CN107412910A - Syringe pump - Google Patents
Syringe pump Download PDFInfo
- Publication number
- CN107412910A CN107412910A CN201710494086.1A CN201710494086A CN107412910A CN 107412910 A CN107412910 A CN 107412910A CN 201710494086 A CN201710494086 A CN 201710494086A CN 107412910 A CN107412910 A CN 107412910A
- Authority
- CN
- China
- Prior art keywords
- optoelectronic switch
- support
- syringe
- syringe pump
- screw mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
Landscapes
- 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 a kind of syringe pump, including syringe assemblies and drive component, the drive component includes motor, controller, support, driving gear, driven gear, screw component, push rod cap, first optoelectronic switch, blanking disc and the second optoelectronic switch, the end of push rod cap and screw component connects, screw component is connected with support, the screw component includes guide thimble and screw mandrel, guide thimble is fixedly connected with support, screw mandrel is located in guide thimble, and guide thimble is provided with monitoring holes, first optoelectronic switch is located at blanking disc, and blanking disc is provided with the more than one through hole on same concentric circles, second optoelectronic switch is used for the monitoring holes for monitoring guide thimble, the push rod cap is stretched into syringe assemblies, the motor, second optoelectronic switch and the first optoelectronic switch are electrically connected with the controller.Injection precision of the present invention is high, realizes micro-injection and automatic injection, and simple in construction, small volume.
Description
Technical field
The present invention relates to a kind of syringe pump in medical injection field.
Background technology
Medication injections pump has been widely used in each section office of healthcare structure, can by medication constant, constantly
It is injected into body, has both alleviated the burden of doctor, and the accuracy of therapeutic administration can be improved again, obtains vast medical treatment
The affirmative of mechanism.But the injection precision of traditional syringe pump is not high, micro-injection, the machine driving of syringe pump can not be realized
Part-structure is complicated, and volume is big, and maintenance and dismounting are inconvenient.
The content of the invention
It is high it is an object of the invention to provide a kind of injection precision, realize micro-injection and automatic injection, and structure
Simply, the syringe pump of small volume.
In order to achieve the above object, the technical scheme is that：A kind of syringe pump, including syringe assemblies and driving group
Part, the drive component include motor, controller, support, driving gear, driven gear, screw component, push rod cap, the first light
Electric switch, blanking disc and the second optoelectronic switch, the driving gear and blanking disc are fixedly connected with the output shaft of motor, described
The screwed hole of centre of driven gear is threadedly coupled with screw component, and driving gear and driven gear engaged transmission, the push rod
The end of cap and screw component is connected, and screw component is connected with support, and the screw component includes guide thimble and screw mandrel, is oriented to
Sleeve pipe is fixedly connected with support, and screw mandrel is located in guide thimble, and guide thimble is provided with monitoring holes, first optoelectronic switch
At blanking disc, and blanking disc is provided with the more than one through hole on same concentric circles, second optoelectronic switch
For monitoring the monitoring holes of guide thimble, the push rod cap is stretched into syringe assemblies, the motor, the second optoelectronic switch and first
Optoelectronic switch is electrically connected with the controller.
The guide thimble is provided with guide groove, and the bottom of screw mandrel is provided with the guide protrusions coordinated with guide groove.
The controller includes keypad, battery containing body, master control borad and display board, the keypad, battery containing body,
Master control borad and display board are in turn connected into box-like body, and support is connected with box-like body end, have battery, institute in battery containing body
State keypad and be provided with more than one button, the first optoelectronic switch of electrical connection is fixed on the master control borad.
The support includes bracket base, support upper plate and four support columns, and the bracket base passes through four support columns
It is fixedly connected with support upper plate, and driving gear, driven gear and blanking disc are respectively positioned between bracket base and support upper plate, institute
State and screw mandrel is equipped with bracket base and support upper plate stretches into hole, the end of screw mandrel is stretched into hole through screw mandrel and is connected with push rod cap.
The support upper plate is provided with two arc being oppositely arranged installation projections, and the bracket base is provided with square electric
Machine fixed frame.
Also include upper casing and lower casing, upper casing is fixedly connected with lower casing, and the box body is located at the receiving that upper casing and lower casing are formed
Intracavitary, and the breach of convenient installation battery is respectively provided with upper casing and lower casing, the upper casing is provided with the transparency window for being easy to observation.
The syringe assemblies include syringe, lock sleeve and locking cap, and the arc installation of the syringe and support upper plate is raised
Spacing matching, the lock sleeve are fixedly connected with upper casing and lower casing, and the locking cap is threadedly coupled with lock sleeve.
The syringe part of the syringe assemblies is stretched into the accommodating chamber that upper casing and lower casing are formed.
First optoelectronic switch is "u"-shaped, and shading disc portion is stretched into the "u"-shaped groove of the first optoelectronic switch, institute
It is rectilinear structure to state the second optoelectronic switch.
The number of teeth of the driving gear is less than the number of teeth of driven gear.
After said structure, the present invention is driven in injection process by motor, and screw mandrel is driven by two gears
Motion of retreating, so as to drive push rod cap to carry out extruding drug injection in syringe.It is simple and compact for structure, small volume.And in electricity
Blanking disc is set on the output shaft of machine, one or more through hole being on same concentric circles is opened up on blanking disc, works as motor
During rotation, the anti-dazzling screen on drive motor output shaft rotates together, and the through hole on anti-dazzling screen is successively by the first optoelectronic switch
Gap, cover infrared light and through infrared light, so that photoswitc sends low and high level signal, controller is according to signal to electricity
Machine carries out closed-loop control.
Monitoring holes are set on screw mandrel guide sleeve simultaneously, and the second optoelectronic switch is set herein, when the screw mandrel in guide sleeve
It is moved to through hole and covers monitoring holes, so that the second photoswitc sends low and high level signal, controller is according to signal to silk
Situation carries out closed-loop control to bar in place, by above-mentioned dual closed-loop control, realizes accurate control, injection precision is high and realizes micro-
Amount injection, and realize automatic injection.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of the present invention；
Fig. 2 is Fig. 1 drive component explosive view；
Fig. 3 is drive component front view；
Fig. 4 is Fig. 3 A-A sectional views；
Fig. 5 is Fig. 3 C-C sectional views；
Fig. 6 is Fig. 3 upward view；
Fig. 7 is Fig. 6 B-B sectional views；
Fig. 8 is screw component schematic diagram in Fig. 2.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
Referring to shown in Fig. 1-8, a kind of syringe pump, including syringe assemblies 1 and drive component 2, the drive component 2 include electricity
Machine 21, controller 22, support 23, driving gear 24, driven gear 25, screw component 26, push rod cap 27, the first optoelectronic switch
28th, the optoelectronic switch 30 of blanking disc 29 and second, the driving gear 24 and blanking disc 29 are fixed with the output shaft of motor 21 to be connected
Connect, the screwed hole of centre of the driven gear 25 is threadedly coupled with screw component 26, and driving gear 24 is nibbled with driven gear 25
Transmission is closed, the push rod cap 27 is connected with the end of screw component 26, and screw component 26 is connected with support 23, the screw component
26 include guide thimble 261 and screw mandrel 262, and guide thimble 261 is fixedly connected with support 23, and screw mandrel 262 is located at guide thimble 261
It is interior, and guide thimble 261 is provided with monitoring holes 265, first optoelectronic switch 28 is located at blanking disc 29, and on blanking disc 29
Provided with the more than one through hole 291 on same concentric circles, second optoelectronic switch 30 is used to monitor guide thimble 261
Monitoring holes 265, the push rod cap 27 stretched into syringe assemblies 1, and the motor 21, the second optoelectronic switch 30 and the first photoelectricity are opened
28 are closed to electrically connect with controller 22.
Shown in Figure 7, the bottom of the screw mandrel 262 is provided with the guide protrusions 264 coordinated with guide groove 263.Work as electricity
When machine 21 drives the rotation of driven gear 25, due to guide protrusions 264 and spacing, the drive screw mandrel of driven gear 25 of guide groove 263
262 move up and down.
Shown in Figure 2, the controller 22 includes keypad 211, battery containing body 212, master control borad 213 and display board
214, the keypad 211, battery containing body 212, master control borad 213 and display board 214 are in turn connected into box-like body 10, and support
23 are connected with the end of box-like body 10, have battery 215 in battery containing body 212, the keypad 211 is pressed provided with more than one
Key, the first optoelectronic switch 28 of fixed electrical connection on the master control borad 213.So design structure is compact, reduces space-consuming,
It can reduce much so that product is moulded.
Shown in Figure 2, the support 23 includes bracket base 231, support upper plate 232 and four support columns 233, described
Bracket base 231 is fixedly connected by four support columns 233 with support upper plate 232, and driving gear 24, driven gear 25 and screening
CD 29 is respectively positioned between bracket base 231 and support upper plate 232, is equipped with the bracket base 231 and support upper plate 232
Screw mandrel stretches into hole 234, and the end of screw mandrel 262 is stretched into hole 234 through screw mandrel and is connected with push rod cap 27.This structure can be fully sharp
Driving gear 24, driven gear 25 and blanking disc 29 are installed with space, play compact-sized purpose.Primary drive portion simultaneously
Part and feedback inspection part are all hidden in cavity, are reduced by ectocine, securely and reliably.
The bracket base 231 is provided with square motor fixed frame 236, and motor 21 is over head and ears in the motor fixed frame 236,
It is fixed, reduce motor 21 and vibrate, the fixed frame is not limited only to square, it is also possible to other shapes.
It is shown in Figure 1, in addition to upper casing 14 and lower casing 15, upper casing 14 be fixedly connected with lower casing 15, the box body 10
In the breach 16 that convenient installation battery is respectively provided with the accommodating chamber that upper casing 14 and lower casing 15 are formed, and on upper casing 14 and lower casing 15.
Battery can be convenient for changing, and upper casing 14 and lower casing 15 play a protective role.
Referring to shown in Fig. 1,2, in order to facilitate installation locking set 12, fixation, the support upper plate 232 is provided with two
The arc installation projection 235 being oppositely arranged.So design is that position-limiting action is played to syringe 11, convenient to take out and load, spacing
Match, the lock sleeve 12 is fixedly connected with upper casing 14 and lower casing 15.
Shown in Figure 1, the upper casing 14 is provided with the transparency window 19 for being easy to observation, and the transparency window 19 is easy to user to observe
The service condition of medicine in syringe 11.
The syringe assemblies 1 shown in Figure 1 include syringe 11, lock sleeve 12 and locking cap 13, the syringe 11 and branch
The raised 235 spacing matchings of arc installation of frame upper plate 232, the lock sleeve 12 is fixedly connected with upper casing 14 and lower casing 15, described
Locking cap 13 is threadedly coupled with lock sleeve 12.This structure can be dismantled conveniently, and it is more convenient to change syringe.
Shown in Figure 1, the accommodating chamber that upper casing 14 and lower casing 15 are formed is stretched into the part of syringe 11 of the syringe assemblies 1
It is interior.Positioning action, easy installation and removal can be played to syringe 11.
Shown in Figure 4, first optoelectronic switch 28 is "u"-shaped, and the part of blanking disc 29 is stretched into the first photoelectricity and opened
Close in 28 "u"-shaped groove.First optoelectronic switch 28 can be detected accurately to the through hole 291 on blanking disc 29.
Shown in Figure 2, the number of teeth of the driving gear 24 is less than the number of teeth of driven gear 25.So setting plays two
Effect：1st, speed is reduced, speed is reduced with fixed gear ratio, it is to realize to be precisely controlled to bring benefit；2nd, amplifying moment, with
Fixed gear ratio amplifying moment, it is to realize stable high thrust to bring benefit.
Referring to shown in Fig. 1-6, when the present invention works, whole drive component 2 is fixed cell with support 23, all driving sections
For part all on the basis of the support 23, support 23 selects metal material, and it is higher to be primarily due to metal hardness, is unlikely to deform, and resists
Impact capacity is strong, while machinability is good, it is easy to accomplish high accuracy processing.Motor 21 is used as power unit, and motor 21 can be with
For direct current generator, or stepper motor either other kinds of motor, motor 21 provide power, and motor 21 is fixed on branch
On frame 23, driving gear 24 and blanking disc 29 are fixed with the output shaft of motor 21, five logical is wherein provided with anti-dazzling screen 29
Hole 291, and through hole 291 is on same concentric circles, is separated by that angle is unlimited, and quantity is unlimited.
When motor 21 rotates, the driven gear 25 being engaged with is driven to turn together by the driving gear 24 on output shaft
Dynamic, blanking disc 29 coordinates with the photoswitc 28 on controller 22, when motor 21 rotates, the shading on drive motor output shaft
Disk 29 rotates together, and the through hole 291 on blanking disc 29 passes through the gap of the first optoelectronic switch 28 successively, covers infrared light and transmission
Infrared light, so that photoswitc 28 sends low and high level signal, the CPU of controller 22 carries out closed loop according to signal to motor 21
Control, realize accurate control.
Driven gear 25 can be fixed on support 23 by bearing, and the screwed hole of centre of driven gear 25 is provided with interior spiral shell
Line, internal thread engage with screw mandrel 262, and both pitch specifications are identical.When driven gear 25 rotates, screw mandrel 262 is driven to move,
Realize moving forward and backward for screw mandrel 262.Screw mandrel 262 stretches into hole 234 through screw mandrel, is connected with push rod cap 27, and screw mandrel stretches into hole 234
Internal thread can also be made, is coordinated with screw mandrel 262.
Push rod cap 27 is stretched into syringe 11, and when screw mandrel 262 does forward travel, push rod cap 27 is by the injecting fluid in syringe 11
Release.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (10)
- A kind of 1. syringe pump, it is characterised in that：Including syringe assemblies（1）And drive component（2）, the drive component（2）Including Motor（21）, controller（22）, support（23）, driving gear（24）, driven gear（25）, screw component（26）, push rod cap （27）, the first optoelectronic switch（28）, blanking disc（29）With the second optoelectronic switch（30）, the driving gear（24）And blanking disc （29）And motor（21）Output shaft be fixedly connected, the driven gear（25）Screwed hole of centre and screw component（26）Spiral shell Line connects, and driving gear（24）With driven gear（25）Engaged transmission, the push rod cap（27）With screw component（26）End Portion connects, screw component（26）With support（23）Connection, the screw component（26）Including guide thimble（261）And screw mandrel （262）, guide thimble（261）With support（23）It is fixedly connected, screw mandrel（262）Positioned at guide thimble（261）It is interior, and guide thimble （261）It is provided with monitoring holes（265）, first optoelectronic switch（28）Positioned at blanking disc（29）Place, and blanking disc（29）On set There is the more than one through hole on same concentric circles（291）, the optoelectronic switch of light second（30）For monitoring guide sleeve Pipe（261）Monitoring holes（265）, the push rod cap（27）Stretch into syringe assemblies（1）It is interior, the motor（21）, the second photoelectricity opens Close（30）With the first optoelectronic switch（28）With controller（22）Electrical connection.
- 2. syringe pump according to claim 1, it is characterised in that：The guide thimble（261）It is provided with guide groove （263）, and screw mandrel（262）Bottom be provided with and guide groove（263）The guide protrusions of cooperation（264）.
- 3. syringe pump according to claim 1, it is characterised in that：The controller（22）Including keypad（211）, battery Containing body（212）, master control borad（213）And display board（214）, the keypad（211）, battery containing body（212）, master control borad （213）And display board（214）It is in turn connected into box-like body（10）, and support（23）With box-like body（10）End connects, and battery holds Receive body（212）It is interior that there is battery（215）, the keypad（211）It is provided with more than one button, the master control borad（213）On The first optoelectronic switch of fixed electrical connection（28）.
- 4. syringe pump according to claim 1, it is characterised in that：The support（23）Including bracket base（231）, support Upper plate（232）With four support columns（233）, the bracket base（231）Pass through four support columns（233）With support upper plate （232）It is fixedly connected, and driving gear（24）, driven gear（25）And blanking disc（29）It is respectively positioned on bracket base（231）And branch Frame upper plate（232）Between, the bracket base（231）With support upper plate（232）On be equipped with screw mandrel and stretch into hole（234）, screw mandrel （262）End stretch into hole through screw mandrel（234）With push rod cap（27）Connection.
- 5. syringe pump according to claim 4, it is characterised in that：The support upper plate（232）Two are provided with to set relatively The arc installation put is raised（235）, the bracket base（231）It is provided with square motor fixed frame（236）.
- 6. according to the syringe pump described in claim 1 and 3, it is characterised in that：Also include upper casing（14）And lower casing（15）, upper casing （14）And lower casing（15）It is fixedly connected, the box body（10）Positioned at upper casing（14）And lower casing（15）In the accommodating chamber of formation, and on Shell（14）And lower casing（15）On be respectively provided with the breach of convenient installation battery（16）, the upper casing（14）It is provided with and is easy to the saturating of observation Bright window（19）.
- 7. according to the syringe pump described in claim 1 and 5 and 6, it is characterised in that：The syringe assemblies（1）Including syringe（11）、 Lock sleeve（12）And locking cap（13）, the syringe（11）With support upper plate（232）Arc installation it is raised（235）Spacing phase Match somebody with somebody, the lock sleeve（12）With upper casing（14）And lower casing（15）It is fixedly connected, the locking cap（13）With lock sleeve（12）Screw thread Connection.
- 8. syringe pump according to claim 7, it is characterised in that：The syringe assemblies（1）Syringe（11）Part is stretched into Upper casing（14）And lower casing（15）In the accommodating chamber of composition.
- 9. syringe pump according to claim 1, it is characterised in that：First optoelectronic switch（28）For "u"-shaped, hide CD（29）The first optoelectronic switch is stretched into part（28）"u"-shaped groove in, second optoelectronic switch（30）For rectilinear structure.
- 10. syringe pump according to claim 1, it is characterised in that：The driving gear（24）The number of teeth be less than driven tooth Wheel（25）The number of teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494086.1A CN107412910A (en) | 2017-06-26 | 2017-06-26 | Syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494086.1A CN107412910A (en) | 2017-06-26 | 2017-06-26 | Syringe pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107412910A true CN107412910A (en) | 2017-12-01 |
Family
ID=60426162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494086.1A Pending CN107412910A (en) | 2017-06-26 | 2017-06-26 | Syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107412910A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229958A (en) * | 2018-07-27 | 2019-01-18 | 四川大学 | The corrosion-resistant program-controlled syringe pump system of ultra trace metal impurities |
| CN114470403A (en) * | 2021-12-31 | 2022-05-13 | 深圳瑞宇医疗科技有限公司 | Intelligent injection device capable of being pasted on skin and automatically injecting insulin |
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| CN1225023A (en) * | 1996-07-05 | 1999-08-04 | 诺沃挪第克公司 | Dose setting device |
| CN1246371A (en) * | 1998-08-28 | 2000-03-08 | 秀逸开发株式会社 | Portable automatic injection device and its needle assembly |
| CN1482933A (en) * | 2000-12-22 | 2004-03-17 | DCA��ƹ�������˾ | Pen-type injector having an electronic control unit |
| CN1620317A (en) * | 2002-01-25 | 2005-05-25 | Dca设计国际有限公司 | Medicament injection devive with axially displaceable lead screw |
| CN1620318A (en) * | 2002-01-25 | 2005-05-25 | Dca设计国际有限公司 | Medicament delivery device with a lead screw having a sensor |
| CN1674949A (en) * | 2002-02-28 | 2005-09-28 | 德尔泰克公司 | Cartridge and pump with axial loading |
| CN102614565A (en) * | 2012-04-01 | 2012-08-01 | 上海大学 | Automatic micro-injection device |
| CN103007381A (en) * | 2007-08-20 | 2013-04-03 | 马林克罗特有限公司 | Fluid driven medical injectors |
| CN207970306U (en) * | 2017-06-26 | 2018-10-16 | 江苏德尔福医疗器械有限公司 | A kind of syringe pump |
-
2017
- 2017-06-26 CN CN201710494086.1A patent/CN107412910A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225023A (en) * | 1996-07-05 | 1999-08-04 | 诺沃挪第克公司 | Dose setting device |
| CN1246371A (en) * | 1998-08-28 | 2000-03-08 | 秀逸开发株式会社 | Portable automatic injection device and its needle assembly |
| CN1482933A (en) * | 2000-12-22 | 2004-03-17 | DCA��ƹ�������˾ | Pen-type injector having an electronic control unit |
| CN1620317A (en) * | 2002-01-25 | 2005-05-25 | Dca设计国际有限公司 | Medicament injection devive with axially displaceable lead screw |
| CN1620318A (en) * | 2002-01-25 | 2005-05-25 | Dca设计国际有限公司 | Medicament delivery device with a lead screw having a sensor |
| CN1674949A (en) * | 2002-02-28 | 2005-09-28 | 德尔泰克公司 | Cartridge and pump with axial loading |
| CN103007381A (en) * | 2007-08-20 | 2013-04-03 | 马林克罗特有限公司 | Fluid driven medical injectors |
| CN102614565A (en) * | 2012-04-01 | 2012-08-01 | 上海大学 | Automatic micro-injection device |
| CN207970306U (en) * | 2017-06-26 | 2018-10-16 | 江苏德尔福医疗器械有限公司 | A kind of syringe pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109229958A (en) * | 2018-07-27 | 2019-01-18 | 四川大学 | The corrosion-resistant program-controlled syringe pump system of ultra trace metal impurities |
| CN114470403A (en) * | 2021-12-31 | 2022-05-13 | 深圳瑞宇医疗科技有限公司 | Intelligent injection device capable of being pasted on skin and automatically injecting insulin |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |
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| RJ01 | Rejection of invention patent application after publication |