Hypodermic fluid dispenser
First Claim
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1. A hypodermic fluid dispenser for receiving a sequence of collapsible bodies, each forming a chamber for holding a fluid, said dispenser comprising:
- pressure application means for sequentially applying pressure to a sequential supply of said bodies to collapse said bodies in turn, to force fluid held in said chamber therefrom, said pressure application means including;
repetitively charged storage means for storing electrical energy of relatively high value, said storage means being connectable to a primary source of electrical energy, the energy of said storage means being higher than the instantaneous energy available from said primary source;
resilient means sequentially connectable to received collapsible bodies for expanding from a compressed state to collapse the bodies;
motor means for advancing a ram means to compress said resilient means; and
a source of electrical pulses having relatively high energy and short duration, said source being energized by said repetitively charged storage means and transmitting relatively high energy, short duration pulses to energize said motor.
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Abstract
A hypodermic fluid dispenser and collapsible cartridges having fluid-holding chambers therefor includes an insertor device for moving the cartridges into the dispenser, a resilient device for collapsing the cartridges, a motor energizing the resilient device and a source of electrical energy for the motor.
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Citations
36 Claims
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1. A hypodermic fluid dispenser for receiving a sequence of collapsible bodies, each forming a chamber for holding a fluid, said dispenser comprising:
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pressure application means for sequentially applying pressure to a sequential supply of said bodies to collapse said bodies in turn, to force fluid held in said chamber therefrom, said pressure application means including; repetitively charged storage means for storing electrical energy of relatively high value, said storage means being connectable to a primary source of electrical energy, the energy of said storage means being higher than the instantaneous energy available from said primary source; resilient means sequentially connectable to received collapsible bodies for expanding from a compressed state to collapse the bodies; motor means for advancing a ram means to compress said resilient means; and a source of electrical pulses having relatively high energy and short duration, said source being energized by said repetitively charged storage means and transmitting relatively high energy, short duration pulses to energize said motor.
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2. A hypodermic fluid dispenser for receiving one or more collapsible bodies, each body including a chamber for holding a fluid, and for injecting said fluid, said dispenser comprising:
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insertion means for inserting sequentially one or more of said bodies into said dispenser; pressure application means for sequentially applying pressure to each of said one or more bodies to collapse said bodies in turn, to force hypodermic fluid from the respective chambers, said pressure application means including; resilient means sequentially connectable from an energized state to said received one or more collapsible bodies for collapsing the one or more bodies in response to the application of force of sufficient magnitude and duration to said resilient means; motor means for energizing ram means to compress said resilient means; and a source of electrical energy of sufficient magnitude and duration to energize said motor to energize ram means to compress said resilient means to collapse the bodies to inject said fluid. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A hypodermic fluid dispensing system having a hypodermic fluid dispenser and at least one collapsible body, said dispenser receiving a sequence of said collapsible bodies, each body having a chamber for holding a fluid and each body containing a hypodermic needle means, said dispensing system comprising:
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insertion means for inserting sequentially said bodies into said dispenser; sheath means includes with each body for covering said needle means before and after collapse of each of said bodies in said dispenser; and pressure application means for sequentially applying pressure to the sequential supply of said bodies to collapse said bodies in turn. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A hypodermic fluid dispenser for receiving one or more collapsible cartridges, each cartridge including a chamber for holding a fluid, and for injecting said fluid, said dispenser comprising:
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insertion means for inserting sequentially one or more of said cartridges into said dispenser; and pressure application means for sequentially applying pressure to each of said one or more cartridges to collapse said cartridges in turn, to force hypodermic fluid from the respective chambers, said pressure application means including; resilient means sequentially connectable from an energized state to said received one or more collapsible cartridges for collapsing the one or more cartridges in response to the application of force of sufficient magnitude and duration to said resilient means; motor means for energizing ram means to compress said resilient means; and power switch means for selectively connecting a source of electrical energy of sufficient magnitude and duration to energize said motor to said resilient means to collapse the cartridges to inject said fluid. - View Dependent Claims (34, 35)
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36. A hypodermic fluid dispensing system having a hypodermic fluid dispenser and at least one collapsible body, said dispenser receiving one or more of said collapsible bodies, each body including a chamber for holding a fluid, and for injecting said fluid, said dispensing system comprising:
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insertion means for inserting sequentially one or more of said bodies into said dispenser; pressure application means for sequentially applying pressure to each of said one or more bodies to collapse said bodies in turn, to force hypodermic fluid from the respective chambers, said pressure application means including; resilient means sequentially connectable from an energized sate to said received one or more collapsible bodies for collapsing the one or more bodies in response to the application of force of sufficient magnitude and duration to said resilient means; motor means for energizing ram means to compress said resilient means; and a source of electrical energy of sufficient magnitude and duration to energize said motor to energize said ram means to compress said resilient means to collapse the bodies to inject said fluid.
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Specification