CN108283744A - A kind of Medical burette - Google Patents

A kind of Medical burette Download PDF

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Publication number
CN108283744A
CN108283744A CN201810265308.7A CN201810265308A CN108283744A CN 108283744 A CN108283744 A CN 108283744A CN 201810265308 A CN201810265308 A CN 201810265308A CN 108283744 A CN108283744 A CN 108283744A
Authority
CN
China
Prior art keywords
connecting tube
elastic rubber
motor
rubber pipe
check valve
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
Application number
CN201810265308.7A
Other languages
Chinese (zh)
Inventor
陈清祥
陈超仁
陈记欣
陈志生
洪吟彬
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.)
Quanzhou Chuang Yuan Mechatronics Technology Co Ltd
Original Assignee
Quanzhou Chuang Yuan Mechatronics Technology Co Ltd
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 Quanzhou Chuang Yuan Mechatronics Technology Co Ltd filed Critical Quanzhou Chuang Yuan Mechatronics Technology Co Ltd
Priority to CN201810265308.7A priority Critical patent/CN108283744A/en
Publication of CN108283744A publication Critical patent/CN108283744A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16804Flow controllers
    • A61M5/16813Flow controllers by controlling the degree of opening of the flow line
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16831Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16877Adjusting flow; Devices for setting a flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means 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
    • A61M5/16831Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M2005/16863Occlusion detection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/18General characteristics of the apparatus with alarm
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3379Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3386Low level detectors

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 Medical burettes, it is related to field of medical device, including woven hose and controller, woven hose includes the first connecting tube, the first check valve, elastic rubber pipe, the second check valve and the second connecting tube, wherein the first check valve, elastic rubber pipe and the second check valve form a positive displacement pump;Controller includes shell, and enclosure interior is equipped with a mounting base below its opening, and positive displacement pump is stood upside down by mounting base and is separably positioned over enclosure interior vertically, and the first connecting tube and the second connecting tube all extend to open outside;Enclosure interior is installed in the pressurizing unit for squeezing elastic rubber pipe side wall.Beneficial effects of the present invention:By adjusting pressurizing unit to the i.e. changeable transfusion speed of the extruding frequency of elastic rubber pipe.Woven hose and controller quickly mutually can be assembled or be dismantled by way of extracting and placing by the present invention, and controller repeats the advantages that utilizing.

Description

A kind of Medical burette
Technical field
The present invention relates to field of medical device, more specifically a kind of Medical burette.
Background technology
It is infused also known as has an intravenous drip or hang water, be to input internal large dosage by intravenous drip(Single administration 100ml with On)Injection.It is packaged in glass or plastic infusion bottle or bag, is free of preservative or bacteriostatic agent.By defeated when use Liquid device adjustment drop speed, continues and steadily enters vein, to supplement body fluid, electrolyte or provide nutriment.Existing infusion apparatus Usually Murphy's burette.Many drugs have a strict demand for transfusion speed, but Murphy's burette can not be accurately controlled it is defeated Liquid speed degree.And Murphy's burette often because downstream woven hose bending, by reasons such as external force pressures due to occur transfusion speed become Slowly, the case where or even stopping infusion, this is totally unfavorable for treating.Therefore need design one kind that can control transfusion speed, and The infusion controller of emergency can be coped with.
Invention content
The present invention provides a kind of Medical burette, it is therefore intended that solves disadvantages mentioned above existing for existing Murphy's burette.
The present invention adopts the following technical scheme that:
A kind of Medical burette, including woven hose and controller, the woven hose include sequentially connected first connecting tube, the first list To valve, elastic rubber pipe, the second check valve and the second connecting tube, wherein the first check valve, elastic rubber pipe and the second check valve It is formed using the first check valve as water inlet end, the second check valve is the positive displacement pump of water outlet;The controller includes shell and extruding The upper surface of device, the shell is equipped with opening, and the enclosure interior is equipped with a mounting base below opening, and the positive displacement pump passes through Mounting base stands upside down and is separably positioned over enclosure interior vertically, and it is outer that the first connecting tube and the second connecting tube all extend to opening Portion;The enclosure interior is installed in the pressurizing unit for squeezing elastic rubber pipe side wall.
Further, the sidewalls vertical of the mounting base is equipped with a semi-cylindrical groove body compatible with elastic rubber pipe, and The upper ring body and lower ring body for being socketed elastic rubber pipe are formed at the both ends of semi-cylindrical groove body;The mounting base is another opposite The middle part of side wall is equipped with the placing groove for connecting and being used for place the first connecting tube with semi-cylindrical groove body vertically, and mounting base is another The both sides of opposing sidewalls are additionally provided with the interconnecting piece being connected with shell.
Further, the pressurizing unit includes cam, motor, worm screw, worm gear and the circuit board for controlling motor, institute It states cam and worm screw can be rotationally mounted at enclosure interior, the side wall of cam and the elastic rubber pipe is inconsistent, cam Side wall is equipped with the worm gear, and the worm and wheel is meshed and is equipped with the motor for making it act.
Further, the side wall of the shell is embedded with the touch display screen being connected with the circuit board, the circuit board Including motor control module, current detection module, Parameter Switch module, alarm module and programmable processor, the parameter turns Mold changing block mutually converts motor rotary speed and transfusion speed for mutually converting the motor rotation number of turns and amount of infusion;Parameter turns The transfusion speed and amount of infusion that mold changing block inputs user by touch display screen are converted to motor rotary speed and motor rotation circle Number, motor control module control motor operations according to motor rotary speed and the motor rotation number of turns, while by current detection module reality When monitoring motor operating current stop motor, and alarmed by alarm module when operating current exceeds default safety value.
Further, the lower ring body is inserted in a shrapnel vertically, and the side of the shrapnel and the cam are inconsistent, the other side It is inconsistent with the elastic rubber pipe.
Further, it is additionally provided with from the second connecting tube between first connecting tube and the second connecting tube and flows to the first connecting tube Overflow valve.
Further, the mounting base can be installed in vertical lifting the madial wall of shell by one-dimensional sliding equipment, installation The upper end of seat is equipped with pull rod.
Further, the lateral wall of the shell is equipped with a L-type groove body for placing the second connecting tube, the L-type groove body One end is communicated with the opening, another side wall lower ends for extending to shell.
Further, the hull outside is installed with a fixture.
By the above-mentioned description to structure of the invention it is found that compared to the prior art, present invention has the advantages that:
In one, the present invention, including woven hose and controller, woven hose include the first connecting tube, the first check valve, elastic rubber Pipe, the second check valve and the second connecting tube, wherein the first check valve, elastic rubber pipe and the second check valve form a positive displacement pump; Controller includes shell, and enclosure interior is equipped with a mounting base below its opening, and positive displacement pump is stood upside down by mounting base and can vertically It is positioned separately in enclosure interior, the first connecting tube and the second connecting tube all extend to open outside;Enclosure interior is installed in use In the pressurizing unit for squeezing elastic rubber pipe side wall.Controller is fixed on infusion support when use, then by positive displacement pump and The part of first connecting tube is put into mounting base from opening, then practices grade pipe by first and be inserted into infusion bottle, starts controller and empties in pipe Second connecting tube is accessed patient's body by air.It is i.e. changeable to the extruding frequency of elastic rubber pipe by adjusting pressurizing unit Transfusion speed.Woven hose quickly mutually can be assembled or be torn open with controller by way of extracting and placing by the present invention It unloads, other than it can control transfusion speed, also there is ingenious in design, easy to operate, controller repeatable the advantages that utilizing.
Secondly, the present invention in, pressurizing unit includes cam, motor, worm screw, worm gear and the circuit for controlling motor Plate.Change the frequency of cam extrusion elastic rubber pipe by adjusting the rotating speed of motor, and then controls and change transfusion speed.
Thirdly, mounting base can be installed in vertical lifting the madial wall of shell by one-dimensional sliding equipment, mounting base it is upper End is equipped with pull rod.Mounting base is lifted from opening when use, preferably to replace conveyance conduit.
Four, in the present invention, overflow valve is additionally provided between the first connecting tube and the second connecting tube.When the second connecting tube is because curved The reasons such as folding and block, the resistance that receives increases when causing pressure excessive, when cam rotates, and the operating current of motor increases and surpasses Go out default safety value, cut off the power by circuit board and sends out alarm;Overflow valve automatically opens simultaneously, and partially liq branches to first Connecting tube makes respective handling convenient for nurse or doctor, patient is avoided to come to harm in time.
Description of the drawings
Fig. 1 is the use state diagram of the present invention.
Fig. 2 is the sectional view of the present invention.
The structural schematic diagram of Fig. 3 devices in order to control.
Fig. 4 is the structural schematic diagram of mounting base and one-dimensional sliding equipment.
Fig. 5 is the structure diagram of circuit board.
Specific implementation mode
Illustrate the specific implementation mode of the present invention with reference to the accompanying drawings.
Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of Medical burette, including woven hose 20 and controller 10.Woven hose 20 includes successively The first connecting tube 21, the first check valve 22, elastic rubber pipe 23, the second check valve 24 and the second connecting tube 25 of connection, wherein It is water inlet end, the second check valve that first check valve 22, elastic rubber pipe 23 and the second check valve 24, which are formed with the first check valve 22, 24 be the positive displacement pump 200 of water outlet.Wherein the first connecting tube 21 is suffered from for connecting infusion bottle a, the second connecting tube 25 for connecting Person, specifically, the second connecting tube 25 are Murphy's burette.Preferably:First connecting tube 21 and the second connecting tube 25 it Between be additionally provided with the overflow valve 2521 that the first connecting tube 21 is flowed to from the second connecting tube 25.
Referring to FIG. 1, FIG. 2 and FIG. 3, controller 10 includes shell 1, and the upper surface of the shell 1 is equipped with opening 11, in shell 1 Portion is equipped with a mounting base 4 below opening 11.Positive displacement pump 200 is stood upside down by mounting base 4 and is separably positioned over shell 1 vertically It is internal.First connecting tube 21 and the second connecting tube 25 all extend to outside opening 11,.It is installed in inside shell 1 for squeezing bullet The pressurizing unit 3 of property 23 side wall of rubber tube.
Referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, pressurizing unit 3 include cam 34, motor 32, worm screw 33, worm gear 341 and use In the circuit board 31 of control motor 32, cam 34 and worm screw 33 can be rotationally mounted inside shell 1, cam 34 and elastic rubber The side wall of sebific duct 23 is inconsistent, and the side wall of cam 34 is equipped with worm gear 341, and worm screw 33, which is meshed and is equipped with worm gear 341, makes it The motor 32 of action.Motor 32 and circuit board 31 are powered by accumulator 30.
Referring to Fig.1, Fig. 2 and Fig. 5, the side wall of shell 1 are embedded with the touch display screen 17 being connected with circuit board 31, the electricity Road plate 31 includes motor control module, current detection module, Parameter Switch module, alarm module and programmable processor.It is above-mentioned Parameter Switch module mutually converts motor rotary speed and transfusion speed for mutually converting the motor rotation number of turns and amount of infusion; The transfusion speed and amount of infusion that above-mentioned parameter conversion module inputs user by touch display screen be converted to motor rotary speed and The motor rotation number of turns stores and provides pre-designed conversion relation or reduction formula, above-mentioned horse by programmable processor It is worked up to control module according to motor rotary speed and the motor rotation number of turns to control motor 32, while by above-mentioned current detection module reality When monitoring motor 32 operating current stop motor 32, and by above-mentioned alarm module when operating current exceeds default safety value Send out alarm sound;Co-ordination between each module is coordinated and is controlled by the program in programmable processor.As Preferred embodiment:The circuit board 31 further includes communication module, circuit board 31 by the work computer of communication module and medical staff or Person's smart mobile phone communicates wirelessly, and facilitates medical staff's remote reviewing transfusion condition, including medicine name, transfusion time, infusion speed Degree, amount of infusion, alarm signal, remaining time etc..Wherein, the conversion relation between motor rotary speed and transfusion speed or conversion Formula, existing technical staff can be obtained by testing to measure, and belong to simple and measurable variable data conversion problem, also not It is to be not added with repeat herein where the protection of the present invention.
Referring to Fig.1, the sidewalls vertical of Fig. 2, Fig. 3 and Fig. 4, mounting base 4 are equipped with one compatible with elastic rubber pipe 23 half Cylindrical groove body 40, and form upper ring body 41 and lower ring for being socketed elastic rubber pipe 23 at the both ends of semi-cylindrical groove body 40 Body 42.The middle part of another opposing sidewalls of mounting base is equipped with vertically to be connected with semi-cylindrical groove body 40 and is connect for placing first The placing groove 400 of pipe 21.The both sides of 4 another opposing sidewalls of mounting base are additionally provided with the interconnecting piece 43 being connected with shell 1.As excellent Select scheme:The upper end lateral wall of elastic rubber pipe 23 is equipped with annular flange, and elastic rubber pipe 23 is positioned over semi-cylindrical groove When body 40, annular flange and upper ring body 41 are inconsistent, to which elastic rubber pipe 23 is placed in mounting base 4, and upper ring appropriate Body 41 and lower ring body 42 can allow elastic rubber pipe 23 to preserve vertical state, and can not arbitrarily shake.
Referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, specifically, mounting base 4 can coordinate screw to be fixedly arranged on shell by interconnecting piece 43 1 madial wall can also be installed in vertical lifting the madial wall of shell 1, as specific implementation by one-dimensional sliding equipment 5 Scheme:One-dimensional sliding equipment 5 includes mounting plate 51, which is equipped with two sliding rails 52 being mutually parallel, every cunning vertically Rail 52 is equipped with sliding block 53.Two sliding blocks 53 are respectively the interconnecting piece 43 together in 4 both sides of mounting base.It is installed for the ease of hand-operated lifting Seat 4, a pull rod 44 is also installed in the upper end of mounting base 4.The pull rod 44 is the plate of L-type, and the lower end of pull rod 44 is together in peace Fill the interconnecting piece 43 of 4 both sides of seat.
With reference to Fig. 2 and Fig. 4, preferably:Lower ring body 42 is inserted in a shrapnel 5 vertically, the side of the shrapnel 5 with it is convex Take turns 34 inconsistent, the other side and elastic rubber pipe 23 are inconsistent.Shrapnel 5 can directly rub to avoid cam 34 and elastic rubber pipe 23 It wipes, prevents elastic rubber pipe 23 impaired, while shrapnel 5 can increase the squish area of elastic rubber pipe 23, increase elastic rubber The volume change degree of pipe 23, and different 5 length and widths of shrapnel is designed, 23 single extrusion of elastic rubber pipe can be adjusted Volume change size.
Referring to Fig.1, the lateral wall of Fig. 2, Fig. 3 and Fig. 4, shell 1 are equipped with a L-type groove body for placing the second connecting tube 25 12, one end of the L-type groove body 12 is communicated with opening 11, another side wall lower ends for extending to shell 1.Preferably:L-type slot The cross section of body 12 is C-shaped, can be stuck in the second connecting tube 25 wherein.
Referring to Figure 1 and Figure 3, a fixture 100 is installed with outside shell 1.Specifically, fixture 100 includes the to be hinged The hinged place of one clamping plate 101 and second clamping plate 102, first clamping plate 101 and second clamping plate 102 is equipped with torsional spring(Non- body in figure It is existing).First clamping plate 101 is fixedly arranged on the lateral wall of shell 1, and second clamping plate 102 is equipped with operation portion 1021 close to hinged one end.
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, application method of the invention:(1)By pull rod 44 by mounting base 4 from opening It is pulled out in mouthful, then elastic rubber pipe 23 is put into mounting base 4, and the latter end of the first connecting tube 21 is allowed to be in placing groove 400; (2)Mounting base 4 is minimized by place by pull rod 44 again;The leading portion of second connecting tube 25 is positioned in L-type groove body 12;It will control Device 10 processed is fixed on by fixture 100 on hanging bottle support b, then the first connecting tube 21 is accessed infusion bottle a;(3)It is aobvious by touching The input of display screen 17 includes the relevant infusion information of medicine name, transfusion speed and amount of infusion etc., by the Parameter Switch mould of circuit board 31 Block and programmable processor according to transfusion speed and amount of infusion using the reduction formula to prestore calculate corresponding motor rotary speed and The motor rotation number of turns;(4)32 invariablenes turning speed of motor is controlled according to motor rotary speed by programmable processor and motor control module Work, and the accumulative rotating cycle of motor 32 is recorded in real time;32 driving cam 34 of motor rotates, and week is carried out to elastic rubber pipe 23 Phase property squeezes;Due to the presence of the first check valve 22 and the second check valve 24 so that the liquid in infusion bottle a is through the first connecting tube After 21 enter elastic rubber pipes 23, can only unidirectionally it be flowed from the second connecting tube 25, using flowing into patient after the second connecting tube 25 In vivo;(5)When the accumulative rotating cycle that circuit board 31 is recorded reaches said motor rotating cycle, circuit board 31 judges this time Infusion task is completed, and is just automatically stopped motor 32 by circuit board 31 and is sent out the alarm signal that infusion is completed(When motor 32 stops, Liquid should also be remained in woven hose 20, be not in excessive and be difficult to the air emptied, medical staff is facilitated more to renew Infusion bottle a continues subsequent infusion work).(6)When the second connecting tube 25 blocks(For example, the second connecting tube 25 occurs sternly It bends again), when causing its hydraulic pressure excessive, overflow valve 1521 is automatically opened because upstream pressure is more than threshold values, partially liq shunting To the first connecting tube 21;The resistance of the elastic rubber pipe 23 of the extruding of cam 34 simultaneously becomes larger so that the load of motor 32 increases, work electricity It flows and increases and be more than default safety value, the programmable processor and motor control module of circuit board 31 judge that appearance is abnormal, just certainly It is dynamic to stop motor 32 (overload protection of circuit board 31), and abnormal alarm signal is sent out by alarm module.
The specific implementation mode of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this Conceive the change for carrying out unsubstantiality to the present invention, the behavior for invading the scope of the present invention should all be belonged to.

Claims (9)

1. a kind of Medical burette, it is characterised in that:Including woven hose and controller, the woven hose includes sequentially connected first Connecting tube, the first check valve, elastic rubber pipe, the second check valve and the second connecting tube, wherein the first check valve, elastic rubber pipe It is formed using the first check valve as water inlet end with the second check valve, the second check valve is the positive displacement pump of water outlet;The controller packet Shell and pressurizing unit are included, the upper surface of the shell is equipped with opening, and the enclosure interior is equipped with a mounting base, institute below opening It states positive displacement pump to stand upside down vertically by mounting base and be separably positioned over enclosure interior, the first connecting tube and the second connecting tube are prolonged Extend to open outside;The enclosure interior is installed in the pressurizing unit for squeezing elastic rubber pipe side wall.
2. a kind of Medical burette according to claim 1, it is characterised in that:The sidewalls vertical of the mounting base be equipped with one with The compatible semi-cylindrical groove body of elastic rubber pipe, and formed at the both ends of semi-cylindrical groove body for being socketed elastic rubber pipe Upper ring body and lower ring body;The middle part of another opposing sidewalls of mounting base is equipped with and connects and be used for semi-cylindrical groove body vertically The placing groove of the first connecting tube is placed, the both sides of another opposing sidewalls of mounting base are additionally provided with the interconnecting piece being connected with shell.
3. a kind of Medical burette according to claim 1 or 2, it is characterised in that:The pressurizing unit includes cam, horse Reach, worm screw, worm gear and the circuit board for controlling motor, the cam and worm screw can be rotationally mounted at enclosure interior, The side wall of cam and the elastic rubber pipe is inconsistent, and the side wall of cam is equipped with the worm gear, and the worm and wheel is meshed And it is equipped with the motor for making it act.
4. a kind of Medical burette according to claim 3, it is characterised in that:The side wall of the shell is embedded with and the electricity The touch display screen that road plate is connected, the circuit board include motor control module, current detection module, Parameter Switch module, Alarm module and programmable processor, the Parameter Switch module will for mutually converting the motor rotation number of turns and amount of infusion Motor rotary speed and transfusion speed are mutually converted;Transfusion speed that Parameter Switch module inputs user by touch display screen and Amount of infusion is converted to motor rotary speed and the motor rotation number of turns, and motor control module is controlled according to motor rotary speed and the motor rotation number of turns Motor operations processed, while by the operating current of the real-time monitoring motor of current detection module, when operating current exceeds default safety value When, stop motor, and alarmed by alarm module.
5. a kind of Medical burette according to claim 2, it is characterised in that:The lower ring body is inserted in a shrapnel vertically, The side of the shrapnel and the cam are inconsistent, and the other side and the elastic rubber pipe are inconsistent.
6. a kind of Medical burette according to claim 1, it is characterised in that:First connecting tube and the second connecting tube it Between be additionally provided with the overflow valve that the first connecting tube is flowed to from the second connecting tube.
7. a kind of Medical burette according to claim 1, it is characterised in that:The mounting base can by one-dimensional sliding equipment It is installed in vertical lifting the madial wall of shell, the upper end of mounting base is equipped with pull rod.
8. a kind of Medical burette according to claim 1, it is characterised in that:The lateral wall of the shell is equipped with one for putting The L-type groove body of the second connecting tube is set, one end of the L-type groove body is communicated with the opening, another side wall lower ends for extending to shell.
9. requiring a kind of Medical burette described in 1 according to profit, it is characterised in that:The hull outside is installed with a fixture.
CN201810265308.7A 2018-03-28 2018-03-28 A kind of Medical burette Pending CN108283744A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109331238A (en) * 2018-09-28 2019-02-15 德州飚丰信息技术有限公司 Medical drainage control device
CN110064095A (en) * 2019-05-20 2019-07-30 黄石市中心医院 A kind of volume control device of infusion

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Publication number Priority date Publication date Assignee Title
CN1254600A (en) * 1998-11-19 2000-05-31 Ace医疗株式会社 Applying device of liquid medicine for vascular injection
CN201847972U (en) * 2010-11-12 2011-06-01 林水龙 Transfusion device capable of automatically changing bottles and alarming
CN103025366A (en) * 2010-07-23 2013-04-03 康尔福盛303公司 Matrix infusion means
US8469933B2 (en) * 2011-03-18 2013-06-25 Zyno Medical Llc Pump activated pinch clamp
CN206837194U (en) * 2017-01-18 2018-01-05 上海怡新医疗设备有限责任公司 Disposable infusion pump automatic control liquid dispensing apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254600A (en) * 1998-11-19 2000-05-31 Ace医疗株式会社 Applying device of liquid medicine for vascular injection
CN103025366A (en) * 2010-07-23 2013-04-03 康尔福盛303公司 Matrix infusion means
CN201847972U (en) * 2010-11-12 2011-06-01 林水龙 Transfusion device capable of automatically changing bottles and alarming
US8469933B2 (en) * 2011-03-18 2013-06-25 Zyno Medical Llc Pump activated pinch clamp
CN206837194U (en) * 2017-01-18 2018-01-05 上海怡新医疗设备有限责任公司 Disposable infusion pump automatic control liquid dispensing apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109331238A (en) * 2018-09-28 2019-02-15 德州飚丰信息技术有限公司 Medical drainage control device
CN109331238B (en) * 2018-09-28 2020-11-17 黄悦 Medical drainage control device
CN110064095A (en) * 2019-05-20 2019-07-30 黄石市中心医院 A kind of volume control device of infusion

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