CN209661888U - A kind of segmented bare bracket - Google Patents
A kind of segmented bare bracket Download PDFInfo
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- CN209661888U CN209661888U CN201821127376.9U CN201821127376U CN209661888U CN 209661888 U CN209661888 U CN 209661888U CN 201821127376 U CN201821127376 U CN 201821127376U CN 209661888 U CN209661888 U CN 209661888U
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Abstract
The utility model provides a kind of segmented bare bracket, and the segmented bare bracket includes the tubular bracket formed by the multiple wavy struts axially connected, and the wavy struts are the cyclic structure of setting in wave shape；The tubular bracket includes sequentially connected proximal support mechanism, middle area's supporting mechanism and distal end supporting mechanism；The proximal support mechanism includes proximal face, and the proximal face is vertical with the axis of the proximal support mechanism.Tubular bracket in segmented bare bracket provided by the utility model is formed using the wavy struts of cyclic structure, it is with preferable radial support power, and it is concordant in the proximal face of proximal support mechanism, so that proximal support structure be applied to bifurcated vessels when its circumferential direction there is stronger support force, can to avoid proximal support mechanism be used for bifurcated vessels when by near it arterial bracket or with the rigid tissue compression near bifurcated vessels and deform.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of segmented bare bracket.
Background technique
With the high speed development of modern society, the aggravation of aging of population degree, the operating pressure of people constantly increases, and lives
Habit is again not healthy enough, and China's cardiovascular disease is caused to take place frequently, and becomes the first big disease for endangering compatriots' health, prevents
Control the emphasis for having become domestic and international medical field concern.Wherein efficient, the minimally invasive interventional therapy such as implantable intravascular bracket is current
Most important, most effective cardiovascular disease Clinics.For hemadostewnosis or occlusive disease, implantable intravascular branch can be passed through
The mode of frame, support expansion lesion vessels, keeps the restoration of blood flow of lesion vessels unobstructed.
Such as being related to bifurcated vessels lesion patient is Iliac Vein Compression Syndrome patient, since left common iliac vein is total by right ilium
Artery is oppressed jointly with fifth lumbar vertebra, and the mechanical pressure and arteriopalmus of this duration cause adhesion in venous lumen, inner membrance to increase
Raw, fibrosis causes luminal stenosis, occludes and lead to left lower extremity venous return obstacle, therefore needs for bracket herein relatively strong
Support force, and the special vein bracket of existing market is less, iliac vein it is narrow it is clinical mainly apply arterial bracket, and arterial bracket
Radial support power is weaker to be insufficient for requiring.In addition, iliac vein patch pelvis walking, physiological bending, therefore need to have good submissive
Property.In order to meet iliac vein region difference section support force demand, bracket must wherein a section have it is enough
Offset the radial support power of the radial pressure applied by vascular wall；Meanwhile must have in the axial direction in another section of bracket
Enough flexibilities prevent from engaging in blood vessel or bending part are twisted together, blood flow in blood vessel is caused to reduce.Therefore, it is necessary to
It designs a bracket and combines radial support power and flexibility, to adapt to lesion vessels different location to the radial support power of bracket
With different requirements flexible.
Utility model content
In view of this, the present invention provides a kind of segmented bare brackets of suitable bifurcated vessels lesion.Particular technique side
Case is as follows.
A kind of segmented bare bracket, the segmented bare bracket include being formed by the multiple wavy struts axially connected
Tubular bracket, the wavy struts are the cyclic structure of setting in wave shape；The tubular bracket includes sequentially connected proximal end
Supporting mechanism, middle area's supporting mechanism and distal end supporting mechanism；The proximal support mechanism includes proximal face, the proximal face
It is vertical with the axis of the proximal support mechanism.
Preferably, the wavy struts include the first wavy struts, the second wavy struts and the wavy support of third
Part；The proximal support mechanism includes multiple the first wavy struts being axially connected, and middle area's supporting mechanism includes multiple
Axially the second connected wavy struts, the distal end supporting mechanism include multiple third wavy struts being axially connected.
Preferably, first wavy struts are formed by the first support unit is end to end, and first support is single
Member is made of primary peak, the first trough and the first wave bar being connected between the primary peak and first trough, and
The primary peak is arranged compared to first trough close to proximal end；
Second wavy struts are formed by the second support unit is end to end, and second support unit is by second
Wave crest, the second trough and the second wave bar being connected between the secondary peak and second trough are constituted, and described second
Wave crest is arranged compared to second trough close to proximal end；
The third wavy struts are formed by third support unit is end to end, and the third support unit is by third
Wave crest, third trough and the third wave bar being connected between the third wave crest and the third trough are constituted, and the third
Wave crest is arranged compared to the third trough close to proximal end.
Preferably, the primary peak in first wavy struts and the first wave axially adjacent and close to proximal end
The first trough in shape supporting element connects, so that the proximal support mechanism forms fenestral fabric.
Preferably, in first wavy struts the distance between two neighboring described primary peak be equal to it is axially adjacent
First wavy struts in the distance between two neighboring first trough.
Preferably, the primary peak in first wavy struts of proximal end is in the same plane to constitute
The proximal face.
Preferably, the third wave crest in the third wavy struts and the third wave axially adjacent and close to proximal end
Third trough in shape supporting element connects, so that the distal end supporting mechanism forms fenestral fabric.
Preferably, in the third wavy struts the distance between two neighboring described third wave crest be equal to it is axially adjacent
The third wavy struts in the distance between the two neighboring third trough.
Preferably, the segmented bare bracket further includes developing mark, and the developing mark is arranged in the proximal support
On the first wavy struts that mechanism is connect with middle area's supporting mechanism；Or setting the distal end supporting mechanism with it is described
On the third wavy struts of middle area's supporting mechanism connection；Or it is arranged in middle area's supporting mechanism and the proximal support machine
On second wavy struts of structure connection；Or it is arranged in middle area's supporting mechanism is connect with the distal end supporting mechanism
On two wavy struts.
It is preferably, described that " the developing mark setting is connect in the proximal support mechanism with middle area's supporting mechanism
The first wavy struts on " include developing mark setting in the proximal support mechanism near middle area's support machine
First wave trough position of structure；
Described " being arranged on the third wavy struts that the distal end supporting mechanism is connect with middle area's supporting mechanism "
Including the distal end supporting mechanism is arranged near the third crest location of middle area's supporting mechanism；
Described " being arranged on the second wavy struts that middle area's supporting mechanism is connect with the proximal support mechanism "
Including middle area's supporting mechanism is arranged near the secondary peak position of the proximal support mechanism；
Described " being arranged on the second wavy struts that middle area's supporting mechanism is connect with the distal end supporting mechanism "
Including middle area's supporting mechanism is arranged near the second wave trough position of the distal end supporting mechanism.
Preferably, the developing mark is fixed on the wavy support by way of punching press, hot pressing, suture or winding
On part.
Preferably, the material of formation/production developing mark include gold, platinum, platinum-tungsten, palladium, platinum-iridium, rhodium, in tantalum
It is one or more.
Preferably, the tubular bracket further includes connection component, the proximal support mechanism and middle area's supporting mechanism
Between, it is two neighboring described between middle area's supporting mechanism and the distal end supporting mechanism or in middle area's supporting mechanism
It is connected between second wavy struts by the connection component.
Preferably, the connection component includes at least one connecting rod, " the proximal support mechanism and the middle area
Connected between supporting mechanism by the connection component " it include first wavy struts in the proximal support mechanism
Lead between primary peak and/or the first trough and the second wave bar of second wavy struts in middle area's supporting mechanism
Cross the connecting rod connection；
It is described " to pass through the connection component in middle area's supporting mechanism between two neighboring second wavy struts
Connection " include second wavy struts in middle area's supporting mechanism secondary peak and/or the second trough with it is adjacent
It is connected between second wave bar of second wavy struts by the connecting rod；
" being connected between middle area's supporting mechanism and the distal end supporting mechanism by the connection component " includes
Described the in second wave bar of second wavy struts in middle area's supporting mechanism and the distal end supporting mechanism
It is connected between the third wave crest and/or third trough of three wavy struts by the connecting rod.
Preferably, the connection component is circumferentially uniformly distributed along the tubular bracket.
Preferably, the connection component includes at least two connecting rods.
Preferably, the two neighboring connecting rod is arranged in splayed or herringbone.
Preferably, the distance between two neighboring described connecting rod is at least the distance between two neighboring first trough,
Perhaps the distance between at least two neighboring second trough or the distance between at least two neighboring third wave crest.
Preferably, the projection of the axially adjacent connection component in the axial direction is not overlapped or partly overlaps.
Preferably, the proximal end of the proximal support mechanism is from distally proximally direction gradually extends to outside the tubular bracket
Expansion.
Preferably, the proximal end of the proximal support mechanism extends expansion to outside tubular bracket and forms enlarged portion, the expansion
Portion's outboard wheel profile and the angle β of bracket central axes meet: 0 ° of 30 ° >=β >.
The utility model has the beneficial effects that the tubular bracket in segmented bare bracket provided by the utility model is using cyclic annular
The wavy struts of structure are formed, with preferable radial support power, and it is concordant in the proximal face of proximal support mechanism, make
Obtaining proximal support structure its circumferential direction when being applied to bifurcated vessels has stronger support force, can use to avoid proximal support mechanism
It is deformed when bifurcated vessels by the arterial bracket near it or with the rigid tissue compression near bifurcated vessels.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for segmented bare bracket that the utility model first embodiment provides.
Fig. 2 is the expanded schematic diagram of Fig. 1.
Fig. 3 is the structural schematic diagram of the proximal support mechanism in Fig. 2.
Fig. 4 is the structural schematic diagram of the distal end supporting mechanism in Fig. 2.
Fig. 5 is a kind of structural schematic diagram for segmented bare bracket that the utility model second embodiment provides.
Fig. 6 is the partial enlarged view of part A in Fig. 5.
Fig. 7 is a kind of structural schematic diagram for segmented bare bracket that the utility model 3rd embodiment provides.
Fig. 8 is a kind of structural schematic diagram for segmented bare bracket that the utility model fourth embodiment provides.
Fig. 9 is a kind of structural schematic diagram for segmented bare bracket that the 5th embodiment of the utility model provides.
Figure 10 is a kind of structural schematic diagram for segmented bare bracket that the utility model sixth embodiment provides.
Figure 11 is a kind of structural schematic diagram for segmented bare bracket that the 7th embodiment of the utility model provides.
Figure 12 is the partial enlarged view of part B in Figure 11.
Figure 13 is the partial enlarged view of C portion in Figure 11.
Figure 14 is the partial enlarged view of the part D in Figure 11.
Figure 15 is a kind of structural schematic diagram for segmented bare bracket that the 8th embodiment of the utility model provides.
Figure 16 is a kind of structural schematic diagram for segmented bare bracket that the 9th embodiment of the utility model provides.
Figure 17 is a kind of structural schematic diagram for segmented bare bracket that the tenth embodiment of the utility model provides.
Figure 18 is a kind of structural schematic diagram for segmented bare bracket that the 11st embodiment of the utility model provides.
Figure 19 is a kind of structural schematic diagram for segmented bare bracket that the 12nd embodiment of the utility model provides.
Figure 20 is a kind of structural schematic diagram for segmented bare bracket that the 12nd embodiment of the utility model provides.
Figure 21 is a kind of structural schematic diagram for segmented bare bracket that the 12nd embodiment of the utility model provides.
Specific embodiment
As described below is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Bearing definition: proximal end described in the utility model refers to stenter to implant blood vessel after-poppet close to one end of heart；With
Under structure refer to the structure of bracket upon inflation.Axially refer to that the central axes direction of bracket, the direction vertical with central axes are diameter
To.
Fig. 1 and Fig. 2 are please referred to, the utility model first embodiment provides a kind of segmented bare bracket 10, the segmented
Bare bracket 10 includes being formed by the multiple wavy struts 200 being axially connected together, and the wavy struts 200 are in wave shape
The cyclic structure of setting.The tubular bracket 100 includes sequentially connected proximal support mechanism 110, middle area's supporting mechanism 120
With distal end supporting mechanism 130.It is understood that the wavy struts 200 refer to that the circumferential direction of setting in wave shape joins end to end
The cyclic structure of formation.Entire wavy struts 200 can be integral structure or be fixedly connected to form.
It is understood that due to the cyclic structure that wavy struts 200 are setting in wave shape, so that by wavy struts
It is also in the circumferential cyclic annular knot in 200 proximal support mechanism 110, middle area's supporting mechanism 120 and the distal end supporting mechanisms 130 formed
Structure.Structure setting annular in shape can be in the circumferential for proximal support mechanism 110, middle area's supporting mechanism 120 and distal end supporting mechanism 130
Bifurcated vessels can be improved for actively in the radial support power for improving entire tubular bracket 100 when being applied to bifurcated vessels
Arteries and veins blood vessel, arterial bracket or the endurance that suffers oppression with the hardness tissue near bifurcated vessels.
The proximal support mechanism 110 includes proximal face 111, the proximal face 111 and the proximal support mechanism
110 axis 112 is vertical (refering to fig. 1).That is, the proximal face 111 of proximal support mechanism 110 is concordant, so that proximal end
Support construction 110 is uniform in size in the support force near proximal end circumferential direction, proximal support knot when being applied to bifurcated vessels
Structure 110 is circumferential to all have stronger support force, can be to avoid bifurcated vessels by the arterial bracket or and bifurcated vessels near it
Neighbouring rigid tissue compression and deform.
The utility model segmented bare bracket 10 can be cut by laser thermal finalization and be made, and rack body material can be selected not
Rust steel, tantalum, cobalt-base alloys, platinum, Nitinol and new titanium alloy, preferred material are Nitinol.
Referring to Fig. 2, in a further embodiment, the wavy struts 200 include the first wavy struts 113,
Second wavy struts 121 and third wavy struts 131.The proximal support mechanism 110 includes multiple axially connected the
One wavy struts 113, middle area's supporting mechanism 120 includes multiple the second wavy struts 121 being axially connected, described remote
Holding supporting mechanism 130 includes multiple third wavy struts 131 being axially connected.It is understood that the first wavy struts
113, the structure of the second wavy struts 121 and third wavy struts 131 can be identical, can not also be identical.More it is understood that
, the first wavy struts 113, the second wavy struts 121 and third wavy struts 131 can be it is equally distributed,
It is also possible to non-uniform Distribution, that is to say, that for example the first wavy struts 113 can be is made of uniform waveform, can also
To be that heterogeneity waveform is constituted, wherein heterogeneity waveform is different including axial wave amplitude, but the identical waveform of waveform length.The
Two wavy struts 121 and third wavy struts 131 are same.
In a further embodiment, first wavy struts 113 are end to end by the first support unit 1130
Composition, first support unit 1130 is by primary peak 1131, the first trough 1133 and is connected to the primary peak 1131
First wave bar 1132 between first trough 1133 is constituted, and the primary peak 1131 is compared to the first wave
Paddy 1133 is arranged close to proximal end.It is understood that the circumferentially-adjacent first wave bar 1132 connects shape close to proximal end
At primary peak 1131, the circumferentially-adjacent first wave bar 1132 connects to forming the first trough 1133 close to far-end.Institute
Stating first wave bar 1132 can be structure as a whole or be fixedly connected with primary peak 1131,1133 three of the first trough.
Second wavy struts 121 are formed by the second support unit 1210 is end to end, and second support is single
Member 1210 by secondary peak 1211, the second trough 1213 and be connected to the secondary peak 1211 and second trough 1213 it
Between the second wave bar 1212 constitute, and the secondary peak 1211 compared to second trough 1213 close to proximal end be arranged.It can
With understanding, circumferentially-adjacent the second wave bar 1212 connects to forming secondary peak 1211 close to proximal end, circumferential phase
Adjacent the second wave bar 1212 connects to forming the second trough 1213 close to far-end.The second wave bar 1212 and the second wave
Peak 1211,1213 three of the second trough can be structure as a whole or be fixedly connected.
The third wavy struts 131 are formed by third support unit 1310 is end to end, and the third support is single
Member 1310 by third wave crest 1311, third trough 1313 and be connected to the third wave crest 1311 and the third trough 1313 it
Between third wave bar 1312 constitute, and the third wave crest 1311 compared to the third trough 1313 close to proximal end be arranged.It can
With understanding, the circumferentially-adjacent third wave bar 1312 connects to forming third wave crest 1311 close to proximal end, circumferential phase
The adjacent third wave bar 1312 connects to forming third trough 1313 close to far-end.The third wave bar 1312 and third wave
Peak 1311, third trough 1313 are that three with integral structure or can be fixedly connected.
