CN203263588U - Adjustable artificial valve ring - Google Patents
Adjustable artificial valve ring Download PDFInfo
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- CN203263588U CN203263588U CN 201320089952 CN201320089952U CN203263588U CN 203263588 U CN203263588 U CN 203263588U CN 201320089952 CN201320089952 CN 201320089952 CN 201320089952 U CN201320089952 U CN 201320089952U CN 203263588 U CN203263588 U CN 203263588U
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Abstract
The utility model provides an adjustable artificial valve ring. The adjustable artificial valve ring comprises a ring body, wherein an adjusting line used for adjusting space between ring sections is arranged on the ring body. The adjustable artificial valve ring has a simple, reasonable and compact structure, overcomes numerous disadvantages of the prior art, can realize valve leaflet apposition level adjustment and maintenance in valve repairing operation by adjusting the space between the ring sections after being implanted, and is beneficial to keeping good treatment effect for a long time.
Description
Technical field
This utility model relates to medical device technology, relates in particular to a kind of adjustable artificial valve's ring.
Background technology
The basis of heart Bicuspid valve and Tricuspid valve closure function is mutually to be close to lobe leaf lobe edge enough mutual involutory degree of depth (enough involutory areas) are arranged, so investigate the standard of the final therapeutic effect of heart Bicuspid valve and Tricusp Valvuloplasty operation is: whether complete the recovery of the involutory area of effective lobe leaf and to keeping in long term of effective involutory area of completing thus.
In the pathology evolution of heart Bicuspid valve and tricuspid incompetence, all occur causing the overload state of left ventricle or right ventricle to left atrium or right atrium because incompetence produces blood reflux, then show as the expansion of left ventricle or right ventricle, the expansion of ventricle must be accompanied by the dystopy of textural anomaly under lobe leaf lobe such as papillary muscles etc., and this is cardiac remodeling performance that most of patients all must present before operation.Existing heart Bicuspid valve and Tricusp Valvuloplasty operation can be corrected the incompetence of pathological changes lobe leaf and be recovered the involutory function of normal lobe leaf when operation, but the fact that should face is, the involutory area of lobe leaf that plastic operation recovers is result at once, the recovery that the ventricle that produces because of ventricle overload before art enlarges is irrealizable when the operation perioperative often, during operation and after operation under the expansion of ventricle in a short time and lobe the abnormal situation of structure (as the papillary muscles dystopy) still exist.the involutory area of lobe leaf of existing heart Bicuspid valve and Tricusp Valvuloplasty surgery recovery be still have ventricle to enlarge and lobe leaf lobe under structure do not recover the involutory area of lobe leaf under physiological status fully, continuity along with the time after operation, the ventricle overload disappears and makes the ventricle of expansion dwindle gradually, and then structure (being mainly papillary muscles) dystopy alleviating and eliminating gradually under lobe leaf lobe, such result can cause showing decline at the be shaped involutory area of lobe leaf that formed at that time of surgical repair because the papillary muscles return makes chordae tendineae the relative prolongation phenomenon that operation compared at that time occur, that is to say that the involutory area of valve when valve repair and plastic operation should require larger than the involutory area of normal physiological valve, relatively extend involutory area that phenomenon causes and descend and be of value to the guarantee of the involutory function of valve at a specified future date to occur chordae tendineae after reply operation, the involutory area of valve " deposit " theory of clinical department of cardiac surgery valve repair plastic operation that Here it is.
Therefore, the involutory degree of depth of lobe leaf of completing when the operation of heart Bicuspid valve and Tricusp Valvuloplasty and area easily due to operation after 3～June ventricle dwindle with lobe leaf lobe under the improvement of textural anomaly degree, the decline of the involutory degree of depth of lobe leaf and involutory area and the complanation that becomes of artificial valve's ring (shape of a saddle) occur and change.Its result make heart Bicuspid valve and Tricusp Valvuloplasty operation posterior valve leaflet especially the direct ventricular pressure skewness weighing apparatus that bears of lobe edge part obviously increase, Bicuspid valve zona and Tricuspid valve zona plastotype function reduction and weakened guarantee to the effective involutory degree of depth of lobe leaf have affected the late result of valve repair plastic operation.
