JPS59102007U

JPS59102007U - blood sampler

Info

Publication number: JPS59102007U
Application number: JP20082682U
Authority: JP
Inventors: 守関口
Original assignee: Terumo Corp
Current assignee: Terumo Corp
Priority date: 1982-12-24
Filing date: 1982-12-24
Publication date: 1984-07-10
Also published as: JPS642723Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の代表的血液採取器の縦断面図、第２図は
本考案の血液採取器の縦断面図、第３ａ図は内筒の他の
構成例の縦断面図、第３ｂ図は第３ａ図の端面図である
。符号の説明、１・・・バレル、２・・・プランジャ組立
体、３・・・環状リング、４・・・膜エレメント、５・
・・シール、６・・・ピストン、７・・・中空部、８・
・・開放末端、１１・・・外筒、１２・・・ノズル、１
３・・・カラー、１４・・・ヘパリン、１５・・・ガス
ケット、１６・・・円筒、１７・・・採血空間、１８・
・・貫通孔、１９・・・フィルタ一部材、２０・・・ス
カート部、２１・・・リング状部、２２・・・排気用中
空部、２３・・・把持部、２４・・・排気孔、２５・・
・突起部、２６・・・キャンプ、２７・・・ノズ　□ル
封止部、２８・・・凸部、２９・・・中空部。Fig. 1 is a longitudinal cross-sectional view of a typical conventional blood sampler, Fig. 2 is a longitudinal cross-sectional view of the blood sampler of the present invention, Fig. 3a is a longitudinal cross-sectional view of another configuration example of the inner cylinder, Fig. 3b is an end view of FIG. 3a; Explanation of symbols, 1... Barrel, 2... Plunger assembly, 3... Annular ring, 4... Membrane element, 5...
... Seal, 6... Piston, 7... Hollow part, 8.
...Open end, 11...Outer cylinder, 12...Nozzle, 1
3... Collar, 14... Heparin, 15... Gasket, 16... Cylinder, 17... Blood collection space, 18...
...Through hole, 19... Filter member, 20... Skirt part, 21... Ring-shaped part, 22... Hollow part for exhaust, 23... Grip part, 24... Exhaust hole , 25...
・Protrusion, 26... Camp, 27... Nozzle sealing part, 28... Convex part, 29... Hollow part.

Claims

[Scope of utility model registration request]

(1) The tip has a nozzle to which a blood collection needle can be attached, and the rear end has an open outer cylinder and is slidably attached to the outer cylinder in close contact with the central through hole in the axial direction. a gasket having a filter member provided in a through hole; a hollow inner cylinder having a distal end engaged with or fixed to a rear end of the gasket and having a rear end open so as to communicate the through hole of the gasket with the outside;
One end has a nozzle sealing part that closely contacts the nozzle side wall so as to close the opening at the tip of the nozzle of the outer cylinder, and the other end has a protrusion that fits into the open rear end of the outer cylinder and seals the rear end. A blood sampling device comprising: a sealing body having a portion;

(2) The blood sampling device according to claim 1, wherein the nozzle sealing portion is in close contact with the nozzle side wall and the nozzle tip opening.