Skin perforating device for transdermal medication
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorKwang K. Jang
Life of this patent
Estimating the term…
Abstract
A skin perforating device comprises a plurality of alternately disposed needle disks and spacers which are combined together for rotational movement as a unit. Attached to the opposite ends of the device are a pair of end plates whose diameter is greater than that of the spacers. The end plates enable the skin perforating device to create skin cuts of uniform depth throughout the length thereof, thus avoiding pain and flare which would occur in the absence of the end plates. Each of the needle disks is provided with a multiplicity of skin perforation needles on its circumference. The skin perforation needles are of triangular configuration and have lateral sides of acute wave form such that the bodily skin can be cut readily by the skin perforation needles thereof.
Claims10
A skin perforating device for forming a plurality of drug delivery cuts in bodily skin to facilitate delivery of transdermal medication, comprising:
- a plurality of needle disks each having a plurality of circumferentially spaced skin perforation needles;
- a central shaft for holding the needle disks in assembled relation therealong in a face-to-face relationship with one another;
- a plurality of spacers assembled on the central shaft in alternately disposed relationship between substantially each of the needle disks;
- a pair of end plates assembled at opposite ends of the central shaft, respectively, an outer diameter of each end plate being greater than a first diameter of the needle disks measured at a point from which a base of each needle extends radially from the disk and less than a second diameter as measured from the needle tips;
- and
- fixing means for fixing and joining the needle disks, spacers and end plates together on the central shaft.
A skin perforating device for forming a plurality of drug delivery cuts in bodily skin to facilitate delivery of transdermal medication, comprising:
- a plurality of needle disks each having a plurality of circumferentially spaced skin perforation needles arranged in a single plane, said needles having opposed flat faces which are respectively coplanar with opposing flat faces of the associated disk;
- a plurality of spacers in alternately disposed relationship between substantially each of the needle disks;
- and
- means for fixing the needle disks and spacers together in assembled relation.
Dependencies are inferred from the claim text.