CN107929838A - Haemodialysis equipment for kidney internal medicine - Google Patents
Haemodialysis equipment for kidney internal medicine Download PDFInfo
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- CN107929838A CN107929838A CN201711126990.3A CN201711126990A CN107929838A CN 107929838 A CN107929838 A CN 107929838A CN 201711126990 A CN201711126990 A CN 201711126990A CN 107929838 A CN107929838 A CN 107929838A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/168—Sterilisation or cleaning before or after use
- A61M1/1682—Sterilisation or cleaning before or after use both machine and membrane module, i.e. also the module blood side
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/168—Sterilisation or cleaning before or after use
- A61M1/169—Sterilisation or cleaning before or after use using chemical substances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3672—Means preventing coagulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/369—Temperature treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Urology & Nephrology (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biomedical Technology (AREA)
- Hematology (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of haemodialysis equipment for kidney internal medicine,Including shell,The cage connection has blood in-out apparatus,The outer side is provided with frame of making contact,The blood in-out apparatus includes artery syringe needle and venous needle,The artery syringe needle and venous needle are connected to out blood vessel and blood return tube,It is described go out blood vessel be connected with blood pump,The blood pump is connected with dialysis apparatus by intermediate tube,The dialysis apparatus installation is inside the shell,The intermediate tube top side and right end are separately installed with anti-coagulants syringe and check valve,Blood attemperator is installed in the blood return tube,Hemodialysis time is short,Medical hollow fiber is high to patient blood filter efficiency,Quality is good,Cleaning pipe can be rinsed medical hollow fiber,It muchly can efficiently carry out hemodialysis,Blood in blood return tube is similar with blood heat in patient body after insulation,Blood flow is smooth,Patient is more comfortable.
Description
Technical field
The present invention relates to the field of medical instrument technology, is specially a kind of haemodialysis equipment for kidney internal medicine.
Background technology
The mode of the kidney failure is treated as a kind of haemodialysis equipment for kidney internal medicine, uses haemodialysis equipment
Extracorporeal circulation of blood circuit is formed to be widely used.Based on the principle for being carried out at the same time diffusion or filtering, by being discharged from blood
Waste promotes the balance of electrolyte balance.Haemodialysis equipment is usually configured to using hemodialysis filter from blood
Waste is discharged, in order to make waste be placed through the film between hematology lab and dialysis fluid chamber, hemodialysis filter, which is equipped with, to be located at
Film in housing.Usually there are two kinds of films, flat type and hollow fiber type.Be most widely used that hollow fiber type, its by
A bundle of doughnut being installed in circular cylindrical shell body is formed, and both ends are packaged with resin bed.Hollow fiber type is extensive
The reason for use, to be film surface larger with blood or dialyzate contact and compared with its compact volume, diffuser efficiency is high.
Haemodialysis is one of acute or chronic renal failure kidneys of patients Replacement Therapy.It is by the way that internal blood is drawn
Flow to it is external, through one by the dialyzer that is formed without several medical hollow fibers, the blood electrolysis similar to concentration containing body
Matter solution (dialyzate) inside and outside medical hollow fiber, is carrying out mass exchange by disperse/convection current, is removing internal generation one by one
Thank to waste, maintain electrolyte and acid-base balance；Moisture excessive in vivo is removed at the same time, and will pass through the whole of the blood recovery of purification
A process is known as haemodialysis.
The equipment of haemodialysis includes haemodialysis control unit, water process and dialyzer, hemodialysis system forms.Haemodialysis
Machine：It is most widely used a kind of haemodialysis equipment therapeutic equipments for kidney internal medicine in blood purification treatment, is one
Complex electromechanical integration equipment, is made of dialyzate supplying monitoring device and extracorporal circulatory system monitoring device.Online configuration
Dialyzate, the amount of liquid of control disengaging dialyzer of suitable electrolyte concentration reach predetermined balancing objective, safety monitoring system,
Including pressure monitor, air monitoring and leakage blood monitoring etc..Water treatment system：Since blood samples of patients will be across dialysis in once dialysing
Film contacts a large amount of dialyzates (120L), and tap water needs filtered successively, iron removaling, softening, activated carbon, reverse-osmosis treated, only instead
Infiltration can be as the thinned water of concentrate dialysate.Dialyzer：Also referred to as " artificial kidney ", is cured made of chemical material one by one
Formed with hollow fibre, and numerous small holes are dispersed with every medical hollow fiber.Blood is through in medical hollow fiber during dialysis
And dialyzate flows counterflow through outside through medical hollow fiber, the solute and moisture of some small molecules in blood/dialyzate pass through
Aperture on medical hollow fiber swaps, the final result of exchange be uremic toxins in blood and some electrolyte,
Unnecessary moisture, which enters in dialyzate, to be eliminated, some bicarbonate radicals and electrolyte enter in blood in dialyzate.So as to reach
Remove toxin, moisture, the purpose for maintaining acid-base balance and homeostasis.Dialyzate：Dialyzate is by containing electrolyte and base
Dialysis concentrate obtains after being diluted in proportion with reverse osmosis water, ultimately forms the solution close with electrolyte balance concentration, to maintain
Normal electrolyte level, while base is provided to body by higher base concentration, to correct acid poisoning existing for patient.
