CN218980180U

CN218980180U - Disposable sterile guide wire

Info

Publication number: CN218980180U
Application number: CN202222472440.XU
Authority: CN
Inventors: 肖金生
Original assignee: Zsr Biomedical Technology Co ltd
Current assignee: Zsr Biomedical Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-05-09
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a disposable sterile guide wire, which is provided with a length identification system, so that the disposable sterile guide wire is convenient to operate and use. The utility model comprises a core wire made of metal and a plastic layer coated outside the core wire; the plastic layer is provided with an identification depth mark B, and the outermost layer of the guide wire is provided with a coating layer; the identification depth mark B comprises a plurality of ring marks Bn which are distributed at intervals, and each ring mark Bn comprises a plurality of rings which are distributed at intervals; the loop mark Bn comprises a narrow ring and/or a medium ring and/or a wide ring; the end of the thread guiding head is provided with an arc thread guiding head; the partial loop mark Bn in the identification depth mark B comprises a narrow loop, the partial loop mark Bn comprises a medium loop, and the partial loop mark Bn comprises a wide loop. The core wire adopts 304 stainless steel material or nickel-titanium alloy material; the plastic layer is made of polytetrafluoroethylene, polyurethane or elastic nylon; the identification depth mark is a silk screen mark ring, so that doctors can easily identify the operation depth, and errors in operation are reduced.

Description

Disposable sterile guide wire

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a disposable sterile guide wire for detecting scratch resistance and abrasion resistance of a sample.

Background

The guide wire plays roles of guiding, supporting, opening and exchanging in the minimally invasive surgery, and is a necessary effective tool in the minimally invasive surgery. The guide wire assists the catheter, endoscope, etc. to enter the predetermined position of the human tissue. However, the current guide wires on the market have serious problems, because the guide wires are relatively thin and have a generally circular diameter, and the insertion depth identification on the guide wires is relatively difficult for medical instrument manufacturers. The guide wire is not provided with an inserted mark, a doctor can only estimate through experience, the operation of the doctor is greatly puzzled, the operation is easy to be wrong, and the use is inconvenient.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a disposable sterile guide wire, and a length identification system is arranged on the guide wire, so that the guide wire is convenient to operate and use and solves the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the disposable sterile guide wire comprises a core wire made of metal and a plastic layer coated outside the core wire; the plastic layer is externally provided with an identification depth mark B, and a coating is arranged outside the identification depth mark B;

the outermost layer of the guide wire is provided with a coating, the identification depth mark B comprises a plurality of ring marks Bn (n is not less than 2) which are distributed at intervals, and the ring marks Bn comprise a plurality of rings at intervals;

the loop mark Bn comprises a narrow ring and/or a medium ring and/or a wide ring;

the end of the thread guiding head is provided with an arc thread guiding head.

Further, in some embodiments, the partial loop marker Bn in the identification depth marking B comprises a narrow loop, the partial loop marker Bn comprises a medium loop, and the partial loop marker Bn comprises a wide loop.

Further, in some embodiments, the narrow ring width is 1-1.2 mm, the middle ring width is 2-2.4 mm, and the wide ring width is 4-4.8 mm;

the spacing between adjacent rings in the ring marks Bn is 1 to 1.3mm.

Further, in some embodiments, the identifying depth mark B includes a ring mark B2, where the ring mark B2 is composed of two narrow rings that are spaced apart, a distance between the two narrow rings is 1-1.3 mm, and a length of a narrow ring closest to the circular arc guide in the ring mark B2 from an end of the circular arc guide is 200mm.

Further, in some embodiments, the identifying depth mark B includes a loop mark B7, where the loop mark B7 is composed of a middle ring and two narrow rings, a distance between adjacent rings is 1.1mm, and a distance between right ends of the loop marks B7 is 700mm from the arc guide head.

Further, in some embodiments, the identifying depth marking B includes a ring mark B16, the ring mark B16 being composed of a plurality of wide and narrow spaced rings; the ring mark B16 is formed by a wide ring, a middle ring and a narrow ring which are distributed at intervals, the distance between the adjacent rings is 1.2mm, and the length of the right end of the ring mark B16 from the arc guide head is 1600mm.

Further, in some embodiments, the guide wire head is a straight head or an elbow, and the guide wire is provided with a head reducing section L1 near the arc guide head end, and the diameter of the head reducing section L1 gradually tapers towards the arc guide head.

Further, in some embodiments, the length of the head reducing section L1 is 150±10mm, the head reducing section L1 tapers from a conductor diameter D1 to a head end diameter D2, the conductor diameter D1 is 0.63 to 0.97mm, and the head end diameter D2 of the circular arc guide head is 0.26 to 0.35mm.

Further, in some embodiments, the guidewire length is 1200 to 2600mm.

The guide wire of the present utility model comprises two types: one is an elbow guide wire and the other is a straight guide wire; is suitable for disposable sterile urinary guide wires with marks inserted into human body depth. The core wire adopts 304 stainless steel material or nickel-titanium alloy material; the plastic layer (coating) is made of one or more materials selected from polytetrafluoroethylene, polyurethane and elastic nylon; the identification depth mark is a silk-screen identification circular ring (ring), and consists of rings with wide and narrow intervals (discontinuous), so that doctors can easily identify the operation depth, and errors in operation are reduced.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a bend according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a straight head according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of section A2-A2 in FIG. 3;

FIG. 5 is a schematic view of the section A1-A1 in FIG. 2;

FIG. 6 is a schematic diagram of a portion B of a depth indicator according to an embodiment of the present utility model;

fig. 7 is an enlarged view of the loop mark B2 portion of the embodiment of the present utility model.

The figure indicates:

the guide wire comprises a guide wire 10, a core wire 11, a plastic layer 12, a coating 13, a circular arc guide head 15, a narrow circular ring 21, a middle circular ring 22 and a wide circular ring 23.

Detailed Description

So that the manner in which the features and characteristics of the utility model, as well as the particular objects and functions attained, can be understood in detail, embodiments of the utility model and the features of the embodiments may be combined without conflict. So that the manner in which the features and advantages of the utility model, as well as the manner in which the features and advantages of the utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and detailed description thereof which follow.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "rear," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to the drawings, the disposable sterile urinary guide wire 10 of the utility model structurally comprises a core wire 11 made of metal and a plastic layer 12 (coating layer) coated outside the core wire 11, wherein a recognition depth mark B is silk-screened outside the plastic layer 12, and then a coating 13 is formed by UV hydrophilic curing coating.

The coating 13 is a UV hydrophilic cured coating layer. The head of the guide wire 10 is provided with a straight head or an elbow, and the head is provided with an arc guide head 15; the guide wire 10 is provided with a head reducing section L1 close to the end of the arc guide head 15, the diameter of the head reducing section L1 gradually tapers towards the arc guide head 15, the length of the head reducing section L1 is 150+/-10 mm, the head reducing section L1 gradually tapers from the conductor diameter D1 to the head end diameter D2, the conductor diameter D1 is 0.63-0.97 mm, and the head end diameter D2 of the arc guide head 15 is 0.26-0.35 mm.

Further, in one embodiment of the utility model, the guide wire 10 is 1200mm in length, the conductor diameter D1 is 0.63mm, and the head end diameter D2 is 0.26mm.

Further, in one embodiment of the utility model, the length of the guidewire 10 is 2600mm, the conductor diameter D1 is 0.97mm, and the tip diameter D2 is 0.35mm.

Preferably, in one embodiment, the length of the guide wire 10 is 1500mm, the conductor diameter D1 is 0.9mm, and the diameter D2 of the head end of the arcuate guide head 15 is 0.3mm.

The identification depth mark B comprises a plurality of ring marks Bn (n is equal to or greater than 2) which are distributed at intervals, wherein Bn represents the number, and the ring marks Bn comprise narrow rings 21 and/or middle rings 22 and/or wide rings 23; further, the partial ring mark Bn comprises a narrow ring 21, the partial ring mark Bn comprises a middle ring 22, and the partial ring mark Bn comprises a wide ring 23.

In other words, the ring mark Bn consists of a narrow ring 21 and/or a medium ring 22 and/or a wide ring 23.

FIG. 4 is a schematic view of section A2-A2 of FIG. 3 with a portion B identifying depth markings;

FIG. 5 is a schematic view of section A1-A1 of FIG. 2 without identifying the portion B of the depth indicator.

Further, in one embodiment of the present utility model, the loop marker Bn comprises a narrow ring 21;

or the loop marker Bn includes a middle ring 22;

or the loop marker Bn comprises a wide circular ring 23;

or the ring mark Bn includes a narrow ring 21 and a middle ring 22;

or the loop mark Bn includes a narrow ring 21 and a wide ring 23;

or the loop mark Bn includes a middle ring 22 and a wide ring 23;

or the ring mark Bn includes a narrow ring 21, a middle ring 22 and a wide ring 23.

The width of the narrow ring 21 is 1-1.2 mm, the width of the middle ring 22 is 2-2.4 mm, and the width of the wide ring 23 is 4-4.8 mm; the spacing between adjacent rings in the ring marks Bn is 1 to 1.3mm.

Further, in one embodiment of the present utility model, the loop mark B2 is formed by two narrow rings 21 spaced apart from each other, as shown in fig. 7, the distance between the two narrow rings 21 is 1 to 1.3mm, and the length of the narrow ring 21 closest to the circular arc guide 15 in the loop mark B2 from the end of the circular arc guide 15 is 200mm, as shown in fig. 2, that is, the length of the loop mark B2 from the outer end of the circular arc guide 15 is 200mm.

By the pushing, the ring mark B3 consists of three narrow rings 21 which are distributed at intervals, the distance between every two adjacent narrow rings 21 is 1-1.3 mm, and the length of the narrow ring 21 at the right end of the ring mark B3 from the outer end part of the circular arc guide head 15 is 300mm.

By the pushing, the ring mark B7 consists of a middle ring 22 and two narrow rings 21, and the length of the right end of the ring mark B7 from the arc guide head 15 is 700mm; the ring mark B8 consists of a middle ring 22 and three narrow rings 21, and the distance between the right end of the ring mark B8 and the circular arc guide head 15 is 800mm.

The color of a circular ring (a ring) in the silk-screen identification depth mark B is a striking blue or white color, and after the silk-screen identification depth mark B, the hydrophilic coating is cured by UV light, and a coating 13 is formed at the outermost part of the guide wire 10;

similarly, referring to fig. 6, the loop mark B16 is formed by a wide ring 23, a middle ring 22 and a narrow ring 21 which are distributed at intervals, the distance between the adjacent rings is 1.2mm, and the distance between the right end of the loop mark B16 and the arc guide head 15 is 1600mm; the ring mark B17 is formed by a wide ring 23, a middle ring 22 and two narrow rings 21 which are distributed at intervals, the distance between the adjacent rings is 1.2mm, and the length of the right end of the ring mark B17 from the arc guide head 15 is 1700mm.

The minimum unit width (basic width) of the ring mark Bn (circular ring) of the identification depth mark B is 1-1.3 mm; preferably, in one embodiment, the narrow ring 21 has a width of 1.2mm, the middle ring 22 has a width of 2.4mm, and the wide ring 23 has a width of 4.8mm. The spacing between adjacent rings in one ring mark Bn is 1 to 1.3mm.

The foregoing examples have shown only a few preferred embodiments of the utility model, which are described in some detail and it is to be understood that this utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other examples, but is capable of use in various other combinations, modifications and environments and is capable of changes within the spirit of the utility model described herein, either by way of the foregoing teachings or by way of the knowledge of the relevant art, and is not therefore to be interpreted as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit and scope of the present utility model, which is within the scope of the appended claims. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The disposable sterile guide wire (10) comprises a core wire (11) made of metal and a plastic layer (12) coated outside the core wire (11); the plastic layer (12) is provided with an identification depth mark B, and the plastic layer (12) and the identification depth mark B are provided with a coating (13);

the outermost layer of the guide wire (10) is provided with a coating (13) for cladding, the identification depth mark B comprises a plurality of ring marks Bn which are distributed at intervals, and the ring marks Bn comprise a plurality of rings at intervals;

the ring mark Bn comprises a narrow ring (21), and/or a middle ring (22), and/or a wide ring (23);

the head end of the guide wire (10) is provided with an arc guide head (15).

2. The single use sterile guidewire of claim 1, wherein the partial loop marker Bn in the identification depth marking B comprises a narrow loop (21), the partial loop marker Bn comprises a medium loop (22), and the partial loop marker Bn comprises a wide loop (23).

3. The single-use sterile guide wire according to claim 2, characterized in that the narrow ring (21) has a width of 1-1.2 mm, the middle ring (22) has a width of 2-2.4 mm, and the wide ring (23) has a width of 4-4.8 mm;

the spacing between adjacent rings in the ring marks Bn is 1 to 1.3mm.

4. A single use sterile guidewire according to claim 3, wherein the identification depth marking B comprises a loop marking B2, the loop marking B2 is composed of two narrow rings (21) which are spaced apart, the distance between the two narrow rings (21) is 1-1.3 mm, and the length of the narrow ring (21) closest to the circular arc guide head (15) in the loop marking B2 is 200mm from the end of the circular arc guide head (15).

5. A single use sterile guidewire according to claim 3, wherein the identification depth marking B comprises a loop marking B7, the loop marking B7 consisting of a middle ring (22) and two narrow rings (21), the distance between adjacent rings being 1.1mm, the right end of the loop marking B7 being 700mm from the circular arc guide head (15).

6. The single use sterile guidewire of claim 3, wherein the identification depth marking B comprises a loop marking B16, the loop marking B16 being comprised of a plurality of widely-narrowly-spaced rings;

the ring mark B16 is formed by a wide ring (23), a middle ring (22) and a narrow ring (21) which are distributed at intervals, the distance between the adjacent rings is 1.2mm, and the length of the right end of the ring mark B16 from the arc guide head (15) is 1600mm.

7. The disposable sterile guide wire according to claim 1, wherein the head of the guide wire (10) is a straight head or an elbow, the guide wire (10) is provided with a head reducing section L1 near the end of the circular arc guide head (15), and the diameter of the head reducing section L1 gradually tapers towards the circular arc guide head (15).

8. The single-use sterile guide wire according to claim 7, wherein the length of the head reducing section L1 is 150±10mm, the head reducing section L1 is tapered from the conductor diameter D1 to the head end diameter D2, the conductor diameter D1 is 0.63 to 0.97mm, and the head end diameter D2 of the circular arc guide head (15) is 0.26 to 0.35mm.

9. The single use sterile guidewire according to claim 1, wherein the guidewire (10) has a length of 1200-2600 mm.