CN105726165B - A kind of sustainer overlay film branch stent - Google Patents
A kind of sustainer overlay film branch stent Download PDFInfo
- Publication number
- CN105726165B CN105726165B CN201610300430.4A CN201610300430A CN105726165B CN 105726165 B CN105726165 B CN 105726165B CN 201610300430 A CN201610300430 A CN 201610300430A CN 105726165 B CN105726165 B CN 105726165B
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- CN
- China
- Prior art keywords
- stent
- sub
- main support
- overlay film
- sustainer
- 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.)
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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
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0065—Additional features; Implant or prostheses properties not otherwise provided for telescopic
Abstract
The present invention relates to a kind of sustainer overlay film branch stent, it include being put in main support in sustainer and located at main support side-wall outer side and with the sub-stent of main support UNICOM, described main support includes overlay film and supports some circle wavy annular things of overlay film, the pitch of waves and adjacent peaks of wavy annular thing and the distance between trough are gradually incremental by the Inside To Outside of bow shape, make main support deploy naturally after shape be in bow shape, sub-stent includes sub-stent overlay film and the telescopic spring structure of support sub-stent overlay film, the bottom of sub-stent is connected with main support side-wall outer side, wavy annular thing enables main support to make main support be tightened to bore by several tightening devices to reduce and maintain the state tightened up；Spring structure enables sub-stent compress sub-stent by a compression set and maintain compressive state, and the present invention has the advantages that simple in construction, simple operation and will not damage sustainer.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of sustainer overlay film branch stent.
Background technology
Angiocardiopathy is current the first killer for threatening compatriots healthy, and aortic aneurysm is most dangerous urgency, severe painstaking effort
One of pipe disease, it is clinically vivid to be referred to as " time bomb ".At present, treatment aortic disease includes drug therapy, surgery hand
The methods such as art treatment, PCI.The aneurysm that drug treatment mainly reduces by strictly controlling blood pressure continues to expand
Or the incidence of rupture.It is mainly aneurysm excision and artificial or vascular homograft, current abdomen in terms of surgical operation therapy
The operative mortality rate of aortic aneurysm is less than 5%, but the age is excessive, intentionally, brain, kidney or other visceral lesion persons, and surgical death can
More than 25%.The operative mortality rate of aneurysm of thoracic aorta is 30%, with the surgical risk maximum of Aortic arch aneurysm.But operation
Carried out under deep hypothermia cardiopulmonary bypass, and there is the risk of spinal cord, brain and important organ ischemic necrosis, many gerontal patients by
Hold surgical operation therapy under chest in there is high risk factor and can not be resistant to and lose therapy apparatus meeting.
With the progress and extensive use of intervention material, overlay film frame applies more and more extensive, traditional overlay film branch
Frame is mainly made up of the overlay film of wire and cover it, and this support can be deformed upon, under normal conditions support be it is straight,
It is to bend but support is when being implanted in sustainer, enables to be adapted with arched sustainer, support one
Denier bending, which will certainly be produced, is allowed to the power for reverting to original form, and this power can bring certain pressure to sustainer, sometimes
Cause the damage of sustainer.In addition, many overlay film frames with sub-stent are have also appeared on the market now, this overlay film frame
The side wall connection of sub-stent and main support and with main support UNICOM because provided with sub-stent, this overlay film with sub-stent
Support is when being implanted into sustainer, and it is more inconvenient to operate, when the overlay film frame compressed in release, if sub-stent does not have
There is the corresponding blood vessel of alignment, the situation of closure blood vessel just occurs, in fact it could happen that the situation of death.In summary, having must
The overlay film frame that a kind of shape is adapted with arch sustainer shape is designed, and the sub-stent that the overlay film frame is provided with is
Telescopic, this support will not only bring pressure to sustainer, and more easily can be implanted into sustainer.
The content of the invention
The active of pressure will not be brought it is an object of the invention to provide a kind of simple in construction, simple operation and to sustainer
Arteries and veins overlay film branch stent.
The purpose of the present invention is achieved through the following technical solutions：A kind of sustainer overlay film branch stent, it includes being put in master
Main support in artery and located at main support side-wall outer side and with the sub-stent of main support UNICOM, described main support includes covering
The distance between film and some circle wavy annular things for supporting overlay film, pitch of waves and adjacent peaks and trough of wavy annular thing
Gradually it is incremented by by the Inside To Outside of bow shape so that the shape after main support deploys naturally is in bow shape, and sub-stent includes dividing
Support overlay film and the telescopic spring structure of support sub-stent overlay film, the bottom of sub-stent are connected with main support side-wall outer side,
Wavy annular thing enables main support to make main support be tightened to bore by several tightening devices to reduce and maintain what is tightened up
State；Spring structure enables sub-stent compress sub-stent by a compression set and maintain compressive state.
For prior art, the advantage of the invention is that：1) simple in construction, simple operation of the invention；2) it is of the invention
Main support in its natural state be in bow shape, pressure will not be brought to sustainer when using, so that sustainer will not be damaged；3)
The sub-stent of the present invention is telescopic spring shape, and sub-stent is compressed and shaped by a compression set so that branch
Frame keeps compressive state, because the sustainer overlay film branch stent is before implantation sustainer, sub-stent is in the state compressed,
So the sustainer overlay film branch stent is in the operating process of implantation sustainer, it is easier to be implanted into sustainer；4) it is of the invention
Main support, before implantation sustainer, the bore of main support is retracted to minimum in the presence of tightening device, so facilitates support
Implantation, when correct position of the stenter to implant into sustainer, by untiing positioning rope A, discharges main support, so of the invention
Meet human anatomy aortic arch feature, different individuals can be adapted to, can at utmost meet individual difference, together
When, convey and release simple system, clinical easily operation；5) present invention is received using the cinch cord A cooperated with positioning rope A
Tight main support, sub-stent compressed using the cinch cord B and positioning rope B of mutual cooperation, facilitate releasing for main support and sub-stent
Put, effectively saved operating time, when needing release main support, only need to take positioning rope A away, it is same to need release
During sub-stent, only positioning rope B need to be taken away.6) after the constraint of sub-stent is released from, sub-stent can rely on its spring structure,
Automatically charge into branch vessel, without being conveyed to branch vessel by other conveying devices, so, the plant of sub-stent
Enter mode relatively in the past more easy and safe, the damage to blood vessel is also smaller.
Brief description of the drawings
Structural representation when Fig. 1 is sub-stent of the present invention, main support compresses.
Fig. 2 is the structural representation of the present invention one sub-stent of release.
Fig. 3 is the structural representation of the present invention two sub-stents of release.
Fig. 4 is the structural representation of the present invention three sub-stents of release.
Structural representation when Fig. 5 is sub-stent of the present invention, main support discharges.
Fig. 6 is cinch cord A of the present invention structural representation.
Fig. 7 is cinch cord A of the present invention and positioning rope A matching relationship schematic diagram.
Fig. 8 is cinch cord B of the present invention structural representation.
Fig. 9 is cinch cord B of the present invention and positioning rope B matching relationship schematic diagram.
Label declaration：1 main support, 1-1 overlay films, 1-2 wavy annulars thing, 2 sub-stents, 3 cinch cord A, 4 positioning rope A, 5 are received
Tight rope B, 6 positioning rope B, 7 fixing hole A, 8 fixing hole B.
Embodiment
Present invention is described in detail with reference to Figure of description and embodiment：
As shown in Figures 1 to 5：A kind of sustainer overlay film branch stent, it include being put in main support 1 in sustainer and
Located at the side-wall outer side of main support 1 and with the sub-stent 2 of the UNICOM of main support 1, described main support 1 includes overlay film 1-1 and support
Overlay film 1-1 some circle wavy annular thing 1-2, it is characterised in that：The wavy annular thing 1-2 pitch of waves and adjacent peaks and trough
The distance between be gradually incremented by by the Inside To Outside of bow shape so that main support 1 deploy naturally after shape in bow shape, divide
Support 2 includes sub-stent overlay film and supports the Telescopic spring structure of sub-stent overlay film, bottom and the main support 1 of sub-stent 2
Side-wall outer side is connected, and wavy annular thing 1-2 enables main support 1 main support 1 is tightened to mouth by several tightening devices
Footpath reduces and maintained the state tightened up；Spring structure enables sub-stent 2 sub-stent is compressed and is maintained by a compression set
Compressive state.
Described sub-stent is 1 to 3；The distance between wavy annular thing 1-2 pitch of waves and adjacent peaks and trough
Gradually it is incremented by by the Inside To Outside of bow shape so that the tension force in the outside of main support 1 is more than the tension force of inner side, so that main support
1 can naturally curve bow shape, and the sustainer overlay film branch stent is in bow shape because of its main support itself, so when its implantation
When in sustainer, bow shape will not be deliberately bent to because of to be adapted with the shape of sustainer, also would not be to sustainer
Pressure is brought, so sustainer will not be damaged.The sustainer overlay film branch stent is before implantation sustainer, and main support is in and tightened up
State, sub-stent is in compressive state as shown in figure 1, main support 1 is tightened up and shaped by several tightening devices, makes main support
1 keeps tightening state and the holding fixation of the caliber size of main support 1, and sub-stent 2 is compressed and locked by a compression set
Tightly so that sub-stent 2 keeps compressive state, such design is easy to the sustainer overlay film branch stent to be smoothly implanted into sustainer
In.
Described tightening device includes cinch cord A3 and positioning rope A4, if forward and backward two sections of the cinch cord A3 are provided with
A fixing hole A7 is done, the cinch cord A3 and positioning rope A4 matching relationship is：Cinch cord A3 is set around the main support 1 tightened up
Periphery so that some fixing hole A7 on cinch cord A3 leading portions and some fixing hole A7 phase mutual respects on cinch cord A3 back segments
Folded, positioning rope A4 passes through the two fixing holes A7, main support 1 is maintained the state tightened up.
Degree is tightened up by tightening up cinch cord A3, and by positioning rope A4 fixation cinch cords A3 so that main support bore contracts
The state that small and maintenance is tightened up so that main support can be adapted with sustainer, before implantation sustainer, the bore of main support can
To cooperate the state for being locked to minimum as shown in figure 1, so facilitating the sustainer to cover by cinch cord A3 and positioning rope A4
The implantation of film branch stent, when the sustainer overlay film branch stent is implanted to the correct position in sustainer, takes positioning rope away
A4, now cinch cord A3 be released, corresponding main support is released as shown in figure 5, so the present invention meets human anatomy master
Arch of aorta portion feature, can be adapted to different individuals, can at utmost meet individual difference, and the present invention passes through cinch cord A3
With positioning rope A4 cooperate to tighten up or discharge main support so that doctor when tightening up or discharging main support, operation more
It is convenient rapid, greatly save operating time.
Described compression set includes cinch cord B5 and positioning rope B6, if forward and backward two sections of the cinch cord B5 are provided with
A fixing hole B8 is done, the cinch cord B5 and positioning rope B6 matching relationship is：First sub-stent 2 is compressed, cinch cord B5 is bypassed
The sub-stent 2 of compression, and the main support 1 by tightening up so that some fixing hole B8 on cinch cord B5 leading portions is with tightening up
Some fixing hole B8 restricted on B5 back segments is overlapped, and positioning rope B6 passes through the two fixing holes B8, sub-stent 2 is kept compression
State.
During in sustainer overlay film branch stent implantation sustainer, originally effect of the sub-stent 2 in compression set
Down be in compressive state as shown in figure 1, sub-stent and main support be in compact state be easy to main support be implanted into sustainer, when point
Support is that will be close to when dividing blood vessel such as innominate artery of sustainer, takes positioning rope B6 away, now cinch cord B5 is released, accordingly
Sub-stent is also released, as shown in Figures 2 to 4, and because sub-stent has closed on a point blood vessel, and sub-stent is in release conditions, so
Sub-stent preferably blood vessel corresponding with sub-stent can be aligned, it is only necessary to finely tuned again, rotated main support, just can be accurate by sub-stent
It is determined that in branch vessel, being effectively prevented sub-stent and positioning bad so as to be distorted, fold, blocking blood vessel.
As shown in Figure 6,7：Cinch cord A3 and positioning rope A4 matching relationship；As shown in Figure 8,9：Cinch cord B5 and positioning rope
B6 matching relationship.
The occupation mode of the sustainer overlay film branch stent of the present invention is as follows：This sustainer overlay film branch stent is being used
Before, main support is in the presence of tightening device, and the bore of main support is in the state for being locked at minimum, while sub-stent is in compression
Compressive state is in the presence of device, the sustainer overlay film branch stent of compressive state is loaded into the conveying comprising adjusting rod
In device, sustainer overlay film branch stent is sent in sustainer with conveying device, when sub-stent is pointed to corresponding branch
During blood vessel, positioning rope B6 is taken away, now cinch cord B5 is released, corresponding sub-stent is also released, this when, sub-stent
Termination is substantially aligned or has charged into corresponding blood vessel, then by controlling implantation adjusting rod to adjust the position of sub-stent,
So that the termination of sub-stent is further aligned corresponding blood vessel, as shown in figure 4, afterwards again by discharging tightening up on main support
Device discharges main support as shown in figure 5, this when, the expansion of main support, sub-stent are further fed into corresponding blood
Guan Zhong, finally removes conveying device again.
During release, the release order of sub-stent and main support cannot be overturned, and first take positioning rope B6, energy away
Sub-stent is enough set preferably to be directed at the blood vessel corresponding with sub-stent, because this when, main support was in tightening state so that
The sustainer overlay film branch stent can arbitrarily be rotated under the control of implantation adjusting rod, mobile, the sub-stent one after release
Denier is directed at the mouth of pipe of corresponding blood vessel, main support is discharged this when, it is ensured that the entrance of sub-stent 100% is corresponding
Pipeline.If first discharging main support, now move again, rotate the sustainer overlay film branch stent and will become to be difficult, then it is unfavorable
Enter in branched pipe in point blood vessel.
