Patents by Inventor Hans-Jürgen Tiedtke
Hans-Jürgen Tiedtke 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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Publication number: 20230364600Abstract: An automated pipetting system includes a pipettor. The pipettor includes a pipetting channel, a first plunger mechanism operable to change a pressure in the pipetting channel to aspirate or dispense a liquid, and a second plunger mechanism operable to change the pressure in the pipetting channel to aspirate or dispense the liquid.Type: ApplicationFiled: May 26, 2022Publication date: November 16, 2023Inventors: Thomas Perroud, Thomas Rawlins, Hans-Juergen Tiedtke, Kai Hassler
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Publication number: 20230366904Abstract: An automated pipetting system includes a pipettor. The pipettor includes a pipetting channel, a first plunger mechanism operable to change a pressure in the pipetting channel to aspirate or dispense a liquid, and a second plunger mechanism operable to change the pressure in the pipetting channel to aspirate or dispense the liquid.Type: ApplicationFiled: May 11, 2022Publication date: November 16, 2023Inventors: Thomas Perroud, Thomas Rawlins, Hans-Juergen Tiedtke, Kai Hassler
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Publication number: 20230075535Abstract: An automated laboratory apparatus for processing a sample includes a treatment chamber for receiving the sample, a movement device arranged movably in at least one first spatial direction of the treatment chamber, an analysis unit arranged in the treatment chamber for analyzing the sample, which analysis unit can be received by the movement device and can be moved to the sample by the movement device, and an electronic control device which is signal-connected to the movement device and the analysis unit.Type: ApplicationFiled: March 3, 2020Publication date: March 9, 2023Inventors: Hans-jürgen TIEDTKE, Harald QUINTEL, Konstantin LUTZE
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Publication number: 20230073005Abstract: A pipetting device for processing a fluid sample includes a receiving element and a pipette tip detachably arranged on the receiving element, a displacement element flow-connected to the pipette tip for generating a flow for receiving or ejecting the fluid sample. The pipetting device includes an optically transparent extension detachably arranged on the pipette tip in such a way that the extension is flow-connected to the displacement element via the pipette tip, so that the fluid sample can be received into the extension or can be ejected from the extension by the flow that can be generated by the displacement element.Type: ApplicationFiled: April 21, 2020Publication date: March 9, 2023Inventors: Hans-jürgen TIEDTKE, Harald QUINTEL, Konstantin LUTZE
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Publication number: 20220411210Abstract: A device for receiving, stacking, and removing microplates is presented and described. The device comprises a tower for stacking the microplates, wherein a microplate comprises a container and, optionally, a lid. There is a retaining device at the lower end of the tower, which has a first retaining tool and a second retaining tool, and preferably partially encompasses a microplate. The first retaining tool is designed to hold a microplate in a form-fitting manner. The second retaining tool is designed to fix a container in the microplate in place in a frictional manner. The first retaining tool is above the second retaining tool in the stacking direction. A system that comprises the device described above, a dispenser device, and a transport device, is also disclosed. The dispenser device is used to fill microplates, and the transport device is used to add and remove microplates to and from the device.Type: ApplicationFiled: June 23, 2022Publication date: December 29, 2022Applicant: INTEGRA Biosciences AGInventors: Andreas Städler, Hans-Jürgen Tiedtke
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Publication number: 20200181684Abstract: A device for the reversible immobilization of biomolecules by magnetic particles includes a container. The container is configured to be filled with a liquid containing biomolecules and a magnet. The magnet is arranged on the container in such a way that magnetic particles arranged in the container and to which the biomolecules are capable of being immobilized, are configured to be fixed in the container. An inhomogeneous magnetic field id configured to act on the magnetic particles disposed in the container and is capable of being generated by the arrangement of the magnet, so that the magnetic particles are arranged in a structured manner by the influence of the inhomogeneous magnetic field.Type: ApplicationFiled: April 13, 2018Publication date: June 11, 2020Inventors: Hans-Jürgen TIEDTKE, Harald QUINTEL, Konstantin LUTZE
