CN102887473B - Sliding block control structure and injection pump advancing device comprising same - Google Patents
Sliding block control structure and injection pump advancing device comprising same Download PDFInfo
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- CN102887473B CN102887473B CN201210355411.3A CN201210355411A CN102887473B CN 102887473 B CN102887473 B CN 102887473B CN 201210355411 A CN201210355411 A CN 201210355411A CN 102887473 B CN102887473 B CN 102887473B
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Abstract
The invention discloses a sliding block control structure. The sliding block control structure comprises a sliding block assembly, a nut assembly and a nut driving piece, wherein the sliding block assembly is sleeved on a screw rod , can move along the screw rod and is provided with a containing cavity; the nut assembly is contained in the containing cavity and can slide in the containing cavity, and one end of the nut assembly close to the screw rod can be meshed with the screw rod; the nut driving piece is arranged at one end of the sliding block assembly, and a driving shaft of the nut driving piece is connected with one end of the nut assembly which is far from the screw rod by penetrating through the sliding block assembly; and the driving shaft of the nut driving piece drives the nut assembly to slide towards or far away the screw rod along the containing cavity, and thus one of the nut assembly close to the screw rod can be meshed with or separated from the screw rod. According to the sliding block control structure disclosed by the invention, when a meshing or separating state between the nut assembly and the screw rod is controlled, only the nut driving piece needs to be controlled without being forcedly held by an operator all the time, the operation is simple, and the labor is saved. The invention also provides an injection pump advancing device.
Description
Technical field
The present invention relates to a kind of syringe pump, the syringe pump propulsion plant that particularly relates to a kind of slide block control structure of syringe pump and contain this slide block control structure.
Background technology
Infusion pump applications is in extensive range, not only for medical field, is also widely used in laboratory and the industrial circles such as biology, molecular physics, molecular chemistry, electrochemistry and biochip.Various syringe pumps are realized liquid transfer by machinery pushing syringe.The slide block control structure of normal injection pump drive makes nut and screw mandrel engagement or separated by spring.Elastic force by spring under free state makes nut and screw mandrel engagement.As need make nut, depart from screw mandrel, need to use by operator the dead man of the outside one end of hand-lifting movement machine, make nut around after rotating to an angle centered by dead man, nut is separated with screw mandrel mate.In this process, dead man needs operator with hands, to keep the state unpluging always.After loosing one's grip, nut can mesh with screw mandrel.Therefore traditional syringe pump driving device needs the omnidistance craftization operation of operator, and when opening nut, needs manual unplug driving lever, complicated operation, waste of manpower always.
Summary of the invention
Based on this, be necessary to provide a kind of easy to operate slide block control structure.
A slide block control structure, comprising:
Slide block assembly, is sheathed on screw mandrel and removable along described screw mandrel, and described slide block assembly offers host cavity;
Nut assembly, is contained in described host cavity, and in described host cavity slidably, described nut assembly is engageable near one end and the described screw mandrel of described screw mandrel for described nut assembly;
Nut actuator, is located at one end of described slide block assembly, and the driving shaft of described nut actuator is connected with described nut assembly one end away from described screw mandrel through described slide block assembly;
Described in the drive shaft of described nut actuator, nut assembly slides towards or away from described screw mandrel along described host cavity, so that described nut assembly is near one end and the engagement of described screw mandrel or the disengaging of described screw mandrel.
In an embodiment, described slide block assembly comprises therein:
Body is the square body of an opening;
Cover plate, is tabular, is covered on the opening surface of described body, and described cover plate and described body surround described host cavity jointly.
In an embodiment, described nut assembly is arranged on described screw mandrel therein, and described nut assembly comprises:
The first solid piece, offers the first groove, and the described first solid piece offers the first half screws near the outer surface of one end of described screw mandrel, and a side of piece consolidated by close described first of described screw mandrel and the medial wall of described the first half screws is engageable;
The second solid piece, offer the second groove, on the medial wall of described the second groove near one end of described screw mandrel, offer the second half screws, the described second solid piece and the described first solid piece are oppositely arranged, the described first solid piece is all contained in described the second groove near one end and the described screw mandrel of described screw mandrel, and described screw mandrel is engageable near the medial wall of a side of the described second solid piece and described the second half screws;
Elastic component, the medial wall of its one end and described the first groove connects, and the medial wall of its other end and described the second groove connects, and described elastic component is limited between the described first solid piece and the described second solid piece;
Jacking block, for wedge type, the driving shaft of described nut actuator is connected with described jacking block, described jacking block is through described body, and be held on described the first groove away between the medial wall of described screw mandrel one end and the described second lateral wall of solid piece away from described screw mandrel one end, described jacking block at described the first groove, away from the medial wall and described second of described screw mandrel one end, consolidate piece away from the lateral wall of described screw mandrel one end between slidably;
Described in the drive shaft of described nut actuator, jacking block slides between the medial wall of described the first groove and the lateral wall of the described second solid piece, described elastic component generation deformation, medial wall and the engagement of described screw mandrel of the medial wall of described the first half screws and described the second half screws or depart from.
Therein in an embodiment, described the first groove is provided with the first inclined-plane and/or the second solid piece away from the medial wall of one end of described screw mandrel and is provided with the second inclined-plane away from the lateral wall of described screw mandrel one end, and described jacking block and described the first inclined-plane and/or described the second inclined-plane connect.
In an embodiment, also comprise switch therein, described switch is located on described cover plate, the top of described jacking block is through the described first solid piece and the described second solid piece, from described cover plate, pass, described switch is touched on the top of described jacking block, the duty of nut actuator described in described on-off control.
In an embodiment, described nut assembly is positioned at a side of described screw mandrel therein, and described nut assembly comprises:
Half-nut, one end of close described screw mandrel is provided with half screw, and the other end offers draw-in groove, and described screw mandrel is engageable near a side of described half-nut and the medial wall of described half screw;
Elastic component, its one end is connected to the medial wall of described host cavity, and its other end is connected to described half-nut away from one end of described screw mandrel;
Jacking block, is contained in described draw-in groove, and the driving shaft of described nut actuator is connected with described jacking block through described slide block assembly, described jacking block in described draw-in groove slidably;
Described in the drive shaft of described nut actuator, jacking block slides in described draw-in groove, and described jacking block drives described half-nut to move towards or away from described screw mandrel, the medial wall of described half screw and the engagement of described screw mandrel or disengaging.
In an embodiment, the driving shaft of described nut actuator is threaded with described nut assembly therein.
In an embodiment, described nut actuator is linear electric motors therein.
A kind of syringe pump propulsion plant is also provided.
A syringe pump propulsion plant, is characterized in that, comprising:
Support;
Screw mandrel, is located on described support;
Screw mandrel actuator, is located on described support, and is positioned at one end of described screw mandrel, and the driving shaft of described screw mandrel actuator is connected with described screw mandrel;
Above-mentioned slide block control structure;
Push rod, one end is connected with described slide block assembly;
Described slide block assembly is meshed with described screw mandrel, and described screw mandrel actuator drives described screw mandrel to rotate, and described slide block control structure moves along described screw mandrel, and described slide block assembly drives described push rod to move.
In an embodiment, also comprise the guide rod be arrangeding in parallel with described screw mandrel therein, described guide rod is through described slide block assembly, and the two ends of described guide rod are fixed on support, and described slide block assembly moves along described guide rod.
In above-mentioned slide block control structure, the drive shaft nut assembly of nut actuator slides towards or away from screw mandrel along host cavity, and nut actuator is controlled the distance between nut assembly and screw mandrel, makes nut assembly and screw mandrel engagement or departs from.Therefore, above-mentioned slide block control structure, when controlling nut assembly and the engagement of screw mandrel or the state of disengaging, only need to be controlled nut actuator, without operator, firmly controls always, simple to operate, saves manpower.
Accompanying drawing explanation
Fig. 1 is the structural representation of the syringe pump propulsion plant of an embodiment;
Fig. 2 is the top view of the syringe pump propulsion plant shown in Fig. 1;
Fig. 3 is the partial enlarged drawing of the slide block control structure of the syringe pump propulsion plant shown in Fig. 1;
Fig. 4 is the structural representation of the nut assembly shown in Fig. 3;
Fig. 5 is the structural representation of another angle of the nut assembly shown in Fig. 4;
Fig. 6 is the structural representation of the syringe pump propulsion plant of another embodiment;
Fig. 7 is the cutaway view of the syringe pump propulsion plant shown in Fig. 6.
The specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provided preferred embodiments of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiments is make the disclosure of the present invention understand more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, can directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the syringe pump propulsion plant 10 of present embodiment comprises support 11, screw mandrel 13, slide block control structure 100, screw mandrel actuator 15, guide rod 17 and push rod 19.Syringe pump propulsion plant 10 is for driving ejection of syringe pump.
Screw mandrel 13 is located on support 11.
Refer to Fig. 3, slide block control structure 100 comprises slide block assembly 110, nut actuator 130, nut assembly 150 and switch 170.
Be appreciated that in other embodiments, slide block assembly 110 can also be integral type structure.Host cavity 115 can directly be opened in the slide block assembly 110 of integral structure.
Be appreciated that in other embodiments, nut actuator 130 can also be cylinder, electromagnetic valve etc.
Refer to Fig. 3, specifically in the present embodiment, nut assembly 150 is arranged on screw mandrel 13, and nut assembly 150 comprises first solid piece the 151, second solid piece 152, elastic component 153 and jacking block 154.
Refer to Fig. 4 and Fig. 5, the first solid piece 151 offers the first groove 151a.The first solid piece 151 offers the first half screw 151b near the outer surface of one end of screw mandrel 13.The medial wall of a side near the first solid piece 151 of screw mandrel 13 and the first half screw 151b is engageable.The first groove 151a is provided with the first inclined-plane 151c away from the medial wall of one end of screw mandrel 13.
The second solid piece 152 offers the second groove 152a.On the second medial wall of groove 152a near one end of screw mandrel 13, offer the second half screw 152b.The second solid piece 152 and the first solid piece 151 are oppositely arranged, and the opening of the opening of the first groove 151a and the second groove 152a is oppositely arranged.The first solid piece 151 is all contained in the second groove 152a near one end and the screw mandrel 13 of screw mandrel 13.Screw mandrel 13 is engageable near the medial wall of a side of the second solid piece 152 and the second half screw 152b.The second solid piece 152 is provided with the second inclined-plane 152c away from the lateral wall of screw mandrel 13 one end.The second solid piece 152 is provided with convex edge 152d away from one end of screw mandrel 13, and the first solid piece 151 is correspondingly provided with stage portion 151d, and convex edge 152d and stage portion 151d connect.When there is relative sliding between the first solid piece 151 and the second solid piece 152, convex edge 152d can slide along stage portion 151d, thereby can prevent that the first solid piece 151 and the second solid piece 152 from misplacing in sliding process, affects result of use.
Incorporated by reference to Fig. 3, jacking block 154 is wedge type, and driving shaft 131 is connected with jacking block 154.Jacking block 154 is through body 111, and be held between the medial wall and the second lateral wall of solid piece 152 away from screw mandrel 13 one end of the first groove 151a away from screw mandrel 13 one end, connect with the first inclined-plane 151c and the second inclined-plane 152c, and jacking block 154 along the first inclined-plane 151c and the second inclined-plane 152c slidably.
Be appreciated that in other embodiments, jacking block 154 can also be fusiformis etc.
Please refer to the drawing 3, switch 170 is controlled the duty of nut actuator 130.Switch 170 is located on cover plate 113.Switch 170 is provided with contact 171.Nut actuator 130 can drive the top of jacking block 154 through the first solid piece 151 and the second solid piece 152, and passes from a side of cover plate 113, makes the top touching contact 171 of jacking block 154 realize opening or closing of control nut actuator 130.
Nut actuator 130 drive nut assemblies 150 slide towards or away from screw mandrel 13 along host cavity 115, so that nut assembly 150 is near one end and screw mandrel 13 engagements or the disengaging of screw mandrel 13.During initial position, the first solid piece 151 and the second solid piece 152 and screw mandrel 13 engagements.Nut actuator 130 starts, the driving shaft 131 of nut actuator 130 drives jacking block 154 to advance, because jacking block 154 and the first inclined-plane 151c, the second inclined-plane 152c connect, thereby jacking block 154 can make the first solid piece 151 and the second solid piece 152 move toward one another, the distance between the medial wall of the first groove 151a and the medial wall of the second groove 152a reduces, compression elastic piece 153.When jacking block 154 is covered required stroke, the top of jacking block 154 can touch switch 170, and switch 170 is controlled nut actuator 130 and quit work.Now the first solid piece 151 and the second solid piece 152 depart from screw mandrel 13, and slide block assembly 110 can move freely position.When needs are consolidated piece 151 and the second solid piece 152 and screw mandrel 13 engagement by first, can control 130 reversions of nut actuator, driving shaft 131 adverse movements, and drive jacking block 154 back to move, elastic component 153 is consolidated piece 152 for the first solid piece 151 and second provides elastic-restoring force, treat that elastic component 153 recovers elastic deformation automatically, the first solid piece 151 and the second solid piece 152 reset.When jacking block 154 is oppositely covered corresponding stroke, the first solid piece 151 and the second solid piece 152 are returned to initial position, the first solid piece 151 and the second solid piece 152 and screw mandrel 13 engagements.
Incorporated by reference to Fig. 1 and Fig. 2, screw mandrel actuator 15 is located on support 11, and is positioned at one end of screw mandrel 13.The driving shaft of screw mandrel actuator 15 (figure is mark not) is connected with screw mandrel 13.
The two ends of guide rod 17 are fixed on support 11, and be arranged in parallel with screw mandrel 13.In the present embodiment, guide rod 17 is two, lays respectively at the both sides of screw mandrel 13.Guide rod 17 is through slide block assembly 110, and for the motion of slide block assembly 110 play the guiding role, slide block assembly 110 can move along guide rod.Guide rod 17 connects in the both sides of slide block assembly 110, prevents that slide block assembly 110 from, in moving process, shaking.When nut assembly 150 is meshed with screw mandrel 13, screw mandrel actuator 15 drives screw mandrel 13 to rotate, and drives slide block control structure 100 moving axially along screw mandrel 13.
Push rod 19 one end are connected with slide block assembly 110.Push rod 19 and slide block assembly 110 can be by welding, bonding or be threaded.When slide block control structure 100 motion, slide block control structure 100 can drive push rod 19 motions.The motion of push rod 19 can realize driving ejection of syringe pump.
In above-mentioned slide block control structure 100, nut actuator 130 slides towards or away from screw mandrel 13 along host cavity 115 by driving shaft 131 drive nut assemblies 150, makes nut assembly 150 with screw mandrel 13 engagements or departs from.Therefore, above-mentioned slide block control structure 100, when controlling nut assembly 150 and the engagement of screw mandrel 13 or the state of disengaging, only need to be controlled nut actuator 130, without operator, firmly controls always, simple to operate, saves manpower.
And, in above-mentioned slide block control structure 100, the first solid piece 151 and the second solid piece 152 mesh with the both sides of screw mandrel 13 respectively, can increase the bearing capacity of slide block control structure 100, prevent because pressure is too large, the thread abrasion of the second half screw 152b of the first half screw 151b of the first solid piece 151 and the second solid piece 152, increases service life of slide block control structure 100.
Fig. 6 and Fig. 7 are the structural representations of syringe pump propulsion plant 20 in another embodiment.In the present embodiment, nut assembly 250 is positioned at a side of screw mandrel 23, and nut assembly 250 comprises half-nut 251, elastic component 253 and jacking block 254.Nut assembly 250 is contained in host cavity 215.
Half-nut 251 is provided with half screw 251a near one end of screw mandrel 23, and the other end offers draw-in groove 251b.Screw mandrel 23 is engageable near a side of half-nut 251 and the medial wall of half screw 251a.
One end of elastic component 253 is connected on cover plate 213, and the other end is connected to half-nut 251 away from one end of screw mandrel 23.Elastic component 253 is a plurality of, is connected between cover plate 213 and half-nut 251.Specifically in the present embodiment, elastic component 253 can be spring.
Be appreciated that elastic component 253 can also be rubber blanket, rubber tube etc.
Jacking block 254 is contained in draw-in groove 251b.The driving shaft 231 of nut actuator 230 is connected with jacking block 254 through cover plate 213.Jacking block 254 is limited in draw-in groove 251b, and in draw-in groove 251b slidably.
Driving shaft 231 drives jacking block 254 to slide in draw-in groove 251b, and jacking block 254 drives half-nut 251 towards or away from screw mandrel 23 motions, the medial wall of half screw 251a of half-nut 251 and screw mandrel 23 engagements or disengaging.
At above-mentioned slide block control structure 200, same only need controlled nut actuator 230, without operator, firmly controls always, simple to operate, saves manpower.
The above embodiment has only been expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a slide block control structure, is located on screw mandrel and along screw mandrel and moves, and it is characterized in that, comprising:
Slide block assembly, is sheathed on screw mandrel and removable along described screw mandrel, and described slide block assembly offers host cavity;
Nut assembly, is contained in described host cavity, and in described host cavity slidably, described nut assembly is engageable near one end and the described screw mandrel of described screw mandrel for described nut assembly;
Nut actuator, is located at one end of described slide block assembly, and the driving shaft of described nut actuator is connected with described nut assembly one end away from described screw mandrel through described slide block assembly;
Described in the drive shaft of described nut actuator, nut assembly slides towards or away from described screw mandrel along described host cavity, so that described nut assembly is near one end and the engagement of described screw mandrel or the disengaging of described screw mandrel;
Described slide block assembly comprises:
Body is the square body of an opening;
Cover plate, is tabular, is covered on the opening surface of described body, and described cover plate and described body surround described host cavity jointly;
Described nut assembly is arranged on described screw mandrel, and described nut assembly comprises:
The first solid piece, offers the first groove, and the described first solid piece offers the first half screws near the outer surface of one end of described screw mandrel, and a side of piece consolidated by close described first of described screw mandrel and the medial wall of described the first half screws is engageable;
The second solid piece, offer the second groove, on the medial wall of described the second groove near one end of described screw mandrel, offer the second half screws, the described second solid piece and the described first solid piece are oppositely arranged, the described first solid piece is all contained in described the second groove near one end and the described screw mandrel of described screw mandrel, and described screw mandrel is engageable near the medial wall of a side of the described second solid piece and described the second half screws;
Elastic component, the medial wall of its one end and described the first groove connects, and the medial wall of its other end and described the second groove connects, and described elastic component is limited between the described first solid piece and the described second solid piece;
Jacking block, for wedge type, the driving shaft of described nut actuator is connected with described jacking block, described jacking block is through described body, and be held on described the first groove away between the medial wall of described screw mandrel one end and the described second lateral wall of solid piece away from described screw mandrel one end, described jacking block at described the first groove, away from the medial wall and described second of described screw mandrel one end, consolidate piece away from the lateral wall of described screw mandrel one end between slidably;
Described in the drive shaft of described nut actuator, jacking block slides between the medial wall of described the first groove and the lateral wall of the described second solid piece, described elastic component generation deformation, medial wall and the engagement of described screw mandrel of the medial wall of described the first half screws and described the second half screws or depart from.
2. slide block control structure according to claim 1, it is characterized in that, described the first groove is provided with the first inclined-plane and/or the second solid piece away from the medial wall of one end of described screw mandrel and is provided with the second inclined-plane away from the lateral wall of described screw mandrel one end, and described jacking block and described the first inclined-plane and/or described the second inclined-plane connect.
3. slide block control structure according to claim 1, it is characterized in that, also comprise switch, described switch is located on described cover plate, the top of described jacking block is through the described first solid piece and the described second solid piece, from described cover plate, pass, described switch is touched on the top of described jacking block, the duty of nut actuator described in described on-off control.
4. slide block control structure according to claim 1, is characterized in that, described nut assembly is positioned at a side of described screw mandrel, and described nut assembly comprises:
Half-nut, one end of close described screw mandrel is provided with half screw, and the other end offers draw-in groove, and described screw mandrel is engageable near a side of described half-nut and the medial wall of described half screw;
Elastic component, its one end is connected to the medial wall of described host cavity, and its other end is connected to described half-nut away from one end of described screw mandrel;
Jacking block, is contained in described draw-in groove, and the driving shaft of described nut actuator is connected with described jacking block through described slide block assembly, described jacking block in described draw-in groove slidably;
Described in the drive shaft of described nut actuator, jacking block slides in described draw-in groove, and described jacking block drives described half-nut to move towards or away from described screw mandrel, the medial wall of described half screw and the engagement of described screw mandrel or disengaging.
5. slide block control structure according to claim 1, is characterized in that, the driving shaft of described nut actuator is threaded with described nut assembly.
6. slide block control structure according to claim 1, is characterized in that, described nut actuator is linear electric motors.
7. a syringe pump propulsion plant, is characterized in that, comprising:
Support;
Screw mandrel, is located on described support;
Screw mandrel actuator, is located on described support, and is positioned at one end of described screw mandrel, and the driving shaft of described screw mandrel actuator is connected with described screw mandrel;
Slide block control structure as described in claim 1～6 any one;
Push rod, one end is connected with described slide block assembly;
Described slide block assembly is meshed with described screw mandrel, and described screw mandrel actuator drives described screw mandrel to rotate, and described slide block control structure moves along described screw mandrel, and described slide block assembly drives described push rod to move.
8. syringe pump propulsion plant according to claim 7, is characterized in that, also comprises the guide rod be arrangeding in parallel with described screw mandrel, and described guide rod is through described slide block assembly, and the two ends of described guide rod are fixed on support, and described slide block assembly moves along described guide rod.
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| CN201210355411.3A CN102887473B (en) | 2012-09-21 | 2012-09-21 | Sliding block control structure and injection pump advancing device comprising same |
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| CN201210355411.3A CN102887473B (en) | 2012-09-21 | 2012-09-21 | Sliding block control structure and injection pump advancing device comprising same |
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| CN102887473B true CN102887473B (en) | 2014-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727394A (en) * | 2016-01-29 | 2016-07-06 | 深圳麦科田生物医疗技术有限公司 | Injection pump and transmission device thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6378668B2 (en) * | 2013-03-19 | 2018-08-22 | 株式会社ジェイ・エム・エス | Syringe pump and method for controlling syringe pump |
| CN104147657B (en) * | 2013-05-15 | 2017-02-22 | 深圳市深科医疗器械技术开发有限公司 | Injection pump and driving device thereof |
| CN103721323A (en) * | 2013-12-31 | 2014-04-16 | 北京中金硅谷科技有限公司 | Injection pump with function of warning user about nearly-empty state or empty state |
| CN105126204B (en) * | 2015-08-04 | 2018-09-21 | 深圳市仕浦电气有限公司 | The drive mechanism of medical injection pump |
| CN105288794B (en) * | 2015-09-29 | 2018-03-27 | 深圳市仕浦电气有限公司 | Cylinder driving mechanism and syringe pump |
| CN109568718A (en) * | 2019-01-25 | 2019-04-05 | 深圳市乐创享科技有限公司 | A kind of syringe pump |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH084624B2 (en) * | 1992-07-01 | 1996-01-24 | 日機装株式会社 | Syringe injection pump |
| US20040073161A1 (en) * | 2001-02-22 | 2004-04-15 | Yasuharu Tachibana | Syringe pump, and liquid feeding method |
| CN2647325Y (en) * | 2003-09-02 | 2004-10-13 | 北京鑫禾丰医疗技术有限公司 | Micro-injection pump propelling mechanism |
| EP2260891B1 (en) * | 2008-03-14 | 2018-03-28 | Terumo Kabushiki Kaisha | Syringe pump |
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2012
- 2012-09-21 CN CN201210355411.3A patent/CN102887473B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727394A (en) * | 2016-01-29 | 2016-07-06 | 深圳麦科田生物医疗技术有限公司 | Injection pump and transmission device thereof |
| CN105727394B (en) * | 2016-01-29 | 2019-03-26 | 深圳麦科田生物医疗技术有限公司 | A kind of syringe pump and its transmission device |
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| CN102887473A (en) | 2013-01-23 |
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