Wittman
Georg Wittman, Herzogenaurach DE
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20110257508 | Device For Supporting, Scanning, Tomographically Displaying A Patient And Carrying Out An Intervention And Method For Determining The Spatial Relation Between Optical Recordings And Tomographic Displays - A device is disclosed for supporting, scanning, tomographically displaying a patient and carrying out an intervention. In at least one embodiment, for the device includes a computer system to: calculate the spatial position of at least one intervention channel in spatial relation to the patient couch and/or to the patient on the basis of previously obtained positional information on the at least one tomographic display of the patient; output the respectively current optical recordings of the patient on the patient couch online; and superpose the current optical recordings of the patient with a spatially adapted display of the intervention channel and/or intervention target point and/or an intervention instrument directed at the intervention channel. Moreover, a method is disclosed for determining the spatial relation between optical recordings and tomographic displays, with the aid of an adjustment phantom with at least three points in space that can be identified visually and at least three points in space that can be identified by the tomographic recording system, the mutual relative spatial positions of which are known. | 10-20-2011 |
Joseph Richard Wittman, Weissenfeld DE
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20130020372 | VACUUM ASSISTED SURGICAL STAPLER - A surgical fastener applying apparatus includes an anvil half-section and a cartridge-receiving half-section including an elongated channel member having a pair of opposed openings defined through sidewalls thereof. A disposable assembly including a single use loading unit and a single use firing unit is configured to be releasably supported within the cartridge-receiving half-section. The disposable assembly includes a stationary housing for supporting the firing unit which includes a distal extension for supporting the single use loading unit. The stationary housing includes a pair of flared tabs configured to be releasably received within the openings of the cartridge-receiving half-section to releasably engage the disposable assembly within the cartridge-receiving half-section. | 01-24-2013 |
20140263573 | VACUUM ASSISTED SURGICAL STAPLER - A surgical stapling apparatus having a vacuum device associated therewith is disclosed. The vacuum device may be removable, fixedly secured thereto, or incorporated into the surgical stapling apparatus. The vacuum device may include a resilient band and vacuum tube secured to the shell assembly or body portion of the surgical stapling apparatus. Alternately, a vacuum chamber may be secured about the shell assembly and/or body portion of the stapling apparatus. In addition, one or more vacuum tubes may be positioned in the vacuum chamber. The vacuum tubes, preferably, extend into the shell assembly and are movable between nondeployed and deployed positions such that a distal end of each tube can be selectively positioned at multiple positions | 09-18-2014 |
Steffen Wittman, Moerfelden-Walldorf DE
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20120128066 | ENCODING METHOD, DECODING METHOD, ENCODING DEVICE AND DECODING DEVICE - A coding method comprises: transforming an input signal; quantizing a transformed output signal; and entropy coding quantized coefficients, wherein the transforming includes: generating a first transformed output signal by performing a first transform on the input signal using a first transform coefficient; and generating a second transformed output signal by performing, using a second transform coefficient, a second transform on a first partial signal which is a part of the first transformed output signal, and outputting the transformed output signal including the generated second transformed output signal and a second partial signal which is the remaining part of the first transformed output signal other than the first partial signal, and wherein, in the generating and outputting, at least one of (i) the first partial signal that is a target signal range for the second transform and (ii) the second transform coefficient is adaptively determined temporally or spatially. | 05-24-2012 |