JPS626837U - - Google Patents
Info
- Publication number
- JPS626837U JPS626837U JP9893985U JP9893985U JPS626837U JP S626837 U JPS626837 U JP S626837U JP 9893985 U JP9893985 U JP 9893985U JP 9893985 U JP9893985 U JP 9893985U JP S626837 U JPS626837 U JP S626837U
- Authority
- JP
- Japan
- Prior art keywords
- blood
- rotor
- housing
- support
- tangential direction
- 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
Landscapes
- External Artificial Organs (AREA)
Description
第１図は本考案の血液ポンプの部分断面正面図
である。第２図は本考案の血液ポンプに用いる回
転子の構造を示す平面図である。第３図はオーブ
ン型回転子における血流の流れの状態を示す側面
図である。第４図は本考案の血液ポンプに用いる
回転子における血液の流れの状態を示す側面図で
ある。第５図は、第４図および第３図に示す回転
子を装着した血液ポンプＡおよびＢについて、ポ
ンプ吐出量（累積）と遊離ヘモグロビン量の関係
を示すグラフである。第６図は、湾曲羽根の出口
角βが各々２０°、５０°および９０°の回転子
を装着した血液ポンプについて、ポンプ吐出量（
累積）と遊離ヘモグロビン量の関係を示すグラフ
である。第７図は、湾曲羽根の出口角βとポンプ
の吐出流量との関係を示すグラフである。
符号の説明、１……ハウジング、２……空間、
３……血液流入口、４……血液流出口、５……支
持体、５１……支持体外周端縁、６……湾曲羽根
、６１……血液流入側、６２……血液流出側、６
３……湾曲面、７……回転軸、８……ベアリング
、９……シールリング、１０……モータ、１１…
…カプラー、１２……端子、１３……血液流、１
４……渦流。
FIG. 1 is a partially sectional front view of the blood pump of the present invention. FIG. 2 is a plan view showing the structure of a rotor used in the blood pump of the present invention. FIG. 3 is a side view showing the state of blood flow in the oven-type rotor. FIG. 4 is a side view showing the state of blood flow in the rotor used in the blood pump of the present invention. FIG. 5 is a graph showing the relationship between the pump discharge amount (cumulative) and the amount of free hemoglobin for blood pumps A and B equipped with the rotors shown in FIGS. 4 and 3. FIG. 6 shows the pump discharge amount (
2 is a graph showing the relationship between the amount of free hemoglobin (accumulation) and the amount of free hemoglobin. FIG. 7 is a graph showing the relationship between the outlet angle β of the curved vane and the discharge flow rate of the pump. Explanation of symbols, 1...Housing, 2...Space,
3...Blood inflow port, 4...Blood outflow port, 5...Support, 51...Support outer peripheral edge, 6...Curved blade, 61...Blood inflow side, 62...Blood outflow side, 6
3... Curved surface, 7... Rotating shaft, 8... Bearing, 9... Seal ring, 10... Motor, 11...
...Coupler, 12...Terminal, 13...Blood flow, 1
4... vortex.
Claims (1)
点より所定の距離離れた位置から前記支持体の外
周端縁付近まで入口角１０〜３０°かつ出口角４
０〜６０°にて放射状に立設された複数の湾曲羽
根とを有する回転子と、該回転子を回転可能に収
納する空間を有するハウジングと、 前記ハウジングの前記回転子軸方向に設けられ
、前記略円錐状支持体の頂点付近に向けて血液を
導入する血液流入口と、 前記ハウジングの前記回転子回転方向の接線方
向側にその接線方向または接線方向に近接して設
けられ、前記空間内の血液を排出する血液流出口
と、 前記回転子を回転させる駆動手段とを有するこ
とを特徴とする血液ポンプ。[Claims for Utility Model Registration] A substantially conical support, and an entrance angle of 10 to 30° and an exit angle from a position a predetermined distance away from the apex on the curved surface of the support to the vicinity of the outer peripheral edge of the support. 4
a rotor having a plurality of curved blades radially arranged at an angle of 0 to 60 degrees; a housing having a space for rotatably housing the rotor; provided in the rotor axial direction of the housing; a blood inlet for introducing blood toward the vicinity of the apex of the substantially conical support; a blood inlet provided in the tangential direction of the housing in the tangential direction of the rotor rotation direction or close to the tangential direction; A blood pump comprising: a blood outlet for discharging blood; and a drive means for rotating the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985098939U JPS646827Y2 (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985098939U JPS646827Y2 (en) | 1985-06-28 | 1985-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS626837U true JPS626837U (en) | 1987-01-16 |
| JPS646827Y2 JPS646827Y2 (en) | 1989-02-22 |
Family
ID=30967359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985098939U Expired JPS646827Y2 (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646827Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019064571A1 (en) * | 2017-09-29 | 2019-04-04 | 株式会社サンメディカル技術研究所 | Ventricular assist device pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5581330U (en) * | 1978-11-30 | 1980-06-04 |
-
1985
- 1985-06-28 JP JP1985098939U patent/JPS646827Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5581330U (en) * | 1978-11-30 | 1980-06-04 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019064571A1 (en) * | 2017-09-29 | 2019-04-04 | 株式会社サンメディカル技術研究所 | Ventricular assist device pump |
| JPWO2019064571A1 (en) * | 2017-09-29 | 2020-09-03 | 株式会社サンメディカル技術研究所 | Ventricular assist device pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646827Y2 (en) | 1989-02-22 |
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