CN220656073U - Extracorporeal circulation blood circuit of blood purifying device - Google Patents
Extracorporeal circulation blood circuit of blood purifying device Download PDFInfo
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- CN220656073U CN220656073U CN202321741074.1U CN202321741074U CN220656073U CN 220656073 U CN220656073 U CN 220656073U CN 202321741074 U CN202321741074 U CN 202321741074U CN 220656073 U CN220656073 U CN 220656073U
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- 239000008280 blood Substances 0.000 title claims abstract description 57
- 210000004369 blood Anatomy 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 238000001802 infusion Methods 0.000 claims abstract description 50
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229960002897 heparin Drugs 0.000 claims abstract description 22
- 229920000669 heparin Polymers 0.000 claims abstract description 22
- 238000001990 intravenous administration Methods 0.000 claims description 31
- 238000000746 purification Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 239000003550 marker Substances 0.000 claims 4
- 230000017531 blood circulation Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 description 11
- 239000003814 drug Substances 0.000 description 8
- 210000003462 vein Anatomy 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000000502 dialysis Methods 0.000 description 6
- 230000036772 blood pressure Effects 0.000 description 5
- 208000020832 chronic kidney disease Diseases 0.000 description 4
- 238000001631 haemodialysis Methods 0.000 description 4
- 230000000322 hemodialysis Effects 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 201000000523 end stage renal failure Diseases 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 229940127219 anticoagulant drug Drugs 0.000 description 2
- 230000035602 clotting Effects 0.000 description 2
- 208000028208 end stage renal disease Diseases 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011866 long-term treatment Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model discloses an extracorporeal circulation blood circuit of a blood purifying device, which comprises: the arterial tube comprises an arterial main tube, an arterial connector, a first arterial drip chamber, a first pump tube, a second arterial drip chamber and a first dialyzer connector are sequentially arranged on the arterial main tube, the arterial connector is used for being communicated with an arterial puncture needle, the first arterial drip chamber is provided with a first arterial infusion branch tube, a first liquid stopping clamp is arranged on the first arterial infusion branch tube, a heparin pump connecting branch tube is arranged between the first pump tube and the second arterial drip chamber, and the heparin connecting branch tube is provided with a one-way valve; the venous tube comprises a venous main tube, and a venous connector, a venous drip funnel and a second dialyzer connector are sequentially arranged on the venous main tube; and the replacement liquid pipe is provided with a replacement liquid pipe joint and a second pump pipe. The utility model can solve the problem of wet environment pollution caused by direct outflow of liquid when each connecting pipe is disconnected.
Description
Technical Field
The utility model relates to the technical field of hemodialysis pipelines, in particular to an extracorporeal circulation blood circuit of a blood purifying device.
Background
In China, because kidney transplantation is not a main treatment means for end-stage renal disease due to limited sources of kidney transplantation donors and high cost, blood purification treatment (mainly comprising modes of hemodialysis, peritoneal dialysis and the like) is an important mode for life maintenance and long-term treatment of end-stage renal disease patients. Hemodialysis is a mainstream choice for ESRD patients worldwide due to its high effectiveness and safety.
Hemodialysis is a kidney replacement therapy for patients with acute/chronic renal failure. By draining in-vivo blood to the outside of the body, and passing through a dialyzer consisting of innumerable hollow fibers, the blood exchanges substances with electrolyte solution (dialysate) with similar concentration of the body inside and outside the hollow fibers through dispersion, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; and simultaneously remove excessive water in the body. In the dialysis process, the medicament needs to be injected into the pipeline according to the condition of a patient, after the dialysis is finished, the dialysis pipeline also needs to be dismantled, and in the dismantling process, liquid directly flows out when each connecting pipe is disconnected, so that the environment is polluted by moisture.
Disclosure of Invention
The utility model provides an extracorporeal circulation blood circuit of a blood purifying device, which can solve the problem of environmental humidity pollution caused by direct outflow of liquid when each connecting pipe is disconnected.
