CN105266936B - The accurate implant system of support of branch vessel - Google Patents
The accurate implant system of support of branch vessel Download PDFInfo
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- CN105266936B CN105266936B CN201410294368.3A CN201410294368A CN105266936B CN 105266936 B CN105266936 B CN 105266936B CN 201410294368 A CN201410294368 A CN 201410294368A CN 105266936 B CN105266936 B CN 105266936B
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- support
- implant system
- branch vessel
- lead sheath
- branch
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of accurate implant system of the support of branch vessel, branch vessel includes interconnected main blood vessel (101) and the branch vessel (102) connected with the main blood vessel, the accurate implant system of support includes releasedly storage support (104) and conveys the stent conveying device (103) of the support, the guiding wire (105) of branch vessel is extended to from main blood vessel, and the positioning guide wire (106) extended along main blood vessel, the stent conveying device is movably set in outside guiding wire, spacing hole (1061) is provided with its medium-height trestle, positioning guide wire is slidably disposed through the spacing hole.The opening of branch vessel can be stuck in because branch's seal wire enters after branch vessel in support, so as to the locating support on axial and circumferential, so that support accurately can be implanted into branch vessel, especially accurately fit in opening portion, thus with branch vessel to be bonded effect good.
Description
Technical field
The present invention relates to the stenter to implant field of branch vessel, in particular it relates to which a kind of support of branch vessel is accurately planted
Enter system.
Background technology
With the arriving of aging society, the application of intravascular stent of blocking blood vessel occurs for radial support increasingly
It is more.Wherein, species, structure and the implantation with implantation position and the different blood vessel support for the treatment of disease are also different.Mesh
Before, widely used support includes bare bracket, coating bracket and overlay film frame, the expansion mode of support can be divided into ball expand mode and
From swollen mode.And implantation is mostly reinflated after the support after compression is guided to implantation position by seal wire.Wherein, ball expands
Expansion mode is by the way that in the spherical air bag for be preset at internal stent, topping up (gas) is to withdraw from after support is expanded, from swollen
Expansion mode be by will storage withdrawn by the lead sheath of compressed stent after, flicked by the elastic construction of support itself.Wherein without
By being that ball expands or implantation from swollen mode, the problem of being accurately positioned and adapt to a variety of blood vessel structures of support all be present.Such as
In the opening portion of the branched vessel structure with branch vessel, not only the structure of intravascular stent in itself needs particular design, and
Implantation, which is also required to accordingly improve, can meet accurately to be implanted into the purpose of support in such position.This is due to branch vessel
Coupling part with main blood vessel is that the structure of opening portion has that the circumferential structure of arc-shaped transition structure and blood vessel is also different, and
The problem of coupling part structure for being difficult in adapt to branched vessel structure be present in this body structure of intravascular stent of the prior art, and
When corresponding implantation also has reply branch vessel the problem of axial direction, circumferentially positioned low precision, so as to cause support to plant
Enter it is rear ineffective in addition again occur blood vessel blockage the problem of.
The content of the invention
It is an object of the invention to provide a kind of accurate implant system of the support of branch vessel, the accurate implant system energy of the support
Enough so that support is accurately implanted in branch vessel.
To achieve these goals, the present invention provides a kind of accurate implant system of the support of branch vessel, branch's blood
Pipe includes interconnected main blood vessel and the branch vessel connected with the main blood vessel, and the accurate implant system of support includes releasable
Ground storage support and convey the stent conveying device of the support, extended to from the main blood vessel branch vessel guiding wire,
And the positioning guide wire along the main blood vessel extension, the stent conveying device are movably set in outside the guiding wire,
Spacing hole is provided with the support, the positioning guide wire is slidably disposed through the spacing hole.
Preferably, the spacing hole is formed by the spacing ring connected on the bracket.
