CN205758647U - The induction system of left atrial appendage occlusion device - Google Patents
The induction system of left atrial appendage occlusion device Download PDFInfo
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- CN205758647U CN205758647U CN201620518642.5U CN201620518642U CN205758647U CN 205758647 U CN205758647 U CN 205758647U CN 201620518642 U CN201620518642 U CN 201620518642U CN 205758647 U CN205758647 U CN 205758647U
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- atrial appendage
- left atrial
- occlusion device
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- appendage occlusion
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Abstract
This utility model provides the induction system of a kind of left atrial appendage occlusion device, and described induction system includes the first delivery section and is positioned at the second delivery section of described first delivery section, and before entering sheath, the first delivery section is connected with the first hub of left atrial appendage occlusion device；Second delivery section is connected with the second hub of described left atrial appendage occlusion device, thus so that described left atrial appendage occlusion device draws in, more described left atrial appendage occlusion device is entered sheath, just can avoid the left atrial appendage occlusion device problem that length is long in sheath pipe.When release, the Part II being provided with anchoring structure in left atrial appendage occlusion device first discharges, and now can discharge the second hub and first hub of left atrial appendage occlusion device the most again with resetting until reaching suitable fixed position.Visible, what the induction system of left atrial appendage occlusion device that this utility model provides can preferably realize left atrial appendage occlusion device enters sheath or release.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly to the induction system of a kind of left atrial appendage occlusion device.
Background technology
Atrial fibrillation (atrial fibrillation) is the most modal perpetual arrhythmia, and in general population, atrial fibrillation sickness rate is
0.5%～1.3%.The topmost harm of atrial fibrillation is to promote thrombosis, causes apoplexy, peripheral blood vessel thromboembolism after thrombus breaks loose
Etc. complication, dramatically increase disability rate and fatality rate.Apoplexy is the complication that atrial fibrillation is most common, harm is maximum, world wide
There are about 15,000,000 people the most every year and suffer from apoplexy, wherein 20%～25% owing to atrial fibrillation.Research display, the rheumatic heart of 60%
Disease of ZANG-organs patients with atrial fibrillation heart source property thrombosis is from left auricle, and in Non-valvular disease patients with atrial fibrillation, more than 90% thrombosis is in left auricle.
Therefore, intervene left auricle prevention patients with atrial fibrillation thromboembolism, especially apoplexy, there is important theoretical foundation and clinical meaning.
Anticoagulant therapy is currently the standard method of prevention atrial fibrillation apoplexy complication, but anticoagulant therapy exists certain limitation.
Therefore use more efficient safe measure prevention atrial fibrillation apoplexy significant.The most employing interventional therapies are inaccessible
The method of left auricle.
At present, left atrial appendage occlusion device is of a great variety.Function to be realized mainly has: (1) is due to left auricle oral area
Shape very irregular, it is desirable to left atrial appendage occlusion device can block left auricle oral area completely, eliminates and causes left auricle due to atrial fibrillation
Oral area forms thrombosis；(2) planform of left auricle is different, varying depth, also has multi-cavity, and left atrial appendage occlusion device to adapt to
The anatomical structure of left auricle；(3) possess certain adjustability, energy resetting, discharge and reclaim；(4) displacement, anchor are prevented
Determine to consolidate.
Most represent in existing left atrial appendage occlusion device is caged obturation type occluder for left auricle.General caged is inaccessible
Type occluder for left auricle includes the first hub, the second hub and connects the first hub and the cage structure of the second hub, cage-like structure
On there is anchoring structure.But described first hub and the second hub are two sections of masts, enter after described first hub and the second hub being stretched
During sheath, cage-like obturation type occluder for left auricle length in sheath pipe will be caused long.It is concrete as it is shown in figure 1, caged is closed
After plunger type occluder for left auricle 11 puts into sheath pipe 10, cage-like obturation type occluder for left auricle 11 will be elongated, thus cause
Its length in sheath pipe is long.During release, the second hub preferentially discharges, then release cage structure and anchoring structure thereon, so
After discharge the first hub again.Owing to the second hub preferentially discharges, thus cause cage structure and anchoring structure thereon be difficult to adjust with
Realize resetting, the most thus cause being difficulty with resetting；And in resetting, easy muscle injury fiber group
Knit.Meanwhile, the most not possessing can the performance of appropriate regulation according to different left auricle shapes.
Therefore, the most preferably realize left atrial appendage occlusion device enters sheath or release, has become those skilled in the art urgently
Technical barrier to be solved.
Utility model content
The purpose of this utility model is to provide the induction system of a kind of left atrial appendage occlusion device, preferably to realize the left heart
Ear plugging device enter sheath or release.
For solving above-mentioned technical problem, this utility model provides the induction system of a kind of left atrial appendage occlusion device, is used for releasing
Putting a left atrial appendage occlusion device, described induction system includes the first delivery section and is positioned at the second defeated of described first delivery section
Send portion；
Described first delivery section is separate or may be linked for the first hub with described left atrial appendage occlusion device；
Described second delivery section is separate or may be linked for the second hub with described left atrial appendage occlusion device.
Optionally, in the induction system of described left atrial appendage occlusion device, described induction system does not discharges the described left heart
During ear plugging device, described first hub engages with described second hub.
Optionally, in the induction system of described left atrial appendage occlusion device, described induction system also includes a sheath pipe, institute
State the first delivery site inside described sheath pipe.
Optionally, in the induction system of described left atrial appendage occlusion device, described induction system also includes a spacing dress
Put, be used for fixing described first delivery section and the second delivery section.
Optionally, in the induction system of described left atrial appendage occlusion device, described stopping means include a clamping part with
And a force section, described clamping part, partially or completely through the draw-in groove being positioned in described first delivery section, clamps described second defeated
Send portion.
Optionally, in the induction system of described left atrial appendage occlusion device, described induction system also includes one handle, institute
State handle and be positioned at described first delivery section and/or the near-end of described second delivery section, described handle has a visualization mark.
Optionally, in the induction system of described left atrial appendage occlusion device, described left atrial appendage occlusion device includes one
A part and a Part II；One end of described Part I connects described first hub, and the other end connects described Part II
One end, the other end of described Part II connects described second hub.
Optionally, in the induction system of described left atrial appendage occlusion device, described induction system does not discharges the described left heart
During ear plugging device, described Part II is positioned at described Part I.
Optionally, in the induction system of described left atrial appendage occlusion device, described Part I and/or described second
Set up separately and put some anchoring structures.
Optionally, in the induction system of described left atrial appendage occlusion device, the far-end of described first hub includes a step,
When described first hub engages with described second hub, being proximally located on described step of described second hub.
Optionally, in the induction system of described left atrial appendage occlusion device, the near-end of described first hub includes a groove,
The far-end of described first delivery section is positioned at described groove.
Optionally, in the induction system of described left atrial appendage occlusion device, the far-end of described first delivery section is loudspeaker
Shape.
Optionally, in the induction system of described left atrial appendage occlusion device, when described first hub and described second hub phase
During joint, described first hub and the second hub are connected by external splines internal spline structure or buckle structure connects.
Optionally, in the induction system of described left atrial appendage occlusion device, described first delivery section and described first hub
Connected by screw nut structure, external splines internal spline structure connects or buckle structure connects and/or described second delivery section
Be connected by screw nut structure with described second hub, external splines internal spline structure connects or buckle structure connects.
In the induction system of the left atrial appendage occlusion device of this utility model offer, described induction system includes the first conveying
Portion and be positioned at the second delivery section of described first delivery section, before entering sheath, the first delivery section and left atrial appendage occlusion device
First hub connects；Second delivery section is connected with the second hub of described left atrial appendage occlusion device, thus so that described left auricle
Plugging device draws in, more described left atrial appendage occlusion device is entered sheath, just can avoid left atrial appendage occlusion device in sheath pipe
The problem that length is long.When release, the Part II being provided with anchoring structure in left atrial appendage occlusion device first discharges, and now may be used
With resetting until reaching suitable fixed position, discharge the second hub and first hub of left atrial appendage occlusion device the most again.Can
Seeing, what the induction system of left atrial appendage occlusion device that this utility model provides can preferably realize left atrial appendage occlusion device enters sheath
Or release.
Accompanying drawing explanation
Fig. 1 is caged obturation type occluder for left auricle view in sheath pipe in prior art；
Fig. 2 is the structural representation of a kind of left atrial appendage occlusion device；
Fig. 3 is the structural representation of another kind of left atrial appendage occlusion device；
Fig. 4 is the structural representation of the induction system of the left atrial appendage occlusion device of this utility model embodiment one；
Fig. 5 is the left atrial appendage occlusion device of this utility model embodiment one view in induction system；
Fig. 6 is the part release conditions schematic diagram of the left atrial appendage occlusion device of this utility model embodiment one；
Fig. 7 is the part release conditions schematic diagram of the left atrial appendage occlusion device of this utility model embodiment one；
Fig. 8 is whole release conditions schematic diagrams of the left atrial appendage occlusion device of this utility model embodiment one；
Fig. 9 is the view that the left atrial appendage occlusion device of this utility model embodiment one is anchored on left auricle；
Figure 10 is the structural representation of the stopping means of this utility model embodiment one；
Figure 11 is that the stopping means of this utility model embodiment one is fixed the structure of the first delivery section and the second delivery section and shown
It is intended to；
Figure 12 is the part release conditions schematic diagram of the left atrial appendage occlusion device of this utility model embodiment two；
Figure 13 is the part release conditions schematic diagram of the left atrial appendage occlusion device of this utility model embodiment two；
Figure 14 is whole release conditions schematic diagrams of the left atrial appendage occlusion device of this utility model embodiment two；
Figure 15 is the part release conditions schematic diagram of the left atrial appendage occlusion device of this utility model embodiment three；
Figure 16 is whole release conditions schematic diagrams of the left atrial appendage occlusion device of this utility model embodiment four；
Figure 17 is another whole release conditions schematic diagrams of the left atrial appendage occlusion device of this utility model embodiment four；
Figure 18 is another whole release conditions schematic diagrams of the left atrial appendage occlusion device of this utility model embodiment four；
Figure 19 is the external splines structure of this utility model embodiment four；
Figure 20 is the internal spline structure of this utility model embodiment four；
Figure 21 is the view under the external splines structure of this utility model embodiment four is connected with internal spline structure.
Detailed description of the invention
Induction system below in conjunction with the drawings and specific embodiments left atrial appendage occlusion device to the utility model proposes is made
Further describe.According to following explanation and claims, advantage of the present utility model and feature will be apparent from.Need explanation
, accompanying drawing all uses the form simplified very much and all uses non-ratio accurately, only in order to aid in illustrating originally conveniently, lucidly
The purpose of utility model embodiment.Particularly, the content to be highlighted due to each accompanying drawing is different, often have employed different ratios
Example.
In this article, whether explicitly pointing out, all numerical value are all assumed that available term " about " is modified.?
Using in the context of numerical value, term " about " typically refers to those skilled in the art and will be considered to be equal to cited value
The scope of one value of (that is, there is identical function or result).In many cases, term " about " can include being rounded
Numerical value to nearest significant digits.Outside unless otherwise prescribed, other to the use of term " about " (i.e. except using numerical value
In context in addition) can be assumed there is its common and habitual definition, as understood according to the context of this specification
And keep consistent with it.
In this article, " near-end " and " far-end " is unit relative to each other from the point of view of the doctor's angle using this medical apparatus and instruments
Part or the relative bearing of action, relative position, direction, although " near-end " and " far-end " is not restrictive, but " near-end "
It is often referred to this armarium one end near doctor in course of normal operation, and " far-end " typically refers to initially enter patient's body
Interior one end.
As used in the specification and the appended claims, singulative " ", " one " and " being somebody's turn to do " include
Plural reference, unless outside content additionally explicitly points out.As used in the specification and the appended claims, term "or"
It is typically to include that the implication of "and/or" and carrying out uses, unless outside content additionally explicitly points out.
Most represent in existing left atrial appendage occlusion device is caged obturation type occluder for left auricle, therefore in the application
In embodiment all as a example by caged obturation type occluder for left auricle, those skilled in the art should appreciate that protection of the present utility model
Scope is not with the caged obturation type occluder for left auricle in embodiment for limiting.
Refer to Fig. 2 and Fig. 3, Fig. 2 and Fig. 3 and respectively illustrate the structural representation of two kinds of left atrial appendage occlusion devices.Such as Fig. 2
Shown in Fig. 3, described left atrial appendage occlusion device 2 includes: first hub the 20, second hub 21 and connection the first hub 20 and the second hub 21
Cage structure 22, cage-like structure 22 has anchoring structure 23.Preferably, cage-like structure 22 has multiple rows of anchor
Fixed structure 23, so that described left atrial appendage occlusion device 2 can be easier to be fixed on left auricle, and can be more
Stablize, be securely held on left auricle.Here, two kinds of left atrial appendage occlusion devices 2 are caged obturation type occluder for left auricle.
Need to know, caged obturation type occluder for left auricle can also have other versions, and the application is the most applicable to this；This
Outward, in left atrial appendage occlusion device in addition to most typical caged obturation type occluder for left auricle, also have other versions, this
Apply for equally applicable to this.
[embodiment one]
Refer to Fig. 4, it is the structural representation of induction system of left atrial appendage occlusion device of this utility model embodiment one
Figure.As shown in Figure 4, described induction system 3 includes: the first delivery section 30 and be positioned at the second defeated of described first delivery section 30
Send portion 31.Wherein, described first delivery section 30 is separate or may be linked with described (left atrial appendage occlusion device 2) first hub 20, described
Second delivery section 31 is separate or may be linked with described (left atrial appendage occlusion device 2) second hub 21.By described induction system 3, tool
Body, before entering sheath, described first delivery section 30 is connected with the first hub 20 of left atrial appendage occlusion device 2；Described second delivery section
31 are connected with the second hub 21 of described left atrial appendage occlusion device 2, thus so that described left atrial appendage occlusion device 2 draws in, so
After more described left atrial appendage occlusion device 2 is entered sheath, just can avoid left atrial appendage occlusion device 2 long asking of length in sheath pipe
Topic.
