JPH02116413U

JPH02116413U -

Info

Publication number: JPH02116413U
Application number: JP2672789U
Authority: JP
Priority date: 1989-03-08
Filing date: 1989-03-08
Publication date: 1990-09-18

Description

[Brief explanation of drawings]

第１〜６図は本考案を具体化した一実施例を示
し、第１図は穿刺針においてその一部を破断して
示す正面図、第２図は口部及び弁を取り外した状
態の穿刺針においてその一部を破断して示す正面
図、第３図はガイドワイヤの正面図、第４図は挿
入管においてその一部を破断して示す正面図、第
５図は穿刺針にガイドワイヤを挿入するとともに
挿入管を外嵌させた状態を示す一部破断正面図、
第６図ａ〜ｄは胆汁排出具の使用方法を示す概略
説明図、第７図ａ〜ｆは従来の胆汁排出具の使用
方法を示す概略説明図である。１…穿刺針、２…針本体、３…可撓管、５…口
部、８…弁、、１２…ガイドワイヤ、１３…挿入
管、Ａ…皮膚、Ｂ…肝臓、Ｃ…胆管、Ｄ…体外。 Figures 1 to 6 show an embodiment embodying the present invention. Figure 1 is a partially cutaway front view of the puncture needle, and Figure 2 is a puncture needle with the mouth and valve removed. FIG. 3 is a front view of the guide wire, FIG. 4 is a front view of the insertion tube, partially cut away, and FIG. 5 shows the guide wire attached to the puncture needle. A partially cutaway front view showing a state where the insertion tube is inserted and the insertion tube is fitted externally,
6A to 6D are schematic explanatory views showing how to use the bile evacuation device, and FIGS. 7A to 7F are schematic explanatory views showing how to use the conventional bile evacuation device. 1...Puncture needle, 2...Needle body, 3...Flexible tube, 5...Mouth, 8...Valve, 12...Guide wire, 13...Insertion tube, A...Skin, B...Liver, C...Bile duct, D... Outside the body.

Claims

[Scope of claims for utility model registration] 1. From outside the body D to bile duct C via skin A and liver B.
is punctured, and in that puncture state, a part of himself is inserted outside the body D.
A tubular puncture needle 1 that communicates the inside of the bile duct C exposed to the outside of the body with the outside D; and a tubular puncture needle 1 that is inserted into the puncture needle 1 from the outside of the body D, and a part of itself is exposed inside the bile duct C from the inner end of the puncture needle 1. A flexible guide wire 12 is formed to be longer than the puncture needle 1 so that the puncture needle 1 is longer than the puncture needle 1. It is characterized by consisting of an insertion tube 13 that can be in a superposed state in which it is fitted, or in an attached state in which the puncture needle 1 and guide wire 12 are removed and left in the body, communicating the inside of the bile duct C and the outside of the body D. Bile draining device. 2 Bile duct C from outside the body D via skin A and liver B
A tubular needle main body 2 that is punctured into the body and a part of which is exposed outside the body D in the punctured state to communicate the inside of the bile duct C and the outside D, and a flexible tube 3 that is attached to the exposed part of the needle body 2. A puncture needle characterized by comprising: 3 Bile duct C from outside the body D via skin A and liver B
The needle body 2 has a tubular needle body 2 that is punctured into the bile duct C, and a part thereof is exposed outside the body D in the punctured state to communicate the inside of the bile duct C and the outside D. A puncture needle characterized by having a removably attached mouth part 5 for making a puncture needle. 4. The mouth portion 5 is provided with a valve 8 that can be switched between a permitting state in which bile is allowed to flow out from the needle body 2 and a blocking state in which bile is prevented from flowing out. Puncture needle according to 3.