CN205322548U - Carry aortic valve valve device through pipe - Google Patents
Carry aortic valve valve device through pipe Download PDFInfo
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- CN205322548U CN205322548U CN201620032886.2U CN201620032886U CN205322548U CN 205322548 U CN205322548 U CN 205322548U CN 201620032886 U CN201620032886 U CN 201620032886U CN 205322548 U CN205322548 U CN 205322548U
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- support framework
- described support
- valve device
- aortic valve
- air
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Abstract
The utility model discloses an aortic valve valve device through the pipe transport, aortic valve valve device includes: braced frame, fix the inboard lamella leaf of braced frame mid portion, and follow braced frame inboard peripheral fixed and with lamella leaf stationary shirt rim, wherein, braced frame's upper end forms the last horn mouth structure that is three lamella forms, it has and is used for to go up horn mouth structure end the three circular connection claw of braced frame's loading, braced frame there is the feeler structure of passing through to block lamella ring assistance -localization real -time of outside expansion in the mid portion outside, there is the lower horn mouth structure that is used for reducing the outside expansion of lamella week hourglass braced frame's bottom.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of aortic valve valve device through conduit conveying。
Background technology
Along with increasing the weight of of aged tendency of population, senile valvular heart disease and the valve pathological changes caused after coronary heart disease, myocardial infarction are also increasingly common。Surgical operation and the operative treatment such as Prosthetic valve replacement or valve forming are the radical cure methods of valvular heart disease, but for some advanced ages, multiple complication or the patient having surgery open chest surgery history, the mortality rate of surgery open chest surgery is significantly high。In recent years, along with the progress of interventional therapeutic technique, through this epoch-making technology of conduit artificial valve, intervention operation is pushed to technology summit, and has attempted all deficiencies solving surgery valve replacement。2002, the success that first case is performed the operation through conduit artificial valve replacement, indicate that this revolutionary interventional medicine technology has actually entered feasibility stage, through the development of 10 years, had more than 10 ten thousand people by this reconstruction cardiac function, it is thus achieved that new life。
But existing aortic valve valve device or recovery can be discharged, but position inaccurate；Or accurate positioning but can not reclaim；Or recovery and accurate positioning can be discharged, but indication is limited。
Utility model content
The purpose of this utility model is in that to provide a kind of aortic valve valve device through conduit conveying, for implantation in the original position aortic valve causing pathological changes because of aortic stenosis, in order to the problem solving aortic valve valve device accurate positioning；Further, solve to adapt to the problem of various disease conditions, such as diseases such as independent aortic stenosis or incompetences。
This utility model provides a kind of aortic valve valve device through conduit conveying, and described aortic valve valve device includes: support framework；It is fixed on the leaflet inside described support framework mid portion；And fix and the shirt rim fixing with described leaflet along described support framework inner peripheral；Wherein, the upper end of described support framework forms the upper bell-mouth structure of air in three lobed formulas；Bell-mouth structure of air end has that three of the loading for described support framework are circular connects pawls on described；The feeler structure by blocking annulus auxiliary positioning expanded outwardly is had outside the described mid portion of described support framework；There is the lower bell-mouth structure of air expanded outwardly for reducing perivalvular leakage the bottom of described support framework。
Selectively, described support framework is nickel-titanium alloy material；Described mid portion is vertical section, and the extent of opening of described lower bell-mouth structure of air is less than the extent of opening of described upper bell-mouth structure of air。
Selectively, described support framework is the network that the grid cell assumed diamond in shape is constituted；And respectively 1 ° to 15 ° of the inclination angle of the central axis of the end described support framework of deviation of described upper bell-mouth structure of air and lower bell-mouth structure of air。
Selectively, the described circular center connecting pawl be circular or square through hole or without hole shape, described circular connection pawl is connected by short connecting rod with upper bell-mouth structure of air。
Selectively, described feeler structure is upwards expanded, and described feeler structure is uniformly distributed in described support framework circumferencial direction。Preferably, the feeler number of structures of described support framework is 3 to 9。
