Patents Assigned to Gebr. Brasseler
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Patent number: 10669435Abstract: A process for producing an antibacterial coating composition for implants. The process includes the steps i) reaction of a monomer A which is based on (meth)acrylic acid and contains at least one epoxide with a polyguanidine by reaction of an amino group of the polyguanidine with the epoxide to give a (meth)acrylic acid-polyguanidine macromolecule and ii) polymerization of the (meth)acrylic acid-polyguanidine macromolecule with a monomer B which contains at least one polymerizable double bond and at least one phosphonate group by free-radical polymerization of the (meth)acrylic acid unit and the double bond.Type: GrantFiled: September 28, 2016Date of Patent: June 2, 2020Assignee: GEBR. BRASSELER GMBH & CO. KGInventors: Henning Menzel, Marco Wassmann, Sebastian Stelljes, Meike Stiesch, Andreas Winkel
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Patent number: 10589381Abstract: The invention relates to a method for producing an instrument, in particular a dental instrument or a medical instrument, in which method a blank is produced and is subsequently coated at least partially with abrasive particles, wherein the abrasive particles, in a mixture with carrier particles, are fed onto the surface to be coated and are melted onto the surface by means of a laser.Type: GrantFiled: January 26, 2015Date of Patent: March 17, 2020Assignee: GEBR. BRASSELER GMBH & CO. KGInventors: Christian Peuser, Karl-Heinz Danger, Michael Kuellmer
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Patent number: 10464133Abstract: A method for producing a medical instrument, includes producing, by cutting material from a semi-finished product, a shaft including a clamping region and at least part of a head including cutting edges; additively generating at least part of the head of the instrument; performing the additively generating with a rotation axis of the instrument aligned vertically; reworking at least part of the head with a subtractive method; and using the subtractive method to perform at least one chosen from sharpening cutting edges and improving concentric running of the instrument.Type: GrantFiled: January 26, 2015Date of Patent: November 5, 2019Assignee: Gebr. Brasseler GmbH & Co. KGInventors: Karl-Heinz Danger, Michael Kuellmer, Frank Hagemann
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Patent number: 10398473Abstract: A device for bracing the vertebrae of the human spinal column, having at least one pedicle screw with a head that is formed so as to be at least partially spherical and that is received into an at least partially spherical mounting area of a pedicle head, wherein the pedicle head has a centric recess which includes the mounting area and a slit for receiving a rod that is arranged transversely with respect to the centric recess, as well as an internal thread which is formed inside the centric recess opposite the mounting area and inside of which a safety screw for clamping the rod is arranged, wherein the safety screw is provided with an anti-rotation device at that side that is facing towards the rod.Type: GrantFiled: June 29, 2015Date of Patent: September 3, 2019Assignee: GEBR. BRASSELER GMBH & CO. KGInventors: Michael Kuellmer, Frank Hagemann
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Patent number: 9770309Abstract: The present invention refers to a shaft of a dental tool comprising a distal end region, a cylindrical shaft region adjoining the distal end region, and a proximal end region which lies opposite the distal end region and which is provided with a polygonal profile that tapers conically in the direction of the distal end region and adjoins a tool part.Type: GrantFiled: December 19, 2013Date of Patent: September 26, 2017Assignee: GEBR. BRASSELER GMBH & CO. KGInventors: Axel Kirsch, Walter Duerr, Volker Brinkmann, Karl-Heinz Danger
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Patent number: 9603606Abstract: The present invention refers to an instrument, configured as a dental instrument or surgical instrument, the instrument comprising a shaft and a substantially rotation-symmetrical head which is attached to the shaft and provided with a plurality of cutting blades, the cutting blades being arranged distributed around the whole circumference of the head, in relation to a centric rotational axis of the instrument, characterized in that each cutting blade has a geometry differing from the other cutting blades.Type: GrantFiled: January 28, 2015Date of Patent: March 28, 2017Assignee: GEBR. BRASSELER GMBH & CO. KGInventors: Josef Hecke, Friedrich Wilhelm Meier, Markus Niemeier
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Patent number: 9572634Abstract: A dental instrument includes a head (2) having cutting edges (1) and made of a ceramic material, and a shaft (3) which can be clamped into a driving member and is made of a metal material. The head (2) includes a mounting plug (4) having an external thread (5) and the shaft (3) includes a front-side threaded recess (6) into which the mounting plug (4) can be screwed. At least one locking recess is formed between the mounting plug (4) and the threaded recess (6).Type: GrantFiled: February 8, 2012Date of Patent: February 21, 2017Assignee: Gebr. Brasseler GmbH & Co. KGInventor: Michael Krumsiek
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Patent number: 9572633Abstract: An instrument holder includes a substantially tubular base body which includes a grip portion and an instrument holding portion. The base body includes a through recess extending over an entire length thereof, and the instrument holding portion includes a front-sided insertion opening designed for insertion of an instrument.Type: GrantFiled: October 8, 2013Date of Patent: February 21, 2017Assignee: Gebr. Brasseler GmbH & Co. KGInventors: Michael Krumsiek, Stefan Tuenker, Stefan Neumeyer
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Publication number: 20160361765Abstract: The invention relates to a method for producing a medical instrument, characterized in that said instrument is produced at least partly by means of an additive production method.Type: ApplicationFiled: January 26, 2015Publication date: December 15, 2016Applicant: Gebr. Brasseler GmbH & Co. KGInventors: Karl-Heinz DANGER, Michael KUELLMER, Frank HAGEMANN
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Patent number: 9017076Abstract: A method, and handpiece for performing the method, for controlling a drive device for moving a root canal instrument having a drive shaft and at least one cutting edge for preparing a root canal, and at least one drive motor being operated by a control unit. The root canal instrument is moved in at least one reciprocal movement in a first direction of rotation over a predetermined first angle of rotation and subsequently in a second direction of rotation opposite to the first direction of rotation over a predetermined second angle of rotation. After the at least one reciprocal movement, the root canal instrument is rotated over at least one third angle of rotation.Type: GrantFiled: June 28, 2012Date of Patent: April 28, 2015Assignee: Gebr. Brasseler GmbH & Co. KGInventor: Karl-Heinz Danger
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Patent number: 8894411Abstract: A dental handpiece to which various tools forming a tool set can be coupled, and more precisely a handpiece coupling, which can be driven by a drive in the dental handpiece at least for an axial oscillating motion The coupling is constituted for a connection of the tools by insertion and securing, and more precisely with a conically tapering opening, into which an adapted coupling section of the tools that tapers in the shape of a truncated cone can be introduced and secured in a suitable manner.Type: GrantFiled: March 5, 2010Date of Patent: November 25, 2014Assignee: Gebr. Brasseler GmbH & Co. KGInventor: Stefan Neumeyer
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Publication number: 20140100555Abstract: The present invention relates to an instrument holder comprising a substantially tubular base body which includes a grip portion and an instrument holding portion, the base body comprising a through recess extending over the entire length thereof, and the instrument holding portion being provided with a front-sided insertion opening designed for insertion of an instrument.Type: ApplicationFiled: October 8, 2013Publication date: April 10, 2014Applicant: Gebr. Brasseler GmbH & Co. KGInventors: Michael KRUMSIEK, Stefan TUENKER, Stefan NEUMEYER
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Patent number: 8672679Abstract: A dental tool includes a working head 3 rotatable about a rotational axis 1 and attached to a shaft 2, which working head is provided with cutting edges 4, 5. Cutting edges 4 of a first toothing are formed about a complete periphery of the working head 3, cutting edges 5 of a second toothing are formed additionally at sector-type partial regions of the working head 3, and sector-type regions are provided at a front face 6 of the working head 3, in which the cutting edges 4, 5 of the first and second toothing end alternatingly in the circumferential direction.Type: GrantFiled: July 5, 2011Date of Patent: March 18, 2014Assignee: Gebr. Brasseler GmbH & Co. KGInventors: Friedrich Wilhelm Meier, Markus Niemeier
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Publication number: 20130089833Abstract: A dental tool includes a work area which is covered with abrasive particles, wherein the abrasive particles are embedded at least in part in a support layer formed galvanically on a surface of the work area, and wherein at least one cover layer which at least partly encloses the abrasive particles is arranged on the support layer, and to a method for producing the dental tool.Type: ApplicationFiled: October 4, 2012Publication date: April 11, 2013Applicant: GEBR. BRASSELER GMBH & CO. KGInventor: GEBR. BRASSELER GMBH & CO. KG
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Publication number: 20130004913Abstract: A method, and handpiece for performing the method, for controlling a drive device for moving a root canal instrument having a drive shaft and at least one cutting edge for preparing a root canal, and at least one drive motor being operated by a control unit. The root canal instrument is moved in at least one reciprocal movement in a first direction of rotation over a predetermined first angle of rotation and subsequently in a second direction of rotation opposite to the first direction of rotation over a predetermined second angle of rotation. After the at least one reciprocal movement, the root canal instrument is rotated over at least one third angle of rotation.Type: ApplicationFiled: June 28, 2012Publication date: January 3, 2013Applicant: GEBR. BRASSELER GMBH & CO. KGInventor: Karl-Heinz DANGER
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Publication number: 20120208147Abstract: A dental instrument includes a head (2) having cutting edges (1) and made of a ceramic material, and a shaft (3) which can be clamped into a driving member and is made of a metal material. The head (2) includes a mounting plug (4) having an external thread (5) and the shaft (3) includes a front-side threaded recess (6) into which the mounting plug (4) can be screwed. At least one locking recess is formed between the mounting plug (4) and the threaded recess (6).Type: ApplicationFiled: February 8, 2012Publication date: August 16, 2012Applicant: Gebr. Brasseler GmbH & Co. KGInventor: Michael KRUMSIEK
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Patent number: 8147245Abstract: An acoustically activated dental instrument that comprises a working head attached to a shaft, the working head being covered with abrasive particles at its front end portion and having a spherical basic shape at its distal end, the outside of which is covered with abrasive particles. The working head is flattened at an upper side substantially up to a center plane of the spherical basic shape, and is flattened on the lower side opposite to the upper flattened side.Type: GrantFiled: July 14, 2009Date of Patent: April 3, 2012Assignee: Gebr. Brasseler GmbH & Co. KGInventors: Marcus Striegel, Thomas Schwenk
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Publication number: 20120009543Abstract: A dental tool includes a working head 3 rotatable about a rotational axis 1 and attached to a shaft 2, which working head is provided with cutting edges 4, 5. Cutting edges 4 of a first toothing are formed about a complete periphery of the working head 3, cutting edges 5 of a second toothing are formed additionally at sector-type partial regions of the working head 3, and sector-type regions are provided at a front face 6 of the working head 3, in which the cutting edges 4, 5 of the first and second toothing end alternatingly in the circumferential direction.Type: ApplicationFiled: July 5, 2011Publication date: January 12, 2012Applicant: GEBR. BRASSELER GMBH & CO. KGInventors: Friedrich Wilhelm MEIER, Markus NIEMEIER
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Patent number: 7887326Abstract: A dental instrument shaft for a rotating instrument made of a ceramic material includes a cylindrical shaft end having a center axis and a flat driving area arranged in parallel to the center axis, wherein a groove having a cross-section shaped as a pitch circle is formed at a transition region of the driving area to the cylindrical shaft end.Type: GrantFiled: November 30, 2007Date of Patent: February 15, 2011Assignee: Gebr. Brasseler GmbH & Co. KGInventor: Karl-Heinz Danger
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Patent number: D734146Type: GrantFiled: September 5, 2013Date of Patent: July 14, 2015Assignee: Gebr. Brasseler GmbH & Co. KGInventors: Daniel Fischer, Christian Jonigkeit