CN109663180A - A kind of multifunctional cryptorrheic disease located injection means - Google Patents

A kind of multifunctional cryptorrheic disease located injection means Download PDF

Info

Publication number
CN109663180A
CN109663180A CN201910119468.5A CN201910119468A CN109663180A CN 109663180 A CN109663180 A CN 109663180A CN 201910119468 A CN201910119468 A CN 201910119468A CN 109663180 A CN109663180 A CN 109663180A
Authority
CN
China
Prior art keywords
fixing seat
fixed
body frame
seat
slot
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.)
Withdrawn
Application number
CN201910119468.5A
Other languages
Chinese (zh)
Inventor
吴琰
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.)
Changzhou Second Peoples Hospital
Original Assignee
Changzhou Second Peoples Hospital
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 Changzhou Second Peoples Hospital filed Critical Changzhou Second Peoples Hospital
Priority to CN201910119468.5A priority Critical patent/CN109663180A/en
Publication of CN109663180A publication Critical patent/CN109663180A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
    • A61H15/02—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains adapted for simultaneous treatment with light, heat or drugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
    • A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/46—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for controlling depth of insertion
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Vascular Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Dermatology (AREA)
  • Inorganic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a kind of multifunctional cryptorrheic disease located injection means, including body frame, the both ends of body frame bottom surface are equipped with fixing seat, body frame is slidably connected with fixing seat, body frame is equipped with positioning device, positioning device is slidably connected with body frame, coarse adjustment slot up and down is fixed in positioning device, it is equipped in coarse adjustment slot and contradicts seat, seat is contradicted to be threadedly coupled with positioning device, contradict the fine tuning slot being fixed in seat up and down, adjuster is equipped in fine tuning slot, adjuster is threadedly coupled with seat is contradicted, syringe slot up and down is fixed in adjuster, buffer stopper is equipped in syringe slot, massage machine is equipped between fixing seat, massage machine is detachably connected with fixing seat；Massage machine is easy to operate laborsaving, medical staff's operating pressure is reduced, body frame, fixing seat, conflict seat and positioning device combine realization locating injection, and adjuster realizes the control to injection, it is coated with anti-slip layer on the buffer stopper of fixed syringe, guarantees fixed effect.

Description

A kind of multifunctional cryptorrheic disease located injection means
Technical field
The present invention relates to medical equipment technical fields, determine more specifically, it relates to which a kind of multifunctional cryptorrheic disease is used Position injection device.
Background technique
Endocrine system is one as composed by endocrine gland and the endocrine tissue being present in certain internal organs and cell Individual hydraulic regulating system.Its major function is releasing hormone under nervous system domination and on the basis of metabolism feedback, is adjusted The biological phenomenas such as growth, development, reproduction, metabolism, movement, morbid state, the aging of human body, maintain that human internal environment's is relatively stable. The generation of endocrine system disease is since endocrine gland and tissue occur caused by pathological change.Many diseases pass through metabolic disorder It can influence the structure and function of endocrine system.The common sympton of endocrine system disease has: acne, menoxenia, parahypnosis, essence Gods and spirits are normal, diet is abnormal, stomach is received abnormal etc., and the treatment of many diseases needs to rely on injection and treated.
Existing endocrine injection device can have an impact the effect of injection treatment without positioning function, existing For endocrine injection device for the operation in the piercing depth and injection process of syringe needle, control is very coarse, probationer nurse's experience If deficiency, it is possible to will cause malpractice, subcutaneous induration can be caused for a long time by injecting to the same position, influence drug Absorb, general way be it is carried out massage or hot compress, before the injection with required after injection medical staff carry out manually by It rubs, increases the operating pressure of medical staff.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of multifunctional cryptorrheic disease positioning Injection device solves the problems, such as above-mentioned one or more.
To achieve the above object, the present invention provides the following technical scheme that
A kind of multifunctional cryptorrheic disease located injection means, including body frame, the both ends of the body frame bottom surface are equipped with solid Reservation, the body frame are slidably connected with the fixing seat, and the body frame is slided along the fixing seat, and the body frame is equipped with fixed Position device, the positioning device are slidably connected with the body frame, and the positioning device is slided along the body frame, the positioning dress It is fixed with coarse adjustment slot up and down in setting, is equipped in the coarse adjustment slot and contradicts seat, the conflict seat and the positioning device It is threadedly coupled, it is described to contradict the fine tuning slot being fixed in seat up and down, adjuster, the essence are equipped in the fine tuning slot It adjusts device to be threadedly coupled with the conflict seat, syringe slot up and down, the fixing seat is fixed in the adjuster Between be equipped with massage machine, the massage machine is detachably connected with the fixing seat；
Mounting groove is fixed on the opposite medial surface of the fixing seat, the massage machine includes rotating bar, massage roller Wheel, swing handle, massage connecting rod, stop collar and limiting slot, the massage connecting rod are inserted into the mounting groove and are kept Level, the massage connecting rod are slided along the mounting groove, and the limiting slot is fixed at the inside of the massage connecting rod, institute It states stop collar to be fixed in the rotating bar, the rotating bar passes through the massage connecting rod and the stop collar is embedded in described In limiting slot, the rotating bar is fixedly connected close to described one end for contradicting seat with the massage roller, and the rotating bar is separate One end of the massage roller is fixedly connected with the swing handle, the fixing seat back side be fixed with it is several along the vertical direction The both ends of equally distributed eyelet, the massage connecting rod are fixed with hole location corresponding with the eye position in the fixing seat, institute It states massage connecting rod and the fixing seat and fixation is realized by bolt.
By using above-mentioned technical proposal, device is clamped in hospital bed two sides entirely through fixing seat, and massage machine is detachable, It will not influence the progress of injection, while massage machine can before the injection massage the injection site of patient with after injection, More laborsaving convenience alleviates the operating pressure of medical staff, slidable positioning device, the opposite body frame slided and fixing seat The positioning to injection site is realized, contradicts seat, adjuster is ensured to the control for injecting fine degree, such as the piercing of syringe needle Depth.
Further, the fixing seat is divided into the first fixing seat and the second fixing seat, and first fixing seat is set to described One end of body frame, second fixing seat are set to the one end of the body frame far from first fixing seat, first fixing seat It is all slidably connected with the body frame with second fixing seat, first fixing seat is equipped with the first screw rod, and described second is solid The first screw rod also is provided in reservation, the body frame lower end is fixed with the second screw rod, and second screw rod is symmetrically disposed in institute The both ends of body frame are stated, different first screw rods is cooperatively connected with corresponding second screw flight respectively.
By using above-mentioned technical proposal, the first screw rod and the second screw flight are trapezoidal thread, by screw-driven, And then realize the relative displacement of body frame and fixing seat, achieve the purpose that adjustment positioning.
