CN113520486A - Adjustable plugging device - Google Patents
Adjustable plugging device Download PDFInfo
- Publication number
- CN113520486A CN113520486A CN202110706066.2A CN202110706066A CN113520486A CN 113520486 A CN113520486 A CN 113520486A CN 202110706066 A CN202110706066 A CN 202110706066A CN 113520486 A CN113520486 A CN 113520486A
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- plugging
- ball
- disc
- adjustable
- discs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00592—Elastic or resilient implements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00606—Implements H-shaped in cross-section, i.e. with occluders on both sides of the opening
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an adjustable plugging device, which comprises two plugging discs, wherein one plugging disc is in a net disc shape, and the other plugging disc is in a net disc shape or a claw disc shape; the connecting mechanism comprises a connecting piece and two spherical hinge assemblies, two ends of the connecting piece are respectively connected with the corresponding plugging discs through the corresponding spherical hinge assemblies, the two spherical hinge assemblies are used for enabling the two plugging discs to generate relative displacement, and the spherical hinge assemblies in the connecting mechanism can also be replaced by universal assemblies correspondingly. So set up, through installing the ball pivot subassembly on the shutoff dish to couple together two ball pivot subassemblies through the connecting piece, the shutoff dish can swing or the displacement through the ball pivot subassembly, thereby adapt to the damaged position of interval of difference height, the damaged position of interval is ensured to the shutoff dish displacement in-process ball pivot subassembly production rotation and can not produce the interference, thereby can adjust the shutoff position of shutoff dish, ensures that the shutoff dish can block up the damaged position of interval completely, reaches effective shutoff purpose.
Description
Technical Field
The invention relates to the technical field of occluders, in particular to an adjustable occluder.
Background
Congenital diseases include patent ductus arteriosus, patent foramen ovale, atrial septal defect, ventricular septal defect, and the like, the patent ductus arteriosus may cause blood to flow between the aorta and the pulsatile arteries, the patent foramen ovale and the atrial septal defect may cause blood to flow between the left atrium and the right atrium, the ventricular septal defect may cause blood to flow between the left ventricle and the right ventricle, and when the flow rate is high, repair is generally needed. At present, various types of patent foramen ovale occlusion devices with gap defects are used for treating congenital diseases, and the occlusion devices are conveyed to a specific position of a patient through a conveying device and perform occlusion after being flattened.
The existing occluder is generally formed by weaving or cutting, a waist part is integrally formed by weaving wires between two occluder disks formed by weaving, the two occluder disks formed by cutting are connected by a connecting piece, and the two occluder disks of the two occluders cannot generate relative displacement.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an adjustable plugging device, which can generate relative displacement between two plugging discs through a spherical hinge assembly, thereby adjusting the positions of the plugging discs, ensuring that the plugging device can be plugged completely and effectively.
An adjustable occluder in accordance with an embodiment of a first aspect of the present invention comprises:
one of the plugging discs is in a net disc shape, and the other plugging disc is in a net disc shape or claw disc shape;
the connecting mechanism comprises a connecting piece and two spherical hinge assemblies, the two ends of the connecting piece are respectively connected with the corresponding plugging discs through the corresponding spherical hinge assemblies, and the two spherical hinge assemblies are used for enabling the two plugging discs to generate relative displacement.
An adjustable occluder according to an embodiment of the first aspect of the present invention has at least the following advantages: through installing the ball pivot subassembly on the shutoff dish, and couple together two ball pivot subassemblies through the connecting piece, the shutoff dish can swing through the ball pivot subassembly, thereby adapt to the damaged position of interval of difference height, the shutoff dish can be at the displacement of going on the plane at the quotation place of self simultaneously, shutoff dish displacement in-process ball pivot subassembly produces and rotates and ensures that the displacement can not produce and interfere, thereby reach shutoff dish adjustable purpose, thereby can adjust the shutoff position of shutoff dish, ensure that the shutoff dish can block up the damaged position of interval completely, reach effective shutoff purpose.
According to some embodiments of the invention, the ball and socket assembly comprises a mounting block connected to the containment disc and a ball movably disposed in the mounting block.
According to some embodiments of the invention, the mounting block is provided therein with a spherical mounting portion for receiving the ball and a blocking portion for placing the ball off the mounting block.
According to some embodiments of the invention, the ball and the ball mount are a clearance fit, the ball mount having a diameter greater than a diameter of the ball.
According to some embodiments of the invention, the mounting block is riveted to the blanking disc.
According to some embodiments of the invention, a connecting rod for connecting the connecting piece is arranged on the ball.
According to some embodiments of the invention, the connecting member is provided as an elastic member.
According to some embodiments of the invention, the elastic member is provided as a coil spring or a tension spring.
An adjustable occluding device according to an embodiment of a second aspect of the invention comprises:
one of the plugging discs is in a net disc shape, and the other plugging disc is in a net disc shape or claw disc shape;
the connecting mechanism comprises a connecting piece and two universal assemblies, wherein the two ends of the connecting piece are respectively connected with the corresponding plugging discs through the corresponding universal assemblies, and the universal assemblies are used for enabling the two plugging discs to generate relative displacement.
An adjustable occluder according to an embodiment of the second aspect of the present invention has at least the following advantages: through installing universal subassembly on the shutoff dish to couple together two universal subassemblies through the connecting piece, the shutoff dish can carry out the displacement on the plane at the quotation place of self, and the universal subassembly of shutoff dish displacement in-process produces and rotates and ensures that the displacement can not produce and interfere, thereby reaches the purpose of shutoff dish adjustable, thereby can adjust the shutoff position of shutoff dish, ensures that the shutoff dish can block up the damaged position of interval completely, reaches the purpose of effective shutoff.
According to some embodiments of the invention, the gimbal assembly comprises a first gimbal member and a second gimbal member, the first gimbal member is hinged to the containment disc, one end of the second gimbal member is hinged to the first gimbal member, and the other end of the second gimbal member is connected to the connecting member.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of an adjustable occluding device according to an embodiment of the invention;
figure 2 is a front view of the adjustable occluder of figure 1;
figure 3 is a top view of the adjustable occluder of figure 1;
FIG. 4 is a cross-sectional view of a ball-and-socket assembly of an embodiment of the present invention;
FIG. 5 is a schematic view of a first operation of the adjustable occlusion device of the present invention;
figure 6 is a schematic diagram of a second operation of the adjustable occluding device of the invention.
A plugging disc 100, a connecting device 110, a bundling piece 120;
the connecting mechanism 200, the connecting piece 210, the spherical hinge assembly 220, the mounting block 221, the spherical mounting portion 2211, the shielding portion 2212, the sphere 222 and the connecting rod 2221;
a septal defect site 300.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is more than one, and the meaning of more than, less than, more than, etc. is understood as excluding the present number, and the meaning of more than, less than, etc. is understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1-4, an adjustable occluding device according to an embodiment of the invention comprises:
two plugging discs 100, wherein one plugging disc 100 is in a net disc shape, the other plugging disc 100 is in a net disc shape or claw disc shape, in this embodiment, both plugging discs 100 are in the shape of a mesh disc, as shown in fig. 1, both plugging discs 100 are formed by braiding nitinol, which is a memory metal, the plugging disc woven by the nickel-titanium alloy braided wires can be restored after being deformed, one end part of the braided and formed braided wires is bound in the binding piece 120, the other end part of the braided and formed braided wires is bound in the connecting device 110, in other embodiments, one of the blocking discs 100 may also be in the shape of a claw disc, and it should be noted that the shape of the claw disc means that the blocking disc 100 is composed of a plurality of support rods, one end of each support rod is connected to the bundling member 120, and the other end extends outwards to form a disc shape, and the blocking disc in the shape of the claw disc is formed by cutting raw materials; the two plugging discs 100 are connected by a connecting mechanism 200, the connecting mechanism 200 includes a connecting member 210 and two spherical hinge assemblies 220, the two spherical hinge assemblies 220 are installed at two ends of the connecting member 210, the connecting member 210 connects the two plugging discs 100 by the spherical hinge assemblies 220 at the two ends, and the spherical hinge assemblies 220 can make the plugging discs 100 swing relative to the connecting member 210 or displace along the plane where the plugging discs 100 are located within a certain range.
The working principle is as follows: the connecting device 110 on the plugging disc 100 is connected through a conveying device, the plugging disc 100 is dragged into the catheter sheath, at this time, the braided and formed net-disc-shaped plugging disc 100 is deformed to form a net tubular column similar to a cylinder and enters the catheter sheath, the plugging disc 100 at the other end is deformed to enter the catheter sheath, the catheter sheath and the conveying device are conveyed into the septal defect part 300, the catheter sheath is withdrawn, the plugging disc 100 at the other end slowly releases the catheter sheath, the plugging disc 100 at the other end is braided and formed by nickel-titanium alloy braided wires, the plugging disc 100 recovers to be a net-disc shape after releasing the catheter sheath, at this time, the catheter sheath is continuously withdrawn, whether the plugging disc 100 at one side of the catheter sheath completely blocks the septal defect part 300 is observed, if a position deviation occurs, the plugging disc 100 at the side is adjusted through the conveying device, as shown in fig. 5, under the action of the ball hinge assembly 220, the side plugging disc 100 can generate plane displacement, i.e. the displacement in the left-right direction shown in fig. 5, in the actual operation process, the plugging disc 100 can be displaced in any direction on the same plane, without affecting the position of another plugging disc 100; when the rugged shape appears at the septal defect 300, the occluding disk 100 can swing with the help of the ball-and-socket assembly 220, as shown in fig. 6, to adapt to septal defect 300 of different shapes.
An adjustable occluder according to an embodiment of the first aspect of the present invention has at least the following advantages: through installing spherical hinge subassembly 220 on shutoff dish 100, and link together two spherical hinge subassemblies 220 through connecting piece 210, shutoff dish 100 can swing through spherical hinge subassembly 220, thereby adapt to the defective position 300 of interval of difference height, shutoff dish 100 can carry out the displacement on the plane at the quotation place of self simultaneously, shutoff dish 100 displacement in-process spherical hinge subassembly 220 produces and rotates and ensures that the displacement can not produce and interfere, thereby reach the purpose of shutoff dish 100 adjustable, thereby can adjust the shutoff position of shutoff dish 100, ensure that shutoff dish 100 can block up defective position 300 of interval completely, reach the purpose of effective shutoff.
According to some embodiments of the present invention, referring to fig. 4, the spherical hinge assembly 220 includes a mounting block 221 and a ball 222, referring to fig. 1, the mounting block 221 is connected to the constriction member 120 to connect the spherical hinge assembly 220 to the occluding disc 100, the mounting block 221 has an inner cavity, the ball 222 is movably mounted in the inner cavity of the mounting block 221, the ball 222 can rotate in the mounting block 221, and the occluding disc 100 can swing along with the rotation of the ball 222, so that the occluding disc 100 can perform translation or swing as shown in fig. 5 and 6, so that the occluding disc 100 can be adjusted to occlude the septal defect 300 or adapt to septal defects 300 with different heights.
In the above embodiment, referring to fig. 4, the mounting block 221 includes a spherical mounting portion 2211 and a blocking portion 2212, the spherical mounting portion 2211 is spherical, the ball 222 is mounted in the spherical mounting portion 2211, the ball 222 can rotate in the spherical mounting portion 2211, and the blocking portion 2212 is disposed at one side of the spherical mounting portion 2211 for blocking the ball 222 from being removed from the spherical mounting portion 2211.
In the above embodiment, the ball 222 and the ball mounting portion 2211 are in clearance fit, so that there is enough space for the ball 222 to rotate in the ball mounting portion 2211, the diameter of the ball mounting portion 2211 is larger than that of the ball 222, and the maximum width of the shielding portion 2212 is smaller than that of the ball 222, so as to ensure that the ball 222 is confined in the ball mounting portion 2211.
According to some embodiments of the present invention, referring to fig. 1 and 4, a plurality of riveting holes are formed in the mounting block 221, the mounting block 221 is connected to the plugging disc 100 by riveting, and the mounting block can be stably connected to the plugging disc 100 by riveting without falling off or loosening, so as to ensure that the plugging disc 100 can be stably plugged at the septal defect portion 300.
According to some embodiments of the present invention, referring to fig. 4, a link 2221 for connecting the connector 210 is provided on the ball 222, and the link 2221 may make a rigid connection between the ball 222 and the connector 210.
In the above embodiment, the connecting member 210 is an elastic member, and the connecting member 210 is an elastic member, so that a certain tension force is generated between the two blocking discs 100, so that the two blocking discs 100 can better clamp and block the septal defect portion 300, and meanwhile, the two blocking discs 100 can adapt to septal defect portions 300 with different thicknesses, and in the process of adjusting one of the blocking discs 100, the elastic member can tension the two blocking discs 100, thereby ensuring that the two adjusted blocking discs 100 can still be stably attached to the septal defect portion 300.
In the above embodiments, the elastic member is provided as a coil spring or a tension spring.
An adjustable occluding device according to an embodiment of a second aspect of the invention comprises:
two plugging discs 100, wherein one plugging disc 100 is in a mesh disc shape, and the other plugging disc 100 is in a mesh disc shape or a claw disc shape, wherein the claw disc shape is described above and is not described herein again; two shutoff dishes 100 are connected through coupling mechanism 200, and including connecting piece 210 and two universal subassemblies in coupling mechanism 200, two universal subassemblies are installed respectively at the both ends of connecting piece 210, and through the universal subassembly at both ends, connecting piece 210 connects two shutoff dishes 100, and can produce relative displacement between two shutoff dishes 100 through universal subassembly, and its displacement effect is unanimous with the ball pivot subassembly effect of above adoption.
An adjustable occluder according to an embodiment of the second aspect of the present invention has at least the following advantages: through installing universal subassembly on shutoff dish 100, and couple together two universal subassemblies through connecting piece 210, shutoff dish 100 can carry out the displacement on the plane at the quotation place of self, the universal subassembly of shutoff dish 100 displacement in-process produces and rotates and ensures that the displacement can not produce the interference, thereby reach shutoff dish 100 adjustable purpose, thereby can adjust the shutoff position of shutoff dish 100, ensure that shutoff dish 100 can block up the defective position 300 of interval completely, reach effective shutoff's purpose.
According to some embodiments of the present invention, the gimbal assembly includes a first gimbal member and a second gimbal member, the first gimbal member is hinged to the bundling member 120 of the plugging disc 100, one end of the second gimbal member is hinged to the first gimbal member, and the other end of the second gimbal member is connected to the connecting member 210, in this embodiment, the first gimbal member and the second gimbal member are hinged in the following two ways: (1) the first universal piece is cylindrical, the side wall of the first universal piece is hinged on the bundling piece 120, the first universal piece can rotate in a certain direction along the surface of the bundling piece 120, the second universal piece is cylindrical, the side wall of the second universal piece is hinged with the side wall of the first universal piece, the second universal piece can rotate in a direction perpendicular to the rotation direction of the first universal piece, and the combined rotation of the first universal piece and the second universal piece realizes the displacement of the plugging disc 100 in fig. 5 and 6; (2) the first universal member is cylindrical, and its end surface is hinged to the constricting member 120, that is, the first universal member can rotate in situ along its central axis, and the second universal member is hinged to the other end surface of the first universal member and can rotate in a certain direction parallel to the plane of the surface of the constricting member 120, and the displacement of the blocking disc 100 in fig. 5 and 6 is realized by the combined motion of the first universal member and the second universal member.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. An adjustable occluding device, comprising:
one of the plugging discs is in a net disc shape, and the other plugging disc is in a net disc shape or claw disc shape;
the connecting mechanism comprises a connecting piece and two spherical hinge assemblies, the two ends of the connecting piece are respectively connected with the corresponding plugging discs through the corresponding spherical hinge assemblies, and the two spherical hinge assemblies are used for enabling the two plugging discs to generate relative displacement.
2. The adjustable occlusion device of claim 1, wherein the ball-and-socket assembly comprises a mounting block and a ball, the mounting block being connected to the occlusion disc, the ball being movably disposed in the mounting block.
3. The adjustable occlusion device of claim 2, wherein the mounting block has a spherical mounting portion for receiving the ball and a blocking portion for preventing the ball from separating from the mounting block.
4. The adjustable occlusion device of claim 3, wherein said ball and said ball mount are a clearance fit, said ball mount having a diameter greater than a diameter of said ball.
5. The adjustable occlusion device of claim 2, wherein said mounting block is riveted to said occluding disc.
6. The adjustable occlusion device of any of claims 2-5, wherein the ball is provided with a linkage for connecting the connector.
7. The adjustable occlusion device of claim 1, wherein said connecting member is configured as a resilient member.
8. The adjustable occlusion device of claim 7, wherein the resilient member is configured as a coil spring or a tension spring.
9. An adjustable occluding device, comprising:
one of the plugging discs is in a net disc shape, and the other plugging disc is in a net disc shape or claw disc shape;
the connecting mechanism comprises a connecting piece and two universal assemblies, wherein the two ends of the connecting piece are respectively connected with the corresponding plugging discs through the corresponding universal assemblies, and the universal assemblies are used for enabling the two plugging discs to generate relative displacement.
