Device for delivering drug to biological environment

Surgery – Respiratory method or device – Ozone or ion generation

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

424 19, A61M 3100

Patent

active

041800737

ABSTRACT:
A self-powered device for delivering drug is disclosed. The device comprises (1) a substantially rigid housing, (2) a collapsible container storing a drug and having a passageway for delivering the drug in the housing, and (3) an expandable laminate positioned between the housing and the container. The laminate comprises (a) a lamina formed of an absorbent material laminated to (b) a lamina placed adjacent to the container and formed of a swellable hydrophilic polymer. In operation, when the device is in a biological environment, fluid from the environment is imbibed by the laminate into the housing causing the laminate to expand and exert pressure on the container, thereby collapsing the container and concomitantly pumping drug through the passageway from the device at a correspondingly controlled rate over a prolonged period of time.

REFERENCES:
patent: 2659935 (1953-11-01), Hammon
patent: 2858830 (1958-11-01), Robins
patent: 3732865 (1973-05-01), Higuchi et al.
patent: 3760805 (1973-09-01), Higuchi
patent: 3760984 (1973-09-01), Theeuwes
patent: 3971376 (1976-07-01), Wichterle
patent: 3987790 (1976-10-01), Eckenhoff et al.
patent: 3995631 (1976-12-01), Higuchi et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Device for delivering drug to biological environment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for delivering drug to biological environment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for delivering drug to biological environment will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2067137

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.