Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-08-09
1981-01-06
Yasko, John D.
Surgery
Respiratory method or device
Ozone or ion generation
273418, A61M 500
Patent
active
042430364
ABSTRACT:
The automatically acting injecting projectile, which may be fired from a rifle or handgun for anesthesia or drug treatment of animals, consists of a casing (9) on one end of which there is a plastic extension (10) and on the other a hollow needle (5). Gas propellant may be filled into pressure chamber (15) of the casing through a check valve (1) and channel (12). Upon impact of the injecting projectile in the body of the animal deformable projectile brake (7) is pushed back and jams on a stopping cone (6). At the same time outlet (5a) of hollow needle (5) is cleared by the moving sliding sleeve (8). Thus, piston (2) may be driven by the gas propellant, thereby injecting the drug contained in drug chamber (14) and the hollow needle into the surrounding tissue of the animal through outlet (5a).
Charging with the drug before firing is carried out by puncturing a silicon caoutchouc seal (3) with a hypodermic needle through a puncture opening (4) in casing (9), and then injecting the drug into drug chamber (14). After the hypodermic needle is withdrawn the silicon caoutchouc seal (3) will produce a tight seal again.
REFERENCES:
patent: 3022785 (1962-02-01), Crockford et al.
patent: 4103893 (1978-08-01), Walker
patent: 4106770 (1978-08-01), Gray
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