CN110025350A - The adjustable occluder for left auricle for having sliding damping - Google Patents
The adjustable occluder for left auricle for having sliding damping Download PDFInfo
- Publication number
- CN110025350A CN110025350A CN201910381800.5A CN201910381800A CN110025350A CN 110025350 A CN110025350 A CN 110025350A CN 201910381800 A CN201910381800 A CN 201910381800A CN 110025350 A CN110025350 A CN 110025350A
- Authority
- CN
- China
- Prior art keywords
- connector sleeve
- left auricle
- motion bar
- sliding damping
- cock body
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009954 braiding Methods 0.000 claims description 8
- 229920006267 polyester film Polymers 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 abstract description 3
- 206010003658 Atrial Fibrillation Diseases 0.000 description 10
- 206010008190 Cerebrovascular accident Diseases 0.000 description 5
- 208000006011 Stroke Diseases 0.000 description 5
- 230000002490 cerebral effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 208000007536 Thrombosis Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 210000005248 left atrial appendage Anatomy 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 229940127219 anticoagulant drug Drugs 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 210000002837 heart atrium Anatomy 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 241001079814 Symphyotrichum pilosum Species 0.000 description 1
- 235000004224 Typha angustifolia Nutrition 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008828 contractile function Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 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 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
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
- A61B17/12131—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
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00982—General structural features
- A61B2017/00995—General structural features having a thin film
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to implantable medical devices fields, refer specifically to a kind of adjustable occluder for left auricle for having sliding damping, including closeouts and fixing piece, closeouts include the flat caged cock body that braided wires are formed and the motion bar being vertically installed at the top of cock body, fixing piece includes the fixed strip of connector sleeve and the more inverted Us set on connection set upper side, the upper end of motion bar passes through connector sleeve and a limit end, the width for limiting end is greater than the internal diameter of connector sleeve, motion bar includes two bursts of elastic strands, elastic strands contain more elastic yarns, a separation pin is fixed in connector sleeve, two bursts of elastic strands pass through connector sleeve via the two sides for separating pin.The wherein closeouts and relative distance of fixing piece is adjustable and adjustment process has damping, can improve the conduction of power between the two and external force distribution situation.
Description
Technical field
The present invention relates to implantable medical devices fields, refer specifically to a kind of adjustable left atrial appendage occlusion for having sliding damping
Device.
Background technique
Auricular fibrillation (i.e. atrial fibrillation) is a kind of common perpetual arrhythmia disease, and correlative study data shows China 30
Year old or more adult atrial fibrillation illness rate be 0.65%, there are about 4,200,000 people, and the incidence of atrial fibrillation is also continuously increased with age,
Patient groups are up to 10% within 75 years old or more.Contractile function is lost in atrium when atrial fibrillation, and blood is easy in atrium, especially left auricle of heart
Place is retarded by silt and forms thrombus, everywhere and can cause cerebral apoplexy with blood to whole body after thrombus breaks loose.Atrial fibrillation is cerebral apoplexy
Major risk factors, have 21.95% generation cerebral apoplexy in patients with atrial fibrillation, the risk that cerebral apoplexy occurs than ordinary people is higher by 5 times
More than.
Research confirms that patients with atrial fibrillation has about 91% thrombus to derive from left auricle of heart.For cerebral apoplexy caused by atrial fibrillation, tradition
Treatment method have two kinds of approach of anticoagulant therapy and operative treatment.Anticoagulant therapy needs patient to take anticoagulation for a long time, therefore answers
With more inconvenience.Operative treatment approach need to can bring patient by surgical sealing or excision left auricle of heart, surgical procedure
Great wound and there is also certain risks.The minimally invasive transcatheter left auricle of heart operation that last decade grows up just gradually is applied
In clinical treatment and achieve comparatively ideal curative effect.
Minimally invasive transcatheter left auricle of heart operation is that occluder for left auricle is implanted to left auricle of heart by the method for intubation intervention
In and it is blocked, and then block enter left auricle of heart blood flow, can prevent left auricle of heart from forming blood in atrial fibrillation from source
Bolt.Widely used plug dish-type occluder for left auricle is generally conjoined structure in this kind of plugging device, and main includes being caught in a left side
The fixing piece of auricle and positioned at the two parts of the closeouts of left auricle of heart oral area.Since left auricle of heart and entire heart have been at
It shrinks in the shuttling movement with diastole, this requires closeouts and fixing piece, and the independent deformation of energy not only to be wanted also to want to change relatively
Distance has some products by improving the connection structure of the two parts at present and makes this two parts relative distance after assembling
It remains to change with the activity condition of heart in a certain range, but there's almost no damping in change procedure, this is just unfavorable for
Two-part uniformly distributed, the extent of deterioration for easily leading to two parts is inconsistent for the conduction of power and external force between two parts.
Summary of the invention
The main purpose of the present invention is to provide the relative distance of a kind of closeouts and fixing piece, adjustable and adjustment process is deposited
In the adjustable occluder for left auricle for having sliding damping of damping.
To achieve the above object, the present invention provides a kind of adjustable occluder for left auricle for having sliding damping, including envelope
Blocking piece and fixing piece, closeouts include the cock body for the flat caged that braided wires are formed and the motion bar that is vertical at the top of cock body,
Fixing piece includes the fixed strip of connector sleeve and the more inverted Us set on connection set upper side, and the upper end of motion bar passes through connector sleeve
And it is equipped with limit end, the width for limiting end is greater than the internal diameter of connector sleeve, is characterized in that, motion bar includes two strands of bullets
Sex pilus beam, elastic strands contain more elastic yarns, a separation pin are equipped in connector sleeve, two bursts of elastic strands are via separation pin
Two sides pass through connector sleeve.
By above scheme as it can be seen that motion bar by pin is separated is separated into two bursts of elastic strands by force in connector sleeve, originally mutually
This two bursts of elastic strands being close to elastic yarn internal after being separated changes in shape and distribution situation, thus this two
Stock elastic strands can all occur elastic deformation and be close to and squeeze separate pin, to generate when motion bar is moved with respect to connector sleeve
Certain frictional force, and damper mechanism is introduced for this motion process.In addition the tow bar that elastic yarn is constituted is convenient for bending and turns round
Turn, cock body and fixing piece can be preferably connected during the dynamic moving of heart, and provides for cock body and fixing piece enough
Opposite scope of activities.
Further embodiment is that closeouts include more memory alloy wires, and memory alloy wire includes weaving section and being located to compile
Knit the free segment above section, the braiding section of more memory alloy wires is knitted to form the cock body of flat caged, more memory alloy wires
Free segment collapses the motion bar to form tow shape, and the motion bar in connector sleeve is separated into two strands of memorial alloy tow by pin is separated.
The cock body and motion bar of one help to simplify manufacture craft and improve the overall structural strength of closeouts, and memory is closed
Spun gold has good elasticity and shape-memory properties, can meet simultaneously after cock body and motion bar is made by different technique
The performance requirement of the two.
Further embodiment is that limit end includes that the free segment top of whole memory alloy wires heats the bulb aggregated into
And fixing sleeve is set to the sealing end cover on bulb, the outer diameter for blocking cover is greater than the internal diameter of connector sleeve.
The free segment top of whole memory alloy wires after heating the bulb that polymerization is integrated by being convenient for through welding side
Formula is provided thereon cover fixing sleeve is blocked, and can guarantee that the connection of the structural strength for limiting end and bulb and sealing end cover is strong
Degree.
Further embodiment is to separate pin to be disposed through on connector sleeve, and separating pin includes the bolt pin body being threadedly coupled
With nut pin cap.
Connector sleeve can be finely adjusted in the size separated on pin length direction by bolt pin body and nut pin cap, into
And connector sleeve is adjusted to the banding degree of motion bar to change the damping between motion bar and connector sleeve.
