CN211675607U

CN211675607U - Hemodialysis return line pipe

Info

Publication number: CN211675607U
Application number: CN201922148349.0U
Authority: CN
Inventors: 丁玲; 冯伟; 鲍婕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-16
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to the technical field of medical equipment, in particular to a hemodialysis loop tube, which comprises a vein ingress tube, wherein the outlet end of the vein ingress tube is communicated with a first vein delivery tube, the two ends of the first vein delivery tube are respectively connected with a vein blood pump and a vein pot, the outlet end of the vein pot is connected with a second vein delivery tube, the middle part of the second vein delivery tube is communicated with a vein eduction tube, the outlet end of the vein eduction tube is connected with a dialyzer, the outlet end of the dialyzer is provided with a first artery ingress tube, a pipeline branch tube is communicated between the first artery ingress tube and the vein eduction tube, the first artery ingress tube is connected with a first artery delivery tube, the two ends of the first artery delivery tube are respectively connected with a first artery pot and a second artery pot, a second artery delivery tube is arranged between the first artery pot and the second artery pot, the middle part of the second artery delivery tube is communicated with a second, an arterial blood pump is arranged on the second arterial leading-in pipe. The utility model discloses a practicality is strong, is worth promoting.

Description

Hemodialysis return line pipe

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hemodialysis return circuit pipe.

Background

Currently, a hemodialysis tube is generally composed of an arterial pot, a dialyzer, a venous pot and related tubes; in the hemodialysis process, when the venous tube has the medium-light coagulation phenomenon, the hemodialysis can be continued or the hemodialysis treatment of a patient is ended in advance by flushing the venous pot, and the hemodialysis can be continued only by replacing a hemodialysis loop tube when the blood coagulation is serious; when the blood coagulation phenomenon occurs in the dialyzer, the blood can only flow back to the patient body by shearing the dialyzer, sterilizing and butting the catheter; these all result in unexpected dialysis treatment, and blood cannot be returned to the patient when the blood in the venous pot and the dialyzer is severely coagulated, so that the blood is polluted even though the blood is returned through complicated operations, and the disease condition of the patient is aggravated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art that the risk of treatment measures is high when the blood coagulation phenomenon occurs in the dialyzer, and providing a hemodialysis loop pipe.

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

the hemodialysis loop pipe comprises a vein ingress pipe, wherein an outlet end of the vein ingress pipe is communicated with a first vein delivery pipe, two ends of the first vein delivery pipe are respectively and fixedly connected with a vein blood pump and a vein pot, an outlet end of the vein pot is fixedly connected with a second vein delivery pipe, one end, far away from the vein pot, of the second vein delivery pipe is communicated with an outlet end of the vein blood pump, the middle part of the second vein delivery pipe is communicated with a vein delivery pipe, an outlet end of the vein delivery pipe is fixedly connected with a dialyzer, an outlet end of the dialyzer is fixedly provided with a first artery ingress pipe, a pipeline branch pipe is communicated between the first artery ingress pipe and the vein delivery pipe, an outlet end of the first artery ingress pipe is fixedly connected with a first artery delivery pipe, and two ends of the first artery delivery pipe are respectively and fixedly connected with a first artery pot and a second artery pot, a second arterial delivery pipe is fixedly mounted between the outlet ends of the first arterial pot and the second arterial pot, a second arterial leading-in pipe is communicated with the middle of the second arterial delivery pipe, and an arterial blood pump is fixedly mounted on the second arterial leading-in pipe.

Preferably, the dialyzer comprises a shell, a plurality of dialysis tubes are fixedly mounted in the shell, and the dialysis tubes are uniformly distributed in the shell.

Preferably, a blood inflow port is formed at the inlet end of the housing, and the blood inflow port is communicated with the inlet end of the dialysis tube.

Preferably, the outlet end of the casing is provided with a blood outflow port, and the blood outflow port is communicated with the outlet end of the dialysis tube.

Preferably, the upper end and the lower end of the side wall of the shell are respectively and fixedly provided with a dialysate inlet and a dialysate outlet, and the dialysate inlet and the dialysate outlet are externally connected with a dialysate conduit.

The utility model provides a pair of hemodialysis return circuit pipe, beneficial effect lies in:

1. when blood coagulation occurs in the venous pot, the blood circulation becomes slow, at the moment, the venous blood pump can be opened, the control valve on the venous pot is closed, the blocked blood in the venous pot is quickly led out, the normal blood circulation is ensured, and the patient can be ensured to continue the treatment simply;

2. the effect of pipeline branch pipe is that, after the inside hemagglutination phenomenon that appears of cerini dialyser cerini, inside is blocked up, and the pipeline branch pipe can be derived blood fast, and at this moment, patient stops the treatment, and accessible pipeline branch pipe leads blood back to in patient's the blood vessel, avoids aggravating patient's state of an illness.

Drawings

Fig. 1 is a schematic structural diagram of a hemodialysis loop tube according to the present invention;

fig. 2 is a schematic structural diagram of a hemodialysis loop tube according to the present invention;

fig. 3 is a cross-sectional view of a dialyzer of the hemodialysis loop tube according to the present invention.

In the figure: the device comprises a vein inlet pipe 1, a first vein delivery pipe 2, a vein blood pump 3, a vein pot 4, a second vein delivery pipe 5, a vein outlet pipe 6, a dialyzer 7, a shell 71, a dialysis pipe 72, a blood outlet 73, a blood inlet 74, a dialysate inlet 75, a dialysate outlet 76, a pipeline branch pipe 8, a first artery inlet pipe 9, a first artery delivery pipe 10, a first artery pot 11, a second artery pot 12, a second artery delivery pipe 13, a second artery inlet pipe 14 and an artery blood pump 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1:

referring to fig. 1-2, a hemodialysis loop pipe comprises a vein inlet pipe 1, wherein an inlet end of the vein inlet pipe 1 is communicated with a vein of a patient, an outlet end of the vein inlet pipe 1 is communicated with a first vein delivery pipe 2, two ends of the first vein delivery pipe 2 are respectively and fixedly connected with a vein blood pump 3 and a vein pot 4, an outlet end of the vein pot 4 is fixedly connected with a second vein delivery pipe 5, and one end of the second vein delivery pipe 5, which is far away from the vein pot 4, is communicated with an outlet end of the vein blood pump 3; after the blood coagulation phenomenon occurs in the venous pot 4, the blood circulation becomes slow, at the moment, the venous blood pump 3 can be opened, the control valve on the venous pot 4 is closed, the blocked blood in the venous pot 4 is rapidly led out, the normal blood circulation is ensured, and the patient can be ensured to continue the treatment simply.

A vein leading-out pipe 6 is communicated with the middle part of the second vein delivery pipe 5, the outlet end of the vein leading-out pipe 6 is fixedly connected with a dialyzer 7, a first artery leading-in pipe 9 is fixedly installed at the outlet end of the dialyzer 7, and a pipeline branch pipe 8 is communicated between the first artery leading-in pipe 9 and the vein leading-out pipe 6; the effect of pipeline branch pipe 8 is that, after the inside hemagglutination phenomenon that appears of cerini dialyser cerini 7, inside is stifled, and pipeline branch pipe 8 can be derived blood fast, and at this moment, the patient stops the treatment, and accessible pipeline branch pipe 8 is in leading blood back to patient's blood vessel, avoids aggravating patient's state of an illness.

The outlet end of the first artery introducing pipe 9 is fixedly connected with a first artery conveying pipe 10, two ends of the first artery conveying pipe 10 are respectively and fixedly connected with a first artery pot 11 and a second artery pot 12, a second artery conveying pipe 13 is fixedly arranged between the outlet ends of the first artery pot 11 and the second artery pot 12, the middle part of the second artery conveying pipe 13 is communicated with a second artery introducing pipe 14, and an artery blood pump 15 is fixedly arranged on the second artery introducing pipe 14; when the first arterial pot 11 and the second arterial pot 12 work, one works and the other works as a standby, so that the condition that the patient cannot continue to be treated when the working arterial pot 11 has blood coagulation can be avoided.

Example 2:

referring to fig. 3, as another preferred embodiment of the present invention, the only difference from the previous embodiment is that the dialyzer 7 includes a housing 71, a plurality of dialysis tubes 72 are fixedly installed inside the housing 71, the dialysis tubes 72 are uniformly distributed in the housing 71, a blood inlet 74 is opened at an inlet end of the housing 71, the blood inlet 74 is communicated with an inlet end of the dialysis tube 72, a blood outlet 73 is opened at an outlet end of the housing 71, the blood outlet 73 is communicated with an outlet end of the dialysis tube 72, a dialysate inlet 75 and a dialysate outlet 76 are respectively fixedly installed at upper and lower ends of a sidewall of the housing 71, and each of the dialysate inlet 75 and the dialysate outlet 76 is externally connected with a dialysate conduit.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hemodialysis loop pipe comprises a vein ingress pipe (1) and is characterized in that an outlet end of the vein ingress pipe (1) is communicated with a first vein delivery pipe (2), two ends of the first vein delivery pipe (2) are respectively and fixedly connected with a vein blood pump (3) and a vein pot (4), an outlet end of the vein pot (4) is fixedly connected with a second vein delivery pipe (5), one end, far away from the vein pot (4), of the second vein delivery pipe (5) is communicated with an outlet end of the vein blood pump (3), a vein exit pipe (6) is communicated with the middle of the second vein delivery pipe (5), an outlet end of the vein exit pipe (6) is fixedly connected with a dialyzer (7), an outlet end of the dialyzer (7) is fixedly provided with a first artery ingress pipe (9), and a branch pipe (8) is communicated between the first artery ingress pipe (9) and the vein exit pipe (6), the utility model discloses a blood vessel arterial infusion set, including first artery conveyer pipe (10) of exit end fixedly connected with of first artery induction tube (9), the first arterial kettle of both ends difference fixedly connected with (11) and second arterial kettle (12) of first artery conveyer pipe (10), fixed mounting has second artery conveyer pipe (13) between first arterial kettle (11) and second arterial kettle (12) exit end, the middle part of second artery conveyer pipe (13) is led to and is had second artery induction tube (14), fixed mounting has artery blood pump (15) on second artery induction tube (14).

2. A hemodialysis circuit tube according to claim 1, wherein the dialyzer (7) comprises a housing (71), a plurality of dialysis tubes (72) are fixedly installed inside the housing (71), and the dialysis tubes (72) are uniformly distributed in the housing (71).

3. The hemodialysis loop tube of claim 2, wherein the inlet end of the housing (71) is opened with a blood inlet (74), and the blood inlet (74) is communicated with the inlet end of the dialysis tube (72).

4. A hemodialysis circuit tube according to claim 3, wherein the outlet end of the housing (71) is opened with a blood outflow port (73), and the blood outflow port (73) is communicated with the outlet end of the dialysis tube (72).

5. The hemodialysis loop pipe of claim 4, wherein a dialysate inlet (75) and a dialysate outlet (76) are respectively and fixedly installed at the upper and lower ends of the sidewall of the housing (71), and the dialysate inlet (75) and the dialysate outlet (76) are externally connected with a dialysate conduit.