CN104523353A - Valvula-holding machine for artificial valvula bicuspidalis - Google Patents
Valvula-holding machine for artificial valvula bicuspidalis Download PDFInfo
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- CN104523353A CN104523353A CN201410817427.0A CN201410817427A CN104523353A CN 104523353 A CN104523353 A CN 104523353A CN 201410817427 A CN201410817427 A CN 201410817427A CN 104523353 A CN104523353 A CN 104523353A
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- valvula
- core bar
- lobe
- holding
- line
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Classifications
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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
- A61F2/2427—Devices for manipulating or deploying heart valves during implantation
Abstract
The invention provides a valvula-holding machine for artificial valvula bicuspidalis. The valvula-holding machine comprises a handle portion, a core bar, a ratchet wheel and a valvula-holding portion, wherein the valvula-holding portion is provided with a barrel-shaped cavity with an opening formed in the upper portion and a through-hole in the bottom, a ratchet wheel groove and a sliding groove formed in the inner wall of the barrel-shaped cavity are connected with the core bar and the ratchet wheel, three line holding portions are arranged on the outer side of the valvula-holding portion in the circumferential direction of the barrel-shaped cavity, tightening lines can enable valvula angles to be fixedly connected with the valvula-holding machine through a line-holding portion, and the mutual cooperation relationship of the handle portion, the core bar and the ratchet wheel achieves the purpose that when the handle portion is made to rotate, the core bar rotates in one way, and the tightening lines are driven to be contracted to tighten the valvula angles. The valvula angles of the artificial valvula bicuspidalis can be fixed in the radial direction by the valvula-holding machine for the artificial valvula bicuspidalis, and therefore, damage to the valvula angular caused by too large deformation can be avoided when the valvula angles are put away. In addition, the valvula-holding machine for the artificial valvula bicuspidalis is in a split type, and production cost and usage cost are greatly reduced.
Description
Technical field
The present invention relates to a kind of artificial mitral valve valve and hold lobe device, belong to technical field of medical instruments.
Background technology
Valvular heart disease is one of cardiopathic main species at present, and valve disease can cause the great dysfunction of heart and finally need to replace native heart valve with Cardiac valve prosthesis.Cardiac valve is mainly divided into aortic valve, valve of pulmonary trunk, Tricuspid valve and Bicuspid valve.Wherein mitral valve is Mitral valve again, as " check valve " between same left room and left room, ensures that blood circulation is necessarily flowed to left ventricle direction by left atrium and passes through certain blood flow.Majority is needed to change valvular patient, mostly adopts operating mode to be implanted by Cardiac valve prosthesis.
Artificial mitral valve valve is formed by biological tissue, metal rack, silica gel and polyester thread and woven dacron manufacture, will be placed on storage in impregnating fluid, transport after production completes.In the meantime, the effect that mitral valve holds lobe device mitral valve is securely fixed in fill in the preservation bottle of impregnating fluid, require that valve is held lobe device and is fixed on to preserve in bottle and is connected with the valve hanger preserved in bottle, make mitral valve neither be separated from impregnating fluid, do not collide with other implements again and cause product safety problem.And in operation process, valve and tissue can be sewed up the assurance of valve by holding lobe device by patient.
In the clinical implantation process of mitral valve, affect surgical effect and/or procedure to prevent valve lobe angle and tissue from interfering, need three of valve lobe angles to pack up before implantation, this is also that valve holds one of effect of lobe device.The lobe device of holding of current Clinical practice is generally designed to have the structure that can realize axially pushing away and tighten up line to pack up lobe angle, or the lobe angle of not packing up is fixed, this mode is excessive for the deformation at lobe angle, and the mode of axially tightening up requires that mould is one-body molded, the expense of production mould is increased greatly, need the integral replacing holding lobe device of corresponding size for the mitral valve of different size, operation high cost simultaneously.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of artificial mitral valve valve and hold lobe device, it can realize fixing the radial direction at the lobe angle of artificial mitral valve valve, thus lobe angle can be avoided because of excessive the brought damage of deformation when packing up lobe angle; In addition, it is split type that this artificial mitral valve valve holds lobe device, greatly reduces production cost and use cost.
