JPH0444949U - - Google Patents
Info
- Publication number
- JPH0444949U JPH0444949U JP8768090U JP8768090U JPH0444949U JP H0444949 U JPH0444949 U JP H0444949U JP 8768090 U JP8768090 U JP 8768090U JP 8768090 U JP8768090 U JP 8768090U JP H0444949 U JPH0444949 U JP H0444949U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- rear end
- connector part
- puncture needle
- drainage tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
Landscapes
- External Artificial Organs (AREA)
Description
図は本考案の一実施例を示すもので、第１図は
穿刺針部位の縦断面図、第２図は針頭部の先端部
分拡大図、第３図は逆行性経肝胆道処置用チユー
ブの全体構造を示した一部切欠縦断面図である。
１……針頭部、２……中間パイプ、３……後端
コネクター部、４……穿刺針、５……ドレナージ
用チユーブ、６……基端部、７……連結部。
The figures show one embodiment of the present invention. Figure 1 is a longitudinal sectional view of the puncture needle site, Figure 2 is an enlarged view of the tip of the needle head, and Figure 3 is a tube for retrograde transhepatic biliary treatment. FIG. 3 is a partially cutaway vertical cross-sectional view showing the overall structure. DESCRIPTION OF SYMBOLS 1... Needle head, 2... Intermediate pipe, 3... Rear end connector part, 4... Puncture needle, 5... Drainage tube, 6... Base end part, 7... Connection part.
Claims (1)
に中間パイプを介して後端コネクター部を一体化
した穿刺針とドレナージ用チユーブとを連結した
チユーブ構造であつて、前記針頭部および後端コ
ネクター部は高剛性の材質で構成され、中間パイ
プは用意に塑性変形しえる金属のロツドもしくは
該金属のパイプに低剛性材料を充填したロツドか
らなり、かつ前記ドレナージ用チユーブの太さが
穿刺針と同径の連結部から緩徐なテーパー状に太
径化し、基端部において逆テーパー状に先細りす
る形状を備えることを特徴とする逆行性経肝胆道
処置用チユーブ。 It has a tube structure in which a drainage tube is connected to a puncture needle whose tip has a sharp conical needle head with an angle of 5 to 45 degrees and a rear end connector part integrated through an intermediate pipe, and the needle head and the rear end are connected to each other. The connector part is made of a highly rigid material, the intermediate pipe is made of a metal rod that can be easily plastically deformed, or a rod made of the metal pipe filled with a low-rigidity material, and the thickness of the drainage tube is equal to that of the puncture needle. 1. A tube for retrograde transhepatic biliary treatment, characterized in that the diameter gradually tapers from a connecting portion having the same diameter as that of , and tapers in a reverse taper shape at a proximal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8768090U JPH0736664Y2 (en) | 1990-08-21 | 1990-08-21 | Tube for retrograde transhepatic biliary tract treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8768090U JPH0736664Y2 (en) | 1990-08-21 | 1990-08-21 | Tube for retrograde transhepatic biliary tract treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0444949U true JPH0444949U (en) | 1992-04-16 |
| JPH0736664Y2 JPH0736664Y2 (en) | 1995-08-23 |
Family
ID=31820247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8768090U Expired - Lifetime JPH0736664Y2 (en) | 1990-08-21 | 1990-08-21 | Tube for retrograde transhepatic biliary tract treatment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736664Y2 (en) |
-
1990
- 1990-08-21 JP JP8768090U patent/JPH0736664Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736664Y2 (en) | 1995-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |