CN206867496U - A kind of cerebrovascular micro-wire - Google Patents

Abstract

The utility model discloses a kind of cerebrovascular micro-wire, for cerebrovascular disease therapy equipment technology field, include the body of flexibility, body includes inner and outer tubes, the wire being coiled in the shape of a spiral on the outside of inner pipe wall is provided between inner and outer tubes, integrative-structure is fixedly connected to form using hot glue compacting between inner tube and wire, between wire and outer tube, wire is formed in the distal end of body stretches out body distal end face and in the extension of spring-like, and body has the elongated tube chamber that extension is extended to by the near-end of body.Each several part the technical scheme such as is fixedly connected with by the utility model using hot glue compacting makes it dimensionally to reduce, also there is compliance, resistance to torsion, tracing property, supportive and the fold resistance significantly improved, simultaneously, wire between inner and outer tubes is directly formed into the extension that distal end is in spring-like, encephalic distal vessels is passed through so as to safely and conveniently introduction pipe body and completes cerebral hemorrhage operation.

Description

A kind of cerebrovascular micro-wire

Technical field

The utility model is used for cerebrovascular disease therapy equipment technology field, more particularly to a kind of cerebrovascular micro-wire.

Background technology

Cerebral hemorrhage refers to mainly there there is occurrence cause with cerebrovascular lesion in non-traumatic cerebral essence caused by cerebral hemorrhage Close, i.e., it is relevant with the aging etc. of high fat of blood, diabetes, hypertension, blood vessel.Traditional treatment is to use medicine after cerebral hemorrhage, but medicine Hemostasis is slower, after there is blood coagulation, operation of opening cranium, often leaves sequelae.And (artery micro-wire expands hand to interventional therapy operation Art and stenter to implant operation) it is a series of diagnosis carried out by using intervention apparatus and material and modernization digital diagnosis and treat equipment Operated with treatment；It only needs local anaesthesia compared with traditional surgery, opens 1-2mm osculum, thus it has The advantages that blood is few, wound is small, few intercurrent disease, fast and safe and reliable post-operative recovery, so as to mitigate what patient was born significantly Pain.

Cranial nerve PCI refers to by opening a duck eye at human thigh's arteries position, then micro- is led with one Silk deeply treat in patient body by the cerebrovascular, the minimally invasive intracavity operation for carrying out cranial vascular disease.Wherein, the pipe as micro-wire main body Body, its performance requirement is very high it is necessary to have enough compliances, resistance to torsion, tracing property, supportive, fold resistance etc., to ensure Micro-wire can be bent along the blood vessel of patient in operation, and timely and accurately the push-and-pull to doctor, torsion etc. operate Respond.In addition, in order to which medicine, seal wire or embolization material such as support, turn etc. are delivered into affected part along conduit, pipe Body should also have the middle cavity through whole body.Therefore, the pipe shaft of micro-wire all has the structure of very Special complex.

Utility model content

To solve the above problems, the utility model provides a kind of cerebrovascular micro-wire, it can not only dimensionally reduce, Also there is compliance, resistance to torsion, tracing property, supportive and the fold resistance significantly improved, so as to safely and conveniently pass through cranium Interior distal vessels complete cerebral hemorrhage operation.

Technical scheme is used by the utility model solves its technical problem：A kind of cerebrovascular micro-wire, including flexibility Body, the body includes inner tube and the outer tube that is enclosed on the outside of said inner tube, is provided with helically between said inner tube and outer tube Shape is coiled in the wire on the outside of inner pipe wall, and between said inner tube and wire, hot glue is used between wire and outer tube Compacting is fixedly connected to form integrative-structure, and the wire forms stretching body distal end face in the distal end of body and is in spring-like Extension, the body has extends to the elongated tube chamber of extension by the near-end of body.

The improvement of technical solutions of the utility model is further used as, developing mark is embedded with the extension.

The improvement of technical solutions of the utility model is further used as, the developing mark sets at least one.

The improvement of technical solutions of the utility model is further used as, the near-end of the body is provided with handle.

The improvement of technical solutions of the utility model is further used as, the body is provided with the outside tube wall of outer tube to be strengthened Layer, the enhancement layer are included proximal part and prolonged by proximal part by extending to body distal end, the enhancement layer in the middle part of body The extension of body distal end is extended, the proximal part has the lines in weaving shape, and the extension, which has, is in Spiral helicine lines.

The improvement of technical solutions of the utility model is further used as, said inner tube has smooth inner side tube wall, described outer Pipe has smooth outside tube wall.

The improvement of technical solutions of the utility model is further used as, the external diameter of the body is gradually become by near-end to distal end It is small.

The improvement of technical solutions of the utility model is further used as, the external diameter of the body distalmost end is 0.2mm.

The improvement of technical solutions of the utility model is further used as, the hardness of the body is gradually become by near-end to distal end It is small.

The beneficial effects of the utility model：The utility model mainly includes inner tube, outer tube, and gold is set up between inner and outer tubes Belong to silk, and each several part is fixedly connected with etc. into technical scheme using hot glue compacting makes it dimensionally to reduce, and also has Compliance, resistance to torsion, tracing property, supportive and the fold resistance being significantly increased, meanwhile, the wire between inner and outer tubes is straight The extension to form that distal end is in spring-like is connect, passing through encephalic distal vessels completion brain so as to safely and conveniently introduction pipe body overflows Blood is performed the operation.

Brief description of the drawings

The utility model is described in further detail below in conjunction with the accompanying drawings：

Fig. 1 is the utility model structure diagram.

Embodiment

Reference picture 1, that show the concrete structure of the preferred embodiment of the utility model.It will be detailed below this reality It is with shown in Fig. 1 with the design feature of new each part, and during if being described to direction (upper and lower, left and right, before and after) Structure be with reference to describe, but it is of the present utility model actual use direction be not limited thereto.

The utility model provides a kind of cerebrovascular micro-wire, including flexible body 1, body 1 use high polymer material It is combined, the body 1 includes inner tube and the outer tube being enclosed on the outside of said inner tube, i.e. body includes inside and outside two layers, described interior Manage and be coiled in wire on the outside of inner pipe wall in the shape of a spiral being provided between outer tube, between said inner tube and wire, metal Integrative-structure is fixedly connected to form using hot glue compacting between silk and outer tube, the wire is formed in the distal end of body to be stretched out Body distal end end face and in the extension 2 of spring-like, the body 1 has extends to the elongated pipe of extension by the near-end of body Chamber.The utility model mainly includes inner tube, outer tube, wire is set up between inner and outer tubes, and each several part is used into hot glue Compacting, which such as is fixedly connected with the technical scheme, makes it dimensionally to reduce, also have the compliance significantly improved, resistance to torsion, Tracing property, supportive and fold resistance, the tortuous narrow diseased region of patient can be treated, avoided to stenotic lesion Position carries out the process of other processing, is provided conveniently for quick treatment.Meanwhile by the direct shape of wire between inner and outer tubes It is in the extension 2 of spring-like into distal end, passes through encephalic distal vessels so as to safely and conveniently introduction pipe body and complete cerebral hemorrhage Operation.

Wherein, at least one developing mark 3 is embedded with the extension, the developing mark 3 can help doctor to understand brain Accurate location of the blood vessel micro-wire in conveying.The near-end of the body is provided with handle 4, hand-held in convenient operation.It is described Inner tube has smooth inner side tube wall, and the outer tube has smooth outside tube wall, and the smooth structure can be by setting smooth painting The modes such as layer obtain, and insert endovascular resistance for reducing, reduce stimulation and damage of the course of conveying to vascular wall.

Meanwhile the body is provided with enhancement layer on the outside tube wall of outer tube, the enhancement layer is extended by the middle part of body To body distal end, the enhancement layer includes proximal part and the extension of body distal end is extended to by proximal part, described near End part has the lines in weaving shape, and the extension has spiral lines.Pass through this design so that Compliance, resistance to torsion, tracing property, supportive and the fold resistance of conduit all significantly improve, and soft in near-end pushability and distal end Balance is reached between pliable.

The external diameter of the body 1 is tapered into by near-end to distal end, and the external diameter of the distalmost end of body 1 is 0.2mm, so There is body 1 and pass through performance well.The hardness of the body 1 is tapered into by near-end to distal end, so that distal portion Dividing has preferable compliance because its hardness is smaller, and harder in near-end, conveniently inserts operation.

Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application In claim limited range.

Claims (9)

1. A kind of 1. cerebrovascular micro-wire, it is characterised in that：Include the body of flexibility, the body includes inner tube and is enclosed in described Outer tube on the outside of pipe, the wire being coiled in the shape of a spiral on the outside of inner pipe wall is provided between said inner tube and outer tube, it is described interior Integrative-structure, the wire are fixedly connected to form using hot glue compacting between pipe and wire, between wire and outer tube Formed in the distal end of body and stretch out body distal end face and in the extension of spring-like, the body has to be prolonged by the near-end of body Extend the elongated tube chamber of extension.
2. 2. cerebrovascular micro-wire according to claim 1, it is characterised in that：Developing mark is embedded with the extension.
3. 3. cerebrovascular micro-wire according to claim 2, it is characterised in that：The developing mark sets at least one.
4. 4. cerebrovascular micro-wire according to claim 1, it is characterised in that：The near-end of the body is provided with handle.
5. 5. cerebrovascular micro-wire according to claim 1, it is characterised in that：The body is set on the outside tube wall of outer tube There is enhancement layer, the enhancement layer is included proximal part and by near-end by extending to body distal end, the enhancement layer in the middle part of body The extension of body distal end is extended partially into, the proximal part has the lines in weaving shape, the extension With spiral lines.
6. 6. cerebrovascular micro-wire according to claim 1, it is characterised in that：Said inner tube has smooth inner side tube wall, The outer tube has smooth outside tube wall.
7. 7. cerebrovascular micro-wire according to claim 1, it is characterised in that：The external diameter of the body by near-end to distal end by Gradual change is small.
8. 8. cerebrovascular micro-wire according to claim 7, it is characterised in that：The external diameter of the body distalmost end is 0.2mm.
9. 9. cerebrovascular micro-wire according to claim 1, it is characterised in that：The hardness of the body by near-end to distal end by Gradual change is small.