JPH0168050U - - Google Patents
Info
- Publication number
- JPH0168050U JPH0168050U JP1987162960U JP16296087U JPH0168050U JP H0168050 U JPH0168050 U JP H0168050U JP 1987162960 U JP1987162960 U JP 1987162960U JP 16296087 U JP16296087 U JP 16296087U JP H0168050 U JPH0168050 U JP H0168050U
- Authority
- JP
- Japan
- Prior art keywords
- center line
- small diameter
- diameter tube
- reinforcing material
- cannula
- 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 3
- 239000012779 reinforcing material Substances 0.000 claims 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
Description
第１図〜第６図は本考案の実施例を示すもので
あつて、第１図はカニユーレの要部半断面図、第
２図Ａは第１図の一部分の拡大図、第２図Ｂは従
来品の第２図Ａと同様の拡大図、第３図Ａ、第３
図Ｂ、第３図Ｃはコイルの断面形状を示す図、第
４図、第５図は駆動圧による血液流量を比較して
示すグラフ、第６図はカニユーレ性能をまとめて
示す表である。第７図は血液ポンプ装置の使用状
態を示す概略図である。
なお、図面に示す符号において、１１……血液
ポンプ装置、１２，１５，２５……カニユーレ、
１３……コネクタ、１６，２６……コイル、２０
……血液流路、２１……中心線、２５ａ……径小
管部、２７，２８……つば部、ｗ１……幅、ｔ１
……厚み、ｘ１，ｘ２……肉厚、Ｒ１……内径、
Ｒ０……外径、である。
1 to 6 show an embodiment of the present invention, in which FIG. 1 is a half-sectional view of the main part of the cannula, FIG. 2A is an enlarged view of a part of FIG. 1, and FIG. 2B is an enlarged view similar to Fig. 2 A of the conventional product, Fig. 3 A, Fig. 3
Figures B and 3C are diagrams showing the cross-sectional shape of the coil, Figures 4 and 5 are graphs comparing blood flow rates depending on driving pressure, and Figure 6 is a table summarizing cannula performance. FIG. 7 is a schematic diagram showing how the blood pump device is used. In addition, in the symbols shown in the drawings, 11... blood pump device, 12, 15, 25... cannula,
13... Connector, 16, 26... Coil, 20
... Blood flow path, 21 ... Center line, 25a ... Small diameter tube part, 27, 28 ... Brim part, w 1 ... Width, t 1
...thickness, x 1 , x 2 ... wall thickness, R 1 ... inner diameter,
R 0 ...outer diameter.
Claims (1)
少なくともこの径小管部に血液流路を取巻くよう
にコイル状の補強材が埋設されており、カニユー
レ長さ方向における中心線上で切つた前記補強材
の断面が前記中心線に沿う方向に扁平となつてい
るカニユーレ。 The side that is inserted into the living body is the small diameter tube part,
A coiled reinforcing material is embedded in at least this small diameter tube portion so as to surround the blood flow path, and a cross section of the reinforcing material cut on the center line in the longitudinal direction of the cannula is flat in the direction along the center line. Canyule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16296087U JPH0416676Y2 (en) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16296087U JPH0416676Y2 (en) | 1987-10-23 | 1987-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0168050U true JPH0168050U (en) | 1989-05-01 |
| JPH0416676Y2 JPH0416676Y2 (en) | 1992-04-14 |
Family
ID=31447258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16296087U Expired JPH0416676Y2 (en) | 1987-10-23 | 1987-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416676Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010533550A (en) * | 2007-07-19 | 2010-10-28 | サーキュライト・インコーポレーテッド | Cannula for implantation in the atrium, and related system and method |
-
1987
- 1987-10-23 JP JP16296087U patent/JPH0416676Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010533550A (en) * | 2007-07-19 | 2010-10-28 | サーキュライト・インコーポレーテッド | Cannula for implantation in the atrium, and related system and method |
| US8545379B2 (en) | 2007-07-19 | 2013-10-01 | Circulite, Inc. | Cannula for heart chamber implantation and related systems and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416676Y2 (en) | 1992-04-14 |
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