JPH0458258U

JPH0458258U -

Info

Publication number: JPH0458258U
Application number: JP10179090U
Authority: JP
Priority date: 1990-09-28
Filing date: 1990-09-28
Publication date: 1992-05-19

Description

[Brief explanation of the drawing]

第１図〜第１０図は本考案の実施例を示すもの
であつて、第１図はペーシング兼心拍出量測定カ
テーテルの後端側部分の斜視図、第２図は第１図
のカテーテルのストツパ部分の拡大断面図、第３
図は同カテーテルの先端部の正面図、第４図は第
３図の−線拡大断面図、第５図は第１図のカ
テーテルの先端部を示し、同図ａはペーシング部
分を示す拡大断面図、同図ｂは心拍出量測定部分
を示す拡大断面図、第６図は同カテーテルの使用
状態を示す概略図、第７図は他の例によるペーシ
ング兼心拍出量測定カテーテルの後端側部分の斜
視図、第８図は第７図のカテーテルの使用状態を
示す概略図、第９図は更に他の例によるペーシン
グ兼心拍出量測定カテーテルの後端側部分の斜視
図、第１０図は更に他の例によるペーシング及び
他の機能を備えたカテーテルの斜視図、である。
第１１図〜第１３図は従来例を示すものであつて
、第１１図はペーシングカテーテルの使用状態を
示す概略図、第１２図は心拍出量測定カテーテル
の使用状態を示す斜視図、第１３図は心拍出量測
定装置のフロー図、である。なお、図面に示された符号において、３，２３
……電極、４……輸液又は冷水、５Ａ，４３……
ペーサ、５Ｂ……心拍出量測定装置、６Ａ，６Ｂ
……大静脈、７……心臓、８……右心房、９……
右心室、９ａ……心尖部、１２……肺動脈主幹部
、１５，１６，１９，２０……導線、１７，１８
……サーミスタ、２１Ａ，２１Ｂ，２１Ｃ……ペ
ーシング兼心拍出量測定カテーテル、２２，５２
，６２……カテーテル本体、２２ｂ……カテーテ
ル基部、２２ｃ……ストツパ、２７，３０，４４
，４５，４６，４７，４８……ルーメン（チユー
ブ）、３１……バルーン、３６Ａ，３６Ｂ，３６
Ｃ……スリーブ、３７……コネクタ、３８……シ
ース、４０Ａ，４０Ｂ……分岐部、５１……ペー
シングカテーテル、である。 1 to 10 show an embodiment of the present invention, in which FIG. 1 is a perspective view of the rear end portion of the pacing and cardiac output measuring catheter, and FIG. 2 is a perspective view of the catheter shown in FIG. 1. Enlarged sectional view of the stopper part, 3rd
The figure shows a front view of the distal end of the catheter, FIG. 4 is an enlarged sectional view taken along the line - - in FIG. 3, FIG. 5 shows the distal end of the catheter in FIG. Figure b is an enlarged cross-sectional view showing the cardiac output measurement part, Figure 6 is a schematic diagram showing the state of use of the same catheter, and Figure 7 is a diagram showing the pacing and cardiac output measurement catheter according to another example. FIG. 8 is a schematic view showing the state of use of the catheter of FIG. 7; FIG. 9 is a perspective view of the rear end portion of a pacing and cardiac output measuring catheter according to still another example; FIG. 10 is a perspective view of a catheter with pacing and other functions according to yet another example.
11 to 13 show conventional examples, in which FIG. 11 is a schematic diagram showing how the pacing catheter is used, FIG. 12 is a perspective view showing how the cardiac output measuring catheter is used, and FIG. FIG. 13 is a flow diagram of the cardiac output measuring device. In addition, in the symbols shown in the drawings, 3, 23
...electrode, 4...infusion or cold water, 5A, 43...
Pacer, 5B... Cardiac output measuring device, 6A, 6B
...Caval vein, 7... Heart, 8... Right atrium, 9...
Right ventricle, 9a... Apex of heart, 12... Main trunk of pulmonary artery, 15, 16, 19, 20... Conductor, 17, 18
...Thermistor, 21A, 21B, 21C... Pacing and cardiac output measurement catheter, 22, 52
, 62... Catheter body, 22b... Catheter base, 22c... Stopper, 27, 30, 44
, 45, 46, 47, 48...Lumen (tube), 31... Balloon, 36A, 36B, 36
C... Sleeve, 37... Connector, 38... Sheath, 40A, 40B... Branch, 51... Pacing catheter.

Claims

[Scope of Utility Model Registration Claims] A catheter body, a plurality of elements built into the catheter body and having mutually different functions, and an extension of each of the elements branching out from the rear end of the catheter body. A catheter comprising: a cylindrical body having one end fixed to the rear end of the catheter body, and covering the rear end of the catheter body to keep this part in a sterile state.