Patents by Inventor Manfred Dworschak
Manfred Dworschak 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: 9549756Abstract: A medical insertion aid for surgical instruments and/or optical systems includes a shank forming an insertion duct, at the inner wall of which at least one groove extending in the longitudinal duct direction or being longitudinally orientated is formed. In addition or as an alternative, a medical insertion aid includes a distal end portion (axial central portion preferably in the distal end area) and a radially outwardly extending, preferably closed peripheral fluid flow inhibiting edge in the distal end portion. The inhibiting edge preferably forms at least one axially opening circular channel or groove, with the opening being directed distally and/or proximally.Type: GrantFiled: July 10, 2013Date of Patent: January 24, 2017Assignee: Aesculap AGInventors: Wolfgang Sauter, Manfred Dworschak, Axel Wittmer
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Publication number: 20150164547Abstract: A medical insertion aid for surgical instruments and/or optical systems includes a shank forming an insertion duct, at the inner wall of which at least one groove extending in the longitudinal duct direction or being longitudinally orientated is formed. In addition or as an alternative, a medical insertion aid includes a distal end portion (axial central portion preferably in the distal end area) and a radially outwardly extending, preferably closed peripheral fluid flow inhibiting edge in the distal end portion. The inhibiting edge preferably forms at least one axially opening circular channel or groove, with the opening being directed distally and/or proximally.Type: ApplicationFiled: July 10, 2013Publication date: June 18, 2015Inventors: Wolfgang Sauter, Manfred Dworschak, Axel Wittmer
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Patent number: 8292893Abstract: In a surgical instrument for tensioning two plate-shaped engaging elements with respect to each other at opposite sides of bone portions, a first engaging element carrying next to each other at a spacing from each other two pin-shaped or rod-shaped connecting members which pass through openings in the second engaging element, with a supporting surface for engagement on the side of the second engaging element that faces away from the first engaging element, and with a tensioning device engaging the connecting members for displacement of the connecting members and consequently of the first engaging element in the direction towards the second engaging element, to enable an individual adjustment of the engaging elements to the shape of the bone portions, it is proposed that the surgical instrument comprise next to each other two grip elements, each releasably connectable to a connecting member, and that the tensioning device engage the grip elements through a compensating element which, upon tensioning of the tenType: GrantFiled: October 9, 2009Date of Patent: October 23, 2012Assignee: Aesculap AGInventors: Theodor Lutze, Manfred Dworschak, Pedro Morales, Dieter Weisshaupt
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Patent number: 8133227Abstract: In a sternum closure device for fixing two sternum portions to be connected to one another, comprising an inner contact element for abutment on the inner surface of the sternum, at least one clamping element fixed to this contact element and projecting transversely from it and at least one outer contact element for abutment on the outer side of the sternum which can be clamped against the inner contact element by means of the clamping element guided through the intermediate space between the sternum portions, it is suggested in order to hinder the separation of the sternum as little as possible during any renewed operation that the inner contact element consist of two parts which are separate from one another and each of which is designed to abut on one of the two sternum portions and that connecting means be provided for the releasable connection of the two parts arranged next to one another.Type: GrantFiled: March 9, 2009Date of Patent: March 13, 2012Assignee: Aesculap AGInventors: Pedro Morales, Dieter Weisshaupt, Theodor Lutze, Manfred Dworschak
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Patent number: 8048077Abstract: In a sternum closure device for securing two sternum parts to be connected to one another, comprising an inner contact element to abut the inner face of the sternum, at least one clamping element secured thereto and projecting transversely therefrom, and comprising an outer contact element for abutment on the outer side of the sternum and which can be clamped by means of the clamping element guided through the intermediate space between the sternum parts against the inner contact element, in order to reduce the obstruction by the sternum closure device in the event of a renewed separation of the sternum parts, it is proposed that the inner contact element consists at least partially of a biocompatible plastics material.Type: GrantFiled: March 4, 2009Date of Patent: November 1, 2011Assignee: Aesculap AGInventors: Pedro Morales, Dieter Weisshaupt, Theodor Lutze, Manfred Dworschak, Leon Eijsman
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Patent number: 7867262Abstract: A surgical fixing device for the fixing of adjacent bone parts is provided. A first engaging element is provided for engaging the underside of the two bone parts and a second engaging element is provided for engaging the upper side of the bone parts. A tensioning device connects the two engaging elements to each other through an interspace between the bone parts and permanently fixes the two engaging elements with respect to each other in a tensioned manner when they engage the underside and the upper side of the bone parts. To make it easier to apply the fixing device, at least one elastic tensioning element is provided which displaces a supporting surface applied to the upper side of the bone parts toward the first engaging element, so that the supporting surface and the first engaging element can be moved away from each other against the force of the elastic tensioning element.Type: GrantFiled: April 12, 2007Date of Patent: January 11, 2011Assignee: Aesculap AGInventors: Pedro Morales, Dieter Weisshaupt, Manfred Dworschak, Theodor Lutze
