CN210542633U - Hemodialysis pipeline capable of emptying without separating puncture needle - Google Patents
Hemodialysis pipeline capable of emptying without separating puncture needle Download PDFInfo
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- CN210542633U CN210542633U CN201920448861.4U CN201920448861U CN210542633U CN 210542633 U CN210542633 U CN 210542633U CN 201920448861 U CN201920448861 U CN 201920448861U CN 210542633 U CN210542633 U CN 210542633U
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- 230000000322 hemodialysis Effects 0.000 title claims abstract description 29
- 210000003462 vein Anatomy 0.000 claims abstract description 127
- 210000001367 artery Anatomy 0.000 claims abstract description 123
- 238000000502 dialysis Methods 0.000 claims abstract description 115
- 239000008280 blood Substances 0.000 claims abstract description 102
- 210000004369 blood Anatomy 0.000 claims abstract description 102
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract description 19
- 210000001503 joint Anatomy 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 16
- 239000007788 liquid Substances 0.000 description 14
- 238000007789 sealing Methods 0.000 description 13
- 230000006835 compression Effects 0.000 description 9
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- 230000002441 reversible effect Effects 0.000 description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
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- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
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- 210000003734 kidney Anatomy 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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Abstract
The utility model belongs to the field of medical appliances, in particular to a hemodialysis pipeline without a separation puncture needle for evacuation, wherein an arterial blood path is connected with an arterial auxiliary connecting pipe through an arterial tee joint, a venous blood path is connected with a venous auxiliary connecting pipe through a venous tee joint, a first connecting structure is arranged at the top end opening of the arterial auxiliary connecting pipe, and a second connecting structure matched with the first connecting structure is arranged at the top end opening of the venous auxiliary connecting pipe; pipeline clamps are arranged on the artery auxiliary connecting pipe and the artery auxiliary connecting pipe; the first connecting structure and the second connecting structure adopt matched detachable connecting structures. The utility model has the advantages that: simple structure, reasonable in design, under the unchangeable prerequisite on the whole to remaining original dialysis pipeline, the port department in artery blood way and vein blood way increases two butt joint pipelines, carries out dialysis pipeline and the evacuation pollution reduction in the cerini dialyser cerini membrane after forming closed circulation pipeline through the butt joint pipeline junction, reduces work load, increases work efficiency.
Description
Technical Field
The utility model belongs to the field of medical appliances, especially, relate to a evacuation need not hemodialysis pipeline of separation pjncture needle.
Background
Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute and chronic renal failure. Blood pump machinery wriggles through with internal blood drainage to external, draw patient's blood from internal and send into the cerini dialyser cerini through the blood way pipe after, the cerini dialyser cerini comprises innumerable hollow fiber, blood and the similar electrolyte solution (dislysate) of containing organism concentration are inside and outside a hollow fiber in the cerini dialyser cerini, carry out the material exchange through dispersion, ultrafiltration, absorption and convection principle, internal metabolic waste is clear away, maintain electrolyte and acid-base balance, the realization is purified, clear away internal too much moisture simultaneously, blood after the purification enters into the vein kettle that has the filter screen through the blood way pipe, the whole process that blood returned to the human body along the pipeline after air and blood clot are held back to through the vein kettle is called hemodialysis.
At present, most hospital blood purification centers use disposable consumables, and dialysis blood return adopts closed blood return. The used dialyzers, blood pipelines and puncture needles belong to polluted medical wastes, and should be timely recycled and classified into special packages or closed containers for preventing leakage and penetration of sharp instruments for incineration treatment. The blood pipeline and the dialyzer are still filled with the saline waste liquid containing blood after blood returns to the machine, the traditional liquid discharge method only utilizes the function of the emptying dialyzer of the machine to discharge the dialysate outside the membrane of the dialyzer, and the saline waste liquid containing blood in the blood pipeline and the dialyzer is treated together with the dialyzer and the blood pipeline because the saline waste liquid containing blood cannot be discharged, so that the weight of medical waste is increased, and the workload and the expense of the medical waste treatment cost of hospital departments are increased.
The evacuation of dialysis pipelines and dialyzer membranes is gradually popularized, some provincial SOPs have stipulated that the evacuation of dialysis pipelines and dialyzer membranes must be carried out, and the mandatory requirement on waste liquid discharge is met in the 4-month long-sand blood purification nursing year in 2017. The current operation is that hemodialysis returns the blood after, must separate artery pjncture needle pipeline and artery end dialysis pipeline, reseparation vein pjncture needle pipeline and vein end dialysis pipeline, then the quiet end that moves of dialysis pipeline is docked through the connecting pipe, carry out evacuation in dialysis pipeline and the cerini dialyser cerini membrane behind the formation closed circulation pipeline, separation pjncture needle pipeline and dialysis pipeline, after-separation pjncture needle pipeline has the blood of depositing and can not get the evacuation and handle, blood in the pjncture needle pipeline after-separation overflows, the polluted environment, and the step is loaded down with trivial details, increase nurse's work load, reduce work efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a evacuation does not need to separate the hemodialysis pipeline of pjncture needle.
The technical scheme of the utility model: a hemodialysis pipeline without a separation puncture needle for evacuation comprises an arterial blood path, a dialyzer and a venous blood path which are sequentially connected, and is characterized by further comprising an arterial tee joint, a venous tee joint, an arterial auxiliary connecting pipe and a venous auxiliary connecting pipe, wherein the arterial blood path is connected with the arterial auxiliary connecting pipe through the arterial tee joint, the venous blood path is connected with the venous auxiliary connecting pipe through the venous tee joint, a first connecting structure is arranged at an opening at the top end of the arterial auxiliary connecting pipe, and a second connecting structure matched with the first connecting structure is arranged at an opening at the top end of the venous auxiliary connecting pipe; and the artery auxiliary connecting pipe and the vein auxiliary connecting pipe are both provided with pipeline clamps.
Preferably, the first connecting structure and the second connecting structure adopt matched detachable connecting structures.
Preferably, the arterial blood path comprises an arterial dialysis connecting tube and an arterial puncture tube which are connected in sequence; the venous blood path comprises a venous dialysis connecting pipe and a venipuncture pipe which are connected in sequence.
Preferably, the arterial tee is arranged on the arterial dialysis connecting pipe; the venous tee is arranged on the venous dialysis connecting pipe.
Preferably, the arterial tree is disposed on the arterial puncture tube; the vein tee is arranged on the venipuncture tube.
Preferably, a first path of the arterial triplet is connected with the arterial dialysis connecting pipe, a second path of the arterial triplet is connected with the arterial puncture pipe, and a third path of the arterial triplet is connected with the arterial auxiliary connecting pipe;
the first path of the vein tee joint is connected with the vein dialysis connecting pipe, the second path of the vein tee joint is connected with the vein puncture pipe, and the third path of the vein tee joint is connected with the vein auxiliary connecting pipe.
Preferably, the first passage of the artery tee joint and the artery dialysis connecting pipe are integrally formed, the artery tee joint and the artery puncture pipe are connected through a detachable connecting structure, and the third passage of the artery tee joint and the artery auxiliary connecting pipe are integrally formed;
vein tee bend's first route with hemodialysis connecting pipe integrated into one piece, the vein tee bend with the vein puncture pipe is connected through dismantling connection structure, vein tee bend's third route and vein auxiliary connection pipe integrated into one piece.
Preferably, the arterial tee is disposed at a distal end of the arterial puncture tube and the venous tee is disposed at a distal end of the venous puncture tube.
Preferably, the first passage and the second passage of the artery tee joint are communicated with the artery puncture tube, the third passage of the artery tee joint is connected with the artery auxiliary connecting tube, and a pipeline clamp is arranged between the artery tee joint and the artery puncture needle;
the first path and the second path of the vein tee joint are connected with the vein puncture tube for communication, the third path of the vein tee joint is connected with the vein auxiliary connecting tube, and a pipeline clamp is arranged between the vein tee joint and the vein puncture needle. .
Preferably, the detachable connecting section is a threaded section or a snap-fit connecting section.
The utility model has the advantages of simple structure, reasonable design, no need of separating the artery puncture needle pipeline and the artery end dialysis pipeline/the vein puncture needle pipeline and the vein end dialysis pipeline on the premise of keeping the original dialysis pipeline substantially unchanged, no need of additionally preparing the connecting pipe for connecting the movable end and the static end of the dialysis pipeline for operation and connection twice to form a closed circulation pipeline, the application adds two butt-joint pipelines, namely the artery auxiliary connecting pipe and the vein auxiliary connecting pipe, at the port parts of the artery blood pipeline and the vein blood pipeline, forms a closed circulation pipeline through the detachable connecting structure of the first connecting structure and the second connecting structure at the connecting parts of the artery auxiliary connecting pipe and the vein auxiliary connecting pipe, avoids the procedure of preparing the connecting pipe before emptying, and can form the closed circulation pipeline only by connecting the first connecting structure and the second connecting structure once, then, the dialysis pipeline and the dialyzer membrane are emptied, so that the blood in the pipeline is avoided, the pollution is reduced, the workload is reduced, and the working efficiency is increased.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic view illustrating the use of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a first connection structure provided with a seal protection cap according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a first connection structure and a second connection structure of embodiment 1 of the present invention;
fig. 5 is an installation diagram of the first connection structure and the second connection structure of embodiment 1 of the present invention;
fig. 6 is a schematic structural view of embodiment 2 of the present invention.
Fig. 7 is an installation diagram of the first connection structure and the second connection structure of embodiment 2 of the present invention;
in the figure: 1. an arterial blood path, 1-1 an arterial dialysis connecting pipe, 1-2 an arterial puncture pipe, 2 a dialyzer, 2-1 an arterial access port, 2-2 a venous access port, 3 a venous blood path, 3-1 a venous dialysis connecting pipe, 3-2 a venous puncture pipe, 4 a pipeline clamp, 5 an arterial tee joint, 6 a venous tee joint, 7 an arterial auxiliary connecting pipe, 8 a venous auxiliary connecting pipe, 9 a first connecting structure, 9-1 a first inner ring, 9-2 a buckle fixing part, 9-3 an inclined plane, 9-4 a groove, 9-5 an elastic layer, 10 a second connecting structure, 10-1 a second inner ring, 10-2 a buckle part, 10-3 a compression spring, 11 an arterial puncture needle and 12 a venous puncture needle, sealing the protective cap.
Detailed Description
An embodiment of the present invention will be described with reference to the accompanying drawings.
The utility model relates to a blood dialysis pipeline without separating puncture needle during evacuation, including the artery blood way 1, the cerini dialyser cerini 2, the vein blood way 3 that connect gradually, artery blood way 1, the vein blood way 3 respectively with the 2-1 of cerini dialyser cerini 2 artery access mouth, 2-2 vein access mouth is connected, still include artery tee bend 5, vein tee bend 6, artery auxiliary connection pipe 7, vein auxiliary connection pipe 8, connect artery auxiliary connection pipe 7 through artery tee bend 5 on the artery blood way 1, vein blood way 3 connects vein auxiliary connection pipe 8 through vein tee bend 6, artery auxiliary connection pipe 7 top end opening part sets up first connection structure 9, vein auxiliary connection pipe 8 top end opening part sets up second connection structure 10 with first connection structure 9 assorted; the artery auxiliary connecting pipe 7 and the artery auxiliary connecting pipe 7 are both provided with the pipeline clamps 4, the problem of blood storage possibly caused in the dialysis process is solved, the pipeline clamps 4 are kept in a clamping state in the dialysis process, blood leakage in the dialysis process is prevented, sealing protective caps 13 can be arranged outside the first connecting structure 9 and the second connecting structure 10, pipelines are further sealed, the sealing protective caps 13 are in threaded connection with the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8, and the first connecting structure 9 and the second connecting structure 10 are protected. Overall structure is simple, reasonable in design, under the unchangeable prerequisite on the whole to remaining original dialysis pipeline, the port department in artery blood way and vein blood way increases two butt joint pipelines, carries out evacuation in dialysis pipeline and the cerini dialyser cerini membrane after forming closed circulation pipeline through the butt joint pipeline junction, and pollution abatement reduces work load, increases work efficiency.
The first connecting structure 9 and the second connecting structure 10 adopt matched detachable connecting structures, and the connection is convenient and fast. After the first connecting structure 9 and the second connecting structure 10 are connected, the arterial blood path 1, the dialyzer 2 and the venous blood path 3 form a closed path, and then the dialysis pipelines including (the arterial blood path 1 and the venous blood path 3) and the dialyzer 2 membrane are emptied by the existing dialysis machine.
The arterial blood path 1 comprises an arterial dialysis connecting pipe 1-1 and an arterial puncture pipe 1-2 which are connected in sequence; the venous blood path 3 comprises a venous dialysis connecting pipe 3-1 and a venipuncture pipe 3-2 which are connected in sequence.
The artery tee joint 5 is arranged on the artery dialysis connecting pipe 1-1; the venous three-way valve 6 is arranged on the venous dialysis connecting pipe 3-1. After the first connecting structure 9 is connected with the second connecting structure 10, the arterial dialysis connecting pipe 1-1, the dialyzer 2 and the venous dialysis connecting pipe 3-1 form a closed passage, and then the dialysis pipelines (the arterial dialysis connecting pipe 1-1 and the venous dialysis connecting pipe 3-1) and the dialyzer 2 are emptied by the existing dialysis machine.
The artery tee joint 5 is arranged on the artery puncture tube 1-2; the venous tee 6 is arranged on the venipuncture tube 3-2. After the first connecting structure 9 is connected with the second connecting structure 10, the arterial dialysis connecting pipe 1-1, the dialyzer 2 and the venous dialysis connecting pipe 3-1 form a closed passage, and then the dialysis pipelines including the arterial puncture pipe 1-2, the arterial dialysis connecting pipe 1-1, the venous dialysis connecting pipe 3-1 and the venous puncture pipe 3-2 and the dialyzer 2 are emptied through the conventional dialysis machine.
A first path of the artery tee joint 5 is connected with an artery dialysis connecting pipe 1-1, a second path of the artery tee joint 5 is connected with an artery puncture pipe 1-2, and a third path of the artery tee joint 5 is connected with an artery auxiliary connecting pipe 7;
the first path of the venous tee joint 6 is connected with the venous dialysis connecting pipe 3-1, the second path of the venous tee joint 6 is connected with the venipuncture pipe 3-2, and the third path of the venous tee joint 6 is connected with the auxiliary venous connecting pipe 8.
The first passage of the artery tee joint 5 and the artery dialysis connecting pipe 1-1 are integrally formed, the structure is simple, the production and the realization are easy, the artery tee joint 5 and the artery puncture pipe 1-2 are connected through a detachable connecting structure, the third passage of the artery tee joint 5 and the artery auxiliary connecting pipe 7 are integrally formed, the structure is simple, and the production and the realization are easy; the artery puncture tube 1-2 is provided with a pipeline clamp.
The first passage of the vein tee joint 6 and the vein dialysis connecting pipe 3-1 are integrally formed, the structure is simple, the production and the realization are easy, the vein tee joint 6 and the vein puncture pipe 3-2 are connected through a detachable connecting structure, and the third passage of the vein tee joint 5 and the vein auxiliary connecting pipe 8 are integrally formed, the structure is simple, and the production and the realization are easy. The venipuncture tube 3-2 is provided with a pipeline clamp.
The artery tee joint 5 is arranged at the tail end of the artery puncture tube 1-2, and the vein tee joint 6 is arranged at the tail end of the vein puncture tube 3-2.
A first passage and a second passage of the artery tee joint 5 are communicated with the tail end of the artery puncture tube 1-2, and a third passage of the artery tee joint 5 is connected with an artery auxiliary connecting tube 7; a pipeline clamp 4 is arranged between the artery tee joint 5 and the artery puncture needle 11 so as to form a closed circulation pipeline;
a first passage and a second passage of the vein tee joint 6 are connected with the tail end of a vein puncture tube 3-2, the vein tee joint 6 is connected with a vein puncture needle 12, a third passage of the vein tee joint 6 is connected with a vein auxiliary connecting tube 8, a pipeline clamp 4 and a closed circulation pipeline are arranged between the vein tee joint 6 and the vein puncture needle 12;
the detachable connecting section is a threaded section or a buckling connecting section.
The detachable connecting sections of the first connecting structure 9 and the second connecting structure 10 adopt matched internal and external thread sections, namely the first connecting structure 9 adopts external threads, the matched second connecting structure 10 adopts internal threads, the first connecting structure 9 and the second connecting structure 10 rotate relatively to realize connection through the thread sections, and the second connecting structure 10 of the reverse first connecting structure 9 realizes detachment. The artery tee joint 5 is connected with the artery puncture tube 1-2 through a detachable connection structure, the vein tee joint 6 is connected with the vein puncture tube 3-2 through a detachable connection structure, and the condition is similar to the detachable connection section structure of the first connection structure 9 and the second connection structure 10.
Or the first connecting structure 9 and the second connecting structure 10 on the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 adopt detachable connecting sections, specifically adopt matched buckle connecting sections, and are similar to water hose interfaces between fire hoses, the inner wall of the first connecting structure 9 is connected with a first inner ring 9-1, the inner wall of the second connecting structure 10 is connected with a second inner ring 10-1, the first inner ring 9-1 and the second inner ring 10-1 are matched in an inclined plane mode, the second connecting structure 10 is provided with a buckle piece 10-2, the tail end of the buckle piece 10-2 is connected with the outer wall of the second connecting structure 10, a compression spring 10-3 is arranged between the middle part of the buckle piece 10-2 and the outer wall of the second connecting structure 10, the outer wall of the first connecting structure 9 is provided with a buckle fixing part 9-2, the buckle fixing part 9-2 is provided with an inclined plane 9-3 for the head part of the buckle piece to slide, the tail end of the inclined surface 9-3 is provided with a groove 9-4 for accommodating the head of the fastener 10-2. When the head of the buckle 10-2 moves along the inclined plane of the buckle fixing part 9-2 during connection, the compression spring 10-3 is compressed, and when the head of the buckle 10-2 enters the groove 9-4 on the buckle fixing part 9-2, the compression spring 10-3 exerts an upward acting force on the buckle 10-2, so that the head of the buckle 10-2 is firmly fixed in the groove 9-4, and finally the connection purpose is achieved. When the first connecting structure 9 and the second connecting structure 10 need to be disassembled, the buckle piece 10-2 needs to be compressed inwards, and the head of the buckle piece 10-2 moves along the reverse direction of the inclined surface 9-3 of the buckle fixing part 9-2, so that the disassembly and the assembly are convenient.
The length of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 7.5-8.5cm, and the diameter of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 0.4-0.6 cm.
Compared with the prior art, the closed circulation pipeline is simple in structure and reasonable in design, on the premise that the original dialysis pipeline is kept unchanged, the closed circulation pipeline can be formed without separating the artery puncture needle pipeline and the artery end dialysis pipeline/vein puncture needle pipeline and the vein end dialysis pipeline and additionally preparing the connecting pipe for connecting the movable end and the static end of the dialysis pipeline in a butt joint mode for two times, two butt joint pipelines, namely the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8, are added at the port positions of the artery blood pipeline and the vein blood pipeline, the closed circulation pipeline is formed through the detachable connecting structure of the first connecting structure 9 and the second connecting structure 10 at the connecting position of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8, the procedure of preparing the connecting pipes before emptying is avoided, and the closed circulation pipeline can be formed only by connecting the first connecting structure 9 and the second connecting structure 10 once, then, the dialysis pipeline and the dialyzer membrane are emptied, so that the blood in the pipeline is avoided, the pollution is reduced, the workload is reduced, and the working efficiency is increased.
Example 1
A hemodialysis pipeline without a separation puncture needle for evacuation comprises an arterial blood path 1, a dialyzer 2 and a venous blood path 3 which are sequentially connected, wherein the arterial blood path 1 and the venous blood path 3 are respectively connected with 2-1 arterial access ports and 2-2 venous access ports of the dialyzer 2, the hemodialysis pipeline further comprises an arterial tee joint 5, a venous tee joint 6, an arterial auxiliary connecting pipe 7 and a venous auxiliary connecting pipe 8, the arterial blood path 1 is connected with the arterial auxiliary connecting pipe 7 through the arterial tee joint 5, the venous blood path 3 is connected with the venous auxiliary connecting pipe 8 through the venous tee joint 6, a first connecting structure 9 is arranged at an opening at the top end of the arterial auxiliary connecting pipe 7, and a second connecting structure 10 matched with the first connecting structure 9 is arranged at an opening at the top end of the venous auxiliary connecting pipe 8; the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 7 are both provided with the pipeline clamps 4, the pipeline clamps 4 are kept in a clamping state in the dialysis process, blood leakage in the dialysis process is prevented, sealing protective caps can be arranged outside the first connecting structure 9 and the second connecting structure 10, pipelines are further sealed, the sealing protective caps are in threaded connection with the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8, and meanwhile the first connecting structure 9 and the second connecting structure 10 are also protected. Overall structure is simple, reasonable in design, under the unchangeable prerequisite on the whole to remaining original dialysis pipeline, the port department in artery blood way and vein blood way increases two butt joint pipelines, carries out evacuation in dialysis pipeline and the cerini dialyser cerini membrane after forming closed circulation pipeline through the butt joint pipeline junction, and pollution abatement reduces work load, increases work efficiency.
The first connecting structure 9 and the second connecting structure 10 adopt matched detachable connecting structures, and the connection is convenient and fast. After the first connecting structure 9 and the second connecting structure 10 are connected, the arterial blood path 1, the dialyzer 2 and the venous blood path 3 form a closed path, and then the dialysis pipelines including (the arterial blood path 1 and the venous blood path 3) and the dialyzer 2 membrane are emptied by the existing dialysis machine.
The arterial blood path 1 comprises an arterial dialysis connecting pipe 1-1 and an arterial puncture pipe 1-2 which are connected in sequence; the venous blood path 3 comprises a venous dialysis connecting pipe 3-1 and a venipuncture pipe 3-2 which are connected in sequence.
The artery tee joint 5 is arranged on the artery dialysis connecting pipe 1-1; the venous three-way valve 6 is arranged on the venous dialysis connecting pipe 3-1. After the first connecting structure 9 is connected with the second connecting structure 10, the arterial dialysis connecting pipe 1-1, the dialyzer 2 and the venous dialysis connecting pipe 3-1 form a closed passage, and then the dialysis pipelines (the arterial dialysis connecting pipe 1-1 and the venous dialysis connecting pipe 3-1) and the dialyzer 2 are emptied by the existing dialysis machine.
The artery tee joint 5 is arranged on the artery puncture tube 1-2; the venous tee 6 is arranged on the venipuncture tube 3-2. After the first connecting structure 9 is connected with the second connecting structure 10, the arterial dialysis connecting pipe 1-1, the dialyzer 2 and the venous dialysis connecting pipe 3-1 form a closed passage, and then the dialysis pipelines including the arterial puncture pipe 1-2, the arterial dialysis connecting pipe 1-1, the venous dialysis connecting pipe 3-1 and the venous puncture pipe 3-2 and the dialyzer 2 are emptied through the conventional dialysis machine.
A first path of the artery tee joint 5 is connected with an artery dialysis connecting pipe 1-1, a second path of the artery tee joint 5 is connected with an artery puncture pipe 1-2, and a third path of the artery tee joint 5 is connected with an artery auxiliary connecting pipe 7;
the first path of the venous tee joint 6 is connected with the venous dialysis connecting pipe 3-1, the second path of the venous tee joint 6 is connected with the venipuncture pipe 3-2, and the third path of the venous tee joint 6 is connected with the auxiliary venous connecting pipe 8.
The first passage of the artery tee joint 5 is integrally formed with the artery dialysis connecting pipe 1-1, the artery tee joint 5 is connected with the artery puncture pipe 1-2 through a detachable connecting structure, and the third passage of the artery tee joint 5 is integrally formed with the artery auxiliary connecting pipe 7; the artery puncture tube 1-2 is provided with a pipeline clamp. A pipeline clamp 4 is arranged between the artery tee joint 5 and the artery puncture needle 11 and is close to the artery tee joint 5 so as to form a closed circulation pipeline;
the first path of the vein tee joint 6 is integrally formed with the vein dialysis connecting pipe 3-1, the vein tee joint 6 is connected with the vein puncture pipe 3-2 through a detachable connecting structure, and the third path of the vein tee joint 5 is integrally formed with the vein auxiliary connecting pipe 8. The venipuncture tube 3-2 is provided with a pipeline clamp. A pipeline clamp 4 is arranged between the venous tee joint 6 and the venous puncture needle 12 and is close to the venous tee joint 6 so as to form a closed circulation pipeline.
The length of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 8cm, and the diameter of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 0.5 cm.
The detachable connecting section is a threaded section or a buckling connecting section. The detachable connecting sections of the first connecting structure 9 and the second connecting structure 10 adopt matched internal and external thread sections, namely the first connecting structure 9 adopts external threads, the matched second connecting structure 10 adopts internal threads, the first connecting structure 9 and the second connecting structure 10 rotate relatively to realize connection through the thread sections, and the second connecting structure 10 of the reverse first connecting structure 9 realizes detachment. The artery tee joint 5 is connected with the artery puncture tube 1-2 through a detachable connection structure, the vein tee joint 6 is connected with the vein puncture tube 3-2 through a detachable connection structure, and the condition is similar to the detachable connection section structure of the first connection structure 9 and the second connection structure 10.
This application increases two butt joint pipelines at the port department in artery blood way and vein blood way and artery auxiliary connection pipe 7 promptly, vein auxiliary connection pipe 8, through to artery auxiliary connection pipe 7, the first connection structure 9 of vein auxiliary connection pipe 8 junction and the detachable connection structure of second connection structure 10 form closed circulation pipeline, need prepare the procedure of connecting pipe before avoiding the evacuation, and only need first connection structure 9 and second connection structure 10 to connect once and can form closed circulation pipeline, the evacuation in back dialysis pipeline and the cerini dialyser cerini, avoid the pipeline to deposit blood, pollution abatement, reduce work load, increase work efficiency.
Use example: the emptying process of the hemodialysis machine with Weigao DBB-27C is specifically used: the Firsen DBB-27C hemodialysis starts the evacuation frame from taking the blood evacuation function, has corresponding operation interface and safety protection occasionally when using, need not too much artificial intervention.
1. After treatment is finished, the first connecting structure 9 is connected with the second connecting structure 10, and the arterial dialysis connecting pipe 1-1, the dialyzer 2 and the venous dialysis connecting pipe 3-1 form a closed passage to form closed circulation;
2. the arterial dialysis connecting pipe 1-1, the venous dialysis connecting pipe 3-1, the arterial auxiliary connecting pipe 7 and the arterial auxiliary connecting pipe 8 are all provided with a pipeline clamp 4, the pipeline clamp is in an open state, and the whole set of pipeline is in a smooth and circulatable state;
3. the pipeline clamps on the arterial puncture tube 1-2 and the venous puncture tube 3-2 are in a clamping state.
4. Long pressing of the [ drainage ] key;
5. the machine pops up a blood pipeline drainage picture and presses an [ operation ] key;
6. the blood pump is started (the pump speed is 200ml/min), the dialysis pipeline drainage is started, when the dialysis liquid pressure is less than-450 mmHg or the drainage time reaches 150 seconds, the automatic stopping is realized, and a clinical operator can stop the program at any time;
7. after the liquid drainage of the dialysis pipeline is finished, performing dialysate side liquid drainage;
8. after the dialysate side is emptied, the upper interface of the dialyzer is noted to be upward, so that the residual liquid is prevented from dripping out;
9. taking an original sealing cap of the dialyzer, and sealing the dialyzer;
10. after the operation is finished, the pipelines are arranged and bagged according to the treatment flow and requirements of the medical waste.
11. The machine was disinfected internally and wiped externally as specified.
Example 2
A hemodialysis pipeline without a separation puncture needle for evacuation comprises an arterial blood path 1, a dialyzer 2 and a venous blood path 3 which are sequentially connected, wherein the arterial blood path 1 and the venous blood path 3 are respectively connected with 2-1 arterial access ports and 2-2 venous access ports of the dialyzer 2, the hemodialysis pipeline further comprises an arterial tee joint 5, a venous tee joint 6, an arterial auxiliary connecting pipe 7 and a venous auxiliary connecting pipe 8, the arterial blood path 1 is connected with the arterial auxiliary connecting pipe 7 through the arterial tee joint 5, the venous blood path 3 is connected with the venous auxiliary connecting pipe 8 through the venous tee joint 6, a first connecting structure 9 is arranged at an opening at the top end of the arterial auxiliary connecting pipe 7, and a second connecting structure 10 matched with the first connecting structure 9 is arranged at an opening at the top end of the venous auxiliary connecting pipe 8; the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 7 are both provided with the pipeline clamps 4, the pipeline clamps 4 are kept in a clamping state in the dialysis process, blood leakage in the dialysis process is prevented, sealing protective caps can be arranged outside the first connecting structure 9 and the second connecting structure 10, pipelines are further sealed, the sealing protective caps are in threaded connection with the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8, and meanwhile the first connecting structure 9 and the second connecting structure 10 are also protected. Overall structure is simple, reasonable in design, under the unchangeable prerequisite on the whole to remaining original dialysis pipeline, the port department in artery blood way and vein blood way increases two butt joint pipelines, carries out evacuation in dialysis pipeline and the cerini dialyser cerini membrane after forming closed circulation pipeline through the butt joint pipeline junction, and pollution abatement reduces work load, increases work efficiency.
The arterial blood path 1 comprises an arterial dialysis connecting pipe 1-1 and an arterial puncture pipe 1-2 which are connected in sequence; the venous blood path 3 comprises a venous dialysis connecting pipe 3-1 and a venipuncture pipe 3-2 which are connected in sequence.
The artery tee joint 5 is arranged at the tail end of the artery puncture tube 1-2, and the vein tee joint 6 is arranged at the tail end of the vein puncture tube 3-2.
A first passage and a second passage of the artery tee joint 5 are communicated with the tail end of the artery puncture tube 1-2, and a third passage of the artery tee joint 5 is connected with an artery auxiliary connecting tube 7; a pipeline clamp 4 is arranged between the artery tee joint 5 and the artery puncture needle 11 and is close to the artery tee joint 5 so as to form a closed circulation pipeline;
a first passage and a second passage of the vein tee joint 6 are connected with the tail end of a vein puncture tube 3-2, the vein tee joint 6 is connected with a vein puncture needle 12, a third passage of the vein tee joint 6 is connected with a vein auxiliary connecting tube 8, a pipeline clamp 4 is arranged between the vein tee joint 6 and the vein puncture needle 12 and is close to the vein tee joint 6, and a closed circulation pipeline is arranged;
the length of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 8cm, the outer diameter of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 0.5cm, the inner diameter of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 is 0.3-04cm, and smooth flowing of blood or saline waste liquid containing the blood is guaranteed during emptying.
The first connecting structure 9 and the second connecting structure 10 on the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 adopt detachable connecting sections, specifically adopt matched buckle connecting sections, and are similar to water hose interfaces between fire hoses, the inner wall of the first connecting structure 9 is connected with a first inner ring 9-1, the inner wall of the second connecting structure 10 is connected with a second inner ring 10-1, the first inner ring 9-1 and the second inner ring 10-1 are matched in an inclined plane mode, the second connecting structure 10 is provided with a buckle piece 10-2, the tail end of the buckle piece 10-2 is connected with the outer wall of the second connecting structure 10, a compression spring 10-3 is arranged between the middle part of the buckle piece 10-2 and the outer wall of the second connecting structure 10, the outer wall of the first connecting structure 9 is provided with a buckle fixing part 9-2, the buckle fixing part 9-2 is provided with an inclined plane 9-3 for the head part of the buckle piece to slide, the tail end of the inclined surface 9-3 is provided with a groove 9-4 for accommodating the head of the fastener 10-2. When the head of the buckle 10-2 moves along the inclined plane of the buckle fixing part 9-2 during connection, the compression spring 10-3 is compressed, and when the head of the buckle 10-2 enters the groove 9-4 on the buckle fixing part 9-2, the compression spring 10-3 exerts an upward acting force on the buckle 10-2, so that the head of the buckle 10-2 is firmly fixed in the groove 9-4, and finally the connection purpose is achieved. When the first connecting structure 9 and the second connecting structure 10 need to be disassembled, the buckle piece 10-2 needs to be compressed inwards, and the head of the buckle piece 10-2 moves along the reverse direction of the inclined surface 9-3 of the buckle fixing part 9-2, so that the disassembly and the assembly are convenient. A sealing ring 5 is arranged between the surfaces of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 14. An elastic layer 9-5 is arranged on one side, close to the buckle piece 10-2, of the buckle fixing part 9-2, a bulge in contact with the elastic layer 9-5 is arranged on the end face, close to the buckle fixing part 9-2, of the buckle piece 10-2, and the elastic layer 9-5 is in interference fit with the bulge to generate a leftward acting force on the buckle piece 10-2, so that the buckle piece 10-2 is firmly fixed. The number of the buckle fixing parts 9-2 and the number of the buckle pieces 10-2 are 4, and the buckle fixing parts and the buckle pieces are uniformly distributed along the circumferential direction. The artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 are combined in a buckling mode, when the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 need to be connected, the heads of the buckling pieces 10-2 of the artery auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 move along the inclined surface 9-3 of the buckling fixing part 9-2, at the moment, the compression spring 10-3 is compressed, and when the heads of the buckling pieces 10-2 enter the grooves 9-4 on the buckling fixing part 9-2, the compression spring 10-3 exerts an upward acting force on the buckling pieces 10-2, so that the heads of the buckling pieces 10-2 are firmly fixed in the grooves 9-4, and finally the connection purpose is achieved. When the vein auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 are needed, the buckling piece 10-2 is only required to be compressed inwards, the head of the buckling piece 10-2 moves in the opposite direction along the inclined plane of the part 9-2 fixed by the buckling piece, and the assembly and disassembly are convenient. In addition, the first inner ring 9-1 and the second inner ring 10-1 realize the first sealing effect, the sealing ring between the vein auxiliary connecting pipe 7 and the vein auxiliary connecting pipe 8 has the second sealing effect, and the dialysis pipeline and the dialyzer membrane are emptied after a closed circulation pipeline is formed, so that the pollution is reduced, the workload is reduced, and the working efficiency is increased.
The artery auxiliary connecting pipe 7 and the second connecting structure 10 adopt matched detachable connecting structures, and the connection is convenient and fast. After the auxiliary arterial connecting pipe 7 is connected with the second connecting structure 10, an arterial puncture pipe 1-2, an arterial dialysis connecting pipe 1-1, a dialyzer 2, a venous dialysis connecting pipe 3-1 and a venous puncture pipe 3-2 are formed to form a closed passage to form a closed circulation passage; the evacuation of dialysis pipeline and 2 membranes of cerini dialyser cerini is realized through current dialysis machine afterwards, and the blood also must be emptied in the felting needle pipeline, and no blood overflows after the evacuation, avoids the polluted environment, also reduces working procedure and work load simultaneously, and the medical personnel of being convenient for operate and use effectively reduces medical personnel working strength, increases work efficiency, and low in production cost is honest and clean, and economy is suitable for.
Use example: specifically, the emptying process of the hemodialysis machine of the Fisher 4008 series dialysis machine is used:
1. after treatment is finished, the auxiliary arterial connecting pipe 7 is connected with the second connecting structure 10 to form an arterial puncture pipe 1-2, an arterial dialysis connecting pipe 1-1, a dialyzer 2, a venous dialysis connecting pipe 3-1 and a venous puncture pipe 3-2 to form a closed passage to form closed circulation;
2. the arterial puncture tube 1-2, the arterial dialysis connecting tube 1-1, the venous dialysis connecting tube 3-1, the venous puncture tube 3-2, the arterial auxiliary connecting tube 7 and the arterial auxiliary connecting tube 8 are all provided with a pipeline clamp 4, the pipeline clamp is in an open state, and the whole set of pipeline is in a smooth and circulatable state;
3. the venous end of the dialyzer is upward, the bypass cover is opened, the quick connector of the dialysate inlet is reset, and the dialyzer bypass plug is used for covering the dialyzer membrane outer outlet;
4. closing a dialysis machine bypass protective cover, pressing a prime key, then pressing a blood pump key, starting a pump, and starting intramembrane drainage;
5. the pump speed of the blood pump is 100-300ml/min, and waste liquid in the membrane is emptied after about 2-3 minutes (when the pump speed is low, the liquid discharge speed is slightly slow, and when the pump speed is high, more small bubbles can be generated, and the pipeline is not easy to empty).
6. After the liquid discharge in the membrane and the pipeline is finished, removing a bypass plug of the dialyzer and starting to discharge the waste liquid outside the membrane;
7. and (3) after the outside of the membrane is emptied, returning the dialysate quick connector, plugging the bypass port of the dialyzer by using a bypass plug, taking down the whole set of pipelines, and bagging according to the medical waste treatment process and requirements.
8. The machine was disinfected internally and wiped externally as specified.
The above detailed description is provided for the examples of the present invention, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. A hemodialysis pipeline without a separation puncture needle for evacuation comprises an arterial blood path, a dialyzer and a venous blood path which are sequentially connected, and is characterized by further comprising an arterial tee joint, a venous tee joint, an arterial auxiliary connecting pipe and a venous auxiliary connecting pipe, wherein the arterial blood path is connected with the arterial auxiliary connecting pipe through the arterial tee joint, the venous blood path is connected with the venous auxiliary connecting pipe through the venous tee joint, a first connecting structure is arranged at an opening at the top end of the arterial auxiliary connecting pipe, and a second connecting structure matched with the first connecting structure is arranged at an opening at the top end of the venous auxiliary connecting pipe; and the artery auxiliary connecting pipe and the vein auxiliary connecting pipe are both provided with pipeline clamps.
2. A hemodialysis line evacuated without a separation needle, in accordance with claim 1, wherein the first and second connection structures are mating detachable connection structures.
3. A hemodialysis line evacuated without a separation spike according to claim 2, wherein the arterial blood line comprises an arterial dialysis connection tube and an arterial puncture tube connected in sequence; the venous blood path comprises a venous dialysis connecting pipe and a venipuncture pipe which are connected in sequence.
4. A hemodialysis line evacuated without a separation needle according to claim 3, wherein the arterial triplet is provided on the arterial dialysis connection tube; the venous tee is arranged on the venous dialysis connecting pipe.
5. A hemodialysis line evacuated without a detachment spike according to claim 3, wherein the arterial triplet is provided on the arterial puncture tube; the vein tee is arranged on the venipuncture tube.
6. A hemodialysis line evacuated without a separation needle according to claim 4, wherein a first path of the arterial tee is connected to the arterial dialysis connection tube, a second path of the arterial tee is connected to the arterial puncture tube, and a third path of the arterial tee is connected to the arterial auxiliary connection tube;
the first path of the vein tee joint is connected with the vein dialysis connecting pipe, the second path of the vein tee joint is connected with the vein puncture pipe, and the third path of the vein tee joint is connected with the vein auxiliary connecting pipe.
7. A hemodialysis line without a separation needle for evacuation according to claim 6, wherein the first path of the arterial triplet and the arterial connection tube for dialysis are integrally formed, the arterial triplet and the arterial puncture tube are connected by a detachable connection structure, and the third path of the arterial triplet and the arterial auxiliary connection tube are integrally formed;
the first route of vein tee bend with hemodialysis connecting pipe integrated into one piece, the vein tee bend with the vein puncture pipe is connected through dismantling connection structure, the third route of vein tee bend with supplementary connecting pipe integrated into one piece of vein.
8. A hemodialysis line without a detachment spike of claim 5, wherein the arterial tee is disposed at a distal end of the arterial puncture tube and the venous tee is disposed at a distal end of the venous puncture tube.
9. The hemodialysis line without a separation puncture needle according to claim 8, wherein a first path and a second path of the arterial tee are communicated with the arterial puncture tube, a third path of the arterial tee is connected with the arterial auxiliary connecting tube, and a line clamp is arranged between the arterial tee and the arterial puncture needle;
the first path and the second path of the vein tee joint are connected with the vein puncture tube for communication, the third path of the vein tee joint is connected with the vein auxiliary connecting tube, and a pipeline clamp is arranged between the vein tee joint and the vein puncture needle.
10. A hemodialysis line without a separation needle for evacuation according to any one of claims 2, 7 and 9, wherein the detachable connection section is a threaded section or a snap-fit connection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448861.4U CN210542633U (en) | 2019-04-04 | 2019-04-04 | Hemodialysis pipeline capable of emptying without separating puncture needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920448861.4U CN210542633U (en) | 2019-04-04 | 2019-04-04 | Hemodialysis pipeline capable of emptying without separating puncture needle |
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| CN210542633U true CN210542633U (en) | 2020-05-19 |
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| CN201920448861.4U Expired - Fee Related CN210542633U (en) | 2019-04-04 | 2019-04-04 | Hemodialysis pipeline capable of emptying without separating puncture needle |
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