CN203195800U - Bicuspid valve forming ring - Google Patents
Bicuspid valve forming ring Download PDFInfo
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- CN203195800U CN203195800U CN 201320089951 CN201320089951U CN203195800U CN 203195800 U CN203195800 U CN 203195800U CN 201320089951 CN201320089951 CN 201320089951 CN 201320089951 U CN201320089951 U CN 201320089951U CN 203195800 U CN203195800 U CN 203195800U
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Abstract
The utility model provides a bicuspid valve forming ring. The bicuspid valve forming ring comprises a ring body, wherein the ring body is a sealed ring body which is formed by a front ring section, a rear ring section, a left ring section and a right ring section in an integral mode, a plurality of soft sections and a plurality of rigid sections are arranged on the ring body in the circumferential direction in an alternating mode, and the rigid sections are located on the front ring section and on the rear ring section. Preferably, the bicuspid valve forming ring is a saddle-shaped forming ring. The bicuspid valve forming ring has the advantages of being simple, reasonable and compact in structure, capable of overcoming the defects in the prior art, and capable of achieving effecting locking of bicuspid valve leaves and moving periodically and coordinately along with heartbeat when the bicuspid valve forming ring is used for a bicuspid valve forming operation .
Description
Technical field
This utility model relates to medical device technology, relates in particular to a kind of mitral valvuloplasty ring.
Background technology
Mitral lesion is common valve disorder in the cardiac valve surgical intervention field, and Bicuspid valve accounts for more than 50% of the overall case of cardiac valve surgical operation unusually according to incompletely statistics.The mitral valve repair operation is one of important method of surgical valve treatment mitral lesion; can keep normal mitral valve apparatus with respect to artificial valve replacement; make the patient possess better cardiac function; obviously reduce the perioperative postoperative complication, the protection patient obtains better nearly long-dated survival quality and long term survival rate.Improvement and progress along with the surgical valve technology.The plastic surgery for mitral valve ratio rises year by year, and its subject range reaches more than 30% of Bicuspid valve operation, and American-European developed country ratio is higher.
The artificial mitral valve forming ring is to finish the indispensable device of mitral valvuloplasty operation, the implantation of artificial mitral valve forming ring is the important means that guarantees in the mitral valve repair operation pathological changes mitral valvuloplasty ring to be reinvented and kept normal shape and profile, also is the important assurance that embodies mitral valvuloplasty operation quality.
Existing mitral valvuloplasty ring mainly contains two kinds of stiffening ring and flexible ring.The stiffening ring material is harder, and is not flexible, can't realize the coordination exercise with cardiac cycle.Different with stiffening ring, the flexible ring of being made by polyester fiber is easy to bending, can allow the mitral valvuloplasty ring along with heart contraction and diastole, is unfavorable for the effectively moulding of mitral effective locking and annulus of mitral valve but the flexible ring material is soft excessively.In order to overcome the above-mentioned defective of single stiffening ring and flexible ring, the associative ring that researcher a kind of compliant section of having attempted utility model and rigid section have been arranged, be 92232799.8 as the patent No., patent name is plasticity mitral valvuloplasty ring, discloses a kind of forming ring, being similar to oval-shaped ring support by one forms, support divides two parts, locates to be hard rack near big valve (frontal lobe), is made by the rustless steel that elasticity is good, little valve (posterior lobe) is located to be soft support, is made by medical dacron.This plasticity mitral valvuloplasty ring just can not half the single flexible ring of solution and the defective of stiffening ring.But the motion of physiology annulus of mitral valve in cardiac cycle is very complicated, be multi-angle, multi-faceted motion, the track difference of each autokinesis of the left and right ring section of forward and backward ring Duan Yuhou ring of physiology annulus of mitral valve, and the forward and backward and side-to-side movement of physiology annulus of mitral valve has showed tangible symmetrical harmony.Above-mentioned plasticity mitral valvuloplasty ring does not meet the physiological movement rule of annulus of mitral valve, still can't realize with cycle coordination exercise aroused in interest.
Design and research and development are the mitral valvuloplasty ring more reasonably, realizes with cycle coordination exercise aroused in interest when guaranteeing the effective locking of mitral valve leaflet, becomes a problem demanding prompt solution.
The utility model content
The purpose of this utility model is, with periodic movement problem of disharmony aroused in interest, proposes a kind of mitral valvuloplasty ring at above-mentioned existing mitral valvuloplasty ring, is applied in the mitral valvuloplasty prosthesis, can be with cycle coordination exercise aroused in interest.
For achieving the above object, the technical solution adopted in the utility model is: a kind of mitral valvuloplasty ring, comprise ring body, ring section, back ring section, left side ring section and the integrally formed sealing ring body of right ring section before this ring body is served as reasons, this ring body is arranged at intervals with a plurality of soft section and hard sections along the periphery direction.
Further, described hard section is positioned at preceding ring section and the back ring section of ring body.
Further, described mitral valvuloplasty ring is shape of a saddle forming ring.
Further, in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is preceding ring section, and lower arcuate convex is back ring section; Two depression sections of described shape of a saddle forming ring are respectively left side ring section and right ring section; Ring section and back ring section are the hard section before described, and described left side ring section and right ring section are soft section.
Further, in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is preceding ring section, and lower arcuate convex is back ring section; Two of described shape of a saddle forming ring depression sections are respectively left side ring section and right ring section, are respectively arranged with linkage section between ring section, left side ring section, back ring section and the right ring section before described; Ring section, left side ring section, back ring section and right ring section are the hard section before described, and described linkage section is soft section.
Further, described soft section is adopted the different memorial alloy of braiding degree of rarefication to make with the hard section.Further, weave cotton cloth for medical silicon strip or medical terylene for described soft section, described hard section is titanium alloy.
Further, described soft section and hard section respectively are two, or described soft section and hard section respectively are four.
Further, described ring body is coated with medical dacron fabric.
Further, before ring section and back ring section are provided with and can regulate before described the ring section and after encircle the adjusting line of intersegmental distance.
Further, described adjusting line is one, be provided with two through wires holes symmetrically on the ring section before described, be that last two through wires holes of described preceding ring section equate apart from a preceding distance of encircling section peak, the peak of described back ring section is provided with a through wires hole, regulate the line activity and be located in two through wires holes of leading portion ring, two ends regulating line pass from the through wires hole of back ring section.
Further, last two through wires holes of described preceding ring section are 1-3mm apart from the distance of preceding ring section peak.
Further, described adjusting line is two, the peak of described back ring section is provided with a through wires hole, described two ends of regulating line are fixed on respectively on the preceding ring section symmetrically, the point of ring section was fixing point before described two adjusting lines were fixed on, described fixing point equates apart from the distance of preceding ring section peak, regulates lines and passes from the through wires hole of back ring section away from an end of preceding ring section for described two.
Further, described fixing point is 1-3mm apart from the distance of preceding ring section peak.
Further, described adjusting line is the Gore-Tex line.
This utility model mitral valvuloplasty ring structure is simple, reasonable, compact, and this mitral valvuloplasty ring meets the physiological structure of heart, can realize the coordination exercise with the cycle aroused in interest when guaranteeing the effective locking of mitral valve leaflet.In addition, the adjusting line of intersegmental distance was encircled in ring section and back before pro-ring section and back ring section were provided with and can regulate, can guarantee the involutory height of Bicuspid valve front and back leaf lobe edge.
Description of drawings
Fig. 1 is the axonometric chart of shape of a saddle forming ring;
Fig. 2 is the structural representation of embodiment 1 described mitral valvuloplasty ring;
Fig. 3 is embodiment 2 described mitral valvuloplasty ring structure sketch maps;
Fig. 4 is embodiment 3 described mitral valvuloplasty ring structures.
The specific embodiment
The utility model discloses a kind of mitral valvuloplasty ring that the pathological changes annulus of mitral valve is normal physiological shape and profile of reinventing, be used for the surgical intervention of clinical mitral incompetence, this mitral valvuloplasty ring comprises ring body, ring section, back ring section, left side ring section and the integrally formed sealing ring body of right ring section before this ring body is served as reasons, this ring body is arranged at intervals with a plurality of soft section and a plurality of hard sections for sealing ring body, this ring body along the periphery direction.Consider the characteristics of motion of mitral valvuloplasty ring in the mitral valvuloplasty prosthesis, described soft section and hard section respectively are two or respectively are four and are advisable.Described hard section is positioned at preceding ring section and the back ring section of ring body.
This utility model mitral valvuloplasty ring can be selected conventional planar-formed ring for use or have the shape of a saddle forming ring of three dimensional structure.The ring body shape of described shape of a saddle forming ring for example can be called " valve forming ring that is used for mitral valve prolapse " disclosed forming ring with reference to publication number CN101374478A, utility model name.
In the embodiment of the present utility model, described mitral valvuloplasty ring has shape of a saddle profile, can adopt the four-part form design: in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is preceding ring section, and lower arcuate convex is back ring section; Two depression sections of described shape of a saddle forming ring are respectively left side ring section and right ring section; Ring section and back ring section are the hard section before described, and described left side ring section and right ring section are soft section.
In the embodiment of the present utility model, described mitral valvuloplasty ring has shape of a saddle profile, also can adopt the design of eight segmentations: in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is preceding ring section, and lower arcuate convex is back ring section; Two of described shape of a saddle forming ring depression sections are respectively left side ring section and right ring section, described before the intersegmental linkage section that is provided with of adjacent ring of ring section, left side ring section, back ring section and right ring section, described linkage section length is 5-8mm; Ring section, left side ring section, back ring section and right ring section are the hard section before described, and described linkage section is soft section.
The ring body of mitral valvuloplasty ring of the present utility model forms with the setting of hard spacer segment by soft section, should be appreciated that described soft section " soft " with the hard section is relative with " firmly ", that is, soft section hardness is less than the hardness of hard section.The material that can select two kinds of hardness there are differences from any material of present manufacturing mitral valvuloplasty ring is made mitral valvuloplasty ring of the present utility model.Soft section and hard section can adopt the material of different soft and hard degree to be prepared respectively, and soft section is adopted medical silicon strip or medical terylene to weave cotton cloth as described, and described hard section adopts titanium alloy; Soft section also can be adopted braiding degree of rarefication different memorial alloy to make with the hard section, and it is less to weave more sparse memorial alloy hardness, and it is bigger to weave more closely knit memorial alloy hardness.
In the embodiment of the present utility model, described ring body is outer can be coated with medical dacron fabric.
Fig. 1 is the axonometric chart of shape of a saddle forming ring among the embodiment of the present utility model, its profile that projects to the plane is identical with the mitral valvuloplasty ring that uses at present, in two arcuate convex of this shape of a saddle forming ring, higher arcuate convex is preceding ring section, lower arcuate convex is back ring section, the distance that section peak P is encircled in preceding ring section peak A and back is the minor axis of mitral valvuloplasty ring, two depression sections of shape of a saddle forming ring are respectively left side ring section and right ring section, and the minimum point of left side ring section depression curvature is that the minimum point of L, right ring section depression curvature is R; Distance between the identification point C2 that the identification point C1 that has a common boundary before the left side ring section indication Bicuspid valve and right ring section indication PM have a common boundary is the major axis of mitral valvuloplasty ring, and described minor axis is 3:4 with the ratio of major axis; And between the plane that the minimum point R of the minimum point L of the plane that the minimum point R of the minimum point L of the peak A of the preceding ring section of mitral valvuloplasty ring, left side ring section and right ring section forms and back ring section peak P, left side ring section and right ring section forms angle (140～150 degree) is arranged.
This utility model mitral valvuloplasty ring is arranged at intervals with a plurality of soft section and hard sections along the periphery direction, the motion of mitral valvuloplasty ring is divided into four moving cells in front, rear, left and right, forward and backward moving cell motion symmetry is consistent, left and right moving cell motion symmetry is consistent, total track and left and right moving cell move but forward and backward moving cell moves, and different (ring section and back ring section are downwards to intrinsic displacement before the paradoxical expansion, and left side ring section and right ring section are upwards to intrinsic displacement for total track; Ring section and back ring section are upwards to outer displacement before the diastole, and left side ring section and right ring section are upwards to outer displacement).Described four moving cell structures meet or the characteristics of each cardiac cycle coordination exercise that annulus of mitral valve can be beaten with heart when having simulated physiological status.
In this utility model, the forming ring of " four sections " ring section or " eight sections " ring segment structure, realized mitral valvuloplasty ring pro-, back and left, part the activity space separately that does not form four main ring sections because of the difference of material hardness on the right side, it is the curvature of keeping mitral valvuloplasty ring simulation physiological annulus of mitral valve saddle structure that soft section of the mitral valvuloplasty ring or hard section mainly act on, soft section then echo to form the motor pattern that the mitral valvuloplasty ring is tending towards physiological mitral annular motion mode and requirement with the hard section, each cardiac cycle coordination exercise that this utility model mitral valvuloplasty ring can be beaten with heart.
In the concrete scheme of the present utility model, also be provided with on ring section and the back ring section before described ring section before regulating and after encircle the adjusting line of intersegmental distance, regulate ring section and back ring section before line tractive by this, ring section and the intersegmental distance of back ring before adjusting, and then adjust the involutory height of leaf lobe edge before and after the Bicuspid valve.This adjusting line has the mitral valvuloplasty of making ring and possesses the involutory area of lobe leaf of reinforcement and keep the involutory function of lobe leaf at a specified future date.
Regulate line and can adopt following method setting: when the adjusting line is one, be provided with two through wires holes symmetrically on the ring section before described, namely two through wires holes are equal apart from the distance of preceding ring section peak, the peak of described back ring section is provided with a through wires hole, regulate the line activity and be located in two through wires holes of leading portion ring, two ends regulating line pass from the through wires hole of back ring section.Last two through wires holes of ring section are 1-3mm apart from the distance of preceding ring section peak before described.
When the adjusting line is two, the peak of described back ring section is provided with a through wires hole, described two ends of regulating line are fixed on respectively on the preceding ring section symmetrically, the point of ring section was fixing point before described two adjusting lines were fixed on, two fixing points equate that apart from the distances of preceding ring section peaks described two other ends (away from an end of preceding ring section) of regulating lines pass from the through wires hole of back ring section.Described fixing point is 1-3mm apart from the distance of preceding ring section peak.
Adjusting line described in the utility model adopts but is not limited to the Gore-Tex line, and main component is politef polytetraflouroethylene, abbreviation PTFE.
Regulate the using method of line: after finishing artificial ring routine operation method implantation, the adjusting line that pull passes from back ring section through wires hole, tractive (shortening) is regulated the distance between the line adjustment mitral valvuloplasty ring section, make the involutory degree of depth of lobe leaf and involutory area reach after the satisfaction that to pass the ring section knotting at position fixing regulating line, regulate line and stay in body.
Regulating the tight adjustment of taking out that the effect of line: a. regulates line makes before the mitral valvuloplasty ring ring section encircle segment distance with corresponding back to reduce, thereby (the involutory edge degree of depth reaches 8～10mm), enlarges " deposit " theory that obvious person realizes the involutory degree of depth of lobe edge for ventricle can to make the involutory lobe edge degree of depth reach reasonable range; After the mitral valvuloplasty ring was implanted, the involutory area of lobe leaf has reached satisfactory state, the existence of regulating line is still meaningful: regulate line and use then at shape of a saddle forming ring owing to regulate the higher point that line all arises from three-dimensional artificial ring, just fixed the distance of respective rings section after the knotting, then constantly kept artificial ring-saddle shape attitude, the saddle type state also can be maintained in ventricular diastole and the motion of Syst cardiac cycle, and maintaining of saddle type state is beneficial to the buffering ventricular pressure to the impact of lobe body and kept the long term of the effective involutory area of lobe edge.
Be arranged at intervals with a plurality of soft section and hard sections on the periphery of this utility model mitral valvuloplasty ring, the motion of mitral valvuloplasty ring can be divided into a plurality of moving cells, can be with cycle coordination exercise aroused in interest; And by the adjusting line that can regulate the involutory degree of depth of Bicuspid valve front and back leaf is set, be conducive to further recover the involutory area of normal Bicuspid valve front and back leaf, rational involutory area is the bring into normal play sign of bicuspid valve physiologic function of Bicuspid valve, also is the important foundation of keeping operative effect steady in a long-term.
Fig. 2 is the structural representation of embodiment 1 described mitral valvuloplasty ring.
Present embodiment discloses a kind of mitral valvuloplasty ring that the pathological changes annulus of mitral valve is normal physiological shape and profile of reinventing, as shown in Figure 2, this mitral valvuloplasty ring comprises ring body, the sealing ring body that ring section 1 before this ring body is served as reasons, back ring section 2, left side ring section 3 and right ring section 4 are integrally formed, particularly, this ring body is the shape of a saddle forming ring with three dimensional structure of sealing, and this ring body is arranged at intervals with two soft section and two hard sections along periphery.Be that present embodiment mitral valvuloplasty ring has adopted the four-part form design: in two arcuate convex of shape of a saddle forming ring, higher arcuate convex is preceding ring section 1, and lower arcuate convex is back ring section 2; Two depression sections of shape of a saddle forming ring are respectively left side ring section 3 and right ring section 4; It is the hard section that section 2 is encircled in preceding ring section 1 and back, and left side ring section 3 is soft section with right ring section 4.This mitral valvuloplasty ring adopts medical silicon strip for soft section, and the hard section adopts titanium alloy.Ring body is coated with medical dacron fabric.
Before the distance of ring section 1 peak A and back ring section 2 peak P be minor axis, the identification point C1 that has a common boundary before the left side ring section indication Bicuspid valve is major axis to the distance of the identification point C2 that right ring section indication PM has a common boundary, minor axis is 3:4 with the ratio of major axis.There is angle (150 degree) on the plane that the minimum point L of the plane that the minimum point L of the peak A of the preceding ring section 1 of mitral valvuloplasty ring, left side ring section 3 and the minimum point R of right ring section 4 form and back ring section 2 peak P, left side ring section 3 and the minimum point R of right ring section 4 form.
Be applied in the clinical mitral valvuloplasty prosthesis each cardiac cycle coordination exercise that this mitral valvuloplasty ring can be beaten with heart: downwards to intrinsic displacement, left side ring section and right ring section are upwards to intrinsic displacement as ring section before the heart systole and back ring section; Ring section and back ring section are upwards to outer displacement before the diastole, and left side ring section and right ring section are upwards to outer displacement.
The disclosed mitral valvuloplasty ring of present embodiment is the closed hoop that hard ring section and soft ring section arrange each other at interval, makes loopful possess the performance of four moving cell symmetries coordination exercise, is beneficial to the coordination exercise of realization with the cycle aroused in interest.The disclosed mitral valvuloplasty ring of present embodiment is more conducive to show the physiology saddle plastotype of keeping cardiac cycle kinestate hypovalve ring by saddle type ring and design soft, hard segment structure, coordination exercise and the multi-functional characteristics of taking into account of the assurance involutory quality of lobe leaf.
Fig. 3 is embodiment 2 described mitral valvuloplasty ring structure sketch maps.
Present embodiment discloses a kind of mitral valvuloplasty ring that the pathological changes annulus of mitral valve is normal physiological shape and profile of reinventing, as shown in Figure 3, this mitral valvuloplasty ring comprises ring body, the sealing ring body that ring section 1 before this ring body is served as reasons, back ring section 2, left side ring section 3 and right ring section 4 are integrally formed, particularly, this ring body is the shape of a saddle forming ring with three dimensional structure of sealing, and this ring body is arranged at intervals with four soft section and four hard sections along the periphery direction.In two arcuate convex of shape of a saddle forming ring, higher arcuate convex is preceding ring section 1, and lower arcuate convex is back ring section 2; Two of shape of a saddle forming ring depression sections are respectively left side ring section 3 and right ring section 4, described before the intersegmental linkage section 5 that is respectively arranged with of adjacent ring in ring section 1, left side ring section 3, back ring section 2 and the right ring section 4, linkage section length is 6mm; Before ring section 1, left side ring section 3, back ring section 2 and right ring section 4 be the hard section, linkage section 5 is soft section.
This mitral valvuloplasty ring is surrounded by hollow out tube type material in the whole memorial alloy, hard softness requirement according to each ring section, by adjusting the different difference that realize each ring section motion amplitude of processing hollow out density, the memorial alloy hardness that hollow out is bigger is less, and the less memorial alloy hardness of hollow out is bigger.
The described ring body of present embodiment also is coated with dacron fabric outward.
Before the distance of ring section 1 peak A and back ring section 2 peak P be minor axis, the identification point that has a common boundary before the left side ring section indication Bicuspid valve is major axis to the distance of the identification point that right ring section indication PM has a common boundary, minor axis is 3:4 with the ratio of major axis.There is angle (140 degree) on the plane that the minimum point L of the plane that the minimum point L of the peak A of the preceding ring section 1 of mitral valvuloplasty ring, left side ring section 3 and the minimum point R of right ring section 4 form and back ring section 2 peak P, left side ring section 3 and the minimum point R of right ring section 4 form.
This utility model mitral valvuloplasty ring is arranged at intervals with four soft section and four hard sections along the periphery direction, each the cardiac cycle coordination exercise that can beat with heart: ring section 1 and back ring section 2 are downwards to intrinsic displacement before the paradoxical expansion, and left side ring section 3 and right ring section 4 are upwards to intrinsic displacement; Ring section 1 and back ring section 2 are upwards to outer displacement before the diastole, and left side ring section 3 and right ring section 4 are upwards to outer displacement.
The periphery direction of present embodiment mitral valvuloplasty ring is arranged at intervals with a plurality of soft section and hard sections, the artificial ring of Bicuspid valve is divided into preceding ring section 1, back ring section 2, left side ring section 3 and more than 4 moving cell of right ring section, the angle of the little arc curvature in the arc curvature of artificial preceding ring and ring stage casing, back and preceding plane of a loop and back plane of a loop shape, design has realized that artificial ring keeps physiology " saddle " shape attitude, possess the short major axis 3:4 of artificial ring physiology ratio and can realize that the artificial mitral valve forming ring is with the multinomial function speciality of cycle coordination exercise aroused in interest, embodied the advantage that this Bicuspid valve manually encircles tool physiological annulus of mitral valve trend, be applied in the clinical mitral valvuloplasty prosthesis, can be with cycle coordination exercise aroused in interest.
Fig. 4 is embodiment 3 described mitral valvuloplasty ring structures.
The disclosed mitral valvuloplasty ring of present embodiment is substantially the same manner as Example 2, the adjusting line 6 of ring section 1 and back ring section 2 spacings before the preceding ring section 1 of the disclosed mitral valvuloplasty ring of present embodiment and back ring section 2 are provided with and can regulate as different from Example 2, as shown in Figure 4, regulating line 6 in the present embodiment is a Gore-Tex line, be provided with two through wires holes symmetrically on the preceding ring section 1, two through wires holes are 2mm apart from the preceding distances of encircling section 1 peaks on the preceding ring section 1, the peak of back ring section 2 is provided with a through wires hole, regulate line 6 activities and be located in two through wires holes of leading portion ring 1, two ends regulating line 6 pass from the through wires hole of back ring section 2.
Regulate the using method of line 6: after finishing artificial ring routine operation method implantation, the adjusting line that pull passes from back ring section through wires hole, tractive (shortening) is regulated the distance between the line 6 adjustment mitral valvuloplasty ring sections, make the involutory degree of depth of lobe leaf and involutory area reach after the satisfaction that to pass the ring section knotting at position fixing regulating line 6, regulate line 6 and stay in body.
This utility model is not limited to the described mitral valvuloplasty ring of above-described embodiment, the change of soft section and/or hard section material, and the change of soft section and/or hard hop count amount is all within protection domain of the present utility model.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although have been described in detail with reference to this utility model of aforementioned each embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of this utility model.
Claims (15)
1. a mitral valvuloplasty ring comprises ring body, and ring section, back ring section, left side ring section and the integrally formed sealing ring body of right ring section is characterized in that this ring body is arranged at intervals with a plurality of soft section and hard sections along the periphery direction before this ring body was served as reasons.
2. mitral valvuloplasty ring according to claim 1 is characterized in that, described hard section is positioned at preceding ring section and the back ring section of ring body.
3. according to claim 1 or 2 described mitral valvuloplasty rings, it is characterized in that described mitral valvuloplasty ring is shape of a saddle forming ring.
4. according to the described mitral valvuloplasty ring of claim 3, it is characterized in that in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is preceding ring section, lower arcuate convex is back ring section; Two depression sections of described shape of a saddle forming ring are respectively left side ring section and right ring section; Ring section and back ring section are the hard section before described, and described left side ring section and right ring section are soft section.
5. according to the described mitral valvuloplasty ring of claim 3, it is characterized in that in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is preceding ring section, lower arcuate convex is back ring section; Two of described shape of a saddle forming ring depression sections are respectively left side ring section and right ring section, are respectively arranged with linkage section between ring section, left side ring section, back ring section and the right ring section before described; Ring section, left side ring section, back ring section and right ring section are the hard section before described, and described linkage section is soft section.
6. according to any described mitral valvuloplasty ring of claim 1-5, it is characterized in that described soft section is adopted the different memorial alloy of braiding degree of rarefication to make with the hard section.
7. according to any described mitral valvuloplasty ring of claim 1-5, it is characterized in that weave cotton cloth for medical silicon strip or medical terylene for described soft section, described hard section is titanium alloy.
8. according to the described mitral valvuloplasty ring of claim 1, it is characterized in that described soft section and hard section respectively are two, or described soft section and hard section respectively are four.
9. according to any described mitral valvuloplasty ring of claim 1-5, it is characterized in that described ring body is coated with medical dacron fabric.
10. according to the described mitral valvuloplasty ring of claim 1-5, it is characterized in that, described before ring section and back ring section be provided with can regulate before the ring section and after encircle the adjusting line of intersegmental distance.
11. according to the described mitral valvuloplasty ring of claim 10, it is characterized in that, described adjusting line is one, be provided with two through wires holes symmetrically on the ring section before described, the peak of described back ring section is provided with a through wires hole, the activity of described adjusting line is located in two through wires holes of leading portion ring, and two ends of described adjusting line pass from the through wires hole of back ring section.
12., it is characterized in that last two through wires holes of described preceding ring section are 1-3mm apart from the distance of preceding ring section peak according to the described mitral valvuloplasty ring of claim 11.
13. according to the described mitral valvuloplasty ring of claim 10, it is characterized in that, described adjusting line is two, the peak of described back ring section is provided with a through wires hole, encircle on the section before one end of two described adjusting lines is fixed on respectively symmetrically, the point of ring section was fixing point before two described adjusting lines were fixed on, and two described adjusting lines pass from the through wires hole of back ring section away from an end of preceding ring section.
14., it is characterized in that described fixing point is 1-3mm apart from the distance of preceding ring section peak according to the described mitral valvuloplasty ring of claim 13.
15., it is characterized in that described adjusting line is the Gore-Tex line according to the described mitral valvuloplasty ring of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089951 CN203195800U (en) | 2013-02-27 | 2013-02-27 | Bicuspid valve forming ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089951 CN203195800U (en) | 2013-02-27 | 2013-02-27 | Bicuspid valve forming ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203195800U true CN203195800U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320089951 Withdrawn - After Issue CN203195800U (en) | 2013-02-27 | 2013-02-27 | Bicuspid valve forming ring |
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| CN (1) | CN203195800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104010593A (en) * | 2013-07-29 | 2014-08-27 | 金仕生物科技（常熟）有限公司 | Heart Valve Prosthesis Forming Ring |
| CN104000671A (en) * | 2013-02-27 | 2014-08-27 | 金仕生物科技（常熟）有限公司 | Mitral valve forming ring |
-
2013
- 2013-02-27 CN CN 201320089951 patent/CN203195800U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000671A (en) * | 2013-02-27 | 2014-08-27 | 金仕生物科技（常熟）有限公司 | Mitral valve forming ring |
| CN104000671B (en) * | 2013-02-27 | 2016-07-06 | 金仕生物科技（常熟）有限公司 | Mitral valve forming ring |
| CN104010593A (en) * | 2013-07-29 | 2014-08-27 | 金仕生物科技（常熟）有限公司 | Heart Valve Prosthesis Forming Ring |
| WO2015013861A1 (en) * | 2013-07-29 | 2015-02-05 | 金仕生物科技（常熟）有限公司 | Artificial heart valvuloplasty ring |
| CN104010593B (en) * | 2013-07-29 | 2016-05-25 | 金仕生物科技（常熟）有限公司 | Artificial heart valve forming ring |
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