CN106955138B

CN106955138B - Multifunctional zebra guide wire

Info

Publication number: CN106955138B
Application number: CN201710138793.7A
Authority: CN
Inventors: 徐白生; 郑健林; 胡小峰; 冷芬贵; 涂黄; 蒋晏英
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-09
Filing date: 2017-03-09
Publication date: 2023-07-07
Anticipated expiration: 2037-03-09
Also published as: CN106955138A

Abstract

The invention discloses a multifunctional zebra guide wire, which comprises a guide wire core and a guide wire wrapping layer wrapping the guide wire core, wherein an axle cable extending along the length direction of the guide wire core is arranged in the guide wire wrapping layer, the axle cable is provided with a trigger end, the axle cable is in a flat state in the guide wire wrapping layer when the trigger end of the axle cable is not triggered, and the front end of the axle cable is in an outwards-raised state when the trigger end of the axle cable is triggered, so that the guide wire wrapping layer radially expands at the front end of the axle cable. In the urinary system calculus operation, the calculus can be prevented from moving upwards by using the zebra guide wire, so that the operation is simplified.

Description

Multifunctional zebra guide wire

Technical Field

The invention relates to a multifunctional zebra guide wire.

Background

The zebra guide wire is one of the indispensable auxiliary medical equipment in surgical series, especially in the endoscopic operation of urinary surgery, and is mainly used for guiding the ureteroscope, the percutaneous nephroscope, the laparoscope and other operations in cavities. In conventional urolithiasis surgery, the zebra guide wire 0 only has a guiding effect, as shown in fig. 5. On the other hand, during the surgical lithotripsy, blocking by other means is also required in order to prevent the stones 6 from moving upwards.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the multifunctional zebra guide wire, and the calculus can be prevented from moving upwards by using the zebra guide wire, so that the operation is simplified.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a multi-functional zebra guide wire, includes the seal wire core and wraps up seal wire parcel layer on the seal wire core, be provided with in the seal wire parcel layer and follow the axle cable that the length direction of seal wire core extends, the axle cable has the trigger end, the trigger end of axle cable is not triggered the axle cable is in the seal wire parcel layer is in the flat state, the trigger end of axle cable is triggered the front end of axle cable is the state of outwards uplifting, makes the seal wire parcel layer is in the front end department of axle cable radially expands.

The tail end of the guide wire wrapping layer is provided with a slotted hole, and the triggering end of the axle cable is arranged in the slotted hole in a mode of moving back and forth and is exposed out through the slotted hole.

The shaft cable comprises at least one group of shaft cable components, each shaft cable component comprises a first section cable wire, a second section cable wire and a third section cable wire which are sequentially connected along the length direction of the guide wire core, the length of each first section cable wire is larger than that of each second section cable wire and that of each third section cable wire, each second section cable wire and each third section cable wire are arranged at the front end of the shaft cable, each first section cable wire is connected with each second section cable wire through a first rotating shaft, each second section cable wire is connected with each third section cable wire through a second rotating shaft, when the first section cable wire is pushed forwards by the triggering end of the shaft cable, the second section cable wire and the third section cable wire are enabled to be in a triangular shape and bulge through the pivoting action of the first rotating shaft, the bulged second section cable wire and the third section cable wire jack up the corresponding part of the guide wire wrapping layer towards the radial direction, the second section cable wire and the third section cable wire are enabled to return to the flat state when the first section cable wire and the triggering end of the guide wire are enabled to be in the flat state.

The axle cable comprises four groups of axle cable components which are symmetrically distributed around the guide wire core.

The four groups of axle cable assemblies are respectively connected with the four trigger ends and triggered by the corresponding trigger ends.

Four slotted holes are formed in the tail end of the guide wire wrapping layer, the triggering end of the shaft cable is arranged in the corresponding slotted hole in a mode of being capable of moving back and forth, and the triggering end of the shaft cable is exposed out of the slotted hole and connected with the first cable-saving wire in the guide wire wrapping layer.

The four groups of axle cable assemblies are connected with the same trigger end and synchronously triggered by the trigger end.

The guide wire wrapping layer is made of elastic materials, preferably polytetrafluoroethylene materials.

The outer surface of the guide wire wrapping layer is coated with a hydrophilic coating.

The foremost end of the shaft cable is fixed in the guide wire wrapping layer.

The guide wire core is a metal core.

The invention has the beneficial effects that:

according to the invention, the axial cable which is positioned at the periphery of the guide wire core in the guide wire wrapping layer is added on the basis of the traditional zebra guide wire, when the triggering end of the axial cable is not triggered, the axial cable is in a flat state in the guide wire wrapping layer, when the zebra guide wire passes through stones, the front end of the axial cable is unfolded through triggering the triggering end of the axial cable to be in an outwards-raised state, and the guide wire wrapping layer is radially expanded at the front end of the axial cable, so that the ureteral lumen is blocked, and stones can be prevented from moving upwards in the stone breaking process.

The multifunctional guide wire for the urinary calculus disclosed by the invention skillfully realizes the multifunctionalization of the guide wire for the zebra, overcomes the defect that the guide wire only has a guiding function in the traditional urinary calculus writing operation, and realizes the front end plugging function of the guide wire for the zebra, so that the guide wire for the zebra can be used for preventing the calculus from moving upwards during calculus breaking, thereby simplifying the operation, increasing the success rate of the operation and relieving the pain and economic burden of patients.

Drawings

FIG. 1 is a schematic view of a multi-functional zebra guide wire according to an embodiment of the present invention in which the axial cord is in a natural state;

FIG. 2 is a schematic view of a multi-functional zebra guide wire according to an embodiment of the present invention

FIG. 3 is a cross-sectional view A-A of the multi-functional zebra guide wire of FIG. 1;

FIG. 4 is a schematic illustration of the use of one embodiment of a multi-functional zebra guide wire of the present invention;

fig. 5 is a schematic view of the use of a conventional multi-functional zebra guide wire.

Detailed Description

The following describes embodiments of the present invention in detail. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the invention or its applications.

Referring to fig. 1 to 4, in one embodiment, a multifunctional zebra guide wire includes a guide wire core 4 and a guide wire wrapping layer 1 wrapped on the guide wire core 4, a shaft rope 3 extending along a length direction of the guide wire core 4 is disposed in the guide wire wrapping layer 1, the shaft rope 3 has a trigger end 2, when the trigger end 2 of the shaft rope 3 is not triggered, the shaft rope 3 is in a flat state in the guide wire wrapping layer 1, when the trigger end 2 of the shaft rope 3 is triggered, the front end of the shaft rope 3 is opened to be in an outwards-raised state, so that the guide wire wrapping layer 1 is radially expanded at the front end of the shaft rope 3, thereby sealing a ureteral lumen and preventing stones 6 from moving upwards in a stone breaking process.

As shown in fig. 1 to 3, in a preferred embodiment, the tail end of the guide wire wrapping layer 1 is provided with a slot, and the trigger end 2 of the spindle cable 3 is disposed in the slot in a manner of being movable back and forth and is exposed outside through the slot.

As shown in fig. 1 to 3, in a preferred embodiment, the axle wire 3 comprises at least one set of axle wire assemblies. The axle cable assembly includes a plurality of segments of cable wires and a rotating axle 5 connecting adjacent cable wires together.

As shown in fig. 1 to 3, in a more preferred embodiment, the shaft cable assembly includes a first section cable wire 301, a second section cable wire 302 and a third section cable wire 303 sequentially connected along the length direction of the guide wire core 4, the length of the first section cable wire 301 is greater than the lengths of the second section cable wire 302 and the third section cable wire 303, the second section cable wire 302 and the third section cable wire 303 are disposed at the front end of the shaft cable 3, the first section cable wire 301 and the second section cable wire 302 are connected through a first rotation shaft 501, the second section cable wire 302 and the third section cable wire 303 are connected through a second rotation shaft 502, when the first section cable wire 301 is pushed forward by the trigger end 2 of the shaft cable 3, the second section cable wire 302 and the third section cable wire 303 are raised in a triangle shape through the pivoting action of the first rotation shaft 501 and the second rotation shaft 502, the raised second section cable wire 302 and the third section cable wire 302 are in a flat state corresponding to the first section cable wire 302 and the second section cable wire 1 are pulled to the flat wire 1, and the first section cable wire 1 is restored to the flat state.

Referring to fig. 1-3, in a more preferred embodiment, the shaft 3 includes four sets of shaft assemblies symmetrically distributed about the guidewire core 4.

Referring to fig. 1 to 3, in a more preferred embodiment, the four sets of cable assemblies are respectively connected to four trigger ends 2 and are triggered by the corresponding trigger ends 2.

Referring to fig. 1 to 3, in a more preferred embodiment, the tail end of the wire wrapping layer 1 is provided with four slots, the trigger end 2 of the axle wire 3 is disposed in the corresponding slots in a manner of being capable of moving back and forth, and the trigger end 2 of the axle wire 3 is exposed out through the slots and is connected with the first cable in the wire wrapping layer 1.

In a more preferred embodiment, as shown in fig. 3, the multi-functional zebra guide wire is provided with a control handle 7, each trigger end 2 is mounted on the control handle 7, and each trigger end 2 can be controlled simultaneously by operating the control handle 7. Each trigger end 2 and the control handle 7 may be of an integrally formed construction.

