CN107224638B - A kind of Lightproof medical syringe - Google Patents

A kind of Lightproof medical syringe Download PDF

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Publication number
CN107224638B
CN107224638B CN201710596607.4A CN201710596607A CN107224638B CN 107224638 B CN107224638 B CN 107224638B CN 201710596607 A CN201710596607 A CN 201710596607A CN 107224638 B CN107224638 B CN 107224638B
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CN
China
Prior art keywords
syringe
screw rod
cone
opaque black
core bar
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CN201710596607.4A
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Chinese (zh)
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CN107224638A (en
Inventor
宗会迁
柳青
董劼
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Second Hospital of Hebei Medical University
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Second Hospital of Hebei Medical University
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Priority to CN201710596607.4A priority Critical patent/CN107224638B/en
Publication of CN107224638A publication Critical patent/CN107224638A/en
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    • 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
    • A61M5/178Syringes
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533Dosing mechanisms, i.e. setting a dose
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533Dosing mechanisms, i.e. setting a dose
    • A61M5/31535Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
    • A61M5/31541Means preventing setting of a dose beyond the amount remaining in the cartridge
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533Dosing mechanisms, i.e. setting a dose
    • A61M5/31545Setting modes for dosing
    • A61M5/31548Mechanically operated dose setting member
    • 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
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565Administration mechanisms, i.e. constructional features, modes of administering a dose

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention provides a kind of Lightproof medical syringe, is related to the field of medical instrument technology, including core bar and syringe, and syringe is opaque black syringe, and guider and metering limiting device are equipped between core bar and opaque black syringe.The configuration of the present invention is simple; by using opaque black syringe; in conjunction with external metering limiting device; realize the effect that the administration of light-tight injector gradation quantitative accurate, pumping are smooth and stablize; without the troublesome operation manually observed in pumping process, the accurate pumping of liquid ensure that, there is good protecting effect for being protected from light drug; it ensure that the safety being administered in the therapeutic process of patient, there is good promotional value.

Description

A kind of Lightproof medical syringe
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of Lightproof medical syringes.
Background technology
Syringe is often used in the diagnosis and treatment process of doctor, syringe is a kind of doctor being commonly used in liquid pumping Apparatus is treated, is made of the foraminate syringe of front end band and matching piston core pin, by pushing the piston core in syringe Bar realizes the injection or extraction of liquid.For the following drug that must be injected under the conditions of being protected from light, such as vitamins, fluorine quinoline promise Ketone, certain antineoplastics, vasoactive agent etc. are due to photo-labile, being easy to happen the change of drug effect, the medicine after variation Object does not have therapeutic effect not only to the body of patient, can also cause greatly to threaten.
Existing syringe is protected from light the general way using package silver foil or black cloth to drug, due to needing to liquid dose It is observed, so often light-shading effect is bad, be easy to causeing drug effect reduces the case where even failing, and existing is protected from light injection Device, so generally using the translucent form of dark-brown, needs electrodynamic pump to delay some due to needing with overview function Slow the case where injecting, the light-shading effect of this syringe is just influenced by bigger.If being directly protected from light effect using opaque The good syringe of fruit, then cannot achieve the control of dose, such as repeatedly successively by the liquid disposably mixed point multiple periods When injecting human body, opaque syringe also cannot achieve the function, and simultaneously for new medical staff, often technology is not consummate enough, In addition it is inconvenient to be protected from light drug pumping, it is easier to the crooked phenomenon for causing air inlet or dose pumping to be not allowed of core bar occur.
Invention content
The present invention provides a kind of Lightproof medical syringe, can solve light-tight injector light-shading effect in the prior art it is poor, Be protected from light liquid dosage during pumping be difficult to ensure precisely and Syringing process easily shake, unstable problem.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of Lightproof medical syringe, including core Bar and syringe, syringe are opaque black syringe, are equipped between the core bar and the opaque black syringe and are oriented to dress Set and measure limiting device.
As further optimization, metering limiting device includes being set on the outside of opaque black syringe and being fixed on core The first screw rod on bar and the second screw rod, first screw rod and the second screw rod are arranged each parallel to the central shaft of core bar, described Adjusting nut is respectively equipped on first screw rod and the second screw rod, the outside of the opaque black syringe corresponds to adjusting nut Position is equipped with limit element, and measurement label is equipped on first screw rod and second screw rod.
As further optimization, limit element is sleeve, and the outside of the opaque black syringe is equipped with arc pressure Plate, the sleeve are disposed through on arc pressuring plate, and are coordinated with first screw rod and the second screw slide.
As further optimization, the lower end of the first screw rod and second screw rod is equipped with lantern ring, and the lantern ring is located at not The periphery of transparent black syringe, the metering limiting device are also used as guider.
As further optimization, core bar includes push plate connected in sequence, push rod and the frustum of a cone from top to bottom, the circular cone Platform is rubber material component, and the frustum of a cone includes integrally formed cylinder and cone, and the cylinder is located at the top of cone, institute It includes being symmetrically disposed on the circumference of the frustum of a cone outward, and rectangular channel up and down and be set to opaque to state guider Black syringe on the inside of, and the raised line being slidably matched with the rectangular channel.
As further optimization, adjusting nut includes the first adjustment nut and second adjustment nut, the first adjustment Nut is set on the first screw rod, and positioned at the top of sleeve, the second adjustment nut is set on the second screw rod, and is located at The lower section of sleeve.
As further optimization, opaque black syringe periphery is equipped with the reference graduation sequentially to become larger from bottom to top, The measurement label includes the first scale and the second scale, and first scale is set on the first screw rod, and suitable from bottom to top Secondary to become larger, second scale is set on the second screw rod, and is sequentially become smaller from bottom to top, the reference graduation, the first scale It is yellow dial markings with the second scale.
As further optimization, the longitudinal cross-section of lantern ring is rectangle, the bottom surface of the lantern ring and the bottom surface of cylinder It overlaps.
As further optimization, opaque black syringe includes the cylinder and the frustum of a cone being sequentially arranged from top to bottom The closing in portion that is engaged of taper surface and syringe needle interconnecting piece, the syringe needle interconnecting piece is equipped with translucent observation area, described semi-transparent Bright observation area is brown or black.
As further optimization, push plate includes circular slab and is set to circular slab both sides, and respectively with the first screw rod and The connected cross bar of second screw tip, the diameter of the circular slab are less than the diameter of opaque black syringe.
It is using advantageous effect caused by above-mentioned technical proposal:The configuration of the present invention is simple, by using opaque Black syringe realizes that the administration of light-tight injector gradation quantitative accurate, pumping are smooth and stablize in conjunction with external metering limiting device Effect the accurate pumping of liquid is ensure that, for being protected from light drug without the troublesome operation manually observed in pumping process With good protecting effect, the safety being administered in the therapeutic process of patient ensure that, there is good promotional value.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Lightproof medical syringe of the present invention.
Fig. 2 is the structural schematic diagram of core bar in Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the A-A sectional views of Fig. 3.
Fig. 5 is the structural schematic diagram of syringe in Fig. 1.
Fig. 6 is the front view of Fig. 5.
In figure:100, core bar;110, push plate;111, circular slab;112, cross bar;120, push rod;130, the frustum of a cone;131, column Body;132, cone;133, rectangular channel;200, syringe;210, cylinder;220, closing in portion;230, syringe needle interconnecting piece;231, translucent Observation area;240, reference graduation;300, limiting device is measured;310, arc pressuring plate;320, the first screw rod;321, the first scale; 322, the first adjustment nut;330, the second screw rod;331, the second scale;332, second adjustment nut;340, lantern ring;350, it covers Cylinder.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in Figures 1 to 6, a kind of Lightproof medical syringe, including core bar 100 and syringe, syringe are opaque black Color syringe 200 is equipped with guider and metering limiting device between the core bar 100 and the opaque black syringe 200 300.The Lightproof medical syringe is disposable product, during using electrodynamic pump to being protected from light drug progress pumping, The case where being injected by several times to patient is protected from light after liquid needed for can also be used to disposably being equipped with, and above application occasion, which has, to be protected from light The longer feature of drug storage time in syringe, it is desirable that light-tight injector has good light-shading effect.The syringe is not Only with the syringe 200 being protected from light entirely to ensure photophobism, simultaneously for being protected from light, liquid is pushed into or the dose of absorption is opaque In the case of also can effectively be limited by measuring limiting device 300, while guider can also make medical staff exist It is smooth to ensure that core bar 100 moves during pumping, the deviation for avoiding dose from controlling also effectively avoids gas and enters syringe In 200.
The configuration of the present invention is simple, by using opaque black syringe, in conjunction with external metering limiting device, realization is kept away The smooth and stable effect of the administration of optoinjection device gradation quantitative accurate, pumping, is observed without manually in pumping process numerous Trivial operation ensure that the accurate pumping of liquid, has good protecting effect for being protected from light drug, ensure that the treatment of patient The safety being administered in journey has good promotional value.
As further optimization, as shown in Figures 2 to 6, metering limiting device 300 includes being set to opaque black The first screw rod 320 and the second screw rod 330 syringe 200 outside and be fixed on core bar 100, first screw rod 320 and second Screw rod 330 is arranged each parallel to the central shaft of core bar 100, and adjustment is respectively equipped on first screw rod, 320 and second screw rod 330 The outside of nut, the opaque black syringe 200 corresponds to the position of adjusting nut equipped with limit element, first screw rod 320 and second screw rod 330 on be equipped with measurement label.Metering limiting device 300 is by being set to the first screw rod 320 and the Adjusting nut on two screw rods 330 realizes limit effect with limit element collective effect, in conjunction with the first screw rod 320 and described second Measurement label on screw rod 330, is convenient for the absorption of quantitative liquid medicine and injects.
As further optimization, as shown in Figure 5 to Figure 6, limit element is sleeve 350, the opaque black needle The outside of cylinder 200 is equipped with arc pressuring plate 310, and the sleeve 350 is disposed through on arc pressuring plate 310, and with first spiral shell Bar 320 and the second screw rod 330 are slidably matched.Use sleeve 350 for limit element, and sleeve 350 is set to 200 outside of syringe It on pressing plate 310, is formed and is slidably matched between the inner wall of sleeve 350 and the first screw rod 320 and the second screw rod 330, ensure core bar 100 What is moved up and down in syringe 200 is correct smooth, avoid core bar 100 occur it is crooked or dislocation the case where, and then avoid gas from The case where entering liquid in gap after dislocation, and then ensure the safety of liquid.
As further optimization, as shown in Figures 2 to 4, the lower end of the first screw rod 320 and second screw rod 330 is set There are lantern ring 340, the lantern ring 340 to be located at the periphery of opaque black syringe 200, the 300 also conduct of metering limiting device Guider.Lantern ring 340 is set to the outer ring of syringe 200, is moved up and down with core bar 100 during the pumping of core bar 100, protects The stability for demonstrate,proving 330 relative position of the first screw rod 320 and the second screw rod is further ensured that the first screw rod 320 and the second screw rod 330 Good limit effect can be formed with sleeve 350, and it is smooth to ensure that core bar 100 is run.
As further optimization, as shown in Figures 2 to 4, core bar 100 include push plate 110 connected in sequence from top to bottom, Push rod 120 and the frustum of a cone 130, the frustum of a cone 130 are rubber material component, and the frustum of a cone 130 includes integrally formed column Body 131 and cone 132, the cylinder 131 are located at the top of cone 132, and the guider includes being symmetrically disposed on the frustum of a cone 130 circumference outward, and rectangular channel 133 up and down and is set to opaque 200 inside of black syringe, and with institute State the raised line 211 that rectangular channel 133 is slidably matched.During carrying out the pumping of liquid, by pushing or extracting 110 band of push plate The push rod 120 and the frustum of a cone 130 of dynamic lower section are moved up and down along syringe 200, shape between the frustum of a cone 130 and the inner wall of syringe 200 It is slidably matched at good.130 circumference of the frustum of a cone is convex by being arranged with 200 inside of syringe to symmetrically arranged rectangular channel 133 Being slidably matched between item 211 realizes good guiding role between core bar 100 and 200 inner wall of syringe, avoids some experiences not Sufficient medical staff causes core bar 100 crooked and then brings gas into syringe during carrying out pumping liquid using syringe 200 the phenomenon that.
As further optimization, as shown in Figures 2 to 4, adjusting nut includes the first adjustment nut 322 and second adjustment Nut 332, the first adjustment nut 322 is set to the upper of the first screw rod 320, and is located at the top of sleeve 350, and described second Adjusting nut 332 is set to the upper of the second screw rod 330, and positioned at the lower section of sleeve 350.Be set on the first screw rod 320 One adjusting nut 322 can realize that any position is consolidated on the first screw rod 320 by the threaded connection with the first screw rod 320 Fixed action, and then contacted with the upper surface of sleeve 350 by the lower surface of the first adjustment nut 322 and realize core bar 100 in needle The effect for being protected from light liquid is quantitatively injected in position restriction when being injected in cylinder 200, realization.Second be set on the second screw rod 330 Adjusting nut 3322 can realize that any position is consolidated on the second screw rod 330 by the threaded connection with the second screw rod 330 Fixed action, and then contacted with the lower surface of sleeve 350 by the upper surface of second adjustment nut 332 and realize core bar 100 in needle Position restriction when being extracted in cylinder 200 realizes that quantitative extract is protected from light liquid to the action in syringe 200.Pass through the first adjustment spiral shell The control of the amount of liquid is released and are pumped into respectively to mother 322 and second adjustment nut 332, can avoid medical worker's pumping Process Chinese medicine dose is grasped inaccurately, and is protected from light the problem of drug is not easy to observation, can effectively ensure that the accuracy of dose, and energy Improve working efficiency.
As further optimization, as shown in Figures 2 to 6, opaque 200 periphery of black syringe is equipped with suitable from bottom to top The secondary reference graduation 240 to become larger, the measurement label includes the first scale 321 and the second scale 331, first scale 321 It being set on the first screw rod 320, and sequentially becomes larger from bottom to top, second scale 331 is set on the second screw rod 330, and Sequentially become smaller from bottom to top, the reference graduation 240, the first scale 321 and the second scale 331 are yellow dial markings.Needle The lower face that the reference graduation 240 of 200 peripheries of cylinder corresponds to lantern ring 340 is read out, this is because the lower face of cylinder 131 and needle The lower face of the lantern ring 340 of 200 outer rings of cylinder flushes, and can carry out 131 position lower end of cylinder by observing the lower face of lantern ring 340 The determination in face, and the position of 131 lower face of cylinder is the position for the upper surface for representing 2 herb liquid of syringe, convenient for passing through lantern ring The control realized injection or extract liquid volume corresponding with the reference graduation 240 on syringe 200 of 340 lower face, while Check suitable for medical staff to the numerical value for being protected from light liquid volume extracted from medicine bottle, first on the first screw rod 320 Scale 321 corresponds to the first adjustment nut 322 and is set, the case where applied to being injected to patient's body or using electrodynamic pump. It, can be right every time using the syringe when disposably configuring quantitative liquid medicine and being injected several times to patient's progress liquid stage by stage Position of the first adjustment nut 322 on the first screw rod 320 should be adjusted, realizes the push-in of quantitative liquid medicine.It is set on first screw rod 320 The first scale 321 set is mark point or delineates the form of groove, while can design yellowly scale for the ease of reading The form of graticule, the point value of 100 milliliters, 200 milliliters, 300 milliliters, 400 milliliters etc. integral multiples of main mark, for injecting It is quantitatively protected from light liquid, the first scale 321 sequentially becomes larger from bottom to top, the mistake that cooperation core bar 100 is injected downwards from 200 top of syringe Journey, being easy to implement in bolus infusion processes numerical value on the first screw rod 320 has the tendency that small to incremental greatly, and dosage is injected convenient for calculating.The The second adjustment nut 332 of two screw rods, 330 lower end setting is used for the extraction of liquid, such as needs to extract 100 milliliters of liquid, then Second adjustment nut 332 is fixed on the position on the second scale 331 close to 100 milliliters of lower section, when being drawn into required amount Liquid when, the upper surface of second adjustment nut 332 is contacted with the bottom surface of sleeve 350, plays position-limiting action, extraction process with Bolus infusion processes are on the contrary, so the scale marker of the second scale 331 is sequentially to become smaller from bottom to top, likewise, and main mark The point value of 100 milliliters, 200 milliliters, 300 milliliters, 400 milliliters etc. integral multiples.Reach maximum value in 200 Chinese medicine liquid measure of syringe When, the upper top surface of liquid is overlapped with the lower surface of lantern ring 340, and the height of the upper surface of second adjustment nut 332 is higher than set at this time The lower surface of ring 340, in order to avoid the absorption of the interference effect liquid between second adjustment nut 332 and sleeve 350, therefore sleeve 350 lower surface height should be higher than the maximum value of reference graduation 240, and the height of minimum high second adjustment nut 332 and lantern ring 340 The sum of degree.When due to the liquid volume when the first adjustment nut 322 acts on, injected being maximum, the following table of the first adjustment nut 322 Face is overlapped with the upper surface of sleeve 350, so the frustum of a cone 130 and the inner wall in the closing in portion 220 of syringe 200 when core bar 100 are complete Constantly, the mark point of the maximum value of the first scale 321 is located at 350 upper surface of sleeve Full connected, thus from top to bottom, it is arrogant and The small mark for carrying out scale value, in set amount scale designation, when the core bar 100 of syringe is pushed near syringe needle interconnecting piece When 230, the maximum value of first scale 321 is located at the upper surface of sleeve 350.
As further optimization, as shown in Figure 3 to Figure 4, the longitudinal cross-section of lantern ring 340 is rectangle, the lantern ring 340 Bottom surface is overlapped with the bottom surface of cylinder 131.The longitudinal cross-section of lantern ring 340 is under rectangle can be such that lantern ring 340 has explicitly Bottom surface, and the form that bottom surface setting is overlapped positioned at the bottom surface of the cylinder 131 of the frustum of a cone 130, convenient for by under lantern ring 340 Bottom surface corresponds to the reference graduation 240 of syringe 200, to read extraction liquid amount size, realize to opaque syringe 200 It is capable of the effect of intuitive reading numerical values.
As further optimization, as shown in Figure 5 to Figure 6, opaque black syringe 200 includes sequentially setting from top to bottom The closing in portion 220 and syringe needle interconnecting piece 230 that the taper surface of the cylinder 210 and the frustum of a cone 130 set is engaged, the syringe needle connect Socket part 230 is equipped with translucent observation area 231, and the translucent observation area 231 is brown or black.Syringe needle interconnecting piece 230 is arranged Translucent observation area 231 convenient for whether thering is bubble effectively to be observed the needle end of syringe 200, be convenient for medical staff that will note Emitter in syringe needle, effectively release upwards by the inverted gas by syringe 200, while can also avoid excessive liquid Waste, translucent observation area 231 is set as brown or on the one hand black ensure that observing effect, while also having to being protected from light liquid Certain light-shading effect ensures that liquid is not irradiated by light, and then ensures the safety and stability of drug effect to greatest extent.
As further optimization, as shown in Figure 2 and Figure 4, push plate 110 includes circular slab 111 and is set to circular slab 111 Both sides, and the cross bar 112 being connected respectively with the first screw rod 320 and 330 top of the second screw rod, the diameter of the circular slab 111 are small In the diameter of opaque black syringe 200.Circular slab 111 is circle, and its diameter is less than the diameter of syringe 200, because Syringe open after it is laterally disposed during, by circular slab 111 be dimensioned to be less than 200 diameter of syringe it is possible to prevente effectively from Syringe needle interconnecting piece 230 is directly contacted with placement platform, ensures the aseptic of syringe, since 111 both sides of circular slab are by pushing away Bar 120 is connected with the first screw rod 320 and the second screw rod 330 respectively, so on the one hand can guarantee that circular slab 111 can smoothly be drawn Go out, while can also make to be formed between circular slab 111, cross bar 112 and the first screw rod 320, the second screw rod 330 and lantern ring 340 and stablize Entirety, ensure during core bar 100 pumping along 350 traveling comfort of sleeve.
The configuration of the present invention is simple, by using opaque black syringe, in conjunction with external metering limiting device, realization is kept away The smooth and stable effect of the administration of optoinjection device gradation quantitative accurate, pumping, is observed without manually in pumping process numerous Trivial operation ensure that the accurate pumping of liquid, has good protecting effect for being protected from light drug, ensure that the treatment of patient The safety being administered in journey has good promotional value.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.

Claims (3)

1. a kind of Lightproof medical syringe, including core bar (100) and syringe, it is characterised in that:The syringe is opaque black Color syringe (200), is equipped with guider between the core bar (100) and the opaque black syringe (200) and metering limits Position device (300);
The metering limiting device (300) includes being set on the outside of opaque black syringe (200) and being fixed on core bar (100) On the first screw rod (320) and the second screw rod (330), first screw rod (320) and the second screw rod (330) are each parallel to core bar (100) central shaft is arranged, and adjusting nut is respectively equipped on first screw rod (320) and the second screw rod (330), described impermeable The position that the outside of bright black syringe (200) corresponds to adjusting nut is equipped with limit element, first screw rod (320) and described Measurement label is equipped on second screw rod (330), the limit element is sleeve (350);
The adjusting nut includes the first adjustment nut (322) and second adjustment nut (332), the first adjustment nut (322) it is set on the first screw rod (320), and positioned at the top of sleeve (350), the second adjustment nut (332) is set to On second screw rod (330), and positioned at the lower section of sleeve (350);The outside of the opaque black syringe (200) is equipped with arc Pressing plate (310), the sleeve (350) are disposed through on arc pressuring plate (310), and with first screw rod (320) and second Screw rod (330) is slidably matched;The lower end of first screw rod (320) and second screw rod (330) is equipped with lantern ring (340), institute The periphery that lantern ring (340) is located at opaque black syringe (200) is stated, the metering limiting device (300) is also as guiding dress It sets;
Described opaque black syringe (200) periphery is equipped with the reference graduation (240) sequentially to become larger from bottom to top, the benchmark The lower face of the corresponding lantern ring (340) of scale (240) is read out, and it includes the first scale (321) and that the measurement, which marks, Two scales (331), first scale (321) is set on the first screw rod (320), and sequentially becomes larger from bottom to top, and described Two scales (331) are set on the second screw rod (330), and are sequentially become smaller from bottom to top, the reference graduation (240), the first quarter It is yellow dial markings to spend (321) and the second scale (331);
The opaque black syringe (200) includes the cylinder (210) being sequentially arranged from top to bottom and the frustum of a cone (130) The closing in portion (220) and syringe needle interconnecting piece (230) that taper surface is engaged, the syringe needle interconnecting piece (230) are equipped with translucent sight Cha Qu (231), the translucent observation area (231) are brown or black;
The core bar (100) includes push plate (110) connected in sequence, push rod (120) and the frustum of a cone (130) from top to bottom, described The frustum of a cone (130) is rubber material component, and the frustum of a cone (130) includes integrally formed cylinder (131) and cone (132), The cylinder (131) is located at the top of cone (132), and the guider includes the circumference for being symmetrically disposed on the frustum of a cone (130) Outward, and up and down rectangular channel (133) and be set on the inside of opaque black syringe (200), and with the square The raised line (211) that shape slot (133) is slidably matched;
When the frustum of a cone (130) of core bar (100) and the inner wall in the closing in portion (220) of syringe (200) completely attach to, the first scale (321) mark point of maximum value is located at sleeve (350) upper surface.
2. a kind of Lightproof medical syringe according to claim 1, it is characterised in that:The longitudinal direction of the lantern ring (340) is cut Face is rectangle, and the bottom surface of the lantern ring (340) is overlapped with the bottom surface of cylinder (131).
3. a kind of Lightproof medical syringe according to claim 1, it is characterised in that:The push plate (110) includes circle Plate (111) and circular slab (111) both sides are set to, and is connected respectively with the first screw rod (320) and the second screw rod (330) top Cross bar (112), the diameter of the circular slab (111) are less than the diameter of opaque black syringe (200).
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CN108179875B (en) * 2017-11-27 2020-11-06 广西盛隆钢铁材料研究院 Fastening device and control method thereof
CN108452406A (en) * 2018-05-03 2018-08-28 秦承志 A kind of department of anesthesia's anaesthetic amount detecting device
CN109317371A (en) * 2018-12-08 2019-02-12 大连鑫鑫创世科技发展有限公司 A kind of injection device and method of computer heat radiation silicone grease heat-conducting glue
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CN110755735A (en) * 2019-10-31 2020-02-07 徐金凤 Portable otolaryngology ware of dosing of difficult jam
CN112121290A (en) * 2020-09-30 2020-12-25 中国人民解放军陆军军医大学第二附属医院 Multifunctional syringe needle for percutaneous laryngeal cavity neobiological treatment
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EP0446403A1 (en) * 1990-03-14 1991-09-18 Klaus Nothdurft Device for controlling the filling amount of a syringe
WO1999007421A1 (en) * 1997-08-08 1999-02-18 Genesis Industries Incorporated Incrementally adjustable dose syringe
CN202044598U (en) * 2011-04-09 2011-11-23 姜文进 Boosting device of syringe
CN203389166U (en) * 2013-07-30 2014-01-15 中山大学附属第三医院 Light-shading syringe
CN204655677U (en) * 2015-03-18 2015-09-23 杭州富阳新锐生物科技有限公司 A kind of medical syringe
CN205434581U (en) * 2015-12-30 2016-08-10 深圳市第二人民医院 Pancreas transplantation operation insulin syringe of adjustable flow
CN205549140U (en) * 2016-04-03 2016-09-07 吴惠文 Special syringe of diabetes

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