CN206745406U - A kind of occluder for left auricle induction system - Google Patents
A kind of occluder for left auricle induction system Download PDFInfo
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- CN206745406U CN206745406U CN201621329207.4U CN201621329207U CN206745406U CN 206745406 U CN206745406 U CN 206745406U CN 201621329207 U CN201621329207 U CN 201621329207U CN 206745406 U CN206745406 U CN 206745406U
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- occluder
- loader
- delivery sheath
- left auricle
- claw
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Abstract
The utility model discloses a kind of occluder for left auricle induction system, including：Delivery sheath, expander, pusher and loader.Pusher is made up of push handle, push wirerope and claw, and push wirerope runs through the inside into loader and delivery sheath, and is stretched out from the second end of delivery sheath；Claw is arranged at the second end of push wirerope, and push handle has knob and bracing wire, claw can be realized and adjusted.The retractable state of claw is can adjust by pushing handle, so as to which the capture and release to occluder for left auricle connector can be realized, coordinate delivery sheath, loader to complete plugging device to load and convey, occluder for left auricle is captured if necessary and carries out position adjustments or plugging device recovery replacing, can not carry out position adjustments again and can not capture when needing to recall plugging device to recall after solving the problems, such as existing pusher release plugging device.
Description
Technical field
It the utility model is related to technical field of medical instruments, more particularly to a kind of occluder for left auricle induction system.
Background technology
Recently as the progress of medical science, the research on atrial fibrillation embolism is increasingly paid attention to by doctor and sufferer, its
An important factor for middle left auricle of heart is the formation of patients with atrial fibrillation embolism, in early days by surgical sealing left auricle of heart, because its wound is big etc.
Reason, fail effectively to be promoted.Percutaneous left atrial appendage occlusion art technology is progressively ripe in recent years, and its wound is small and prevention embolism is imitated
Fruit is good, and clinical practice obtains Rapid Popularization.
The existing plugging device of existing market is similar to the induction system of heart defect amplatzer, and plugging device near-end, which is fixed to emit, to be had
Helicitic texture, the push wirerope distal end in induction system has thinks matching thread structure with it.By conveying the guide of sheath, will push
Wirerope distal threads back out locking cap, so as to reach the purpose of release plugging device.But such a thread connecting mode discharges plugging device
Afterwards once needing to adjust the position of plugging device, push rod can not be again coupled to plugging device in heart.Other left atrial appendage occlusion art
Afterwards, occur ill symptomses if desired for replacing or later stage and need to withdraw from occluder for left auricle, helicitic texture pusher is equally because of nothing
Method is again coupled to plugging device near-end locking cap, and chest may be needed open to take out when serious.
Therefore, those skilled in the art is directed to developing a kind of occluder for left auricle induction system, to overcome tradition defeated
Plugging device position can not be adjusted after sending system release occluder for left auricle, or adverse reaction can not be to plugging device after plugging device installation
The problem of recalling replacing.
The content of the invention
In view of the drawbacks described above of prior art, technical problem to be solved in the utility model there is provided a kind of left heart
Ear plugging device induction system, to overcome conventional delivery systems can not adjust plugging device position, or envelope after discharging occluder for left auricle
The problem of adverse reaction can not recall replacing to plugging device after stifled device installation.
To achieve the above object, the utility model provides a kind of occluder for left auricle induction system, including delivery sheath,
Expander, pusher, loader；
Wherein, delivery sheath includes delivery sheath body, delivery sheath connector, the first extension tube and the first threeway hemostasis
Valve；First threeway haemostatic valve connects the side shoot of delivery sheath connector by the first extension tube, and is formed with delivery sheath body
Path；Expander includes expander body and expander joint；Expander joint is arranged at the first end of expander, expander
It is arranged at by expander joint inside delivery sheath, the second end of expander stretches out delivery sheath；Loader includes loading
Device body, loader connector, the second extension tube and the second threeway haemostatic valve；Loader passes through delivery sheath connector and conveying
Sheath connects；Second threeway haemostatic valve connects the side shoot of loader connector by the second extension tube, and with loader body, defeated
Sheath is sent to form path；Pusher includes push handle, push wirerope and claw；Push wirerope runs through into loader and conveying
The inside of sheath, and stretched out from the second end of delivery sheath；Claw is arranged at the second end of push wirerope.
Further, delivery sheath connector also includes the first adjusting knob, changes conveying sheath by the first adjusting knob
The internal diameter of pipe connections, various sizes of loader is set to pass through delivery sheath connector.
Further, loader connector also includes the second adjusting knob, and changing loader by the second adjusting knob connects
The internal diameter of fitting, various sizes of pusher is set to pass through loader connector.
Further, push wirerope is internally provided with bracing wire, and push handle is provided with knob, the first end and card of bracing wire
Pawl is connected, and the second end of bracing wire is connected with pushing the knob of handle.
Further, the quantity of the quantity of claw, bracing wire and knob is identical, and the quantity of claw is 2-10, the number of bracing wire
Measure as 2-10, the quantity of knob is 2-10.
Further, claw structure can be one kind in reverse-hook shape, the crocodile degree of lip-rounding, mouse tooth form.
Further, claw is arranged to fix occluder for left auricle, to be in initial shape when the push handle of pusher
During state, claw is in diastole state, and the locking cap of occluder for left auricle is positioned in claw, the rotation for the push handle that turns clockwise
Button, adjust claw so that claw, which shrinks, clamps the locking cap of occluder for left auricle.
Further, loader is provided for loading occluder for left auricle, adjusts loader connector, makes push wirerope
Moved freely in loader, push handle is proximally drawn, occluder for left auricle drawing-off is entered in loader body.
Further, the connection of loader and delivery sheath is arranged to adjust loader connector so that push wirerope is not
It can be moved freely in loader, then adjust delivery sheath connector, the loader body of occluder for left auricle will be mounted with
The second end stretches into delivery sheath, until loader body the second end aligns with delivery sheath first end, regulation conveying sheath
Pipe connections so that locking loader.
Further, occluder for left auricle is discharged into target location to be arranged to, adjusts loader connector, steel will be pushed
Cable is promoted to the second end of delivery sheath, and behind the off-position for reaching occluder for left auricle, occluder for left auricle is pushed out
Delivery sheath, regulation push handle knob arrive original state, release occluder for left auricle locking cap so that occluder for left auricle from
Claw is discharged into up to target location.
Technique effect
The occluder for left auricle induction system of the utility model patent is matched somebody with somebody using delivery sheath with expander is combined into heart
Shedding motion, the conveying combination device of composition occluder for left auricle is sequentially connected using delivery sheath, loader and pusher,
The PCI of occluder for left auricle can be achieved, the function such as complete the loading of occluder for left auricle, convey, strut and discharge, can
Effectively and rapidly complete the PCI of occluder for left auricle.Claw structure on pusher has regulation plugging device position simultaneously
The function with plugging device capture occluder for left auricle is put, clinic is solved and difficult progress position tune after occluder for left auricle release occurs
Save, or ill symptomses occur not recalling replacing occluder for left auricle problem, while being brought convenience for doctor, also controlled for patient
Treat and safer efficiently new treatment means are provided.
Design, concrete structure and caused technique effect of the present utility model are made furtherly below with reference to accompanying drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Brief description of the drawings
Fig. 1 is a kind of delivery sheath of occluder for left auricle induction system of a preferred embodiment of the present utility model
Structural representation.
Fig. 2 is a kind of knot of the expander of occluder for left auricle induction system of a preferred embodiment of the present utility model
Structure schematic diagram.
Fig. 3 is a kind of knot of the loader of occluder for left auricle induction system of a preferred embodiment of the present utility model
Structure schematic diagram.
Fig. 4 is a kind of pusher of occluder for left auricle induction system of a preferred embodiment of the present utility model
Structural representation.
Fig. 5 is a kind of assembling plugging device of occluder for left auricle induction system of a preferred embodiment of the present utility model
Schematic diagram.
A kind of occluder for left auricle of occluder for left auricle induction system of Fig. 6 preferred embodiment of the present utility model
Schematic diagram after release.
Embodiment
As shown in figure 1, delivery sheath 100 includes delivery sheath body 101, delivery sheath connector 104, the first extension tube
103 and the first threeway haemostatic valve 102.Delivery sheath connector 104 has the first adjusting knob 105, passes through the first adjusting knob
105 can realize locking or release expander or loader body.First threeway haemostatic valve 102 is connected by extension tube 103 and conveyed
Sheath pipe connections side shoot, form path.
As shown in Fig. 2 expander 200 includes expander body 202 and expander joint 201.Expander joint 201 is set
In the first end of expander 200, expander 200 is assemblied in inside delivery sheath 100 by expander joint 201, expander
The shaping of body the second end tip, heart shedding motion, the second end of expander 200 are assembled to form in delivery sheath and expander
Delivery sheath 100 is stretched out, seal wire is passed through in expander in intervention operation, the smooth delivery sheath 100 that guides reaches intracardiac specific bit
Put.
As shown in figure 3, loader 300 includes loader body 301, loader connector 304, the and of the second extension tube 303
Second threeway haemostatic valve 302.Loader 300 is mainly used in PCI and loads occluder for left auricle 500.Loader connector has
There is the second adjusting knob 305, pusher can be made to pass through loader 300.Second adjusting knob 305 can pin pusher,
Prevent it from occurring significantly to rotate in surgical procedure, while by the second adjusting knob 305 pine can be adjusted to make pusher 400 can
Rotated in loader, to adjust the position of pusher 400 in art.
Formed as shown in figure 4, pusher 400 includes push handle 402, push wirerope 401 and claw 403.Push steel
There is bracing wire 404 corresponding with claw quantity inside cable 401, each claw 403 connects a bracing wire 404, and is connected to push
Inside handle 402.There is knob 405 corresponding with claw quantity on push handle 402, connect every bracing wire 404 respectively.Knob
405 original states, in the raw, claw is in expansion state, as shown in Figure 4 for bracing wire.Knob 405 turns clockwise, and draws
Line 404 is gradually in tensioned state, and claw 403 gradually tapers up with the regulation of knob 405, can grab occluder for left auricle locking cap
Tightly.Knob is then thought that original state rotates by intervention operation release occluder for left auricle, so as to complete to discharge occluder for left auricle
Operation.
As shown in figure 5, induction system combining structure schematic diagram.Expander 200 stretches into delivery sheath 100, expander 200
The second end stretches out delivery sheath 100, and delivery sheath 100 reaches intracardiac specified location under the guide of seal wire.Withdraw from expander
200.Pusher claw 403 and push wirerope 401 are passed through into loader connector 304 from the near-end of loader 300, and from loading
The body distal end of device 300 stretches out.Second adjusting knob 305 of pico- precession loader connector, prevent that pushing wirerope 401 is loading
Device 300 rotates.Occluder for left auricle near-end locking cap 501 is placed in the claw 403 of diastole state, turn clockwise push hand
Three knobs 405 of handle, the strength that stretches tight push bracing wire 404 in wirerope 401, and regulation distal end claw 403 is contracted to claw 403 and seals left auricle of heart
Stifled device locking cap 501 clamps.Loose loader connector 304 is adjusted, push wirerope 401 is moved freely in loader 300, will
Push handle 402 to draw toward near-end, and firmly by occluder for left auricle 500, firmly drawing-off enters loader body 301, completes left auricle of heart
The loading of plugging device 500.After the completion of loading finely tune loader connector the second adjusting knob 305, prevent push wirerope 401 from
It is reloading with freely rotating in device 305.The first adjusting knob 105 of loose delivery sheath connector is adjusted, left atrial appendage occlusion will be mounted with
The second end of the loader body 301 of device 500 stretches into delivery sheath connector 104, to the distal end of loader body 301 and conveying
The first end of sheath 101 aligns, precession delivery sheath connector knob 105, locks loader 300, completes loader 300 and defeated
Send the connection of sheath 100.Loose loader connector knob 304 is finely tuned, push wirerope 400 is promoted into delivery sheath 101, such as
Shown in Fig. 5.When occluder for left auricle 500 is close to 101 the second end of delivery sheath, push wirerope 400 is continued to press on.Reach left
Behind atrial appendage occlusion device off-position, occluder for left auricle 500 is pushed out delivery sheath, and regulation push handle knob 405 is to initially
Position, release occluder for left auricle locking cap 501, occluder for left auricle 500 is discharged into up to target location from claw 403.Such as Fig. 6
It is shown.
