CN205286438U - Left atrial appendage occluder - Google Patents
Left atrial appendage occluder Download PDFInfo
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- CN205286438U CN205286438U CN201521133418.6U CN201521133418U CN205286438U CN 205286438 U CN205286438 U CN 205286438U CN 201521133418 U CN201521133418 U CN 201521133418U CN 205286438 U CN205286438 U CN 205286438U
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- occluder
- left auricle
- network
- choked flow
- jointing
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Abstract
Left atrial appendage occluder includes network, choked flow membrane and multiunit mounting. The network has first end, the second end and connects the all portions between first end and the second end. The network includes attach fitting and many spinal branchs frame trabecula, and the formation first end is collectd to the trabecular one end of many spinal branchs frame, and the trabecular other end of many spinal branchs frame collects the formation the second end, and the attach fitting is installed at the second end. The last part of being close to the second end of choked flow membrane cladding the second end and week portion. The multiunit mounting sets up in the network along the axial interval of network, and every group mounting includes a plurality of grasps, and a plurality of grasps set up around the center pin interval of network. This left atrial appendage occluder adopts the multiunit grasp to fix, and the first end collects formation for many spinal branchs frame trabecula, can ensure that the plugging device is fixed firm, reduces the plugging device and drops, increases plugging device surface smoothness simultaneously, reduces bad incident incidences such as pericardial effusion.
Description
Technical field
This utility model relates to medical machinery field, in particular to a kind of occluder for left auricle.
Background technology
Atrial fibrillation (atrial fibrillation) is one of a kind of arrhythmia most commonly seen clinically, and wherein sickness rate increases with the age and increases. After deliberation, special occluder for left auricle is used to make left atrial appendage occlusion, thus reaching the purpose of prevention atrial fibrillation thromboembolism, it it is a kind of wound that development in recent years is got up less Therapeutic Method less, simple to operate, consuming time, current many scholars are devoted to the research applying this technical prevention atrial fibrillation thromboembolism, and make great progress.
It is open architecture that occluder for left auricle of the prior art inserts that one end of left auricle, and surface flatness is inadequate, easily produces the adverse events such as pericardial effusion in operation; The negligible amounts of support girder and grasp, fix tightly soundness is inadequate, and in operation, occluder for left auricle easily comes off, subsides.
Utility model content
The purpose of this utility model is in that to provide a kind of occluder for left auricle, in operation, it is possible to make it be firmly fixed on left auricle, and reduces the generation of accident in operation.
This utility model realizes by the following technical solutions:
A kind of occluder for left auricle, including network, choked flow film and organize fixture more. Network has first end, the second end and the perimembranous being connected between first end and the second end. Network includes jointing and many support girders, and formation first end is collected in one end of many support girders, and the other end of many support girders collects formation the second end, and jointing is arranged on the second end. Near the part of the second end on choked flow film cladding the second end and perimembranous. Many group fixtures are arranged at network along the axially spaced-apart of network, and often group fixture includes multiple grasp, and multiple grasps are arranged around the central shaft interval of network.
Further, in this utility model preferred embodiment, above-mentioned many group fixtures include 2-4 group.
Further, in this utility model preferred embodiment, above-mentioned many support girders include 12-24 root.
Further, in this utility model preferred embodiment, above-mentioned choked flow film is coated with the second end and whole perimembranous.
Further, in this utility model preferred embodiment, multiple grasps traverse choked flow film of the above-mentioned least one sets organizing fixture more.
Further, in this utility model preferred embodiment, above-mentioned jointing is flexible connecting structure.
Further, in this utility model preferred embodiment, above-mentioned occluder for left auricle also includes push rod, and push rod is dismountable to be connected with jointing.
Further, in this utility model preferred embodiment, above-mentioned occluder for left auricle also includes developing ring, and developing ring is set in push rod.
Further, in this utility model preferred embodiment, above-mentioned developing ring and jointing connect.
Further, in this utility model preferred embodiment, above-mentioned flexible connecting structure is spring or rubber.
