CN218356830U

CN218356830U - Closed blood return hemodialysis pipeline

Info

Publication number: CN218356830U
Application number: CN202222726555.7U
Authority: CN
Inventors: 周莹
Original assignee: Second People's Hospital Of Guiyang
Current assignee: Second People's Hospital Of Guiyang
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-24
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a hemodialysis pipeline apparatus technical field specifically is a closed blood hemodialysis pipeline that returns, including threaded connection at dislysate bottle bottom detachable venous line and threaded connection at input liquid bottle bottom detachable liquid feed pipe, the liquid feed pipe is kept away from the one end intercommunication of input liquid bottle is provided with the branch liquid pipe that can divide liquid, the one end intercommunication of branch liquid pipe is provided with the connecting pipe, the connecting pipe is kept away from the one end intercommunication of branch liquid pipe is provided with the blood filter, the bottom intercommunication of blood filter surface is provided with the drain pipe. This closed blood hemodialysis pipeline that returns through the setting of dislysate bottle, vein pipeline and blood filter, medical personnel can be with vein pipeline and dislysate bottle interconnect, with vein pipeline and blood filter interconnect, can filter blood, prevent that the coagulum in the blood from causing the jam of pipeline in dialysis, carry the effect better, and the medical personnel of being convenient for use the installation.

Description

Closed blood return hemodialysis pipeline

Technical Field

The utility model relates to a hemodialysis pipeline apparatus technical field specifically is a closed hemodialysis pipeline that returns blood.

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 the substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, the metabolic waste in the body is removed, and the electrolyte and acid-base balance are maintained; clear away internal too much moisture simultaneously, and the whole process of blood reinfusion through purification is called hemodialysis, when medical personnel treat the patient, need use the pipeline to patient hemodialysis treatment, in hemodialysis, the blood coagulation piece can cause the influence to the treatment, can not filter blood, the effect that prevents the backward flow is not enough, the installation is inconvenient, sealed effect is not enough between the pipeline, can not collect the processing in unison to the liquid after the dialysis, consequently, need a closed return blood hemodialysis pipeline convenient to use.

Chinese patent publication No. CN210056943U discloses a closed blood return hemodialysis tube, which comprises an arterial blood tube and a venous blood tube, wherein the arterial blood tube comprises a pre-pump arterial blood tube, a blood pump, a first post-pump arterial blood tube, an arterial pot and a second arterial blood tube; still be provided with normal saline input branch pipe between the inlet of artery blood pipe before the pump and blood pump the utility model has the advantages of structural design is reasonable, can filter back blood, avoids the blood clot directly to get into the patient internal, reduces the thrombosis risk.

However, the closed type return blood hemodialysis line has the following problems in actual use:

1. during hemodialysis, the blood coagulates can influence treatment, and the blood cannot be filtered, so that the backflow prevention effect is insufficient;

2. the installation is inconvenient, and sealed effect is not enough between the pipeline, can not collect the processing in unison to the liquid after the dialysis.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a closed blood return hemodialysis pipeline has solved in hemodialysis, and the blood coagulation piece can cause the influence to the treatment, can not filter blood, and the effect that prevents the backward flow is not enough, and the installation is inconvenient, and sealed effect is not enough between the pipeline, can not be to the problem of collecting the processing in unison of the liquid after the dialysis.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a closed blood hemodialysis pipeline that returns, includes threaded connection at dislysate bottle bottom detachable venous line way and threaded connection at input liquid bottle bottom detachable liquid delivery pipe, the liquid delivery pipe is kept away from the one end intercommunication of input liquid bottle is provided with the branch liquid pipe that can divide liquid, the one end intercommunication of branch liquid pipe is provided with the connecting pipe, the connecting pipe is kept away from the one end intercommunication of branch liquid pipe is provided with the blood filter, the bottom intercommunication of blood filter surface is provided with the drain pipe, the bottom threaded connection of drain pipe has detachable to collect the box, but the middle part fixed mounting of blood filter surface has the check valve of non return.

Optionally, one side of the upper surface of the collecting box is provided with a ventilating exhaust port, and the middle part of the side surface of the collecting box is provided with an observable window.

Optionally, the end of the blood filter far away from the connecting pipe is connected with a detachable arterial pipeline through screw threads.

Optionally, the outer surface joint of artery pipeline has the detachable to support tight ring, the bottom of supporting tight ring side articulates through the hinge has rotatable snap ring.

Optionally, the surface of the artery pipeline is communicated with a limiting pipe, and one end of the outer surface of the blood filter, which is close to the liquid outlet pipe, is communicated with a vein pipeline.

Optionally, the upper surfaces of the dialysate bottle and the input liquid bottle are fixedly connected with suspensible hooks, and scale marks for observing the allowance are arranged on one side of the outer surface of the dialysate bottle.

(III) advantageous effects

The utility model provides a closed blood return hemodialysis pipeline possesses following beneficial effect:

1. this closed blood hemodialysis pipeline that returns, through the setting of dislysate bottle, venous line, check valve and blood filter, medical personnel can be with venous line and dislysate bottle interconnect, with venous line and blood filter interconnect, can filter blood, prevent that the coagulum in the blood from causing the jam of pipeline in the dialysis, carry the effect better, the medical personnel of being convenient for use the installation, the check valve can prevent the backward flow of liquid, the non return effect is better.

2. This closed blood hemodialysis pipeline that returns through the setting of drain pipe and collection box, medical personnel have formed a closed loop between the pipeline when using, are favorable to medical personnel when treating the patient, and the condition of revealing can not appear in the pipeline, and airtight effect is better to convenient to use does benefit to through being provided with of drain pipe and collection box and collects the dialysate, and the unified collection of later stage medical personnel of being convenient for is handled.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of the liquid feeding bottle of the present invention;

fig. 4 is a schematic view of the structure of the collecting box of the present invention.

In the figure: 1. a dialysate bottle; 2. a venous line; 3. inputting a liquid bottle; 4. a liquid delivery pipe; 5. a liquid separating pipe; 6. a connecting pipe; 7. a blood filter; 8. a liquid outlet pipe; 9. a collection box; 10. an exhaust port; 11. a window; 12. a check valve; 13. an arterial line; 14. a tightening ring; 15. a snap ring; 16. a limiting pipe; 17. hooking; 18. scale lines are marked.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a closed blood return hemodialysis pipeline comprises a vein pipeline 2 which is connected with the bottom end of a dialysate bottle 1 in a detachable mode through threads, the upper surfaces of the dialysate bottle 1 and an input liquid bottle 3 are fixedly connected with a suspensible hook 17, one side of the outer surface of the dialysate bottle 1 is provided with scale marks 18 with the allowance capable of being observed, the upper surface of the infusion bottle is connected with a liquid delivery pipe 4 which is connected with the bottom end of the input liquid bottle 3 in a detachable mode through threads, one end, far away from the input liquid bottle 3, of the liquid delivery pipe 4 is communicated with a liquid distribution pipe 5 with the liquid distribution function, medical workers can install the pipelines in a classified mode through the liquid distribution pipe 5, the change of the liquid level is observed through observing scale values displayed by the scale marks 18, the dialysate bottle 1 can be replaced in time, the replacement is convenient, and the hook 17 can facilitate the medical workers to replace the dialysate bottle 1 and the input liquid bottle 3;

the end of the liquid separation pipe 5 is communicated with a connecting pipe 6, the end of the connecting pipe 6, which is far away from the liquid separation pipe 5, is communicated with a blood filter 7, the end of the blood filter 7, which is far away from the connecting pipe 6, is connected with a detachable arterial pipeline 13 in a threaded manner, a detachable abutting ring 14 is clamped on the outer surface of the arterial pipeline 13, the bottom of the side surface of the abutting ring 14 is hinged with a rotatable clamping ring 15 through a hinge, blood can be filtered through the blood filter 7, the pipeline blockage caused by a coagulum in the blood during dialysis is favorably prevented, the conveying effect is good, medical personnel can clamp the abutting ring 14 and the clamping ring 15 on the surface of the arterial pipeline 13, when the arterial pipeline 13 needs to be closed, the abutting ring 14 and the clamping ring 15 can be clamped with each other, the arterial pipeline 13 is closed, and the liquid is prevented from flowing;

the surface intercommunication of artery pipeline 13 is provided with spacing pipe 16, the one end intercommunication that the surface of blood filter 7 is close to drain pipe 8 is provided with vein pipeline 2, the bottom intercommunication of blood filter 7 surface is provided with drain pipe 8, the bottom threaded connection of drain pipe 8 has detachable to collect box 9, but the gas vent 10 that ventilates is seted up to one side of collecting box 9 upper surface, observable window 11 has been seted up at the middle part of collecting box 9 side, but the middle part fixed mounting of blood filter 7 surface has check valve 12 of non return, check valve 12 can prevent the backward flow of liquid, the non return effect is better, do benefit to and collect the dislysate through being provided with of drain pipe 8 and collection box 9, the unified collection processing of later stage medical personnel of being convenient for, gas vent 10 can discharge the inside gas of collection box 9, it is convenient to exhaust.

The utility model discloses in, the device's working procedure as follows:

1. firstly, medical staff can connect the venous pipeline 2 with the dialysate bottle 1 and connect the venous pipeline 2 with the blood filter 7;

2. secondly, the medical staff connects the artery pipeline 13 with an external pipeline connected with the body of the patient, drains the blood of the patient into the blood filter 7 and filters the blood;

3. then, the blood filtered by the blood filter 7 enters the collection box 9 through the liquid outlet pipe 8 for collection, when the arterial pipeline 13 needs to be closed, the abutting ring 14 and the clamping ring 15 can be clamped tightly, the arterial pipeline 13 is closed, and the liquid is prevented from flowing;

4. finally, the medical staff pulls out the used pipelines from the body of the patient and collects and stores the pipelines in a unified way.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a closed blood hemodialysis pipeline that returns, includes threaded connection at dislysate bottle (1) bottom detachable venous line (2) and threaded connection at input liquid bottle (3) bottom detachable liquid delivery pipe (4), its characterized in that: keep away from liquid delivery pipe (4) the one end intercommunication of input liquid bottle (3) is provided with branch liquid pipe (5) that can divide liquid, the one end intercommunication of branch liquid pipe (5) is provided with connecting pipe (6), keep away from in connecting pipe (6) the one end intercommunication of branch liquid pipe (5) is provided with blood filter (7), the bottom intercommunication of blood filter (7) surface is provided with drain pipe (8), the bottom threaded connection of drain pipe (8) has detachable to collect box (9), but the middle part fixed mounting of blood filter (7) surface has check valve (12) of non return.

2. The closed blood return hemodialysis line as set forth in claim 1, wherein: one side of the upper surface of the collecting box (9) is provided with a ventilating exhaust port (10), and the middle part of the side surface of the collecting box (9) is provided with an observable window (11).

3. The closed blood return hemodialysis line as set forth in claim 1, wherein: one end of the blood filter (7) far away from the connecting pipe (6) is connected with a detachable artery pipeline (13) through threads.

4. A closed hemodialysis return line according to claim 3, further comprising: the outer surface joint of artery pipeline (13) has detachable to support tight ring (14), the bottom of supporting tight ring (14) side articulates through the hinge has rotatable snap ring (15).

5. A closed hemodialysis return line according to claim 3, further comprising: the surface of the artery pipeline (13) is communicated with a limiting pipe (16), and one end of the outer surface of the blood filter (7) close to the liquid outlet pipe (8) is communicated with a vein pipeline (2).

6. The closed blood return hemodialysis line as set forth in claim 1, wherein: the upper surfaces of the dialysate bottle (1) and the input liquid bottle (3) are fixedly connected with suspensible hooks (17), and one side of the outer surface of the dialysate bottle (1) is provided with scale marks (18) for observing the allowance.