Claims (3)
1. a kind of sustainer overlay film branch stent, it includes the main support (1) being put in sustainer and located at main support (1) side
On the outside of wall and with the sub-stent (2) of main support (1) UNICOM, described main support (1) includes overlay film (1-1) and support overlay film
Some circle wavy annular things (1-2) of (1-1), it is characterised in that：The pitch of waves and adjacent peaks and ripple of wavy annular thing (1-2)
The distance between paddy is gradually incremented by by the Inside To Outside of bow shape so that the shape after main support (1) deploys naturally is in bow
Shape, sub-stent (2) includes sub-stent overlay film and the telescopic spring structure of support sub-stent overlay film, the bottom of sub-stent (2)
It is connected with main support (1) side-wall outer side, wavy annular thing (1-2) makes main support (1) to make by several tightening devices
Main support (1) is tightened to bore and reduces and maintain the state tightened up；Spring structure makes sub-stent (2) can be by a compression set
Compress sub-stent and maintain compressive state.
2. sustainer overlay film branch stent according to claim 1, it is characterised in that：Described tightening device includes tightening up
Restrict A (3) and positioning rope A (4), and forward and backward two sections of the cinch cord A (3) are provided with several fixing holes A (7), the cinch cord
A (3) and positioning rope A (4) matching relationship is：Cinch cord A (3) is set around the periphery for the main support (1) tightened up so that positioned at receipts
Some fixing hole A (7) on some fixing hole A (7) and cinch cord A (3) back segment on tight rope A (3) leading portion is overlapped, positioning
The A (4) that restricts passes through the two fixing holes A (7), main support (1) is maintained the state tightened up.
3. sustainer overlay film branch stent according to claim 1, it is characterised in that：Described compression set includes tightening up
Restrict B (5) and positioning rope B (6), and forward and backward two sections of the cinch cord B (5) are provided with several fixing holes B (8), the cinch cord
B (5) and positioning rope B (6) matching relationship is：First by sub-stent (2) compress, cinch cord B (5) around overcompression sub-stent (2),
And the main support (1) by tightening up so that after some fixing hole B (8) and the cinch cord B (5) on cinch cord B (5) leading portion
Some fixing hole B (8) in section is overlapped, and positioning rope B (6) passes through the two fixing holes B (8), sub-stent (2) is kept pressure
Contracting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300430.4A CN105726165B (en) | 2016-05-09 | 2016-05-09 | A kind of sustainer overlay film branch stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300430.4A CN105726165B (en) | 2016-05-09 | 2016-05-09 | A kind of sustainer overlay film branch stent |
Publications (2)
| Publication Number | Publication Date |
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| CN105726165A CN105726165A (en) | 2016-07-06 |
| CN105726165B true CN105726165B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610300430.4A Active CN105726165B (en) | 2016-05-09 | 2016-05-09 | A kind of sustainer overlay film branch stent |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3048464A1 (en) * | 2016-10-10 | 2018-04-19 | Jeng Wei | Blood conduit with stent |
| CN108245280B (en) * | 2016-12-29 | 2021-02-23 | 先健科技(深圳)有限公司 | Covered stent |
| CN107242917B (en) * | 2017-07-05 | 2023-09-19 | 上海长海医院 | Stent graft |
| CN108210114B (en) * | 2018-01-18 | 2024-02-13 | 刘建强 | Intrahepatic bile duct tectorial membrane stent and use method thereof |
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| US9198787B2 (en) * | 2010-12-31 | 2015-12-01 | Cook Medical Technologies Llc | Conformable prosthesis delivery system and method for deployment thereof |
| US8968384B2 (en) * | 2012-04-27 | 2015-03-03 | Medtronic Vascular, Inc. | Circumferentially constraining sutures for a stent-graft |
| US10350096B2 (en) * | 2012-12-26 | 2019-07-16 | Cook Medical Technologies Llc | Expandable stent-graft system having diameter reducing connectors |
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| CN201026247Y (en) * | 2006-10-31 | 2008-02-27 | 许尚栋 | Complex of artificial blood vessel and artificial bracket blood vessel |
| CN101579267A (en) * | 2009-06-12 | 2009-11-18 | 陈良万 | Branch artificial blood vessel bracket applied in surgery |
| CN203841851U (en) * | 2014-02-21 | 2014-09-24 | 许尚栋 | Collateral-type covered stent |
| CN204521057U (en) * | 2015-03-12 | 2015-08-05 | 王东进 | Three branch's overlay film frames in a kind of art |
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| CN105726165A (en) | 2016-07-06 |
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