Plugging device conveying catheter for interventional therapy of heart disease

Abstract

The utility model belongs to the technical field of medical instruments, particularly relates to an occluder conveying catheter for interventional therapy of heart diseases, and aims to solve the problems that an existing conveying catheter lacks a device for positioning a guide wire and is inconvenient for blood drainage, and the following scheme is provided: the occluder conveying catheter comprises a connecting box, and a catheter is fixedly arranged on the inner wall of one side of the connecting box; one end of the catheter extends to the outer side of the connecting box and is fixedly provided with a conical guide head, the occluder conveying catheter further comprises a guide wire, and the guide wire penetrates through the connecting box, the catheter and the conical guide head; after the guide wire is inserted from the connecting box, the guide wire can be moved to a designated position along a blood vessel, after the guide wire is moved, the guide wire can be conveniently positioned, blood can be conveniently drained when interventional therapy is performed on a patient, and therefore in the actual use process, the guide wire can be conveniently moved to the designated position along the blood vessel. And the practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, and it is a kind of occluder delivery catheter for interventional therapy of heart disease. BACKGROUND

[0002] Cardiac intervention therapy is a new type of diagnosis and treatment of cardiovascular disease technology, without thoracotomy, under the guidance of imaging method, through puncture body surface blood vessel, with certain instrument, catheter is sent to pathological site, and through specific cardiac catheter operation technique, it is the diagnosis and treatment method for diagnosing and treating heart disease, it is the more advanced cardiac diagnosis and treatment method currently, and the progress is very rapid, it is between internal medicine treatment and surgical treatment, and is a kind of invasive diagnosis and treatment method.It includes coronary angiography, PTCA+stent surgery, mitral balloon dilatation, radiofrequency ablation, pacemaker implantation, interventional therapy for congenital heart disease, coronary thrombolysis in catheter;

[0003] The delivery catheter used in clinical cardiac intervention therapy lacks a device for positioning the guide wire in the actual application process, so that the guide wire is difficult to be stably positioned after being moved to the specified position, and an external drainage device is needed when draining blood, so that it is more troublesome in actual use, therefore, the occluder delivery catheter for interventional therapy of heart disease is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings that the current delivery catheter lacks a device for positioning the guide wire and is inconvenient for blood drainage in the prior art, and provides an occluder delivery catheter for interventional therapy of heart disease.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An occluder delivery catheter for interventional therapy of heart disease includes a connection box, a catheter is fixedly installed on the inner wall of one side of the connection box, one end of the catheter extends to the outside of the connection box and is fixedly installed with a conical guide head, and the occluder delivery catheter further includes:

[0007] A guide wire, the guide wire penetrates the connection box, the catheter and the conical guide head respectively;

[0008] An adhesive mechanism, the adhesive mechanism is installed on the catheter, and the adhesive mechanism is used for positioning the catheter;

[0009] A drainage mechanism, the drainage mechanism is installed on the bottom inner wall of the connection box, and the bottom of the drainage mechanism extends to the lower side of the connection box;

[0010] A fixing mechanism, the fixing mechanism is installed in the connection box, the guide wire penetrates the fixing mechanism, and the fixing mechanism is used for clamping and positioning the guide wire.

[0011] In a possible design, the bonding mechanism comprises a connecting band sleeved on the catheter, and a bonding strip is fixedly installed at the bottom of the connecting band.

[0012] In a possible design, the drainage mechanism comprises a connector pipe fixedly installed on the inner wall of the bottom of the connecting box, the bottom end of the connector pipe extends below the connecting box and is connected with a connector assembly, a hose is installed on the connector assembly, and a balloon is fixedly installed at the bottom end of the hose.

[0013] In a possible design, the connector assembly comprises a cap sleeved on the connector pipe, an opening and closing pipe is fixedly installed at the bottom of the cap, the bottom end of the opening and closing pipe is fixedly connected with the hose, a ball valve is installed in the opening and closing pipe, and the handle of the ball valve extends to the outside of the opening and closing pipe.

[0014] In a possible design, the fixing mechanism comprises a sealing plate fixedly installed in the connecting box, the guide wire penetrates through the sealing plate, two threaded clamping pieces are symmetrically fixedly installed on one side of the sealing plate, and the same nut is threadedly connected with the two threaded clamping pieces.

[0015] In a possible design, a rubber blocking ring is fixedly installed on the other side of the sealing plate, the guide wire penetrates through the rubber blocking ring and is in contact with the inner wall of the rubber blocking ring.

[0016] In the application, first, the catheter is inserted into the blood vessel of the patient, then the bonding strip is bonded to the body of the patient to position the catheter, then the guide wire is inserted from the sealing plate and penetrates through the connecting box, the catheter and the conical guide head and is inserted into the blood vessel, after the guide wire is inserted into the specified position, the nut is rotated to be threadedly connected with the two threaded clamping pieces, at this time, the two threaded clamping pieces are inwards contracted to clamp and position the guide wire, so that the guide wire is limited, when blood needs to be drained in actual use, the ball valve is opened to make the opening and closing pipe in an open state, at this time, the blood entering the connecting box can be conveyed into the balloon through the connector pipe, the opening and closing pipe and the hose, so that the blood can be drained, and after the connector pipe is disengaged from the cap, the connector pipe can discharge the gas entering the connecting box, so that the gas can be conveniently discharged, and the guide wire has good plasticity, so that the guide wire can move along the direction of the blood vessel and good support can be provided.

[0017] Advantages:

[0018] In the application, the bonding mechanism can be used to bond the bonding strip to the body of the patient after the catheter is inserted into the blood vessel of the patient, so that the catheter can be positioned to prevent the catheter from being moved at will.

[0019] The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through drainage mechanism, can in the joint assembly with joint pipe is connected after, the blood that can enter the catheter at this moment can be transported to the balloon through joint pipe, joint assembly and hose to realize the drainage to blood,

[0020] The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out,

[0021] The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out, DRAWINGS

[0022] Figure 1 The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out,

[0023] Figure 2 The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out,

[0024] Figure 3 The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out,

[0025] Figure 4 The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out,

[0026] Figure 5 The utility model discloses an occluder delivery catheter for interventional therapy of heart disease, through the fixed mechanism, can in the guide wire is moved to the specified position after, the screw cap can be screwed with two screw clamps at this moment, and two screw clamps can be shrunk to the stable clamping positioning of guide wire can be carried out,

[0027] In the drawing: 1, connection box;2, catheter;3, connecting belt;4, adhesive strip;5, conical guide head;6, guide wire;7, sealing plate;8, rubber stop ring;9, joint pipe;10, cap;11, open-close pipe;12, hose;13, balloon;14, ball valve;15, screw clamp;16, screw cap. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Embodiment 1

[0029] With reference to Figures 1-5 A plugging device delivery catheter, comprising a connecting box 1, a catheter 2 is fixedly installed on the inner wall of one side of the connecting box 1, one end of the catheter 2 extends to the outside of the connecting box 1 and is fixedly installed with a conical guide head 5, in the embodiment, the plugging device delivery catheter further comprises the following components:

[0030] A guide wire 6 penetrates through the connecting box 1, the catheter 2 and the conical guide head 5 respectively, the guide wire 6 is used for guiding the catheter 2 and the plugging device to enter the patient's body and reach the designated treatment position.

[0031] An adhesion mechanism is installed on the catheter 2 and is used for positioning the catheter 2, specifically, the adhesion mechanism comprises a connecting band 3 sleeved on the catheter 2, the bottom of the connecting band 3 is fixedly installed with an adhesion strip 4, after the catheter 2 is inserted into the blood vessel of the patient, the adhesion strip 4 can be adhered to the patient's body at this time, so that the catheter 2 can be positioned and the movement of the catheter 2 in the operation process is prevented.

[0032] A drainage mechanism is installed on the bottom inner wall of the connecting box 1 and extends to the lower side of the connecting box 1, the drainage mechanism comprises a joint pipe 9 fixedly installed on the bottom inner wall of the connecting box 1, the bottom end of the joint pipe 9 extends to the lower side of the connecting box 1 and is connected with a joint assembly, the joint assembly is installed with a hose 12, the bottom end of the hose 12 is fixedly installed with a balloon 13, after the joint assembly is connected with the joint pipe 9, the blood entering the catheter 2 can be conveyed to the balloon 13 through the joint pipe 9, the joint assembly and the hose 12, so that the blood drainage is realized and the blood accumulation in the connecting box 1 is avoided.

[0033] Further, the joint assembly comprises a cap 10 clamped on the joint pipe 9, the bottom of the cap 10 is fixedly installed with an opening and closing pipe 11, the bottom end of the opening and closing pipe 11 is fixedly connected with the hose 12, the opening and closing pipe 11 is installed with a ball valve 14, the handle of the ball valve 14 extends to the outside of the opening and closing pipe 11, after the cap 10 is clamped with the joint pipe 9, the opening and closing pipe 11 can be opened or closed by rotating the handle of the ball valve 14, so that the blood drainage operation is facilitated.

[0034] The fixing mechanism is installed in the connecting box 1, the guide wire 6 penetrates through the fixing mechanism, and the fixing mechanism is used for clamping and positioning the guide wire 6, so that the guide wire 6 is prevented from slipping or shifting during the operation. Specifically, the fixing mechanism comprises a sealing plate 7 fixedly installed in the connecting box 1, the guide wire 6 penetrates through the sealing plate 7, one side of the sealing plate 7 is symmetrically fixedly provided with two threaded clamping pieces 15, the same nut 16 is threadedly connected to the two threaded clamping pieces 15, after the guide wire 6 is moved to the specified position, the nut 16 is threadedly connected with the two threaded clamping pieces 15, so that the two threaded clamping pieces 15 can be contracted, so that the guide wire 6 can be stably clamped and positioned.

[0035] The present application can be used in the field of medical instruments, and can also be used in other fields applicable to the present application. Embodiment 2

[0036] Reference Figure 3 On the basis of the first embodiment, an occlusion device delivery catheter for interventional treatment of heart disease is applied to the field of medical instruments, and further, the other side of the sealing plate 7 is fixedly provided with a rubber stop ring 8, the guide wire 6 penetrates through the rubber stop ring 8 and contacts the inner wall of the rubber stop ring 8, the guide wire 6 is wrapped by the rubber stop ring 8, so that the blood flowing into the connecting box 1 can be prevented from being blocked, and blood leakage is avoided, and at the same time, the guide wire 6 can be freely pulled out, so that when the guide wire 6 needs to be replaced, it can be directly pulled out and replaced, which is convenient.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An occluder delivery catheter for interventional treatment of heart disease, comprising a connecting box (1), a catheter (2) is fixedly installed on the inner wall of one side of the connecting box (1), one end of the catheter (2) extends to the outside of the connecting box (1) and is fixedly installed with a conical guide head (5), characterized in that, The occlusion device delivery catheter further comprises: A guide wire (6) penetrating through the connecting box (1), the catheter (2) and the tapered guide head (5) respectively; An adhesive mechanism installed on the catheter (2) and used for positioning the catheter (2); A drainage mechanism installed on the bottom inner wall of the connecting box (1) and having a bottom extending below the connecting box (1); A fixing mechanism installed in the connecting box (1) and used for clamping and positioning the guide wire (6).

2. The delivery catheter for a heart disease occlusion device according to claim 1, wherein The adhesive mechanism comprises a connecting belt (3) sleeved on the catheter (2), and the bottom of the connecting belt (3) is fixedly provided with an adhesive strip (4).

3. The delivery catheter for a heart disease occlusion device according to claim 1, wherein The drainage mechanism comprises a joint pipe (9) fixedly installed on the bottom inner wall of the connecting box (1), the bottom end of the joint pipe (9) extends below the connecting box (1) and is connected with a joint assembly, the joint assembly is provided with a hose (12), the bottom end of the hose (12) is fixedly provided with a balloon (13).

4. The delivery catheter for a heart disease occlusion device according to claim 3, wherein The joint assembly comprises a cap (10) clamped on the joint pipe (9), the bottom of the cap (10) is fixedly provided with an opening and closing pipe (11), the bottom end of the opening and closing pipe (11) is fixedly connected with the hose (12), the opening and closing pipe (11) is provided with a ball valve (14), and the handle of the ball valve (14) extends to the outside of the opening and closing pipe (11).

5. The delivery catheter for a heart disease occlusion device according to claim 1, wherein The fixing mechanism comprises a sealing plate (7) fixedly installed in the connecting box (1), the guide wire (6) penetrates through the sealing plate (7), one side of the sealing plate (7) is symmetrically fixedly provided with two threaded clamping pieces (15), and the same nut (16) is threadedly connected on the two threaded clamping pieces (15).

6. The delivery catheter for a heart disease occlusion device according to claim 5, wherein The other side of the sealing plate (7) is fixedly provided with a rubber stop ring (8), the guide wire (6) penetrates through the rubber stop ring (8) and is in contact with the inner wall of the rubber stop ring (8).

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