CN206463091U - A kind of artificial mitral valve forming ring - Google Patents
A kind of artificial mitral valve forming ring Download PDFInfo
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- CN206463091U CN206463091U CN201621079954.7U CN201621079954U CN206463091U CN 206463091 U CN206463091 U CN 206463091U CN 201621079954 U CN201621079954 U CN 201621079954U CN 206463091 U CN206463091 U CN 206463091U
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- mitral valve
- forming ring
- valve forming
- artificial mitral
- coil
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Abstract
The utility model provides a kind of artificial mitral valve forming ring, and the artificial mitral valve forming ring includes wire, the regulating member for adjusting the conductor length, for adjusting the radial dimension of support coil of mitral valve forming ring；The support coil is socketed on the outside of the wire and collectively forms the shape matched with heart mitral annulus with the regulating member.It is implanted into by conventional surgical operation suturing mode, when patient's heart recovers under bounce state, go out external rotatable conveyer in the regulating member of artificial mitral valve forming ring, regulating member adjusts the length of wire under the turning effort of rotatable conveyer and then causes mitral valve forming ring dimensional contraction or expansion, the shape matched with heart mitral annulus is constituted accurately to adjust artificial mitral valve forming ring, so as to effectively solve the problems, such as mitral valve insufficiency.
Description
Technical field
The utility model is related to technical field of medical instruments, more particularly to a kind of artificial mitral valve forming ring.
Background technology
Mitral valve insufficiency is one of most common valvulopathy.With China human mortality aging, mitral valve closure
The infull incidence of disease substantially increases.Mitral valve insufficiency can be divided into primary mitral valve insufficiency and Secondary cases according to the cause of disease
Mitral valve insufficiency.For mitral valve insufficiency patient when left ventricular contraction part blood will reflux to atrium sinistrum
In, as a result heart is due to will not only pump the blood of conventional-volume, but also the blood for wanting extra pumped back to flow in atrium sinistrum
And it is heavier to work.Increased work load the final consumption heart of excessive fatigue is caused to left ventricle, severe mitral is closed
Close entirely not very harmful to patient and even result in death when serious.
Plastic surgery for mitral valve is treatment mitral valve insufficiency Main Means, and surgical effect has obtained the world and widely recognized
Can.Plastic surgery for mitral valve remains structure under mitral leaflet and valve, remains the connection of chordae tendineae papillary muscle and left ventricle, favorably
It is moulding in diastole ventricle, thus Assessment of Left Ventricular Systolic Function is protected, operative mortality rate is low, and long-term effect is good.
Artificial mitral valve forming ring is the core apparatus of plastic surgery for mitral valve, is also to embody mitral valvuloplasty surgical quality
Important guarantee.Need to be operated under cardiac arrest using cardiopulmonary bypass in traditional surgical operation.But cardiac arrest
It is exactly accurate to be that non-physiological state surgical effect can not accomplish, only can just be commented after heart recovers and beated by ultrasonic technique
Valency mitral valve repair quality, cardiopulmonary bypass can only be started again at, cut heart second operation again by such as repairing to be unsatisfied with, so that plus
Major operation risk.
Utility model content
The purpose of this utility model is to provide a kind of artificial mitral valve forming ring, shaped with solving existing artificial mitral valve
After ring implantation, patient's postoperative recurrence needs the secondary thoracotomy operation of excessive risk to be adjusted, and existing mitral valve forming ring can not
The problem of repeatedly to carry out size adjusting.
In order to solve the above technical problems, the utility model provides a kind of artificial mitral valve forming ring, the artificial mitral valve
Forming ring includes：It is wire, the regulating member for adjusting the conductor length, radial dimension of for adjusting mitral valve forming ring
Support coil；The support coil is socketed on the outside of the wire and collectively formed and heart bicuspid valve with the regulating member
The shape of ring matching.
Optionally, in described artificial mitral valve forming ring, in addition to：It is arranged at medical on the outside of the support coil
Polyester textile.
