CN206356503U - Turn - Google Patents
Turn Download PDFInfo
- Publication number
- CN206356503U CN206356503U CN201621292054.0U CN201621292054U CN206356503U CN 206356503 U CN206356503 U CN 206356503U CN 201621292054 U CN201621292054 U CN 201621292054U CN 206356503 U CN206356503 U CN 206356503U
- Authority
- CN
- China
- Prior art keywords
- coil
- turn
- silk
- silk chain
- chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model provides a kind of turn, the pitch of the silk chain of the one-level coil of the turn and the ratio of the diameter of the silk chain are more than 1, compared to existing pitch diameters than the turn equal to 1 for, turn hardness reduction of the present utility model, compliance is good, and then improves the consistency of filling.On the other hand, by the pitch diameters ratio by the pitch diameters of the inner side of the secondary coil of turn than being set smaller than outside, the three-dimensional shape of turn can be made more to fit aneurysmal knurl wall, further increases the consistency of aneurysm filling.In addition, the one-level coil of the turn includes first coil and the second coil, by being prepared as spring coil to include two sections of different coils of pitch diameters ratio and/or coiling direction, to improve the hardness and compliance of turn, the consistency of filling is further improved.
Description
Technical field
The utility model is related to technical field of medical instruments, more particularly to a kind of turn.
Background technology
Cerebral aneurysm is also known as intracranial aneurysm, drastically influence the physical and mental health of people.With image technology and intravascular
The development of biomaterial, intravascular Interventional Treatment has replaced surgery because it is lower than the risk of surgical operation therapy, wound is smaller
Clip operation turns into the prefered method for the treatment of intracranial aneurysm.
Embolism turn is to treat aneurysmal main method at present in aneurysm cavity, and the preparation of usual turn is with platinum
Tungsten alloy filament, using plug as the main shaft of chamber size in control turn, is fed silk rotation as feeding silk under the drive of plug
Turn, the angle between feeding silk and the axial direction of plug is right angle, constitute the pitch and the ratio of the diameter of silk chain of the silk chain of turn
It is worth (i.e. the pitch diameters ratio of silk chain) equal to 1, is finally prepared into the turn that density is homogeneous and hardness is homogeneous, for example
GDC the and Target turns of Boston Scientific companies, the MicroPlex turns of Microvention companies, this
The hardness of class turn is larger, is unfavorable for complying with aneurysm knurl wall, filling consistency relatively low.But for treatment aneurysm,
Turn is more soft more easily to comply with knurl wall, and the consistency of filling is bigger, more helpful to treating aneurysmal clinical effectiveness.
In addition, some turns are wrapped up using degradable high polymer material, for example some companies are in platinum-tungsten alloys bullet
Above spring coil, other one layer of degradable high polymer material is superscribed, undoubtedly the hardness of turn can be made further to increase, it is unfavorable
In turn, compliance is clogged in aneurysm.A kind of turn Axium of the surface of such as EV3 Company with PGLA ciliums, though
Right cilium has certain cause bolt, but is the increase in compliance filling in system transporting resistance and aneurysm.In addition, Boston
A kind of surface of Scientific companies carries the turn Matrix of PGLA coatings, and kernel is made up of platinum turn, accounts for total
The 70% of volume, its outer layer PGLA accounts for 30%；Also there is above-mentioned defect.As can be seen here, such turn has
One defect, is exactly that turn hardness is larger, poor compliance is unfavorable for fine and close filling.
The above mentioned problem existed for turn, those skilled in the art are studying always finds feasible solution.
Utility model content
The purpose of this utility model is to provide a kind of turn exist with the turn solved for aneurysm embolization hard
Degree is larger, the problem of causing poor compliance and not high filling compactness.
In order to solve the above technical problems, the utility model provides a kind of turn, one-level coil, institute are made by the winding of silk chain
The pitch diameters ratio of silk chain of turn is stated more than 1, pitch of the pitch diameters than the silk chain for the one-level coil and institute
State the ratio of the diameter of a chain.
Optionally, in described turn, the pitch diameters ratio is less than or equal to 3.
