Abstract: The invention relates to a rotary blood pump including a housing having an internal chamber, a blood inlet port and a blood outlet port, a rotor including a plurality of blades and being adapted to rotate within the chamber. The pump includes a bearing system for controlling the position of the rotor wherein the bearing system includes one or more permanent magnets embedded in the rotor and one or more electromagnetic field inducing means embedded in the housing. The magnets embedded in the rotor are influenced by the electromagnetic field inducing means embedded in the housing for controlling the position of the rotor relative to the internal chamber of the housing and for driving rotation of the impeller within the chamber of the housing.

Abstract: The present invention provides a device to increase the number of members in a dating service developing their profiles by providing a financial incentive. The invention further reduces unwanted communications from other members by allowing member recipients of the unwanted communication to receive a fee, paid by the sender, for receiving the communication. The invention further reduces unwanted communications from other members by allowing a member sending a communication to place on the profile of the member receiving the communication a comment which the receiving member cannot remove unless the received fee is returned, if the fee is not returned the member receiving the communication may post a responding comment. The invention further increases the safety of the members by providing the sender and receiver of a message a code that may be used by each to identify the other.

Abstract: The present invention provides a system and method to increase the number of members in a dating service developing their profiles by providing a financial incentive. The invention further reduces unwanted communications from other members by allowing member recipients of the unwanted communication to receive a fee, paid by the sender, for receiving the communication. The invention further reduces unwanted communications from other members by allowing a member sending a communication to place on the profile of the member receiving the communication a comment which the receiving member cannot remove unless the received fee is returned, if the fee is not returned the member receiving the communication may post a responding comment. The invention further increases the safety of the members by providing the sender and receiver of a message a code that may be used by each to identify the other.