Surgery – Controlled release therapeutic device or system – Implanted dynamic device or system
Patent
1982-03-15
1984-03-27
Coven, Edward M.
Surgery
Controlled release therapeutic device or system
Implanted dynamic device or system
128769, 128655, 604890, A61M 700
Patent
active
044391978
ABSTRACT:
A medical capsule device includes a capsule body provided with a chamber inside and a communicating path for communicating the chamber with the outside, a movable member arranged in the chamber and movable between a liquid-pushing position at which the volume of the chamber is made smallest and a liquid-receiving position at which the volume of the chamber is made largest, a coiled operating member made of a shape memory alloy for selectively moving the movable member to the liquid-receiving or -pushing position according to temperature changes of the operating member itself, and a switching circuit and power supply source arranged in the capsule body and adjusting the temperature of the operating member to selectively move the movable member to the liquid-pushing or -receiving position.
REFERENCES:
patent: 3485235 (1969-12-01), Felson
patent: 3606592 (1971-09-01), Mudurski et al.
patent: 4360019 (1982-11-01), Portner et al.
Honda Mikio
Kambara Koji
Kohri Kitijiro
Matsui Koichi
Misawa Kazuo
Coven Edward M.
Olympus Optical Co,. Ltd.
LandOfFree
Medical capsule device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Medical capsule device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Medical capsule device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1753435