Title:
TRANSFER NEEDLE
Document Type and Number:
Japanese Patent JP2021115450
Kind Code:
A
Abstract:
To provide a transfer needle that can reduce required torque when a liquid member and a drug member are separated from each other.SOLUTION: A transfer needle 1 comprises a liquid member 100 and a drug member 200. The liquid member 100 comprises a liquid hollow needle 110, a liquid side support part 120, a liquid side connection part 130, and a liquid side screw part 150. The drug member 200 comprises a drug hollow needle 210, a drug side support part 220, a drug side screw part 250, and a drug side connection part 230. One connection part out of the liquid side connection part 130 and the drug side connection part 230 is inserted into the other connection part out of the liquid side connection part 130 and the drug side connection part 230 in a screwed state. An outer peripheral surface of the one connection part comprises a contact region in contact with an inner peripheral surface of the other connection part in the screwed state, and a non-contact region separated from the inner peripheral surface of the other connection part in the screwed state.SELECTED DRAWING: Figure 2
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Inventors:
YANO TSUYOSHI
KUBO TOMOHIKO
KUBO TOMOHIKO
Application Number:
JP2020141299A
Publication Date:
August 10, 2021
Filing Date:
August 25, 2020
Export Citation:
Assignee:
NIPRO CORP
International Classes:
A61J1/20
Attorney, Agent or Firm:
Fukami patent office