CN214209050U

CN214209050U - Hemodialysis extracorporeal circulation pipeline with collateral circulation

Info

Publication number: CN214209050U
Application number: CN202021036753.5U
Authority: CN
Inventors: 林彩芬
Original assignee: 林彩芬
Current assignee: Zhangzhou Second Hospital
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-09-17
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a hemodialysis extracorporeal circulation pipeline with collateral circulation, which comprises an extracorporeal circulation main pipeline and a dialyzer arranged on the extracorporeal circulation main pipeline, wherein one end of the dialyzer is an artery end pipe, the other end of the dialyzer is a vein end pipe, two ends of the dialyzer positioned on the extracorporeal circulation main pipeline are respectively provided with a tee joint, one tee joint is provided with a first branch pipe, the other tee joint is provided with a second branch pipe, the first branch pipe and the second branch pipe are both vertical and communicated with the extracorporeal circulation main pipeline, the utility model is suitable for the hemodialysis extracorporeal circulation pipeline, the device is provided with a first branch pipe and a second branch pipe respectively through two ends of the extracorporeal circulation main pipeline, when the extracorporeal circulation main pipeline has coagulation blockage, the first branch pipe and the second branch pipe can be opened through a conduction control clamp, and the extracorporeal circulation blood is infused into the body of a patient through the first branch pipe and the second branch pipe, the loss of blood is reduced.

Description

Hemodialysis extracorporeal circulation pipeline with collateral circulation

Technical Field

The utility model belongs to the technical field of medical instrument, specifically be hemodialysis extracorporeal circulation pipeline with collateral circulation.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles directly or indirectly applied to the human body, and comprises required computer software, wherein the effects are mainly obtained in a physical mode and other modes, not in a pharmacological, immunological or metabolic mode, or are only assisted by the modes, so that the diagnosis, prevention, monitoring, treatment or alleviation of diseases are achieved; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, replacement, regulation or support of a physiological structure or physiological process; support or maintenance of life; controlling pregnancy; providing information for medical or diagnostic purposes by examining a sample from a human body;

the hemodialysis extracorporeal circulation pipeline is an essential pipeline for human body hemodialysis, however, the existing hemodialysis extracorporeal circulation pipeline adopts a one-way pipeline, only the blood in the extracorporeal circulation can be discarded completely when a dialyzer is blocked, and a patient loses about 300ml of blood.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a hemodialysis extracorporeal circulation pipeline with collateral circulation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

hemodialysis extrinsic cycle pipeline with collateral branch circulation, include the extrinsic cycle trunk line and install cerini dialyser cerini on the extrinsic cycle trunk line, the one end of cerini dialyser cerini is arterial end pipe, and the other end is venous end pipe, the both ends that lie in the cerini dialyser cerini on the extrinsic cycle trunk line all are provided with the tee bend, install first branch pipe on one of them tee bend, install the second branch pipe on another tee bend, first branch pipe with the second branch pipe all with the extrinsic cycle trunk line is perpendicular and intercommunication, but first branch pipe with the free end interconnect of second branch pipe switches on.

Preferably, the first branch pipe and the second branch pipe are respectively provided with a conduction control clamp for controlling the conduction and the closing of the first branch pipe and the second branch pipe.

Preferably, a threaded female joint is installed at the free end of the first branch pipe, a threaded male joint is installed at the free end of the second branch pipe, and the threaded female joint can be in threaded screwing connection with the threaded male joint.

Preferably, the first branch is located 15cm from the arterial end tube and the second branch is located 15cm from the venous end tube.

Preferably, the length of the first branch pipe and the second branch pipe is 21 cm.

The utility model relates to a hemodialysis extracorporeal circulation pipeline with collateral circulation, which is characterized in that a first branch pipe and a second branch pipe are respectively arranged at two ends of an extracorporeal circulation main pipeline, the free ends of the first branch pipe and the second branch pipe can be mutually connected and conducted, and a conduction control clamp for controlling the conduction and the closing of the first branch pipe and the second branch pipe is respectively arranged on the first branch pipe and the second branch pipe, when the extracorporeal circulation main pipeline is in a conduction state, the conduction control clamps on the first branch pipe and the second branch pipe are in a clamping state, namely the first branch pipe and the second branch pipe are closed, blood can only circularly flow from the extracorporeal circulation main pipeline, when a dialyzer has coagulation blockage, the first branch pipe and the second branch pipe can be opened through the conduction control clamp, so that the first branch pipe and the second branch pipe are mutually conducted, at the moment, the extracorporeal circulation blood can be returned into a patient body through the first branch pipe and the second branch pipe, the loss of blood is reduced.

Drawings

Fig. 1 is a schematic diagram of the whole structure of the hemodialysis extracorporeal circulation tube with collateral circulation of the present invention.

Reference numerals: 1. an arterial end tube; 2. a main extracorporeal circulation pipe; 3. a tee joint; 4. a venous end tube; 5. conducting a control clamp; 6. a first branch pipe; 9. a threaded female joint; 8. a second branch pipe; 7. a screw sub-joint; 10. a dialyzer.

Detailed Description

The following description will further describe the specific embodiment of the hemodialysis extracorporeal circulation tube with collateral circulation according to the present invention with reference to fig. 1. The hemodialysis extracorporeal circuit with collateral circulation of the present invention is not limited to the description of the following embodiments.

The utility model discloses a hemodialysis extrinsic cycle pipeline's with collateral branch circulation concrete structure, as shown in figure 1, including extrinsic cycle trunk line 2 and the cerini dialyser cerini 10 of installation on extrinsic cycle trunk line 2, the one end of cerini dialyser cerini 10 is artery end pipe 1, and the other end is vein end pipe 4, and the both ends that lie in cerini dialyser cerini 10 on the extrinsic cycle trunk line 2 all are provided with tee bend 3, install first branch pipe 6 on one of them tee bend 3, install second branch pipe 8 on another tee bend 3, and first branch pipe 6 and second branch pipe 8 all communicate with extrinsic cycle trunk line 2 is perpendicular, but the free end interconnect of first branch pipe 6 and second branch pipe 8 switches on.

And the first branch pipe 6 and the second branch pipe 8 are respectively provided with a conduction control clamp 5 for controlling the conduction and the closing of the first branch pipe 6 and the second branch pipe 8.

The free end of the first branch pipe 6 is provided with a threaded female joint 9, the free end of the second branch pipe 8 is provided with a threaded male joint 7, and the threaded female joint 9 can be in threaded connection with the threaded male joint 7.

The first branch 6 is located 15cm from the arterial end tube 1 and the second branch 8 is located 15cm from the venous end tube 4.

The first branch tube 6 and the second branch tube 8 have a length of 21 cm.

By adopting the technical scheme:

the two ends of the main extracorporeal circulation pipeline 2 are respectively provided with a first branch pipe 6 and a second branch pipe 8, the free ends of the first branch pipe 6 and the second branch pipe 8 can be connected and communicated with each other, the first branch pipe 6 and the second branch pipe 8 are respectively provided with a conduction control clamp 5 for controlling the conduction and the closing of the first branch pipe 6 and the second branch pipe 8, when the main extracorporeal circulation pipeline 2 is in a conduction state, the conduction control clamps 5 on the first branch pipe 6 and the second branch pipe 8 are in a clamping state, namely the first branch pipe 6 and the second branch pipe 8 are closed, blood can only circularly flow from the main extracorporeal circulation pipeline 2 and a dialyzer, when the dialyzer pipe has the condition of blood coagulation blockage, the first branch pipe 6 and the second branch pipe 8 can be connected through a threaded female connector 9 and a threaded male connector, so that the first branch pipe 6 and the second branch pipe 8 form a side branch circulation pipeline, and then the first branch pipe 6 and the second branch pipe 8 are opened through the conduction control clamp 5, the first branch pipe 6 and the second branch pipe 8 are communicated with each other, and the extracorporeal circulation blood can be infused back into the body of the patient through the first branch pipe 6 and the second branch pipe 8, so that the loss of the blood is reduced.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. Hemodialysis extrinsic cycle pipeline with collateral branch circulation, include extrinsic cycle trunk line (2) and install cerini dialyser cerini (10) on extrinsic cycle trunk line (2), the one end of cerini dialyser cerini (10) is artery end pipe (1), and the other end is vein end pipe (4), its characterized in that: the two ends of a dialyzer (10) on the extracorporeal circulation main pipe (2) are provided with tee joints (3), one tee joint (3) is provided with a first branch pipe (6), the other tee joint (3) is provided with a second branch pipe (8), the first branch pipe (6) and the second branch pipe (8) are both vertical to and communicated with the extracorporeal circulation main pipe (2), and the free ends of the first branch pipe (6) and the second branch pipe (8) can be mutually connected and communicated.

2. Hemodialysis extracorporeal circuit with collateral circulation according to claim 1, wherein: and the first branch pipe (6) and the second branch pipe (8) are respectively provided with a conduction control clamp (5) for controlling the conduction and the closing of the first branch pipe (6) and the second branch pipe (8).

3. Hemodialysis extracorporeal circuit with collateral circulation according to claim 1, wherein: screw thread female joint (9) are installed to the free end of first branch pipe (6), screw thread sub-joint (7) are installed to the free end of second branch pipe (8), screw thread female joint (9) can with screw thread sub-joint (7) screw thread closes soon and is connected.

4. Hemodialysis extracorporeal circuit with collateral circulation according to claim 1, wherein: the first branch (6) is located 15cm from the arterial end tube (1) and the second branch (8) is located 15cm from the venous end tube (4).

5. Hemodialysis extracorporeal circuit with collateral circulation according to claim 1, wherein: the length of the first branch pipe (6) and the second branch pipe (8) is 21 cm.