CN106333725A - Left aurcle plugging device and left aurcle plugging apparatus - Google Patents
Left aurcle plugging device and left aurcle plugging apparatus Download PDFInfo
- Publication number
- CN106333725A CN106333725A CN201610856375.7A CN201610856375A CN106333725A CN 106333725 A CN106333725 A CN 106333725A CN 201610856375 A CN201610856375 A CN 201610856375A CN 106333725 A CN106333725 A CN 106333725A
- Authority
- CN
- China
- Prior art keywords
- occluder
- left auricle
- support frame
- week
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
-
- 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
The invention provides a left aurcle plugging device and a left aurcle plugging apparatus, belonging to the technical field of medical equipment. The left aurcle plugging device comprises a connecting connector, a supporting skeleton and a flow blocking membrane, wherein the supporting skeleton comprises a plurality of support small beams, one ends of the plurality of support small beams are converged to form a first end part, the connecting connector is installed at the first end part, and the other ends of the plurality of support small beams stretch out towards the same side of the first end part and are bent towards the outer side to form a second end part; the flow blocking membrane covers the first end part and the peripheral part. The left aurcle plugging apparatus adopts the left aurcle plugging device, the other ends of the plurality of support small beams stretch out towards the same side of the first end part and are bent towards the outer side to form the second end part, i.e. a hook, and the left aurcle plugging device is fixed at the inner wall of the left aurcle, so that the firmness is high, the safety is good, the implanting process is controllable, and the plugging device is convenient to recycle; and the fixed hook is disposed at the second end part, so that the left aurcle plugging device is suitable for left aurcle of a majority of shapes and depths.
Description
Technical field
The present invention relates to technical field of medical instruments, in particular to a kind of occluder for left auricle and left auricle envelope
Block apparatus.
Background technology
Atrial fibrillation is a kind of common arrhythmia disease, and there are 10,000,000 about patients with atrial fibrillation, patients with atrial fibrillation in current China
Occur the Hazard ratio normal person of apoplexy many five times, atrial fibrillation can be significantly reduced using the oral anticoagulation thing such as warfarin in the past and suffer from
There is the risk of cerebral infarction in person, but the application of the medicine such as warfarin has many defects and inconvenience, significantly limit this
The clinical practice of a little anticoagulants.Research shows that patients with atrial fibrillation has 90% thrombosis to derive from left auricle, therefore blocks left auricle
It is a kind of basic Therapeutic Method to prevent and treat atrial fibrillation apoplexy, postoperative Long-term also demonstrate that left atrial appendage occlusion exists
Warfarin is better than on effectiveness.Development therefore based on the defect on medicine and less invasive techniques in recent years, percutaneous and conduit are minimally invasive
Closure left auricle will be the new technique of prevention patients with atrial fibrillation thromboembolism.
The occluder for left auricle of prior art is broadly divided into two classes, and a class is the plug disc type envelope blocking left auricle by knitting disc
Stifled device, the defect that it exists is: larger card affects Bicuspid valve and the left superior pulmonary vein of auricle periphery；Need more permanent interior
The skin time, increased postoperative duration, increased the follow-up bleeding risk of patient and medical burden.Another kind of is by stoppering
Left auricle realizes the plug type stopper of closure, and the defect that it exists is: stopper is not easy to after launching push toward far-end, for
Most of launch after the not stopper completely into left auricle, can only reclaim relocate with reinflated；Barb structure is not easy to
The recovery of stopper；Apparatus structure has longer length in itself, cannot use than shallower left auricle for a part.
Content of the invention
It is an object of the invention to provide a kind of occluder for left auricle, the fix tightly solidity of occluder for left auricle is strong, safety
Property good, and be easy to reclaim, disclosure satisfy that the left auricle of the different depth of patient.
Another object of the present invention is to providing a kind of left atrial appendage occlusion device, the fix tightly solidity of its occluder for left auricle
By force, safety is good, and is easy to reclaim, and disclosure satisfy that the left auricle of the different depth of patient.
The present invention employs the following technical solutions realization:
A kind of occluder for left auricle, including jointing, support frame and choked flow film.Support frame have first end,
The second end and be connected to all portions between first end and the second end.Support frame includes many support girders, many
Formation first end is collected in one end of support girder, and jointing is installed on first end, the other end court of many support girders
Stretch out to the homonymy of first end and be bent to form the second end towards outside.Choked flow film cladding first end and week portion.
A kind of left atrial appendage occlusion device, including conveying lever, above-mentioned occluder for left auricle be used for receiving conveying lever and a left side
The conveying sheath of atrial appendage occlusion device.Conveying lever is sheathed on conveying intrathecal, and conveying lever is connected with jointing.
The occluder for left auricle that presently preferred embodiments of the present invention provides and its beneficial effect of device are:
The occluder for left auricle that the present invention provides, formation first end, jointing are collected in one end of many support girders
It is installed on first end, is connected with conveying lever by jointing, facilitate the conveying of occluder for left auricle.Many support girders
The other end stretches out and is bent to form the second end towards outside towards the homonymy of first end, is simultaneously coupled to first end and
All portions between two ends make support frame form plug type occluder for left auricle, simultaneously support girder away from first end
One end towards first end homonymy stretch out and towards outside bending, formed for fix occluder for left auricle fillet invert
Hook thing, that is, play the anti-pawl of dominant anchor effect, so that occluder for left auricle is firmly fixed on the left auricle of patient, and hook
Thing is located at the second end of occluder for left auricle, because the hook thing of the second end fillet reversion is after occluder for left auricle expansion
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 be reclaimed
Relocate, operating process simple and flexible；Meanwhile, the formation of hook thing makes occluder for left auricle from first end to the second end
Distance reduces, and disclosure satisfy that the left auricle of the different depth of patient, patient is treated, its plugging effect peace to left auricle
Entirely, effectively.Choked flow film cladding first end and week portion, the anti-tampon of setting of choked flow film passes through to enter blood circulation from gap.
Additionally, the jointing of above-mentioned occluder for left auricle is connected with conveying lever, carry out conveying lever and occluder for left auricle
Between connection, so that occluder for left auricle is transported by conveying lever.Conveying sheath is used for receiving conveying lever and left auricle envelope
Stifled device, before occluder for left auricle is put in left auricle, occluder for left auricle is located at conveying intrathecal, will convey sheath to away from even
When one end of joint pulls, occluder for left auricle is made to depart from conveying sheath, support frame gradually expands into original form,
Left auricle is blocked.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
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, can also be according to this
A little accompanying drawings obtain other related accompanying drawings and fall within protection scope of the present invention.
The structural representation of the left atrial appendage occlusion device that Fig. 1 provides for embodiments of the invention；
The structural representation of occluder for left auricle in the left atrial appendage occlusion device that Fig. 2 provides for embodiments of the invention；
Structure under first visual angle of support frame in the left atrial appendage occlusion device that Fig. 3 provides for embodiments of the invention is shown
It is intended to；
Structure under second visual angle of support frame in the left atrial appendage occlusion device that Fig. 4 provides for embodiments of the invention is shown
It is intended to；
The structural representation of the left atrial appendage occlusion device medium-height trestle girder that Fig. 5 provides for embodiments of the invention；
The bearing of trend of most advanced and sophisticated anchor thorn and support frame in the left atrial appendage occlusion device that Fig. 6 provides for embodiments of the invention
Axis angle schematic diagram；
In the left atrial appendage occlusion device that Fig. 7 provides for embodiments of the invention week portion's anchor thorn bearing of trend and support frame
Axis angle schematic diagram.
Icon: 100- left atrial appendage occlusion device；110- conveying lever；120- conveys sheath；130- occluder for left auricle；140- props up
Support bone frame；160- choked flow film；141- first end；142- the second end；143- week portion；144- jointing；145- week portion anchor
Thorn；150- support girder；151- first side pole；152- connecting rod；153- week portion bar；154- second side pole；155- fixing point；
156- claw；157- tip anchor thorn.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are 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.The present invention generally described and illustrated in accompanying drawing herein is implemented
The assembly of example can be arranged with various different configurations and design.Therefore, the reality to the present invention providing in the accompanying drawings below
The detailed description applying 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 the premise of not making creative work
Every other embodiment, broadly falls into the scope of protection of the invention.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.
