CN208958188U - A kind of plugging device of absorbable heart defect - Google Patents
A kind of plugging device of absorbable heart defect Download PDFInfo
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- CN208958188U CN208958188U CN201721814285.8U CN201721814285U CN208958188U CN 208958188 U CN208958188 U CN 208958188U CN 201721814285 U CN201721814285 U CN 201721814285U CN 208958188 U CN208958188 U CN 208958188U
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- support bar
- plugging device
- fixed device
- absorbable
- heart defect
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Abstract
The utility model provides a kind of plugging device of absorbable heart defect, including connecting rod, and the left end of right support bar, the right end of left support bar are set in connecting rod, and left and right sidesing post can be propped up and be recycled in connecting rod；The right end of right support bar connects right fixed device, and the left end of left support bar connects left fixed device, right disk is equipped between right support bar and right fixed device, and left disk is equipped between left support bar and left fixed device；Locking mechanism is also connected on the right side of left fixed device, locking mechanism and right fixed device are equipped with the locking structure worked in coordination.During plugging device is distracted, left and right sidesing post is gradually increasing from the position of connecting rod, and is intersected, and is propped up automatically, so that can be with automatic centering heart defect in the middle part of plugging device.The utility model increases closure stability in interventional procedure, reduces the generation of plugging device drift condition, improves operation safety, shortens operating time, to provide safer treatment for patient.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of knots of the plugging device of absorbable heart defect
Structure design.
Background technique
In the design of current existing degradable heart defect plugging device, because material is using high molecular polymer
Rather than nickel-titanium alloy material, so being difficult have memory effect, plugging device waist can not be automatically positioned on centering cardiac septum
Defect (hereinafter referred to as heart defect) is easy to happen positional shift for biggish heart defect amplatzer, causes to occur
The risk of complication increases.Meanwhile in the course of surgery, because can not automatic centering, it is higher to the technical requirements of patient, hold very much
Easily occur blocking failure, brings risk to operation.
In conclusion in view of the deficiencies of the prior art, it is accordingly required in particular to it is a kind of can automatic centering heart defect degradable envelope
Stifled device, to solve the problems, such as appeal.
Utility model content
The technical problems to be solved in the utility model is during interventional cardiac procedures, and plugging device is being strutted and discharged
How Cheng Shi avoids causing to block infull problem because of the offset of ductus arteriosus occluder position.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is to provide a kind of absorbable heart defect closure
Device, it is characterised in that: including connecting rod, the left end of right support bar, the right end of left support bar are set in connecting rod, and right support
Bar, left support bar can be strutted and be recycled in connecting rod；The right end of right support bar connects right fixed device, left support bar
Left end connects left fixed device, right disk is equipped between right support bar and right fixed device, between left support bar and left fixed device
Equipped with left disk；Locking mechanism is also connected on the right side of left fixed device, locking mechanism and right fixed device are equipped with the lock worked in coordination
Determine structure.
Preferably, when plugging device is closed, right support bar, left support bar are straight configuration, collectively constitute one with connecting rod
Hollow cylindrical structure.
Preferably, when plugging device struts, right support bar, left support bar are bending state and the connection that intersects is formed certainly
Position portion, locking mechanism and right fixed device cooperation lock, and left and right two disks closure covers heart defect position.
It is highly preferred that the stability for making bit position by oneself is determined by the quantity of plugging device support rod, it can be multiple by being arranged
Support rod increases the stability of centering.
Further, the right support bar, left support bar quantity be 4 or more.
Preferably, the inside of the left and right fixed device and connecting rod is hollow structure.
Preferably, the connecting rod is equipped with multiple notches, the position pair of the notch and right support bar, left support bar
It answers, allows to freely strut and recycle.
Preferably, the right disk, left disk are made of choked flow film.
Preferably, the right fixed device is the hollow cylindrical structure that can be connect with push rod.
Preferably, the push wirerope passes through right fixed device and connect with locking mechanism.
Preferably, the push wirerope and locking mechanism are connected with each other by helical structure.
Preferably, the right fixed device and locking mechanism are realized by buckle structure, stupefied structure or helical structure locks.
Preferably, all structures of plugging device, right fixed device, right support bar, connection structure, left support bar, locking level,
Left fixed device and left and right disk are made of medical degradable material.
It is highly preferred that the medical degradable material includes l-lactic acid, poly-dl-lactide, the friendship of polyglycolide third
Ester, polyester lactone, polyethylene glycol etc.
Preferably, reinforcing ring or reinforcing bar are equipped with by the way of laser welding or adhesive bonding in the connecting rod.
Reinforcing ring or reinforcing bar are for improving connecting rod support force and bonding strength.
Absorbable heart defect amplatzer provided by the utility model is as follows from centering process: when plugging device does not strut
When, plugging device is cylindrical position, and in interventional procedure, when plugging device is placed in correct position, plugging device needs are strutted,
Two disks of left and right need to shrink, and are pulled back left fixed device by pushing wirerope, left support bar starts to be bent, and left disk struts, and then leads to
Push rod is crossed to push right fixed device, right support bar starts to be bent, and right disk struts, and left and right sidesing post is connected with connecting rod
Position is propped up outward, left and right sidesing post intersect it is at an angle to each other, formed positioning position automatic positioning, position position according to branch
The design of frame different length changes corresponding defect size.Left and right fixation is realized by the cooperation of locking mechanism and right fixed device
The closure function of plugging device is realized in the fixation of device.Finally, rotation push wirerope and push rod discharge plugging device respectively.
When plugging device needs to recycle, locking mechanism releases plugging device lock state, is then pulled back right end by push rod
Fixed device, right support bar are fallen after rise, right umbrella cover recycling, the decline of positioning position, and right disk reverts to cylinder-like structure, withdraws sheath
Interior, left support of then pulling back bar, left umbrella cover recycles, and left umbrella cover reverts in cylindric withdrawal sheath, realizes plugging device recycling.
Device provided by the utility model overcomes the deficiencies in the prior art, has waist structure that can be self-positioning, is sealing
During stifled device is distracted, left and right sidesing post is gradually increasing from the position of connecting rod, and is intersected, and has propped up waist automatically,
So that can be with automatic centering heart defect in the middle part of plugging device.In interventional procedure, the closure for increasing plugging device is stablized
Property, the generation of plugging device drift condition is reduced, the safety of operation is improved, shortens the time of operation, to be mentioned for patient
For safer treatment.
Detailed description of the invention
Fig. 1 is that the plugging device of absorbable heart defect provided in this embodiment locks mid-term stereoscopic schematic diagram；
Fig. 2 is stereoscopic schematic diagram when the plugging device of absorbable heart defect provided in this embodiment is shunk；
Fig. 3 is the fully locked stereoscopic schematic diagram of the plugging device of absorbable heart defect provided in this embodiment；(a) internal
Structure chart；(b) external structure；
Fig. 4 is that push wirerope and locking mechanism cooperate stereoscopic schematic diagram；
Fig. 5 is the structural schematic diagram of locking mechanism and right fixed device cooperation；(a) snap-lock；(b) stupefied locking；(c) spiral shell
Rotation locking；
Wherein: the right fixed device of 1-；2- right support bar；3- makes bit position by oneself；4- connecting rod；5- pushes wirerope；The left branch of 6-
Strut；7- locking mechanism；The left fixed device of 8-；9- choked flow film；10- push rod；The left disk of plugging device is placed in heart atrium sinistrum or a left side
Intra-ventricle, the right disk of plugging device are placed in heart atrium dextrum or right ventricle.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.
As shown in FIG. 1 to 3, the plugging device of absorbable heart defect provided in this embodiment is by right fixed device 1, Zuo Gu
Determine device 8, right support bar 2, left support bar 6, locking mechanism 7, connecting rod 4, push wirerope 5, choked flow film 9 etc. to constitute.
Wherein, it can be mainly made of from center support system right support bar 2, left support bar 6 and connecting rod 4, a left side for right support bar 2
End, left support bar 6 right end be set in connecting rod 4, right support bar 2, left support bar 6 can be strutted and be returned in connecting rod 4
It receives, realizes strutting and being closed for plugging device, guarantee that plugging device normally uses function.
The right end of right support bar 2 connects right fixed device 1, and the left end of left support bar 6 connects left fixed device 8, right support
Right disk is housed between bar 2 and right fixed device 1, left disk is housed between left support bar 6 and left fixed device 8.Right disk, left disk by
Choked flow film 9 is constituted, and choked flow film 9 is made of biodegradable material.
Such as Fig. 2, when plugging device is closed, right support bar 2, left support bar 6 are straight configuration, are collectively constituted with connecting rod 4
A kind of hollow cylindrical structure.The hollow position of left end disposes locking mechanism 7, locking mechanism 7 and a left side inside hollow cylinder
Fixed device 8 connects, and locking mechanism 7 matches the locking, it can be achieved that the two with right fixed 1 structure of device, and push wirerope 5 passes through
Right fixed device 1 is connect with locking mechanism 7.
As shown in figure 3, right support bar 2, left support bar 6 are bending state, locking mechanism 7 and the right side when plugging device struts
The fixed cooperation of device 1 locking, the locking of the softened state of plugging device is realized by lock motion.The left and right two disks closure of plugging device,
Cover heart defect position.
As shown in figure 4, push wirerope 5 and locking mechanism 7 are connected with each other by helical structure.
As shown in figure 5, right fixed device 1 and locking mechanism 7 can use different locking structures, such as buckle structure, stupefied
Structure, helical structure etc. are made plugging device keep lock state, are fixed on by the locking of right fixed device 1 and locking mechanism 7
Heart defect position.
It should be noted that right support bar 2, left support bar 6 divided by the shape of upper straight rod outside, or other shapes,
As long as meeting support rod effectively can strut and fasten, fastening part realizes that the aid effect of plugging device can be applicable in.
It is made in addition, all structures of plugging device are all made of medical degradable material through laser cutting；Connecting rod 4 can adopt
Reinforcing ring or reinforcing bar are installed additional with the mode that laser welding or adhesive are bonded, to material and work when meeting medical instrument manufacture
The requirement of skill.
The plugging device of absorbable heart defect provided in this embodiment is as follows from centering process: not propping up to come when plugging device
When, plugging device is cylindrical position, and in interventional procedure, when plugging device is placed in correct position, plugging device needs are strutted,
Two disks of left and right need to shrink, and are pulled back left fixed device 8 by pushing wirerope 5, left support bar 6 starts to be bent, and left disk struts, then
Right fixed device 1 is pushed by push rod 10, right support bar 2 starts to be bent, and right disk struts, left and right sidesing post and connecting rod 4
The position being connected is propped up outward, left and right sidesing post intersect it is at an angle to each other, formed positioning position 3 automatic positioning, positioning
Position changes corresponding defect size according to the design of bracket different length.It is real by the cooperation of locking mechanism 7 and right fixed device 1
The fixation of existing left and right fixed device, realizes the closure function of plugging device.Finally, rotation push wirerope 5 and push rod 10 are released respectively
Put plugging device.
When plugging device needs to recycle, locking mechanism 7 releases plugging device lock state, is then pulled back the right side by push rod 10
Fixed device 1 is held, right support bar is fallen after rise, right umbrella cover recycling, the decline of positioning position, and right disk reverts to cylinder-like structure, withdraws sheath
In pipe, left support of then pulling back bar 6, left umbrella cover is recycled, and left umbrella cover reverts in cylindric withdrawal sheath, realizes that plugging device returns
It receives.
In conclusion the utility model can utilize right support bar 2, left branch from the design of centering plugging device waist structure
Strut 6, which intersects, props up waist, is automatically positioned defect for plugging device, can increase plugging device in interventional procedure
The stability of closure reduces ductus arteriosus occluder positional shift, blocks infull probability, improves the safety in interventional procedure
Property, reduce operating time, provide and safer efficiently treat for patient.
The above, the only preferred embodiment of the utility model, it is in any form and substantive not to the utility model
On limitation, it is noted that for those skilled in the art, in the premise for not departing from the utility model method
Under, several improvement and supplement can be also made, these are improved and supplement also should be regarded as the protection scope of the utility model.It is all ripe
Professional and technical personnel is known, in the case where not departing from the spirit and scope of the utility model, when using disclosed above
Technology contents and the equivalent variations of a little variation, modification and evolution made, be the equivalent embodiment of the utility model；Together
When, all substantial technologicals according to the utility model to the variation, modification and evolution of any equivalent variations made by above-described embodiment,
In the range of still falling within the technical solution of the utility model.
Claims (10)
1. a kind of plugging device of absorbable heart defect, it is characterised in that: including connecting rod (4), the left end of right support bar (2),
The right end of left support bar (6) is set on connecting rod (4), and right support bar (2), left support bar (6) can be in connecting rod (4)
On prop up and recycle；The right end of right support bar (2) connects right fixed device (1), the left fixed dress of the left end connection of left support bar (6)
It sets (8), right disk is equipped between right support bar (2) and right fixed device (1), is set between left support bar (6) and left fixed device (8)
There is left disk；It is also connected with locking mechanism (7) on the right side of left fixed device (8), locking mechanism (7) and right fixed device (1) are equipped with mutually
The locking structure matched.
2. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: right when plugging device is closed
Support rod (2), left support bar (6) are straight configuration, collectively constitute a hollow cylindrical structure with connecting rod (4).
3. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: right when plugging device struts
Support rod (2), left support bar (6) are bending state and the connection that intersects forms and makes bit position by oneself, locking mechanism (7) and the right side
Fixed device (1) cooperation locking, left and right two disks closure.
4. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: the right disk, Zuo Panjun
It is made of choked flow film (9).
5. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: the right fixed device
(1) hollow cylindrical structure for that can be connect with push rod (10).
6. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: push wirerope (5) passes through
Right fixed device (1) connect with locking mechanism (7).
7. a kind of plugging device of absorbable heart defect as claimed in claim 6, it is characterised in that: the push wirerope (5)
It is connected with each other with locking mechanism (7) by helical structure.
8. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: the right fixed device
(1) it is realized and is locked by buckle structure, stupefied structure or helical structure with locking mechanism (7).
9. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: the right fixed device
(1), right support bar (2), connection structure (4), left support bar (6), locking mechanism (7), left fixed device (8) and left and right disk are equal
It is made of medical degradable material.
10. a kind of plugging device of absorbable heart defect as described in claim 1, it is characterised in that: on the connecting rod (4)
Reinforcing ring or reinforcing bar are equipped with by the way of laser welding or adhesive bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814285.8U CN208958188U (en) | 2017-12-22 | 2017-12-22 | A kind of plugging device of absorbable heart defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814285.8U CN208958188U (en) | 2017-12-22 | 2017-12-22 | A kind of plugging device of absorbable heart defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958188U true CN208958188U (en) | 2019-06-11 |
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ID=66746383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721814285.8U Active CN208958188U (en) | 2017-12-22 | 2017-12-22 | A kind of plugging device of absorbable heart defect |
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| CN (1) | CN208958188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974331A (en) * | 2019-12-16 | 2020-04-10 | 上海长海医院 | Left auricle occluder with occlusion surface made of absorbable material |
| CN114636044A (en) * | 2022-03-21 | 2022-06-17 | 北京天兴燃气工程有限公司 | Self-guide flow gas pipeline plugging device |
-
2017
- 2017-12-22 CN CN201721814285.8U patent/CN208958188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974331A (en) * | 2019-12-16 | 2020-04-10 | 上海长海医院 | Left auricle occluder with occlusion surface made of absorbable material |
| CN114636044A (en) * | 2022-03-21 | 2022-06-17 | 北京天兴燃气工程有限公司 | Self-guide flow gas pipeline plugging device |
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