CN216258681U - Guide wire with movable core wire - Google Patents
Guide wire with movable core wire Download PDFInfo
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- CN216258681U CN216258681U CN202122211845.3U CN202122211845U CN216258681U CN 216258681 U CN216258681 U CN 216258681U CN 202122211845 U CN202122211845 U CN 202122211845U CN 216258681 U CN216258681 U CN 216258681U
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- block
- rod
- core wire
- elastic tube
- fixedly connected
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Abstract
The utility model discloses a guide wire with a movable core wire, which comprises: the core wire comprises an elastic tube and a core wire body arranged in the elastic tube in a sliding manner, wherein one end of the elastic tube is fixedly provided with a fixed block, and the fixed block is fixedly connected with an installation block; the mounting block is provided with a mounting cavity for the sliding rod to slide up and down, the sliding rod is fixedly connected with two symmetrically arranged hinge blocks, and each hinge block is hinged with a hinge rod; fixture, fixture is including installing two rectangle poles on the fixed block, every the equal fixed mounting of rectangle pole one end has arc splint, every the rectangle pole is all with corresponding the hinge bar is articulated. According to the utility model, one end of the elastic tube can be controlled to be in a hard state or a soft state by adjusting the position of the core wire body according to actual conditions, so that the practicability of the guide wire is greatly improved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a guide wire with a movable core wire.
Background
The guide wire is also called as a guide wire or a guide wire, and is one of the main tools of the percutaneous puncture cannula, the guide wire plays a role in guiding and supporting the catheter, helps the catheter to enter blood vessels and other cavities, and guides the catheter to smoothly reach a lesion, and is as important as the catheter in the catheter treatment operation.
The seal wire that uses at present generally comprises elastic tube and core silk, and the core silk both ends are the welding together with the elastic tube both ends, when using the seal wire sometimes, the one end that needs the elastic tube is in more soft state, but because the both ends of core silk both ends and elastic tube are together fixed, can't remove, the core silk of stereoplasm will make the elastic tube both ends all be in hard state, can't take place deformation, thereby the one end that leads to the elastic tube can't be in soft state, lead to the practicality of seal wire relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the following defects in the prior art that two ends of a core wire and two ends of an elastic tube are fixed together and cannot move, the hard core wire can enable the two ends of the elastic tube to be in a hard state and cannot deform, so that one end of the elastic tube cannot be in a soft state, and the practicability of a guide wire is poor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a guidewire having a removable core, the guidewire comprising:
the core wire comprises an elastic tube and a core wire body arranged in the elastic tube in a sliding manner, wherein one end of the elastic tube is fixedly provided with a fixed block, and the fixed block is fixedly connected with an installation block;
the mounting block is provided with a mounting cavity for the sliding rod to slide up and down, the sliding rod is fixedly connected with two symmetrically arranged hinge blocks, and each hinge block is hinged with a hinge rod;
the clamping mechanism comprises two rectangular rods arranged on the fixing block, one end of each rectangular rod is fixedly provided with an arc-shaped clamping plate, and each rectangular rod is hinged with the corresponding hinge rod;
the limiting mechanism comprises a rotating block which is rotatably installed on the sliding rod, and two limiting plates which are matched with the rotating block for use are symmetrically installed on the installing block.
Preferably, one end of the sliding rod is fixedly connected with a spring, and one end, far away from the sliding rod, of the spring is fixedly connected with the lower inner wall of the installation cavity.
Preferably, one side of each arc-shaped clamping plate, which is far away from the rectangular rod, is fixedly connected with a rubber pad, and the rubber pads are used for enhancing the stability of the core wire body.
Preferably, every equal joint has the gag lever post that is vertical setting on the limiting plate, every the gag lever post all is used for the restriction the rotation of turning block.
Preferably, each rectangular rod is in sliding connection with the fixing block, and the fixing block is provided with an opening for connecting the rectangular rods.
Preferably, elastic tube one end is provided with the joint piece that is used for installing the connector, the joint piece with the elastic tube joint.
Compared with the prior art, the utility model has the beneficial effects that:
through making slide bar and installation piece take place relative slip, make the angle grow of contained angle between two hinge bars, the rubber pad on two arc splint breaks away from with core silk body surface simultaneously, later can adjust the position of core silk body, make elastic tube one end be in soft state, after the position of adjusting the core silk body, manual rebound slide bar, the contained angle between two hinge bars can diminish again, make the rubber pad that sets up on two arc splint, closely laminate with the surface of core silk body, utilize the gag lever post to prevent the rotation of turning block, thereby can restrict the removal of core silk body, prevent that the core silk body from taking place to remove at will, can be according to actual conditions through adjusting the position of core silk body, the one end of controlling the elastic tube is in hard state, or be in soft state, make the practicality of seal wire improve greatly.
