Title:
INDWELLING NEEDLE ASSEMBLY
Document Type and Number:
Japanese Patent JP2022138420
Kind Code:
A
Abstract:
To provide an indwelling needle assembly of a new structure, the assembly that enables air from being hard to remain more distally than a valve body in the inside of an outer needle hub.SOLUTION: An indwelling needle assembly 10 is provided in which a hollow inner needle 14 having an inner needle hub 20 in the base end side is removably inserted into an outer needle 18 having an outer needle hub 42 in the base end side, and a valve body 70 for switching between communication and interception of the outer needle hub 42 is arranged in the inside of the outer needle hub 42. In the circumferential wall of the inner needle 14, an outlet opening 28 and a reflux opening 30 are penetrated and formed, and the reflux opening 30 provided more proximally than the outlet opening 28 is opened in the inside of the outer needle hub 42 at the position more distal than the valve body 70.SELECTED DRAWING: Figure 1
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Inventors:
ISHIKURA KOZO
KUDO TATSUYA
KUDO TATSUYA
Application Number:
JP2021038298A
Publication Date:
September 26, 2022
Filing Date:
March 10, 2021
Export Citation:
Assignee:
NIPRO CORP
International Classes:
A61M5/158
Attorney, Agent or Firm:
Kasai Nakane International Patent Office
Kasai Yoshitaka
Mie Nakane
Kasai Yoshitaka
Mie Nakane
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