CN201091703Y

CN201091703Y - Switching pipeline between extracorporeal membrane oxygenation and cardiopulmonary bypass

Info

Publication number: CN201091703Y
Application number: CNU2007200966366U
Authority: CN
Inventors: 段大为; 李彤; 周秦; 荆晓云; 张文芳; 赵成秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-06
Filing date: 2007-07-06
Publication date: 2008-07-30
Anticipated expiration: 2017-07-06

Abstract

The utility model discloses a switching pipeline between extracorporeal membrane oxygenation and extracorporeal circulation, including a first venous return tube, a second venous return tube, a blood storage room, a centrifugal pump head, a membrane lung, a micro-embolic filter and an arterial blood transfusion tube, wherein, the first venous return tube, the blood storage room, the centrifugal pump head, the membrane lung, the micro-embolic filter and the aorta blood transfusion tube are sequentially connected by pipelines; a first three-way connector is arranged between the first venous return tube and the blood storage room, and a second three-way connector is arranged between the blood storage room and the centrifugal pump head; a bypass connecting tube is arranged between the lung membrane and the aorta blood transfusion tube; a third three-way connector is further connected on the first three-way connector; the second venous return tube is sequentially connected with the third three-way connector, the second three-way connector and the centrifugal pump head by the pipelines, thus forming a side path of a connecting tube from the venous to the centrifugal pump head. The switching pipeline can not only independently carry out the ECMO and the conventional CPB, but can also directly carry out the mutual switch of the ECMO and the conventional CPB; furthermore, the switching pipeline can significantly reduce the medical expenses of patients.

Description

Switching pipeline between ECMO and the extracorporeal circulation

Technical field

This utility model relates to and a kind ofly by pipeline and connector blood vessel is coupled together the extracorporeal circulating circuit that forms with ECMO device and heart-lung machine respectively, especially relates to a kind of pipeline that switches between extracorporeal membrane oxygenation and conventional extracorporeal circulation that has.

Background technology

At present, in department of cardiac surgery work, the critical patient of accepting for medical treatment is on the increase, there are many needs of patients to implement operation on heart according to the state of an illness, in cardiac operation, adopt extracorporeal circulation system to replace cardio-pulmonary function, generally, critical patient need change conventional extracorporeal circulation (CPB) into ECMO (ECMO) and carry out the auxiliary support of cardio-pulmonary function after operation.Certainly, also there are many critical patients or under ECMO is auxiliary, to open breast and to carry out the external operation on heart down that follows of routine again at the auxiliary wait operation on heart down of ECMO.Above-mentioned two kinds of situations all need be carried out the mutual conversion between ECMO and the CPB in operating process.And present ECMO cover bag can't be changed mutually with conventional extracorporeal circulation pipeline, needs ECMO and CPB two cover external members usually, and this brings many inconvenience to the management of CPB and ECMO and the rescue and the treatment of critical patient.Therefore, be badly in need of a kind of connecting line that can between ECMO and CPB, change mutually of exploitation at present.

The utility model content

At the deficiency that occurs in the above-mentioned prior art, this utility model provides the switching pipeline between a kind of easy and simple to handle, ECMO and extracorporeal circulation cheaply, adopt this switching pipeline, not only can independently carry out ECMO and conventional CPB, but also can directly carry out ECMO and conventional CPB changes mutually, for the quality time is won in the rescue of critical patient, and can significantly reduce patient's expense.

In order to solve the problems of the technologies described above, the technical scheme that switching pipeline between this utility model ECMO and the extracorporeal circulation is achieved is: comprise first, second venous return pipe, blood storage chamber, centrifugal pump head, membrane lung, Micro-Bolt Filter and arterial transfusion pipe, the described first venous return pipe, blood storage chamber, centrifugal pump head, membrane lung, little filter of fastening are connected by pipeline successively with the aorta blood transfusion tube; Be provided with first three way cock between described first venous return pipe and the described blood storage chamber, be provided with second three way cock between described blood storage chamber and the described centrifugal pump head; Be provided with the bypass connection tube between described lung film and the described aorta blood transfusion tube; Also be connected with the 3rd three way cock on described first three way cock; Be connected with the 3rd three way cock, second three way cock, centrifugal pump head by pipeline successively by the second venous return pipe, thereby form the dypass of vein to centrifugal pump head connection tube.

Compared with prior art, the beneficial effect that this utility model had is: be provided with the dypass (and bypass of blood storage chamber) of vein to centrifugal pump head connection tube in the pipeline because this utility model switches.Closing or decontrol pipe grippers at folder on the associated conduit just can change between ECMO and conventional CPB easily mutually, use this utility model to switch pipeline, not only can independently carry out ECMO and conventional CPB, but also can directly carry out ECMO and conventional CPB changes mutually, for the quality time is won in the rescue of critical patient, and can reduce patient's medical expense significantly.

Description of drawings

Accompanying drawing is the structural representation of the switching pipeline between this utility model ECMO and the extracorporeal circulation.

Be the explanation of main Reference numeral in the Figure of description in this utility model below:

The centrifugal pump head of 1---blood storage chamber 2---

3---membrane lung 4---Micro-Bolt Filter

5,6---venous return pipe 7---membrane lungs and centrifugal pump head connection tube

8---aorta blood transfusion tube 9---venous return pipes and centrifugal pump head connection tube

10---membrane lung and centrifugal pump

head connection tube

11,12,13---first, second and third three way cock.

The specific embodiment

Below in conjunction with accompanying drawing this utility model is done to describe in further detail.

As shown in drawings, the structure of the switching pipeline between this utility model ECMO and the extracorporeal circulation is: comprise the first venous return pipe 6, the second venous return pipe 5, blood storage chamber 1, centrifugal pump head 2, membrane lung 3, Micro-Bolt Filter 4 and arterial transfusion pipe 8, the described first venous return pipe 6, blood storage chamber 1, centrifugal pump head 2, membrane lung 3, little filter 4 and aorta blood transfusion tube 8 of fastening are connected successively by pipeline; That is: be provided with first three way cock 11 between described first venous return pipe 6 and the described blood storage chamber 1, described blood storage chamber 1 is connected with described centrifugal pump head 2 with centrifugal pump head connection tube 7 by membrane lung, is provided with second three way cock 12 between connection tube 7 and centrifugal pump head 2; Rely on membrane lung to be connected with centrifugal pump head connection tube 10 between described centrifugal pump head 2 and the described lung film 3, finally, described membrane lung 3 is connected to aorta blood transfusion tube 8.

In addition, be provided with the bypass connection tube of Micro-Bolt Filter 4 between described membrane lung 3 and the described aorta blood transfusion tube 8.

From the second venous return pipe 5, be connected to centrifugal pump head 2 through the 3rd three way cock 13, the second venous return pipe and centrifugal pump head connection tube connection tube 9, second three way cock 12, thereby form the dypass of vein to centrifugal pump head 2.

Switching in the pipeline folder by pipe grippers at this utility model closes or decontrols and can form two pipelines." * " symbol that occurs on the associated conduit in the accompanying drawings, represent the position of pipe grippers, below work process of the present utility model just described in conjunction with the accompanying drawings: as shown in the figure, the pipeline clamp is closed the first venous return pipe 6, the second venous return pipe 5, folder closes blood storage chamber 1 and centrifugal pump head 2 connection tubes, feasible ECMO ECMO.Decontrol the first venous return pipe 6, the second venous return pipe 5, reach pipe grippers between blood storage chamber 1 and centrifugal pump head 2 connection tubes, folder closes the connection tube 9 between the second venous return pipe 5 and the centrifugal pump head 2, feasible conventional extracorporeal circulation CPB.Adopt the connected mode in this utility model switching pipeline, very convenient in carrying out ECMO ECMO and the mutual transformation process of conventional extracorporeal circulation CPB.

Although in conjunction with the accompanying drawings this utility model has been carried out foregoing description; but this utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; under the situation that does not break away from this utility model aim and claim institute protection domain, can also make a lot of distortion, these all belong to the row of protection of the present utility model.

Claims

1. the switching pipeline between ECMO and the extracorporeal circulation comprises first, second venous return pipe, blood storage chamber, centrifugal pump head, membrane lung, Micro-Bolt Filter and arterial transfusion pipe, it is characterized in that:

The described first venous return pipe, blood storage chamber, centrifugal pump head, membrane lung, little filter of fastening are connected by pipeline successively with the aorta blood transfusion tube; Be provided with first three way cock between described first venous return pipe and the described blood storage chamber, be provided with second three way cock between described blood storage chamber and the described centrifugal pump head;

Be provided with the bypass connection tube between described lung film and the described aorta blood transfusion tube;

Also be connected with the 3rd three way cock on described first three way cock; Be connected with the 3rd three way cock, second three way cock, centrifugal pump head by pipeline successively by the second venous return pipe, thereby form the dypass of vein to centrifugal pump head connection tube.