CN202146463U - External piston type blood pump for heart-lung machine - Google Patents

External piston type blood pump for heart-lung machine Download PDF

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Publication number
CN202146463U
CN202146463U CN201120259042U CN201120259042U CN202146463U CN 202146463 U CN202146463 U CN 202146463U CN 201120259042 U CN201120259042 U CN 201120259042U CN 201120259042 U CN201120259042 U CN 201120259042U CN 202146463 U CN202146463 U CN 202146463U
Authority
CN
China
Prior art keywords
backflow
blood
extrusion
heart
base plate
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.)
Expired - Fee Related
Application number
CN201120259042U
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Chinese (zh)
Inventor
李杏
冯秀玲
罗瑞君
蔡江
陈亚婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University WHU
Original Assignee
Wuhan University WHU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan University WHU filed Critical Wuhan University WHU
Priority to CN201120259042U priority Critical patent/CN202146463U/en
Application granted granted Critical
Publication of CN202146463U publication Critical patent/CN202146463U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an external piston type blood pump for a heart-lung machine, which comprises a base plate, wherein a back plate is vertically arranged at one end of the base plate; a drive motor is arranged on the outer side of the back plate; flywheels controlled by the drive motor are arranged on the inner side of the back plate; pressing blocks are arranged at the lower parts of the flywheels; the pressing blocks extrude anti-backflow extrusion bags at the lower parts thereof; the anti-backflow extrusion bags are arranged on the base plate; a connecting rod is arranged between the flywheels and the pressing blocks; the back plate is provided with linear guide rails; the flywheels rotate to drive the pressing blocks to move up and down along the linear guide rails; the anti-backflow extrusion bags have blood flowing pipelines thereon; blood enters via a blood inlet pipe and flows out via a blood outlet pipe; and the blood pump for the heat-lung machine is further provided with a control circuit board. The device is simple in structure and convenient for operation and simulates the work of the heart and lung of human body; the extrusion mechanism extrudes the anti-backflow extrusion bags so that the blood flows towards a specific direction from the anti-backflow extrusion bags; and the extrusion mechanism does not need to extrude the anti-backflow extrusion bags completely as anti-backflow mechanisms are arranged in the anti-backflow extrusion bags, thereby preventing blood cells from being damaged by too much extrusion and increasing the quality of blood.

Description

A kind of external piston type heart-lung machine blood pump
Technical field
This utility model relates to a kind of external piston type blood pump device, relates to a kind of external piston type heart-lung machine blood pump especially.
Background technology
Present known heart-lung machine is made up of oxygenator and blood pump and auxiliary facilities, can carry out the machinery of extracorporeal circulation. and the heart-lung machine is used for the extracorporeal circulation of operation on heart, the assisted respiartion of lung transplantation, the auxiliary treatment of acute respiratory failure etc.Draw venous blood from Venous system, and at external oxygenate, again through the overall process of blood pump with the defeated vein system system that reverses of oxygenated blood; Satisfactory again lung turn of tidal stream; Be mainly used in heart, trunk operation, and the hemodynamics mechanism of heart-lung machine is a blood pump, existing blood pump also ought born the function that prevents backflow of blood under blood pressure when pressing blood; So it is very tight that blood pump must be pressed when extruding; So just cross the havoc hemocyte owing to reach pressure easily, blood quality is impacted, old for this reason mode is demanded urgently improving.
The utility model content
Providing of providing is a kind of simple in structure in order to solve the prior art deficiency, and be easy to operate, guarantees the external piston type heart-lung machine blood pump of blood quality.
The technical scheme that this utility model adopts:
A kind of external piston type heart-lung machine blood pump, it comprises base plate, base plate one end vertically is provided with backboard; The backboard outside is provided with drive motors, and the backboard inboard is provided with the flywheel of drive motors control, and the flywheel bottom is provided with briquetting; The anti-backflow squeeze bag of briquetting extruding bottom, the anti-backflow squeeze bag is placed on the base plate, is provided with connecting rod between flywheel and the briquetting; Backboard is provided with line slideway, and flywheel rotating band dynamic pressure piece moves up and down along line slideway, has the blood flow pipeline on the anti-backflow squeeze bag; Blood gets into from going out blood vessel output from going into blood vessel, and said heart-lung machine blood pump also is provided with control circuit board.
The outside that above-mentioned control circuit board is arranged on backboard is positioned at the drive motors bottom.
The technique effect that this utility model is obtained:
1, this apparatus structure is simple, and is easy to operate, the work of anthropomorphic dummy's systemic heart; Pressing mechanism extruding anti-backflow squeeze bag, blood flows towards specific direction from the anti-backflow squeeze bag, owing to there is anti-backflow mechanism to be arranged in the anti-backflow squeeze bag; Pressing mechanism can not kill the anti-backflow squeeze bag; Repeat action last time behind the return, avoid overvoltage to destroy hemocyte, improve blood quality.
Description of drawings
Fig. 1 is the structural representation of this utility model;
Fig. 2 is the structural representation of Fig. 1 backsight.
Wherein, 1-drive motors, 2-backboard, 3-flywheel, 4-connecting rod, 5-connecting rod ear, 6-briquetting, 7-go out blood vessel, 8-anti-backflow squeeze bag, 9-base plate plate, 10-blood flow direction, 11-and go into blood vessel, 12-control circuit board, 13-line slideway.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of this utility model is done further explanation.
Referring to Fig. 1-2, a kind of external piston type heart-lung machine blood pump, it comprises base plate 9; Base plate one end vertically is provided with backboard 2, and the backboard outside is provided with drive motors 1, and the backboard inboard is provided with the flywheel 3 of drive motors control; The flywheel bottom is provided with briquetting 6, the anti-backflow squeeze bag 8 of briquetting extruding bottom, and the anti-backflow squeeze bag is placed on the base plate; Be provided with connecting rod 5 between flywheel and the briquetting, backboard is provided with line slideway 13, and flywheel rotating band dynamic pressure piece moves up and down along line slideway; Has the blood flow pipeline on the anti-backflow squeeze bag; Blood gets into from going out blood vessel 7 outputs from going into blood vessel 11, and said heart-lung machine blood pump also is provided with control circuit board 12, and the outside that described control circuit board is arranged on backboard is positioned at the drive motors bottom.
The anti-backflow mechanism and the pressing mechanism of this utility model separate fully, the work of anthropomorphic dummy's systemic heart, pressing mechanism extruding anti-backflow squeeze bag; Blood flows towards specific direction from the anti-backflow squeeze bag; Owing to there is anti-backflow mechanism to be arranged in the anti-backflow squeeze bag, pressing mechanism can not kill the anti-backflow squeeze bag, repeats action last time behind the return; Avoid overvoltage to destroy hemocyte, improve blood quality.
The protection domain of this utility model is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not break away from the scope and the spirit of this utility model this utility model.If these changes and distortion belong in the scope of this utility model claim and equivalent technologies thereof, then the intention of this utility model also comprises these changes and is out of shape interior.

Claims (2)

1. external piston type heart-lung machine blood pump, it is characterized in that: it comprises base plate (9), base plate one end vertically is provided with backboard (2); The backboard outside is provided with drive motors (1), and the backboard inboard is provided with the flywheel (3) of drive motors control, and the flywheel bottom is provided with briquetting (6); The anti-backflow squeeze bag (8) of briquetting extruding bottom; The anti-backflow squeeze bag is placed on the base plate, is provided with connecting rod (5) between flywheel and the briquetting, and backboard is provided with line slideway (13); Flywheel rotating band dynamic pressure piece moves up and down along line slideway; Have the blood flow pipeline on the anti-backflow squeeze bag, blood gets into from going out blood vessel (7) output from going into blood vessel (11), and said heart-lung machine blood pump also is provided with control circuit board (12).
2. external piston type heart-lung machine blood pump according to claim 1, it is characterized in that: the outside that described control circuit board is arranged on backboard is positioned at the drive motors bottom.
CN201120259042U 2011-07-21 2011-07-21 External piston type blood pump for heart-lung machine Expired - Fee Related CN202146463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120259042U CN202146463U (en) 2011-07-21 2011-07-21 External piston type blood pump for heart-lung machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120259042U CN202146463U (en) 2011-07-21 2011-07-21 External piston type blood pump for heart-lung machine

Publications (1)

Publication Number Publication Date
CN202146463U true CN202146463U (en) 2012-02-22

Family

ID=45587542

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120259042U Expired - Fee Related CN202146463U (en) 2011-07-21 2011-07-21 External piston type blood pump for heart-lung machine

Country Status (1)

Country Link
CN (1) CN202146463U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105311692A (en) * 2014-06-27 2016-02-10 王辉山 Novel blood circulating device
CN105688297A (en) * 2014-11-25 2016-06-22 中国科学院沈阳自动化研究所 External-valve pulsating type blood pump
CN109157686A (en) * 2018-08-20 2019-01-08 上海市杨浦区市东医院 A kind of high flow capacity pulsation type electromagnetic blood pump and the left heart counterpulsation auxiliary system comprising it

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105311692A (en) * 2014-06-27 2016-02-10 王辉山 Novel blood circulating device
CN105311692B (en) * 2014-06-27 2019-05-28 王辉山 A kind of New Blood circulator
CN105688297A (en) * 2014-11-25 2016-06-22 中国科学院沈阳自动化研究所 External-valve pulsating type blood pump
CN109157686A (en) * 2018-08-20 2019-01-08 上海市杨浦区市东医院 A kind of high flow capacity pulsation type electromagnetic blood pump and the left heart counterpulsation auxiliary system comprising it
CN109157686B (en) * 2018-08-20 2020-10-23 上海市杨浦区市东医院 High-flow pulsating electromagnetic blood pump and left heart counterpulsation auxiliary system comprising same

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120222

Termination date: 20130721