Patent of invention number 201610106083.1 discloses a kind of haemodialysis equipment, including dialysis liquid bath, dialyzate are led
Enter pipe, dialysis tubing, dialyzate remittance abroad pipe and peristaltic pump, dialysis liquid bath is connected with dialyzate ingress pipe, the outlet of dialyzate ingress pipe
End be connected with dialysis tubing respectively with the arrival end of dialyzate remittance abroad pipe, and dialyzate remittance abroad pipe is connected with peristaltic pump, peristaltic pump and saturating
Liquid bath connection is analysed, dialysis tubing includes permeability inner tube, dialysis membrane and permeability outer tube, and dialysis membrane is wrapped in permeability inner pipe wall
Outside, permeability outer tube sleeve is peripheral in permeability inner tube, and the arrival end and the port of export of permeability inner tube are arranged in permeability outer tube
The same side, the arrival end of permeability inner tube is connected with dialyzate ingress pipe, the port of export and the dialyzate remittance abroad of permeability inner tube
Pipe connects, and the dialysis tubing of the design is placed in internal artery in dialysis, hemodialysis is completed in the blood vessel, without blood is extracted out body
Hemodialysis is carried out again outside, on human blood-pressure without influence, more economical, safety.But the invention causes since the filtration path of blood is too short
Blood filtration efficiency is low, of poor quality, and haemodialysis effect is poor.
Existing haemodialysis equipment has the following disadvantages and problem：
(1) present haemodialysis equipment first injects syringe needle in patient's blood vessel before dialysing to patient blood,
Then one section of medical adhesive tape of clip will go out blood vessel and be attached on patient's arm, spend the time more, make the hemodialysis time elongated.
(2) most of present hemodialysis device filters the impurity in blood, excessive moisture using hollow fibre, but
Most of inside hollow fibre is all circular channel, this makes the blood of the close fiber inner wall in hollow fibre easily be filtered,
And the blood closer to fibre axis is more difficult to filter, the contact area of blood and dialyzate is smaller, therefore the filter quality of blood
Unsatisfactory, the rate of filtration is also slow, and general hollow fibre is all straight line filtering, and the filtration path of blood is short, blood filtration
It is of poor quality.
(3) existing hemodialysis device is residual with the impurity such as blood coagulation, protein are had after a period of time, in hollow fibre
Stay, influence the quality and speed of hemodialysis, or extending the hemodialysis time, or replacing hollow fibre, add cost, replace hollow
Fiber is cumbersome, wastes the repair time.
(4) most of existing hemodialysis device is all to make blood be not easy to condense by anticoagulant, but the road of blood circulation
Footpath is longer, and when anticoagulant is inadequate, blood easily occurs to condense phenomenon, if blood clotting is in blood return tube or hollow fibre
In dimension, hemodialysis efficiency can be influenced, if the blood condensed is flowed into human body, can be damaged to human body, it is hot during blood flow
Amount is easy to be lost in, and flows back to the blood and patient of the patient body blood heat of itself and differs larger, can give patient's sense of discomfort, sternly
Patient can be caused to produce adverse reaction again.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of haemodialysis equipment for kidney internal medicine,
Hemodialysis time is short, and medical hollow fiber is high to patient blood filter efficiency, quality is good, and cleaning pipe can be to medical hollow fiber
It is rinsed, muchly can efficiently carries out hemodialysis, the blood in blood return tube is similar with blood heat in patient body after insulation,
Blood flow is smooth, and patient is more comfortable, can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：A kind of haemodialysis for kidney internal medicine fills
Put, including shell and installation dialysis apparatus inside the shell, the dialysis apparatus include dialysis and cylinder occur and is sent out installed in dialysis
Medical hollow fiber in raw cylinder, the cage connection have blood in-out apparatus, and the blood in-out apparatus includes artery syringe needle
And venous needle, the artery syringe needle and venous needle are connected to out blood vessel and blood return tube；
It is described go out blood vessel be connected with blood pump, the blood pump connects dialysis apparatus by intermediate tube, the intermediate tube top side and
Right end is separately installed with anti-coagulants syringe and check valve, and blood attemperator is provided with the blood return tube.
