Patents by Inventor Fredrik Preinitz
Fredrik Preinitz 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: 11033446Abstract: A wheel assembly comprising a wheelchair wheel (5) and a backstop arrangement (10; 30; 70) configured to selectively engage and disengage a backstop function and comprising a backstop selector (15; 35; 75) and a backstop member (18; 38; 78), wherein the wheel (5) comprises an internal-gear wheel hub (11; 31; 71) comprising a number of internal gears (57, 58) and having an inner rotatable circumferential surface (13; 33; 73), and wherein the backstop member is configured to allow the inner circumferential surface to rotate in one direction and to prevent rotation in the opposite direction. The wheel assembly comprises further a gear-shift arrangement comprising a shift member (54), which is axially moveable within the internal-gear hub (31) to engage a specific gear of said number of internal gears (57, 58), and wherein the shift member (54) via a connector member (55) is operatively connected to the backstop selector.Type: GrantFiled: August 16, 2017Date of Patent: June 15, 2021Assignee: GEARWHEEL ABInventors: Lars Tenerz, Nils Didner, Fredrik Preinitz
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Publication number: 20190183699Abstract: A wheel assembly comprising a wheelchair wheel (5) and a backstop arrangement (10; 30; 70) configured to selectively engage and disengage a backstop function and comprising a backstop selector (15; 35; 75) and a backstop member (18; 38; 78), wherein the wheel (5) comprises an internal-gear wheel hub (11; 31; 71) comprising a number of internal gears (57, 58) and having an inner rotatable circumferential surface (13; 33; 73), and wherein the backstop member is configured to allow the inner circumferential surface to rotate in one direction and to prevent rotation in the opposite direction. The wheel assembly comprises further a gear-shift arrangement comprising a shift member (54), which is axially moveable within the internal-gear hub (31) to engage a specific gear of said number of internal gears (57, 58), and wherein the shift member (54) via a connector member (55) is operatively connected to the backstop selector.Type: ApplicationFiled: August 16, 2017Publication date: June 20, 2019Applicant: GEARWHEEL ABInventors: Lars TENERZ, Nils DIDNER, Fredrik PREINITZ
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Patent number: 9763670Abstract: The invention relates to a compression unit adapted to be arranged around a patient's forearm to provide pressure to a radial artery puncture site, wherein the compression unit comprises a unit attachment band provided with a frame, and a compression element in the shape of an inflatable bladder, the compression element is further adapted to be arranged within said frame, such that when the compression unit is arranged around a patient's forearm, the compression element provides pressure to the puncture wound when the compression element is inflated. The invention also relates to a radial artery compression system.Type: GrantFiled: January 19, 2011Date of Patent: September 19, 2017Assignee: ST. JUDE MEDICAL COORDINATION CENTER BVBAInventors: Björn Atthoff, Erik Hansson, Fredrik Preinitz, Fredrik Mahlin
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Patent number: 9101340Abstract: A medical apparatus (100; 200; 300) is provided, comprising a closure device (21; 102; 202; 302) comprising a first or distal member or portion adapted to be placed on one side of an opening in a wall of a bodily organ, and a second or proximal member or portion adapted to be placed on the opposite side of the opening in the wall of the bodily organ, an insertion assembly (101; 201; 301) comprising at least one actuator operatively connected to at least one of said first or second members, wherein the insertion assembly further comprises at least one motor (105; 106; 205; 306) adapted to maneuver said at least one actuator.Type: GrantFiled: March 31, 2008Date of Patent: August 11, 2015Assignee: ST. JUDE MEDICAL COORDINATION CENTER BVBAInventor: Fredrik Preinitz
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Patent number: 9028466Abstract: A universal introducer adapter which can be inserted into a pre-placed introducer of arbitrary dimensions eliminates the need to replace or remove the introducer. The adapter includes a distal portion with a retainer in the form of a soft elastic material.Type: GrantFiled: June 8, 2009Date of Patent: May 12, 2015Assignee: St. Jude Medical Coordination Center BVBAInventors: Björn Atthoff, Fredrik Preinitz
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Patent number: 8945173Abstract: Dorsal forearm plate having a three-dimensional concave shape adapted to the shape of the dorsal forearm such that the dorsal forearm may rest on the forearm plate, the dorsal forearm plate has an essentially rectangular extension having opposing long sides and opposing short sides and has a substantially rigid unitary body adapted to underlie the posterior of the patient's hand, wrist and forearm, the plate is provided with two attachment bands, a distal and a proximal attachment band, adapted to attach the plate at the dorsal forearm of a patient.Type: GrantFiled: December 9, 2010Date of Patent: February 3, 2015Assignee: St. Jude Medical Coordination Center BVBAInventors: Björn Atthoff, Erik Hansson, Fredrik Preinitz, Fredrik Mahlin