Embodiment
The structural representation of the left atrial appendage occlusion device 100 that Fig. 1 provides for the present embodiment.Refer 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 to Fig. 1 and Fig. 2 in the lump, in the present embodiment, occluder for left auricle 130 includes jointing 144, support frame 140 and choked flow
Film 160.Structural representation under first visual angle of support frame 140 in the left atrial appendage occlusion device 100 that Fig. 3 provides for the present embodiment
Figure, the structural representation under the second visual angle of support frame 140 in the left atrial appendage occlusion device 100 that Fig. 4 provides for the present embodiment.
See also Fig. 1, Fig. 3 and Fig. 4, in the present embodiment, support frame 140 have first end 141, the second end 142 and
It is connected to all portions 143 between first end 141 and the second end 142, support frame 140 includes many support girders 150, many
Formation first end 141 is collected in one end of root support girder 150, and jointing 144 is installed on first end 141, jointing
144 are connected with conveying lever 110, carry out the installation of conveying lever 110 and occluder for left auricle 130, and occluder for left auricle 130 can be passed through
Conveying lever 110 is transported, and assists the installation of occluder for left auricle 130.It is preferably provided with: jointing 144 is drive screws, spiral shell
Peg is provided with female thread, and the end of conveying lever 110 is provided with the external screw thread being mated with female thread, makes drive screws and conveying lever
110 is threaded, makes the connection of conveying lever 110 more firm.
Please continue to refer to Fig. 1, in the present embodiment, conveying sheath 120 is used for receiving 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 a left side
Before auricle, occluder for left auricle 130 is located at the receiving intracavity of conveying sheath 120, will convey sheath 120 to away from jointing 144
One end when pull, make occluder for left auricle 130 depart from conveying sheath 120, support frame 140 gradually expands into original shape
State, blocks to left auricle.
Please continue to refer to Fig. 3, in the present embodiment, support frame 140 is formed by Ultimum Ti cutting, and nickel-titanium memory closes
After gold utensil has 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 stopper 130 is delivered to the left auricle of patient, the negligible amounts of support girder 150 make support frame 140 itself
Endothelialization area is little, and its endothelialization needs climbing and the fibrohistiocytic of growth to reduce, and the time of endothelialization is short, decreases art
Administration time afterwards, reduces the follow-up bleeding risk of patient, alleviates the medical burden of patient.
Please continue to refer to Fig. 3, in the present embodiment, every support girder 150 sets 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 stable, and left atrial appendage occlusion device 100 will not subside during using.
Please continue to refer to Fig. 3, in the present embodiment, the axis collinear of the axis of jointing 144 and support frame 140.By
Formed by Ultimum Ti cutting in support frame 140, so, first end 141 Shi You center is to the uneven change of surrounding
The three-dimensional arc surface changed, jointing 144 is installed on the center of first end 141, occluder for left auricle 130 fully open with
Afterwards, the structure of support frame 140 is more stable, and simultaneously with respect to the position of the axisymmetrical of support frame 140, its stress is put down
Weighing apparatus, increased the intensity of support frame 140, during operation, left auricle can be played with more preferable plugging action.
Please continue to refer to Fig. 3, in the present embodiment, one end away from 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 towards outside, connects first end 141 and the second end 142
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 stopper, makes
The effect that occluder for left auricle 130 blocks left auricle is more preferable.One end court away from first end 141 of many support girders 150
Homonymy to first end 141 stretches out, and that is, many support girders 150 are located at the homonymy of jointing 144, many support girders
150 one end away from first end 141 bends towards outside, and that is, it is directed away from the axis direction bending of jointing 144,
Form the hook thing for fixing occluder for left auricle 130.After occluder for left auricle 130 implants the left auricle of patient, make
Occluder for left auricle 130 is firmly fixed on the left auricle of patient, and hook thing is located at the second end of occluder for left auricle 130
The hook thing that portion 142 inverts for fillet is so that occluder for left auricle 130 can directly push to adjust occluder for left auricle after launching
130 position relocates it is not necessary to carry out recovery, 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 different patients, right
Patient is treated, and it is to the plugging effect of left auricle 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 blocking to left auricle, all portions 143 have female makes the interior of support frame 140 itself
Skin area is less, and its endothelialization needs climbing and the fibrohistiocytic of growth to reduce, and the time of endothelialization is shorter, decreases
The postoperative time, reduce the follow-up bleeding risk of patient, alleviate the medical burden of patient.
The structural representation of the left atrial appendage occlusion device 100 medium-height trestle girder 150 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 all portions bar 153 and the second side pole 154 being connected with all portions bar 153.All portions bar 153 and the company of the second side pole 154
Meeting place is fixing point 155, and the above-mentioned first end 141 of formation, the other end and two weeks portion's bar are collected in one end of the first side pole 151
153 one end away from fixing point 155 connects, and one end away from fixing point 155 of two second side poles 154 is towards first end
141 homonymy stretches out and connects formation claw 156 towards outside bending and in end, for occluder for left auricle 130 is fixing
At the left auricle of patient, can effectively prevent the displacement after occluder for left auricle 130 implantation and come off.Every support girder
150 two fixing points 155 are connected and form week with a fixing point 155 of two support girders 150 being adjacent respectively
Portion 143, makes the intensity in all portions 143 increase, between adjacent support girder 150, the effect of power is higher, the support of support frame 140
There is between girder 150 annexation, form network structure, be easy to contraction or the expansion of support frame 140, beneficial to left auricle envelope
The recovery of stifled device 130 with relocate.
Continuing with the lump refering to Fig. 3 and Fig. 5, in the present embodiment, two second side poles 154 of every support girder 150
One end end away from fixing point 155 connects the anchor thorn 157 that tapers off to a point, the fixing point 155 of every second side pole 154 and most advanced 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 so as to most advanced and sophisticated anchor
Pierce and extend towards the direction of first end 141 at 157, the hook thing of arc-shaped makes occluder for left auricle 130 be more prone to fixing
At the left auricle of patient, meanwhile, when occluder for left auricle 130 is implanted at the left auricle of patient, the second end 142 is stretched
Enter left auricle, the second side pole 154 at the second end 142 forms arc structure, so that support frame 140 also can be entered after deployment
Row pushes, if the positioning of occluder for left auricle 130 is inaccurate, can directly push the position to adjust occluder for left auricle 130,
Do not need to carry out recovery to relocate, decrease the number of times repeating to discharge, reduce loaded down with trivial details degree and the difficulty in operating process, effectively
Decrease the probability of adverse events generation, improve the operating efficiency of doctor.
It is preferably provided with: in the left atrial appendage occlusion device 100 that Fig. 6 provides for embodiments of the invention, most advanced and sophisticated anchor thorn 157 prolongs
Stretch the angle α schematic diagram in direction and the axis of support frame 140.See also Fig. 5 and Fig. 6, in the present embodiment, most advanced and sophisticated anchor thorn
157 bearing of trend is advisable for 120 ° -150 ° with the angle α of the axis of support frame 140.If angle α is excessive, claw 156 is not
Easily in insertion left auricle tissue about, if angle α is between 90 ° to 120 °, grappling resistance is too little can not to play phase
The fixed effect answered, so, angle α is 120 ° -150 ° makes the histiocyte that claw 156 easily inserts at left auricle simultaneously unlikely
In puncturing auricle and grappling resistance will not be too little, preferably occluder for left auricle 130 is fixed.Preferably embodiment
For: the most advanced and sophisticated bearing of trend of anchor thorn 157 and the angle α of the axis of support frame 140 are 135 °.
One end away from fixing point 155 of each most advanced and sophisticated anchor thorn 157 is the fillet of 0.03mm-0.04mm for radius, most advanced and sophisticated
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 of different sizes, that is, the 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 different, the circular arc that two second side poles 154 of support girder 150 are formed
Radius be 0.8mm, the radius of the circular arc that two second side poles 154 of adjacent support girder 150 are formed is 1.2mm, and its
Interval setting.The second end 142 of support frame 140 has various sizes of claw 156, increases occluder for left auricle 130
Range, makes the fixed effect of occluder for left auricle 130 more preferable.
Continuing with referring to Fig. 3 and Fig. 5 in the lump, in the present embodiment, at each fixing point 155, it is provided with all portions anchor thorn 145,
All portions anchor thorn 145 extends towards the direction of first end 141, and all portions 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 strengthened in the setting of all portions anchor thorn 145 further, makes left atrial appendage occlusion
Device 130 will not fall off.
It is preferably provided with: week portion's anchor thorn 145 prolong in the left atrial appendage occlusion device 100 that Fig. 7 provides for embodiments of the invention
Stretch the angle β schematic diagram in direction and the axis of support frame 140.See also Fig. 3 and Fig. 7, in the present embodiment, all portions anchor pierces
145 bearing of trend is advisable for 120 ° -150 ° with the angle β of the axis of support frame 140, i.e. the extension side of week portion's anchor thorn 145
Consistent to the bearing of trend direction of the most advanced and sophisticated anchor thorn 157 with the second side pole 154.If angle β is excessive, week portion's anchor thorn 145 do not allow
In left auricle tissue easily around insertion week portion's anchor thorn 145, if angle β is between 90 ° to 120 °, grappling resistance is too little can not
Play corresponding fixed effect, so, angle β is that 120 ° -150 ° tissues making at the easy insertion left auricle of all portions anchor thorn 145 are thin
Born of the same parents are unlikely to puncture auricle simultaneously and grappling resistance will not be too little, preferably occluder for left auricle 130 are fixed.Preferably
Embodiment is: the bearing of trend of all portions anchor thorn 145 is 135 ° with the angle β of the axis of support frame 140.
Similar embodiment pierces 145 it is also possible that a fixing point 155 of every support girder 150 arranges all portions anchor,
I.e. in the present embodiment, support frame 140 is made up of 10 support girders 150, then only arrange 5 week portion on its support frame 140
Anchor thorn 145, also can play the recovery resistance that the effect fixed further can reduce apparatus simultaneously to occluder for left auricle 130.
Please continue to refer to Fig. 3 and Fig. 5, the length of all portions anchor thorn 145 is less than the length of most advanced and sophisticated anchor thorn 157, all portions anchor thorn 145
Play the corresponding effect assisting fixation, make the fixed effect of occluder for left auricle 130 more preferably, meanwhile, occluder for left auricle 130
The position to adjust occluder for left auricle 130 can directly be pushed, the setting of all portions anchor thorn 145 does not interfere with medical personnel after expansion
The position of adjustment occluder for left auricle 130, also will not significantly increase the recovery resistance of occluder for left auricle 130, make operation more
Convenient.
Continuing with referring to Fig. 2 and Fig. 3 in the lump, in 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 cloth, and its braiding hole is 100 μm -300 μm, and thickness is 150 μm -200 μm.Make
Blood can pass through hole it is possible to effectively anti-tampon passes through to enter blood circulation from hole.Choked flow film 160 cladding first
End 141 and week portion 143, in the present embodiment, the choked flow film 160 at first end 141 is closing, and choked flow film 160 is in all portions
143 one end away from first end 141 forms opening, and choked flow film 160 is sewn near week away from one end of first end 141
The position of portion anchor thorn 145, can make choked flow film 160 coat securely with support frame 140 outside, and it can be avoided that week portion's anchor pierces
145 pass through choked flow film 160, thus avoiding causing the damage of choked flow film 160.
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, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of occluder for left auricle is it is characterised in that include jointing, support frame and choked flow film, described support frame
There is first end, the second end and be connected to all portions between described first end and described the second end, described support
Skeleton includes many support girders, and the described first end of formation, described jointing are collected in one end of many described support girders
It is installed on described first end, the other end of many described support girders stretches out and towards outer towards the homonymy of described first end
Side is bent to form described the second end, and described choked flow film coats described first end and portion of described week.
2. occluder for left auricle according to claim 1 is it is characterised in that every described support girder is around described connection
The axis arranged for interval of joint.
3. occluder for left auricle according to claim 2 is it is characterised in that described jointing is drive screws.
4. occluder for left auricle according to claim 2 is it is characterised in that every described support girder includes the first side pole
With two connecting rods, every connecting rod includes all portions bar and the second side pole being connected with portion's bar of described week, described week portion's bar and institute
The junction stating the second side pole is fixing point, and the described first end of formation, the other end and two are collected in one end of described first side pole
Root week, one end away from described fixing point of portion's bar connected, one end direction away from described fixing point of two described second side poles
Described first end simultaneously connects formation claw, two described fixations of every described support girder towards outside bending and in end
Point is connected and forms portion of described week with a described fixing point of the described support girder of two being adjacent respectively.
5. occluder for left auricle according to claim 4 is it is characterised in that two described of every described support girder
One end end away from described fixing point of two side poles connects the anchor thorn that tapers off to a point, two of every described support girder described the
Equal arc transition between the fixing point of two side poles and described tip anchor thorn, the bearing of trend of described tip anchor thorn and described support rib
The angle of the axis of frame is 120 ° -150 °.
6. occluder for left auricle according to claim 5 it is characterised in that each described tip anchor thorn away from described solid
One end of fixed point is the fillet of 0.03mm-0.04mm for radius.
7. occluder for left auricle according to claim 5 is it is characterised in that each described fixed point is provided with all portions
Anchor pierce, described week portion's anchor thorn towards first end direction extend, described week portion's anchor pierce bearing of trend and described support frame
The angle of axis be 120 ° -150 °.
8. occluder for left auricle according to claim 7 is it is characterised in that portion's anchor thorn length of described week is less than described tip
The length of anchor thorn.
9. the occluder for left auricle according to any one of claim 1-8 is it is characterised in that described support frame is remembered by NiTi
Recall alloy cutting to form.
10. a kind of left atrial appendage occlusion device is it is characterised in that include the left auricle described in conveying lever, any one of claim 1-9
Stopper and the conveying sheath for receiving described conveying lever and described occluder for left auricle, described conveying lever is sheathed on described defeated
Send intrathecal, described conveying lever is connected with described jointing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856375.7A CN106333725A (en) | 2016-09-27 | 2016-09-27 | Left aurcle plugging device and left aurcle plugging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856375.7A CN106333725A (en) | 2016-09-27 | 2016-09-27 | Left aurcle plugging device and left aurcle plugging apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106333725A true CN106333725A (en) | 2017-01-18 |
Family
ID=57839457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856375.7A Pending CN106333725A (en) | 2016-09-27 | 2016-09-27 | Left aurcle plugging device and left aurcle plugging apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106333725A (en) |
Cited By (4)
| 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 |
| CN110025349A (en) * | 2019-05-08 | 2019-07-19 | 广东脉搏医疗科技有限公司 | Anchoring type occluder for left auricle |
| CN114680984A (en) * | 2020-12-30 | 2022-07-01 | 上海申淇医疗科技有限公司 | Left auricle plugging device |
| JP7410206B2 (en) | 2017-10-16 | 2024-01-09 | ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド | Medical devices and their anchors |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020193828A1 (en) * | 2001-06-14 | 2002-12-19 | Cook Incorporated | Endovascular filter |
| CN1399530A (en) * | 1999-10-27 | 2003-02-26 | 阿特里泰克公司 | Filter apparatus for ostium of left atrial appendage |
| CN1638703A (en) * | 2002-01-25 | 2005-07-13 | 阿特里泰克公司 | Atrial appendage blood filtration systems |
| US20090099596A1 (en) * | 2007-05-31 | 2009-04-16 | Rex Medical | Closure device for left atrial appendage |
| US20110208233A1 (en) * | 2004-01-22 | 2011-08-25 | Mcguckin Jr James F | Device for preventing clot migration from left atrial appendage |
| CN104688292A (en) * | 2015-02-15 | 2015-06-10 | 上海形状记忆合金材料有限公司 | Left atrial appendage plugging device and plugging system |
| CN104736103A (en) * | 2012-09-12 | 2015-06-24 | 波士顿科学国际有限公司 | Fixation anchor design for an occlusion device |
| CN104768476A (en) * | 2012-07-13 | 2015-07-08 | 波士顿科学国际有限公司 | Occlusion device for an atrial appendage |
| CN104856741A (en) * | 2015-06-15 | 2015-08-26 | 同济大学附属第十人民医院 | Transcatheter left atrial appendage plugging system |
| CN104994794A (en) * | 2012-12-31 | 2015-10-21 | 波士顿科学医学有限公司 | Medical devices having fixation anchor |
| CN205322407U (en) * | 2016-01-05 | 2016-06-22 | 上海锦葵医疗器械有限公司 | Degradable heart left auricle of heart plugging device can develop |
| CN206543190U (en) * | 2016-09-27 | 2017-10-10 | 张雯 | A kind of occluder for left auricle and left atrial appendage occlusion device |
-
2016
- 2016-09-27 CN CN201610856375.7A patent/CN106333725A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1399530A (en) * | 1999-10-27 | 2003-02-26 | 阿特里泰克公司 | Filter apparatus for ostium of left atrial appendage |
| US20020193828A1 (en) * | 2001-06-14 | 2002-12-19 | Cook Incorporated | Endovascular filter |
| CN1638703A (en) * | 2002-01-25 | 2005-07-13 | 阿特里泰克公司 | Atrial appendage blood filtration systems |
| US20110208233A1 (en) * | 2004-01-22 | 2011-08-25 | Mcguckin Jr James F | Device for preventing clot migration from left atrial appendage |
| US20090099596A1 (en) * | 2007-05-31 | 2009-04-16 | Rex Medical | Closure device for left atrial appendage |
| CN104768476A (en) * | 2012-07-13 | 2015-07-08 | 波士顿科学国际有限公司 | Occlusion device for an atrial appendage |
| CN104736103A (en) * | 2012-09-12 | 2015-06-24 | 波士顿科学国际有限公司 | Fixation anchor design for an occlusion device |
| CN104994794A (en) * | 2012-12-31 | 2015-10-21 | 波士顿科学医学有限公司 | Medical devices having fixation anchor |
| CN104688292A (en) * | 2015-02-15 | 2015-06-10 | 上海形状记忆合金材料有限公司 | Left atrial appendage plugging device and plugging system |
| CN104856741A (en) * | 2015-06-15 | 2015-08-26 | 同济大学附属第十人民医院 | Transcatheter left atrial appendage plugging system |
| CN205322407U (en) * | 2016-01-05 | 2016-06-22 | 上海锦葵医疗器械有限公司 | Degradable heart left auricle of heart plugging device can develop |
| CN206543190U (en) * | 2016-09-27 | 2017-10-10 | 张雯 | A kind of occluder for left auricle and left atrial appendage occlusion device |
Non-Patent Citations (1)
| Title |
|---|
| 张志宏: "房间隔缺损封堵术后血小板活化和凝血酶原激活临床研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (5)
| 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 |
| JP7410206B2 (en) | 2017-10-16 | 2024-01-09 | ダブリュ．エル．ゴア アンド アソシエイツ，インコーポレイティド | Medical devices and their anchors |
| CN110025349A (en) * | 2019-05-08 | 2019-07-19 | 广东脉搏医疗科技有限公司 | Anchoring type occluder for left auricle |
| CN114680984A (en) * | 2020-12-30 | 2022-07-01 | 上海申淇医疗科技有限公司 | Left auricle plugging device |
| WO2022143731A1 (en) * | 2020-12-30 | 2022-07-07 | 上海申淇医疗科技有限公司 | Left atrial appendage occluder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11547417B2 (en) | Left atrial appendage occluder | |
| CN104352261B (en) | Occluder for left auricle | |
| EP2716237B1 (en) | Left atrial appendage occluder | |
| US9763666B2 (en) | Left atrial appendage plugging device and delivery system | |
| CN202143640U (en) | Left atrial appendage occluder | |
| CN104352260B (en) | Left atrial appendage occlusion system | |
| EP3424442B1 (en) | Left atrial appendage occluder and fabricating method therefor | |
| EP3072461B1 (en) | Left atrial appendage occluder | |
| CN204181679U (en) | Occluder for left auricle | |
| CN106333725A (en) | Left aurcle plugging device and left aurcle plugging apparatus | |
| CN102985014A (en) | Medical implant and manufacturing method thereof | |
| CN108472031B (en) | Left auricle plugging device | |
| US20080215085A1 (en) | Compliant Electrode for Patent Foramen Ovale Closure Device | |
| CN204839624U (en) | Percutaneous left auricle of heart shutoff apparatus | |
| CN106901792A (en) | Occluder for left auricle | |
| CN204181678U (en) | Left atrial appendage occlusion system | |
| CN206543187U (en) | A kind of occluder for left auricle and left atrial appendage occlusion device | |
| CN206543190U (en) | A kind of occluder for left auricle and left atrial appendage occlusion device | |
| CN106214208B (en) | A kind of occluder for left auricle and left atrial appendage occlusion device | |
| CN105816216B (en) | A kind of atrial appendage occlusion device | |
| CN205072925U (en) | Heart atrial septal defect plugging device | |
| CN205072941U (en) | Heart left auricle of heart plugging device | |
| CN106137299B (en) | Plugging device for left auricle | |
| CN209059313U (en) | Occluder for left auricle | |
| CN106178262A (en) | A kind of wireless auricular pacemaking device implanted through conduit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |