CN213131173U - Hemodialysis device for nephrology department - Google Patents

Abstract

The utility model discloses a hemodialysis device for nephrology department in the field of medical apparatus, which aims to solve the problem that blood is only pumped out in a reciprocating way through a dialysis machine in the conveying process, but the blood pumping power at the far end is insufficient, which often causes the defect that the pipeline close to the dialysis machine is shrunken due to insufficient blood flow, in order to solve the above problems, the present solution includes an arterial blood vessel for blood access and a venous blood vessel for blood return, a hemodialysis machine is communicated between the vein vessel and the artery vessel, the junction of the hemodialysis machine and the vein vessel is communicated with the luer head of a three-way pipeline, the top end of the luer head is communicated with the hemodialysis machine, the bottom end of the luer head is communicated with the venous blood vessel, and the peristaltic pump is adopted in the technical scheme to provide power sources for the first branch pipe and the arterial blood vessel so as to ensure continuous and stable blood flow and ensure the quality of hemodialysis.

Description

Hemodialysis device for nephrology department

Technical Field

The utility model belongs to the field of medical equipment, specifically a hemodialysis device for kidney internal medicine.

Background

Hemodialysis is one of the kidney replacement treatment modes of acute and chronic renal failure patients, and is characterized in that blood in vivo is drained to the outside of the body, and the blood and electrolyte solution with similar body concentration are arranged inside and outside one hollow fiber in a dialyzer consisting of a plurality of hollow fibers, so that substance exchange is carried out through dispersion/convection, metabolic waste in the body is removed, electrolyte and acid-base balance are maintained, excessive water in the body is removed at the same time, and the whole process of purified blood transfusion is called hemodialysis.

The existing hemodialysis adopts a main method of blood transfusion device leading out, but the method has the following defects that (1) blood is only pumped back and forth by a dialyzer in the conveying process, but the pumping power of the blood at the far end is insufficient, so that a pipeline close to the dialyzer is often shrunken due to insufficient blood flow; (2) no mechanism for treating waste liquid in blood; (3) air may be entrained in the patient's body during reinfusion, which aggravates the patient's condition and causes inconvenience for nursing, and needs further improvement.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to increase the pumping pressure of the distal artery blood vessel to the blood and avoid the artery blood vessel close to the dialysis machine from being dry and flat.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a hemodialysis device for nephrology dept is including the arterial blood vessel that is used for blood to get into and the venous blood vessel that blood is used for the feedback, it has hemodialysis machine to communicate between venous blood vessel and the arterial blood vessel, hemodialysis machine and the junction intercommunication of venous blood vessel have the luer head of tee bend pipeline, the top intercommunication hemodialysis machine of luer head, the bottom intercommunication venous blood vessel of luer head, last port intercommunication of luer head has the filter tube, filter tube one end intercommunication luer head, the other end intercommunication waste liquid bag of filter tube, the inside filter valve that has of filter tube.

Furthermore, a peristaltic pump is arranged between the arterial blood vessel and the hemodialysis machine, a first branch pipe is arranged in the pumping direction of the peristaltic pump, one end of the first branch pipe is communicated with the arterial blood vessel, and the other end of the first branch pipe is communicated with a medicine adding bag.

Further, a flow regulator is communicated between the medicine adding bag and the first branch pipe.

Further, a bubble detector is arranged between the hemodialysis machine and the vein.

Further, the medicine-adding package is internally provided with compound medicines, and the compound medicines comprise one or more of heparin, physiological saline and antibiotics.

Further, the structure of the flow regulator is a Murphy's dropper.

After the scheme is adopted, the following beneficial effects are realized: 1. according to the technical scheme, the peristaltic pump is adopted to provide power sources for the first branch pipe and the artery blood vessel, so that continuous and stable blood flow is guaranteed, and the quality of hemodialysis is guaranteed.

2. The blood after dialysis is filtered by the filter valve, and impurities in the blood are shunted at the moment, so that the cleanness of the reinfused blood is ensured.

3. The bubble detector detects the content of bubbles in blood, and medical accidents caused by the bubbles entering the body of a patient are avoided.

4. The nutrition medicine in the blood is conveniently replenished through the combined design of the medicine adding bag and the first branch pipe.

Drawings

Fig. 1 is a schematic diagram of an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises an arterial blood vessel 1, a venous blood vessel 2, a luer 3, a hemodialysis machine 4, a bubble detector 5, a filter tube 6, a filter valve 7, a peristaltic pump 8, a first branch tube 9, a medicine adding bag 10 and a Murphy's dropper 11.

The embodiment is basically as shown in the attached figure 1: a hemodialysis device for nephrology department comprises an arterial blood vessel 1 used for blood entering and a venous blood vessel 2 used for blood returning, a hemodialysis machine 4 is communicated between the venous blood vessel 2 and the arterial blood vessel 1, the structure of the hemodialysis machine 4 is the same as CN210125053U, a luer 3 of a three-way pipeline is communicated at the joint of the hemodialysis machine 4 and the venous blood vessel 2, the top end of the luer 3 is communicated with the hemodialysis machine 4, the bottom end of the luer 3 is communicated with the venous blood vessel 2, and a bubble detector 5 with the model MLU02-216 is arranged between the hemodialysis machine 4 and the venous blood vessel 2.

The last port of the luer head 3 is communicated with a filter pipe 6, one end of the filter pipe 6 is communicated with the luer head 3, the other end of the filter pipe 6 is communicated with a waste liquid bag, a filter valve 7 is arranged in the filter pipe 6, and the type of the filter valve 7 are as same as those of the filter valve 7

The filter valve 7 of CN202554465U is the same.

A peristaltic pump 8 with the model YZ35 is arranged between the arterial blood vessel 1 and the hemodialysis machine 4, a first branch pipe 9 is arranged in the pumping direction of the peristaltic pump 8, one end of the first branch pipe 9 is communicated with the arterial blood vessel 1, the other end of the first branch pipe 9 is communicated with a medicine adding bag 10, and a compound medicine is arranged in the medicine adding bag 10 and comprises heparin, physiological saline and antibiotics. A flow regulator is communicated between the medicine adding bag 10 and the first branch pipe 9, and the structure of the flow regulator is a Murphy dropper 11.

The specific implementation process is as follows: medical personnel will be connected thick syringe needle and artery 1 earlier at medical personnel in the use, will go into withered syringe needle and vein 2 connection later on, and medical personnel starts peristaltic pump 8 this moment, and after peristaltic pump 8 started, in the blood of human body got into hemodialysis machine 4 along artery 1, medical personnel can add the medicine in cartridge bag 10 and adjust murphy's formula burette 11 and carry out flow control according to actual demand configuration this moment.

At this moment, the blood is dialyzed in the hemodialysis machine 4, the dialyzed blood enters the luer head 3, impurities in the blood enter the waste liquid bag through the filter valve 7 due to the arrangement of the filter valve 7, the filtered blood enters the venous tube, and when the blood flows to the bubble detector 5 in the venous tube, the content of bubbles in the blood is detected, so that medical accidents caused by the fact that the bubbles enter the patient are avoided, and finally the dialyzed blood is returned to the patient along the venous tube.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. The utility model provides a hemodialysis device for nephrology dept which characterized in that: the hemodialysis machine is communicated between the venous blood vessel and the arterial blood vessel, the junction of the hemodialysis machine and the venous blood vessel is communicated with a luer head of a three-way pipeline, the top end of the luer head is communicated with the hemodialysis machine, the bottom end of the luer head is communicated with the venous blood vessel, the last port of the luer head is communicated with a filter pipe, one end of the filter pipe is communicated with the luer head, the other end of the filter pipe is communicated with a waste liquid bag, and a filter valve is arranged inside the filter pipe.

2. The hemodialysis device for nephrology department of claim 1, wherein: a peristaltic pump is arranged between the arterial blood vessel and the hemodialysis machine, a first branch pipe is arranged in the pumping direction of the peristaltic pump, one end of the first branch pipe is communicated with the arterial blood vessel, and the other end of the first branch pipe is communicated with a medicine adding bag.

3. The hemodialysis apparatus for nephrology department of claim 2, wherein: and a flow regulator is communicated between the dosing bag and the first branch pipe.

4. The hemodialysis device for nephrology department of claim 3, wherein: and a bubble detector is arranged between the hemodialysis machine and the venous blood vessel.

5. The hemodialysis device for nephrology department of claim 4, wherein: the medicine-adding package is internally provided with a compound medicine, and the compound medicine comprises one or more of heparin, physiological saline and antibiotics.

6. The hemodialysis device for nephrology department of claim 5, wherein: the structure of the flow regulator is a Murphy dropper.

Images