Patents by Inventor Fredrik Engman
Fredrik Engman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240099818Abstract: A dental implant assembly may be provided with a spacer removably attachable to a dental implant, a cap removably attachable to the spacer, and a surgical barrier that may be at least partially disposed between the cap and the spacer. The spacer may include a first end configured to engage with the dental implant and a second end configured to engage with the cap. The second end may further include a tool connection region. The surgical barrier may include an outer membrane and an inner mesh enclosed within the outer membrane. A cap head may be provided with a lower surface configured to engage with the surgical barrier. A cap body may be provided with a threaded profile engageable with a threaded connection of the second end of the spacer. At least part of the surgical barrier may be sandwiched between the spacer and the lower surface of the cap.Type: ApplicationFiled: January 27, 2022Publication date: March 28, 2024Inventor: Fredrik ENGMAN
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Publication number: 20200214808Abstract: A dental implant assembly comprising a healing component (10) removably attachable to a coronal end of a dental implant (40) and an impression component (20) having an outer surface, an upper portion (21) and a lower portion (22) and being removably attachable to the healing component (10). The healing component (10) has an internal bore (13) for receiving at least part of the lower portion (22) of said impression component (20) therein and the internal bore having a shoulder on an inner surface thereof acting as an axial locator providing an endstop for axial movement of said impression component (20) within said bore (13). The assembly further comprises a rotational locator limiting rotational movement between said impression component (20) and said healing component (10), the rotational locator comprising a formation on said outer surface of the impression component (20) and/or a formation on said inner surface of said bore (13) of the healing component (10).Type: ApplicationFiled: August 9, 2018Publication date: July 9, 2020Inventor: Fredrik ENGMAN
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Patent number: 9375295Abstract: In an arrangement for obtaining reliable anchoring of a threaded implant in dentine, a hole is made in the bone substance. In the side wall of the hole it is possible to establish an internal threading which can cooperate with an external threading on the implant. The implant threading is arranged to force the bone substance out in essentially radial directions as a function of the extent to which the implant is screwed into the hole. The threading is arranged to effect greater forcing out of the bone substance at the outer parts of the hole than at the inner parts of the hole. The degree of forcing out is adapted in relation to the softness of the bone in order to achieve the reliable anchoring. Along at least part of the longitudinal direction of the implant, the implant threading can be given a non-circular configuration for the purpose of obtaining improved rotational stability in soft/weak bone.Type: GrantFiled: October 27, 2014Date of Patent: June 28, 2016Assignee: Nobel Biocare Services AGInventors: Lennart Carlsson, Fredrik Engman, Roger Fromell, Lars Joerneus
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Publication number: 20160022388Abstract: A set of surgical instruments for use in a surgical procedure to insert an implant, particularly a dental implant, in the bone of a patient comprises at least one drill hub configured for connection between a surgical drill handpiece and a drill. The drill is driveable by the drill handpiece via the drill hub. The drill hub has an end surface having defined therein a socket configured for receiving the drill. The socket has a defined depth to provide a predetermined extent of the drill from the end surface.Type: ApplicationFiled: July 28, 2015Publication date: January 28, 2016Inventors: Christer Fässberg, Fredrik Engman
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Publication number: 20150044639Abstract: In an arrangement for obtaining reliable anchoring of a threaded implant in dentine, a hole is made in the bone substance. In the side wall of the hole it is possible to establish an internal threading which can cooperate with an external threading on the implant. The implant threading is arranged to force the bone substance out in essentially radial directions as a function of the extent to which the implant is screwed into the hole. The threading is arranged to effect greater forcing out of the bone substance at the outer parts of the hole than at the inner parts of the hole. The degree of forcing out is adapted in relation to the softness of the bone in order to achieve the reliable anchoring. Along at least part of the longitudinal direction of the implant, the implant threading can be given a non-circular configuration for the purpose of obtaining improved rotational stability in soft/weak bone.Type: ApplicationFiled: October 27, 2014Publication date: February 12, 2015Inventors: Lennart Carlsson, Fredrik Engman, Roger Fromell, Lars Joerneus
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Patent number: 8915735Abstract: In an arrangement for obtaining reliable anchoring of a threaded implant (3) in dentine, a hole (2) is made in the bone substance. In the side wall (2b) of the hole it is possible to establish an internal threading which can cooperate with an external threading (3d) on the implant. The implant threading is arranged to force the bone substance out in essentially radial directions as a function of the extent to which the implant is screwed into the hole. The threading is arranged to effect greater forcing out of the bone substance at the outer parts of the hole than at the inner parts of the hole. The degree of forcing out is adapted in relation to the softness of the bone in order to achieve the reliable anchoring. Along at least part of the longitudinal direction of the implant, the implant threading can be given a non-circular configuration for the purpose of obtaining improved rotational stability in soft/weak bone.Type: GrantFiled: November 3, 1998Date of Patent: December 23, 2014Assignee: Nobel Biocare Services AGInventors: Lennart Carlsson, Fredrik Engman, Roger Fromell, Lars Jörneus
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Patent number: 8328555Abstract: An implant for anchoring a tightly fitting prosthesis includes an externally threaded implant body configured to be screwed into bone using an insertion tool, the body having a first end and a second apex end, said first end being provided with an internal open ended axial bore, the implant being tapered such that the apex end is smaller in diameter than the first end where the taper is not greater than 2°. The implant is also provided with an incremental cutting face.Type: GrantFiled: October 4, 2002Date of Patent: December 11, 2012Assignee: Neoss LimitedInventor: Fredrik Engman
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Patent number: 7309231Abstract: The present invention is directed to a threaded implant intended to be screwed into bone, preferably into jawbone, and for tightly fitting a prosthesis, including a spacer portion, in the screwed-in position. The implant body has an internal connection arrangement for rotationally locking said spacer, said arrangement also co-operating during positioning and insertion of the implant body with a tool and said arrangement having a low vertical height.Type: GrantFiled: April 5, 2002Date of Patent: December 18, 2007Assignee: Neoss LimitedInventor: Fredrik Engman
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Publication number: 20070092851Abstract: The present invention is directed to a threaded implant intended to be screwed into bone, preferably into jawbone, and for tightly fitting a prosthesis, including a spacer portion in the screwed-in position. The implant body has an internal connection arrangement for rotationally locking said spacer, said arrangement also cooperating during positioning and insertion of the implant body with a tool and said arrangement having a low vertical height.Type: ApplicationFiled: December 6, 2006Publication date: April 26, 2007Applicant: Neoss LimitedInventor: Fredrik Engman
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Publication number: 20060121416Abstract: A dental impression coping which includes a set of components including an attachment screw access means through the impression material and not more than one attachment screw, that may be used for both pick-up type (open tray) or transfer tray (closed tray) impression moulding techniques. The impression components include an impression coping having non-rotational features and height specific retention means having an outer surface with its bottom end configured to reside preferably below the gingiva surrounding the implant. Means exist on the impression coping, to attach the impression coping to the implant for use in a transfer type impression application. By providing a means to access the attachment screw through the impression material a second impression application, the pick-up type impression application, can be performed, using the same screw that can be used also for the first impression application the transfer type impression application.Type: ApplicationFiled: October 20, 2003Publication date: June 8, 2006Applicant: Neoss LimitedInventor: Fredrik Engman
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Patent number: 7048541Abstract: An implant (1) has attachment and hole-insert parts (2, 3) with an outer surface or outer surfaces having external layer arrangements (6, 7). The implant can be provided in a known manner with threads (3a, 3b) on cylindrical and conical portions. The implant is made in principle in two production stages. In a first production stage, the outer surface or outer surfaces (6a) of the implant are given a relatively high roughness value and/or a relatively high degree of porosity. In a second stage, the uneven or porous surface thus obtained is coated with an oxide layer (7) which can be uniform or can have different thicknesses along the longitudinal and/or circumferential directions(s) of the implant. In one embodiment, the oxide layer (7) can be coated with a bone-growth agent or bone-growth-promoting agent and/or calcium phosphate (16), for example by means of chemical deposition, dipping or sputtering.Type: GrantFiled: April 3, 2001Date of Patent: May 23, 2006Assignee: Nobel Biocare ABInventors: Jan Hall, Fredrik Engman
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Publication number: 20060099549Abstract: A prosthetic dental abutment plastics coping configured such that the coping is not premounted to the abutment and is anatomically resemblant to a tooth.Type: ApplicationFiled: June 13, 2003Publication date: May 11, 2006Inventor: Fredrik Engman
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Patent number: 7008228Abstract: A self-tapping implant for use in a jawbone includes a body with plural thread spirals arranged thereon; a conically tapering portion arranged at a front end of the body and having one or more bone-chip recesses therein which accommodate bone material cut off during a tapping operation. The bone-chip recesses are formed by removal of material from the plural thread spirals and body. At least in the conically tapering portion, the plural thread spirals are materially reduced, and each of the materially reduced threads have a cutting edge which extends inward from an outer edge of a respective remaining thread part. Each cutting edge of a number of associated cutting edges of the materially reduced threads have a pointed shape which, in a cross section thereof, essentially follows a line which deviates from a first radius through a point of the pointed shape of the respective remaining thread part.Type: GrantFiled: September 24, 2004Date of Patent: March 7, 2006Assignee: Nobel Biocare ABInventors: Göran Björn, Fredrik Engman, Lars Jörnéus
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Patent number: 6966144Abstract: Apparatus and a method for controlling vermin either directly or indirectly via objects giving shelter to the vermin. Cooling of the vermin is effected by providing dry snow particles by passing pressurized carbon dioxide through a nozzle directed at the vermin. Smaller and larger snow particle sizes are allocated within a selected range of sizes and velocities. Environmentally friendly and rapid control of the vermin is achieved, and an effectively functioning cooling system is provided, which, by the gradual supply of snow, executes cooling through different velocities and sizes of the snow particles. In a initial cooling phase small snow particles provide cooling by sublimating and giving off cold rapidly. Larger snow particles then penetrate through the gas barrier that is created by the sublimating small snow particles to maintain the cooling effect.Type: GrantFiled: June 16, 2003Date of Patent: November 22, 2005Assignee: CTS Technologies AGInventors: Bertil Eliasson, Per-Åke Hallberg, Lennart Carlsson, Fredrik Engman
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Patent number: 6896517Abstract: A self-tapping implant for jawbone comprises a body (15) with threads arranged thereon, a conically tapering portion (12) arranged at its front end, and one or more spaces (4, 5, 6) which accommodate bone material cut off during tapping and which are formed by removal of material from the threads and body in question. Each materially reduced thread has a cutting edge (1a, 2a, 3a) which extends inwards from the outer edge of the respective remaining thread part and which can cooperate with the bone during tapping. Each cutting edge of a number of cutting edges has a pointed shape (1b, 2b, 3b) which, in the cross section of the thread in question, essentially follows a line which deviates from a radius (r) through the remaining thread part's front portion or the pointed shape's point (1b, 2b, 3b) in order in this way to form a cutting angle. Each cutting edge (1a, 2a, 3a) on a first remaining thread part (1, 2, 3) merges via a radius (r?) or curved part into a rear edge (e.g.Type: GrantFiled: February 23, 2000Date of Patent: May 24, 2005Assignee: Nobel Biocare ABInventors: Göran Björn, Fredrik Engman, Lars Jörnéus
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Publication number: 20050089818Abstract: An implant for anchoring a tightly fitting prosthesis includes an externally threaded implant body configured to be screwed into bone using an insertion tool, the body having a first end and a second apex end, said first end being provided with an internal open ended axial bore, the implant being tapered such that the apex end is smaller in diameter than the first end where the taper is not greater than 2°. The implant is also provided with an incremental cutting face.Type: ApplicationFiled: October 4, 2002Publication date: April 28, 2005Inventor: Fredrik Engman
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Publication number: 20050019731Abstract: A self-tapping implant for use in a jawbone includes a body with plural thread spirals arranged thereon; a conically tapering portion arranged at a front end of the body and having one or more bone-chip recesses therein which accommodate bone material cut off during a tapping operation. The bone-chip recesses are formed by removal of material from the plural thread spirals and body. At least in the conically tapering portion, the plural thread spirals are materially reduced, and each of the materially reduced threads have a cutting edge which extends inward from an outer edge of a respective remaining thread part. Each cutting edge of a number of associated cutting edges of the materially reduced threads have a pointed shape which, in a cross section thereof, essentially follows a line which deviates from a first radius through a point of the pointed shape of the respective remaining thread part.Type: ApplicationFiled: September 24, 2004Publication date: January 27, 2005Applicant: NOBEL BIOCARE ABInventors: Goran Bjorn, Fredrik Engman, Lars Jorneus
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Publication number: 20030213162Abstract: Arrangement and application for executing control measures against vermin either directly or indirectly via objects giving shelter to the vermin, e.g. substrates of substances. The control measure is based on the rate of cooling the vermin, object, etc., with the help of dry snow particles to which smaller and larger sizes are allocated within a selected range of sizes and velocities are allocated within a selected range of velocities. The arrangement and the application arc associated with advantages in the sense that environmentally friendly and rapid control is achieved, and in that an effectively functioning cooling system is obtained, which, by the gradual supply of snow, executes cooling through different velocities and sizes of the snow particles. Rapid cooling of a defined target can be obtained in this way. In an initial phase the small snow particles contribute most to the cooling by sublimating and giving off cold rapidly.Type: ApplicationFiled: June 16, 2003Publication date: November 20, 2003Inventors: Bertil Eliasson, Per-Ake Hallberg, Lennart Carlsson, Fredrik Engman
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Patent number: 6626911Abstract: A threaded implant for screwing into jawbone and supporting a spacer element in the screwed-in position is provided. The implant includes a socket arrangement which can cooperate with a tool for screwing in the implant. The socket arrangement also secures the spacer element in an applied position. The socket arrangement includes two separate sockets, of which the first socket can cooperate with the tool and the second socket permits rotational locking of the spacer element.Type: GrantFiled: August 13, 2001Date of Patent: September 30, 2003Assignee: Nobel Biocare ABInventors: Fredrik Engman, Lars Jörnéus
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Publication number: 20030157460Abstract: An implant (1) has attachment and hole-insert parts (2, 3) with an outer surface or outer surfaces having external layer arrangements (6, 7). The implant can be provided in a known manner with threads (3a, 3b) on cylindrical and conical portions. The implant is made in principle in two production stages. In a first production stage, the outer surface or outer surfaces (6a) of the implant are given a relatively high roughness value and/or a relatively high degree of porosity. In a second stage, the uneven or porous surface thus obtained is coated with an oxide layer (7) which can be uniform or can have different thicknesses along the longitudinal and/or circumferential directions(s) of the implant. In one embodiment, the oxide layer (7) can be coated with a bone-growth agent or bone-growth-promoting agent and/or calcium phosphate (16), for example by means of chemical deposition, dipping or sputtering.Type: ApplicationFiled: April 22, 2003Publication date: August 21, 2003Inventors: Jan Hall, Fredrik Engman