WO2014029379A1 - Implantat und verfahren zu seiner herstellung - Google Patents
Implantat und verfahren zu seiner herstellung Download PDFInfo
- Publication number
- WO2014029379A1 WO2014029379A1 PCT/DE2013/000466 DE2013000466W WO2014029379A1 WO 2014029379 A1 WO2014029379 A1 WO 2014029379A1 DE 2013000466 W DE2013000466 W DE 2013000466W WO 2014029379 A1 WO2014029379 A1 WO 2014029379A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stiffening element
- implant according
- implant
- magnesium
- coating
- Prior art date
Links
- 239000007943 implant Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title description 6
- 230000017423 tissue regeneration Effects 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims description 37
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 33
- 239000011777 magnesium Substances 0.000 claims description 29
- 229910052749 magnesium Inorganic materials 0.000 claims description 28
- 239000000126 substance Substances 0.000 claims description 27
- 210000000988 bone and bone Anatomy 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 15
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 11
- 230000000844 anti-bacterial effect Effects 0.000 claims description 10
- 102000008186 Collagen Human genes 0.000 claims description 9
- 108010035532 Collagen Proteins 0.000 claims description 9
- 229920001436 collagen Polymers 0.000 claims description 9
- 210000001519 tissue Anatomy 0.000 claims description 9
- 238000002048 anodisation reaction Methods 0.000 claims description 8
- 210000004872 soft tissue Anatomy 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000012010 growth Effects 0.000 claims description 5
- 230000002107 myocardial effect Effects 0.000 claims description 5
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000001506 calcium phosphate Substances 0.000 claims description 3
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 3
- 235000011010 calcium phosphates Nutrition 0.000 claims description 3
- 229920000620 organic polymer Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 229920002955 Art silk Polymers 0.000 claims description 2
- 102000009123 Fibrin Human genes 0.000 claims description 2
- 108010073385 Fibrin Proteins 0.000 claims description 2
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 claims description 2
- 230000000975 bioactive effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229950003499 fibrin Drugs 0.000 claims description 2
- 229920000592 inorganic polymer Polymers 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000010478 bone regeneration Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 210000002808 connective tissue Anatomy 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 239000000316 bone substitute Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000013270 controlled release Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 210000000981 epithelium Anatomy 0.000 description 2
- 210000004195 gingiva Anatomy 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002062 proliferating effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- -1 titanium Chemical class 0.000 description 2
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
- 102000016289 Cell Adhesion Molecules Human genes 0.000 description 1
- 108010067225 Cell Adhesion Molecules Proteins 0.000 description 1
- 102000004127 Cytokines Human genes 0.000 description 1
- 108090000695 Cytokines Proteins 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 208000006389 Peri-Implantitis Diseases 0.000 description 1
- 108700005077 Viral Genes Proteins 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000002449 bone cell Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920002674 hyaluronan Polymers 0.000 description 1
- 229960003160 hyaluronic acid Drugs 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 208000028169 periodontal disease Diseases 0.000 description 1
- 239000013612 plasmid Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000002626 targeted therapy Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/047—Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/30—Inorganic materials
- A61L27/32—Phosphorus-containing materials, e.g. apatite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/34—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/58—Materials at least partially resorbable by the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/18—Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/34—Materials or treatment for tissue regeneration for soft tissue reconstruction
Definitions
- the invention relates to an implant for tissue regeneration and / or bone regeneration and to a process for its production.
- the problem here is that epithelial and connective tissue grow faster than bone tissue and cells of the paradontal ligament. Therefore, attempts are made to prevent the defects from being prematurely interwoven with epithelial and connective tissue, so that the filling or joining of the defects by the bone is disturbed or prevented. Therefore, the cavities filled or filled with bone replacement material and / or autologous bone are filled with an i.d.R. collagen-based membrane covered.
- the membrane provides the typical "tent roof function" and keeps the cavity upright and free, allowing the target tissue, such as bone, to grow in without intractable connective tissue growing in. Over the membrane, the gingiva, ie the gums, are closed again.
- the object of the present invention is to improve the prior art or to provide an alternative to the side.
- This object is achieved according to a first aspect of the invention, an implant in the form of a support body for tissue regeneration, in particular the bone or soft tissue regeneration, wherein the support body has a stiffening element and a membrane, wherein the stiffening element is plastically deformable and magnesium and / or has a magnesium alloy, and wherein the membrane provides a planar structure, for example for protection against the growth of tissue.
- an implant in the form of a support body for tissue regeneration, in particular bone or soft tissue regeneration, wherein the support body has a stiffening element and a membrane, wherein the stiffening element is plastically deformable and magnesium and / or a magnesium alloy, and wherein the membrane provides a laminar structure for (i) protection against tissue ingrowth or targeted passage of particular substances or substances and / or (ii) promoting the growth of particular tissue types in bioactive ones Design or in bioinerter design.
- One or more stiffening elements may also be referred to as a support structure or, better, a stiffening structure.
- a membrane may in particular also be understood as a nonwoven. Nonwovens can be excellently produced as membranes with specifically controllable properties.
- a bioinert membrane can be used.
- a bioinert membrane is ideally applied as a physical barrier in such a way that the membrane forms a cavity to the bone and has a direct contact with the bone surface in the edge area of the bone defect. As a result, rapidly growing cells of the covering soft tissue are prevented from proliferating into the defect, and only the slowly proliferating vascular and bone-forming cells gain access.
- stiffening element is to be understood in the following always as “one or more stiffening elements”, since the presence of several stiffening elements always presupposes the presence of a single stiffening element.
- information with indefinite articles such as “a” two ... “, etc. should be understood as at least information, ie as "At least one” at least two ... “etc., as far as not in the specific case” exactly one ... ",” exactly two ... “etc. emerges from the context as the teaching of the statement.
- the presented aspect of the invention provides an improvement over the previously known supporting bodies both of non-absorbable metals, such as titanium, as well as absorbable plastics. While titanium can be plastically deformed but not resorbed, which means that it must be removed later, resorbable plastics can not be plastically deformed, ie they must already have the form for the respective, but always individual, application to the bone defect exhibit.
- the stiffening element is made entirely of magnesium or magnesium alloy.
- stiffening element Even a design in which the stiffening element only has the magnesium or the magnesium alloy, but does not consist entirely of it, but may be well suited with suitable design. This is especially true when the stiffening element has a part which as such consists entirely of magnesium or a magnesium alloy.
- a "supporting body” means any three-dimensional structure that can and should be used in the context of tissue regeneration, in particular bone and soft-tissue regeneration, in order to create a gap or cavity. while covering at least partially with the membrane and maintaining the shape of adjacent tissue.
- the support body may, viewed in terms of volume and / or volume, consist predominantly of the stiffening element alone.
- a stiffening element is to be understood as any element arranged in or on a supporting body which increases its stability.
- the stiffening element is plastically deformable in a manual manner, especially with forces that can be applied during surgery, for example with forces between 1 N, or better 3 N, and 50 N; sometimes forces up to 100 N can also be useful do.
- the surgeon can then plastically deform the implant, or more precisely its stiffening element, in such a way that it fits in the best possible way for the site to be protected.
- the implant may be provided with a surface coating to be more variably adaptable to the particular site and purpose.
- the stiffening element can be designed, for example, as wire, thread, ribbon or rod, provided that it only has sufficient stability.
- stiffening element is wire or rod-shaped.
- one or more stiffening elements are arranged as a grid, fabric, scrim or knit and / or are connected to one another. This applies both to an arrangement of individual stiffening elements in which, as in the case of a textile, the individual elements at the points of contact do not have a cohesive bond, as well as arrangements in which such a cohesive bond is given, as well as individual stiffening elements, that is, lattice, the consist of a single magnesium body and have recesses (holes).
- Such a single magnesium body may be in its manifestation as a lattice Any number of two-dimensional recesses of different shape, for example, round or elliptical or pronounced as any polygon, and have in any arrangement to each other.
- Such a grid looks similar to textile arrangements (for example a fabric) in shape.
- Such a single magnesia body in its form as a three-dimensional body, may have any number of holes, for example continuously "channels" of any cross-sectional area, for example round or elliptical or any polygon, in any arrangement with respect to each other and in all three axial directions
- the stiffening elements can be used, for example, in any combination, that is to say both as individual elements and combined as a grid, mesh, fabric, scrim, mesh, scaffold, or the like may have a three-dimensional shape, or be bendable in such a way.
- the stiffening elements of magnesium are absorbed and a second intervention to remove the stiffening elements is eliminated.
- the stiffening element can be designed as a three-dimensional body.
- a three-dimensional body is to be understood in particular as a latticed skeleton structure.
- the stiffening element has one or more layers.
- the absorption can be controlled or delayed by the magnesium is optionally provided with a coating.
- by anodization or plasma-chemical anodization with sparking is a layer with ceramic properties on the surface which is chemically more stable and thus specifically influences the degradation.
- other or combined layer systems can be used, for example organic polymer coatings.
- the surface may comprise one or more layers, in particular a calcium phosphate layer and / or an oxide layer.
- the calcium phosphate layer may be, for example, hydroxyapatite or ⁇ - or ⁇ -tricalcium phosphate.
- the oxide layer may be, for example, magnesium oxide or other mixed oxides. These substances are typically produced in the context of anodization or plasma-chemical anodization or, in the context of these, are incorporated as particles into the layer, wherein the magnesium is oxidized.
- the oxide layer is firmly connected to the base body. Due to the chemical stability of the layer, the layer improves the protection against corrosive attack on the surface and specifically influences the absorption.
- the above-mentioned substances may also be mixed. Any layers can also occur behind each other in any combination.
- the last layer may also consist of an organic coating, in particular an organic polymer and / or of an inorganic coating, in particular an inorganic polymer, or may contain such constituents.
- an organic coating in particular an organic polymer and / or of an inorganic coating, in particular an inorganic polymer, or may contain such constituents.
- Topcoating can be carried out in the form of a sol-gel coating, in particular with a silane or an epoxy-silane. After firing in the oven remains only the inorganic part, so for example, the silane, which may have glass or at least silicon-like properties; if not so hot burned, then remains epoxy silane.
- this layer may be loaded with organic or inorganic active substances, for example cell adhesion molecules for optimizing cell niche, cytokines (growth or differentiation factors) and viral or non-viral gene vectors (including plasmids).
- the stated object solves an implant with a stiffening element in the form of a thread, bands or wire, wherein the support body is manually plastically deformable, and wherein the implant magnesium or a magnesium alloy as a material for the stiffening element and additionally has an antibacterial coating.
- the coating may preferably be applied directly on the magnesium or the alloy or on an anodized surface.
- a three-dimensional body can be constructed such that one or more wires, threads, bands and / or rods are arranged as a grid, fabric, scrim or knit or, for example, a trick or braid and / or connected to one another.
- the support body has a carrier substance, for example for an antibacterial coating, in particular a native or artificial collagen or a fibrin or a natural or artificial silk or another natural protein or a polymer, such as PLA or PTFE.
- a carrier substance for example for an antibacterial coating, in particular a native or artificial collagen or a fibrin or a natural or artificial silk or another natural protein or a polymer, such as PLA or PTFE.
- a generally completely or partially resorbable thread of silk for example N-fibroin or collagen or another natural protein or a polymer, such as PLA or PTFE, which by means of a magnesium wire of the so-called Magnesium soul is stabilized in the middle of the thread.
- the magnesium wire serves to increase the stability of the thread and facilitates the often quite difficult application in the sulcus.
- such a thread can be applied in the tooth sulcus or in the preimplantation sulcus.
- the thread can be applied both without joining and with connecting the ends in the sulcus. be graced.
- the compound can be fabric, non-positive or positive, for example, be made by twisting.
- the shape of the thread, as well as the magnesium core can be either round, elliptical, rectangular or wavy or have the shape of any polygon.
- a connection between the magnesium core and the outer carrier substance can also be made non-positively, material or positive.
- the magnesium can be glued or inserted or the carrier substance can be built around the magnesium core.
- a membrane of a carrier substance may have pockets which are incorporated into the membrane.
- a connection of a resorbable membrane with a structure of stiffening elements can be made by inserting them into the pockets, as occurs in the struts of a kite, which are inserted into the corners of a kite.
- the support structure can be glued or glued into the support body, fastened by rivet, staple, or plug-in connections, sewn with a possibly resorbable thread, or incorporated into the support body, such as a membrane, during the manufacturing process.
- Last means that the material of the support body is built around the support structure.
- a three-dimensional support body for example a collagen body in the form of a cone
- individual rods can be integrated into the body.
- a plurality of rods can also be designed to be continuous, for example as in a truss construction.
- Other shapes are possible.
- an outermost layer has an antibacterial substance or an antibiotic.
- a resorbable thread be loaded with an antibacterial substance. When applied in the tooth sulcus or in the preimplantation sulcus a controlled release of the antibacterial substance takes place.
- the absorbable suture serves as an adjuvant in the treatment of periodontal disease with pocket formation in adults or in peri-implantitis therapy.
- a membrane may also be loaded with a biofunctional substance, for example antibacterial.
- the stated object solves a myocardial patch, specifically an implant in the form of a myocardial patch, wherein the implant has a support body in the form of a stiffening element, wherein the stiffening element is manually plastically deformable and magnesium and / or a Has magnesium alloy.
- an implant in the form of a myocardial patch may also have further properties and features of the other implants described in the context of the present patent application.
- tissue regeneration in particular bone and soft tissue regeneration.
- myocardial patches for example, can stabilize a tissue that has died of myocardial infarction on the heart wall by means of a support body, for example artificial, magnesium-reinforced tissue or only by a magnesium support structure.
- a stiffening element can be connected to a carrier substance, in particular by sewing, weaving, sticking, gluing or laying.
- the support structure can be applied to a carrier substance or the carrier substance can surround the support structure. structure to be built around.
- hyaluronic acid can be used as a primer layer.
- a stiffening element can be incorporated as a middle layer, in particular pressed in.
- Figure 2 schematically shows the use of a resorbable thread in Zahnsulcus
- FIG. 4 shows a collagen membrane with resorbable magnesium support structure.
- the resorbable thread 1 in FIG. 1 has a magnesium core 2 which is surrounded by a carrier substance 3. On the surface of the carrier substance 3 there is a biofunctional loading, for example in the form of an antibacterial or antibiotic substance 4.
- This thread 1 is applied as shown in FIG. 2 into the sulcus 5 between the gingiva 6 and the implant 7 with the abutment 8.
- the implant 7 is surrounded by BCnochen 9 and superkrestalem connective tissue 10. Due to the controlled release of the antibacterial substance directly in the sulcus, a targeted therapy can be carried out.
- Stiffening elements can have numerous shapes as shown in FIG. Thus, rather rod-shaped structures can be formed, which may be connected to several as network or fabric structures such as a textile with each other. It is also possible to use plate-like structures rather than connected guitars. ter, that is, as a single body with recesses are formed.
- the shapes may be symmetrical or asymmetrical. In particular, it may be a wire (i) a fabric (ii) or a knit (iii) rod forms (iv) to (ix), lattice forms (xx to xxxvii) or a three-dimensional skeleton structure (xxxviii).
- a collagen membrane (22) is supported by the stiffening element (23). This stiffening element (23) is bendable, so that the stiffening element (23) and thus the composition of collagen membrane (22) and stiffening element (23) as a supporting body (21) a quasi arbitrary shape can be given.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Epidemiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013004100.6T DE112013004100B4 (de) | 2012-08-20 | 2013-08-20 | Implantat und Verfahren zu seiner Herstellung |
EP13801975.7A EP2885014B8 (de) | 2012-08-20 | 2013-08-20 | Implantat und verfahren zu seiner herstellung |
ES13801975T ES2887021T3 (es) | 2012-08-20 | 2013-08-20 | Implante y método para su fabricación |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012016335 | 2012-08-20 | ||
DE102012016335.5 | 2012-08-20 | ||
DE102013004420.0 | 2013-03-15 | ||
DE102013004420.0A DE102013004420A1 (de) | 2012-08-20 | 2013-03-15 | Stützkörper und Verfahren zu seiner Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014029379A1 true WO2014029379A1 (de) | 2014-02-27 |
Family
ID=50029643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2013/000466 WO2014029379A1 (de) | 2012-08-20 | 2013-08-20 | Implantat und verfahren zu seiner herstellung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2885014B8 (de) |
DE (2) | DE102013004420A1 (de) |
ES (1) | ES2887021T3 (de) |
WO (1) | WO2014029379A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108030960A (zh) * | 2017-12-22 | 2018-05-15 | 重庆医科大学附属永川医院 | 一种促进骨创伤愈合的植入材料及其制备方法 |
Citations (11)
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WO1997032616A1 (de) | 1996-03-04 | 1997-09-12 | Axel Kirsch | Abdeckmembran, daraus hergestellter formkörper und verfahren zu deren herstellung |
DE102004036954A1 (de) | 2004-07-21 | 2006-03-16 | Ossacur Ag | Implantierbarer Körper für die Spinalfusion |
US20060089715A1 (en) * | 2004-06-07 | 2006-04-27 | Csaba Truckai | Implants and methods for treating bone |
WO2006077154A2 (de) | 2005-01-20 | 2006-07-27 | Biotronik Vi Patent Ag | Absorbierbares medizinisches implantat aus faserverstärktem magnesium oder faserverstärkten magnesiumlegierungen |
WO2008064672A2 (de) | 2006-11-27 | 2008-06-05 | Berthold Nies | Knochenimplantat sowie set zur herstellung von knochenimplantaten |
WO2008103101A1 (en) * | 2007-02-19 | 2008-08-28 | Ticapex Ab | Implant assembly |
US20090187258A1 (en) * | 2008-01-17 | 2009-07-23 | Wing Yuk Ip | Implant for Tissue Engineering |
DE102010008357A1 (de) * | 2010-02-17 | 2011-08-18 | Gottfried Wilhelm Leibniz Universität Hannover, 30167 | Stützelement für Gewebeimplantate |
US20110301696A1 (en) * | 2010-06-07 | 2011-12-08 | Mangiardi Eric K | Device and method for management of aneurism, perforation and other vascular abnormalities |
DE102011107577A1 (de) | 2011-07-11 | 2013-01-17 | Meotec GmbH & Co. KG | Implantat, Bauteilset, Verfahren zur Herstellung eines Implantats und/oder eines Bauteilsets und Vorrichtung zur Herstellung eines Implantats und/oder eines Bauteilsets |
EP2578245A2 (de) | 2011-09-01 | 2013-04-10 | Covidien LP | Mit Hydrogel beschichtete medizinische Magnesiumimplantate |
Family Cites Families (4)
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US6599323B2 (en) | 2000-12-21 | 2003-07-29 | Ethicon, Inc. | Reinforced tissue implants and methods of manufacture and use |
JP2004521115A (ja) | 2001-01-25 | 2004-07-15 | ニコメド ファーマ エイエス | 固体フィブリノーゲンおよび固体トロンビンを有する担体 |
DE102006011348B4 (de) | 2006-03-11 | 2015-10-08 | Biotronik Vi Patent Ag | Verfahren zur Erzeugung einer in physiologischer Umgebung korrosionshemmenden Schicht auf einem Formkörper |
JP2010082146A (ja) | 2008-09-30 | 2010-04-15 | Gc Corp | 生体吸収性組織再生誘導膜体 |
-
2013
- 2013-03-15 DE DE102013004420.0A patent/DE102013004420A1/de not_active Withdrawn
- 2013-08-20 ES ES13801975T patent/ES2887021T3/es active Active
- 2013-08-20 DE DE112013004100.6T patent/DE112013004100B4/de active Active
- 2013-08-20 EP EP13801975.7A patent/EP2885014B8/de active Active
- 2013-08-20 WO PCT/DE2013/000466 patent/WO2014029379A1/de active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1997032616A1 (de) | 1996-03-04 | 1997-09-12 | Axel Kirsch | Abdeckmembran, daraus hergestellter formkörper und verfahren zu deren herstellung |
US20060089715A1 (en) * | 2004-06-07 | 2006-04-27 | Csaba Truckai | Implants and methods for treating bone |
DE102004036954A1 (de) | 2004-07-21 | 2006-03-16 | Ossacur Ag | Implantierbarer Körper für die Spinalfusion |
WO2006077154A2 (de) | 2005-01-20 | 2006-07-27 | Biotronik Vi Patent Ag | Absorbierbares medizinisches implantat aus faserverstärktem magnesium oder faserverstärkten magnesiumlegierungen |
WO2008064672A2 (de) | 2006-11-27 | 2008-06-05 | Berthold Nies | Knochenimplantat sowie set zur herstellung von knochenimplantaten |
WO2008103101A1 (en) * | 2007-02-19 | 2008-08-28 | Ticapex Ab | Implant assembly |
US20090187258A1 (en) * | 2008-01-17 | 2009-07-23 | Wing Yuk Ip | Implant for Tissue Engineering |
DE102010008357A1 (de) * | 2010-02-17 | 2011-08-18 | Gottfried Wilhelm Leibniz Universität Hannover, 30167 | Stützelement für Gewebeimplantate |
US20110301696A1 (en) * | 2010-06-07 | 2011-12-08 | Mangiardi Eric K | Device and method for management of aneurism, perforation and other vascular abnormalities |
DE102011107577A1 (de) | 2011-07-11 | 2013-01-17 | Meotec GmbH & Co. KG | Implantat, Bauteilset, Verfahren zur Herstellung eines Implantats und/oder eines Bauteilsets und Vorrichtung zur Herstellung eines Implantats und/oder eines Bauteilsets |
EP2578245A2 (de) | 2011-09-01 | 2013-04-10 | Covidien LP | Mit Hydrogel beschichtete medizinische Magnesiumimplantate |
Non-Patent Citations (1)
Title |
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KLOCKE ET AL.: "EDM machining capabilities of magnesium (Mg) alloy WE43 for medical applications", SCIVERSE SCIENCEDIRECT, PROCEDIA ENGINEERING, vol. 19, 2011, pages 190 - 195, XP028121513, DOI: doi:10.1016/j.proeng.2011.11.100 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108030960A (zh) * | 2017-12-22 | 2018-05-15 | 重庆医科大学附属永川医院 | 一种促进骨创伤愈合的植入材料及其制备方法 |
CN108030960B (zh) * | 2017-12-22 | 2021-04-13 | 重庆医科大学附属永川医院 | 一种促进骨创伤愈合的植入材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2885014B8 (de) | 2021-09-08 |
EP2885014A1 (de) | 2015-06-24 |
ES2887021T3 (es) | 2021-12-21 |
DE112013004100B4 (de) | 2021-06-17 |
DE102013004420A1 (de) | 2014-02-20 |
DE112013004100A5 (de) | 2015-05-07 |
EP2885014B1 (de) | 2021-06-30 |
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