Drawings
Fig. 1 is a schematic front structural view of a guidewire with a movable core wire according to the present invention;
fig. 2 is a schematic perspective view of a guidewire with a movable core wire according to the present invention;
fig. 3 is a partially enlarged view of a in fig. 1.
In the figure: 1 elasticity pipe, 2 core silk bodies, 3 articulated rods, 4 fixed blocks, 5 rectangular poles, 6 slide bars, 7 joint pieces, 8 turning blocks, 9 arc splint, 10 limiting plates, 11 gag lever posts, 12 installation pieces, 13 articulated pieces, 14 springs, 15 installation cavities.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.
Referring to fig. 1-3, a guidewire with a removable core wire, the guidewire comprising: the elastic tube comprises an elastic tube 1 and a core wire body 2 arranged in the elastic tube 1 in a sliding manner, wherein one end of the elastic tube 1 is fixedly provided with a fixed block 4, the fixed block 4 is fixedly connected with an installation block 12, one end of the elastic tube 1 is provided with a clamping block 7 used for installing a connector, and the clamping block 7 is clamped with the elastic tube 1; slide bar 6 offers on installation piece 12 and is used for slide bar 6 gliding installation cavity 15 from top to bottom, and two articulated pieces 13 that are the symmetry and set up of fixedly connected with on slide bar 6 all articulate on every articulated piece 13 and have articulated pole 3.
The clamping mechanism comprises two rectangular rods 5 arranged on a fixed block 4, one end of each rectangular rod 5 is fixedly provided with an arc-shaped clamping plate 9, each rectangular rod 5 is hinged with the corresponding hinged rod 3, one side of each arc-shaped clamping plate 9 far away from the rectangular rod 5 is fixedly connected with a rubber pad which is used for enhancing the stability of the core wire body 2, and after the included angle between the two hinged rods 3 is reduced, so that the rubber pads arranged on the two arc-shaped splints 9 are tightly attached to the surface of the core wire body 2, thereby can prevent that core silk body 2 from taking place to remove at will, every rectangle pole 5 all with 4 sliding connection of fixed block, offer the opening that is used for connecting rectangle pole 5 on the fixed block 4, opening sliding connection on rectangle pole 5 and the fixed block 4, the opening has restricted rectangle pole 5's moving direction for rectangle pole 5 can only remove in the horizontal direction.
A limiting mechanism, the limiting mechanism comprises a rotating block 8 rotatably mounted on the sliding rod 6, two limiting plates 10 used in cooperation with the rotating block 8 are symmetrically mounted on the mounting block 12, a vertically arranged limiting rod 11 is clamped on each limiting plate 10, each limiting rod 11 is used for limiting the rotation of the rotating block 8, the rotation of the rotating block 8 is not limited by the limiting plates 10 by separating the two limiting rods 11 from the limiting plates 10 at the same time, after the rotating block 8 is manually rotated, because the rotating block 8 consists of a circular ring and two rectangular blocks, after the rotating block 8 is rotated, the surfaces of the two rectangular blocks on the rotating block 8 are not in contact with the surfaces of the limiting plates 10, the vertical movement of the rotating block 8 is not limited by the limiting plates 10, a spring 14 is fixedly connected to one end of the sliding rod 6, one end of the spring 14 far away from the sliding rod 6 is fixedly connected to the lower inner wall of the mounting cavity 15, when the surfaces of the two rectangular blocks on the rotating block 8 are not in contact with the surfaces of the limiting plates 10, the vertical movement of the rotating block 8 is not limited by the limiting plates 10, because one end of the spring 14 is fixedly connected with the sliding rod 6, the other end of the spring 14 is fixedly connected with the lower inner wall of the mounting cavity 15, under the action of the elastic force of the spring 14, the sliding rod 6 can vertically move downwards, and the two hinged blocks 13 fixedly connected with the sliding rod 6 can also move downwards at the same time.
In the utility model, each limiting rod 11 is clamped with the limiting plate 10, the two limiting rods 11 are simultaneously separated from the corresponding limiting plates 10, then the rotating block 8 is manually rotated, because the rotating block 8 consists of a circular ring and two rectangular blocks, after the rotating block 8 rotates, the surfaces of the two rectangular blocks on the rotating block 8 are not contacted with the surface of the limiting plate 10, the vertical movement of the rotating block 8 is not limited by the limiting plate 10, because one end of the spring 14 is fixedly connected with the sliding rod 6, the other end of the spring 14 is fixedly connected with the lower inner wall of the mounting cavity 15, under the elastic force of the spring 14, the sliding rod 6 vertically moves downwards, the two hinge blocks 13 fixedly connected with the sliding rod 6 simultaneously move downwards, because one end of the hinge rod 3 is hinged with the hinge block 13, the other end of the hinge rod 3 is hinged with the rectangular rod 5, and the rectangular rod 5 is connected with the opening on the fixed block 4 in a sliding manner, the opening limits the moving direction of the rectangular rod 5, so that the rectangular rod 5 can only move in the horizontal direction, in the process that the two hinging blocks 13 move downwards, the inclination angles of the two hinging rods 3 can be changed at the same time, the included angle between the two hinging rods 3 is increased, so that the two rectangular rods 5 can slide relative to the fixed block 4 at the same time, the distance between the two rectangular rods 5 is increased, the distance between the arc-shaped clamping plates 9 fixedly connected to the two rectangular rods 5 is also increased at the same time, so that the surfaces of the rubber pads and the core wire body 2 are separated, then the core wire body 2 can be pulled manually, so that the core wire body 2 slides in the elastic tube 1, the position of the core wire body 2 can be adjusted, one end of the elastic tube 1 is in a soft state, after the position of the core wire body 2 is adjusted, manual rebound slide bar 6, the contained angle between two articulated arms 3 will diminish again, make the rubber pad that sets up on two arc splint 9, closely laminate with the surface of core silk body 2, adjust the angle of turning block 8, utilize gag lever post 11 to prevent the rotation of turning block 8, thereby can restrict the removal of core silk body 2, prevent that core silk body 2 from taking place to remove at will, can be according to actual conditions through the position of adjusting core silk body 2, the one end of controlling elastic tube 1 is in hard state, perhaps is in soft state, make the practicality of seal wire improve greatly.
In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically indicated and limited.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A guidewire having a removable core, the guidewire comprising:
the core wire comprises an elastic tube (1) and a core wire body (2) arranged in the elastic tube (1) in a sliding mode, wherein a fixed block (4) is fixedly arranged at one end of the elastic tube (1), and an installation block (12) is fixedly connected onto the fixed block (4);
the mounting device comprises a sliding rod (6), wherein a mounting cavity (15) for the sliding rod (6) to slide up and down is formed in the mounting block (12), two hinge blocks (13) which are symmetrically arranged are fixedly connected to the sliding rod (6), and each hinge block (13) is hinged with a hinge rod (3);
the clamping mechanism comprises two rectangular rods (5) arranged on the fixing block (4), one end of each rectangular rod (5) is fixedly provided with an arc-shaped clamping plate (9), and each rectangular rod (5) is hinged with the corresponding hinge rod (3);
stop gear, stop gear installs including rotating turning block (8) on slide bar (6), install on piece (12) the symmetry install two with two limiting plate (10) that turning block (8) cooperation was used.
2. A guidewire with a movable core according to claim 1, wherein a spring (14) is fixedly connected to one end of the sliding rod (6), and one end of the spring (14) far away from the sliding rod (6) is fixedly connected to the lower inner wall of the mounting cavity (15).
3. A guidewire with a movable core according to claim 1, characterized in that a rubber pad is fixedly connected to each side of the arc-shaped clamping plate (9) away from the rectangular rod (5), and the rubber pad is used for enhancing the stability of the core wire body (2).
4. The guidewire with the movable core wire according to claim 1, wherein a vertically arranged limiting rod (11) is clamped on each limiting plate (10), and each limiting rod (11) is used for limiting the rotation of the rotating block (8).
5. The guidewire with the movable core wire according to claim 1, wherein each rectangular rod (5) is slidably connected with the fixed block (4), and the fixed block (4) is provided with an opening for connecting the rectangular rods (5).
6. A guidewire with a movable core wire according to claim 1, wherein one end of the elastic tube (1) is provided with a clamping block (7) for installing a connector, and the clamping block (7) is clamped with the elastic tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211845.3U CN216258681U (en) | 2021-09-13 | 2021-09-13 | Guide wire with movable core wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211845.3U CN216258681U (en) | 2021-09-13 | 2021-09-13 | Guide wire with movable core wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216258681U true CN216258681U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122211845.3U Active CN216258681U (en) | 2021-09-13 | 2021-09-13 | Guide wire with movable core wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216258681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020041A (en) * | 2022-12-08 | 2023-04-28 | 北京管桥医疗科技有限公司 | Guide wire threading device and guide wire threading method |
-
2021
- 2021-09-13 CN CN202122211845.3U patent/CN216258681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020041A (en) * | 2022-12-08 | 2023-04-28 | 北京管桥医疗科技有限公司 | Guide wire threading device and guide wire threading method |
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