CN106137299A - A kind of plugging device for left auricle - Google Patents
A kind of plugging device for left auricle Download PDFInfo
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- CN106137299A CN106137299A CN201610629086.3A CN201610629086A CN106137299A CN 106137299 A CN106137299 A CN 106137299A CN 201610629086 A CN201610629086 A CN 201610629086A CN 106137299 A CN106137299 A CN 106137299A
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- left auricle
- ring
- plugging device
- fixture
- bar
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- 210000001008 atrial appendage Anatomy 0.000 claims description 3
- 210000005248 left atrial appendage Anatomy 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 206010003658 Atrial Fibrillation Diseases 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 208000005189 Embolism Diseases 0.000 description 2
- 208000005228 Pericardial Effusion Diseases 0.000 description 2
- 208000001435 Thromboembolism Diseases 0.000 description 2
- 208000007536 Thrombosis Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
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- 229910045601 alloy Inorganic materials 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12122—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder within the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/12031—Type of occlusion complete occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12177—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure comprising additional materials, e.g. thrombogenic, having filaments, having fibers or being coated
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00796—Breast surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
Abstract
A kind of plugging device for left auricle, belongs to technical field of medical instruments.Including network, choked flow film and fixture.Fixture is arranged at network, network includes the first end ring and many support frames, formation first end is collected in one end of many support frames, and the first end ring is connected with one end of the close first end of many support frames, and first end is arranged in the first end ring.The other end of many support frames collects formation the second end, and choked flow film is at least coated with the part of the close the second end of the second end and perimembranous.This plugging device includes the first end ring, many support frames can be fixed, the setting making many support frames is more uniform, simultaneously, first end is arranged in the first end ring, first end not with the contact tissue of left auricle, prevent first end from being punctured by the tissue of left auricle, first end ring is good with the stickiness of left auricle, alleviates the injury of corrective surgery.
Description
Technical field
The present invention relates to technical field of medical instruments, in particular to a kind of plugging device for left auricle.
Background technology
Atrial fibrillation (atrial fibrillation) is one of the most most commonly seen a kind of arrhythmia, and wherein sickness rate increased with the age
And increase.After deliberation, use special occluder for left auricle to make left atrial appendage occlusion, thus reach to prevent atrial fibrillation thromboembolism
Purpose, be a kind of wound that development in recent years is got up less Therapeutic Method less, simple to operate, time-consuming, at present many learn
Person is devoted to apply the research of this technical prevention atrial fibrillation thromboembolism, and makes great progress.
The insufficient strength of occluder for left auricle of the prior art, arranges uneven, and during operation, left auricle seals with left auricle
The stickiness of stifled device is bad, and the therapeutic effect of patient is bad.
Summary of the invention
It is an object of the invention to provide a kind of plugging device for left auricle, the first of the network of plugging device
End is more smooth, good with the stickiness of left auricle, alleviates the injury of corrective surgery.
The present invention realizes by the following technical solutions:
A kind of plugging device for left auricle, plugging device includes that occluder for left auricle, occluder for left auricle include net
Shape support, choked flow film and fixture.Fixture is arranged at network, network have first end, the second end and
The perimembranous being connected between first end and the second end.Network includes the first end ring, the second end ring and many supports
Skeleton, the close first end of formation first end, the first end ring and many support frames is collected in one end of many support frames
One end connect, first end is arranged in the first end ring.The other end of many support frames collects formation the second end, and second
End ring is installed on the second end.Choked flow film is at least coated with the part of the close the second end of the second end and perimembranous.
The plugging device for left auricle that presently preferred embodiments of the present invention provides provides the benefit that:
The plugging device for left auricle that the present invention provides, one end of many support frames collects formation first end,
Being inserted left auricle by first end in operation, formed owing to first end is collected by many support girders, first end is arranged
In the first end ring, it is smooth end during occluder for left auricle Guan Bi, in the mistake that occluder for left auricle is pushed to left auricle
Cheng Zhong, will not cause the tissue of its periphery damage, arrival specific bit to postpone occluder for left auricle and open, form first end and arrive
The structure that the second end is gradually increased, therefore, the first end ring the surface flatness that can increase occluder for left auricle is set, have
Effect avoids occluder for left auricle to left auricle and the damage of perienchyma, reduces the generation of pericardial effusion adverse events.Meanwhile,
One end ring is connected with one end of the close first end of many support frames, and the first end ring can make many support frames first
The setting of end is more uniform, also can play left auricle and well block effect arranging relatively small number of support frame when
Really.Additionally, the other end of many support frames collects the close of formation the second end, choked flow film cladding the second end and perimembranous
The part of the second end, choked flow film anti-tampon is set from gap by entering blood circulation, when operation, if it find that left
The position of atrial appendage occlusion device is provided with mistakes, and occluder for left auricle can completely be regained, provide for doctor in operation process
Relocate, the chance of the installation occluder for left auricle of reselection.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by embodiment required use attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to this
A little accompanying drawings obtain other relevant accompanying drawings and fall within protection scope of the present invention.
The structural representation of the plugging device for left auricle that Fig. 1 provides for embodiments of the invention 1；
The structural representation of network in the plugging device for left auricle that Fig. 2 provides for embodiments of the invention 1；
The structural representation of connecting rod in the plugging device for left auricle that Fig. 3 provides for embodiments of the invention 1；
The structural representation of the second end ring in the plugging device for left auricle that Fig. 4 provides for embodiments of the invention 1；
The mounting structure schematic diagram of grasp in the plugging device for left auricle that Fig. 5 provides for embodiments of the invention 1；
In the plugging device for left auricle that Fig. 6 provides for embodiments of the invention 1 on each second fixing end two
The angle schematic diagram of individual grasp；
The structural representation of conveyer device in the plugging device for left auricle that Fig. 7 provides for embodiments of the invention 1；
The plugging device for left auricle that Fig. 8 embodiments of the invention 1 provide carries the cross-sectional view of sheath head end；
The structural representation of the plugging device for left auricle that Fig. 9 provides for embodiments of the invention 2；
The mounting structure signal of grasp in the plugging device for left auricle that Figure 10 provides for embodiments of the invention 2
Figure.
Reference collects:
Plugging device 100a, 100b；Occluder for left auricle 110；Conveyer device 120；Network 130；Choked flow film 140；
Fixture 150a, 150b；Conveying lever 160；Conveying sheath 170；First end 131；The second end 132；Perimembranous 133；First end ring
134；Second end ring 135；Support frame 136；First end bar 137；Second end bar 138；Connecting rod 139；First V shape pole 141；Directly
Bar 142；Second V shape pole 143；First fixes end 144；Second fixes end 145；Internal ring 146；Outer shroud 147；Grasp 151；Straight-bar portion
152；Kink 153；Connect end 161；Conveying lever body 162；Head end 171；Conveying sheath body 172；Accommodate chamber 173；Opening
174；Stator 175；First group of fixture 251；Second group of fixture 252.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Generally implement with the present invention illustrated described in accompanying drawing herein
The assembly of example can be arranged with various different configurations and design.Therefore, reality to the present invention provided in the accompanying drawings below
The detailed description executing example is not intended to limit the scope of claimed invention, but is merely representative of the selected enforcement of the present invention
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
Embodiment 1
The structural representation of the plugging device 100a for left auricle that Fig. 1 provides for the present embodiment.Refer to Fig. 1, this
In embodiment, plugging device 100a includes occluder for left auricle 110 and conveyer device 120, and occluder for left auricle 110 includes netted
Support 130, choked flow film 140 and fixture 150a, conveyer device 120 includes conveying lever 160 and conveying sheath 170.
The structural representation of network 130 in the plugging device 100a for left auricle that Fig. 2 provides for the present embodiment.
Seeing also Fig. 1 and Fig. 2, in the present embodiment, network 130 has first end 131, the second end 132 and connects
Perimembranous 133 between first end 131 and the second end 132.Network 130 includes first end ring the 134, second end ring
135 and many support frames 136, formation first end 131, many support frames are collected in one end of many support frames 136
The other end of 136 collects formation the second end 132.
Please continue to refer to Fig. 2, in the present embodiment, every support frame 136 includes the first end bar 137, connecting rod 139 and
Two end bars 138, one end of every first end bar 137 collect formation first end 131, one end of every second end bar 138 is collected
Form described the second end 132, first end 131 and the second end 132 all in smooth end, by occluder for left auricle
During 110 are pushed to left auricle, the tissue of its periphery will not be caused damage, arrive specific bit and postpone occluder for left auricle
110 open, and can increase the surface flatness of occluder for left auricle 110, be prevented effectively from occluder for left auricle 110 to left auricle and
The damage of perienchyma, reduces the generation of pericardial effusion adverse events.
First end ring 134 is connected with one end of the close first end 131 of many support frames 136, concrete, this enforcement
In example, the first end ring 134 has multiple inwall running through the first end ring 134 and the through hole of outer wall, the one of every first end bar 137
Hold through a through hole and collect formation first end 131, making the first end ring 134 that the setting of the first end bar 137 is played location
Effect, make the setting of the first end bar 137 more uniform, just can in the case of the quantity of support frame 136 is relatively fewer
Playing good support effect, can reduce the quantity of support frame 136, meanwhile, first end 131 is arranged at the first end ring
In 134, during pushing entrance auricle, first end 131 will not contact with human body, but by the first more smooth end
Ring 134 contacts with human body, and first end 131 forms noinvasive design, less to the peripheral tissue injury of patient, alleviates patient treatment
Misery, effectively reduce the risk of operation.It is preferably provided with: the first end bar 137 welds or is adhered on the first end ring 134.
The structural representation of connecting rod 139 in the plugging device 100a for left auricle that Fig. 3 provides for the present embodiment.Please
In the lump refering to Fig. 2 and Fig. 3, in the present embodiment, connecting rod 139 includes the first V shape pole 141, straight-bar 142 and the second V shape pole 143.
The two ends of straight-bar 142 are respectively the first fixing end 144 and second and fix end 145, and the tip of the first V shape pole 141 is connected to first
Fixing end 144, and two free ends of the first V shape pole 141 respectively with adjacent two the first end bars 137 away from first end
One end of 131 connects, and the tip of the second V shape pole 143 is connected to second and fixes end 145, and adjacent two the second V shape poles 143 connect,
Wherein: tip refers to the centre of " V " font, and free end refers to the two ends of " V " font.First V shape pole 141 and the 2nd V is set
Shape bar 143 makes the structure of network 130 more firmly, and the structure of the perimembranous 133 of network 130 both can form support,
Can conveniently reclaim again, many support frames 136 being more prone to of the network 130 formed completely is reclaimed.
In the present embodiment, the first end bar 137 is the most thicker to the direction away from first end 131 from first end 131, the
One V shape pole 141 is the most thicker to most advanced and sophisticated direction from two free ends, and straight-bar 142 is from the first fixing fixing end of end 144 to the second
The direction of 145 is the most thicker, and the second V shape pole 143 is the most thicker to most advanced and sophisticated direction from two free ends, the second end bar 138 from
Direction away from the second end 132 to the second end 132 is the most thicker, forms support frame 136 from first end 131 to the second
The structure that the direction of end 132 is the most thicker, increases the compliance of network 130.Many support frames 136 form netted
Frame 130, every support frame 136 is the most thicker from the direction of first end 131 to the second end 132, and support frame 136 is by shape
State memorial alloy is made, after shape memory alloy has metal material deformation, it is possible to the character of the shape before recovery.Every
The thickness change of support frame 136 so that the network 130 formed by support frame 136 is in the intensity phase of first end 131
To less, the intensity of the second end 132 is relatively large, and occluder for left auricle 110 enters left auricle, Zuo Xin from first end 131
The compliance of ear stopper 110 is more preferable, it is to avoid cause damage, network 130 needs to bear on the human body of patient's left auricle
Power is gradually increased, and is gradually increased the active force of human body human body accordingly, and network 130 thickness, the change of intensity make people
Physical ability has a process gradually adapted to, and alleviates the misery of the therapeutic process of patient.Network 130 arrives specific bit and postpones
Open, form the structure that first end 131 is gradually increased to the second end 132, left auricle is blocked.It is preferably provided with: netted
The tubing that support 130 is made up of marmem forms through cut engraving.
It is preferably provided with: the axis of the first end ring 134, the axis of the second end ring 135 are total to the central shaft of network 130
Line, three line conllinear make the first end ring 134 be arranged on the center of first end 131, and the second end ring 135 is arranged on the second end 132
Center, after occluder for left auricle 110 fully opens, the structure of network 130 is more stable, simultaneously relative to netted
The place substantially symmetrical about its central axis of frame 130, its stress balance, add the intensity of network 130, during operation, energy
Enough left auricle is played more preferable plugging action.
Continuing with in the lump refering to Fig. 1 and Fig. 2, in the present embodiment, choked flow film 140 is coated with the second end 132 and perimembranous 133
The upper part near the second end 132, is possible to prevent thrombosis from gap by entering blood circulation.Second end ring 135 is installed on
The second end 132, choked flow film 140 is fixed on the second end 132 by the second end ring 135, plays choked flow film 140 the most fixing
Effect, it is also possible to prevent choked flow film 140 to be damaged.The second end 132 is installed the second end ring 135 and is made the second end 132
More smooth, after occluder for left auricle 110 is completely fed to left auricle, the tissue around left auricle can well be fitted in a left side
On atrial appendage occlusion device 110.
It is preferably provided with: the knot of the second end ring 135 in the plugging device 100a for left auricle that Fig. 4 provides for the present embodiment
Structure schematic diagram.Seeing also Fig. 1, Fig. 2 and Fig. 4, in the present embodiment, the second end ring 135 includes internal ring 146 and outer shroud 147, interior
Ring 146 and outer shroud 147 interval arrange and form gap, the second end bar of support frame 136 between internal ring 146 and outer shroud 147
138 are arranged in the gap between internal ring 146 and outer shroud 147, are fixed installation by internal ring 146 and outer shroud 147, are equivalent to
One end of two end bars 138 is arranged between internal ring 146 and outer shroud 147, is fixed the second end bar 138.Choked flow film 140 is coated with
Outer shroud 147, the lateral wall of internal ring 146 and the end face near the first end ring 134 of internal ring 146 are adjacent with choked flow film 140, i.e. interior
The outer wall of the side towards outer shroud of ring 146 is adjacent with choked flow film 140, and choked flow film 140 is fixed by internal ring 146, and internal ring
Fixed by pin between 146 and outer shroud 147, being more firmly mounted of choked flow film 140, prevent choked flow film 140 from coming off.
In the present embodiment, the first end ring 134 and the second end ring 135 are made by Nitinol, by occluder for left auricle
The when of 110 feeding left auricle, operate under X-ray, the first end ring 134 and the second end ring 135 that Nitinol is made
Become apparent under X-ray, facilitate location and the operation of doctor.Similar embodiment is it may also is that the first end ring 134 He
Second end ring 135 is made by other high desnity metals or alloy material.
The mounting structure schematic diagram of grasp in the plugging device 100a for left auricle that Fig. 5 provides for the present embodiment.Please
In the lump refering to Fig. 1 and Fig. 5, in the present embodiment, fixture 150a is arranged at network 130, and fixture 150a includes multiple anchor
Hook 151, improves the fix tightly soundness of occluder for left auricle 110, prevents occluder for left auricle 110 from coming off at left auricle, collapses
Fall into.The fixing end 145 of the second of every support frame 136 is provided with two grasps 151, does not uses in occluder for left auricle 110,
The when of in contraction state, grasp 151 is arranged on second and fixes end 145, makes grasp 151 to the contraction of network 130 and expansion
Open not impact, the shape of network 130 will not be changed due to the setting of grasp 151.Each grasp 151 is through choked flow film
140, choked flow film 140 is played fixing effect, prevents choked flow film 140 landing from network 130, play reduction left auricle
The gap of stopper 110 and left auricle inwall, reduce the probability that thrombosis passes through and the purpose improving plugging effect from gap.Excellent
Choosing is arranged: multiple grasps 151 are spaced setting around the central shaft of network 130, thus improve occluder for left auricle further
The fix tightly soundness of 110, prevents occluder for left auricle 110 from coming off at left auricle, subsides.
Please continue to refer to Fig. 5, in the present embodiment, each grasp 151 includes straight-bar portion 152 and kink 153, straight-bar portion
152 are connected with the second fixing end 145, and one end of kink 153 is connected with straight-bar portion 152, and the other end is away from support frame 136 also
Bend towards the direction of the second end 132.Straight-bar portion 152 prolongs at the second fixing end 145 direction towards first end 131
Stretching, kink 153 is away from network 130, it is possible to be preferably fixed at left auricle by occluder for left auricle 110, meanwhile, curved
One end away from straight-bar portion 152 of folding part 153, towards the direction bending of the second end 132, makes the fixed effect of grasp 151 more
Good, choked flow film 140 is fixed on network 130, also occluder for left auricle 110 is fixed at left auricle.
In the plugging device 100a for left auricle that Fig. 6 provides for the present embodiment on each second fixing end 145 two
The angle schematic diagram of individual grasp 151.See also Fig. 5 and Fig. 6, in the present embodiment, two on each second fixing end 145
Angle between the axis of the straight-bar of grasp 151 142 is α, and in the present embodiment, α is 30 °-90 °, is not affecting network
Carry out omnibearing fixing on the basis of 130 recovery, make the occluder for left auricle 110 fixed effect at left auricle more preferable.
Similar embodiment is it may also is that the second fixing end 145 of every support frame 136 is respectively provided with a grasp
151, it is also possible to occluder for left auricle 110 is played fixing effect.In the present embodiment, grasp 151 is welded on the first fixing end
144, make grasp 151 be not easy to come off.Similar embodiment is it may also is that grasp 151 is directly cut by support frame 136
Sizing forms.
The structural representation of conveyer device 120 in the plugging device 100a for left auricle that Fig. 7 provides for the present embodiment.
Seeing also Fig. 1 and Fig. 7, in the present embodiment, conveying lever 160 mainly assist personnel is by defeated for occluder for left auricle 110
Delivering at left auricle, the inwall of the internal ring 146 of the second end ring 135 is provided with female thread, and conveying lever 160 includes connecting end 161 He
With the conveying lever body 162 being connected end 161 connection, connecting end 161 and be used for being connected with the second end ring 135, conveying lever body 162 is used
Hand-held in medical personnel, facilitate medical personnel to operate, connect end 161 and be provided with the external screw thread mated with female thread, make conveying lever
160, during conveying, will not come off with the second end ring 135.Connect end 161 to removably connect with conveying lever body 162, will
After occluder for left auricle 110 is transported to due position, connects end 161 and come, by conveying lever with conveying lever body 162 dismounting
Body 162 takes out.
Please continue to refer to Fig. 7, in the present embodiment, conveying sheath 170 is used for accommodating conveying lever 160 and occluder for left auricle 110,
I.e. conveying sheath 170 is slidably connected with conveying lever body 162, and before occluder for left auricle 110 is put in left auricle, left auricle seals
Stifled device 110 is positioned at conveying sheath 170, by conveying sheath 170 to pulling away from the one end connecting end 161 when, makes left auricle seal
Stifled device 110 departs from conveying sheath 170, and due to the reason of shape memory alloy, network 130 gradually expands into original form,
Left auricle is blocked.
Please continue to refer to Fig. 7, in the present embodiment, conveying sheath 170 have near the second end ring 135 head end 171 and with head
The conveying sheath body 172 of end 171 connection, head end 171 has receiving chamber, the envelope for left auricle that Fig. 8 provides for the present embodiment
Block apparatus 100a carries the cross-sectional view of the head end 171 of sheath 170.See also Fig. 7 and Fig. 8, in the present embodiment, head end
171 are provided with multiple opening 174 running through head end 171 two ends, form stator 175, stator between adjacent two openings 174
The side of 175 is connected with conveying sheath body 172, and opening 174 connects with accommodating chamber 173, makes the shape in receiving chamber 173 be adapted to
Property change, occluder for left auricle 110 can be more prone to be fixed in conveying sheath 170, meanwhile, if medical personnel are behaviour
During work, after some disengaging conveying sheath 170 of network 130, find being provided with of occluder for left auricle 110
By mistake, conveying sheath 170 is pushed to the direction connecting end 161, makes occluder for left auricle 110 reenter the receiving of conveying sheath 170
In chamber 173, network 130 can be reclaimed completely, then re-start location, install, for the operation provider of medical personnel
Just.It is preferably provided with: opening 174 is provided with 3-5, both the preparation of the head end 171 of convenient conveying sheath 170, again can be to netted
Frame 130 plays the effect reclaimed completely.In the present embodiment, one end that stator 175 is connected with conveying sheath body 172 is circular arc mistake
Cross connection, prevent carrying sheath body 172 and be damaged with stator 175 junction, increase the service life of conveying sheath 170.
Embodiment 2
Present embodiments providing a kind of plugging device 100b for left auricle, the present embodiment is the skill in first embodiment
The improvement carried out on the basis of art scheme, the technical scheme that first embodiment describes is equally applicable to the present embodiment, and first implements
Example disclosed technical scheme is not repeated to describe, and the present embodiment is the left heart in the present embodiment with the difference of first embodiment
The structure of the fixture 150b of ear stopper 110 is different.
The structural representation of the plugging device 100b for left auricle that Fig. 9 provides for the present embodiment.Refer to Fig. 9, this
In embodiment, occluder for left auricle 110 includes occluder for left auricle 110 and conveyer device 120, and occluder for left auricle 110 includes
Network 130, choked flow film 140 and fixture 150b, conveyer device 120 includes conveying lever 160 and conveying sheath 170.
The mounting structure signal of grasp 151 in the plugging device 100b for left auricle that Figure 10 provides for the present embodiment
Figure.Seeing also Fig. 9 and Figure 10, in the present embodiment, fixture 150b includes first group of fixture 251 and second group of fixture
252, first group of fixture 251 includes that multiple grasp 151, second group of fixture 252 include multiple grasp 151, fix for first group
Multiple grasps 151 of part 251 may be contained within first and fix end 144, and multiple grasps 151 of second group of fixture 252 may be contained within
Second fixes end 145 and both passes through choked flow film 140.Network 130 is fixed on the periphery of left auricle by first group of fixture 251
Tissue, network 130 had both been fixed on the perienchyma of left auricle, had the most also been wrapped by choked flow film 140 by first group of fixture 251
Cover and be fixed on network 130, make the fixing more firm of network 130.
In the present embodiment, each first fixing end 144 arranges two grasps 151, improves consolidating of occluder for left auricle 110
Determine firmness, prevent occluder for left auricle 110 from coming off at left auricle, subside.Similar embodiment it may also is that, each
Second fixing end 145 arranges a grasp 151, it is also possible to be fixed occluder for left auricle 110.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the plugging device for left auricle, it is characterised in that described plugging device includes occluder for left auricle, a described left side
Atrial appendage occlusion device includes network, choked flow film and fixture, and described fixture is arranged at described network, described netted
Frame has first end, the second end and is connected to the perimembranous between described first end and described the second end, described net
Shape support includes the first end ring and many support frames, and described first end of formation is collected in one end of described many support frames
Portion, described first end ring is connected with one end of the close described first end of described many support frames, and described first end sets
Being placed in described first end ring, the other end of described many support frames collects the described the second end of formation, and described choked flow film is extremely
It is coated with the part of the close described the second end of described the second end and described perimembranous less.
Plugging device for left auricle the most according to claim 1, it is characterised in that described network also includes
Two end ring, described second end ring includes that internal ring and outer shroud, described internal ring and described outer central spacer arrange and formed gap, described
One end away from described first end ring of support bone frame is arranged in described gap.
Plugging device for left auricle the most according to claim 2, it is characterised in that described choked flow film is also coated with described
Outer shroud, the end face of the lateral wall of described internal ring and close described first end ring of described internal ring is adjacent with described choked flow film.
Plugging device for left auricle the most according to claim 1, it is characterised in that every described support frame includes
First end bar, described first end ring has multiple inwall running through described first end ring and a through hole of outer wall, every described first
One end of end bar is through a described through hole and collects the described first end of formation.
Plugging device for left auricle the most according to claim 4, it is characterised in that every described support frame also wraps
Including connecting rod and the second end bar, the described the second end of formation is collected in one end of described second end bar, and described connecting rod includes a V
Shape bar, straight-bar and the second V shape pole, the two ends of described straight-bar are respectively the first fixing end and the second fixing end, described first V shape pole
Tip be connected to the described first fixing end, and two free ends of described first V shape pole respectively with adjacent two described first
One end away from described first end of end bar connects, and the tip of described second V shape pole is connected to the described second fixing end, adjacent
Two described second V shape poles connect.
Plugging device for left auricle the most according to claim 5, it is characterised in that described fixture includes multiple anchor
Hook, described the second of every described support frame fix end and be respectively provided with at least one described grasp, and each described grasp passes institute
State choked flow film.
Plugging device for left auricle the most according to claim 6, it is characterised in that each described grasp includes straight-bar
Portion and kink, described straight-bar portion is connected with the described second fixing end, and one end of described kink is connected, separately with described straight-bar portion
The direction away from described support frame and towards described the second end, the one end bends.
Plugging device for left auricle the most according to claim 7, it is characterised in that the institute of every described support frame
Stating second to fix end and be provided with two described grasps, the angle between the axis in the described straight-bar portion of two described grasps is
30°-90°。
Plugging device for left auricle the most according to claim 5, it is characterised in that described fixture includes first group
Fixture and second group of fixture, described first group of fixture and described second group of fixture all include multiple grasp, described
The plurality of grasp of one group of fixture may be contained within the described first fixing end, the plurality of grasp of described second group of fixture
May be contained within the described second fixing end and both pass through described choked flow film.
10. according to the plugging device for left auricle described in any one of claim 1-9, it is characterised in that described closure fills
Putting and also include conveyer device, described conveyer device includes conveying lever and for receiving described conveying lever and described left atrial appendage occlusion
The conveying sheath of device, the inwall of described second end ring is provided with female thread, and one end of described conveying lever is provided with and described female thread
The external screw thread of coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629086.3A CN106137299B (en) | 2016-08-03 | 2016-08-03 | Plugging device for left auricle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610629086.3A CN106137299B (en) | 2016-08-03 | 2016-08-03 | Plugging device for left auricle |
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| Publication Number | Publication Date |
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| CN106137299A true CN106137299A (en) | 2016-11-23 |
| CN106137299B CN106137299B (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610629086.3A Active CN106137299B (en) | 2016-08-03 | 2016-08-03 | Plugging device for left auricle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510487A (en) * | 2017-10-10 | 2017-12-26 | 南京友德邦医疗科技有限公司 | Occluder for left auricle and left atrial appendage occlusion system |
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| CN104918559A (en) * | 2012-11-14 | 2015-09-16 | 波士顿科学国际有限公司 | Left atrial appendage closure implant |
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| CN206138163U (en) * | 2016-08-03 | 2017-05-03 | 上海奏申投资管理有限公司 | A plugging device for left auricle of heart |
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| CN1342056A (en) * | 1998-11-06 | 2002-03-27 | 阿普利瓦医学股份有限公司 | Method and device for left atrial appendage occlusion |
| EP1125553B1 (en) * | 2000-02-16 | 2006-02-01 | Cordis Corporation | Aneurysm embolization device |
| CN101518470A (en) * | 2007-12-28 | 2009-09-02 | Aga医药有限公司 | Percutaneous catheter directed intravascular occlusion device |
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| CN107510487A (en) * | 2017-10-10 | 2017-12-26 | 南京友德邦医疗科技有限公司 | Occluder for left auricle and left atrial appendage occlusion system |
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| Publication number | Publication date |
|---|---|
| CN106137299B (en) | 2019-12-13 |
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Denomination of invention: Occlusion device for left auricle Effective date of registration: 20200628 Granted publication date: 20191213 Pledgee: Bank of Jiangsu Limited by Share Ltd. Gaochun branch Pledgor: NANJING YOUDEBANG MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980003524 |
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Denomination of invention: A plugging device for left atrial appendage Effective date of registration: 20220328 Granted publication date: 20191213 Pledgee: Nanjing bank Limited by Share Ltd. Gaochun branch Pledgor: NANJING YOUDEBANG MEDICAL TECHNOLOGY CO.,LTD. Registration number: Y2022320000140 |