CN201814691U - Conveyor for side branch type covered stent - Google Patents
Conveyor for side branch type covered stent Download PDFInfo
- Publication number
- CN201814691U CN201814691U CN2010202952143U CN201020295214U CN201814691U CN 201814691 U CN201814691 U CN 201814691U CN 2010202952143 U CN2010202952143 U CN 2010202952143U CN 201020295214 U CN201020295214 U CN 201020295214U CN 201814691 U CN201814691 U CN 201814691U
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- CN
- China
- Prior art keywords
- side shoot
- seal wire
- side branch
- overlay film
- cover
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- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a conveyor (30) for a side branch type covered stent, which can accurately position and release a side branch, and comprises an outer sheath (40) and an auxiliary device (20), wherein the outer sheath (40) is used for containing the side branch type covered stent (10) after compression; and the auxiliary device (20) comprises a side branch sleeve (22) and a guide wire (24), the side branch sleeve (22) is cylindrical, comprises an open end (22a) and a closed end (22b) and is used for containing the side branch (16) after compression, the guide wire (24) axially penetrates from the middle of the side branch sleeve (22) and is fixed with the side branch sleeve (22) at the closed end (22b), the lower-section guide wire (24b) of the guide wire (24) penetrates into a main body (14) via an opening (16a) at the junction of the side branch (16) and the main body (14) for arrangement, and the upper-section guide wire (24a) of the guide wire (24) extends out of the side branch sleeve (22).
Description
Technical field
This utility model relates to medical instruments field, particularly has the carrier of the overlay film frame of side shoot.
Background technology
With overlay film frame be used for the treatment of arotic disease be in recent years the aorta surgery one greatly the progress, its indication has comprised dissection of aorta, aorta true aneurysm, aorta false aneurysm, aorta penetrating ulcer etc.This technology has alleviated operation wound greatly.Patient recovers faster.
Overlay film frame at present commonly used is a straight barrel type, has existed for the overlay film frame of this straight barrel type to be used for conveyer device that it is delivered to endaortic carrying method and matches.In addition, in order to improve the existing problem of straight barrel type overlay film frame, the side shoot type overlay film frame of side shoot has recently appearred again having.The head end that this side shoot type overlay film frame has columnar main body and is made of five petal shape bare bracket is being provided with the side shoot that is connected in main body near head end one side.Owing on rack body, be provided with side shoot, in the time of in it being implanted for example aorta, do not have in the prior art and the side shoot part accurately and successfully can be sent into specified endovascular carrier, thereby influenced the result of use of this overlay film frame.
Summary of the invention
The purpose of this utility model is, provides a kind of and the side shoot part of side shoot type overlay film frame accurately and successfully can be sent into specified endovascular carrier.
To achieve these goals, the side shoot type overlay film frame carrier that this utility model provides comprises: the epitheca pipe is used to hold compression side shoot type overlay film frame afterwards; Auxiliary device, it has: side shoot cover and seal wire, wherein, the side shoot cover is tubular, has opening and blind end, is used to hold compression side shoot afterwards; Seal wire passes and fixes at blind end with it in the middle of side shoot cover vertically, and the hypomere seal wire of described seal wire penetrates to main body via the opening of side shoot and main body junction and is provided with, and the epimere seal wire of described seal wire extends the side shoot cover.
Owing to be provided with the auxiliary device that constitutes by seal wire and side shoot cover, like this when side shoot being positioned by the outward extending epimere seal wire of blind end of pulling from the side shoot cover, when for example side shoot being drawn in predetermined left subclavian artery, the hypomere seal wire that extends to opening one side from the blind end of side shoot cover can be before main body is released can not thrown off because of the effect of frictional force is wrapped in the epitheca pipe firmly by main body, thereby can successfully side shoot be imported in the predetermined blood vessel; After main body was released, the hypomere seal wire no longer was subjected to the effect of frictional force, and can discharge side shoot like a cork by pulling epimere seal wire this moment again.Side shoot type overlay film frame carrier of the present utility model can position side shoot and discharge exactly, and is simple in structure, easy operating.
Described seal wire is preferably the seal wire of metal material.
When thereby pulling epimere seal wire makes the side shoot that is enclosed with side shoot cover in the process that predetermined blood vessel positions, the hypomere seal wire can be compressed under the state of putting into effect because of frictional force in main body and is being wrapped in the epitheca pipe firmly by main body and can not throw off.
Preferably, described side shoot cover dwindles to the blind end diameter gradually from opening.
Like this, when discharging side shoot, side shoot is easy to deviate from the side shoot cover.In addition, after support discharged fully, the side shoot cover can be withdrawn from external very like a cork.
The preferred medical high polymer soft material that adopts of described side shoot cover is made.
The side shoot cover is made by the medical high polymer soft material, and softness also has certain intensity, and can guarantee can be because of stressed thermal enlargement distortion after the side shoot with collateral covered graft-stent wraps up as far as possible.
It is a kind of with pack into the method for above-mentioned carrier of side shoot type overlay film frame that this utility model also provides, and comprises step: the hypomere seal wire that will extend to opening one side from the blind end of side shoot cover penetrates to main body via the opening of side shoot to be kept somewhere; With side shoot compression and insert in the side shoot cover; Together insert in the epitheca pipe with the main body compression and together with the hypomere seal wire of keeping somewhere within it; The side shoot cover that accommodates side shoot is inserted in the described epitheca pipe.
This utility model also provides a kind of will comprise step according to the side shoot type overlay film frame method for releasing in blood vessel in the mounted carrier of said method: the carrier that side shoot type overlay film frame will be housed is in advance inserted in the blood vessel to be repaired and is positioned; Pulling epimere seal wire makes the side shoot cover that is enclosed with side shoot enter fully in the predetermined blood vessel; Discharge main body, it is expanded outwardly under self elastic reaction; Pulling epimere seal wire makes side shoot break away from from the side shoot cover, discharges side shoot fully; Withdraw from carrier.
Description of drawings
Fig. 1 is the structural representation of side shoot type overlay film frame to be carried;
Fig. 2 is the structural representation that the side shoot type overlay film frame carrier of the present utility model of side shoot type overlay film frame shown in Figure 1 is housed;
Fig. 3 is the structural representation according to the auxiliary device in the side shoot type overlay film frame carrier of the present utility model;
Fig. 4 to Fig. 7 is the sketch map that adopts the process that side shoot type overlay film frame carrier of the present utility model progressively discharges overlay film frame in operation;
The employing that Fig. 8 is side shoot type of the present utility model overlay film frame carrier is transported to state diagram when specifying side shoot in the blood vessel process to locate but not discharge as yet with overlay film frame.
The specific embodiment
With reference to the accompanying drawings the specific embodiment of the present utility model is elaborated.
As shown in Figure 1, collateral covered graft-stent 10 to be carried comprises: prop the head end 12 that 12a constitutes for five by bare bracket, with with this head end 12 one and cylindrical circular main body 14, be provided with the side shoot 16 of cardinal principle perpendicular to main body 14 near head end 12 1 sides, wherein side shoot 16 can adopt flexible material so that side shoot 16 can be arbitrarily angled with main body 14 with the junction of main body 14.
As shown in Figure 2, side shoot type overlay film frame carrier 30 of the present utility model comprises: the epitheca pipe 40 that is used to hold compression side shoot type overlay film frame 10 afterwards; With auxiliary device 20.
Fig. 3 is the structural representation of auxiliary device 20, and this auxiliary device 20 comprises: side shoot cover 22 and seal wire 24, wherein, side shoot cover 22 is approximate tubular, as also can be for approximate taper so that pulling when discharging has opening 22a and blind end 22b, be used to hold the side shoot 16 after the compression; Seal wire 24 passes and fixes at blind end 22b with it in the middle of side shoot cover 22 vertically.
As shown in Figure 3, seal wire 24 is divided into epimere seal wire 24a and hypomere seal wire 24b, and wherein epimere seal wire 24a begins to stretch out from the blind end 22b of side shoot cover 22; Hypomere seal wire 24b begins to extend to opening 22a one side from blind end 22b.This epimere seal wire 24a and hypomere seal wire 24b can be one whole seal wires, and this moment, side shoot overlapped 22 blind end 22b perforate, and this one whole seal wire 24 passes and fixes with side shoot cover 22 from perforate; Also epimere seal wire 24a and hypomere seal wire 24b can be overlapped 22 blind end 22b from the outside and the inboard side shoot that is fixed on respectively.
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3 description side shoot type overlay film frame 10 is packed into according to the method for side shoot type overlay film frame carrier 30 of the present utility model:
At first, hypomere seal wire 24b is penetrated to 14 interior indwellings of main body via the opening 16a of side shoot 16;
Then, side shoot 16 compressions are also inserted in the side shoot cover 22 fully;
Together insert in the epitheca pipe 40 with main body 14 compressions and together with the hypomere seal wire 24b that keeps somewhere within it;
At last, the side shoot cover 22 that accommodates side shoot 16 is inserted in the described epitheca pipe 40.
As shown in Figure 2, after installing, the side shoot cover 22 that is enclosed with side shoot 16 is wrapped in the epitheca pipe 40 together with the main body of compressing 14, and epimere seal wire 24a then is retained in outside the carrier 30.In addition, clear in order to represent among the figure, main body 14 and side shoot 16 all illustrate with uncompressed state.
Below with reference to Fig. 4 to Fig. 8, be example so that side shoot type overlay film frame carrier 30 is applied in the operation on aorta, the dispose procedure of side shoot type overlay film frame carrier 30 of the present utility model is described.In this embodiment, as shown in Figure 8, on aortic arch 110,, has cut to be repaired 106 near left subclavian artery 108 opening parts.
At first, insert the carrier 30 (Fig. 4) that side shoot type overlay film frame 10 is housed in advance in the blood vessel to be repaired and position, in this specific embodiment, to be reserved in the iliac artery of the outer epimere seal wire 24a of carrier 30 earlier from continuing mutually with aortic arch 110 far-ends, drive in the wrong direction in the femoral artery and pass, and stretch out external with the brachial artery opening part that continues from left subclavian artery 108 far-ends, again carrier 30 integral body are inserted in the aortic arch to be repaired 110, and the feasible blind end 22b (Fig. 4) that the side shoot cover 22 of side shoot 16 is housed is positioned at left subclavian artery 108 in the position of aortic arch 110 upper sheds (referring to Fig. 8).
Remove the epitheca pipe 40 of carrier 30 slight time, spur the epimere seal wire 24a of auxiliary device 20 simultaneously, make the side shoot cover 22 that is enclosed with side shoot 16 in epitheca pipe 40, eject, and enter left subclavian artery 108 interior (referring to Fig. 8) fully.At this moment, the side shoot cover 22 that is enclosed with side shoot 16 is in the state (Fig. 5) of cardinal principle perpendicular to main body 14, and the holder part of side shoot below 16 still is compressive state on the main body 14, stays in the epitheca pipe 40.
Discharge main body 14, it is expanded outwardly under self elastic reaction, thereby fit, referring to Fig. 8 with aortic arch 110 inwalls.At this moment, side shoot cover 22 still is in package status (Fig. 6).
Pulling epimere seal wire 24a makes side shoot 16 break away from from side shoot cover 22, discharges side shoot 16 (Fig. 7) fully.
Withdraw from carrier 30, withdraw from auxiliary device 20 from the brachial artery opening part simultaneously.
Owing to be provided with by seal wire 24 and side shoot cover 22 auxiliary device that constitute 20, like this when side shoot 16 being positioned (side shoot 16 is drawn in left subclavian artery 108) by pulling epimere seal wire 24a, hypomere seal wire 24b can be before main body 14 is released can not throw off because of the effect of frictional force is wrapped in the epitheca pipe 40 firmly by main body 14, thereby the side shoots 16 that can successfully will be overlapped 22 parcels by side shoot import in the predetermined blood vessel; After main body 14 was released, hypomere seal wire 24b no longer was subjected to the effect of frictional force, and can discharge side shoot 16 like a cork by pulling epimere seal wire 24a this moment again.
Side shoot type overlay film frame carrier 30 of the present utility model can position side shoot and discharge exactly, and is simple in structure, easy operating.
In addition, side shoot cover 22 is preferably made by the medical high polymer soft material, and softness also has certain intensity, and can guarantee can be because of stressed thermal enlargement distortion after the side shoot 16 with collateral covered graft-stent 10 wraps up as far as possible.In addition, preferably side shoot cover 22 is constituted from opening 22a to the diminishing pyramidal structure of blind end 12b diameter.Like this, when discharging side shoot 16, side shoot 16 is easy to deviate from side shoot cover 12, and is easy to auxiliary device 20 and withdraws from external.
The seal wire 24 preferred big tinsels of coefficient of friction that adopt, perhaps seal wire 24, especially its hypomere seal wire 24b diameter are big slightly, even seal wire 24, especially its hypomere seal wire 24b cross section can be ellipse or rectangle, with when placing compressed main body, thereby stressed on a certain direction in its cross section can have bigger frictional force.With box lunch pulling epimere seal wire 24a make the side shoot cover 22 that is enclosed with side shoot 16 enter predetermined blood vessel (left subclavian artery 108) thus in the process that positions, hypomere seal wire 24b can be compressed under the state of putting into effect because of frictional force in main body 14 and is being wrapped in epitheca pipe 40 firmly by main body 14 and can not throw off.
The above only is two better embodiment of the present utility model; can not be in order to show this utility model; all any modifications of between spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all because of being included within the protection domain of the present utility model.
Claims (3)
1. a side shoot type overlay film frame carrier is characterized in that, comprising:
Epitheca pipe (40) is used to hold compression side shoot type overlay film frame (10) afterwards;
Auxiliary device (20), it has: side shoot cover (22) and seal wire (24), wherein, side shoot cover (22) is a tubular, has opening (22a) and blind end (22b), is used to hold compression side shoot (16) afterwards; Seal wire (24) passes and fixes at blind end (22b) with it in the middle of side shoot cover (22) vertically, the hypomere seal wire (24b) of described seal wire (24) penetrates to the interior setting of main body (14) via the opening (16a) of side shoot (16) with main body (14) junction, and the epimere seal wire (24a) of described seal wire (24) extends side shoot cover (22).
2. side shoot type overlay film frame carrier according to claim 1 is characterized in that, hypomere seal wire (24b) cross section of described seal wire (24) is ellipse or rectangle.
3. side shoot type overlay film frame carrier according to claim 1 and 2 is characterized in that described side shoot cover (22) dwindles to blind end (22b) diameter gradually from opening (22a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202952143U CN201814691U (en) | 2010-08-13 | 2010-08-13 | Conveyor for side branch type covered stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202952143U CN201814691U (en) | 2010-08-13 | 2010-08-13 | Conveyor for side branch type covered stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201814691U true CN201814691U (en) | 2011-05-04 |
Family
ID=43912662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202952143U Expired - Lifetime CN201814691U (en) | 2010-08-13 | 2010-08-13 | Conveyor for side branch type covered stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201814691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102370532A (en) * | 2010-08-13 | 2012-03-14 | 黄连军 | Collateral type tectorial membrane support frame conveyor as well as installing method and release method thereof |
| CN113017952A (en) * | 2021-05-26 | 2021-06-25 | 上海微创心脉医疗科技(集团)股份有限公司 | Branch sheath and delivery system |
-
2010
- 2010-08-13 CN CN2010202952143U patent/CN201814691U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102370532A (en) * | 2010-08-13 | 2012-03-14 | 黄连军 | Collateral type tectorial membrane support frame conveyor as well as installing method and release method thereof |
| CN102370532B (en) * | 2010-08-13 | 2015-06-17 | 黄连军 | Collateral type tectorial membrane support frame conveyor as well as installing method |
| CN113017952A (en) * | 2021-05-26 | 2021-06-25 | 上海微创心脉医疗科技(集团)股份有限公司 | Branch sheath and delivery system |
| CN113017952B (en) * | 2021-05-26 | 2021-10-08 | 上海微创心脉医疗科技(集团)股份有限公司 | Branch sheath and delivery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |
|
| CX01 | Expiry of patent term |