It is understood that the ruler of the first support unit 1130, the second support unit 1210 and third support unit 1310
It is very little to may be the same or different, adaptive change can be done according to different bifurcated vessels or actual conditions, so that segmented is naked
Bracket 10 plays optimum efficiency over the course for the treatment of.
It will also be appreciated that the first wavy struts 113 in different location the first support unit 1130 shape and
Size can be identical, can not also be identical.It is preferably identical, so that axial support force is uniform.Or spaced first
Support unit 1130 is arranged using identical shape and size.
It can be understood that first wave bar 1132, the second wave bar 1212 and third wave bar 1312 can be straight-bar, with curved
Bent structure or the special-shaped bar of arcuate structure either their combination.Special-shaped bar refers to first wave bar 1132, the second wave bar 1212
And third wave bar 1312 is non-straight-bar, the special-shaped bar with warp architecture refers to warp architecture in straight-bar or curved rod, curved
Bent structure is that first wave bar 1132, the second wave bar 1212 and third wave bar 1312 have bending part, and bending part can reinforce first
The bending or stretch performance of wave bar 1132, the second wave bar 1212 and third wave bar 1312.Warp architecture can be set in first wave
Any position of bar 1132, the second wave bar 1212 and third wave bar 1312 is preferably provided at first wave bar 1132, the second wave bar
1212 and third wave bar 1312 middle part.It is preferred that the special-shaped bar with warp architecture or arcuate structure is curved rod, is equipped with
The straight-bar of curved portion, Z-shaped bar or S-shaped bar.In the first embodiment, first wave bar 1132, third wave bar 1312 select directly
Bar, the second wave bar 1212 are to combine setting, the second wave bar 1212a as shown in 1212a in Fig. 2 using straight-bar and warp architecture
For warp architecture.
Referring to Fig. 3, in a further embodiment, the primary peak 1131a in the first wavy struts 113a
Connect with the first trough 1133 in axially adjacent first wavy struts 113, so that the proximal support mechanism 110
Form fenestral fabric.Such as the first trough 1133 and axially adjacent first wave in the first wavy struts 113 in Fig. 3
Primary peak 1131a in shape supporting element 113a.
In a further embodiment, the two neighboring primary peak 1131a in the first wavy struts 113a
The distance between be equal to it is axially adjacent and close to proximal end first wavy struts 113 in two neighboring first trough
The distance between 1133.So that primary peak 1131a is just docked with the first trough 1133, and then improve entire latticed proximal end
The stability of supporting mechanism 110.
In a further embodiment, the primary peak in the first wavy struts 113b of proximal end
1131b is in the same plane to constitute the proximal face 111.It is understood that in the first wavy struts 113b
All primary peak 1131b are generally aligned in the same plane, and are also possible to spaced primary peak 1131b and are generally aligned in the same plane.
Referring to Fig. 4, in a further embodiment, the third wave crest 1311a in the third wavy struts 131a
Connect with the third trough 1313 in the axially adjacent third wavy struts 131, so that the distal end supporting mechanism 130
Form fenestral fabric.It is understood that proximal end supporting mechanism 110 and distal end supporting mechanism 130 are arranged to latticed, axis
It is arranged to open loop structure rather than network between adjacent middle area's supporting mechanism 120, which is used in bifurcated vessels
When, the latticed mechanism at both ends circumferentially has preferable radial support power, can be to avoid the aortic blood for being bifurcated near vessels
Pipe, arterial bracket or with the rigid tissue compression near bifurcated vessels and deform, while non-grid structure middle area support machine
Structure 120 has preferable flexibility compared to proximal support mechanism 110 and distal end supporting mechanism 130, and middle part can be made to adapt to bending
Blood vessel requirement.
In a further embodiment, the two neighboring third wave crest 1311a in the third wavy struts 131a
The distance between be equal to it is axially adjacent and close to proximal end the third wavy struts 131 in the two neighboring third trough
The distance between 1313.
Fig. 5 and Fig. 6 are please referred to, the utility model second embodiment provides a kind of segmented bare bracket 10a, the segmented
Bare bracket 10a further includes developing mark 140, and the setting of developing mark 140 is in the proximal support mechanism 110 and the middle area
On the first wavy struts 113 that supporting mechanism 120 connects.Developing mark 140 is for the segmented bare bracket 10a that develops in performing the operation
Position in the blood vessel.
It is in a further embodiment, described that " developing mark 140 is arranged in the proximal support mechanism 110 and institute
On the first wavy struts 113 that the area Shu Zhong supporting mechanism 120 connects " it include that the developing mark 140 is arranged in the proximal end
Supporting mechanism 110 is near the first position trough 1133a of middle area's supporting mechanism 120.Refering to Fig. 6, near middle area's branch
3 evenly spaced developing marks are provided on the first trough 1133a in first wavy struts 113a of support mechanism 120
140, developing mark 140 is fixed on the first position trough 1133a in such a way that point format is by punching press, hot pressing or suture,
Developing material can also be made to development silk, then developing mark 140 is wrapped in the first position trough 1133a in the form of the silk that develops.
By proximal support mechanism 110 and middle area's supporting mechanism 120 handover position be arranged developing mark 140, can accurately by
The preferable proximal support mechanism 110 of support performance discharges the angiosomes in radial direction by larger compressing, and the area Er Jiangzhong supports machine
The release of structure 120 improves the position in the blood vessel segmented bare bracket 10a in the biggish angiosomes of curvature, by developing mark 140
The accuracy for setting release enables segmented bare bracket 10a more fully to play the advantage of segment design.It is understood that
It is that in this embodiment, the number of developing mark 140 can adapt to adjust according to demand.
Referring to Fig. 7, the utility model 3rd embodiment provides a kind of segmented bare bracket 10b, the developing mark 140
It is arranged on the third wavy struts 131 that the distal end supporting mechanism 130 is connect with middle area's supporting mechanism 120.
It is in a further embodiment, described that " setting is in the distal end supporting mechanism 130 and middle area's supporting mechanism
On the third wavy struts 131 of 120 connections " it is arranged in the distal end supporting mechanism 130 near middle area's supporting mechanism
120 1311 position of third wave crest (refering to Fig. 7).
It can also be by developing mark 140 in such a way that above-mentioned second embodiment and 3rd embodiment combine.
Referring to Fig. 8, the utility model fourth embodiment provides a kind of segmented bare bracket 10c, in proximal support mechanism
110 are provided with 3 on the first trough 1133a of a circle first waveform support rod 113a of middle area's supporting mechanism 120
The developing mark 140 at even interval.Meanwhile in the position that the distal end supporting mechanism 130 is connected with middle area's supporting mechanism 120,
In distal end supporting mechanism 130 on the third wave crest 1313 of a circle third waveform support rod 131 of middle area's supporting mechanism 120
It is also provided with 3 evenly spaced developing marks 140.By proximal support mechanism 110 or distal end supporting mechanism 130 respectively with
Developing mark 140 is arranged in the position that middle area's supporting mechanism 120 joins, can be accurately by the preferable proximal support machine of support performance
Structure 110 and distal end supporting mechanism 130 discharge the angiosomes in radial direction by larger compressing, and the area Er Jiangzhong supporting mechanism 120 is released
Be placed on the biggish angiosomes of curvature, by developing mark 140 improve segmented bare bracket 10c in the blood vessel position release
Accuracy enables the bracket of segment design more fully to play the advantage of segment design.It is understood that in the implementation
In example, the number of developing mark 140 can adapt to adjust according to demand.
Referring to Fig. 9, the 5th embodiment of the utility model provides a kind of segmented bare bracket 10d, the developing mark 140
It is arranged on the second wavy struts 121 that middle area's supporting mechanism 120 is connect with the proximal support mechanism 110.
It is in a further embodiment, described that " setting is in middle area's supporting mechanism 120 and the proximal support mechanism
On second wavy struts 121 of 110 connections " it include being arranged in middle area's supporting mechanism 120 near the proximal support
1211 position of secondary peak of mechanism 110.
Referring to Fig. 10, the utility model sixth embodiment provides a kind of segmented bare bracket 10e, the developing mark
140 are arranged on the second wavy struts 121 that middle area's supporting mechanism 120 is connect with the distal end supporting mechanism 130.
It is in a further embodiment, described that " setting is in middle area's supporting mechanism 120 and the distal end supporting mechanism
On second wavy struts 121 of 130 connections " it include that setting is supported in middle area's supporting mechanism 120 near the distal end
1211 position of the second trough of mechanism 130.
It is understood that it is above-mentioned second, third, the 5th and sixth embodiment in four kinds of schemes can be in conjunction with setting.
It will also be appreciated that the number of developing mark 140 can flexible setting as needed.At segmentation be arranged developing mark 140 with
So that 10 3 sections of the segmented bare bracket parts with different radial support power is accurately discharged into corresponding blood vessel, improves and make
Use effect.
In a further embodiment, the developing mark 140 is consolidated by way of punching press, hot pressing, suture or winding
It is scheduled on the wavy struts 200.It is understood that display label 140 shape can multiplicity, including it is dotted, Filamentous,
It is rectangular, round, fan-shaped etc..Wherein the wavy struts 200 include first wavy struts 113, the second wavy branch
Support member 121 and third wavy struts 131.
In a further embodiment, the material of formation/production developing mark includes gold, platinum, platinum-tungsten, palladium, platinum-
One of iridium, rhodium, tantalum are a variety of.
It is understood that wavy struts of the developing mark 140 in addition to junction is arranged in above by fixed form
On 200, it will can also need to be arranged alloy system of the position containing developing material of developing mark 140 in wavy struts 200
At the material of developing material and production wavy struts 200 is combined together and is made, developing mark 140 manufactured in this way is not easy
It falls off.
It is multiple also settable in the end of proximal support mechanism 110 and distal end supporting mechanism 130 referring to Fig. 2
Support point 160.Supporting point 160 is the round and smooth bulge-structure being arranged on the primary peak 1131 of the first wavy struts 113, this is convex
Playing structure can be solid construction, be also possible to center structure with holes.Setting quantity and interval are set according to actual needs, In
This is not construed as limiting.It is understood that the settable developing mark 140 on supporting point 160, for bracket end of developing during surgery
The position that portion is reached in the blood vessel.Developing mark 140 is that development is filled in the centre bore of supporting point 160 in the present embodiment
The developing mark 140 that material is formed.
Figure 11 is please referred to, the 7th embodiment of the utility model provides a kind of segmented bare bracket 10f, the tubular bracket
100 further include connection component 150, between the proximal support mechanism 110 and middle area's supporting mechanism 120, middle area's branch
Between support mechanism 120 and the distal end supporting mechanism 130 or two neighboring described second in middle area's supporting mechanism 120
It is connected between wavy struts 121 by the connection component 150.Preferably, the connection component 150 is along the tubular bracket
100 are circumferentially uniformly distributed.
