Novel hydrophilic coating guide wire

Abstract

The utility model discloses a novel hydrophilic coating guide wire, relates to the technical field of medical equipment, and solves the problems that the use of the guide wire is influenced by the fact that the existing guide wire is not provided with a hydrophilic coating and disinfection dropping liquid is easily brought into a human body when the guide wire is used, and a metal inner core of the loose guide wire is easily pulled in a catheter when the guide wire is stretched, so that the service life of the guide wire is influenced. And the use of the guide wire is not facilitated. Comprising a catheter, a metal inner core is movably sleeved with the catheter, a winding layer is arranged outside the metal inner core, a separation layer and a hydrophilic layer are arranged in the winding layer, and a storage rack is arranged on one side of the catheter; according to the utility model, water drops are contacted with the surface of the coating to form a uniform hydrophilic water film, so that dust and dirt attached to the surface of a material float and slide down along with the gravity of the water film, the metal inner core is prevented from being polluted, and the metal inner core in the conduit is quickly and conveniently stretched and positioned; and the phenomenon that the metal inner core is randomly stretched in the use process is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a novel hydrophilic coating guide wire. Background Art

[0002] According to the "guidewire" provided by Chinese patent authorization announcement No. CN207821865U, the head of the traction cable is connected through a connector, and then the head of the cable connected to the tail of the guidewire is pulled out of the femoral vein. In this way, the steel cables can be connected to the occluder with connectors at both ends respectively; the position of the occluder at the defect can be adjusted by pulling the steel cables at both ends back and forth, thereby better fixing the occluder at the defect site; however, the guidewire does not have a hydrophilic coating, and it is easy to bring disinfectant drops into the body during use, affecting the use of the guidewire. Secondly, when the guidewire is stretched, the loose guidewire is prone to the metal core being pulled out of the catheter, which is not conducive to the use of the guidewire;

[0003] Therefore, a new hydrophilic coating guide wire is designed to solve the above problems. Utility Model Content

[0004] The utility model provides a novel hydrophilic coated guide wire, which solves the technical problems that the guide wire does not have a hydrophilic coating, and disinfectant drops are easily brought into the body during use, affecting the use of the guide wire. Secondly, when the guide wire is stretched, the loose guide wire is easily pulled out of the metal inner core in the catheter, which is not conducive to the use of the guide wire.

[0005] In order to solve the above technical problems, the utility model provides a new type of hydrophilic coated guide wire, including a catheter, the interior of the catheter is movably connected to a metal inner core, the outside of the metal inner core is provided with a winding layer, the interior of the winding layer is provided with a separation layer and a hydrophilic layer, a storage rack is provided on one side of the catheter, four storage racks and an arc-shaped winding rack are fixedly installed on the outside of the storage rack, the outer wall of the catheter is connected to the arc-shaped winding rack, the outside of the catheter is fixedly connected to an extension sleeve, the bottom end of the extension sleeve is fixed with an adjustment rack, and the interior of the adjustment rack is provided with an extension positioning component.

[0006] Preferably, a clamping frame is fixedly mounted on the outer wall of the arc-shaped winding frame, and the conduit is sleeved with the clamping frame.

[0007] Preferably, four rubber pads are fixedly mounted on one side of each of the placement racks, and the outer wall of each of the rubber pads is in contact with the outer wall of the conduit.

[0008] Preferably, the extended positioning assembly includes a rotating shaft rod, a positioning rotating frame, a protective pad, an adapter sleeve, a spring frame and a reset spring. The interior of the adjusting frame is rotatably sleeved with a rotating shaft rod, the exteriors of the two rotating shaft rods are fixedly sleeved with two positioning rotating frames, one end of the two positioning rotating frames is fixedly sleeved with a protective pad, the outer walls of the two protective pads are in contact with the outer wall of the catheter, the outer walls of the two positioning rotating frames are fixedly installed with a spring frame, the exteriors of the positioning rotating frames are rotatably sleeved with an adapter sleeve, and a reset spring is fixedly connected between each adapter sleeve and the spring frame.

[0009] Preferably, a finger ring frame is fixedly mounted on one end of each of the two positioning rotating frames, and the two finger ring frames are located in the same horizontal plane.

[0010] Preferably, a transfer rod is fixedly sleeved inside the adjusting frame, and the two positioning rotating frames are rotatably sleeved with the adjusting frame via the transfer rod.

[0011] Compared with the related art, the novel hydrophilic coating guide wire provided by the present invention has the following beneficial effects:

[0012] The utility model provides a novel hydrophilic coating guide wire, which is movably sleeved with a metal inner core through the interior of a catheter, and is further provided with a winding layer on the outside of the metal inner core, and a separation layer and a hydrophilic layer on the inside thereof, so that water droplets contact the coating surface to form a uniform hydrophilic water film, so that dust and dirt attached to the surface of the material float up and slide down with the gravity of the water film, thereby avoiding contamination of the metal inner core; an extension sleeve is fixedly sleeved on the outside of the catheter, and an adjusting frame is fixedly installed on the outside of the extension sleeve, and two positioning rotating frames are rotatably sleeved on the inside of the adjusting frame, so that the two positioning rotating frames contact the outer wall of the catheter, and a reset spring is rotatably connected between the positioning rotating frame and the adjusting frame, so that the positioning rotating frame has an elastic clamping effect, so that the two positioning rotating frames position and clamp the metal inner core inside the catheter, so that the metal inner core inside the catheter can be quickly and conveniently stretched and positioned, thereby preventing the metal inner core from being stretched at will during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlarged in the middle;

[0015] Figure 3 For this utility model Figure 1 Schematic diagram of the structure with partial section in the middle.

[0016] Numbers in the figure: 1. catheter; 2. metal inner core; 3. winding layer; 301. separation layer; 302. hydrophilic layer; 4. storage rack; 5. placement rack; 6. rubber pad; 7. arc winding rack; 8. clamping rack; 9. extension positioning assembly; 901. rotating shaft rod; 902. positioning rotating rack; 903. protective pad; 904. adapter sleeve rack; 905. spring rack; 906. reset spring; 10. extension sleeve; 11. adjustment rack; 12. ring rack; 13. adapter rod. DETAILED DESCRIPTION

[0017] 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.

[0018] Embodiment 1, by Figure 1-3 The utility model includes a catheter 1, which is movably sleeved with a metal inner core 2 inside the catheter 1, and a winding layer 3 is provided on the outside of the metal inner core 2. The inside of the winding layer 3 is provided with a separation layer 301 and a hydrophilic layer 302. A storage rack 4 is provided on one side of the catheter 1, and four storage racks 5 and an arc-shaped winding rack 7 are fixedly installed on the outside of the storage rack 4. The outer wall of the catheter 1 is sleeved with the arc-shaped winding rack 7. The outside of the catheter 1 is fixedly sleeved with an extension sleeve 10, and the bottom end of the extension sleeve 10 is fixed with an adjustment rack 11, and the interior of the adjustment rack 11 is provided with an extension positioning component 9.

[0019] In the second embodiment, based on the first embodiment, a clamping frame 8 is fixedly mounted on the outer wall of the arc-shaped winding frame 7 , and the conduit 1 is sleeved with the clamping frame 8 , thereby enabling the conduit 1 to be supported by the arc-shaped winding frame 7 through the wire.

[0020] Embodiment 3, based on embodiment 1, four rubber pads 6 are fixedly installed on one side of each placement rack 5, and the outer wall of each rubber pad 6 contacts the outer wall of the catheter 1, thereby positioning and clamping the wound catheter 1.

[0021] Example 4. On the basis of Example 1, the extended positioning assembly 9 includes a rotating shaft rod 901, a positioning rotating frame 902, a protective pad 903, an adapter sleeve 904, a spring frame 905 and a reset spring 906. The interior of the adjustment frame 11 is rotatably sleeved with the rotating shaft rod 901, and the exteriors of the two rotating shaft rods 901 are fixedly sleeved with two positioning rotating frames 902. One end of the two positioning rotating frames 902 is fixedly sleeved with a protective pad 903. The outer walls of the two protective pads 903 are in contact with the outer wall of the catheter 1. The outer walls of the two positioning rotating frames 902 are fixedly installed with a spring frame 905. The exteriors of the positioning rotating frames 902 are rotatably sleeved with an adapter sleeve 904. A reset spring 906 is fixedly connected between each adapter sleeve 904 and the spring frame 905, so that the metal inner core 2 inside the catheter 1 is positioned and clamped after being stretched to avoid stretching during the use of the guide wire.

[0022] Embodiment 5, based on embodiment 4, one end of each of the two positioning rotating frames 902 is fixedly mounted with a finger ring frame 12 , and the two finger ring frames 12 are located in the same horizontal plane, thereby facilitating pressing the two positioning rotating frames 902 .

[0023] Example 6: Based on Example 4, a transfer rod 13 is fixedly sleeved inside the adjustment frame 11, and the two positioning rotating frames 902 are rotatably sleeved with the adjustment frame 11 through the transfer rod 13, thereby allowing the two positioning rotating frames 902 to be rotatably supported outside the adjustment frame 11.

[0024] Working principle: First, a storage rack 4 is provided on the back of the catheter 1. Four placement racks 5 are fixedly installed on the outside of the storage rack 4, and four rubber pads 6 are fixedly installed on the outside of the placement rack 5. Then, the catheter 1 is wound in a circular manner to prevent the internal material of the catheter 1 from being damaged. Secondly, a clamping rack 8 is fixedly installed on the outside of the storage rack 4 through an arc-shaped winding rack 7, so that the catheter 1 can be supported by the arc-shaped winding rack 7. The inside of the catheter 1 is movably connected to the metal inner core 2. Secondly, a winding layer 3 is provided on the outside of the metal inner core 2, and a separation layer 301 and a hydrophilic layer 302 are provided inside it, so that water droplets contact the coating surface to form a uniform hydrophilic water film. The dust and dirt attached to the surface of the material float up and slide down with the gravity of the water film, avoiding contamination of the metal core 2; an extension sleeve 10 is fixedly sleeved on the outside of the catheter 1, and an adjusting frame 11 is fixedly installed on the outside of the extension sleeve 10, and two positioning rotating frames 902 are rotatably sleeved inside the adjusting frame 11, so that the two positioning rotating frames 902 are in contact with the outer wall of the catheter 1, and a return spring 906 is rotatably connected between the positioning rotating frame 902 and the adjusting frame 11, so that the positioning rotating frames 902 have an elastic clamping effect, so that the two positioning rotating frames 902 can position and clamp the metal core 2 inside the catheter 1, so that the metal core 2 inside the catheter 1 can be quickly and conveniently stretched and positioned, preventing the metal core 2 from being stretched at will during use.

[0025] 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 novel hydrophilic coated guidewire, comprising a catheter (1), characterized in that: The interior of the catheter (1) is movably sleeved with a metal inner core (2), the exterior of the metal inner core (2) is provided with a winding layer (3), the interior of the winding layer (3) is provided with a separation layer (301) and a hydrophilic layer (302), a storage rack (4) is provided on one side of the catheter (1), four storage racks (5) and an arc-shaped winding rack (7) are fixedly installed on the exterior of the storage rack (4), the outer wall of the catheter (1) is sleeved with the arc-shaped winding rack (7), an extension sleeve (10) is fixedly sleeved on the exterior of the catheter (1), an adjustment rack (11) is fixedly provided at the bottom end of the extension sleeve (10), and an extension positioning component (9) is provided inside the adjustment rack (11).

2. A novel hydrophilic coated guide wire according to claim 1, characterized in that: A clamping frame (8) is fixedly mounted on the outer wall of the arc-shaped winding frame (7), and the conduit (1) is sleeved with the clamping frame (8).

3. A novel hydrophilic coating guide wire according to claim 1, characterized in that: Four rubber pads (6) are fixedly mounted on one side of each of the placement racks (5), and the outer wall of each of the rubber pads (6) is in contact with the outer wall of the conduit (1).

4. A novel hydrophilic coated guide wire according to claim 1, characterized in that: The extension positioning assembly (9) comprises a rotating shaft rod (901), a positioning rotating frame (902), a protective pad (903), an adapter sleeve (904), a spring frame (905) and a reset spring (906); the interior of the adjustment frame (11) is rotatably sleeved with the rotating shaft rod (901); the exteriors of the two rotating shaft rods (901) are fixedly sleeved with two positioning rotating frames (902); one end of the two positioning rotating frames (902) is fixedly sleeved with a protective pad (903); the outer walls of the two protective pads (903) are in contact with the outer wall of the catheter (1); the outer walls of the two positioning rotating frames (902) are fixedly installed with a spring frame (905); the exteriors of the positioning rotating frames (902) are rotatably sleeved with the adapter sleeve (904); and a reset spring (906) is fixedly connected between each adapter sleeve (904) and the spring frame (905).

5. A novel hydrophilic coating guide wire according to claim 4, characterized in that: One end of each of the two positioning rotating frames (902) is fixedly mounted with a finger ring frame (12), and the two finger ring frames (12) are located on the same horizontal plane.

6. A novel hydrophilic coating guide wire according to claim 4, characterized in that: A transfer rod (13) is fixedly sleeved inside the adjusting frame (11), and both of the positioning rotating frames (902) are rotatably sleeved with the adjusting frame (11) via the transfer rod (13).

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