In order to solve the above-mentioned problems, the present utility model provides an extracorporeal circulation blood circuit of a blood purification apparatus, comprising:
the arterial tube comprises an arterial main tube, an arterial connector, a first arterial drip chamber, a first pump tube, a second arterial drip chamber and a first dialyzer connector are sequentially arranged on the arterial main tube, the arterial connector is used for being communicated with an arterial puncture needle, the first arterial drip chamber is provided with a first arterial infusion branch tube, a first liquid stopping clamp is arranged on the first arterial infusion branch tube, a heparin pump connecting branch tube is arranged between the first pump tube and the second arterial drip chamber, the heparin connecting branch tube is provided with a one-way valve, a second liquid stopping clamp is further arranged on the heparin connecting branch tube, and the first dialyzer connector is used for being connected with a dialyzer;
the intravenous tube comprises an intravenous main tube, an intravenous connector, an intravenous drip bucket and a second dialyzer connector are sequentially arranged on the intravenous main tube, the intravenous connector is used for being communicated with an intravenous puncture needle, the intravenous drip bucket is provided with an intravenous infusion branch tube, the intravenous infusion branch tube is provided with a third liquid stopping clamp, and the second dialyzer connector is used for being connected with a dialyzer;
and the replacement liquid pipe is provided with a replacement liquid pipe joint and a second pump pipe, and the replacement liquid pipe joint is used for being connected with the dialyzer.
As the preferable mode of the technical scheme, the side wall of the first arterial drip chamber is provided with the identification line, and the identification line comprises a first identification line and a second identification line.
As a preferable mode of the above technical solution, an inlet identification portion is provided at an inlet end of the first pump pipe, and an outlet identification portion is provided at an outlet end of the first pump pipe.
As a preferable mode of the above technical solution, the first arterial drip chamber is provided with a first pressure measuring tube, and the second arterial drip chamber is provided with a second pressure measuring tube.
As the optimization of the technical scheme, the first arterial infusion branch pipe is a Y-shaped pipe, a first branch of the first arterial infusion branch pipe is communicated with the first arterial drip chamber, and the second branch and the third branch of the first arterial infusion branch pipe are both provided with the first liquid stopping clamp.
As the optimization of the technical scheme, a second arterial infusion branch pipe is arranged between the second arterial drip chamber and the first dialyzer connector, and a fourth liquid stopping clamp is arranged on the second arterial infusion branch pipe.
As the preference of above-mentioned technical scheme, the vein connector with be provided with the connecting pipe between the vein drip chamber, the connecting pipe is Y type connecting pipe, the first branch of connecting pipe with vein connector intercommunication, the second branch of connecting pipe with vein drip chamber intercommunication, all be provided with the fifth on first branch, second branch and the third branch of connecting pipe and end the liquid clamp.
As a preferable mode of the technical scheme, the venous drip funnel is provided with a third pressure measuring pipeline.
As a preferable mode of the above technical solution, the number of the intravenous infusion branch pipes is two.
As the optimization of the technical scheme, a filter screen is arranged in the venous drip chamber.
The present utility model provides an extracorporeal circulation blood circuit of a blood purification device, comprising: the arterial connector is used for being connected with an arterial puncture needle, the first pump tube is used for being arranged in a peristaltic pump and used for adjusting the flow speed of blood in the arterial tube, the first arterial infusion branch tube is used for inputting normal saline, the first arterial infusion branch tube is connected with the normal saline after dialysis is finished to flush the blood in a pipeline back into a patient, so that the loss of blood of the patient is avoided, the first arterial infusion branch tube can also be used for inputting a medicament, the first liquid stopping clamp can prevent liquid from flowing out of the first arterial infusion branch tube to cause environmental damp pollution, the heparin connecting branch tube is used for infusing heparin into the arterial tube, heparin is a clinical commonly used anticoagulant, blood can be prevented from being aggregated in an outer pipeline such as a dialyzer, the one-way valve can prevent backflow of blood during heparin infusion and can also prevent risk of blood leakage after falling, and the second liquid stopping clamp can prevent the liquid from flowing out of the heparin connecting branch tube to cause environmental damp pollution; the venous connector is used for being connected with an arterial puncture needle, the venous infusion branch pipe is used for inputting normal saline or medicament, and the third liquid stopping clamp can prevent the liquid from flowing out of the venous infusion branch pipe to cause environmental wet pollution; the replacement liquid pipe is used for supplementing replacement liquid into the pipeline, blood in the pipeline can be diluted, the probability of blood clot formation in the pipeline can be greatly reduced by continuously inputting the replacement liquid, and the second pump pipe is used for being arranged in the peristaltic pump and used for adjusting the flow speed of the replacement liquid in the replacement liquid pipe. The extracorporeal circulation blood circuit solves the problem that when the pipeline is disassembled, liquid directly flows out when each connecting pipe is disconnected, and environmental humidity pollution is caused by arranging a plurality of liquid stopping clamps at each position in the pipeline.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
FIG. 1 is a schematic perspective view of an arterial tube of an extracorporeal circulation blood circuit of a blood purification device according to an embodiment of the present utility model;
fig. 2 is a schematic perspective view of an intravenous tube of an extracorporeal circulation blood circuit of a blood purification apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view showing a replacement fluid tube of an extracorporeal circulation blood circuit of a blood purification apparatus according to an embodiment of the present utility model;
in the figure: 1. arterial tube; 2. venous vessel; 3. a replacement liquid pipe; 101. an arterial main tube; 102. an arterial connector; 103. a first arterial drip chamber; 104. a first pump tube; 105. a second arterial drip chamber; 106. a first dialyzer connector; 107. a first arterial infusion branch; 108. a first liquid stop clamp; 109. heparin pump connecting branch pipe; 110. a one-way valve; 111. a second liquid stop clamp; 112. a marking line; 113. an inlet identification portion; 114. an outlet identification portion; 115. a first pressure measuring tube; 116. a second pressure measuring tube; 117. a second arterial infusion branch; 118. a fourth liquid stop clamp; 201. a venous main tube; 202. a venous connector; 203. a venous drip chamber; 204. a second dialyzer connector; 205. a branch intravenous infusion line; 206. a third liquid stop clamp; 207. a connecting pipe; 208. a fifth liquid stop clamp; 209. a third pressure measurement line; 210. a filter screen; 301. a replacement liquid pipe joint; 302. and a second pump tube.
Detailed Description
In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions according to the embodiments of the present utility model will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, an embodiment of the present utility model provides an extracorporeal circulation blood circuit of a blood purification apparatus, comprising:
arterial tube 1, including arterial main tube 101, arterial main tube 101 is last to have set gradually arterial connector 102, first arterial drip chamber 103, first pump line 104, second arterial drip chamber 105 and first dialyzer connector 106, arterial connector 102 is used for with arterial puncture needle intercommunication, first arterial drip chamber 103 is provided with first arterial infusion branch pipe 107, be provided with first stagnant liquid clamp 108 on the first arterial infusion branch pipe 107, be provided with heparin pump connecting branch pipe 109 between first pump line 104 and the second arterial drip chamber 105, heparin connecting branch pipe is provided with check valve 110, still be provided with second stagnant liquid clamp 111 on the heparin connecting branch pipe, first dialyzer connector 106 is used for being connected with the dialyzer;
venous tube 2, including vein main pipe 201, vein main pipe 201 is last to have set gradually venous connector 202, venous drip chamber 203 and the second dialyzer connector 204, venous connector 202 is used for communicating with the vein pjncture needle, venous drip chamber 203 is provided with intravenous infusion branch pipe 205, intravenous infusion branch pipe 205 is provided with third stagnant liquid clamp 206, second dialyzer connector 204 is used for being connected with the dialyzer;
a substitution liquid pipe 3 is provided with a substitution liquid pipe joint 301 and a second pump pipe 302, the substitution liquid pipe 3 joint being used for connection with a dialyzer.
An embodiment of the present utility model provides an extracorporeal circulation blood circuit of a blood purification apparatus, which is characterized by comprising: arterial tube 1, venous tube 2 and replacement liquid tube 3, arterial connector 102 is used for being connected with arterial puncture needle, first pump tube 104 is used for being set up in peristaltic pump, is used for adjusting the flow rate of blood in arterial tube 1, first arterial infusion branch 107 is used for inputting normal saline, connect with normal saline and wash back the blood in the pipeline to patient after dialysis is finished, avoid causing patient's blood loss, first arterial infusion branch 107 can also be used for inputting medicament, first liquid stopping clamp 108 can prevent liquid from flowing out from first arterial infusion branch 107 and causing the environmental moisture pollution, heparin connecting branch is used for infusing heparin into arterial tube 1, heparin is the clinical commonly used anticoagulant, can prevent blood from agglutinating in the outer pipeline of dialyzer, one-way valve 110 can prevent back flow of blood when infusing heparin, can prevent from causing the risk of leaking blood after falling off, second liquid stopping clamp 111 can prevent liquid from flowing out from the heparin connecting branch and causing the environmental moisture pollution; the venous connector 202 is used for being connected with an arterial puncture needle, the venous transfusion branch pipe 205 is used for inputting normal saline or medicament, and the third liquid stopping clamp 206 can prevent the liquid from flowing out of the venous transfusion branch pipe 205 to cause environmental moisture pollution; the replacement liquid tube 3 is used for supplementing the replacement liquid into the pipeline, so that the blood in the pipeline can be diluted, the probability of blood clot formation in the pipeline can be greatly reduced by continuously inputting the replacement liquid, and the second pump tube 302 is used for being arranged in the peristaltic pump and used for adjusting the flow speed of the replacement liquid in the replacement liquid tube 3. The extracorporeal circulation blood circuit solves the problem of environmental humidity pollution caused by direct outflow of liquid when each connecting pipe 207 is disconnected by arranging a plurality of liquid stopping clamps at each position in the pipeline.
In a further implementation manner of this embodiment, the sidewall of the first arterial drip chamber 103 is provided with a marking line 112, and the marking line 112 includes a first marking line 112 and a second marking line 112.
In this embodiment, the first identification line 112 and the second identification line 112 are sequentially arranged along the axial direction of the first arterial drip chamber 103, and by setting the identification line 112, a clinical staff can visually observe the height of the liquid level in the kettle, when pre-flushing, the liquid level needs to be kept between the first identification line 112 and the second identification line 112, and when the pre-flushing liquid level is too high, pressure alarm is caused, and air is easily caused to enter the dialyzer due to the too low pre-flushing liquid level, so that the operation convenience of the clinical staff is improved.
In a further implementation manner of this embodiment, an inlet identification portion 113 is disposed at an inlet end of the first pump pipe 104, and an outlet identification portion 114 is disposed at an outlet end of the first pump pipe 104.
In this embodiment, the inlet end of the first pump pipe 104 is provided with an inlet identification portion 113, the outlet end of the first pump pipe 104 is provided with an outlet identification portion 114, specifically, the inlet identification portion 113 and the outlet identification portion 114 are both color identification portions, and the inlet end and the outlet end of the first pump pipe 104 are identified by different colors, so that an operator can identify and confirm the correct installation direction of the first pump pipe 104.
In a further implementation manner of this embodiment, the first arterial drip chamber 103 is provided with a first pressure measuring tube 115, and the second arterial drip chamber 105 is provided with a second pressure measuring tube 116.
In this embodiment, the first arterial drip chamber 103 is provided with a first pressure measuring tube 115, the second arterial drip chamber 105 is provided with a second pressure measuring tube 116, the first pressure measuring tube 115 and the second pressure measuring tube 116 are used for being connected with a blood pressure detection sensor for detecting the blood pressure before blood enters the dialyzer, and by setting two groups of pressure measuring pipelines and matching with the first pump tube 104, the flow speed and the blood pressure of the blood in the pipelines can be ensured, so that thrombus formation in the pipelines is avoided, and smooth proceeding of the blood purification treatment process is ensured.
In a further implementation manner of this embodiment, the first arterial infusion branch pipe 107 is a Y-shaped pipe, a first branch of the first arterial infusion branch pipe 107 is communicated with the first arterial drip chamber 103, and the second branch and the third branch of the first arterial infusion branch pipe 107 are both provided with the first liquid stopping clip 108.
In this embodiment, the second branch and the third branch of the first arterial infusion branch pipe 107 may infuse physiological saline or a medicament into the first arterial drip chamber 103, so that different liquids may be simultaneously infused, the operation convenience of clinical staff is improved, and the liquid level in the first arterial drip chamber 103 may be adjusted by ventilation or other modes.
In a further implementation manner of this embodiment, a second arterial infusion branch pipe 117 is arranged between the second arterial drip chamber 105 and the first dialyzer connector 106, and a fourth liquid stop clip 118 is arranged on the second arterial infusion branch pipe 117.
In this embodiment, before the liquid in the arterial tube 1 enters the dialyzer, the physiological saline or the medicament may be infused through the second arterial infusion branch tube 117, and the fourth liquid stop clip 118 is disposed on the second arterial infusion branch tube 117, so that the liquid can be prevented from directly flowing out from the second arterial infusion branch tube 117 when the pipeline is detached, which causes the problem of environmental humidity pollution.
In a further implementation manner of this embodiment, a connection pipe 207 is disposed between the venous connector 202 and the venous drip chamber 203, the connection pipe 207 is a Y-shaped connection pipe 207, a first branch of the connection pipe 207 is communicated with the venous connector 202, a second branch of the connection pipe 207 is communicated with the venous drip chamber 203, and a fifth liquid stopping clamp 208 is disposed on each of the first branch, the second branch and the third branch of the connection pipe 207.
In this embodiment, physiological saline or a medicament may be infused into the intravenous drip chamber 203 through the third branch pipe of the connection pipe 207, and the fifth liquid stop clamp 208 is disposed on the first branch, the second branch and the third branch of the connection pipe 207, so as to solve the problem that the liquid directly flows out when the connection pipes 207 are disconnected, resulting in environmental humidity and pollution.
In a further implementation manner of this embodiment, the intravenous drip chamber 203 is provided with a third pressure measuring pipeline 209.
In this embodiment, the third pressure measuring pipeline 209 is configured to be connected to a blood pressure detecting sensor, and is configured to detect blood pressure before blood enters a human body, so as to avoid potential safety hazards.
In a further implementation of this embodiment, the number of the intravenous infusion branch tubes 205 is two.
In this embodiment, the number of the intravenous infusion branch pipes 205 is two, so that different liquids can be simultaneously input, thereby improving the operation convenience of clinical staff.
In a further implementation manner of this embodiment, a filter screen 210 is disposed in the intravenous drip chamber 203.
In this embodiment, the filter screen 210 is disposed in the venous drip funnel 203, so as to effectively prevent risk caused by falling of thrombus in the pipeline.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. An extracorporeal blood circuit of a blood purification apparatus, comprising:
the arterial tube comprises an arterial main tube, an arterial connector, a first arterial drip chamber, a first pump tube, a second arterial drip chamber and a first dialyzer connector are sequentially arranged on the arterial main tube, the arterial connector is used for being communicated with an arterial puncture needle, the first arterial drip chamber is provided with a first arterial infusion branch tube, a first liquid stopping clamp is arranged on the first arterial infusion branch tube, a heparin pump connecting branch tube is arranged between the first pump tube and the second arterial drip chamber, the heparin connecting branch tube is provided with a one-way valve, a second liquid stopping clamp is further arranged on the heparin connecting branch tube, and the first dialyzer connector is used for being connected with a dialyzer;
the intravenous tube comprises an intravenous main tube, an intravenous connector, an intravenous drip bucket and a second dialyzer connector are sequentially arranged on the intravenous main tube, the intravenous connector is used for being communicated with an intravenous puncture needle, the intravenous drip bucket is provided with an intravenous infusion branch tube, the intravenous infusion branch tube is provided with a third liquid stopping clamp, and the second dialyzer connector is used for being connected with a dialyzer;
and the replacement liquid pipe is provided with a replacement liquid pipe joint and a second pump pipe, and the replacement liquid pipe joint is used for being connected with the dialyzer.
2. The extracorporeal blood circuit of claim 1, wherein the first arterial drip chamber has a marker line disposed on a sidewall thereof, the marker line comprising a first marker line and a second marker line.
3. The extracorporeal blood circuit of claim 1, wherein the inlet end of the first pump tube is provided with an inlet identification portion and the outlet end of the first pump tube is provided with an outlet identification portion.
4. The extracorporeal blood circuit of claim 1, wherein the first arterial drip chamber is provided with a first pressure tube and the second arterial drip chamber is provided with a second pressure tube.
5. The extracorporeal blood circuit of claim 4, wherein the first arterial infusion branch tube is a Y-tube, a first branch of the first arterial infusion branch tube is in communication with the first arterial drip chamber, and both the second branch and the third branch of the first arterial infusion branch tube are provided with the first fluid stop clip.
6. The extracorporeal blood circuit of claim 5, wherein a second arterial infusion branch is disposed between the second arterial drip chamber and the first dialyzer connector, and a fourth fluid stop clip is disposed on the second arterial infusion branch.
7. The extracorporeal blood circulation path of claim 1, wherein a connecting tube is disposed between the venous connector and the venous drip funnel, the connecting tube is a Y-shaped connecting tube, a first branch of the connecting tube is communicated with the venous connector, a second branch of the connecting tube is communicated with the venous drip funnel, and fifth liquid stopping clips are disposed on the first branch, the second branch and the third branch of the connecting tube.
8. The extracorporeal blood circuit of claim 7, wherein the venous drip funnel is provided with a third pressure measurement line.
9. The extracorporeal blood circuit of claim 8, wherein the number of intravenous infusion branches is two.
10. The extracorporeal blood circuit of claim 9, wherein a filter screen is disposed in the venous drip funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321741074.1U CN220656073U (en) | 2023-07-05 | 2023-07-05 | Extracorporeal circulation blood circuit of blood purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321741074.1U CN220656073U (en) | 2023-07-05 | 2023-07-05 | Extracorporeal circulation blood circuit of blood purifying device |
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| CN220656073U true CN220656073U (en) | 2024-03-26 |
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| CN202321741074.1U Active CN220656073U (en) | 2023-07-05 | 2023-07-05 | Extracorporeal circulation blood circuit of blood purifying device |
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- 2023-07-05 CN CN202321741074.1U patent/CN220656073U/en active Active
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