Patents by Inventor Pertti Tormala
Pertti Tormala 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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Patent number: 9855084Abstract: A bioabsorbable surgical osteosynthesis plate operable to be secured by at least one fastener through at least one fastener opening formed in the plate to a bone. The plate includes a flat section having first and second surfaces defining a main plane of the plate. The plate includes a polymer material that is oriented multiaxially and is substantially rigid and substantially deformable at a first thermochemical state. In the multiaxially oriented structure of the plate the polymer material is arranged according to at least three different orientation axes along the main plane of the plate as a result of solid state drawing of the plate. The polymer material of the plate has isotropic mechanical tear properties in different directions along the main plane of the plate.Type: GrantFiled: August 27, 2012Date of Patent: January 2, 2018Assignee: BIORETEC OYInventors: Harri Heino, Pertti Törmälä, Kalle Räsänen, Jarkko Haarjärvi
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Patent number: 9777148Abstract: A biodegradable composite material or device including at least one biodegradable polymer matrix material and at least one filler component. The material or device has an initial shape and at least one evolved shape. The evolved shape is different from the initial shape. The initial shape is adapted to change towards the evolved shape. The filler component is adapted to accelerate and/or amplify the transformation from the initial shape towards the evolved shape when the external stimulus for transformation is given by physiological conditions. Also a method to control the shape transformation rate of a composite material or device.Type: GrantFiled: May 11, 2010Date of Patent: October 3, 2017Assignee: BIORETEC OYInventors: Kaarlo Paakinaho, Harri Heino, Pertti Törmälä
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Publication number: 20160361103Abstract: A biodegradable medical device including at least one biodegradable material and having an initial shape and at least one evolved shape. The evolved shape is different from the initial shape. The initial shape is adapted to change towards the evolved shape due to an external stimulus. The medical device has a tension loaded to a predetermined tension level. The medical device is adapted to resore the tension to the predetermined tension level for at least 2 weeks in physiological conditions, or conditions simulating the physiological conditions.Type: ApplicationFiled: June 15, 2016Publication date: December 15, 2016Applicant: BIORETEC OYInventors: Kaarlo Paakinaho, Harri Heino, Pertti Törmälä, Timo Allinniemi
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Patent number: 9393060Abstract: A biodegradable medical device including at least one biodegradable material and having an initial shape and at least one evolved shape. The evolved shape is different from the initial shape. The initial shape is adapted to change towards the evolved shape due to an external stimulus. The medical device has a tension loaded to a predetermined tension level. The medical device is adapted to restore the tension to the predetermined tension level for at least 2 weeks in physiological conditions, or conditions simulating the physiological conditions.Type: GrantFiled: December 5, 2008Date of Patent: July 19, 2016Assignee: Bioretec OyInventors: Kaarlo Paakinaho, Harri Heino, Pertti Tormala, Timo Allinniemi
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Patent number: 9078714Abstract: The present invention relates to a bioabsorbable osteosynthesis fixation device for the fixation of bone fractures or osteotomies. The fixation device comprises a tip, a shaft and a head. The periphery of the shaft comprises ridges which extend in a direction which forms an angle with the longitudinal axis of the shaft, the angle being between ?45° and 45°. The present invention also relates to a method for manufacturing the bioabsorbable osteosynthesis fixation device.Type: GrantFiled: June 6, 2007Date of Patent: July 14, 2015Assignee: BIORETEC OYInventors: Timo Allinniemi, Harri Heino, Pertti Törmälä
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Publication number: 20150032167Abstract: A bioabsorbable surgical osteosynthesis plate operable to be secured by at least one fastener through at least one fastener opening formed in the plate to a bone. The plate includes a flat section having first and second surfaces defining a main plane of the plate. The plate includes a polymer material that is oriented multiaxially and is substantially rigid and substantially deformable at a first thermochemical state. In the multiaxially oriented structure of the plate the polymer material is arranged according to at least three different orientation axes along the main plane of the plate as a result of solid state drawing of the plate. The polymer material of the plate has isotropic mechanical tear properties in different directions along the main plane of the plate.Type: ApplicationFiled: August 27, 2012Publication date: January 29, 2015Applicant: BIORETEC OYInventors: Harri Heino, Pertti Törmälä, Kalle Räsänen, Jarkko Haarjärvi
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Publication number: 20130211000Abstract: A biodegradable composite material or device including at least one biodegradable polymer matrix material and at least one filler component. The material or device has an initial shape and at least one evolved shape. The evolved shape is different from the initial shape. The initial shape is adapted to change towards the evolved shape. The filler component is adapted to accelerate and/or amplify the transformation from the initial shape towards the evolved shape when the external stimulus for transformation is given by physiological conditions. Also a method to control the shape transformation rate of a composite material or device.Type: ApplicationFiled: May 11, 2010Publication date: August 15, 2013Applicant: BIORETEC OYInventors: Kaarlo Paakinaho, Harri Heino, Pertti Törmälä
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Patent number: 8080043Abstract: The invention relates to a bioabsorbable surgical osteosynthesis plate, operable to be secured by at least one fastener through at least one fastener opening formed in the plate to a bone. The osteosynthesis plate has first and second surfaces, and it is formed to one piece from a bioabsorbable polymer material that is oriented multiaxially and is substantially rigid and substantially deformable at a first thermochemical state. The plate comprises an oblique (diagonal) orientation gradient in relation to the direction of a reference axis of the plate.Type: GrantFiled: July 17, 2006Date of Patent: December 20, 2011Assignee: Bioretec OyInventors: Pertti Törmälä, Harri Heino, Mikko Huttunen
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Patent number: 7964206Abstract: Porous bioabsorbable, bioactive and load-bearing composite medical device structure includes a plurality of regular textile planar layers (1a, 1b . . . ) formed of continuous bioabsorbable polymer matrix and bioceramic fibers acting as reinforcements, both included in continuous fibrous elements (3) forming the textile layers. The layers are placed on top of each other to form a structure having two dimensions (x, y) at right angles to each other according to the two dimensions of the textile layer and a third dimension (z) perpendicular to them and resulting from the piling of the layers. A plurality of passages extend through the layers as a result of the openings (2) defined by portions of the continuous fibrous elements (3) extending substantially in the direction of the plane.Type: GrantFiled: August 20, 2004Date of Patent: June 21, 2011Assignee: Bioretec OyInventors: Esa Suokas, Pertti Törmälä, Nureddin Ashammakhi, Heimo Ylänen, Mikko Hupa
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Patent number: 7824428Abstract: The present invention relates a system to be used with an implanting tool having a tip part. The system has a longitudinal axis and comprises a polymeric screw (31) having a head (11) and an adapter between the screw (31) and the implanting tool. The adapter comprises a first part (32) which fits the tip part of the implanting tool. The first part comprises a first element and the system comprises a second element. The first element and the second element are connected to each other with a torque limiting junction having a first maximum torque when the screw is screwed in and a second maximum torque when the screw is screwed off. The shape of the first element and the second element is such that the second maximum torque of the torque limiting junction is greater than the first maximum torque, thus allowing the removal of the polymeric screw (31) from its position.Type: GrantFiled: May 24, 2007Date of Patent: November 2, 2010Assignee: Bioretec OyInventors: Joonas Mikkonen, Harri Heino, Pertti Törmälä, Pertti Vesanen, Timo Allinniemi
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Publication number: 20100121463Abstract: The present invention relates to a bioabsorbable and bioactive composite material for surgical musculoskeletal applications comprising a bioabsorbable polymeric matrix material which is reinforced with bioabsorbable polymeric fibers and bioabsorbable ceramic fibers. The surgical bioabsorbable polymeric matrix material is reinforced with the bioabsorbable polymeric fibers and the bioabsorbable ceramic fibers from which at least a portion is longer than 150 ?m. The invention also relates to a method for manufacturing a bioabsorbable and bioactive composite material.Type: ApplicationFiled: April 27, 2006Publication date: May 13, 2010Applicant: BIORETEC OYInventors: Pertti Törmälä, Mikko Huttunen, Nureddin Ashammakhi, Mikko Tukiainen, Heimo Ylänen, Mikko Hupa, Minna Kellomäki
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Patent number: 7648504Abstract: A bioabsorbable band system is provided. The system comprises a bioabsorbable elongated band and two locking member systems. This band system may be used to heal bone fractures or osteotomies.Type: GrantFiled: September 9, 2003Date of Patent: January 19, 2010Assignee: Bioretec LtdInventors: Harri Heino, Pertti Törmälä, Timo Waris
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Publication number: 20090270923Abstract: A bioabsorbable band system for securing a bone fracture, or an osteotomy, or a soft tissue on a bone. The bioabsorbable band system includes a needle system and a bioabsorbable band including a bioabsorbable locking member. The bioabsorbable band includes a length having an at least partially oriented structure. The bioabsorbable band further includes a locking mechanism with a locking member. Also a method for producing the bioabsorbable band.Type: ApplicationFiled: July 14, 2006Publication date: October 29, 2009Applicant: BIORETEC OYInventors: Pertti Tormala, Harri Heino, Pertti Vesanen
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Publication number: 20090149856Abstract: A biodegradable medical device including at least one biodegradable material and having an initial shape and at least one evolved shape. The evolved shape is different from the initial shape. The initial shape is adapted to change towards the evolved shape due to an external stimulus. The medical device has a tension loaded to a predetermined tension level. The medical device is adapted to restore the tension to the predetermined tension level for at least 2 weeks in physiological conditions, or conditions simulating the physiological conditions.Type: ApplicationFiled: December 5, 2008Publication date: June 11, 2009Applicant: BIORETEC OYInventors: Kaarlo Paakinaho, Harri Heino, Pertti Tormala, Timo Allinniemi
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Patent number: 7541049Abstract: Surgical osteosynthesis composite material which has three components: biodegradable polymer reinforcement, bioceramic or bioglass filler reinforcement and biodegradable polymer matrix. This invention relates to biodegradable materials used for bone fracture fixation devices and methods of their manufacture. Unlike other known materials used prior to this application, the composites of this invention have two different reinforcing phases and one matrix phase. One reinforcing element is referred as the polymeric reinforcing element and the other as the ceramic reinforcing element.Type: GrantFiled: September 2, 1997Date of Patent: June 2, 2009Assignee: Linvatec Biomaterials OyInventors: Pertti Törmälä, Minna Kellomäki, William Bonfield, Kathleen Elizabeth Tanner
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Publication number: 20080255561Abstract: A medical device for surgical applications including a body. The body includes bioabsorbable basic material and has a longitudinal axis. The body includes an inner region and a peripheral region transverse to the longitudinal axis so that the peripheral region surrounds the inner region. The inner region is made of bioabsorbable basic material and the peripheral region includes the bioabsorbable basic material. The peripheral region includes a bioabsorbable reinforcing structure in addition to the bioabsorbable basic material.Type: ApplicationFiled: April 14, 2008Publication date: October 16, 2008Applicant: BIORETEC OYInventors: Pertti Tormala, Mikko Huttunen, Harri Heino
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Patent number: 7419681Abstract: A method of enhancing the drug release rate from a composite material. The composite material includes a synthetic, bioabsorbable polymer matrix and a drug particle phase dispersed therein. The release rate of the drug from the polymer matrix is enhanced by orienting the composite material. The drug release rate of the oriented composite material is greater than the drug release rate from an otherwise comparable non-oriented composite material.Type: GrantFiled: December 2, 2004Date of Patent: September 2, 2008Assignee: Bioretec, Ltd.Inventors: Pertti Törmälä, Esa Suokas, Minna Veiranto, Nureddin Ashammakhi
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Publication number: 20080132959Abstract: A system to be used with an implanting tool having a tip part. The system has a longitudinal axis and includes a polymeric screw having a head and an adapter between the screw and the implanting tool. The adapter includes a first part that fits the tip part of the implanting tool.Type: ApplicationFiled: November 1, 2007Publication date: June 5, 2008Applicant: BIORETEC OYInventors: Joonas Mikkonen, Harri Heino, Pertti Tormala, Pertti Vesanen, Timo Allinniemi
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Publication number: 20080097524Abstract: A surgical thread and a surgical device. The surgical thread includes at least two adjacent elongated elements that are connected to each other and include filament fibers such that a maximum cross-sectional diameter of the thread is substantially greater than the cross-sectional diameter of the thread in the direction perpendicular to the maximum diameter, and the elements are connected by a structure that is arranged to be broken at least at the ends of the elements such that the thread can be divided into single elements. The surgical device includes a needle and a surgical thread attached to the surgical needle.Type: ApplicationFiled: August 31, 2005Publication date: April 24, 2008Applicant: Bioretec OyInventors: Harry Goransson, Anna Viinikainen, Pentti Rokkanen, Katja Huovinen, Minna Kellomaki, Pertti Tormala
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Publication number: 20080071299Abstract: A bioabsorbable elongated member including a first end and a second end and an elongated part therebetween. The elongated part includes a front end, a back end and a target point in which the front end terminates and the back end begins. The bioabsorbable elongated member possesses a predetermined orientation. The orientation of the bioabsorbable elongated member is alterable so that a bulge is formed in the bioabsorbable elongated member by mechanical, thermal or thermomechanical straining of the elongated member at the target point. The bulge forms a local stopper of the bioabsorbable elongated member, or a part of a local stopper, or a bending point of the bioabsorbable elongated member. A method for forming a local stopper, a part of a local stopper, or a bending point in a bioabsorbable elongated member.Type: ApplicationFiled: September 20, 2007Publication date: March 20, 2008Applicant: BIORETEC OYInventors: Timo Allinniemi, Pertti Tormala, Esa Partio