CN218739832U

CN218739832U - Percutaneous intervention myocardial protection liquid perfusion catheter

Info

Publication number: CN218739832U
Application number: CN202220882815.7U
Authority: CN
Inventors: 耿涛; 苑伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2023-03-28
Anticipated expiration: 2032-04-15

Abstract

The utility model provides a pipe is filled to myocardial protection liquid is intervene to percutaneous, fill the body including the protection liquid, the protection liquid fills the body and mainly comprises the triplex main structure: the liquid guiding pipe comprises a liquid guiding pipe body, a one-way backflow flow blocking structure and a reinforcing limiting structure, wherein the one-way backflow flow blocking structure and the reinforcing limiting structure are both arranged inside the liquid guiding pipe body, the one-way backflow flow blocking structure and the reinforcing limiting structure are auxiliary structures of the liquid guiding pipe body, the two one-way backflow flow blocking structures are arranged, and the reinforcing limiting structure is provided with a plurality of reinforcing limiting structures. The utility model discloses only be provided with a main chamber that fills on the whole of the body is filled to the protection liquid, and the drain cavity that the protection liquid was filled on the body is for filling the sprue, has seted up unexpected discharge hole and mouth of pipe on the drain cavity equally, can avoid the not good condition in whole wall bottom through being provided with the single chamber that fills.

Description

Percutaneous intervention myocardial protection liquid perfusion catheter

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a percutaneous intervention myocardium protection liquid fills pipe.

Background

When the operation is performed on the heart, a myocardial protection solution needs to be perfused into the heart to enable the heart to be in an electromechanical activity static state (namely, cardiac arrest), so that the safe and efficient operation is ensured and the heart is protected; the external surface of the heart or the ascending aorta is adhered to the sternum after the first cardiac operation, and the sternum is longitudinally split when the adhesion occurs, so that the risk of tearing the heart and the ascending aorta is caused, blood in the heart and the ascending aorta is flushed out, and serious operation accidents are caused; when encountering a significantly enlarged heart or a significantly dilated ascending aorta, the heart or the ascending aorta is close to the posterior sternum, and the sternum is split longitudinally, the risk of tearing the heart or the ascending aorta also exists, and the perfusion catheter has the following defects or problems: offer a plurality of different cavities in the current pipe and pour into protection liquid and shadow liquid into, the cavity that should set up can cause the intensity of whole pipe to reduce, and heart or external muscle can be with the inside cavity extrusion of this pipe jam, cause inside unable smooth perfusion, secondly, have certain distance after filling the completion and the condition that slight backward flow appears, cause the filling effect and the filling effect that begins to have certain difference.

Therefore, the invention of a percutaneous intervention myocardial protection liquid perfusion catheter is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pipe is filled to myocardial protection liquid is intervene to percutaneous, fill the body including the protection liquid, the protection liquid fills the body and mainly comprises the triplex main structure: drain body, one-way backward flow choked flow structure and reinforcement limit structure, one-way backward flow choked flow structure all sets up in the inside of drain body with reinforcement limit structure, and one-way backward flow choked flow structure and reinforcement limit structure are the auxiliary structure of drain body, and one-way backward flow choked flow structure is provided with two, and reinforcement limit structure is provided with a plurality ofly.

The drainage pipe body is composed of four parts of structures: the protection liquid injection pipe is a pipe body made of a transparent hose, a cavity formed in the protection liquid injection pipe is a liquid guide cavity, an auxiliary liquid discharge hole is formed in one end of the protection liquid injection pipe, the auxiliary liquid discharge hole is formed in the lower position of the protection liquid injection pipe, and two hollow auxiliary expansion balls are arranged on the protection liquid injection pipe.

The one-way backflow flow resisting structure is composed of four parts: the auxiliary liquid injection pipe orifice is arranged on the protective liquid injection pipe, the auxiliary liquid injection pipe orifice is mainly arranged above the center of the auxiliary expansion ball, and the auxiliary liquid injection pipe orifice is communicated with a liquid guide cavity of the liquid guide pipe body.

