Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
STORAGE NEEDLE
Document Type and Number:
Japanese Patent JPH06261944
Kind Code:
A
Abstract:

PURPOSE: To provide a storage needle which prevents the blood in counter-flow from leaking at the storage needle on its side with the connection part and which can perform cleanly the liquid or blood transfusing works, artificial dialyzing works, etc.

CONSTITUTION: A pipe part 2 for flowing-in and -out of a liquid and a pipe part 4 for insertion and drawing-out of an inner needle 3 are divergently provided on the base side 1A, and a resilient member 5 is installed in the pipe part 4. In a storage needle 1 of the described structure, an inner cylinder 3 is put piercing the skin in such a condition as inserted in an outer cylinder 6, and in the case the inner needle 3 is drawn off from an opening 40 provided in the pipe part 4 after insertion of the outer cylinder 6 is in a blood vessel, blood leakage from the opening 40 is prevented through restroation such that the resilient member 5 blocks a through hole due to the inner needle 3. The transfusive liquid, blood, etc., from the outside is fed in the direction of the outer cylinder 6 from the flowin/flowout pipe part 2. The blood from the blood vessel is sent out in the direction of the pipe part 2 from the outer cylinder 6.


Inventors:
OCHI TOSHINOBU
Application Number:
JP5238393A
Publication Date:
September 20, 1994
Filing Date:
March 12, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SAN RAIFU KK
International Classes:
A61M5/158; (IPC1-7): A61M5/158
Domestic Patent References:
JP2116461B
JP2147137B
JPS62167571A1987-07-23
JPS5775660A1982-05-12
JPS6245996A1987-02-27
JPH04200566A1992-07-21
Attorney, Agent or Firm:
Mizutani Yasuo