Title:
INJECTOR
Document Type and Number:
Japanese Patent JP2019217105
Kind Code:
A
Abstract:
To provide an injector in which subsequent dropping of a fluid is inhibited and a seal body and a plunger can be brought into separable contact with each other.SOLUTION: An injector 10 comprises: a cylindrical barrel 12; a movable body 14 housed in the barrel; and a plunger 16 coming into separable contact with the movable body 14. The movable body 14 includes: a main body 14a having an outer diameter smaller than an inner diameter of the barrel 12; a disk-shaped seal body 14b disposed on the main body 14a and having an outer circumferential end in close contact with an inner circumferential surface 12a of the barrel 12; and at least one projection 14c made from the main body 14a toward the inner circumferential surface 12a of the barrel 12. A distance from a central axis of the movable body 14 to a tip of the at least one projection 14c is smaller than one half of an outer diameter of the seal body 14b.SELECTED DRAWING: Figure 8C
Inventors:
KASABA HIDETO
KOBAYASHI HIROYUKI
SHIOI HIROYUKI
YAANA HIROSHI
NAKATSUKA TOSHIYUKI
OGAWA YUKIHIRO
TOKURA TOSHIKO
KOBAYASHI HIROYUKI
SHIOI HIROYUKI
YAANA HIROSHI
NAKATSUKA TOSHIYUKI
OGAWA YUKIHIRO
TOKURA TOSHIKO
Application Number:
JP2018118257A
Publication Date:
December 26, 2019
Filing Date:
June 21, 2018
Export Citation:
Assignee:
SHOFU INC
TAISEI KAKO CO
TAISEI KAKO CO
International Classes:
A61M5/31; A61C5/62; A61M5/315
Domestic Patent References:
| JP2015160636A | 2015-09-07 |
Attorney, Agent or Firm:
Michiko Matsutani
Hiroshi Okabe
Kenichi Nakatani
Hiroshi Okabe
Kenichi Nakatani