Further embodiment is that the lower end fixing sleeve of motion bar is equipped with tightening sleeve.
Tightening sleeve is set to the lower end of motion bar, can collapse the free segment of memory alloy wire and maintain the shape of motion bar lower end
Shape.
Further embodiment is that fixed strip end is equipped with the suspension hook bent inwardly, and the end of suspension hook is equipped with hook end bulb.
Further embodiment is that fixed strip end is additionally provided with the anchor thorn bent outward.
The suspension hook that end is equipped with hook end bulb can hook the musculi pectinati of left atrial appendage, and anchor thorn can then hook left auricle of heart wall,
Fixing piece can be firmly secured at left atrial appendage by the mutual cooperation of two class formations.
Further embodiment is that choked flow film is coated on fixing piece, and lower choked flow film is coated on cock body.
Further embodiment is that upper choked flow film is the polyester film on the inside of fixed strip and with fixed strip suture connection,
Or it is adhesively fixed in the double-deck eptfe film of fixed strip inner side and outer side.
Further embodiment is that lower choked flow film is the polyester film or be adhesively fixed in plug that suture is fixed on the inside of cock body
The eptfe film of body inner side and outer side.
It is more commonly used with splendid that polyester film and polytetrafluoroethylene film belong to implantable medical devices field
The macromolecule membrane of the good mechanical performances such as biocompatibility and tensile strength and impact strength, is occluder for left auricle
Ideal choked flow membrane material.
Detailed description of the invention
Fig. 1 is the structure chart for the adjustable occluder for left auricle embodiment that the present invention has sliding damping.
Fig. 2 is the cross-sectional view in Fig. 1 at A.
Fig. 3 is the company that the present invention has fixing piece and motion bar in the adjustable occluder for left auricle embodiment of sliding damping
Binding composition.
Fig. 4 is the company that the present invention has connector sleeve and motion bar in the adjustable occluder for left auricle embodiment of sliding damping
Binding composition.
Fig. 5 is that the present invention has knot of the adjustable occluder for left auricle embodiment of sliding damping under the first use state
Composition.
Fig. 6 is that the present invention has knot of the adjustable occluder for left auricle embodiment of sliding damping under the second use state
Composition.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Referring to Fig. 1 to 4, the adjustable occluder for left auricle provided by the invention for having sliding damping includes 1 He of closeouts
Fixing piece 2, closeouts 1 include the cock body 11 for the flat caged that braided wires are formed and the motion bar for being vertical at 11 top of cock body
12, fixing piece 2 includes the fixed strip 22 of connector sleeve 21 and the more inverted Us set on 21 upper end of connector sleeve, motion bar 12 it is upper
End is across connector sleeve 21 and is equipped with limit end 13, and the width of limit end 13 is greater than the internal diameter of connector sleeve 21.Motion bar 12 wraps
Two bursts of elastic strands are included, elastic strands contain more elastic yarns.A separation pin 23, two bursts of elasticity are fixed in connector sleeve 21
Tow passes through connector sleeve 21 via the two sides for separating pin 23.
Motion bar 12 is constituted in connector sleeve 21, two strands and elastic strands are separated by the pressure of separation pin 23, be mutually close to originally
This two bursts of elastic strands separated after internal elastic yarn change in form and distribution situation, thus this two strands of bullets
Sex pilus Shu Douhui occurs elastic deformation and is close to and squeezes separate pin 23, to produce when motion bar 12 is moved with respect to connector sleeve 21
Raw certain frictional force, and damper mechanism is introduced for this motion process.In addition elastic yarn constitute tow bar convenient for bending and
Torsion can preferably be connected cock body 11 and fixing piece 2 during the dynamic moving of heart, and mention for cock body 11 and fixing piece 2
For enough opposite scopes of activities.
