CN111166412B - Delivery system for left atrial appendage occlusion device - Google Patents
Delivery system for left atrial appendage occlusion device Download PDFInfo
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- CN111166412B CN111166412B CN202010026359.1A CN202010026359A CN111166412B CN 111166412 B CN111166412 B CN 111166412B CN 202010026359 A CN202010026359 A CN 202010026359A CN 111166412 B CN111166412 B CN 111166412B
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- Prior art keywords
- expander
- tube
- left atrial
- atrial appendage
- spring
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- 210000005248 left atrial appendage Anatomy 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 206010003658 Atrial Fibrillation Diseases 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000005189 Embolism Diseases 0.000 description 1
- 208000001435 Thromboembolism Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- A61B2017/1205—Introduction devices
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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)
- Cardiology (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)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
本发明属于左心耳封堵装置技术领域，尤其为左心耳封堵装置的输送系统，包括输送鞘管和扩张器，以及设置在输送鞘管外表面的调节管，调节管的外表面一体成型有调节座，调节座的外表面开设有若干个限位槽，限位槽的内壁中一体成型有连接块，调节管通过连接块固定连接有梯形限位块，调节管的外表面旋合有固定圈，固定圈的外表面设有防滑横纹，同时在调节管内部的限位槽的内壁中通过若干个连接块弹性连接有若干个梯形限位块，并在调节管的外表面旋合有固定圈，使得固定圈可以在调节管的外表面进行旋合，从而使得固定圈可以通过挤压梯形限位块对调节管内部的输送鞘管进行紧密的挤压固定进而使得固定圈和梯形限位块便于对输送鞘管进行固定。
The invention belongs to the technical field of left atrial appendage occlusion devices, in particular to a delivery system of a left atrial appendage occlusion device, comprising a delivery sheath tube, a dilator, and a regulating tube arranged on the outer surface of the delivery sheath tube. The outer surface of the regulating tube is integrally formed with Adjustment seat, the outer surface of the adjustment seat is provided with a number of limit grooves, the inner wall of the limit groove is integrally formed with a connecting block, the adjustment pipe is fixedly connected with a trapezoidal limit block through the connecting block, and the outer surface of the adjustment pipe is screwed with a fixed The outer surface of the fixing ring is provided with anti-skid stripes. At the same time, several trapezoidal limit blocks are elastically connected to the inner wall of the limit groove inside the regulating tube through several connecting blocks, and are screwed on the outer surface of the regulating tube. The fixing ring enables the fixing ring to be screwed together on the outer surface of the adjusting tube, so that the fixing ring can tightly squeeze and fix the delivery sheath inside the adjusting tube by squeezing the trapezoidal limit block, so that the fixing ring and the trapezoidal limiting block can be tightly squeezed and fixed. The bit block facilitates securing the delivery sheath.
Description
Technical Field
The invention belongs to the technical field of left atrial appendage occlusion devices, and particularly relates to a conveying system of a left atrial appendage occlusion device.
Background
The left atrial appendage occlusion operation is to prevent the formation of thrombus in left atrial appendages during atrial fibrillation by occluding the left atrial appendages, so that the risk of long-term disability or death caused by thromboembolism of patients suffering from atrial fibrillation is reduced, meanwhile, a minimally invasive treatment scheme of the left atrial appendage occlusion operation can eliminate the dependence of the patients on long-term oral anticoagulation treatment, and a new treatment choice is provided for the patients.
The left atrial appendage occlusion has an important role in the modern medical field, the traditional Chinese patent with the patent number of CN206745406U provides a safer and more convenient operation mode for the left atrial appendage occlusion, but certain inconvenience still exists when the left atrial appendage occlusion is used, the condition that a knob is difficult to fix exists when an adjusting knob is used, so that the operation is inconvenient, and the condition that the dilator is unstable when the dilator is fixed with a conveying sheath tube through an expansion joint exists.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a conveying system of a left atrial appendage occlusion device, which has the characteristics of convenience in fixation and fixation.
In order to achieve the purpose, the invention provides the following technical scheme: left auricle plugging device's conveying system, including carrying sheath pipe and expander to and set up the control tube at carrying sheath pipe surface, the surface integrated into one piece of control tube has the regulation seat, and a plurality of spacing groove has been seted up to the surface of regulation seat, and integrated into one piece has the connecting block in the inner wall of spacing groove, and the control tube passes through the trapezoidal stopper of connecting block fixedly connected with, and the surface of control tube closes soon has the retainer plate, and the surface of retainer plate is equipped with anti-skidding cross striation.
As the preferred technical scheme of the conveying system of the left atrial appendage occlusion device, a plurality of expansion fixing seats are integrally formed in the inner wall of a conveying sheath tube, a plurality of grooves are formed in the outer surface of each expansion fixing seat, a plurality of sliding grooves are formed in the interior of an expander, the expanders are connected with a plurality of connecting seats in a sliding mode through the sliding grooves, and the expanders are connected with expansion joints in a rotating mode through the connecting seats.
As the preferred technical scheme of the conveying system of the left auricle plugging device, a sliding rod is integrally formed on the lower surface of the connecting seat, a spring is sleeved on the outer surface of the sliding rod, and a stop block is integrally formed on the lower surface of the sliding rod.
As the preferable technical scheme of the conveying system of the left auricle plugging device, a plurality of trapezoidal limiting blocks are arranged, and the trapezoidal limiting blocks are elastically connected with the inner wall of the limiting groove through connecting blocks.
As the preferred technical scheme of the conveying system of the left atrial appendage occlusion device, a plurality of expansion joints are arranged, the expansion joints are symmetrically distributed by the expanders, and then the outer surfaces of the expansion joints are attached to the inner walls of the grooves.
As the preferable technical scheme of the conveying system of the left atrial appendage occlusion device, the stop blocks, the sliding rods and the springs are all provided with a plurality of stop blocks, the sliding rods and the springs are all symmetrically distributed by the expansion joints.
As the preferable technical scheme of the conveying system of the left atrial appendage occlusion device, one end of a spring is fixedly connected with a connecting seat, the other end of the spring is fixedly connected with the inner wall of an expander, and the connecting seat is elastically and slidably connected with the expander through the spring.
Compared with the prior art, the invention has the beneficial effects that: the conveying sheath pipe and the expander are arranged, the adjusting pipe is arranged on the outer surface of the conveying sheath pipe, so that the adjusting pipe can fix the conveying sheath pipe, meanwhile, a plurality of trapezoidal limiting blocks are elastically connected in the inner wall of a limiting groove in the adjusting pipe through a plurality of connecting blocks, the outer surface of the adjusting pipe is screwed with a fixing ring, so that the fixing ring can be screwed on the outer surface of the adjusting pipe, the fixing ring can tightly extrude and fix the conveying sheath pipe in the adjusting pipe through extruding the trapezoidal limiting blocks, the fixing ring and the trapezoidal limiting blocks are convenient to fix the conveying sheath pipe, a plurality of sliding grooves are formed in the expander, the expander can be slidably connected with a plurality of connecting seats through a plurality of sliding grooves, the expanding joint can be rotatably connected through a plurality of connecting seats, and meanwhile, an expanding fixing seat and a groove are arranged in the inner wall of the conveying sheath pipe, thereby make the expander be convenient for through expansion joint and recess, fix the inside at the transport sheath pipe with the expander block.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the regulating tube of the present invention;
FIG. 3 is a schematic view of the expandable seat of the present invention;