Further, first fixing seat bottom is equipped with first base, first fixing seat and the first base Rotation connection, the first base are U-shaped structure, and the first base bottom is fixed with the first thread groove, first spiral shell The first support rod is equipped in groove, first support rod is threaded rod, and first support rod is threadedly engaged with first thread groove Connection；
Second fixing seat bottom is equipped with second base, and second fixing seat and second base rotation connect, The second base is U-shaped structure, and the second base bottom is fixed with the second thread groove, is equipped in second thread groove Second support rod, second support rod are threaded rod, and second support rod is threadedly engaged with second thread groove and connect.
By using above-mentioned technical proposal, hospital bed two sides are clamped in by U-shaped pedestal, realization device is whole to be consolidated, Support rod is driven by screw thread to adapt to the installation and removal of various sizes of hospital bed and device, pedestal and the rotatable side of fixing seat Just the progress installed.
Further, it is fixed with the tooth socket of perforation on the body frame, is equipped with gear, the gear and institute in the tooth socket Tooth socket matching is stated, the positioning device is fixed with connection frame far from the conflict seat on one side, and the gear is supported far from described Bull stick is fixed in the one side of touch base, the bull stick passes through the connection frame, and the one end of the bull stick far from the gear is solid Surely it is equipped with handle.
By using above-mentioned technical proposal, sliding by gear and tooth socket with dynamic positioning system on body frame, by turning The rotation of realization gear.
Further, all solid in first support rod, second support rod, the first base and the second base Surely it is equipped with anti-skid wearable pad.
By using above-mentioned technical proposal, anti-skid wearable pad can reinforce the positioning clamping effect of fixing seat
Further, the conflict seat bottom is fixed with silicagel pad.
By using above-mentioned technical proposal, comfort level when patient injection is can be improved in silicagel pad.
Further, the first binding groove of perforation is all fixed in first fixing seat and second fixing seat, First binding groove is thread groove, and the both ends of first binding groove are respectively equipped with the first fastening screw and the second fastening spiral shell Bar, first fastening screw and second fastening screw are all threadedly coupled with first binding groove.
By using above-mentioned technical proposal, the first screw rod is realized by the first fastening screw and the second fastening screw solid It is fixed, guarantee the fixation between body frame and fixing seat.
Further, the second binding groove of perforation is fixed on the body frame, second binding groove passes through the tooth Slot, second binding groove are thread groove, and the both ends of second binding groove are equipped with third fastening screw and the 4th fastening screw, The third fastening screw and the 4th fastening screw are all threadedly coupled with second binding groove.
By using above-mentioned technical proposal, the fixation to bull stick is realized by third fastening screw and the 4th fastening screw, And then guarantee the static of gear, it ensure that the fixation between body frame and positioning device.
Further, the syringe slot inner sidewall is equipped with several third binding grooves, and the third binding groove is screw thread Slot, the third binding groove is interior to be equipped with the 5th fastening screw, and the 5th fastening screw is threadedly coupled with the third binding groove, One end that 5th fastening screw is inserted into the syringe slot is fixed with buffer stopper.
By using above-mentioned technical proposal, pressure is applied to syringe by buffer stopper, guarantees the fixation of syringe, it is wholwe-hearted only to need Injection alleviates the operating pressure of medical staff.
Further, the positioning device, the conflict seat and the adjuster are transparent material.
By using above-mentioned technical proposal, medical staff is facilitated to observe ejection situation.
Further, one layer of anti-slip layer is coated on the buffer stopper, the preparation method of the anti-slip layer is:
Take following each component raw material for standby by weight: 9.8-11.4 parts of titanium dioxide, 2.6-2.8 parts of sodium bentonite, stone 2.3-2.7 parts of ink powder end, 3.2-3.8 parts of polyvinyl acetate emulsion, 4.7-5.1 parts of anaerobic adhesive, 11-14 parts of quaternary ammonium alkyl, hydroxyl 33.7-34.9 parts of acrylic resin, 7.1-7.3 parts of carbon black, 3.2-3.4 parts of silicon carbide, 1.5-1.9 parts of trbasic zinc phosphate, hydrogenated rosin 5.9-6.3 parts of glyceride.
S1, prefabricated organic solvent: by polyvinyl acetate emulsion, quaternary ammonium alkyl, Hydroxylated acrylic resin, hydrogenated rosin glycerol It is heated to 42-48 DEG C after ester mixing, after mixing evenly, keeps the temperature 10-18min；
S2, non-skid coating is prepared: by titanium dioxide, silicon carbide, trbasic zinc phosphate, anaerobic adhesive, carbon black, powdered graphite, Na-bentonite Soil is added sequentially in the organic solvent in S1, after mixing evenly, keeps the temperature 15-20min after temperature is heated to 54 DEG C；
S3, processing: carrying out ultrasonication 0.5-1h for non-skid coating made from S2, be then cooled to 35-40 DEG C, in 1000r/min revolving speed stirs 16min, then cools to room temperature；
S4, coating: the method for the non-skid coating electrostatic coating that S3 is obtained is coated uniformly on to the surface of buffer stopper；
S5, drying: the buffer stopper that S4 is obtained, which is placed at shady and cool ventilation, carries out drying 3-4h.
By using above-mentioned technical proposal, one layer of anti-slip layer is coated on buffer stopper, reinforces the fixation to syringe, prevents from beating The sliding rotation for causing syringe, malpractice caused by avoiding therefore ensure that the safety and stability of injection.
Detailed description of the invention
Fig. 1 is a kind of overall structure stereogram of embodiment provided by the invention；
Fig. 2 is a kind of overall structure backsight cut-away illustration of embodiment provided by the invention；
Fig. 3 is that a kind of body frame of embodiment, positioning device, conflict seat and adjuster explosion provided by the invention are shown It is intended to；
Fig. 4 is a kind of overall structure left view cut-away illustration of embodiment provided by the invention；
In figure: 1, body frame；11, the second screw rod；12, tooth socket；2, fixing seat；21, massage machine；211, mounting groove；212, Rotating bar；213, massage roller；214, swing handle；215, connecting rod is massaged；216, stop collar；217, limiting slot；22, first Fixing seat；221, first base；222, the first thread groove；223, the first support rod；23, the second fixing seat；231, second base； 232, the second thread groove；233, the second support rod；24, the first screw rod；3, positioning device；31, coarse adjustment slot；32, connection frame；33, tooth Wheel；34, bull stick；35, handle；4, seat is contradicted；41, fine tuning slot；42, silicagel pad；5, adjuster；51, syringe slot；511, third Binding groove；512, the 5th fastening screw；513, buffer stopper；6, anti-skid wearable pad；7, the first binding groove；71, the first fastening screw； 72, the second fastening screw；8, the second binding groove；81, third fastening screw；82, the 4th fastening screw.
Specific embodiment
Embodiment 1:
Below in conjunction with attached drawing 1-4, invention is further described in detail.
A kind of multifunctional cryptorrheic disease located injection means, as shown in Figure 1, Figure 2 and Figure 3, including body frame 1, it is described The both ends of 1 bottom surface of body frame are equipped with fixing seat 2, and the body frame 1 is slidably connected with the fixing seat 2, and the body frame 1 is along described solid Reservation 2 is slided, and the body frame 1 is equipped with positioning device 3, and the positioning device 3 is slidably connected with the body frame 1, the positioning Device 3 is slided along the body frame 1, and coarse adjustment slot 31 up and down, the coarse adjustment slot 31 are fixed in the positioning device 3 Interior be equipped with contradicts seat 4, and the conflict seat 4 is threadedly coupled with the positioning device 3, is fixed in the conflict seat 4 and passes through up and down Logical fine tuning slot 41, the fine tuning slot 41 is interior to be equipped with adjuster 5, and the adjuster 5 is threadedly coupled with the conflict seat 4, It is fixed with syringe slot 51 up and down in the adjuster 5, massage machine 21 is equipped between the fixing seat 2, it is described Massage machine 21 is detachably connected with the fixing seat 2；
As shown in Figure 1, Figure 2 and Figure 4, it is fixed with mounting groove 211 on the opposite medial surface of the fixing seat 2, it is described to press The device 21 that rubs includes rotating bar 212, massage roller 213, swing handle 214, massage connecting rod 215, stop collar 216 and limit Slot 217, the massage connecting rod 215 is inserted into the mounting groove 211 and holding is horizontal, and the massage connecting rod 215 is along described Mounting groove 211 slides, and the limiting slot 217 is fixed at the inside of the massage connecting rod 215, and the stop collar 216 is fixed In the rotating bar 212, the rotating bar 212 passes through the massage connecting rod 215 and the stop collar 216 is embedded in described In limiting slot 217, the rotating bar 212 is fixedly connected close to described one end for contradicting seat 4 with the massage roller 213, described The one end of rotating bar 212 far from the massage roller 213 is fixedly connected with the swing handle 214, and 2 back side of fixing seat is solid Surely several five be distributed along the vertical direction eyelets are equipped with, the both ends of the massage connecting rod 215 are fixed with and the fixation Corresponding two hole locations of eye position size on seat 2, the massage connecting rod 215, which is realized with the fixing seat 2 by bolt, fixes.
As depicted in figs. 1 and 2, the fixing seat 2 is divided fixes for the first fixing seat 22 and the second fixing seat 23, described first Seat 22 is set to one end of the body frame 1, and second fixing seat 23 is set to one of the body frame 1 far from first fixing seat 22 End, first fixing seat 22 and second fixing seat 23 are all slidably connected with the body frame 1, in first fixing seat 22 Equipped with the first screw rod 24, the first screw rod 24 also is provided in second fixing seat 23,1 lower end of body frame is fixed with the second spiral shell Bar 11, second screw rod 11 are symmetrically disposed in the both ends of the body frame 1, different first screw rods 24 respectively with it is corresponding Second screw rod 11 be threadedly engaged connection.
As shown in Figure 1,22 bottom of the first fixing seat be equipped with first base 221, first fixing seat 22 with it is described The rotation connection of first base 221, the first base 221 is U-shaped structure, and 221 bottom of first base is fixed with first Thread groove 222, is equipped with the first support rod 223 in first thread groove 222, and first support rod 223 is threaded rod, and described first Support rod 223 is threadedly engaged with first thread groove 222 and connect；
As shown in Figure 1,23 bottom of the second fixing seat be equipped with second base 231, second fixing seat 23 with it is described The rotation connection of second base 231, the second base 231 is U-shaped structure, and 231 bottom of second base is fixed with second Thread groove 232, is equipped with the second support rod 233 in second thread groove 232, and second support rod 233 is threaded rod, and described second Support rod 233 is threadedly engaged with second thread groove 232 and connect.
As shown in Figure 1, Figure 2 and Figure 4, it is fixed with the tooth socket 12 of perforation on the body frame 1, is equipped with tooth in the tooth socket 12 Wheel 33, the gear 33 is matched with the tooth socket 12, and the positioning device 3 is far from the company of being fixed on one side for contradicting seat 4 Frame 32 is connect, for the gear 33 far from bull stick 34 is fixed in the one side for contradicting seat 4, the bull stick 34 passes through the connection Frame 32, the bull stick 34 are fixed with handle 35 far from one end of the gear 33.
As shown in Figure 1, Figure 2 and Figure 4, perforation is all fixed in first fixing seat 22 and second fixing seat 23 The first binding groove 7, first binding groove 7 be thread groove, the both ends of first binding groove 7 are respectively equipped with the first fastening spiral shell Bar 71 and the second fastening screw 72, first fastening screw 71 and second fastening screw 72 all with first binding groove 7 are threadedly coupled.
As depicted in figs. 1 and 2, the second binding groove 8 of perforation is fixed on the body frame 1, second binding groove 8 is worn The tooth socket 12 is crossed, second binding groove 8 is thread groove, and the both ends of second binding groove 8 are equipped with third fastening screw 81 With the 4th fastening screw 82, the third fastening screw 81 and the 4th fastening screw 82 all with 8 spiral shell of the second binding groove Line connection.
As shown in figure 3, setting on 51 inner sidewall of syringe slot, there are four circumferential third binding grooves 511, described Third binding groove 511 is thread groove, is equipped with the 5th fastening screw 512, the 5th fastening screw in the third binding groove 511 512 are threadedly coupled with the third binding groove 511, and it is solid that the 5th fastening screw 512 is inserted into one end in the syringe slot 51 Surely it is equipped with buffer stopper 513.
As shown in figures 1 and 3, the positioning device 3, the conflict seat 4 and the adjuster 5 are transparent material Matter, it is all fixed in first support rod 223, second support rod 233, the first base 221 and the second base 231 Equipped with anti-skid wearable pad 6,4 bottom of conflict seat is fixed with silicagel pad 42.
First base 221 and second base 231: being threaded to that U-shaped opening is outside by working principle, and device is moved to hospital bed U-shaped opening is rotated to opposite, screws the first support rod 223 and the second support rod 233, device is fixed on hospital bed two by suitable position Side, rotation handle 35 remove positioning device 3, and one end elder generation oblique cutting is entered mounting groove 211 along certain angle by massage connecting rod 215, Then the other end is also inserted into the mounting groove 211 of another side, after massage 215 level of connecting rod is ajusted, slide up and down massage and connect Extension bar 215 adjusts the position of massage roller 213, after the completion of adjustment, is directed at hole location and eye position, screwing bolts fix fixing seat 2 With massage machine 21, swing handle 214 is shaken, injection position is massaged by massage roller 213, after the completion of massage, is torn open Lower massage machine 21, rotate the first screw rod 24, adjust body frame 1 and fixing seat 2 position, latter hand from start to finish fix First screw rod 24, another hand first screws the first fastening screw 71 until the first fastening screw 71 is tightly against the first screw rod 24, The second fastening screw 72 is screwed again, the first screw rod 24 is fixed, and body frame 1 and fixing seat 2 are opposing stationary at this time, and adjustment is fixed later The position of position device 3 rotates positioning device 3 on body frame 1 along tooth socket 12 by rotating handle 35, after the completion of adjustment, as It fixes as the first screw rod 24, bull stick 34 is fixed by third fastening screw 81 and the 4th fastening screw 82, at this time positioning device 3 It is opposing stationary with body frame 1, it is rotated down along coarse adjustment slot 31 and contradicts seat 4, seat 4 will be contradicted and be against on human body, syringe needle as needed The depth of piercing is fixed after contradicting seat 4, suitably rotates fine tuning device upwards along fine tuning slot 41, injection needle tube is inserted into needle Cylinder slot 51, syringe needle passes through pin hole, while screwing two opposite the 5th fastening screws 512, until buffer stopper 513 is tightly against needle On cylinder and guarantee that the angle of syringe is suitable, is screwing other two remaining 5th fastening screw 512, observing the position of each component It sets, carries out corresponding fine tuning, after having adjusted completely, patient is injected, the first support rod 223 and second will be removed after the completion of injection Component reduction outside support rod 233, after waiting for a period of time, it is ensured that after not influencing on patient, it is reinstalled massage machine 21, it is right Injection site is massaged, and finally removes device from hospital bed.
In conclusion the invention has the following advantages:
1, the relative movement that fixing seat 2 and body frame 1 are realized by the first screw rod 24 and the second screw rod 11, by gear 33 and Tooth socket 12 realizes that the relative movement of positioning device 3 and body frame 1, realization more accurately position；
2, by massage machine 21, patient is massaged using more laborsaving convenient mode, was both prevented to a certain extent Only subcutaneous induration also mitigates the operating pressure of staff, and massage machine 21 is detachable, will not influence the progress of injection；
3, it by the threaded connection between positioning device 3, conflict seat 4, adjuster 5, realizes and depth is pierced into syringe needle The contact with carrying out according to patient's figure is adjusted, it is simpler, even caused by probationer nurse also can be reduced because of experience deficiency Fault；
4, reinforcement fixation, more safety and stability are carried out to movable component, avoids the hair of malpractice to a certain extent It is raw.
Embodiment 2
Difference from example 1 is that one layer of anti-slip layer is coated on the buffer stopper 513, the anti-slip layer Preparation method is:
Take following each component raw material for standby by weight: 9.8 parts of titanium dioxide, 2.6 parts of sodium bentonite, powdered graphite 2.3 Part, 3.2 parts of polyvinyl acetate emulsion, 4.7 parts of anaerobic adhesive, 11 parts of quaternary ammonium alkyl, 33.7 parts of Hydroxylated acrylic resin, carbon black 7.1 Part, 3.2 parts of silicon carbide, 1.5 parts of trbasic zinc phosphate, 5.9 parts of hydrogenated rosin glyceride.
S1, prefabricated organic solvent: by polyvinyl acetate emulsion, quaternary ammonium alkyl, Hydroxylated acrylic resin, hydrogenated rosin glycerol 45 DEG C are heated to after ester mixing, after mixing evenly, keeps the temperature 15min；
S2, non-skid coating is prepared: by titanium dioxide, silicon carbide, trbasic zinc phosphate, anaerobic adhesive, carbon black, powdered graphite, Na-bentonite Soil is added sequentially in the organic solvent in S1, after mixing evenly, keeps the temperature 20min after temperature is heated to 54 DEG C；
S3, processing: carrying out ultrasonication 0.5-1h for non-skid coating made from S2, be then cooled to 35 DEG C, in 1000r/min revolving speed stirs 16min, then cools to room temperature；
S4, coating: the method for the non-skid coating electrostatic coating that S3 is obtained is coated uniformly on to the surface of buffer stopper 513；
S5, drying: the buffer stopper 513 that S4 is obtained is placed at shady and cool ventilation and carries out drying 4h.
In the present embodiment, one layer of anti-slip layer is coated on buffer stopper 513, reinforces the fixation to syringe, is prevented from skidding and be caused The rotation of syringe, malpractice caused by avoiding therefore, ensure that the safety and stability of injection.
Embodiment 3
The difference is that, the specific gravity of formula is modified with embodiment 2, modified formula is:
Take following each component raw material for standby by weight: 11.4 parts of titanium dioxide, 2.8 parts of sodium bentonite, powdered graphite 2.7 Part, 3.8 parts of polyvinyl acetate emulsion, 5.1 parts of anaerobic adhesive, 14 parts of quaternary ammonium alkyl, 34.9 parts of Hydroxylated acrylic resin, carbon black 7.3 Part, 3.4 parts of silicon carbide, 1.9 parts of trbasic zinc phosphate, 6.3 parts of hydrogenated rosin glyceride.
S1, prefabricated organic solvent: by polyvinyl acetate emulsion, quaternary ammonium alkyl, Hydroxylated acrylic resin, hydrogenated rosin glycerol 45 DEG C are heated to after ester mixing, after mixing evenly, keeps the temperature 15min；
S2, non-skid coating is prepared: by titanium dioxide, silicon carbide, trbasic zinc phosphate, anaerobic adhesive, carbon black, powdered graphite, Na-bentonite Soil is added sequentially in the organic solvent in S1, after mixing evenly, keeps the temperature 20min after temperature is heated to 54 DEG C；
S3, processing: carrying out ultrasonication 0.5-1h for non-skid coating made from S2, be then cooled to 35 DEG C, in 1000r/min revolving speed stirs 16min, then cools to room temperature；
S4, coating: the method for the non-skid coating electrostatic coating that S3 is obtained is coated uniformly on to the surface of buffer stopper 513；
S5, drying: the buffer stopper 513 that S4 is obtained is placed at shady and cool ventilation and carries out drying 4h.
In the present embodiment, modifies to formula specific gravity, give over to and compare, to obtain optimization formula.
Embodiment 4
The difference is that, the specific gravity of formula is modified with embodiment 2, modified formula is:
Take following each component raw material for standby by weight: 10.6 parts of titanium dioxide, 2.7 parts of sodium bentonite, powdered graphite 2.5 Part, 3.5 parts of polyvinyl acetate emulsion, 4.9 parts of anaerobic adhesive, 12.5 parts of quaternary ammonium alkyl, 34.3 parts of Hydroxylated acrylic resin, carbon black 7.2 parts, 3.3 parts of silicon carbide, 1.7 parts of trbasic zinc phosphate, 6.1 parts of hydrogenated rosin glyceride.
S1, prefabricated organic solvent: by polyvinyl acetate emulsion, quaternary ammonium alkyl, Hydroxylated acrylic resin, hydrogenated rosin glycerol 45 DEG C are heated to after ester mixing, after mixing evenly, keeps the temperature 15min；
S2, non-skid coating is prepared: by titanium dioxide, silicon carbide, trbasic zinc phosphate, anaerobic adhesive, carbon black, powdered graphite, Na-bentonite Soil is added sequentially in the organic solvent in S1, after mixing evenly, keeps the temperature 20min after temperature is heated to 54 DEG C；
S3, processing: carrying out ultrasonication 0.5-1h for non-skid coating made from S2, be then cooled to 35 DEG C, in 1000r/min revolving speed stirs 16min, then cools to room temperature；
S4, coating: the method for the non-skid coating electrostatic coating that S3 is obtained is coated uniformly on to the surface of buffer stopper 513；
S5, drying: the buffer stopper 513 that S4 is obtained is placed at shady and cool ventilation and carries out drying 4h.
In the present embodiment, modifies to formula specific gravity, give over to and compare, to obtain optimization formula.
Anti-skidding intensity is carried out to the buffer stopper 513 for the non-skid coating for being coated with different formulations specific gravity in embodiment 1,2,3,4 With the test of peel strength, for the ease of comparing, the data of all embodiments are normalized based on the data of embodiment 1.
Anti-skidding intensity Peel strength
Embodiment 1 100% 100%
Embodiment 2 168% 141%
Embodiment 3 171% 140%
Embodiment 4 175% 141%
In injection process, the mistake of a tiny bit all will lead to irremediable consequence, and one layer is coated on buffer stopper 513 Anti-slip layer reinforces the fixation to syringe, prevents from skidding and causes the rotation of syringe, malpractice caused by avoiding therefore ensure that The safety and stability of injection.As can be seen from the table, after coating non-skid coating, the anti-skidding intensity of buffer stopper 513 has obviously Enhancing, and 4 positive effect of embodiment is best, so the optimal composition of raw materials determined is: 10.6 parts of titanium dioxide, sodium bentonite 2.7 parts, 2.5 parts of powdered graphite, 3.5 parts of polyvinyl acetate emulsion, 4.9 parts of anaerobic adhesive, 12.5 parts of quaternary ammonium alkyl, hydroxy acrylic acid 34.3 parts of resin, 7.2 parts of carbon black, 3.3 parts of silicon carbide, 1.7 parts of trbasic zinc phosphate, 6.1 parts of hydrogenated rosin glyceride.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

Claims (10)

1. a kind of multifunctional cryptorrheic disease located injection means, including body frame (1), it is characterised in that: body frame (1) bottom The both ends in face are equipped with fixing seat (2), and the body frame (1) is slidably connected with the fixing seat (2), and the body frame (1) is along described Fixing seat (2) sliding, the body frame (1) are equipped with positioning device (3), and the positioning device (3) and the body frame (1) sliding connect It connects, the positioning device (3) is slided along the body frame (1), and coarse adjustment up and down is fixed in the positioning device (3) Slot (31), interior be equipped with of the coarse adjustment slot (31) contradict seat (4), and the conflict seat (4) is threadedly coupled with the positioning device (3), It is described to contradict the fine tuning slot (41) being fixed in seat (4) up and down, adjuster (5) are equipped in the fine tuning slot (41), The adjuster (5) is threadedly coupled with the conflict seat (4), and needle up and down is fixed in the adjuster (5) Cylinder slot (51) is equipped with massage machine (21) between the fixing seat (2), and the massage machine (21) and the fixing seat (2) can Dismantling connection；
It is fixed with mounting groove (211) on the opposite medial surface of the fixing seat (2), the massage machine (21) includes rotating bar (212), massage roller (213), swing handle (214), massage connecting rod (215), stop collar (216) and limiting slot (217), The massage connecting rod (215) is inserted into the mounting groove (211) and keeps horizontal, and the massage connecting rod (215) is along described Mounting groove (211) sliding, the limiting slot (217) are fixed at the inside of massage connecting rod (215), the stop collar (216) it is fixed on the rotating bar (212), the rotating bar (212) passes through the massage connecting rod (215) and the limit Position ring (216) in the limiting slot (217), press close to described one end for contradicting seat (4) with described by the rotating bar (212) The idler wheel (213) that rubs is fixedly connected, the rotating bar (212) one end and the swing handle far from the massage roller (213) (214) it is fixedly connected, fixing seat (2) back side is fixed with several eyelets equally distributed along the vertical direction, the massage The both ends of connecting rod (215) are fixed with hole location corresponding with the eye position on the fixing seat (2), the massage connecting rod (215) it is realized and is fixed by bolt with the fixing seat (2).
2. a kind of multifunctional cryptorrheic disease located injection means according to claim 1, it is characterised in that: described solid Reservation (2) is divided into the first fixing seat (22) and the second fixing seat (23), and first fixing seat (22) is set to the body frame (1) One end, second fixing seat (23) are set to the one end of the body frame (1) far from first fixing seat (22), and described first is solid Reservation (22) and second fixing seat (23) are all slidably connected with the body frame (1), and first fixing seat (22) is equipped with First screw rod (24) also is provided with the first screw rod (24) on second fixing seat (23), and body frame (1) lower end is fixed with Two screw rods (11), second screw rod (11) are symmetrically disposed in the both ends of the body frame (1), different first screw rods (24) connection is threadedly engaged with corresponding second screw rod (11) respectively.
3. a kind of multifunctional cryptorrheic disease located injection means according to claim 2, it is characterised in that: described One fixing seat (22) bottom is equipped with first base (221), and first fixing seat (22) and the first base (221) rotation connect It connects, the first base (221) is U-shaped structure, and first base (221) bottom is fixed with the first thread groove (222), institute It states in the first thread groove (222) and is equipped with the first support rod (223), first support rod (223) is threaded rod, first support rod (223) it is threadedly engaged and connect with first thread groove (222)；
Second fixing seat (23) bottom is equipped with second base (231), second fixing seat (23) and the second base (231) rotation connection, the second base (231) are U-shaped structure, and second base (231) bottom is fixed with the second spiral shell Groove (232), second thread groove (232) is interior to be equipped with the second support rod (233), and second support rod (233) is threaded rod, institute It states the second support rod (233) and is threadedly engaged with second thread groove (232) and is connect.
4. a kind of multifunctional cryptorrheic disease located injection means according to claim 3, it is characterised in that: the master It is fixed with the tooth socket (12) of perforation on frame (1), is equipped with gear (33) in the tooth socket (12), the gear (33) and the tooth Slot (12) matching, the positioning device (3) are fixed with connection frame (32), the gear far from conflict seat (4) on one side (33) far from being fixed with bull stick (34) in the one side for contradicting seat (4), the bull stick (34) passes through the connection frame (32), The bull stick (34) is fixed with handle (35) far from the one end of the gear (33).
5. a kind of multifunctional cryptorrheic disease located injection means according to claim 4, it is characterised in that: described It is all fixed in one support rod (223), second support rod (233), the first base (221) and the second base (231) Equipped with anti-skid wearable pad (6).
6. a kind of multifunctional cryptorrheic disease located injection means according to claim 5, it is characterised in that: described to support Touch base (4) bottom is fixed with silicagel pad (42).
7. a kind of multifunctional cryptorrheic disease located injection means according to claim 6, it is characterised in that: described The first binding groove (7) of perforation, first fastening are all fixed in one fixing seat (22) and second fixing seat (23) Slot (7) is thread groove, and the both ends of first binding groove (7) are respectively equipped with the first fastening screw (71) and the second fastening screw (72), first fastening screw (71) and second fastening screw (72) are all threadedly coupled with first binding groove (7).
8. a kind of multifunctional cryptorrheic disease located injection means according to claim 7, it is characterised in that: the master The second binding groove (8) of perforation is fixed on frame (1), second binding groove (8) passes through the tooth socket (12), and described second Binding groove (8) is thread groove, and the both ends of second binding groove (8) are equipped with third fastening screw (81) and the 4th fastening screw (82), the third fastening screw (81) and the 4th fastening screw (82) are all threadedly coupled with second binding groove (8).
9. a kind of multifunctional cryptorrheic disease located injection means according to claim 8, it is characterised in that: the needle Cylinder slot (51) inner sidewall is equipped with several third binding grooves (511), and the third binding groove (511) is thread groove, and described the The 5th fastening screw (512), the 5th fastening screw (512) and the third binding groove are equipped in three binding grooves (511) (511) it is threadedly coupled, one end that the 5th fastening screw (512) is inserted into the syringe slot (51) is fixed with buffer stopper (513)。
10. a kind of multifunctional cryptorrheic disease located injection means according to claim 9, it is characterised in that: described Positioning device (3), the conflict seat (4) and the adjuster (5) are transparent material.
CN201910119468.5A 2019-02-18 2019-02-18 A kind of multifunctional cryptorrheic disease located injection means Withdrawn CN109663180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910119468.5A CN109663180A (en) 2019-02-18 2019-02-18 A kind of multifunctional cryptorrheic disease located injection means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910119468.5A CN109663180A (en) 2019-02-18 2019-02-18 A kind of multifunctional cryptorrheic disease located injection means

Publications (1)

Publication Number Publication Date
CN109663180A true CN109663180A (en) 2019-04-23

Family

ID=66151629

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910119468.5A Withdrawn CN109663180A (en) 2019-02-18 2019-02-18 A kind of multifunctional cryptorrheic disease located injection means

Country Status (1)

Country Link
CN (1) CN109663180A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110141729A (en) * 2019-06-04 2019-08-20 李金萍 Injection device is used in a kind of nursing of injection room
CN112220639A (en) * 2020-10-27 2021-01-15 范宗荣 Calculus removing device for urology surgery
CN112402239A (en) * 2020-12-01 2021-02-26 李海 Moxa that acupuncture was used smokes device
CN114733035A (en) * 2022-04-11 2022-07-12 苏州市立医院 Adjustable needle inserting device for anesthesia department and adjusting method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110141729A (en) * 2019-06-04 2019-08-20 李金萍 Injection device is used in a kind of nursing of injection room
CN110141729B (en) * 2019-06-04 2021-09-07 李金萍 Injection device is used in injection room nursing
CN112220639A (en) * 2020-10-27 2021-01-15 范宗荣 Calculus removing device for urology surgery
CN112402239A (en) * 2020-12-01 2021-02-26 李海 Moxa that acupuncture was used smokes device
CN114733035A (en) * 2022-04-11 2022-07-12 苏州市立医院 Adjustable needle inserting device for anesthesia department and adjusting method thereof
CN114733035B (en) * 2022-04-11 2022-11-08 苏州市立医院 Adjustable needle inserting device for anesthesia department and adjusting method thereof

Similar Documents

Publication Publication Date Title
CN109663180A (en) A kind of multifunctional cryptorrheic disease located injection means
Canavero et al. Extradural motor cortex stimulation for advanced Parkinson disease: report of two cases
US8548569B2 (en) Head fixation assemblies for medical procedures
US8425534B2 (en) Cam lock burr hole plug for securing stimulation lead
US8043304B2 (en) Cam lock burr hole plug for securing retainer/plug base
CN209695989U (en) Multifunctional cryptorrheic disease located injection means
Kobayashi et al. Long-term results of gamma knife surgery for growth hormone—producing pituitary adenoma: is the disease difficult to cure?
EP3723641B1 (en) Deformable body and combination of such deformable body and a surgical screw element
CN105188845B (en) Close-range treatment seed source is inserted into and fixed system
CN208770267U (en) CT Needle localization bed
EP2523599A1 (en) Head fixation assemblies for medical procedures
Favre et al. Anchoring of deep brain stimulation electrodes using a microplate
CN110811779B (en) Medical puncture needle fixing device for tumor intervention
Schreglmann et al. Functional lesional neurosurgery for tremor: back to the future?
CN210044141U (en) Arm supporting device for neurosurgery operation
Porter et al. Altered cerebellar and prefrontal cortex function in rhesus monkeys that previously self-administered cocaine
Sturman et al. Effects of five years of chronic STN stimulation on muscle strength and movement speed
Yamamoto et al. Dual-floor burr hole adjusted to burr hole ring and cap for implantation of stimulation electrodes
CN219049094U (en) Tumor thermal therapeutic instrument
CN208511481U (en) A kind of nerve perception recovery device
CN220213096U (en) Craniocerebral operation headstock for neurosurgery
CN215024742U (en) Developing tube with positioning function
Patil et al. Direct identification of ventrointermediate nucleus of the thalamus on magnetic resonance and computed tomography images
CN205667575U (en) A kind of fracture of shaft of femur half pin auxiliary reset device
CN211326488U (en) Operating table convenient for angle adjustment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190423