Optionally, separate pin 23 pin without a head can be used or have a pin, correspondingly, the both ends of pin without a head require with
Connector sleeve 21 is welded and fixed, and has a pin that need to be welded and fixed in nail rod end and connector sleeve 21.Separate pin 23 may be used also
It is shaped in connector sleeve 21, at least one end is fixedly connected with 21 inner wall of connector sleeve.In addition it is readily apparent that, separates pin 23
Settable more, more separate pins 23 all along connector sleeve radially extend and it is not parallel, this helps to increase connector sleeve 21 and living
Damping between lever 12.
Closeouts 1 include more memory alloy wires 14, and memory alloy wire 14 includes weaving section 141 and being located to weave section 141
The free segment 142 of top, the braiding section 141 of more memory alloy wires 14 are knitted to form the cock body 11 of flat caged, and more memories are closed
The free segment 142 of spun gold 14 collapses the motion bar 12 for forming tow shape, and motion bar 12 is separated by separation pin 23 in connector sleeve 21
Two strands of memorial alloy tow.
The cock body 11 and motion bar 12 of integral structure help to simplify manufacture craft and the overall structure of raising closeouts 1 is strong
Degree.Memory alloy wire, such as Nitinol etc. usually all have good elasticity and shape-memory properties, pass through different technique
The performance requirement that both can meet simultaneously is made after cock body 11 and motion bar 12.
Separate pin 23 to be disposed through on connector sleeve 21, separating pin 23 includes the bolt pin body 231 and nut being threadedly coupled
Sell cap 232.The size on 23 length direction of pin can separated to connector sleeve 21 by bolt pin body 231 and nut pin cap 232
It is finely adjusted, and then adjusts connector sleeve 21 to the banding degree of motion bar 12 to change between motion bar 12 and connector sleeve 21
Damping.
The lower end fixing sleeve of motion bar 12 is equipped with tightening sleeve 15.Tightening sleeve 15 is set to the lower end of motion bar 12, can collapse
For the free segment 142 of memory alloy wire 14 to maintain the shape of 12 lower end of motion bar, collapsing set 15 can be by rod-shaped with tow
The memory alloy wire 14 of 12 periphery of motion bar is achieved a fixed connection by laser welding.
Limit end 13 include the bulb 131 that 142 top of the free segment hot melt of whole memory alloy wires 14 aggregates into and
Fixing sleeve is set to the sealing end cover 132 on bulb 131, and the outer diameter of sealing end cover 132 is greater than the internal diameter of connector sleeve 21.22 end of fixed strip
Equipped with the suspension hook 24 bent inwardly, the end of suspension hook 24 is equipped with hook end bulb 25, and 22 end of fixed strip is additionally provided with outside lateral bending
The anchor thorn 26 of folding.
Convenient for logical after the bulb 131 that 142 top of free segment of whole memory alloy wires 14 is integrated by hot melt polymerization
Sealing end 132 fixing sleeves of cover are provided thereon by the mode for crossing laser welding, can guarantee the structural strength and ball that limit end 13
First 131 cover 132 bonding strength with sealing end.As shown in Figure 5,6, the suspension hook 24 that end is equipped with hook end bulb 25 can hook left auricle of heart
Musculi pectinati 51 inside 5, anchor thorn 26 can then hook 5 inner wall of left auricle of heart, and the mutual cooperation of two class formations can be by fixing piece 2 steadily
It is fixed on inside left auricle of heart 5.
More memory alloy wires 14 are first taken when carrying out the integral production of cock body 11 and motion bar 12 and weave its lower section
As a braiding cylinder, upper section keeps free state.Braiding cylinder is then trimmed to the cock body 11 of flat caged, braiding cylinder lower end can
It is fixed by the screwed assembly including interior outer nut and toothed pad.14 upper section of memory alloy wire is bent again
It is allowed to perpendicular to cock body 11 and collapses bunchy.A receipts are welded and fixed in the tow lower end that 14 upper section of memory alloy wire is constituted later
Fixed 15, by tow upper end pass through connector sleeve 21 after by hot melting process be made a width be greater than connector sleeve 21 bulb it is i.e. complete
At the production of motion bar 12.
Referring to Fig. 1, it is coated with choked flow film 3 on fixing piece 2, lower choked flow film 4 is coated on cock body 11.Upper choked flow film 3 is
Set on 22 inside of fixed strip and the polyester film of connection is sutured with fixed strip 22 or is adhesively fixed on the inside of fixed strip 22 and outer
The double-deck eptfe film of side.Lower choked flow film 4 is polyester film or the bonding that 11 inside of cock body is fixed in suture
It is fixed on the eptfe film of 11 inner side and outer side of cock body.
It is more commonly used with splendid that polyester film and polytetrafluoroethylene film belong to implantable medical devices field
The macromolecule membrane of the good mechanical performances such as biocompatibility and tensile strength and impact strength is applied to 2 He of fixing piece
Ideal plugging effect can be played after cock body 11 to left auricle of heart.Since cock body 11 is three-dimensional cage structure, lower choked flow film 4
It is removable to be divided into two, it is respectively coated by suture or bond again behind the upper and lower part of cock body 11 and is integrated.
Claims (10)
1. a kind of have the adjustable occluder for left auricle for sliding damping, including closeouts and fixing piece, the closeouts include
The cock body for the flat caged that braided wires are formed and the motion bar being vertically installed at the top of the cock body, the fixing piece include connection
It covers and the more inverted U fixed strips set on the connection set upper side, the upper end of the motion bar passes through the connector sleeve and set
There is limit end, the width of the limit end is greater than the internal diameter of the connector sleeve, it is characterised in that:
The motion bar includes two bursts of elastic strands, and the elastic strands contain more elastic yarns, and fixation is set in the connector sleeve
There is a separation pin, two bursts of elastic strands pass through the connector sleeve via the two sides for separating pin.
2. having the adjustable occluder for left auricle of sliding damping as described in claim 1, it is characterised in that:
The closeouts include more memory alloy wires, and the memory alloy wire includes braiding section and is located above the braiding section
Free segment, the braiding section of the more memory alloy wires is knitted to form the cock body of flat caged, the more memorial alloys
The free segment of silk collapses the motion bar to form tow shape, and the motion bar in the connector sleeve is sold by the separation to be separated
At two strands of memorial alloy tow.
3. having the adjustable occluder for left auricle of sliding damping as claimed in claim 2, it is characterised in that:
The limit end includes that the free segment top of all memory alloy wires heats the bulb and fixing sleeve that aggregate into
The outer diameter of sealing end cover on the bulb, the sealing end cover is greater than the internal diameter of the connector sleeve.
4. the adjustable occluder for left auricle for having sliding damping as described in any one of claims 1 to 3, feature exist
In:
The separation pin is disposed through on the connector sleeve, and the pin that separates includes the bolt pin body being threadedly coupled and nut pin
Cap.
5. having the adjustable occluder for left auricle of sliding damping as claimed in claim 4, it is characterised in that:
The lower end fixing sleeve of the motion bar is equipped with tightening sleeve.
6. having the adjustable occluder for left auricle of sliding damping as claimed in claim 4, it is characterised in that:
The fixed strip end is equipped with the suspension hook bent inwardly, and the end of the suspension hook is equipped with hook end bulb.
7. having the adjustable occluder for left auricle of sliding damping as claimed in claim 4, it is characterised in that:
The fixed strip end is equipped with the anchor thorn bent outward.
8. having the adjustable occluder for left auricle of sliding damping as claimed in claim 4, it is characterised in that:
It is coated with choked flow film on the fixing piece, lower choked flow film is coated on the cock body.
9. having the adjustable occluder for left auricle of sliding damping as claimed in claim 8, it is characterised in that:
The upper choked flow film is to suture the polyester film connected or bonding on the inside of the fixed strip and with the fixed strip
It is fixed on the double-deck eptfe film of the fixed strip inner side and outer side.
10. having the adjustable occluder for left auricle of sliding damping as claimed in claim 8, it is characterised in that:
The lower choked flow film is the polyester film that suture is fixed on the inside of the cock body or is adhesively fixed on the inside of the cock body
With the eptfe film in outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910381800.5A CN110025350B (en) | 2019-05-08 | 2019-05-08 | Adjustable left atrial appendage occluder with sliding damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910381800.5A CN110025350B (en) | 2019-05-08 | 2019-05-08 | Adjustable left atrial appendage occluder with sliding damping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110025350A true CN110025350A (en) | 2019-07-19 |
| CN110025350B CN110025350B (en) | 2024-06-18 |
Family
ID=67241546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910381800.5A Active CN110025350B (en) | 2019-05-08 | 2019-05-08 | Adjustable left atrial appendage occluder with sliding damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110025350B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419302A (en) * | 2020-06-10 | 2020-07-17 | 上海介入医疗器械有限公司 | Left atrial appendage plugging device with adjustable distance and left atrial appendage plugging system |
| WO2023018697A1 (en) * | 2021-08-13 | 2023-02-16 | Boston Scientific Scimed, Inc. | Left atrial appendage implant with distal engagement element |
| CN116763384A (en) * | 2023-05-23 | 2023-09-19 | 上海玮启医疗器械有限公司 | Left auricle occluder with anticoagulation coating and preparation method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210447A (en) * | 2006-12-31 | 2008-07-02 | 柳州欧维姆机械股份有限公司 | Steel strand integral bundle extrusion anchor cable guy cable |
| CN202143640U (en) * | 2011-06-01 | 2012-02-15 | 先健科技(深圳)有限公司 | Left atrial appendage occluder |
| CN204215737U (en) * | 2014-11-06 | 2015-03-18 | 嘉兴奥亿普数据电缆有限公司 | Antiwind cable |
| CN104958087A (en) * | 2015-07-28 | 2015-10-07 | 杭州德诺科技有限公司 | A left auricle occluding device |
| CN105662512A (en) * | 2015-12-28 | 2016-06-15 | 广东脉搏医疗科技有限公司 | Atrial appendage plugging implantation material |
| US20170172742A1 (en) * | 1999-08-09 | 2017-06-22 | Alexander Khairkhahan | System for improving cardiac function by sealing a partitioning membrane within a ventricle |
| US20170189160A1 (en) * | 2014-05-21 | 2017-07-06 | Swat Medical Ab | Improved embolic protection device and method |
| CN207765187U (en) * | 2018-01-12 | 2018-08-24 | 河南省大明电缆有限公司 | A kind of high-strength insulating aerial cable |
| CN108926368A (en) * | 2017-05-23 | 2018-12-04 | 杭州诺茂医疗科技有限公司 | It is a kind of to use the occluder for left auricle and its assembly method for being cross-linked structure |
| US20190021741A1 (en) * | 2015-12-29 | 2019-01-24 | Shenzhen Kyd Biomedical Tehcnology Co. Ltd. | Left atrial appendage closure apparatus |
| CN208511017U (en) * | 2017-11-22 | 2019-02-19 | 吴峰 | A kind of electrocardiogram lead wire recyclable device |
| CN210185634U (en) * | 2019-05-08 | 2020-03-27 | 广东脉搏医疗科技有限公司 | Adjustable left atrial appendage occluder with sliding damping |
-
2019
- 2019-05-08 CN CN201910381800.5A patent/CN110025350B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170172742A1 (en) * | 1999-08-09 | 2017-06-22 | Alexander Khairkhahan | System for improving cardiac function by sealing a partitioning membrane within a ventricle |
| CN101210447A (en) * | 2006-12-31 | 2008-07-02 | 柳州欧维姆机械股份有限公司 | Steel strand integral bundle extrusion anchor cable guy cable |
