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Actuator for heart pump
Having described my invention, I claim: 1. In a heart pump having a housing, inlet and outlet passageways in said housing, a diaphragm means for reciprocating said ...
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Involute cam actuator with piston drive
We claim: 1. A mechanism for producing a linear relationship between angular movement of a shaft and axial movement of a piston comprising: a piston operating along an ...
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Sexual aid
In view of the foregoing disadvantages inherent in the known types of sex devices now present in the prior art, the present invention provides an improved sexual aid. As ...
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Percutaneous transseptal left atrial cannulation system
The cannulation method of Bernstein is complex. The insertion and removal of the guide wire, the needle, and obturator within the catheter risks potential system ...
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Multi-lumen cannula
The cannula according to the invention overcomes the problems of the prior art by providing a multi-lumen cannula with independently reinforced lumens so that ...
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Brachytherapy seed deployment system
One aspect of the present invention is to enable brachytherapy needles to be preloaded with radioactive seeds and spacers, organized, packaged and shipped sterile in ...
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Reciprocating pump and linear motor arrangement
In accordance with one aspect of the invention, a surgically implantable reciprocating pump for pumping fluids includes a hollow cylinder, an array of axially spaced ...
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Implantable device monitoring arrangement and method
We claim: 1. A monitoring arrangement for monitoring and controlling a device implantable in a human body comprising a secondary coil which is encapsulated in a material ...
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Articulated arm for holding surgical instruments
The present invention provides an articulated arm for holding surgical instruments which comprises a plurality of elongated arm members and a plurality of rotational ...
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Active magnetic bearing system for blood pump
In accordance with the present invention, a rotary blood pump is provided. The pump comprises a pump housing and a rotor mounted for rotation within the housing. The ...
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Heart Surgery 
