Guide wire connector

Abstract

The utility model provides a guide wire connector, which relates to the technical field of medical instruments and comprises a first cover plate, a second cover plate and a slide knob, and a plurality of bosses are arranged on two opposite end faces of the slide knob. The end faces, facing each other, of the far ends of the first cover plate and the second cover plate are each provided with a plurality of grooves opposite to the bosses in position and matched with the bosses in size, and the end faces, facing each other, of the far ends of the first cover plate and the second cover plate are further provided with sliding grooves allowing the sliding knobs to slide. When the boss on the sliding knob is buckled in the groove, the groove is shielded, so that the guide wire is prevented from extending out of the groove, the J-shaped guide wire is effectively prevented from extending out of the groove of the guide wire connector, and the J-shaped guide wire smoothly penetrates into the outer tube.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a guide wire joint. BACKGROUND

[0002] Endoscopic sphincteropapillotomy (EST) is developed on the basis of diagnostic technology of endoscopic retrograde cholangiopancreatography (ERCP), and EST is widely used in the treatment of common bile duct stones, biliary pancreatitis, acute obstructive suppurative cholangitis, periampullary tumor, biliary ascariasis, benign stricture of the end of common bile duct, Oddi sphincter dysfunction and other diseases.

[0003] After the EST operation completes the incision of the papilla, a guide wire (4.5m) is generally left in the body, and the sphincterotomy knife is withdrawn from the endoscope, which leads to a long withdrawal distance and a long time, resulting in a prolonged operation time. SUMMARY

[0004] The guide wire joint disclosed by the utility model solves the problem that the existing slotted guide wire joint is not closed, and when a J-shaped guide wire is pre-installed, the J-shaped guide wire easily extends from the slotted position and cannot smoothly enter the outer tube.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is specifically implemented as follows:

[0006] The utility model discloses a guide wire joint, including first cover, second cover and slide button, first cover with second cover are fixedly connected through the connecting end, and there is a gap between the free end of first cover and second cover, and the slot is formed at the distal end, a plurality of bosses are all arranged on the opposite two end faces of slide button, a plurality of recesses that are opposite with the boss position and size are adapted are all arranged on the end face of the distal end of first cover and second cover towards each other, and the slide slot that slide button slides is still arranged on the end face of the distal end of first cover and second cover towards each other,

[0007] When the boss on the slide button is buckled in the recess, prevent the guide wire from the slot and stretch out, when pressing slide button, the boss on the slide button slides into the slide slot, and slide button slides along the slide slot until disengaging, and the guide wire can be separated from the slot.

[0008] Further, first cover and second cover are symmetrical structure.

[0009] Further, the first cover includes a connecting portion, an intermediate portion, and a slot portion, the connecting portions of the first cover and the second cover cooperate to connect the outer tube of the rapid exchange device; the intermediate portions of the first cover and the second cover form a guide wire passage; and the slot portions of the first cover and the second cover form the slot.

[0010] Further, the recess and the slide slot are both arranged in the slot portion.

[0011] Further, the intermediate portion has an "L" shaped cross section, including a vertical portion and a transverse portion, and there is a gap between the transverse portions of the first cover and the second cover, and the guide wire passage is formed between the vertical portions of the first cover and the second cover.

[0012] Further, the slide button has a plurality of bosses arranged on the opposite two end faces in the width direction.

[0013] Further, the upper end face of the slide button is a rough surface including a plurality of recesses.

[0014] Beneficial technical effects:

[0015] 1. The utility model discloses a guide wire connector, including first cover, second cover and sliding button, the opposite both ends of sliding button are provided with a plurality of bosses, the distal end of first cover and second cover is provided with a plurality of recesses with the boss position is opposite, size is adapted on the end face of each other, the distal end of first cover and second cover is still provided with the sliding slot of the sliding button on the end face of each other, when the boss on the sliding button buckles in recess, namely covers up the slot, to prevent the guide wire from the slot, effectively prevent J type guide wire from the slot of guide wire connector, make J type guide wire smoothly enter the outer tube,

[0016] 2. The utility model discloses a guide wire connector, when needing to quickly exchange equipment, press the sliding button, press the boss of sliding button into the sliding slot from the recess, then slide and remove from the guide wire connector, and the guide wire is separated from the equipment through the slot of guide wire connector and C type groove disengager, simple structure, convenient operation,

[0017] 3. In the utility model, the upper end face of the sliding button on the guide wire connector is a rough surface including a plurality of recesses, which increases the friction and facilitates the sliding of the sliding button. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced.

[0019] Figure 1 It is the whole structure schematic diagram of a guide wire connector of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the first cover and the second cover of a guide wire connector of the utility model after separating;

[0021] Figure 3 It is Figure 2 The local enlarged view of A in the middle;

[0022] Figure 4 It is the structure schematic diagram of the sliding button of a guide wire connector of the utility model;

[0023] Figure 5 It is the structure schematic diagram of the sliding button of a guide wire connector of the utility model after removing;

[0024] Figure 6 It is the section view of the outer tube used with the guide wire connector of the utility model.

[0025] Wherein, 1-first cover, 11-connection, 12-intermediate part, 13-slotted part, 2-second cover, 3-sliding button, 31-boss, 32-rough surface, 4-slot, 5-recess, 6-sliding slot, 7-outer tube, 8-guide wire cavity, 9-C groove. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and should not be understood as limiting the present application.

[0027] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and in the absence of contrary statements, these orientation words do not indicate and imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0028] In addition, it should be noted that the use of "first", "second" and the like to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as limiting the scope of protection of the present application.

[0029] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and should not be understood as limiting the present application.

[0030] It should be noted that the proximal end in the present application is the end of the guide wire inserted into the guide wire connector, and the distal end is the end of the guide wire passing out of the outer tube.

[0031] To solve the problem that the J-shaped guide wire is easily stretched out and cannot smoothly enter the outer tube during the process of passing through the existing slotted guide wire connector into the outer tube, the present application discloses a guide wire connector.

[0032] The present application discloses a guide wire connector, referring to Figures 1-2 , specifically comprising a first cover plate 1, a second cover plate 2 and a slide button 3, one end of the first cover plate 1 and the second cover plate 2 in the width direction is defined as a connecting end, and the opposite end is defined as a free end, the first cover plate 1 and the second cover plate 2 are fixedly connected through the connecting end, and a gap is formed between the free ends of the first cover plate 1 and the second cover plate 2, the gap formed at the distal end is a slot 4; the opposite two end faces of the slide button 3 are provided with a plurality of bosses 31, referring to Figure 4Preferably, the slide button 3 is provided with a plurality of bosses 31 on the opposite end faces in the width direction, the distal end faces of the first cover plate 1 and the second cover plate 2 are provided with a plurality of grooves 5 which are in opposite positions and have the same size as the bosses 31, in other words, the end face of the first cover plate 1 towards the second cover plate 2 is provided with a plurality of grooves 5 which are in opposite positions and have the same size as the bosses 31, and the end face of the second cover plate 2 towards the first cover plate 1 is also provided with a plurality of grooves 5 which are in opposite positions and have the same size as the bosses 31, the grooves 5 on the first cover plate 1 are distributed in the length direction of the first cover plate 1, the grooves 5 on the second cover plate 2 are distributed in the length direction of the second cover plate 2, and the first cover plate 1 and the second cover plate 2 are further provided with sliding grooves 6 for the slide button 3 to slide, see Figure 3 The sliding groove 6 is below the groove 5 in the width direction of the cover plate.

[0033] When the bosses 31 on the opposite end faces of the slide button 3 are buckled in the grooves 5 on the first cover plate 1 and the second cover plate 2 respectively, that is, the slide button 3 covers the slotted portion 4 of the distal end, effectively preventing the guide wire from extending out of the slotted portion 4; when the slide button 3 is pressed, the bosses 31 on the slide button 3 slide downward into the sliding groove 6, and the slide button 3 slides along the sliding groove 6 until it is separated from the guide wire connector, that is, the slotted portion 4 of the guide wire connector is no longer blocked, and the guide wire can be separated from the slotted portion 4, see Figure 5 .

[0034] As a preferred embodiment of the utility model, the first cover plate 1 and the second cover plate 2 are symmetrical structures, and the specific structure of the first cover plate 1 is introduced below, the free end of the first cover plate 1 includes a connecting portion 11, an intermediate portion 12 and a slotted portion 13, the connecting portion 11 of the first cover plate 1 and the second cover plate 2 is matched to connect the outer tube 7 of the quick exchange device, and it is necessary to point out that the outer tube 7 is provided with a C-shaped groove 9 extending in the length direction thereof, see Figure 6 ; the intermediate portion 12 of the first cover plate 1 and the second cover plate 2 forms a guide wire passing cavity 8, preferably, the cross section of the intermediate portion 12 is substantially in the shape of "L", including a vertical portion and a horizontal portion, and the vertical portion and the horizontal portion are connected by a rounded corner, specifically, there is a gap between the horizontal portion of the first cover plate 1 and the horizontal portion of the second cover plate 2, and the vertical portion of the first cover plate 1 and the vertical portion of the second cover plate 2 form the aforementioned guide wire passing cavity 8; the slotted portion 13 of the first cover plate 1 and the second cover plate 2 forms the slotted portion 4, and the aforementioned groove 5 and the sliding groove 6 are both arranged on the slotted portion 13.

[0035] As a preferred embodiment of the utility model, the upper end face of the slide button 3 is a rough surface 32 including a plurality of grooves, which increases the friction and facilitates the operation of the slide button 3.

[0036] The utility model discloses a guide wire joint, and the initial state slide button 3 can press the far end slot 4 of guide wire joint, prevents the guide wire from the slot 4 of guide wire joint and stretches out, avoids the situation of unable to enter outer tube 7, when needing to quickly exchange equipment, press slide button 3, press the boss 31 of slide button 3 into the sliding slot 6 in groove 5, then slide and remove from guide wire joint, and the guide wire is separated from equipment through the slot 4 and C type groove 9 of guide wire joint, simple structure, convenient operation.

[0037] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above embodiments only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various modifications and improvements of the technical scheme of the utility model made by the ordinary engineering technicians in the art shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A guidewire fitting, comprising: The utility model provides a cover plate and sliding button structure of a rapid exchange device, which comprises a first cover plate (1), a second cover plate (2) and a sliding button (3), the first cover plate (1) and the second cover plate (2) are fixedly connected through a connecting end, there is a gap between the free ends of the first cover plate (1) and the second cover plate (2), and a slot (4) is formed at the distal end, a plurality of bosses (31) are arranged on the opposite end faces of the sliding button (3), a plurality of recesses (5) are arranged on the end faces of the distal ends of the first cover plate (1) and the second cover plate (2) towards each other, and the positions of the bosses (31) and the recesses (5) are opposite, and the sizes are matched, and a sliding groove (6) is further arranged on the end faces of the distal ends of the first cover plate (1) and the second cover plate (2) towards each other for the sliding button (3) to slide. When the bosses (31) on the sliding button (3) are buckled in the recesses (5), the guide wire is prevented from extending out of the slot (4); when the sliding button (3) is pressed, the bosses (31) on the sliding button (3) slide downward into the sliding groove (6), the sliding button (3) slides along the sliding groove (6) until it is separated, and the guide wire can be separated from the slot (4).

2. A guide wire fitting according to claim 1, wherein The first cover plate (1) and the second cover plate (2) are symmetrical structures.

3. A guide wire fitting according to claim 2, wherein The first cover plate comprises a connecting part (11), an intermediate part (12) and a slot part (13), the connecting parts (11) of the first cover plate (1) and the second cover plate (2) are matched to connect the outer tube (7) of the rapid exchange device, the intermediate parts (12) of the first cover plate (1) and the second cover plate (2) are formed with a guide wire cavity (8), and the slot part (13) of the first cover plate (1) and the second cover plate (2) forms the slot (4).

4. A guide wire fitting according to claim 3, wherein The recesses (5) and the sliding grooves (6) are arranged in the slot part (13).

5. A guide wire fitting according to claim 3, wherein The intermediate part (12) is in an ''L” shape in cross section and comprises a vertical part and a transverse part, there is a gap between the transverse parts of the first cover plate (1) and the second cover plate (2), and the guide wire cavity (8) is formed between the vertical parts of the first cover plate (1) and the second cover plate (2).

6. The guide wire fitting according to claim 1, wherein The sliding button (3) is provided with a plurality of bosses (31) on the opposite end faces in the width direction.

7. The guide wire fitting according to claim 1, wherein The upper end face of the sliding button (3) is a rough surface (32) comprising a plurality of recesses.

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