Patents Assigned to AFreeze GmbH
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Patent number: 12076068Abstract: An ablation applicator for an ablation device for ablating tissue of a blood vessel having a tubular body defining an inner lumen to which an ablation medium is conductible, a control mechanism for converting the tubular body between a passive operation mode for inserting the ablation applicator into the blood vessel and an active operation mode for ablating tissue of the blood vessel, and an ablation medium supply line for supplying the ablation medium to the inner lumen and positioned within the inner lumen and having a number of openings for passing the ablation medium from the ablation medium supply line to the inner lumen for thermally contacting the ablation medium with the tubular body wherein at least some of the openings are distributed along the ablation medium supply line with a predetermined spacing between neighboring openings.Type: GrantFiled: August 30, 2021Date of Patent: September 3, 2024Assignee: Afreeze GmbHInventors: Gerald Fischer, Florian Hintringer
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Patent number: 11103296Abstract: An ablation applicator for an ablation device for ablating tissue of a blood vessel having a tubular body defining an inner lumen to which an ablation medium is conductable, a control mechanism for converting the tubular body between a passive operation mode for inserting the ablation applicator into the blood vessel and an active operation mode for ablating tissue of the blood vessel, and an ablation medium supply line for supplying the ablation medium to the inner lumen and positioned within the inner lumen and having a number of openings for passing the ablation medium from the ablation medium supply line to the inner lumen for thermally contacting the ablation medium with the tubular body wherein at least some of the openings are distributed along the ablation medium supply line with a predetermined spacing between neighboring openings.Type: GrantFiled: February 28, 2018Date of Patent: August 31, 2021Assignee: Afreeze GmbHInventors: Gerald Fischer, Florian Hintringer
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Patent number: 11083513Abstract: A catheter device for ablating biological material is described. The catheter device comprises (a) a longitudinal structure; (b) an applicator for ablating the biological material, wherein the applicator is installed at the longitudinal structure; (c) a first electrode being attached to the longitudinal structure; (d) a second electrode being attached to the longitudinal structure; (e) an interface being connected directly or indirectly to the longitudinal structure; (f) a first lead electrically connecting the first electrode with the interface; and (g) a second lead electrically connecting the second electrode with the interface. The interface is configured for electrically connecting the first lead and the second lead with a measurement device for electrically stimulating the first electrode and the second electrode and for detecting an electric quantity being associated with an electric response of an biological material being located in between the two stimulated electrodes.Type: GrantFiled: July 7, 2016Date of Patent: August 10, 2021Assignee: Afreeze GmbHInventor: Gerald Fischer
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Patent number: 10660689Abstract: An ablation device comprising an ablation applicator adapted for ablating material from an object upon delivery of an ablation medium to the ablation applicator in an ablation mode, an ablation medium supply line adapted for supplying the ablation medium to the ablation applicator in the ablation mode, an ablation medium drain line adapted for draining the ablation medium received from the ablation applicator in the ablation mode, and a closure mechanism adapted for selectively enclosing a predefined volume in a fluidic path upon operating the ablation device in a no-flow mode or upon detecting a leak in the fluidic path, the fluidic path including the ablation applicator and being defined between the ablation medium supply line and the ablation medium drain line.Type: GrantFiled: March 29, 2017Date of Patent: May 26, 2020Assignee: AFreeze GmbHInventors: Gerald Fischer, Florian Hintringer
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Patent number: 9918772Abstract: An ablation applicator for an ablation device, the ablation applicator comprising a tubular body defining an inner lumen to which an ablation medium is conductible, wherein the tubular body comprises a matrix accommodating a plurality of particles.Type: GrantFiled: July 13, 2012Date of Patent: March 20, 2018Assignee: Afreeze GmbHInventors: Gerald Fischer, Florian Hintringer, Adrian Schütte, Michael Emonts
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Patent number: 9662162Abstract: An ablation device comprising an ablation applicator adapted for ablating material from an object upon delivery of an ablation medium to the ablation applicator in an ablation mode, an ablation medium supply line adapted for supplying the ablation medium to the ablation applicator in the ablation mode, an ablation medium drain line adapted for draining the ablation medium received from the ablation applicator in the ablation mode, and a closure mechanism adapted for selectively enclosing a predefined volume in a fluidic path upon operating the ablation device in a no-flow mode or upon detecting a leak in the fluidic path, the fluidic path including the ablation applicator and being defined between the ablation medium supply line and the ablation medium drain line.Type: GrantFiled: May 31, 2011Date of Patent: May 30, 2017Assignee: AFreeze GmbHInventors: Gerald Fischer, Florian Hintringer
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Patent number: 9492216Abstract: A handle for an ablation device, the handle comprising a positioning control handle part adapted to be coupled to a positioning catheter of the ablation device and adapted to position the positioning catheter in an object, and an ablation control handle part adapted to be coupled to an ablation catheter of the ablation device and adapted to ablate material of the object using the ablation catheter, wherein the positioning control handle part and the ablation control handle part are adapted to be separable from one another.Type: GrantFiled: March 12, 2009Date of Patent: November 15, 2016Assignee: Afreeze GmbHInventors: Gerald Fischer, Florian Hintringer, Martin Goll
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Patent number: 9011425Abstract: An ablation device comprising a positioning catheter adapted to be positionable in a heart and comprising a fixation mechanism for fixing the positioning catheter in the heart, and an ablation catheter adapted to ablate material of the heart using the ablation catheter, wherein the ablation catheter is designed to ablate tissue along an isthmus of the heart, wherein the positioning catheter and the ablation catheter are provided to be movable relative to one another.Type: GrantFiled: March 12, 2009Date of Patent: April 21, 2015Assignee: Afreeze GmbHInventors: Gerald Fischer, Florian Hintringer
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Patent number: 8777936Abstract: A cooling device for cooling a catheter, the cooling device comprising a main cooling unit adapted for supplying the catheter with a main cooling medium and a precooling unit adapted for precooling the main cooling medium before supply of the main cooling medium to the catheter, wherein the main cooling unit comprises a cooling pathway through which a fluid is guidable as the main cooling medium, and comprising a control unit adapted for automatically controlling the main cooling unit and the precooling unit to perform a predetermined cooling procedure, wherein the control unit is adapted for activating the precooling unit before activating a supply of the main cooling medium by the main cooling unit to the catheter.Type: GrantFiled: September 12, 2008Date of Patent: July 15, 2014Assignee: AFreeze GmbHInventors: Gerald Fischer, Florian Hintringer, Martin Goll
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Publication number: 20130211394Abstract: An ablation device comprising an ablation applicator adapted for ablating material from an object upon delivery of an ablation medium to the ablation applicator in an ablation mode, an ablation medium supply line adapted for supplying the ablation medium to the ablation applicator in the ablation mode, an ablation medium drain line adapted for draining the ablation medium received from the ablation applicator in the ablation mode, and a closure mechanism adapted for selectively enclosing a predefined volume in a fluidic path upon operating the ablation device in a no-flow mode or upon detecting a leak in the fluidic path, the fluidic path including the ablation applicator and being defined between the ablation medium supply line and the ablation medium drain line.Type: ApplicationFiled: May 31, 2011Publication date: August 15, 2013Applicant: AFREEZE GMBHInventors: Gerald Fischer, Florian Hintringer
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Publication number: 20090124972Abstract: A cooling device for cooling a catheter, the cooling device comprising a main cooling unit adapted for supplying the catheter with a main cooling medium and a precooling unit adapted for precooling the main cooling medium before supply of the main cooling medium to the catheter, wherein the main cooling unit comprises a cooling pathway through which a fluid is guidable as the main cooling medium, and comprising a control unit adapted for automatically controlling the main cooling unit and the precooling unit to perform a predetermined cooling procedure, wherein the control unit is adapted for activating the precooling unit before activating a supply of the main cooling medium by the main cooling unit to the catheter.Type: ApplicationFiled: September 12, 2008Publication date: May 14, 2009Applicant: AFreeze GmbHInventors: Gerald Fischer, Florian Hintringer, Martin Goll