CN105476686A - Temporary closure device for heart defects - Google Patents
Temporary closure device for heart defects Download PDFInfo
- Publication number
- CN105476686A CN105476686A CN201610054749.3A CN201610054749A CN105476686A CN 105476686 A CN105476686 A CN 105476686A CN 201610054749 A CN201610054749 A CN 201610054749A CN 105476686 A CN105476686 A CN 105476686A
- Authority
- CN
- China
- Prior art keywords
- rack
- plate
- disc
- net rack
- interim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 208000028831 congenital heart disease Diseases 0.000 title claims abstract description 19
- 238000009941 weaving Methods 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 33
- 238000012360 testing method Methods 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 5
- 208000001910 Ventricular Heart Septal Defects Diseases 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 210000005246 left atrium Anatomy 0.000 description 2
- 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 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 210000005245 right atrium Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 201000003130 ventricular septal defect Diseases 0.000 description 2
- 208000002330 Congenital Heart Defects Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 229920004934 Dacron® Polymers 0.000 description 1
- 208000035478 Interatrial communication Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 208000013914 atrial heart septal defect Diseases 0.000 description 1
- 206010003664 atrial septal defect Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 208000003278 patent ductus arteriosus Diseases 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002604 ultrasonography 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
- A61B17/0057—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
- A61B17/12—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
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
-
- 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
-
- 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
-
- 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
- A61B2017/00623—Introducing or retrieving devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Reproductive Health (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
Abstract
A temporary closure device for heart defects comprises a disc-like net rack, wherein the disc-like net rack is integrally formed by weaving fine wires, the fine wires form a closure head in the middle of the bottom of the disc-like net rack, a connecting part is fixed at the tail end of the closure head, and the surface of the disc-like net rack is covered with a flow resisting film; the height of the disc-like net rack is 2-3 mm. After the temporary closure device is conveyed to a defect position, the disc-like net rack is unfolded and enabled to be located on the left side of the defect position, a steel conveying cable is pulled to enable the disc-like net rack to be tightly attached to the left side of the defect position, and the defect position is temporarily closed; then, physiological indexes of a patient can be tested. After a test ends, the steel conveying cable is pulled to contract the disc-like net rack. The disc-like net rack is temporarily closed in the defect position instead of being tightly clamped in the defect position, after the steel conveying cable is pulled, the disc-like net rack enters a long conveying sheath through the closure head, and picking is facilitated.
Description
Technical field
The present invention relates to medical instruments field, especially the interim closer of heart defect.
Background technology
Congenital patent ductus artereriosus and room, ventricular septal defect, it is several frequently seen non-complex CMH, along with development and the maturation of percutaneous interventional technology in recent years, and the improvement of embedded material, the patient of the congenital heart disease of this type of non-complex of application percutaneous catheter Transcatheter Closure gets more and more.
Existing heart defect amplatzer, adopt hyperelastic Nitinol to be compiled into from swollen property double disk structure, the included high-molecular biologic thin film of double disk structure, network structure inside is filled with polyester dacron or politef.When placing, select the heart defect amplatzer of suitable size according to Preoperative ultrasound kinetocardiography.First scabbard is put into defect location along arteries passage, then heart defect amplatzer and conveying wirerope is assembled in vitro, heart defect amplatzer is pushed defect location along scabbard by conveying wirerope.Recall scabbard and launch right atrium card, making right atrium card be in the left side at defect place.Conveying wirerope is pulled back about 5 ~ 10 centimetres, launch left atrium card, make left atrium card be in the left side at defect place, make double disk structure be clamped in the both sides of defect location, realize shutoff defect.Because different sufferer is different to the rejection of foreign body, some sufferers there will be physiology test data and are deteriorated after placement heart occluder, and then cause dead phenomenon.But the double disk structure of above-mentioned heart occluder is combined with defect location closely, be difficult to win after it is fixing, cause the risk of operation higher.
Summary of the invention
The object of this invention is to provide the interim closer of heart defect, conveniently place and win, whether being applicable to closing the defect of heart for testing sufferer, comprising atrial septal defect, ventricular septal defect, patent ductus arteriosus.
In order to achieve the above object, the invention provides following technical scheme:
The interim closer of heart defect, comprises plate-like rack, and described plate-like rack forms one by weaving filaments, and described filament forms end socket, the end fixed connecting piece of described end socket, the surface coverage choked flow film of described plate-like rack in the bottom center of described plate-like rack.After the discoid rack of weaving filaments, at the bottom center fixing formation end socket of plate-like rack.End socket fixed connecting piece, conveying wirerope is connected with connector.After the present invention being delivered to defect location by conveying wirerope, launching plate-like rack, make plate-like rack be in the left side at defect place, and pull conveying wirerope, make plate-like rack be adjacent to defect location, make the present invention carry out temporary plugging to defect location.Now to the physical signs test that sufferer is carried out.If within the testing time, physical signs is normal, then illustrate that this sufferer is suitable for loading onto existing stopper or carrying out surgery opening the repairing of breast sticking patch; If physical signs is abnormal, then the inapplicable stopper of this sufferer is described or carries out surgery and open the repairing of breast sticking patch.After test terminates, pull conveying wirerope, plate-like rack is recycled in scabbard, conveniently the present invention is won.
In a preferred embodiment, the height of described plate-like rack is 2-3mm.Defect location can be carried out shutoff, to test accordingly below by the plate-like rack of this height effectively; Can ensure that again plate-like rack can reclaim rapidly simultaneously.
In a preferred embodiment, the height of described plate-like rack is 2.5mm.
In a preferred embodiment, the diameter of described plate-like rack is 20-100mm.The plate-like rack of different-diameter can meet the sufferer of different defect situation.
In a preferred embodiment, described plate-like rack is three-decker, after weaving filaments becomes ground floor plate-like rack, node is formed in the bottom center of ground floor plate-like rack, filament is woven into second layer plate-like rack after described node stretches out, form node in the bottom center of second layer plate-like rack, filament is woven into third layer plate-like rack after described node stretches out, at the bottom center fixing formation end socket of third layer plate-like rack.Adopt the plate-like rack of this multilamellar can improve plugging effect of the present invention, the situation after making its effect press close to install stopper.Meanwhile, launch failed situation if there is a certain plate-like rack, temporary plugging can also be carried out by other plate-like rack.
In a preferred embodiment, the bottom margin of described plate-like rack arranges fixing point.Fixing point is used for fixing position of the present invention, to ensure the accuracy of test result.When needs are won of the present invention, conveying wirerope can be pushed away forward, fixing point be extracted in the side of defect location, and then carries out the recovery of plate-like rack.
In a preferred embodiment, the length of described fixing point is 0.5-1mm.The fixing point of this length can ensure the position of firm plate-like rack, can conveniently extract again, facilitates plate-like rack to reclaim.
Beneficial effect of the present invention is:
After the present invention is delivered to defect location, launches plate-like rack, make plate-like rack be in the left side at defect place, and pull conveying wirerope, make plate-like rack be adjacent to defect location, make the present invention carry out temporary plugging to defect location.Then the physical signs test can carried out sufferer.After test terminates, pull conveying wirerope, plate-like rack shrinks.Plate-like rack of the present invention only provisionally shutoff in defect location, but not to be closely clipped in defect location, after pulling conveying wirerope, plate-like rack enters in scabbard by its end socket, conveniently wins.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the present invention;
Fig. 2 is the structural representation of another embodiment of the invention;
Fig. 3 is contraction schematic diagram of the present invention;
Fig. 4 is expansion schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present invention, be clearly and completely described technical scheme of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Shown in composition graphs 1, the invention provides the interim closer of a kind of heart defect, comprise plate-like rack 1, plate-like rack 1 is woven by Nitinol filament 10 and forms one.Filament forms end socket 11 in the bottom center of plate-like rack 1, and the end welded connections 2 of end socket 11, connector 2 offers female thread.The inner surface of plate-like rack 1 covers choked flow film (not shown).In order to improve plugging effect of the present invention, the situation after making its effect press close to install stopper.As Fig. 2, plate-like rack 1 is three-decker, after filament 10 is woven into ground floor plate-like rack 12, node 120 is formed in the bottom center of ground floor plate-like rack 12, filament 10 is woven into second layer plate-like rack 13 after node 120 stretches out, form node 130 in the bottom center of second layer plate-like rack 13, filament 10 is woven into third layer plate-like rack 14 after node 130 stretches out, at the bottom center fixing formation end socket 11 of third layer plate-like rack 14.The height H of whole plate-like rack 1 is 2-3mm.Preferably, 2.5mm is adopted.Defect location can be carried out shutoff, to test accordingly below by the plate-like rack of this height effectively; Can ensure that again plate-like rack can reclaim rapidly simultaneously.
For the sufferer of satisfied different defect situation, in one embodiment, the diameter D of plate-like rack 1 is between 20-100mm.When producing, with the length of 5mm for value added, the size of diameter D press multiple plate-like racks 1 that arithmetic progression arranges, and is, 20mm, 25mm, 30mm, 35mm, 40mm ..., 100mm, selects when using for reality.
For ensureing position stability of the present invention, in one embodiment, the bottom margin of plate-like rack 1 arranges fixing point 15.The length of fixing point 15 is 0.5-1mm.Fixing sharp 15 for fixing position of the present invention, to ensure the accuracy of test result.
Conveying wirerope in use, is threaded with connector by the present invention.By scabbard, the present invention is delivered to defect location.As Fig. 3, now launch plate-like rack, make plate-like rack be in the left side at defect place, and pull back conveying wirerope, the fixing point of plate-like rack is connected with the side of defect location, realizes the effect of temporary plugging.After being completed, as Fig. 4, push away conveying wirerope forward, fixing point is extracted in the side of defect location, and then pulls conveying wirerope backward, plate-like rack is recycled in scabbard.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (7)
1. the interim closer of heart defect, is characterized in that, comprises plate-like rack, described plate-like rack forms one by weaving filaments, described filament forms end socket, the end fixed connecting piece of described end socket, the surface coverage choked flow film of described plate-like rack in the bottom center of described plate-like rack.
2. the interim closer of heart defect according to claim 1, is characterized in that, the height of described plate-like rack is 2-3mm.
3. the interim closer of heart defect according to claim 2, is characterized in that, the height of described plate-like rack is 2.5mm.
4. the interim closer of heart defect according to claim 1 and 2, is characterized in that, the diameter of described plate-like rack is 20-100mm.
5. the interim closer of heart defect according to claim 4, it is characterized in that: described plate-like rack is three-decker, after weaving filaments becomes ground floor plate-like rack, node is formed in the bottom center of ground floor plate-like rack, filament is woven into second layer plate-like rack after described node stretches out, form node in the bottom center of second layer plate-like rack, filament is woven into third layer plate-like rack after described node stretches out, at the bottom center fixing formation end socket of third layer plate-like rack.
6. the interim closer of heart defect according to claim 1, is characterized in that: the bottom margin of described plate-like rack arranges fixing point.
7. the interim closer of heart defect according to claim 6, is characterized in that: the length of described fixing point is 0.5-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054749.3A CN105476686A (en) | 2016-01-27 | 2016-01-27 | Temporary closure device for heart defects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054749.3A CN105476686A (en) | 2016-01-27 | 2016-01-27 | Temporary closure device for heart defects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105476686A true CN105476686A (en) | 2016-04-13 |
Family
ID=55664212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610054749.3A Pending CN105476686A (en) | 2016-01-27 | 2016-01-27 | Temporary closure device for heart defects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105476686A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020508147A (en) * | 2017-02-24 | 2020-03-19 | インセプタス メディカル リミテッド ライアビリティ カンパニー | Vascular occlusion device and method |
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| FR2714284B1 (en) * | 1993-12-23 | 1996-03-08 | Hubert Petitier | Prosthesis for the closure of ruptures of the cardiac walls, in particular interventricular septal ruptures. |
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| US20130012982A1 (en) * | 1999-11-08 | 2013-01-10 | Atritech, Inc. | Implant retrieval system |
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| CN204520843U (en) * | 2015-03-03 | 2015-08-05 | 上海形状记忆合金材料有限公司 | Braiding class capacity-reduction device |
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| CN104905828A (en) * | 2013-02-04 | 2015-09-16 | 先健科技(深圳)有限公司 | Closure device with changeable included angle and flat disc face |
| CN204765748U (en) * | 2015-04-17 | 2015-11-18 | 武汉亚洲心脏病医院 | Atrial septal defect plugging device |
| CN204951020U (en) * | 2015-09-24 | 2016-01-13 | 上海锦葵医疗器械有限公司 | Heart atrial septal defect plugging device |
| CN204971420U (en) * | 2015-08-12 | 2016-01-20 | 上海形状记忆合金材料有限公司 | Patent blocking device for arterial duct |
-
2016
- 2016-01-27 CN CN201610054749.3A patent/CN105476686A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2714284B1 (en) * | 1993-12-23 | 1996-03-08 | Hubert Petitier | Prosthesis for the closure of ruptures of the cardiac walls, in particular interventricular septal ruptures. |
| US20130012982A1 (en) * | 1999-11-08 | 2013-01-10 | Atritech, Inc. | Implant retrieval system |
| CN2661130Y (en) * | 2003-06-12 | 2004-12-08 | 深圳市先健科技股份有限公司 | Total integument heart septal defect blockage |
| US20130012979A1 (en) * | 2004-03-19 | 2013-01-10 | Aga Medical Corporation | Multi-layer braided structures for occluding vascular defects and for occluding fluid flow through portions of the vasculature of the body |
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| CN101687088A (en) * | 2007-06-21 | 2010-03-31 | Aga医药有限公司 | The multi-layer braided structures of occluding vascular defects |
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| CN104905828A (en) * | 2013-02-04 | 2015-09-16 | 先健科技(深圳)有限公司 | Closure device with changeable included angle and flat disc face |
| CN204016367U (en) * | 2014-06-26 | 2014-12-17 | 上海形状记忆合金材料有限公司 | A kind of two cards are oval stopper |
| CN204016553U (en) * | 2014-07-16 | 2014-12-17 | 上海形状记忆合金材料有限公司 | A kind of stopper without choked flow film |
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| CN204520843U (en) * | 2015-03-03 | 2015-08-05 | 上海形状记忆合金材料有限公司 | Braiding class capacity-reduction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020508147A (en) * | 2017-02-24 | 2020-03-19 | インセプタス メディカル リミテッド ライアビリティ カンパニー | Vascular occlusion device and method |
| JP7296317B2 (en) | 2017-02-24 | 2023-06-22 | インセプタス メディカル リミテッド ライアビリティ カンパニー | Vascular occlusion device and method |
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