Preferably, what the stent conveying device included to move along seal wire lead core, slideably it is set in and described leads core
Outer plunger tip, the first lead sheath of the storage support front end and the second lead sheath for storing the back-end support, first lead sheath
Led described in being connected on core and rear end opens, the second lead sheath front end opens, and the plunger tip is slideably set in described
Second lead sheath is interior and supports the rear end of the support.
Preferably, the front end of first lead sheath, which is closed and is connected to, described leads core.
Preferably, the front end of first lead sheath is formed as the target seeker with streamlined structure.
Preferably, the accurate implant system of the support also includes multiple control devices, second lead sheath, the plunger tip and
The core of leading extends back and is connected to the respective control device.
Preferably, the front end size of second lead sheath is less than the rear end size of first lead sheath and seamlessly transitted.
Preferably, the support has main part and is formed as positioned at the opening portion of the main part rear end, the main part
Straight tube structure, the opening portion are formed as horn-type structure.
Preferably, the support has main part and is formed as positioned at the opening portion of the main part rear end, the main part
Straight tube structure, the plane of the opening of the opening portion are obliquely installed relative to the axis of the main part.
Preferably, the spacing hole is formed in the rear end of the main part or opening portion.
Pass through above-mentioned technical proposal, the opening of branch vessel can be stuck in because branch's seal wire enters after branch vessel in support,
So as to the locating support on axial and circumferential, so that support accurately can be implanted into branch vessel, it is especially smart
Really fit in opening portion, thus with branch vessel to be bonded effect good.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is that the support for the branch vessel with horn-type opening that the preferred embodiment for the present invention provides accurately is implanted into and is
Structural representation of the system in implantation process；
Fig. 2 is the mplifying structure schematic diagram in A portions in Fig. 1；
Fig. 3 is knot of the stenter to implant with angular cut in branch vessel employed in the preferred embodiment for the present invention
Structure schematic diagram.
Description of reference numerals
The 101 main branch vessels of blood vessel 102
The support of 103 stent conveying device 104
The positioning guide wire of 105 guiding wire 106
107 lead the plunger tip of core 108
The lead sheath of 109 first lead sheath 110 second
The opening portion of 1041 main part 1042
The target seeker of 1061 spacing hole 1091
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality such as " inside and outside " used typically refers to homologue
Body profile it is inner and outer, " remote, near " is then far and near position of certain part relative to another part, and " forward and backward " is typically then with branch
What frame and associated components defined based on the implantation direction along blood vessel, i.e. corresponding component moves forward into blood vessel, bleeding of drawing back
Pipe.These nouns of locality are served only for the explanation present invention, are not intended to limit the invention.
As shown in figure 1, in intravascular stent implant surgery, can usually run into the branch vessel with branch, i.e. this point
Branch vessel includes main blood vessel 101 and the branch vessel 102 connected with the main blood vessel 101, i.e. branch vessel 102 are connected to main blood vessel
In 101 side wall, because the join domain between branch vessel 102 and main blood vessel 101 has arc-shaped transition so that branch vessel 102
The size of opening of close main blood vessel 101 abducent flared structure is presented, so if being implanted into existing straight barrel type
Support, support will be prevented, from fully fitting in vascular wall, will so to cause the support in the region in the opening of branch vessel 102
Thrombus is formed with vascular wall so as to cause vascular lesion.Therefore, it is necessary to use a kind of horn opening support, the opening of the support
Be formed as outwards open tubaeform, so as to fit in the opening of the branch vessel 102 of branch vessel such as well
Cross region.In addition, when having angle of inclination between branch vessel 102 and main blood vessel 101, if still using straight barrel type support,
Support positioning after, between open rearward end will be extended partially into main blood vessel 101, can so cause the blocking to main blood vessel 101,
Therefore a kind of support with angular cut is needed can adapt to inclined branch vessel 102.However, either tubaeform or beveling
The opening of mouth structure, the problem of needing the circumferential direction of support being accurately positioned will be all faced, otherwise will not adapt to branch vessel
The shape of 102 opening in circumferential direction, causes support effect poor.Therefore, in implantation process, to the circumferential direction of support
Control with axial location is respectively provided with high requirement.Accordingly, as shown in figure 1, the present invention provides a kind of branch for branch vessel
The accurate implant system of frame and method, it can effectively ensure that the axial location of support and being accurately positioned for circumferential direction.
