CN108451670A - A kind of mitral valve replaces mechanical prosthetic valve on manually ring - Google Patents
A kind of mitral valve replaces mechanical prosthetic valve on manually ring Download PDFInfo
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- CN108451670A CN108451670A CN201810205222.5A CN201810205222A CN108451670A CN 108451670 A CN108451670 A CN 108451670A CN 201810205222 A CN201810205222 A CN 201810205222A CN 108451670 A CN108451670 A CN 108451670A
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- leaflet
- valve
- ring
- mechanical prosthetic
- prosthetic valve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2463—Implants forming part of the valve leaflets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
Landscapes
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
A kind of mitral valve replaces mechanical prosthetic valve on manually ring, for being implanted into the heart mitral valve substituted in heart positioned at atrium sinistrum and left ventricle intersection lesion, including：Valve frame matches containing the mitral annulus in tubular portion, with left ventricle, and a pair of leaflet to be opened/closed on valve frame and is accommodated in tubular portion, the one-way flow for controlling blood；And seaming loop, it is fixed on tubular portion, it is connected for being sutured with mitral annulus, wherein, tubular portion also has the inflow port part and outflow port part for flowing into left ventricle from atrium sinistrum for blood, and in a tubular form, one end is connect seaming loop with outflow port part, it is external part that the other end, which stretches out, and seaming loop can deform upon in the case where being subject to external force.
Description
Technical field
The present invention relates to a kind of artificial mechanical valve prosthesis, are specifically related to a kind of for replacing mechanical prosthetic valve on mitral ring
Film.
Background technology
Heart valve includes bicuspid valve, tricuspid valve, aorta petal and pulmonary valve, and wherein mitral valve is located at left room and a left side
Between room, for ensureing blood from atrium sinistrum to left ventricle direction one-way flow.Mitral valve lesion is common heart valve
One of disease, the cause of disease include rheumatic, degeneration and infectious endocarditis etc., and Clinical Results of Mechanical Heart Valve Replacement For Mitral Valve Disease is the treatment heart
A kind of common treatment means of dirty mitral valve lesion.
Bicuspid valve includes leaflet, annulus, chordae tendineae, papillary muscle and the left locular wall of papillary muscle attachment, when carrying out valve replacement,
The valve for how handling lesion, the prognosis for directly affecting patient restore.To be implanted into the artificial valve of ideal dimensions, need excessive clear
Except mitral valve tissue (including leaflet and chordae tendineae), but the excessive diastole of postoperative left ventricle can be caused in this way and Low output is caused to integrate
The generation of sign, thus while performing the operation can retain under mitral valve device as far as possible in order to maintain the left heart of postoperative relative ideal
Room form and function.Currently, traditional various bicuspid valve mechanical prosthetic valves are in placement and opening-closing process, the metal of part valve device
Structure and leaflet are respectively positioned in left ventricular outflow tract view, which is likely to result in：
1. since the original bicuspid valve of human body is elastic fibrous tissue, there is certain deformation, and the valve frame of mechanical prosthetic valve is metal
Structure, shape are fixed, therefore mechanical prosthetic valve replaces after the mitral valve and loses the function of being deformed upon originally with human body movement.
2. some mechanical structure of artificial valve is implanted into left ventricular inflow tract, when device retained under mitral leaflet or valve
When more, chordae tendineae and papillary muscle etc. can hinder the movement of mechanical prosthetic valve, and then influence the keying function of mechanical prosthetic valve.
Then must the mitral valve apparatus of reservation be subjected to plicating suture during surgery to solve the above-mentioned problems, but in this way may be used
Original function of maintaining left ventricle form is lost after mechanical prosthetic valve implantation difficulty or chordae tendineae can be caused to be shifted, or even can
Postoperative left ventricular diastolic function can be caused to be affected because of the excessive drawing of contracture chordae tendineae.
Invention content
The present invention is that have the function of to lack deformation and leaflet movement to solve above-mentioned traditional bicuspid valve machinery valve structure
The problem of device hinders under by valve is, and it is an object of the present invention to provide a kind of mitral valve replaces mechanical prosthetic valve on manually ring.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, is substituted positioned at the left heart for being implanted into heart
The heart mitral valve in room and left ventricle intersection lesion, which is characterized in that including：Valve frame, containing tubular portion, with left ventricle
In mitral annulus match, a pair of leaflet to be opened/closed on valve frame and is accommodated in tubular portion, for controlling
The one-way flow of blood processed；And seaming loop, it is fixed on tubular portion, is connected for being sutured with mitral annulus, wherein pipe
Shape part also have for blood from atrium sinistrum flow into left ventricle inflow port part and outflow port part, seaming loop in a tubular form, one
End is connect with outflow port part, and it is external part that the other end, which stretches out, and seaming loop can deform upon in the case where being subject to external force, leaflet
In the form of sheets, when a pair of of leaflet is vertical with the outflow end face of port part, leaflet is no more than close to the lowermost end of external part stretches out
The end face at end.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, when a pair of of leaflet is vertical with the outflow end face of port part, lowermost end and external part of the leaflet close to external part
End face be in same plane.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, when a pair of of leaflet is vertical with the outflow end face of port part, leaflet is located at close to the lowermost end of external part from stretching
The end face of outlet is retracted into tube at 1-2mm along the axial of tube.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, seaming loop includes circle body and the elastic ring that is arranged in circle body, and there is elastic ring the shape with circle body to match
Shape, the port of circle body one end and the port of outflow port part are in direct contact and are fixed on the port of outflow port part.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, elastic ring is elastic ring made of medical grade silicon rubber.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, elastic tube, one end are fixed in outflow port part, and the other end is stretched out and can be deformed upon under the effect of external force,
Seaming loop is fixed on the peripheral wall of the deformable one end of elastic tube.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, elastic tube is elastic tube made of medical grade silicon rubber.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, valve frame also has a pair of symmetrically arranged projection portion, for installing a pair of of leaflet.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, the interior cross section of tubular portion is circle, has two groups of diameters along tubular portion left on the inner wall of projection portion
Right symmetrically arranged limiting groove group, every group of limiting groove group includes for installing the two of a piece of leaflet limiting grooves.
Mitral valve provided by the invention replaces mechanical prosthetic valve on manually ring, can also have the feature that, feature
It is：Wherein, there is every leaflet straight flange and arc side, the straight flange to be connect with the arc side, and the both ends for stating straight flange are respectively provided with one
Two convex blocks of convex block, every leaflet are separately mounted in two limiting grooves in one group of limiting groove group so that leaflet can
Straight flange along the leaflet rotates, the maximum distance of the arc side of the straight flange of every leaflet to the leaflet be more than tubular portion it is interior partly
Diameter.
The effect of invention
Mitral valve in the present invention replaces mechanical prosthetic valve on manually ring, and there is one end to be connect with the outflow port part of valve frame,
The other end stretches out the seaming loop for external part, which can deform upon in the case where being subject to external force, and such setting makes
Mechanical prosthetic valve is located at instead of after the mitral valve at mitral annulus on artificial ring is seaming loop, and the shape of seaming loop be can deformation
, it is not fixed by valve frame shape, so mitral annulus position still has and can be sent out as human body moves after replacement operation
The ability of raw deformation.Also, due to seaming loop setting outflow port part, be located at entire valve frame lowermost end, with bicuspid valve
It can allow after displacement mechanical prosthetic valve is located in atrium sinistrum on entire artificial ring after annulus suture, and then allow mechanical prosthetic valve on entire manually ring
The top of device under valve ensure that device is not influenced mechanical prosthetic valve under by valve on entire artificial ring, and by annulus size
The limitation of factor influences to have obtained very big improvement.
