CN213048591U - Blood purification extracorporeal circulation pipeline - Google Patents

Abstract

The utility model discloses a blood purification extracorporeal circulation pipeline, which comprises an artery connecting pipe, wherein one end of the artery connecting pipe is fixedly connected with a blood pump, one side of the bottom end of the blood pump is fixedly connected with an artery transfusion pipe, the bottom end of the artery transfusion pipe is fixedly connected with a three-way connector, one side of the three-way connector is connected with an aorta pot through a connecting branch pipe, the utility model discloses through the matching among an arteria parapertha pot, a dialyzer parapertussis pot, an arc-shaped fixture block and a sliding fixture block, after the coagulation phenomenon appears in the inside of the arteria parapertussis pot, a main dialyzer and a main vein pot in a main pipeline, the main pipeline is closed, the blood in the pipeline continues to flow through the arteria parapertussis pot, the dialyzer and the parapertussis pot and finishes the feedback, the phenomenon that the treatment is required to stop after the coagulation appears in the arteria, the injury to the patient is reduced.

Description

Blood purification extracorporeal circulation pipeline

Technical Field

The utility model relates to a blood purification extracorporeal circulation pipeline technical field specifically is a blood purification extracorporeal circulation pipeline.

Background

Blood purification (dialysis) is one of the most effective measures for treating acute and chronic renal failure and drug and food poisoning, and is the most common method applied in the current clinical renal replacement therapy, in the clinical blood line, dialyzer, dialysis machine and the like are necessary devices for hemodialysis, the dialysis line is clinically matched with the dialyzer, dialysis machine and other devices for use, and the blood purification treatment bears the bridge function of a blood access, the principle of blood purification is that an arterial blood line leads the blood of a patient out of the body, a venous line returns the treated blood to the body of the patient, and a blood purification extracorporeal circulation line is needed in the dialysis process;

however, the blood purification extracorporeal circulation pipeline on the market at present is used for lacking a corresponding emergency auxiliary mechanism, blood transfusion cannot be continued after the blood coagulation phenomenon occurs inside an arterial ampule, a dialyzer or a venous ampule, and only blood in the whole pipeline and the pipeline can be discarded, so that the injury to a patient is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a blood purification extracorporeal circulation pipeline can effectively solve the blood purification extracorporeal circulation pipeline that proposes in the above-mentioned background art for lack corresponding emergent complementary unit, can't continue the blood transfusion after arterial kettle, cerini dialyser cerini or venous kettle appear blood coagulation phenomenon inside, can only abandon the blood in whole pipeline and the pipeline, thereby cause the problem of damage to the patient.

In order to achieve the above object, the utility model provides a following technical scheme: a blood purification extracorporeal circulation pipeline comprises an artery connecting pipe, one end of the artery connecting pipe is fixedly connected with a blood pump, one side of the bottom end of the blood pump is fixedly connected with an artery transfusion pipe, the bottom end of the artery transfusion pipe is fixedly connected with a three-way connector, one side of the three-way connector is connected with an aorta pot through a connecting branch pipe, the other side of the three-way connector is connected with an auxiliary aorta pot through a connecting branch pipe, one side of the aorta pot is provided with a main dialyzer, one side of the main dialyzer is provided with an auxiliary dialyzer, the bottoms of the aorta pot and the auxiliary aorta pot are connected with the bottoms of the main dialyzer and the auxiliary dialyzer through a lower blood transfusion pipe, one side of the main dialyzer is provided with a main vein pot, one side of the main vein pot is provided with an auxiliary vein pot, the tops, the top ends of the main vein pot and the auxiliary vein pot are connected to the vein connecting pipe;

the safety clamp box is characterized in that the safety clamp box is sleeved on the outer sides of the connecting branch pipes at the top ends and the bottom ends of the aortic kettle and the auxiliary arterial kettle, the main dialyzer and the auxiliary dialyzer, the main venous kettle and the auxiliary venous kettle, the arc-shaped clamping blocks are fixedly connected at the two ends of the inner side of the safety clamp box, the limiting sliding groove is formed in the middle of one side of the safety clamp box, the guide sliding groove is formed in the middle of one side of the inner part of the safety clamp box, the sliding clamping block is slidably connected in the guide sliding groove, the mounting square groove is formed in the middle of one side of the sliding clamping block, the reset spring is fixedly connected to the middle of one side of the inner.

Preferably, the arc surface shape of the arc-shaped clamping block is the same as the shapes of the two ends of the sliding clamping block, and the connecting branch pipe can be completely sealed when the sliding clamping block moves to the limit positions of the two ends.

Preferably, four sides of one end of the limit buckle are tightly attached to the inner wall of the mounting square groove respectively, and two sides of the other end of the limit buckle are tightly attached to the inner wall of the limiting sliding groove respectively.

Preferably, one side of the artery transfusion tube is fixedly connected with an injection branch tube, one end of the injection branch tube is fixedly connected with a sealing cup, the middle of the inner side of the sealing cup is bonded with a sealing silica gel sheet, and the top end of the sealing cup is connected with a protective cover through threads.

Preferably, the side surface of the sealing silica gel sheet is tightly attached to the inner wall of the sealing cup.

Preferably, fixing clamps are clamped in the middle of the outer sides of the aortic arch pot, the auxiliary aortic arch pot, the main dialyzer, the auxiliary dialyzer, the main venous pot and the auxiliary venous pot, the two fixing clamps are fixedly connected through a limiting transverse plate, the middle of one side of each fixing clamp is fixedly connected with a connecting transverse plate, and one side edge of each connecting transverse plate is fixedly connected with a hanging belt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. set up the arteria crura fistulae, vice cerini dialyser cerini, vice vein kettle, the arc fixture block, spacing spout, the direction spout, the fixture block slides, installation square groove, reset spring and spacing knot, through vice arteria crura fistulae, vice cerini dialyser cerini, vice vein kettle, arc fixture block and the cooperation between the fixture block that slides, the aorta kettle in the trunk line, the inside of main cerini dialyser cerini and main vein kettle appears the blood coagulation phenomenon after, seal the trunk line and make the blood in the pipeline pass through the arteria crura fistulae, vice cerini dialyser cerini and vice vein kettle continue to flow and accomplish the feedback, effectually avoided when the aorta kettle, just need stop the phenomenon of treatment after appearing the blood coagulation main cerini dialyser cerini and main vein kettle, blood purification extracorporeal circulation pipeline's strain capacity has.

2. Through spacing spout, direction spout, installation square groove, reset spring and spacing cooperation between detaining, can feed through the secondary circuit when sealing the main line, improved switching efficiency, the arc fixture block has avoided the phenomenon that the primary and secondary route was put through simultaneously with the unique position relation of the fixture block that slides simultaneously, has simplified the measuring step before the pipeline uses, has improved blood purification extracorporeal circulation pipeline's security.

3. The injection branch pipe, the sealing cup, the sealing silica gel sheet and the protective cover are arranged, a medicine injection port is added to the blood purification extracorporeal circulation pipeline through the matching between the injection branch pipe and the sealing cup, so that the blood purification extracorporeal circulation pipeline can inject medicine into the blood purification extracorporeal circulation pipeline in the working process, double-layer sealing is provided for the sealing cup through the matching between the sealing silica gel sheet and the protective cover, and the safety of the sealing cup is improved.

4. The fixing clamp, the limiting transverse plate, the connecting transverse plate and the hanging belt are arranged, the clearance is kept between the aortic kettle and the auxiliary arterial kettle through the matching between the fixing clamp and the limiting transverse plate, the collision between the aortic kettle and the auxiliary arterial kettle is avoided, the infusion support can be hung on the aortic kettle and the auxiliary arterial kettle when the aortic kettle and the auxiliary arterial kettle cannot be clamped through the matching between the connecting transverse plate and the hanging belt, and the blood purification extracorporeal circulation pipeline is more convenient to use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the safety clip box of the present invention;

FIG. 3 is a schematic view of the internal structure of the sealing cup of the present invention;

FIG. 4 is a schematic view of the mounting structure of the sling according to the present invention;

reference numbers in the figures: 1. an arterial connecting tube; 2. a blood pump; 3. an arterial blood transfusion vessel; 4. a three-way connector; 5. connecting branch pipes; 6. the aortic pot; 7. the arteria paraspinalis; 8. a main dialyzer; 9. a secondary dialyzer; 10. lower blood vessels; 11. a main venous pot; 12. a paravenous pot; 13. an upper blood transfusion vessel; 14. a venous connection tube; 15. a safety clip box; 16. an arc-shaped fixture block; 17. a limiting chute; 18. a guide chute; 19. a sliding clamping block; 20. installing a square groove; 21. a return spring; 22. a limit buckle; 23. an injection manifold; 24. sealing the cup; 25. sealing the silica gel sheet; 26. a protective cover; 27. a fixing clip; 28. a transverse limiting plate; 29. connecting the transverse plates; 30. and (7) hanging a belt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a blood purification extracorporeal circulation pipeline, including artery connecting pipe 1, 1 one end fixedly connected with blood pump 2 of artery connecting pipe, 2 bottom one side fixedly connected with artery blood transfusion pipe 3 of blood pump, 3 bottom fixedly connected with three way connection head 4 of artery blood transfusion pipe, three way connection head 4 one side is connected with aortic bulb 6 through connecting branch pipe 5, 4 opposite sides of three way connection head are connected with arteria parapsilosis 7 through connecting branch pipe 5, 6 one side of aortic bulb is provided with main cerini dialyser 8, 8 one side of main cerini dialyser is provided with assistant cerini dialyser 9, the bottom of aortic bulb 6 and arteria parapsilosis 7 is connected through lower blood transfusion pipe 10 with main cerini dialyser 8 and 9 bottom of assistant cerini dialyser, 8 one side of main cerini dialyser 11 is provided with auxiliary vein kettle 12, main cerini dialyser 8 and auxiliary cerini dialyser 9 top and main cerini dialyser The top ends of the main vein pot 11 and the auxiliary vein pot 12 are connected to a vein connecting pipe 14;

the outer sides of the connecting branch pipes 5 at the top ends and the bottom ends of the aortic kettle 6 and the auxiliary arterial kettle 7, the main dialyzer 8 and the auxiliary dialyzer 9, the main venous kettle 11 and the auxiliary venous kettle 12 are respectively sleeved with a safety clamp box 15, two ends of the inner side of the safety clamp box 15 are respectively fixedly connected with an arc-shaped fixture block 16, the middle part of one side of the safety clamp box 15 is provided with a limit sliding chute 17, the middle part of one side of the inner part of the safety clamp box 15 is provided with a guide sliding chute 18, a sliding fixture block 19 is connected in the guide sliding chute 18 in a sliding manner, the arc-shaped surface shape of the arc-shaped fixture block 16 is the same as the shapes of two ends of the sliding fixture block 19, the connecting branch pipes 5 can be completely sealed when the sliding fixture block 19 moves to the limit positions at two ends, the auxiliary pipeline can be communicated while the main pipeline is sealed through the matching among the limit sliding chutes 17, the guide sliding chutes 18, the phenomenon that the main route and the auxiliary route are simultaneously connected is avoided, the detection steps before the use of the pipeline are simplified, and the safety of the blood purification extracorporeal circulation pipeline is improved;

the middle part of one side of the sliding clamping block 19 is provided with a mounting square groove 20, the middle part of one side inside the mounting square groove 20 is fixedly connected with a return spring 21, one end of the return spring 21 is fixedly connected with a limit buckle 22 corresponding to the inner side position of the limit sliding groove 17, four side surfaces of one end of the limit buckle 22 are respectively tightly attached to the inner wall of the mounting square groove 20, two sides of the other end of the limit buckle 22 are respectively tightly attached to the inner wall of the limit sliding groove 17, through the matching among the arteria parapertha 7, the arteria parapertha 9, the accessory vein pot 12, the arc-shaped clamping block 16 and the sliding clamping block 19, after the coagulation phenomenon occurs inside the arteria main vessel 6, the main dialyzer 8 and the main vein pot 11 in the main vessel, the main vessel is sealed, and the blood in the vessel is enabled to continuously flow through the arteria parapertha 7, the accessory dialyzer 9 and the accessory vein pot 12 and complete the feedback, the strain capacity of the blood purification extracorporeal circulation pipeline is improved, and the damage to a patient is reduced;

an injection branch pipe 23 is fixedly connected to one side of the artery transfusion pipe 3, a sealing cup 24 is fixedly connected to one end of the injection branch pipe 23, a sealing silica gel sheet 25 is bonded to the middle of the inner side of the sealing cup 24, the top end of the sealing cup 24 is connected with a protective cover 26 through threads, the side face of the sealing silica gel sheet 25 is tightly attached to the inner wall of the sealing cup 24, a medicine injection port is added to the blood purification extracorporeal circulation pipeline through the matching between the injection branch pipe 23 and the sealing cup 24, so that medicine can be injected into the blood purification extracorporeal circulation pipeline in the working process, double-layer sealing is provided for the sealing cup 24 through the matching between the sealing silica gel sheet 25 and the protective cover 26, and the safety of the sealing cup 24 is improved;

aorta kettle 6, vice arteria kettle 7, main cerini dialyser cerini 8, vice cerini dialyser cerini 9, the equal joint in outside middle part of main vein kettle 11 and vice vein kettle 12 has fixation clamp 27, through spacing diaphragm 28 fixed connection between two fixation clamps 27, fixation clamp 27 one side middle part fixedly connected with connects diaphragm 29, connect diaphragm 29 one side limit portion fixedly connected with to hang and take 30, cooperation through between fixation clamp 27 and the spacing diaphragm 28, make and keep the clearance between aorta kettle 6 and the vice arteria kettle 7, avoid bumping between aorta kettle 6 and the vice arteria kettle 7, through connecting diaphragm 29 and hanging the cooperation between taking 30, can hang the infusion support when aorta kettle 6 and vice arteria kettle 7 can't carry out the centre gripping on, make blood purification extracorporeal circulation pipeline's use more convenient.

The utility model discloses a theory of operation and use flow: the utility model discloses in the practical application in-process, pack saline solution in whole pipeline earlier, then be connected blood purification extracorporeal circulation pipeline with the patient, through vice arteria pot 7, vice cerini dialyser cerini 9, vice vein kettle 12, arc fixture block 16 and the cooperation between the fixture block 19 that slides, after the coagulation phenomenon appears in the inside of aorta kettle 6 in the trunk line, main cerini dialyser cerini 8 and main vein kettle 11, seal the trunk line and make the blood in the pipeline continue to flow and accomplish the feedback through vice arteria dialyser 7, vice cerini dialyser cerini 9 and vice vein kettle 12, the effectual phenomenon that need stop the treatment when aorta kettle 6, main cerini dialyser 8 and main vein kettle 11 appear after the coagulation, the strain capacity of blood purification extracorporeal circulation pipeline has been improved, the damage to patient has been alleviateed;

the auxiliary pipelines can be communicated while the main pipeline is closed through the matching among the limiting sliding groove 17, the guide sliding groove 18, the mounting square groove 20, the reset spring 21 and the limiting buckle 22, so that the switching efficiency is improved, meanwhile, due to the unique position relation of the arc-shaped clamping block 16 and the sliding clamping block 19, the phenomenon that the main pipeline and the auxiliary pipelines are communicated simultaneously is avoided, the detection step before the pipelines are used is simplified, and the safety of the blood purification extracorporeal circulation pipeline is improved;

through the matching between the injection branch pipe 23 and the sealing cup 24, a medicine injection port is added to the blood purification extracorporeal circulation pipeline, so that the blood purification extracorporeal circulation pipeline can inject medicine into the blood purification extracorporeal circulation pipeline in the working process, through the matching between the sealing silicon sheet 25 and the protective cover 26, double-layer sealing is provided for the sealing cup 24, and the safety of the sealing cup 24 is improved;

through the cooperation between fixation clamp 27 and the spacing diaphragm 28, make between aortic arch cruse 6 and the arteria parapertalis 7 keep the clearance, avoid bumping between aortic arch cruse 6 and the arteria parapertalis 7, through the cooperation between connecting diaphragm 29 and the string area 30, can hang the infusion support when aortic arch cruse 6 and arteria parapertalis 7 can't carry out the centre gripping on, make the use of blood purification extracorporeal circulation pipeline more convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A blood purification extracorporeal circulation circuit, comprising an arterial connection tube (1), characterized in that: one end of the artery connecting pipe (1) is fixedly connected with a blood pump (2), one side of the bottom end of the blood pump (2) is fixedly connected with an artery transfusion pipe (3), the bottom end of the artery transfusion pipe (3) is fixedly connected with a three-way connector (4), one side of the three-way connector (4) is connected with an aorta pot (6) through a connecting branch pipe (5), the other side of the three-way connector (4) is connected with an auxiliary aorta pot (7) through the connecting branch pipe (5), one side of the aorta pot (6) is provided with a main dialyzer (8), one side of the main dialyzer (8) is provided with an auxiliary dialyzer (9), the bottoms of the aorta pot (6) and the auxiliary aorta pot (7) are connected with the bottoms of the main dialyzer (8) and the auxiliary dialyzer (9) through a lower blood transfusion pipe (10), one side of the main dialyzer (8) is provided with a main vein pot (11), the top ends of the main dialyzer (8) and the auxiliary dialyzer (9) are fixedly connected with the bottom ends of the main vein pot (11) and the auxiliary vein pot (12) through an upper blood transfusion tube (13), and the top ends of the main vein pot (11) and the auxiliary vein pot (12) are connected to a vein connecting tube (14);

the outer sides of the connecting branch pipes (5) at the top end and the bottom end of the aortic pot (6) and the auxiliary arterial pot (7), the main dialyzer (8) and the auxiliary dialyzer (9), the main venous pot (11) and the auxiliary venous pot (12) are respectively sleeved with a safety clamp box (15), the two ends of the inner side of the safety clip box (15) are fixedly connected with arc-shaped clamping blocks (16), the middle part of one side of the safety clip box (15) is provided with a limit sliding chute (17), a guide sliding groove (18) is arranged in the middle of one side in the safety clip box (15), a sliding clamping block (19) is connected in the guide sliding groove (18) in a sliding manner, a mounting square groove (20) is formed in the middle of one side of the sliding clamping block (19), the middle part of one side inside the mounting square groove (20) is fixedly connected with a return spring (21), one end of the reset spring (21) is fixedly connected with a limit buckle (22) corresponding to the inner side position of the limit sliding groove (17).

2. The extracorporeal circulation circuit for blood purification according to claim 1, wherein the arc-shaped fixture block (16) has the same shape as the two ends of the sliding fixture block (19), and the sliding fixture block (19) can completely close the connecting branch pipe (5) when moving to the extreme positions of the two ends.

3. The blood purification extracorporeal circulation circuit according to claim 1, wherein four sides of one end of the limit buckle (22) are respectively and tightly attached to the inner wall of the installation square groove (20), and two sides of the other end of the limit buckle (22) are respectively and tightly attached to the inner wall of the limit sliding groove (17).

4. The extracorporeal circulation circuit for blood purification according to claim 1, wherein an injection branch (23) is fixedly connected to one side of the arterial blood transfusion tube (3), a sealing cup (24) is fixedly connected to one end of the injection branch (23), a silicone sealing sheet (25) is bonded to the middle of the inner side of the sealing cup (24), and a protective cover (26) is connected to the top end of the sealing cup (24) through a thread.

5. The extracorporeal circulation circuit for blood purification according to claim 4, wherein the side of the silicone sealing sheet (25) is closely attached to the inner wall of the sealing cup (24).

6. The extracorporeal circulation circuit for blood purification according to claim 1, wherein fixing clips (27) are respectively clamped in the middle of the outer sides of the aortic pot (6), the auxiliary arterial pot (7), the main dialyzer (8), the auxiliary dialyzer (9), the main venous pot (11) and the auxiliary venous pot (12), the two fixing clips (27) are fixedly connected through a limiting transverse plate (28), a connecting transverse plate (29) is fixedly connected in the middle of one side of each fixing clip (27), and a hanging belt (30) is fixedly connected in one side of each connecting transverse plate (29).

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