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Patent number: 9895529Abstract: The object,—to create a printed circuit board for an implant having improved properties in connection with the electrical contacting via the contact points of the conductor tracks on the printed circuit board,—is achieved, according to the present invention, by means of a device for contacting and/or electrostimulation of living tissue cells or nerves with having a printed circuit board having with at least one contact point for electrical contacting, the printed circuit board encompassing comprising a flexible multilayer system with at least one conductor track. In accordance with the invention, the contact points for the conductor track in the multilayer system are galvanically reinforced. To this end, a galvanically reinforced layer is grown onto the already preprocessed contact point, for example by means of a galvanic process.Type: GrantFiled: November 19, 2014Date of Patent: February 20, 2018Assignee: PIXIUM VISION SAInventor: Hans-Jürgen Tiedtke
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Publication number: 20170143476Abstract: The object of providing a device for reversibly attaching an implant to an eye, with which the implant can be attached in a simple way to the eye and can if necessary be detached or removed from the eye, is achieved according to the present invention by means of a device for attaching an implant by means of a pin that comprises a substantially elongated shaft, wherein the implant includes an implant film for contacting living tissue or nerves in the visual system of the eye and the implant film has an opening through which the shaft of the pin can be at least partially inserted, characterised in that the device includes a holding element that can be arranged on the shaft of the pin so that the holding element engages on the shaft of the pin and is fixed in an attachment position to the pin.Type: ApplicationFiled: February 2, 2017Publication date: May 25, 2017Inventors: Hans-Jürgen Tiedtke, Alexander Meyer
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Patent number: 9636212Abstract: The object of providing a device for reversibly attaching an implant to an eye, with which the implant can be attached in a simple way to the eye and can if necessary be detached or removed from the eye, is achieved according to the present invention by means of a device for attaching an implant by means of a pin that comprises a substantially elongated shaft, wherein the implant includes an implant film for contacting living tissue or nerves in the visual system of the eye and the implant film has an opening through which the shaft of the pin can be at least partially inserted, characterised in that the device includes a holding element that can be arranged on the shaft of the pin so that the holding element engages on the shaft of the pin and is fixed in an attachment position to the pin.Type: GrantFiled: January 26, 2007Date of Patent: May 2, 2017Assignee: PIXIUM VISION SAInventors: Hans-Jürgen Tiedtke, Alexander Meyer
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Publication number: 20150352360Abstract: The present invention relates to a microelectronics element, such as an optical receiver element, for a medical implant device to be implanted in the human or animal body, particularly for a retinal implant device. The microelectronics element comprises a functional unit including application specific microelectronics, such as a photodiode, for performing a function in the medical implant device, and rectifier means adapted for converting an AC supply voltage into a DC voltage. The DC voltage provided by the rectifier means, or an operating voltage derived from the DC voltage, is configured to be supplied to the functional unit. Further, the functional unit and the rectifier means are integrated on a common semiconductor substrate and configured such that the rectifier means isolates the microelectronics element from application of an external DC supply voltage. The invention also relates to a medical implant device, such as a retinal implant, which incorporates such a microelectronics element.Type: ApplicationFiled: March 12, 2015Publication date: December 10, 2015Applicant: PIXIUM VISION SAInventor: Hans-Jürgen Tiedtke
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Patent number: 9079042Abstract: A power supply for a retina implant at least partly located in the interior of a patient's eye is described. The power supply comprises a first transmission coil (4, 23), a second transmission coil (5, 24). The power supply further comprises a signal generation unit adapted for generating a first high frequency signal and a second high frequency signal, and for applying the first high frequency signal to the first transmission coil and the second high frequency signal to the second transmission coil, the second high frequency signal being phase shifted relative to the first high frequency signal. The first transmission coil is adapted for transmitting the first high frequency signal, and the second transmission coil is adapted for transmitting the second high frequency signal.Type: GrantFiled: March 20, 2008Date of Patent: July 14, 2015Assignee: PIXIUM VISION SAInventors: Hans-Jürgen Tiedtke, Alexander Rath
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Patent number: 9037252Abstract: The present invention provides a visual prosthesis comprising: image capture means for capturing an image from a surrounding environment; image processing means for processing the image and converting the image into a transmissible image signal; signal processing means for processing and converting the image signal into a stimulation signal; and a retina stimulation device (10) adapted to stimulate the retina of both left and right eyes in accordance with the stimulation signal. The retina stimulation device (10) comprises a left-side stimulation unit (11) having an electrode array (12) for stimulating the retina of the left eye, and a right-side stimulation unit (11?) having an electrode array (12?) for stimulating the retina of the right eye, with the left-side stimulation unit (11) having a configuration which is reversed with respect to a configuration of the right-side stimulation unit (11?).Type: GrantFiled: February 27, 2009Date of Patent: May 19, 2015Assignee: PIXIUM VISION SAInventor: Hans-Jürgen Tiedtke
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Patent number: 9002463Abstract: The present invention relates to a microelectronics element, such as an optical receiver element, for a medical implant device to be implanted in the human or animal body, particularly for a retinal implant device. The microelectronics element comprises a functional unit including application specific microelectronics, such as a photodiode, for performing a function in the medical implant device, and rectifier means adapted for converting an AC supply voltage into a DC voltage. The DC voltage provided by the rectifier means, or an operating voltage derived from the DC voltage, is configured to be supplied to the functional unit. Further, the functional unit and the rectifier means are integrated on a common semiconductor substrate and configured such that the rectifier means isolates the microelectronics element from application of an external DC supply voltage. The invention also relates to a medical implant device, such as a retinal implant, which incorporates such a microelectronics element.Type: GrantFiled: January 14, 2009Date of Patent: April 7, 2015Assignee: Pixium Vision SAInventor: Hans-Jürgen Tiedtke
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Publication number: 20150080996Abstract: The object,—to create a printed circuit board for an implant having improved properties in connection with the electrical contacting via the contact points of the conductor tracks on the printed circuit board,—is achieved, according to the present invention, by means of a device for contacting and/or electrostimulation of living tissue cells or nerves with having a printed circuit board having with at least one contact point for electrical contacting, the printed circuit board encompassing comprising a flexible multilayer system with at least one conductor track. In accordance with the invention, the contact points for the conductor track in the multilayer system are galvanically reinforced. To this end, a galvanically reinforced layer is grown onto the already preprocessed contact point, for example by means of a galvanic process.Type: ApplicationFiled: November 19, 2014Publication date: March 19, 2015Applicant: PIXIUM VISION SAInventor: Hans-Jürgen TIEDTKE
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Patent number: 8918186Abstract: The object,—to create a printed circuit board for an implant having improved properties in connection with the electrical contacting via the contact points of the conductor tracks on the printed circuit board,—is achieved, according to the present invention, by means of a device for contacting and/or electrostimulation of living tissue cells or nerves with having a printed circuit board having with at least one contact point for electrical contacting, the printed circuit board encompassing comprising a flexible multilayer system with at least one conductor track. In accordance with the invention, the contact points for the conductor track in the multilayer system are galvanically reinforced. To this end, a galvanically reinforced layer is grown onto the already preprocessed contact point, for example by means of a galvanic process.Type: GrantFiled: January 26, 2007Date of Patent: December 23, 2014Assignee: Pixium Vision SAInventor: Hans-Jürgen Tiedtke
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Patent number: 8918188Abstract: The present invention provides an electrode array for a medical implant device, comprising a substrate supporting a plurality of electrodes, the substrate comprising at least two layers of material including a first layer and a second layer, wherein the first layer of material and the second layer of material have different coefficients of thermal expansion. The plurality of electrodes may be supported on the first layer of material, and are preferably incorporated in and/or project from the second layer of material. The second layer of material may itself have a layered structure comprising multiple material layers, with the plurality of electrodes incorporated within the said multiple material layers. The first layer of material preferably has a higher coefficient of thermal expansion than the second layer of material. The invention furthermore provides a medical implant device including an electrode array according to the invention, and a method of manufacturing such an electrode array.Type: GrantFiled: September 26, 2008Date of Patent: December 23, 2014Assignee: Pixium Vision SAInventor: Hans-Jürgen Tiedtke
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Publication number: 20120101550Abstract: The present invention provides a visual prosthesis comprising: image capture means for capturing an image from a surrounding environment; image processing means for processing the image and converting the image into a transmissible image signal; signal processing means for processing and converting the image signal into a stimulation signal; and a retina stimulation device (10) adapted to stimulate the retina of both left and right eyes in accordance with the stimulation signal. The retina stimulation device (10) comprises a left-side stimulation unit (11) having an electrode array (12) for stimulating the retina of the left eye, and a right-side stimulation unit (11?) having an electrode array (12?) for stimulating the retina of the right eye, with the left-side stimulation unit (11) having a configuration which is reversed with respect to a configuration of the right-side stimulation unit (11?).Type: ApplicationFiled: February 27, 2009Publication date: April 26, 2012Applicant: IMI INTELLIGENT MEDICAL IMPLANTS AGInventor: Hans-Jürgen Tiedtke
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Publication number: 20120065670Abstract: The present invention provides a plug device or grommet (1) for sealing an incision in tissue of a human or animal body, such as an incision in the tissue of the sclera (S) made during a surgical intervention for the implantation of a visual prosthesis. The device (1) comprises: a cover part (10) for covering the incision and an area of the tissue (S) around the incision; and an insertion part (20) extending from the cover part (10) for insertion into the incision through the tissue (S). The insertion part (20) defines a sealable passage (30) which is adapted to extend through the incision, and the insertion part (20) is preferably flexible and resiliency deformable to open and close the sealable passage (30) there-through. The sealable passage (30) extends through the incision to provide communication between an outer side (S0) of the tissue and an inner side (Si) of the tissue. The passage (30) may accommodate a component which provides a connection or interconnection through the tissue (S).Type: ApplicationFiled: March 10, 2009Publication date: March 15, 2012Applicant: IMI INTELLIGENT MEDICAL IMPLANTS AGInventors: Hans-Jürgen Tiedtke, Ralf Hornig, Gisbert Richard
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Publication number: 20110257716Abstract: The present invention provides an electrode array for a medical implant device, comprising a substrate supporting a plurality of electrodes, the substrate comprising at least two layers of material including a first layer and a second layer, wherein the first layer of material and the second layer of material have different coefficients of thermal expansion. The plurality of electrodes may be supported on the first layer of material, and are preferably incorporated in and/or project from the second layer of material. The second layer of material may itself have a layered structure comprising multiple material layers, with the plurality of electrodes incorporated within the said multiple material layers. The first layer of material preferably has a higher coefficient of thermal expansion than the second layer of material. The invention furthermore provides a medical implant device including an electrode array according to the invention, and a method of manufacturing such an electrode array.Type: ApplicationFiled: September 26, 2008Publication date: October 20, 2011Applicant: IMI INTELLIGENT MEDICAL IMPLANTS AGInventor: Hans-Jürgen Tiedtke
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Publication number: 20110071627Abstract: The object of providing a device for reversibly attaching an implant to an eye, with which the implant can be attached in a simple way to the eye and can if necessary be detached or removed from the eye, is achieved according to the present invention by means of a device for attaching an implant by means of a pin that comprises a substantially elongated shaft, wherein the implant includes an implant film for contacting living tissue or nerves in the visual system of the eye and the implant film has an opening through which the shaft of the pin can be at least partially inserted, characterised in that the device includes a holding element that can be arranged on the shaft of the pin so that the holding element engages on the shaft of the pin and is fixed in an attachment position to the pin.Type: ApplicationFiled: January 26, 2007Publication date: March 24, 2011Inventors: Hans-Jürgen Tiedtke, Alexander Meyer