CN105662649B - A kind of stent for being easy to grafting branch - Google Patents
A kind of stent for being easy to grafting branch Download PDFInfo
- Publication number
- CN105662649B CN105662649B CN201610123214.7A CN201610123214A CN105662649B CN 105662649 B CN105662649 B CN 105662649B CN 201610123214 A CN201610123214 A CN 201610123214A CN 105662649 B CN105662649 B CN 105662649B
- Authority
- CN
- China
- Prior art keywords
- stent
- blood flow
- main body
- sealing surface
- mouthful
- 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
Classifications
-
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
Abstract
The present invention discloses a kind of stent for being easy to grafting branch, including tubular body intravascular stent, and main body intravascular stent far distance port is sealed by a sealing surface with depressed area, and blood flow mouthful is provided with sealing surface；On the inclined-plane or bottom of the depressed area at least provided with one with external branch vessel is docked is connected blood flow mouthful.The aortic aneurysm intracavitary therapy for making it possible to involve important branch by this invention, while simplifying operation technique, reduces operation risk.
Description
Technical field
The present invention relates to implantable vessel technical field, and in particular to a kind of stent for being easy to grafting branch.
Background technology
Aortic aneurysm refers to that aorta wall is local or diffused abnormal dilatation, oppresses peripheral organs and causes symptom, endangers
The dangerous rupture for being knurl body, often occurs in aorta ascendens, the arch of aorta, thoracic descending aorta, thoracoabdominal aorta and abdomen actively
Arteries and veins.
Aortic aneurysm can be treated by the method for surgical operation, it would however also be possible to employ Surgery.Using surgery hand
The risk of art is big, and simultaneously not all patient can bear surgical operation, using Surgery, and making will using induction system
Stent is transported to diseased region, using the elasticity of support itself, expands stent, so that by diseased region such as
The breach of aneurysm or artery dissection completely cuts off outside the tube chamber of stent, completes the reparation to vascular lesion position.Due to
Aortic arch aortic aneurysm and thoracoabdominal aortic aneurysm generally respectively involve bow top set's artery (arteria carotis/subclavian artery) and
Internal organ/the arteria renalis, must assure that the patency of these important branch arteries during intracavitary PCI, therefore to rebuild these heavy for intracavitary
The bifurcated artery wanted turns into the key solved the problems, such as.
In the prior art, stent is divided into straight type, branch/forked type etc., and wherein branch/forked type intravascular stent includes one
Body formula structure and split-type structural, split-type structural are typically made up of main body rack and the multiple modules of branch stent, when in use,
Induction system first discharges main body rack, then branch stent is delivered into specified location, relative with main body rack after release to connect.
The stent of existing split-type structural, generally sets on the side wall of main body rack and is engaged with branch stent
Socket, occupation mode be by intervene operation first complete main body rack release, branch stent is then docked to main body
Support spigot.Found during actual operation, by the main body rack of compression by intervening the process that sheath discharges in the blood vessels
In, it is difficulty very high process while control the opening align fingers blood vessel mouthful on rack side wall, at the same it is very risky, if
It should be not aligned with the contrary because main body rack side wall blocks branch vessel, such as：Carotid artery vascular is blocked to cause apoplexy or death, block
Firmly internal organ or the arteria renalis can cause internal organs necrosis.How in aortic branch position, safely, effectively, sustainer is quickly placed
Stent, that is, completely cut off aortic aneurysm and can guarantee that the patency of important branch blood vessel is urgent problem to be solved again.
The content of the invention
The invention provides a kind of stent for being easy to grafting branch, external branch vessel is easy to and main body blood vessel pair
Connect, the difficulty of reduction intervention operation, while improving operation safety reduction operation risk.
The present invention is a kind of stent of Yi Jie branches, an including tubular body intravascular stent, main body blood vessel branch
Frame far distance port is sealed by a sealing surface with depressed area, and blood flow mouthful is provided with sealing surface；On the inclined-plane or bottom of depressed area
At least provided with one with external branch vessel is docked is connected blood flow mouthful, the sealing surface positioned at depressed area is spigot surface, for drawing
Lead branch vessel and enter linking blood flow mouthful.
Using above-mentioned technical proposal, due to the port surface positioned at main body intravascular stent of the blood flow mouthful of the external branch of docking,
As long as controlling main body rack tip position, blood flow mouthful position is just controlled；Because the port position of support is under image instrument
It is easy to be handling in easy developability, surgical procedure, it is easy to realize the accurate release to support port, then solve main body blood
The problem of pipe holder docking blood flow mouth is accurately discharged to required position, improves procedure efficiency.
It is connected blood flow mouthful to be located in the depressed area of sealing surface, inclined side formation driving object in depressed area is minimum into inclined-plane
The guiding force of position guiding, when blood flow mouthful is located at side or bottom, guiding force will aid in guide wire etc. to wear connecing thing and enter blood flow
Mouthful.
Further set：Above-mentioned depressed area,
It can be that sealing surface is overall to be in depression area to concave shape on the inside of main body intravascular stent.
Or be that sealing surface includes the depressed area one to main body intravascular stent sunken inside, and a plane area.
Can also be that sealing surface includes the depressed area two to main body intravascular stent sunken inside, and a plane area.
Using above-mentioned technical proposal：Depressed area can main body rack off-position and the relative position progress of docking branch stent
Adjusted design.Main body blood flow mouthful and linking blood flow mouthful are all placed in depressed area；Only linking blood flow mouthful is placed in depressed area；Linking
Blood flow mouthful is placed in different depressed areas.
Further set：The built-in branch vessel being connected with blood flow mouth, a built-in branch are provided with main body intravascular stent
Blood vessel distal head is connected with least one blood flow mouthful, and built-in branch vessel proximal head is located in the main body intravascular stent.
Linking blood flow mouthful with built-in branch vessel is one-to-one connects.
Built-in branch vessel proximal port extends to main body intravascular stent proximal port, the built-in branch vessel proximal port periphery
And proximal it is intraoral between sealed by sealing surface.
Built-in branch vessel is software artificial blood vessel or the blood vessel with support frame.
Using above-mentioned technical proposal：Built-in branch vessel from the external branch vessel of blood flow mouthful on the one hand with coordinating, increase
Stability after external branch vessel access, on the other hand ensure that the smoothness of each blood flow blood flow.
Built-in branch vessel, may also be configured to：Built-in branch vessel proximal port is extended in main body intravascular stent, described interior
Put and sealed between branch vessel proximal port periphery and main body intravascular stent madial wall by sealing surface.
Using above-mentioned technical proposal：The main body rack part that built-in branch vessel does not extend, can reduce main body rack compression
When Partial shrinkage diameter, reduce Local Contraction size.
The present invention is from the linking blood flow mouthful access tributary blood vessel in far distance port, the axial direction without removing strict control main body rack
Position and circumferential angle, without having to worry about the blood flow mouthful and human body branch vessel mouthful for not being accurately aimed at rack side wall, cause branch's blood
Serious consequence caused by head piece is blocked, makes surgical procedure simple and reduces risks.It is connected blood flow mouthful and is located at main body blood vessel branch
On the depression sealing surface of frame far distance port, the block pitting of sealing surface is formd simultaneously to be led when being accessed to branch vessel to traction
The guided bone of silk, it is more quick that city's guiding traction seal wire enters linking blood flow mouthful.The method of intervention is rebuild and involved in transit chamber
Important aortic branch, solve aortic arch aortic aneurysm and Visceral artery region aortic aneurysm.Master is first said when using
The stent of Ti Yijie branches is put into the near-end of involvement bifurcated artery.The Aortic arch aneurysm for involving bow top set is put
Put in aorta ascendens, then by arteria carotis, femoral artery set up respectively with easily connect branch stent type blood vessel couple track, pass through
Other stent bridge joint main body rack realizes the reconstruction of bifurcated artery.Chest and abdomen master to involving Visceral artery or the arteria renalis
Aneurysm, the descending aorta above arteria coeliaca is placed on by the stent of main body Yi Jie branches, while with another piece of master
The stent of Ti Yijie branches is docked with first piece, so as to form four embedded branches.Then it is embedded by this four
Branch respectively with arteria coeliaca, superior mesenteric artery, right renal artery and left renal artery bridge, so as to realize the weight of important branch
Build and aneurysmal isolation.
The aortic aneurysm intracavitary therapy for making it possible to involve important branch by this invention, while simplifying operation behaviour
Make, reduce operation risk.
Brief description of the drawings
Fig. 1 is easy to the first embodiment schematic diagram of the stent of grafting branch for the present invention；
Fig. 2 is easy to second of embodiment schematic diagram of the stent of grafting branch for the present invention；
Fig. 3 is easy to the third embodiment schematic diagram of the stent of grafting branch for the present invention；
Fig. 4 is easy to the 4th kind of embodiment schematic diagram of the stent of grafting branch for the present invention；
Fig. 5 is easy to the 5th kind of embodiment schematic diagram of the stent of grafting branch for the present invention；
Fig. 6 is two and is easy to grafting branch combination schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings, the stent that the present invention is easy to grafting branch is described in detail.
Embodiment 1
As shown in figure 1, the stent that the present embodiment is provided, includes the main body intravascular stent 1 of overlay film frame composition,
Dirty one end (referred to as lower distal end) A farther out is centrifuged in main body intravascular stent to be sealed by sealing surface 111, sealing surface 111 is to main body blood
There are three blood flows mouthful 21,22,23, respectively one 21 Hes of main blood flow mouthful in circumference branch on pipe holder sunken inside, depressed area inclined-plane
Two linking blood flows mouthful 22,23, main blood flow mouthful diameter is more than linking blood flow diameter.The support of support frame 211,221,223 expands three
Blood flow mouthful periphery, three support frames 211,221,223 are tangent two-by-two and connect and tangent with far distance port A peripheries support respectively
And connect and prolong the direction inclination of the depression of sealing surface 111, blood flow mouthful stable position will be connected on the sealing surface 111 of depression.
Embodiment 2
As shown in Fig. 2 the stent that the present embodiment is provided, includes the main body intravascular stent 1 of overlay film frame composition,
Far distance port A is sealed by sealing surface 111, and sealing surface 111 is to main body intravascular stent sunken inside, and circumference branch has three on the inclined-plane of depressed area
Individual blood flow mouthful 21,22,23, respectively one main blood flow mouthful 21 and two linking blood flows mouthful 22,23, main blood flow mouthful diameter are more than rank
Connect blood flow diameter.Three blood flows mouthful periphery is expanded in the support of support frame 210,220,220, and three support frames 210,220,220 are two-by-two
It is tangent and connect and respectively with far distance port A peripheries support it is tangent and be connected and prolong sealing surface 111 depression direction tilt, will be connected
Blood flow mouthful stable position is on the sealing surface 111 of depression.Three be set in parallel in the endovascular built-in branch vessel 211 of main body,
221st, 131, built-in branch vessel proximal port 212,222,232 by the enlarging of support frame 2100,2200,2200 and two-by-two tangent company
Connect, same plane and tangent connection, the built-in branch vessel proximal port periphery and main body blood vessel branch are in proximal port C peripheries
Gap is sealed by sealing surface 130 between frame madial wall.Built-in branch vessel 211,221,131 is for software artificial blood vessel or with support
The blood vessel of skeleton.Sealing surface 130 can be plane or prolong main body blood vessel direction of principal axis concave or convex.
In the use of the present invention, the release in advance in vivo of main body intravascular stent 1, surgical procedure in image documentation equipment by observing
Judge the off-position of main body intravascular stent 1, the present invention only need to determine the distal end location A of main body intravascular stent 1 and branch vessel waiting
The cooperation position of mouth, is just positioned to the linking blood flow mouthful 21,22,23 in far distance port A.It need not go strictly to control main body branch
The axial location of frame and circumferential angle, without having to worry about the blood flow mouthful and human body branch vessel mouthful for not being accurately aimed at rack side wall, make
Serious consequence caused by being blocked into branch's blood flow mouth, makes surgical procedure simple and reduces risks.In surgical procedure, external
Branch vessel accesses main body intravascular stent 1 of the present invention and gone forward, and traction seal wire need to be first advanced into linking blood flow mouthful 22,23, formed
External branch vessel accesses track.It is connected blood flow mouthful to be located on the sealing surface 111 caved inward of main body intravascular stent far distance port,
The block of sealing surface and concave shape are touched to entering the guided bone that has for drawing seal wire in far distance port A, traction seal wire
It is recessed behind the inclined-plane of sealing surface 111, inclined-plane will be prolonged and slid to depressed area, the linking blood flow worn on access inclined-plane is intraoral, improves
Seal wire interts efficiency.
Guiding traction seal wire enters linking blood flow mouthful, accelerates traction seal wire and is hastened with being connected penetrating for blood flow mouthful, improves hand
Art efficiency.External branch vessel distal end, with being discharged after being connected blood flow mouthful docking, coordinates along traction seal wire with built-in branch vessel
Positioning.
Embodiment 3
As shown in figure 3, the stent that the present embodiment is provided, the distal end for the main body intravascular stent 1 that overlay film frame is constituted
The outer shroud side of sealing surface 111 on mouth A, the depressed area 112a provided with one to main body intravascular stent sunken inside, depressed area
112a is that the plastic film of sealing surface 111 is shaped or support frame sizing, and two linking blood flows mouthful 22,23 are located at depressed area 112a bottoms；
Other area faces 112 of sealing surface 111 are in a plane with far distance port A peripheries, and main blood flow mouthful 21 is located in the area face.
Embodiment 4
As shown in figure 3, the stent that the present embodiment is provided, the far distance port A of main body intravascular stent 1 sealing surface 111
Outer shroud side, depressed area 113a, 113b provided with two to main body intravascular stent sunken inside, two linking blood flows mouthfuls 22,23
It is located at depressed area 113a, 113b bottom respectively；Other area faces 113 of sealing surface 111 are in a plane with far distance port A peripheries
Interior, main blood flow mouthful 21 is located in the area face.
Embodiment 5
Embodiment as shown in Figure 5, three built-in ends of 211,221,131 near-end of branch vessel 12,222,232 extend to main body
It is interior, sealed between proximal port periphery 212,222,232 and main body intravascular stent madial wall by sealing surface.
Embodiment 6
Such as Fig. 3, the main body blood flow that main body blood vessel 1 can integrally be assembled to the far distance port A of main body intravascular stent 2 is intraoral, and combination makes
With to adapt to the diseased region demand for needing multiple external branches.
Claims (13)
1. a kind of stent for being easy to grafting branch, including tubular body intravascular stent, it is characterised in that main body blood vessel branch
Frame far distance port is sealed by a sealing surface with depressed area, and blood flow mouthful is provided with sealing surface；
On the inclined-plane or bottom of the depressed area at least provided with one with external branch vessel is docked is connected blood flow mouthful；
Sealing surface positioned at depressed area is spigot surface, for guiding branch vessel to enter linking blood flow mouthful.
2. stent as claimed in claim 1, the sealing surface is overall to form recessed to depression on the inside of main body intravascular stent
Fall into area.
3. stent as claimed in claim 2, it is characterised in that the blood flow mouthful is two linking blood flows mouthful and one
Main body blood flow mouthful, described two linking blood flows and main body blood flow mouthful are located on the inclined-plane of the sealing surface depressed area.
4. stent as claimed in claim 1, the sealing surface includes one to the recessed of main body intravascular stent sunken inside
Fall into area, and a plane area.
5. stent as claimed in claim 4, it is characterised in that two linking blood flows mouthful are provided with the sealing surface
With a main body blood flow mouthful, described two linking blood mouthful streams are located in the depressed area, and main body blood flow mouthful is located at the sealing surface
On plane area.
6. stent as claimed in claim 1, the sealing surface includes two to the recessed of main body intravascular stent sunken inside
Fall into area, and a plane area.
7. stent as claimed in claim 4, it is characterised in that the blood flow mouthful is two linking blood flows mouthful and one
Main body blood flow mouthful, described two linking blood flow mouths are located in two depressed areas respectively, and main body blood flow mouthful, which is located at the sealing surface, puts down
In the area of face.
8. the stent as described in claim 1,2,3,4,5,6 or 7 any one, it is characterised in that the main body blood vessel
The built-in branch vessel being connected with blood flow mouth is provided with support, a built-in branch vessel distal head and at least one blood flow mouthful are even
Connect, built-in branch vessel proximal head is located in the main body intravascular stent.
9. stent as claimed in claim 8, it is characterised in that a pair of the linking blood flow mouthful and built-in branch vessel
One connection.
10. stent as claimed in claim 8, it is characterised in that built-in branch vessel is software artificial blood vessel or band
The blood vessel of support frame.
11. stent as claimed in claim 8, it is characterised in that the built-in branch vessel proximal port extends to master
Body intravascular stent proximal port, the built-in branch vessel proximal port periphery and proximal it is intraoral between sealed by sealing surface.
12. stent as claimed in claim 9, it is characterised in that the built-in branch vessel proximal port extends to master
Body intravascular stent proximal port, the built-in branch vessel proximal port periphery and proximal it is intraoral between sealed by sealing surface.
13. stent as claimed in claim 8, it is characterised in that the built-in branch vessel proximal port extends to master
It is described built-in to be sealed between branch vessel proximal port periphery and main body intravascular stent madial wall by sealing surface in body intravascular stent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123214.7A CN105662649B (en) | 2016-03-05 | 2016-03-05 | A kind of stent for being easy to grafting branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123214.7A CN105662649B (en) | 2016-03-05 | 2016-03-05 | A kind of stent for being easy to grafting branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105662649A CN105662649A (en) | 2016-06-15 |
| CN105662649B true CN105662649B (en) | 2017-09-01 |
Family
ID=56306741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123214.7A Active CN105662649B (en) | 2016-03-05 | 2016-03-05 | A kind of stent for being easy to grafting branch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105662649B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106109056B (en) * | 2016-07-22 | 2018-02-13 | 有研医疗器械（北京）有限公司 | A kind of multi-cavity overlay film frame and its application method |
| CN207837687U (en) * | 2017-01-23 | 2018-09-11 | 北京形梦信息技术有限公司 | A kind of sectional shelf-unit |
| CN207837686U (en) * | 2017-01-23 | 2018-09-11 | 北京形梦信息技术有限公司 | A kind of holder |
| CN209474865U (en) * | 2017-11-24 | 2019-10-11 | 杭州唯强医疗科技有限公司 | Enhance the vascular shunt frame and intravascular stent of stability |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9319267U1 (en) * | 1993-12-15 | 1994-02-24 | Vorwerk Dierk Dr | Aortic endoprosthesis |
| BE1010183A3 (en) * | 1996-04-25 | 1998-02-03 | Dereume Jean Pierre Georges Em | Luminal endoprosthesis FOR BRANCHING CHANNELS OF A HUMAN OR ANIMAL BODY AND MANUFACTURING METHOD THEREOF. |
| EP1128865A4 (en) * | 1998-11-11 | 2005-11-23 | Mark Wilson Ian Webster | Bifurcation stent and delivery systems |
| CN102370528A (en) * | 2010-08-09 | 2012-03-14 | 郭伟 | Bracket type blood vessel |
| US9314328B2 (en) * | 2011-08-16 | 2016-04-19 | W. L. Gore & Associates, Inc. | Branched stent graft device and deployment |
| CN205924245U (en) * | 2016-03-05 | 2017-02-08 | 郭伟 | Ramose support type of easily pegging graft blood vessel |
-
2016
- 2016-03-05 CN CN201610123214.7A patent/CN105662649B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105662649A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205924245U (en) | Ramose support type of easily pegging graft blood vessel | |
| CN105662649B (en) | A kind of stent for being easy to grafting branch | |
| CN102641164B (en) | Branch type aortic stent vascular system | |
| US10010402B2 (en) | Thoracic aortic covered stent | |
| US10524893B2 (en) | Vascular repair devices and methods of use | |
| CN102961198B (en) | Covered stent conveyor | |
| WO2015109375A1 (en) | Endoprosthesis for endovascular treatment of thoracic-abdominal aortic aneurysms or dissections and endoprosthesis for endovascular treatment of abdominal aortic aneurysms or dissections which compromise the iliac arteries | |
| CN201949182U (en) | Branch type aortic stent vascular system | |
| Clough et al. | Total endovascular repair of thoracoabdominal aortic aneurysms | |
| CN202859182U (en) | Membrane-covered stent | |
| JP2014533180A5 (en) | ||
| CN103349576B (en) | Windowing equipment for covered stent in vascular cavity | |
| CN107260363A (en) | A kind of medical laser optical fiber | |
| CN2817766Y (en) | Separated standing blood vessel for prosthesis of aorta ascendens and aortic arches cavity | |
| CN110613531B (en) | Aortic arch part branch covered stent blood vessel combination device for open surgery | |
| CN104398319A (en) | Aorta abdominalis covered stent | |
| CN106310495A (en) | Perfusion and dilation balloon system | |
| Cheng | Novel endovascular procedures and new developments in aortic surgery | |
| Igari et al. | Early experience with the endowedge technique and snorkel technique for endovascular aneurysm repair with challenging neck anatomy | |
| Chait et al. | Anatomic factors to guide patient selection for fenestrated-branched endovascular aortic repair | |
| CN204275256U (en) | Three chamber foley's tubes | |
| CN203388961U (en) | Vascular endovascular stent graft windowing equipment | |
| CN103349575A (en) | Windowing method for covered stent in vascular cavity | |
| CN113662705A (en) | Modular branched stent for treating thoracoabdominal aortic aneurysm | |
| CN106308975A (en) | Blood vessel prosthesis stent for Stanford type A aortic dissection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Wei Inventor before: Guo Wei Inventor before: Ma Xiaohui |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200918 Address after: 100853 Fuxing Road, Beijing, Haidian District, No. 28 Patentee after: People's Liberation Army General Hospital Address before: 28 Department of vascular surgery, PLA General Hospital, Fuxing Road, Beijing, Haidian District 100853, China Patentee before: Guo Wei |
|
| TR01 | Transfer of patent right |