Wherein, as shown in figure 1, in one embodiment, it is necessary to which the support 104 of implantation includes main part 1041 and is located at
The opening portion 1042 of the rear end of main part 1041, main part 1041 are formed as straight tube structure to adapt to the blood vessel of respective branch blood vessel
Wall, and opening portion 1042 is formed as outwards open flared structure to adapt to the opening of branch vessel, specifically, opening portion
1042 are formed as outwards open arc-shaped transition structure, to adapt to the shape of branch vessel opening.The wherein flared structure
Concrete structure is needed to depend on the structure for being implanted into the opening of branch vessel 202, and the protection model of the present invention is all fallen within for various modifications
In enclosing.
In addition, except it is this with the support of horn opening structure in addition to, as shown in figure 3, in another middle embodiment, branch
The opening portion 1042 of frame 104 can be formed as chamferring mouth structure, i.e. the plane of the opening of opening portion 1042 is relative to main part 1041
Axis be obliquely installed.So, the angular cut formula support can accurately adapt to the opening for the branch vessel being obliquely installed, without such as
Charged into as shown in dotted line in main blood vessel and cause main blood vessel blockage.And the reason for this angular cut support can be used, equally
Support being accurately positioned in circumferential direction and axial location can be realized by having benefited from the accurate implant system of support provided by the invention.
So that the present invention is more applicable for the stenter to implant of branch vessel.Tubaeform it can also wherein be opened as shown in Figure 1
The plane of the opening of oral area 1042 is again formed as beveling form, should also fall in protection scope of the present invention for such embodiment
In.
In order to guarantee the support 104 being accurately sent to branch vessel, inventive conception is that utilizing branch's blood
The special construction of pipe, on the basis of the guiding wire 105 of guide support conveying device 103, increase positioning guide wire 106, with logical
Cross positioning guide wire 106 and realize positioning to support on axial location and circumferential direction.Specifically, positioning guide wire 106 and guiding
Seal wire 105 will be from through different path extractions, as shown in figure 1, guiding wire 105 is from main blood vessel after main blood vessel 101 is introduced
Branch vessel 102 is extended to after 101 introducings, and positioning guide wire 106 then extends along main blood vessel 101 always, and implant system also wraps
The spacing hole 1061 for being fixedly installed relative to support 104 and being slidably disposed through for positioning guide wire 106 is included, specifically, such as Fig. 2 institutes
Show, the spacing hole 1061 is arranged on support 104.So, the support 104 and stent conveying device moved along guiding wire 105
103 after branch vessel 102 is entered, and due to the presence of positioning guide wire 106, positioning guide wire 106 can be stuck in the entrance of branch vessel 102
Place, therefore the position of the place support 104 of spacing hole 1061 will be unable to enter branch vessel 102, so as to provide support 104 on edge
Being accurately positioned in the axial direction of branch vessel 102.Equally, positioning guide wire 106 is after tension, and spacing hole 1061 is relative to support 102
Circumferential direction be equally to determine, therefore the circumferential direction of support 104 can be caused also to be accurately positioned, so as to realizing support
104 circumferential profile can be accurately bonded with the special construction of vascular wall.
Wherein, the position that spacing hole 1061 is formed on support 104 can depend on the shape of support 104 and enter branch blood
The position of pipe 102, in the present embodiment, it is necessary to the fitting of tubaeform opening portion 1042 and branch vessel 102 and main blood vessel 101
In the transitional region that is open, therefore spacing hole 1061 can be formed in the rear end of main part 1041, so by being stuck in branch vessel 102
The positioning guide wire 106 of entrance can cause the main part 1041 of support 104 to enter in branch vessel 102, and its opening portion 1041 is then
It is corresponding with opening arc transitional region, so as to realize support being accurately positioned in axial location.For in order to adapt to special blood
The change in location of the spacing hole 1061 of pipe is all fallen within protection scope of the present invention.