Design and research and development are artificial valve's ring more reasonably, assurance pathological changes lobe ring is performed the operation the plastotype rectification by the prosthetic valve ring when, keep the effective involutory area of artificial valve's lobe leaf when encircling physiology configuration trend and Bicuspid valve or Tricuspid valve operation, to ensure good surgical result at a specified future date, become a problem demanding prompt solution.
The utility model content
The purpose of this utility model is, can't adjust the involutory area of lobe leaf and lack the problem that the involutory area of lobe leaf ensures of keeping at a specified future date for above-mentioned existing artificial valve's ring, propose a kind of adjustable artificial valve's ring, keep to realize the long term that guarantees the involutory area of effective lobe leaf and effective involutory area.
For achieving the above object, the technical solution adopted in the utility model is: a kind of adjustable artificial valve's ring, comprise ring body, and be provided with the adjusting line for the intersegmental distance of adjustable ring on this ring body.Described ring body is mitral valve forming ring or Tricusp Valvuloplasty ring.
Further, described ring body is mitral valve forming ring, is provided with on this ring body for the adjusting line of regulating front ring section and the intersegmental distance of rear ring.
Further, described mitral valve forming ring is shape of a saddle forming ring, and in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section.
Further, described artificial valve's ring is mitral valve forming ring, described adjusting line is one, be provided with symmetrically two through wires holes on described front ring section, the peak of described rear 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 rear ring section.Preferably, upper two through wires holes of described front ring section are 1-3mm apart from the distance of front ring section peak.
Further, described artificial valve's ring is mitral valve forming ring, described adjusting line is two, the peak of described rear ring section is provided with a through wires hole, one end of two described adjusting lines is fixed on respectively on front ring section symmetrically, the point that two described adjusting lines are fixed on front ring section is fixing point, and two described adjusting lines pass from the through wires hole of rear ring section away from an end of front ring section.Preferably, described fixing point is 1-3mm apart from the distance of front ring section peak.
Further, described ring body is the Tricusp Valvuloplasty ring, described Tricusp Valvuloplasty ring serve as reasons front ring section, rear ring section and the integrally formed ring body with opening of spacer ring section, described rear ring section is arranged between leading portion ring and compartment ring, is provided with the adjusting line for ring section and the intersegmental distance of spacer ring before regulating on this ring body.
Further, described artificial valve's ring is the Tricusp Valvuloplasty ring, described adjusting line is one, be provided with two through wires holes on described front ring section, be provided with a through wires hole on described spacer ring section, 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 spacer ring section.Upper two through wires holes of preferred described front ring section are positioned at 1/3 one of front ring Duan Jinhou ring section direction, and the distance of upper two through wires holes of described front ring section is 3-8mm.Through wires hole on described spacer ring section is positioned at the middle part of spacer ring section.Further, described artificial valve's ring is the Tricusp Valvuloplasty ring,
Described adjusting line is two, be provided with a through wires hole on described spacer ring section, one end of two described adjusting lines is separately fixed on front ring section, and it is fixing point that two described adjusting lines are fixed on the front point that encircles section, and two described adjusting lines pass from the through wires hole of spacer ring section away from a front end that encircles section.Upper two fixing points of preferred described front ring section are positioned at 1/3 one of front ring Duan Jinhou ring section direction, and the distance of upper two fixing points of described front ring section is 3-8mm.Through wires hole on described spacer ring section is positioned at the middle part of spacer ring section.
Further, described adjusting line is the Gore-Tex line.
Further, this ring body is arranged at intervals with a plurality of soft section and hard sections along the periphery direction.
Further, in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section; Described front ring section and rear ring section are the hard section, and described left ring section and right ring section are soft section.
Further, described mitral valve forming ring is shape of a saddle forming ring, and in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section, are respectively arranged with linkage section between described front ring section, left ring section, rear ring section and right ring section; Described front ring section, left ring section, rear ring section and right ring section are the hard section, 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; Or described soft section weaved cotton cloth for medical silicon strip or medical terylene, and described hard section is titanium alloy.
The adjustable artificial valve's ring structure of this utility model is simple, reasonable, compact, has the following advantages compared with prior art:
A. regulating the tight adjustment of taking out of line makes adjustable artificial valve encircle front ring section to reduce with corresponding rear ring segment distance, thereby (the involutory edge degree of depth of valve reaches 8～10mm), enlarges for ventricle " deposit " that obvious person realizes the involutory degree of depth of lobe edge can to make the involutory lobe edge degree of depth reach rational scope;
B. after both having made adjustable artificial valve encircle implantation, the involutory area of lobe leaf has reached satisfactory state, the existence of regulating line is still meaningful: take shape of a saddle forming ring as example, regulate line and all be positioned at the three-dimensional artificial higher point of encircling on shape of a saddle forming ring, just fix the distance of respective rings section after knotting, constantly kept artificial ring shape of a saddle state; Shape of a saddle state also can be maintained in ventricular diastole and the motion of Syst cardiac cycle, and maintaining of shape of a saddle 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; Thereby regulating line has also fixed and encircles the long term that intersegmental distance is conducive to the involutory height of lobe leaf or involutory area and keep because regulate line in the application of non-shape of a saddle ring.
Description of drawings
Fig. 1 is the axonometric chart of shape of a saddle forming ring;
Fig. 2 is the described adjustable artificial valve's structure of rings schematic diagram of embodiment 1;
Fig. 3 is the axonometric chart of the described adjustable artificial valve's ring of embodiment 2;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is that adjustable artificial valve encircles adjusting pre-structure schematic diagram;
Fig. 6 is that adjustable artificial valve encircles the rear structural representation of adjusting.
The specific embodiment
The utility model discloses a kind of adjustable artificial valve's ring that diseased heart lobe ring is normal physiological shape and profile of reinventing, be used for the surgical intervention of clinical cardiac valve annulus incompetence, this adjustable artificial valve's ring comprises ring body, is provided with the adjusting line for the intersegmental distance of adjustable ring on this ring body.
In concrete scheme of the present utility model, adjustable artificial valve's ring is mitral valve forming ring or Tricusp Valvuloplasty ring.When adjustable artificial valve's ring was mitral valve forming ring, the intersegmental distance of described ring was the spacing of front ring section and rear ring section, is adjusted to 2～5mm to be advisable; When described adjustable artificial valve was the Tricusp Valvuloplasty ring, the intersegmental distance of described ring was the spacing of front ring section and spacer ring section, is adjusted to 2～5mm and is advisable.
Mitral valve forming ring can be selected conventional planar-formed ring or have the shape of a saddle forming ring of three dimensional structure.Mitral valve forming ring comprises ring body, described ring body serve as reasons front ring section, rear ring section, left ring section and the integrally formed sealing ring body of right ring section.The ring body shape of described shape of a saddle forming ring for example can be called for the disclosed forming ring of the valve forming ring of mitral valve prolapse with reference to publication number CN101374478A, utility model name.In two arcuate convex of this shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section, and two depression sections of shape of a saddle forming ring are respectively left ring section and right ring section.The profile of conventional planar-formed ring is identical with the profile that shape of a saddle forming ring projects to the plane, and the correspondence position of front ring section, rear ring section, left ring section and right ring section is also identical.When the adjustable artificial valve's ring of this utility model was mitral valve forming ring, described adjusting line was used for regulating the spacing of leading portion ring and back segment ring.
When adjustable artificial valve's ring is mitral valve forming ring, regulate line and can adopt following method setting: described adjusting line is one, be provided with symmetrically two through wires holes on described front ring section, be that upper two through wires holes of described front ring section equate apart from the front distance of encircling the section peak, the peak of described rear 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 rear ring section.Upper two through wires holes of front ring section are 1-3mm apart from the distance of front ring section peak.Or adopt two to regulate line, the peak of described rear ring section is provided with a through wires hole, one end of two described adjusting lines is fixed on respectively on front ring section symmetrically, be that described fixing point is equal apart from the distance of front ring section peak, the point that two described adjusting lines are fixed on front ring section is fixing point, and two described adjusting lines pass from the through wires hole of rear ring section away from an end of front ring section.Fixing point is 1-3mm apart from the distance of front ring section peak.
Regulate the using method of line: after adjustable artificial ring routine operation method implantation is completed, the adjusting line that pull passes from rear ring section through wires hole, tractive (shortening) is regulated line and is adjusted the front ring section of mitral valve forming ring and the rear distance of encircling between section, make the involutory degree of depth of lobe leaf and involutory area reach after satisfaction that to pass the ring section knotting at position fixing regulating line, regulate line and stay in body.
Tricusp Valvuloplasty ring serve as reasons front ring section, rear ring section and the integrally formed ring body with opening of spacer ring section, described rear ring section is arranged between leading portion ring and compartment ring, lobe leaf before described front ring section is corresponding, the corresponding posterior valve leaflet of described rear ring section, the corresponding membrane leaves of described compartment ring.When the adjustable artificial valve's ring of this utility model was the Tricusp Valvuloplasty ring, described adjusting line was used for regulating the spacing of leading portion ring and compartment ring.
When adjustable artificial valve's ring is the Tricusp Valvuloplasty ring, regulate line and can adopt following method setting: described adjusting line is one, be provided with two through wires holes on described front ring section, be provided with a through wires hole on described spacer ring section, 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 spacer ring section.Upper two through wires holes of preferred described front ring section are positioned at 1/3 one of front ring Duan Jinhou ring section direction, and the distance of upper two through wires holes of described front ring section is 3-8mm.Through wires hole on described spacer ring section is positioned at the middle part of spacer ring section.
Or adopt two to regulate on the described spacer ring sections of line and be provided with a through wires hole, one end of two described adjusting lines is separately fixed on front ring section, it is fixing point that two described adjusting lines are fixed on the front point that encircles section, and two described adjusting lines pass from the through wires hole of spacer ring section away from a front end that encircles section.Upper two fixing points of preferred described front ring section are positioned at 1/3 one of front ring Duan Jinhou ring section direction, and the distance of upper two fixing points of described front ring section is 3-8mm.Through wires hole on described spacer ring section is positioned at the middle part of spacer ring section.
Regulate the using method of line: after adjustable artificial ring routine operation method implantation is completed, the adjusting line that pull passes from rear ring section through wires hole, tractive (shortening) is regulated line and is adjusted the front distance of encircling between section and spacer ring section of Tricusp Valvuloplasty ring, make the involutory degree of depth of lobe leaf and involutory area reach after satisfaction that to pass the ring section knotting at position fixing regulating line, regulate line and stay in body.
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 effect (take shape of a saddle mitral valve forming ring as example) of line: the tight adjustment of taking out of a. adjusting line makes the front ring section of mitral valve forming ring reduce with corresponding rear ring segment distance, thereby (the involutory edge degree of depth reaches 8～10mm), enlarges for ventricle " deposit " theory that obvious person realizes the involutory degree of depth of lobe edge can to make the involutory lobe edge degree of depth reach rational scope; After mitral valve forming 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 the higher point that all arises from three-dimensional artificial ring due to the adjusting line at shape of a saddle forming ring, just fixed the distance of respective rings section after knotting, constantly kept artificial ring-saddle shape attitude, shape of a saddle state also can be maintained in ventricular diastole and the motion of Syst cardiac cycle, and maintaining of shape of a saddle 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.In addition, thus regulate line and also fixed and encircle the long term that intersegmental distance is conducive to the involutory height of lobe leaf or involutory area and keep because regulate line in the application of non-saddle-shaped ring.
In concrete scheme of the present utility model, when adjustable artificial valve's ring was mitral valve forming ring, this ring body also was arranged at intervals with a plurality of soft section and hard sections along the periphery direction.Consider the characteristics of motion of mitral valve forming ring, described soft section and hard section are respectively two or are respectively four and are advisable.
In embodiment of the present utility model, described mitral valve forming 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 front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section; Described front ring section and rear ring section are the hard section, and described left ring section and right ring section are soft section.
In embodiment of the present utility model, described mitral valve forming ring has shape of a saddle profile, also can adopt eight segmentation designs: in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section, are respectively arranged with linkage section between the adjacent ring section of described front ring section, left ring section, rear ring section and right ring section, and described linkage section length is 5-8mm; Described front ring section, left ring section, rear ring section and right ring section are the hard section, and described linkage section is soft section.
The ring body of mitral valve forming ring 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, the hardness of soft section 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 valve forming ring is made mitral valve forming ring of the present utility model.Soft section can be adopted respectively the material of different soft and hard degree to be prepared with the hard section, 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 the different memorial alloy of braiding degree of rarefication to make with the hard section, weaves more sparse memorial alloy hardness less, weaves more closely knit memorial alloy hardness larger.
In embodiment of the present utility model, described ring body is outer can coat medical dacron fabric.
Fig. 1 is the axonometric chart of shape of a saddle forming ring in an embodiment of the present utility model, in two arcuate convex of this shape of a saddle forming ring, higher arcuate convex is front ring section, lower arcuate convex is rear ring section, the distance of front ring section peak A and rear ring section peak P is the minor axis of mitral valve forming ring, two depression sections of shape of a saddle forming ring are respectively left ring section and right ring section, and the minimum point of left ring section depression curvature is that the minimum point of L and right ring section depression curvature is R; Distance between the identification point C2 that the identification point C1 that has a common boundary before left ring section indication Bicuspid valve and right ring section indication PM have a common boundary is the major axis of mitral valve forming 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 front ring section of mitral valve forming ring, left ring section and right ring section forms and rear ring section peak P, left ring section and right ring section forms, angle (140～150 degree) is arranged.
Above-mentioned mitral valve forming ring is arranged at intervals with a plurality of soft section and hard sections along the periphery direction, the mitral valve forming ring motion is divided into four of front, rear, left and right moving cell, forward and backward moving cell motion is symmetrical consistent, left and right moving cell motion is symmetrical consistent, but the total track of forward and backward moving cell motion is different from the total track of left and right moving cell motion.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 that mitral valve forming ring is front, rear 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, soft section of mitral valve forming ring or hard section Main Function are the curvatures of keeping mitral valve forming ring simulation physiological annulus of mitral valve saddle structure, soft section is echoed with the hard section motor pattern that the formation mitral valve forming ring is tending towards physiological mitral annular motion mode and requirement, be applied in the mitral valvuloplasty prosthesis, each cardiac cycle coordination exercise that mitral valve forming ring can be beaten with heart.
The adjustable artificial valve's ring of this utility model is by arranging the adjusting line of the intersegmental distance of energy adjustable ring, be conducive to keep the involutory degree of depth of lobe leaf, be conducive to recover the involutory area of normal lobe leaf, rational involutory area is the sign that normal lobe ring physiological function is waved in adjustable artificial valve's environment-development, is also the important foundation of keeping operative effect steady in a long-term.When the adjustable artificial valve's ring of this utility model is for mitral valve forming ring in addition, the periphery direction of ring body is arranged at intervals with a plurality of soft section and hard sections, the mitral valve forming ring motion is divided into a plurality of moving cells, be applied in the mitral valvuloplasty prosthesis, mitral valve forming ring can the coordination exercise of Unlimited cycle.
Fig. 2 is the described adjustable artificial valve's structure of rings schematic diagram of embodiment 1.
The present embodiment discloses a kind of mitral valve forming ring that the pathological changes annulus of mitral valve is normal physiological shape and profile of reinventing, as shown in Figure 2, this mitral valve forming ring comprises ring body, this ring body serve as reasons front ring section 1, rear ring section 2, left ring section 3 and the integrally formed sealing ring body of right ring section 4, 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 front ring section 1, and lower arcuate convex is rear ring section 2; Two depression sections of shape of a saddle forming ring are respectively left ring section 3 and right ring section 4, the intersegmental linkage section 5 that is respectively arranged with of adjacent ring in front ring section 1, left ring section 3, rear ring section 2 and right ring section 4, and linkage section length is 6mm; Front ring section 1, left ring section 3, rear ring section 2 and right ring section 4 are the hard section, and linkage section 5 is soft section.
Be provided with the adjusting line 6 that to regulate front ring section 1 and rear ring section 2 spacings on the front ring section 1 of the present embodiment mitral valve forming ring and rear ring section 2, this adjusting line 6 is a Gore-Tex line, be provided with symmetrically two through wires holes on front ring section 1, on front ring section 1, two through wires holes are 2mm apart from the front distance of encircling section 1 peak, the peak of rear 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 rear ring section 2.
The present embodiment mitral valve forming ring is regulated the using method of line 6: after completing the implantation of mitral valve forming ring routine operation method, the adjusting line 6 that pull passes from rear ring section through wires hole, tractive (shortening) is regulated the distance that line 6 is adjusted between the mitral valve forming ring section, make the involutory degree of depth of lobe leaf and involutory area reach after satisfaction that to pass the ring section knotting at position fixing regulating line 6, regulate line 6 and stay in body.
Regulate the line 6 front ring section 1 of tractive and rear ring sections 2 by this, adjust front ring section 1 and rear ring section 2 spacings, adjust the involutory height of Bicuspid valve front and back leaf lobe edge, and then reach the requirements of operation of the involutory area of leaf before and after Bicuspid valve, rational involutory area is the bring into normal play sign of bicuspid valve physiologic function of Bicuspid valve, is also the important foundation of keeping operative effect steady in a long-term.To have the mitral valve forming ring of regulating line 6 and be applied in clinical operation, detect the front ring section 1 and the rear ring section 2 spacing 2～3mm that show utilization adjusting line 6 shortening mitral valve forming rings, can realize the involutory height increase of local lobe leaf 1.5～2mm.
This mitral valve forming ring is surrounded by hollow out tube type material in whole memorial alloy, hard softness requirement according to each ring section, process the different difference that realize each ring section motion amplitude of hollow out density by adjustment, the memorial alloy hardness that hollow out is larger is less, and the memorial alloy hardness that hollow out is less is larger.The present embodiment ring body also is coated with medical dacron fabric outward.
The distance of front ring section 1 peak A and rear ring section 2 peak P is minor axis, and the identification point that has a common boundary before left 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, and 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 R of the peak A of the front ring section 1 of mitral valve forming ring, the minimum point L of left ring section 3 and right ring section 4 forms and rear ring section 2 peak P, left ring section 3 and the minimum point R of right ring section 4 form.
Mitral valve forming 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: the front ring section 1 of paradoxical expansion and rear ring section 2 be downwards to intrinsic displacement, and left ring section 3 and right ring sections 4 makes progress to intrinsic displacement; The front ring section 1 of diastole and rear ring section 2 are upwards to outer displacement, and left ring section 3 and right ring section 4 are upwards to outer displacement.
the periphery direction of the present embodiment mitral valve forming ring is arranged at intervals with a plurality of soft section and hard sections, the artificial ring of Bicuspid valve is divided into front ring section 1, rear ring section 2, left ring section 3 and more than 4 moving cell of right ring section, the little arc curvature in the arc curvature of artificial front ring and rear ring stage casing and the angle of front plane of a loop and rear 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 the multiple function speciality that can realize the Unlimited cycle coordination exercise of artificial mitral valve forming ring, embodied the advantage that this Bicuspid valve manually encircles tool physiological annulus of mitral valve trend, be fit to be applied to clinical mitral valvuloplasty prosthesis.
Fig. 3 is the axonometric chart of the described adjustable artificial valve's ring of embodiment 2; Fig. 4 is the top view of Fig. 3; Fig. 5 is that adjustable artificial valve encircles adjusting pre-structure schematic diagram; Fig. 6 is that adjustable artificial valve encircles the rear structural representation of adjusting.
The present embodiment discloses a kind of Tricusp Valvuloplasty ring that the pathological changes tricuspid annulus is normal physiological shape and profile of reinventing, as shown in Figure 3 and Figure 4, Tricusp Valvuloplasty ring serve as reasons front ring section 1, rear ring section 2 and the integrally formed ring body with opening of spacer ring section 7 are provided with on front ring section 1 and spacer ring section 7 and regulate the spacings that line 6 is used for adjusting leading portion ring 1 and compartment ring 7.
This adjusting line 6 is a Gore-Tex line, is provided with two through wires holes on front ring section 1, is provided with a through wires hole on the spacer ring section, regulates line 6 activities and is located in two through wires holes of leading portion ring 1, and two ends regulating line 6 pass from the through wires hole of spacer ring section 7.Particularly, on front ring section 1 two through wires holes be positioned at front ring section 1 near after 1/3 one of ring section direction, on front ring section 1, the distance of two through wires holes is 5mm, the through wires hole on spacer ring section 7 is positioned at the centre of spacer ring section.
Regulate the using method of line: after the implantation of Tricusp Valvuloplasty ring routine operation method was completed, as shown in Figure 4, rear ring section 2 was arranged between leading portion ring 1 and compartment ring 7, lobe leaf before front ring section 1 is corresponding, the corresponding posterior valve leaflet of rear ring section 2, the corresponding membrane leaves of compartment ring 7.The adjusting line that pull passes from spacer ring section 7 through wires holes, tractive (shortening) is regulated line and is adjusted the front distance of encircling between section 1 and spacer ring section 7 of Tricusp Valvuloplasty ring, make the involutory degree of depth of lobe leaf and involutory area reach after satisfaction that to pass the ring section knotting at position fixing regulating line, regulating line stays as shown in Figure 5 in body.
The disclosed mitral valve forming ring of the present embodiment is substantially the same manner as Example 1, and the ring body hardness of different the is disclosed mitral valve forming ring of the present embodiment is identical, is prepared from by titanium alloy is one-body molded.
The disclosed mitral valve forming ring of the present embodiment can be regulated front the ring section of line tractive and rear ring section by this, adjust front ring section and the intersegmental distance of rear ring, the involutory height of adjustment Bicuspid valve front and back leaf lobe edge, and then recover the involutory area of normal Bicuspid valve front and back leaf.
This utility model is not limited to the described adjustable artificial valve's ring of above-described embodiment, and the setting position of adjusting line and the change of material are 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 with reference to aforementioned each embodiment, this utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified 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 (16)
1. adjustable artificial valve's ring, comprise ring body, it is characterized in that, is provided with the adjusting line for the intersegmental distance of adjustable ring on this ring body.
2. adjustable artificial valve encircles according to claim 1, it is characterized in that, described ring body is mitral valve forming ring, is provided with on this ring body for the adjusting line of regulating front ring section and the intersegmental distance of rear ring.
3. adjustable artificial valve encircles according to claim 2, it is characterized in that, described mitral valve forming ring is shape of a saddle forming ring, and in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section.
4. adjustable artificial valve encircles according to claim 3, it is characterized in that, described adjusting line is one, be provided with symmetrically two through wires holes on described front ring section, the peak of described rear 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 rear ring section.
5. adjustable artificial valve encircles according to claim 4, it is characterized in that, upper two through wires holes of described front ring section are 1-3mm apart from the distance of front ring section peak.
6. adjustable artificial valve encircles according to claim 3, it is characterized in that, described adjusting line is two, the peak of described rear ring section is provided with a through wires hole, one end of two described adjusting lines is fixed on respectively on front ring section symmetrically, the point that two described adjusting lines are fixed on front ring section is fixing point, and two described adjusting lines pass from the through wires hole of rear ring section away from an end of front ring section.
7. adjustable artificial valve encircles according to claim 6, it is characterized in that, described fixing point is 1-3mm apart from the distance of front ring section peak.
8. adjustable artificial valve encircles according to claim 1, it is characterized in that, described ring body is the Tricusp Valvuloplasty ring, described Tricusp Valvuloplasty ring serve as reasons front ring section, rear ring section and the integrally formed ring body with opening of spacer ring section, described rear ring section is arranged between leading portion ring and compartment ring, is provided with the adjusting line for ring section and the intersegmental distance of spacer ring before regulating on this ring body.
9. adjustable artificial valve encircles according to claim 8, it is characterized in that, described adjusting line is one, be provided with two through wires holes on described front ring section, be provided with a through wires hole on described spacer ring section, 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 spacer ring section.
10. adjustable artificial valve encircles according to claim 8, it is characterized in that, described adjusting line is two, be provided with a through wires hole on described spacer ring section, one end of two described adjusting lines is separately fixed on front ring section, it is fixing point that two described adjusting lines are fixed on the front point that encircles section, and two described adjusting lines pass from the through wires hole of spacer ring section away from a front end that encircles section.
11. the described adjustable artificial valve's ring of according to claim 1-10 any one is characterized in that described adjusting line is the Gore-Tex line.
12. the described adjustable artificial valve's ring of according to claim 2-7 any one is characterized in that this ring body is arranged at intervals with a plurality of soft section and hard sections along the periphery direction.
13. described adjustable artificial valve encircles according to claim 12, it is characterized in that, described mitral valve forming ring is shape of a saddle forming ring, in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section; Described front ring section and rear ring section are the hard section, and described left ring section and right ring section are soft section.
14. described adjustable artificial valve encircles according to claim 12, it is characterized in that, described mitral valve forming ring is shape of a saddle forming ring, in two arcuate convex of described shape of a saddle forming ring, higher arcuate convex is front ring section, and lower arcuate convex is rear ring section; Two depression sections of described shape of a saddle forming ring are respectively left ring section and right ring section, are respectively arranged with linkage section between described front ring section, left ring section, rear ring section and right ring section; Described front ring section, left ring section, rear ring section and right ring section are the hard section, and described linkage section is soft section.
15. described adjustable artificial valve's ring, is characterized in that according to claim 12, described soft section is adopted the different memorial alloy of braiding degree of rarefication to make with the hard section; Or described soft section weaved cotton cloth for medical silicon strip or medical terylene, and described hard section is titanium alloy.
16. according to claim 13 or 14 described adjustable artificial valve's rings is characterized in that, described soft section is adopted the different memorial alloy of braiding degree of rarefication to make with the hard section; Or described soft section weaved cotton cloth for medical silicon strip or medical terylene, and described hard section is titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089952 CN203263588U (en) | 2013-02-27 | 2013-02-27 | Adjustable artificial valve ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089952 CN203263588U (en) | 2013-02-27 | 2013-02-27 | Adjustable artificial valve ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203263588U true CN203263588U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320089952 Withdrawn - After Issue CN203263588U (en) | 2013-02-27 | 2013-02-27 | Adjustable artificial valve ring |
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| Country | Link |
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| CN (1) | CN203263588U (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 |
| CN104000670A (en) * | 2013-02-27 | 2014-08-27 | 金仕生物科技（常熟）有限公司 | Adjustable artificial valve ring |
-
2013
- 2013-02-27 CN CN 201320089952 patent/CN203263588U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000670A (en) * | 2013-02-27 | 2014-08-27 | 金仕生物科技（常熟）有限公司 | Adjustable artificial valve ring |
| CN104000670B (en) * | 2013-02-27 | 2016-12-28 | 金仕生物科技（常熟）有限公司 | Adjustable artificial valve's 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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