As a kind of preferable technical solution of the present invention, it is described go out blood vessel, blood return tube close to venous needle, artery syringe needle
One end is mounted on velcro, and the blood return tube is linked together by pipe sleeve with blood vessel outside is gone out, also pacified in the blood return tube
Equipped with regulating valve.
As a kind of preferable technical solution of the present invention, it is described go out blood vessel, blood return tube and dialysis apparatus in be equipped with detection
Device.
As a kind of preferable technical solution of the present invention, the dialysis apparatus left end, right end respectively with intermediate tube, blood return tube
Connection, the dialysis occur cylinder left end top side and are connected with recovery cylinder by dialyzate recovery tube, and cylinder right end bottom occurs for the dialysis
Side provides pipe by dialyzate and is connected with new dialysis fluid cylinder, and the dialysis occurs to be provided with blood flow guider inside cylinder,
The dialyzate provides and control valve is installed on pipe, and filtrate pump is provided with the new dialysis fluid cylinder.
As a kind of preferable technical solution of the present invention, the blood flow guider includes being fixedly mounted on dialysis hair
The annular hollow pipe at left and right end inside raw cylinder, the end face of two annular hollow pipes are connected with intermediate tube, blood return tube respectively, two rings
Be equipped between shape hollow pipe it is some be installed on dialysis and occur risers inside cylinder, by some medical between two annular hollow pipes
Hollow fibre connects, and the medical hollow fiber is on riser.
As a kind of preferable technical solution of the present invention, the annular hollow pipe bottom that cylinder left end occurs for the dialysis is connected with
Cleaning pipe, the cleaning pipe are connected with cleaning fluid cylinder, and the cleaning pipe top is provided with switch valve.
As a kind of preferable technical solution of the present invention, the riser top and bottom are installed on dialysis by some struts
In generation cylinder, the riser is equipped with some wave-shaped grooves, and the medical hollow fiber is plugged in wave-shaped groove, described medical
The front and back sides of hollow fibre protrude the surface of riser, and the medical hollow fiber left and right sides, which is equipped with, to be installed on above and below wave channel
Support column between portion.
As a kind of preferable technical solution of the present invention, the medical hollow fiber described in some is parallel to each other, the doctor
It is oval ring with hollow fibre end surface shape.
As a kind of preferable technical solution of the present invention, the blood attemperator includes the annular being installed in blood return tube
Heating plate, the annular-heating piece is interior to be equipped with funnel hole, and the annular-heating piece is connected with temperature control equipment.
Further, frame of making contact is installed in outer side, pipe sleeve energy disk or be entangled in and make contact on frame.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention by intravenous needle and arterial needle inject patient it is intravascular after, velcro can be tied up in patient's wrist,
Fix disengaging blood vessel more convenient, save the time before dialysis.
(2) riser of the invention ensure that the shape of medical hollow fiber, and medical hollow fiber is on riser in wavy
Distribution, increases the dialysis path of blood, and blood can fully be dialysed, and hemodialysis quality is high, due to the spy of medical hollow fiber
Different structure makes the contact outside area of dialyzate and medical hollow fiber big, so that the dialysis area of blood increases, and more
Medical hollow fiber at the same time dialyses blood, and dialytic efficiency is high.
(3) present invention impurity in medical hollow fiber sinks after influencing hemodialysis efficiency and quality, first stops hemodialysis step,
Cleaning solution in cleaning solution is passed in annular hollow pipe by cleaning pipe, then cleaning solution enters right in medical hollow fiber
Internal impurity is rinsed, and recovers the filter effect of medical hollow fiber, hemodialysis device performance easily recovers, hemodialysis device energy
Muchly is carried out to blood efficient, the high-quality cost of overhaul and the time filtered, save hemodialysis device.
(4) present invention is additionally arranged blood attemperator in blood return tube, has both made blood in entirely dialysis flow and has transmitted
During will not condense, also make from return duct flow into human body blood matched with blood heat in patient body so that patient
Sense of discomfort is reduced, hemodialysis quality is good, and patients' feeling is more preferably.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the blood attemperator structure diagram of the present invention；
Fig. 3 is the dialysis apparatus structure diagram of the present invention；
Cylinder end cross-sectional view occurs for the dialysis that Fig. 4 is the present invention；
Fig. 5 is the riser right end structure diagram of the present invention.
In figure：1- shells；2- artery syringe needles；3- venous needles；4- intermediate tubes；5- dialysis apparatus；6- blood attemperators；
7- detection devices；8- cleaning pipes；9- risers；
101- blood in-out apparatus；102- makes contact frame；
201- goes out blood vessel；202- blood pumps；203- velcro；
301- blood return tubes；302- pipe sleeves；303- regulating valves；
401- anti-coagulants syringes；402- check valves；
Cylinder occurs for 501- dialysis；502- dialyzate recovery tubes；503- recovery cylinders；504- dialyzates provide pipe；5041- is controlled
Valve；505- newly dialyses fluid cylinder；5051- filtrate pumps；506- blood flow guiders；507- annular hollow pipes；508- Medical airs
Core fiber；
601- annular-heating pieces；602- funnel holes；603- temperature control equipments；
801- cleans fluid cylinder；802- switch valves；803- cleans liquid pump；
901- wave-shaped grooves；9011- mounting holes；902- support columns；9021- is inserted into foot；903- struts.
Embodiment
As shown in Figure 1, the present invention provides a kind of haemodialysis equipment for kidney internal medicine, including shell 1, in shell
Dialysis apparatus 5 is installed, the dialysis apparatus 5 includes dialysis and cylinder 501 occurs and the doctor in cylinder 501 occurs installed in dialysis in 1
With hollow fibre 508, the shell 1 is connected with blood in-out apparatus 101, and the blood in-out apparatus 101 includes artery syringe needle 2
With venous needle 3, artery syringe needle 2 is pricked into artery in patient body, is usually the artery in wrist, venous needle 3 penetrates patient
Artery, the artery syringe needle 2 and venous needle 3 be connected to out blood vessel 201 and blood return tube 301, and the blood of patient is driven
Arteries and veins is flowed in bleeding pipe 201, is then flowed into dialysis apparatus 5 after being dialyzed, the blood after dialysis is returned blood vessel 301 and flowed back to
Patient artery, completes the circulation of a haemodialysis.
As shown in Figure 1, it is described go out blood vessel 201, blood return tube 301 be respectively mounted close to one end of venous needle 2, artery syringe needle 3
Have a velcro 203, medical staff by artery syringe needle 2 and venous needle 3 be inserted into respectively patient artery and it is intravenous after, make magic
Paste 203 inner surfaces to contact with patient's wrist, then stick the bottom of velcro 203, i.e., tie up velcro 203 in patient's wrist
On, fix artery syringe needle 2 and venous needle 3, hemodialysis is more stable, is fixed conveniently quick, saves the time of hemodialysis.
As shown in Figure 1, the blood return tube 201 is linked together with the outside of blood vessel 301 is gone out by pipe sleeve 302, can be effective
Prevent blood return tube 201 and go out the in disorder of blood vessel 301, the outside of shell 1 is provided with frame 102 of making contact, by 302 disk of pipe sleeve or twine
Making contact on frame 102, device when not used, makes blood return tube 201 be placed more neatly with blood vessel 301 is gone out, avoids pipeline from being contaminated or twine
Around, knot etc., save the lineation time before hemodialysis.Regulating valve 303,303 energy of regulating valve are also equipped with the blood return tube 301
Speed and blood flow size that blood after dialysing flows back to venous patient from blood return tube 301 are adjusted, according to patient's needs and blood vessel
Ability to bear flexibly changes.
As shown in Figure 1, it is described go out blood vessel 201, blood return tube 301 and dialysis apparatus 5 in be equipped with detection device 7, detection dress
7 flows that can detect blood, pressure, temperature etc. data are put, size, the control temperature that each valve is then adjusted by situation are big
It is small, make haemodialysis more preferable, to ensure the smooth of blood dialysis and dialysis quality.
As shown in Fig. 2, being provided with blood attemperator 6 in the blood return tube 301, the blood attemperator 6 includes peace
Annular-heating piece 601 in blood return tube 301, is equipped with funnel hole 602 in the annular-heating piece 601, funnel hole 602 it is interior
Side surface is all smooth arc surface, makes blood flow more smooth, and funnel hole 602 makes the blood heat area bigger of circulation, adds
The thermal efficiency is high.The annular-heating piece 601 is connected with temperature control equipment 603, and temperature control equipment 603 can make annular-heating piece
601 heating bloods, make the blood heat and patient's self-blood temperature close that venous patient is flowed back to from blood return tube 301, make patient
Easily receive, adapt to the blood after dialysis, meanwhile, blood attemperator 6 also effectively prevents the blood after blood heat decline
Coagulation phenomena, so that blood circulation is more smooth, the blood quality flowed back in patient body is more preferable, gives patient more preferable hemodialysis experience.
As shown in figures 1 and 3, blood pump 202 is installed on blood vessel 201 is gone out, the blood pump 202 is connected by intermediate tube 4
Dialysis apparatus 5, the dialysis apparatus 5 are installed in shell 1, and 4 top side of intermediate tube and right end are separately installed with anti-coagulants note
Emitter 401 and check valve 402, check valve 402 can effectively prevent the reflux of blood, after systemic haemodialysis, blood
Liquid easily flows back, and at this moment check valve 402 just can be such that blood does not waste, and not flow back, and the blood for ensureing to flow back in patient body is all
Blood after analysis, ensure that the health of patient.Blood pump 202 pumps out blood in patient body from artery, alleviates patient's heart
The dirty pressure oneself extruded blood from artery.
As shown in Figure 1, be equipped with blood anticoagulant in anti-coagulants syringe 401, when hemodialysis, generally can all use anti-coagulants, can
To prevent the blood clotting flowed out from the patient, effective blood anticoagulant be directly related to the filter effect of liquid in blood,
The elimination effect of solute and the service life of medical hollow fiber 508, anti-coagulants can reduce film haptoreaction, make the blood after hemodialysis
After liquid enters venous patient blood vessel, the blood vessel of patient contradicts smaller, and patient's blood vessel is more easy to receive.Therefore, select anti-coagulants very heavy
Will, for the blood of most patient all by the use of heparin as anti-coagulants, it can accelerate thrombin inactivation, and it is poly- to suppress hematoblastic adhesion
Collection, so that blood will not condense, blood circulation is smooth, and haemodialysis is more smooth, if patient is not suitable with heparin therapy, can use
Prostacyclin anti-freezing method, pentose monomers, first sulphur nanaimo division etc. carry out anti-freezing to blood.
As shown in figure 3,5 left end of dialysis apparatus, right end are connected with intermediate tube 4, blood return tube 301 respectively, dialysis occurs
501 left end top sides of cylinder are connected with recovery cylinder 503 by dialyzate recovery tube 502, and the dialysis occurs 501 right end bottom side of cylinder and passes through
Dialyzate provides pipe 504 and is connected with new dialysis fluid cylinder 505, is loaded with new fluid cylinder 505 of dialysing and enough does not participate in hemodialysis reaction
Dialysis solution, impurity in blood can be drawn and taken away well by fresh dialysis solution, complete the purification of blood.It is described
Analysis occurs to be provided with blood flow guider 506 inside cylinder 501, and the dialyzate, which provides, installs control valve 5041 on pipe 504,
Control valve 5041 can control the flowing velocity of dialyzate, and the flowing velocity of general dialyzate is faster, and the speed of haemodialysis is also
It is faster.
As shown in figure 3, be provided with filtrate pump 5051 in the new dialysis fluid cylinder 505, filtrate pump 5051 is by fresh dialysis
Liquid is pumped out from new dialysis fluid cylinder 505, and then unworn dialyzate provides pipe 504 and flow into dialyse and occurs in cylinder 501 from dialyzate,
The right end bottom that cylinder 501 occurs from dialysis for dialyzate progresses into, and then dialyzate fills whole dialysis generation cylinder 501, dialysis
Liquid dialysis occur cylinder 501 flow direction be it is horizontal to the left, the overall flow direction level of blood completes blood to the right
With the convection current of dialyzate, blood dialysis is accurate, when dialyzate washes away the outer wall of medical hollow fiber 508, will can cure
All be drawn onto with the impurity solute of flowing blood or unusable liquid in hollow fibre 508 in dialyzate, then used dialyzate from
Dialyzate recovery tube 502 is flowed back in recovery cylinder 503, completes the waterway circulating of dialyzate.
As shown in figure 3, the blood flow guider 506 includes being fixedly mounted on 501 inside left and right of dialysis generation cylinder
Blood can be evenly distributed in every medical hollow fiber 508 by the annular hollow pipe 507 at end, annular hollow pipe 507, make blood
Dialysis is evenly.The end face of annular hollow pipe 507 described in two is connected with intermediate tube 4, blood return tube 301 respectively, described in two
Annular hollow pipe 507 between be equipped with it is some be installed on dialysis occur cylinder 501 inside risers 9, it is annular hollow described in two
Connected between pipe 507 by some medical hollow fibers 508, one end and the medical hollow fiber 508 of annular hollow pipe 507 connect
Logical, annular 507 other end of hollow pipe is connected with intermediate tube 4 or blood return tube 301 connects, and blood flows into or out blood vessel from patient artery
201, intermediate tube 4, annular hollow pipe 507, medical hollow fibre pipe 508, annular hollow pipe 507 are then flowed sequentially through, it is last saturating
Blood after analysis flows back in patient body intravenous from blood return tube 301, completes the circulation of a haemodialysis.
As shown in Figure 3 and Figure 4,9 top of riser and bottom are installed on dialysis generation cylinder 501 by some struts 903
Interior, strut 903 occurs cylinder 501 with dialysis and uses detachable connection, so that riser 9 is more easy to disassemble, makes medical hollow
The replacement of fiber 508 is more convenient.The inner wall that strut 903 makes the bottom surface of riser 9 that cylinder 501 occur with dialysis does not contact, so that from
The fresh dialysis fluid that 501 bottom side of cylinder flows into, which occurs, for dialysis can be uniformly scattered onto each 9 side of riser, so that every medical hollow
Blood in fiber 508 can be dialysed well.
As shown in Figure 3 and Figure 5, the riser 9 is equipped with some wave-shaped grooves 901, and the medical hollow fiber 508 is embedded in
On riser 9, the medical hollow fiber 508 is plugged in wave-shaped groove 901, and wave-shaped groove 901 is medical hollow fiber 508
Limit space, makes the flow path undulate of blood, so that the dialysis path of blood is increased, so that blood can obtain more
Long dialysis time, makes haemodialysis more thorough, and haemodialysis quality is high.The front and back sides of the medical hollow fiber 508 are equal
The surface of riser 9 is protruded, the outer surface of the larger side protrusion riser 9 of the area of medical hollow fiber 508, makes medical hollow fine
The outside of dimension 508 can touch greater area of dialyzate, make blood and dialyzate swap solute, liquid exchange area more
Greatly, haemodialysis is efficient.
As shown in figure 5,508 left and right sides of medical hollow fiber is equipped with the branch being installed between 901 top and the bottom of wave channel
Dagger 902,902 end face of support column is oval, and support column 902 is located at the left side and right side of medical hollow fiber 508, easy to pair
Medical hollow fiber 508 carry out it is spacing, support column 902 also act as make the riser 9 positioned at 901 upper and lower sides of wave-shaped groove it is firmer,
More stable effect, prevent riser 9 because the crimp of gravity and dialyzate and caused by riser 9 extrude medical hollow fiber 508,
Make 508 service life of medical hollow fiber longer.Supplement herein, the upper and lower sides of wave-shaped groove 901 are equipped with mounting hole
9011,902 upper and lower side of support column is equipped with insertion foot 9021, and insertion foot 9021 is cylindrical shape, and insertion foot 9021 is inserted into mounting hole
The fixation to hollow fibre 508 and the assembling of riser 9 can be completed in 9011, insertion foot 9021 is inserted into, extracts mounting hole 9011
It is easily quick, it is meant that replacing the speed of medical hollow fiber 508 can also accelerate, and it is convenient to replace, and enables dialysis apparatus 5 in time
Recover high efficiency, the hemodialysis performance of high quality.
As shown in figure 3, the medical hollow fiber 508 described in some is parallel to each other, more medical hollow fibers 508 are at the same time
Blood is filtered, ensure that the high efficiency of filtering, more blood can be once filtered, make blood circulation faster.The doctor
It is oval ring with 508 end surface shape of hollow fibre, when blood circulates in medical hollow fiber 508, the end face of blood
Shape is ellipse, and the larger side of area of medical hollow fiber 508 is contacted with dialyzate, thus blood flow when
Wait, the area that blood exchanges solute liquid with dialyzate is big, and haemodialysis quality is good, speed is fast.
The dialysis principle of patient blood is：Blood in the medical hollow fiber 508 during circulation, the circulating direction of dialyzate with
Blood circulation direction is on the contrary, form convection current, pressure ratio dialyzate region of the blood in medical hollow fiber 508 is dialysis
Pressure in cylinder 501 is big, so that the surplus liquid in patient blood enters in dialyzate, is dialyzed liquid band and walks.Meanwhile blood
Flow velocity and dialysate flow rate constantly maintain solute to enter and leave replacement process as dialysis apparatus 5, and patient is to be dialysed
Have that a concentration gradient is poor between blood and dialyzate, i.e., the concentration ratio dialyzate of blood is high, so blood and dialyzate convection current
When, the impurity solute in blood can enter in dialyzate from the film of medical hollow fibre 508, be dialyzed liquid band and walk, have in blood
Material is retained, and completes to discard the removing of solute in patient blood.
As shown in figure 3,507 bottom of annular hollow pipe that 501 left end of cylinder occurs for the dialysis is connected with cleaning pipe 8, it is described
Cleaning pipe 8 is connected with cleaning fluid cylinder 801, and the insertion of 8 bottom of cleaning pipe is cleaned in fluid cylinder 801, and cleaning pipe 8 is also associated with cleaning liquid pump
803, for making cleaning solution rinse medical hollow fiber 508.8 top of cleaning pipe is provided with switch valve 802, does not clean medical
When hollow fibre, switch valve 802 is closed, and prevents that blood flows into Cleaning pipes during dialysis.Dialysis apparatus 5 is grown in dialysis time
After, the albumen in some bulky grain solute, blood can be deposited in the tube wall dialysis hole of internal medical hollow fiber 508
The materials such as matter, blood coagulation, so that medical hollow fiber 508 blocks, haemodialysis quality and speed decline, even the circulation speed of blood
Degree also can be slack-off.If 508 dismounting and change of medical hollow fiber directly at this moment can be increased cost, and change when comparing consuming
Between.Cleaning solution is housed in cleaning fluid cylinder 801, after each haemodialysis, cleaning solution adds heparin, cleaning solution for physiological saline
Pump 803 pumps out cleaning solution from cleaning fluid cylinder 801, and cleaning solution is flowed into from annular hollow pipe 507, subsequently into doctor from cleaning pipe 8
With in hollow fibre 508, blood is discharged, and prevents the solidification of blood in medical hollow fiber 508, then cleans fluid cylinder
Distilled water is contained in 801, using distilled water flushing medical hollow fiber 508, by the residual blood and foul in medical hollow fiber 508
All discharge, complete the cleaning of medical hollow fiber 508, ensure that high-quality, the efficient performance of dialysis apparatus 5, extend doctor
With the service life of hollow fibre 508, make the replacement frequency of medical hollow fiber 508 reduce, also save cost and time.
Claims (10)
1. a kind of haemodialysis equipment for kidney internal medicine, including shell (1) and the dialysis apparatus in shell (1)
(5), the dialysis apparatus (5) includes dialysis generation cylinder (501) and the medical hollow fiber in cylinder (501) occurs installed in dialysis
(508), the shell (1) is connected with blood in-out apparatus (101), and the blood in-out apparatus (101) includes artery syringe needle (2)
With venous needle (3), the artery syringe needle (2) and venous needle (3) are connected to out blood vessel (201) and blood return tube (301),
It is described go out blood vessel (201) be connected with blood pump (202), it is characterised in that：The blood pump (202) is connected by intermediate tube (4) and dialysed
Device (5), intermediate tube (4) top side and right end are separately installed with anti-coagulants syringe (401) and check valve (402), described
Blood attemperator (6) is installed in blood return tube (301).
A kind of 2. haemodialysis equipment for kidney internal medicine according to claim 1, it is characterised in that：It is described go out blood vessel
(201), blood return tube (301) is mounted on velcro (203) close to venous needle (2), one end of artery syringe needle (3), described time
Blood vessel (301) and going out on the outside of blood vessel (301) is linked together by pipe sleeve (302), is also equipped with adjusting on the blood return tube (301)
Save valve (303).
A kind of 3. haemodialysis equipment for kidney internal medicine according to claim 1, it is characterised in that：It is described go out blood vessel
(201), it is equipped with detection device (7) in blood return tube (301) and dialysis apparatus (5).
A kind of 4. haemodialysis equipment for kidney internal medicine according to claim 1, it is characterised in that：The dialysis dress
Put (5) left end, right end to be connected with intermediate tube (4), blood return tube (301) respectively, the dialysis occurs cylinder (501) left end top side and passes through
Dialyzate recovery tube (502) is connected with recovery cylinder (503), and the dialysis occurs cylinder (501) right end bottom side and provided by dialyzate
Pipe (504) is connected with new dialysis fluid cylinder (505), and the dialysis occurs to be provided with blood flow guider inside cylinder (501)
(506), the dialyzate provides and control valve (5041) is installed on pipe (504), and filtrate is provided with the new dialysis fluid cylinder (505)
Pump (5051).
A kind of 5. haemodialysis equipment for kidney internal medicine according to claim 4, it is characterised in that：The blood stream
Action-oriented device (506), which includes being fixedly mounted on dialysing, occurs the annular hollow pipe (507) at cylinder (501) internal left and right end, two
The end face of annular hollow pipe (507) is connected with intermediate tube (4), blood return tube (301) respectively, between two annular hollow pipes (507)
Equipped with some risers (9) for being installed on dialysis and cylinder (501) inside occurring, pass through some doctors between two annular hollow pipes (507)
Connected with hollow fibre (508), the medical hollow fiber (508) is on riser (9).
A kind of 6. haemodialysis equipment for kidney internal medicine according to claim 5, it is characterised in that：The dialysis hair
Annular hollow pipe (507) bottom of raw cylinder (501) left end is connected with cleaning pipe (8), and the cleaning pipe (8) is connected with cleaning fluid cylinder
(801), cleaning pipe (8) top is provided with switch valve (802).
A kind of 7. haemodialysis equipment for kidney internal medicine according to claim 5, it is characterised in that：The riser
(9) top and bottom are installed on dialysis by some struts (903) and occur in cylinder (501), and the riser (9) is equipped with some ripples
Shape wave groove (901), the medical hollow fiber (508) are plugged in wave-shaped groove (901), the medical hollow fiber (508)
Front and back sides protrude the surfaces of riser (9), medical hollow fiber (508) left and right sides is equipped with and is installed on wave channel
(901) support column between top and the bottom (902).
A kind of 8. haemodialysis equipment for kidney internal medicine according to claim 5, it is characterised in that：Described in some
Medical hollow fiber (508) be parallel to each other, medical hollow fiber (508) end surface shape is oval ring.
A kind of 9. haemodialysis equipment for kidney internal medicine according to claim 1, it is characterised in that：The blood is protected
Warm device (6) includes the annular-heating piece (601) being installed in blood return tube (301), and leakage is equipped with the annular-heating piece (601)
Struggle against hole (602), the annular-heating piece (601) is connected with temperature control equipment (603).
A kind of 10. haemodialysis equipment for kidney internal medicine according to claim 2, it is characterised in that：In shell (1)
Outside is provided with frame of making contact (102), pipe sleeve (302) can disk or be entangled on frame of making contact (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711126990.3A CN107929838B (en) | 2017-11-15 | 2017-11-15 | Hemodialysis device for nephrology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711126990.3A CN107929838B (en) | 2017-11-15 | 2017-11-15 | Hemodialysis device for nephrology department |
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| CN107929838A true CN107929838A (en) | 2018-04-20 |
| CN107929838B CN107929838B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711126990.3A Active CN107929838B (en) | 2017-11-15 | 2017-11-15 | Hemodialysis device for nephrology department |
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| CN109045380A (en) * | 2018-07-27 | 2018-12-21 | 常州市第人民医院 | A kind of hemodialysis cloche |
| CN109621048A (en) * | 2018-11-26 | 2019-04-16 | 台州黄岩羽山综合门诊部 | A kind of dry powder bag and kidney internal medicine dialysis ancillary equipment |
| CN109621049A (en) * | 2018-11-26 | 2019-04-16 | 台州黄岩羽山综合门诊部 | Kidney internal medicine dialysis ancillary equipment |
| CN114209907A (en) * | 2021-12-03 | 2022-03-22 | 甘肃省第三人民医院(甘肃省干部医疗保健院) | Blood purifies uses high-efficient dialysis unit |
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