pipe, the branch pipe and the main branch pipe intersect at the front end of the rotary switching terminal, and the guide wire can be led into a catheter connected to the rear end of the rotary switching terminal through the main branch pipe and the branch pipe.

Furthermore, the main branch pipe and the end part of the branch pipe far away from the intersection are connected with a rotary controller for introducing and fixing the guide wire. Tightening the rotary control can fix the guide wire.

Further, the main branch pipe and the branch pipe are straight pipe sections, and an included angle between the main branch pipe and the branch pipe is not more than 30 degrees. As insertion of the guide wire may be inconvenient if the included angle is too large.

Further, the rotary controller comprises a screw cap and a fixed valve, and the guide wire is fixed by screwing down the screw cap and adopting the fixed valve. This facilitates adjustment of the tightness of each guide wire and gives corresponding fixation.

Furthermore, the rotary controller also comprises a hemostatic valve which is arranged at the end part of the screw cap.

Further, an open hood is provided adjacent to the rotary controller for protecting a guide wire inserted into the branch pipe and the main pipe.

Furthermore, a side pipe for connecting an infusion tube is connected to the main branch pipe. This also gives a certain reservation take-over.

The opening position of the side tube on the main tube and the opening position of the branch tube on the main tube are preferably staggered, because the manufacturing process is simplified, the branch tube is not easy to break at the bifurcation part, and in addition, the risk of carelessly entering the side tube when the guide wire enters is reduced.

The connector for coronary intervention operation is mainly matched with a catheter for use, avoids mutual interference and mutual winding among guide wires by means of one-to-one correspondence of the main branch pipe and the branch pipes and the independent guide wires, can also independently control and fix each guide wire, and has the characteristics of simplicity, reliability, convenience and safety in operation and the like.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings.

Fig. 1 is a schematic view showing a structure of a connector for coronary intervention in the present invention.

In the figure: 1-main branch pipe, 2-branch pipe, 3-rotary switching terminal, 4-rotary controller, 5-side pipe, 41-fixed valve, 42-screw cap, 43-hemostatic valve and 44-opening hood cap.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to more clearly illustrate the technical solution of the present invention, the following description is made in the form of specific embodiments.

As shown in fig. 1, the connector for coronary intervention provided by the present invention is mainly used for placing a guide wire after being matched with a catheter, and is mainly used in a coronary intervention operation process, and the connector comprises: a main branch pipe 1 and a branch pipe 2 connected to the main branch pipe 1. The end of the main branch pipe 1 is connected with a rotary switching terminal 3, the branch pipe 2 and the main branch pipe 1 are intersected at the front end of the rotary switching terminal 3, and guide wires can be led into a catheter connected to the rear end of the rotary switching terminal 3 through the main branch pipe 1 and the branch pipe 2 respectively.

In this embodiment of the present invention, there is one branch pipe 2, but it is needless to say that there may be a plurality of branch pipes 2, and in short, both the main branch pipe 1 and the branch pipe 2 are connected to the following catheter by means of the rotary connection terminal, so that the guide wire in each of the main branch pipe 1 and the branch pipe 2 is inserted into the catheter by means of the rotary connection terminal. The number of the branch pipes 2 is not too large, and is generally 1-2, because if the number is too large, the normal operation of the operation is disturbed, which is not favorable for the smooth operation.

In addition, the main branch pipe 1 and the branch pipe 2 are straight pipe sections so as to be convenient for inserting the guide wire, and the included angle between the main branch pipe 1 and the branch pipe 2 is not more than 30 degrees, because if the angle is too large, the guide wire is inconvenient to insert, and the angle is preferably smaller.

The main branch pipe 1 reaches the tip that intersection was kept away from to lateral pipe 2 all is connected with and is used for introducing and fixing the rotary controller 4 of seal wire, rotary controller 4 includes screw cap 42, standing valve 41, hemostasis valve 43 and opening hood 44, and screw cap 42 can realize screwing up the seal wire to adopt standing valve 41 to fix it, opening hood 44 is next-door neighbour rotary controller sets up, covers the back with opening hood 44 after inserting the seal wire like this, can realize the protection to the seal wire.

In addition, a side tube 5 for connecting an infusion tube is connected to the main branch tube 1 of the present invention.

In the specific coronary operation process, the main branch guide wire and the branch guide wire/the support guide wire (more than or equal to 1) are respectively placed in through the two rotary controllers 4, when the main branch guide wire is operated, conveyed by an instrument or withdrawn, the side rotary controllers 4 are screwed down to fix other guide wires, the guide wires are prevented from obviously displacing, the winding of the guide wires and the identification error of the guide wires, and the operation time of an operator and the exposure dose of X rays are further reduced.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not intended to be limiting. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model, and these changes and modifications are to be considered as within the scope of the utility model.

Claims

1. A connector for coronary intervention for use in implanting a guidewire, comprising: the guide wire comprises a main branch pipe and a branch pipe connected to the main branch pipe, wherein a rotary switching terminal is connected to the end of the main branch pipe, the branch pipe and the main branch pipe intersect at the front end of the rotary switching terminal, and the guide wire can be led into a catheter connected to the rear end of the rotary switching terminal through the main branch pipe and the branch pipe.

2. The connector of claim 1, wherein a rotation controller is connected to each of the main branch and the end of the branch remote from the junction for introducing and fixing the guide wire.

3. The connector of claim 2, wherein the rotation controller comprises a screw cap and a fixation valve, wherein the guide wire is screwed by the screw cap and fixed by the fixation valve.

4. The connector of claim 2, wherein the rotation controller further comprises a hemostatic valve disposed at an end of the screw cap.

5. A connector according to claim 2, wherein the main branch and the branch pipe are straight pipe sections, the angle between which is no greater than 30 °.

6. A connector according to any of claims 2 to 5, wherein an open cap is provided adjacent the rotary control for protecting a guide wire inserted into the branch pipe and the main pipe.

7. A connector according to any one of claims 1 to 5, wherein a side tube for connecting a liquid supply line is further connected to the main branch tube.