CN201008675Y - Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display - Google Patents

Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display Download PDF

Info

Publication number
CN201008675Y
CN201008675Y CNU2007201412358U CN200720141235U CN201008675Y CN 201008675 Y CN201008675 Y CN 201008675Y CN U2007201412358 U CNU2007201412358 U CN U2007201412358U CN 200720141235 U CN200720141235 U CN 200720141235U CN 201008675 Y CN201008675 Y CN 201008675Y
Authority
CN
China
Prior art keywords
display screen
dot matrix
liquid crystal
syringe
syringe pump
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.)
Expired - Lifetime
Application number
CNU2007201412358U
Other languages
Chinese (zh)
Inventor
林彰焱
干晶
林彰忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
The medical Science and Technology Ltd. of Zhuhai City Mei Ruihua
Original Assignee
林彰焱
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 林彰焱 filed Critical 林彰焱
Priority to CNU2007201412358U priority Critical patent/CN201008675Y/en
Application granted granted Critical
Publication of CN201008675Y publication Critical patent/CN201008675Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The utility model relates to an appliance used for inducting medium into the human body by the mainline way, in particular to an injection pump having the functions of the extending pipe shedding alarm and the liquid crystal display lattice display. The utility model comprises an upper plastic shell, a lower plastic shell, a LCD which is arranged on the inclined planes of the plastic shells of the injection pump and has the Chinese characters lattice display, and latter and number input keys; a driving device for precise screw mandrels and nuts; a straight-slide potential device; a pressure sensor, and so on. The half open and close nuts move along the beeline by depending on controlling a SCM and depending on that a step motor drives precise screw mandrels to rotate; the pipeline pressure in the whole injection process are monitored in real time by using a linear hall sensor and the pressure sensor. The groove bottom of a positioning pressing device that contacts with the injection pipe is of a V-shaped groove which is composed of a plurality of sections of folded wires, thereby adapting to column injectors with various models and specifications. The utility model has the advantages that the operation is simple, safe and reliable, the alarm on the pipeline block and the extending pipe shedding can be given in time.

Description

Band prolongs the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function
(1) technical field:
This utility model relates in intravenous mode introduces intravital apparatus with medium, is meant a kind of syringe pump that band prolongation pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function that has especially.
(2) background technology:
The syringe pump of hospital clinical use at present, come with some shortcomings and hidden danger, be in particular in: 1, existing syringe pump is perfect not to the utmost to the clamping structure of syringe, for example the fixedly contact surface of syringe all adopts round groove structure, can't carry out whole reliable grip to column type syringe of a great variety, not of uniform size.When syringe pump moved, syringe was easy to generate and departs from, is shifted and slide, even comes off, and then influenced timely administration and injection precision.2, existing syringe pump to syringe model specification identification and the differentiation that is about to push away the sky function all adopt travel switch or photoswitch, application surface is narrow, can only be suitable for the syringe of specified minority manufacturer production, can't realize the identification of different model specification syringe that all manufacturers are produced and be about to push away empty function, the operation of inconvenience hospital clinical, even influence is to patient's standard amount administration.Simultaneously, existing syringe pump can not be monitored the pressure of syringe pipeline in real time, so that when syringe separates with positions such as scalp acupuncture or venipuncture pipes with prolongation pipe or prolongation pipe, can cause the generation of serious consequences such as liquid outflow or the anti-stream of patient blood.Above-mentioned unreasonable design all influences the safe in utilization of syringe pump and quality administration, and also will browse, check data in the dimensional operation of input parameter.Cause injection work to become loaded down with trivial details.
In order to overcome the deficiency of existing syringe pump, the purpose of this utility model 1, realization are to column type syringe reliable grip function not of uniform size; 2, realize the identification and the realization of different model specification syringe are about to push away empty function to different model specification syringe; 3, solution prolongation pipe comes off and reports to the police and the pipe blocking warning function.4, solve the input parameter dimension and need browse, check problems such as data.
For achieving the above object, this utility model improves at syringe location hold-down mechanism and pressure sensor apparatus especially, and the application potentiometer makes its syringe to the different size model can realize discerning and being about to push away empty function.Adopt liquid crystal display screen Chinese character dot matrix Presentation Function and letter and the numeral operated key of input simultaneously, need browse, check problems such as data when avoiding the input parameter dimension.Guaranteeing injection safety and improving under the prerequisite of accurate amount administration, realize simple to operation; Safe and reliable.For this reason, special this utility model that proposes.
(3) summary of the invention:
To achieve these goals, this utility model adopts following technical scheme, and this scheme comprises upper and lower cabinet; With LCD liquid crystal display screen and letter and the digital input key that Chinese character dot matrix shows that have that is installed on the syringe pump cabinet inclined-plane; Accurate feed screw nut's actuating device; Linear sliding potentiometer; Parts such as pressure transducer.Rely on single-chip microcomputer to control, rely on motor to drive the rotation of accurate thread screw mandrel and make its half-open linearly formula displacement movement of nut that closes, utilize parts such as linear Hall, pressure transducer to realize the loine pressure in the whole injection process etc. is monitored in real time.
The concrete technical scheme of this utility model is meant: a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, mainly comprise display screen, operation keyboard, potentiometer, hold-down mechanism, pick off and actuating device, described display screen is liquid crystal dot matrix display screen (01), described operation keyboard is letter and numeric keypad (02), described potentiometer is that model is differentiated linear sliding potentiometer (10) and pushed away sky linear sliding potentiometer (18), model is differentiated linear sliding potentiometer (10) movable end handle and is connected with pull bar (0702) by screw, pushes away sky linear sliding potentiometer (18) movable end handle and closely contacts with the half-open push rod (21) that closes nut.The V-shaped groove of bottom land (0401) that described location hold-down mechanism (07) contacts with syringe, this V-type groove are to be constituted and be modelled as one with syringe pump vinyl cover (04) by the multistage broken line.Described pressure transducer (12) is fixed on an end of screw mandrel (13) by support plate (20), and described actuating device is mainly by screw mandrel (13), and the half-open nut (14) that closes is formed, and half-openly closes nut (14) and drive lead screw (13) coupling.
The band that provides according to this utility model prolongs the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, its described pressure transducer (12) is by pressure sensitive head (1201), screw mandrel copper sheathing (1202), external compression spring (1203), interior compression spring (1204), linear Hall (1205), circuit board (1206), locking nut (1207), magnetic bead (1208) and sunk screw (1209) are formed, wherein, magnetic bead (1208) is fixed on by sunk screw (1209) in the circular hole of column type pressure sensitive head (1201) one ends, external compression spring (1203), and interior compression spring (1204) is enclosed within on the pressure sensitive head, one end is against the inner face of pressure sensitive head (1201), and the other end withstands the generation precompressed by locking nut (1207).
The band that provides according to this utility model prolongs the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, the additional technical feature of described syringe location hold-down mechanism is that described syringe location hold-down mechanism also comprises compressor arm head (0701), pull bar (0702), pull-rod spring (0703).Its described pull bar (0702) passes V-type groove (0401) cylinder and enters in the compressor arm head (0701), and compressor arm head (0701) lower edge is stuck on V-type groove (0401) cylinder, and pull-rod spring (0703) is installed in pull bar (0702) bottom.
According to this utility model provide a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, the additional technical feature of its described pressure transducer comprises that also circuit board (1206) is positioned between locking nut (1207) and the linear Hall (1205).
According to this utility model provide a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, the additional technical feature of its described pressure transducer comprises that also screw mandrel copper sheathing (1202) is enclosed within on the drive lead screw (13).
According to this utility model provide a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, the additional technical feature of its described pressure transducer comprises that also screw mandrel copper sheathing (1202) is installed on the drive lead screw (13) by support plate (20).
According to this utility model provide a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, its described linear sliding potentiometer can also be rotating potentiometer.
Implementing this utility model beneficial effect is:
1, is multistage broken line formation V-type groove clamping structure owing to contact surface end at the bottom of the syringe groove adopts, solved column type syringe reliable grip problem not of uniform size; When syringe pump moved, syringe just was not easy to produce and departs from, is shifted and slide, and has also avoided syringe to come off, and has improved timely administration and injection precision.
2, because adopts pressure sensor, can monitor the pressure of injection pipeline in real time, when prolonging that pipe separates with syringe or when prolonging pipe and separating with scalp acupuncture or venipuncture pipe, the variation of pipe internal pressure is transformed into the change of the signal of telecommunication by the linear Hall in the pressure transducer, in time reports to the police by computer system and stops running.Thereby thoroughly having solved the prolongation pipe comes off and reports to the police and problem such as pipe blocking warning.Avoided the generation of serious consequences such as medicinal liquid outflow or the anti-stream of patient blood.Its safety and quality administration all are improved.And it is simple to operate.
3, owing to adopted direct slide (also can be rotary) potentiometer, solved to the identification of different model specification syringe with to different model specification syringe and be about to push away empty problem. Because of the movable end of differentiating linear sliding potentiometer is connected with pull bar, when the syringe of different size model places compressor arm head below, this potentiometer just can detect different data, and handle by CPU according to the data that detect, realized differentiation to different size model syringe, and push away the sky linear sliding potentiometer owing to be connected with the half-open push rod that closes nut, realized medicinal liquid is about to push away empty function.
4, owing to adopt the Chinese character dot matrix LCDs, can intuitively show various information and duty, operated key is with phonetic, letter and number input, and it is some about data such as syringe brand, model, specification and parameters to be convenient to prestore, need not browse workbook, make simple that work becomes.
(4) description of drawings:
Fig. 1 is this utility model profile sketch map.Wherein (01) is LCDs, and (02) is keyboard, and (03) is plastic feet, and (04) is vinyl cover, (05) corrugated rubber, and (06) is pushing hands, and (07) is compressor arm, and (08) is syringe, and (09) prolongs pipe for syringe.
Fig. 2 is this utility model syringe location compacting machine composition.Wherein (0701) is the compressor arm head, and (0801) is syringe cylinder, and (0401) is the V-type groove, and (10) for differentiating linear sliding potentiometer, (0703) is pull-type spring, and (0702) is pull bar.
Fig. 3 is this utility model pressure transducer figure.Wherein (20) are support plate, (1202) be the screw mandrel copper sheathing, (13) be drive lead screw, (1201) are the pressure sensitive head, and (1209) are sunk screw, (1208) be magnetic bead, (1207) be locking nut, (1206) are circuit board, and (1208) are linear Hall, (1204) be interior compression spring, (1203) are the external compression spring.
Fig. 4 is this utility model mechanism driving fundamental diagram.Wherein (19) are extension spring, and for pushing away the sky linear sliding potentiometer, (21) are the half-open nut upper ejector pin that closes (18), and (17) are driven gear, (16) be driving gear, (15) are motor, and (14) are the half-open nut that closes, (13) be drive lead screw, (12) are pressure transducer, and (11) are push rod.
(5) specific embodiment:
Referring to Fig. 1, the syringe pump complete machine mainly comprises following plastic feet (03) and vinyl cover (04), LCDs (01), operation keyboard (02), is used for fixing the location hold-down mechanism (07) of syringe.Described location hold-down mechanism and syringe fixedly contact the groove of the approximate V-type of being made up of the multistage broken line bottom surface, and this groove and vinyl cover (04) die sinking forms one.The inner parts such as actuating device and electrical equipment of installing of loom.
This utility model operation principle is installed in syringe (08) in the V-type draw-in groove (0401) referring to Fig. 4, and compressor arm head (0701) compresses it, and the pushing hands surface closely contacts with the injector push-rod tail surface.After stepper motor (15) starts rotation, drive screw mandrel (13) rotation by driving gear (16) and driven gear (17), when screw mandrel rotates, utilize spring pressure that itself and the closely-coupled half of clasp nut of screw mandrel (14) are linearly moved, driving pushing hands (06) by push rod (11) linearly moves, the push rod of pushing hands (06) pushing syringe (08) is pushed ahead, and medicinal liquid is entered in the human body by prolonging pipe.
When pushing away the injector push-rod forward impelling along with syringe pump pushing hands (06), being fixed on the half-open nut upper ejector pin (21) that closes drives and to push away sky linear sliding potentiometer (18) movable end handle forward impelling and produce displacement, linear sliding potentiometer is sent this value into CPU by mould/number conversion and is handled with the analog voltage of the variation output linear change of this displacement.When this value reaches the default definite value of software, will produce and be about to push away empty the warning, after injection is finished, extension spring (19) will make linear sliding potentiometer movable end handle reset.
The operation principle that model is differentiated: referring to Fig. 2, displacement up and down along with hold-down mechanism (07), make movable end handle that model differentiates linear sliding potentiometer (10) produce displacement with the upper and lower displacement of pull bar (0702), when the movable end handle produces displacement, the linear analogue magnitude of voltage that potentiometer (10) output changes by mould/number conversion, is sent into CPU and is handled, when this value arrived the predefined model respective value of software, which kind of syringe model will discern was.
Block and come off the warning operation principle: referring to Fig. 3, when prolonging that pipe comes off or the syringe pipeline produces when blocking, syringe internal pressure numerical value has produced variation.At this moment, the signal that pressure changes is sensed in syringe pushing hands (06), this signal is by push rod (11) and be fixed on half of clasp nut (14) on the push rod and will respond to the signal that changes and pass on the screw mandrel (13), make drive lead screw (13) produce certain displacement, promote the pressure sensitive head and make magnetic bead produce sudden change magnetic field linear Hall; And then linear Hall generation sudden change analog voltage, by mould/number conversion, this signal is sent into CPU handle again.Produce the syringe pipe blocking or prolong sound, the light warning that pipe comes off, syringe pump is out of service.
In this utility model specific embodiment, described round magnetic bead adopts and is of a size of φ 6*4, and what linear Hall used is standard component 3503; Differentiate and what push away that the sky potentiometer adopts is the linear sliding potentiometer that resistance is 10k ohm.
The corrugated rubber that this utility model uses is to 11 dustproof usefulness of push rod.
The foregoing description is only for the usefulness that this utility model is described, and be not to be to restriction of the present utility model, the those of ordinary skill in relevant technologies field, under the situation that does not break away from spirit and scope of the present utility model, other variations done and the technical scheme that all are equal to also should belong to category of the present utility model.

Claims (7)

1. one kind with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, mainly comprise display screen, operation keyboard, potentiometer, hold-down mechanism, pick off and actuating device, it is characterized in that: described display screen is liquid crystal dot matrix display screen (01), described operation keyboard is letter and numeric keypad (02), described potentiometer is that model is differentiated linear sliding potentiometer (10) and pushed away sky linear sliding potentiometer (18), model is differentiated linear sliding potentiometer (10) movable end handle and is connected with pull bar (0702) by screw, pushing away sky linear sliding potentiometer (18) movable end handle closely contacts with the half-open push rod (21) that closes nut, the V-shaped groove of bottom land (0401) that described location hold-down mechanism (07) contacts with syringe, this V-type groove is to be constituted and be modelled as one with syringe pump vinyl cover (04) by the multistage broken line, described pressure transducer (12) is fixed on an end of screw mandrel (13) by support plate (20), described actuating device is mainly by screw mandrel (13), the half-open nut (14) that closes is formed, and half-openly closes nut (14) and drive lead screw (13) coupling.
2. according to claim 1 a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, it is characterized in that described pressure transducer (12) is by pressure sensitive head (1201), screw mandrel copper sheathing (1202), external compression spring (1203), interior compression spring (1204), linear Hall (1205), circuit board (1206), locking nut (1207), magnetic bead (1208) and sunk screw (1209) are formed, wherein, magnetic bead (1208) is fixed on by sunk screw (1209) in the circular hole of column type pressure sensitive head (1201) one ends, external compression spring (1203), and interior compression spring (1204) is enclosed within on the pressure sensitive head, one end is against the inner face of pressure sensitive head (1201), and the other end withstands the generation precompressed by locking nut (1207).
3. according to claim 1 a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, it is characterized in that described syringe location hold-down mechanism also comprises compressor arm head (0701), pull bar (0702), pull-rod spring (0703), described pull bar (0702) passes V-type groove (0401) cylinder and enters in the compressor arm head (0701), compressor arm head (0701) lower edge is stuck on V-type groove (0401) cylinder, and pull-rod spring (0703) is installed in pull bar (0702) bottom.
4. according to claim 2 a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, it is characterized in that described circuit board (1206) is positioned between locking nut (1207) and the linear Hall (1205).
5. according to claim 2 a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, it is characterized in that described screw mandrel copper sheathing (1202) is enclosed within on the drive lead screw (13).
6. according to claim 2 a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, it is characterized in that described screw mandrel copper sheathing (1202) is installed on the drive lead screw (13) by support plate (20).
7. according to claim 1 a kind of with prolonging the syringe pump that pipe comes off and reports to the police and have liquid crystal display screen dot matrix Presentation Function, it is characterized in that described linear sliding potentiometer can also be rotating potentiometer.
CNU2007201412358U 2007-03-30 2007-03-30 Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display Expired - Lifetime CN201008675Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201412358U CN201008675Y (en) 2007-03-30 2007-03-30 Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201412358U CN201008675Y (en) 2007-03-30 2007-03-30 Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display

Publications (1)

Publication Number Publication Date
CN201008675Y true CN201008675Y (en) 2008-01-23

Family

ID=39043608

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201412358U Expired - Lifetime CN201008675Y (en) 2007-03-30 2007-03-30 Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display

Country Status (1)

Country Link
CN (1) CN201008675Y (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102019004A (en) * 2009-09-23 2011-04-20 上海雷恩医疗器械有限公司 Clamping mechanism for medical syringe pump
CN102008770B (en) * 2009-09-08 2012-12-26 北京谊安医疗系统股份有限公司 Injection pump and clamping device used for same
CN103182109A (en) * 2011-12-30 2013-07-03 北京谊安医疗系统股份有限公司 Emptying detection system and method for injector of injection pump
CN103977474A (en) * 2014-02-19 2014-08-13 苏州泽德医疗器械有限公司 Injection pump and pipeline dropping-off detection device for same
CN104415426A (en) * 2013-08-23 2015-03-18 席斌 Disposable insulin injection pump
CN106680450A (en) * 2017-03-23 2017-05-17 江西省农业科学院农业经济与信息研究所 Water quality monitoring device and method
CN106847039A (en) * 2017-04-10 2017-06-13 上海市杨浦区中心医院 With early warning and the radial artery puncturing of sustainable running exercise model
CN106847038A (en) * 2017-04-10 2017-06-13 上海市杨浦区中心医院 Radial artery puncturing practises model
CN109481782A (en) * 2018-12-29 2019-03-19 深圳市好克医疗仪器股份有限公司 Syringe pump
CN110812621A (en) * 2019-11-22 2020-02-21 东莞市一星医疗科技有限公司 Method and system for detecting injection pressure of high-pressure injector
CN110917449A (en) * 2019-12-09 2020-03-27 刘坪坪 Anesthesia depth monitoring device for anesthesia department
WO2021056265A1 (en) * 2019-09-25 2021-04-01 深圳迈瑞科技有限公司 Syringe pump, syringe pump system, syringe pump control method, and storage medium
CN114344618A (en) * 2022-01-06 2022-04-15 山东省计量科学研究院 Medical injection pump
CN114522298A (en) * 2022-01-07 2022-05-24 王奇剑 Micro-injection pump

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102008770B (en) * 2009-09-08 2012-12-26 北京谊安医疗系统股份有限公司 Injection pump and clamping device used for same
CN102019004A (en) * 2009-09-23 2011-04-20 上海雷恩医疗器械有限公司 Clamping mechanism for medical syringe pump
CN102019004B (en) * 2009-09-23 2013-06-19 上海雷恩医疗器械有限公司 Clamping mechanism for medical syringe pump
CN103182109A (en) * 2011-12-30 2013-07-03 北京谊安医疗系统股份有限公司 Emptying detection system and method for injector of injection pump
CN104415426A (en) * 2013-08-23 2015-03-18 席斌 Disposable insulin injection pump
CN104415426B (en) * 2013-08-23 2019-04-16 席斌 Disposable insulin infusion pump
CN103977474A (en) * 2014-02-19 2014-08-13 苏州泽德医疗器械有限公司 Injection pump and pipeline dropping-off detection device for same
CN106680450A (en) * 2017-03-23 2017-05-17 江西省农业科学院农业经济与信息研究所 Water quality monitoring device and method
CN106847038A (en) * 2017-04-10 2017-06-13 上海市杨浦区中心医院 Radial artery puncturing practises model
CN106847039A (en) * 2017-04-10 2017-06-13 上海市杨浦区中心医院 With early warning and the radial artery puncturing of sustainable running exercise model
CN109481782A (en) * 2018-12-29 2019-03-19 深圳市好克医疗仪器股份有限公司 Syringe pump
WO2021056265A1 (en) * 2019-09-25 2021-04-01 深圳迈瑞科技有限公司 Syringe pump, syringe pump system, syringe pump control method, and storage medium
CN110812621A (en) * 2019-11-22 2020-02-21 东莞市一星医疗科技有限公司 Method and system for detecting injection pressure of high-pressure injector
CN110917449A (en) * 2019-12-09 2020-03-27 刘坪坪 Anesthesia depth monitoring device for anesthesia department
CN114344618A (en) * 2022-01-06 2022-04-15 山东省计量科学研究院 Medical injection pump
CN114344618B (en) * 2022-01-06 2024-04-16 山东省计量科学研究院 Medical injection pump
CN114522298A (en) * 2022-01-07 2022-05-24 王奇剑 Micro-injection pump
CN114522298B (en) * 2022-01-07 2024-03-15 王奇剑 Micro-injection pump

Similar Documents

Publication Publication Date Title
CN201008675Y (en) Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display
CN202161632U (en) Microinjection pump
CN201042546Y (en) Propulsion mechanism of microinjection pump
CN206096371U (en) Membrane key life -span testing arrangement
CN217886682U (en) Medicine injection execution system
CN2566870Y (en) Target control injection pump
CN202554472U (en) Handheld electric liquid medicine dispensing device
CN111282079A (en) Micro negative pressure pump
CN216160135U (en) Press testing mechanism of watch key
CN211389980U (en) Embedded gear circular arc core pulling mechanism
CN202433472U (en) Test fixture for testing indium tin oxide (ITO) conductivity of sensor of capacitive panel
CN201522344U (en) Switch detecting device
CN218700757U (en) Full-page injection molding device for keys of modular keyboard
CN215262899U (en) Intensity detection equipment for touch screen shell
CN2855748Y (en) Counting seal casing
CN114099050B (en) Intelligent needleless injection box capable of adjusting injection pressure
CN110654004A (en) Embedded gear circular arc core pulling mechanism
CN220946381U (en) Miniature floating ball screw sliding table mechanism
CN201223589Y (en) Contact setting of medical infusion alarm
CN213766863U (en) Forming device is used in processing of plastics supporting shoe
CN212636439U (en) Injection mold is used in production of needle tubing pen regulating valve
CN205069416U (en) Pedal switch
CN213450713U (en) Online injection pump with data communication function
CN220926731U (en) Microinjection needle drawing instrument for gene editing
CN219466903U (en) Automatic demolding mold

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: The medical Science and Technology Ltd. of Zhuhai City Mei Ruihua

Assignor: Lin Zhangyan

Contract record no.: 2015440000206

Denomination of utility model: Injection pump with function of extending tube fall off alarm and LCD screen dot matrix display

Granted publication date: 20080123

License type: Exclusive License

Record date: 20150609

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151214

Address after: Nanping Science and Technology Industrial Park Road 519070 west two screen in Guangdong province Zhuhai City No. 5 building third layer

Patentee after: The medical Science and Technology Ltd. of Zhuhai City Mei Ruihua

Address before: 519000 Guangdong city of Zhuhai province Gongbei 39 road with the Admiralty Garden Building 1 unit 501 room

Patentee before: Lin Zhangyan

DD01 Delivery of document by public notice

Addressee: Lin Zhangyan

Document name: Notification of Passing Examination on Formalities

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20080123