Patents by Inventor Pentti Hyvärinen
Pentti Hyvärinen 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: 20220379550Abstract: A bottom-up stereolithography apparatus (SLA) (150) comprises a support surface (152) and a vat assembly (100) comprises a first frame part (110) having a first upper surface (112) and a circumferential first inner side surface (113) defining a recess (114) within the first frame part. The apparatus comprises an air channel (115) opening to the recess (114) through the first inner side surface (113). A receptacle (130) comprising a bowl is placeable in the vat assembly with the bowl in the recess so that, with the thereby formed vat (101) placed on the support surface (152), air can be evacuated from the recess (114) via the air channel (115) to stretch the bowl (131) against the support surface and the first inner side surface (113).Type: ApplicationFiled: November 16, 2020Publication date: December 1, 2022Inventors: Pentti HYVÄRINEN, Kustaa NYHOLM
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Publication number: 20220287902Abstract: The invention relates to a treatment chair (1) comprising a headrest (2), connected to the chair (1) with a headrest arm (4), and a position adjustment member (3) for the headrest (2). The position adjustment member (3) comprises at least one ratchet mechanism (5) to lock the headrest (2) in a wanted position.Type: ApplicationFiled: September 28, 2020Publication date: September 15, 2022Inventor: Pentti HYVÄRINEN
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Patent number: 10092254Abstract: The invention relates to a medical x-ray imaging apparatus which is specifically designed for enabling three-dimensional imaging of relatively small volumes from the area of extremities of a patient. The apparatus includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). A positioning support (8) is arranged in connection with said examination opening (4) whose location with respect to the O-arm (2) is arranged adjustable.Type: GrantFiled: June 26, 2017Date of Patent: October 9, 2018Assignee: PLANMECA OYInventors: Tapio Laukkanen, Pentti Hyvärinen, Juha Tawast
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Publication number: 20170319152Abstract: The invention relates to a medical x-ray imaging apparatus which is specifically designed for enabling three-dimensional imaging of relatively small volumes from the area of extremities of a patient. The apparatus includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). A positioning support (8) is arranged in connection with said examination opening (4) whose location with respect to the O-arm (2) is arranged adjustable.Type: ApplicationFiled: June 26, 2017Publication date: November 9, 2017Inventors: Tapio Laukkanen, Pentti Hyvärinen, Juha Tawast
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Patent number: 9687202Abstract: The invention relates to a medical x-ray imaging apparatus which is specifically designed for enabling three-dimensional imaging of relatively small volumes from the area of extremities of a patient. The apparatus includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). A positioning support (8) is arranged in connection with said examination opening (4) whose location with respect to the O-arm (2) is arranged adjustable.Type: GrantFiled: April 29, 2011Date of Patent: June 27, 2017Assignee: PLANMED OYInventors: Tapio Laukkanen, Pentti Hyvärinen, Juha Tawast
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Patent number: 8746974Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The examination opening (4) is arranged for its predominant portion substantially of the shape of an arch of a circle but to comprise an extension, within the sector covered by which extension the distance from the centre of said arch of the circle to the edge of the examination opening (4) is longer than within the prevailing portion of the examination opening (4) being substantially of the shape of an arch of a circle.Type: GrantFiled: April 28, 2011Date of Patent: June 10, 2014Inventors: Lauri Seppälä, Tapio Laukkanen, Pentti Hyvärinen
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Patent number: 8684599Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The cross-section of an outer cover (3) of the O-arm (2) in a direction perpendicular with respect to the central axis of the O-arm is arranged for its predominant portion substantially of the shape of an arch of a circle but to comprise a cut, within the sector covered by which cut the distance from the center of said arch of the circle to the edge of the outer cover (3) is shorter than within the portion of the outer cover (3) being substantially of the shape of an arch of a circle.Type: GrantFiled: April 28, 2011Date of Patent: April 1, 2014Assignee: Planmed OyInventors: Lauri Seppälä, Tapio Laukkanen, Pentti Hyvärinen
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Patent number: 8681931Abstract: The invention relates to a medical computed tomography apparatus which includes a support construction (1) supporting a substantially ring-shaped O-arm (2), which in turn supports imaging means (21, 22). The cross-section of the outer cover (3) of the O-arm in a direction perpendicular with respect to the central axis of said ring-shaped structure (2) is for its prevailing portion arranged substantially of the shape of an arch of a circle but to comprise a cut, and within the sector covered by the cut the distance from the center of said arch of a circle to the edge of the outer cover (3) is shorter than within said portion of the outer cover (3) substantially of the shape of an arch of a circle.Type: GrantFiled: April 29, 2011Date of Patent: March 25, 2014Assignee: Planmed OyInventors: Pentti Hyvärinen, Jaakko Lähelmä
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Patent number: 8596865Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The apparatus is arranged with a patient support handlebar (5), which is arranged to be positioned in at least a first and a second position of which in the first position the patient support handlebar (5) functions as a patient support handlebar and in the second position it has some other function.Type: GrantFiled: April 28, 2011Date of Patent: December 3, 2013Assignee: Planmed OyInventors: Kustaa Nyholm, Tapio Laukkanen, Pentti Hyvärinen
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Publication number: 20130064347Abstract: The invention relates to a medical x-ray imaging apparatus which is specifically designed for enabling three-dimensional imaging of relatively small volumes from the area of extremities of a patient. The apparatus includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). A positioning support (8) is arranged in connection with said examination opening (4) whose location with respect to the O-arm (2) is arranged adjustable.Type: ApplicationFiled: April 29, 2011Publication date: March 14, 2013Applicant: PLANMED OYInventors: Tapio Laukkanen, Pentti Hyvärinen, Juha Tawast
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Publication number: 20130051517Abstract: The invention relates to a medical computed tomography apparatus which includes a support construction (1) supporting a substantially ring-shaped O-arm (2), which in turn supports imaging means (21, 22). The cross-section of the outer cover (3) of the O-arm in a direction perpendicular with respect to the central axis of said ring-shaped structure (2) is for its prevailing portion arranged substantially of the shape of an arch of a circle but to comprise a cut, and within the sector covered by the cut the distance from the centre of said arch of a circle to the edge of the outer cover (3) is shorter than within said portion of the outer cover (3) substantially of the shape of an arch of a circle.Type: ApplicationFiled: April 29, 2011Publication date: February 28, 2013Applicant: PLANMED OYInventors: Pentti Hyvärinen, Jaakko Lähelmä
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Publication number: 20130039456Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The cross-section of an outer cover (3) of the O-arm (2) in a direction perpendicular with respect to the central axis of the O-arm is arranged for its predominant portion substantially of the shape of an arch of a circle but to comprise a cut, within the sector covered by which cut the distance from the centre of said arch of the circle to the edge of the outer cover (3) is shorter than within the portion of the outer cover (3) being substantially of the shape of an arch of a circle.Type: ApplicationFiled: April 28, 2011Publication date: February 14, 2013Applicant: PLANMED OYInventors: Lauri Seppälä, Tapio Laukkanen, Pentti Hyvärinen
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Publication number: 20130039467Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The examination opening (4) is arranged for its predominant portion substantially of the shape of an arch of a circle but to comprise an extension, within the sector covered by which extension the distance from the centre of said arch of the circle to the edge of the examination opening (4) is longer than within the prevailing portion of the examination opening (4) being substantially of the shape of an arch of a circle.Type: ApplicationFiled: April 28, 2011Publication date: February 14, 2013Applicant: PLANMED OYInventors: Lauri Seppälä, Tapio Laukkanen, Pentti Hyvärinen
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Publication number: 20130039479Abstract: The invention relates to a medical x-ray imaging apparatus which includes a support construction (1) supporting a substantially ring-shaped structure (2), an O-arm (2), which in turn supports imaging means (21, 22) and which O-arm (2) is arranged with an examination opening (4). The imaging means (21, 22) are arranged movable within the O-arm (2). The apparatus is arranged with a patient support handlebar (5), which is arranged to be positioned in at least a first and a second position of which in the first position the patient support handlebar (5) functions as a patient support handlebar and in the second position it has some other function.Type: ApplicationFiled: April 28, 2011Publication date: February 14, 2013Applicant: PLANMED OYInventors: Kustaa Nyholm, Tapio Laukkanen, Pentti Hyvärinen