Optionally, in described artificial mitral valve forming ring, the regulating member includes being used to wind the wire
Spool, the rotating axis component being arranged on the axial direction of the spool.
Optionally, in described artificial mitral valve forming ring, be provided with the spool for fix wire first
Through hole.
Optionally, in described artificial mitral valve forming ring, the regulating member also includes being used to fasten the spool
Pad and damped part for tight twist wire, the pad it is relative with the damped part be arranged at the spool
Two ends, the second through hole of the exposed rotating axis component is offered on the pad.
Optionally, in described artificial mitral valve forming ring, the regulating member also includes housing, the pad, institute
State spool and the damped part is placed in the housing.
Optionally, in described artificial mitral valve forming ring, cruciform groove, the cross are provided with the spool
Type groove be located at on the spool of the rotating axis component opposite side.
Optionally, in described artificial mitral valve forming ring, the damped part is the logical limited step of rotation, and the rotation is led to
Limited step is embedded in the cruciform groove with tight twist wire.
Optionally, in described artificial mitral valve forming ring, being internally provided with for the housing is used to house the rotation
Turn the groove of logical limited step, the groove shapes match with the shape of the logical limited step of the rotation.
Optionally, in described artificial mitral valve forming ring, in addition to the interface for Secondary Control, the interface with
The regulating member connection.
Optionally, in described artificial mitral valve forming ring, the form of the support coil is to be given birth to mitral annulus
The D type structures that match of reason structure, including longitudinally compressible coil and the longitudinal direction that is connected with the longitudinally compressible coil
Incompressible coil.
Optionally, in described artificial mitral valve forming ring, the quantity of the longitudinally compressible coil is at least two
Individual, the quantity of the incompressible coil in longitudinal direction is multiple, the incompressible coil connection arbitrary neighborhood two in longitudinal direction
The compressible coil in longitudinal direction, to control artificial mitral valve forming ring in the size of diverse location.
Optionally, in described artificial mitral valve forming ring, the state of the support coil is with the conductor length
Change and change；The wire is elongated, and expansion state is presented in the support coil；The wire shortens, and the support coil is in
Existing tightening state.
Optionally, in described artificial mitral valve forming ring, the material of the support coil is titanium, Nitinol, no
Become rusty steel, cochrome or molybdenum iridium alloy；The material of the wire be titanium, Nitinol, stainless steel, cochrome, molybdenum iridium alloy,
Ultra-high molecular weight polyethylene, carbon fiber or polyimides.
In artificial mitral valve forming ring provided by the utility model, the artificial mitral valve forming ring include wire,
For adjusting the regulating member of the conductor length, for adjusting the radial dimension of support coil of mitral valve forming ring；The branch
Support coil is socketed on the outside of the wire and collectively forms the shape matched with heart mitral annulus with the regulating member.It is logical
Cross conventional surgical operation suturing mode to be implanted into, when patient's heart recovers under bounce state, in the tune of artificial mitral valve forming ring
Section part goes out external rotatable conveyer, regulating member adjusted under the turning effort of rotatable conveyer the length of wire and then
So that mitral valve forming ring dimensional contraction or expansion, are constituted and heart mitral annulus phase with adjusting artificial mitral valve forming ring
The shape matched somebody with somebody, so as to effectively solve the problems, such as mitral valve insufficiency.
Brief description of the drawings
Fig. 1 a are the structural representations one of artificial mitral valve forming ring in the utility model embodiment one；
Fig. 1 b are to be socketed with the structural representation after polyester textile on the outside of support coil in Fig. 1 a；
Fig. 2 a are the front views of regulating member in the utility model embodiment one；
Fig. 2 b are the top views of regulating member in the utility model embodiment one；
Fig. 2 c be damped part be damped ring when, the explosive view of the housing interior structure of regulating member；
Fig. 2 d~Fig. 2 e are the structural representations of spool in the utility model embodiment one；
Fig. 2 f are the structural representations of the logical limited step of rotation；
When Fig. 2 g are that damped part leads to limited step for rotation, the structural representation inside partial shell；
Fig. 3 is the structural representation after artificial mitral valve forming ring shrinks in Fig. 1 a；
Fig. 4 is the structural representation two of artificial mitral valve forming ring in the utility model embodiment one.
In figure：Wire 1；Regulating member 2；Spool 20；First through hole 200；Cruciform groove 201；Rotating axis component 21；Pad
Piece 22；Second through hole 220；Damped ring 23；The logical limited step 23 ' of rotation；Housing 24；Screw thread 25；Coil fixes screw thread 26；Support coil
3；The incompressible coil 30 in longitudinal direction；Longitudinally compressible coil 31；Medical polyester textile 5.
Embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes artificial mitral valve forming ring make further it is detailed
Describe in detail bright.According to following explanation and claims, advantages and features of the present utility model will become apparent from.It should be noted that, it is attached
Figure is using very simplified form and uses non-accurately ratio, only new conveniently, lucidly to aid in illustrating this practicality
The purpose of type embodiment.
It is normal physiological shape and the artificial mitral valve of profile the utility model discloses a kind of lesion bicuspid valve of repairing
Forming ring, refer to Fig. 1 a, and it is the structural representation of artificial mitral valve forming ring of the present utility model.The artificial mitral valve
Forming ring includes：Wire 1, the regulating member 2 for adjusting the length of wire 1, for adjusting mitral valve forming ring radial ruler
Very little support coil 3；The support coil 3 is socketed on the outside of the wire 1 and collectively formed and the heart with the regulating member 2
The shape of dirty annulus of mitral valve matching.It is real by regulating member 2 after the conventional suture operation method implantation of artificial mitral valve forming ring
The shape and size of artificial mitral valve forming ring are now mechanically adjusted, because support coil 3 is used to keep artificial mitral valve to shape
The profile of ring, by adjusting the length of wire 1 so that support coil 3 is presented and tightened up or expansion state, and then changes artificial
The size and dimension of mitral valve forming ring.
On the basis of Fig. 1 b are the structure of the artificial mitral valve forming ring shown in Fig. 1 a, on the outside of support coil in fig 1 a
It is socketed with and particular color mark segmentation is distributed with the structural representation after medical polyester textile 5, the medical polyester textile 5
Suture, the demand of the mark suture fixation for meeting artificial mitral valve forming ring, it is preferred that the medical polyester textile 5
Surface is coated with polytetrafluoroethylene (PTFE).As shown in Figure 1 b, in order to realize the artificial mitral valve in the regulation of regulating member, the present embodiment
Forming ring needs external rotatable conveyer when regulating member is applied, and the rotatable conveyer is docked with regulating member, carried
For rotating force, and then control to adjust the size and dimension that part changes artificial mitral valve forming ring.
It is off size suitable, it is necessary to the problem of Secondary Control in order to solve to exist after the implantation of artificial mitral valve forming ring, in institute
The interface being additionally provided with artificial mitral valve forming ring for Secondary Control is stated, the interface is connected with the regulating member.
In the present embodiment, Fig. 2 a- Fig. 2 c are refer to, the regulating member 2 mainly includes housing 24 and is packaged in housing 24
In the pad 22, spool 20 and the damped part that are distributed from top to bottom.Wherein, the exposed rotating axis component is offered on the pad
The second through hole 220；It is stably connected with during for the ease of rotatable conveyor applications with regulating member, refer to Fig. 1 b, in institute
State and screw thread 25 is additionally provided with the housing 24 of regulating member, to be used as the follow-up interface being connected with rotatable conveyer.Preferably,
It refer to and coil fixation screw thread 26 is additionally provided with Fig. 2 a and Fig. 2 b, the regulating member, so that the support of regulating member both sides
Coil 3 is embedded in the coil and fixed in screw thread 26, limits local support coil 3, becomes the incompressible coil in longitudinal direction.Its
In, the spool 20 is used to wind the wire (structure of the spool 20 may be referred to Fig. 2 c), and then change is socketed on branch
Support the length of wire 1 in coil 3；For fastening the pad 22 of the spool 20 and the damper portion for tight twist wire
The relative two ends for being arranged at the spool 20 of part, to increase the frictional force between pad 22 and damped part and spool 20, two
The effect of person is to hinder shaping ring-shaped to deform upon after spool 20 is tightened up or expanded, and effectively maintains artificial mitral valve
Size and dimension required for forming ring.It is preferred that, as shown in Figure 2 c, the damped part is damped ring 23.
Fig. 2 b are refer to, in order that obtaining the rotation of spool 20, the regulating member also includes being arranged at the spool 20
The second through hole 220 of the exposed rotating axis component 21 is offered on rotating axis component 21 on axial direction, the pad 22, subsequently
The rotatable conveyer used during regulation 1 length of wire is adjusted by being docked through the second through hole 220 with rotating axis component 21,
While the length of wire 1 changes, expansion state or tightening state is presented in the support coil 3 of the outside of wire 1 socket.Specifically,
The state of the support coil 3 changes with the change of the length of wire 1；The wire 1 is elongated, and the support coil 3 is in
Existing expansion state；The wire 1 shortens, and tightening state is presented in the support coil 3.
Specifically, when rotatable conveyer and external regulating member, actually described rotatable conveyer and regulating member
Rotating axis component matching connection, consequently facilitating follow-up regulation of the rotatable conveyer to regulating member.It is preferred that, described turn
Axle portion part 21 is a groove structure (as shown in Figure 2 c), it is furthermore preferred that the groove structure is yi word pattern groove；It is described rotatable
Conveyer matches the one end being connected with the rotating axis component and is provided with the bulge-structure matched with the groove structure, if described
Groove structure is that now the bulge-structure is that yi word pattern is raised with yi word pattern groove.Wherein, the master of the rotatable conveyer
Body portion can be that the structure of flexibility can also be the material of rigid structure, preferably flexible material, and prepared by flexible material can
The main body of rotation conveyer is easy to the size and dimension for the passage regulation artificial mitral valve forming ring being made up of conduit extension line,
And conveying can be bent as needed.When driving 20 rotate counterclockwise of spool using rotatable conveyer, support coil 3, which is presented, to be expanded
The state of opening；Conversely, tightening state.Relation includes but not office between the state that the direction of rotation of spool 20 and support coil 3 are presented
It is limited to above-mentioned situation, its specific corresponding relation is, it is necessary to depending on according to wire 1 and the relation of the winding of spool 20.In order to preferably real
The first through hole 200 for fixing wire 1, the wire 1 are provided with the fixation of existing wire 1 and spool 20, the spool 20
By realizing that preliminary fixed and then development is subsequently wound around spool 20 through first through hole 200.
As another preferred scheme of damped part, as shown in figure 2f：The damped part includes but is not limited to damping
Circle 23, or the logical limited step 23 ' of rotation.Correspondingly, play to meet the logical limited step 23 ' of rotation and wound on fastening spool 20
Wire effect, the structure of the spool 20 and housing 24 is improved, described as shown in Fig. 2 d, Fig. 2 e and Fig. 2 g
Be provided with cruciform groove on spool 20, the cruciform groove be located at on the spool 20 of the rotating axis component opposite side；
The groove (as shown in Figure 2 g) being internally provided with for housing the logical limited step 23 ' of the rotation of the housing 24, the groove type
Shape matches with the shape of the logical limited step 23 ' of the rotation.During practical application, the rotation leads to limited step 23 ' and is embedded in the cross
In type groove with tight twist wire after；It is external rotatable defeated on regulating member in size after follow-up needs adjust shaping
Device is sent, rotatable conveyer is longitudinally downward in the core of regulating member so that the logical limited step 23 ' of rotation departs from cross recessed
Groove, can be formed the regulation of ring size.
It refer to the structural representation after Fig. 1 a and Fig. 3, Fig. 3 shrink for Fig. 1 a artificial mitral valve forming ring.Such as Fig. 1 a
Shown, the form of the support coil is the D type structures that match with mitral annulus physiological structure, including longitudinal direction is incompressible
Coil 30 and the longitudinally compressible coil 31 that is connected with the incompressible coil in the longitudinal direction 30, the incompressible line in longitudinal direction
The density of braided wires winding is different when circle 30 is prepared by both coils from the difference of longitudinally compressible coil 31, to realize line
Circle is in longitudinal compressible or incompressible in its longitudinal direction performance.As shown in Figure 1a, the coil of the longitudinally compressible coil 31 is close
The loop density of degree coil 30 more incompressible than the longitudinal direction is low, and between the two every connection.Wherein, the longitudinal direction is incompressible
The quantity of coil 30 be at least two, the quantity of the longitudinally compressible coil is multiple, by setting longitudinal direction to press
The position that the coil 30 and longitudinally compressible coil 31 of contracting are distributed each other in whole forming ring, with control artificial mitral valve into
Size of the shape ring in diverse location.
Please continue to refer to Fig. 1 a, the incompressible coil 30 in longitudinal direction and longitudinally compressible coil 31 artificial mitral valve into
Shape ring tighten up or process of expansion in only longitudinally compressible coil 30 present in the vertical compression or stretch state, and longitudinal direction
Compressible coil 31 does not produce deformation in the vertical.During actual design artificial mitral valve forming ring, the incompressible line in longitudinal direction
Position and quantity that circle 30 and longitudinally compressible coil 31 are each distributed in forming ring are not limited to the structure shown in Fig. 1 a,
Structure that can also be as shown in Figure 4, specifically can need mechanical energy to set according to the state of an illness of patient.
In addition, being not limited to the coil of two kinds of density in the support coil 3, the coil of color density is may also comprise, no
With density coil, specifically layout can be designed according to the demand of patient, and the effective mitral valve insufficiency that improves controls curative effect
Really.
Preferably, the material of the support coil 3 is Nitinol, cu-zn-al alloy, Batterium, ferrimanganic silicon are closed
Gold, calite or golden cadmium alloy.The material of the wire be titanium, Nitinol, stainless steel, cochrome, molybdenum iridium alloy,
Ultra-high molecular weight polyethylene, carbon fiber or polyimides.
To sum up, it is normal physiological shape and the people of profile in a kind of lesion bicuspid valve of repairing provided by the utility model
In work mitral valve forming ring, the artificial mitral valve forming ring include wire, the regulating member for adjusting the conductor length,
For adjusting the radial dimension of support coil of mitral valve forming ring；It is described support coil be socketed on the wire outside and with institute
State regulating member and collectively form the shape matched with heart mitral annulus.It is implanted into by conventional surgical operation suturing mode, when
Patient's heart recovers under bounce state, and external rotatable conveyer, adjustment portion are gone out in the regulating member of artificial mitral valve forming ring
Part adjusts the length of wire under the turning effort of rotatable conveyer and then causes mitral valve forming ring dimensional contraction or expansion,
The shape matched with heart mitral annulus is constituted to adjust artificial mitral valve forming ring, so as to effectively solve mitral valve closure
Infull problem.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the utility model scope
Calmly, the those of ordinary skill in the utility model field does according to the disclosure above content any change, modification, belonging to right will
Seek the protection domain of book.
Claims (14)
1. a kind of artificial mitral valve forming ring, it is characterised in that including：Wire, the adjustment portion for adjusting the conductor length
Part, for adjusting the radial dimension of support coil of mitral valve forming ring；The support coil is socketed on the outside of the wire simultaneously
The shape matched with heart mitral annulus is collectively formed with the regulating member.
2. artificial mitral valve forming ring as claimed in claim 1, it is characterised in that also include：It is arranged at the support coil
The medical polyester textile in outside.
3. artificial mitral valve forming ring as claimed in claim 2, it is characterised in that the regulating member includes being used to wind institute
State the spool of wire, the rotating axis component being arranged on the axial direction of the spool.
4. artificial mitral valve forming ring as claimed in claim 3, it is characterised in that be provided with and led for fixation on the spool
The first through hole of line.
5. artificial mitral valve forming ring as claimed in claim 3, it is characterised in that the regulating member also includes being used to fasten
The pad of the spool and the damped part for tight twist wire, the pad is relative with the damped part to be arranged at
The second through hole of the exposed rotating axis component is offered on the two ends of the spool, the pad.
6. artificial mitral valve forming ring as claimed in claim 5, it is characterised in that the regulating member also includes housing, institute
Pad, the spool and the damped part is stated to be placed in the housing.
7. artificial mitral valve forming ring as claimed in claim 6, it is characterised in that be provided with the spool cross recessed
Groove, the cruciform groove be located at on the spool of the rotating axis component opposite side.
8. artificial mitral valve forming ring as claimed in claim 7, it is characterised in that the damped part is the logical limited step of rotation,
The logical limited step of rotation is embedded in the cruciform groove with tight twist wire.
9. artificial mitral valve forming ring as claimed in claim 8, it is characterised in that being internally provided with for the housing is used to hold
The groove of the logical limited step of the rotation is put, the groove shapes match with the shape of the logical limited step of the rotation.
10. artificial mitral valve forming ring as claimed in claim 1, it is characterised in that also including the interface for Secondary Control,
The interface is connected with the regulating member.
11. artificial mitral valve forming ring as claimed in claim 1, it is characterised in that the form of the support coil is and two
The D type structures that cusp annulus physiological structure matches, including longitudinally compressible coil and with the longitudinally compressible coil
The incompressible coil in longitudinal direction of connection.
12. artificial mitral valve forming ring as claimed in claim 11, it is characterised in that the number of the longitudinally compressible coil
Measure as at least two, the quantity of the incompressible coil in longitudinal direction is multiple, and the incompressible coil connection in longitudinal direction is appointed
Anticipate the compressible coil in two neighboring longitudinal direction, to control artificial mitral valve forming ring in the size of diverse location.
13. artificial mitral valve forming ring as claimed in claim 1, it is characterised in that the state of the support coil is with described
The change of conductor length and change；The wire is elongated, and expansion state is presented in the support coil；The wire shortens, described
Support coil that tightening state is presented.
14. the artificial mitral valve forming ring as any one of claim 1~13, it is characterised in that the support coil
Material be titanium, Nitinol, stainless steel, cochrome or molybdenum iridium alloy；The material of the wire is titanium, Nitinol, no
Become rusty steel, cochrome, molybdenum iridium alloy, ultra-high molecular weight polyethylene, carbon fiber or polyimides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079954.7U CN206463091U (en) | 2016-09-26 | 2016-09-26 | A kind of artificial mitral valve forming ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079954.7U CN206463091U (en) | 2016-09-26 | 2016-09-26 | A kind of artificial mitral valve forming ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206463091U true CN206463091U (en) | 2017-09-05 |
Family
ID=59710408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079954.7U Active CN206463091U (en) | 2016-09-26 | 2016-09-26 | A kind of artificial mitral valve forming ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206463091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646150A (en) * | 2019-02-27 | 2019-04-19 | 复旦大学附属中山医院 | Outer implanted aortic valve forming ring is adjusted in one kind |
-
2016
- 2016-09-26 CN CN201621079954.7U patent/CN206463091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646150A (en) * | 2019-02-27 | 2019-04-19 | 复旦大学附属中山医院 | Outer implanted aortic valve forming ring is adjusted in one kind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 301, No. 23 Lane 908 Ziping Road, Zhoupu Town, Pudong New Area, Shanghai, 201318 Patentee after: Shanghai newpulse Medical Technology Co.,Ltd. Address before: Room 301, No. 23 Lane 908 Ziping Road, Zhoupu Town, Pudong New Area, Shanghai, 201318 Patentee before: SHANGHAI NEWMED MEDICAL Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An artificial mitral valve shaping ring Effective date of registration: 20230625 Granted publication date: 20170905 Pledgee: China Merchants Bank Co.,Ltd. Shanghai Branch Pledgor: Shanghai newpulse Medical Technology Co.,Ltd. Registration number: Y2023310000277 |