Medical devices and related methods are provided for treating a bleeding side of an internal bodily organ that are robust and versatile for use in a variety of endoscope applications. The N two-dimensional slices are arranged in order from a first two-dimensional slice to an Nth two-dimensional slice. Each attendee has a wireless device, such as a personal digital assistant. The computer processor identifies a first execution item of the plurality of execution items and determining a class corresponding to the first execution item. The thread on the head of the fastener has a profile in cross section that includes arcuate peaks with a flat on the outer surface of the peak. The trace unit is configured to receive the program flow information from the CPU for generating compact function trace data.