Next21 K.K.

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2021 1
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IPC Class
A61L 27/00 - Materials for prostheses or for coating prostheses 7
A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups 6
A61K 31/7016 - Disaccharides, e.g. lactose, lactulose 5
C07H 3/04 - Disaccharides 4
A61F 2/28 - Bones 3
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Found results for  patents

1.

MEDICINE CONTAINING TREHALOSE OR TREHALOSE DERIVATIVE AND NASAL SPRAY

      
Application Number JP2021015605
Publication Number 2021/210648
Status In Force
Filing Date 2021-04-15
Publication Date 2021-10-21
Owner NEXT21 KABUSHIKI KAISHA (Japan)
Inventor
  • Suzuki, Shigeki
  • Sasaki, Nobuo
  • Chung, Ungil
  • Shimohata, Nobuyuki

Abstract

There is provided with a pharmaceutical composition for use in protecting a respiratory tract or a lung from damage. The pharmaceutical composition comprises trehalose or a trehalose derivative.

IPC Classes  ?

  • A61K 31/7016 - Disaccharides, e.g. lactose, lactulose
  • A61K 9/08 - Solutions
  • A61K 9/12 - AerosolsFoams
  • A61K 9/14 - Particulate form, e.g. powders
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
  • A61K 47/08 - Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61P 11/00 - Drugs for disorders of the respiratory system
  • A61P 31/04 - Antibacterial agents
  • A61P 31/12 - Antivirals
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups

2.

NSAIDs-induced gastrointestinal mucosal disorder alleviator and manufacturing method thereof

      
Application Number 14295154
Grant Number 09452180
Status In Force
Filing Date 2014-06-03
First Publication Date 2014-10-30
Grant Date 2016-09-27
Owner Next21 K.K. (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

A method of manufacturing a medical drug of alleviating damage of gastrointestinal mucosal induced by a non-steroidal anti-inflammatory drug, NSAID, the medical drug being able to induce anti-inflammatory effect of the NSAID and being able to alleviate damage induced by the NSAID includes dissolving trehalose and the NSAID into one or more solutions, so as to obtain an approximately homogenously-mixed liquid mixture of the trehalose and the NSAID; in which the liquid mixture contains an intermolecular compound with the trehalose and the NSAID; and drying the liquid mixture so as to obtain the medical drug.

IPC Classes  ?

  • C07H 3/04 - Disaccharides
  • A61K 31/7016 - Disaccharides, e.g. lactose, lactulose
  • A61K 31/192 - Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
  • A61K 31/196 - Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
  • A61K 31/405 - Indole-alkanecarboxylic acidsDerivatives thereof, e.g. tryptophan, indomethacin
  • A61K 31/5415 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with carbocyclic ring systems, e.g. phenothiazine, chlorpromazine, piroxicam
  • A61K 31/616 - Salicylic acidDerivatives thereof having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid by carboxylic acids, e.g. acetylsalicylic acid
  • A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
  • A61K 47/26 - Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharidesDerivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin

3.

THERAPEUTIC AGENT FOR INFLAMMATORY RESPIRATORY DISEASES COMPRISING TREHALOSE

      
Application Number JP2012060893
Publication Number 2012/147705
Status In Force
Filing Date 2012-04-23
Publication Date 2012-11-01
Owner NEXT21 K.K. (Japan)
Inventor
  • Suzuki Shigeki
  • Tei Yuichi
  • Sasaki Nobuo
  • Chihara Junichi
  • Itou Wataru

Abstract

[Problem] The purpose of the present invention is to provide a therapeutic agent for inflammatory respiratory diseases, which has excellent biocompatibility. [Solution] The present invention is achieved essentially on the basis of working examples in which inflammatory respiratory diseases can be treated with trehalose or a derivative thereof. The therapeutic agent for inflammatory respiratory diseases according to the present invention comprises trehalose as an active ingredient. Therefore, it becomes possible to provide a therapeutic agent for inflammatory respiratory diseases, which has excellent biocompatibility. Particularly, the present invention can be used effectively as a therapeutic agent for bronchial asthma.

IPC Classes  ?

  • A61K 31/7016 - Disaccharides, e.g. lactose, lactulose
  • A61K 31/56 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61P 11/00 - Drugs for disorders of the respiratory system
  • A61P 11/06 - Antiasthmatics
  • A61P 11/08 - Bronchodilators
  • A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]
  • A61P 37/08 - Antiallergic agents
  • C07H 3/04 - Disaccharides

4.

THERAPEUTIC OR PROPHYLACTIC AGENT FOR KELOID OR HYPERTROPHIC SCAR, AND AGENT FOR INHIBITING TISSUE HYPERTROPHY IN INJURED PART OF AIRWAY

      
Application Number JP2011078040
Publication Number 2012/077622
Status In Force
Filing Date 2011-12-05
Publication Date 2012-06-14
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Sasaki Nobuo
  • Tei Yuichi
  • Suzuki Shigeki

Abstract

[Problem] To provide a therapeutic and prophylactic agent for keloid or hypertrophic scar. [Solution] A therapeutic and prophylactic agent for keloid or hypertrophic scar, said agent comprising trehalose as the active ingredient. The aforesaid prophylactic agent for keloid or hypertrophic scar can be preferably used as an agent which is to be administered to a surgical site after surgery. As Example shows, the agent according to the present invention can effectively cure keloid or hypertrophic scar and prevent the same due to trehalose that is contained therein as the active ingredient.

IPC Classes  ?

  • C07H 3/04 - Disaccharides
  • A61K 31/7016 - Disaccharides, e.g. lactose, lactulose
  • A61P 11/00 - Drugs for disorders of the respiratory system
  • A61P 17/02 - Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like

5.

Resin product for medical use and respiration-assisting tube

      
Application Number 13265880
Grant Number 08957173
Status In Force
Filing Date 2010-04-26
First Publication Date 2012-04-26
Grant Date 2015-02-17
Owner
  • Next21 K.K. (Japan)
  • NOF Corporation (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Disclosed is a respiration-assisting tube whereby tissue damages in vivo can be prevented and, as a result, inflammatory reactions and infections can be avoided. The respiration-assisting tube is developed based on the finding that adhesion of cells to a respiration-assisting tube can be inhibited by coating the respiration-assisting tube with a polymer containing 2-methacryloyloxyethyl phosphorylcholine (MPC). Also, the respiration-assisting tube is developed based on the finding that, by coating a respiration-assisting tube with a polymer containing MPC, mucosa peeling and tissue damages, which occur after using the respiration-assisting tube, can be prevented and, as a result, inflammatory reactions can be avoided.

IPC Classes  ?

  • A61M 16/04 - Tracheal tubes
  • B05D 1/18 - Processes for applying liquids or other fluent materials performed by dipping
  • B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
  • B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
  • C09D 143/02 - Homopolymers or copolymers of monomers containing phosphorus
  • A61L 17/14 - Post-treatment to improve physical properties
  • A61L 29/08 - Materials for coatings

6.

THREE-DIMENSIONALLY MOLDABLE LATTICE STRUCTURE

      
Application Number JP2011070747
Publication Number 2012/036129
Status In Force
Filing Date 2011-09-12
Publication Date 2012-03-22
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
  • THE UNIVERSITY OF KOGAKUIN (Japan)
Inventor
  • Suzuki Shigeki
  • Ka Kenbai
  • Tei Yuichi
  • Sasaki Nobuo

Abstract

[Problem] The objective of the present invention is to provide a flexible and highly stretchable lattice. Also, the objective of the present invention is to provide a lattice that, by adjusting the modulus of elasticity by means of the structure of the material thereof, can be caused to conform to the modulus of elasticity of a material to be composited. [Solution] The lattice structure (100) includes: a plurality of lattice bridges (10) that curve or bend in an S-shape; and a plurality of lattice points at which the ends of three lattice bridges (10) from among the plurality of lattice bridges (10) are joined. Also, the plurality of lattice bridges (10) and the plurality of lattice points (20) demarcate a plurality of lattice openings (30). Here, each of the lattice openings (30) is demarcated by means of being enclosed by six lattice bridges (10) and six lattice points (20) among the plurality of lattice bridges (10) and the plurality of lattice points (20). As a result, the lattice structure (100) is flexible and has high stretchability.

IPC Classes  ?

7.

Artificial bone material having controlled calcium ion elution

      
Application Number 13002148
Grant Number 08906111
Status In Force
Filing Date 2009-07-01
First Publication Date 2011-07-28
Grant Date 2014-12-09
Owner Next21 K.K. (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Disclosed is an artificial bone material having controlled calcium ion elution, which does not induce cytotoxicity or any inflammatory response. It is found that the elution of a calcium ion from an artificial bone material for transplantation which contains a calcium-containing substance can be prevented effectively by subjecting the carrier to a surface treatment or adding a surface-treating agent to the carrier. It is also found that the induction of cytotoxicity can be prevented and the induction of an inflammatory response can also be prevented by using the above-mentioned carrier having controlled calcium ion elution.

IPC Classes  ?

  • A61L 27/00 - Materials for prostheses or for coating prostheses
  • A61L 27/50 - Materials characterised by their function or physical properties
  • A61L 27/12 - Phosphorus-containing materials, e.g. apatite

8.

EXTERNAL PREPARATION CONTAINING NSAIDs AND METHOD FOR PRODUCING THE EXTERNAL PREPARATION

      
Application Number JP2010004669
Publication Number 2011/010456
Status In Force
Filing Date 2010-07-21
Publication Date 2011-01-27
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Disclosed is an external preparation containing nonsteroidal anti-inflammatory drugs (NSAIDs), which is suppressed in cytotoxicity induced by the NSAIDs. Also disclosed is a method for producing the external preparation. The present invention is based on the finding that skin disorders induced by nonsteroidal anti-inflammatory drugs (NSAIDs) can be suppressed when the NSAIDs form intermolecular compounds together with trehalose, which is an example of disaccharides. A disaccharide other than trehalose may be used therefor.

IPC Classes  ?

  • A61K 31/192 - Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
  • A61K 31/196 - Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
  • A61K 31/405 - Indole-alkanecarboxylic acidsDerivatives thereof, e.g. tryptophan, indomethacin
  • A61K 31/5415 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with carbocyclic ring systems, e.g. phenothiazine, chlorpromazine, piroxicam
  • A61K 31/616 - Salicylic acidDerivatives thereof having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid by carboxylic acids, e.g. acetylsalicylic acid
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
  • A61K 47/26 - Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharidesDerivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
  • A61K 47/48 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers, inert additives the non-active ingredient being chemically bound to the active ingredient, e.g. polymer drug conjugates
  • A61P 17/02 - Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
  • A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups

9.

ARTIFICIAL BONE CONSTRUCTING UNIT AND ARTIFICIAL BONE CONSTRUCTING SYSTEM

      
Application Number JP2010004690
Publication Number 2011/010463
Status In Force
Filing Date 2010-07-22
Publication Date 2011-01-27
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
  • TAMA-TLO (Japan)
Inventor
  • Suzuki, Shigeki
  • Tei, Yuichi
  • Sasaki, Nobuo
  • He, Jianmei

Abstract

Provided are an artificial bone constructing unit which is capable of being built into a free shape according to build-up design, and effectively guiding bone replacement, and an artificial bone system. Specifically disclosed are an artificial bone constructing unit and an artificial bone constructing system, wherein in principal, the artificial bone constructing unit which constructs an artificial bone is so made into a block shape that when blocks are assembled, continuous holes through a plurality of blocks are formed.

IPC Classes  ?

10.

RESIN PRODUCT FOR MEDICAL USE AND RESPIRATION-ASSISTING TUBE

      
Application Number JP2010002977
Publication Number 2010/122817
Status In Force
Filing Date 2010-04-26
Publication Date 2010-10-28
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
  • NOF CORPORATION (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Disclosed is a respiration-assisting tube whereby tissue damages in vivo can be prevented and, as a result, inflammatory reactions and infections can be avoided. The respiration-assisting tube is developed based on the finding that adhesion of cells to a respiration-assisting tube can be inhibited by coating the respiration-assisting tube with a polymer containing 2-methacryloyloxyethyl phosphorylcholine (MPC). Also, the respiration-assisting tube is developed based on the finding that, by coating a respiration-assisting tube with a polymer containing MPC, mucosa peeling and tissue damages, which occur after using the respiration-assisting tube, can be prevented and, as a result, inflammatory reactions can be avoided.

IPC Classes  ?

  • A61L 31/00 - Materials for other surgical articles
  • A61L 29/00 - Materials for catheters or for coating catheters

11.

ULTRA-HIGH STRENGTH INJECTABLE HYDROGEL AND PROCESS FOR PRODUCING THE SAME

      
Application Number JP2009002789
Publication Number 2010/070775
Status In Force
Filing Date 2009-06-19
Publication Date 2010-06-24
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Tei, Yuichi
  • Sakai, Takamasa
  • Sasaki, Nobuo
  • Shibayama, Mitsuhiro
  • Suzuki, Shigeki

Abstract

The object of the present invention is to offer a high strength hydrogel and a process for producing the same. Another object of the present invention is to offer a process for producing hydrogels with different rates of dissolution. The basis of the present invention is the discovery that by adjusting the pH of the solution, the ionic strength in the solution and the buffer concentration in the solution, it is possible to produce a high strength hydrogel. The basis of the present invention is also the discovery that by homogeneously dispersing two tetrabranched compounds and then polymerizing the two tetrabranched compounds, it is possible to produce a high strength hydrogel which has a uniform macromolecular network structure.

IPC Classes  ?

  • C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
  • C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers

12.

NSAIDS-INDUCED GASTROINTESTINAL MUCOSAL DISORDER ALLEVIATOR AND MANUFACTURING METHOD THEREOF

      
Application Number JP2009006603
Publication Number 2010/064441
Status In Force
Filing Date 2009-12-03
Publication Date 2010-06-10
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Provided is an NSAIDs-induced gastrointestinal mucosal disorder alleviator for alleviating gastrointestinal mucosal disorders attributable to NSAIDs. Agents prepared by mixing a sugar into NSAIDs have been known as agents for alleviating gastrointestinal mucosal disorders attributable to NSAIDs. However, the agents prepared by mixing a sugar into NSAIDs have not achieved a sufficient effect in alleviating gastrointestinal mucosal disorders. The inventors discovered a novel NSAIDs-trehalose intermolecular compound. The novel intermolecular compound is capable of markedly inhibiting gastrointestinal mucosal disorders induced by NSAIDs.

IPC Classes  ?

  • A61K 47/26 - Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharidesDerivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
  • A61K 9/14 - Particulate form, e.g. powders
  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K 31/192 - Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
  • A61K 31/196 - Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
  • A61K 31/405 - Indole-alkanecarboxylic acidsDerivatives thereof, e.g. tryptophan, indomethacin
  • A61K 31/5415 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame ortho- or peri-condensed with carbocyclic ring systems, e.g. phenothiazine, chlorpromazine, piroxicam
  • A61K 31/616 - Salicylic acidDerivatives thereof having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid by carboxylic acids, e.g. acetylsalicylic acid
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]

13.

SHEET FOR REPAIRING CARTILAGE DEFECT SITE

      
Application Number JP2009004631
Publication Number 2010/032448
Status In Force
Filing Date 2009-09-16
Publication Date 2010-03-25
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Tei, Yuichi
  • Yano, Fumiko
  • Ikeda, Toshiyuki
  • Saito, Taku
  • Takato, Tsuyoshi
  • Kawaguchi, Hiroshi
  • Suzuki, Shigeki

Abstract

Provided is a method for producing a cartilage cell not undergoing hypertrophic differentiation and a cartilage cell sheet not undergoing hypertrophic differentiation which are to be used for repairing a damaged cartilage site due to, for example, arthrosis deformans.  Also provided are a cartilage cell sheet which can promote cartilage regeneration and a method for producing the same.  Also provided is an agent which promotes cartilage regeneration. It is found out that dedifferentiated cartilage cells can be redifferentiated by administering a compound represented as a thienoindazole derivative (hereinafter abbreviated as TM) to the dedifferentiated cartilage cells or undifferentiated mesenchymal cells.  Also, it is found out that TM induces the initial differentiation of a cartilage and does not promote the hypertrophic differentiation of cartilage cells.  Moreover, it is found out that TM enhances the expression of type 2 collagen that is a cartilage differentiation marker.

IPC Classes  ?

  • A61L 27/00 - Materials for prostheses or for coating prostheses
  • A61K 31/4709 - Non-condensed quinolines containing further heterocyclic rings
  • A61P 19/04 - Drugs for skeletal disorders for non-specific disorders of the connective tissue
  • A61P 43/00 - Drugs for specific purposes, not provided for in groups
  • C07D 495/04 - Ortho-condensed systems

14.

Therapeutic or prophylactic agent for vasoconstriction

      
Application Number 12528116
Grant Number 08283337
Status In Force
Filing Date 2008-02-22
First Publication Date 2010-02-11
Grant Date 2012-10-09
Owner NEXT21 K.K. (Japan)
Inventor
  • Sasaki, Nobuo
  • Tei, Yuichi
  • Echigo, Ryosuke
  • Suzuki, Shigeki
  • Hakukawa, Touru

Abstract

An object of the present invention is to provide an agent for treating or preventing vasospasm. An object of the present invention is to provide an agent for treating or preventing cerebral vasospasm as well as arterial vasospasm. Further, an object of the present invention is to provide an agent for treating or preventing cerebral ischemia and cerebral infarction. The above problems are solved by an agent for treating and preventing vasospasm, cerebral ischemia, or cerebral infarction, comprising trehalose as the active ingredient. It is possible, by using such a trehalose-comprising agent, to suppress phenomena such as contraction of blood vessel and thickening of tunica intima and tunica media and to prevent or treat vasospasm and vasospasm-dependent diseases.

IPC Classes  ?

  • A01N 43/04 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atom with one hetero atom
  • A61K 31/715 - Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkagesDerivatives thereof, e.g. ethers, esters
  • C13K 5/00 - Lactose
  • C13K 7/00 - Maltose

15.

BONE DEFECT FILLER NOT ADSORBING BONE GROWTH FACTOR AND NOT INHIBITING THE ACTIVITY OF THE SAME

      
Application Number JP2009002989
Publication Number 2010/001578
Status In Force
Filing Date 2009-06-29
Publication Date 2010-01-07
Owner
  • THE UNIVERSITY OF TOKYO (Japan)
  • NEXT21 K.K. (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Provided is a bone defect filler capable of promoting the osteogenetic effect of a growth factor such as PRP. It is anticipated that, in the combined use of a bone defect filler with a growth factor such as PRP, the osteogenetic effect of PRP might be impaired because of the adsorption of PRP by the bone defect filler.  This adsorbing effect of the bone defect filler is inhibited basically by using a capping agent.  Since the adsorbing effect of the bone defect filler is thus inhibited, PRP can exert the osteogenetic effect thereof in the case of using the bone defect filler together with PRP.

IPC Classes  ?

  • A61L 27/00 - Materials for prostheses or for coating prostheses

16.

ARTIFICIAL BONE MATERIAL HAVING CONTROLLED CALCIUM ION ELUTION

      
Application Number JP2009003047
Publication Number 2010/001601
Status In Force
Filing Date 2009-07-01
Publication Date 2010-01-07
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Tei, Yuichi
  • Sasaki, Nobuo
  • Suzuki, Shigeki

Abstract

Disclosed is an artificial bone material having controlled calcium ion elution, which does not induce cytotoxicity or any inflammatory response. It is found that the elution of a calcium ion from an artificial bone material for transplantation which contains a calcium-containing substance can be prevented effectively by subjecting the carrier to a surface treatment or adding a surface-treating agent to the carrier.  It is also found that the induction of cytotoxicity can be prevented and the induction of an inflammatory response can also be prevented by using the above-mentioned carrier having controlled calcium ion elution.

IPC Classes  ?

  • A61L 27/00 - Materials for prostheses or for coating prostheses

17.

3-DIMENSIONAL SURGICAL GUIDE

      
Application Number JP2009001597
Publication Number 2009/125576
Status In Force
Filing Date 2009-04-07
Publication Date 2009-10-15
Owner NEXT21 K.K. (Japan)
Inventor
  • Takai, Shinro
  • Suzuki, Shigeki

Abstract

The objective is to provide an alignment-setting instrument for surgical tools, which can align accurately, and a manufacturing method thereof. The above problem is solved with a method for manufacturing alignment-setting instruments for surgical tools and with a setting instrument. The method is a manufacturing method for surgical tool alignment-setting instruments which comprises a process for manufacturing a bone model, a process for applying the above setting instrument to the bone model before molding and making the shape of the setting instrument a suitable shape and a process wherein an alignment guide is provided on the setting instrument and the setting instrument is hardened.

IPC Classes  ?

  • A61B 17/14 - Surgical saws
  • A61B 17/56 - Surgical instruments or methods for treatment of bones or jointsDevices specially adapted therefor

18.

THERAPEUTIC OR PROPHYLACTIC AGENT FOR VASOCONSTRICTION

      
Application Number JP2008000306
Publication Number 2008/102563
Status In Force
Filing Date 2008-02-22
Publication Date 2008-08-28
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
  • KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO (Japan)
Inventor
  • Sasaki, Nobuo
  • Tei, Yuichi
  • Echigo, Ryosuke
  • Suzuki, Shigeki
  • Hakukawa, Touru

Abstract

[PROBLEMS] To provide: a therapeutic or prophylactic agent for vasoconstriction; a therapeutic or prophylactic agent for cerebral vasoconstriction; a therapeutic or prophylactic agent for arterial vasoconstriction; and a therapeutic or prophylactic agent for cerebral ischemia or cerebral infarction. [MEANS FOR SOLVING PROBLEMS] Disclosed are: a therapeutic or prophylactic agent for vasoconstriction, cerebral ischemia or cerebral infarction, which comprises trehalose as an active ingredient; and others. A medicinal agent comprising trehalose can prevent the narrowing of a blood vessel or the thickening of an inner membrane or a media and therefore can prevent or treat vasoconstriction or a vasoconstriction-related disease.

IPC Classes  ?

19.

BONE DEFECT FILLER, RELEASE-CONTROLLED CARRIER, AND THEIR PRODUCTION METHODS

      
Application Number JP2007001225
Publication Number 2008/065738
Status In Force
Filing Date 2007-11-08
Publication Date 2008-06-05
Owner
  • THE UNIVERSITY OF TOKYO (Japan)
  • NEXT21 K.K. (Japan)
Inventor
  • Sasaki, Nobuo
  • Tei, Yuichi
  • Igawa, Kazuyo
  • Suzuki, Shigeki
  • Shimizu, Koutaro

Abstract

[PROBLEMS] To provide a bone defect filler having controlled release of a medicinal agent such as a growth factor, and to provide a release-controlled carrier having controlled release of a medicinal agent. [MEANS FOR SOLVING PROBLEMS] It is found that, in a bone defect filler having a medicinal agent contained therein, the adsorption of the medicinal agent to the bone defect filler can be controlled by inactivating a functional group in the bone defect filler which can strongly bind to the medicinal agent with a blocking agent, and therefore it becomes possible to control the release of a growth factor or the like from the bone defect filler. Specifically disclosed are: a bone defect filler or a release-controlled carrier which comprises a calcium-containing substance such as hydroxyapatite, carbonate apatite, fluorapatite, chlorapatite, β-TCP and α-TCP, a blocking agent for the calcium-containing substance such as serine and dextran, and a medicinal agent; and others.

IPC Classes  ?

  • A61L 27/00 - Materials for prostheses or for coating prostheses
  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61P 19/00 - Drugs for skeletal disorders
  • A61P 19/02 - Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
  • A61P 31/04 - Antibacterial agents
  • A61P 35/00 - Antineoplastic agents

20.

BONE MODEL, BONE FILLER AND PROCESS FOR PRODUCING BONE FILLER

      
Application Number JP2007000885
Publication Number 2008/023462
Status In Force
Filing Date 2007-08-20
Publication Date 2008-02-28
Owner
  • NEXT21 K.K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Takato, Tsuyoshi
  • Saijo, Hideto
  • Tei, Yuichi
  • Suzuki, Shigeki
  • Shimizu, Koutaro
  • Wasada, Shinya

Abstract

[PROBLEMS] To provide a process for producing a bone filler, in which a bone filler for filling a cavity of bone defect can be produced with high precision. [MEANS FOR SOLVING PROBLEMS] There is provided a process for producing a bone filler, fundamentally including the bone model fabrication step (step 1) of fabricating a bone model; the image forming agent filling step (step 2) of filling an image forming agent into a cavity of bone defect of the bone model obtained in the bone model fabrication step; and the bone filler production step (step 3) of producing a bone filler for filling the cavity of bone defect on the basis of the image forming agent having filled the cavity of bone defect of the bone model in the image forming agent filling step.

IPC Classes  ?

21.

FIGURE-FORMING COMPOSITION, PROCESS FOR PRODUCTION OF FIGURES IN THREE DIMENSIONS BY USING THE COMPOSITION AND PROCESS FOR PRODUCTION OF THREE-DIMENSIONAL STRUCTURES

      
Application Number JP2007000382
Publication Number 2007/122804
Status In Force
Filing Date 2007-04-10
Publication Date 2007-11-01
Owner NEXT21 K.K. (Japan)
Inventor
  • Suzuki, Shigeki
  • Shimizu, Koutaro
  • Wasada, Shinya
  • Okamoto, Hironobu
  • Takai, Shinro

Abstract

[PROBLMES] To provide a figure-forming composition which enables the initiation of hardening even with a small amount of water and can attain a prescribed hardness and which is suitable particularly for the production of three-dimensional living body models for operative training by a rapid prototype process; and figures in three dimensions and three-dimensional structures, made by using the composition. [MEANS FOR SOLVING PROBLEMS] A figure-forming composition comprising a calcium material such as hemihydrate gypsum and polyvinyl alcohol resin, wherein the content of the polyvinyl alcohol resin is 2 to 8 parts by weight per 100 parts by weight of the total of the calcium material and the resin.

IPC Classes  ?

  • C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
  • C04B 24/26 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • B28B 1/30 - Producing shaped articles from the material by applying the material on to a core, or other moulding surface to form a layer thereon
  • B29C 67/00 - Shaping techniques not covered by groups , or
  • C08K 3/00 - Use of inorganic substances as compounding ingredients
  • C08L 29/04 - Polyvinyl alcoholPartially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
  • G09B 23/28 - Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes for medicine

22.

PROCESS FOR PRODUCING BONE GRAFTING MATERIAL, BONE GRAFTING MATERIAL, THREE-DIMENSIONAL SUPPORT FOR CELL CULTURE, AND SEPARATION SUPPORT FOR CHROMATOGRAPHY

      
Application Number JP2007000082
Publication Number 2007/094134
Status In Force
Filing Date 2007-02-13
Publication Date 2007-08-23
Owner
  • THE UNIVERSITY OF TOKYO (Japan)
  • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
  • NEXT21 K.K. (Japan)
  • GAUSS K. K. (Japan)
Inventor
  • Tei, Yuichi
  • Teraoka, Kay
  • Suzuki, Shigeki
  • Shimizu, Koutaro
  • Takane, Katsuhisa

Abstract

A novel process for producing a bond grafting material. The process for bone grafting material production comprises: a kneading step in which a raw material comprising a calcic substance and a material comprising a binder are kneaded together; a molding step in which the mixture obtained in the kneading step is injection-molded with an injection molding machine having a mold to obtain a molding of a given shape; a binder removal (degreasing) step in which the binder contained in the molding obtained in the molding step is removed to obtain a degreased object; and a sintering step in which the degreased object after the binder removal step is heated and sintered to obtain a sinter.

IPC Classes  ?

  • A61L 27/00 - Materials for prostheses or for coating prostheses
  • C12M 3/00 - Tissue, human, animal or plant cell, or virus culture apparatus
  • G01N 30/88 - Integrated analysis systems specially adapted therefor, not covered by a single one of groups

23.

GEL-FORMING COMPOSITION FOR MEDICAL USE, DEVICES FOR THE APPLICATION OF THE COMPOSITION, AND DRUG RELEASE CONTROLLING CARRIER

      
Application Number JP2007000017
Publication Number 2007/083522
Status In Force
Filing Date 2007-01-17
Publication Date 2007-07-26
Owner
  • NEXT21 K. K. (Japan)
  • THE UNIVERSITY OF TOKYO (Japan)
Inventor
  • Sasaki, Nobuo
  • Tei, Yuichi
  • Suzuki, Shigeki
  • Hakukawa, Toru

Abstract

The invention provides a gel-forming composition which permits on-site administration and can form a gel exhibiting a prescribed strength and sustained drug release, devices for the application thereof, and kits for medical use. A gel-forming composition which is composed of the first composition comprising a drug, the first gelling agent consisting of a compound of the general formula (I) and so on, and the first diluent and the second composition comprising the second gelling agent consisting of a compound of the general formula (I) and so on and the second diluent; and application devices and kits for medical use, which can hold the gel-forming composition: X1-(OCH2CH2)n-X2 (I) wherein X1 and X2 are each -R1COONHS (wherein R1 is C1-7 alkylene), -COR1COONHS, -NOCOR1-R2 (wherein R2 is maleimido), -R1NH2, -R1SH, or -CO2PhNO2; and n is an integer of 80 to 1000.

IPC Classes  ?

  • A61K 9/06 - OintmentsBases therefor
  • A61K 31/4162 - 1,2-Diazoles condensed with heterocyclic ring systems
  • A61K 45/00 - Medicinal preparations containing active ingredients not provided for in groups
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61L 15/44 - Medicaments
  • A61P 19/00 - Drugs for skeletal disorders
  • A61P 19/02 - Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
  • A61P 35/00 - Antineoplastic agents