Such as need to adjust the position of occluder for left auricle 500, claw 403 can be pushed to the release position of occluder for left auricle 500
Put, different degrees of regulation push handle knob 405, control claw 403 shrinks, and reaches regulation occluder for left auricle 500 position
Purpose.Occluder for left auricle 500 such as occurs off size suitable or ill symptomses occurs after discharging, such as need to change or recall the left heart
Ear plugging device 500, occluder for left auricle 500 can be caught by adjusting push handle 402, be reloaded into delivery sheath
100, the occluder for left auricle 500 discharged is recalled in drawing-off.
As shown in Figure 5,6, the occluder for left auricle induction system of the present embodiment include delivery sheath 100, expander 200,
Pusher 400 and loader 300, wherein, delivery sheath 100 can convey with expander 200 with heart shedding motion is combined into
Sheath 100 can be sequentially connected the conveying combination device of composition heart defect amplatzer with loader 200 and pusher 400.It is defeated
System is sent to be used to, through intubation intervention left atrial appendage occlusion art, occluder for left auricle 500 be loaded, convey, discharged, and can be upon discharge
Need to complete position adjustments when adjusting plugging device position, pass through tune as that need to withdraw from and change occluder for left auricle for special illness
Seizure of the catching realization to occluder for left auricle is saved, plugging device is completed and recalls or change.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member makes many modifications and variations without creative work can according to design of the present utility model.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of occluder for left auricle induction system, it is characterised in that including delivery sheath, expander, pusher, loading
Device；
Wherein, the delivery sheath includes delivery sheath body, delivery sheath connector, the first extension tube and the first threeway hemostasis
Valve；The first threeway haemostatic valve connects the side shoot of the delivery sheath connector by first extension tube, and with it is described
Delivery sheath body forms path；
The expander includes expander body and expander joint；The expander joint is arranged at the first of the expander
End, the expander are arranged inside the delivery sheath by the expander joint, the second end of the expander
Stretch out delivery sheath；
The loader includes loader body, loader connector, the second extension tube and the second threeway haemostatic valve；The loading
Device is connected by the delivery sheath connector with the delivery sheath；The second threeway haemostatic valve extends by described second
Pipe connects the side shoot of the loader connector, and forms path with the loader body, the delivery sheath；
The pusher includes push handle, push wirerope and claw；The push wirerope runs through into the loader and defeated
The inside of sheath is sent, and is stretched out from the second end of the delivery sheath；The claw is arranged at the second of the push wirerope
End.
A kind of 2. occluder for left auricle induction system as claimed in claim 1, it is characterised in that the delivery sheath connector
Also include the first adjusting knob, change the internal diameter of the delivery sheath connector by first adjusting knob, make different chis
The very little loader passes through the delivery sheath connector.
3. a kind of occluder for left auricle induction system as claimed in claim 1, it is characterised in that the loader connector is also
Including the second adjusting knob, change the internal diameter of the loader connector by the second adjusting knob, make various sizes of described
Pusher passes through the loader connector.
4. a kind of occluder for left auricle induction system as claimed in claim 1, it is characterised in that set inside the push wirerope
Bracing wire is equipped with, the push handle is provided with knob, and the first end of the bracing wire is connected with the claw, the bracing wire
The second end is connected with the knob of the push handle.
5. a kind of occluder for left auricle induction system as claimed in claim 4, it is characterised in that the quantity of the claw, institute
State that bracing wire is identical with the quantity of the knob, the quantity of the claw is 2-10, and the quantity of the bracing wire is 2-10, described
The quantity of knob is 2-10.
6. a kind of occluder for left auricle induction system as claimed in claim 5, it is characterised in that claw structure can be overhead kick
Shape.
7. a kind of occluder for left auricle induction system as claimed in claim 6, it is characterised in that the claw is arranged to fixed
Occluder for left auricle, for when the push handle of the pusher is in original state, the claw is in diastole state,
The locking cap of the occluder for left auricle is positioned in the claw, the knob for the push handle that turns clockwise, regulation
Claw so that claw, which shrinks, clamps the locking cap of the occluder for left auricle.
8. a kind of occluder for left auricle induction system as claimed in claim 7, it is characterised in that the loader is arranged to use
In loading occluder for left auricle, the loader connector is adjusted, the push wirerope is moved freely in the loader,
The push handle is proximally drawn, the occluder for left auricle drawing-off is entered in the loader body.
A kind of 9. occluder for left auricle induction system as claimed in claim 8, it is characterised in that the loader and described defeated
The connection of sheath is sent to be arranged to adjust the loader connector so that the push wirerope can not be in the loader freely
It is mobile, then the delivery sheath connector is adjusted, the second of the loader body of the occluder for left auricle will be mounted with
The delivery sheath is stretched into end, until the loader body the second end aligns with delivery sheath first end, adjusts institute
State delivery sheath connector so that lock the loader.
10. a kind of occluder for left auricle induction system as claimed in claim 9, it is characterised in that by the left atrial appendage occlusion
Device is discharged into target location and is arranged to, and adjusts the loader connector, by the push wirerope to the of the delivery sheath
Two ends are promoted, and behind the off-position for reaching the occluder for left auricle, the occluder for left auricle is pushed out into the conveying
Sheath, regulation push handle knob discharge the occluder for left auricle locking cap so that the left atrial appendage occlusion to original state
Device is discharged into up to target location from the claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329207.4U CN206745406U (en) | 2016-12-06 | 2016-12-06 | A kind of occluder for left auricle induction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329207.4U CN206745406U (en) | 2016-12-06 | 2016-12-06 | A kind of occluder for left auricle induction system |
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| Publication Number | Publication Date |
|---|---|
| CN206745406U true CN206745406U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329207.4U Active CN206745406U (en) | 2016-12-06 | 2016-12-06 | A kind of occluder for left auricle induction system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618664A (en) * | 2016-12-06 | 2017-05-10 | 上海心玮医疗科技有限公司 | Left auricle closure device delivery system |
| WO2020134092A1 (en) * | 2018-12-24 | 2020-07-02 | 杭州唯强医疗科技有限公司 | Hemostatic valve, sheath, and catheter sheath assembly |
| WO2020177692A1 (en) * | 2018-11-02 | 2020-09-10 | 张国新 | Blocking stent, implantation device thereof and implantation method therefor |
-
2016
- 2016-12-06 CN CN201621329207.4U patent/CN206745406U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618664A (en) * | 2016-12-06 | 2017-05-10 | 上海心玮医疗科技有限公司 | Left auricle closure device delivery system |
| 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 |
| WO2020177692A1 (en) * | 2018-11-02 | 2020-09-10 | 张国新 | Blocking stent, implantation device thereof and implantation method therefor |
| WO2020134092A1 (en) * | 2018-12-24 | 2020-07-02 | 杭州唯强医疗科技有限公司 | Hemostatic valve, sheath, and catheter sheath assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | "change of name, title or address" |
Address after: 201201 Room 201, building 4, No. 590, Ruiqing Road, Zhangjiang High Tech Industry East District, Pudong New Area, Shanghai Patentee after: Shanghai Xinwei Medical Technology Co.,Ltd. Address before: Room 503, 5 / F, building 6, No. 528, Ruiqing Road, Zhangjiang hi tech industry east district, Pudong New Area, Shanghai 201201 Patentee before: SHANGHAI XINWEI MEDICAL TECHNOLOGY Co.,Ltd. |