公开(公告)号：US20230277780A1

公开(公告)日：2023-09-07

申请号：US18006660

申请日：2021-08-02

Applicant: Lightnix, Inc.

Inventor： Moe FUKUDA ,  Noriyuki KOBAYASHI

IPC: A61M5/46 ,  A61M5/315 ,  A61M5/24

CPC classification number: A61M5/46 ,  A61M5/31501 ,  A61M5/2422

Abstract: An administration device including a needle; a cartridge which is capable of storing a liquid medicine to be administered into a living body by the needle; a case which has an open or openable first end to be pressed against the skin, and in which the needle and the cartridge are stored in such a manner as to be movable toward the first end side, the needle being capable of moving to the outside of the first end in response to the movement of the needle toward the first end ide; and a pressing force control member which intervenes so as to generate a reactive force between the cartridge and the case and which controls a pressing force exerted on the skin by the case while the needle moves toward the first end side. In the process of piercing by the needle, a reactive force is continuously generated by the pressing force control member and the pressing force exerted on the skin by the case is controlled at a substantially constant level, whereby the piercing depth by the needle is kept substantially constant at the time of completion of the piercing by the needle; and in the process of discharging the liquid medicine stored in the cartridge through the needle for administration, the reactive force by the pressing force control member is generated continuously, whereby the piercing depth by the needle is kept substantially constant.

公开(公告)号：US20220313131A1

公开(公告)日：2022-10-06

申请号：US17642168

申请日：2020-09-10

Applicant: Lightnix, Inc. ,  Tokyo University of Science Foundation

Inventor： Noriyuki KOBAYASHI ,  Makiya NISHIKAWA ,  Kosuke KUSAMORI ,  Asuka SHIMOMURA ,  Moeka NISHIMURA

IPC: A61B5/15 ,  A61B5/151

Abstract: A device which, in a shallow region including the epidermal layer or the dermal layer, can administer a target even in extremely small amounts. This includes a puncture needle which, in a flat puncture unit for puncturing the shallow region, has a groove and a through-hole which constitute a recess that extends through part of or the entire thickness of the puncture unit; and a casing which houses the puncture needle so as to allow the puncture needle to advance. By part or all of a flow agent containing the drug being arranged in the groove and the through-hole, the drug is positioned with respect to the puncture unit. The device is designed such that a flow agent in the amount of 10-1000 nL is dosed in the shallow region per puncture.

公开(公告)号：US10687747B2

公开(公告)日：2020-06-23

申请号：US15116975

申请日：2015-02-04

Applicant: Lightnix, Inc.

Inventor： Mitsuo Fukuda

IPC: A61B5/15 ,  A61B5/151 ,  A61B10/02

Abstract: A medical needle comprising a flat puncturing part having front and back surfaces that are parallel to each other, wherein the puncturing part comprises a pair of side-surface inclined parts and provided at tips of respective side surfaces and a front-surface inclined part provided at a tip of the front surface, the pair of side-surface inclined parts and the front-surface inclined part each extend in an inclined manner relative to a puncturing direction so as to be tapered, and the tip of the front-surface inclined part adjoins a blade edge part formed by adjoining the tips of the pair of side-surface inclined parts and a depression is formed in the front surface of the puncturing part so as to partially indent the pair of side-surface inclined parts and the front-surface inclined part.

公开(公告)号：US20170188924A1

公开(公告)日：2017-07-06

申请号：US15116975

申请日：2015-02-04

Applicant: Lightnix, Inc.

Inventor： Mitsuo FUKUDA

IPC: A61B5/15 ,  A61B5/151 ,  A61B10/02

Abstract: A medical needle comprising a flat puncturing part having front and back surfaces that are parallel to each other, wherein the puncturing part comprises a pair of side-surface inclined parts and provided at tips of respective side surfaces and a front-surface inclined part provided at a tip of the front surface, the pair of side-surface inclined parts and the front-surface inclined part each extend in an inclined manner relative to a puncturing direction so as to be tapered, and the tip of the front-surface inclined part adjoins a blade edge part formed by adjoining the tips of the pair of side-surface inclined parts and a depression is formed in the front surface of the puncturing part so as to partially indent the pair of side-surface inclined parts and the front-surface inclined part.