Semi-zebra non-vascular orifice guide wire

Abstract

The semi-zebra non-vascular orifice guide wire comprises a guide wire body and a guide sheath, a movable identification area and a length identification area are distributed on the surface of the guide wire body, the cross sections of the movable identification area and the length identification area are semicircular, and blue and white zebra stripes are distributed on the surface of the guide wire body in the movable identification area. Scale lines, in a linear equidistant array, of the length identification area are distributed on the surface of the guide wire body, and magnifying lenses are arranged at the top and the bottom of one end of the guide sheath. According to the guide wire, the extending length of the guide wire body can be known in real time through the arranged semi-zebra stripes matched with the scale marks, the guide wire body can be guided through the arranged guide sheath, the scale marks on the guide wire body can be amplified through the arranged magnifying lens, and observation of a surgeon is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of guide wires, in particular to a semi-zebra non-vascular lumen guide wire. Background Art

[0002] Due to the continuous progress of interventional medicine, during the endoscopic diagnosis and treatment of the urinary tract and digestive tract, the guide wire plays an important guiding and introducing role in the process of penetrating into the ureter, renal pelvis or bile duct and biliary tract. The zebra stripes on its surface are conducive to observing the movement or translocation of the guide wire. Such guiding and introducing functions of the guide wire are indispensable for the subsequent introduction of catheters or stents, injection of contrast agents, insertion of stone baskets, etc.

[0003] For example, the lumen guide wire disclosed in the Chinese patent with the publication number CN206688005U is composed of a core wire and a plastic coating layer covering the surface of the core wire. The plastic coating layer is composed of a head end made of silica-modified polytetrafluoroethylene and a tail end made of polytetrafluoroethylene.

[0004] The above zebra guide wire solves some defects existing in the prior art. However, in actual use, there is no length mark on the guide wire, and it is impossible to quickly judge the length of the guide wire entering under the endoscope.

[0005] Therefore, a semi-zebra non-vascular lumen guide wire is proposed. Summary of the Invention

[0006] The purpose of the utility model is to provide a semi-zebra non-vascular lumen guide wire, thereby solving or at least alleviating one or more of the above problems and other problems existing in the prior art.

[0007] In order to achieve the above purpose, the main technical solutions adopted by the utility model include:

[0008] A semi-zebra non-vascular lumen guide wire, including a guide wire body, on the surface of which a movement identification area and a length identification area with a semicircular cross-section are distributed.

[0009] In the semi-zebra non-vascular lumen guide wire according to the utility model, wherein, the movement identification area is distributed on the surface of the guide wire body in the form of blue and white alternating zebra stripes.

[0010] In the semi-zebra non-vascular lumen guide wire according to the utility model, wherein, the length identification area is distributed on the surface of the guide wire body in the form of scale lines arranged in a linear equidistant array.

[0011] In the semi-zebra non-vascular lumen guide wire according to the utility model, wherein, one end of the guide wire body is provided with a leading section in a conical shape.

[0012] In the semi-zebra non-vascular lumen guide wire according to the utility model, wherein, the end of the leading section is rounded.

[0013] In the semi-zebra non-vascular lumen guide wire according to the present utility model, wherein, the guide wire body includes a nitinol core wire, a wrapping layer is provided on the surface of the nitinol core wire, and a hydrophilic layer is provided on the surface of the wrapping layer.

[0014] In the semi-zebra non-vascular lumen guide wire according to the present utility model, wherein, both the moving identification area and the length identification area are provided on the surface of the wrapping layer.

[0015] In the semi-zebra non-vascular lumen guide wire according to the present utility model, wherein, the wrapping layer is a polytetrafluoroethylene layer or a polyurethane layer.

[0016] In the semi-zebra non-vascular lumen guide wire according to the present utility model, wherein, the thickness of the wrapping layer is 0.1 mm - 0.3 mm, and the thickness of the hydrophilic layer is 0.03 mm - 0.006 mm.

[0017] In the semi-zebra non-vascular lumen guide wire according to the present utility model, wherein, it further includes a guiding sheath, and magnifying glasses are provided at both the top and the bottom of one end of the guiding sheath.

[0018] The present utility model at least has the following beneficial effects:

[0019] By providing the semi-zebra stripes and the scale lines in the present utility model, the length of the extension of the guide wire body into the lumen can be understood in real time;

[0020] By providing the guiding sheath, the guide wire body can be guided, and by providing the magnifying glasses, the scale lines on the guide wire body can be magnified to facilitate the observation by the surgeon during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation to the present application. In the drawings:

[0022] Figure 1 is a schematic structural diagram of the semi-zebra non-vascular lumen guide wire of the present utility model;

[0023] Figure 2 is a schematic cross-sectional structural diagram of the semi-zebra non-vascular lumen guide wire of the present utility model;

[0024] Figure 3 is a schematic distribution structural diagram of the moving identification area and the length identification area of the present utility model;

[0025] Figure 4 is a schematic structural diagram of the combination use of the guide wire body and the guiding sheath of the present utility model.

[0026] Explanation of the reference numerals in the drawings:

[0027] 1. Guide wire body; 101. Nitinol core wire; 102. Wrapping layer; 103. Hydrophilic layer; 2. Pilot section; 3. Rounded corner; 4. Moving identification area; 401. Zebra stripes; 5. Length identification area; 501. Scale lines; 6. Guide sheath; 7. Magnifying glass. Detailed implementation manners

[0028] In order to make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following further elaborates on the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings. These are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

[0030] In the description of the embodiments of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the communication inside two elements; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0031] Please refer to Figures 1 to 4 As shown, this embodiment provides a semi-zebra non-vascular lumen guide wire, including a guide wire body 1. The surface of the guide wire body 1 is distributed with a moving identification area 4 and a length identification area 5 whose cross-sections are semicircular.

[0032] In this embodiment, the moving identification area 4 is distributed with blue and white zebra stripes 401 on the surface of the guide wire body 1. By setting the zebra stripes 401 in half of the area on the surface of the guide wire body 1, it is possible to effectively observe whether the guide wire body 1 moves.

[0033] The length identification area 5 is distributed with scale lines 501 in a linear equidistant array on the surface of the guide wire body 1. Among them, corresponding scale values are set on the scale lines 501. Through this setting, the length of the penetration of the guide wire body 1 can be understood in real time.

[0034] The guide wire body 1 includes a nitinol core wire 101. A wrapping layer 102 is provided on the surface of the nitinol core wire 101, and a hydrophilic layer 103 is provided on the surface of the wrapping layer 102. In this embodiment, the hydrophilic layer 103 is a PVP super-lubricating hydrophilic coating, and the wrapping layer 102 is a polytetrafluoroethylene layer or a polyurethane layer. Among them, the thickness of the wrapping layer 102 is 0.1 mm - 0.3 mm, and the thickness of the hydrophilic layer 103 is 0.03 mm - 0.006 mm.

[0035] In this embodiment, both the moving identification area 4 and the length identification area 5 are provided on the surface of the wrapping layer 102. Through this setting, the hydrophilic layer 103 can wrap them to reduce the friction of the moving identification area 4 and the length identification area 5 against the blood vessel.

[0036] Specifically, in this embodiment, in order to facilitate the insertion of the guide wire body 1 into the affected area of the patient, a guiding sheath 6 is provided. Magnifying glasses 7 are provided at the top and bottom of one end of the guiding sheath 6. The guiding sheath 6 can guide the guide wire body 1, and the magnifying glasses 7 can magnify the scale lines 501 on the guide wire body 1 for easy observation by the surgeon.

[0037] Specifically, in order to facilitate the insertion of the guide wire body 1 into the affected area of the patient, a leading section 2 with a conical shape is provided at one end of the guide wire body 1. Among them, the end of the leading section 2 is provided with a rounded corner 3.

[0038] In order to facilitate the understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0039] Working principle: When in use, a small incision is made on the patient's skin, and then the guiding sheath 6 is inserted into the incision. Then, one end of the guide wire body 1 close to the leading section 2 is inserted into the affected area of the patient from the guiding sheath 6. During the insertion of the guide wire body 1, the scale value on the scale line 501 of the guide wire body 1 can be observed in real time through the magnifying glass 7, so as to understand the current insertion length of the guide wire body 1.

[0040] The above description shows and describes several preferred embodiments of the present invention. However, as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the inventive concept described herein through the above teachings or the technology or knowledge in the relevant field. And the changes and modifications made by those skilled in the art without departing from the spirit and scope of the present invention should all be within the protection scope of the appended claims of the present invention.

Claims

1. Semi-zebra non-vascular lumen guide wire, characterized in that, It includes a guide wire body (1), and a moving identification area (4) and a length identification area (5) with a semicircular cross-section are distributed on the surface of the guide wire body (1).

2. The semi-zebra non-vascular lumen guide wire according to claim 1, wherein: The moving identification area (4) is distributed on the surface of the guide wire body (1) in the form of blue and white zebra stripes (401).

3. The semi-zebra non-vascular lumen guide wire according to claim 2, characterized in that: The length identification area (5) is distributed on the surface of the guide wire body (1) in the form of linearly equally spaced scale lines (501).

4. The semi-zebra non-vascular lumen guide wire according to claim 3, characterized in that: One end of the guide wire body (1) is provided with a leading section (2) in a conical shape.

5. The semi-zebra non-vascular lumen guide wire according to claim 4, characterized in that: The end of the leading section (2) is provided with a rounded corner (3).

6. The semi-zebra non-vascular lumen guide wire according to claim 5, characterized in that: The guide wire body (1) includes a nitinol core wire (101), a wrapping layer (102) is arranged on the surface of the nitinol core wire (101), and a hydrophilic layer (103) is arranged on the surface of the wrapping layer (102).

7. The semi-zebra non-vascular lumen guide wire according to claim 6, characterized in that: Both the moving identification area (4) and the length identification area (5) are arranged on the surface of the wrapping layer (102).

8. The semi-zebra non-vascular lumen guide wire according to claim 7, characterized in that: The wrapping layer (102) is a polytetrafluoroethylene layer or a polyurethane layer.

9. The semi-zebra non-vascular lumen guide wire according to claim 8, wherein: The thickness of the wrapping layer (102) is 0.1 mm - 0.3 mm, and the thickness of the hydrophilic layer (103) is 0.03 mm - 0.006 mm.

10. The semi-zebra non-vascular lumen guide wire according to claim 2, characterized in that: It further includes a guiding sheath (6), and magnifying glasses (7) are arranged at both the top and the bottom of one end of the guiding sheath (6).

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