In addition, in order to not influence the function of support 104, as shown in Fig. 2 the spacing hole in the preferred embodiment for the present invention
106 spacing ring by being connected on support 104 is formed, can be used in constraining positioning guide wire 106.The spacing ring it is small-sized
Directly the function in human body without influenceing support 104 can be implanted into support 104.In addition, spacing hole 106 can also directly by
The structure of of support 104 itself is formed, and is all fallen within for this mode of texturing in protection scope of the present invention.
It should be noted that can realize the embodiment of foregoing invention design has a variety of, such as support enters branch vessel
Concrete structure of stent conveying device 103 etc. used in 102, it is of the invention for convenience of explanation, introduced at this therein excellent
Embodiment is selected, the preferred embodiment is served only for the explanation present invention, is not intended to limit the invention.
In a preferred embodiment of the invention, in order to be better achieved to the support with horn opening or angular cut
104 conveying, the support 104 that the present invention uses is from swollen support, i.e., after support 104 is discharged, it can automatically spring open.In order to more
Tackle well it is this keep precision during flicking from swollen support, releasedly storage support 104 provided by the invention is simultaneously defeated
The stent conveying device 103 of the support 104 is given by the way of segmentation storage and unblock, i.e., as shown in figure 1, in order to by support
104 are directed in branch vessel 102, and stent conveying device 103 is movably set in outside guiding wire 105, and including can edge
Seal wire movement leads core 107, is slideably set in the plunger tip 108 led outside core 107, the first lead sheath of the front end of storage support 104
109 and the second lead sheath 110 of the rear end of storage support 104, the first lead sheath 109, which is connected to, leads on core 107 and rear end opens, and second
The front end of lead sheath 110 opens, and plunger tip 108 is slideably set in second lead sheath 110 and supports the rear end of support 104.Cause
This first lead sheath 109 and the second lead sheath 110 by storing main part 1041 and branch 1042 respectively, when discharging support,
The release respectively of main part 1041 and 1042 can be achieved, so as to control the elasticity from swollen support well, ensure the position of support
And directional precision.It hereinafter will specifically introduce conveying and the release process of support 104.
Wherein, the front end of the first lead sheath, which is closed and is connected to, leads core 107 to be synchronized with the movement with leading core 107.It is highly preferred that should
The front end of closing is formed as target seeker 1091, the target seeker 1091 can be formed as cone shape etc. beneficial to the first lead sheath 109 to
The streamlined structure of preceding motion, the i.e. target seeker 1091 are integrally formed with the first lead sheath 109, and target seeker 1091 can also be with addition
First lead sheath 109 is formed positioned at the front of the first lead sheath 109 respectively, and the guarantor in the present invention should be also fallen for this mode of texturing
Protect in scope.Wherein, it is outer and can be moved along guiding wire 105 to be enclosed on guiding wire 105 for hollow-core construction to lead core 107, leads
Core 107 can by extend rearward to it is external in a manner of manipulated, such as the control device of connector outer end.
In addition, opening of the interval for storage support 104 between the front end of the second lead sheath 110 and the front end of plunger tip 108
Portion 1042, rear end along main blood vessel 101 extend back and can by extend to it is external in a manner of manipulated, such as connector outer end
Control device.Wherein, in order to realize release support 104 respectively, the rear end of the front end of the second lead sheath 110 and the first lead sheath 109
It is smooth without annexation, such as in order to move forward, the front end size design of the second lead sheath 110 can be led less than first
The rear end size of sheath 109, and seamlessly transit the front end of the second lead sheath 110 and the rear end of the first lead sheath 109.So effectively
The problem of front end of the second lead sheath 110 scrapes vascular wall is avoided, preferably protects vascular wall.
