CN104107072A - Double umbrella type left auricle sealing device - Google Patents
Double umbrella type left auricle sealing device Download PDFInfo
- Publication number
- CN104107072A CN104107072A CN201410363275.1A CN201410363275A CN104107072A CN 104107072 A CN104107072 A CN 104107072A CN 201410363275 A CN201410363275 A CN 201410363275A CN 104107072 A CN104107072 A CN 104107072A
- Authority
- CN
- China
- Prior art keywords
- umbrella
- fixed
- fixed umbrella
- atrial appendage
- left atrial
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 10
- 210000005248 left atrial appendage Anatomy 0.000 claims abstract description 13
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 11
- 210000000613 ear canal Anatomy 0.000 claims abstract 2
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 230000008961 swelling Effects 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 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 8
- 206010003658 Atrial Fibrillation Diseases 0.000 description 4
- 208000006017 Cardiac Tamponade Diseases 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 210000004971 interatrial septum Anatomy 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 206010050902 Postoperative thrombosis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 206010043647 Thrombotic Stroke Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 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
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/12031—Type of occlusion complete occlusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or 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
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or 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
- A61B17/1214—Coils or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
- A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Vascular Medicine (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
一种双伞式左心耳封闭装置，其特征是它包括第一固定伞、第二固定伞和封闭盘，所述的第一固定伞和第二固定伞剖面呈雨伞伞骨状，它们均由若干根自膨胀形状记忆镍钛合金丝构成，第一固定伞的伞把与第二固定伞的伞顶可弯曲地连接，第二固定伞的伞把与封闭盘的一侧相连接，封闭盘的另一侧与释放装置的操作杆的一端活动连接；整个封闭装置由封闭盘顶部连接操作杆后装载入导管内输送，离开导管后，第一固定伞先自动成形，第二固定伞随后自动成形并能随左心耳耳道自动弯曲调整角度，封堵盘最后自动膨胀恢复呈圆盘状，封闭左心耳。本发明操作方便，能降低手术风险，缩短手术时间，提高手术成功率。
A double-umbrella closure device for the left atrial appendage is characterized in that it comprises a first fixed umbrella, a second fixed umbrella and a closure plate, the sections of the first fixed umbrella and the second fixed umbrella are in the shape of umbrella ribs, and they are composed of Consists of several self-expanding shape memory nickel-titanium alloy wires, the umbrella handle of the first fixed umbrella is flexibly connected with the umbrella top of the second fixed umbrella, the umbrella handle of the second fixed umbrella is connected with one side of the closed disk, and the closed disk The other side of the release device is movably connected with one end of the operating rod of the release device; the entire closing device is loaded into the conduit after being connected to the operating rod on the top of the sealing plate, and transported. After leaving the conduit, the first fixed umbrella is automatically formed first, and the second fixed umbrella is subsequently It is automatically formed and can automatically bend and adjust the angle with the left atrial appendage ear canal, and the occlusion disc will automatically expand and restore to a disc shape at the end, closing the left atrial appendage. The invention is easy to operate, can reduce the operation risk, shorten the operation time and improve the success rate of the operation.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially a kind of cardiac treatment assistive device, specifically a kind of for left auricle is sealed, to improve two umbrella formula left auricle locking devices of operation efficiency and success rate.
Background technology
As everyone knows, atrial fibrillation is modal arrhythmia clinically.Thrombotic stroke is the major complications that is secondary to atrial fibrillation, is to cause dead and disabled one of the main reasons.Left auricle be atrial fibrillation patients generation thrombosis main position [J. L. Blackshear and J. A. Odell,
annals of Thoracic Surgery, 61 (2): 755 – 759,1996.].Sealing left auricle can effectively reduce the stroke event of patients with atrial fibrillation.At present, comprise for the technology of sealing left auricle: 1. surgery left auricle excision; 2. through conduit left atrial appendage occlusion.The shortcomings such as surgical resection left auricle exists wound large, and complication is many are not used substantially.It is the new technique in recent years just having grown up through conduit left atrial appendage occlusion.Comprise for clinical left atrial appendage occlusion device at present: 1.WATCHMAN stopper, produced by Boston Scientific company of the U.S.; 2. AMPLATZER Cardiac Plug (ACP) stopper, is produced by St. Jude Medical company of the U.S..But all there is following shortcoming in above-mentioned two kinds of stoppers: 1. stopper implantation position is wayward, locates not good easy formation left auricle lumen,residual, causes postoperative thrombosis risk; 2. be prone to shutoff incomplete, have residual leakage, increase thrombosis risk; 3. stopper location need to not be recycled to whole stopper in conduit when good reorientating, easily causes auricle damage and cardiac tamponade.
Summary of the invention
The object of the invention is to have complicated operation, fixing difficulty for existing left atrial appendage occlusion device, thrombosis, come off and the problem of cardiac tamponade risk, a kind of two umbrella formula left auricle locking devices of design, percutaneous puncture, in interatrial septum is placed on left auricle, sealing left auricle.
Technical scheme of the present invention is:
A kind of two umbrella formula left auricle locking device, it is characterized in that it is mainly made up of the first fixing umbrella, the second fixing umbrella and closed disk three parts, described the first fixing umbrella and the second fixing umbrella section are umbrella rib shape, they form by some self-expanding shape memory nitinol alloy wires, the umbrella top that the handle of umbrella of the first fixing umbrella and second is fixed umbrella is connected flexiblely, the second fixing handle of umbrella of umbrella and a side of closed disk are connected, and the opposite side of closed disk is flexibly connected with one end of the action bars of releasing device; Described closed disk is in the form of annular discs, worked out by some self-expanding shape memory nitinol alloy wires, whole locking device is loaded in conduit after by closed disk top attended operation bar and carries, leave after conduit, the first automatic forming of the first fixing umbrella, the second fixing umbrella subsequently automatic forming also can be adjusted angle with left auricle auditory meatus automatic bending, and the last automatic expansion of shutoff dish recovers in the form of annular discs, sealing left auricle.
The diameter of the second described fixing umbrella is less than the diameter of the first fixing umbrella, and their end is connected with anti-acanthosphere.
Described the first fixing umbrella and the second fixing umbrella link together by the twin nuclei of welding.
Described closed disk inside is sewed with one deck choked flow film.
Implantation of the present invention: percutaneous puncture interatrial septum, send into delivery conduit to left auricle, send into sealer along conduit, after first the first fixing umbrella leaves conduit, be shaped at auricle far-end, after leaving conduit subsequently, the second fixing umbrella is shaped at near-end, closed disk covers left auricle opening after finally leaving conduit, is rotated counterclockwise action bars and discharges sealer.
Beneficial effect of the present invention:
The present invention first discharges sealer the first umbrella far-end in auricle, then discharges the second umbrella near-end in auricle, finally discharges shutoff disk seal and closes left auricle; This device relies on two umbrellas fixing after sectional forming in auricle, and controllability is good, good stability, and sealing is completely.Can effectively avoid other plugging devices need to rely on the auricle of barb apparatus due to fixing breaks and cardiac tamponade.
The present invention is easy to operate, can reduce operation risk, shortens operating time, improves success rate of operation.
Brief description of the drawings
Fig. 1 is using state schematic diagram of the present invention (release put in place after, action bars 9 separates with closed disk with conduit).
Fig. 2 is locking device entirety of the present invention vertical section schematic diagram.
Fig. 3 is the top view of umbrella in Fig. 2 of the present invention.
Fig. 4 is the top view of closed disk in Fig. 2 of the present invention.
Fig. 5 is the view of the present invention in delivery conduit.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As Figure 1-5.
A kind of two umbrella formula left auricle locking device, it is mainly made up of the first fixing umbrella 1, the second fixing umbrella 2 and closed disk 3 three parts, between two umbrellas, connects (Fig. 2) by the dicyclo 8 of welding.The umbrella frame that described fixing umbrella is similar to umbrella (comprises handle of umbrella, without umbrella cover), expanded shape memory nitinol alloy wire 4 intervals by 6,8,12 or above radical form, 8 self-expanding shape memory nitinol alloy wire 4 intervals being spent by interval 45 in Fig. 3 form (as Fig. 3), the shape of every self-expanding shape memory nitinol alloy wire 4 is identical with umbrella section profile line, and tip is connected with a spherical anti-acanthosphere 7 to prevent from puncturing heart wall.When concrete enforcement, the quantity of the self-expanding shape memory nitinol alloy wire 4 of the fixing umbrella of composition can be adjusted as required voluntarily, as can be 6, 10, 12 ... etc., the root weld of all self-expanding shape memory nitinol alloy wires 4 is to rustless steel handle of umbrella 6, the lower end of the handle of umbrella 6 of the first fixing umbrella 1 is connected with the ring 8 at the second fixing umbrella 2 middle parts, umbrella top by ring 8, form biarc connecting structure, so that the second fixing umbrella 2 can be unlikely again with the first fixing umbrella and separate according to the form adaptive bending of left auricle, as shown in Figure 1, when concrete enforcement, biarc connecting structure also can adopt other equivalents to be realized, as to adopt spherical hinge structure be exactly a kind of desirable replacing structure.The lower end of the handle of umbrella 6 of the second fixing umbrella 2 links into an integrated entity by welding and a side of closed disk 3, and the opposite side of closed disk 3 is flexibly connected with one end of action bars 9, after action bars 9 has operated, separates with closed disk 3.The section (Fig. 4) in the form of annular discs of described closed disk 3, is worked out by some self-expanding shape memory nitinol alloy wires 4.Welded top is integral, and centre is sewed with one deck nylon choked flow film 5.Whole locking device is loaded into the interior conveying of conduit 10 (as shown in Figure 5) after by closed disk 3 top attended operation bars 9, leave after conduit 10, the first fixing first automatic forming of umbrella 1, the second fixing umbrella 2 subsequently automatic forming also can be adjusted angle with left auricle auditory meatus automatic bending, the last automatic expansion of shutoff dish 3 recovers in the form of annular discs, sealing left auricle 11.
Using method of the present invention is:
As shown in Figure 5, first periphery and left atrium passage are set up in percutaneous puncture interatrial septum, send into locking device along this pathway, under x-ray and ultrasonic guidance, first the first fixing umbrella 1 is discharged, be positioned over the interior far-end of left auricle 11, further discharge the second fixing umbrella 2, finally discharge closed disk 3, and it is close to and seals left auricle opening, as shown in Figure 1.Tractive locking device, without coming off, is rotated counterclockwise action bars and discharges locking device, withdraws from all apparatuses, completes operative treatment.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363275.1A CN104107072A (en) | 2014-07-29 | 2014-07-29 | Double umbrella type left auricle sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410363275.1A CN104107072A (en) | 2014-07-29 | 2014-07-29 | Double umbrella type left auricle sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104107072A true CN104107072A (en) | 2014-10-22 |
Family
ID=51704195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410363275.1A Pending CN104107072A (en) | 2014-07-29 | 2014-07-29 | Double umbrella type left auricle sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104107072A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105054980A (en) * | 2015-09-11 | 2015-11-18 | 上海形状记忆合金材料有限公司 | Self-adaptive variable angle plugging device |
| CN105193471A (en) * | 2015-08-11 | 2015-12-30 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp and conveying device thereof |
| CN105326536A (en) * | 2014-08-12 | 2016-02-17 | 徐州亚太科技有限公司 | Percutaneous left atrial appendage occluder |
| CN107106153A (en) * | 2014-12-31 | 2017-08-29 | 先健科技(深圳)有限公司 | Occluder for left auricle |
| CN113116447A (en) * | 2019-12-31 | 2021-07-16 | 杭州诺芮医疗科技有限公司 | Left auricle ablation plugging device |
| CN113116504A (en) * | 2019-12-31 | 2021-07-16 | 杭州诺芮医疗科技有限公司 | Improved left auricle plugging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030120337A1 (en) * | 1999-10-27 | 2003-06-26 | Atritech, Inc. | Barrier device for ostium of left atrial appendage |
| US20120271343A1 (en) * | 2000-08-18 | 2012-10-25 | Atritech, Inc. | Expandable implant devices for filtering blood flow from atrial appendages |
| CN102805654A (en) * | 2011-06-01 | 2012-12-05 | 先健科技(深圳)有限公司 | Occluder for left auricle |
| CN103607962A (en) * | 2011-06-17 | 2014-02-26 | Aga医药有限公司 | Occlusion device and associated deployment method |
| CN204049709U (en) * | 2014-07-29 | 2014-12-31 | 孙伟 | Two umbrella-type left auricle locking device |
-
2014
- 2014-07-29 CN CN201410363275.1A patent/CN104107072A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030120337A1 (en) * | 1999-10-27 | 2003-06-26 | Atritech, Inc. | Barrier device for ostium of left atrial appendage |
| US20120271343A1 (en) * | 2000-08-18 | 2012-10-25 | Atritech, Inc. | Expandable implant devices for filtering blood flow from atrial appendages |
| CN102805654A (en) * | 2011-06-01 | 2012-12-05 | 先健科技(深圳)有限公司 | Occluder for left auricle |
| CN103607962A (en) * | 2011-06-17 | 2014-02-26 | Aga医药有限公司 | Occlusion device and associated deployment method |
| CN204049709U (en) * | 2014-07-29 | 2014-12-31 | 孙伟 | Two umbrella-type left auricle locking device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326536A (en) * | 2014-08-12 | 2016-02-17 | 徐州亚太科技有限公司 | Percutaneous left atrial appendage occluder |
| CN107106153A (en) * | 2014-12-31 | 2017-08-29 | 先健科技(深圳)有限公司 | Occluder for left auricle |
| CN105193471A (en) * | 2015-08-11 | 2015-12-30 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp and conveying device thereof |
| CN105193471B (en) * | 2015-08-11 | 2017-10-27 | 北京迈迪顶峰医疗科技有限公司 | Auricle clamp and its conveying device |
| US10905433B2 (en) | 2015-08-11 | 2021-02-02 | Beijing Med Zenith Medical Scientific Co., Ltd. | Auricle clamp and delivery device thereof |
| CN105054980A (en) * | 2015-09-11 | 2015-11-18 | 上海形状记忆合金材料有限公司 | Self-adaptive variable angle plugging device |
| CN105054980B (en) * | 2015-09-11 | 2017-05-17 | 上海形状记忆合金材料有限公司 | Self-adaptive variable angle plugging device |
| CN113116447A (en) * | 2019-12-31 | 2021-07-16 | 杭州诺芮医疗科技有限公司 | Left auricle ablation plugging device |
| CN113116504A (en) * | 2019-12-31 | 2021-07-16 | 杭州诺芮医疗科技有限公司 | Improved left auricle plugging device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20141022 |