Preferably, the external diameter of a circle of the feeler structure of described support framework is more than mid portion diameter 3mm to the 9mm of described support framework。
The lower bell-mouth structure of air of described support framework can be the straight bell-mouth structure of air in outside micro-expansion。
Selectively, the mid portion of described support framework is connected to each other by short connecting rod with the upper bell-mouth structure of air of described support framework。Selectively, described short connecting rod length is 1.5mm to 4mm, and width is 0.25mm to 1mm。
Selectively, the short connecting rod adopting left and right indent between the adjacent described grid cell of described support framework connects。Selectively, the minimum widith of the short connecting rod of described left and right indent is 0.25mm to 0.5mm。
Selectively, the short connecting rod of described left and right indent is the concave inward structure that formed of two circular arcs in left and right or a bit of straightway adds the concave inward structure that left and right circular arc is formed。
Selectively, the material of described leaflet is Cor Sus domestica bag, bovine pericardium, Cor Equi bag or macromolecular material politef；The material of described shirt rim is Cor Sus domestica bag, bovine pericardium, Cor Equi bag, macromolecular material politef or woven dacron。
Selectively, the feeler structure of described support framework is concave inward structure with the bottom of described support framework。
Selectively, described concave inward structure length is 1mm to 8mm。
Selectively, the diameter of described concave inward structure is consistent with the diameter of described support framework mid portion。
Selectively, described lower bell-mouth structure of air height is 3mm to 8mm, and its maximum gauge is more than described concave inward structure 3mm to 6mm。
The utility model has the advantages that, be arranged to three circular connection pawls of bell-mouth structure of air end by the framework upper end that supports at aortic valve valve, it is achieved that the loading of aortic valve valve device and release；The feeler structure of outside micro-expansion state is had, it is achieved that being accurately positioned of aortic valve valve device by supporting the mid portion of framework；By supporting the straight bell-mouth structure of air of framework bottom, decrease perivalvular leakage；So that operation process is more safe and reliable。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of aortic valve valve device of the present utility model；
Fig. 2 is the expansion schematic diagram of a kind of aortic valve valve device of the present utility model；
Fig. 3 is that aortic valve valve device of the present utility model loads the schematic diagram to induction system；
Fig. 4 is the schematic diagram of aortic valve valve device feeler structure release of the present utility model；
Fig. 5 is aortic valve valve device feeler structure of the present utility model and the schematic diagram supporting the release of framework bottom；
Fig. 6 is that aortic valve valve device of the present utility model discharges schematic diagram completely；
Fig. 7 is that aortic valve valve device of the present utility model positions schematic diagram in cardiac position feeler structure；
Fig. 8 is that aortic valve valve device of the present utility model in cardiac position feeler structure and supports location, framework bottom schematic diagram；
Fig. 9 is that aortic valve valve device of the present utility model discharges schematic diagram completely at cardiac position；
Detailed description of the invention
A kind of aortic valve valve device through conduit conveying of the present utility model is for implantation in the original position aortic valve causing pathological changes because of aortic stenosis, in order to the problem solving aortic valve valve device accurate positioning；Further, solve to adapt to the problem of various disease conditions, such as diseases such as independent aortic stenosis or incompetences。
Below in conjunction with accompanying drawing, this utility model embodiment is described in further detail。
A kind of aortic valve valve device 100 as shown in Fig. 1 to Fig. 2, for implantation in the original position aortic valve causing pathological changes because of aortic stenosis, including: support framework, it is fixed on the leaflet 104 inside described support framework mid portion, and fixes along described support framework inner peripheral and the shirt rim 102 fixing with described leaflet。Furtherly, shirt rim 102 all around becomes a circle along supporting framework, and fixes by suture；Leaflet 104 is three, is sewn in support framework mid portion stitching fixing with shirt rim 102。
Described support framework includes: the upper bell-mouth structure of air 105 in three lobed formulas that the upper end of described support framework is formed；Bell-mouth structure of air end has that three of the loading for described support framework are circular connects pawls 106 on described；The feeler structure 103 by blocking annulus auxiliary positioning expanded outwardly is had outside the described mid portion of described support framework；There is the lower bell-mouth structure of air 101 expanded outwardly for reducing perivalvular leakage the bottom of described support framework。(referring to Fig. 1)
The material of described support framework can be memorial alloy, for instance for nickel-titanium alloy material。
Described mid portion is vertical section, and the extent of opening of described lower bell-mouth structure of air 101 is less than the extent of opening of described upper bell-mouth structure of air 105。
Described support framework is the network that the grid cell assumed diamond in shape is constituted；The short connecting rod adopting left and right indent between the adjacent described grid cell of described support framework connects。Selectively, the minimum widith of the short connecting rod of described left and right indent is 0.25mm to 0.5mm。Selectively, the short connecting rod of described left and right indent is the concave inward structure that formed of two semicircles in left and right or a bit of straightway adds the concave inward structure that left and right circular arc is formed。
The end of described upper bell-mouth structure of air and lower bell-mouth structure of air deviates respectively 1 ° to 15 ° of the inclination angle of the central axis of described support framework。Lower bell-mouth structure of air 101 and the mid portion supporting framework seamlessly transit；The mid portion supporting framework seamlessly transits with upper bell-mouth structure of air 105；The mid portion supporting framework is connected (refer to Fig. 2) by short connecting rod 107 with upper bell-mouth structure of air 105, and described short connecting rod length is 1.5mm to 4mm, and width is 0.25mm to 1mm。Support and between the grid cell assumed diamond in shape of framework, adopt short connecting rod 108 to connect (refer to Fig. 2)；Upper bell-mouth structure of air 105 mid portion assumes diamond in shape expansion, and upper bell-mouth structure of air 105 is uniformly distributed in support framework surrounding；The circular pawl 106 that connects is connected by short connecting rod with upper bell-mouth structure of air 105, and the circular pawl 106 that connects be hollow or solid construction, and furtherly, the center of described circle connection pawl 106 is circle or square through hole or without hole shape。
It is connected by short connecting rod 108 and in concave inward structure (refer to Fig. 1 and Fig. 2) between lower bell-mouth structure of air 101 and feeler structure 103；Lower bell-mouth structure of air 101, in micro-bell-mouth structure of air expanded outwardly, is used for reducing perivalvular leakage；Feeler structure 103, in the horn mouth shape of upwards micro-expansion, is used for positioning (refer to Fig. 1)。
The material of described leaflet and the material of described shirt rim can respectively Cor Sus domestica bag, bovine pericardium, Cor Equi bag or macromolecular material politef etc.。
One described in this utility model embodiment carries aortic valve valve device work process as follows through conduit:
First described aortic valve valve device 100 is shunk by special device the head end 201 being loaded into induction system 200 and loads in sheath 202 (refer to Fig. 3), by handle 203, the loading sheath 202 of induction system 200 is moved rearwards by, the feeler structure 103 of described aortic valve valve device 100 is discharged (refer to Fig. 4 and Fig. 7), now due to described aortic valve valve device 100 material shape memory characteristic, feeler structure 103 automatic expansion, slowly push downwards induction system 200, feeler structure 103 is made to touch human body natural's leaflet tissue 300, stop pushing induction system 200。Again through handle 203, the head end 201 of induction system 200 is moved forward, the lower bell-mouth structure of air 101 making described aortic valve valve device 100 discharges from the head end 201 of induction system 200, due to described aortic valve valve device 100 material shape memory characteristic, lower bell-mouth structure of air 101 automatic expansion (refer to Fig. 5), human body natural's leaflet tissue 300 is strutted, now human body natural's leaflet tissue 300 is between lower bell-mouth structure of air 101 and the feeler structure 103 of described aortic valve valve device 100 (refer to Fig. 8), described aortic valve valve device 100 completes to be accurately positioned。Loading sheath 202 is continued to be moved rearwards by by the handle 203 again by induction system 200, the upper bell-mouth structure of air 105 of described aortic valve valve device 100 and the circular pawl 106 that connects are discharged (refer to Fig. 6) from loading sheath 202, shape memory characteristic due to described aortic valve valve device 100 material, upper bell-mouth structure of air 105 automatic expansion is to maximum, with blood vessel wall laminating fixing (refer to Fig. 9), induction system 200 is connected pawl 106 with circle and departs from, finally withdrawing from induction system 200, described aortic valve valve device 100 has been implanted。
Embodiment of above is merely to illustrate this utility model; and be not limitation of the utility model; those of ordinary skill about technical field; when without departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes fall within category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims。
Claims (10)
1. through an aortic valve valve device for conduit conveying, described aortic valve valve device includes: support framework；It is fixed on the leaflet inside described support framework mid portion；And fix and the shirt rim fixing with described leaflet along described support framework inner peripheral；It is characterized in that: the upper end of described support framework forms the upper bell-mouth structure of air in three lobed formulas；Bell-mouth structure of air end has that three of the loading for described support framework are circular connects pawls on described；The feeler structure by blocking annulus auxiliary positioning expanded outwardly is had outside the described mid portion of described support framework；There is the lower bell-mouth structure of air expanded outwardly for reducing perivalvular leakage the bottom of described support framework。
2. aortic valve valve device according to claim 1, it is characterised in that: described support framework is nickel-titanium alloy material；Described mid portion is vertical section, and the extent of opening of described lower bell-mouth structure of air is less than the extent of opening of described upper bell-mouth structure of air。
3. aortic valve valve device according to claim 1, it is characterised in that: described support framework is the network that the grid cell assumed diamond in shape is constituted；And respectively 1 ° to 15 ° of the inclination angle of the central axis of the end described support framework of deviation of described upper bell-mouth structure of air and lower bell-mouth structure of air。
4. aortic valve valve device according to claim 1, it is characterised in that: the described circular center connecting pawl be circular or square through hole or without hole shape, described circular connection pawl is connected by short connecting rod with upper bell-mouth structure of air。
5. aortic valve valve device according to claim 1, it is characterised in that: described feeler structure is upwards expanded, and described feeler structure is uniformly distributed in described support framework circumferencial direction。
6. aortic valve valve device according to claim 1, it is characterised in that: the upper bell-mouth structure of air of the mid portion of described support framework and described support framework is connected to each other by short connecting rod。
7. aortic valve valve device according to claim 3, it is characterised in that: adopt the short connecting rod of left and right indent to connect between the adjacent described grid cell of described support framework。
8. aortic valve valve device according to claim 7, it is characterised in that: the short connecting rod of described left and right indent is the concave inward structure that formed of two circular arcs in left and right or a bit of straightway adds the concave inward structure that left and right circular arc is formed。
9. aortic valve valve device according to claim 1, it is characterised in that: the material of described leaflet is Cor Sus domestica bag, bovine pericardium, Cor Equi bag or macromolecular material politef；The material of described shirt rim is Cor Sus domestica bag, bovine pericardium, Cor Equi bag, macromolecular material politef or woven dacron。
10. aortic valve valve device according to claim 1, it is characterised in that: the bottom of the feeler structure of described support framework and described support framework is concave inward structure。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032886.2U CN205322548U (en) | 2016-01-11 | 2016-01-11 | Carry aortic valve valve device through pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620032886.2U CN205322548U (en) | 2016-01-11 | 2016-01-11 | Carry aortic valve valve device through pipe |
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| Publication Number | Publication Date |
|---|---|
| CN205322548U true CN205322548U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620032886.2U Active CN205322548U (en) | 2016-01-11 | 2016-01-11 | Carry aortic valve valve device through pipe |
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| CN (1) | CN205322548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476731A (en) * | 2016-01-11 | 2016-04-13 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| WO2017121192A1 (en) * | 2016-01-11 | 2017-07-20 | 北京迈迪顶峰医疗科技有限公司 | Apparatus, having spinous positioning rods, for transcatheter delivery of aortic valve |
-
2016
- 2016-01-11 CN CN201620032886.2U patent/CN205322548U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476731A (en) * | 2016-01-11 | 2016-04-13 | 北京迈迪顶峰医疗科技有限公司 | Aortic valve device conveyed by catheter |
| WO2017121195A1 (en) * | 2016-01-11 | 2017-07-20 | 北京迈迪顶峰医疗科技有限公司 | Transcatheter aortic valve device having tentacle structures |
| WO2017121192A1 (en) * | 2016-01-11 | 2017-07-20 | 北京迈迪顶峰医疗科技有限公司 | Apparatus, having spinous positioning rods, for transcatheter delivery of aortic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101312 No.5, Zhuyuan 2nd Street, Shunyi District, Beijing (Tianzhu Comprehensive Bonded Zone) Patentee after: Beijing medipeak Medical Technology Co.,Ltd. Address before: 101312 No.5, Zhuyuan 2nd Street, Shunyi District, Beijing (Tianzhu Comprehensive Bonded Zone) Patentee before: BEIJING MED ZENITH MEDICAL SCIENTIFIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |