CN206543190U - A kind of occluder for left auricle and left atrial appendage occlusion device - Google Patents
A kind of occluder for left auricle and left atrial appendage occlusion device Download PDFInfo
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- CN206543190U CN206543190U CN201621086664.5U CN201621086664U CN206543190U CN 206543190 U CN206543190 U CN 206543190U CN 201621086664 U CN201621086664 U CN 201621086664U CN 206543190 U CN206543190 U CN 206543190U
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- occluder
- left auricle
- support
- support frame
- anchor
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Abstract
The utility model provides a kind of occluder for left auricle and left atrial appendage occlusion device, belongs to technical field of medical instruments.Wherein, occluder for left auricle includes jointing, support frame and choked flow film.Support frame includes many support girders, and one end of many support girders is collected to form first end, and jointing is installed on first end, and the homonymy of the other end towards the first end of many support girders stretches out and is bent to form the second end towards outside.Choked flow film coats first end and week portion.This device employs above-mentioned occluder for left auricle, the homonymy of the other end of many support girders towards first end stretches out and is bent to form the second end towards outside, form hook, occluder for left auricle is fixed on left auricle of heart inwall, fastness is strong, and security is good, and implantation process is controllable and plugging device is easy to reclaim, the hook thing that it is fixed adapts to the left auricle of heart in most of shapes and depth in the second end.
Description
Technical field
The utility model is related to technical field of medical instruments, in particular to a kind of occluder for left auricle and the left heart
Ear plugging device.
Background technology
Atrial fibrillation is a kind of common arrhythmia cordis disease, and there are 10,000,000 or so patients with atrial fibrillation, patients with atrial fibrillation in current China
The Hazard ratio normal person for occurring cerebral apoplexy is more five times, can significantly reduce atrial fibrillation trouble using oral anticoagulation things such as warfarins in the past
There is many defects and inconvenience in the application that the medicines such as the risk of ishemic stroke, but warfarin occur for person, significantly limit this
The clinical practice of a little anticoagulants.The thrombus that research shows patients with atrial fibrillation and has 90% derives from left auricle of heart, therefore closure left auricle of heart
It is a kind of basic treatment method to prevent and treat atrial fibrillation palsy, postoperative Long-term also demonstrate that left atrial appendage occlusion exists
It is better than warfarin in validity.Therefore based on the defect on medicine and the development of minimal invasive techniques in recent years, percutaneously and conduit is minimally invasive
Closure left auricle of heart by be prevent patients with atrial fibrillation thromboembolism new technology.
The occluder for left auricle of prior art is broadly divided into two classes, and a class is the plug disc type envelope that left auricle of heart is blocked by knitting disc
Device is blocked up, its defect existed is:The bicuspid valve and left superior pulmonary vein on larger card influence auricle periphery;Need more permanent interior
The skin time, postoperative duration is added, add patient follow-up bleeding risk and medical burden.Another kind of is by stoppering
Left auricle of heart realizes the plug type plugging device of closure, and its defect existed is:It is not easy to push toward distal end after plugging device expansion, for
Plugging device after most of expansion not completely into left auricle of heart, can only reclaim repositioning and reinflated;Barb structure is not easy to
The recovery of plugging device;Apparatus structure has longer length in itself, can not be used than shallower left auricle of heart for a part.
Utility model content
The purpose of this utility model is to provide a kind of occluder for left auricle, and the fix tightly solidity of occluder for left auricle is strong,
Security is good, and is easy to reclaim, and disclosure satisfy that the left auricle of heart of the different depth of patient.
Another object of the present utility model is to provide a kind of left atrial appendage occlusion device, the fix tightly of its occluder for left auricle
Solidity is strong, and security is good, and is easy to reclaim, and disclosure satisfy that the left auricle of heart of the different depth of patient.
The utility model is realized using following technical scheme:
A kind of occluder for left auricle, including jointing, support frame and choked flow film.Support frame have first end,
The second end and all portions being connected between first end and the second end.Support frame includes many support girders, many
One end of support girder is collected to form first end, and jointing is installed on first end, the other end court of many support girders
Stretched out to the homonymy of first end and be bent to form the second end towards outside.Choked flow film coats first end and week portion.
