Capsule for medical use

Details Capsule for medical use Capsule for medical use

1977-10-13

1980-12-16

Kamm, William E.

Surgery

Respiratory method or device

Ozone or ion generation

128260, 128769, A61M 3100

Patent

active

042390400

ABSTRACT:
A capsule for discharging drugs into a live body or collecting samples from the body comprises an external cylinder having slidably mounted therein an internal cylinder. The internal cylinder is retained by a meltable thread at one end of the external cylinder against the biasing force of a compression spring and upon melting of the thread, the spring effects sliding of the internal cylinder to the other end of the external cylinder and during this sliding movement, a drug is pushed out of the external cylinder ahead of the moving internal cylinder or a body sample is withdrawn into the external cylinder behind the moving internal cylinder. An electric circuit including a tunable receiver responds to an externally transmitted electric signal to energize a heater for melting the thread to thereby effect sliding movement of the internal cylinder at the desired time.

REFERENCES:
patent: 3057344 (1962-10-01), Abella et al.
patent: 3118439 (1964-01-01), Perrenoud
patent: 3528429 (1970-09-01), Beal et al.
patent: 3844285 (1974-10-01), Laby
patent: 4077405 (1978-03-01), Haerten et al.

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