The lower part of the inside of the liquid injection auxiliary pipe orifice is clamped with a backflow blocking ball, the backflow blocking ball is provided with an extraction discharge hole, the extraction discharge hole is a cavity which is arranged in a Y shape, the extraction discharge hole is communicated with the liquid guide cavity of the liquid guide pipe body, the lower part of the backflow blocking ball is connected with the upper end of a limiting rope, and the lower end of the limiting rope is connected with the inside of the inner side of the liquid guide cavity of the liquid guide pipe body.

The reinforcing and limiting structure is composed of four parts: the central limiting ball is arranged in the central area of the liquid guiding cavity of the liquid guiding pipe body, and the central limiting ball is a ball body made of solid balls.

Five positioning grooves are formed in the periphery of the central limiting ball, the bottom surface of the inner side of each positioning groove is connected with one end of the reinforcing support stay cord, the other end of the reinforcing support stay cord is connected with one end of the positioning protrusion, and the other end of the positioning protrusion is arranged inside the inner side of the liquid guide cavity of the liquid guide pipe body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses only be provided with a main chamber that fills on the whole of the body is filled to the protection liquid, and the drain cavity that the protection liquid was filled on the body is for filling the sprue, has seted up unexpected discharge hole and mouth of pipe on the drain cavity equally, can avoid the not good condition in whole wall bottom through being provided with the single chamber that fills.

2. The utility model discloses the one-way backward flow choked flow structure setting of body is filled to protection liquid, then blocks the liquid that the ball blockked the backward flow through the structural backward flow of one-way backward flow choked flow, and the backward flow blocks the ball and can form a comparatively balanced space for supplementary inflation ball, avoids the inside liquid of supplementary inflation ball to appear backward flow, secondly, when external suction breaks the inside balanced atmospheric pressure space of supplementary inflation ball, liquid in the supplementary inflation ball through the backward flow block the extraction discharge hole alright discharge of ball outside.

3. The utility model discloses the reinforcement limit structure setting of body is filled to protection liquid, then fills the chamber through the effectual limit heart of reinforcement limit structure or muscle extrusion and causes to fill into the awkward condition that is not fluent, secondly, consolidates the reinforcement on the limit structure and props the pull rope and can strengthen the bulk strength who fills the chamber, consolidates and props the pull rope and can reduce the tension of liquid to filling the chamber.

Drawings

Fig. 1 is a schematic diagram of a half-section structure of the present invention.

Fig. 2 is a schematic view of a part a of the enlarged assembly of fig. 1 according to the present invention.

Fig. 3 is a schematic view of a part B of the enlarged assembly of fig. 1 according to the present invention.

In the figure:

the protection liquid fills body 1, drain body 2, one-way backward flow choked flow structure 3, consolidates limit structure 4, protection liquid injection tube 5, leads liquid cavity 6, vice outage 7, supplementary inflation ball 8, annotates the vice mouth of pipe 9 of liquid, and the backward flow blocks ball 10, draws discharge hole 11, restriction rope 12, central spacing ball 13, positioning groove 14, location arch 15, and the reinforcement props stay cord 16.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only 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 efforts shall belong to the protection scope of the present invention.