10. The adjustable occlusion device of claim 9, wherein the gimbal assembly comprises a first gimbal and a second gimbal, the first gimbal being hinged to the occlusion disk, one end of the second gimbal being hinged to the first gimbal, the other end of the second gimbal being connected to the connecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706066.2A CN113520486A (en) | 2021-06-24 | 2021-06-24 | Adjustable plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110706066.2A CN113520486A (en) | 2021-06-24 | 2021-06-24 | Adjustable plugging device |
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| CN113520486A true CN113520486A (en) | 2021-10-22 |
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| CN202110706066.2A Pending CN113520486A (en) | 2021-06-24 | 2021-06-24 | Adjustable plugging device |
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Citations (10)
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| US20090281567A1 (en) * | 2008-05-07 | 2009-11-12 | Peter Osypka Stiftung Stiftung Des Burgerlichen Rechts | Occlusion element for unwanted openings in the heart |
| US20120232645A1 (en) * | 2000-09-20 | 2012-09-13 | Mvrx, Inc. | Devices, systems, and methods for reshaping a heart valve annulus, including the use of magnetic tools |
| CN103209649A (en) * | 2010-11-12 | 2013-07-17 | W.L.戈尔及同仁股份有限公司 | Left atrial appendage occlusive devices |
| CN105147350A (en) * | 2015-10-08 | 2015-12-16 | 上海形状记忆合金材料有限公司 | Self-adaptive plugging device |
| CN106456145A (en) * | 2014-05-05 | 2017-02-22 | 维卡瑞斯外科手术股份有限公司 | Virtual reality surgical device |
| US20180360432A1 (en) * | 2017-06-16 | 2018-12-20 | Michael Patrick Corcoran | Uncoupled LAA Device |
| CN209269785U (en) * | 2018-09-18 | 2019-08-20 | 上海形状记忆合金材料有限公司 | A kind of waist, the adjustable patend ductus arteriosus occluder of disk |
| CN111000600A (en) * | 2019-12-17 | 2020-04-14 | 先健科技(深圳)有限公司 | Occluder and occlusion system |
| CN111870286A (en) * | 2020-07-24 | 2020-11-03 | 广东脉搏医疗科技有限公司 | Rivet-free plugging device |
| CN112472197A (en) * | 2020-12-30 | 2021-03-12 | 东南大学泰州生物医药与医疗器械研究院 | Left auricle plugging device |
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2021
- 2021-06-24 CN CN202110706066.2A patent/CN113520486A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120232645A1 (en) * | 2000-09-20 | 2012-09-13 | Mvrx, Inc. | Devices, systems, and methods for reshaping a heart valve annulus, including the use of magnetic tools |
| US20090281567A1 (en) * | 2008-05-07 | 2009-11-12 | Peter Osypka Stiftung Stiftung Des Burgerlichen Rechts | Occlusion element for unwanted openings in the heart |
| CN103209649A (en) * | 2010-11-12 | 2013-07-17 | W.L.戈尔及同仁股份有限公司 | Left atrial appendage occlusive devices |
| CN106456145A (en) * | 2014-05-05 | 2017-02-22 | 维卡瑞斯外科手术股份有限公司 | Virtual reality surgical device |
| CN105147350A (en) * | 2015-10-08 | 2015-12-16 | 上海形状记忆合金材料有限公司 | Self-adaptive plugging device |
| US20180360432A1 (en) * | 2017-06-16 | 2018-12-20 | Michael Patrick Corcoran | Uncoupled LAA Device |
| CN209269785U (en) * | 2018-09-18 | 2019-08-20 | 上海形状记忆合金材料有限公司 | A kind of waist, the adjustable patend ductus arteriosus occluder of disk |
| CN111000600A (en) * | 2019-12-17 | 2020-04-14 | 先健科技(深圳)有限公司 | Occluder and occlusion system |
| CN111870286A (en) * | 2020-07-24 | 2020-11-03 | 广东脉搏医疗科技有限公司 | Rivet-free plugging device |
| CN112472197A (en) * | 2020-12-30 | 2021-03-12 | 东南大学泰州生物医药与医疗器械研究院 | Left auricle plugging device |
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Application publication date: 20211022 |