Cardiovascular expansion device

Abstract

The utility model discloses a cardiovascular dilatation device, relates to medical equipment technical field, including connecting tube, balloon, support wire and connector, said connecting tube is inserted with the trachea, said trachea one end extends out of connecting tube, said connecting tube outside is fixedly connected with the fixed ring, said fixed ring one side is provided with balloon, said connecting tube one side is provided with the support wire, said connecting tube one side is provided with the support wire. One end of the air bag is glued with the fixing ring, the interior of the air bag is communicated with the trachea, the other end of the air bag is provided with the movable ring, and sufficient space between the supporting wires ensures that the interior of the blood vessel keeps a good circulation rate; in addition, the air bag is designed to be in a corrugated pipe shape and only stretches out and draws back during inflation, resistance to the interior of the blood vessel is greatly reduced, operation of the device in the blood vessel is safer and more effective through the design, and meanwhile the risk of damage to the inner wall of the blood vessel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a kind of cardiovascular dilatation device. BACKGROUND

[0002] Blood vessel dilatation device is often used in cardiovascular surgery, and the blood vessel is dilated in the operation, so as to facilitate the operation, by searching, the patent with Chinese patent announcement No.CN207137141U discloses a kind of cardiovascular dilatation device, although the device utilizes annular air bag to inflate support to blood vessel stent, air bag is designed olive shape, is provided with recess, it is convenient to make blood circulation, solve the problem that existing design central blood vessel dilatation operation will block blood circulation, but due to air bag in inflation expansion process extrude the recess of outside, to cause the recess section of air bag outside to be small, to further reduce the blood flow rate of blood vessel. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies of the prior art, the utility model provides a kind of cardiovascular dilatation device, solve the problem that the air bag of existing device in background art in inflation expansion process extrude the recess of outside, to further reduce the blood flow rate of blood vessel.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of cardiovascular dilatation device, including connecting pipe, air bag, support wire and connecting head, the air tube is inserted in the connecting pipe, the air tube one end extends out of the connecting pipe, the connecting pipe is fixedly connected with the fixed ring outside, the fixed ring is provided with air bag on one side, the air bag one end is glued with the fixed ring, the air bag is communicated with the air tube inside, the air bag other end is provided with movable ring, the movable ring is slidably contacted with the outer wall of slide bar inside, the slide bar one end is welded with the connecting pipe, and the slide bar other end is welded with the connecting head, the connecting head outer wall is welded with the support wire one end, the support wire other end is welded with the movable ring.

[0005] Preferably, the connecting pipe is hollow, and the connecting pipe as a whole has a spring-like structure, so that the connecting pipe can bend to adapt to the shape of the blood vessel and provide sufficient propulsion when moving inside the blood vessel.

[0006] Preferably, the air bag has a tubular structure, the inner wall of the air bag is in sliding contact with the outer wall of the connecting pipe, and the outer wall of the air bag has a corrugated tubular surface. Since the air bag is corrugated, it only expands and contracts when inflated, greatly reducing the resistance to the blood vessel.

[0007] Preferably, the support wire has an arc shape, is made of elastic metal material, and is arranged in a ring shape around the slide bar at equal intervals. Since there is sufficient space between the support wires, the blood vessel can maintain a good flow rate.

[0008] Preferably, the connecting head is in a spherical structure, and the surface of the connecting head is in a smooth surface, so that the damage to the inner wall of the blood vessel of the patient is greatly reduced.

[0009] The sliding rod is made of elastic wire-shaped metal material, facilitating movement inside the blood vessel

[0010] The utility model provides a kind of cardiovascular dilatation device.It has the following beneficial effects:

[0011] (1), the cardiovascular dilatation device, the one end of the device is pushed to the predetermined position in the blood vessel by the connecting pipe;Air tube is inflated using external inflation equipment, so that the air in the air tube enters the air bag, causing the air bag to expand and the one end of the air bag to extend;This extension action pushes the movable ring to slide along the outer wall of the sliding rod, and then squeezes one end of the support wire to make it bend;Multiple support wires bend outward, thereby providing support and expansion to the inner wall of the cardiovascular, which helps blood circulation;The sufficient space between the support wires ensures that the inside of the blood vessel maintains good flow rate;In addition, the air bag is designed as a bellows, which only expands and contracts when inflated, greatly reducing the resistance to the inside of the blood vessel.This design makes the device safer and more effective in the blood vessel, while reducing the risk of damage to the inner wall of the blood vessel.

[0012] (2), the cardiovascular dilatation device, since the connecting pipe is in a spring pipe structure, the connecting pipe can adapt to the shape of the blood vessel and bend, and can provide sufficient propulsion when moving inside the blood vessel, and the connecting head at the end is in a spherical structure, greatly reducing the damage to the inner wall of the blood vessel of the patient.

[0013] Thus, the problem that the air bag of the existing device can squeeze the groove on the outside during inflation and expansion, thereby reducing the flow rate of the blood vessel, is solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the sliding rod structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the air bag structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the connecting head structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the support wire structure of the utility model.

[0019] In the figure, 1, connecting pipe; 2, air pipe; 3, fixed ring; 4, air bag; 5, movable ring; 6, supporting wire; 7, sliding rod; 8, connecting head. DETAILED DESCRIPTION

[0020] 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 protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1-5 The utility model embodiment provides a technical scheme: a cardiovascular dilatation device, including connecting pipe 1, air bag 4, supporting wire 6 and connecting head 8, air pipe 2 is inserted in connecting pipe 1, and there is a hole groove on the outer wall of connecting pipe 1, which is used for air bag 4 and air pipe 2 to communicate, one end of air pipe 2 extends out of the inside of connecting pipe 1, and fixed ring 3 is fixedly connected to the outside of connecting pipe 1, air bag 4 is arranged on one side of fixed ring 3, one end of air bag 4 is glued to fixed ring 3, air bag 4 is in communication with air pipe 2 inside, and movable ring 5 is arranged at the other end of air bag 4, movable ring 5 is in sliding contact with the outer wall of sliding rod 7 inside, one end of sliding rod 7 is welded to connecting pipe 1, and the other end of sliding rod 7 is welded to connecting head 8, the outer wall of connecting head 8 is welded to one end of supporting wire 6, and the other end of supporting wire 6 is welded to movable ring 5, air bag 4 is in tubular structure, the inner wall of air bag 4 is in sliding contact with the outer wall of connecting pipe 1, and the outer wall of air bag 4 is in corrugated pipe surface, when the device is used, one end of the device is pushed into the specified position inside the blood vessel through connecting pipe 1, then the inside of air pipe 2 is inflated through the external inflation equipment, the air inside air pipe 2 enters the inside of air bag 4, then one end of air bag 4 is stretched out after being inflated, then the one end of air bag 4 can push movable ring 5 to move, movable ring 5 slides through the outer wall of sliding rod 7, then one end of supporting wire 6 is extruded, so that supporting wire 6 can be bent, supporting wire 6 can support and dilate the inner wall of cardiovascular by being bent outward, then it is beneficial to the flow of blood, because there is sufficient space between supporting wire 6, the flow rate inside the blood vessel can be kept better, and because air bag 4 is in corrugated pipe, only stretching and contraction are carried out when being inflated, which greatly reduces the resistance inside the blood vessel.

[0023] Embodiment 2

[0024] The utility model discloses an embodiment provides a technical scheme: a cardiovascular dilatation device, the hollow structure is presented in connecting pipe 1 inside, connecting pipe 1 whole spring shape structure is presented, support silk 6 arc shape structure is presented, support silk 6 is elastic metal material, and support silk 6 is around slide rod 7 and is distributed with annular equidistance, connecting head 8 spherical shape structure is presented, the surface of connecting head 8 is smooth surface, because connecting pipe 1 is spring pipe shape structure, make connecting pipe 1 can adapt to the shape of blood vessel and bend, can provide enough propulsion when moving in the inside of blood vessel, because the end connecting head 8 is spherical structure in the propulsion process, greatly reduce the damage to the inner wall of patient's blood vessel.

[0025] Working principle:

[0026] The device is used, and one end of the device is sent into the specified position in the blood vessel through connecting pipe 1;Subsequently, the trachea 2 is inflated by using the external inflation equipment, and the air in the trachea 2 enters the air bag 4, so that the air bag 4 is inflated and the movable ring 5 is moved;The movable ring 5 slides along the outer wall of the slide rod 7, extrudes one end of the support silk 6, so that the support silk 6 is bent, and the plurality of support silks 6 are bent outward, so as to provide support and expansion to the inner wall of the cardiovascular, promote blood circulation;The space between the support silks 6 keeps the good flow rate inside the blood vessel, and the air bag 4 in the bellows shape only stretches and contracts when inflated, reduces the resistance to the inside of the blood vessel, the connecting pipe 1 adopts the spring pipe shape structure, can adapt to the shape of the blood vessel and provide enough propulsion, and the spherical connecting head 8 at the end reduces the damage to the inner wall of the blood vessel of the patient;Such design makes the device smoothly advance in the blood vessel, and protects the blood vessel from being damaged.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical scheme, and the specification is described in this way only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical scheme in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A cardiovascular dilation device, characterized in that: The device includes a connecting tube (1), an airbag (4), a support wire (6), and a connector (8). An air tube (2) is inserted inside the connecting tube (1). One end of the air tube (2) extends out of the connecting tube (1). A fixing ring (3) is fixedly connected to the outside of the connecting tube (1). An airbag (4) is provided on one side of the fixing ring (3). One end of the airbag (4) is glued to the fixing ring (3). The inside of the airbag (4) is connected to the air tube (2). A movable ring (5) is provided at the other end of the airbag (4). The inside of the movable ring (5) is in sliding contact with the outer wall of the slide rod (7). One end of the slide rod (7) is welded to the connecting tube (1), and the other end of the slide rod (7) is welded to the connector (8). The outer wall of the connector (8) is welded to one end of the support wire (6), and the other end of the support wire (6) is welded to the movable ring (5).

2. The cardiovascular dilation device according to claim 1, characterized in that: The connecting pipe (1) has a hollow internal structure, and the connecting pipe (1) as a whole has a spring-like structure.

3. The cardiovascular dilation device according to claim 1, characterized in that: The airbag (4) has a tubular structure, the inner wall of the airbag (4) slides in contact with the outer wall of the connecting tube (1), and the outer wall of the airbag (4) has a corrugated tubular surface.

4. The cardiovascular dilation device according to claim 1, characterized in that: The support wire (6) has an arc-shaped structure and is made of elastic metal. The support wire (6) is distributed in a ring with equal spacing around the slide rod (7).

5. The cardiovascular dilation device according to claim 1, characterized in that: The connector (8) has a spherical structure and a smooth surface.

Images