Optionally, in described turn, the one-level coil heat treatment is into secondary coil, and the secondary coil is whole
Body is in basket-style, pitch diameters ratio of the pitch diameters than the outside less than the secondary coil of the inner side of the secondary coil.
Optionally, in described turn, the one-level coil includes first coil and connected with the first coil
The second coil connect, the coiling direction of the silk chain of the first coil is consistent and/or coiling side of silk chain of second coil
To consistent.
Optionally, in described turn, pitch diameters ratio and second coil of the silk chain of the first coil
Silk chain pitch diameters than identical or different, and the coiling direction of the silk chain of the first coil and the silk of second coil
The coiling direction of chain is identical or different.
Optionally, in described turn, a diameter of 0.00001 inch~0.008 inch of the silk chain.
In turn provided by the utility model, pitch and the silk of the silk chain of the one-level coil of the turn
The ratio of the diameter of chain be more than 1, compared to existing pitch diameters than the turn equal to 1 for, turn of the present utility model is hard
Degree reduction, compliance is good, and then improves the consistency of filling.
On the other hand, the pitch by the pitch diameters of the inner side of the secondary coil of turn than being set smaller than outside is passed through
Diameter ratio, can make the three-dimensional shape of turn more fit aneurysmal knurl wall, further increase the densification of aneurysm filling
Degree.
In addition, the one-level coil of the turn includes first coil and the second coil, by the way that spring coil is prepared as
Including two sections of different coils of pitch diameters ratio and/or coiling direction, to improve the hardness and compliance of turn, further
Improve the consistency of filling.
Brief description of the drawings
Fig. 1 is the structural representation of coil delivery system in the utility model embodiment one；
Fig. 2 is the structural representation of turn in the utility model embodiment one；
Fig. 3 is another structural representation of turn in the utility model embodiment one；
Fig. 4 is the flow chart of the preparation method of turn in the utility model embodiment two；
Fig. 4 a- Fig. 4 d are the schematic diagrames for the turn that different structure is prepared in the utility model embodiment two；
When Fig. 5 a are that predetermined shape is " Ω " font in the utility model, the structural representation of turn；
When Fig. 5 b are that predetermined shape is " 8 " font in the utility model, the structural representation of turn；
When Fig. 5 c are that predetermined shape is screw type in the utility model, the structural representation of turn；
Fig. 6 is the effect diagram of turn aneurysm embolization in the utility model embodiment one or two.
In figure：Turn 1；Ionizing feature 2；Push rod 3；Aneurysm 5；Plug 6；Silk chain 7；The anti-silk 10 that untwists；First Line
Circle 11；Second coil 12；Subcoil 100.
Embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes turn be described in further detail.According to
Illustrate below and claims, advantages and features of the present utility model will become apparent from.It should be noted that, accompanying drawing is using very
Simplified form and use non-accurately ratio, only to it is convenient, lucidly aid in illustrating the mesh of the utility model embodiment
's.
Before the utility model is illustrated, the cardinal principle and thought of the utility model are first illustrated herein：For logical
The angle crossed between feeding silk and the axial direction of plug is right angle, constitutes the pitch diameters ratio of silk chain of turn equal to 1 preparation
Into turn, hardness is larger, causes poor compliance, the problem of being unfavorable for fine and close filling.In view of the above-mentioned problems, the utility model
Set about from the structure design for improving turn, mainly from the one-level coil of turn is prepared (referring to figs. 2 and 3 first coil 11
And/or second coil 12) in silk chain density and the aspect of coiling direction two carry out, by the pitch diameters ratio for changing silk chain
And/or turn hardness prepared by coiling direction is significantly reduced, and improves compliance and the consistency of filling.
Embodiment one
Fig. 1 is refer to, it is the structural representation of the utility model coil delivery system, as shown in figure 1, the spring
Circle induction system includes：Turn 1, push rod 3 and ionizing feature 2, one end of the ionizing feature 2 and the turn 1
Near-end is connected, and the other end of the ionizing feature 2 is connected with the distal end of the push rod 3；Wherein, as shown in Fig. 2 the spring
Circle 1 includes one-level coil and the anti-silk 10 that untwists, it is preferred that explained in Fig. 2 so that one-level coil only includes first coil 11 as an example
State, the anti-silk 10 that untwists is axially extending along the first coil 11, and the two ends of the anti-silk 10 that untwists are individually fixed in
On the two ends of the first coil 11, the pitch of the silk chain 7 of the one-level coil of the turn and the ratio of the diameter of the silk chain 7
Value (being subsequently referred to as pitch diameters ratio) is more than 1.It is preferred that, the pitch diameters of the turn are less than or equal to 3 more than 1 than taking
Numerical value.The pitch refer to the adjacent two circles silk chains of one-level coil between same central point radially axially away from
From.
To reduce the hardness of turn 1, the utility model is mainly from the coil of silk chain coiling (being first coil 11 in Fig. 2)
Structure design set about, because the pitch diameters ratio of the silk chain of turn in the prior art is equal to 1 so that silk chain is arranged in turn
Cloth is more close, and hardness is larger, and based on the point, the utility model passes through (under the premise of silk chain diameter is specific) increase turn
In pitch between adjacent two chains, the arrangement density of silk chain in turn is reduced, so as to reduce the hardness of turn.
In the present embodiment, the one ends wound of the anti-silk 10 that untwists is in the 2nd circle of one end of the first coil 11 or the 3rd
Enclose on silk chain 7, formation " knob-like " does not loosen knot and (do not loosen the path of knot formation and wind the 2nd or the 3rd line for the anti-silk that untwists
Knotted after the circle of circle at least one), the other end of the anti-silk 10 that untwists is wound in the 2nd circle that the other end of the first coil 11 rises
On silk chain 7, also form " knob-like " and do not loosen knot, and resist the axially in parallel of untwist silk 10 and the first coil 11.Using anti-
Stretching between the coil of the silk that untwists resistance first coil, does not loosen knot and plays the fixed effect of traction, it is to avoid turn is by bullet
The deformation that spring coil induction system is conveyed and process of pulling back is produced by stress.Because the application is not related to changing for the anti-silk that untwists
Enter, do not make excessive repeat herein.
Further, in the present embodiment also by by turn be prepared as including multistage have different pitch diameters than line
Circle, to reduce the hardness of turn.Wherein, multistage coil is sequentially connected with, and resists axial direction of the two ends for the silk that untwists along multistage coil to prolong
Stretch, and the two ends of the anti-silk that untwists are individually fixed in the line that the coil and final stage coil of the starting of first paragraph coil terminate
On circle.
Specifically, Fig. 3 is the schematic diagram of another structure of turn in the present embodiment.As shown in figure 3, the turn 1
One-level coil in addition to including first coil 11, in addition to the second coil 12 being connected with the first coil 11 is described
The pitch diameters of the silk chain of first coil 11 than different, are preferably, institute than the pitch diameters from the silk chain of second coil 12
State arrangement density (i.e. described second coil 12 small compared with the arrangement density of the silk chain 7 of first coil 11 of the silk chain 7 of the second coil 12
Silk chain pitch D2 be more than the first coil 11 silk chain pitch D1).Certainly, the turn 1 that prepared by the utility model may be used also
Including other coils, first coil 11, the second coil 12 are not limited to, tertiary coil ... N coils, N ＞ 3 can also be included
(i.e. turn may include multistage coil).
In the present embodiment, on the basis of the pitch diameters ratio reduction turn hardness by changing silk chain, also preparing
The coiling set direction of silk chain makes improvements during turn, further to reduce the hardness of turn.Silk chain coiling direction
The improved principle improved for the hardness of turn is, the silk chain of coiling in the same direction originally is become into the incorgruous coiling in part, interior
Stress is cancelled out each other.
