Medical capsule device
Patent 4507115 Issued on March 26, 1985. Estimated Expiration Date: 
February 28, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 28, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3485235 3606592 3659600 Medical capsule device Patent #: 4439197 InventorsAssigneeApplicationNo. 06/583289 filed on 02/28/1984US Classes:604/135, Spring drives piston600/578, Mechanical means for drawing liquid into collection reservoir600/582, Collection receptacle placed within body604/131, Treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.)604/327, Receptacle attached to or inserted within body to receive discharge therefrom604/891.1, Implanted dynamic device or system604/93.01Material introduced or removed through conduit, holder, or implantable reservoir inserted in bodyExaminersPrimary: Rosenbaum, C. FredAssistant: Vinyard, Sherri E. Attorney, Agent or FirmInternational ClassA61M 31/00 (20060101)Foreign Application Priority Data1981-04-01 JPAbstractA medical capsule device comprises a capsule body having a chamber formed inside and a communicating path for communicating the chamber with outside, a movable member arranged in the chamber and movable between a liquid-receiving position at which the volume of said chamber is made largest and a liquid-pushing position at which the volume of said chamber is made smallest, and a coiled operating member made of shape memory alloy heated by ultrasonic wave to move the movable member to liquid-receiving and -pushing positions selectively.Other References
Field of SearchTreating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.)Material impelled into body by contraction of expanded elastic material reservoir Material exhausted from body by expansion of contracted elastic receptacle or resilient means therein Material impelled by spring Spring drives piston Material impelled by nonreciprocating piston driven by motor MEANS AND METHODS FOR COLLECTING BODY FLUIDS OR WASTE MATERIAL (E.G., RECEPTACLES, ETC.) Receptacle attached to or inserted within body to receive discharge therefrom Receptacle or portion thereof inserted within body cavity | |