It should be noted that due to the presence of positioning guide wire 106, the first lead sheath 109 and the second lead sheath 110 have relative
Position needs to ensure that the positioning guide wire 106 through the upper limit hole 1061 of support 104 passes freely through, i.e., has therebetween necessarily
Gap.In some embodiments, the front end of the second lead sheath 110 can be embedded in the rear end of the first lead sheath 109, now can be
The through hole passed through for positioning guide wire 106 is formed on first lead sheath 109 and/or the second lead sheath 110.Fall for this mode of texturing
In protection scope of the present invention.
Plunger tip 108 is used to ensure that the position of the support 104 during conveying and unblock to be stable, and its front end face is used to support branch
The opening portion 1042 of frame 104, plunger tip 108 equally can by extend rearward to it is external in a manner of manipulated, such as hold in vitro
Control device.
The structure of implant system provided by the invention is above described, implant system provided by the invention is described in detail below
Support 104 is being installed to the method for implantation of branch vessel 102.
First, in preparation process, guiding wire 105 is introduced from main blood vessel 101 and extends to branch vessel 102, and support
104 compress to be accommodated in the first lead sheath 109 and the second lead sheath 110.And positioning guide wire 106 is passed through after spacing hole 1061 along master
Blood vessel 101 extends.
Then, enter to be about to the step of support 104 introduces branch vessel 102, first, operate respective control device and led with controlling
Core 107, the lead sheath 110 of plunger tip 108 and second move forward along guiding wire 105 is synchronous in the blood vessels, wherein, by leading core 107
The first lead sheath 109 is driven to move, the main part 1041 for the support 104 stored with the first lead sheath 109 of guarantee moves into branch vessel
102.Now, when the back-end location of the place main part 1041 of spacing hole 1061 reaches the entrance of branch vessel 102, positioning guide wire
106 can keep off in the porch of branch vessel 102, so as to which locating support 104 in the direction of movement is in the axial location of branch vessel 102,
Opening portion 1042 is enabled to be alignd with the opening transitional region of branch vessel 102, also, by tensing positioning guide wire 106, tool
Tensioned positioning guide wire 106 can also locating support 104 in circumferential direction, no matter so that the main part of support 104
1041 or the position of opening portion 1042 can be accurately positioned, i.e. can ensure that support 104 fits to exactly after expansion
The opening portion office of branch vessel.
The unlocked step of support 104 is described below, first, by operating each self-control device, keeps plunger tip 108 motionless,
And the second lead sheath 110 is pulled back along guiding wire 105, so as to supporting by fixed plunger tip 108 so that support 104
Opening portion 1042 is released, and at this moment, opening portion 1042 can also deploy so as to accurately fit to the opening transition of branch vessel 102
Region.Then, to fix the second lead sheath 110 and plunger tip 108 is motionless, operation is led core 107 and moved forward along guiding wire 105, so as to
Drive the first lead sheath 109 is synchronous to move forward, due to the presence of positioning guide wire 106, now the first lead sheath 109 will be disengaged from support
104 body 1041, deploy so as to obtain main part 1041 and fit in the vascular wall of branch vessel 102.That is, using discharging first
Back-end support discharges the mode of support front end again.The registration of the opening portion 1042 of support 104 can so be better ensured that
Property.In other modes of operation, support front end can also be discharged first and discharges back-end support or both ends again while discharges, for
This mode of operation is all fallen within protection scope of the present invention.So, the characteristics of being discharged by the distinctive both ends of the present invention, can
The expansion process from swollen support is controlled well, and is particularly adapted to the support with main part 1041 and branch 1042,
Support 104 is enabled to conform accurately in the opening portion of branch vessel, ensure its shape excellent fit with support and blood vessel
Close.
