CN108939203A - A kind of driving structure and high-precision drug infusion system of drug infusion system - Google Patents
A kind of driving structure and high-precision drug infusion system of drug infusion system Download PDFInfo
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- CN108939203A CN108939203A CN201810964361.6A CN201810964361A CN108939203A CN 108939203 A CN108939203 A CN 108939203A CN 201810964361 A CN201810964361 A CN 201810964361A CN 108939203 A CN108939203 A CN 108939203A
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- Prior art keywords
- locking device
- sensing element
- torque transmission
- transmission mechanism
- driving
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- 238000001802 infusion Methods 0.000 title claims abstract description 53
- 239000003814 drug Substances 0.000 title claims abstract description 31
- 229940079593 drug Drugs 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 241000237858 Gastropoda Species 0.000 claims description 3
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 10
- 102000004877 Insulin Human genes 0.000 description 5
- 108090001061 Insulin Proteins 0.000 description 5
- 229940125396 insulin Drugs 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011443 conventional therapy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 208000030172 endocrine system disease Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of driving structures of drug infusion system, including motor, preceding locking device, torque transmission mechanism, locking device afterwards, output mechanism, first sensing element and the second sensing element, motor, preceding locking device, torque transmission mechanism, locking device and output mechanism are sequentially connected afterwards, motor is used to provide the power of driving infusion tube piston, preceding locking device is for making motor drive power square to torque transmission mechanism unidirectional delivery, torque transmission mechanism is used to the driving moment of motor being transferred to rear locking device, locking device is used to make the driving moment of torque transmission mechanism transmitting to output mechanism unidirectional delivery afterwards, output mechanism is used to receive the driving moment of torque transmission mechanism transmitting and drives infusion tube piston displacement, first sensing element and the second sensing element are set to preceding locking device, torque transmission mechanism, after lock Determine device and output mechanism and measures stress.The present invention can avoid gear clearance bring and be transfused error, improve precision.
Description
Technical field
The present invention relates to a kind of driving structure and drug infusion systems, more particularly to a kind of driving of drug infusion system
Structure and high-precision drug infusion system.
Background technique
Liquid drug infusion system is the conventional therapy equipment of many diseases at present, such as syringe infusion pump, wriggling infusion pump
With insulin pump etc..Some special diseases need wearable medication infusion pump to treat, such as diabetes endocrine system disease, drug are defeated
Note needs to meet human physilogical characteristic.Current endocrine missing infusion of therapeutic is the working method for imitating intracorporeal organ, substantially
A small amount of pulse infusions at a time interval.This puts forward new requirements infusion, and the precision of micro infusion resists environment
Interference (temperature, air pressure, vibration etc. is not as good as the stabilization in hospital environment) and Q-percentile life etc..
Current wearable drug infusion pumps common are insulin pump.Due to the huge of diabetes patient's quantity and continue high
Speed increases, so that this visual field for being proved to current most effective treatment method and gradually coming into common patient of insulin pump, and by
More and more patients are received.Wherein most important insulin pump manufacturing development company has U.S.'s Medtronic (Medtronics),
Animas, Insulet, and the Ross (Rothe) of Germany etc..The infusion drive system that they use is mainly by miniature electric motor
Power is provided, using gear train amplifying moment, and pushes the piston of insulin pencil finally to realize the infusion of drug.
The gear reduction system wherein used mainly has planetary gear construction, spur gear (spur gear) or worm gear arrangement
To realize moment amplification.Its main feature is that mature simple, the efficiency of transmission is pretty good, but there are inevitable gear clearance and by
The disadvantages of mechanical relaxation that external force influences, cause the limitation of precision.Just have in high concentration medicine infusion more obvious.
Summary of the invention
In view of the above-mentioned defects in the prior art, the present invention provides a kind of driving structures of drug infusion system, to overcome
The bad problem of precision caused by mechanic transmission clearance improves anti-interference, anti-relaxation behavior, and improves the detection control intelligence of system
Property.
Technical solution of the present invention is as follows: a kind of driving structure of drug infusion system, including motor, preceding locking device, power
Square transmission mechanism, rear locking device, output mechanism, the first sensing element and the second sensing element, the motor, preceding locking dress
Set, torque transmission mechanism, rear locking device and output mechanism be sequentially connected, the motor, which is used to provide, drives infusion tube piston
Power, the preceding locking device is for making motor drive power square to the torque transmission mechanism unidirectional delivery, the torque transmitting
Mechanism is used to for the driving moment of the motor being transferred to the rear locking device, and the rear locking device is for making the torque
The driving moment of transmission mechanism transmitting is to the output mechanism unidirectional delivery, and the output mechanism is for receiving the torque transmitting
Mechanism transmitting driving moment simultaneously drive infusion tube piston displacement, first sensing element be set to the preceding locking device,
Torque transmission mechanism and rear locking device it is any one or more, second sensing element is set to the output mechanism,
First sensing element and the second sensing element are for measuring stress or torsion stress or torque.
A kind of driving structure of drug infusion system, including permanent-magnet electric motor, torque transmission mechanism, rear locking device,
Output mechanism, the first sensing element and the second sensing element, the permanent-magnet electric motor, torque transmission mechanism, rear locking device
It is sequentially connected with output mechanism, the permanent-magnet electric motor is used to provide the power of driving infusion tube piston, the torque transmitting
Mechanism is used to for the driving moment of the permanent-magnet electric motor being transferred to the rear locking device, and the rear locking device is for making
For the driving moment of the torque transmission mechanism transmitting to the output mechanism unidirectional delivery, the output mechanism is described for receiving
The driving moment of torque transmission mechanism transmitting simultaneously drives infusion tube piston displacement, and first sensing element is set to torque transmitting
Any one or two of mechanism and rear locking device, second sensing element are set to the output mechanism, and described first
Sensing element and the second sensing element are for measuring stress or torsion stress or torque.
Further, the torque transmission mechanism is gear mechanism.
Preferably, the preceding locking device be one of worm/worm-wheel structure, ratchet structure and feed screw nut's structure or
A variety of combinations.
Preferably, after described locking device be one of worm/worm-wheel structure, ratchet structure and feed screw nut's structure or
A variety of combinations.
Preferably, first sensing element and the second sensing element are power sensing element or moment sensing element.
A kind of high-precision drug infusion system, the driving structure including above-mentioned drug infusion system.
The advantages of technical solution provided by the present invention, is: the one-way lock having by preceding locking device or electric motor
It is set for using, the reaction force that torque transmission mechanism and its front end form motor has been isolated, it is ensured that motor operations are stablized.And it is logical
Later the reaction force that output mechanism and its front end form torque transmission mechanism has been isolated in locking device, feeds back infusion tube
Active force does not interfere with torque transmission mechanism, has locked influence of the torque transmission mechanism middle gear gap to infusion system, improves
Precision.
Detailed description of the invention
Fig. 1 is the module diagram of the driving structure of drug infusion system.
Fig. 2 is the driving structure schematic diagram of the drug infusion system of embodiment 1.
Fig. 3 is the driving structure schematic diagram of the drug infusion system of embodiment 2.
Specific embodiment
Below with reference to embodiment, the invention will be further described, it should be understood that these embodiments be merely to illustrate the present invention and
It is not used in and limits the scope of the invention, after the present invention has been read, those skilled in the art are to various equal similar shapes of the invention
The modification of formula is fallen in the application range as defined in the appended claims.
Embodiment 1, incorporated by reference to shown in Fig. 1 and Fig. 2, the driving structure for the drug infusion system that the present embodiment is related to, including
Motor 1, preceding locking device 2, torque transmission mechanism 3, rear locking device 4, output mechanism 5, the first sensing element 6 and the second sensing
Element 7, motor 1, preceding locking device 2, torque transmission mechanism 3, rear locking device 4 and output mechanism 5 are sequentially connected.Motor 1 is used
In providing the power of driving infusion tube piston, preceding locking device 2 is for keeping 1 driving moment of motor unidirectional to torque transmission mechanism 3
Transmitting, torque transmission mechanism 3 are used to for the driving moment of motor 1 being transferred to rear locking device 4, and rear locking device 4 is for making power
The driving moment that square transmission mechanism 3 transmits is to 5 unidirectional delivery of output mechanism, and output mechanism 5 is for receiving the biography of torque transmission mechanism 3
The driving moment passed simultaneously drives infusion tube piston displacement.First sensing element 6 is set to preceding locking device 2, torque transmission mechanism 3
With rear locking device 4, the second sensing element 7 is set to output mechanism 5, the first sensing element 6 and the second sensing element 7 for surveying
Measure stress or torsion stress or torque.
Specifically, motor 1 connects the first spur gear 8, the second spur gear 9 is engaged with the first spur gear 8, with the second spur gear
9 are coaxially provided with the first worm screw 10, and the first worm screw 10 engages the first worm gear 11, is coaxially provided with third spur gear with the first worm gear 11
12, the 4th spur gear 13 is engaged with third spur gear 12, is coaxially provided with the second worm screw 14, the second worm screw 14 with the 4th spur gear 13
The second worm gear 15 is engaged, by driving infusion tube piston displacement with the 5th coaxial spur gear 16 of the second worm gear 15.Wherein the first snail
Bar 10 and the first worm gear 11 constitute preceding locking device 2, and locking device 4 after the second worm screw 14 and the second worm gear 15 are constituted, third is straight
Gear 12 and the 4th spur gear 13 constitute torque transmission mechanism 3, and the 5th spur gear 16 is output mechanism 5.First sensing element 6
For stress sensing element, the fixed frame of the first worm screw 10, the fixed frame of third spur gear 12 and the second worm screw 14 are set
On fixed frame, the second sensing element 7 is stress sensing element, is arranged in 16 fixed frame of the 5th spur gear.In the present embodiment, preceding lock
Determine device 2 and rear locking device 4 and all use worm gear mechanism, while ensuring that power smoothly transmits, has locked reversed
The influence of strength.This mechanism can provide biggish reduction ratio and torque amplification simultaneously, can be used for needing compared with large driving force
Infusion system.When motor uses permanent-magnet type electric motor, when such as stepper motor, internal permanent magnet itself has locking torque
Effect, certain locking ability is provided under power blackout situation, therefore locking device 2 before can saving.
Embodiment 2, incorporated by reference to shown in Fig. 3, motor 1 connects the 6th spur gear 17, the 7th spur gear 18 and the 6th spur gear
17 engagements are coaxially provided with third worm screw 19 with the 6th spur gear 17, and third worm screw 19 engages third worm gear 20, and third worm gear 20 adds
Work has threaded hole, and screw rod 21 and third worm gear 20 constitute leading screw and nut mechanism.In the present embodiment, third worm screw 19 and third snail
It is rear locking device 4, the 6th straight-tooth that locking device 2 before wheel 20 is constituted, screw rod 21 and third worm gear 20, which constitute leading screw and nut mechanism,
Wheel 17 and the axis of third worm screw 19 are torque transmission mechanism 3, and screw rod 21 as output mechanism 5.First sensing element 6 is stress
The fixed frame of third worm screw 19 is arranged in sensing element, and the second sensing element 7 is stress sensing element, and screw rod 21 is arranged in
Fixed frame.In the present embodiment, preceding locking device 2 and rear locking device 4 use different mechanical devices, this mechanism simply may be used
It leans on, biggish reduction ratio and torque amplification can be provided.
Claims (7)
1. a kind of driving structure of drug infusion system, which is characterized in that including motor, preceding locking device, torque transmission mechanism,
Locking device, output mechanism, the first sensing element and the second sensing element afterwards, the motor, preceding locking device, torque transmit machine
Structure, rear locking device and output mechanism are sequentially connected, and the motor is used to provide the power of driving infusion tube piston, are locked before described
Device is determined for making motor drive power square to the torque transmission mechanism unidirectional delivery, and the torque transmission mechanism is used for will be described
The driving moment of motor is transferred to the rear locking device, and the rear locking device is used to make the torque transmission mechanism transmitting
For driving moment to the output mechanism unidirectional delivery, the output mechanism is used to receive the driving of the torque transmission mechanism transmitting
Torque simultaneously drives infusion tube piston displacement, first sensing element be set to the preceding locking device, torque transmission mechanism and
Locking device is any one or more afterwards, and second sensing element is set to the output mechanism, first sensing element
Part and the second sensing element are for measuring stress or torsion stress or torque.
2. a kind of driving structure of drug infusion system, which is characterized in that including permanent-magnet electric motor, torque transmission mechanism, after
Locking device, output mechanism, the first sensing element and the second sensing element, the permanent-magnet electric motor, torque transmission mechanism, after
Locking device and output mechanism are sequentially connected, and the permanent-magnet electric motor is used to provide the power of driving infusion tube piston, described
Torque transmission mechanism is used to for the driving moment of the permanent-magnet electric motor being transferred to the rear locking device, locks dress after described
It sets for making the driving moment of the torque transmission mechanism transmitting to the output mechanism unidirectional delivery, the output mechanism is used for
Receive the driving moment of the torque transmission mechanism transmitting and drive infusion tube piston displacement, first sensing element is set to
Any one or two of torque transmission mechanism and rear locking device, second sensing element is set to the output mechanism,
First sensing element and the second sensing element are for measuring stress or torsion stress or torque.
3. the driving structure of drug infusion system according to claim 1 or 2, which is characterized in that the torque transmits machine
Structure is gear mechanism.
4. the driving structure of drug infusion system according to claim 1, which is characterized in that the preceding locking device is snail
One of wheel/worm structure, ratchet structure and feed screw nut's structure or a variety of combinations.
5. the driving structure of drug infusion system according to claim 1 or 2, which is characterized in that locking device after described
For one of worm/worm-wheel structure, ratchet structure and feed screw nut's structure or a variety of combinations.
6. the driving structure of drug infusion system according to claim 1 or 2, which is characterized in that first sensing element
Part and the second sensing element are power sensing element or moment sensing element.
7. a kind of high-precision drug infusion system, which is characterized in that including drug described in any one of claim 1 and 2
The driving structure of infusion system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964361.6A CN108939203A (en) | 2018-08-23 | 2018-08-23 | A kind of driving structure and high-precision drug infusion system of drug infusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964361.6A CN108939203A (en) | 2018-08-23 | 2018-08-23 | A kind of driving structure and high-precision drug infusion system of drug infusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108939203A true CN108939203A (en) | 2018-12-07 |
Family
ID=64473866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810964361.6A Pending CN108939203A (en) | 2018-08-23 | 2018-08-23 | A kind of driving structure and high-precision drug infusion system of drug infusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108939203A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020232565A1 (en) * | 2019-05-17 | 2020-11-26 | 上海移宇科技股份有限公司 | Drug infusion device |
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|---|---|---|---|---|
| DE2822349A1 (en) * | 1978-05-22 | 1979-11-29 | Reiche & Vogel Gmbh | WINCH WITH SELF-LOCKING WORM GEAR |
| WO2002063183A2 (en) * | 2001-02-05 | 2002-08-15 | Robert Bosch Gmbh | Actuator with limited travel and emergency uncoupling |
| CN203230793U (en) * | 2013-05-07 | 2013-10-09 | 深圳市牧人电器五金制品有限公司 | Worm and gear reducing mechanism |
| CN105413021A (en) * | 2015-11-20 | 2016-03-23 | 深圳影迈科技股份有限公司 | Injection pump |
| CN105492037A (en) * | 2013-05-30 | 2016-04-13 | 韦贝尔Cds公司 | Device for dispensing a fluid to a patient |
| CN106860967A (en) * | 2017-02-17 | 2017-06-20 | 苏州新生命医疗科技有限公司 | The capacity sensing device of high accuracy drug infusion system |
| CN107456625A (en) * | 2017-09-12 | 2017-12-12 | 美敦力公司 | Fluid infusion apparatus and its drive system |
| CN108421133A (en) * | 2018-02-08 | 2018-08-21 | 美敦力公司 | Drug delivery device and its transmission mechanism |
| CN209378182U (en) * | 2018-08-23 | 2019-09-13 | 苏州新生命医疗科技有限公司 | A kind of driving structure and high-precision drug infusion system of drug infusion system |
-
2018
- 2018-08-23 CN CN201810964361.6A patent/CN108939203A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2822349A1 (en) * | 1978-05-22 | 1979-11-29 | Reiche & Vogel Gmbh | WINCH WITH SELF-LOCKING WORM GEAR |
| WO2002063183A2 (en) * | 2001-02-05 | 2002-08-15 | Robert Bosch Gmbh | Actuator with limited travel and emergency uncoupling |
| CN203230793U (en) * | 2013-05-07 | 2013-10-09 | 深圳市牧人电器五金制品有限公司 | Worm and gear reducing mechanism |
| CN105492037A (en) * | 2013-05-30 | 2016-04-13 | 韦贝尔Cds公司 | Device for dispensing a fluid to a patient |
| CN105413021A (en) * | 2015-11-20 | 2016-03-23 | 深圳影迈科技股份有限公司 | Injection pump |
| CN106860967A (en) * | 2017-02-17 | 2017-06-20 | 苏州新生命医疗科技有限公司 | The capacity sensing device of high accuracy drug infusion system |
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| CN108421133A (en) * | 2018-02-08 | 2018-08-21 | 美敦力公司 | Drug delivery device and its transmission mechanism |
| CN209378182U (en) * | 2018-08-23 | 2019-09-13 | 苏州新生命医疗科技有限公司 | A kind of driving structure and high-precision drug infusion system of drug infusion system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020232565A1 (en) * | 2019-05-17 | 2020-11-26 | 上海移宇科技股份有限公司 | Drug infusion device |
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