Special blood perfusion integrated pipeline for daily installation

Abstract

The utility model provides a special blood perfusion integrated pipeline for daily installation, which comprises a perfusion device and a dialyzer which are sequentially connected in parallel, a main pipeline, a parallel pipeline and a waste liquid pipeline, the main pipeline is connected with the dialyzer, the main pipeline is connected with the parallel pipeline in parallel through a tee joint, and the perfusion device is connected with the parallel pipeline. Interception components are arranged on the main pipeline, the parallel pipeline and the waste liquid pipeline. The interception component comprises an upper hollow hemisphere and a lower hollow hemisphere, a fixing pin is arranged in an inner cavity of the lower hollow hemisphere, a pin groove is correspondingly formed in the upper hollow hemisphere, and a lifting ring is fixed to the outer side of the lower hollow hemisphere. The perfusion device and the dialyzer are connected in parallel, so that the requirements of independent pre-flushing and series pre-flushing are met, random switching of a hemodialysis treatment mode and a blood perfusion combined hemodialysis treatment mode is also realized, secondary disassembly of a pipeline and the perfusion device is not needed, and the operation process is closed. The risks of connector exposure, liquid dripping and air entering are avoided, the infection risk is greatly reduced, and the clinical operation time is effectively saved.

Description

Technical Field

[0001] The utility model relates to an integral connecting pipeline for combined artificial kidney extracorporeal circulation, in particular to a special blood perfusion integrated pipeline for a daily-installed machine. Background Art

[0002] Aquarius is a continuous blood purification device, namely a critical care blood purification system, used for various extracorporeal treatments in the field of renal replacement therapy and plasma exchange therapy. The broad-spectrum adsorbent used in hemoperfusion therapy is a neutral adsorption resin made of divinylbenzene and styrene in a special process. Its adsorption effect comes from the affinity between the adsorbed substance and the resin molecular group and the molecular sieve filtration effect of the three-dimensional network structure. It has a good adsorption effect on both medium-molecule and large-molecule substances, and has a strong adsorption effect on toxins containing benzene ring structures or lipophilic and hydrophobic groups in the molecular structure. When used in conjunction with CRRT technology, it can effectively adsorb small-molecule, medium-molecule, and large-molecule toxins in the patient's body, significantly remove inflammatory factors in the body, regulate the tension of tissue blood vessels, promote hemodynamic recovery, reshape the body's internal environment homeostasis, and further improve patient prognosis.

[0003] At present, when such patients need hemoperfusion treatment, they must connect the perfusion device and dialyzer in series through the dialysis treatment extracorporeal circulation pipeline combined with a short connecting tube. The connection pipeline needs to be disconnected multiple times during pre-flushing and mode switching during treatment. The perfusion device and dialyzer are pre-flushed separately and then flushed in series. This method has the following main problems. First, after the hemoperfusion treatment is completed, the perfusion must be unloaded before continuing the following treatment; second, once the perfusion device coagulates during the treatment, a new pipeline must be installed for pre-flushing and then put back on the machine; third, disassembling the pipeline will lead to the risk of exposed joints, liquid dripping and air entering, which greatly increases the risk of infection. Summary of the invention

[0004] In view of the above problems, the utility model provides a special blood perfusion integrated pipeline for daily-installed machines.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A special hemoperfusion integrated pipeline for daily equipment, comprising a perfusion device and a dialyzer connected in parallel in sequence, comprising a main pipeline, a parallel pipeline and a waste liquid pipeline, wherein the main pipeline is connected to the dialyzer, the main pipeline is connected to the parallel pipeline in parallel through a tee, the parallel pipeline is connected to the perfusion device, one end of the waste liquid pipeline is connected to the parallel pipeline through a tee, the other end of the waste liquid pipeline is connected to a waste liquid bag, and a retention component is arranged on the main pipeline, the parallel pipeline and the waste liquid pipeline;

[0007] The retaining component includes an upper hollow hemisphere and a lower hollow hemisphere, the upper hollow hemisphere and the lower hollow hemisphere are respectively connected to the pipeline, the upper hollow hemisphere and the lower hollow hemisphere are arranged opposite to each other, a fixing pin is provided in the inner cavity of the lower hollow hemisphere, a pin groove is correspondingly provided on the upper hollow hemisphere, and a lifting ring is fixed on the outer side of the lower hollow hemisphere.

[0008] Preferably, the inner cavity wall of the lower hollow hemisphere is further provided with liquid-stopping ridges, and the liquid-stopping ridges are respectively arranged on the inner cavity walls on the left and right sides of the fixing pin, and a plurality of the liquid-stopping ridges are arranged in parallel.

[0009] Preferably, the liquid-stopping ridge is an annular ridge, the center of the liquid-stopping ridge is on the same straight line as the center of the lower hollow hemisphere, the liquid-stopping ridges are equidistantly arranged, and there are at least two liquid-stopping ridges.

[0010] Preferably, the liquid-stopping ridge is made of an elastic material, and the cross-section of the liquid-stopping ridge is semicircular.

[0011] Preferably, the tip groove comprises a column and a groove body, the column is fixed on the upper hollow hemisphere, the groove body is arranged in the column, and the notch of the groove body is connected to the inner cavity of the upper hollow hemisphere.

[0012] Preferably, a fastening pad is fixed at the notch of the slot body, and a cross-shaped slit is arranged at the center of the fastening pad.

[0013] Preferably, the fixing pin is a truncated cone-shaped column.

[0014] Preferably, the main pipeline includes a first pipeline, a second pipeline, and a third pipeline; the parallel pipeline includes a first parallel pipeline, a second parallel pipeline, and a third parallel pipeline; the tee includes a first tee, a second tee, and a third tee;

[0015] The first pipeline is respectively connected to the second pipeline and the first parallel pipeline through a first tee, the other end of the second pipeline is connected to the second tee, the other end of the first parallel pipeline is connected to one end of the perfusion device, the other end of the perfusion device is connected to one end of the second parallel pipeline, the other end of the second parallel pipeline is connected to the waste liquid pipeline and one end of the third parallel pipeline through the third tee, the other end of the third parallel pipeline is connected to the second tee, and the second tee is connected to the dialyzer through the third pipeline; the retention components include A retention components, B retention components, C retention components, and D retention components; the A retention component is arranged on the first parallel pipeline, the B retention component is arranged on the waste liquid pipeline, the C retention component is arranged on the third parallel pipeline, and the D retention component is arranged on the second pipeline.

[0016] Preferably, the dialyzer comprises a venous interface, an arterial interface and a waste liquid interface, the third pipeline is connected to the venous interface, the arterial interface is connected to a human artery via a connecting tube, and the waste liquid interface is connected to a waste liquid bag via a pipeline.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the utility model not only meets the needs of single pre-flushing and series pre-flushing by connecting the perfusion device and the dialyzer in parallel, but also realizes the arbitrary switching of the hemodialysis and hemoperfusion combined with hemodialysis treatment modes, without the need to disassemble the pipeline and the perfusion device for a second time, and the operation process is closed. It avoids the risks of joint exposure, liquid dripping and air entry, greatly reduces the risk of infection, and effectively saves clinical operation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the connection structure of the integrated blood perfusion pipeline dedicated to the daily equipment of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the interception component of the integrated blood perfusion pipeline dedicated to the daily machine of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the interception component of an embodiment of the integrated blood perfusion pipeline dedicated to daily-use machines of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the fastening pad of the utility model. DETAILED DESCRIPTION

[0022] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 According to an embodiment of the utility model, a blood perfusion integrated pipeline dedicated to a daily-use machine comprises a perfusion device 1 and a dialyzer 2 connected in parallel in sequence, comprising a main line 100, a parallel line 200 and a waste liquid line 300, wherein the main line 100 is connected to the dialyzer 2, the main line 100 is connected to the parallel line 200 in parallel through a tee, the parallel line 200 is connected to the perfusion device 1, one end of the waste liquid line 300 is connected to the parallel line 200 through a tee, and the other end of the waste liquid line 300 is connected to a waste liquid bag 400, and a retaining component 500 is arranged on the main line 100, the parallel line 200 and the waste liquid line 300; the retaining component 500 is used to control the on-off of each pipeline, thereby meeting the needs of using the perfusion device 1 and the dialyzer 2 in parallel individually or in series.

[0024] The main pipeline 100 includes a first pipeline 110, a second pipeline 120, and a third pipeline 130; the parallel pipeline 200 includes a first parallel pipeline 210, a second parallel pipeline 220, and a third parallel pipeline 230; the tee includes a first tee 3, a second tee 4, and a third tee 5;

[0025] The first pipeline 110 is connected to the second pipeline 120 and the first parallel pipeline 210 respectively through the first tee 3, the other end of the second pipeline 120 is connected to the second tee 4, the other end of the first parallel pipeline 210 is connected to one end of the cartridge 1, the other end of the cartridge 1 is connected to one end of the second parallel pipeline 220, the other end of the second parallel pipeline 220 is connected to the waste liquid pipeline 300 and one end of the third parallel pipeline 230 through the third tee 5, the other end of the third parallel pipeline 230 is connected to the second tee 4, and the second tee 4 is connected to the dialyzer 2 through the third pipeline 130; the retention component 500 includes an A retention component, a B retention component, a C retention component, and a D retention component; the A retention component is arranged on the first parallel pipeline 210, the B retention component is arranged on the waste liquid pipeline 300, the C retention component is arranged on the third parallel pipeline 230, and the D retention component is arranged on the second pipeline 120. The retaining component 500 may be a pipe clamp.

[0026] The dialyzer 2 includes a venous interface 21, an arterial interface 22 and a waste liquid interface 23, the third pipeline 130 is connected to the venous interface 21, the arterial interface 22 is connected to a human artery through a connecting tube, and the waste liquid interface 23 is connected to a waste liquid bag through a pipeline.

[0027] The front end of the first pipeline 110 can be connected to a human vein or physiological saline to draw out human blood or perfuse and flush. When the perfusion device 1 is used alone, the A retention component and the B retention component are opened, and the C retention component and the D retention component are clamped. The liquid in the tube enters the first parallel pipeline 210 through the first pipeline 110, flows through the perfusion device 1, the second parallel pipeline 220 and the waste liquid pipeline 300 into the waste liquid bag 400, and realizes the independent perfusion of the perfusion device 1. When the dialyzer is used alone, the A retention component, the B retention component, the C retention component are clamped, and the D retention component is opened. The liquid in the tube enters the dialyzer 2 for use through the first pipeline 110, the second pipeline 120, and the third pipeline 130.

[0028] When used in combination, the A retention component and the C retention component are opened, and the B retention component and the D retention component are clamped. The liquid in the tube enters the dialyzer 2 through the first pipeline 110, the first parallel pipeline 210, the cartridge 1, the second parallel pipeline 220, the third parallel pipeline 130, and the third pipeline 130, so that the cartridge 1 and the dialyzer 2 are used in combination. Once the perfusion time is reached or the cartridge coagulates, the A retention component and the B retention component can be clamped, and the C retention component and the D retention component can be clamped. When the cartridge coagulates, the first parallel pipeline 210, the second parallel pipeline 220 and the cartridge 1 can be replaced separately at the first tee 3 and the third tee 5, and then the A retention component and the B retention component are opened, and the C retention component and the D retention component are clamped. The new cartridge 1 is pre-flushed with physiological saline without affecting the treatment. After the pre-flushing is completed, the B retention component is clamped, and the C retention component is opened to continue the treatment.

[0029] The utility model connects the perfusion device 1 and the dialyzer 2 in parallel, which not only meets the needs of single pre-flushing and series pre-flushing, but also realizes the arbitrary switching of hemodialysis and hemoperfusion combined with hemodialysis treatment modes, without the need to disassemble the pipeline and the perfusion device for a second time, and the operation process is closed. The risks of joint exposure, liquid dripping and air entry are avoided, the risk of infection is greatly reduced, and the clinical operation time is effectively saved.

[0030] The retaining component 500 includes an upper hollow hemisphere 510 and a lower hollow hemisphere 520. The upper hollow hemisphere 510 and the lower hollow hemisphere 520 are connected to the pipeline respectively. The upper hollow hemisphere 510 and the lower hollow hemisphere 520 are arranged opposite to each other. The upper and lower hollow hemispheres are arranged concentrically. A fixing pin 521 is arranged in the inner cavity of the lower hollow hemisphere 520. A pin groove 530 is correspondingly arranged on the upper hollow hemisphere 510. A lifting ring 540 is fixed on the outer side of the lower hollow hemisphere 520. The fixing pin 521 can be made of elastic material to ensure that when the retaining component 500 is closed, it can be better embedded in the pin groove 530 to fix it and prevent it from falling off. The retaining component 500 can be integrated on the perfusion pipeline, and the upper hollow hemisphere 510 and the lower hollow hemisphere 520 are made of medical soft plastic. When in use, the lower hollow hemisphere 520 can be pressed to deform it, and the fixed pin 521 can be fixed in the pin groove 530. The inner cavity wall of the lower hollow hemisphere 520 contacts the inner cavity wall of the upper hollow hemisphere 510 to achieve the sealing of the pipeline. When it needs to be opened, the lower hollow hemisphere 520 is pulled outward by the lifting ring 540, and the fixed pin 521 is separated from the pin groove 530 to achieve opening. The structure is simple and the operation is simple and convenient.

[0031] The inner wall of the lower hollow hemisphere 520 is also provided with a liquid-stopping ridge 522, which is respectively arranged on the inner wall of the left and right sides of the fixing pin, and a plurality of the liquid-stopping ridges 522 are arranged in parallel. The liquid-stopping ridges 522 are arranged to ensure that the liquid-stopping ridges 522 are in close contact with the upper hollow hemisphere 510, so that when closed, the sealing performance is good, liquid is prevented from passing through, and liquid is effectively trapped.

[0032] The liquid-stopping ridge 522 is an annular ridge, the center of which is in the same straight line as the center of the lower hollow hemisphere 520, and the liquid-stopping ridges 522 are arranged equidistantly, and there are at least two liquid-stopping ridges 522. While ensuring the interception, the support for the lower hollow hemisphere 520 can also be ensured, the strength of the lower hollow hemisphere 520 can be improved, and the deformation of the lower hollow hemisphere 520 caused by operations such as pulling can be avoided, thereby affecting the interception effect.

[0033] The liquid-stopping ridge 522 is made of elastic material, and the cross section of the liquid-stopping ridge 522 is semicircular. The semicircular ridge can better fit the inner cavity wall of the hollow hemisphere 510 to achieve better sealing and interception effects.

[0034] The pin slot 530 includes a column 531 and a slot 532. The column 531 is fixed on the upper hollow hemisphere 510. The slot 532 is arranged in the column 531. The slot of the slot 532 is connected to the inner cavity of the upper hollow hemisphere 510. It is ensured that the fixing pin 521 can be fixed in the slot 532.

[0035] In one embodiment, if Figure 3 and Figure 4 The fastening pad 550 is fixed at the notch of the groove body 532, and a "cross" shaped slit 551 is set at the center of the fastening pad 550. When in use, the fixing pin can contact the cross shaped slit 551 to open it, so as to enter the groove body 532, and the fastening pad 550 can fit the fixing pin 521 tightly to prevent the fixing pin 521 from falling off, so that the fixing pin 521 can be more effectively fixed in the groove body 532, ensuring the clamping effect and preventing automatic opening, which is suitable for use with higher liquid pressure.

[0036] The fixing pin 521 is a truncated cone-shaped column, which ensures that the fixing pin 521 can enter the slot body 532 more easily.

[0037] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A blood perfusion integrated pipeline for daily equipment, comprising a perfusion device and a dialyzer connected in parallel, characterized in that: It comprises a main line, a parallel line and a waste liquid line, wherein the main line is connected to the dialyzer, the main line is connected to the parallel line in parallel via a tee, the parallel line is connected to the perfusion device, one end of the waste liquid line is connected to the parallel line via a tee, the other end of the waste liquid line is connected to a waste liquid bag, and a retention component is arranged on the main line, the parallel line and the waste liquid line; The retaining component includes an upper hollow hemisphere and a lower hollow hemisphere, the upper hollow hemisphere and the lower hollow hemisphere are respectively connected to the pipeline, the upper hollow hemisphere and the lower hollow hemisphere are arranged opposite to each other, a fixing pin is provided in the inner cavity of the lower hollow hemisphere, a pin groove is correspondingly provided on the upper hollow hemisphere, and a lifting ring is fixed on the outer side of the lower hollow hemisphere.

2. The integrated blood perfusion pipeline for daily-use equipment as claimed in claim 1, characterized in that: The inner cavity wall of the lower hollow hemisphere is also provided with liquid-stopping ridges, which are respectively arranged on the inner cavity walls on the left and right sides of the fixing pin, and a plurality of the liquid-stopping ridges are arranged in parallel.

3. The integrated blood perfusion pipeline for daily-use equipment as claimed in claim 2, characterized in that: The liquid-stopping ridge is an annular ridge, the center of the liquid-stopping ridge is on the same straight line as the center of the lower hollow hemisphere, the liquid-stopping ridges are arranged at equal distances, and there are at least two liquid-stopping ridges.

4. The integrated blood perfusion pipeline for daily use as claimed in claim 2, characterized in that: The liquid-stopping ridge is made of elastic material, and the cross section of the liquid-stopping ridge is semicircular.

5. The integrated blood perfusion pipeline for daily-use equipment as claimed in claim 1, characterized in that: The tip groove comprises a column and a groove body, wherein the column is fixed on the upper hollow hemisphere, the groove body is arranged in the column, and the notch of the groove body is connected with the inner cavity of the upper hollow hemisphere.

6. The integrated blood perfusion pipeline for daily-use equipment as claimed in claim 5, characterized in that: A fastening pad is fixed at the notch of the slot body, and a "cross" shaped slit is arranged at the center of the fastening pad.

7. The integrated blood perfusion pipeline for daily use as claimed in claim 5, characterized in that: The fixing pin is a truncated cone-shaped column.

8. The integrated blood perfusion pipeline for daily use as claimed in claim 1, characterized in that: The main pipeline includes a first pipeline, a second pipeline, and a third pipeline; the parallel pipeline includes a first parallel pipeline, a second parallel pipeline, and a third parallel pipeline; the tee includes a first tee, a second tee, and a third tee; The first pipeline is respectively connected to the second pipeline and the first parallel pipeline through a first tee, the other end of the second pipeline is connected to the second tee, the other end of the first parallel pipeline is connected to one end of the perfusion device, the other end of the perfusion device is connected to one end of the second parallel pipeline, the other end of the second parallel pipeline is connected to the waste liquid pipeline and one end of the third parallel pipeline through the third tee, the other end of the third parallel pipeline is connected to the second tee, and the second tee is connected to the dialyzer through the third pipeline; the retention components include A retention components, B retention components, C retention components, and D retention components; the A retention component is arranged on the first parallel pipeline, the B retention component is arranged on the waste liquid pipeline, the C retention component is arranged on the third parallel pipeline, and the D retention component is arranged on the second pipeline.

9. The integrated blood perfusion pipeline for daily use as claimed in claim 8, characterized in that: The dialyzer comprises a venous interface, an arterial interface and a waste liquid interface, the third pipeline is connected to the venous interface, the arterial interface is connected to a human artery via a connecting tube, and the waste liquid interface is connected to a waste liquid bag via a pipeline.

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