Abstract: A system and method for creating a unified commercial real estate data model through collection, distribution and use of information in connection with commercial real estate and for creating a web-based marketplace that facilitates the efficient and secure buying, selling, and leasing of commercial properties. The invention provides a digital marketplace in which the members of the commercial real estate and related business community can continuously interact and facilitate transactions by efficiently exchanging accurate and standardized information. An embodiment provides a system and method for providing communication and analytical tools that interface with a commercial real estate database and support commercial real estate transactions between parties. These communication and analytical tools can include: 1) a survey tool; 2) a commercial real estate transaction tool; 3) a tour scheduling tool; 4) an activity summary tool; 5) a tool for analyzing commercial real estate data; and 6) a map search tool.

Abstract: The invention provides for re-warming of a cryosurgical instrument after its use in the cold mode, during which refrigerant is supplied through a first duct through first restriction, by admitting to the cavity within the probe tip fluid from a pressurized source through a second duct this supply being subject to control imposed by a second restriction.