In order to be better understood from the structure of turn in the present embodiment, two sections of coils (i.e. first are included with turn below
Coil and the second coil) exemplified by, enumerate from spring after improvement in terms of the pitch diameters ratio of silk chain and/or the coiling direction two of silk chain
The structure of circle is as follows：
The first structure, the pitch diameters of the silk chain of the first coil are more straight than with the pitch of the silk chain of second coil
Footpath is than identical, and the coiling direction of the silk chain of the first coil is different from the coiling direction of the silk chain of second coil, i.e.,
Angle between the coiling direction of the silk chain of the first coil and horizontal direction be not equal to the silk chain of second coil around
Angle between direction processed and horizontal direction.
Second of structure, the pitch diameters of the silk chain of the first coil are more straight than with the pitch of the silk chain of second coil
Footpath is than identical, and the coiling direction of the silk chain of the first coil is identical with the coiling direction of the silk chain of second coil, i.e.,
Angle between the coiling direction of the silk chain of the first coil and horizontal direction is equal to the coiling of the silk chain of second coil
Angle between direction and horizontal direction.
The third structure, the pitch diameters of the silk chain of the first coil are more straight than with the pitch of the silk chain of second coil
Footpath is than difference, and the coiling direction of the silk chain of the first coil is different from the coiling direction of the silk chain of second coil.Such as
Shown in Fig. 3, the coiling direction of the silk chain of second coil and the coiling of the silk chain of the first coil are in opposite direction, i.e., and first
Between the coiling direction of the silk chain of angle and the second coil between the coiling direction of the silk chain of coil and horizontal plane and horizontal plane
Angle it is complementary.
4th kind of structure, the pitch diameters of the silk chain of the first coil are more straight than with the pitch of the silk chain of second coil
Footpath is than difference, and the coiling direction of the silk chain of the first coil is identical with the coiling direction of the silk chain of second coil.
In the present embodiment, according to demand can by coil design include multistage coil, multistage coil can silk chain section
Coiling direction away from diameter ratio and/or silk chain can make appropriate change, to reduce the hardness of turn.
Fig. 6 is refer to, it is the aneurysmal effect diagram of Coil embolization.As shown in fig. 6, spring of the present utility model
Enclosing the knurl chamber of aneurysm embolization 5 has preferably filling consistency, so that preferably block blood flow flows into aneurysm 5, lures simultaneously
Send out thrombosis in aneurysm.It is understood that the turn can be also used for the treatment of other knurls, it is not limited to dynamic
Arteries and veins knurl.
Embodiment two
Accordingly, the present embodiment additionally provides a kind of preparation method of turn.It is detailed below with reference to Fig. 4 and Fig. 4 a- Fig. 4 d
Describe the preparation method of turn described in bright the present embodiment in detail.
First, there is provided at least one chain 7 by execution step S1；Wherein, a diameter of 0.00001 inch of the silk chain 7~
0.008 inch of platinum-tungsten alloys silk chain, the present embodiment is preferably 0.0008 inch~0.004 inch of platinum-tungsten alloys silk chain.
Then, step S2 is performed, the feed speed and winding angle of the silk chain 7 is set, the winding angle is described
Angle between silk chain 7 and the axial direction of plug 6；
Then, step S3 is performed, the silk chain 7 is wrapped on plug 6 one-level coil is made, the silk of the one-level coil
The pitch of chain and the ratio of the diameter of the silk chain 7 are more than 1.
Then, step S4 is performed, the one-level coil on mould is subjected to heat treatment into two grades according to predetermined shape
Coil.Wherein, the pitch diameters of the secondary coil after heat treatment diametrically are than different, the inner side of the secondary coil
Silk chain pitch diameters ratio of the pitch diameters than the silk chain in the outside less than secondary coil.Wherein, secondary coil is along mould
Shape can form the camber line of various different angles and length, the side in the center of circle of circle where the camber line is inner side.Due to
Secondary coil be by one-level coil carry out heat treatment after obtain, therefore adjacent two chains of secondary coil pitch in different footpaths
Different to position, such as adjacent two chains constitute two fan-shaped sides, then radially, the pitch of adjacent two chains gradually increases
Greatly, accordingly, pitch of the pitch diameters of the silk chain of the inner side of the secondary coil than the silk chain in the outside less than secondary coil
Diameter ratio.
Wherein, when the turn of preparation has two sections of coil (i.e. coils 12 of first coil 11 and second), by the silk
Chain 7, which is wrapped on plug 6, to be made one-level coil and includes：
Part silk chain 7 is wrapped on plug 6 first coil 11 is made；
Adjust the feed speed and/or winding angle of silk chain 7；
Remaining part silk chain 7 is wrapped in the second coil 12 for being made and being connected with the first coil 11 on plug 6.
When preparing the turn with multistage coil, the coiling of every section of coil can be carried out using same silk chain 7, in the last period
After coil is made, it is only necessary to after the parameter (i.e. feed speed and/or winding angle) of regulation processing technology, you can then previous
Silk chain after section coil proceeds the coiling of subsequent coil, and all sections can will be made after all sections of coils prepare end
Coil carries out heat treatment according to predetermined shape on mould.
Specifically, the pitch diameters ratio of the silk chain of turn prepared by the feeding rate correspondence of the silk chain, the winding
The coiling direction of the silk chain of angle correspondence turn, the winding angle of silk chain when preparing turn by adjustment, change prepares bullet
The coiling direction of the silk chain of spring coil, to meet the demand for preparing the turn that there are different coiling directions with multistage.Wherein, institute
It can be acute angle, right angle or obtuse angle to state winding angle θ.Fig. 4 a are refer to, it is the turn prepared when winding angle θ is right angle
Structural representation；Fig. 4 b are refer to, it is the structural representation of the turn prepared when winding angle θ is acute angle；It refer to figure
4c, it is the structural representation of the turn prepared when winding angle is obtuse angle；Fig. 4 d are refer to, it is winding angle by acute angle
It is adjusted in the structural representation of turn prepared during obtuse angle, figure, winding angle θ is adjusted to obtuse angle θ 2 by acute angle theta 1.
Preferably, according to the actual requirements, by preparing the length of every section of coil when preparing turn, reasonable distribution is not
With the volume occupation rate of hardness coil.The turn is sequentially connected with by multiple subcoils and constituted, and the predetermined shape is son
The shape of coil.The secondary coil of the turn is in integrally basket-style or screw type.Wherein, the secondary coil is in integrally basket
During basket type (global shape of the spring coil as prepared), predetermined shape is " Ω " font or " 8 " font, and two neighboring son
Angle between two planes that coil is constituted is 60 °~120 °.The basket-style is after the thermally treated sizing of secondary coil
Hexahedron structure, such as Fig. 5 a or 5b, it is generally vertical between any two face in the state of not by external force, but each face
Area can be different, so endless totally enclosed hexahedron can be formed；In addition, in order to adapt to aneurysmal shape, turn
Be released the hexahedron formed afterwards also can slightly change its internal all angles with knurl body, form not advising closer to spheroid
Then polyhedron.During the overall helically type of the secondary coil, predetermined shape is screw type, and two neighboring subcoil constitute two
Angle between individual plane is 0 ° or 180 °.
In order to understand the process for preparing predetermined shape for basket-style or the turn of screw type, with reference to Fig. 5 a, Fig. 5 b
And Fig. 5 c citings are described, the shape (i.e. predetermined shape) of subcoil 100 refers to the shape in dotted line frame in figure.
The method for preparing the turn of the subcoil 100 with " Ω " font or " 8 " font is as follows：
(1) the coiling one-level coil on a diameter of 0.0001 inch~0.1 inch, preferably 0.0075 inch of plug 6
(Fig. 4 a-4d), the close coiling of silk chain, adjacent two chain pitch are 0.003 inch, and winding angle is 85 °~90 °, one-level coil
The silk chain for being preferably 0.0008 inch~0.004 inch by diameter is made, it is more preferred to 0.002 inch~0.0035 inch
Silk chain, be 0.003 inch such as from the diameter of silk chain；Here one-level coil include embodiment one in first coil and/
Or second coil.
(2) by around the one-level coil (Fig. 4 a-4d) made according to pre-set shape " Ω " (such as Fig. 5 a) or " 8 "
(such as Fig. 5 b), carries out heat treatment on mould；
(3) the selected mould to be fabricated to " Ω " or " 8 ", for the angle between the two neighboring sub-line ring mould of coiling
For 80 °；
(4) two ends that the anti-silk that untwists for resisting turn is separately fixed at into " Ω " open loop structure or " 8 " closed loop configuration are risen
The 2nd circle or the 3rd circle silk chain on, fixed mode or else reversible after at least 1 circle knots (such as Fig. 2) first to wind；
(5) it is 0.012 inch by outside dimension, material is 304V stainless steels, outer surface is poly- four covered with insulating materials
The push rod of PVF (PTFE), by being connected (such as Fig. 1) in ionizing feature 2 and turn, wherein, reserved on ionizing feature
The length in electrolytic separation region is 0.1mm.
The method for preparing the turn of screw type is as follows：
(1) the coiling one-level on a diameter of 0.0001 inch~0.1 inch, preferably 0.0075 inch of metal mandrel 6
Coil (Fig. 4 a-4d), from the close coiling of a diameter of 0.00125 inch of silk chain, one-level coil grading coiling, the winding of first paragraph
Angle is 80 ° (see Fig. 4 b), and the winding angle of second segment is 90 ° (see Fig. 4 a), and the 3rd section of winding angle is for 100 ° (see figure
4c), customized as needed per segment length；
(2), according to pre-set shape " screw type ", it will be carried out around the one-level coil made on mould at sizing
Reason；
(3) the selected mould to be fabricated to screw type, the mould diameter of coiling first coil and the second coil or afterwards
The mould diameter of other all subcoils is identical；
(4) the selected mould to be fabricated to " screw type ", for the angle between the two neighboring sub-line ring mould of coiling
For 0 °；
(5) the 2nd circle or the 3rd circle that the two ends that the anti-silk that untwists for resisting turn is separately fixed at into spiral-shaped structure are risen can
Degrade on silk, fixed mode knots to be or else reversible after the first circle of winding 3；
(6) it is 0.010 inch by outside dimension, material is 304V stainless steels, outer surface covering insulating material is polytetrafluoro
The push rod of ethene (PTFE), by being connected (such as Fig. 1) in ionizing feature and turn, wherein, electricity is reserved on ionizing feature
The length for solving separated region is 0.06mm.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
To sum up, in turn provided by the utility model, the pitch of the silk chain of the one-level coil of the turn with
The ratio of the diameter of the silk chain be more than 1, compared to existing pitch diameters than the turn equal to 1 for, bullet of the present utility model
Spring coil hardness is reduced, and compliance is good, and then improves the consistency of filling.On the other hand, by by the secondary coil of turn
Inner side pitch diameters ratio of the pitch diameters than being set smaller than outside, the three-dimensional shape of turn can be made more to fit artery
The knurl wall of knurl, further increases the consistency of aneurysm filling.In addition, the one-level coil of the turn includes first coil
With the second coil, by being prepared as spring coil to include two sections of different coils of pitch diameters ratio and/or coiling direction, to change
The hardness and compliance of kind turn, further increase the consistency of filling.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the utility model scope
Calmly, the those of ordinary skill in the utility model field does according to the disclosure above content any change, modification, belonging to right will
Seek the protection domain of book.
Claims (6)
1. a kind of turn, is made one-level coil, it is characterised in that the pitch diameters of the silk chain of the turn by the winding of silk chain
Than more than 1, pitch and the ratio of the diameter of the silk chain of the pitch diameters than the silk chain for the one-level coil.
2. turn as claimed in claim 1, it is characterised in that the pitch diameters ratio is less than or equal to 3.
3. turn as claimed in claim 1 or 2, it is characterised in that the one-level coil heat treatment is into secondary coil, institute
It is in integrally basket-style to state secondary coil, and the pitch diameters of the inner side of the secondary coil are than the outside less than the secondary coil
Pitch diameters ratio.
4. turn as claimed in claim 1 or 2, it is characterised in that the one-level coil include first coil and with institute
The second coil of first coil connection is stated, the coiling direction of the silk chain of the first coil is consistent and/or second coil
The coiling direction of silk chain is consistent.
5. turn as claimed in claim 4, it is characterised in that the pitch diameters ratio of the silk chain of the first coil with it is described
The pitch diameters of the silk chain of second coil are than identical or different, and the coiling direction of the silk chain of the first coil and described second
The coiling direction of the silk chain of coil is identical or different.
6. turn as claimed in claim 1 or 2, it is characterised in that a diameter of 0.00001 inch of the silk chain~
0.008 inch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292054.0U CN206356503U (en) | 2016-11-29 | 2016-11-29 | Turn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292054.0U CN206356503U (en) | 2016-11-29 | 2016-11-29 | Turn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356503U true CN206356503U (en) | 2017-07-28 |
Family
ID=59372201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621292054.0U Active CN206356503U (en) | 2016-11-29 | 2016-11-29 | Turn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206356503U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374690A (en) * | 2017-08-16 | 2017-11-24 | 微创神通医疗科技（上海）有限公司 | Embolic coil conveying device and preparation method thereof |
| CN107442707A (en) * | 2016-11-29 | 2017-12-08 | 微创神通医疗科技（上海）有限公司 | Turn and preparation method thereof |
| CN107951525A (en) * | 2017-12-11 | 2018-04-24 | 山东赛克赛斯生物科技有限公司 | Mechanical kickoff mechanism and machinery free system |
-
2016
- 2016-11-29 CN CN201621292054.0U patent/CN206356503U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442707A (en) * | 2016-11-29 | 2017-12-08 | 微创神通医疗科技（上海）有限公司 | Turn and preparation method thereof |
| CN107442707B (en) * | 2016-11-29 | 2020-05-01 | 微创神通医疗科技（上海）有限公司 | Spring ring and preparation method thereof |
| CN107374690A (en) * | 2017-08-16 | 2017-11-24 | 微创神通医疗科技（上海）有限公司 | Embolic coil conveying device and preparation method thereof |
| CN107951525A (en) * | 2017-12-11 | 2018-04-24 | 山东赛克赛斯生物科技有限公司 | Mechanical kickoff mechanism and machinery free system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206356503U (en) | Turn | |
| JP5580737B2 (en) | Twisted primary wind coil for vascular treatment, method for forming the same, and secondary wind coil | |
| CN205515056U (en) | Support | |
| DE69937740T2 (en) | THREE-DIMENSIONAL, FRICTION-FREE VASCULAR SPIRAL EQUIPMENT AND HERS TREATMENT PROCESS | |
| CN101933850B (en) | Stopper and manufacturing method thereof | |
| CA2538290C (en) | Embolic coil with twisted wire | |
| CN107442707A (en) | Turn and preparation method thereof | |
| CA2691748A1 (en) | Braided occlusion device having repeating expanded volume segments separated by articulation segments | |
| CN108814669B (en) | Embolization device and its spring ring | |
| CN107028636A (en) | The turn and its manufacture method of intracranial aneurysm embolization | |
| JP5565847B1 (en) | Medical guidewire | |
| JP5735159B1 (en) | Medical guidewire | |
| CN201814682U (en) | Occluder | |
| US20240016498A1 (en) | Embolic agent and preparation method therefor | |
| WO2022267904A1 (en) | Medical implant and manufacturing method therefor | |
| CN106880429B (en) | A kind of spiral intravascular stent | |
| WO2021046753A1 (en) | Atrial shunt decompression device, weaving device and weaving method thereof | |
| CN115702842A (en) | Medical support | |
| CN209172403U (en) | A kind of unicast peak shape variable diameter two dimension embolism spring ring | |
| CN106068103B (en) | Vaso-occlusive coil with curved section | |
| WO2023116326A1 (en) | Embolus and preparation method therefor | |
| CN204765883U (en) | Metal cable | |
| Yoshino et al. | Preventing spontaneous thrombosis of experimental sidewall aneurysms: the oblique cut | |
| CN209136753U (en) | A kind of unicast paddy deformation diameter two dimension embolism spring ring | |
| CN209713024U (en) | A kind of three wave crest deformation diameter two dimension embolism spring ring of double wave paddy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |