CN106215277A - A kind of medical infusion machine - Google Patents
A kind of medical infusion machine Download PDFInfo
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- CN106215277A CN106215277A CN201610662673.2A CN201610662673A CN106215277A CN 106215277 A CN106215277 A CN 106215277A CN 201610662673 A CN201610662673 A CN 201610662673A CN 106215277 A CN106215277 A CN 106215277A
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- piston
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- pump
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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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Public Health (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of medical infusion machine, including: intelligence control system, alarm device, driving means and Piston Reciprocating Pump, described alarm device, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively, Piston Reciprocating Pump includes the pump housing and piston body, piston body is arranged on the side of the pump housing, is provided with pump chamber in the pump housing, and pump chamber connects with the plunger shaft of piston body, it is provided with piston rod in piston body, between piston body and piston rod, is provided with sealing ring.The technical purpose of the present invention is to provide a kind of infusion flow to control more accurate, it is possible to carry out the transfusion of different flow for different patients, different medicinal liquids, more durable, reliability higher medical infusion machine.
Description
Technical field
The present invention relates to field of medical device, particularly a kind of medical infusion machine.
Background technology
Venous transfusion is a kind of administering mode conventional in clinical treatment, according to character, the difference of patient's body constitution of medicine,
Speed of intravenous infusion is the most different.Infuse too fast, cross all be difficult to reach intended therapeutic effect slowly, even affect nursing safety.
It is poor that traditional infusion model transfusion speed controls, and needs infusion bottle or transfusion bag are hung height, during transfusion when transfusion
Inconvenient patient moves, and in the ambulance that space is less, also infusion bottle or transfusion bag are hung height by inconvenience；By infusion bottle or defeated
Liquid bag hangs high infusion model, also will not send alarm when there being air to enter into infusion pipeline, be ten for patient
Divide danger.
Summary of the invention
For the above-mentioned existing issue existed at patient infusion, the technical purpose of the present invention is to provide a kind of infusion flow
Controlling more accurate, it is possible to carry out the transfusion of different flow for different patients, different medicinal liquids, more durable, reliability is more
High medical infusion machine.
The present invention is achieved through the following technical solutions:
A kind of medical infusion machine, including: intelligence control system, alarm device, driving means and Piston Reciprocating Pump, described warning fills
Put, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively.
In technique scheme, by be provided with can only control system can monitoring transfusion situation in real time, and to transfusion control
Make more accurate, it is simple to the uninterrupted of regulation transfusion, thus realize carrying out different flow for different patients, different medicinal liquid
Transfusion, by using Piston Reciprocating Pump can reduce the cost of transfusion machine, and Piston Reciprocating Pump is as the power source of transfusion machine,
The reliability of transfusion machine can be improved so that transfusion machine is more durable.
Further, described Piston Reciprocating Pump includes the pump housing and piston body, and piston body is arranged on the side of the pump housing, in the pump housing
Being provided with pump chamber, pump chamber connects with the plunger shaft of piston body, is provided with piston rod in piston body, is provided with close between piston body and piston rod
Seal ring.
In technique scheme, moving back and forth by piston rod, thus medium is pumped to patient infusion, this structure
Piston reciprocating pump configuration little, easy for installation, reliable.
Further, described driving means includes frequency conversion motor, decelerator and eccentric, frequency conversion motor by decelerator with
Eccentric coordinates to be installed, and eccentric is connected with piston rod by linkage.
In technique scheme, it is connected with piston rod by linkage by eccentric so that motor is driving bias
When wheel rotates, it is possible to piston rod is moved back and forth thus provides power for transfusion machine.
Further, described intelligence control system includes: arm processor, memorizer and touch control screen, arm processor
It is connected with memorizer, frequency conversion motor and touch control screen.
In technique scheme, can rapidly, accurately process, by arm processor, the signal received, by be provided with
Infusion information can more intuitively be observed by touch control screen, it is possible to effectively controls the rotation of motor, thus is precisely controlled transfusion
Flow.
Further, the bottom of described piston body has the feed liquor runner connected with pump chamber, and top has and connects with pump chamber
Go out liquid stream road, described feed liquor runner and be respectively equipped with feed liquor check valve and go out liquid check valve in going out liquid stream road；Described feed liquor list
To valve and to go out liquid check valve be floating ball one-way valve, the ball float material of floating ball one-way valve is sapphire/PTFE/ pottery.
In technique scheme, by the floating ball one-way valve being provided with, and the material of ball float is sapphire/PTFE/ pottery,
The opening/closing of floating ball one-way valve is swift in response, and the ball float of sapphire/PTFE/ ceramic material is nontoxic, it is ensured that medicinal liquid safe,
Effectively.
Further, being provided with stop collar between described piston body and piston rod, the material of described stop collar is pottery, piston
The material of bar is the surface medical 316L stainless steel through nitridation；Described sealing ring is provided close to the end of the piston rod of pump chamber,
Sealing ring includes that the ring body that cross section is rectangle is trapezoidal ring cone with cross section, and ring body is located in ring cone, the cylindrical sealing surface of ring cone
Being provided with 2～4 cross sections is the annulus of isosceles triangle, and the angle at the base angle of described isosceles triangle is 60～70 °, sealing ring
Material be ptfe composite；The inwall via nitride of piston body processes.
In technique scheme, the stop collar of the pottery by being provided with ensure that moving axially of piston rod, significantly drops
Low piston rod bias moves, thus affects the sealing of piston rod, and this structure considerably increases the reliability of the sealing of piston rod；
Piston rod surface can increase stainless hardness through nitrogen treatment, reduces the abrasion of piston rod, increases the use of piston rod
Life-span；Boring by being provided with trapezoidal ring on sealing ring, ring cone is provided with multiple annulus such that it is able to be greatly increased sealing can
By property, and formed multi-stage sealed, by being 60～70 ° by the angle at the base angle of isosceles triangle, it is possible to make isoceles triangle
Two waists of the annulus of shape can form effectively support to annulus and piston body inwall, and will not form turnup, increases sealing
Reliability；And the sealing ring of ptfe composite can increase the wearability of sealing, wear resistence, reduction coefficient of friction, simultaneously
Also have on certain sterilizing ability.
Further, each constituent mass proportioning of the ptfe composite material of sealing ring is: ptfe emulsion:
80～85 parts；Nanometer silver: 2.5～4.5 parts；Molybdenum disulfide powder: 5～6.5 parts；Carbon fiber: 4～7 parts；Graphite powder: 2.5～
3.5 part.
The particle size diameter of described nanometer silver is 35～50nm, and carbon fiber is carbon fiber powder, the list of described carbon fiber powder
Filament diameter is 7 microns, and draw ratio is 2:1～4:1.
The preparation method of described ptfe composite is:
Step one, adds nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder in dehydrated alcohol and is ground, after grinding
It is vacuum dried at 110～120 DEG C, carries out mixed at high speed 5min after drying, pour in the incubating solvent of 65 DEG C and stir；
Step 2, nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture after stirring join polytetrafluoro
Vac emulsion stirs, and makees the supersound process of 40 minutes；
Step 3, by the ptfe emulsion containing nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture 70
～the vacuum of 85 DEG C is dried molding, then in the demineralized water of 15～25 DEG C, carry out cooling and shaping.
In technique scheme, enable to may go out at the sealing in moist transfusion machine by the nanometer silver added
Existing antibacterial plays antibacterial effect, particle diameter be 35～50nm nanometer silver can form effective sterilizing ability；Molybdenum bisuphide
Wear rate and coefficient of friction can be greatly reduced, and wear rate reduces about about 60 parts, and coefficient of friction reduces by 10～15 parts；Add
The carbon fiber entered can be greatly increased anti-wear performance and the intensity of ptfe composite；Can significantly drop by adding graphite powder
The coefficient of friction of low sealing ring, is greatly improved Wear vesistance, improves sealing property and the reliability of transfusion machine further.
The invention has the beneficial effects as follows:
1, by be provided with can only control system can monitoring transfusion situation in real time, and transfusion is controlled more accurate, it is simple to tune
The uninterrupted of joint transfusion, thus realize carrying out the transfusion of different flow for different patients, different medicinal liquids, live by using
Plug reciprocating pump can reduce the cost of transfusion machine, and Piston Reciprocating Pump is as the power source of transfusion machine, it is possible to increase transfusion machine
Reliability so that transfusion machine is more durable.
2, the stop collar of the pottery by being provided with ensure that moving axially of piston rod, is substantially reduced piston rod bias and moves
Dynamic, thus affect the sealing of piston rod, this structure considerably increases the reliability of the sealing of piston rod；Piston rod surface passes through
Nitrogen treatment can increase stainless hardness, reduces the abrasion of piston rod, increases the service life of piston rod；By sealing
Ring is provided with trapezoidal ring cone, and ring cone is provided with multiple annulus such that it is able to is greatly increased the reliability of sealing, and is formed many
Level seals, by being 60～70 ° by the angle at the base angle of isosceles triangle, it is possible to make two waist energy of the annulus of isosceles triangle
Enough form annulus and piston body inwall effectively supports, and will not form turnup, increases the reliability sealed；And compound poly-four
The sealing ring of fluorothene can increase the wearability of sealing, wear resistence, reduction coefficient of friction, the most also has certain sterilization energy
In power.
3, the antibacterial that the nanometer silver by adding enables to being likely to occur at the sealing in moist transfusion machine plays
Antibacterial effect, particle diameter be 35～50nm nanometer silver can form effective sterilizing ability；Molybdenum bisuphide can be greatly reduced
Wear rate and coefficient of friction, wear rate reduces about about 60 parts, and coefficient of friction reduces by 10～15 parts；The carbon fiber energy added
Enough it is greatly increased anti-wear performance and the intensity of ptfe composite；The rubbing of sealing ring can be greatly reduced by adding graphite powder
Wipe coefficient, Wear vesistance is greatly improved, improve sealing property and the reliability of transfusion machine further.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of the medical infusion machine of the present invention；
Fig. 2 is the structural representation of sealing ring.
Labelling in figure: 1 for eccentric, 2 for stop collar, 3 for the pump housing, 4 for pump chamber, 5 for feed liquor runner, 6 for go out liquid stream road,
7 be piston body, 8 for piston rod, 9 for sealing ring, 9.1 for ring body, 9.2 for ring cone, 9.3 for annulus, 10 be feed liquor check valve, 11
For going out liquid check valve.
Detailed description of the invention
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment one:
Medical infusion machine as shown in Figures 1 and 2, including: intelligence control system, alarm device, driving means and piston reciprocating
Pump, described alarm device, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively.Piston Reciprocating Pump bag: eccentric
Wheel 1, stop collar 2, the pump housing 3, pump chamber 4, feed liquor runner 5, go out liquid stream road 6, piston body 7, piston rod 8, sealing ring 9, ring body 9.1,
Ring cone 9.2, annulus 9.3, feed liquor check valve 10 and go out liquid check valve 11, piston body 7 is arranged on the side of the pump housing 3, sets in the pump housing 3
There are pump chamber 4, pump chamber 4 to connect with the plunger shaft of piston body 7, are provided with piston rod 8 in piston body 7, between piston body 7 and piston rod 8
It is provided with sealing ring 9.
Driving means includes frequency conversion motor, decelerator and eccentric 1, and frequency conversion motor is coordinated with eccentric 1 by decelerator
Installing, eccentric 1 is connected with piston rod 8 by linkage；Intelligence control system includes: arm processor, memorizer and touch
Control panel, arm processor is connected with memorizer, frequency conversion motor and touch control screen, and arm processor is also respectively at effusion meter, gas
Bubble induction apparatus connects.
The bottom of piston body 7 has the feed liquor runner 5 connected with pump chamber 4, top have connect with pump chamber 4 go out liquid stream road
6, described feed liquor runner 5 and be respectively equipped with feed liquor check valve 10 and go out liquid check valve 11 in going out liquid stream road 6；Described feed liquor check valve
10 and go out liquid check valve 11 for floating ball one-way valve, the ball float material of floating ball one-way valve is sapphire/PTFE/ pottery, usually pottery
Porcelain.Being provided with stop collar 2 between piston body 7 and piston rod 8, the material of described stop collar 2 is pottery, and the material of piston rod 8 is table
Face is through the medical 316L stainless steel of nitridation；Described sealing ring 9 is provided close to the end of the piston rod 8 of pump chamber 4, and sealing ring 9 wraps
Including the ring body 9.1 that cross section is rectangle is trapezoidal ring cone 9.2 with cross section, and ring body 9.1 is located in ring cone 9.2, the cylindrical of ring cone 9.2
Sealing surface is provided with the annulus 9.3 that 3 cross sections are isosceles triangle, and the angle at the base angle of described isosceles triangle is 65 °, seals
The material of ring 9 is ptfe composite, and piston 7 inwall is through nitrogen treatment.
Each constituent mass proportioning of the ptfe composite material of sealing ring 9 is:
Ptfe emulsion: 82 parts；Nanometer silver: 4.2 parts；Molybdenum disulfide powder: 6 parts；Carbon fiber: 4.5 parts；Graphite powder: 3.3
Part.
The particle size diameter of described nanometer silver is 35nm, and carbon fiber is carbon fiber powder, and the monofilament of described carbon fiber powder is straight
Footpath is 7 microns, and draw ratio is 3:1.
The preparation method of described ptfe composite is:
Step one, adds nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder in dehydrated alcohol and is ground, after grinding
It is vacuum dried at 115 DEG C, carries out mixed at high speed 5min after drying, pour in the incubating solvent of 65 DEG C and stir；
Step 2, nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture after stirring join polytetrafluoro
Vac emulsion stirs, and makees the supersound process of 40 minutes；
Step 3, by the ptfe emulsion containing nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture 80
DEG C vacuum in be dried molding, then in the demineralized water of 18 DEG C, carry out cooling and shaping.
Embodiment two:
Medical infusion machine as shown in Figures 1 and 2, including: including: intelligence control system, alarm device, driving means and piston
Reciprocating pump, described alarm device, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively.Piston Reciprocating Pump bag:
Eccentric 1, stop collar 2, the pump housing 3, pump chamber 4, feed liquor runner 5, go out liquid stream road 6, piston body 7, piston rod 8, sealing ring 9, ring body
9.1, ring cone 9.2, annulus 9.3, feed liquor check valve 10 and go out liquid check valve 11, piston body 7 is arranged on the side of the pump housing 3, the pump housing 3
Inside being provided with pump chamber 4, pump chamber 4 connects with the plunger shaft of piston body 7, is provided with piston rod 8, piston body 7 and piston rod 8 in piston body 7
Between be provided with sealing ring 9.
Driving means includes frequency conversion motor, decelerator and eccentric 1, and frequency conversion motor is coordinated with eccentric 1 by decelerator
Installing, eccentric 1 is connected with piston rod 8 by linkage；Intelligence control system includes: arm processor, memorizer and touch
Control panel, arm processor is connected with memorizer, frequency conversion motor and touch control screen, and arm processor is also respectively at effusion meter, gas
Bubble induction apparatus connects.
The bottom of piston body 7 has the feed liquor runner 5 connected with pump chamber 4, top have connect with pump chamber 4 go out liquid stream road
6, described feed liquor runner 5 and be respectively equipped with feed liquor check valve 10 and go out liquid check valve 11 in going out liquid stream road 6；Described feed liquor check valve
10 and go out liquid check valve 11 for floating ball one-way valve, the ball float material of floating ball one-way valve is sapphire/PTFE/ pottery, usually pottery
Porcelain.Being provided with stop collar 2 between piston body 7 and piston rod 8, the material of described stop collar 2 is pottery, and the material of piston rod 8 is table
Face is through the medical 316L stainless steel of nitridation；Described sealing ring 9 is provided close to the end of the piston rod 8 of pump chamber 4, and sealing ring 9 wraps
Including the ring body 9.1 that cross section is rectangle is trapezoidal ring cone 9.2 with cross section, and ring body 9.1 is located in ring cone 9.2, the cylindrical of ring cone 9.2
Sealing surface is provided with the annulus 9.3 that 3 cross sections are isosceles triangle, and the angle at the base angle of described isosceles triangle is 65 °, seals
The material of ring 9 is ptfe composite, and piston 7 inwall is through nitrogen treatment.
Each constituent mass proportioning of the ptfe composite material of sealing ring 9 is:
Ptfe emulsion: 83 parts；Nanometer silver: 3 parts；Molybdenum disulfide powder: 6.2 parts；Carbon fiber: 5 parts；Graphite powder: 2.8
Part.
The particle size diameter of described nanometer silver is 50nm, and carbon fiber is carbon fiber powder, and the monofilament of described carbon fiber powder is straight
Footpath is 7 microns, and draw ratio is 2:1.
The preparation method of described ptfe composite is:
Step one, adds nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder in dehydrated alcohol and is ground, after grinding
It is vacuum dried at 110 DEG C, carries out mixed at high speed 5min after drying, pour in the incubating solvent of 65 DEG C and stir；
Step 2, nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture after stirring join polytetrafluoro
Vac emulsion stirs, and makees the supersound process of 40 minutes；
Step 3, by the ptfe emulsion containing nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture 70
DEG C vacuum in be dried molding, then in the demineralized water of 15 DEG C, carry out cooling and shaping.
Embodiment three:
Medical infusion machine as shown in Figures 1 and 2, including: including: intelligence control system, alarm device, driving means and piston
Reciprocating pump, described alarm device, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively.Piston Reciprocating Pump bag:
Eccentric 1, stop collar 2, the pump housing 3, pump chamber 4, feed liquor runner 5, go out liquid stream road 6, piston body 7, piston rod 8, sealing ring 9, ring body
9.1, ring cone 9.2, annulus 9.3, feed liquor check valve 10 and go out liquid check valve 11, piston body 7 is arranged on the side of the pump housing 3, the pump housing 3
Inside being provided with pump chamber 4, pump chamber 4 connects with the plunger shaft of piston body 7, is provided with piston rod 8, piston body 7 and piston rod 8 in piston body 7
Between be provided with sealing ring 9.
Driving means includes frequency conversion motor, decelerator and eccentric 1, and frequency conversion motor is coordinated with eccentric 1 by decelerator
Installing, eccentric 1 is connected with piston rod 8 by linkage；Intelligence control system includes: arm processor, memorizer and touch
Control panel, arm processor is connected with memorizer, frequency conversion motor and touch control screen, and arm processor is also respectively at effusion meter, gas
Bubble induction apparatus connects.
The bottom of piston body 7 has the feed liquor runner 5 connected with pump chamber 4, top have connect with pump chamber 4 go out liquid stream road
6, described feed liquor runner 5 and be respectively equipped with feed liquor check valve 10 and go out liquid check valve 11 in going out liquid stream road 6；Described feed liquor check valve
10 and go out liquid check valve 11 for floating ball one-way valve, the ball float material of floating ball one-way valve is sapphire/PTFE/ pottery, usually pottery
Porcelain.Being provided with stop collar 2 between piston body 7 and piston rod 8, the material of described stop collar 2 is pottery, and the material of piston rod 8 is table
Face is through the medical 316L stainless steel of nitridation；Described sealing ring 9 is provided close to the end of the piston rod 8 of pump chamber 4, and sealing ring 9 wraps
Including the ring body 9.1 that cross section is rectangle is trapezoidal ring cone 9.2 with cross section, and ring body 9.1 is located in ring cone 9.2, the cylindrical of ring cone 9.2
Sealing surface is provided with the annulus 9.3 that 3 cross sections are isosceles triangle, and the angle at the base angle of described isosceles triangle is 65 °, seals
The material of ring 9 is ptfe composite, and piston 7 inwall is through nitrogen treatment.
Each constituent mass proportioning of the ptfe composite material of sealing ring 9 is:
Ptfe emulsion: 80 parts；Nanometer silver: 2.5 parts；Molybdenum disulfide powder: 5 parts；Carbon fiber: 4 parts；Graphite powder: 2.5
Part.
The particle size diameter of described nanometer silver is 39nm, and carbon fiber is carbon fiber powder, and the monofilament of described carbon fiber powder is straight
Footpath is 7 microns, and draw ratio is 4:1.
The preparation method of described ptfe composite is:
Step one, adds nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder in dehydrated alcohol and is ground, after grinding
It is vacuum dried at 120 DEG C, carries out mixed at high speed 5min after drying, pour in the incubating solvent of 65 DEG C and stir；
Step 2, nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture after stirring join polytetrafluoro
Vac emulsion stirs, and makees the supersound process of 40 minutes；
Step 3, by the ptfe emulsion containing nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture 85
DEG C vacuum in be dried molding, then in the demineralized water of 25 DEG C, carry out cooling and shaping.
Embodiment four:
Medical infusion machine as shown in Figures 1 and 2, including: including: intelligence control system, alarm device, driving means and piston
Reciprocating pump, described alarm device, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively.Piston Reciprocating Pump bag:
Eccentric 1, stop collar 2, the pump housing 3, pump chamber 4, feed liquor runner 5, go out liquid stream road 6, piston body 7, piston rod 8, sealing ring 9, ring body
9.1, ring cone 9.2, annulus 9.3, feed liquor check valve 10 and go out liquid check valve 11, piston body 7 is arranged on the side of the pump housing 3, the pump housing 3
Inside being provided with pump chamber 4, pump chamber 4 connects with the plunger shaft of piston body 7, is provided with piston rod 8, piston body 7 and piston rod 8 in piston body 7
Between be provided with sealing ring 9.
Driving means includes frequency conversion motor, decelerator and eccentric 1, and frequency conversion motor is coordinated with eccentric 1 by decelerator
Installing, eccentric 1 is connected with piston rod 8 by linkage；Intelligence control system includes: arm processor, memorizer and touch
Control panel, arm processor is connected with memorizer, frequency conversion motor and touch control screen, and arm processor is also respectively at effusion meter, gas
Bubble induction apparatus connects.
The bottom of piston body 7 has the feed liquor runner 5 connected with pump chamber 4, top have connect with pump chamber 4 go out liquid stream road
6, described feed liquor runner 5 and be respectively equipped with feed liquor check valve 10 and go out liquid check valve 11 in going out liquid stream road 6；Described feed liquor check valve
10 and go out liquid check valve 11 for floating ball one-way valve, the ball float material of floating ball one-way valve is sapphire/PTFE/ pottery, usually pottery
Porcelain.Being provided with stop collar 2 between piston body 7 and piston rod 8, the material of described stop collar 2 is pottery, and the material of piston rod 8 is table
Face is through the medical 316L stainless steel of nitridation；Described sealing ring 9 is provided close to the end of the piston rod 8 of pump chamber 4, and sealing ring 9 wraps
Including the ring body 9.1 that cross section is rectangle is trapezoidal ring cone 9.2 with cross section, and ring body 9.1 is located in ring cone 9.2, the cylindrical of ring cone 9.2
Sealing surface is provided with the annulus 9.3 that 3 cross sections are isosceles triangle, and the angle at the base angle of described isosceles triangle is 65 °, seals
The material of ring 9 is ptfe composite, and piston 7 inwall is through nitrogen treatment.
Each constituent mass proportioning of the ptfe composite material of sealing ring 9 is:
Ptfe emulsion: 85 parts；Nanometer silver: 4.5 parts；Molybdenum disulfide powder: 6.5 parts；Carbon fiber: 4 parts；Graphite powder: 3.5
Part.
The particle size diameter of described nanometer silver is 37nm, and carbon fiber is carbon fiber powder, and the monofilament of described carbon fiber powder is straight
Footpath is 7 microns, and draw ratio is 3:1.
The preparation method of described ptfe composite is:
Step one, adds nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder in dehydrated alcohol and is ground, after grinding
It is vacuum dried at 118 DEG C, carries out mixed at high speed 5min after drying, pour in the incubating solvent of 65 DEG C and stir；
Step 2, nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture after stirring join polytetrafluoro
Vac emulsion stirs, and makees the supersound process of 40 minutes；
Step 3, by the ptfe emulsion containing nanometer silver, molybdenum disulfide powder, carbon fiber and graphite powder mixture 78
DEG C vacuum in be dried molding, then in the demineralized water of 22 DEG C, carry out cooling and shaping.
Claims (8)
1. a medical infusion machine, it is characterised in that including: intelligence control system, alarm device, driving means and piston reciprocating
Pump, described alarm device, driving means and Piston Reciprocating Pump are connected with intelligence control system respectively.
Medical infusion machine the most according to claim 1, it is characterised in that described Piston Reciprocating Pump includes the pump housing (3) and lives
Cock body (7), piston body (7) is arranged on the side of the pump housing (3), is provided with pump chamber (4), pump chamber (4) and piston body (7) in the pump housing (3)
Plunger shaft connection, be provided with piston rod (8) in piston body (7), between piston body (7) and piston rod (8), be provided with sealing ring (9).
Medical infusion machine the most according to claim 1, it is characterised in that described driving means includes frequency conversion motor, deceleration
Device and eccentric (1), frequency conversion motor coordinates installation by decelerator with eccentric (1), and eccentric (1) passes through linkage and work
Stopper rod (8) connects.
Medical infusion machine the most according to claim 1, it is characterised in that described intelligence control system includes: ARM process
Device, memorizer, frequency conversion motor and touch control screen, arm processor is connected with memorizer and touch control screen.
Medical infusion machine the most according to claim 2, it is characterised in that the bottom of described piston body (7) has and pump chamber
(4) the feed liquor runner (5) connected, top have connect with pump chamber (4) go out liquid stream road (6), described feed liquor runner (5) and go out liquid
It is respectively equipped with feed liquor check valve (10) in runner (6) and goes out liquid check valve (11)；Described feed liquor check valve (10) and to go out liquid unidirectional
Valve (11) is floating ball one-way valve, and the ball float material of floating ball one-way valve is sapphire/PTFE/ pottery.
Medical infusion machine the most according to claim 2, it is characterised in that set between described piston body (7) and piston rod (8)
Limited location set (2), the material of described stop collar (2) is pottery, and the material of piston rod (8) is the surface medical 316L through nitridation
Rustless steel；Described sealing ring (9) is provided close to the end of the piston rod (8) of pump chamber (4), and sealing ring (9) includes that cross section is rectangle
Ring body (9.1) and cross section be trapezoidal ring cone (9.2), ring body (9.1) is located in ring cone (9.2), and the cylindrical of ring cone (9.2) is close
Front cover is provided with the annulus (9.3) that 2～4 cross sections are isosceles triangle, the angle at the base angle of described isosceles triangle be 60～
70 °, the material of sealing ring (9) is ptfe composite.
Medical infusion machine the most according to claim 6, it is characterised in that the ptfe composite of described sealing ring (9)
Each constituent mass proportioning of material is:
Ptfe emulsion: 80～85 parts；Nanometer silver: 2.5～4.5 parts；Molybdenum disulfide powder: 5～6.5 parts；Carbon fiber: 4
～7 parts；Graphite powder: 2.5～3.5 parts.
Medical infusion machine the most according to claim 7, it is characterised in that the particle size diameter of described nanometer silver be 35～
50nm, carbon fiber is carbon fiber powder, and the filament diameter of described carbon fiber powder is 7 microns, and draw ratio is 2:1～4:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662673.2A CN106215277A (en) | 2016-08-15 | 2016-08-15 | A kind of medical infusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662673.2A CN106215277A (en) | 2016-08-15 | 2016-08-15 | A kind of medical infusion machine |
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| CN106215277A true CN106215277A (en) | 2016-12-14 |
Family
ID=57547284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610662673.2A Pending CN106215277A (en) | 2016-08-15 | 2016-08-15 | A kind of medical infusion machine |
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| CN (1) | CN106215277A (en) |
Cited By (4)
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| CN108451574A (en) * | 2018-07-04 | 2018-08-28 | 南通市中医院 | A kind of infusion intravenous pressing device |
| CN108607133A (en) * | 2018-03-28 | 2018-10-02 | 泉州创源机电科技有限公司 | A kind of Medical infusion controller |
| WO2021128684A1 (en) * | 2019-12-27 | 2021-07-01 | 南微医学科技股份有限公司 | Accommodation member, pump head and pressure pump |
| CN114306762A (en) * | 2021-12-10 | 2022-04-12 | 北京大学第三医院（北京大学第三临床医学院） | Impulse type liquid guide device and liquid conveying and discharging system |
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| CN108607133A (en) * | 2018-03-28 | 2018-10-02 | 泉州创源机电科技有限公司 | A kind of Medical infusion controller |
| CN108451574A (en) * | 2018-07-04 | 2018-08-28 | 南通市中医院 | A kind of infusion intravenous pressing device |
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| CN114306762A (en) * | 2021-12-10 | 2022-04-12 | 北京大学第三医院（北京大学第三临床医学院） | Impulse type liquid guide device and liquid conveying and discharging system |
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