CN203828991U - Aortic sinus aneurysm rupture closure device - Google Patents
Aortic sinus aneurysm rupture closure device Download PDFInfo
- Publication number
- CN203828991U CN203828991U CN201420272258.2U CN201420272258U CN203828991U CN 203828991 U CN203828991 U CN 203828991U CN 201420272258 U CN201420272258 U CN 201420272258U CN 203828991 U CN203828991 U CN 203828991U
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- district
- aortic
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- cylindric
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Abstract
Disclosed is an aortic sinus aneurysm rupture closure device. A knitted body is composed of an arc area, a cylindrical area and a disc area; the outer edge of the cylindrical area extends outwards for 3-4 mm to form the edge of the arc area; the cylindrical area is a hollow cylinder with a diameter of 4-20 mm and a thickness of 2.5-4 mm; the disc area is in the shape of a round flat plate and extends outwards for 0.5-2 mm; the bound portion of the knitted body is disposed in the center of the disc area and recessed inwards, and the recessed portion is fixedly provided with a threaded bolt; the inner cavities of the arc area, the cylindrical area and the disc area are respectively provided with an expanded film; the radian of the arc area can be in perfect fit with one side of an aortic valve and form protection during the flapping process of the aortic valve; the flanging of the disc area is relatively small and accordingly can achieve a snapping function and meanwhile reduce resistance against blood flows flowing by to achieve smooth blood flowing.
Description
Technical field
This utility model relates to the stopper field using in rupture of aortic sinusal aneurysm shutoff operation, specifically a kind of rupture of aortic sinusal aneurysm stopper.
Background technology
Rupture of aortic sinusal aneurysm claims again Fa Shi rupture of the sinus of valsalva, is because aortic sinus wall lacks normal elastic tissue and muscular tissue, is subject to high pressure blood flow and impacts, and forms gradually cryptomere tumor body, outwardly, finally can cause breaking.This disease is more rare congenital heart disease.Primary disease adult sickness rate is high, and the state of an illness occurs suddenly and develops rapidly.Primary disease operative effect is definite, and operative mortality is low, postoperatively can recover normal cardiac function completely.
In operation, should be noted that
1. aorta and hole tumor are broken into chambers of the heart two incision, row rupture of the sinus of valsalva kposthesis or simultaneously make aortic valve plasty.As larger in breach, need repair with sticking patch.Tumor body the greater, answers cut-out tumor wall.
2. aortic sinus aneurysm breaks into right ventricle, should note detecting and repairing the ventricular septal defect of Chang Bingcun.
3., while repairing the hole tumor of breaking, should prevent tractive aortic valve or lobe ring, in order to avoid cause or increase the weight of aortic incompetence.
4. merge obvious aortic incompetence or subacute bacterial endocarditis person, should make aortic valve replacement.
5. note strengthening myocardial preservation.
At present, in clinical, be not also specifically designed to the apparatus that rupture of aortic sinusal aneurysm shutoff is used, conventionally use blood vessel blocking device and carry out shutoff operation, the structure of existing blood vessel blocking device and the shape of aortic valve misfit, easily cause, shutoff is not tight, makes shutoff place have blood back phenomenon, causes cardiac dysfunction.The 2nd,, affect closing of aortic valve, the 3rd, in shutoff place, due to stopper and aortic valve closure not tight because aortic valve is by ternary pocketed thing, easily cause herein the phenomenon of thrombosis.
Utility model content
In order to solve the deficiencies in the prior art, this utility model provides a kind of rupture of aortic sinusal aneurysm stopper, for the shutoff of rupture of aortic sinusal aneurysm place, it is a kind of special stopper designing for aortic valve given shape and structure, solve the easy thrombosed phenomenon of existing shutoff place, the while is tightr with the laminating of aortic valve joint place.
This utility model solves the technical scheme that its technical problem adopts:
A kind of rupture of aortic sinusal aneurysm stopper, comprises knitted body and thin film, and described knitted body is mainly one-time formed through braiding and setting process with thin tinsel, and described thin film is medical macromolecule membrane, it is characterized in that,
Described knitted body comprises circular-arc district, cylindric district and discoid district, and the radian in described circular-arc district matches with the radian of aortic valve to be repaired, size aspect should meet: stretch out from the outer in cylindric district 3 millimeters to 4 millimeters and form the edge in circular-arc district, and described edge is also continuously and has certain radian, outer face at arc area sees, described arc area should be the continuous recessed ball of arc;
Cylindric district, cylindric for the hollow of diameter between 4 millimeters to 20 millimeters, and and seamlessly transit and continued presence between circular-arc district and discoid district, in strength character, described cylindric district has the own clamping force of support aortic valve breakage and the performance of the shape that remains unchanged for a long period of time; On thickness direction, the thickness in described cylindric district is between 2.5 millimeters to 4 millimeters;
Discoid district, described discoid district is the tabular of a circle, and stretches out 0.5 millimeter to 2 millimeters from the outer radius in cylindric district;
Closing in place of knitted body is positioned at the centre in described discoid district and caves inward, and fixes one at described recess by the mode of extrusion modling or welding fabrication and have externally threaded threaded post;
The thin film of an expansion is set respectively in the internal cavities in described circular-arc district, cylindric district and discoid district, and the surrounding of each thin film and knitted body are sewed up and are connected to form one.
Further, described thin film is high-molecular polyvinyl alcohol thin film or macromolecule silica gel thin film conventional in medical treatment.
Further, described thin film should launch fully, flatten, and does not allow to occur the phenomenon of stack, fold.
Further, described threaded post is the alloy body identical with knitted body material, and described threaded post is trapped in the inside of whole stopper in being, with ensure outer surface be one level and smooth, reduce thrombotic probability.
Further, the tinsel that described knitted body uses will have the alloy threadlet of memory function for nitinol or other.
Further, in the center in described circular-arc district be another closing-in structure of a knitted body.
Further, be without the continuous weaving structure closing up at the arc area in described circular-arc district.
Further, described knitted body 72 one metal wire braidings form.
The beneficial effects of the utility model are:
Rational in infrastructure, the radian in circular-arc district can perfectly be fitted with a side of aortic valve, very close to each other, in the process swinging, also can form protection in aortic valve, prevents blood backflow; The convex edge in discoid district is less, can realize the basic function of blocking, and has simultaneously and has reduced the out-of-date resistance causing for blood of blood flow as far as possible, makes blood flow smooth and easy.
Be a kind of special medical element, meet the needs of operation.
Brief description of the drawings
Fig. 1 is the entity profile of the skeleton of utility model stopper.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is 1/4th cutaway views of Fig. 1.
Fig. 4 is the entity profile diagram with the stopper of membrane structure.
Fig. 5 is A place partial enlarged drawing in Fig. 4.
Fig. 6 is B place partial enlarged drawing in Fig. 4.
Fig. 7 is the axonometric chart (back side) of this utility model stopper.
Fig. 8 is the axonometric chart (front) of this utility model stopper.
Fig. 9 is the expanded view of knitted body.
Figure 10 is the shutoff situation schematic diagram of this stopper in operation.
Figure 11 is the knitted body closing up in two ends.
In figure: 1 stopper, 11 circular-arc districts, 12 cylindric districts, 13 discoid districts, 14 threaded post, 2 aortic valve, 31 the first film sheets, 32 second diaphragms, 33 the 3rd diaphragms, 4 sew up, 5 closing-in structures.
Detailed description of the invention
As shown in Figures 1 to 10,
This utility model relates to a kind of rupture of aortic sinusal aneurysm stopper, and this stopper is made up of filament, impermeable thin film and retaining element.
In existing aortic sinus aneurysm patient, breaking of aortic sinus aneurysm can directly cause the damaged of aortic valve, threatens patient's life.Need to carry out prosthesis timely to patient.Current conventional restorative procedure is: use existing blood vessel blocking device and carry out shutoff, this kind of blood vessel blocking device can not well meet the needs of aortic valve shutoff.
For existing defect, the protection main body of this patent is as follows:
What develop is the medical element that a kind of mode that is similar to transvenous catheter transcatheter cardiovascular defect carries out the aortic valve of rupture of aortic sinusal aneurysm place to carry out shutoff.This element makes shutoff process be full of flexibility by the damage of minimum level and the interventional method of minimum level, on this component structure, more meet the physiological structure of analysing of valve, and wound is down to bottom line, and make the position, accurate arrival closure part that this element can be complete, implement shutoff.
Its basic principle is, stopper 1 is compressed and imports to by conduit to the damage location of the aortic valve that needs shutoff, then stopper is derived in conduit, because stopper has shape memory function, can restore to the original state, and both sides are stuck in the both sides of aortic valve, block and be fixed on breakage, finally conduit and seal wire are extracted out, complete fixing, as shown in figure 10.
Based on above-mentioned description, this stopper is under hard-wired situation, make stopper can realize as much as possible the shutoff of defect, and the flank that makes both sides is fitted in aortic valve as much as possible, reducing of particularly trying one's best in aortic valve swing process exerts an influence for its wobbling action.
The stopper that this utility model provides is simultaneously a kind of stopper that is specifically designed to treatment rupture of aortic sinusal aneurysm, is applicable to guide by conduit the stopper that manipulates operation.
Because the position of wanting shutoff is positioned in aortic valve, and special shape and position have determined the requirement of this stopper.
The main body of this stopper mainly with thin tinsel through weaving molding, formed by 72 one metal wire braidings, it is a knitted body, the structural style (as Figure 11) that can adopt two ends to close up, also the pattern that can select one end to close up, and the entirety forming by special setting process.Here, above-mentioned tinsel, preferentially selects, and for example nitinol or other are made the alloy material with memory function, have both had certain flexibility, can, under the situation that removes external force, automatically return to original state again.For meeting the requirement of being with operation, should there is sufficient flexibility.The alloy using due to this stopper has memory function, stopper in importing process in compression state, and import smoothly, discharge reaching behind precalculated position, after release, can be returned to timely predetermined shape.
From structure, the knitted body part of this stopper comprises circular-arc district 11, cylindric district 12 and discoid district 13, and the radian of the radian in circular-arc district 11 and aortic valve 2 has the radian matching, size is convenient should be met, stretch out from the outer of cylindrical region 3 millimeters to 4 millimeters (L), referenced in schematic, and this edge is also the continuous arc area with certain radian, outer face at arc area is seen, this arc area should be continuous arc concave ball shape shape, should there is not interrupted or inhomogeneous braiding phenomenon, and best, the radius of the radian of this concave ball shape shape is in 50 millimeter, approach the radian of existing aortic valve, but be not limited to this, can be made into a series, carry out as required choice for use.
Cylindric district 12 is the cylindric of the hollow of diameter between 4 millimeters to 20 millimeters (N), and and seamlessly transit and continued presence between circular-arc district and discoid district, can not occur sharp-pointed or there is a point continuous point, the size in this cylindric district 12, can be made into a series, the size of shutoff is selected as required, in strength character, this region has the own clamping force that supports damaged aortic valve, and shape remains unchanged for a long period of time, described herein referring to for a long time taking year at age of people as unit, for example patient is 40 years old, product at least will meet the projected life of 30 years.On thickness direction, the thickness H in this cylindric district 12 is between 2.5 millimeters to 4 millimeters, and make one serial, substantially can meet the dimensional requirement at aortic valve place, especially, should ensure this thickness should be substantially and the thickness of aortic valve breakage adapt, avoid occurring that card is not tightly or too tight phenomenon.
Discoid district 13, this discoid district is the flat shape of a circle, and bigger than cylindric district of diameter dimension, should be controlled at every side-prominent 0.5 millimeter to 2 millimeters (M).Three above-mentioned parts form by a setting process, are the netted of braiding in structure, and do not have discontinuous or sharp-pointed or uneven shape, should be and seamlessly transit.
Be that centre is closing in place in discoid district, and the shape shape of a depression is done in this closing in place, and fix a threaded post 14 with helicitic texture at this recess by the formation of extrusion modling or welding, structure is similar with existing threaded post, and best, and this threaded post is trapped in the inside of whole stopper in being, with ensure outer surface be one level and smooth, more level and smooth in appearance, meanwhile, reduce thrombotic probability.
Then use and there is impermeable sheet film and block, concrete size of preparation circular diaphragm suitable with circular-arc district area, be labeled as the first film sheet 31, this diaphragm adopts macromolecular material to be made, for example, conventional high-molecular polyvinyl alcohol thin film or macromolecule silica gel thin film material in medical treatment.This diaphragm is embedded in the interlayer in circular-arc district, and launch fully, flatten, do not allow to occur the phenomenon of stack, fold, then use sewing process that the surrounding of thin film and circular-arc district are sewed up to 4, form a partition-type structures, this sewing process should ensure that the node of suture is as much as possible little, level and smooth.
And then the suitable circular membrane sheet of section effective area in a size of preparation and cylindric district, be designated as the second diaphragm 32, this diaphragm embeds in the middle discontinuity surface in cylindric district, and uses sewing process that the surrounding of thin film and cylindric district are sewed up, and forms a partition.
And then the suitable circular membrane sheet of section effective area in a size of preparation and discoid district, be designated as the 3rd diaphragm 33, this diaphragm embeds in the middle discontinuity surface in discoid district, and uses sewing process that the surrounding of thin film and discoid district are sewed up, and forms a partition.
By above-mentioned mode, form a stopper.
This stopper, knitted body forms a flexible skeleton with certain memory function, and thin film is the barrier film of occlude blood.And the given shape of knitted body meets the shutoff needs of aortic valve, and swing in the lump with aortic valve, the goodness of fit is high, and thrombosis is few.
In the process of use metal wire knitted knitted body, according to the selection schemer difference of technique, conventionally can form the pattern closing up in one end, and shown pattern in figure, the pattern that also can adopt two ends to close up, pattern is as shown in figure 11 another closing-in structure 5 of a knitted body in the center in described circular-arc district.In theory, the processing technology of two closing-in structures is more simple than single bottling technique.The knitted body of these two kinds of versions is all within protection domain of the present utility model.
Embodiment recited above is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of this utility model design spirit; relevant technical staff in the field, to various distortion of the present utility model and improvement, all should expand in protection domain as determined in this utility model claims.
Claims (8)
1. a rupture of aortic sinusal aneurysm stopper, comprises knitted body and thin film, and described knitted body main body is one-time formed through braiding and setting process with tinsel, and described thin film is medical macromolecule membrane, it is characterized in that,
Described knitted body comprises circular-arc district, cylindric district and discoid district, and the radian in described circular-arc district matches with the radian of aortic valve to be repaired, size aspect should meet: stretch out from the outer in cylindric district 3 millimeters to 4 millimeters and form the edge in circular-arc district, and described edge is also continuously and has certain radian;
Cylindric district, cylindric for the hollow of diameter between 4 millimeters to 20 millimeters, and and seamlessly transit and continued presence between circular-arc district and discoid district, in strength character, described cylindric district has the own clamping force of support aortic valve breakage and the performance of the shape that remains unchanged for a long period of time; On thickness direction, the thickness in described cylindric district is between 2.5 millimeters to 4 millimeters;
Discoid district, described discoid district is the tabular of a circle, and stretches out 0.5 millimeter to 2 millimeters from the outer radius in cylindric district;
Closing in place of described knitted body is positioned at the centre in described discoid district and caves inward, and fixes one at described recess by the mode of extrusion modling or welding fabrication and have externally threaded threaded post;
The thin film of an expansion is set respectively in the internal cavities in described circular-arc district, cylindric district and discoid district, and the surrounding of each thin film and knitted body are sewed up and are connected to form one.
2. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, described thin film is high-molecular polyvinyl alcohol thin film or macromolecule silica gel thin film conventional in medical treatment.
3. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, described thin film should launch fully, flatten, and does not allow to occur the phenomenon of stack, fold.
4. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, described threaded post is the alloy body identical with knitted body material, and described threaded post is trapped in the inside of whole stopper in being.
5. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, the tinsel that described knitted body uses will have the alloy threadlet of memory function for nitinol or other.
6. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, another closing-in structure that is described knitted body in the center in described circular-arc district.
7. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, is without the continuous weaving structure closing up at the arc area in described circular-arc district.
8. a kind of rupture of aortic sinusal aneurysm stopper according to claim 1, is characterized in that, described knitted body 72 one metal wire braidings form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272258.2U CN203828991U (en) | 2014-05-26 | 2014-05-26 | Aortic sinus aneurysm rupture closure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272258.2U CN203828991U (en) | 2014-05-26 | 2014-05-26 | Aortic sinus aneurysm rupture closure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203828991U true CN203828991U (en) | 2014-09-17 |
Family
ID=51506891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420272258.2U Withdrawn - After Issue CN203828991U (en) | 2014-05-26 | 2014-05-26 | Aortic sinus aneurysm rupture closure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203828991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000631A (en) * | 2014-05-26 | 2014-08-27 | 山东省立医院 | Occluder for rupture of aortic sinusal aneurysm |
-
2014
- 2014-05-26 CN CN201420272258.2U patent/CN203828991U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000631A (en) * | 2014-05-26 | 2014-08-27 | 山东省立医院 | Occluder for rupture of aortic sinusal aneurysm |
| CN104000631B (en) * | 2014-05-26 | 2016-08-24 | 山东省立医院 | A kind of rupture of aortic sinusal aneurysm plugging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140917 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |