JPS6454504U - - Google Patents
Info
- Publication number
- JPS6454504U JPS6454504U JP15007187U JP15007187U JPS6454504U JP S6454504 U JPS6454504 U JP S6454504U JP 15007187 U JP15007187 U JP 15007187U JP 15007187 U JP15007187 U JP 15007187U JP S6454504 U JPS6454504 U JP S6454504U
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- low
- temperature liquid
- blood flow
- flow measurement
- 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
- 230000017531 blood circulation Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 210000005245 right atrium Anatomy 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
Landscapes
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
第１図〜第４図は本考案の実施例を示すもので
あつて、第１図はカテーテルの要部断面図、第２
図は同カテーテルの要部正面図、第３図は第２図
の―線拡大断面図、第４図は他のカテーテル
の要部断面図である。第５図〜第６図は従来例を
示すものであつて、第５図は血流量測定時のカテ
ーテル挿入状態を示す概略断面図、第６図は血流
量測定装置のフロー図である。
なお、図面に示す符号において、１……大静脈
、２，３２……カテーテル、４……右心房、５…
…右心室、６……肺動脈、７……注入液、８，３
０……サーミスタ、１３……本体、１３ａ，１３
ｂ……隔壁、１４……注入液注入孔（側孔）、１
６……バルーン、１７，１８，１９，２０，３３
……ルーメン、３１，３４……リード線である。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a sectional view of the main part of the catheter, and FIG.
The figure is a front view of the main part of the same catheter, FIG. 3 is an enlarged sectional view taken along the line -- in FIG. 2, and FIG. 4 is a sectional view of the main part of another catheter. 5 and 6 show a conventional example, in which FIG. 5 is a schematic cross-sectional view showing a state of catheter insertion during blood flow measurement, and FIG. 6 is a flow diagram of the blood flow measuring device. In addition, in the symbols shown in the drawings, 1... vena cava, 2, 32... catheter, 4... right atrium, 5...
...Right ventricle, 6...Pulmonary artery, 7...Infusion fluid, 8,3
0... Thermistor, 13... Main body, 13a, 13
b...Partition wall, 14...Injection liquid injection hole (side hole), 1
6... Balloon, 17, 18, 19, 20, 33
...Lumen, 31, 34...Lead wire.
Claims (1)
ルにおいて、カテーテル本体壁部を通して導びか
れる低温液を生体内へ注入するための注入孔の近
傍にて、前記低温液の温度測定のためのセンサが
前記低温液の通路と隔壁で隔てて設置、内蔵され
ていることを特徴とする血流量測定用カテーテル
。 In a catheter used for blood flow measurement based on a thermodilution method, a sensor for measuring the temperature of the low-temperature liquid is installed near an injection hole for injecting the low-temperature liquid into the living body through the wall of the catheter body. A catheter for blood flow measurement characterized by being installed and built-in, separated from a low-temperature liquid passageway by a partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15007187U JPH0520322Y2 (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15007187U JPH0520322Y2 (en) | 1987-09-30 | 1987-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6454504U true JPS6454504U (en) | 1989-04-04 |
| JPH0520322Y2 JPH0520322Y2 (en) | 1993-05-27 |
Family
ID=31422879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15007187U Expired - Lifetime JPH0520322Y2 (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520322Y2 (en) |
-
1987
- 1987-09-30 JP JP15007187U patent/JPH0520322Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520322Y2 (en) | 1993-05-27 |
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