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Publication number: 20100094362Abstract: In a surgical instrument for tensioning two plate-shaped engaging elements with respect to each other at opposite sides of bone portions, a first engaging element carrying next to each other at a spacing from each other two pin-shaped or rod-shaped connecting members which pass through openings in the second engaging element, with a supporting surface for engagement on the side of the second engaging element that faces away from the first engaging element, and with a tensioning device engaging the connecting members for displacement of the connecting members and consequently of the first engaging element in the direction towards the second engaging element, to enable an individual adjustment of the engaging elements to the shape of the bone portions, it is proposed that the surgical instrument comprise next to each other two grip elements, each releasably connectable to a connecting member, and that the tensioning device engage the grip elements through a compensating element which, upon tensioning of the tenType: ApplicationFiled: October 9, 2009Publication date: April 15, 2010Applicant: Aesculap AGInventors: Theodor Lutze, Manfred Dworschak, Pedro Morales, Dieter Weisshaupt
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Publication number: 20090234358Abstract: In a sternum closure device for fixing two sternum portions to be connected to one another, comprising an inner contact element for abutment on the inner surface of the sternum, at least one clamping element fixed to this contact element and projecting transversely from it and at least one outer contact element for abutment on the outer side of the sternum which can be clamped against the inner contact element by means of the clamping element guided through the intermediate space between the sternum portions, it is suggested in order to hinder the separation of the sternum as little as possible during any renewed operation that the inner contact element consist of two parts which are separate from one another and each of which is designed to abut on one of the two sternum portions and that connecting means be provided for the releasable connection of the two parts arranged next to one another.Type: ApplicationFiled: March 9, 2009Publication date: September 17, 2009Applicant: Aesculap AGInventors: Pedro Morales, Dieter Weisshaupt, Theodor Lutze, Manfred Dworschak
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Publication number: 20090234357Abstract: In a sternum closure device for securing two sternum parts to be connected to one another, comprising an inner contact element to abut the inner face of the sternum, at least one clamping element secured thereto and projecting transversely therefrom, and comprising an outer contact element for abutment on the outer side of the sternum and which can be clamped by means of the clamping element guided through the intermediate space between the sternum parts against the inner contact element, in order to reduce the obstruction by the sternum closure device in the event of a renewed separation of the sternum parts, it is proposed that the inner contact element consists at least partially of a biocompatible plastics material.Type: ApplicationFiled: March 4, 2009Publication date: September 17, 2009Applicant: Aesculap AGInventors: Pedro Morales, Dieter Weisshaupt, Theodor Lutze, Manfred Dworschak, Leon Eijsman
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Publication number: 20080312670Abstract: In order, in the case of a surgical ligature clip comprising two retaining arms, which are connected to one another in each case at one end by a deformable connection point and bendable in such a way towards one another that the arms move from an open position, in which they are spaced further apart from one another, into a closed position, in which the mutually opposing inner sides of the arms are brought permanently closer to one another, to improve the seat of the ligature clip on a hollow organ, it is proposed that it comprises an endless web member, which in the region of the two arms and the connection point forms two juxtaposed portions that merge one into the other at the free ends of the arms remote from the connection point.Type: ApplicationFiled: June 23, 2008Publication date: December 18, 2008Applicant: Aesculap AGInventors: Theodor Lutze, Manfred Dworschak
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Patent number: 7393348Abstract: A two-part medical instrument is proposed, comprising a first part having a peg and a second part having a peg receiver, wherein first part and second part are connected to one another by a peg/peg receiver connection and the first part is made of a plastics material, wherein the peg has a peripheral edge bead.Type: GrantFiled: February 23, 2005Date of Patent: July 1, 2008Assignee: AESCULAP AG & Co. KGInventors: Manfred Dworschak, Theodor Lutze, Pedro Morales, Dieter Weisshaupt
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Patent number: 7326229Abstract: In order to produce a medical instrument incorporating a first part and a second part which-are connected together by a connecting device wherein the two parts can be connected together in a simple manner, it is proposed that the first part should comprise a retaining chamber for the second part and that the second part be seated on the first part by means of at least one spigot and spigot-seating connecting arrangement in the retaining chamber.Type: GrantFiled: January 29, 2004Date of Patent: February 5, 2008Assignee: Aesculap AG & Co. KGInventors: Manfred Dworschak, Theodor Lutze, Pedro Morales, Dieter Weisshaupt
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Patent number: 7311720Abstract: In a closure device for an opening in a layer of tissue comprising a plurality of wings which provide and/or hold bearing areas on tissue surrounding the opening, the wings are held by means of respective joints for swivelling movement on a base part.Type: GrantFiled: February 26, 2004Date of Patent: December 25, 2007Assignee: Aesculap AG & Co. KGInventors: Gottfried Mueller, Thomas Beck, Manfred Dworschak, Sven Eggerstedt
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Publication number: 20070276387Abstract: An implant for fixing two bone parts to be connected to each other is provided. The implant includes a first plate-shaped engaging element for engaging inner surfaces of the bone parts, at least two tensioning elements fixed on the engaging element and projecting transversely from it, and a second plate-shaped engaging element for engaging outer surfaces of the bone parts. The second engaging element can be tensioned with respect to the first engaging element by means of the tensioning elements brought through the interspace between the bone parts. To improve the ease of handling of the implant during tensioning, it is proposed that the tensioning elements are connected to each other at their end opposite from the first engaging element by a bridge.Type: ApplicationFiled: April 12, 2007Publication date: November 29, 2007Applicant: AESCULAP AG & Co. KGInventors: Pedro Morales, Dieter Weisshaupt, Manfred Dworschak, Theodor Lutze
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Publication number: 20070270856Abstract: A surgical fixing device for the fixing of adjacent bone parts is provided. A first engaging element is provided for engaging the underside of the two bone parts and a second engaging element is provided for engaging the upper side of the bone parts. A tensioning device connects the two engaging elements to each other through an interspace between the bone parts and permanently fixes the two engaging elements with respect to each other in a tensioned manner when they engage the underside and the upper side of the bone parts. To make it easier to apply the fixing device, at least one elastic tensioning element is provided which displaces a supporting surface applied to the upper side of the bone parts toward the first engaging element, so that the supporting surface and the first engaging element can be moved away from each other against the force of the elastic tensioning element.Type: ApplicationFiled: April 12, 2007Publication date: November 22, 2007Applicant: AESCULAP AG & Co. KGInventors: Pedro Morales, Dieter Weisshaupt, Manfred Dworschak, Theodor Lutze
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Publication number: 20060122611Abstract: In a sternum closure device for fixing two sternum portions to be joined to each other, comprising a first plate-shaped contact element for placement against the inner surface of the sternum, a clamping element fixed on and protruding transversely from the first contact element, a second plate-shaped contact element for placement against the outer side of the sternum, the second contact element being clampable against the first contact element by means of the clamping element passing through the space between the sternum portions, and fixing projections on the first contact element pointing in the direction towards the second contact element, in order to facilitate placement of the sternum closure device, it is proposed that at least one fixing projection on the first contact element be provided with barb-shaped recesses.Type: ApplicationFiled: November 14, 2005Publication date: June 8, 2006Applicant: AESCULAP AG & Co. KGInventors: Pedro Morales, Manfred Dworschak, Leon Eijsman
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Publication number: 20050154377Abstract: A two-part medical instrument is proposed, comprising a first part having a peg and a second part having a peg receiver, wherein first part and second part are connected to one another by a peg/peg receiver connection and the first part is made of a plastics material, wherein the peg has a peripheral edge bead.Type: ApplicationFiled: February 23, 2005Publication date: July 14, 2005Applicant: AESCULAP AG & Co. KGInventors: Manfred Dworschak, Theodor Lutze, Pedro Morales, Dieter Weisshaupt
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Publication number: 20050120566Abstract: In order to ensure in any case, in the case of scissors for medical purposes comprising two scissor parts which are pivotally mounted on one another at a joint and each comprise a scissor blade, that the scissor blades of the scissor parts abut on one another under tension during the closure movement, it is suggested that the two scissor parts or parts securely connected to them have biasing elements, that the biasing elements of the two scissor parts abut on one another during their movement relative to one another when the scissor parts are pivoted and that the biasing elements be shaped such that the two scissor parts pass during closure from a rest position, in which the two scissor blades are not or only slightly biased against one another in the direction of their pivot axis, into a biasing position, in which the two scissor blades are brought closer to one another in the direction of their pivot axis and are thereby biased against one another.Type: ApplicationFiled: November 3, 2004Publication date: June 9, 2005Applicant: AESCULAP AG & Co. KGInventors: Manfred Dworschak, Theodor Lutze, Pedro Morales, Dieter Weisshaupt
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Patent number: 6887267Abstract: With an insertion catheter for inserting a vascular prosthesis into a vessel, with an elongate, substantially tubular catheter cover having a proximal and a distal end, with an outlet for the vascular prosthesis provided at the distal end, in order to make insertion of the vascular prosthesis into the vessel particularly safe and simple, in particular, to provide the vascular prosthesis with protection against twisting, it is proposed that the outlet have a cross-sectional shape differing from a circular shape, and that the cross-sectional area defined by the outlet area be smaller than the cross-sectional area of the vascular prosthesis inserted in the vessel in the opened, unexpanded state.Type: GrantFiled: January 29, 2002Date of Patent: May 3, 2005Assignee: Aesculap AG & Co. KGInventors: Manfred Dworschak, Theodor Lutze, Thomas Weik, Dieter Weisshaupt, Jens-Rainer Allenberg
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Publication number: 20040220592Abstract: In a closure device for an opening in a layer of tissue comprising a plurality of wings which provide and/or hold bearing areas on tissue surrounding the opening, the wings are held by means of respective joints for swivelling movement on a base part.Type: ApplicationFiled: February 26, 2004Publication date: November 4, 2004Applicant: AESCULAP AG & Co. KGInventors: Gottfried Mueller, Thomas Beck, Manfred Dworschak, Sven Eggerstedt