It should be noted that in above process, if formed with confession on the first lead sheath 109 and/or the second lead sheath 110
The through hole of positioning guide wire 106, positioning guide wire 106 is extracted out needing release first.Otherwise finished in two lead sheath release supports 104
Extract positioning guide wire 106 out again afterwards, so the support 104 during release can be determined always by positioning guide wire 106
Position.All fallen within for the mode of texturing in this step in protection scope of the present invention.
Finally, after support 104 fits in vascular wall completely, the exit step of implant system is carried out.Wherein, due to support
104 have fitted in vascular wall, need to only operate and lead core 107 and plunger tip 108 is extracted out backward along guiding wire 105, with synchronous drive
First lead sheath 109 exits back branch vessel 102 and main blood vessel 101, is accurately implanted into so as to complete the support of branch vessel.
To sum up, the implant system of blood vessel provided by the invention and method can be realized opens with horn opening or beveling shape
Accurate implantation of the support 104 of mouth at the bifurcation ostium of branch vessel, has higher practicality and promotional value.In addition,
The implant system of branch vessel provided by the invention can be also used for other shapes in addition to for the support with horn opening
Support, such as the implantation of common straight barrel type support.It is used in addition, stent conveying device provided by the invention removes in branch vessel
Implantation field in, can be also used for the stenter to implant of other positions blood vessel, without departing from the inventive concept, for
The deformation of this application and field is all fallen within protection scope of the present invention.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of accurate implant system of the support of branch vessel, the branch vessel include interconnected main blood vessel (101) and
The branch vessel (102) connected with the main blood vessel (101), it is characterised in that the accurate implant system of support is included releasedly
Storage support (104) and convey the stent conveying device (103) of the support (104), extended to from the main blood vessel (101) it is described
The guiding wire (105) of branch vessel (102) and the positioning guide wire (106) along main blood vessel (101) extension, the support
Conveying device (103) is movably set in the guiding wire (105) outside, and spacing hole is provided with the support (104)
(1061), the positioning guide wire (106) is slidably disposed through the spacing hole (1061), with can axial and circumferential position the branch
Frame (104).
2. the accurate implant system of support according to claim 1, it is characterised in that the spacing hole (1061) is by being connected to
Spacing ring on the support (104) is formed.
3. the accurate implant system of support according to claim 1, it is characterised in that stent conveying device (103) bag
Include can be moved along seal wire lead core (107), be slideably set in and described lead the outer plunger tip (108) of core (107), the storage branch
First lead sheath (109) of frame (104) front end and the second lead sheath (110) of storage support (104) rear end, first lead sheath
(109) led described in being connected on core (107) and rear end opens, the second lead sheath (110) front end opens, the plunger tip
(108) slideably it is set in second lead sheath (110) and supports the rear end of the support (104).
4. the accurate implant system of support according to claim 3, it is characterised in that the front end of first lead sheath (109)
Close and be connected to and described lead core (107).
5. the accurate implant system of support according to claim 4, it is characterised in that the front end of first lead sheath (109)
Be formed as the target seeker (1091) with streamlined structure.
6. the accurate implant system of support according to claim 3, it is characterised in that the accurate implant system of support also wraps
Multiple control devices are included, second lead sheath (110), the plunger tip (108) and the core (107) of leading extend back and connected respectively
It is connected to the respective control device.
7. the accurate implant system of support according to claim 3, it is characterised in that the front end of second lead sheath (110)
Size is less than the rear end size of first lead sheath (109) and seamlessly transitted.
8. the accurate implant system of support according to claim 1, it is characterised in that the support (104) has main part
(1041) and positioned at the opening portion (1042) of main part (1041) rear end, the main part (1041) straight tube structure is formed as,
The opening portion (1042) is formed as horn-type structure.
9. the accurate implant system of support according to claim 1, it is characterised in that the support (104) has main part
(1041) and positioned at the opening portion (1042) of main part (1041) rear end, the main part (1041) straight tube structure is formed as,
The plane of the opening of the opening portion (1042) is obliquely installed relative to the axis of the main part (1041).
