Low volume accurate injector
OwnerRuth ALONinventor
Life of this patent
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Abstract
Substance-administration apparatus is provided, including a housing and a needle couplable to the housing, having a skin-insertion portion 0.3-2.5 mm in length and an outer diameter that is less than 0.23 mm. The apparatus also comprises a dosage regulator coupled to the housing, which regulates a dosage of the substance injected in a single injection through the needle. The dosage is selectable in accordance with a setting of the dosage regulator to be one of a plurality of selectable dosages. The plurality of selectable dosages includes at least one dosage that is less than or equal to 10 ul. The apparatus further includes an injection driver, activatable by a user to drive the substance through the needle. Other embodiments are also described.
Claims24
Substance-administration apparatus, comprising:
- a housing;
- a needle, couplable to the housing, having a skin-insertion portion 0.3-2.5 mm in length and an outer diameter that is less than 0.23 mm;
- a dosage regulator coupled to the housing, which regulates a dosage of a substance injected in a single injection through the needle, the dosage being selectable in accordance with a setting of the dosage regulator to be one of a plurality of selectable dosages, the plurality of selectable dosages including at least one dosage that is less than or equal to 10 ul;
- and
- an injection driver, activatable by a user to drive the substance through the needle.
A substance-administration method, comprising:
- regulating a dosage of a substance by selecting one of a plurality of selectable dosages, the plurality of selectable dosages including at least one dosage that is less than or equal to 10 ul;
- inserting a needle having an outer diameter that is less than 0.23 mm into skin of a subject to a depth of 0.3-2.5 mm;
- and
- administering the substance at the selected dosage through the needle.
Dependencies are inferred from the claim text.