Meanwhile mitral valve of the present invention is replaced mechanical prosthetic valve on manually ring and is had and a pair of of sheet is arranged on valve frame
Leaflet, when a pair of of leaflet is vertical with the outflow end face of port part, leaflet is no more than close to the lowermost end of seaming loop external part
The end face of external part, this makes so that leaflet is completely in the inside of mechanical prosthetic valve on artificial ring, and leaflet is also complete when running complete
It is on artificial ring inside mechanical prosthetic valve, is not interfered by external structure entirely, therefore no matter retain in surgical procedure and filled under how many valve
Will not the movement of leaflet be interfered by setting, therefore can retain bicuspid valve lower structure in situ to greatest extent, and is not necessarily to
It is fold or pull leaflet and valve lower structure device more, for maintaining postoperative left ventricle form and function better.
Description of the drawings
Fig. 1 is the structural schematic diagram that mitral valve replaces mechanical prosthetic valve on manually ring；
Fig. 2 is the structural schematic diagram of leaflet；
Fig. 3 is the structural schematic diagram that mitral valve replaces mechanical prosthetic valve conducting state on manually ring；
Fig. 4 is the structural schematic diagram that mitral valve replaces mechanical prosthetic valve closed state on manually ring；
Fig. 5 is that mitral valve replaces position view of the mechanical prosthetic valve in heart on manually ring；And Fig. 6 is second
Mitral valve replaces the structural schematic diagram of mechanical prosthetic valve on manually ring.
Specific implementation mode
It is real below in order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand
It applies example combination attached drawing and the manually composition of mechanical prosthetic valve on ring, operation principle and beneficial is replaced to mitral valve provided by the invention
Effect is specifically addressed.
<Embodiment>
Fig. 1 is the structural schematic diagram that mitral valve replaces mechanical prosthetic valve on manually ring.
As shown in Figure 1, the mitral valve in the present embodiment, which replaces mechanical prosthetic valve 100 on manually ring, has valve frame 10, a pair
Leaflet 20 and seaming loop 30.
Valve frame 10 has cylindrical tubular portion and a pair of of projection portion.
Tubular portion has the inflow port part 11 passed in and out for blood and outflow port part 12.The end face of outflow end 12 is
Plane is smooth arc-shaped at port.Flowing out has annular groove on the periphery wall of port part 12.
A pair of of projection portion includes two symmetrical protrusions being arranged in 11 side of inflow port part, is used with tubular portion
Medical pyrolytic carbon integrated molding is made.
There is two groups of limiting groove groups, diameter of two groups of limiting groove groups along tubular portion on the inner wall of a pair of of projection portion
Symmetrically, every group of limiting groove group includes two limiting grooves 13 for installing a piece of leaflet 20, the two limiting grooves 13 divide
It Wei Yu not be in two protrusions.
Each limiting groove 13 includes central symmetry and identical two scalloped recess of shape, and two scalloped recess are along tubulose
Partial axial direction is setting up and down, and in each scalloped recess a radius is parallel with the axial direction of tubular portion.
Fig. 2 is the structural schematic diagram of leaflet.
A pair of leaflet 20 to be opened/closed, the two panels leaflet 20 that there is the diameter along tubular portion to be symmetrically arranged to the left and right,
For controlling circulation of the blood on artificial ring in mechanical prosthetic valve 100.
As shown in Fig. 2, leaflet 20 is in the form of sheets, with straight flange and the arc side to match with tubular portion inner wall shape, straight flange
Both ends are respectively provided with the convex block 21 to match with limiting groove 13.Convex block have protrusion while and when straight, the both ends on the straight side
It connects respectively and by one end of the straight flange of leaflet 20 one end corresponding with arc side.
Two convex blocks 21 of every leaflet 20 are engaged and installed in two limiting grooves 13 in one group of limiting groove group respectively
In so that the leaflet 20 can the rotation in valve frame 10 along straight flange.
Seaming loop 30 includes circle body and and the elastic ring 31 that is arranged in circle body.
Circle body includes being integrally formed shirt rim used for suturing and circular ring shape fixed ring made of braiding terylene.
Fixed ring is identical as the internal diameter of tubular portion, and the port of one end is adhesively fixed on the port of outflow port part 12.
