CN209518884U - Heart atrial septal defect plugging device - Google Patents
Heart atrial septal defect plugging device Download PDFInfo
- Publication number
- CN209518884U CN209518884U CN201821459094.9U CN201821459094U CN209518884U CN 209518884 U CN209518884 U CN 209518884U CN 201821459094 U CN201821459094 U CN 201821459094U CN 209518884 U CN209518884 U CN 209518884U
- Authority
- CN
- China
- Prior art keywords
- net
- plate
- plugging device
- septal defect
- atrial septal
- 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.)
- Expired - Fee Related
Links
Landscapes
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to a kind of heart atrial septal defect plugging device, the heart atrial septal defect plugging device includes sequentially connected first plate-like net, tubular reticulum and the second plate-like net, and the nearly tubular reticulum one end of the first plate-like net is equipped with hangnail, the hangnail camber.Plugging device is released rear hangnail by conveying device and is pierced into remaining atrial septum surface, plays the role of anchoring, makes it that positional shift not occur under heartbeat and blood flow impact.This reversed acanthoid structure can effectively increase the stability of plugging device, prevent plugging device from falling off, and greatly reduce operation risk.
Description
Technical field
The utility model relates to a kind of medical instrument, a kind of a kind of used when more particularly to intracardiac interventional therapy heart
Atrial septal defect plugging device.
Background technique
Atrial septal defect is a kind of common congenital heart disease, refers to atrial septum during it occurs, absorbs
There is exception, fails normally closed, it is caused to remain access hole between left atrium.Surgical operation is treatment atrial septal defect
Conventional method, but wound is big, complication is more.With the development of medical material science and technology, over the past two decades, through intubation intervention technology
It has gradually replaced surgical operation and has become the primary treatment regimen of atrial septal defect, technical principle is the device using umbrella disk shape
To block defect.Clinically most widely used is Amplatzer type plugging device, is in double plate piece eel-like figure shape structure, passes through
Left and right umbrella disk prevents intracardiac shunt to the clamping action of the residual side texture in atrial septum.Plugging device based on such clamping action mechanism
It is only suitable for the case for having side texture residual enough, is not suitable for the scarce patient in room that residual side is short and small or lacks.But nonetheless, plugging device is de-
Falling is still the most common complication of this interventional treatments, the plugging device to fall off can embolism vitals cause it is serious after
Fruit.Such as plugging device, which takes off, can cause atrial premature beats into atrium, front breakthrough pain, feel oppressed, chest discomfort symptom；Taking off can into ventricle
Cause the ventricular arrhythmias such as palpitation, the room of taking place frequently morning, ventricular tachycardia；Take off the change that similar pulmonary embolism can occur into pulmonary artery.In order to mention
High stability, Amplatzer type plugging device considerably increases the area of left and right umbrella disk in design.In practical application, operation
Doctor's preference selects bigger plugging device with anti-dropout.And the excessive disadvantage of plugging device not only increases conducting system damage
Wound, the risk of left room top abrasion；It is incomplete also to will cause umbrella disk endothelialization, is easy secondary thrombus and generates.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of heart atrial septal defects
Plugging device, for solving the problems, such as the stability and poor universality of plugging device in the prior art.
To achieve the above object, the technical solution of the utility model is as follows: providing a kind of heart atrial septal defect envelope
Stifled device, which is characterized in that the heart atrial septal defect plugging device includes sequentially connected first plate-like net, tubular reticulum and second
Plate-like net, first plate-like are equipped with hangnail on the net, and the hangnail is located at the first plate-like net and the second plate-like net phase
Pair side, the hangnail be arc.The hangnail plays the role of anchoring.The effect of hangnail is anchoring atrial septal defect plugging device
In the position on remaining atrial septum surface, make it that positional shift not occur under heartbeat and blood flow impact.Envelope can be effectively increased
The stability of stifled device, prevents plugging device from falling off.The arc-shaped deformation for making hangnail bottom end of the hangnail or bending degree are very small,
And then atrial septal defect plugging device can repeatedly be pushed and pulled, it is not necessary to select inappropriate positioning area because of the limitation of instrument, drop
The risk of low operation reduces the damage to patient.
Further, the first plate-like net, tubular reticulum and the second plate-like net are woven by elastic metallic yarn, it is described fall
Thorn is by carving and bending after elastic metallic yarn locally forging and stamping.The design makes hangnail be not easy to fall.The firmness of hangnail is preferable,
Hangnail is not easily to fall off, so as to by atrial septal defect plugging device securely, be reliably attached at remaining atrial septum surface.