In a preferred embodiment, the four sets of cable assemblies are connected to the same trigger end 2 and are triggered synchronously by the trigger end 2. In the previous embodiment, the integral structure of the trigger 2 and the control handle 7 can be regarded as a condition of the same trigger 2.

In a preferred embodiment, the guide wire coating 1 is made of an elastic material which is stretchable and recoverable, preferably polytetrafluoroethylene.

In a preferred embodiment, the outer surface of the guide wire wrap 1 is coated with a hydrophilic coating.

In a preferred embodiment, the foremost end of the shaft cable 3 is fixed within the wire wrap 1.

In a preferred embodiment, the guidewire core 4 is a metal core.

According to the embodiment of the invention, the axial cable 3 positioned at the periphery of the guide wire core in the guide wire wrapping layer 1 is added on the basis of the traditional zebra guide wire, when the trigger end 2 of the axial cable 3 is not triggered, the axial cable 3 is in a flat state in the guide wire wrapping layer 1, after the zebra guide wire passes through stones, the front end of the axial cable 3 can be unfolded through triggering the trigger end 2 of the axial cable 3 to be in an outwards-raised state, and the guide wire wrapping layer 1 is radially expanded at the front end of the axial cable 3, so that the ureteral lumen is plugged, and stones can be prevented from moving upwards in the stone breaking process.

The invention realizes the multifunction of the zebra guide wire, overcomes the defect that the zebra guide wire only has the guiding function in the traditional urinary calculus writing operation, and realizes the front end plugging function of the zebra guide wire, so that the zebra guide wire can be used for preventing the calculus from moving upwards when the calculus is broken, thereby simplifying the operation, increasing the success rate of the operation and relieving the pain and the economic burden of patients. .

The foregoing is a further detailed description of the invention in connection with specific/preferred embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the invention, and these alternatives or modifications should be considered to be within the scope of the invention.

Claims

1. The multifunctional zebra guide wire comprises a guide wire core and a guide wire wrapping layer wrapping the guide wire core, and is characterized in that the guide wire core is a metal core, a shaft rope extending along the length direction of the guide wire core is arranged in the guide wire wrapping layer, the shaft rope is provided with a trigger end, the shaft rope is in a flat state in the guide wire wrapping layer when the trigger end of the shaft rope is not triggered, the front end of the shaft rope is in an outwards-raised state when the trigger end of the shaft rope is triggered, the guide wire wrapping layer is radially expanded at the front end of the shaft rope, the shaft rope comprises at least one group of shaft rope components, the shaft rope components comprise a first rope wire, a second rope wire and a third rope wire which are sequentially connected along the length direction of the guide wire core, the length of the first rope wire is larger than that of the second rope wire and the third rope wire, the second and third section wires are arranged at the front end of the shaft cable, the first section wire is connected with the second section wire through a first rotating shaft, the second section wire is connected with the third section wire through a second rotating shaft, when the first section wire is pushed forward by the triggering end of the shaft cable, the second section wire and the third section wire are enabled to be in a triangle shape to be raised through the pivoting action of the first rotating shaft and the second rotating shaft, the raised second section wire and the third section wire jack up the corresponding part of the guide wire wrapping layer to be expanded radially, when the first section wire is pulled back to the initial position by the triggering end of the shaft cable, the second section wire and the third section wire are enabled to be restored to be in a flat state, and restoring the corresponding part of the guide wire wrapping layer to a flat state.

2. A multi-functional zebra guide wire as set forth in claim 1 wherein a slot is formed in a trailing end of the wire wrap and the trigger end of the shaft is disposed in the slot in a back and forth movable manner and is exposed through the slot.

3. A multi-function zebra guide wire as set forth in claim 1 wherein the axial cord comprises four sets of axial cord assemblies symmetrically distributed about the guide wire core.

4. A multi-function zebra guide wire as in claim 3, wherein the four sets of cable assemblies are respectively connected to and triggered by four trigger ends.

5. A multi-functional zebra guide wire as set forth in claim 4 wherein four slots are defined in the trailing end of the guide wire wrap and the trigger end of the axle is disposed in the corresponding slot in a back and forth movable manner, the trigger end of the axle being exposed through the slots and connected to the first segment of the guide wire in the guide wire wrap.

6. A multi-function zebra guide wire as in claim 3, wherein the four sets of cable assemblies are connected to and synchronously triggered by the same trigger end.

7. A multi-functional zebra guide wire as in any of claims 1-6, wherein the guide wire wrap is an elastic material.

8. A multi-function zebra guide wire as set forth in claim 7 wherein the resilient material is polytetrafluoroethylene.

9. A multi-function zebra guide wire as in any of claims 1-6, wherein an outer surface of the guide wire wrap is coated with a hydrophilic coating.

10. A multi-function zebra guide wire as in any of claims 1-6, wherein a forwardmost end of the shaft is secured within the guide wire wrap.