The invention provides a kind of artificial mitral valve valve and hold lobe device, comprising: handle portion, core bar, ratchet and hold lobe portion; Wherein,
Described lobe portion of holding has upper opening and bottom is provided with the barrel-shaped cavity of through hole, this barrel-shaped cavity inner wall is provided with ratchet slot and chute, this is held outside lobe portion and barrel-shaped cavity circumference is provided with three valve support portions, the bottom outer rim in each valve support portion is all formed for forming the supporting surface supported to artificial mitral valve valve, and three supporting surfaces are along holding lobe portion circumference, and to surround the radial dimension of annular consistent with the sutural margin internal diameter of supported artificial mitral valve valve, the top of described supporting surface is provided with holds line portion, this is held line portion and can make to tighten up line and wear below to holding line portion from the inner side of holding line portion,
Described core bar top has location-plate, this location-plate lower surface is provided with location core bar, the holding section that external diameter increases is formed at core bar top, location, along forming hook structure under this holding section, described ratchet can be sheathed on described holding section, thus make to hold in the upper opening of barrel-shaped cavity in lobe portion described in being placed in conjunction with physical ability of ratchet and holding section, the bottom of locating core bar then can be stretched out from the through hole of barrel-shaped cavity bottom, and ratchet and hook structure match with the ratchet slot of barrel-shaped cavity inner wall and chute respectively, merging realizes one-directional rotation;
Described handle portion is removably located on the location-plate of core bar, and this handle portion can drive core bar to rotate.
In one embodiment, described handle portion comprises handle set and detachable handle, and handle set is provided with the first through wires hole, and the location-plate of described core bar corresponds to described first through wires hole and is provided with the second through wires hole.
Further, described first through wires hole and the second through wires hole are two, and are provided with first between described first through wires hole and cut line groove.
In one embodiment, the location-plate top of described core bar offers fixing hole, and handle set bottom is provided with the fixed bar that can match with fixing hole, and realizes holding fixing between described fixed bar and fixing hole by notch.
In one embodiment, the holding section that core bar top, described location external diameter increases is cage structure, this cage structure has the center stand column that location-plate lower surface is fixed in three upper ends, the lower end of center stand column is connected with the outer end of a crossbeam respectively, the inner of this crossbeam meets at location core bar, the lower ora terminalis of center stand column forms described hook structure, and three crossbeams offering respectively for wearing is the anchor line (string) through hole tightening up line.
Further, the bottom of described location core bar is column, and its one end is connected with described crossbeam meet, and the other end stretches out from the through hole of barrel-shaped cavity bottom.
Further, the periphery of described ratchet is provided with the tangent Elastic Teeth at least one and this ratchet periphery.
In one embodiment, described line portion of holding is two-stage hierarchic structure, first order ladder be fixed on hold the barrel-shaped cavity in lobe portion lower, outer perimeter on, the described supporting surface for forming support to artificial mitral valve valve is positioned at second level ladder side-lower, described second level ladder circumferentially offers three through wires holes spaced apart, and is provided with on first order ladder and can makes to tighten up line and wear passing channel to through wires hole from location core bar extension.
Further, offer second between two through wires holes in three through wires holes spaced apart to cut line groove.
Further, holding lobe portion barrel-shaped cavity external week, to be respectively equipped with two groups of a pair of distributing vertically protruding corresponding region, and the setting of this pair projection can make valve hanger be fixed between this pair projection.
Artificial mitral valve valve provided by the invention holds lobe device, realize holding the one-directional rotation in the barrel-shaped cavity in lobe portion by the mutual coupling of handle portion, core bar, ratchet, this external handle portion makes to wear inside it tighten up to the line that tightens up below it by holding line portion while rotating, and realizes thus fixing the radial direction at the lobe angle of artificial mitral valve valve; In addition, it is split-type structural that this artificial mitral valve valve holds lobe device, not only enormously simplify mould structure and reduces die manufacturing cost, only need change simultaneously and hold lobe parts accordingly, thus reduce use cost when the mitral valve for different size.
Accompanying drawing explanation
Fig. 1 is that artificial mitral valve valve of the present invention holds the structural representation of lobe device under split state;
Fig. 2 is the structural representation holding lobe portion that artificial mitral valve valve of the present invention holds lobe device;
Fig. 3 is that artificial mitral valve valve of the present invention holds the handle set of lobe device and the structural representation of core bar;
Fig. 4 is the upward view that artificial mitral valve valve of the present invention holds the core bar of lobe device;
Fig. 5 be artificial mitral valve valve of the present invention hold lobe device and artificial mitral valve valve be connected and fixed after schematic diagram.
Reference numeral:
1: handle portion 2: core bar
3: ratchet 4: hold lobe portion
12: handle set 13: handle
14: fixed bar 15: fixing muscle
Cut line groove 121a, 121b at 123: the first: the first through wires hole
21: location-plate 22: location core bar
23: holding section 24: hook structure
212: fixing hole 214a, 214b: the second through wires hole
213: holddown groove 25: column
231: center stand column 232: crossbeam
233: anchor line (string) through hole 41: barrel-shaped cavity
42: ratchet slot 43: chute
45: supporting surface 46: hold line portion
47: passing channel 461a, 461b, 461c: through wires hole
Cut line groove a at 462: the second: tighten up line
B: lobe angle c: artificial mitral valve valve
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is that artificial mitral valve valve of the present invention holds the structural representation of lobe device under split state.Fig. 2 is the structural representation holding lobe portion that artificial mitral valve valve of the present invention holds lobe device.Fig. 3 is that artificial mitral valve valve of the present invention holds the handle set of lobe device and the structural representation of core bar.Fig. 4 is the upward view that artificial mitral valve valve of the present invention holds the core bar of lobe device.Fig. 5 be artificial mitral valve valve of the present invention hold lobe device and artificial mitral valve valve be connected and fixed after schematic diagram.
Please also refer to Fig. 1-Fig. 5, artificial mitral valve valve of the present invention is held lobe device and is comprised: handle portion 1, core bar 2, ratchet 3 and hold lobe portion 4.
Hold lobe portion 4 and there is upper opening and bottom is provided with the barrel-shaped cavity 41 of through hole, this barrel-shaped cavity inner wall is provided with ratchet slot 42 and chute 43, this is held outside lobe portion 4 and barrel-shaped cavity 41 circumference is provided with three valve support portions 44, the bottom outer rim in each valve support portion 44 is all formed for forming the supporting surface 45 supported to artificial mitral valve valve, and three supporting surfaces 45 are along holding lobe portion 4 circumference, and to surround the radial dimension of annular consistent with the sutural margin internal diameter of supported artificial mitral valve valve, the top of supporting surface 45 is provided with holds line portion 46, this is held line portion 46 and can make to tighten up line and wear below to holding line portion from the inner side of holding line portion.
Core bar 2 top has location-plate 21, this location-plate 21 lower surface is provided with location core bar 22, the holding section 23 that external diameter increases is formed at core bar 22 top, location, edge, 23 times, this holding section forms hook structure 24, ratchet 3 can be sheathed on holding section 23, thus make ratchet 3 and holding section 23 be placed in the upper opening of the barrel-shaped cavity 41 holding lobe portion in conjunction with physical ability, the bottom of locating core bar 22 then can be stretched out from the through hole bottom barrel-shaped cavity 41, and ratchet 3 and hook 24 structures match with the ratchet slot 42 of barrel-shaped cavity inner wall and chute 43 respectively, merging realizes one-directional rotation.
Handle portion 1 is removably located on the location-plate 21 of core bar 2, and this handle portion 1 can drive core bar 2 to rotate.
Artificial mitral valve valve of the present invention is held in lobe device, handle portion 1 grips for operator and clockwise or form the driving force tightened up the lobe angle b of artificial mitral valve valve when rotating counterclockwise, the core bar 2 be connected with handle portion 1 mates with ratchet 3 and the driving force from handle portion 1 is passed to ratchet 3, ratchet 3 mate with the ratchet slot 42 of barrel-shaped cavity inner wall and make ratchet 3 only can in ratchet slot 42 one-directional rotation, at placement artificial mitral valve valve when making it be supported on the bottom outer rim in valve support portion, it is carried out radial and axial fixing by tightening up line a, the one end of tightening up line a wherein can be made to be fixed on the core bar 2 of location, the other end wears the below to holding line portion 46 from the inner side (part specifically can stretched out from location core bar 22 from barrel-shaped cavity bottom through-hole) of holding line portion 46, and then be fixed after the lobe angle b being positioned at the artificial mitral valve valve held below line portion 46 passes, thus tighten up line a to realize tightening up the lobe angle b of artificial mitral valve valve when turning handle portion 1 by driving, due to ratchet 3 only can in ratchet slot 42 one-directional rotation, therefore lobe angle c can not again open after tightening up, thus valve can be made firmly to be fixed on radial and axial hold on lobe device, can storing, in transport and operation process to artificial mitral valve valve provide good fixing, support and holding effect.
In one embodiment, handle portion 1 can comprise handle set 12 and detachable handle 13, and handle set can be provided with the first through wires hole, and the location-plate 21 of core bar 2 corresponds to the first through wires hole and can be provided with the second through wires hole.First through wires hole can be identical with the diameter of the second through wires hole, such as, be 0.3-1.5mm; The first through wires hole be oppositely arranged and the second through wires hole can be used for being formed handle set 12 and core bar location-plate 21 bundling, thus realize the relative fixing of handle set 12 and core bar location-plate 21.In addition, detachable handle 13 such as can be threaded on handle set 12, now can form the internal thread hole axially arranged on handle set 12, and on handle 13, form the external screw thread matched with this internal thread hole, thus facilitate the installation and removal of handle 13 on handle set 12.Particularly, the internal thread hole axially arranged can also be formed on the top of handle set 12, and formed in the below of this internal thread hole and the internal thread hole coaxially and not threaded pilot hole of tool, the size of this pilot hole can be mated with handle 13, pilot hole is conducive to carrying out axial orientation to handle, thus prevents handle 13 from causing three of an artificial mitral valve valve lobe angle to be tightened to precalculated position simultaneously because there is axial dipole field.
Further, the first through wires hole and the second through wires hole can be two, and are provided with first between the first through wires hole and cut line groove 123.The diameter of two first through wires holes 121a, 121b can be identical, the diameter of two second through wires holes 214a, 214b also can be identical, arrange two through wires holes to be conducive to being fixed the end of line, first cuts line groove 123 be provided with to be beneficial to and cut off binding handle set 12 and the line of core bar location-plate 21, thus makes handle set 12 be formed with core bar location-plate 21 to be easily separated.First cuts line groove 123 can be longitudinally through, and width can be 0.3-2.0mm; In addition first to cut line groove of can be partial in two the first through wires holes and arranging, thus the toe-in that can effectively prevent thread end from fixing formation causes interference to tangent line process.
In one embodiment, location-plate 21 top of core bar 2 offers fixing hole 212, and handle set 12 bottom is provided with the fixed bar 14 that can match with fixing hole 212, and realizes holding fixing between fixed bar 14 and fixing hole 212 by notch.Particularly, the fixing muscle 15 of at least one radial direction can be set in the upper periphery of fixed bar, and the holddown groove 213 that position is arranged and this fixing muscle matches of this fixing muscle is corresponded at core bar location-plate, the large 0-0.2mm of width of the width comparable holddown groove 213 of this fixing muscle 15, the little 0-0.2mm of the degree of depth of the comparable holddown groove of height of fixing muscle, even if the gap forming 0-0.2mm when fixing muscle is placed in holddown groove each other.In addition, fixed bar 14 diameter can with the equal diameters of fixing hole 212 or the diameter being slightly less than fixing hole.
Further, the holding section that core bar 22 top, location external diameter increases is cage structure 23, this cage structure 23 has the center stand column 231 that location-plate lower surface is fixed in three upper ends, the lower end of center stand column 231 is connected with the outer end of a crossbeam 232 respectively, the inner of this crossbeam 232 meets at location core bar 22, it is the anchor line (string) through hole 233 tightening up line that lower ora terminalis formation hook structure 24, three crossbeams 232 of center stand column 231 offer for being worn respectively.Particularly, hook structure 24 can be such as from the outward extending projection in crossbeam 232 outer end, and it can match with the chute 43 of barrel-shaped cavity inner wall and merge realization and relatively rotate, and the length that this projection extends from crossbeam outer end can be 0.1-2mm; Meanwhile, the chute 43 that barrel-shaped cavity inner wall is arranged can be annular groove.
The location core bar 22 of said structure can realize tightening up the fixing of line a one end, a first top in three crossbeams 232 can be distinguished after lower winding crossbeam in such as three one end of tightening up line a, be tightly then pass from anchor line (string) through hole 233 and be wrapped in location core bar 22 from the extension of barrel-shaped cavity bottom through-hole with the end of tightening up line a.The diameter of anchor line (string) through hole can be 0.3-2.0mm.Further, the bottom of location core bar is column 25, and its one end is connected with crossbeam meet, and the other end stretches out from the through hole of barrel-shaped cavity bottom.The length of this column can be 2-10mm, and diameter can be 0.5-5mm.
Further, the periphery of ratchet 3 is provided with the tangent Elastic Teeth at least one and this ratchet periphery, such as 1-8; Particularly when being provided with multiple Elastic Teeth, multiple Elastic Teeth elongated end towards identical, such as, simultaneously towards clockwise or counterclockwise.In one embodiment, the periphery of ratchet be provided with three with this ratchet periphery the tangent and Elastic Teeth counterclockwise extended, it can rotate when handle rotates clockwise, and when handle rotates counterclockwise and the ratchet slot of barrel-shaped cavity inner wall formed and engage and do not rotate.This set-up mode can be avoided again opening tightening up back lobe angle to the lobe angle of artificial mitral valve valve, thus good to the fixed effect at lobe angle.
In one embodiment, holding line portion 46 can be two-stage hierarchic structure, first order ladder be fixed on hold the barrel-shaped cavity 41 in lobe portion lower, outer perimeter on, second level ladder side-lower is positioned at for forming to artificial mitral valve valve c the supporting surface 45 supported, second level ladder circumferentially offers three through wires hole 461a, 461b, 461c spaced apart, and is provided with on first order ladder and can makes to tighten up line and wear passing channel 47 to through wires hole from location core bar extension.Particularly, this passing channel 47 can be axially disposed within the outside edge in first order stage.
Further, the lower width in valve support portion is limited not touch lobe leaf after assembling with artificial mitral valve valve, and the aperture of through wires hole is 0.3-2mm.After location core bar 22 is fixed in three one end of tightening up line, the other end can be held in the passing channel 47 of line portion (can be three any one of holding line portion) from first respectively and pass, wear to adjacent bottom, lobe angle from being positioned at the first b bottom, lobe angle of holding below line portion after the through wires hole 461a (being positioned at the through wires hole of end) holding line portion from first penetrates, pass from the first through wires hole 461b (through wires hole adjacent with through wires hole 461a) holding line portion subsequently, the through wires hole 461c (through wires hole adjacent with through wires hole 461b) holding line portion from first again penetrates and the end at lobe angle is lain in tightening up line of penetrating from through wires hole 461c.
Further, offer second between two through wires holes in three through wires holes spaced apart and cut line groove 462.Particularly, second cuts line groove is arranged between through wires hole 461b and through wires hole 461c, and its degree of depth is not to form axially through being limited, and width can be 0.3-2mm, and length can be 2-10mm.This second cut line groove be provided with to be beneficial to and cut off tightening up line, thus the lobe angle of artificial mitral valve valve can be made easily to open.
This is held arranging of line portion and can tighten up line when handle rotates by three and realize tightening up the radial direction at the lobe angle of artificial mitral valve valve, and valve is firmly positioned on radial and axial hold on lobe device, thus avoids lobe angle to cause damage because deformation is excessive.In addition, the resistance that tightens up when tightening up lobe angle reduces greatly, thus more convenient to operate.
In addition, holding lobe portion barrel-shaped cavity external week, to be respectively equipped with two groups of a pair of distributing vertically protruding corresponding region, and the setting of this pair projection can make valve hanger be fixed between this pair projection.This is raised with for a pair to be beneficial to and is fixed on holding lobe device in valve bottle.Particularly, lower lobes 52 can be greater than upper lobes 51, and to mate with upper lobes 51 size or slightly larger than the shaped hole of upper lobes 51 corresponding to the position of upper lobes can be offered in lower lobes 52, thus to the shaping of upper lobes 51 when being conducive to Mold Making.
It is below the concrete using method of the embodiment of the present invention.First, by tightening up line, handle portion 1 is connected with core bar 2, concrete operations mode is, the one end of tightening up line first enters the corresponding second through wires hole 214a of core bar by the first through wires hole 121a of handle set, through location-plate 21, again towards the direction of handle portion 1 through after the second through wires hole 214b enters the first through wires hole 121b, tie a knot at the first through wires hole 121b place with the other end tightening up line and fixes, above-mentioned steps complete handle portion 1 and with being connected and fixed of core bar 2.Then, the connection at core bar and lobe angle is carried out, owing to having three lobe angles so this process need three tightens up line a.Concrete steps are: by wherein one end of tightening up line can a top respectively first in three crossbeams 232 after lower winding crossbeam with the end of tightening up line be tightly, then pass from anchor line (string) through hole 233 and be wrapped in location core bar 22 from the extension of barrel-shaped cavity bottom through-hole, namely on column 25, injection is worn again from passing channel 47, wear to adjacent bottom, lobe angle from being positioned at the first bottom, lobe angle of holding below line portion after the through wires hole 461a (being positioned at the through wires hole of end) holding line portion from first penetrates, pass from the first through wires hole 461b holding line portion subsequently, the through wires hole 461c holding line portion from first again penetrates and the end of tightening up line is lain in tightening up line of penetrating from the 3rd through wires hole 461c.Tighten up line with same operation with other two subsequently to tighten up residue two lobe angles and connect.
Above-mentioned artificial mitral valve valve holds the method for attachment of lobe device, tighten up line by one handle portion 1 is fixed with core bar 2 is connected, tighten up line by other three again and realize the connection that artificial mitral valve valve holds lobe device and artificial mitral valve lobe angle, when when transporting or the contraction at lobe angle will be realized in operation process, because ratchet 3 can only realize one-directional rotation with the engaging of ratchet slot 42, in the present embodiment as shown in Figure 1, can only realize rotating clockwise, therefore by turning clockwise to handle 13, drive slid clockwise in the chute 43 of the hook structure 24 of core bar 2 in barrel-shaped cavity 41, driving column 25 to turn clockwise is contracted on column by tightening up line winding from column to one section of lobe angle, thus lobe angle is shunk.When needs artificial mitral valve valve held lobe device be separated with artificial mitral valve valve time, first cut line groove will tighten up line cut-out first, realize being separated of handle portion and core bar, then cut line groove by second and cut off its excess-three root connecting line and realize holding being separated of line portion and artificial mitral valve valve.
Achieve the radial contraction to mitral valve lobe angle by the syntagmatic of each parts of the embodiment of the present invention and the passing channel held in line portion, and mould structure is simple, very easily carries out combine and dismantle, greatly reducing manufacturing cost.When mitral valve for different model, that only need change respective model holds lobe portion, greatly reduces use cost.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. artificial mitral valve valve holds a lobe device, it is characterized in that, comprising: handle portion, core bar, ratchet and hold lobe portion; Wherein,
Described lobe portion of holding has upper opening and bottom is provided with the barrel-shaped cavity of through hole, this barrel-shaped cavity inner wall is provided with ratchet slot and chute, this is held outside lobe portion and barrel-shaped cavity circumference is provided with three valve support portions, the bottom outer rim in each valve support portion is all formed for forming the supporting surface supported to artificial mitral valve valve, and three supporting surfaces are along holding lobe portion circumference, and to surround the radial dimension of annular consistent with the sutural margin internal diameter of supported artificial mitral valve valve, the top of described supporting surface is provided with holds line portion, this is held line portion and can make to tighten up line and wear below to holding line portion from the inner side of holding line portion,
Described core bar top has location-plate, this location-plate lower surface is provided with location core bar, the holding section that external diameter increases is formed at core bar top, location, along forming hook structure under this holding section, described ratchet can be sheathed on described holding section, thus make to hold in the upper opening of barrel-shaped cavity in lobe portion described in being placed in conjunction with physical ability of ratchet and holding section, the bottom of locating core bar then can be stretched out from the through hole of barrel-shaped cavity bottom, and ratchet and hook structure match with the ratchet slot of barrel-shaped cavity inner wall and chute respectively, merging realizes one-directional rotation;
Described handle portion is removably located on the location-plate of core bar, and this handle portion can drive core bar to rotate.
2. artificial mitral valve valve according to claim 1 holds lobe device, it is characterized in that, described handle portion comprises handle set and detachable handle, and handle set is provided with the first through wires hole, and the location-plate of described core bar corresponds to described first through wires hole and is provided with the second through wires hole.
3. artificial mitral valve valve according to claim 2 holds lobe device, it is characterized in that, described first through wires hole and the second through wires hole are two, and is provided with first between described first through wires hole and cuts line groove.
4. artificial mitral valve valve according to claim 2 holds lobe device, it is characterized in that, the location-plate top of described core bar offers fixing hole, and handle set bottom is provided with the fixed bar that can match with fixing hole, and realizes holding fixing between described fixed bar and fixing hole by notch.
5. artificial mitral valve valve according to claim 1 holds lobe device, it is characterized in that, the holding section that core bar top, described location external diameter increases is cage structure, this cage structure has the center stand column that location-plate lower surface is fixed in three upper ends, the lower end of center stand column is connected with the outer end of a crossbeam respectively, the inner of this crossbeam meets at location core bar, and the lower ora terminalis of center stand column forms described hook structure, and three crossbeams offering respectively for wearing is the anchor line (string) through hole tightening up line.
6. artificial mitral valve valve according to claim 5 holds lobe device, it is characterized in that, the bottom of described location core bar is column, and its one end is connected with described crossbeam meet, and the other end stretches out from the through hole of barrel-shaped cavity bottom.
7. artificial mitral valve valve according to claim 1 holds lobe device, it is characterized in that, the periphery of described ratchet is provided with the tangent Elastic Teeth at least one and this ratchet periphery.
8. artificial mitral valve valve according to claim 1 holds lobe device, it is characterized in that, described line portion of holding is two-stage hierarchic structure, first order ladder be fixed on hold the barrel-shaped cavity in lobe portion lower, outer perimeter on, the described supporting surface for forming support to artificial mitral valve valve is positioned at second level ladder side-lower, described second level ladder circumferentially offers three through wires holes spaced apart, and is provided with on first order ladder and can makes to tighten up line and wear passing channel to through wires hole from location core bar extension.
9. artificial mitral valve valve according to claim 8 holds lobe device, it is characterized in that, offers second and cut line groove between two through wires holes in three through wires holes spaced apart.
10. artificial mitral valve valve according to claim 1 holds lobe device, it is characterized in that, holding lobe portion barrel-shaped cavity external week, to be respectively equipped with two groups of a pair of distributing vertically protruding corresponding region, and the setting of this pair projection can make valve hanger be fixed between this pair projection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817427.0A CN104523353B (en) | 2014-12-24 | 2014-12-24 | Artificial mitral valve valve valve holder |
| PCT/CN2015/080209 WO2016101529A1 (en) | 2014-12-24 | 2015-05-29 | Valve-clamping device for artificial mitral valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817427.0A CN104523353B (en) | 2014-12-24 | 2014-12-24 | Artificial mitral valve valve valve holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104523353A true CN104523353A (en) | 2015-04-22 |
| CN104523353B CN104523353B (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817427.0A Active CN104523353B (en) | 2014-12-24 | 2014-12-24 | Artificial mitral valve valve valve holder |
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| Country | Link |
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| CN (1) | CN104523353B (en) |
| WO (1) | WO2016101529A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101529A1 (en) * | 2014-12-24 | 2016-06-30 | 金仕生物科技（常熟）有限公司 | Valve-clamping device for artificial mitral valve |
| CN109893297A (en) * | 2017-12-07 | 2019-06-18 | 杭州德晋医疗科技有限公司 | Artificial cords implant system with clamping auxiliary device |
| CN109922757A (en) * | 2016-11-03 | 2019-06-21 | 爱德华兹生命科学公司 | Prosthetic mitral valve retainer |
| US11554012B2 (en) | 2019-12-16 | 2023-01-17 | Edwards Lifesciences Corporation | Valve holder assembly with suture looping protection |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10722359B2 (en) | 2016-08-26 | 2020-07-28 | Edwards Lifesciences Corporation | Heart valve docking devices and systems |
| CR20190069A (en) | 2016-08-26 | 2019-05-14 | Edwards Lifesciences Corp | Heart valve docking coils and systems |
| USD890333S1 (en) | 2017-08-21 | 2020-07-14 | Edwards Lifesciences Corporation | Heart valve docking coil |
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| US9693862B2 (en) * | 2012-07-31 | 2017-07-04 | Edwards Lifesciences Corporation | Holders for prosthetic heart valves |
| CN104523353B (en) * | 2014-12-24 | 2016-10-12 | 金仕生物科技（常熟）有限公司 | Artificial mitral valve valve valve holder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101529A1 (en) * | 2014-12-24 | 2016-06-30 | 金仕生物科技（常熟）有限公司 | Valve-clamping device for artificial mitral valve |
| CN109922757A (en) * | 2016-11-03 | 2019-06-21 | 爱德华兹生命科学公司 | Prosthetic mitral valve retainer |
| CN109922757B (en) * | 2016-11-03 | 2021-05-28 | 爱德华兹生命科学公司 | Prosthetic mitral valve retainer |
| USD960372S1 (en) | 2016-11-03 | 2022-08-09 | Edwards Lifesciences Corporation | Prosthetic valve and holder |
| US11717404B2 (en) | 2016-11-03 | 2023-08-08 | Edwards Lifesciences Corporation | Prosthetic mitral valve holders |
| CN109893297A (en) * | 2017-12-07 | 2019-06-18 | 杭州德晋医疗科技有限公司 | Artificial cords implant system with clamping auxiliary device |
| US11554012B2 (en) | 2019-12-16 | 2023-01-17 | Edwards Lifesciences Corporation | Valve holder assembly with suture looping protection |
| US11951006B2 (en) | 2019-12-16 | 2024-04-09 | Edwards Lifesciences Corporation | Valve holder assembly with suture looping protection |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016101529A1 (en) | 2016-06-30 |
| CN104523353B (en) | 2016-10-12 |
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