| CN202143640U (en) * | 2011-06-01 | 2012-02-15 | 先健科技(深圳)有限公司 | Left atrial appendage occluder |
| US20170189160A1 (en) * | 2014-05-21 | 2017-07-06 | Swat Medical Ab | Improved embolic protection device and method |
| CN204215737U (en) * | 2014-11-06 | 2015-03-18 | 嘉兴奥亿普数据电缆有限公司 | Antiwind cable |
| CN104958087A (en) * | 2015-07-28 | 2015-10-07 | 杭州德诺科技有限公司 | A left auricle occluding device |
| CN105662512A (en) * | 2015-12-28 | 2016-06-15 | 广东脉搏医疗科技有限公司 | Atrial appendage plugging implantation material |
| US20190021741A1 (en) * | 2015-12-29 | 2019-01-24 | Shenzhen Kyd Biomedical Tehcnology Co. Ltd. | Left atrial appendage closure apparatus |
| CN108926368A (en) * | 2017-05-23 | 2018-12-04 | 杭州诺茂医疗科技有限公司 | It is a kind of to use the occluder for left auricle and its assembly method for being cross-linked structure |
| CN208511017U (en) * | 2017-11-22 | 2019-02-19 | 吴峰 | A kind of electrocardiogram lead wire recyclable device |
| CN207765187U (en) * | 2018-01-12 | 2018-08-24 | 河南省大明电缆有限公司 | A kind of high-strength insulating aerial cable |
| CN210185634U (en) * | 2019-05-08 | 2020-03-27 | 广东脉搏医疗科技有限公司 | Adjustable left atrial appendage occluder with sliding damping |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419302A (en) * | 2020-06-10 | 2020-07-17 | 上海介入医疗器械有限公司 | Left atrial appendage plugging device with adjustable distance and left atrial appendage plugging system |
| WO2023018697A1 (en) * | 2021-08-13 | 2023-02-16 | Boston Scientific Scimed, Inc. | Left atrial appendage implant with distal engagement element |
| CN116763384A (en) * | 2023-05-23 | 2023-09-19 | 上海玮启医疗器械有限公司 | Left auricle occluder with anticoagulation coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110025350B (en) | 2024-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110025350A (en) | The adjustable occluder for left auricle for having sliding damping | |
| CN104905828B (en) | A kind of plugging device of the flat disk with included-angle-changeable | |
| CN106344100B (en) | Occluder for left auricle | |
| US20080033478A1 (en) | Occlusion device with tension member | |
| US20070208376A1 (en) | Occlusion device with internal fastener | |
| US20070233186A1 (en) | Occlusion device with edge profile that reduces tissue damage | |
| CN105662512B (en) | A kind of atrial appendage occlusion implant | |
| US11026691B2 (en) | Occuluder | |
| US20040143277A1 (en) | Hoop design for occlusion device | |
| EP3398536B1 (en) | Left atrial appendage occluder | |
| EP1670345A2 (en) | Asd closure device with self centering arm network | |
| WO2020259710A1 (en) | Plugging device | |
| CN205493920U (en) | Body is implanted in auricle shutoff | |
| CN107753068B (en) | Plugging device | |
| JP2022534076A (en) | Occluder with elastic waist | |
| CN106880389A (en) | One kind tissue folder closes system | |
| CN106923884B (en) | Occluder for left auricle | |
| EP3744264B1 (en) | Occluder, and medical device | |
| CN107397561A (en) | A kind of oval hole plugging device | |
| CN109350139A (en) | Implantable atrium part flow arrangement | |
| CN101642395A (en) | Ostomy bracket | |
| CN106821427B (en) | A kind of Novel room is every defect plugging device | |
| CN203677313U (en) | Nano-film single-rivet occluder | |
| CN113288312A (en) | Membrane-free partially degradable left atrial appendage occluder | |
| CN210185634U (en) | Adjustable left atrial appendage occluder with sliding damping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |