CN117414489A - CRRT machine without blood pump and pipeline connection system with ECMO - Google Patents
CRRT machine without blood pump and pipeline connection system with ECMO Download PDFInfo
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- CN117414489A CN117414489A CN202311370195.4A CN202311370195A CN117414489A CN 117414489 A CN117414489 A CN 117414489A CN 202311370195 A CN202311370195 A CN 202311370195A CN 117414489 A CN117414489 A CN 117414489A
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- 239000008280 blood Substances 0.000 title claims abstract description 162
- 210000004369 blood Anatomy 0.000 title claims abstract description 162
- 238000002618 extracorporeal membrane oxygenation Methods 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 239000002699 waste material Substances 0.000 claims abstract description 39
- 230000017531 blood circulation Effects 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000006467 substitution reaction Methods 0.000 claims description 9
- 238000011282 treatment Methods 0.000 abstract description 10
- 210000004204 blood vessel Anatomy 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 201000004193 respiratory failure Diseases 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 206010018910 Haemolysis Diseases 0.000 description 1
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000001647 Renal Insufficiency Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 206010063837 Reperfusion injury Diseases 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 206010007625 cardiogenic shock Diseases 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000012947 ischemia reperfusion injury Diseases 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 201000006370 kidney failure Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 208000037920 primary disease Diseases 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012959 renal replacement therapy Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
- A61M1/3633—Blood component filters, e.g. leukocyte filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3663—Flow rate transducers; Flow integrators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/367—Circuit parts not covered by the preceding subgroups of group A61M1/3621
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/08—Tubes; Storage means specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/15—Detection of leaks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
Abstract
The disclosure relates to the technical field of medical equipment, in particular to a CRRT machine without a blood pump and a pipeline connection system with ECMO. Comprises an ECMO loop consisting of a first blood inlet pipeline, an ECMO centrifugal pump head, an ECMO oxygenator and a first blood vessel loop; the system also comprises a blood pump-free CRRT loop consisting of a second blood inlet pipeline, a blood filter, a second blood return pipeline, a replacement liquid pipeline and a waste liquid pipeline; the first blood inlet pipeline is communicated with the second blood return pipeline, and the first blood return pipeline is communicated with the second blood inlet pipeline; the ECMO loop is driven by an ECMO host to provide blood flow force for the ECMO loop and the blood pump-free CRRT loop; the system also comprises a blood pump-free CRRT machine, wherein the blood pump-free CRRT machine is used for controlling and driving a blood pump-free CRRT loop. Through the arrangement, the CRRT loop does not need a blood pump any more, the pressure difference of the ECMO loop can be used as CRRT loop blood circulation power, the structure of the CRRT machine is simplified, the occupied area is reduced, continuous treatment can be carried out, and the treatment safety of patients is ensured.
Description
Technical Field
The disclosure relates to the technical field of medical equipment, in particular to a CRRT machine without a blood pump and a pipeline connection system with ECMO.
Background
External membrane oxygenation (ECMO) can provide temporary circulatory and/or respiratory support, and is an effective treatment for patients with refractory heart failure, cardiogenic shock, cardiac arrest, respiratory failure, and the like. Before ECMO is applied to a patient, the kidney of the patient is ischemic by the primary disease, the circulatory respiratory failure state and the application of a large-dose rescue medicament, and after the assistance, the acute kidney injury can be caused by ischemia reperfusion injury, systemic inflammation state caused by ECMO and hemolysis; meanwhile, in the rescuing process, the patient receives a large amount of liquid for resuscitation, which may cause overload of the patient's capacity, and the renal insufficiency of the patient, too much liquid cannot be discharged, further aggravates the whole-body liquid retention state and delays the cardiopulmonary recovery of the patient. This makes Continuous Renal Replacement Therapy (CRRT) necessary for nearly 50% of ECMO-supported patients.
At present, there are several problems associated with the simultaneous CRRT of ECMO patients, affecting the development of clinical rescue:
1. the traditional CRRT machine is connected with an ECMO loop, so that the pressure of the ECMO loop cannot be adapted, frequent alarm of the CRRT machine is easy to occur, the treatment efficiency is affected, simultaneously, repeated pump stoppage can cause coagulation in a filter and the loop, the consumption of coagulation substances of a patient is caused, and the medical economic burden is increased when the loop is repeatedly replaced;
when the CRRT machine is connected with the ECMO, the occupied area is too large, so that other treatments are very inconvenient to carry out in a ward.
Disclosure of Invention
In order to solve the technical problems, the present disclosure provides a CRRT without a blood pump and a pipeline connection system with ECMO.
The present disclosure provides a CRRT machine without a blood pump and a pipeline connection system with ECMO, comprising an ECMO loop composed of a first blood inlet pipeline, an ECMO centrifugal pump head, an ECMO oxygenator and a first blood vessel loop;
the system also comprises a blood pump-free CRRT loop consisting of a second blood inlet pipeline, a blood filter, a second blood return pipeline, a replacement liquid pipeline and a waste liquid pipeline;
wherein the first blood inlet pipeline is communicated with the second blood inlet pipeline, and the first blood inlet pipeline is communicated with the second blood inlet pipeline;
the ECMO loop is driven by an ECMO host to provide blood flow power for the ECMO loop and the blood pump-free CRRT loop;
the system also comprises a blood pump-free CRRT machine, wherein the blood pump-free CRRT machine is used for controlling and driving a blood pump-free CRRT loop.
Optionally, the blood pump-free CRRT machine includes a flow controller disposed on the second blood inlet path.
Optionally, the blood pump-free CRRT machine further comprises a filter pressure sensor and a blood flow sensor, both of which are disposed on the second blood inlet path.
Optionally, the blood pump-free CRRT machine further includes a feedback end pressure sensor, where the feedback end pressure sensor is disposed on the second blood return path.
Optionally, the blood pump-free CRRT machine further comprises a waste liquid pressure sensor, a blood leakage detector and a waste liquid rolling pump, wherein the waste liquid pressure sensor, the blood leakage detector and the waste liquid rolling pump are all arranged on the waste liquid pipeline.
Optionally, the blood pump-free CRRT machine further comprises a substitution liquid rolling pump, and the substitution liquid rolling pump is arranged on the substitution liquid pipeline.
Optionally, the blood pump-free CRRT machine further comprises a CRRT host controller, and the CRRT host controller is used for controlling adjustment of parameters of the blood pump-free CRRT machine.
Optionally, the blood pump-free CRRT machine further comprises a liquid scale, wherein the liquid scale is respectively communicated with the replacement liquid pipeline and the waste liquid pipeline.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the present disclosure provides a CRRT machine without a blood pump and a pipeline connection system with ECMO, comprising an ECMO loop composed of a first blood inlet pipeline, an ECMO centrifugal pump head, an ECMO oxygenator and a first blood vessel loop; the system also comprises a blood pump-free CRRT loop consisting of a second blood inlet pipeline, a blood filter, a second blood return pipeline, a replacement liquid pipeline and a waste liquid pipeline; the first blood inlet pipeline is communicated with the second blood return pipeline, and the first blood return pipeline is communicated with the second blood inlet pipeline; the ECMO loop is driven by an ECMO host to provide blood flow force for the ECMO loop and the blood pump-free CRRT loop; the system also comprises a blood pump-free CRRT machine, wherein the blood pump-free CRRT machine is used for controlling and driving a blood pump-free CRRT loop. Through the arrangement, the CRRT loop does not need a blood pump any more, the pressure difference of the ECMO loop can be used as CRRT loop blood circulation power, the structure of the CRRT machine is simplified, the occupied area is reduced, continuous treatment can be carried out, and the treatment safety of patients is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a CRRT machine without a blood pump and a pipeline connection system with an ECMO according to an embodiment of the disclosure.
Wherein, 1, ECMO loop; 11. a first blood inlet line; 12. ECMO centrifugal pump head; 13. an ECMO oxygenator; 14. a first circuit;
2. a CRRT loop; 21. a second blood inlet line; 22. a blood filter; 23. a second blood return line; 24. a displacement liquid pipeline; 25. a waste liquid pipeline;
3. a blood pump-free CRRT machine; 31. a flow controller; 32. a filter pressure sensor; 33. a blood flow sensor; 34. a feedback end pressure sensor; 35. a waste hydraulic pressure sensor; 36. a blood leakage detector; 37. waste liquid rolling pump; 38. a displacement hydraulic pump; 39. a CRRT host controller; 310. and (5) weighing the liquid.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.
The present disclosure provides a CRRT machine without a blood pump and a pipeline connection system with ECMO, comprising an ECMO loop 1 composed of a first blood inlet pipeline 11, an ECMO centrifugal pump head 12, an ECMO oxygenator 13 and a first blood return pipeline 14;
the blood pump-free CRRT loop 2 is composed of a second blood inlet pipeline 21, a blood filter 22, a second blood circuit 23, a replacement liquid pipeline 24 and a waste liquid pipeline 25;
wherein the first blood inlet pipeline 11 is communicated with the second blood return pipeline 23, and the first blood return pipeline 14 is communicated with the second blood inlet pipeline 21;
the ECMO centrifugal pump head 12 is electrically connected with an ECMO host, and the ECMO host is used for driving the ECMO centrifugal pump head 12;
the device also comprises a blood pump-free CRRT machine 3, wherein the blood pump-free CRRT machine 3 is used for controlling and driving the blood pump-free CRRT loop 2.
As shown in fig. 1, the present embodiment provides a CRRT machine without a blood pump and a pipeline connection system with an ECMO, which includes two loops, an ECMO loop 1 and a CRRT loop without a blood pump 2, where the ECMO loop 1 includes a first blood inlet pipeline 11, an ECMO centrifugal pump head 12, an ECMO oxygenator 13 and a first blood circuit 14, the CRRT loop 2 without a blood pump includes a second blood inlet pipeline 21, a blood filter 22 and a second blood circuit 23, a replacement liquid pipeline 24 and a waste liquid pipeline 25, the first blood inlet pipeline 11 is communicated with the second blood circuit 23, and the first blood return pipeline 14 is communicated with the second blood inlet pipeline 21. The ECMO host drives ECMO centrifugal pump head 12, which in turn drives ECMO loop 1. The blood pump-free CRRT machine 3 drives the blood pump-free CRRT loop 2.
After one end of the first blood inlet pipeline 11 is led into a blood vessel of a patient, the blood vessel is divided into two paths through the ECMO centrifugal pump head 12 and the ECMO oxygenator 13, one path enters the first blood return pipeline 14 and finally returns to the patient, the other path enters the second blood inlet pipeline 21 of the blood pump-free CRRT loop 2, the blood vessel is divided into two paths after passing through the blood pump-free CRRT machine 3, the blood vessel is also divided into two paths, one path passes through the second blood return pipeline 23, the EMCO centrifugal pump head, the ECMO oxygenator 13 and the first blood return pipeline 14 and finally returns to the patient, and the other path passes through the blood filter 22 and finally merges with the second blood return pipeline 23 and finally returns to the patient. Through the arrangement, the blood pump is not needed by the CRRT loop 2 without the blood pump in the embodiment, the pressure difference of the ECMO loop 1 can be directly used as the blood circulation power of the CRRT loop, the structure of the CRRT machine is simplified, the occupied area is reduced, continuous treatment can be carried out, and the treatment safety of patients is ensured.
In the present embodiment, the blood pump-free CRRT machine 3 includes a flow controller 31, and the flow controller 31 is disposed on the second blood inlet line 21. The flow controller 31, i.e., the valve clamp, controls the blood flow in the CRRT loop 2 and the pressure of the blood filter 22 via the clamp loop.
In the present embodiment, the blood pump-free CRRT machine 3 further includes a filter pressure sensor 32 and a blood flow sensor 33, and both the filter pressure sensor 32 and the blood flow sensor 33 are provided on the second blood intake line 21. As shown in fig. 1, the second blood inlet line 21 in this embodiment is provided with a filter pressure sensor 32 and a blood flow sensor 33 in this order. The filter pressure sensor 32 is used to acquire pressure information of the blood filter 22, and the blood flow sensor 33 is used to acquire the magnitude of the blood flow.
In this embodiment, the blood pump-free CRRT machine 3 further includes a return-end pressure sensor 34, and the return-end pressure sensor 34 is disposed on the second blood return line 23. The return-end pressure sensor 34 in the present embodiment is used to detect the pressure in the second return line 23.
In this embodiment, the blood pump-free CRRT machine 3 further includes a waste liquid pressure sensor 35, a blood leakage detector 36, and a waste liquid rolling pump 37, and the waste liquid pressure sensor 35, the blood leakage detector 36, and the waste liquid rolling pump 37 are all disposed on the waste liquid line 25. As shown in fig. 1, the blood filter 22 in the present embodiment is connected to a waste liquid line 25, a waste liquid pressure sensor 35, a blood leakage detector 36 and a waste liquid rolling pump 37 are provided on the waste liquid line 25, the waste liquid pressure sensor 35 is used for detecting the pressure of the waste liquid, the blood leakage detector 36 is used for detecting whether the waste liquid line 25 leaks blood, and the waste liquid rolling pump 37 is used for controlling the flow rate of the waste liquid.
In this embodiment, the blood pump-less CRRT machine 3 further includes a substitution fluid rolling pump 38, and the substitution fluid rolling pump 38 is disposed on the substitution fluid line 24. The replacement fluid may be infused into the second circuit 23 by way of a replacement fluid rolling pump 38 by way of post-replacement.
Optionally, the blood pump-free CRRT machine 3 further comprises a CRRT host controller 39, and the CRRT host controller 39 is configured to control the adjustment of parameters of the blood pump-free CRRT machine 3. The controller in this embodiment is electrically connected to the above-described respective sensors to acquire various information in the loop, and is electrically connected to the flow controller 31 to control the flow rate in the second blood inlet line 21.
In this embodiment, the blood pump-free CRRT machine 3 further includes a liquid scale 310, and the liquid scale 310 is respectively connected to the replacement liquid pipeline 24 and the waste liquid pipeline 25. In the dialysis process, the amounts of the dialysate and the waste liquid can be accurately calculated through the rotation speed of the waste liquid rolling pump 37, and meanwhile, the weight changes of the waste liquid and the replacement liquid can be measured through the liquid scale 310, so that the treatment safety is ensured.
It should be noted that in this document, relational terms such as "first" and "second" and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The CRRT without the blood pump and the pipeline connection system with the ECMO are characterized by comprising an ECMO loop (1) consisting of a first blood inlet pipeline (11), an ECMO centrifugal pump head (12), an ECMO oxygenator (13) and a first blood return pipeline (14);
the blood pump-free CRRT loop (2) is composed of a second blood inlet pipeline (21), a blood filter (22), a second blood return pipeline (23), a replacement liquid pipeline (24) and a waste liquid pipeline (25);
wherein the first blood inlet pipeline (11) is communicated with the second blood return pipeline (23), and the first blood return pipeline (14) is communicated with the second blood inlet pipeline (21);
the ECMO centrifugal pump head (12) is driven by an ECMO host to provide blood flow power for the loop;
the blood pump-free CRRT device (3) is further included, and the blood pump-free CRRT device (3) is used for controlling and driving the blood pump-free CRRT loop (2).
2. The blood pump-free CRRT machine and the tubing connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) comprises a flow controller (31), the flow controller (31) is disposed on the second blood inlet tubing (21).
3. The blood pump-free CRRT machine and the tubing connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) further comprises a filter pressure sensor (32) and a blood flow sensor (33), both the filter pressure sensor (32) and the blood flow sensor (33) being disposed on the second blood inlet tubing (21).
4. The blood pump-free CRRT machine and the tubing connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) further comprises a feedback end pressure sensor (34), the feedback end pressure sensor (34) being disposed on the second blood circuit (23).
5. The blood pump-free CRRT machine and the pipeline connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) further comprises a waste liquid pressure sensor (35), a blood leakage detector (36) and a waste liquid rolling pump (37), and the waste liquid pressure sensor (35), the blood leakage detector (36) and the waste liquid rolling pump (37) are all disposed on the waste liquid pipeline (25).
6. The blood pump-free CRRT machine and the tubing connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) further comprises a substitution liquid rolling pump (38), the substitution liquid rolling pump (38) being disposed on the substitution liquid tubing (24).
7. The blood pump-free CRRT machine and the tubing connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) further comprises a CRRT host controller (39), the CRRT host controller (39) is used for controlling the adjustment of parameters of the blood pump-free CRRT machine (3).
8. The blood pump-free CRRT machine and the tubing connection system with ECMO according to claim 1, wherein the blood pump-free CRRT machine (3) further comprises a liquid scale (310), and the liquid scale (310) is respectively communicated with the replacement liquid line (24) and the waste liquid line (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311370195.4A CN117414489A (en) | 2023-10-20 | 2023-10-20 | CRRT machine without blood pump and pipeline connection system with ECMO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311370195.4A CN117414489A (en) | 2023-10-20 | 2023-10-20 | CRRT machine without blood pump and pipeline connection system with ECMO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117414489A true CN117414489A (en) | 2024-01-19 |
Family
ID=89522312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311370195.4A Pending CN117414489A (en) | 2023-10-20 | 2023-10-20 | CRRT machine without blood pump and pipeline connection system with ECMO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117414489A (en) |
-
2023
- 2023-10-20 CN CN202311370195.4A patent/CN117414489A/en active Pending
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