In a further embodiment, the connection component 150 includes at least one connecting rod 151, " proximal end
Connected between supporting mechanism 110 and middle area's supporting mechanism 120 by the connection component 150 " it include the proximal support
The primary peak 1131 of first wavy struts 113 in mechanism 110 and/or the first trough 1133 are supported with the middle area
Pass through the connecting rod 151a connection between second wave bar 1212 of second wavy struts 121 in mechanism 120.It is excellent
It selects, the primary peak of the first wavy struts 113 in proximal support mechanism 110 in middle area's supporting mechanism 120
1131 and/or first trough 1133 and the second wavy struts 121 in proximal support mechanism 110 the second wave bar
1212 are connected by the connecting rod 151.As shown in figure 12, the first trough 1133a in proximal support mechanism 110
The second wave bar 1212a of second wavy struts 121a passes through the connecting rod 151a connection.One end of connecting rod 151 is connected
It connects on the second wave bar 1212, further hinders 151 both ends relative motion of connecting rod, reinforce fixing.
It is described " to pass through the company in middle area's supporting mechanism 120 between two neighboring second wavy struts 121
The connection of connected components 150 " includes the secondary peak 1211 of second wavy struts 121 in middle area's supporting mechanism 120
And/or second pass through connecting rod 151b between trough 1213 and the second wave bar 1212 of adjacent second wavy struts 121
Connection.As shown in figure 13, lead between the second trough 1213a and the second wave bar 1212 of adjacent second wavy struts 121
Cross connecting rod 151b connection.
It is described " to pass through the connection component 150 between middle area's supporting mechanism 120 and the distal end supporting mechanism 130
Connection " include second wavy struts 121 in middle area's supporting mechanism 120 the second wave bar 1212 with it is described remote
Pass through between the third wave crest 1311 and/or third trough 1313 of the third wavy struts 131 in the supporting mechanism 130 of end
Connecting rod 151c connection.As shown in figure 14, the third wave crest 1311 in the second wave bar 1212b and third wavy struts 131 is logical
Cross connecting rod 151c connection.
In a further embodiment, the connection component 150 includes at least two connecting rods 151.It is real the 7th
It applies in example, connection component 150 includes two connecting rods 151 (1- Figure 14 refering to fig. 1).It is understood that same connection component
It can be and be arranged in parallel between two connecting rods 151 in 150, not parallel can also be arranged, such as between two connecting rods 151
It is arranged in splayed or herringbone.It is preferably arranged in splayed or herringbone in the utility model, this arrangement mode
It can reinforce support force, in the case where connecting rod 151 of identical quantity, improve radial support power.Middle area's supporting mechanism 120
Connecting rod 151 is distributed in pairs, with the second wavy struts 121, the first wavy struts 113 or the wavy branch of third being connected
Support member 131 forms closed loop connection unit and is uniformly staggered, and ensure that good flexibility, scalability and bonding strength, and
Bending or it is flexible when so that bracket and waveform is maintained good form.
Two connecting rods 151 are arranged using splayed mode in the seventh embodiment.It will also be appreciated that axial
The distance between two adjacent connection components 150 are unequal, please refer to Figure 13, about 1212 company of being separately connected of the second wave bar
Extension bar 151b and connecting rod 151b2, and the connecting rod 151b2 other end connects on the secondary peak 1211 of distal end, two companies
The distance between extension bar 151b2 is greater than the distance between two connecting rod 151b.
The arrangement mode of connecting rod 1221 can be identical, and arrangement mode is identical to refer to that connecting rod 1221 is all
In splayed, herringbone or parallel arrangement.It is preferred that the connection component 122 being arranged between three adjacent circle wavy struts,
Projection in the axial direction is not overlapped or partly overlaps.
Figure 16-Figure 18 is please referred to, in a further embodiment, the distance between two neighboring described connecting rod 151 is extremely
It is less the distance between two neighboring first trough 1133, or the distance between at least two neighboring second trough 1213,
Or the distance between at least two neighboring third wave crest 1311.That is two adjacent 200 (labels of wavy struts
113,121 and 131) in, the part not connecting with connecting rod 151 is vacantly connectionless, so that in radial and axial upper two phases
Can there are biggish relative movement or the curved space between adjacent wavy struts 200, increase the flexibility of bracket.
In a further embodiment, the projection of the axially adjacent connection component 150 in the axial direction be not overlapped or
It partly overlaps.
Please refer to Figure 15-Figure 18, the utility model also provides in other embodiments connecting rod 151 in connection component 150
Different arrangement modes.
Please refer to Figure 15, a kind of segmented bare bracket 10g that the 8th embodiment of the utility model provides.Segmented bare bracket
In the connection component 150 of 10g one end of two connecting rods 150 be connected to the same wave crest (including primary peak, secondary peak or
Person's third wave crest) either on trough (including the first trough, the second trough or third trough), and two connecting rods 150 is another
One end be connected to axially adjacent and circumferentially-adjacent wave crest (including primary peak, secondary peak or third wave crest) or
On trough (including the first trough, the second trough or third trough).And splayed and herringbone company are alternatively arranged in axial direction
Connected components 150, such as connection component 150a are splayed, and connection component 150b is herringbone.Area supports in the present embodiment
It include that spaced two the second wavy struts 121 of setting in same row are superimposed intersection in mechanism 120, so that radial prop up
Support force is stronger.
Please refer to Figure 16, a kind of segmented bare bracket 10h that the 9th embodiment of the utility model provides.Segmented bare bracket
Two connecting rods 150, which use, in the connection component 150 of 10h is arranged in parallel, and the tendency direction of the connection component 150 in axial direction
On the contrary, the connection component 150c in such as Figure 16 is tilted to the right, connection component 150d is tilted to the left.And connection component 150c and company
Connected components 150d partly overlaps in the axial direction.