10. the accurate implant system of support according to claim 8 or claim 9, it is characterised in that the spacing hole (1061) is formed
In the rear end of the main part (1041) or the opening portion (1042).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294368.3A CN105266936B (en) | 2014-06-25 | 2014-06-25 | The accurate implant system of support of branch vessel |
| PCT/CN2014/084327 WO2015196539A1 (en) | 2014-06-25 | 2014-08-13 | System and method for accurately implanting a bifurcated vessel stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410294368.3A CN105266936B (en) | 2014-06-25 | 2014-06-25 | The accurate implant system of support of branch vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105266936A CN105266936A (en) | 2016-01-27 |
| CN105266936B true CN105266936B (en) | 2018-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410294368.3A Active CN105266936B (en) | 2014-06-25 | 2014-06-25 | The accurate implant system of support of branch vessel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105266936B (en) |
| WO (1) | WO2015196539A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227358A1 (en) * | 2018-05-30 | 2019-12-05 | Li Lei | Precise stent implanting system for bifurcated vessel |
| WO2019227357A1 (en) * | 2018-05-30 | 2019-12-05 | Li Lei | Operation device of precise stent implantation system for branch vessel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594838A (en) * | 2006-09-25 | 2009-12-02 | A·维勒 | The self-expandable stent systems that is used for bifurcated lesions |
| CN101897629A (en) * | 2009-05-26 | 2010-12-01 | 微创医疗器械(上海)有限公司 | Branched membrane-covered support conveying system and conveying method thereof |
| WO2011109067A1 (en) * | 2010-02-18 | 2011-09-09 | Suhr William S | Side branch accessible balloon for bifurcation stenting |
| CN102415924A (en) * | 2011-09-16 | 2012-04-18 | 微创医疗器械(上海)有限公司 | Branch sheath and blood vessel stent conveying and releasing device applying same |
| CN102525699A (en) * | 2012-01-12 | 2012-07-04 | 微创医疗器械(上海)有限公司 | Branch type intraoperative stent conveying system and guiding catheter for same |
| CN203935305U (en) * | 2014-06-25 | 2014-11-12 | 李雷 | The accurate implant system of support of branch vessel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7341598B2 (en) * | 1999-01-13 | 2008-03-11 | Boston Scientific Scimed, Inc. | Stent with protruding branch portion for bifurcated vessels |
| CN1441654A (en) * | 2000-03-22 | 2003-09-10 | 先进扩张技术公司 | Guide wire introducer sheath |
| US8273115B2 (en) * | 2007-04-24 | 2012-09-25 | W. L. Gore & Associates, Inc. | Side branched endoluminal prostheses and methods of delivery thereof |
-
2014
- 2014-06-25 CN CN201410294368.3A patent/CN105266936B/en active Active
- 2014-08-13 WO PCT/CN2014/084327 patent/WO2015196539A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594838A (en) * | 2006-09-25 | 2009-12-02 | A·维勒 | The self-expandable stent systems that is used for bifurcated lesions |
| CN101897629A (en) * | 2009-05-26 | 2010-12-01 | 微创医疗器械(上海)有限公司 | Branched membrane-covered support conveying system and conveying method thereof |
| WO2011109067A1 (en) * | 2010-02-18 | 2011-09-09 | Suhr William S | Side branch accessible balloon for bifurcation stenting |
| CN102415924A (en) * | 2011-09-16 | 2012-04-18 | 微创医疗器械(上海)有限公司 | Branch sheath and blood vessel stent conveying and releasing device applying same |
| CN102525699A (en) * | 2012-01-12 | 2012-07-04 | 微创医疗器械(上海)有限公司 | Branch type intraoperative stent conveying system and guiding catheter for same |
| CN203935305U (en) * | 2014-06-25 | 2014-11-12 | 李雷 | The accurate implant system of support of branch vessel |
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| Publication number | Publication date |
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| WO2015196539A1 (en) | 2015-12-30 |
| CN105266936A (en) | 2016-01-27 |
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