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
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- CN
- China
- Prior art keywords
- umbrella
- left auricle
- fixing
- closed disk
- locking device
- 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
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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
- A61B17/12027—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, 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
- A61B17/12—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
- A61B17/1214—Coils or wires
-
- 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
- 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, 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)
- 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
A double umbrella type left auricle sealing device is characterized by comprising a first fixed umbrella, a second fixed umbrella and a sealing disc. The section of the first fixed umbrella and the section of the second fixed umbrella are in an umbrella rib shape and formed by a plurality of expanded shape memory nitinol wires, an umbrella handle of the first fixed umbrella is crookedly connected with an umbrella top of the second fixed umbrella, an umbrella handle of the second fixed umbrella is connected with one side of the sealing disc, and the other side of the sealing disc is movably connected with one end of an operating rod of a release device. The whole sealing device is loaded into a catheter through the top of the sealing disc to be conveyed; after the sealing device leaves the catheter, first the first fixed umbrella is automatically formed, then the second fixed umbrella is automatically formed and can be automatically bent to the adjust the angle along with the ear canal of the left auricle, finally the sealing disc is automatically expanded to recover to be in a disc shape, and the left auricle is sealed. The double umbrella type left auricle sealing device is convenient to operate and can reduce operation risk, shorten operation time and improve operation success rate.
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)
1. a 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.
2. according to claim 1 pair of umbrella formula left auricle locking device, is characterized in that the diameter of the second described fixing umbrella is less than the diameter of the first fixing umbrella, and their end is spherical in shape.
3. according to claim 1 pair of umbrella formula left auricle locking device, is characterized in that the first described fixing umbrella and the second fixing umbrella link together by the twin nuclei of welding.
4. according to claim 1 pair of umbrella formula left auricle locking device, is characterized in that described closed disk inside is sewed with one deck choked flow film.
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 (4)
| 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 |
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 (7)
| 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 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141022 |
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| RJ01 | Rejection of invention patent application after publication |