In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 to 3:

the utility model provides a pair of myocardial protection liquid fills pipe is intervene to percutaneous, fill body 1 including the protection liquid, drain body 2, one-way backward flow choked flow structure 3, consolidate limit structure 4, protection liquid injection tube 5, drain cavity 6, vice outage 7, supplementary inflation ball 8 annotates the vice mouth of pipe 9 of liquid, and the backflow blocks ball 10, extracts the discharge hole 11, and restriction rope 12, central spacing ball 13, positioning groove 14, location arch 15 and reinforcement brace stay cord 16, wherein: the protective liquid perfusion tube body 1 mainly comprises three main structures: drain body 2, one-way backward flow choked flow structure 3 and reinforcement limit structure 4 all set up in the inside of drain body 2, and one-way backward flow choked flow structure 3 and reinforcement limit structure 4 are the auxiliary structure of drain body 2, and one-way backward flow choked flow structure 3 is provided with two, and reinforcement limit structure 4 is provided with a plurality ofly, and drain body 2 comprises four part structures: the protective liquid injection device comprises a protective liquid injection pipe 5, a liquid guide cavity 6, an auxiliary liquid discharge hole 7 and auxiliary expansion balls 8, wherein the protective liquid injection pipe 5 is a pipe body made of a transparent hose, the cavity formed in the protective liquid injection pipe 5 is the liquid guide cavity 6, the auxiliary liquid discharge hole 7 is formed in one end of the protective liquid injection pipe 5, the auxiliary liquid discharge hole 7 is formed in the lower position of the protective liquid injection pipe 5, and the protective liquid injection pipe 5 is provided with the two hollow auxiliary expansion balls 8.

The first embodiment is as follows:

a backflow blocking ball 10 is clamped below the inner part of the liquid injection auxiliary pipe orifice 9, an extraction discharge hole 11 is formed in the backflow blocking ball 10, the extraction discharge hole 11 is a cavity formed in a Y shape, the extraction discharge hole 11 is communicated with a liquid guide cavity 6 of the liquid guide pipe body 2, the lower part of the backflow blocking ball 10 is connected with the upper end of a limiting rope 12, five positioning grooves 14 are formed in the periphery of a central limiting ball 13, the bottom surface of the inner side of each positioning groove 14 is connected with one end of a reinforcing support stay rope 16, the other end of the reinforcing support stay rope 16 is connected with one end of a positioning bulge 15, only one main filling cavity is arranged on the whole protection liquid filling pipe body 1, the liquid guide cavity 6 on the protection liquid filling pipe body 1 is a filling main runner or a filling cavity, the liquid guide cavity 6 is also provided with an unexpected discharge hole and a pipe orifice, and the situation of poor bottom of the whole wall can be avoided by arranging a single filling cavity; the one-way backflow blocking structure 3 of the protection liquid filling pipe body 1 is arranged, backflow liquid is blocked by the backflow blocking ball 10 on the one-way backflow blocking structure 3, the backflow blocking ball 10 can form a relatively balanced space for the auxiliary expansion ball 8, backflow of the liquid inside the auxiliary expansion ball 8 is avoided, and secondly, when external suction force breaks the balanced air pressure space inside the auxiliary expansion ball 8, the liquid inside the auxiliary expansion ball 8 can be discharged outside through the extraction discharge hole of the backflow blocking ball 10; the reinforcing limit structure 4 that body 1 was filled to protection liquid sets up, then fills the chamber through reinforcing the effectual limit heart of limit structure 4 or muscle extrusion and causes the awkward condition of filling not smoothly, and secondly, reinforcing on the reinforcing limit structure 4 props the bulk strength that the stay cord 15 can strengthen filling the chamber, and the reinforcing props the stay cord and can reduce the tension of liquid to filling the chamber.

The second embodiment:

the defects or problems proposed in the above background art are mainly solved by the liquid guiding pipe body 2, the one-way backflow flow blocking structure 3 and the reinforcing limiting structure 4 of the protective liquid pouring pipe body 1: liquid is injected into through drain cavity 6 on drain body 2 protection liquid injection pipe 5, liquid is discharged through vice outage 7, wherein liquid passes one-way backward flow choked flow structure 3 and enters into supplementary inflation ball 8, the inside of supplementary inflation ball 8 is injected after accomplishing, the inside below that supplementary mouth of pipe 9 will be annotated to the ball 10 that blocks that backflows blocks stops, when external suction breaks the inside atmospheric pressure of supplementary inflation ball 8, liquid blocks the extraction discharge hole 11 discharge of ball 10 through backflowing, when external extrusion drain body 2, the location arch 15 that the drain body 2 consolidates restriction structure 4 inserts inside the positioning groove 14 of central spacing ball 13, space between the central spacing ball 1 still can supply liquid to pour into, secondly, consolidate and prop stay cord 16 can pull the drain cavity 6 of drain body 2 through location arch 15.

Utilize technical scheme, or technical staff in the field is in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a percutaneous intervention myocardium protection liquid fills pipe, includes protection liquid fills body (1), its characterized in that, protection liquid fills body (1) mainly comprises three parts main structure: drain body (2), one-way backward flow choked flow structure (3) and reinforcement limit structure (4) all set up in the inside of drain body (2), one-way backward flow choked flow structure (3) and reinforcement limit structure (4) are the auxiliary structure of drain body (2), one-way backward flow choked flow structure (3) are provided with two, reinforcement limit structure (4) are provided with a plurality ofly.

2. The percutaneous, interventional cardioprotective perfusion catheter of claim 1, wherein: the liquid guide pipe body (2) is composed of four parts of structures: protection liquid injection pipe (5), drain cavity (6), vice outage (7) and supplementary inflation ball (8), protection liquid injection pipe (5) are the body that adopts the transparent hose to make, the inside cavity of opening of protection liquid injection pipe (5) is drain cavity (6), vice outage (7) have been seted up to the one end of protection liquid injection pipe (5), the below position in protection liquid injection pipe (5) is seted up in vice outage (7), be provided with two hollow supplementary inflation balls (8) on protection liquid injection pipe (5).

3. The percutaneous, interventional cardioprotective perfusion catheter of claim 1, wherein: the one-way backflow flow resisting structure (3) is composed of four parts: the liquid injection auxiliary pipe orifice (9), the backflow blocking ball (10), the extraction discharge hole (11) and the limiting rope (12) are arranged, the liquid injection auxiliary pipe orifice (9) is arranged on the protective liquid injection pipe (5), the liquid injection auxiliary pipe orifice (9) is mainly arranged above the center of the auxiliary expansion ball (8), and the liquid injection auxiliary pipe orifice (9) is communicated with the liquid guide cavity (6) of the liquid guide pipe body (2).

4. The percutaneous, interventional myocardial protective fluid perfusion catheter of claim 3, wherein: the liquid injection auxiliary pipe orifice (9) is internally provided with a backflow blocking ball (10) in a clamping manner below, the backflow blocking ball (10) is provided with an extraction discharge hole (11), the extraction discharge hole (11) is a cavity formed in a Y shape, the extraction discharge hole (11) is communicated with a liquid guide cavity (6) of the liquid guide pipe body (2), the lower side of the backflow blocking ball (10) is connected with the upper end of a limiting rope (12), and the lower end of the limiting rope (12) is connected with the inner side of the liquid guide cavity (6) of the liquid guide pipe body (2).

5. The percutaneous interventional myocardial protective fluid perfusion catheter of claim 1, wherein: the reinforcing and limiting structure (4) is composed of four parts: center spacing ball (13), positioning groove (14), location arch (15) and reinforcement prop stay cord (16), and center spacing ball (13) set up in the central zone of drain cavity (6) of drain body (2), and center spacing ball (13) are the spheroid that adopts the solid sphere to make.

6. The percutaneous interventional myocardial protective fluid perfusion catheter of claim 5, wherein: five positioning grooves (14) are formed in the periphery of the central limiting ball (13), the inner side bottom surface of each positioning groove (14) is connected with one end of the reinforcing stay cord (16), the other end of the reinforcing stay cord (16) is connected with one end of the positioning protrusion (15), and the other end of the positioning protrusion (15) is arranged inside the inner side of the drainage cavity (6) of the drainage pipe body (2).