Concrete, refer to Fig. 5, it is that the left atrial appendage occlusion device of this utility model embodiment one is in induction system
View.As it is shown in figure 5, in the embodiment of the present application, described induction system 3 also includes a sheath pipe 32, described first defeated
Portion 30 is sent to be positioned at described sheath pipe 32 internal.Now, described induction system 3 does not discharges described left atrial appendage occlusion device 2, and described first
Delivery section 30 is connected with described first hub 20, and described second delivery section 31 is connected with described second hub 21.Further, described
One hub 20 engages with described second hub 21, so that described left atrial appendage occlusion device 2 gathers together, relative to Fig. 1 institute
Situation about showing, substantially reduces the left atrial appendage occlusion device 2 length in sheath pipe, the most also can be easy to described left atrial appendage occlusion dress
Put the release of 2.
Please continue to refer to Fig. 5, described left atrial appendage occlusion device 2 (namely cage-like structure 22) includes a Part I
220 and a Part II 221；One end of described Part I 220 connects described first hub 20, and the other end connects described second
Dividing one end of 221, the other end of described Part II 221 connects described second hub 21.In the embodiment of the present application, the described left heart
Some anchoring structures 23 all can be provided with on the Part I 220 of ear plugging device 2 and Part II 221.Described delivery system
When system 3 does not discharges described left atrial appendage occlusion device 2, described Part II 221 is positioned at described Part I 220.The most described
A part 220 is overlapping with described Part II 221 in the vertical direction, the most just substantially reduces described left atrial appendage occlusion
The device 2 length in sheath pipe.Owing to being folded state when this left atrial appendage occlusion device 2 is positioned at inside this induction system 3, it is positioned at
In the internally positioned space of anchoring structure 23 on Part II 221, when entering sheath pipe 32 and moving in sheath pipe 32, will not
Contact sheath pipe 32, does not haves the situation scratching sheath pipe 32 yet.
Next referring to Fig. 6 to Fig. 8, it illustrates the release process for left atrial appendage occlusion device 2.
First, as shown in Figure 6, along with the first delivery section 30 and the second delivery section 31 are released in sheath pipe 32, the described left heart
Ear plugging device 2 (can be accordingly with reference to Fig. 2 or Fig. 3) the most slowly in sheath pipe 32 out.Here, described left atrial appendage occlusion device 2
First in sheath pipe 32, out part is Part I 220 and anchoring structure thereon 23.Now, induction system 3 still with institute
Stating left atrial appendage occlusion device 2 to connect, the most described induction system 3 still can control described left atrial appendage occlusion device 2, and doctor is permissible
Regulation anchoring structure 23 is fixed for left auricle, thus realizes resetting.
Then, as it is shown in fig. 7, the second delivery section 31 continues release in sheath pipe 32, (now the first delivery section 30 can stop
Release in sheath pipe 32 or relatively slowly release in sheath pipe 32).Now, other portions in described left atrial appendage occlusion device 2
Point also in sheath pipe 32 out.Owing to now the first hub 20 and the second hub 21 still connect with the first delivery section 30 and the second delivery section
Then, the state of the most described left atrial appendage occlusion device 2 is still that (by doctor) is controlled, and the most now doctor still can regulate
Anchoring structure 23 is fixed for left auricle, it is achieved resetting.
The most as shown in Figure 8, when left atrial appendage occlusion device 2 is fixed on the correct position of left auricle by doctor, its
Just described left atrial appendage occlusion device 2 can be discharged.Specifically include: make described second delivery section 31 and described second hub 21 points
Opening, described first delivery section 30 is separated with described first hub 20.Now, described left atrial appendage occlusion device 2 the most just can not be weighed again
Located again.
Please continue to refer to Fig. 8, in the embodiment of the present application, described second delivery section 31 passes through screw thread with described second hub 21
Nut structure connects, just can be real by the screw nut structure tightened with unscrew described second delivery section 31 and described second hub 21
The connection of the most described existing second delivery section 31 and described second hub 21 with separate.In other embodiments of the application, described second
Delivery section 31 also can be connected by other connected modes with described second hub 21, such as, external splines internal spline structure connect or
Buckle structure connects.
In the embodiment of the present application, described first hub 20 engages especially by following manner with described second hub 21: institute
The far-end stating the first hub 20 includes a step 200, when described first hub 20 engages with described second hub 21, and described second hub
21 be proximally located on described step 200.Described first delivery section 30 is connected in the following way with described first hub 20: described
The near-end of the first hub 20 includes that a groove 201, the far-end of described first delivery section 30 are positioned at described groove 201.Thus, easy
Described first delivery section 30 that just achieves be connected with described first hub 20；Meanwhile, during release, described first delivery section 30 and institute
State the first hub 20 also can separate very easily.
After said process, described left atrial appendage occlusion device 2 just can be fixed on left auricle 4 (can accordingly with reference to Fig. 9 and
Fig. 2, Fig. 3), thus realize the closure for described left auricle 4.
Then, refer to Figure 10 and Figure 11, wherein, Figure 10 is that the structure of the stopping means of this utility model embodiment one is shown
It is intended to；Figure 11 is that the stopping means of this utility model embodiment one fixes the first delivery section and the structural representation of the second delivery section
Figure.In the embodiment of the present application, described induction system 3 also includes a stopping means 33, is used for fixing described first delivery section 30
And second delivery section 31.Further, described stopping means 33 includes clamping part 330 and a force section 331, a described clamping
Portion 330 includes a protruding block, and described protruding block, by being positioned at the draw-in groove 34 in described first delivery section 30, clamps described second defeated
Send portion 31.Described first delivery section 30 and the second delivery section 31 can be controlled very easily, with right by described stopping means 33
Described first delivery section 30 and the second delivery section 31 carry out the operations such as overall propelling movement.It is also connected with a spring on described force section 331
332, for stationary gripping part 330.
Then, please continue to refer to Fig. 4, it is preferred that described induction system 3 also includes one handle 35, in the embodiment of the present application
In, described handle 35 is positioned at the near-end of described first delivery section 30.By clamping described handle 35 and pushing, it is possible to so that
The propelling in described sheath pipe 32 in described first delivery section 30 and described second delivery section 31, and finally realize for a described left side
The release of atrial appendage occlusion device 2.Preferably, described handle 35 having a visualization mark, described visualization mark can be
The rotation recognition marks of screw nut structure, is the screw nut knot of described second delivery section 31 and described second hub 21 at this
The rotation recognition marks of structure, such that it is able to identify easily the left and right rotation direction of screw thread, it is simple to realize described second delivery section 31 with
Connection between described second hub 21 with separate.
In the embodiment of the present application, can realize for the release of described left atrial appendage occlusion device 2 by following process:
By handle 35 or stopping means 33 by described first delivery section 30 and described second delivery section 31 at described sheath pipe
Advance in 32；Then, the Part I of described left atrial appendage occlusion device 2 is discharged (by described first delivery section 30 and institute
State the second delivery section 31 far-end to be pushed out sheath pipe 32 and can realize), now can carry out location and regulation are repeated several times；Described
After the location of a part completes, then unclamp stopping means 33, unscrew the screw nut knot of the second delivery section 31 and the second hub 21
Structure so that described second delivery section 31 is separated with the second hub 21, now, described left atrial appendage occlusion device 2 just can be buckled in left auricle 4
On；Then pull back the first delivery section 30, the most releasable described left atrial appendage occlusion device 2.
As fully visible, in the induction system of the left atrial appendage occlusion device of the present embodiment offer, left auricle can be avoided to seal
The block apparatus problem that length is long in sheath pipe；Meanwhile, it is capable of resetting when release, it is seen that preferably achieve a left side
Atrial appendage occlusion device enter sheath or release.
[embodiment two]
Refer to Figure 12 to Figure 14, it illustrates the induction system of the left atrial appendage occlusion device of this utility model embodiment two
And be release to left atrial appendage occlusion device.As it can be seen, described induction system 5 includes: the first delivery section 50 and be positioned at institute
State the second delivery section 51 in the first delivery section 50.Wherein, described first delivery section 50 and described (left atrial appendage occlusion device 2)
First hub 20 is separate or may be linked, and described second delivery section 51 is separated with described (left atrial appendage occlusion device 2) second hub 21 or connected
Connect.By described induction system 5, concrete, before entering sheath, described first delivery section 50 and the first of left atrial appendage occlusion device 2
Hub 20 connects；Described second delivery section 51 is connected with the second hub 21 of described left atrial appendage occlusion device 2, thus so that described
Left atrial appendage occlusion device 2 draws in, more described left atrial appendage occlusion device 2 is entered sheath, just can avoid left atrial appendage occlusion device 2
The problem that length is long in sheath pipe.
In the present embodiment two, the connected mode of described second delivery section 51 and described second hub 21 and embodiment one phase
With, connect again by screw nut structure.
In the present embodiment two, the connected mode of described first delivery section 50 and described first hub 21 is with embodiment one not
With, here, described first delivery section 50 is connected also by screw nut structure with described first hub 21.
Further, in the present embodiment two, the near-end of described first delivery section 50 and the second delivery section 51 is provided with
Handle 53, wherein, the handle 53 of described second delivery section 51 near-end can be implemented separately pushing away for described second delivery section 51
Send.Further, the handle 53 of described first delivery section 50 and the second delivery section 51 is provided with visualization mark.In this reality
Execute in example two, the handle 53 of described first delivery section 50 near-end shows the first delivery section 50 and screw nut of the first hub 21
The rotation recognition marks of structure；The second delivery section 51 and the second hub 21 is shown on the handle 53 of described second delivery section 51 near-end
The rotation recognition marks of screw nut structure, thus can realize described first delivery section 50 and described first hub very easily
The connection of 21 with separate, the connection of described second delivery section 51 and described second hub 21 with separate.
Further, described induction system 5 may also comprise sheath pipe, stopping means etc., and this part-structure (includes the present embodiment
Two other structures not described) can reference example one accordingly, this is repeated no more by the present embodiment two.
Please continue to refer to Figure 12 to Figure 14, in the embodiment of the present application, can be realized for the described left heart by following process
The release of ear plugging device 2:
By handle 53 or stopping means (not shown) by described first delivery section 50 and described second delivery section 51
Advance in described sheath pipe 52；Then, the Part I of described left atrial appendage occlusion device 2 is discharged (by described first defeated
Portion 50 and described second delivery section 51 far-end is sent to be pushed out sheath pipe 52 and can realize), now can carry out location being repeated several times and adjusting
Joint；After the location of described Part I completes, then unclamp stopping means, unscrew the second delivery section 51 and spiral shell of the second hub 21
Stricture of vagina nut structure so that described second delivery section 51 is separated with the second hub 21, now, described left atrial appendage occlusion device 2 just can be detained
On left auricle；Then unscrewing the first delivery section 50 and screw nut structure of the first hub 20, the most releasable described left auricle seals
Block apparatus 2.
As fully visible, in the induction system of the left atrial appendage occlusion device of the present embodiment offer, left auricle can be avoided to seal
The block apparatus problem that length is long in sheath pipe；Meanwhile, it is capable of resetting when release, it is seen that preferably achieve a left side
Atrial appendage occlusion device enter sheath or release.
[embodiment three]
Refer to Figure 15, its be this utility model embodiment three left atrial appendage occlusion device part release conditions signal
Figure.As shown in figure 15, in the present embodiment three, described induction system 6 includes: the first delivery section 60 and be positioned at described first defeated
Send the second delivery section 61 in portion 60.Wherein, described first delivery section 60 and described (left atrial appendage occlusion device 2) first hub 20
Being separate or may be linked, described second delivery section 61 is separate or may be linked with described (left atrial appendage occlusion device 2) second hub 61.By institute
Stating induction system 6, concrete, before entering sheath, described first delivery section 60 is connected with the first hub 20 of left atrial appendage occlusion device 2；
Described second delivery section 61 is connected with the second hub 61 of described left atrial appendage occlusion device 2, thus so that described left auricle seals
Block apparatus 2 draws in, more described left atrial appendage occlusion device 2 is entered sheath, just can avoid left atrial appendage occlusion device 2 in sheath pipe
The problem that length is long.
In the present embodiment three, the far-end of described first delivery section 60 is horn-like.Here, described second delivery section 61 with
Described second hub 21 is connected by screw nut structure；Connecting through between described first delivery section 60 and described first hub 20
Described first delivery section 60 is withstood described first hub 20 and is realized.Owing to the far-end of described first delivery section 60 is horn-like, in institute
Stating after the second delivery section 61 is connected by screw nut structure with described second hub 21, described first delivery section 60 just can be withstood
Described first hub 20, thus described left atrial appendage occlusion device 2 just can be made to draw in.
Same, described induction system 6 may also comprise sheath pipe, stopping means, handle etc., and this part-structure (includes this reality
Execute other structures that example three does not describes) can reference example one accordingly, this is repeated no more by the present embodiment three.
Described left atrial appendage occlusion device 2 can be discharged by following process:
Described first delivery section 60 and described second delivery section 61 are advanced in described sheath pipe 62；Then, release
The Part I of described left atrial appendage occlusion device 2 (is pushed by described first delivery section 60 and described second delivery section 61 far-end
Go out sheath pipe 62 can realize), now can carry out location and regulation are repeated several times；After the location of described Part I completes, rotation
Pine the second delivery section 61 and screw nut structure of the second hub 21 so that described second delivery section 61 is separated with the second hub 21, this
Time, described left atrial appendage occlusion device 2 just can be buckled on left auricle；Then pull back the first delivery section 60, the most releasable described left heart
Ear plugging device 2.
As fully visible, in the induction system of the left atrial appendage occlusion device of the present embodiment offer, left auricle can be avoided to seal
The block apparatus problem that length is long in sheath pipe；Meanwhile, it is capable of resetting when release, it is seen that preferably achieve a left side
Atrial appendage occlusion device enter sheath or release.
[embodiment four]
In the present embodiment four, described induction system includes: the first delivery section and be positioned at described first delivery section
Second delivery section.Wherein, described first delivery section is separate or may be linked with described (left atrial appendage occlusion device 2) first hub 20, institute
State the second delivery section to be separate or may be linked with described (left atrial appendage occlusion device 2) second hub 21.By described induction system, specifically
, before entering sheath, described first delivery section is connected with the first hub 20 of left atrial appendage occlusion device 2；Described second delivery section and institute
The second hub 21 stating left atrial appendage occlusion device 2 connects, and thus so that described left atrial appendage occlusion device 2 draws in, will the most again
Described left atrial appendage occlusion device 2 enters sheath, just can avoid left atrial appendage occlusion device 2 problem that length is long in sheath pipe.
The present embodiment four main difference is that with embodiment one, embodiment two or embodiment three, and described first hub can
It is connected with described second hub.
Specifically referring to Figure 16 and Figure 17, wherein, Figure 16 is the left atrial appendage occlusion device of this utility model embodiment four
One whole release conditions schematic diagrams；Figure 17 is that another of the left atrial appendage occlusion device of this utility model embodiment four all discharges shape
State schematic diagram.As shown in Figure 16 and Figure 17, described left atrial appendage occlusion device after all release, described first hub 20 and described the
Two hubs 21 can some or all of connect.It is connected and company by described first hub 20 is some or all of with described second hub 21
The position connect, so that described left atrial appendage occlusion device preferably adapts to different left auricle.Concrete, when described second hub
21 when being connected (as shown in figure 16) with the top of described first hub 20, and described left atrial appendage occlusion device can preferably adapt to shape relatively
Little left auricle；When the bottom of described second hub 21 with described first hub 20 is connected (as shown in figure 17), described left auricle seals
Block apparatus can preferably adapt to the left auricle that shape is bigger；Additionally, when described second hub 21 and described first hub 20 separate (such as figure
Shown in 18) time, described left atrial appendage occlusion device can preferably adapt to the left auricle that shape is bigger.
Wherein, described first hub 20 can be connected by buckle structure or external splines internal spline structure with described second hub 21
Connect.Such as, described first hub 20 connects (can be corresponding referring to figures 16 to Figure 18) to described second hub 21 by buckle structure,
Wherein, described first hub 20 arranges interior buckle structure, and described second hub 21 arranges outer buckle structure；And for example, described first hub 20
With described second hub 21 by external splines internal spline structure be connected (wherein, external splines internal spline structure and both connect under shape
State can be accordingly referring to figures 19 through Figure 21), wherein, described first hub 20 arranges internal spline structure, and described second hub 21 arranges outer flower
Bond structure.
Further, now, described first hub 20 can be connected with described first delivery section by external screw thread nut structure, institute
State the second hub 21 to be connected with described second delivery section by internal threaded nut.
As fully visible, in the induction system of the left atrial appendage occlusion device of this utility model embodiment offer, described conveying
System includes the first delivery section and is positioned at the second delivery section of described first delivery section, before entering sheath, the first delivery section with
First hub of left atrial appendage occlusion device connects；Second delivery section is connected with the second hub of described left atrial appendage occlusion device, thus may be used
So that described left atrial appendage occlusion device draws in, more described left atrial appendage occlusion device is entered sheath, just can avoid left auricle
The plugging device problem that length is long in sheath pipe.When release, left atrial appendage occlusion device is provided with the second of anchoring structure
Part first discharges, and now can discharge left atrial appendage occlusion device the most again with resetting until reaching suitable fixed position
Second hub and the first hub.Visible, the induction system of the left atrial appendage occlusion device that this utility model provides can preferably realize a left side
Atrial appendage occlusion device enter sheath or release.
Foregoing description is only the description to this utility model preferred embodiment, not any limit to this utility model scope
Fixed, any change that the those of ordinary skill in this utility model field does according to the disclosure above content, modification, belong to right and want
Seek the protection domain of book.
Claims (14)
1. an induction system for left atrial appendage occlusion device, for release one left atrial appendage occlusion device, it is characterised in that described defeated
System is sent to include the first delivery section and be positioned at the second delivery section of described first delivery section；
Described first delivery section is separate or may be linked for the first hub with described left atrial appendage occlusion device；
Described second delivery section is separate or may be linked for the second hub with described left atrial appendage occlusion device.
2. the induction system of left atrial appendage occlusion device as claimed in claim 1, it is characterised in that described induction system does not discharges
During described left atrial appendage occlusion device, described first hub engages with described second hub.
3. the induction system of left atrial appendage occlusion device as claimed in claim 1, it is characterised in that described induction system also includes
One sheath pipe, described first delivery site is inside described sheath pipe.
4. the induction system of left atrial appendage occlusion device as claimed in claim 1, it is characterised in that described induction system also includes
One stopping means, is used for fixing described first delivery section and the second delivery section.
5. the induction system of left atrial appendage occlusion device as claimed in claim 4, it is characterised in that described stopping means includes
Clamping part and a force section, described clamping part, partially or completely through the draw-in groove being positioned in described first delivery section, clamps institute
State the second delivery section.
6. the induction system of left atrial appendage occlusion device as claimed in claim 1, it is characterised in that described induction system also includes
One handle, described handle is positioned at described first delivery section and/or the near-end of described second delivery section, and described handle has one can
Depending on changing mark.
7. the induction system of left atrial appendage occlusion device as claimed in claim 1, it is characterised in that described left atrial appendage occlusion device
Including a Part I and a Part II；One end of described Part I connects described first hub, and the other end connects described the
One end of two parts, the other end of described Part II connects described second hub.
8. the induction system of left atrial appendage occlusion device as claimed in claim 7, it is characterised in that described induction system does not discharges
During described left atrial appendage occlusion device, described Part II is positioned at described Part I.
9. the induction system of left atrial appendage occlusion device as claimed in claim 7, it is characterised in that described Part I and/or
Described Part II arranges some anchoring structures.
10. the induction system of left atrial appendage occlusion device as claimed in claim 2, it is characterised in that the far-end of described first hub
Including a step, when described first hub engages with described second hub, being proximally located on described step of described second hub.
The induction system of 11. left atrial appendage occlusion devices as claimed in claim 10, it is characterised in that the near-end of described first hub
Including a groove, the far-end of described first delivery section is positioned at described groove.
The induction system of 12. left atrial appendage occlusion devices as claimed in claim 10, it is characterised in that described first delivery section
Far-end is horn-like.
The induction system of 13. left atrial appendage occlusion devices as claimed in claim 2, it is characterised in that when described first hub and institute
Stating the second hub when engaging, described first hub and the second hub are connected by external splines internal spline structure or buckle structure connects.
The induction system of 14. left atrial appendage occlusion devices as claimed in claim 1, it is characterised in that described first delivery section with
Described first hub is connected by screw nut structure, external splines internal spline structure connects or buckle structure connects and/or described
Second delivery section is connected by screw nut structure with described second hub, external splines internal spline structure connects or buckle structure connects
Connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620518642.5U CN205758647U (en) | 2016-05-31 | 2016-05-31 | The induction system of left atrial appendage occlusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620518642.5U CN205758647U (en) | 2016-05-31 | 2016-05-31 | The induction system of left atrial appendage occlusion device |
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| CN205758647U true CN205758647U (en) | 2016-12-07 |
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| CN201620518642.5U Withdrawn - After Issue CN205758647U (en) | 2016-05-31 | 2016-05-31 | The induction system of left atrial appendage occlusion device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440760A (en) * | 2016-05-31 | 2017-12-08 | 上海微创医疗器械（集团）有限公司 | The induction system of left atrial appendage occlusion device |
| CN108236479A (en) * | 2016-12-26 | 2018-07-03 | 上海微创医疗器械（集团）有限公司 | Left atrial appendage occlusion system, occluder for left auricle and its conveyer |
| CN108236478A (en) * | 2016-12-26 | 2018-07-03 | 上海微创医疗器械（集团）有限公司 | Occluder for left auricle, pusher and left atrial appendage occlusion system |
| CN108938037A (en) * | 2017-05-27 | 2018-12-07 | 上海微创医疗器械（集团）有限公司 | Occluder for left auricle |
| US11039822B2 (en) | 2016-03-18 | 2021-06-22 | Shanghai Microport Medical (Group) Co., Ltd. | Left atrial appendage closure and delivery system thereof |
-
2016
- 2016-05-31 CN CN201620518642.5U patent/CN205758647U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11039822B2 (en) | 2016-03-18 | 2021-06-22 | Shanghai Microport Medical (Group) Co., Ltd. | Left atrial appendage closure and delivery system thereof |
| CN107440760A (en) * | 2016-05-31 | 2017-12-08 | 上海微创医疗器械（集团）有限公司 | The induction system of left atrial appendage occlusion device |
| CN107440760B (en) * | 2016-05-31 | 2020-06-16 | 上海微创医疗器械（集团）有限公司 | Left atrial appendage occlusion device's conveying system |
| CN108236479A (en) * | 2016-12-26 | 2018-07-03 | 上海微创医疗器械（集团）有限公司 | Left atrial appendage occlusion system, occluder for left auricle and its conveyer |
| CN108236478A (en) * | 2016-12-26 | 2018-07-03 | 上海微创医疗器械（集团）有限公司 | Occluder for left auricle, pusher and left atrial appendage occlusion system |
| CN108236478B (en) * | 2016-12-26 | 2020-07-14 | 上海微创医疗器械（集团）有限公司 | Left auricle plugging device, pusher and left auricle plugging system |
| CN108938037A (en) * | 2017-05-27 | 2018-12-07 | 上海微创医疗器械（集团）有限公司 | Occluder for left auricle |
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Inventor after: Wang Zhen Inventor after: Zhou Yi Inventor after: Yao Yao Inventor after: Huang Haiyong Inventor after: Li Junfei Inventor after: Luo Qiyi Inventor before: Wang Zhen Inventor before: Zhou Yi Inventor before: Yao Yao Inventor before: Huang Haiyong Inventor before: Li Junfei Inventor before: Luo Qiyi |
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