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Patent number: 8858591Abstract: A method for sealing a hole in a bodily organ includes introducing a first member and a second member into the bodily organ, the first and second members being connected by an elongated member. The first and second members are retracted proximally until the first member abuts an inner surface of the bodily organ and the second member is retracted out of the hole in the bodily organ. Then, the second member is pushed distally into abutment with an outer surface of the bodily organ. A sealing device for sealing a puncture in tissue is also described.Type: GrantFiled: October 31, 2007Date of Patent: October 14, 2014Assignee: Radi Medical Systems ABInventors: Fredrik Preinitz, Fredrik Mahlin
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Patent number: 8734366Abstract: The invention provides a method for replacing a first introducer, whose distal end is inside a vessel and whose proximal end is outside the skin of a patient, with a second introducer. The method comprises the steps of inserting a guide rod into the first introducer, removing the first introducer, passing the second introducer over the guide rod, and removing the guide rod. The guide rod to be used according to the method has preferably a flexible distal portion with a blunt distal end and a stiff proximal portion with a tapered proximal end.Type: GrantFiled: July 10, 2006Date of Patent: May 27, 2014Assignee: Radi Medical Systems ABInventors: Per Egnelöv, Fredrik Preinitz, Lars Tenerz
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Patent number: 8512372Abstract: A closure device includes an actuator movable between an initial extended position, a first position, and a second position with respect to a housing of the closure device, an inner seal configured to deploy from a distal end of the closure device when the actuator shifts from the initial extended position to the first position, a biasing mechanism configured to urge the actuator from the first position to the second position when a first pulling force is applied to the housing, and a locking member configured to deploy from the distal end of the closure device when the actuator shifts from the second position to the first position subsequent to deployment of the inner seal.Type: GrantFiled: January 10, 2012Date of Patent: August 20, 2013Assignee: Radi Medical Systems ABInventors: Per Egnelöv, Fredrik Preinitz
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Publication number: 20130144331Abstract: The invention provides an introducer sheath (1, 21, 51), whose distal end is to be positioned inside a vessel (10, 32, 62), at a predetermined distance from the wall (9, 31, 61) of the vessel (10, 32, 62). The introducer sheath (1, 21, 51) comprises a distal portion (2, 22, 52) with a first diameter and a proximal portion (3, 23, 53) with a second diameter, the first diameter being smaller than the diameter of the puncture hole and the second diameter being larger than the diameter of the puncture hole.Type: ApplicationFiled: February 1, 2013Publication date: June 6, 2013Inventors: Per EGNELOV, Fredrik PREINITZ
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Patent number: 8382793Abstract: The invention provides an introducer sheath (1, 21, 51), whose distal end is to be positioned inside a vessel (10, 32, 62), at a predetermined distance from the wall (9, 31, 61) of the vessel (10, 32, 62). The introducer sheath (1, 21, 51) comprises a distal portion (2, 22, 52) with a first diameter and a proximal portion (3, 23, 53) with a second diameter, the first diameter being smaller than the diameter of the puncture hole and the second diameter being larger than the diameter of the puncture hole.Type: GrantFiled: January 14, 2003Date of Patent: February 26, 2013Assignee: Radi Medical Systems ABInventors: Per Egnelöv, Fredrik Preinitz
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Publication number: 20120296369Abstract: The invention relates to a compression unit adapted to be arranged around a patient's forearm to provide pressure to a radial artery puncture site, wherein the compression unit comprises a unit attachment band provided with a frame, and a compression element in the shape of an inflatable bladder, the compression element is further adapted to be arranged within said frame, such that when the compression unit is arranged around a patient's forearm, the compression element provides pressure to the puncture wound when the compression element is inflated. The invention also relates to a radial artery compression system.Type: ApplicationFiled: January 19, 2011Publication date: November 22, 2012Applicant: ST. JUDE MEDICAL SYSTEMS ABInventors: Björn Atthoff, Erik Hansson, Fredrik Preinitz, Fredrik Mahlin
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Patent number: 8308762Abstract: A medical closure device (1; 20) comprising an inner member (2; 23), which is adapted to be positioned against an inner surface of a tissue wall, and a retaining member (3; 13; 21), which is attached to the inner member, wherein the retaining member is in the form of a loop made up by multiple coils of at least one filament, the coils lying side-by-side one another such that when increasing tension is applied in the loop, at least one of the at least one filament breaks apart before side-by-side portions of the at least one filament slide readily with respect to one another.Type: GrantFiled: March 10, 2009Date of Patent: November 13, 2012Assignee: St. Jude Medical Systems ABInventors: Fredrik Mahlin, Fredrik Preinitz
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Publication number: 20120109192Abstract: A closure device for sealing a percutaneous puncture in the wall of a blood vessel includes: an insertion tool having an actuator which is operable in a first mode in which the actuator is configured for deployment of an inner seal inside the vessel and operable in a second mode in which the actuator is configured for tamping a locking member on an outside of the vessel, where the actuator is arranged to be set into the second mode in response to a pulling force acting on a filament connecting the inner seal and the locking member.Type: ApplicationFiled: January 10, 2012Publication date: May 3, 2012Inventors: Per EGNELÖV, Fredrik PREINITZ
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Publication number: 20120101516Abstract: Dorsal forearm plate having a three-dimensional concave shape adapted to the shape of the dorsal forearm such that the dorsal forearm may rest on the forearm plate, the dorsal forearm plate has an essentially rectangular extension having opposing long sides and opposing short sides and has a substantially rigid unitary body adapted to underlie the posterior of the patient's hand, wrist and forearm, the plate is provided with two attachment bands, a distal and a proximal attachment band, adapted to attach the plate at the dorsal forearm of a patient.Type: ApplicationFiled: December 9, 2010Publication date: April 26, 2012Inventors: Björn Atthoff, Erik Hansson, Fredrik Preinitz, Fredrik Mahlin
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Patent number: 8118831Abstract: A closure device for sealing a percutaneous puncture in the wall of a blood vessel includes: an insertion tool having an actuator which is operable in a first mode in which the actuator is configured for deployment of an inner seal inside the vessel and operable in a second mode in which the actuator is configured for tamping a locking member on an outside of the vessel, where the actuator is arranged to be set into the second mode in response to a pulling force acting on a filament connecting the inner seal and the locking member.Type: GrantFiled: January 14, 2004Date of Patent: February 21, 2012Assignee: Radi Medical Systems ABInventors: Per Egnelöv, Fredrik Preinitz
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Publication number: 20110029014Abstract: A medical closure device (1; 20) comprising an inner member (2; 23), which is adapted to be positioned against an inner surface of a tissue wall, and a retaining member (3; 13; 21), which is attached to the inner member, wherein the retaining member is in the form of a loop made up by multiple coils of at least one filament, the coils lying side-by-side one another such that when increasing tension is applied in the loop, at least one of the at least one filament breaks apart before side-by-side portions of the at least one filament slide readily with respect to one another.Type: ApplicationFiled: March 10, 2009Publication date: February 3, 2011Inventors: Fredrik Mahlin, Fredrik Preinitz
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Publication number: 20100312224Abstract: A universal introducer adapter which can be inserted into a pre-placed introducer of arbitrary dimensions eliminates the need to replace or remove the introducer. The adapter includes a distal portion with a retainer in the form of a soft elastic material.Type: ApplicationFiled: June 8, 2009Publication date: December 9, 2010Inventors: Björn Atthoff, Fredrik Preinitz
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Patent number: 7654963Abstract: An indicator device for visually indicating a pressure of blood inside a blood vessel includes: a body, the body comprising a duct extending in the body and having a sealed proximal end; a distal end portion adapted to be positioned inside the blood vessel and including a liquid inlet opening in fluid communication with the duct; and a window including an at least semi-transparent section configured to enable visual observation of blood entering into the duct via the inlet opening when the inlet opening is located inside the blood vessel.Type: GrantFiled: January 14, 2004Date of Patent: February 2, 2010Assignee: Radi Medical Systems ABInventors: Per Egnelöv, Fredrik Preinitz, James Fuchs, Dan Åkerfeldt, Lars Tenerz
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Patent number: RE44297Abstract: A tool (101) is provided for inserting and mating two plug members (2, 3) of a sealing device (1) for closing a wound in the wall of a vessel by placing the distal plug member (2) of the sealing device inside the vessel and the proximal plug member (3) on the outside of the vessel. The distal plug member is provided with an elongated retracting means (6) extending from the distal plug member. The tool comprises a gear mechanism (32) coupled to the retracting means for converting a movement of the tool in a proximal direction away from the wound (22), when the distal plug member is anchored in the vessel (20), to a pushing movement for moving the proximal plug member in a direction towards the distal plug member in response to a stretching force in the retracting means.Type: GrantFiled: June 18, 1999Date of Patent: June 11, 2013Assignee: Radi Medical Systems ABInventors: Dan Åkerfeldt, Per Egnelov, Fredrik Preinitz