CN214260197U - Improved pipeline for blood purifier - Google Patents

Abstract

The utility model relates to an improved pipeline for a blood purifier, which comprises a leading-in device, a first filtering device, a second filtering device and a leading-out device; the first end of the leading-in device is connected with the blood leading end of the patient, and the second end of the leading-in device is connected with the inlet end of the first filtering device; the outlet end of the first filtering device is connected with the inlet end of the second filtering device; the outlet end of the second filtering device is connected with the first end of the guiding device, and the second end of the guiding device is connected with the bleeding end of the patient; make this pipeline be applicable to different blood clearing machine equipment according to patient and medical personnel's demand through this kind of mode to carry out the treatment mode that plasma adsorbs/blood (thick liquid) perfusion/plasma replacement according to the treatment needs, reach the result of the mutual conversion between plasma adsorption/blood (thick liquid) perfusion treatment mode and the plasma replacement treatment mode, the clear convenient operation of structure has greatly improved medical personnel's work efficiency, reduce medical cost, reduce patient economic burden.

Description

Improved pipeline for blood purifier

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to is an improvement pipeline that blood purification machine used.

Background

The Plasauto IQ-21 continuous blood purifier is one of the commonly used blood purifying devices in domestic clinic at present, is a multipurpose full-function blood purifying device used in departments such as a blood purifying center, a hematology department, an artificial liver, an ICU, an infectious department, a transplantation department, rheumatism immunity and the like, and is a child consumable used in a matching way covering a full-series treatment mode. The therapeutic modalities of Plasauto IQ-21 are comprehensive, and include blood purification-related therapeutic modalities, such as: continuous Renal Replacement therapy crrt (continuous Renal Replacement therapy), continuous hemodiafiltration therapy chdf (continuous hemodiafiltration), and the like, and Artificial Liver (artifical Liver) support related therapies. Research shows that the current single treatment mode can not meet the clinical treatment requirement, the combination and the sequential treatment of a plurality of treatment modes and the like can achieve better clinical treatment effect, treatment consumables can be saved, the treatment cost and the cost are reduced, and the treatment efficiency is improved. Therefore, the design has clinical significance for realizing that one set of treatment pipeline sequentially finishes two or more treatment requirements by adding the stop valve and the three-way switching port in the treatment pipeline.

At present, because of the problem of the supply of treatment pipeline consumables of original manufacturers, the imported blood purifier equipment cannot be used continuously, and treatment pipelines in the blood purifier equipment of other brands cannot be applied to the imported blood purifier equipment produced by the original manufacturers, so that the purchased imported blood purifier equipment cannot be used continuously, and the situation is not a case, and a plurality of domestic hospitals also have the same trouble. The consumable problem can not continue to use the treatment machine, which causes waste of medical resources, delays the relevant treatment of the patient and possibly even delays the best rescue opportunity. In view of the above, the inventor desires to design an improved pipeline which can be used with the domestic blood purifier equipment and also can be applied to the imported blood purifier equipment. Hopefully through improving treatment pipeline on original design basis, obtain one set of treatment pipeline and can accomplish the purpose of two kinds of treatment demands more than or even simultaneously, not only satisfy the demand that medical personnel freely change treatment mode in clinic, reduce work load, can also furthest reduce medical cost, alleviate patient's economic burden, improve treatment efficiency.

To the above problems, the present invention provides an improved tube for a blood purifier.

Disclosure of Invention

In order to overcome the problem that proposes among the background art, the utility model provides an improvement pipeline that blood purification machine used.

An improved pipeline for a blood purifier comprises an introducing device, a first filtering device, a second filtering device and a leading-out device; the first end of the leading-in device is connected with the blood leading end of the patient, and the second end of the leading-in device is connected with the inlet end of the first filtering device; the outlet end of the first filtering device is connected with the inlet end of the second filtering device; the outlet end of the second filtering device is connected with the first end of the guiding device, and the second end of the guiding device is connected with the bleeding end of the patient; make this pipeline be applicable to different blood clearing machine equipment according to patient and medical personnel's demand through this kind of mode to carry out the treatment mode that plasma adsorbs/blood (thick liquid) perfusion/plasma replacement according to the treatment needs, reach the result of the mutual conversion between plasma adsorption/blood (thick liquid) perfusion treatment mode and the plasma replacement treatment mode, the clear convenient operation of structure has greatly improved medical personnel's work efficiency, reduce medical cost, reduce patient economic burden.

Preferably, the introduction device is a blood introduction hose arterial tube, two ends of the blood introduction hose arterial tube are respectively connected with the blood introduction end of the patient and the first filtering device, and a first pipeline auxiliary assembly is arranged on the blood introduction hose arterial tube to ensure the treatment of blood inside the blood introduction hose arterial tube. The first pipeline auxiliary assembly comprises a blood pump and an arterial pot which are sequentially arranged in the arterial tube of the blood introducing hose, and the blood in the arterial tube of the blood introducing hose can continue to reach the first filtering device along the arterial tube of the blood introducing hose after being sequentially processed by the blood pump and the arterial pot; this arrangement ensures a proper circulation of blood in the introduction means and the first filter means, avoiding air from entering the first filter means during treatment.

Preferably, a blood sampling pressing piece and/or a flushing saline piece are/is arranged at one side of the blood leading-in hose arterial tube at the front end of the blood pump; an anticoagulant pump is arranged on one side of the blood leading-in hose arterial tube at the rear end of the blood pump. The above arrangement meets the clinical therapeutic requirements. Blood sampling casting die passes through blood sampling pipe connection with leading-in hose arterial duct, and wash pipe salt water spare passes through infusion return circuit pipe connection with leading-in hose arterial duct, and anticoagulant pump passes through the anticoagulant connecting pipe with the leading-in hose arterial duct of blood and connects.

Preferably, the first filtering means comprises: the filter comprises a first filter main body, a first inlet and a first outlet, wherein the first inlet is arranged at the upper end of the first filter main body, and the first outlet is arranged at the lower end of the first filter main body; one end of the blood leading-in hose arterial tube is connected with the first inlet, and the first outlet is connected with the leading-out device; the arrangement ensures that the leading-in and leading-out of the blood are smoothly completed to form an extracorporeal circulation process.

Preferably, the outlet means is provided as a blood outlet hose intravenous line connected to the first outlet; the venous tube of the blood leading-out hose is provided with a venous pot, and the lower end of the venous pot is provided with an air monitoring part.

Preferably, a blood pulp outlet is further formed in the side surface of the first filtering main body, and the blood pulp outlet is connected with the second filtering device through a second pipeline auxiliary assembly; the arrangement of the auxiliary assembly of the second pipeline ensures the filtration treatment of the plasma.

Preferably, the second pipeline assist assembly comprises: the plasma separating tube I is connected with the plasma outlet, and the plasma separating tube II is connected with the second filtering device; and a waste liquid/pulp recovering part is arranged between the plasma separating pipe II between the plasma kettle and the second filtering device, and the waste liquid/pulp recovering part is connected with the pulp separating pipe II through a waste liquid pipe.

Preferably, the second filtering means comprises: the second filter body, a second inlet and a second outlet, wherein the second inlet is arranged at the upper end of the second filter body, and the second outlet is arranged at the lower end of the second filter body; one end of the plasma separating pipe II is connected with the second inlet, the second outlet is connected with the plasma return loop conduit, and the plasma return loop conduit is connected with the blood outlet hose venous pipe; this arrangement ensures smooth completion of the introduction and discharge of the plasma.

Preferably, a heating device is arranged on the conduit of the pulp return circuit to ensure the temperature of the liquid returned into the body.

Preferably, a replenishing liquid/pre-flushing liquid piece is arranged on one side of the slurry return circuit conduit, and the replenishing liquid/pre-flushing liquid piece is connected with the slurry return circuit conduit through a replenishing liquid/pre-flushing liquid conduit; a back-flow pump is arranged on the supplementary liquid/pre-flushing liquid guide pipe; the replenishing liquid/pre-flushing liquid piece is arranged between the heating device and the second outlet; the arrangement of the supplementing liquid/pre-flushing liquid piece effectively ensures normal supplementing in treatment and pre-flushing work of the treatment pipeline before treatment.

Preferably, a blood introducing hose branch is arranged at a position, close to the first inlet, of the blood introducing hose arterial tube, and the other end of the blood introducing hose branch is communicated with the second plasma separating tube; this arrangement ensures switching between the hemoperfusion treatment mode and the plasmapheresis treatment mode.

Preferably, a first T-shaped pipe is arranged at the joint of the arterial tube of the blood introducing hose and the branch of the blood introducing hose, a second T-shaped pipe is arranged at the joint of the branch of the blood introducing hose and the second plasma separating pipe, and a third T-shaped pipe is arranged at the joint of the second plasma separating pipe and the waste liquid pipe; the first T-shaped pipe is convenient to detach the blood guiding hose branch from the blood guiding hose arterial tube, the second T-shaped pipe is convenient to detach the blood guiding hose branch from the second plasma separating pipe, the third T-shaped pipe is convenient to detach the waste liquid/plasma recovery part from the second plasma separating pipe, and the waste liquid/plasma recovery part can be installed according to treatment needs to collect plasma separated by the first filtering device in a sealed mode. Through set up T type pipe at the different hookup location of pipeline, greatly made things convenient for medical personnel when carrying out different treatment modes for the patient, need not dismantle the pipeline just can accomplish treatment mode conversion, reduced because of dismantling the possibility that leads to treatment pipeline to pollute.

Preferably, T-shaped tubes are respectively arranged at the joint of the blood sampling pressing part and the blood introducing hose arterial tube, the joint of the flushing saline part and the blood introducing hose arterial tube, the joint of the anticoagulant pump and the blood introducing hose arterial tube, the joint of the plasma return circuit catheter and the blood leading-out hose venous tube, and the joint of the plasma return circuit catheter and the supplementing liquid/pre-flushing liquid catheter.

Preferably, the flow stopping clips capable of controlling the trend of blood are arranged on the introducing device, the first pipeline auxiliary assembly, the second pipeline auxiliary assembly and the leading-out device, and the flow stopping clips are operated to switch between different treatment modes and sequentially switch treatment modes; the arrangement of the flow stopping clamp simplifies the operation steps of different treatment modes in clinic, avoids pipeline disassembly and pollution, and reduces the risk of infection.

Preferably, the flow stopping clip comprises a first flow stopping clip arranged near the first inlet, a second flow stopping clip arranged near the first outlet, a third flow stopping clip arranged at a branch of the blood introducing hose, a fourth flow stopping clip arranged near the second inlet, a fifth flow stopping clip arranged near the second outlet, a sixth flow stopping clip arranged on the supplementary liquid/pre-flushing liquid guide pipe and close to the supplementary liquid/pre-flushing liquid piece, a seventh flow stopping clip arranged on the waste liquid pipe, and an eighth flow stopping clip arranged on the first pulp separating pipe; the first flow stopping clamp is positioned between the first inlet of the T-shaped pipe and the first inlet, the second flow stopping clamp is positioned between the connection part of the catheter of the plasma return loop and the venous tube of the blood outlet hose and the first outlet, the fourth flow stopping clamp is positioned between the second inlet of the T-shaped pipe and the second inlet, and the eighth flow stopping clamp is positioned between the second T-shaped pipe and the third T-shaped pipe.

Preferably, a flow stopping clamp is also arranged between the blood sampling pressure pipe, the infusion loop catheter, the anticoagulant connecting pipe, the blood introducing hose arterial pipe, the blood leading-out hose venous pipe, the inlet pressure/arterial pressure measuring part and the arterial pot, the venous pressure measuring part and the venous pot and the inlet pressure measuring part and the plasma pot.

Preferably, sampling ports are respectively arranged on the blood introducing hose arterial tube, the blood guiding hose venous tube, the plasma separating tube I and the plasma returning loop catheter, so that sampling detection is facilitated; the sampling port of the blood leading-in hose arterial tube is positioned between the blood leading end and the flushing saline part, the sampling port of the blood leading-out hose venous tube is positioned between the first filtering main body and the venous pot, the sampling port of the plasma separating tube I is positioned between the blood leakage monitoring part and the plasma separating pump, and the sampling port of the plasma returning loop catheter is positioned between the flow stopping clamp V and the connection point of the supplementary liquid/pre-flushing liquid catheter.

The utility model has the advantages that: 1. the flow stopping clamp and the T-shaped pipe are arranged, so that the device can be used in domestic blood purifier equipment and imported blood purifier equipment, and the T-shaped pipe is convenient and quick to operate and good in practicability; 2. the flow stopping clips are arranged on the pipelines, so that the flow stopping clips can be selectively opened or closed according to different treatment requirements of patients, different treatment modes can be used or the treatment sequence can be adjusted, and the patients can be treated sequentially; and residual blood in the pipeline can be better washed by using each flow stopping clip, so that unnecessary blood loss of a patient is avoided. 3. The setting of sampling port makes things convenient for medical personnel to carry out the sample detection analysis to the blood or plasma of different treatment modes and treatment stage to this adjustment treatment parameter perfects the treatment.

Drawings

Fig. 1 is a schematic structural view of the embodiment 1 of the present invention with an additional T-shaped tube, a flow stopping clamp and a sampling port;

fig. 2 is a schematic structural view of the embodiment 2 of the present invention with an additional T-shaped tube, a flow stopping clamp, and a sampling port;

FIG. 3 is a schematic structural view of the present invention with the addition of all T-shaped tubes, flow stopping clamps and sampling ports;

FIG. 4 is a schematic structural view of the present invention without the addition of a T-shaped tube, a flow stopping clip and a sampling port;

in the figure, 1, blood is introduced into a flexible tube arterial tube; 11. blood sampling pressing parts; 12. washing the saline piece; 13. an anticoagulant pump; 14. a sampling port; 2. a blood pump; 3. the arteria cruris; 31. an inlet pressure/arterial pressure measurement; 41. a first filter body; 42. a first inlet; 43. a first outlet; 44. a pressure measuring port; 45. an extra-membrane pressure measurement member; 46. bleeding the serous stoma; 5. a blood-draining flexible tubing intravenous tubing; 6. a venous pot; 61. an air monitoring member; 62. a venous pressure measurement; 71. a pulp separating pipe I; 72. a slurry distributing pump; 73. a plasma separation tube; 74. a blood plasma kettle; 75. a second pulp separating pipe; 76. waste liquor/pulp recovery; 77. a blood leakage monitoring member; 78. an inlet pressure measurement member; 81. a second filter body; 82. a second inlet; 83. a second outlet; 84. a slurry return conduit; 85. a warming device; 86. a refill/pre-flush element; 87. returning a slurry pump; 88. a blood introduction hose branch; 91. a T-shaped pipe I; 92. a T-shaped pipe II; 93. a T-shaped pipe III; 101. a first flow stopping clamp; 102. a second flow stopping clamp; 103. a third flow stopping clamp; 104. a fourth flow stopping clamp; 105. a fifth flow stopping clamp; 106. a flow stopping clamp six; 107. a seventh flow stopping clamp; 108. and eight flow stopping clamps.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and functions of the present invention from the disclosure in the present specification. The utility model discloses can also implement or use through other different concrete implementation according to clinical treatment needs, under reasonable circumstances, the characteristics in following embodiment and the embodiment can be mutually combined or change front and back sequential treatment order, based on the embodiment in the utility model, all other embodiments that the technical staff in the field obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.

Example 1

Referring to fig. 1, fig. 3 and fig. 4, an improved tube for a blood purifier in the present embodiment includes an introducing device, a first filtering device, a second filtering device and a leading-out device; the first end of the leading-in device is connected with the blood leading end of the patient, and the second end of the leading-in device is connected with the inlet end of the first filtering device; the outlet end of the first filtering device is connected with the inlet end of the second filtering device; the outlet end of the second filtering device is connected with the first end of the guiding device, and the second end of the guiding device is connected with the bleeding end of the patient; make this pipeline be applicable to different blood clearing machine equipment according to patient and medical personnel's demand through this kind of mode to carry out the treatment mode that plasma adsorbs/blood (thick liquid) perfusion/plasma replacement according to the treatment needs, reach the result of the interconversion between plasma adsorption/blood (thick liquid) perfusion treatment mode and the plasma replacement treatment mode, the clear convenient operation of structure has greatly improved medical personnel's work efficiency, reduce medical cost, reduce patient's cost.

The leading-in device is the leading-in hose arterial line 1 of blood that both ends are connected with patient's blood end and first filter equipment respectively, sets up first pipeline auxiliary assembly on leading-in hose arterial line 1 of blood to guarantee the processing to the inside blood of leading-in hose arterial line 1 of blood. The first pipeline auxiliary component comprises a blood pump 2 and an arterial pot 3 which are sequentially arranged in the blood introducing hose arterial tube 1, and blood in the blood introducing hose arterial tube 1 can continue to reach the first filtering device along the blood introducing hose arterial tube 1 only by sequentially processing the blood by the blood pump 2 and the arterial pot 3; this arrangement ensures a proper circulation of blood in the introduction means and the first filter means, avoiding air from entering the first filter means during treatment.

A blood sampling pressing piece 11 and/or a tube flushing saline piece 12 are arranged at one side of a blood leading-in hose arterial tube 1 at the front end of the blood pump 2; an anticoagulant pump 13 is provided on the side of the blood pump 2 near the blood introduction tube 1 at the rear end of the blood pump 2. The above arrangement meets the clinical therapeutic requirements. The blood sampling pressing part 11 is connected with the leading-in hose arterial tube through a blood sampling pressing pipe, the flushing saline part 12 is connected with the leading-in hose arterial tube through a transfusion loop conduit, and the anticoagulant pump 13 is connected with the blood leading-in hose arterial tube 1 through an anticoagulant connecting pipe. An inlet pressure/arterial pressure measuring member 31 is provided at the upper end of the arterial pot 3.

The first filter device includes: a first filtering body 41, a first inlet 42, a first outlet 43, the first inlet 42 is disposed at the upper end of the first filtering body 41, the first outlet 43 is disposed at the lower end of the first filtering body 41; one end of the blood introducing hose arterial tube 1 is connected with a first inlet 42, and a first outlet 43 is connected with a guiding device; the arrangement ensures that the leading-in and leading-out of the blood are smoothly completed to form an extracorporeal circulation process.

The leading-out device is arranged as a blood leading-out hose intravenous tube 5, and the blood leading-out hose intravenous tube 5 is connected with the first outlet 43; a venous pot 6 is provided in the blood outlet tube 5, and an air monitoring member 61 is provided near the lower end of the venous pot 6. An intravenous pressure measuring member 62 is provided at the upper end of the intravenous drip chamber 6. A pressure measuring port 44 and an external membrane pressure measuring member 45 are provided on the side of the first filter body 41.

A plasma outlet 46 is also formed in the side surface of the first filtering main body 41, and the plasma outlet 46 is connected with the second filtering device through a second pipeline auxiliary component; the arrangement of the auxiliary assembly of the second pipeline ensures the filtration treatment of the plasma.

The second pipeline auxiliary assembly comprises: the plasma separating tube I71, the plasma separating tube 72, the plasma separating tube 73, the plasma kettle 74 and the plasma separating tube II 75 are connected in sequence, the plasma separating tube I71 is connected with the plasma outlet 46, and the plasma separating tube II 75 is connected with the second filtering device; a waste liquid/pulp recovery member 76 is provided between the plasma kettle 74 and the second plasma separation tube 75 between the second filtration means, and the waste liquid/pulp recovery member 76 is connected to the second plasma separation tube 75 through a waste liquid tube. A blood leakage monitor 77 is provided in the first plasma separation tube 71, and an inlet pressure measuring member 78 is provided at the upper end of the plasma pot 74.

The second filter device includes: a second filtering body 81, a second inlet 82, a second outlet 83, the second inlet 82 being provided at the upper end of the second filtering body 81, the second outlet 83 being provided at the lower end of the second filtering body 81; one end of the second plasma separating tube 75 is connected with the second inlet 82, the second outlet 83 is connected with the plasma return circuit conduit 84, and the plasma return circuit conduit 84 is connected with the blood guiding-out hose intravenous tube 5; this arrangement ensures smooth completion of the introduction and discharge of the plasma. The catheter 84 of the pulp return circuit is provided with a heating device 85 to ensure the temperature of the liquid returned to the human body.

A replenishing liquid/pre-flushing liquid piece 86 is arranged on one side of the slurry return conduit 84, and the replenishing liquid/pre-flushing liquid piece 86 is connected with the slurry return conduit 84 through a replenishing liquid/pre-flushing liquid conduit; and a back-up pump 87 is arranged on the make-up fluid/preflushing fluid guide pipe; a refill/pre-flush 86 is provided between the warming device 85 and the second outlet 83; the provision of such a refill/pre-flush 86 ensures a continuous infusion of fluid during treatment.

A T-shaped pipe III 93 is arranged at the joint of the second slurry separation pipe 75 and the waste liquid pipe; the third T-shaped tube 93 can be provided with a waste liquid/plasma recovery member 76 according to the treatment requirement, and the plasma separated by the first filtering device is collected in a closed manner. The T-shaped pipes are arranged at different connecting positions of the pipelines, so that the different pipelines can be conveniently assembled/disassembled or the construction of a treatment mode is increased.

The flow stopping clips capable of controlling the trend of blood are arranged on the leading-in device, the first pipeline auxiliary assembly, the second pipeline auxiliary assembly and the leading-out device, and mode conversion and treatment sequential switching are carried out among different treatment modes by operating the flow stopping clips; the arrangement of the flow stop clip simplifies the operation steps in the clinical switching of different treatment modes.

The flow stopping clips comprise a first flow stopping clip 101 arranged close to the first inlet 42, a second flow stopping clip 102 arranged close to the first outlet 43, a fourth flow stopping clip 104 arranged close to the second inlet 82, a fifth flow stopping clip 105 arranged close to the second outlet 83, a sixth flow stopping clip 106 arranged on the replenishing liquid/pre-flushing liquid guide pipe close to the replenishing liquid/pre-flushing liquid piece 86, a seventh flow stopping clip 107 arranged on the waste liquid pipe and an eighth flow stopping clip 108 arranged on the first slurry separating pipe 71; the first flow stop clamp 101 is positioned between the first T-shaped pipe 91 and the first inlet 42, the second flow stop clamp 102 is positioned between the connection part of the plasma return circuit conduit 84 and the blood outlet soft venous pipe 5 and the first outlet 43, the fourth flow stop clamp 104 is positioned between the second T-shaped pipe 92 and the second inlet 82, and the eighth flow stop clamp 108 is positioned between the second T-shaped pipe 92 and the third T-shaped pipe 93.

The blood leading-in hose arterial tube 1, the blood leading-out hose venous tube 5, the plasma separating tube I71 and the plasma return loop catheter 84 are respectively provided with a sampling port 14, so that sampling detection is convenient; the sampling port 14 of the blood leading-in hose arterial tube 1 is positioned between the blood leading end and the flushing saline part 12, the sampling port 14 of the blood leading-out hose venous tube 5 is positioned between the first filtering main body 41 and the venous pot 6, the sampling port 14 of the plasma separating tube one 71 is positioned between the blood leakage monitoring part 77 and the plasma separating pump 72, and the sampling port 14 of the plasma returning loop conduit 84 is positioned between the flow stopping clamp five 105 and the connecting point of the supplementing liquid/pre-flushing liquid conduit.

The using method comprises the following steps: as shown in fig. 1, the blood perfusion treatment mode: the blood perfusion treatment is completed by clamping a first flow stopping clamp 101, a second flow stopping clamp 102, a sixth flow stopping clamp 106, a seventh flow stopping clamp 107, an eighth flow stopping clamp 108, opening a third flow stopping clamp 103, a fourth flow stopping clamp 104 and a fifth flow stopping clamp 105. Plasmapheresis treatment modality: the plasma replacement treatment is completed by a third clamping stop clamp 103, a fourth clamping stop clamp 104, a fifth clamping stop clamp 105, an eighth clamping stop clamp 108, a first open clamping stop clamp 101, a second clamping stop clamp 102, a sixth clamping stop clamp 106 and a seventh clamping stop clamp 107.

Example 2

Referring to fig. 2, fig. 3 and fig. 4, the following technical features are added to the embodiment 1: a blood introducing hose branch 88 is arranged at the position of the blood introducing hose arterial tube 1 close to the first inlet 42, and the other end of the blood introducing hose branch 88 is communicated with the second plasma separating tube 75; this arrangement ensures switching between the hemoperfusion treatment mode and the plasmapheresis treatment mode. A first T-shaped pipe 91 is arranged at the joint of the blood introducing hose arterial pipe 1 and the blood introducing hose branch 88, a second T-shaped pipe 92 is arranged at the joint of the blood introducing hose branch 88 and the second plasma separating pipe 75, the first T-shaped pipe 91 is convenient to detach the blood introducing hose branch 88 from the blood introducing hose arterial pipe 1, and the second T-shaped pipe 92 is convenient to detach the blood introducing hose branch 88 from the second plasma separating pipe 75; a third flow stop clip 103 is provided on the blood introduction tube branch 88.

Example 3

Referring to fig. 3, the following technical features are added to the embodiment 1 or 2 in this embodiment: t-shaped pipes are respectively arranged at the joint of the blood sampling pressing part 11 and the blood introducing hose arterial pipe 1, the joint of the flushing pipe saline part 12 and the blood introducing hose arterial pipe 1, the joint of the anticoagulant pump 13 and the blood introducing hose arterial pipe 1, the joint of the plasma return circuit conduit 84 and the blood leading-out hose venous pipe 5, and the joint of the plasma return circuit conduit 84 and the supplementing liquid/pre-flushing liquid conduit. Flow-stopping clips are also provided between the blood sampling pressure tube, the infusion circuit catheter, the anticoagulant connection tube, the blood introduction hose arterial tube 1, the blood discharge hose venous tube 5, the inlet pressure/arterial pressure measuring part 31 and the arterial pot 3, the venous pressure measuring part 62 and the venous pot 6, and the inlet pressure measuring part 78 and the plasma pot 74.

The using method comprises the following steps: as shown in fig. 2, plasma adsorption/plasma perfusion treatment mode: the plasma adsorption/plasma perfusion treatment is completed through a third clamping stop clamp 103, a sixth stop clamp 106, a seventh stop clamp 107, a first open stop clamp 101, a second stop clamp 102, a fourth stop clamp 104, a fifth stop clamp 105 and an eighth stop clamp 108. Plasmapheresis treatment modality: the plasma replacement treatment is completed by a third clamping stop clamp 103, a fourth clamping stop clamp 104, a fifth clamping stop clamp 105, an eighth clamping stop clamp 108, a first open clamping stop clamp 101, a second clamping stop clamp 102, a sixth clamping stop clamp 106 and a seventh clamping stop clamp 107.

Air monitor 61 is represented by air monitor (AD 1/CV/BD), blood sampling press 11 is represented by blood sampling pressure (Pacc), inlet pressure/arterial pressure measurement 31 is represented by arterial pressure (Part), blood pump 2 is represented by blood pump 2 (BP), anticoagulant pump 13 is represented by anticoagulant pump 13 (SP), venous pressure measurement 62 is represented by venous pressure (Pven); the first filtering apparatus external membrane pressure measuring member 45 is represented by a primary external membrane pressure (P1 st); the second filtration device inlet pressure measurement 78 is represented by a secondary membrane inlet pressure (P2 st); the blood leakage monitoring member 77 is denoted by the english letter LD; the slurry pump 72 is represented by a slurry pump 72 (FP); the stock return pump 87 is represented by a stock return pump 87 (RP); the warming device 85 is represented by a warming device 85 (HT).

The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.

Claims (9)

1. An improved pipeline for a blood purifier comprises an introducing device, a first filtering device, a second filtering device and a leading-out device, and is characterized in that a first end of the introducing device is connected with a blood leading end of a patient, and a second end of the introducing device is connected with an inlet end of the first filtering device; the outlet end of the first filtering device is connected with the inlet end of the second filtering device; the outlet end of the second filtering device is connected with the first end of the guiding device, and the second end of the guiding device is connected with the bleeding end of the patient; the first filter device includes: the filter comprises a first filter main body, a first inlet and a first outlet, wherein the first inlet is arranged at the upper end of the first filter main body, and the first outlet is arranged at the lower end of the first filter main body; a blood pulp outlet is also formed in the side surface of the first filtering main body, and the blood pulp outlet is connected with the second filtering device through a second pipeline auxiliary assembly; the second pipeline assist assembly includes: the plasma separating device comprises a plasma separating tube I, a plasma separating tube, a plasma kettle and a plasma separating tube II which are connected in sequence, wherein the plasma separating tube I is connected with a plasma outlet, and the plasma separating tube II is connected with a second filtering device.

2. The improved tube for blood purification apparatus as claimed in claim 1, wherein said introducing means is a blood introducing flexible tube artery tube having two ends connected to the blood introducing end of the patient and the first filtering means, respectively, and a first tube auxiliary assembly is provided on the blood introducing flexible tube artery tube.

3. The improved tube set for a blood purification apparatus as claimed in claim 2, wherein one end of the blood introducing tube is connected to the first inlet, and the first outlet is connected to the outlet means.

4. The improved tubing set for a blood purification apparatus of claim 1, wherein said means for removing is configured as a blood removal flexible tubing intravenous line connected to said first outlet.

5. The improved circuit for blood purifiers according to any of the claims 1 to 4, characterized in that a waste/plasma recovery unit is arranged between the second plasma separator tube between the plasma kettle and the second filter device.

6. The improved circuit for a blood purification apparatus of claim 4, wherein said second filter device comprises: the second filter body, a second inlet and a second outlet, wherein the second inlet is arranged at the upper end of the second filter body, and the second outlet is arranged at the lower end of the second filter body; one end of the second plasma separating pipe is connected with the second inlet, the second outlet is connected with the plasma return loop conduit, and the plasma return loop conduit is connected with the blood guiding hose venous pipe.

7. The improved tube for blood purification apparatus as claimed in claim 2, wherein said blood introducing tube artery tube is provided with a branch of blood introducing tube at a position near the first inlet, and the other end of the branch of blood introducing tube is connected to the second plasma separating tube.

8. The improved tube for blood purification apparatus as set forth in claim 7, wherein a first T-shaped tube is provided at a connection point between the blood introducing tube artery tube and the blood introducing tube branch, a second T-shaped tube is provided at a connection point between the blood introducing tube branch and the second plasma separating tube, and a third T-shaped tube is provided at a connection point between the second plasma separating tube and the waste liquid tube.

9. The improved line for blood purification apparatus as claimed in claim 2, wherein the introducing means, the first line auxiliary unit, the second line auxiliary unit and the discharging means are provided with flow stopping clips capable of controlling the direction of blood flow.

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