The present invention relates to a composition for use in FDM 3D printers, the composition comprising bioglass and a biocompatible polymer resin. In addition, the present invention relates to a molded article produced by an FDM 3D printer, the molded article having a structure in which the composition for use in FDM 3D printers is injection-molded into struts laminated in four layers. Further, the present invention relates to a method for producing the composition for use in FDM 3D printers, the method comprising the steps of: (1) sintering bioglass; (2) mixing the sintered bioglass with a biocompatible polymer resin to prepare a composition; (3) feeding the composition into a freezer mill to pulverize the composition; and (4) melting the pulverized composition. The present invention advantageously solves the problem of brittleness inherent in medical/biological molded articles produced by FDM 3D printers, and thus can provide molded articles having excellent toughness and biocompatibility.
C08L 101/00 - Compositions contenant des composés macromoléculaires non spécifiés
B32B 27/18 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers
B29C 64/165 - Procédés de fabrication additive utilisant une combinaison de matériaux solides et liquides, p. ex. une poudre avec liaison sélective par liant liquide, catalyseur, inhibiteur ou absorbeur d’énergie
B33Y 70/10 - Composites de différents types de matériaux, p. ex. mélanges de céramiques et de polymères ou mélanges de métaux et de biomatériaux
B33Y 80/00 - Produits obtenus par fabrication additive
2.
Composition for FDM 3D printer, method of manufacturing the same, and molded article
A composition for a FDM 3D printer is disclosed. The composition contains bioglass and a biocompatible polymer resin. In addition, a FDM 3D printer molded article having a laminated strut structure, in which the composition for the FDM 3D printer is injected into four layers, is disclosed.
C04B 35/22 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base de silicates autres que l'argile riches en oxyde de calcium
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
Disclosed is a scaffold for a living donor transplantation with physical properties improved by using a 3D printer that uses a fused deposition modeling method and includes sintered bioglass and a biocompatible polymer.
A61L 27/44 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent comportant une matrice macromoléculaire
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
B33Y 80/00 - Produits obtenus par fabrication additive
22, and a binder solution. By injecting the composition for FDM 3D printers in the form of a paste into a FDM 3D printer, a molded product can be quickly manufactured without a melting process, and various geometric structures can be precisely implemented. Therefore, the composition can be utilized as a biological body substitute for medical use.
C04B 35/03 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxyde de magnésium, d'oxyde de calcium ou de mélanges d'oxydes dérivés de la dolomite
The present invention relates to a collagen membrane and a manufacturing method thereof, and particularly, to a collagen membrane for treating periodontal tissues by easy surgical procedure, by optimizing the appropriate concentrations of collagen and a crosslinking agent to provide high tensile strength in short decomposition time, and a manufacturing method thereof.
The present invention relates to a stent comprising: a metal stent; a titanium oxide layer coated on the metal stent; and a material layer coated on the titanium oxide layer.
Provided are granule aggregate for a substituting bone and a manufacturing method thereof. More particularly, provided are granule aggregate for a substituting bone which optimizes the composition of a calcium phosphate compound and collagen in order to prevent a substituting bone from being falling into small pieces even when constant shear force is applied, thereby facilitating the supply of the substituting bone to a bone defect portion or a tooth extraction portion both of which require filling, and a manufacturing method thereof.
A61L 27/42 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent comportant une matrice inorganique
A61L 27/54 - Matériaux biologiquement actifs, p. ex. substances thérapeutiques
A61F 2/46 - Outils particuliers pour l'implantation des articulations artificielles
A bone substitute implant is provided. A bone substitute implant according to an embodiment of the present invention comprises: a synostosis member which comprises a body made of a bioactive crystallized glass material, and which contacts the surface of an adjacent bone so as to fuse therewith; an implant body to be retained between adjacent bones; and a buffer member arranged between the synostosis member and the implant body such that the synostosis member and the implant body are spaced from each other.
A61F 2/44 - Articulations pour l'épine dorsale, p. ex. vertèbres, disques intervertébraux
A61B 17/70 - Dispositifs de mise en position ou de stabilisation de la colonne vertébrale, p. ex. stabilisateurs comprenant un liquide de remplissage dans un implant
The present invention relates to a medical catheter apparatus comprising an injection tube, a first balloon catheter and a second balloon catheter, wherein the first balloon catheter and the second balloon catheter are disposed in order on the injection tube. The medical catheter apparatus can comprise a third balloon catheter or a stent.
The present invention relates to a method of producing a medical material for replacing lost portions of hard tissue, and a medical material produced through same and, more particularly, provides a medical material by pressure forming a bioactive glass powder, then conducting a first heat treatment at a relatively low temperature lower than the glass transition temperature of the bioactive glass, and then processing into a desired shape and conducting a second heat treatment at a temperature higher than the glass transition temperature of the bioactive glass, in order to overcome the low compression strength drawback of hydroxyapatite, which is used as an existing hard tissue replacement material, while enabling the custom production of a desired shape that fits the shape of a lost portion of hard tissue in vivo, minimizing thermal shock, and being able to exhibit bone fusion properties as well.
The present application relates to a biodegradable magnesium stent of which the in vivo biodegradation rate is controlled, and a preparation method therefor.
The present invention relates to a bioabsorbable radiopaque marker composition and a surgical article comprising the same. The bioabsorbable radiopaque marker composition according to the present invention comprises iodine, xenon, or a combination thereof. If the surgical article according to the present invention is used, it is possible to accurately trace and observe the position of a stent, etc. within the human body.
A61L 17/14 - Post-traitement afin d'améliorer les propriétés physiques
A61B 19/00 - Instruments, outillage ou accessoires pour la chirurgie ou le diagnostic non couverts par l'un des groupes A61B 1/00-A61B 18/00, p.ex. pour stéréotaxie, opération aseptique, traitement de la luxation, protecteurs des bords des blessures(masques de protection du visage A41D 13/11; blouses de chirurgien ou vêtements pour malades A41D 13/12; dispositifs pour retirer, traiter ou transporter les liquides du corps A61M 1/00)
13.
SYSTEM FOR PRODUCING ARTIFICIAL OSSEOUS TISSUE AND METHOD FOR PRODUCING SAME
The present invention relates to a system for producing artificial osseous tissue and a method for producing same. The system for producing artificial osseous tissue, according to one embodiment of the present invention, may comprise: a client computer which obtains three-dimensional image information of osseous tissue, of a patient, that is being subjected to surgery from a photographing unit photographing the osseous tissue that is being subjected to surgery and generating the image information, and which connects to a network for transmitting the image information, and which comprises a user interface for outputting user input or information; a server computer which identifies the osseous tissue that is being subjected to surgery on the basis of the image information of the osseous tissue that is being subjected to surgery received from the client computer, and which generates at least one or more three-dimensional image information of a osseous tissue model for treatment corresponding to the osseous tissue that is being subjected to surgery, and which transmits, to the client computer, the at least one or more three-dimensional image information of the osseous tissue model for treatment so that the client computer verifies and confirms the at least one or more image information of the osseous tissue model for treatment; and a manufacturing unit which produces an artificial osseous tissue on the basis of the three-dimensional image information of the osseous tissue model for treatment confirmed by the server computer.
A61B 34/00 - Chirurgie assistée par ordinateurManipulateurs ou robots spécialement adaptés à l’utilisation en chirurgie
G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
The present invention relates to a crystallized glass ceramic comprising 30 to 40 % by weight of each of CaSiO3, Ca10(PO4)6(OH)2 and Ca2Mg(Si2O7), a crystallized glass ceramic composition comprising CaSiO3, Ca10(PO4)6(OH)2 and Ca2Mg(Si2O7) in a predetermined weight ratio, a bone graft material comprising the glass ceramic, and a medical device for replacement of osseous tissue, or an intervertebral spacer, which is manufactured using the bone graft material.
C03C 10/06 - Phase cristalline d'aluminosilicate d'un oxyde de métal divalent, p. ex. anorthite, vitrocéramiques à base de laitier
C03C 10/00 - Verre dévitrifié ou vitrocéramiques, c.-à-d. verre ou céramiques ayant une phase cristalline dispersée dans la phase vitreuse et constituant au moins 50% en poids de la composition
15.
AN INJECTABLE COMPOSITION FOR BONE DEFECTS AND A PREPARATION METHOD THEREOF
The present invention relates to a bone graft composition and a preparation method thereof, and more particularly to a bone graft composition, which is in the form of a porous scaffold comprising calcium phosphate compound particles, silk fibroin and poloxamer in a certain mixed ratio, and a preparation method thereof. Since the bone graft composition of the present invention can be changed into various shapes in a wet state and has an excellent ability to restore its original shape, it can be conveniently implanted and densely filled in bone defects.
The present invention relates to a bone graft composition and a preparation method thereof, and more particularly to a bone graft composition having excellent physical properties, which comprises a hydrogel comprising a combination of specific amounts of poloxamer and HPMC, and calcium phosphate compound particles, and a preparation method thereof.
brevets