Further, the hangnail quantity is 2 or multiple.Guarantee anchoring effect.
Further, the hangnail arc length is 1-5mm.
The radian of the hangnail be α, 10 °≤α≤270 °.
The online hangnail central symmetry distribution of first plate-like；The online hangnail central symmetry of second plate-like point
Cloth.
The top of the hangnail is equipped with drag reduction hook portion.After heart atrial septal defect plugging device is incorporated into driving means,
The drag reduction hook portion of the hangnail is contacted with the inner wall of sheath in driving means for line.
The disk body diameter of the first plate-like net is a, and the disk body diameter of the second plate-like net is b, the tubular reticulum
Diameter is c, c < b≤a≤3c.Due to reducing plugging device umbrella disk area, which can be matched
Lesser sheath reduces damage of the sheath to patient's blood vessel wall.
Blood flow barrier film is equipped in the first plate-like net and the second plate-like net.Play the role of obstructing blood flow.
The blood flow barrier film has one or more layers.The effect of enhancing barrier blood flow.
The disk body center of the first plate-like net is equipped with first set block, and the disk body center of the second plate-like net is equipped with the
Two set blocks.The first set block fixes the first plate-like net for constraining, and the second set block fixes second for constraining
Plate-like net.
The second set block includes interior steel bushing and outer steel sleeve, and the interior steel bushing is connected with the second plate-like net, described
Outer steel sleeve is connected with the interior steel bushing, and the inner wall of the outer steel sleeve is equipped with internal screw thread.For by heart atrial septal defect plugging device
It is connected with the push rod in driving means.
As described above, the utility model relates to a kind of heart atrial septal defect plugging device, have the advantages that
The heart atrial septal defect plugging device stable structure, adapt to greatest extent remaining atrial septum surface various structures and
Sizes.Any ostium secundum defect can be blocked, be especially suitable for edge it is soft, it is short in addition missing case.This reality
It is smaller than traditional plugging device diameter with the diameter of novel plugging device, can effectively avoid plugging device compressing conducting system, bicuspid valve and
To coronary sinus vein.In addition it also contributes to reducing and the potential risk of thrombus occurs because the endothelialization of umbrella disk is not complete.This is practical new
Type relative reduction operation risk and operation expand market, are conducive to patient and do multiple choices to the technical requirements of doctor,
The psychological burden of doctor in art is reduced, clinical meaning highlights.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.
Fig. 1 is the structural schematic diagram of the utility model heart atrial septal defect plugging device；
Fig. 2 is the schematic diagram of the section structure of the utility model heart atrial septal defect plugging device second set point；
Fig. 3 is the schematic diagram of the section structure of the utility model heart atrial septal defect plugging device first set point；
Fig. 4 is the enlarged drawing of the utility model heart atrial septal defect plugging device hangnail；
Fig. 5 is the structural schematic diagram that the utility model heart atrial septal defect plugging device has hangnail wire；
Fig. 5 A be the barbed wire side structure schematic diagram of the utility model heart atrial septal defect plugging device band and
Partial enlarged view；
Fig. 6 is that the utility model heart atrial septal defect plugging device all takes in the status diagram after sheath；
Fig. 7 is the state signal that the utility model heart atrial septal defect plugging device small part hangnail is discharged from sheath
Figure；
Drawing reference numeral explanation
1 first plate-like net
2 barrier films
3 second set points
4 hangnails
4.1 drag reduction hook portions
5 first set points
6 elastic metallic yarns
Steel bushing in 7
8 outer steel sleeves
9 second plate-like nets
10 tubular reticulums
11 delivery sheaths
12 push rod
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Fig. 1 is please referred to Fig. 7.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
As shown in Figure 1, heart atrial septal defect plugging device provided by the utility model, the heart atrial septal defect is blocked
Device includes sequentially connected first plate-like net 1, tubular reticulum 10 and the second plate-like net 9, the nearly tubular reticulum one end of the first plate-like net
Equipped with adjustable hangnail 4, the hangnail 4 is arc.The hangnail plays the role of anchoring.The effect of hangnail is that anchoring atrial septum lacks
Plugging device is damaged in the position on remaining atrial septum surface, makes it that positional shift not occur under heartbeat and blood flow impact.Can have
Effect increases the stability of plugging device, prevents plugging device from falling off.The arc-shaped deformation or bending for making hangnail bottom end of the hangnail
Degree is very small, and then can repeatedly be pushed and pulled to atrial septal defect plugging device, it is not necessary to select because of the limitation of instrument inappropriate
Positioning area reduces the risk of operation, reduces the damage to patient.
The first plate-like net 1, tubular reticulum 10 and the second plate-like net 9 are woven by elastic metallic yarn 6, such as Fig. 4 and Fig. 5
Shown, the hangnail 4 after 6 part forging and stamping of elastic metallic yarn by carving.The engraving mode is laser engraving.The design makes
Hangnail is not easy to fall.The firmness of hangnail is preferable, and hangnail is not easily to fall off, so as to atrial septal defect plugging device is secured, reliable
Ground is attached at remaining atrial septum surface.
In the heart-type atrial septal defect plugging device, first the part of elastic metallic yarn is forged and pressed, makes wire office
Portion forms bluff body, then carves out one on the wide face of the bluff body with laser and is embedded in the bluff body and one end
Connect the nematophore of the bluff body.The nematophore is bent to get the hangnail 4 is arrived.Later again by the elasticity gold with hangnail 4
Belong to silk and other elastic metallic yarn shufflings into the first plate-like net 1, tubular reticulum 10 and the second plate-like net of atrial septal defect plugging device
9。
Preferably, the elastic metallic yarn 6 is nitinol alloy wire.It is highly preferred that the elastic metallic yarn 6 is super-elasticity doctor
Use nitinol alloy wire.
Preferably, the hangnail 4 for being located at the first plate-like net 1 is described to be located at the second plate-like towards the second plate-like net 9
The hangnail 4 of net 9 towards the first plate-like net 1.
4 quantity of hangnail is 2 or multiple.Guarantee anchoring effect.
4 arc length of hangnail is 1-5mm.
The radian of the hangnail 4 be α, 10 °≤α≤270 °.
In one embodiment, the online hangnail central symmetry distribution of first plate-like；Second plate-like is online
Hangnail central symmetry distribution.
As shown in figure and 5 and Fig. 5 A, the top of the hangnail 4 is equipped with drag reduction hook portion 4.1.When heart echocardiography in atrial septal defect
After device is incorporated into driving means, the drag reduction hook portion of the hangnail is contacted with the inner wall of delivery sheath 11 in driving means for line.
Preferably, the drag reduction hook portion 4.1 is arc.The opening court of the opening direction and the hangnail of the drag reduction hook portion
To opposite.
The disk body diameter of the first plate-like net is a, and the disk body diameter of the second plate-like net is b, the tubular reticulum
Diameter is c, c < b≤a≤3c.Preferably, b=c+3mm, a=c+4mm.It, should due to reducing plugging device umbrella disk area
Atrial septal defect plugging device can match lesser sheath, reduce damage of the sheath to patient's blood vessel wall.
As shown in Figure 1, being equipped with blood flow barrier film 2 in the first plate-like net and the second plate-like net.Play barrier blood flow
Effect.
The blood flow barrier film 2 has one or more layers.The effect of enhancing barrier blood flow.The blood flow barrier film 2 is by pure poly-
Ester fiber non-woven fabrics is made.
As shown in figure 3, the disk body center of the first plate-like net 1 is equipped with first set block 5.The first set block 5 is
Steel bushing.As shown in Fig. 2, the disk body center of the second plate-like net 9 is equipped with second set block 3.5 pieces of the first set for about
Beam fixes the first plate-like net 1.Specifically referring to: the first plate-like net 1 is equipped with first set block 5, the second plate-like net 9
Equipped with second set block 3.The first plate-like net 1 is woven by elastic metallic yarn 6, after the completion of braiding, the elastic metallic
One end of silk 6 collects in the center of the first plate-like net 1, and the first set block 5 is for being fixed.The second set
Block 3 fixes the second plate-like net 9 for constraining.Specifically referring to: the second plate-like net 9 is woven by elastic metallic yarn 6,
After the completion of braiding, one end of the elastic metallic yarn 6 collects in the center of the second plate-like net 9, and the first set block 5 is used
In being fixed.
As shown in Fig. 2, the second set block 3 includes interior steel bushing 7 and outer steel sleeve 8, the interior steel bushing 7 and second disk
Shape net 9 is connected, and the outer steel sleeve 8 is connected with the interior steel bushing 7.The inner wall of the outer steel sleeve 8 is equipped with internal screw thread.The interior steel bushing
7 fix the first plate-like net 1 for constraining.The outer steel sleeve 8 is used for heart atrial septal defect plugging device and driving means
In push rod 12 be connected.The outer steel sleeve 8 is provided with an internal thread hole, the screw with 12 head end of push rod
It is connected.
When using the heart atrial septal defect plugging device of the utility model, first by 12 screw of push rod and outer steel sleeve 8
In internal screw thread engagement, to link together, driving handle can make push rod 12 push forward, so that heart room
Septal defect blocking device pushes to patient's lesion locations out of delivery sheath 11, and heart atrial septal defect plugging device is from conveying at this time
It is discharged in sheath 11, after the first plate-like net 1 releases, using the hangnail 4 being located on the first plate-like net 1 by the first plate-like net 1
It is anchored in lesion locations, is discharged the second plate-like net 9 from delivery sheath 11 after anchoring, then using positioned at the second plate-like
Second plate-like net 9 is anchored by the hangnail 4 on net 9 in lesion locations, after fixing heart atrial septal defect plugging device, is twisted
Dynamic push rod 12, so that 12 screw of push rod and internal thread hole are detached from, so that push rod 12 and heart atrial septal defect be made to block
Device mutually separates.
As shown in fig. 6, the heart atrial septal defect plugging device is during taking in delivery sheath 11, the second plate-like net
9 shape can gradually be stretched in delivery sheath 11 in alignment by disc-shaped, and then the first plate-like net 1 also can be by disc-shaped
Gradually stretched in delivery sheath 11 in alignment, the final entire heart atrial septal defect plugging device shape income that can be in line is defeated
It send in sheath 11.As shown in fig. 7, the heart atrial septal defect plugging device is during releasing delivery sheath 11, first
Plate-like net 1 and the second plate-like net 9 can finally restore default extension shape successively by linearly gradually extending；Hangnail 4 is in the first disk
During shape net 1 restores default extension shape, delivery sheath 11 is gradually stretched out, arc is restored；The heart atrial septal defect
Plugging device can still restore default extension shape after repeated multiple times income and releasing delivery sheath 11.The heart atrial septum lacks
Plugging device is damaged during take in delivery sheath 11, the hangnail 4, which is understood from arc stretching of taking advantage of a situation, becomes straight line, and restores fitting
It is forged and pressed in plane in the elastic metallic yarn 6 where hangnail 4, the hangnail 4 after recovery will not both hinder heart atrial septal defect to block
The income process of device, will not be because of the damage on remaining atrial septum surface caused by pulling heart atrial septal defect plugging device；Heart room
For septal defect blocking device during the release of delivery sheath 11, the hangnail 4 gradually stretches out delivery sheath 11, restores arc,
Thorn 4 can tolerate repeated multiple times stretching.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, not for limitation utility model.
Any person skilled in the art can all modify above-described embodiment under the spirit and scope without prejudice to the utility model
Or change.Therefore, such as those of ordinary skill in the art without departing from the utility model it is revealed spirit with
All equivalent modifications completed under technical idea or change should be covered by the claim of the utility model.
Claims (12)
1. a kind of heart atrial septal defect plugging device, which is characterized in that the heart atrial septal defect plugging device includes successively connecting
The first plate-like net (1), tubular reticulum (10) and the second plate-like net (9) connect, the first plate-like net be equipped with hangnail (4), it is described fall
Thorn (4) is located at the first plate-like net side opposite with the second plate-like net, and the hangnail (4) is arc.
2. heart atrial septal defect plugging device according to claim 1, which is characterized in that the first plate-like net (1), pipe
Shape net (10) and the second plate-like net (9) are woven by elastic metallic yarn (6), and the hangnail (4) is by elastic metallic yarn (6) part
It carves and bends after forging and stamping.
3. heart atrial septal defect plugging device according to claim 1, which is characterized in that hangnail (4) quantity is 2
Or it is multiple.
4. heart atrial septal defect plugging device according to claim 1, which is characterized in that the arc length of the hangnail (4) is
1-5mm。
5. heart atrial septal defect plugging device according to claim 1, which is characterized in that the radian of the hangnail (4) is
α, 10 °≤α≤270 °.
6. heart atrial septal defect plugging device according to claim 1, which is characterized in that on the first plate-like net (1)
Hangnail (4) central symmetry distribution.
7. heart atrial septal defect plugging device according to claim 1, which is characterized in that the top of the hangnail (4) is set
There are drag reduction hook portion (4.1).
8. heart atrial septal defect plugging device according to claim 1, which is characterized in that the first plate-like net (1)
Disk body diameter is a, and the disk body diameter of the second plate-like net (9) is b, and the diameter of the tubular reticulum (10) is c, c < b≤a≤
3c。
9. heart atrial septal defect plugging device according to claim 1, which is characterized in that the first plate-like net and second
Blood flow barrier film (2) are equipped in plate-like net.
10. heart atrial septal defect plugging device according to claim 9, which is characterized in that the blood flow barrier film (2) has
One or more layers.
11. heart atrial septal defect plugging device according to claim 1, which is characterized in that the first plate-like net (1)
Disk body center is equipped with first set block (5), and the disk body center of the second plate-like net (9) is equipped with second set block (3).
12. heart atrial septal defect plugging device according to claim 11, which is characterized in that the second set block (3)
Including interior steel bushing (7) and outer steel sleeve (8), the interior steel bushing (7) is connected with the second plate-like net (9), the outer steel sleeve and institute
It states interior steel bushing (7) to be connected, has internal screw thread on the inner wall of outer steel sleeve (8) proximal end, can be connected with push rod (12) screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459094.9U CN209518884U (en) | 2018-09-07 | 2018-09-07 | Heart atrial septal defect plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821459094.9U CN209518884U (en) | 2018-09-07 | 2018-09-07 | Heart atrial septal defect plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209518884U true CN209518884U (en) | 2019-10-22 |
Family
ID=68212459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821459094.9U Expired - Fee Related CN209518884U (en) | 2018-09-07 | 2018-09-07 | Heart atrial septal defect plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209518884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077756A (en) * | 2018-09-07 | 2018-12-25 | 赵天力 | Heart atrial septal defect plugging device |
| CN114305537A (en) * | 2022-01-19 | 2022-04-12 | 上海腾复医疗科技有限公司 | Interatrial septum blood flow channel creation device |
-
2018
- 2018-09-07 CN CN201821459094.9U patent/CN209518884U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077756A (en) * | 2018-09-07 | 2018-12-25 | 赵天力 | Heart atrial septal defect plugging device |
| CN114305537A (en) * | 2022-01-19 | 2022-04-12 | 上海腾复医疗科技有限公司 | Interatrial septum blood flow channel creation device |
| CN114305537B (en) * | 2022-01-19 | 2024-04-09 | 上海腾复医疗科技有限公司 | Device for creating blood flow channel between rooms |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11191546B2 (en) | Left atrial appendage occluder and fabricating method therefor | |
| EP3498224B1 (en) | Valve clip device | |
| US11284871B2 (en) | Uncoupled LAA device | |
| CA2467702C (en) | Coupling system useful in placement of implants | |
| US8372113B2 (en) | Curved arm intracardiac occluder | |
| CN105662512B (en) | A kind of atrial appendage occlusion implant | |
| JP2009000497A (en) | Multi-layer braided structure for occluding vascular defect | |
| CN109077756A (en) | Heart atrial septal defect plugging device | |
| WO2020216207A1 (en) | Occluder support and preparation method therefor | |
| CN209518884U (en) | Heart atrial septal defect plugging device | |
| WO2022252878A1 (en) | Implantation device having fishbone-shaped anchoring structures and delivery system therefor | |
| CN114587472B (en) | Plugging device | |
| CN112472197A (en) | Left auricle plugging device | |
| CN107397561A (en) | A kind of oval hole plugging device | |
| CN207384314U (en) | A kind of netted catching device of disposable medical three-dimensional space | |
| CN113288312A (en) | Membrane-free partially degradable left atrial appendage occluder | |
| Pedra et al. | Transcatheter closure of perimembranous ventricular septal defects | |
| CN208435687U (en) | A kind of oval hole plugging device | |
| CN203677313U (en) | Nano-film single-rivet occluder | |
| CN205072925U (en) | Heart atrial septal defect plugging device | |
| CN105326536A (en) | Percutaneous left atrial appendage occluder | |
| CN101966092A (en) | Medical plugging device | |
| CN211355676U (en) | Patent ductus arteriosus occluder | |
| CN204133501U (en) | A kind of plugging device | |
| CN208582457U (en) | Occluder for left auricle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20200907 |