Occluder for left auricle of the present utility model provides the benefit that:
The occluder for left auricle that this utility model provides, its network includes jointing and many support girders, formation first end is collected in one end of many support girders, operation is inserted left auricle by first end, formed owing to first end is collected by many support girders, it it is smooth end during occluder for left auricle Guan Bi, occluder for left auricle is being pushed in the process of left auricle, the tissue of its periphery will not be caused damage, arrival specific bit postpones occluder for left auricle and opens, form the structure that first end is gradually increased to the second end, therefore, the surface flatness of occluder for left auricle can be increased, it is prevented effectively from the occluder for left auricle damage to left auricle and perienchyma, reduce the generation of pericardial effusion adverse events. meanwhile, when operation, it has been found that the position of occluder for left auricle is provided with mistakes, and can occluder for left auricle be regained completely, provide in operation process for doctor relocate, the chance of the installation occluder for left auricle of reselection. additionally, choked flow film is coated with the part in the second end and perimembranous near the second end, it is possible to anti-tampon passes through from gap to enter blood circulation. additionally, the other end of many support girders collects formation the second end, jointing is arranged on the second end, jointing can be installed auxiliary occluder for left auricle and enter the parts of left auricle. in addition, many group fixtures are arranged on network along the axially spaced-apart of network, often group fixture includes multiple grasp, multiple grasps are arranged around the central shaft interval of network, the spaced grasp of multicomponent layer, the fix tightly soundness of occluder for left auricle can be improved, it is prevented that occluder for left auricle comes off, and subsides.
Additionally, in embodiment of the present utility model, choked flow film is coated with the second end and whole perimembranous. Whole perimembranous is coated with choked flow film, has better plugging effect, improves the stickiness of occluder for left auricle and left auricle inwall, effectively reduce the gap of occluder for left auricle and left auricle inwall, reducing the probability that thrombosis passes through from gap, thus improving plugging effect, being more beneficial for the health of patient.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the occluder for left auricle structural representation of this utility model first embodiment;
Fig. 2 is the front view of the network of the occluder for left auricle of this utility model first embodiment;
Fig. 3 is the top view of the network of the occluder for left auricle of this utility model first embodiment;
Fig. 4 is the structural representation of the support girder of the occluder for left auricle of this utility model first embodiment;
Fig. 5 is the distressed structure schematic diagram of the occluder for left auricle of this utility model first embodiment;
Fig. 6 is the occluder for left auricle structural representation of this utility model the second embodiment;
Fig. 7 is the occluder for left auricle structural representation of this utility model the 3rd embodiment.
Accompanying drawing labelling collects:
Occluder for left auricle: 100,200,300; Network: 120; First end: 122; The second end: 123; Perimembranous: 124; Jointing 126,326; Support girder 128; Choked flow film: 140,240; Fixture: 160; Grasp: 162; Push rod 380; Developing ring 390.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments. Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein. Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it is necessary to explanation, term " first ", " second ", etc. be only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it can further be stated that, unless otherwise clearly defined and limited, term " setting ", " installation ", " connection " should be interpreted broadly, for the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
First embodiment
Refer to Fig. 1, present embodiments provide a kind of occluder for left auricle 100, occluder for left auricle 100 includes network 120, choked flow film 140 and many group fixtures 160.
Specifically, refer to Fig. 1 and Fig. 2, network 120 has first end 122, the second end 123 and the perimembranous 124 being connected between first end 122 and the second end 123. Network 120 includes jointing 126 and many support girders 128, formation first end 122 is collected in one end of many support girders 128, the other end of many support girders 128 collects formation the second end 123, and jointing 126 is arranged on the second end 123.
Specifically, refer to Fig. 2 and Fig. 3, many support girders 128 form network 120. Many support girders 128 such as can arrange 12-24 root. Refer to Fig. 4,128 one-tenth A-frame shapes of every support girder, to increase its stability. Many support girders 128 are staggered, enclose formation network 120. Increase the quantity of the support girder 128 of occluder for left auricle 100, occluder for left auricle 100 is when entering in induction system, can be easier to become use state from original state, thus improving the compliance of occluder for left auricle 100, make it easier to by carrier, arrive diseased region, adapt to the anatomical structure of left auricle.Obviously, the quantity of occluder for left auricle 100 support girder 128 can be set to different radicals according to sick human needs, in the present embodiment, the quantity of support girder 128 is such as 12, its every support girder 128 with enclose after the angle of the central shaft of network 120 that formed be 30 degree, thus having more stability. In other embodiments, the quantity of support girder 128 such as 24, occluder for left auricle 100 is easier to deformation, has good compliance; In other embodiments, the quantity of support girder 128 such as may also be 16.
In a state of use, occluder for left auricle 100 fully opens, and it is less that network 120 forms first end 122, the state that the second end 123 is bigger. formation first end 122 is collected in one end of many support girders 128, operation is inserted left auricle by first end 122, formed owing to first end 122 is collected by one end of many support girders 128, in smooth end, occluder for left auricle 100 is being pushed in the process of left auricle, the tissue of its periphery will not be caused damage, arrival specific bit postpones occluder for left auricle 100 and opens, the surface flatness of occluder for left auricle 100 can be increased, it is prevented effectively from the occluder for left auricle 100 damage to left auricle and perienchyma, reduce the generation of pericardial effusion adverse events, simultaneously, first end 122 owing to inserting left auricle is collected the end formed in smooth by one end of many support girders 128, when operation, find that the position of occluder for left auricle 100 is provided with to mistake, occluder for left auricle 100 can be regained completely, provide in operation process for doctor and relocate, the chance of the installation occluder for left auricle 100 of reselection. the other end of support girder 128 collects formation the second end 123, and jointing 126 is arranged on the second end 123, jointing 126 can be installed auxiliary occluder for left auricle 100 and enter the parts of left auricle.
Choked flow film 140 is coated with in the second end 123 and perimembranous 124 near the part of the second end 123, it is possible to anti-tampon passes through from gap to enter blood circulation. The material of choked flow film 140 is PET (polyethylene terephthalate) or PTFE (politef) material. PET material has good mechanical property, and impact strength is 3��5 times of other thin film, and folding resistance is good; Oil resistant, resistance to diluted acid fatty, resistance to, diluted alkaline, resistance to most of solvents; There is excellent high-and low-temperature resistance performance, can in 120 DEG C of temperature ranges life-time service, short-period used is resistant to 150 DEG C of high temperature, is resistant to-70 DEG C of low temperature, and during high and low temperature, its mechanical impact is only small; Gas and vapor permeability are low, namely have excellent resistance gas and water, oil and abnormal flavour performance; Transparency is high, can shielding of ultraviolet, glossiness is good; Nontoxic, tasteless, wholesomeness is good, can be directly used for packaging for foodstuff. The features such as PTFE material has high temperature resistant, low temperature resistant, corrosion-resistant, weatherability, high lubricates, do not adhere to, nonhazardous, electrical insulating property are good. These premium properties of PET material and PTFE material so that it is be the good material doing choked flow film 140.
Many group fixtures 160 are arranged at network 120 along the axially spaced-apart of network 120, often group fixture 160 includes multiple grasp 162, multiple grasps 162 are arranged around the central shaft interval of network 120, thus improving the fix tightly soundness of occluder for left auricle 100, prevent occluder for left auricle 100 from coming off, subside.
Specifically, in the present embodiment, fixture 160 is set to three groups, three groups of fixtures 160 are axially set in network 120 along network 120, wherein two groups of fixtures 160 are respectively close to first end 122 and the second end 123, another group fixture 160 is respectively close between first end 122 and two groups of fixtures 160 of the second end 123, and is preferably placed at network 120 medium position vertically. Owing to the use state of occluder for left auricle 100 is the shape that first end 122 is little, the second end 123 is big, it is gradually increased from first end 122 to the area of section of the second end 123, three groups of fixtures 160 are set, it is possible to ensure the fix tightly soundness of occluder for left auricle 100 in the group less situation of number. Special construction due to left auricle, occluder for left auricle 100 is when blocking left auricle, its the second end 123 is less with the contact surface of left auricle, the fixation that the fixture 160 of the second end 123 plays is not as strong, in other embodiments, that group fixture 160 slightly towards the second end 123 can be economized, two groups of fixtures 160 are set, refer to Fig. 5.
Preferably, multiple grasps 162 of the least one sets organizing fixture 160 may pass through choked flow film 140 more. With ensure grasp 162 insert left auricle after occluder for left auricle 100 will not come off from left auricle, simultaneously, also choked flow film 140 is played fixing effect, prevent choked flow film 140 from landing network 120, play the gap of reduction occluder for left auricle 100 and left auricle inwall, reduce the probability that thrombosis passes through from gap and the purpose improving plugging effect.
Second embodiment
Refer to Fig. 6, the present embodiment also provides a kind of occluder for left auricle 200, the present embodiment is the improvement carried out on the basis of the technical scheme of embodiment one, the technical scheme that embodiment one describes is equally applicable to the present embodiment, embodiment one disclosed technical scheme is not repeated to describe, specific as follows:
The present embodiment is different from embodiment one is in that choked flow film 240, and in the present embodiment, choked flow film 240 covers the second end 123 and whole perimembranous 124. Perimembranous 124 is all coated with choked flow film 240, there is better plugging effect, in order to improve the stickiness of occluder for left auricle 200 and left auricle inwall, effectively reduce the gap of occluder for left auricle 200 and left auricle inwall, reduce the probability that thrombosis passes through from gap, thus improving plugging effect.
Additionally, the multiple grasps 162 traverse choked flow films 240 organizing fixture 160 more. Choked flow film 240 is played fixing effect through choked flow film 240 by grasp 162, prevent choked flow film 240 from landing network 120, choked flow film 240 is carried out multi-faceted fixing, play the gap of reduction occluder for left auricle 200 and left auricle inwall, reduce the probability that thrombosis passes through from gap and the purpose improving plugging effect.
3rd embodiment
Refer to Fig. 7, the present embodiment also provides a kind of occluder for left auricle 300, the present embodiment is the improvement carried out on the basis of the technical scheme of embodiment one, the technical scheme that embodiment one describes is equally applicable to the present embodiment, embodiment one disclosed technical scheme is not repeated to describe, specific as follows:
The present embodiment is different from embodiment one is in that jointing 326, and in the present embodiment, jointing 326 is flexible connecting structure. Flexible connecting structure has the effect of buffering and antidetonation, can reduce operation process peripheral power to direct effect of the present utility model, make integrally-built stability better.
In the present embodiment, flexible connecting structure is spring. Spring has stronger deformability, it is possible to regulates relative position and the relative distance of auxiliary transfer unit and occluder for left auricle 300 to a great extent, is more beneficial for the carrying out of operation. In other embodiments, flexible connecting structure is rubber, and rubber volume is little, lightweight, good springiness, easy for installation; Horizontal, axial, angular displacement can be produced, its effect also being able to a certain extent play buffering and antidetonation during installation.
In the present embodiment, occluder for left auricle 300 also includes push rod 380, and push rod 380 is dismountable to be connected with jointing 326. Push rod 380 is connected with network 120 by jointing 326 and non-immediate is connected with network 120, and in the process pushed, propelling movement power is not act directly on network 120, is beneficial to the operation of doctor.
Preferably, in the present embodiment, occluder for left auricle 300 also includes developing ring 390, and developing ring 390 is set in push rod 380, makes the more compact structure of occluder for left auricle 300, is beneficial to operation. Connecting developing ring 390, in operation process, occluder for left auricle 300 can be made to be easier to location, doctor can be visually seen occluder for left auricle 300 and insert the position at place, left auricle place, and the operation technique for doctor provides convenient.
Specifically, in the present embodiment, developing ring 390 and jointing 326 connect. Developing ring 390 and jointing 326 connect, and are more beneficial for stablizing of its.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. an occluder for left auricle, it is characterized in that, including network, choked flow film and organize fixture more, described network has first end, the second end and be connected to the perimembranous between described first end and described the second end, described network includes jointing and many support girders, the described first end of formation is collected in one end of described many support girders, the other end of described many support girders collects the described the second end of formation, described jointing is arranged on described the second end, described choked flow film is coated with the part in described the second end and described perimembranous near described the second end, described many group fixtures are arranged at described network along the axially spaced-apart of described network, often organize described fixture and include multiple grasp, the plurality of grasp is arranged around the central shaft interval of described network.
2. occluder for left auricle according to claim 1, it is characterised in that described many group fixtures include 2-4 group.
3. occluder for left auricle according to claim 1, it is characterised in that described many support girders include 12-24 root.
4. occluder for left auricle according to claim 1, it is characterised in that described choked flow film is coated with described the second end and whole described perimembranous.
5. the occluder for left auricle according to any one of claim 1-4, it is characterised in that the plurality of grasp described choked flow film of traverse of the described least one sets organizing fixture more.
6. occluder for left auricle according to claim 1, it is characterised in that described jointing is flexible connecting structure.
7. occluder for left auricle according to claim 6, it is characterised in that described occluder for left auricle also includes push rod, described push rod is dismountable and described jointing is connected.
8. occluder for left auricle according to claim 7, it is characterised in that described occluder for left auricle also includes developing ring, and described developing ring is set in described push rod.
9. occluder for left auricle according to claim 8, it is characterised in that described developing ring and described jointing connect.
10. the occluder for left auricle according to any one of claim 6-9, it is characterised in that described flexible connecting structure is spring or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133418.6U CN205286438U (en) | 2015-12-30 | 2015-12-30 | Left atrial appendage occluder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133418.6U CN205286438U (en) | 2015-12-30 | 2015-12-30 | Left atrial appendage occluder |
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| CN205286438U true CN205286438U (en) | 2016-06-08 |
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| CN201521133418.6U Active CN205286438U (en) | 2015-12-30 | 2015-12-30 | Left atrial appendage occluder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107126241A (en) * | 2017-06-16 | 2017-09-05 | 宁波迪创医疗科技有限公司 | It is a kind of to reclaim and repeat completely the biological cavities anchoring device of release |
| WO2018121345A1 (en) * | 2016-12-30 | 2018-07-05 | 先健科技(深圳)有限公司 | Delivery system for left auricle occluder |
| CN109464173A (en) * | 2018-12-20 | 2019-03-15 | 先健科技(深圳)有限公司 | Plugging device |
| CN110522486A (en) * | 2019-04-22 | 2019-12-03 | 上海微创医疗器械（集团）有限公司 | Plug rack for left auricle of heart |
| US11857441B2 (en) | 2018-09-04 | 2024-01-02 | 4C Medical Technologies, Inc. | Stent loading device |
| US11931253B2 (en) | 2020-01-31 | 2024-03-19 | 4C Medical Technologies, Inc. | Prosthetic heart valve delivery system: ball-slide attachment |
| US11944537B2 (en) | 2017-01-24 | 2024-04-02 | 4C Medical Technologies, Inc. | Systems, methods and devices for two-step delivery and implantation of prosthetic heart valve |
| US11957577B2 (en) | 2017-01-19 | 2024-04-16 | 4C Medical Technologies, Inc. | Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves |
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2015
- 2015-12-30 CN CN201521133418.6U patent/CN205286438U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121345A1 (en) * | 2016-12-30 | 2018-07-05 | 先健科技(深圳)有限公司 | Delivery system for left auricle occluder |
| CN108261216A (en) * | 2016-12-30 | 2018-07-10 | 先健科技(深圳)有限公司 | The transport system of occluder for left auricle |
| CN108261216B (en) * | 2016-12-30 | 2021-03-19 | 先健科技(深圳)有限公司 | Conveying system of left auricle occluder |
| US11957577B2 (en) | 2017-01-19 | 2024-04-16 | 4C Medical Technologies, Inc. | Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves |
| US11944537B2 (en) | 2017-01-24 | 2024-04-02 | 4C Medical Technologies, Inc. | Systems, methods and devices for two-step delivery and implantation of prosthetic heart valve |
| CN107126241A (en) * | 2017-06-16 | 2017-09-05 | 宁波迪创医疗科技有限公司 | It is a kind of to reclaim and repeat completely the biological cavities anchoring device of release |
| CN107126241B (en) * | 2017-06-16 | 2023-08-08 | 宁波迪创医疗科技有限公司 | Biological cavity anchoring device capable of being completely recovered and repeatedly released |
| US11857441B2 (en) | 2018-09-04 | 2024-01-02 | 4C Medical Technologies, Inc. | Stent loading device |
| CN109464173A (en) * | 2018-12-20 | 2019-03-15 | 先健科技(深圳)有限公司 | Plugging device |
| CN109464173B (en) * | 2018-12-20 | 2024-04-02 | 先健科技(深圳)有限公司 | Plugging device |
| CN110522486A (en) * | 2019-04-22 | 2019-12-03 | 上海微创医疗器械（集团）有限公司 | Plug rack for left auricle of heart |
| US11931253B2 (en) | 2020-01-31 | 2024-03-19 | 4C Medical Technologies, Inc. | Prosthetic heart valve delivery system: ball-slide attachment |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170810 Address after: 210000 No. 86, double high road, Gaochun Economic Development Zone, Jiangsu, Nanjing Patentee after: Nanjing Debang Medical Technology Co Ltd Address before: 710000, Dongguan primary school, 301 East Street, Hantai District, Shaanxi, Hanzhoung Patentee before: Guo Libin |
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| TR01 | Transfer of patent right |