Patents by Inventor Christof Donitzky

Christof Donitzky 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).

  • Patent number: 8460376
    Abstract: An intraocular lens (10) is configured so that it can be incorporated into the capsule of an eye and its refractive power can be modified by the application of electrical voltages.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: June 11, 2013
    Assignee: Wavelight Laser Technologie AG
    Inventors: Christof Donitzky, Klaus Vogler
  • Patent number: 8454164
    Abstract: Device for measuring wave fronts generated by a lens (4) for an eye, with a radiation source (14) for emitting test radiation (12) to be directed at the lens (4) and a sensor device (26) for detecting wave fronts of incident test radiation after interaction with the lens, wherein the sensor device scans the test radiation (20) after interaction with the lens (4) at a scanning frequency which is at least equal in size to the frequency at which changes in wave fronts occur in the test radiation (20) after interaction with the lens (4).
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: June 4, 2013
    Assignee: Wavelight Laser Technologie AG
    Inventors: Claudia Gorschboth, Christof Donitzky
  • Patent number: 8449534
    Abstract: A device for machining the human cornea with focused laser radiation includes controllable components for setting the location of the radiation focus, a control computer for controlling these components, and also a control program for the control computer. The control program contains instructions that have been designed to bring about, upon execution by the control computer, the generation of incisions in the cornea in accordance with a predetermined incision figure, the incision figure defining a corneal bed, a flap situated on the bed and also at least one tissue strip situated in the region of the peripheral edge of the flap between the bed and the flap and extending along the edge of the flap. After the flap has been folded away, the tissue strip has to be removed and enables a creaseless post-ablative close fitting of the folded-back flap against the surface of the bed. In this manner, microstriae which may impair the visual capacity can be avoided.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: May 28, 2013
    Assignee: Wavelight GmbH
    Inventors: Christof Donitzky, Jörg Klenke, Christian Wüllner
  • Publication number: 20130110094
    Abstract: A patient transfer arrangement includes a movable substructure and a carrier member that is connected to the substructure and that is adapted to receive a patient in a sitting or lying position. A connecting device is detachably connectable to a complementary connecting device provided on a base unit of a medical treatment apparatus, in order to fasten the carrier member detachably to the medical treatment apparatus in such a position that a patient supported on the carrier member in a sitting or lying position is accessible to a medical treatment by means of a treatment unit of the medical treatment apparatus.
    Type: Application
    Filed: October 26, 2011
    Publication date: May 2, 2013
    Inventors: Armin Wellhöfer, Christof Donitzky
  • Patent number: 8425498
    Abstract: A device and a computer program for material processing, in particular refractive eye surgery, operate with a pulsed femtosecond laser and the individual focal points are positioned in such a way that the spacings of neighboring focal points for the most part vary, in order to avoid a regular grating structure avoiding undesired diffraction phenomena.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: April 23, 2013
    Assignee: Wavelight AG
    Inventors: Klaus Vogler, Christof Donitzky
  • Patent number: 8425499
    Abstract: A device for machining the human cornea with focused pulsed femtosecond laser radiation comprises scanner components for local setting of the beam focus, a control computer for controlling the scanner components, and a control program for the control computer. The control program contains instructions that upon execution by the control computer are designed to bring about the generation of an incision figure in the cornea encompassing a flap incision (38, 40). In accordance with the invention the incision figure further encompasses an auxiliary incision (50) connected with the flap incision and leading locally, preferentially directly, away from the latter as far as the surface of the cornea. The auxiliary incision is expediently generated temporally ahead of the flap incision and forms a discharge channel through which gases can escape that may arise in the course of the cutting of the flap incision.
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: April 23, 2013
    Assignee: Wavelight AG
    Inventors: Christof Donitzky, Mathias Woelfel
  • Patent number: 8382781
    Abstract: A device for ophthalmic surgery includes a vacuum-pump arrangement for generating a vacuum serving for fixing a suction ring to an eye, an evacuation-path system for transmitting the vacuum to an interface port which permits the separable attachment of a suction-ring instrumentarium including the suction ring, and also a control unit for controlling the vacuum-pump arrangement. In accordance with the invention, the device includes pressure-measuring components for measuring at least the vacuum pressure, the control unit adapted to ascertain a differential pressure between the measured vacuum pressure and an atmospheric pressure. The vacuum-pump arrangement is preferably operated at maximal pumping power in a test-operation mode with suction-ring instrumentarium not attached, in order to ascertain an optimally obtainable relative underpressure in the evacuation-path system.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: February 26, 2013
    Assignee: Wavelight GmbH
    Inventors: Tobias Jeglorz, Christof Donitzky
  • Patent number: 8343142
    Abstract: An arrangement for carrying out surgical laser treatments of the eye is adapted to emit pulsed treatment radiation with a wavelength of between about 190 nm and about 380 nm and a pulse duration in the femtosecond range. Such treatment radiation allows nonaggressive corneal or intraocular laser treatment of the eye, for example in order to make corneal cuts or deliberately ablate corneal tissue.
    Type: Grant
    Filed: November 15, 2006
    Date of Patent: January 1, 2013
    Assignee: Wavelight AG
    Inventors: Karsten König, Ronan Le Harzic, Christian Wüllner, Christof Donitzky
  • Patent number: 8337018
    Abstract: A surgical microscope (10) comprises an image display module for displaying an image to be overlaid into an observation beam path of the microscope, and an image sensor for recording an image of an eye (30) of an observer looking through the microscope. According to the invention, the image display module and the image sensor are formed by a common electronic module (28) produced in integrated circuit technology. The module (28) preferably has an organic light-emitting diode, produced in OLED-on-CMOS technology, for displaying the image to be overlaid. The image sensor may be formed by CMOS-compatible photodetectors.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: December 25, 2012
    Assignee: Wavelight GmbH
    Inventors: Armin Wellhöfer, Christof Donitzky
  • Patent number: 8337489
    Abstract: An apparatus for cutting a flap in the cornea of an eye (10) exhibits the following: a laser radiation source for generating laser radiation, means for shaping and guiding the laser radiation in relation to the cornea (20) in such a manner that in the cornea an incision (28) arises which enables a folding of the flap (26) upwards from the cornea. In the process the incision (28) is guided in the hinge region (22) of the cornea in such a way that an undercut arises under the hinge region (22). By this means it is ensured that, in particular in the case of an fs LASIK, the intervention into the stroma is effected substantially symmetrically in relation to a central axis of the cornea (20), so that no undesirable deformations of the cornea result post-operatively by reason of the intraocular pressure.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: December 25, 2012
    Assignee: Wavelight AG
    Inventor: Christof Donitzky
  • Publication number: 20120296318
    Abstract: A system for surgical treatment of an eye includes a laser arrangement that is adapted to emit light with a wavelength and repetition-rate suitable for surgical treatment of the eye. The system further includes a temperature-registration device that is adapted to register the temperature of an object that is to be subjected to the light of the laser arrangement.
    Type: Application
    Filed: May 16, 2011
    Publication date: November 22, 2012
    Inventors: Armin Wellhöfer, Christof Donitzky
  • Publication number: 20120268716
    Abstract: Device for measuring wave fronts generated by a lens (4) for an eye, with a radiation source (14) for emitting test radiation (12) to be directed at the lens (4) and a sensor device (26) for detecting wave fronts of incident test radiation after interaction with the lens, wherein the sensor device scans the test radiation (20) after interaction with the lens (4) at a scanning frequency which is at least equal in size to the frequency at which changes in wave fronts occur in the test radiation (20) after interaction with the lens (4).
    Type: Application
    Filed: April 26, 2012
    Publication date: October 25, 2012
    Applicant: WAVELIGHT LASER TECHNOLOGIE AG
    Inventors: Claudia Gorschboth, Christof Donitzky
  • Patent number: 8246610
    Abstract: Disclosed is an apparatus for ophthalmological, in particular, refractive laser surgery, which aligns a required ablation profile on a specified corneal point, which it calculates from the image data of an eye tracker, taking account of the depth of the anterior chamber of the eye, including the depth of the cornea, calculated individually for the respective patient.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: August 21, 2012
    Assignee: Wavelight AG
    Inventors: Peter Riedel, Christof Donitzky
  • Publication number: 20120203215
    Abstract: An apparatus for ophthalmic laser surgery includes a contact surface for shaping abutment of an eye to be treated, a first radiation-source for making a treatment laser beam available, optical components for directing the treatment laser beam through the contact surface onto the eye and also a measuring device for measuring at least one corneal thickness dimension or/and positional dimension of the eye bearing against the contact surface, whereby the measuring device makes measured data available that are representative of the measured at least one thickness dimension or/and positional dimension. The measuring device preferably serves for positional surveying of the corneal posterior surface of the eye, whereby an electronic evaluating and control arrangement connected to the measuring device brings about a focus control of the treatment laser beam in a manner depending on the measured position of the posterior surface of the cornea.
    Type: Application
    Filed: October 5, 2009
    Publication date: August 9, 2012
    Inventors: Peter Riedel, Christof Donitzky
  • Patent number: 8231221
    Abstract: An arrangement for carrying out a surgical treatment of an eye includes a diagnostic instrument which is adapted to register eye-structure data. A data processing unit is adapted to generate, on the basis of the eye-structure data registered by the diagnostic instrument, a structural image that contains at least one mapping of a characteristic eye structure and also at least one positional marking arranged relative to the mapping of the characteristic eye structure. An image-data fade-in device is adapted to fade the structural image generated by the data processing unit into an image generated by a surgical microscope during the implementation of a surgical treatment of the eye.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: July 31, 2012
    Assignee: WAVELIGHT GmbH
    Inventors: Christof Donitzky, Peter Riedel
  • Publication number: 20120191077
    Abstract: The invention relates to a suction ring (2) for ophthalmic surgery, with a first suction region (4), which is designed to suck the suction ring onto an eye (18), and with a second suction region (10), which is designed to aspirate a functional element (12). The functional element and/or the suction ring may exhibit measuring means. The functional element may be formed in the manner of a container, so that it can receive a liquid which in operation is located between the cornea of the eye and a lens.
    Type: Application
    Filed: March 30, 2012
    Publication date: July 26, 2012
    Applicant: WAVELIGHT AG
    Inventors: Michael MROCHEN, Michael BÜELER, Christof DONITZKY, Christian WÜLLNER
  • Publication number: 20120172853
    Abstract: An apparatus for ophthalmic laser surgery comprises a contact surface for formative bearing contact of an eye to be treated, components for providing focussed, pulsed treatment laser radiation and for directing the same through the contact surface onto the eye, a measuring device for measuring the position of the contact surface along the direction of propagation of the treatment laser radiation, the measuring device providing position data representing the measured position of the contact surface at least one location of the contact surface, and an electronic process and control unit, which is connected to the measuring device and which is adapted to control the focus position of the treatment laser radiation in dependence on the position data.
    Type: Application
    Filed: September 23, 2009
    Publication date: July 5, 2012
    Inventors: Peter Riedel, Christof Donitzky, Klaus Vogler
  • Publication number: 20120172855
    Abstract: An apparatus for ophthalmic laser surgery includes a contact surface for shaping abutment of an eye to be treated, a first radiation-source for making a treatment laser beam available, optical components for directing the treatment laser beam through the contact surface onto the eye, and also a measuring instrument for measuring the depth of the anterior chamber of the eye bearing against the contact surface, whereby the measuring instrument makes measured data available that are representative of the depth of the anterior chamber of the eye at least one point of the same. The apparatus enables a monitoring of the depth of the anterior chamber for a predetermined limiting value being fallen short of and in this way can prevent a dangerous close approach of the posterior surface of the cornea to the anterior surface of the lens when the eye is pressed against the contact surface.
    Type: Application
    Filed: September 30, 2009
    Publication date: July 5, 2012
    Inventors: Peter Riedel, Christof Donitzky
  • Publication number: 20120147325
    Abstract: A surgical microscope (10) comprises an image display module for displaying an image to be overlaid into an observation beam path of the microscope, and an image sensor for recording an image of an eye (30) of an observer looking through the microscope. According to the invention, the image display module and the image sensor are formed by a common electronic module (28) produced in integrated circuit technology. The module (28) preferably has an organic light-emitting diode, produced in OLED-on-CMOS technology, for displaying the image to be overlaid. The image sensor may be formed by CMOS-compatible photodetectors.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Inventors: Armin Wellhõfer, Christof Donitzky
  • Publication number: 20120150160
    Abstract: The invention relates to an apparatus for laser surgical ophthalmology, comprising a source of pulsed femtosecond laser radiation, components for guiding and focusing the laser radiation onto or into a tissue of an eye to be treated, a control unit controlling the source, which has been set up to switch the source between at least two operating modes with respectively differing radiation properties of the laser radiation, wherein in a first operating mode the radiation properties of the laser radiation are matched to the placement of an incision in the tissue, and in a second operating mode the radiation properties of the laser radiation are matched to a welding or cross-linking of the tissue.
    Type: Application
    Filed: February 3, 2012
    Publication date: June 14, 2012
    Inventors: Klaus Vogler, Christof Donitzky