Powered automatic injection device
First Claim
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1. An economic, automatically controlled medicament delivery system for providing a rapid and consistent one-handed administration of the medicament, comprising:
- a) hand-held gun-shaped housing;
b) a motor held internally by the housing, said motor is powered by connection to a power source, such as AC current or DC battery;
c) a source of medicament;
d) means for delivering a precise amount of medicament to an individual animal within a multiplicity of similar animals;
e) a trigger positioned, on said housing, whereby manually depressing said trigger on said gun-shaped device initiates said motor for powering delivery of the medicament;
f) agencies of delivering the medicament to the subject animal; and
g) one of a group of safety switches, provided externally to said housing, one for stopping the delivery of the medicament to prevent injury to the operator, and a second safety switch as a pressure-sensitive safety switch to close the electric circuit and activate said means for delivery of the medicament.
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Abstract
An automatically controlled medicament delivery system having a hand-held gun-shaped device with a handgrip. The device has an internal motor that is powered by connection to a power source, such as AC current or DC battery, a pair of limit switches that control the delivery of the medicament by limiting movement of a helical gear that moves a fitting in response to being powered by the internal motor, the helical gear transferring rotational motion from the electric motor into linear motion through a coupling attached to the helical gear.
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Citations
15 Claims
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1. An economic, automatically controlled medicament delivery system for providing a rapid and consistent one-handed administration of the medicament, comprising:
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a) hand-held gun-shaped housing; b) a motor held internally by the housing, said motor is powered by connection to a power source, such as AC current or DC battery; c) a source of medicament; d) means for delivering a precise amount of medicament to an individual animal within a multiplicity of similar animals; e) a trigger positioned, on said housing, whereby manually depressing said trigger on said gun-shaped device initiates said motor for powering delivery of the medicament; f) agencies of delivering the medicament to the subject animal; and g) one of a group of safety switches, provided externally to said housing, one for stopping the delivery of the medicament to prevent injury to the operator, and a second safety switch as a pressure-sensitive safety switch to close the electric circuit and activate said means for delivery of the medicament. - View Dependent Claims (2, 3, 4)
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5. An economic, automatically controlled medicament delivery system, comprising;
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a) hand-held gun-shaped housing; b) means for providing a rapid and consistent one-handed administration of the medicament; c) means for delivering a precise amount of medicament to an individual animal within a multiplicity of similar animals; d) a motor held internally by the housing, said motor is powered by connection to a power source, such as AC current or DC battery; e) a source of medicament; f) means for controlling the administration of a medicament; g) a trigger positioned on said housing, whereby manually depressing said trigger on said gun-shaped device initiates said motor; h) a helical gear, held internally by the housing; i) a fitting, mounted on said helical gear, within said housing, said fitting driven in response to powered movement of said helical gear; j) a pair of limit switches, mounted internally of said housing, that limit the movement of and automatically reverses the motion of said fitting, resulting in delivery of a pre-determined amount of the medicament k) agencies of delivering the medicament to the subject animal; and l) one of a group of safety switches, provided externally to said housing, one for stopping the delivery of the medicament to prevent injury to the operator, and a needle safety switch as a pressure-sensitive safety switch to close the electric circuit and activate said means for delivery of the medicament, said safety switches for preventing injury to the operator. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification