Patents by Inventor Volker Buntrock
Volker Buntrock 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: 11648051Abstract: A surgical instrument includes a jaw tool with two branches that can be closed for grasping tissue. In order to transmit the closing force to at least one branch, the branch is coupled with a preferably manually actuatable pull/push element, and, for coupling, an actuating pin that supports a sleeve interacts via the sleeve with a coupling track, in which case the sleeve rolls off the coupling track. In this manner, any deformation, abrasion or burr formation on the coupling track is prevented to such an extent that, even after numerous closing movements of the branches, the branches can still be actuated unimpaired by any wear of the coupling track and the actuating pin, respectively.Type: GrantFiled: June 4, 2019Date of Patent: May 16, 2023Assignee: ERBE ELEKTROMEDIZIN GMBHInventors: Udo Kirstgen, Volker Buntrock, Marcus Amann
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Patent number: 11478294Abstract: A medical instrument comprising a device for activating or deactivating a function of the instrument. The device comprises first and second parts, which are each movable into an operative position relative to the other part to activate or deactivate a function of the instrument. A second control element for moving the second part into the operative position provides a control portion and comprises, for moving the first part into the operative position, a first control element which provides an additional control portion. The first control element can be moved in an opposite direction the direction from the second control element. Accordingly, the function is activated by moving a control element in a distal direction, and by moving another control element in a proximal direction. A deflection of force by one actuating element for actuating the first part or the second part in the opposite direction is not necessary.Type: GrantFiled: August 28, 2019Date of Patent: October 25, 2022Assignee: ERBE ELEKTROMEDIZIN GMBHInventors: Markus Paesch, Volker Buntrock, David Loeser, Stefanie Schmidt
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Patent number: 11234752Abstract: An electrosurgical instrument, in particular for argon plasma coagulation, includes a handpiece 10, an electrode (11) connected to the handpiece (10), a shaft (12) which surrounds the electrode (11) and is held in the handpiece (10), and an operating mechanism (13), which comprises at least one rotary knob (14) arranged on the handpiece (10). The shaft (12) is axially movable relative to the electrode (11) and a shear force can be applied to it by operating the rotary knob (14). The handpiece (10) has a brake device which exerts a braking force on the shaft (12), and the operating mechanism (13) forms a transmission gear (15) which is connected to the shaft (12) for transferring the shear force.Type: GrantFiled: December 20, 2018Date of Patent: February 1, 2022Assignee: Erbe Elektromedizin GmbHInventors: Udo Kirstgen, Thorsten Rombach, Tobias Alberstetter, Elmar Ahlburg, Volker Buntrock
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Patent number: 11234724Abstract: An instrument including an actuation gear mechanism that provides two functions of a tool. The actuation gear mechanism comprises a cam mechanism and a gear segment mechanism. The circumference of the cam disk of the cam mechanism—in a first section (?1)—is a spiral curve for generating a stroke for closing the forceps tool, while the circumference of the cam disk—in a second, adjoining, angular range (?2)—is circular. When the cam disk with the circular curved line biases the spring means, no further movement takes place on the output of the cam mechanism. Preferably, two congruent cam disks are provided, whereby these—together with the driving gear and the segment gear, as well as the shaft—form a one-piece plastic injection-molded part. The installation space between the cam disks can be utilized for a slide with a gear rack for shifting the knife.Type: GrantFiled: July 6, 2018Date of Patent: February 1, 2022Assignee: Erbe Elektromedizin GmbHInventors: Udo Kirstgen, Volker Buntrock
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Publication number: 20200069362Abstract: A medical instrument comprising a device for activating or deactivating a function of the instrument. The device comprises first and second parts, which are each movable into an operative position relative to the other part to activate or deactivate a function of the instrument. A second control element for moving the second part into the operative position provides a control portion and comprises, for moving the first part into the operative position, a first control element which provides an additional control portion. The first control element can be moved in an opposite direction the direction from the second control element. Accordingly, the function is activated by moving a control element in a distal direction, and by moving another control element in a proximal direction. A deflection of force by one actuating element for actuating the first part or the second part in the opposite direction is not necessary.Type: ApplicationFiled: August 28, 2019Publication date: March 5, 2020Inventors: Markus Paesch, Volker Buntrock, David Loeser, Stefanie Schmidt
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Publication number: 20190365459Abstract: The surgical instrument (10) according to the invention comprises a jaw tool (16) with two branches (20a, 20b) that can be closed for grasping tissue. In order to transmit the closing force to at least one branch (20a, 20b), the branch (20a, 20b) is coupled with a preferably manually actuatable pull/push element (50), and, for coupling, an actuating pin (46) that supports a sleeve (70) interacts via the sleeve with a coupling track (65a, 65b; 66a, 66b), in which case the sleeve rolls off the coupling track (65a, 65b; 66a, 66b). In this manner, any deformation, abrasion or burr formation on the coupling track (65a, 65b; 66a, 66b) is prevented to such an extent that, even after numerous closing movements of the branches (20a, 20b), said branches can still be actuated unimpaired by any wear of the coupling track (65a, 65b; 66a, 66b) and the actuating pin (46), respectively.Type: ApplicationFiled: June 4, 2019Publication date: December 5, 2019Inventors: Udo Kirstgen, Volker Buntrock, Marcus Amann
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Publication number: 20190117292Abstract: An electrosurgical instrument, in particular for argon plasma coagulation, includes a handpiece 10, an electrode (11) connected to the handpiece (10), a shaft (12) which surrounds the electrode (11) and is held in the handpiece (10), and an operating mechanism (13), which comprises at least one rotary knob (14) arranged on the handpiece (10). The shaft (12) is axially movable relative to the electrode (11) and a shear force can be applied to it by operating the rotary knob (14). The handpiece (10) has a brake device which exerts a braking force on the shaft (12), and the operating mechanism (13) forms a transmission gear (15) which is connected to the shaft (12) for transferring the shear force.Type: ApplicationFiled: December 20, 2018Publication date: April 25, 2019Inventors: Udo Kirstgen, Thorsten Rombach, Tobias Alberstetter, Elmar Ahlburg, Volker Buntrock
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Patent number: 10194974Abstract: An electrosurgical instrument, in particular for argon plasma coagulation, includes a handpiece 10, an electrode (11) connected to the handpiece (10), a shaft (12) which surrounds the electrode (11) and is held in the handpiece (10), and an operating mechanism (13), which comprises at least one rotary knob (14) arranged on the handpiece (10). The shaft (12) is axially movable relative to the electrode (11) and a shear force can be applied to it by operating the rotary knob (14). The handpiece (10) has a brake device which exerts a braking force on the shaft (12), and the operating mechanism (13) forms a transmission gear (15) which is connected to the shaft (12) for transferring the shear force.Type: GrantFiled: January 27, 2015Date of Patent: February 5, 2019Assignee: Erbe Elektromedizin GmbHInventors: Udo Kirstgen, Thorsten Rombach, Tobias Alberstetter, Elmar Ahlburg, Volker Buntrock
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Publication number: 20190008537Abstract: An instrument including an actuation gear mechanism that provides two functions of a tool. The actuation gear mechanism comprises a cam mechanism and a gear segment mechanism. The circumference of the cam disk of the cam mechanism—in a first section (?1)—is a spiral curve for generating a stroke for closing the forceps tool, while the circumference of the cam disk—in a second, adjoining, angular range (?2)—is circular. When the cam disk with the circular curved line biases the spring means, no further movement takes place on the output of the cam mechanism. Preferably, two congruent cam disks are provided, whereby these—together with the driving gear and the segment gear, as well as the shaft—form a one-piece plastic injection-molded part. The installation space between the cam disks can be utilized for a slide with a gear rack for shifting the knife.Type: ApplicationFiled: July 6, 2018Publication date: January 10, 2019Inventors: Udo Kirstgen, Volker Buntrock
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Publication number: 20150216585Abstract: An electrosurgical instrument, in particular for argon plasma coagulation, includes a handpiece 10, an electrode (11) connected to the handpiece (10), a shaft (12) which surrounds the electrode (11) and is held in the handpiece (10), and an operating mechanism (13), which comprises at least one rotary knob (14) arranged on the handpiece (10). The shaft (12) is axially movable relative to the electrode (11) and a shear force can be applied to it by operating the rotary knob (14). The handpiece (10) has a brake device which exerts a braking force on the shaft (12), and the operating mechanism (13) forms a transmission gear (15) which is connected to the shaft (12) for transferring the shear force.Type: ApplicationFiled: January 27, 2015Publication date: August 6, 2015Inventors: Udo Kirstgen, Thorsten Rombach, Tobias Alberstetter, Elmar Ahlburg, Volker Buntrock