FIG. 4 is a schematic view of a stent structure according to the present invention;
in the figure: 1. an adjusting seat; 2. an adjusting tube; 3. a stationary ring; 4. a delivery sheath; 5. a dilator; 6. expanding the fixed seat; 7. an expansion joint; 8. a limiting groove; 9. a trapezoidal limiting block; 10. connecting blocks; 11. a groove; 12. a stopper; 13. a connecting seat; 14. a slide bar; 15. a sliding groove; 16. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: the conveying system of the left auricle plugging device comprises a conveying sheath tube 4, an expander 5 and an adjusting tube 2 arranged on the outer surface of the conveying sheath tube 4, wherein the outer surface of the adjusting tube 2 is integrally formed with an adjusting seat 1, the outer surface of the adjusting seat 1 is provided with a plurality of limiting grooves 8, the inner wall of each limiting groove 8 is integrally formed with a connecting block 10, the adjusting tube 2 is fixedly connected with a trapezoidal limiting block 9 through the connecting block 10, the outer surface of the adjusting tube 2 is screwed with a fixing ring 3, the outer surface of the fixing ring 3 is provided with anti-skidding cross grains, in the embodiment, the conveying sheath tube 4 and the expander 5 are arranged, the adjusting tube 2 is arranged on the outer surface of the conveying sheath tube 4, so that the adjusting tube 2 can fix the conveying sheath tube 4, meanwhile, the inner wall of the limiting groove 8 in the adjusting tube 2 is elastically connected with a plurality of trapezoidal limiting blocks 9 through a plurality of connecting blocks 10, and the fixing ring 3 is screwed, make retainer plate 3 can close soon at the surface of control tube 2 to make retainer plate 3 can carry out inseparable extrusion through extrusion trapezoidal stopper 9 to the inside transport sheath pipe 4 of control tube 2 and fix and then make retainer plate 3 and trapezoidal stopper 9 be convenient for fix transport sheath pipe 4.
Specifically, a plurality of expansion fixing seats 6 are integrally formed in the inner wall of the conveying sheath tube 4, a plurality of grooves 11 are formed in the outer surface of each expansion fixing seat 6, a plurality of sliding grooves 15 are formed in the expander 5, the expander 5 is slidably connected with a plurality of connecting seats 13 through the sliding grooves 15, the expander 5 is rotatably connected with an expansion joint 7 through the plurality of connecting seats 13, in the embodiment, a plurality of sliding grooves 15 are formed in the expander 5, so that the expander 5 can be slidably connected with a plurality of connecting seats 13 through a plurality of sliding grooves 15, the expansion joint 7 can be connected with the conveying sheath pipe 4 in a rotating way through a plurality of connecting seats 13, the expansion fixing seat 6 and the groove 11 are arranged in the inner wall of the conveying sheath pipe 4, thereby, the dilator 5 is convenient to clamp and fix the dilator 5 in the conveying sheath 4 through the expansion joint 7 and the groove 11.
Specifically, the lower surface integrated into one piece of connecting seat 13 has slide bar 14, the outer surface cover of slide bar 14 has spring 16, the lower surface integrated into one piece of slide bar 14 has dog 12, be provided with slide bar 14 through the lower surface at connecting seat 13 in this embodiment, and carry out elastic connection with the inner wall of connecting seat 13 with expander 5 through spring 16, make expansion joint 7 be convenient for carry out elastic connection through connecting seat 13 and spring 16 with expander 5, thereby make connecting seat 13 be convenient for promote expansion joint 7 and laminate through spring 16 with recess 11, and then be convenient for expansion joint 7 to fix expander 5 in the inside of carrying sheath pipe 4.
Specifically, trapezoidal stopper 9 is provided with a plurality of altogether, and the trapezoidal stopper 9 of a plurality of all carries out elastic connection through the inner wall of connecting block 10 with spacing groove 8, has a plurality of through setting up trapezoidal stopper 9 in this embodiment, and the trapezoidal stopper 9 of a plurality of all carries out elastic connection through connecting block 10 and control tube 2 to make retainer plate 3 when closing soon, be convenient for extrude elastic connection's trapezoidal stopper 9, make trapezoidal stopper 9 be convenient for fix to carrying sheath pipe 4.
Specifically, the expansion joints 7 are provided with a plurality of expansion joints 7, the expansion joints 7 are symmetrically distributed by the expanders 5, and then the outer surfaces of the expansion joints 7 are attached to the inner wall of the groove 11.
Specifically, the stopper 12, the sliding rod 14 and the spring 16 are all provided with a plurality of stoppers 12, sliding rods 14 and springs 16, and the stoppers 12, the sliding rods 14 and the springs 16 are all symmetrically distributed with the expansion joints 7.
Specifically, one end of the spring 16 is fixedly connected to the connecting seat 13, the other end of the spring 16 is fixedly connected to the inner wall of the expander 5, and the connecting seat 13 is elastically slidably connected to the expander 5 through the spring 16.
The working principle and the using process of the invention are as follows: in the use process of the invention, the conveying sheath tube 4 and the dilator 5 are arranged, the adjusting tube 2 is arranged on the outer surface of the conveying sheath tube 4, so that the adjusting tube 2 can fix the conveying sheath tube 4, meanwhile, a plurality of trapezoidal limiting blocks 9 are elastically connected in the inner wall of the limiting groove 8 in the adjusting tube 2 through a plurality of connecting blocks 10, the fixing ring 3 is screwed on the outer surface of the adjusting tube 2, so that the fixing ring 3 can be screwed on the outer surface of the adjusting tube 2, the fixing ring 3 can tightly extrude and fix the conveying sheath tube 4 in the adjusting tube 2 by extruding the trapezoidal limiting blocks 9, further the fixing ring 3 and the trapezoidal limiting blocks 9 are convenient for fixing the conveying sheath tube 4, and a plurality of sliding grooves 15 are arranged in the dilator 5, so that the dilator 5 can be slidably connected with a plurality of connecting seats 13 through a plurality of sliding grooves 15, the expansion joint 7 can be rotatably connected through a plurality of connecting seats 13, meanwhile, an expansion fixing seat 6 and a groove 11 are arranged in the inner wall of the conveying sheath tube 4, so that the expander 5 can be conveniently clamped and fixed in the conveying sheath tube 4 through the expansion joint 7 and the groove 11, the sliding rod 14 is arranged on the lower surface of the connecting seat 13, the connecting seat 13 is elastically connected with the inner wall of the expander 5 through a spring 16, the expansion joint 7 is elastically connected with the expander 5 through the connecting seat 13 and the spring 16, the connecting seat 13 is convenient to push the expansion joint 7 to be attached to the groove 11 through the spring 16, the expansion joint 7 is convenient to fix the expander 5 in the conveying sheath tube 4, a plurality of trapezoidal limiting blocks 9 are arranged, and the trapezoidal limiting blocks 9 are elastically connected with the adjusting tube 2 through the connecting blocks 10, thereby make retainer plate 3 when closing soon, be convenient for extrude elastic connection's trapezoidal stopper 9 for trapezoidal stopper 9 is convenient for fix carrying sheath pipe 4.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Left auricle plugging device's conveying system is including carrying sheath pipe (4) and expander (5) to and set up in the regulation pipe (2) of carrying sheath pipe (4) surface, its characterized in that: the outer surface of the adjusting pipe (2) is integrally formed with an adjusting seat (1), the outer surface of the adjusting seat (1) is provided with a plurality of limiting grooves (8), the inner wall of each limiting groove (8) is integrally formed with a connecting block (10), the adjusting pipe (2) is fixedly connected with a trapezoidal limiting block (9) through the connecting block (10), the outer surface of the adjusting pipe (2) is screwed with a fixing ring (3), and the outer surface of the fixing ring (3) is provided with anti-skidding cross grains; a plurality of expansion fixing seats (6) are integrally formed in the inner wall of the conveying sheath tube (4), a plurality of grooves (11) are formed in the outer surface of each expansion fixing seat (6), a plurality of sliding grooves (15) are formed in the expander (5), the expander (5) is connected with a plurality of connecting seats (13) in a sliding mode through the sliding grooves (15), and the expander (5) is rotatably connected with an expansion joint (7) through the plurality of connecting seats (13); a sliding rod (14) is integrally formed on the lower surface of the connecting seat (13), a spring (16) is sleeved on the outer surface of the sliding rod (14), and a stop block (12) is integrally formed on the lower surface of the sliding rod (14).
2. The delivery system for a left atrial appendage occlusion device of claim 1, wherein: the trapezoidal limiting blocks (9) are provided with a plurality of limiting blocks, and the trapezoidal limiting blocks (9) are elastically connected with the inner wall of the limiting groove (8) through the connecting blocks (10).
3. The delivery system for a left atrial appendage occlusion device of claim 1, wherein: the expansion joints (7) are provided with a plurality of expansion joints, the expansion joints (7) are symmetrically distributed by the expanders (5), and then the outer surfaces of the expansion joints (7) are attached to the inner walls of the grooves (11).
4. The delivery system for a left atrial appendage occlusion device of claim 1, wherein: the stop block (12), the sliding rod (14) and the spring (16) are all provided with a plurality of stop blocks (12), the sliding rod (14) and the spring (16) are all symmetrically distributed through the expansion joint (7).
5. The delivery system for a left atrial appendage occlusion device of claim 1, wherein: one end of the spring (16) is fixedly connected with the connecting seat (13), the other end of the spring (16) is fixedly connected with the inner wall of the expander (5), and the connecting seat (13) is elastically and slidably connected with the expander (5) through the spring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010026359.1A CN111166412B (en) | 2020-01-10 | 2020-01-10 | Delivery system for left atrial appendage occlusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010026359.1A CN111166412B (en) | 2020-01-10 | 2020-01-10 | Delivery system for left atrial appendage occlusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111166412A CN111166412A (en) | 2020-05-19 |
| CN111166412B true CN111166412B (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010026359.1A Expired - Fee Related CN111166412B (en) | 2020-01-10 | 2020-01-10 | Delivery system for left atrial appendage occlusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111166412B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088258U (en) * | 1990-12-30 | 1991-11-06 | 东南大学 | Adjustable optical fiber connector |
| US7044134B2 (en) * | 1999-11-08 | 2006-05-16 | Ev3 Sunnyvale, Inc | Method of implanting a device in the left atrial appendage |
| US20050240153A1 (en) * | 2004-01-23 | 2005-10-27 | Opie John C | Vascular sheath |
| US8142470B2 (en) * | 2005-12-01 | 2012-03-27 | Atritech, Inc. | Method for accessing the left atrial appendage with a balloon-tipped transeptal sheath |
| CN104771214B (en) * | 2014-01-14 | 2017-06-13 | 上海市第六人民医院 | A kind of Ilizarov exterior fixing racks |
| GB2530313B (en) * | 2014-09-19 | 2016-09-14 | Cook Medical Technologies Llc | Spring lock implantable vascular device |
| CN106618664B (en) * | 2016-12-06 | 2023-04-14 | 上海心玮医疗科技股份有限公司 | Left auricle occluder conveying system |
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2020
- 2020-01-10 CN CN202010026359.1A patent/CN111166412B/en not_active Expired - Fee Related
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| CN111166412A (en) | 2020-05-19 |
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Inventor after: Lamberti Inventor after: Fu Jiao Inventor after: Wu Yue Inventor after: Wang Ruitao Inventor after: Gao Lin Inventor after: Cheng Gesheng Inventor after: Fan Fenling Inventor after: Zhang Yushun Inventor before: Lamberti Inventor before: Zhu Guangyu Inventor before: Gao Lin Inventor before: Zhang Yushun Inventor before: Fan Fenling |
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