Method and apparatus for fluid injection
First Claim
Patent Images
1. A device comprising:
- a needle;
a fluid path within said needle; and
a penetrating member driver structured to engage said needle to drive it into tissue.
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Abstract
A device is provided for fluid delivery. The device comprises a cartridge having a plurality of cavities and a plurality of penetrating members. The plurality of penetrating members are each at least partially contained in cavities of the cartridge wherein the penetrating members are slidably movable to extend outward from openings on said cartridge to penetrate tissue. Each of the penetrating members comprises a needle with a lumen coupled to a canister containing a material to be injected.
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Citations
18 Claims
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1. A device comprising:
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a needle;
a fluid path within said needle; and
a penetrating member driver structured to engage said needle to drive it into tissue. - View Dependent Claims (3, 4, 5, 6, 7, 9)
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2. A device for fluid delivery into an anatomical feature is provided, said device comprising:
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a cartridge having a plurality of cavities;
a plurality of penetrating members each at least partially contained in said cavities of the cartridge wherein the penetrating members are slidably movable to extend outward from openings on said cartridge to penetrate tissue;
wherein each of said penetrating members comprises a needle with a lumen coupled to a canister containing a material to be injected.
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8. A method of body fluid sampling comprising:
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moving a penetrating member at conforming to a selectable velocity profile or motion waveform;
using patent needle with an electronically controlled driver;
pulling back on a plunger to draw fluid through the needle from the patient.
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10. A device for body fluid sampling usable with a cartridge housing a plurality of penetrating members, the device comprising:
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a housing;
a penetrating member driver coupled to said housing and for use with said cartridge;
a processor for controlling said penetrating member driver to move at least one of said penetrating members at velocities which conform with a selectable velocity profile;
where said penetrating member comprises a patent needle having a plunger movable to draw fluid into the needle. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification