CN117838393A - Outer frame suitable for various different forms of annuloplasty rings - Google Patents
Outer frame suitable for various different forms of annuloplasty rings Download PDFInfo
- Publication number
- CN117838393A CN117838393A CN202410204196.XA CN202410204196A CN117838393A CN 117838393 A CN117838393 A CN 117838393A CN 202410204196 A CN202410204196 A CN 202410204196A CN 117838393 A CN117838393 A CN 117838393A
- Authority
- CN
- China
- Prior art keywords
- valve
- frame
- outer frame
- thin
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 9
- 241000446313 Lamella Species 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 210000004115 mitral valve Anatomy 0.000 description 6
- 238000002513 implantation Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000013039 cover film Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
- A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
- A61F2/2418—Scaffolds therefor, e.g. support stents
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention provides an outer frame suitable for annuluses in various different forms, which belongs to the technical field of medical appliances. According to the invention, by adopting the design of the independent unit valve frames, the number of the valve frames can be increased or decreased at will in a welding mode, raw materials can be fully utilized, loss is reduced, and after the valve frames with different numbers are combined, the outer frame ring with various specifications can be formed, so that the manufacturing cost of enterprises is reduced. By adopting the corrugated support rod, the valve ring forms with various different shapes can be in butt joint fit, and the universality is improved.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an outer frame suitable for annuluses in various different forms.
Background
In the existing mitral valve replacement valve support, in order to better attach the annular states of different shapes on the mitral valve in the heart, the phenomena of perivalvular leakage are reduced, a special outer frame is needed to be correspondingly designed, but if each annular state of the mitral valve is correspondingly designed, the manufacturing cost of enterprises is obviously greatly increased, the universality of the outer frame with a single fixed form is not high, the outer frame can only be applied to the annular ring with the corresponding form, and the applicability is narrow.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide an outer frame suitable for use with a variety of different forms of annuli.
The outer frame suitable for the annuluses in different forms comprises a plurality of valve frames, each valve frame comprises a bracket rod, a thin rod and barbs, the top of the head end of the bracket rod is provided with a plurality of thin rods, and the bottom of the head end of the bracket rod is provided with the barbs.
In some embodiments, the valve frame is a flexible corrugated valve frame, a plurality of thin rods and barbs are arranged on the head end of one end of the valve frame, 2 through holes are arranged on the tail end of the other end of the valve frame, and the 2 through holes are arranged in a linear arrangement, and the 2 through holes are used for penetrating the suture line.
In some embodiments, the upper half of each of the plurality of petals is folded outwardly by 70-100 degrees.
In some embodiments, a plurality of the petal frames are 360-degree encircling and welded to each other to form the outer frame.
In some embodiments, the thin rod is a cylindrical thin rod, one end of the thin rod is connected to the top of the head end of the bracket rod, and the other end of the thin rod is provided with a semicircular spherical end. Every 3 thin rods are arranged into 1 group, and a plurality of groups can be arranged on the top of the club head end of the bracket.
In some embodiments, a plurality of the thin rods are disposed on top of the head end of the brace, equidistant or non-equidistant between the thin rods.
In some embodiments, the barbs are rectangular barbs and are arranged at an angle of 30-60 degrees relative to the reference plane of the valve frame.
In some embodiments, the valve frame is made of nickel-titanium alloy, the thin rod is made of nickel-titanium alloy, and the barb is made of nickel-titanium alloy.
In some embodiments, the thin rod at the most middle position in the plurality of thin rods on the top end of the head of the valve frame is arranged symmetrically up and down with the barbs on the bottom end of the head of the valve frame.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, by adopting the design of the independent unit valve frames, the number of the valve frames can be increased or decreased at will in a welding mode, raw materials can be fully utilized, loss is reduced, and after the valve frames with different numbers are combined, the outer frame ring with various specifications can be formed, so that the manufacturing cost of enterprises is reduced;
2. according to the invention, the flexible corrugated support rod is adopted, so that the valve ring states with various shapes can be in butt joint fit, and the universality is improved;
3. according to the invention, the cylindrical thin rod is added at the top of the upper head end of the support rod, and after the cover film is wrapped on the head end of the support rod and the thin rod, the head end of the support rod is soft, the contact area with the valve annulus on the mitral valve is also enlarged, so that the head end of the support rod can be conveniently and well attached to the valve annulus to enhance the tightness, and the occurrence of paravalvular leakage is reduced;
4. according to the invention, the bottom of the head end of the support rod is provided with the barb, so that the anchoring function after implantation is increased, and the support rod is conveniently and firmly attached to an annulus.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is an isometric view of an outer frame of the present invention adapted for use with a plurality of different configurations of annuli;
FIG. 2 is a front view of an outer frame of the present invention adapted for use with a plurality of different configurations of annuli;
FIG. 3 is a side view of an outer frame of the present invention adapted for use with a plurality of different configurations of annuli;
FIG. 4 is a top view of an outer frame of the present invention adapted for use with a plurality of different configurations of annuli;
fig. 5 is a partially enlarged schematic illustration of an outer frame upper valve frame of the present invention adapted for use with a plurality of different configurations of valve rings.
Reference numerals:
barb 13 of valve frame 1
Bracket rod 11 through hole 14
Thin rod 12
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Example 1
As shown in fig. 1-5, the outer frame applicable to annuluses of various different forms comprises 12 valve frames 1, each valve frame 1 is provided with a support rod 11, thin rods 12 and barbs 13, the top of the head end of the support rod 11 is provided with 3 thin rods 12, and the bottom of the head end of the support rod 11 is provided with 1 barb 13.
The valve frame 1 is a corrugated valve frame, 3 thin rods 12 and 1 barb 13 are arranged on the head end of one end of the valve frame 1, 2 through holes 14 are arranged on the tail end of the other end of the valve frame 1, and the 2 through holes 14 are arranged in a straight line. The upper half ends of the 12 valve brackets 1 are folded to one side by 70-100 degrees. The 12 petal frames 1 are 360-degree encircling and mutually connected to form an outer frame. The thin rod 12 adopts a cylindrical thin rod 12, one end of the thin rod 12 is connected to the top of the head end of the bracket rod 11, and the other end of the thin rod 12 is provided with a semicircular spherical end. The 3 thin rods 12 are equidistantly or unequally arranged on the top of the head end of the support rod 11. The barb 13 is a rectangle barb, and the barb 13 is obliquely arranged at 30-60 degrees relative to the reference plane of the valve frame 1. The valve frame 1 is made of nickel-titanium alloy, the thin rod 12 is made of nickel-titanium alloy, and the barb 13 is made of nickel-titanium alloy. The thin rod 12 at the most middle position of the 3 thin rods 12 on the top end of the head of the valve frame 1 is arranged up and down symmetrically with the barb 13 on the bottom end of the head of the valve frame 1.
Specifically, in this embodiment, 12 independent petal frames are encircled by welding to form the outer frame of the present invention.
Specifically, in this embodiment, the upper half ends of the plurality of petals are all folded outwardly by 70-100 degrees.
Specifically, in this embodiment, the stent rod, the thin rod and the barb may be covered with a film, so that the inner tissue of the heart is prevented from being scratched by the metal end portions of the stent rod, the thin rod and the barb in the implantation process.
Specifically, in this embodiment, the 2 through holes on the valve frame are not covered with a film, so that the valve frame can conveniently pass through a suture line, and the outer frame and other inner frames of the valve frame are connected in a suture manner, so that the valve frame and the valve frame are firmly attached together.
Working principle:
according to the invention, by adopting the design of the independent unit valve frames, the number of the valve frames can be arbitrarily increased or decreased in a welding mode, and after the valve frames with different numbers are combined, the outer frame ring with various specifications can be formed, so that the manufacturing cost of enterprises can be reduced; the corrugated bracket rod can adapt to the annular shapes of various different shapes, and has high universality; and a cylindrical thin rod is added at the top of the upper head end of the support rod, and after the cover film is wrapped on the head end of the support rod and the thin rod, the head end of the support rod becomes soft, the contact area with the valve annulus on the mitral valve is also enlarged, the head end of the support rod can be conveniently and well attached to the valve annulus to enhance the tightness, and the perivalvular leakage phenomenon is reduced; and the bottom of the head end of the bracket rod is provided with barbs, so that the anchoring function after implantation is increased, and the attaching firmness of the outer frame and the valve annulus on the mitral valve is improved.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (8)
1. The utility model provides an outer frame suitable for multiple different forms annuli, its characterized in that includes a plurality of lamella frame (1), every including cradling piece (11), thin pole (12) and barb (13) on lamella frame (1), cradling piece (11) head end top sets up a plurality of thin pole (12), just cradling piece (11) head end bottom sets up barb (13), and a plurality of lamella frame (1) are 360 degrees and encircle interconnect constitution the outer frame.
2. The outer frame suitable for the annuloplasty ring of the multiple different forms according to claim 1, wherein the valve frame (1) comprises a corrugated valve frame, a plurality of thin rods (12) and barbs (13) are arranged on the head end of one end of the valve frame (1), a plurality of through holes (14) are arranged on the tail end of the other end of the valve frame (1), and a plurality of through holes (14) are arranged in a straight line.
3. The outer frame for the valve annulus of various different forms according to claim 2, characterized in that the upper half of the plurality of valve frames (1) are folded over to one side by 70-100 degrees.
4. The outer frame applicable to annuloplasty rings according to claim 1, characterized in that said thin rod (12) comprises a thin rod with a cylindrical shape, and one end of said thin rod (12) is connected to the top of the head end of said support rod (11), and the other end of said thin rod (12) is provided as a semicircular spherical head.
5. An outer frame for an annulus of various different configurations, according to claim 4, characterized in that a plurality of said thin bars (12) are equally or unequally arranged on top of the head end of said support bar (11).
6. The outer frame for a plurality of different morphology annuluses according to claim 1, characterized in that the barbs (13) comprise rectangular barbs, and the barbs (13) are arranged at an inclination of 30-60 degrees with respect to the reference plane of the frame (1).
7. The outer frame for a plurality of different morphology annuluses according to claim 1, characterized in that the valve frame (1) comprises a nickel titanium alloy valve frame, the thin rod (12) comprises a nickel titanium alloy thin rod, and the barb (13) comprises a nickel titanium alloy barb.
8. The outer frame for the valve annulus of various different forms according to claim 1, wherein the thin rod (12) at the most middle position among the thin rods (12) on the top end of the head of the valve frame (1) and the barbs (13) on the bottom end of the head of the valve frame (1) are symmetrically arranged up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410204196.XA CN117838393A (en) | 2024-02-23 | 2024-02-23 | Outer frame suitable for various different forms of annuloplasty rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410204196.XA CN117838393A (en) | 2024-02-23 | 2024-02-23 | Outer frame suitable for various different forms of annuloplasty rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117838393A true CN117838393A (en) | 2024-04-09 |
Family
ID=90533007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410204196.XA Pending CN117838393A (en) | 2024-02-23 | 2024-02-23 | Outer frame suitable for various different forms of annuloplasty rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117838393A (en) |
-
2024
- 2024-02-23 CN CN202410204196.XA patent/CN117838393A/en active Pending
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