Catheter sheath with hemostasis valve

Abstract

The utility model discloses a catheter sheath with a hemostasis valve, relates to the technical field of catheter sheaths, and solves the technical problems that at present, when medicine is injected, medicine liquid flows into a tee joint in advance, then medicine pollution is caused to the tee joint, and when a catheter sheath assembly is used, the catheter sheath assembly is prone to being collided, and use of the catheter sheath is affected. Comprising a protection box, a sheath tube is arranged in the protection box, one end of the sheath tube penetrates through the protection box and extends out of the protection box, a three-way valve and a hemostasis valve body are arranged in the protection box, a flow direction adjusting valve is arranged in the three-way valve, and a connecting tube is fixedly inserted between the three-way valve and the hemostasis valve body; the medical hemostasis valve has the advantages that medicine can be conveniently injected, the situation that medicine directly flows into the hemostasis valve body to affect use of the hemostasis valve body is avoided, the three-way valve and the hemostasis valve body are protected, and the problem that a sheath tube leaks due to collision in the use process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of catheter sheaths, in particular to a catheter sheath with a hemostatic valve. Background Art

[0002] The catheter sheath is the most commonly used access device in percutaneous vascular interventional surgery. Clinically, all percutaneous vascular interventional surgeries require the establishment of a surgical access through the catheter sheath. Therefore, the role of the catheter sheath in establishing the surgical access is also a prerequisite for the success of the surgery. According to the "A New Interventional Therapy Catheter Needle Device" provided by China Patent Authorization Announcement No. CN208464926U, it is easy to fix during catheter intervention on the patient, easy to use, easy to plug the sheath into the needle, has good sealing performance, and smooth liquid conduction. However, when injecting drugs, the drug flow will enter the interior of the three-way valve in advance, thereby causing drug contamination of the three-way valve. Secondly, the catheter sheath component is easily impacted during use, affecting the use of the catheter sheath.

[0003] Therefore, a catheter sheath with a hemostatic valve is designed to solve the above problems. Utility Model Content

[0004] The utility model provides a catheter sheath with a hemostatic valve, which solves the technical problems that when injecting medicine, the medicine fluid will enter the interior of the three-way valve in advance, thereby causing medicine contamination of the three-way valve, and secondly, the catheter sheath component is easily impacted when in use, thereby affecting the use of the catheter sheath.

[0005] In order to solve the above technical problems, the utility model provides a catheter sheath with a hemostatic valve, comprising a protective box, a sheath tube provided inside the protective box, one end of the sheath tube passing through the protective box and extending to the outside of the protective box, a three-way valve and a hemostatic valve body provided inside the protective box, a flow direction regulating valve provided inside the three-way valve, a connecting tube fixedly connected between the three-way valve and the hemostatic valve body, a needle provided at one end of the sheath tube, a magnetic protective assembly provided on the outside of the protective box, an extension tube fixedly sleeved on one end of the hemostatic valve body, one end of the extension tube passing through the protective box and extending to the outside of the protective box.

[0006] Preferably, a sealing sleeve is fixedly sleeved inside the three-way valve, and one end of the sheath tube is sealingly sleeved with the three-way valve through the sealing sleeve.

[0007] Preferably, one end of the needle is fixedly connected to a connector, and one end of the sheath is plugged into the needle through the connector.

[0008] Preferably, the magnetic protection assembly includes a flip frame, an iron rod, a flip outer plate and a magnetic plate. The flip frame is fixedly installed on one side of the protection box, and the flip outer plate is rotatably sleeved inside the flip frame. The outer wall of the flip outer plate is in contact with the outer wall of the three-way valve and the hemostatic valve body. Three iron rods are fixedly sleeved inside the flip outer plate, and the three iron rods are evenly distributed inside the flip outer plate. A magnetic plate is fixedly installed inside the protection box, and the three iron rods are magnetically connected to the magnetic plate.

[0009] Preferably, a rotating shaft rod is fixedly sleeved inside the flip outer plate, and the flip outer plate is rotatably sleeved with the flip frame through the rotating shaft rod.

[0010] Preferably, a fixing patch is provided on the outside of the sheath tube.

[0011] Compared with the related art, the catheter sheath with hemostatic valve provided by the present invention has the following advantages:

[0012] Beneficial effects:

[0013] The utility model provides a catheter sheath with a hemostatic valve. The sheath is sealed and sleeved with a three-way valve through a sealing sleeve. Secondly, a flow regulating valve is provided inside the three-way valve to facilitate flow control when injecting medicine, so as to facilitate injection of medicine and prevent the medicine from directly flowing into the interior of the hemostatic valve body and affecting the use of the hemostatic valve body. A connecting pipe is fixedly sleeved on one end of the three-way valve, and the hemostatic valve body is fixedly sleeved on the other end of the connecting pipe, so that the sheath has a hemostatic effect when in use. The three-way valve and the hemostatic valve body are placed inside a protective box. Secondly, a flip frame is fixedly installed on the outside of the protective box, and a flip outer plate is rotatably sleeved inside the flip frame via a rotating shaft rod, so that the three-way valve and the hemostatic valve body contact the flip outer plate, thereby positioning and pressing the three-way valve and the hemostatic valve body. Three iron rods inside the flip outer plate are magnetically connected to a magnetic attraction plate inside the protective box to protect the three-way valve and the hemostatic valve body, thereby preventing collision during use and the problem of sheath leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

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

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the structure enlarged in the middle;

[0017] Figure 4 For this utility model Figure 2 Schematic diagram of the structure enlarged at point B.

[0018] Numbers in the figure: 1. Protective box; 2. Hemostatic valve body; 3. Three-way valve; 4. Flow regulating valve; 5. Sealing sleeve; 6. Magnetic protection assembly; 601. Flip frame; 602. Iron rod; 603. Flip outer plate; 604. Magnetic plate; 7. Connecting tube; 8. Sheath tube; 9. Extension tube; 10. Fixing sticker; 11. Connector; 12. Needle; 13. Rotating shaft rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Embodiment 1, by Figure 1-4 The utility model includes a protective box 1, a sheath 8 is provided inside the protective box 1, one end of the sheath 8 passes through the protective box 1 and extends to the outside of the protective box 1, a three-way valve 3 and a hemostatic valve body 2 are provided inside the protective box 1, a flow direction regulating valve 4 is provided inside the three-way valve 3, a connecting tube 7 is fixedly inserted between the three-way valve 3 and the hemostatic valve body 2, a needle 12 is provided at one end of the sheath 8, a magnetic protective component 6 is provided on the outside of the protective box 1, an extension tube 9 is fixedly sleeved on one end of the hemostatic valve body 2, one end of the extension tube 9 passes through the protective box 1 and extends to the outside of the protective box 1.

[0021] Example 2, based on Example 1, a sealing sleeve 5 is fixedly sleeved inside the three-way valve 3, and one end of the sheath tube 8 is sealed and sleeved with the three-way valve 3 through the sealing sleeve 5, thereby allowing the sheath tube 8 to be sealed and sleeved with one end of the three-way valve 3.

[0022] Example 3: Based on Example 1, one end of the needle 12 is fixedly connected to the connector 11, and one end of the sheath 8 is plugged into the needle 12 through the connector 11, thereby allowing one end of the needle 12 to be connected to the sheath 8.

[0023] Embodiment 4, on the basis of embodiment 1, the magnetic protection component 6 includes a flip frame 601, an iron rod 602, a flip outer plate 603 and a magnetic plate 604, the flip frame 601 is fixedly installed on one side of the protection box 1, the flip outer plate 603 is rotatably sleeved inside the flip frame 601, the outer wall of the flip outer plate 603 is in contact with the outer wall of the three-way valve 3 and the hemostatic valve body 2, the inside of the flip outer plate 603 is fixedly sleeved with three iron rods 602, the three iron rods 602 are evenly distributed inside the flip outer plate 603, the inside of the protection box 1 is fixedly installed with a magnetic plate 604, the three iron rods 602 are all magnetically connected to the magnetic plate 604, thereby protecting the three-way valve 3 and the hemostatic valve body 2, avoiding collision during use and causing leakage of the sheath 8.

[0024] Example 5, based on Example 4, the interior of the flip outer plate 603 is fixedly sleeved with a rotating shaft rod 13, and the flip outer plate 603 is rotatably sleeved with the flip frame 601 through the rotating shaft rod 13, so that the flip outer plate 603 can be flipped inside the flip frame 601.

[0025] Embodiment 6: Based on embodiment 1, a fixing patch 10 is provided on the outside of the sheath tube 8, thereby enabling the sheath tube 8 to be fixed by pasting.

[0026] Working principle: First, the sheath tube 8 is sealed and sleeved with the three-way valve 3 through the sealing sleeve 5. Secondly, a flow direction regulating valve 4 is provided inside the three-way valve 3 to facilitate flow control when injecting drugs, so as to facilitate the injection of drugs and prevent the drugs from flowing directly into the interior of the hemostatic valve body 2, affecting the use of the hemostatic valve body 2. A connecting tube 7 is fixedly sleeved on one end of the three-way valve 3, and a hemostatic valve body 2 is fixedly sleeved on the other end of the connecting tube 7, so that the sheath tube 8 has a hemostatic effect when in use; by placing the three-way valve 3 and the hemostatic valve body 2 inside the protective box 1 Secondly, a flip frame 601 is fixedly installed on the outside of the protective box 1, and a flip outer plate 603 is rotatably sleeved on the inside of the flip frame 601 through the rotating shaft rod 13, so that the three-way valve 3 and the hemostatic valve body 2 are in contact with the flip outer plate 603, thereby positioning and pressing the three-way valve 3 and the hemostatic valve body 2, and magnetically connecting the three iron rods 602 inside the flip outer plate 603 and the magnetic plate 604 inside the protective box 1 to achieve protection of the three-way valve 3 and the hemostatic valve body 2, avoiding collision during use and causing leakage of the sheath 8.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A catheter sheath with a hemostatic valve, comprising a protective box (1), characterized in that: The protective box (1) is provided with a sheath tube (8) inside, one end of the sheath tube (8) passes through the protective box (1) and extends to the outside of the protective box (1), the protective box (1) is provided with a three-way valve (3) and a hemostatic valve body (2), the three-way valve (3) is provided with a flow direction regulating valve (4), a connecting tube (7) is fixedly connected between the three-way valve (3) and the hemostatic valve body (2), one end of the sheath tube (8) is provided with a needle (12), the outside of the protective box (1) is provided with a magnetic protection component (6), one end of the hemostatic valve body (2) is fixedly sleeved with an extension tube (9), one end of the extension tube (9) passes through the protective box (1) and extends to the outside of the protective box (1).

2. A catheter sheath with a hemostatic valve according to claim 1, characterized in that: A sealing sleeve (5) is fixedly sleeved inside the three-way valve (3), and one end of the sheath tube (8) is sealingly sleeved with the three-way valve (3) through the sealing sleeve (5).

3. The catheter sheath with a hemostatic valve according to claim 1, characterized in that: One end of the needle (12) is fixedly connected to a connector (11), and one end of the sheath tube (8) is plugged into the needle (12) via the connector (11).

4. The catheter sheath with a hemostatic valve according to claim 1, characterized in that: The magnetic protection component (6) includes a flip frame (601), an iron rod (602), a flip outer plate (603) and a magnetic plate (604). The flip frame (601) is fixedly installed on one side of the protection box (1). The flip outer plate (603) is rotatably sleeved inside the flip frame (601). The outer wall of the flip outer plate (603) contacts the outer wall of the three-way valve (3) and the hemostatic valve body (2). Three iron rods (602) are fixedly sleeved inside the flip outer plate (603). The three iron rods (602) are evenly distributed inside the flip outer plate (603). The magnetic plate (604) is fixedly installed inside the protection box (1). The three iron rods (602) are all magnetically connected to the magnetic plate (604).

5. The catheter sheath with a hemostatic valve according to claim 4, characterized in that: The interior of the flip outer plate (603) is fixedly sleeved with a rotating shaft rod (13), and the flip outer plate (603) is rotatably sleeved with the flip frame (601) via the rotating shaft rod (13).

6. The catheter sheath with a hemostatic valve according to claim 1, characterized in that: A fixing patch (10) is provided on the outside of the sheath tube (8).

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