A kind of left atrial appendage occlusion device, including conveying lever, above-mentioned occluder for left auricle and for storing conveying lever and a left side
The conveying sheath of atrial appendage occlusion device.Conveying lever be sheathed on conveying it is intrathecal, conveying lever is connected with jointing.
The occluder for left auricle of preferred embodiment offer of the present utility model and its beneficial effect of device are:
The occluder for left auricle that the utility model is provided, one end of many support girders is collected to form first end, connects
Joint is installed on first end, is connected by jointing with conveying lever, facilitates the conveying of occluder for left auricle.Many supports are small
The homonymy of the other end of beam towards first end stretches out and is bent to form the second end towards outside, while being connected to first end
All portions between the second end make support frame formation plug type occluder for left auricle, while the remote first end of support girder
The one end in portion is stretched out towards the homonymy of first end and towards outside bending, forms anti-for the fillet of fixing occluder for left auricle
The hook thing turned, that is, play the anti-pawl of dominant anchor, occluder for left auricle is firmly fixed on the left auricle of heart of patient, and
Hook thing is located at the second end of occluder for left auricle, due to the hook of the second end fillet reversion after occluder for left auricle expansion
Thing is that anti-pawl will not puncture auricle inwall, therefore it can directly push to adjust the position of occluder for left auricle, it is not necessary to carried out
Reclaim repositioning, operating process simple and flexible;Meanwhile, the formation of hook thing makes occluder for left auricle from first end to the second end
The distance in portion reduces, and disclosure satisfy that the left auricle of heart of the different depth of patient, patient is treated, and its closure to left auricle of heart is imitated
Fruit is safely, effectively.Choked flow film coats first end and week portion, and the anti-tampon of setting of choked flow film is followed from gap by entering blood
Ring.
In addition, the jointing of above-mentioned occluder for left auricle is connected with conveying lever, conveying lever and occluder for left auricle are carried out
Between connection, occluder for left auricle is transported by conveying lever.Conveying sheath is used to store conveying lever and left auricle of heart envelope
Stifled device, before occluder for left auricle is put in into left auricle of heart, occluder for left auricle is intrathecal positioned at conveying, and will convey sheath to away from even
When one end of joint is pulled, occluder for left auricle is set to depart from conveying sheath, support frame gradually expands into original form,
Left auricle of heart is blocked.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Protection domain of the present utility model is fallen within to obtain other related accompanying drawings according to these accompanying drawings.
The structural representation for the left atrial appendage occlusion device that Fig. 1 provides for embodiment of the present utility model;
The structural representation of occluder for left auricle in the left atrial appendage occlusion device that Fig. 2 provides for embodiment of the present utility model
Figure;
Knot in the left atrial appendage occlusion device that Fig. 3 provides for embodiment of the present utility model under first visual angle of support frame
Structure schematic diagram;
Knot in the left atrial appendage occlusion device that Fig. 4 provides for embodiment of the present utility model under second visual angle of support frame
Structure schematic diagram;
The structural representation for the left atrial appendage occlusion device medium-height trestle girder that Fig. 5 provides for embodiment of the present utility model;
The bearing of trend of sophisticated anchor thorn and support in the left atrial appendage occlusion device that Fig. 6 provides for embodiment of the present utility model
The angle schematic diagram of the axis of skeleton;
In the left atrial appendage occlusion device that Fig. 7 provides for embodiment of the present utility model week portion's anchor thorn bearing of trend and support
The angle schematic diagram of the axis of skeleton.
Icon:100- left atrial appendage occlusion devices;110- conveying levers;120- conveys sheath;130- occluder for left auricle;140- branch
Support bone frame;160- choked flow films;141- first ends;142- the second ends;143- weeks portion;144- jointings;145- weeks portion's anchor
Thorn;150- support girders;The side poles of 151- first;152- connecting rods;153- weeks portion's bar;The side poles of 154- second;155- fixing points;
156- claws;157- tips anchor thorn.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
Embodiment
The structural representation for the left atrial appendage occlusion device 100 that Fig. 1 provides for the present embodiment.Referring to Fig. 1, the present embodiment
In, left atrial appendage occlusion device 100 includes conveying lever 110, conveying sheath 120 and occluder for left auricle 130.
The structural representation of occluder for left auricle 130 in the left atrial appendage occlusion device 100 that Fig. 2 provides for the present embodiment.Please
Refer in the lump in Fig. 1 and Fig. 2, the present embodiment, occluder for left auricle 130 includes jointing 144, support frame 140 and choked flow
Film 160.Structural representation in the left atrial appendage occlusion device 100 that Fig. 3 provides for the present embodiment under the first visual angle of support frame 140
Structural representation in figure, the left atrial appendage occlusion device 100 that Fig. 4 provides for the present embodiment under the second visual angle of support frame 140.
Also referring to Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, support frame 140 have first end 141, the second end 142 and
All portions 143 between first end 141 and the second end 142 are connected to, support frame 140 includes many support girders 150, many
One end of root support girder 150 is collected to form first end 141, and jointing 144 is installed on first end 141, jointing
144 are connected with conveying lever 110, carry out conveying lever 110 and the installation of occluder for left auricle 130, and occluder for left auricle 130 can pass through
Conveying lever 110 is transported, and aids in the installation of occluder for left auricle 130.It is preferably provided with:Jointing 144 is drive screw, spiral shell
Peg is provided with internal thread, and the end of conveying lever 110 is provided with the external screw thread matched with internal thread, makes drive screw and conveying lever
110 threaded connections, make the connection of conveying lever 110 more firm.
Please continue to refer to Fig. 1, in the present embodiment, conveying sheath 120 is used to store conveying lever 110 and occluder for left auricle
130, conveying lever 110 is sheathed in conveying sheath 120, and conveying sheath 120 has accommodating chamber, when occluder for left auricle 130 is put in into a left side
Before auricle, occluder for left auricle 130 is located in the accommodating chamber of conveying sheath 120, by conveying sheath 120 to away from jointing 144
One end when pull, occluder for left auricle 130 is departed from conveying sheath 120, support frame 140 gradually expands into original shape
State, is blocked to left auricle of heart.
Please continue to refer to Fig. 3, in the present embodiment, support frame 140 is formed by Ultimum Ti cutting, and nickel-titanium memory is closed
Gold utensil has after metal material deformation, the property of the shape before can recovering.In the present embodiment, support frame 140 is by 10
Support girder 150 is formed, and Ultimum Ti cutting forms support frame 140, and support frame 140 is engraved structure, by the left heart
When ear plugging device 130 is delivered to the left auricle of heart of patient, the negligible amounts of support girder 150 make support frame 140 itself
Endothelialization area is small, and the fibrohistiocytic that its endothelialization needs to climb and grown is reduced, and the time of endothelialization is short, reduces art
Administration time, reduces the follow-up bleeding risk of patient, alleviates the medical burden of patient afterwards.
Please continue to refer to Fig. 3, in the present embodiment, every support girder 150 is set around the axis interval of jointing 144
Put, make stress equalization between every support girder 150 of support frame 140, improve the intensity of support frame 140, support frame
140 structure is more stablized, and left atrial appendage occlusion device 100 will not be collapsed during use.
Please continue to refer to Fig. 3, in the present embodiment, the axis of jointing 144 and the axis collinear of support frame 140.By
Formed in support frame 140 by Ultimum Ti cutting, so, first end 141 is become from center to surrounding is uneven
The three-dimensional arc surface of change, jointing 144 is installed on the center of first end 141, occluder for left auricle 130 open completely with
Afterwards, the structure of support frame 140 is more stablized, while the position of the axisymmetrical relative to support frame 140, its stress is put down
Weighing apparatus, adds the intensity of support frame 140, during operation, more preferable plugging action can be played to left auricle of heart.
Please continue to refer to Fig. 3, in the present embodiment, one end of the remote first end 141 of many support girders 150 is towards the
The homonymy of one end 141 stretches out and is bent to form the second end 142, connection first end 141 and the second end 142 towards outside
Between part be week portion 143, all portions 143 are the class cylinder of hollow out, and occluder for left auricle 130 is plug type plugging device, is made
The effect of the closure left auricle of heart of occluder for left auricle 130 is more preferable.One end court of the remote first end 141 of many support girders 150
Stretched out to the homonymy of first end 141, i.e., many support girders 150 are located at the homonymy of jointing 144, many support girders
One end of 150 remote first end 141 is bent towards outside, i.e. its axis direction bending for being directed away from jointing 144,
Form the hook thing for fixing occluder for left auricle 130.After occluder for left auricle 130 is implanted into the left auricle of heart of patient, make
Occluder for left auricle 130 is firmly fixed on the left auricle of heart of patient, and hook thing is located at the second end of occluder for left auricle 130
Portion 142 is the hook thing that fillet is inverted so that occluder for left auricle 130 directly can push to adjust occluder for left auricle after deploying
130 position, it is not necessary to carry out recovery repositioning, operating process simple and flexible;Meanwhile, the formation of hook thing makes left atrial appendage occlusion
Device 130 reduces from first end 141 to the distance of the second end 142, disclosure satisfy that the depth of the left auricle of heart of different patients, right
Patient is treated, and its plugging effect to left auricle of heart is safely, effectively.
Please continue to refer to Fig. 3, in the present embodiment, it is preferably provided with:All portions 143 are recessed towards the axis direction of support frame 140
Fall into, make support frame 140 when being blocked to left auricle of heart, there is sunk part to make the interior of support frame 140 itself in all portions 143
Skin area is smaller, and the fibrohistiocytic that its endothelialization needs to climb and grown is reduced, and the time of endothelialization is shorter, reduces
The postoperative time, the follow-up bleeding risk of patient is reduced, the medical burden of patient is alleviated.
The structural representation for the medium-height trestle girder 150 of left atrial appendage occlusion device 100 that Fig. 5 provides for the present embodiment.Please in the lump
Refering to Fig. 3 and Fig. 5, in the present embodiment, every support girder 150 includes the first side pole 151 and two connecting rods 152, every company
Extension bar 152 includes week portion's bar 153 and the second side pole 154 being connected with all portion's bars 153.The company of all side poles 154 of portion's bar 153 and second
It is fixing point 155 to meet place, and one end of the first side pole 151 is collected to form above-mentioned first end 141, the other end and two weeks portion's bar
One end connection of 153 remote fixing point 155, one end of the remote fixing point 155 of two second side poles 154 is towards first end
141 homonymy stretches out and is bent towards outside and connect to form claw 156 in end, for occluder for left auricle 130 to be fixed
At the left auricle of heart of patient, it can effectively prevent the displacement after the implantation of occluder for left auricle 130 and come off.Every support girder
150 two fixing points 155 are connected with a fixing point 155 of two support girders 150 adjacent thereto and form week respectively
Portion 143, increases the intensity in all portions 143, the effect of power is stronger between adjacent support girder 150, the support of support frame 140
There is annexation between girder 150, form network structure, be easy to the contraction or expansion of support frame 140, sealed beneficial to left auricle of heart
The recovery and repositioning of stifled device 130.
Continuing with referring to Fig. 3 and Fig. 5, in the present embodiment, two second side poles 154 of every support girder 150 in the lump
One end end away from fixing point 155 connects to form sophisticated anchor thorn 157, the fixing point 155 of every second side pole 154 and sophisticated anchor
Equal arc transition between thorn 157, the second side pole 154 is directed away from the direction bending of the axis of support frame 140, makes its sophisticated anchor
The direction extension towards first end 141 at 157 is pierced, the hook thing of arc-shaped makes occluder for left auricle 130 be more prone to fixed
At the left auricle of heart of patient, meanwhile, when occluder for left auricle 130 is implanted at the left auricle of heart of patient, the second end 142 is stretched
Enter the second side pole 154 formation arc structure at left auricle of heart, the second end 142, support frame 140 is also entered after deployment
Row is pushed, if the positioning of occluder for left auricle 130 is inaccurate, can directly push to adjust the position of occluder for left auricle 130,
Recovery repositioning need not be carried out, the number of times of repetition release is reduced, reduces cumbersome degree and the difficulty in operating process, effectively
The probability of adverse events generation is reduced, the operating efficiency of doctor is improved.
It is preferably provided with:Sophisticated anchor thorn 157 in the left atrial appendage occlusion device 100 that Fig. 6 provides for embodiment of the present utility model
Bearing of trend and support frame 140 axis angle α schematic diagram.Also referring to Fig. 5 and Fig. 6, in the present embodiment, tip
The bearing of trend of anchor thorn 157 is advisable with the angle α of the axis of support frame 140 for 120 ° -150 °.If angle α is excessive, claw
156 are not easily pluggable into the left auricle of heart tissue around it, if angle α is between 90 ° to 120 °, and grappling resistance is too small to be risen
To corresponding fixed effect, so, angle α, which is 120 ° -150 °, makes the easy histocytes inserted at left auricle of heart of claw 156 simultaneously
It is unlikely to puncture auricle and grappling resistance will not be too small, preferably occluder for left auricle 130 is fixed.Preferably embodiment party
Formula is:The angle α of the bearing of trend of sophisticated anchor thorn 157 and the axis of support frame 140 is 135 °.
One end of the remote fixing point 155 of each tip anchor thorn 157 is the fillet that radius is 0.03mm-0.04mm, tip
Anchor thorn 157 is easier to enter tissue, carries out the grappling of occluder for left auricle 130.It is preferably provided with:Adjacent two support girders 150
Claw 156 it is of different sizes, i.e., claw 156 on support frame 140 has two kinds of sizes, i.e., adjacent two support girders 150
The radius of circular arc that is bent to form of the second side pole 154 it is different, the circular arc of two second side poles 154 formation of support girder 150
Radius be 0.8mm, the radius of the circular arc of two second side poles 154 formation of adjacent support girder 150 is 1.2mm, and its
It is arranged at intervals.The second end 142 of support frame 140 has various sizes of claw 156, increase occluder for left auricle 130
Using scope, make the fixed effect of occluder for left auricle 130 more preferable.
Continuing with referring in the lump in Fig. 3 and Fig. 5, the present embodiment, all portion's anchor thorns 145 are provided with each fixing point 155,
All portion's anchor thorns 145 extend towards the direction of first end 141, and all portion's anchor thorn 145 and claw 156 can be to occluder for left auricle
130 are fixed, and the fixed effect of occluder for left auricle 130 is further strengthened in the setting of all portion's anchor thorns 145, makes left atrial appendage occlusion
Device 130 will not be fallen off.
It is preferably provided with:In the left atrial appendage occlusion device 100 that Fig. 7 provides for embodiment of the present utility model week portion's anchor thorn 145
Bearing of trend and support frame 140 axis angle β schematic diagrames.Also referring to Fig. 3 and Fig. 7, in the present embodiment, all portions
The angle β of bearing of trend and the axis of support frame 140 of anchor thorn 145 is advisable for 120 ° -150 °, i.e., week portion's anchor pierces 145 and prolonged
It is consistent with the bearing of trend direction that the sophisticated anchor of the second side pole 154 pierces 157 to stretch direction.If angle β is excessive, week portion's anchor thorn 145
It is not easily pluggable into the left auricle of heart tissue around all portion's anchor thorns 145, if angle β is between 90 ° to 120 °, grappling resistance is too small
Corresponding fixed effect can not be played, so, angle β is 120 ° -150 ° groups for making all portion's anchor thorns 145 easily insert at left auricle of heart
Cell is knitted while being unlikely to puncture auricle and grappling resistance will not be too small, preferably occluder for left auricle 130 is fixed.Compared with
Good ground embodiment is:The angle β of the bearing of trend of all portion's anchor thorns 145 and the axis of support frame 140 is 135 °.
Similar embodiment is also possible that a fixing point 155 of every support girder 150 sets all portion's anchor thorns 145,
I.e. in the present embodiment, support frame 140 is made up of 10 support girders 150, then only sets 5 week portion on its support frame 140
Anchor thorn 145, can also play further fixed effect while the recovery resistance of apparatus can be reduced to occluder for left auricle 130.
Please continue to refer to Fig. 3 and Fig. 5, the length of all portion's anchor thorns 145 is less than the length of sophisticated anchor thorn 157, all portion's anchor thorns 145
The fixed effect of corresponding auxiliary is played, makes the fixed effect of occluder for left auricle 130 more preferable, meanwhile, occluder for left auricle 130
It can directly push to adjust the position of occluder for left auricle 130 after expansion, the setting of all portion's anchor thorns 145 does not interfere with medical personnel
The position of occluder for left auricle 130 is adjusted, also will not significantly increase the recovery resistance of occluder for left auricle 130, make operation more
It is convenient.
Continuing with referring in the lump in Fig. 2 and Fig. 3, the present embodiment, the material of choked flow film 160 is PET (poly terephthalic acid second
Diol ester) material, choked flow film 160 is PET woven cloths, and it is 100 μm -300 μm that it, which weaves hole, and thickness is 150 μm -200 μm.Make
Blood can pass through hole, it is possible to which effective anti-tampon is from hole by entering blood circulation.The cladding of choked flow film 160 first
In end 141 and week portion 143, the present embodiment, the choked flow film 160 at first end 141 is closing, and choked flow film 160 is in all portions
One end of 143 remote first end 141 forms opening, and the one end of choked flow film 160 away from first end 141 was sewn to close to week
The position of portion's anchor thorn 145, i.e., can be such that choked flow film 160 coats securely with that outside support frame 140, all portion's anchors can be avoided to pierce again
145 pass through choked flow film 160, so as to avoid causing the damage of choked flow film 160.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of occluder for left auricle, it is characterised in that including jointing, support frame and choked flow film, the support frame
With first end, the second end and all portions being connected between the first end and the second end, the support
Skeleton includes many support girders, and one end of many support girders is collected to form the first end, the jointing
It is installed on the first end, the homonymy of the other end towards the first end of many support girders stretches out and towards outer
Side is bent to form the second end, and the choked flow film coats the first end and all portions.
2. occluder for left auricle according to claim 1, it is characterised in that the every support girder surrounds the connection
The axis arranged for interval of joint.
3. occluder for left auricle according to claim 2, it is characterised in that the jointing is drive screw.
4. occluder for left auricle according to claim 2, it is characterised in that the every support girder includes the first side pole
With two connecting rods, every connecting rod includes week portion's bar and the second side pole being connected with all portion's bars, all portion's bars and institute
The junction for stating the second side pole is fixing point, and one end of first side pole is collected to form the first end, the other end and two
Root week portion's bar the remote fixing point one end connection, one end direction of the remote fixing point of two second side poles
The first end simultaneously bends towards outside and connects to form claw in end, two fixations of the every support girder
A fixing point for putting two support girders adjacent thereto respectively connects and forms all portions.
5. occluder for left auricle according to claim 4, it is characterised in that two described of the every support girder
One end end of the remote fixing point of two side poles connects to form sophisticated anchor thorn, two of the every support girder described the
Equal arc transition between the fixing point of two side poles and the sophisticated anchor thorn, the bearing of trend and the support rib of the sophisticated anchor thorn
The angle of the axis of frame is 120 ° -150 °.
6. occluder for left auricle according to claim 5, it is characterised in that it is remote described solid that each sophisticated anchor is pierced
One end of fixed point is the fillet that radius is 0.03mm-0.04mm.
7. occluder for left auricle according to claim 5, it is characterised in that each fixed point is provided with all portions
Anchor is pierced, and all portion's anchor thorns extend towards the direction of first end, the bearing of trend and the support frame of all portion's anchor thorns
The angle of axis be 120 ° -150 °.
8. occluder for left auricle according to claim 7, it is characterised in that all portion's anchor thorn length is less than the tip
The length of anchor thorn.
9. the occluder for left auricle according to claim any one of 1-8, it is characterised in that the support frame is remembered by NiTi
Recall alloy cutting to form.
10. a kind of left atrial appendage occlusion device, it is characterised in that including the left auricle of heart described in conveying lever, claim any one of 1-9
Plugging device and the conveying sheath for storing the conveying lever and the occluder for left auricle, the conveying lever is sheathed on described defeated
Send intrathecal, the conveying lever is connected with the jointing.
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CN201621086664.5U CN206543190U (en) | 2016-09-27 | 2016-09-27 | A kind of occluder for left auricle and left atrial appendage occlusion device |
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CN201621086664.5U CN206543190U (en) | 2016-09-27 | 2016-09-27 | A kind of occluder for left auricle and left atrial appendage occlusion device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106333725A (en) * | 2016-09-27 | 2017-01-18 | 张雯 | Left aurcle plugging device and left aurcle plugging apparatus |
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2016
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106333725A (en) * | 2016-09-27 | 2017-01-18 | 张雯 | Left aurcle plugging device and left aurcle plugging apparatus |
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