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Pulsation blood, pump for external circulation use

An extracorporeal circulation and pulsatile technology, applied in the field of medical devices, can solve the problems of not meeting the physiological needs of the human body, metabolic acidosis, capillary closure, etc., and achieve the effects of good human blood compatibility, easy operation and reliable performance.

Inactive Publication Date: 2006-09-20
姬尚义
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two types of advection blood pumps currently used in clinical practice do not meet the physiological needs of the human body, resulting in capillary closure, poor tissue perfusion, metabolic acidosis, lactic acid accumulation and other non-physiological perfusion adverse and serious consequences.
[0003] This shows that above-mentioned existing extracorporeal circulation blood pump still has many defectives, and Cheng waits to be improved

Method used

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  • Pulsation blood, pump for external circulation use
  • Pulsation blood, pump for external circulation use

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Embodiment Construction

[0026] Below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure, features and effects of the present invention will be described in detail as follows.

[0027] 1. Hard shell 2. Blood flow valve

[0028] 3. Into the blood vessel 4. Out of the blood vessel

[0029] 5. Balloon 6. Air intake tube

[0030] 7. Blood chamber 8. Air chamber

[0031] see figure 1 , figure 2 As shown, the pulsatile blood pump for extracorporeal circulation of the present invention is mainly composed of an inlet blood vessel 3 and an outlet blood vessel 4 connected to a blood storage chamber of a fixed shape, a blood flow valve 2 and a pulse drive device arranged in the blood storage chamber.

[0032] The blood storage chamber is composed of a hard shell 1 , a blood flow valve 2 and a blood chamber 7 .

[0033] The pulse driving device is composed of an air intake tube 6 and a blood-driven balloon 5 with a scalable size, and the blood-dri...

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Abstract

A pulse blood pump for external circulation of blood is composed of a blood storage chamber with hard shell and two single-flap check valves, blood inlet tube, blood outlet tube, and a pulse driver arranged in said blood storage chamber and consisting of blood valve, air inlet tube and ball.

Description

technical field [0001] The present invention relates to a medical device for heart surgery, more precisely, it is an invention in designing a pulsating blood pump for extracorporeal circulation that can generate pulsating blood flow. Background technique [0002] During heart surgery, in order to ensure that the patient's heart is quiet and bloodless, the operation can proceed smoothly. At present, the extracorporeal circulation blood pumps used for blood supply and clinical use are roller pumps or centrifugal pumps. The working principles of these two blood pumps are to make blood flow continuously into the human body through continuous extrusion process or continuous centrifugal force. in vivo. Therefore, the blood flow is advective throughout the perfusion process, and systolic and diastolic pressure cannot be generated. The normal blood circulation in the human body relies on the beating of the heart to generate intermittent ejection of blood, so a pulsating blood flow...

Claims

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Application Information

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IPC IPC(8): A61M1/10
Inventor 姬尚义
Owner 姬尚义