Title:
中空型針状体の製造方法および中空型針状体
Document Type and Number:
Japanese Patent JP6477678
Kind Code:
B2
Abstract:
A method for manufacturing a hollow needle-shaped body having a through hole of a good shape, and a hollow needle-shaped body are provided. The method for manufacturing a hollow needle-shaped body (1) according to the present invention includes a first step of manufacturing a needle-shaped body (5) having a substrate (2) and a projection (3) formed on one surface of the substrate (2), which is a projection forming surface, and a second step of forming a through hole (4) that penetrates through the substrate (2) and the projection (3) by radiating a laser beam onto the other surface of the substrate (2), which is a non-projection forming surface. The substrate (2) and the projection (3) are made of crystallized polyglycolic acid.
Inventors:
Tomoya Sumita
Application Number:
JP2016503978A
Publication Date:
March 06, 2019
Filing Date:
February 18, 2015
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
A61M37/00
Domestic Patent References:
| JP2010058384A | ||||
| JP2014023697A | ||||
| JP2011072695A | ||||
| JP2012143423A | ||||
| JP2009072271A | ||||
| JP2010063666A | ||||
| JP11080415A |
Foreign References:
| WO2014017561A1 | ||||
| WO2012126784A1 | ||||
| US20110245776 |
Attorney, Agent or Firm:
Ichi Hirose
Toru Miyasaka
Toru Miyasaka