Please refer to Figure 17, a kind of segmented bare bracket 10i that the tenth embodiment of the utility model provides.Segmented bare bracket
The connection component 150e of the axially spaced-apart setting of 10h is herringbone, and between two connecting rods 151 in connection component 150e
It is spaced two secondary peaks.The connection component 150f of axially spaced-apart setting is splayed, and two companies in connection component 150f
Three the second troughs are spaced between extension bar 151.
Please refer to Figure 18, a kind of segmented bare bracket 10j that the 11st embodiment of the utility model provides.The naked branch of segmented
Frame 10j axis is alternatively arranged herringbone connection component 150g and splayed connection component 150h, and connection component 150g upwards
It partly overlaps in the axial direction with connection component 150h.
Please refer to Figure 19, a kind of segmented bare bracket 10k that the 12nd embodiment of the utility model provides.The naked branch of segmented
The proximal end of proximal support mechanism 110 is from distally proximally direction gradually extends expansion to outside the tubular bracket 100 in frame 10k.
So that mount proximal end is reached good adherent effect, avoid in the prior art intravascular stent implantation branch vessel after adherence quality not
It is good, lesion problem can not be completely covered.
In a further embodiment, the proximal end of the proximal support mechanism 110 extends expansion shape to outside tubular bracket 100
At enlarged portion 114, the angle β of the 114 outboard wheel profile of enlarged portion and bracket central axes meets: 0 ° of 30 ° >=β >.
Please refer to Figure 20, a kind of segmented bare bracket 10l that the 13rd embodiment of the utility model provides.The naked branch of segmented
The distal end of distal end supporting mechanism 130 in frame 10l is gradually extended to outside the tubular bracket 100 from proximate direction and is expanded
.So that rack far end is reached good adherent effect, avoids adherence quality after intravascular stent implantation branch vessel in the prior art
It is bad, lesion problem can not be completely covered.
In a further embodiment, the proximal end of the distal end supporting mechanism 130 extends expansion shape to outside tubular bracket 100
At enlarged portion 114a, the angle β 1 of the enlarged portion 114a outboard wheel profile and bracket central axes meets: 0 ° of 30 ° >=β, 1 >.
Please refer to Figure 21, a kind of segmented bare bracket 10m that the 14th embodiment of the utility model provides.The segmented
Bare bracket 10m is round table-like tubular structure.That is the radial diameter that segmented bare bracket 10m proximally arrives distal end gradually subtracts
It is small.
It is understood that the tubular bracket 100 in the utility model in segmented bare bracket 10 can be straight type tubulose
Structure, or proximal end supporting mechanism 110 can also be arranged to radial diameter proximally to distal end by round table-like tubular structure
It is gradually reduced, and middle area's supporting mechanism 120, distal end supporting mechanism 130 are isometrical.It is understood that can be according to the actual situation
The diameter that tubular bracket 100 is respectively segmented is adjusted, to adapt to the requirement of different blood vessel.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (21)
1. a kind of segmented bare bracket, which is characterized in that the segmented bare bracket includes multiple wavy branch by axially connecting
The tubular bracket that support member is formed, the wavy struts are the cyclic structure of setting in wave shape；The tubular bracket includes successively
The proximal support mechanism of connection, middle area's supporting mechanism and distal end supporting mechanism；The proximal support mechanism includes proximal face, institute
It is vertical with the axis of the proximal support mechanism to state proximal face.
2. segmented bare bracket as described in claim 1, which is characterized in that the wavy struts include the first wavy support
Part, the second wavy struts and third wavy struts；The proximal support mechanism includes multiple axially connected first wavy
Supporting element, middle area's supporting mechanism include multiple the second wavy struts being axially connected, and the distal end supporting mechanism includes
Multiple third wavy struts being axially connected.
3. segmented bare bracket as claimed in claim 2, which is characterized in that first wavy struts are by the first support
The end to end composition of unit, first support unit is by primary peak, the first trough and is connected to the primary peak and institute
The first wave bar stated between the first trough is constituted, and the primary peak is arranged compared to first trough close to proximal end；
Second wavy struts are formed by the second support unit is end to end, and second support unit is by the second wave
Peak, the second trough and the second wave bar being connected between the secondary peak and second trough are constituted, and second wave
Peak is arranged compared to second trough close to proximal end；
The third wavy struts are formed by third support unit is end to end, and the third support unit is by third wave
Peak, third trough and the third wave bar being connected between the third wave crest and the third trough are constituted, and the third wave
Peak is arranged compared to the third trough close to proximal end.
4. segmented bare bracket as claimed in claim 3, which is characterized in that the primary peak in first wavy struts
Connect with the first trough in axially adjacent and first wavy struts close to proximal end, so that the proximal support mechanism
Form fenestral fabric.
5. segmented bare bracket as claimed in claim 4, which is characterized in that two neighboring institute in first wavy struts
State the distance between primary peak equal to two neighboring first trough in axially adjacent first wavy struts it
Between distance.
6. segmented bare bracket as claimed in claim 3, which is characterized in that first wavy struts near proximal end
In primary peak it is in the same plane to constitute the proximal face.
7. segmented bare bracket as claimed in claim 3, which is characterized in that the third wave crest in the third wavy struts
Connect with the third trough in the axially adjacent and third wavy struts close to proximal end, so that the distal end supporting mechanism
Form fenestral fabric.
8. segmented bare bracket as claimed in claim 7, which is characterized in that two neighboring institute in the third wavy struts
State the distance between third wave crest equal to the two neighboring third trough in the axially adjacent third wavy struts it
Between distance.
9. segmented bare bracket as claimed in claim 3, which is characterized in that the segmented bare bracket further includes development mark
The first wavy struts that the proximal support mechanism is connect with middle area's supporting mechanism are arranged in note, the developing mark
On；Or it is arranged on the third wavy struts that the distal end supporting mechanism is connect with middle area's supporting mechanism；Or it sets
It sets on the second wavy struts that middle area's supporting mechanism is connect with the proximal support mechanism；Or setting is in described
On the second wavy struts that area's supporting mechanism is connect with the distal end supporting mechanism.
10. segmented bare bracket as claimed in claim 9, which is characterized in that described " developing mark is arranged in the proximal end branch
On the first wavy struts that support mechanism is connect with middle area's supporting mechanism " it include that the developing mark is arranged in the proximal end
First wave trough position of the supporting mechanism near middle area's supporting mechanism；
" being arranged on the third wavy struts that the distal end supporting mechanism is connect with middle area's supporting mechanism " includes
The distal end supporting mechanism is set near the third crest location of middle area's supporting mechanism；
" being arranged on the second wavy struts that middle area's supporting mechanism is connect with the proximal support mechanism " includes
Middle area's supporting mechanism is set near the secondary peak position of the proximal support mechanism；
" being arranged on the second wavy struts that middle area's supporting mechanism is connect with the distal end supporting mechanism " includes
Middle area's supporting mechanism is set near the second wave trough position of the distal end supporting mechanism.
11. segmented bare bracket as claimed in claim 10, which is characterized in that the developing mark passes through punching press, hot pressing, seam
It closes or the mode of winding is fixed on the wavy struts.
12. segmented bare bracket as claimed in claim 10, which is characterized in that the material of formation/production developing mark
Including one of gold, platinum, platinum-tungsten, palladium, platinum-iridium, rhodium, tantalum or a variety of.
13. segmented bare bracket as claimed in claim 3, which is characterized in that the tubular bracket further includes connection component, institute
State between proximal support mechanism and middle area's supporting mechanism, between middle area's supporting mechanism and the distal end supporting mechanism or
It is connected between two neighboring second wavy struts by the connection component in middle area's supporting mechanism described in person.
14. segmented bare bracket as claimed in claim 13, which is characterized in that the connection component includes at least one connection
Bar, described " being connected between proximal support mechanism and middle area's supporting mechanism by the connection component " includes the proximal end branch
The primary peak and/or the first trough of first wavy struts in support mechanism with it is described in middle area's supporting mechanism
It is connected between second wave bar of the second wavy struts by the connecting rod；
Described " being connected between two neighboring second wavy struts by the connection component in middle area's supporting mechanism " packet
Include the secondary peak and/or the second trough and adjacent described second of second wavy struts in middle area's supporting mechanism
It is connected between second wave bar of wavy struts by the connecting rod；
" being connected between middle area's supporting mechanism and the distal end supporting mechanism by the connection component " includes the middle area
Second wave bar of second wavy struts in supporting mechanism and the wavy branch of the third in the distal end supporting mechanism
It is connected between the third wave crest and/or third trough of support member by the connecting rod.
15. segmented bare bracket as claimed in claim 13, which is characterized in that the connection component is along the tubular bracket week
To being uniformly distributed.
16. segmented bare bracket as claimed in claim 14, which is characterized in that the connection component includes described at least two
Connecting rod.
17. segmented bare bracket as claimed in claim 16, which is characterized in that the two neighboring connecting rod in splayed or
Herringbone setting.
18. segmented bare bracket as claimed in claim 16, which is characterized in that the distance between two neighboring described connecting rod
The distance between the distance between at least two neighboring first trough, or at least two neighboring second trough, Huo Zhezhi
It is less the distance between two neighboring third wave crest.
19. segmented bare bracket as claimed in claim 13, which is characterized in that the axially adjacent connection component is in axial direction
On projection be not overlapped or partly overlap.
20. segmented bare bracket as claimed in claim 3, which is characterized in that the proximal end of the proximal support mechanism is by distal end
Proximally direction gradually extends expansion to outside the tubular bracket.
21. segmented bare bracket as claimed in claim 20, which is characterized in that the proximal end of the proximal support mechanism is to tubulose
Extend expansion outside bracket and forms enlarged portion, the angle β satisfaction of the enlarged portion outboard wheel profile and bracket central axes: 30 ° >=β >
0°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127376.9U CN209661888U (en) | 2018-07-16 | 2018-07-16 | A kind of segmented bare bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127376.9U CN209661888U (en) | 2018-07-16 | 2018-07-16 | A kind of segmented bare bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209661888U true CN209661888U (en) | 2019-11-22 |
Family
ID=68559762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821127376.9U Active CN209661888U (en) | 2018-07-16 | 2018-07-16 | A kind of segmented bare bracket |
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| Country | Link |
|---|---|
| CN (1) | CN209661888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288314A (en) * | 2021-01-06 | 2021-08-24 | 微创神通医疗科技（上海）有限公司 | Vascular implant and medical equipment |
| CN116725753A (en) * | 2023-05-25 | 2023-09-12 | 广东博迈医疗科技股份有限公司 | Vascular stent |
-
2018
- 2018-07-16 CN CN201821127376.9U patent/CN209661888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288314A (en) * | 2021-01-06 | 2021-08-24 | 微创神通医疗科技（上海）有限公司 | Vascular implant and medical equipment |
| CN116725753A (en) * | 2023-05-25 | 2023-09-12 | 广东博迈医疗科技股份有限公司 | Vascular stent |
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