The shirt rim is circular ring shape, and outer surface has that axially parallel multiple strips protrude with tubular portion.
The uniform arrangement of circumferencial direction of multiple strip protrusions along shirt rim.
Elastic ring 31 is the circular ring shape to match with the shape of shirt rim, is made of medical grade silicon rubber, is coated shirt rim completely
It is interior.
Fig. 3 is the structural schematic diagram that mitral valve replaces mechanical prosthetic valve conducting state on manually ring.
As shown in figure 3, when two panels leaflet 20 be mutually parallel and with outflow the end face of port part 12 it is vertical when, two panels leaflet
20 are in same flat close to the lowermost end of 30 external part of seaming loop in maximum folding condition, leaflet 20 with the end face of the external part
Face, at this point, two radiuses parallel with the axial direction of tubular portion in limiting groove group limit leaflet 20, blood can pass through
Mitral valve replaces mechanical prosthetic valve 100 on manually ring and flows into left ventricle from atrium sinistrum.
Can also be as needed, when two panels leaflet 20 is in maximum folding condition, stretching of the leaflet 20 close to seaming loop 30
The lowermost end at end may be located on being retracted from 1-2mm into tubular portion from the end face of the external part along the axial of tubular portion,
Preferably 2mm.
Fig. 4 is the structural schematic diagram that mitral valve replaces mechanical prosthetic valve closed state on manually ring.
As shown in figure 4, two straight flanges when two panels leaflet 20 are mutually bonded completely, two arc sides difference of two panels leaflet 20
When being bonded completely with the inner wall of tubular portion, two panels leaflet 20 is in closed state, at this point, other two in limiting groove 13
Radius limits leaflet 20, and the angle formed between two panels leaflet 20 is more than 90 ° and less than 180 °, and blood can not pass through
Mitral valve replaces mechanical prosthetic valve 100 on manually ring.
Two panels leaflet 20 is leaflet made of medical pyrolytic carbon.
Fig. 5 is the position view in heart.
As shown in figure 5, when carrying out replacement operation, seaming loop 30 and the mitral annulus of left ventricle air stream enter runner are sutured, made
It obtains mechanical prosthetic valve 100 on entirely artificial ring to be fixed in atrium sinistrum, forms the state of ring epivalve.
<Variation>
This variation is the variation of embodiment, for identical structure in embodiment one, give identical symbol, and
Omit identical explanation.
Fig. 6 is the structural schematic diagram that second of mitral valve replaces mechanical prosthetic valve on manually ring.
Also have by medical silicon rubber as shown in fig. 6, the mitral valve in this variation replaces mechanical prosthetic valve 200 on manually ring
Elastic tube 40 made of glue.One end of elastic tube 40 is socketed on outflow end 12, and the other end stretches out and under the effect of external force may be used
It deforms upon.
Seaming loop 30 ' has fixed ring and shirt rim used for suturing, and shirt rim is with fixed ring by the integrally formed braiding of terylene
It is made.Fixed ring is adhesively fixed on the outer wall of 40 deformable one end of elastic tube.
Shirt rim is circular ring shape, and outer surface has that axially parallel multiple strips protrude with tubular portion.Multiple strip protrusions
Along the uniform arrangement of the circumferencial direction of shirt rim.
The effect of embodiment
Mitral valve in the present invention replaces mechanical prosthetic valve on manually ring, and there is one end to be connect with the outflow port part of valve frame,
The other end stretches out the seaming loop for external part, which can deform upon in the case where being subject to external force, and such setting makes
Mechanical prosthetic valve is located at instead of after the mitral valve at mitral annulus on artificial ring is seaming loop, and the shape of seaming loop be can deformation
, it is not fixed by valve frame shape, so mitral annulus position still has and can be sent out as human body moves after replacement operation
The ability of raw deformation.Also, due to seaming loop setting outflow port part, be located at entire valve frame lowermost end, with bicuspid valve
It can allow after displacement mechanical prosthetic valve is located in atrium sinistrum on entire artificial ring after annulus suture, and then allow mechanical prosthetic valve on entire manually ring
The top of device under valve ensure that device is not influenced mechanical prosthetic valve under by valve on entire artificial ring, and by annulus size
The limitation of factor influences to have obtained very big improvement.
Meanwhile mitral valve of the present invention replaces mechanical prosthetic valve on manually ring and has setting on valve frame and complete
A pair of of the leaflet being contained in tubular portion so that leaflet is completely in the inside of valve frame, and leaflet is also complete when running complete
It inside valve frame, is not interfered by external structure, therefore no matter retaining device under how many valve in surgical procedure will not be to valve
The movement of leaf interferes, therefore can retain bicuspid valve lower structure in situ to greatest extent, and folds or pull without excessive
Leaflet and valve lower structure device, for maintaining postoperative left ventricle form and function better.
Further, elastic ring and elastic tube are made of medical grade silicon rubber, have it is certain can deformability can coordinate
Human body operation deforms, and can quickly restore original shape with good resilience.
Due to leaflet straight flange to arc side maximum distance be more than tubular portion inside radius, when two panels leaflet is in
When closed state, there is angle, such setting is so that blood flows through the resistance being subject to when leaflet relatively between two panels leaflet
It is small, it can be easier to wash open the leaflet of closure.
The setting of limiting groove makes two panels leaflet be merely able to move in fixed region, and the leaflet displacement avoided is excessive
It impacts between each other.
The above embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of mitral valve replaces mechanical prosthetic valve on manually ring, substituted positioned at atrium sinistrum and left ventricle for being implanted into heart
The heart mitral valve of intersection lesion, which is characterized in that including：
Valve frame matches containing the mitral annulus in tubular portion, with the left ventricle,
A pair of leaflet to be opened/closed, is mounted on the valve frame, the one-way flow for controlling blood；And
Seaming loop is fixed on the tubular portion, is connected for being sutured with the mitral annulus,
Wherein, the tubular portion also has the inflow port part and outflow port part for flowing into left ventricle from atrium sinistrum for blood,
In a tubular form, one end is connect the seaming loop with the outflow port part, and it is external part that the other end, which stretches out,
The seaming loop can deform upon in the case where being subject to external force,
In the form of sheets, when a pair leaflet is vertical with the outflow end face of port part, the leaflet is close for the leaflet
The lowermost end of the external part is no more than the end face of the external part.
2. mitral valve according to claim 1 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, when a pair leaflet is vertical with the outflow end face of port part, the leaflet is close to the external part
The end face of lowermost end and the external part be in same plane.
3. mitral valve according to claim 1 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, when a pair leaflet is vertical with the outflow end face of port part, the leaflet is close to the external part
Lowermost end be located at and be retracted at 1-2mm into the tube from the end face of the external part along the axial of the tube.
4. mitral valve according to claim 1 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, the seaming loop includes circle body and the elastic ring that is arranged in the circle body,
The elastic ring has the shape that the shape with the circle body matches,
The port of described circle body one end and the port of the outflow port part are in direct contact and are fixed on the outflow port part
On port.
5. mitral valve according to claim 3 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, the elastic ring is elastic ring made of medical grade silicon rubber.
6. mitral valve according to claim 1 replaces mechanical prosthetic valve on manually ring, which is characterized in that also have：
Elastic tube, one end are fixed in the outflow port part, and the other end is stretched out and can be deformed upon under the effect of external force,
The seaming loop is fixed on the peripheral wall of the deformable one end of the elastic tube.
7. mitral valve according to claim 5 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, the elastic tube is elastic tube made of medical grade silicon rubber.
8. mitral valve according to claim 1 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, the valve frame also has a pair of symmetrically arranged projection portion, for installing a pair of leaflet.
9. mitral valve according to claim 8 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, the interior cross section of the tubular portion is circle,
There are two groups of limiting groove groups being symmetrical set along the diameter of the tubular portion on the inner wall of the projection portion,
Limiting groove group described in every group includes two limiting grooves for installing a piece of leaflet.
10. mitral valve according to claim 9 replaces mechanical prosthetic valve on manually ring, it is characterised in that：
Wherein, there is the every leaflet straight flange and arc side, the straight flange to be connect with the arc side,
The both ends of the straight flange are respectively provided with a convex block,
Two limits that two convex blocks of the every leaflet are separately mounted in limiting groove group described in one group are recessed
In slot so that the leaflet can be rotated along the straight flange of the leaflet,
The straight flange of the every leaflet is more than the inside radius of the tubular portion to the maximum distance of the arc side of the leaflet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205222.5A CN108451670A (en) | 2018-03-13 | 2018-03-13 | A kind of mitral valve replaces mechanical prosthetic valve on manually ring |
| CN201910186170.6A CN109771099B (en) | 2018-03-13 | 2019-03-12 | Mechanical valve on artificial ring for replacing mitral valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810205222.5A CN108451670A (en) | 2018-03-13 | 2018-03-13 | A kind of mitral valve replaces mechanical prosthetic valve on manually ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108451670A true CN108451670A (en) | 2018-08-28 |
Family
ID=63217353
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810205222.5A Pending CN108451670A (en) | 2018-03-13 | 2018-03-13 | A kind of mitral valve replaces mechanical prosthetic valve on manually ring |
| CN201910186170.6A Active CN109771099B (en) | 2018-03-13 | 2019-03-12 | Mechanical valve on artificial ring for replacing mitral valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910186170.6A Active CN109771099B (en) | 2018-03-13 | 2019-03-12 | Mechanical valve on artificial ring for replacing mitral valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967043A (en) * | 2021-10-27 | 2022-01-25 | 邹承伟 | Automatic implantation device of artifical mitral valve exempts from to sew up |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5360014A (en) * | 1993-11-10 | 1994-11-01 | Carbomedics, Inc. | Sizing apparatus for heart valve with supra annular suture ring |
| US6007577A (en) * | 1995-06-07 | 1999-12-28 | St. Jude Medical, Inc. | Prosthetic heart valve with increased valve lumen |
| CN2605828Y (en) * | 2003-01-21 | 2004-03-10 | 北京思达医用装置有限公司 | Artificial double leave heart valve with cotylic rotary joint |
| CN2635047Y (en) * | 2003-06-19 | 2004-08-25 | 上海长海医院 | All carbon bifolium artificial mechanical heart valve |
| CN2681703Y (en) * | 2004-02-24 | 2005-03-02 | 西南交通大学 | Double-valve type heart valve prosthesis |
| CN201079458Y (en) * | 2006-11-21 | 2008-07-02 | 北京航天卡迪技术开发研究所 | Improved double leaf mechanical valve |
| CN100581505C (en) * | 2007-03-02 | 2010-01-20 | 北京思达医用装置有限公司 | Bicuspid valve general purpose type double leaf artificial heart valve |
| CN201324302Y (en) * | 2008-12-26 | 2009-10-14 | 兰州兰飞医疗器械有限公司 | Pure pyrolytic carbon double-leaf type heart valve prosthesis |
| CN203736349U (en) * | 2013-12-12 | 2014-07-30 | 宁波健世生物科技有限公司 | Novel aorta valve stent |
| CN210903510U (en) * | 2018-03-13 | 2020-07-03 | 唐杨烽 | Artificial ring-on-mechanical valve for replacing mitral valve |
-
2018
- 2018-03-13 CN CN201810205222.5A patent/CN108451670A/en active Pending
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- 2019-03-12 CN CN201910186170.6A patent/CN109771099B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967043A (en) * | 2021-10-27 | 2022-01-25 | 邹承伟 | Automatic implantation device of artifical mitral valve exempts from to sew up |
| CN113967043B (en) * | 2021-10-27 | 2024-01-12 | 邹承伟 | Suture-free auxiliary implantation device for artificial mitral valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109771099A (en) | 2019-05-21 |
| CN109771099B (en) | 2023-09-22 |
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Application publication date: 20180828 |