CN108114342A - One kind cut somebody's hair component, for medicine infusion device and supply medicine infusion system - Google Patents
One kind cut somebody's hair component, for medicine infusion device and supply medicine infusion system Download PDFInfo
- Publication number
- CN108114342A CN108114342A CN201711366279.5A CN201711366279A CN108114342A CN 108114342 A CN108114342 A CN 108114342A CN 201711366279 A CN201711366279 A CN 201711366279A CN 108114342 A CN108114342 A CN 108114342A
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- Prior art keywords
- component
- hair
- cutting somebody
- impeller
- fixing piece
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Classifications
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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
- A61M5/1454—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons spring-actuated, e.g. by a clockwork
-
- 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
- A61M2005/14506—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons mechanically driven, e.g. spring or clockwork
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to field of medical device, disclose one kind cut somebody's hair component, for medicine infusion device and supply medicine infusion system.Component of cutting somebody's hair includes the fixing piece for being fixed on seat of cutting somebody's hair, the impeller, eccentric mechanism and the pressure sensor that are movably connected on fixing piece.The eccentric wheel of eccentric mechanism its major diameter when rotating can periodically abut the pressure sensor on limiting section, and carry out liquid propulsion with driving impeller pulsed.The push-in stroke for component of cutting somebody's hair is adjusted in the case where pressure (peak value) is kept to stablize, therefore is easy to implement the stable supplying of liquid.When eccentric wheel persistently rotates and surge pressure is constant always means may to occur liquid and block.The simple and stable structure is easily achieved, and cost is relatively low, and steadily can persistently promote liquid, easily finds the abnormal phenomenon such as blocking.The present invention's includes above-mentioned component of cutting somebody's hair for medicine infusion device, for medicine infusion system, therefore also has above-mentioned advantageous effect.
Description
Technical field
The present invention relates to field of medical device, cut somebody's hair component, for medicine infusion device and defeated for medicine in particular to one kind
Injection system.
Background technology
After the completion of operation, wound or operative site are carried out long lasting for local anaesthesia sometimes, needing to complete to be somebody's turn to do
During anesthesia procedure, generally require to use infusion pump (analgesia pump).Its cardinal principle is the pressure or stream by adjusting infusion system
Amount, ailing place is slowly infused by anaesthetic according to the amount of very little.At present there are mainly two types of infusion pumps, passive silicon glue laminated solenoid provides
Power type and electronic peristaltic pump adjustable control type.
Silica gel cast infusion pump main problem is cumbersome for product quality stability control at present, and component production and assembly are more numerous
Trivial, product control is relatively stringent more cumbersome.Simultaneously as the liquid squeezed into is entered human body, liquid body to be entered in silicone tube infusion process
Product reduces, so that silica gel degrees of expansion becomes smaller, infusion pressure becomes smaller so as to which flow reduces, that is, the stability conveyed is poor.And
Electronic peristaltic pump adjustable control type infusion pump major defect is of high cost, serious waste of resources.
The content of the invention
It cuts somebody's hair component it is an object of the invention to provide one kind, can steadily carry out micro for medicine, and cost is relatively low.
Another object of the present invention is to provide it is a kind of supply medicine infusion device, can steadily carry out it is micro for medicine, and
Cost is relatively low.
Medicine infusion system is supplied it is still another object of the present invention to provide a kind of, medicine infusion device is supplied including above-mentioned,
It can steadily carry out micro for medicine, and cost is relatively low.
What the embodiment of the present invention was realized in：
One kind is cut somebody's hair component, and for injection liquid, component of cutting somebody's hair includes being fixed on the fixing piece for seat of cutting somebody's hair, activity even
The impeller and eccentric mechanism of fixing piece are connected to, impeller can be moved compared with fixing piece on the first preset direction；
Impeller has a first end and a second end, and first end is used to abut the piston of liquid conveying device, and second end passes through eccentric turbine
Structure is connected to a limiting section being arranged on fixing piece, and the one side of limiting section towards impeller is provided with pressure sensor；
Eccentric mechanism includes eccentric wheel and for driving the 3rd driving portion that eccentric wheel rotates, and eccentric mechanism can phase
It is moved for fixing piece on the first preset direction；Eccentric wheel its major diameter when rotating can be abutted periodically on limiting section
Pressure sensor, the second end of impeller are connected by spring with eccentric mechanism.
In an embodiment of the present invention, the eccentric mechanism of above-mentioned component of cutting somebody's hair further includes motor cabinet, bias rotation
Dynamic to be connected to motor cabinet, motor cabinet can be moved compared with fixing piece on the first preset direction；One end of spring and motor cabinet phase
Even.
In an embodiment of the present invention, railroad shoe, railroad shoe are fixedly installed on the fixing piece of above-mentioned component of cutting somebody's hair
On be provided with the track extended along the first preset direction, motor cabinet is slidably connected to track.
In an embodiment of the present invention, the limiting section of above-mentioned component of cutting somebody's hair is the support set in railroad shoe
Plate, pressure sensor are arranged at one side of the support plate towards the first preset direction.
In an embodiment of the present invention, the second end of the impeller of above-mentioned component of cutting somebody's hair is provided with waist-shaped hole, waist type
Hole has predetermined width on the first preset direction, and fixing piece passes through a caging bolt through waist-shaped hole and impeller activity
Link.
In an embodiment of the present invention, above-mentioned component of cutting somebody's hair further includes locked component, and locked component can be compared with
Fixing piece slides on the first preset direction；Pressure-strain piece is provided on fixing piece, pressure-strain piece can be in locked component
Locked component is abutted during backwards to the movement of the first preset direction；Locked component includes sticking department, and sticking department can be selectively with pushing away
Moving part is fixedly connected, to realize that locked component keeps relative position to fix with impeller.
In an embodiment of the present invention, the sticking department of the locked component of above-mentioned component of cutting somebody's hair is a pin wheel, is sold
In nail wheel there is pin, cotter slot is provided on impeller；Pin can selectively be matched somebody with somebody when pin wheel rotates with cotter slot
It closes, locked component is made to be relatively fixed with impeller.
Present invention offer is a kind of to supply medicine infusion device, includes drive component and above-mentioned group of cutting somebody's hair for medicine infusion device
Part, drive component are provided with seat of cutting somebody's hair, and component of cutting somebody's hair is arranged at seat of cutting somebody's hair, and drive component is for driving seat of cutting somebody's hair default first
Side moves upwards.
In an embodiment of the present invention, the above-mentioned drive component for medicine infusion device includes：
Fast feed component, fast feed component include pedestal and are arranged at the first driving mechanism of pedestal；
Microfeed component, microfeed component include be sequentially connected in the first driving mechanism pedestal, be arranged at pedestal
The second driving portion and with the second driving portion be sequentially connected seat of cutting somebody's hair；
Wherein, microfeed component can be moved in the first preset direction of driving lower edge of the first driving mechanism, seat of cutting somebody's hair
It can be moved in the first preset direction of driving lower edge of the second driving portion.
It is a kind of to supply medicine infusion system, supply medicine infusion device and liquid conveying device, liquid conveying dress including above-mentioned
It puts including cylindrantherae, cylindrantherae is interior to have the piston in sealing contact with drug cylinder, and one end of cylindrantherae is provided with throttling tube assembly, throttles
Tube assembly is connected with cylindrantherae；Component of cutting somebody's hair is used to promote piston on the first preset direction.
The advantageous effect of the embodiment of the present invention is：
The component of cutting somebody's hair of the present invention includes being fixed on the fixing piece for seat of cutting somebody's hair, being movably connected on the promotion of fixing piece
Part, eccentric mechanism, impeller can be moved compared with fixing piece on the first preset direction；Eccentric mechanism is promoted to be connected to
A limiting section being arranged on fixing piece, the one side of limiting section towards impeller is provided with pressure sensor.Eccentric mechanism
Eccentric wheel when rotating its major diameter can periodically abut pressure sensor on limiting section, the second end of impeller passes through
Spring is connected with eccentric mechanism.Therefore using the structure, pressure sensor can be periodically detected spring maximum compression
The thrust of pressure during amount, i.e. impeller can be promoted when the peak value for detecting pressure is gradually reduced to the first preset direction
It cuts somebody's hair component, pressure is made to stablize again in a default scope, therefore liquid can be always by the pressure of a cycle
It is squeezed, and the peak value of the pressure can be stablized in a default scope.Therefore the stable supplying of liquid is realized.Work as bias
Lasting rotate of wheel and surge pressure is constant always means that liquid blocking may occur.The simple and stable structure is easily achieved, into
This is relatively low.
The present invention's includes above-mentioned component of cutting somebody's hair for medicine infusion device, for medicine infusion system, which stablizes, into
This is relatively low, also can more easily judge liquid blocking whether occurs compared with the micro infusion of liquid is stably accomplished.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram that medicine infusion device is supplied in the embodiment of the present invention 1；
Fig. 2 is the structure diagram of fast feed component in the embodiment of the present invention 1；
Fig. 3 is the scheme of installation of microfeed component in the embodiment of the present invention 1；
Fig. 4 is the structure diagram of component of cutting somebody's hair in the embodiment of the present invention 1；
Fig. 5 is the structure diagram of quick-speed jigs in the embodiment of the present invention 1；
Fig. 6 is the structure diagram of 1 herb liquid conveying device of the embodiment of the present invention；
Fig. 7 is the structure diagram that medicine infusion device is supplied in the embodiment of the present invention 2；
Fig. 8 is the structure diagram of component of cutting somebody's hair in the embodiment of the present invention 2；
Fig. 9 is the enlarged drawing of local I X in Fig. 8；
Figure 10 is the structure diagram that medicine infusion device is supplied in the embodiment of the present invention 3；
Figure 11 is the structure diagram of component of cutting somebody's hair in the embodiment of the present invention 3.
Icon：100- supplies medicine infusion device；110- fast feed components；111- pedestals；The first driving portions of 112-；113-
Thick stick；The first guide rails of 114-；The first sliding blocks of 115-；116- nut seats；120- microfeed components；121- pedestals；122- displacement spiral shells
Bar；123- threaded blocks；124- cuts somebody's hair seat；The second driving portions of 125-；The second guide rails of 126-；127- driving portion sliding blocks；130- cuts somebody's hair
Component；131- fixing pieces；132- impellers；132a- first ends；132b- second ends；133- pressure sensors；134- limiting sections；
135- springs；136- waist-shaped holes；137- caging bolts；140- quick-speed jigs；141- fixture blocks；142- is buckled；210- liquids convey
Device；211- cylindrantheraes；212- pistons；213- extension tubes；214- micro-pipes；215- filters；216- injects connector；217- Rule connects
Head；300- supplies medicine infusion device；310- cuts somebody's hair component；330- eccentric wheels；331- motor cabinets；The 3rd driving portions of 332-；333- bullets
Spring abutment；334- push rods；335- support plates；336- railroad shoes；400- supplies medicine infusion device；410- cuts somebody's hair component；430- locking groups
Part；431- pin wheels；432- fourth drive parts；433- mounting bases；434- pressure-strain pieces.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can configure to arrange and design with a variety of.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation, term " on ", " under ", "left", "right", " interior ", " outer " in the description of the embodiment of the present invention
It is to be used to based on orientation shown in the drawings or position relationship or when invention product use when the orientation of instructions or position relationship
The orientation or position relationship often put, be for only for ease of description the embodiment of the present invention and simplify description rather than instruction or
Imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that
Limitation of the present invention.In addition, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for distinguishing description, and cannot manage
It solves to indicate or imply relative importance.
In the description of the embodiment of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term
" setting ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or detachably connecting
It connects or is integrally connected；It can be directly connected, can also be indirectly connected by intermediary, can be inside two elements
Connection.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Embodiment 1
Fig. 1 is the structure diagram that medicine infusion device 100 is supplied in the embodiment of the present invention 1.Fig. 1 is refer to, the present embodiment carries
For a kind of for medicine infusion device 100, the microfeed being sequentially connected including fast feed component 110, with fast feed component 110
Component 120 and the component 130 of cutting somebody's hair for being arranged at microfeed component 120, component 130 of cutting somebody's hair are used to promote liquid conveying device
210 piston 212.Fast feed component 110 can drive microfeed component 120 faster (opposite to the first preset direction
In the driving velocity of microfeed component 120) it is mobile, microfeed component 120 can further drive component 130 of cutting somebody's hair to the
One preset direction moves.
Fig. 2 is the structure diagram of fast feed component 110 in the embodiment of the present invention 1.Fig. 2 is refer to, in the present embodiment
In, fast feed component 110 includes pedestal 111 and is arranged at the first driving mechanism of pedestal 111.Pedestal 111 is plate, the
One driving mechanism is arranged at the upper surface of pedestal 111.
First driving mechanism includes the leading screw for being fixed on the first driving portion 112 of pedestal 111, extending along the first preset direction
113 and the nut seat 116 that is threadedly coupled with leading screw 113.Two first guide rails 114 are equipped on pedestal 111, two first are led
114 parallel interval of rail sets and extends along the first preset direction.First guide rail 114 is fastenedly connected with pedestal 111 by screw.
First driving portion 112 is fixedly connected by a pedestal with pedestal 111, and leading screw 113 can be driven to rotate.Therefore the first driving
Portion 112, pedestal, 111 and first guide rail 114 of pedestal keep relative position constant.
The first sliding block 115 is provided on first guide rail 114, the first sliding block 115 can be compared with the first guide rail 114 first
It is slided on preset direction, the first sliding block 115 is fixedly connected with the pedestal 121 of microfeed component 120.Each first guide rail 114
Upper slide respectively is set there are two the first sliding block 115, this four the first sliding blocks 115 and nut seat 116 with microfeed group
Part 120 is fixedly connected, and when leading screw 113 rotates nut seat 116 is driven to be moved in the first preset direction, so that 116 band of nut seat
Dynamic microfeed component 120 moves, and microfeed component 120 is slidably connected by the first sliding block 115 and the first guide rail 114, the
One sliding block 115 plays the role of stable microfeed component 120.
Fig. 3 is the scheme of installation of microfeed component 120 in the embodiment of the present invention 1.It refer to Fig. 3 and combine Fig. 2,
In the present embodiment, microfeed component 120 includes pedestal 121, the threaded block 123 and threaded block that are fixedly installed on pedestal 121
123 be threadedly coupled Variable pitch screws 122, driving Variable pitch screw 122 rotate the second driving portion 125 and with Variable pitch screw 122
The seat 124 of cutting somebody's hair being threadedly coupled.Pedestal 121 is a plate body, and lower surface is fixed with the first sliding block 115, nut seat 116 to be connected
It connects.Therefore opposite pedestal 111 can be moved under the driving of the first driving mechanism along the first preset direction.
In the present embodiment, second extended along the first preset direction is provided on the pedestal 121 of microfeed component 120
Guide rail 126, the second driving portion 125 by driving portion sliding block 127 be slidably connected to the second guide rail 126 and with Variable pitch screw 122
One end is sequentially connected, and seat 124 of cutting somebody's hair is slidably connected to the second guide rail 126 by another sliding block.In order to ensure the second driving portion
125 and the stability of seat 124 of cutting somebody's hair, the second guide rail 126 set for two and parallel interval, threaded block 123 is arranged at two the
Between two guide rails 126.Variable pitch screw 122 extends and can have around own axis, Variable pitch screw 122 along the first preset direction
First screw thread (not shown) and the second screw thread (not shown), the screw pitch of the second screw thread are less than the first screw thread, the first screw thread and screw thread
Seat 123 is threadedly coupled, and the second screw thread is threadedly coupled with seat 124 of cutting somebody's hair, and seat 124 of cutting somebody's hair can be default first compared with pedestal 121
Square upward sliding.In the present embodiment, threaded block 123 between the second driving portion 125 and seat 124 of cutting somebody's hair, the first screw thread
For the screw thread of right-hand pitch 2.05mm, the second screw thread is the screw thread of dextrorotation 2.00mm, and the second driving portion 125 is chosen as stepping electricity
Machine.
The Operational Mechanisms of microfeed component 120 are, when the second driving portion 125 driving Variable pitch screw 122 turns right one
Zhou Shi, since threaded block 123 is fixed, so the second driving portion 125 and Variable pitch screw 122 move right compared with pedestal 121
2.05mm；Cut somebody's hair seat 124 due to be with screw pitch be 2.00mm the second thread fitting, so its compared with Variable pitch screw 122 to
2.00mm is moved left, generally, seat 124 of cutting somebody's hair just has moved right 0.05mm compared with pedestal 121, so just realizes micro-
Amount promotes.It should be appreciated that in other embodiments of the invention, the first screw thread, the screw pitch numerical value of the second screw thread can adjust,
When being rotated one week with changing Variable pitch screw 122, the push-in stroke for seat 124 of cutting somebody's hair.
Fig. 4 is the structure diagram of component 130 of cutting somebody's hair in the embodiment of the present invention 1.It refer to Fig. 4 and combine Fig. 1 to Fig. 3,
In the present embodiment, component 130 of cutting somebody's hair includes being fixed on the fixing piece 131 for seat 124 of cutting somebody's hair and is movably connected on fixing piece 131
Impeller 132, impeller 132 can be moved compared with fixing piece 131 on the first preset direction；Impeller 132 has first
132a and second end 132b, first end 132a is held to be used to abut the piston 212 (see Fig. 1) of liquid conveying device 210, second end
132b is used to be connected to a limiting section 134 being arranged on fixing piece 131, and the one side of limiting section 134 towards impeller 132 is set
Pressure sensor 133 is equipped with, in the present embodiment, which is a pressure-strain piece.
In the present embodiment, fixing piece 131 includes the cylinder with cavity, and fixing piece 131 is fixedly installed on seat of cutting somebody's hair
124, axis extends along the first preset direction.Limiting section 134 is arranged at the one end open of cylinder, and closes this end.Cylinder
Another end opening of body stretches into fixing piece 131, and energy towards the first preset direction, the second end 132b of impeller 132 from this end
It is enough to be moved compared with fixing piece 131 in the first preset direction.Specifically, impeller 132 is an axis body, the of impeller 132
Two end 132b have smaller diameter and form a multi-diameter shaft, and cascaded surface extend into cylinder, and pass through a spring 135 and limit
Position portion 134 is connected.In the present embodiment, spring 135 is sheathed on the second end 132b of impeller 132, and spring 135 is not direct
It is connected to pressure sensor 133.In addition, the second end 132b of impeller 132 is set there are one waist-shaped hole 136, waist-shaped hole 136 has
There is the width extended on the first preset direction, fixing piece 131 also offers hole, and impeller 132 passes through waist-shaped hole by one
136 caging bolt 137 is flexibly connected with fixing piece 131 so that it can move a small distance on the first preset direction.
Spring 135 is used to provide the thrust of the first preset direction of direction to impeller 132, has impeller 132 separate
The trend of limiting section 134, when not squeezing liquid conveying device 210, the second end 132b of impeller 132 does not squeeze limiting section
Pressure sensor 133 on 134.When impeller 132 first end 132a abut liquid conveying device 210 when, impeller 132 to
Left compression spring 135, so as to abut pressure sensor 133, pressure sensor 133 can receive pressure signal and pass to control
Device (not shown) processed, controller can control the stopping of fast feed component 110 to move right, and start to start microfeed component
120 progress are micro to supply medicine.When pressure is maintained in a preset range, 120 continuous firing of microfeed component works as pressure rise
Beyond preset range, it is meant that may have occurred infusion and block, controller can stop microfeed component 120 at this time, avoid
Equipment or human body are damaged.Therefore, controller can also be electrically connected with warning device (not shown), work as pressure anomaly
When, start warning device and carry out alarm.
Fig. 5 is the structure diagram of quick-speed jigs 140 in the embodiment of the present invention 1.Fig. 1 and Fig. 5 are refer to, in order to ensure
The cylindrantherae 211 of liquid conveying device 210 has preferable stability when being transfused liquid, and one has been further included for medicine infusion device 100
A quick-speed jigs 140, quick-speed jigs 140 are relatively fixed with bottom plate holding, in the present embodiment, are arranged at bottom plate towards first
The front end of preset direction, i.e., the right end shown in Fig. 1.Quick-speed jigs 140 include two for clamping the fixture block of cylindrantherae 211
141, the one side of two fixture blocks 141 is hinged, and opposite side passes through 142 connection of buckle.Being turned on and off buckle 142 can be square
Just cylindrantherae 211 is loaded and unloaded.
The present embodiment also provides a kind of confession medicine infusion system, that includes above-mentioned for medicine infusion device 100, controller
(not shown) and liquid conveying device 210.Controller and pressure sensor 133, the first driving portion 112 and the second driving portion
125 electrical connections, and according to pressure signal each driving portion can be controlled to be turned on and off.In other examples, can also
Controller is not provided with, by artificially observing the running position of impeller 132, controls being turned on and off for each driving portion manually.
Fig. 6 is the structure diagram of 1 herb liquid conveying device 210 of the embodiment of the present invention.It refer to Fig. 6 and with reference to Fig. 1, medicine
Liquid conveying device 210 includes cylindrantherae 211, the throttling tube assembly for being arranged at 211 one end of cylindrantherae, and throttling tube assembly connects with cylindrantherae 211
It is logical.There is piston 212, piston 212 is contacted with 211 inner wall sealing of cylindrantherae and can slided with respect to cylindrantherae 211, pushed away in cylindrantherae 211
The second end 132b of moving part 132 is used to that piston 212 to be promoted to move on the first preset direction.
It is connect specifically, throttling tube assembly includes sequentially connected extension tube 213, micro-pipe 214, filter 215 and injection
First 216.Extension tube 213 is connected by female Luer 217 with cylindrantherae 211, and more specifically, extension tube 213 is by being arranged at end
Rule female connector be connected with the locking cap on cylindrantherae 211, which is common 217 attachment of female Luer.Micro-pipe 214 is used for
The flow of liquid supply is limited, in the present embodiment, using 7 microns of calibers, in other embodiments, caliber can be adjusted
It is whole.
It is for medicine infusion device 100 and for the operation principle of medicine infusion system：
In use, the cylindrantherae 211 equipped with liquid is mounted on quick-speed jigs 140, the piston 212 in cylindrantherae 211 at this time
The second end 132b of face impeller 132.First driving mechanism comes into operation, and microfeed component 120 moves right, impeller
132 are connected to piston 212.Pressure sensor 133 receives pressure signal and is sent to controller at this time, and controller control first is driven
Dynamic 112 stop motion of portion, and the second driving portion 125 is opened, microfeed component 120 is started to work at this time.Microfeed component
120 components 130 of slowly cutting somebody's hair move, and impeller 132 promotes piston 212 to complete liquid supply.When a jam does occur, press
Force snesor 133 experiences increased pressure, and when pressure exceeds preset range, controller can control the second driving portion 125
It stops operating, protects equipment or human body.Whole process stability and high efficiency, and cost is relatively low, disclosure satisfy that medical worker
Use demand.
Embodiment 2
Fig. 7 is the structure diagram that medicine infusion device 300 is supplied in the embodiment of the present invention 2.Fig. 7 is refer to, the present embodiment carries
For one kind cut somebody's hair component 310, for medicine infusion device 300 and supply medicine infusion system, the present embodiment for medicine infusion device 300 with
It is different and for medicine infusion system on the whole with being substantially the same for medicine infusion device 100 in embodiment 1 and for medicine infusion system
Part is different in the structure in component 310 of cutting somebody's hair and the component 130 of cutting somebody's hair in embodiment 1.
Fig. 8 is the structure diagram of component 310 of cutting somebody's hair in the embodiment of the present invention 2；Fig. 9 is the enlarged drawing of local I X in Fig. 8.
Fig. 8 and Fig. 9 and in conjunction with the embodiments 1 relevant drawings are refer to, in the present embodiment, component 310 of cutting somebody's hair includes being fixed on cutting somebody's hair
The fixing piece 131 of seat 124 and the impeller 132 for being movably connected on fixing piece 131, impeller 132 can be compared with fixing piece 131
It is moved on the first preset direction；There is impeller 132 first end 132a and second end 132b, first end 132a to be used to abut medicine
The piston 212 (see Fig. 6) of liquid conveying device 210, second end 132b are used to be connected to a /V being arranged on fixing piece 131
Portion 134, the one side of limiting section 134 towards impeller 132 are provided with pressure sensor 133.Eccentric wheel is provided on fixing piece 131
Mechanism, the second end 132b of impeller 132 are abutted by eccentric mechanism with the limiting section 134 of fixing piece 131；Eccentric mechanism
Including motor cabinet 331, it is rotationally connected with the eccentric wheel 330 of motor cabinet 331 and the 3rd drive for eccentric wheel 330 to be driven to rotate
Dynamic portion 332, motor cabinet 331 can be moved compared with fixing piece 131 on the first preset direction；It is big when rotating for eccentric wheel 330
Footpath can periodically abut the pressure sensor 133 on limiting section 134, and the second end 132b of impeller 132 passes through spring 135
It is connected with motor cabinet 331.
Specifically, fixing piece 131 is the tubular that both ends are opened, the second end 132b of impeller 132 stretches into fixing piece 131
In, second end 132b have waist-shaped hole 136, waist-shaped hole 136 on the first preset direction have one fixed width, impeller 132 with
Fixing piece 131 is flexibly connected by caging bolt 137 so that impeller 132 can do segment displacement on the first preset direction.
131 left side of fixing piece is fixedly installed railroad shoe 336, is provided with the track extended along the first preset direction, eccentric turbine
The motor cabinet 331 of structure is slidably connected with the track, and then eccentric mechanism can be compared with fixing piece 131 in the first preset direction
Upper movement.The one side of motor cabinet 331 towards the first preset direction is provided with push rod 334, and push rod 334 is extend into fixing piece 131,
And with the second end 132b of impeller 132 to right.It is connected between impeller 132 and push rod 334 by a spring 135, spring
135 are in squeezed state.For 135 left side connection of spring there are one spring base 333, which is plate.Fixing piece 131 it is interior
There are one step surfaces for portion's tool so that the spring base 333 in 135 left side of spring will not be ejected fixing piece 131.
It is set in railroad shoe 336 there are one support plate 335, the one side of support plate 335 towards the first preset direction is provided with
One pedestal, pressure sensor 133 are arranged on the pedestal.Therefore, pressure sensor 133, support plate 335, railroad shoe 336 with
And the relative position of fixing piece 131 immobilizes, eccentric mechanism, impeller 132 can be compared with 131 or so shiftings of fixing piece
It is dynamic.In the present embodiment, when spring base 333 is in left end, eccentric mechanism is also at left end, at this time eccentric wheel 330
The distance of axle center and pressure sensor 133 is less than the major diameter of eccentric wheel 330, but more than the path of eccentric wheel 330.Work as eccentric wheel
330 in the 3rd driving portion 332 when being rotated by, and the major diameter of eccentric wheel 330 periodically abuts pressure sensor 133, and
Squeeze spring 135 to the right with forcing 330 element period of eccentric wheel.When eccentric wheel 330 abuts pressure sensor 133, spring
Seat 333 is compressed to the right, elastic force totally tansitive to pressure sensor 133, when eccentric wheel 330 does not abut pressure sensor 133,
The elastic force of spring 135 is transferred on the step surface of fixing piece 131.
When being transfused liquid, the second end 132b of impeller 132 is also to left translation, and the left and right sides of waist-shaped hole 136 is not
Caging bolt 137 is abutted, at this point, the elastic force of spring 135 characterizes the pressure of infusion liquid completely.
The present embodiment for medicine infusion device 300 when in use, fast feed component 110 first is by microfeed component
120 move quickly into correspondence position, and impeller 132 is abutted with the piston 212 (reference can be made to Fig. 6) of liquid conveying device 210.At this time
Microfeed component 120 is opened, and eccentric wheel 330 rotates, and periodic pressure data is gathered by pressure sensor 133, works as piston
212 move to right, and pressure steps become smaller, and microfeed component 120 just drives component 310 of cutting somebody's hair to move right, and pressure is made to stablize as far as possible
A preset value (pulse change, stabilization here mean that pressure peak is stablized during due to pressure value).When component 310 of cutting somebody's hair
When moving to the extreme position kept right compared with microfeed component 120, fast feed component 110 can be controlled to drive micro-
Amount feeder assembly 120 moves right, while the second driving portion 125 of microfeed component 120 inverts, and makes 310 phase of component of cutting somebody's hair
The pedestal 121 of microfeed component 120 is moved to the left, the position of whole process stationary piece 131 is motionless compared with environment,
The pressure (peak value) of pressure sensor 133 is also almost unchanged.When cutting somebody's hair, component 310 moves to a left side with respect to microfeed component 120
When holding extreme position (should be macroscopically microfeed component 120 moves right and component 310 of cutting somebody's hair is almost motionless), then stop fast
Fast feeder assembly 110 drives, and microfeed component 120 drives component 310 of cutting somebody's hair to move right again at this time；With this in cycles
Component 310 can be made to cut somebody's hair with larger propulsion amplitude, take full advantage of fast feed component 110 and microfeed component
120 maximum push-in stroke, i.e. this kind of structure can possess larger output total amount.Therefore the confession medicine infusion device of the present embodiment
300 be to control infusion rates by control pressure, and technical staff can adjust the size of 330 major diameter of eccentric wheel, spring 135
Elasticity adjust infusion pressure.For example, when the major diameter size of eccentric wheel 330 tunes up or when the angle of circumference of major diameter is larger, partially
The displacement to the right of Xin Lun mechanisms is larger or longer in the time kept right, and spring 135 compresses that larger, the duration is long at this time, defeated
Note rate is just improved.Similarly, when the pressure peak of pressure sensor 133 in infusion process remains unchanged, then it represents that promote
Part 132 is at this pressure without generating displacement to the right, and pressure does not reduce, also turns out piston 212 and do not move, microfeed
Component 120 will not control component 310 of cutting somebody's hair further to move to right.At this time there may be blocking, it is connected with pressure sensor 133
Controller (not shown) can be connected with a warning device (not shown), when running into pressure peak value be constant within multiple cycles,
Alarm signal is generated, to prompt technical staff that there may be clogging.
The fast feed component 110 for medicine infusion device 300 of the present embodiment is with 120 structure of microfeed component with implementing
Identical in example 1, details are not described herein again.
Embodiment 3
Figure 10 is the structure diagram that medicine infusion device 400 is supplied in the embodiment of the present invention 3.It refer to Figure 10, the present embodiment
There is provided one kind cut somebody's hair component 410, for medicine infusion device 400 and supply medicine infusion system, the present embodiment for medicine infusion device 400
For medicine infusion device 300 and medicine infusion system is supplied to be substantially the same with embodiment 2 on the whole with for medicine infusion system, difference
It is in and adds some structures on the basis of the structure component 310 of cutting somebody's hair in example 2 for component 410 of cutting somebody's hair.
Figure 11 is the structure diagram of component 410 of cutting somebody's hair in the embodiment of the present invention 3.It refer to Figure 10 and Figure 11 and combine real
The relevant drawings of example 1,2 are applied, in the present embodiment, component 410 of cutting somebody's hair compares the component 310 of cutting somebody's hair in embodiment 2, also sets up
There is locked component 430, locked component 430 is slidably connected in a mounting base 433 of 131 side of fixing piece setting, the installation
Seat 433 is kept fixed with fixing piece 131 and is provided with slide, enables locked component 430 pre- first compared with fixing piece 131
It is moved on set direction.Pressure-strain piece 434 is provided in the mounting base 433 of fixing piece 131, pressure-strain piece 434 can locked
Locked component 430 is abutted when determining component 430 backwards to the movement of the first preset direction, is transmitted to so as to receiving locked component 430
Pressure.It should be noted that locked component 430 is much smaller than impeller 132 from locked component compared with the displacement of fixing piece 131
The displacement that can be carried out during 430 constraint.
Locked component 430 includes sticking department, and sticking department can be selectively fixedly connected with impeller 132, to realize lock
Determine component 430 keeps relative position to fix with impeller 132.In the present embodiment, sticking department be pin wheel 431, impeller 132
Side is provided with cotter slot (not shown), the pin on pin wheel 431 can selectivity coordinate with cotter slot so that locking
Component 430 is kept fixed with impeller 132.Locked component 430 further includes to drive the fourth drive part 432 of sticking department, the
Four driving portions 432 can be rotated with drive pin nail wheel 431, it is made to coordinate or depart from impeller 132.In the present embodiment,
Four driving portions 432 are fixedly installed on an engine base, and engine base coordinates with the slide of mounting base 433 and can abut the pressure in left side
Foil gauge 434.Pressure-strain piece 434 is electrically connected with controller (not shown), and controller drives with the second of microfeed component 120
Dynamic portion 125 is electrically connected, and operation principle is similar with the pressure sensor 133 in embodiment 1, and details are not described herein again.
It is appreciated that the component 410 of cutting somebody's hair of the present embodiment combines the both of which of embodiment 1 and embodiment 2, i.e. speed governing
Control (embodiment 1) and Regulation Control (embodiment 2), technical staff can make choice between both patterns and cut as needed
It changes, when needing speed regulating control pattern, locked component 430 and impeller 132 is locked, eccentric mechanism fails at this time, entirely
Device is identical with Operational Mechanisms in embodiment 1, and infusion rates are controlled by the fltting speed of microfeed component 120；Work as needs
During Regulation Control pattern, constraint of the contact locked component 430 to impeller 132, at this time infusion rates controlled by pressure, i.e., with
Embodiment 2 is identical.When taking the two ways to switch, in addition to possessing and improving equipment dependability, it is also equipped with increasing infusion flow tune
The effect of adjusting range.The output flow of pressure-adjusting type infusion can be arranged to the mode of small flow infusion, and speed governing
Formula infusion is transfused as big flow.Technical staff is so facilitated to come as the case may be to different infusion rates progress
Selection.
In conclusion the component of cutting somebody's hair of the present invention includes being fixed on the fixing piece for seat of cutting somebody's hair, being movably connected on fixation
Impeller, the eccentric mechanism of part, impeller can be moved compared with fixing piece on the first preset direction；Promote eccentric turbine
Structure is connected to a limiting section being arranged on fixing piece, and the one side of limiting section towards impeller is provided with pressure sensor.Partially
The eccentric wheel of Xin Lun mechanisms its major diameter when rotating can periodically abut pressure sensor on limiting section, and the of impeller
Two ends are connected by spring with eccentric mechanism.Therefore using the structure, pressure sensor can be periodically detected spring
The thrust of pressure during maximum compressibility, i.e. impeller can be preset when the peak value for detecting pressure is gradually reduced to first
Direction is cut somebody's hair component, pressure is made to stablize again in a default scope, therefore liquid can be always by a cycle
The pressure of property is squeezed, and the peak value of the pressure can be stablized in a default scope.That therefore realizes liquid stablizes confession
It gives.When eccentric wheel persistently rotates and surge pressure is constant always means may to occur liquid and block.The simple and stable structure is easy
In realization, cost is relatively low.
The present invention's includes above-mentioned component of cutting somebody's hair for medicine infusion device, for medicine infusion system, which stablizes, into
This is relatively low, also can more easily judge liquid blocking whether occurs compared with the micro infusion of liquid is stably accomplished.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- The component 1. one kind is cut somebody's hair, for injection liquid, which is characterized in that the component of cutting somebody's hair includes being fixed on seat of cutting somebody's hair Fixing piece, the impeller and eccentric mechanism for being movably connected on the fixing piece, the impeller can be compared with described solid Determine part to move on the first preset direction；The impeller has a first end and a second end, and the first end is used to abut liquid The piston of conveying device, the second end are connected to be arranged on the fixing piece /V by the eccentric mechanism Portion, the one side of the limiting section towards the impeller are provided with pressure sensor；The eccentric mechanism includes eccentric wheel and for driving the 3rd driving portion that the eccentric wheel rotates, the eccentric wheel Mechanism can be moved compared with the fixing piece on first preset direction；Its major diameter can week when rotating for the eccentric wheel The pressure sensor on the limiting section is abutted to phase property, the second end of the impeller passes through spring and the eccentric mechanism Connection.
- 2. component according to claim 1 of cutting somebody's hair, which is characterized in that the eccentric mechanism further includes motor cabinet, described Eccentric wheel is rotationally connected with the motor cabinet, and the motor cabinet can be moved up compared with the fixing piece in first preset direction It is dynamic；One end of the spring is connected with the motor cabinet.
- 3. component according to claim 2 of cutting somebody's hair, which is characterized in that railroad shoe, institute are fixedly installed on the fixing piece The track for being provided in railroad shoe and extending along first preset direction is stated, the motor cabinet is slidably connected to the track.
- 4. component according to claim 3 of cutting somebody's hair, which is characterized in that the limiting section is one set in the railroad shoe A support plate, the pressure sensor are arranged at the support plate towards the one side of first preset direction.
- 5. component according to claim 1 of cutting somebody's hair, which is characterized in that the second end of the impeller is provided with waist-shaped hole, The waist-shaped hole has predetermined width on first preset direction, and the fixing piece passes through the waist-shaped hole by one Caging bolt and the impeller active link.
- 6. component according to claim 1 of cutting somebody's hair, which is characterized in that the component of cutting somebody's hair further includes locked component, described Locked component can be slided compared with the fixing piece on first preset direction；Pressure is provided on the fixing piece should Become piece, the pressure-strain piece can abut the locking group when the locked component is moved backwards to first preset direction Part；The locked component includes sticking department, and sticking department can be selectively fixedly connected with the impeller, to realize locking group Part keeps relative position to fix with the impeller.
- 7. component according to claim 6 of cutting somebody's hair, which is characterized in that the sticking department of the locked component is a pin It takes turns, on the pin wheel there is pin, cotter slot is provided on the impeller；Pin energy when the pin wheel rotates It is enough selectively to coordinate with the cotter slot, the locked component is made to be relatively fixed with the impeller.
- 8. a kind of supply medicine infusion device, which is characterized in that described to include drive component and such as claim for medicine infusion device Component of cutting somebody's hair any one of 1-7, the driving component are provided with the seat of cutting somebody's hair, and the component of cutting somebody's hair is arranged at described It cuts somebody's hair seat, the driving component is for driving the seat of cutting somebody's hair to be moved on first preset direction.
- 9. according to claim 8 supply medicine infusion device, which is characterized in that the driving component includes：Fast feed component, the fast feed component include pedestal and are arranged at the first driving mechanism of the pedestal；Microfeed component, the microfeed component include be sequentially connected in first driving mechanism pedestal, be arranged at Second driving portion of the pedestal and with second driving portion be sequentially connected described in cut somebody's hair seat；Wherein, the microfeed component being capable of the first preset direction shifting described in the driving lower edge in first driving mechanism Dynamic, the seat of cutting somebody's hair being capable of the first preset direction movement described in the driving lower edge in second driving portion.
- 10. a kind of supply medicine infusion system, which is characterized in that it include supplying as claimed in claim 8 or 9 medicine infusion device and Liquid conveying device, the liquid conveying device include cylindrantherae, have in the cylindrantherae in sealing contact with the drug cylinder Piston, one end of the cylindrantherae are provided with throttling tube assembly, and the throttling tube assembly is connected with the cylindrantherae；The component of cutting somebody's hair For promoting the piston on first preset direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366279.5A CN108114342B (en) | 2017-12-18 | 2017-12-18 | Push head assembly, medicine supply infusion device and medicine supply infusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366279.5A CN108114342B (en) | 2017-12-18 | 2017-12-18 | Push head assembly, medicine supply infusion device and medicine supply infusion system |
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| Publication Number | Publication Date |
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| CN108114342A true CN108114342A (en) | 2018-06-05 |
| CN108114342B CN108114342B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN (1) | CN108114342B (en) |
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| CN110269972A (en) * | 2019-07-09 | 2019-09-24 | 合肥市第二人民医院 | One kind rushing pipe sealing device and its application method for PICC pulsed |
| CN110966178A (en) * | 2019-12-27 | 2020-04-07 | 南微医学科技股份有限公司 | Pump head, pressure pump and pressure pump control method |
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|---|---|
| CN108114342B (en) | 2020-07-24 |
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