CN102776583B - Portable handheld electrostatic spinning device - Google Patents

Portable handheld electrostatic spinning device Download PDF

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Publication number
CN102776583B
CN102776583B CN201210229010.3A CN201210229010A CN102776583B CN 102776583 B CN102776583 B CN 102776583B CN 201210229010 A CN201210229010 A CN 201210229010A CN 102776583 B CN102776583 B CN 102776583B
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voltage
stainless steel
spinning
inverse transform
syringe needle
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CN102776583A (en
Inventor
龙云泽
刘术亮
刘抗抗
李禄东
徐世聪
孙彬
张红娣
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Qingdao Zhongke Kell Technology Co., Ltd.
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Qingdao University
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Abstract

The invention belongs to the technical field of electrostatic spinning and relates to a portable handheld electrostatic spinning device. The top of a pushing rod of a medical syringe is provided with a pressure welding switch, a metal foil is arranged on the top side fixedly, a spinning solution is arranged in a front end inner cavity of the medical syringe, a square battery and a high-voltage direct-current inverter are arranged fixedly on the side wall of the syringe in a butt joint mode, and a stainless steel needle head which is used for spinning is arranged at the bottom end of the syringe in an inserting mode. A conventional medical syringe needle head structure and the syringe are combined and matched, the spinning solution is stored in the inner cavity of the medical syringe which is provided with the stainless steel needle head, the square battery provides a power supply for the high-voltage direct-current inverter, when the direct current voltage is inverted, the voltage in the unit of kilovolt, the positive pole of the high-voltage direct-current inverter is communicated electrically with the stainless steel needle head, and the negative pole of the high-voltage direct-current inverter is communicated electrically with the metal foils. The device is simple in overall structure, is convenient to carry, use and operate, applicable to occasions such as outdoor teaching and wounded rescue and high in economical value.

Description

A kind of portable hand-held electrostatic spinning apparatus
Technical field:
The invention belongs to electrostatic spinning technique field, relate to a kind of cheap, spinning stable, volume is little, quality is light and the reliable portable hand-held electrostatic spinning apparatus of practicality.
Background technology:
At present, the premium properties of superfine fibre makes it have broad prospect of application at aspects such as filter, textile garment, biomedicine, nano electron device, sensor, optics, energy collection/storage/conversion device and nano composite materials, therefore, relevant scientific research personnel has carried out extensive and deep research to superfine fibre manufacture method; The method of existing manufacture superfine fibre mainly contains the direct nanofiber etc. of manufacturing in fabric of island-in-sea type bi-component blend spinning method, molecular spinneret, method of electrostatic spinning and polymerization process.General traditional spinning process is difficult to spin the fiber that diameter is less than 500 nanometers, and method of electrostatic spinning not only can be prepared the I of diameter and reach the spinning fibre of several nanometers, simultaneously can also large-scale mass production, meet the condition of suitability for industrialized production and the demand in market.Common electrostatic spinning apparatus is mainly by high voltage source, form with spinning solution container and fiber collecting plate three parts of spinning head.The principle of electrostatic spinning is: high voltage source produces the high voltage of 8-30 kilovolt, spinning solution penetrates from spinning nozzle under electrostatic field, then charged jet be stretched refinement or occur splitting, become micro nanometer fiber, solvent evaporates simultaneously, the further refinement of fiber is solidified, and is finally deposited on collecting board.More than ten years recently, increasing scientific research personnel throws oneself in the middle of the research of electrostatic spinning, and electrostatic spinning technique is developed rapidly.The development of novel electrostatic device for spinning in recent years presents two kinds of trend: the one, and for the large-scale electrostatic spinning apparatus that industrialization demand is extensive, low cost is prepared fiber, the spider web electrostatic spinning machine that for example company of Czech produces; The 2nd, for the portable small-sized electrostatic spinning machine of the demands (for example, for external Wound care, Cosmetic pack, Demonstrating etc.) such as life, medical treatment, teaching.Conventional electrostatic spinning apparatus is all the scientific research for laboratory substantially at present, the high voltage source that electric spinning equipment uses generally all adopts commercially available HVDC or AC power, has that price is more expensive, weight is large, in the situation that there is no externally fed, (for example having a power failure or there is no outdoor, field, the remote mountain area etc. of supply of electric power) shortcoming such as to use.Electrostatic spinning apparatus for scientific research there is not yet portable electric spinning equipment, in order to address this problem, Chinese patent (application number: 201110255225) disclose a kind of rotating circular disk electrification by induction formula electrostatic spinning apparatus, although this device has been broken away from the restriction of additional power source, having a power failure, can normally work while thering is no commercial power supply, and there is improvement in volume, weight, but still having many deficiencies aspect the portability of the controllability of electrospinning fibre pattern, device, practicality, only can be used as a kind of electrostatic spinning experimental demonstration device; Chinese patent (application number: 201110255208) also disclose a kind of power-type micro electrostatic spinning device with piezoelectric ceramics, utilize piezoelectric ceramics to produce the electrostatic spinning apparatus that volume is little, there is the advantages such as volume is little, quality is light, cost is low and be easy to carry, but the piezoelectric ceramics power supply that this device uses can only produce instantaneous pressure, spread of voltage, spinning distance shorter (1-2 centimetre), fiber yield is lower, poor in Practical Performance, only can be used as teaching demonstration device.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, seek to design that a kind of spinning is stable, the reliable portable hand-held electrostatic spinning apparatus of practicality, 220 volts of high-voltage DC power supplies of powering that replace conventional electrostatic device for spinning to use with the small-sized DC high-voltage inverter of Voltaic battery power supply, cheap, simple to operate, spinning voltage is stable, and the movement that is easy to carry, can carry out spinning operation whenever and wherever possible.
To achieve these goals, agent structure of the present invention comprises metal forming, crimping switch, syringe, rectangular cell, high-voltage d. c inverse transform device, high-voltage d. c inverse transform device negative pole, spinning solution, high-voltage d. c inverse transform device positive pole and stainless steel syringe needle; The push rod top of conventional injector for medical purpose is shaped with crimping switch, in the top side face of flat crimping switch, be fixedly shaped with metal forming, in the front end inner chamber of conventional medical syringe, be equipped with spinning solution, on the sidewall of syringe, dock is fixedly shaped with rectangular cell and high-voltage d. c inverse transform device, on the bottom of syringe, plug-in type is shaped with the stainless steel syringe needle for spraying silk, and stainless steel syringe needle adopts conventional medical injecting head structure supporting with combinations of syringe; Assemble in the injector for medical purpose inner chamber that is shaped with stainless steel syringe needle and deposit spinning solution; Rectangular cell provides power supply for high-voltage d. c inverse transform device, and after DC voltage inversion, voltage reaches several KV levels, and crimping switch is for controlling the switch of power supply, switch connection in the time being subject to outside light pressure, and after pressure disappears, switch disconnects; High-voltage d. c inverse transform device positive pole and stainless steel syringe needle electric connection, high-voltage d. c inverse transform device negative pole and metal forming electric connection.
When the present invention uses, first grasp device, device is placed in to the collector 5-10 centimeters that distance arranges, can point to collector by any direction, collect the very nonisulated property such as metal forming or human body skin material; Spinning solution is injected to the inner chamber of syringe, pin the crimping switch at top with thumb, the pressure of thumb promotes spinning solution in needle tubing and slowly flows out, connect crimping switch simultaneously, the high voltage transfer that high-voltage d. c inverse transform device produces is to stainless steel syringe needle, make stainless steel syringe needle point place bring the high pressure of 3-5 kilovolt, and be deposited on collector from syringe needle ejection nanofiber; After treating spinning, hand is unclamped, pressure disappears, and crimping switch disconnects, and spinning solution stops flowing out, and spinning finishes.
The present invention compared with prior art, the one, utilize cheap small-sized DC high-voltage inverter to substitute the DC high-voltage power supply of traditional price costliness, cost of manufacture reduces; The 2nd, utilize 9 volts of rectangular cell power supplies, reduce user's the feared state of mind, although can produce the high pressure up to thousands of volts, electric current is very little, uses safer; The 3rd, volume and weight is little, is convenient to carry, and uses convenient; The 4th, for Demonstrating or student's Making Innovation Experiments, spinning is stable, safe and reliable; The 5th, aspect medical, by selecting suitable precursor solution, electrostatic spinning technique is applied in the preparation of wound dressing, can protect wound timely, accelerated in wounds blood clotting and healing, simple to operate, convenient and practical.
Brief description of the drawings:
Fig. 1 is agent structure principle schematic of the present invention.
Fig. 2 is the nanofiber schematic diagram of the present invention's electrostatic spinning on human body skin.
Fig. 3 is polymer P VP nanofiber optical microscope photograph prepared by the present invention.
Detailed description of the invention:
Also be described further by reference to the accompanying drawings below by embodiment.
Embodiment:
The present embodiment is from Portable practical angle, design cheap, volume is little, quality is light, spinning is stable, fiber yield is higher, the portable hand-held electrostatic spinning apparatus that can carry out spinning whenever and wherever possible, its agent structure comprises metal forming 1, crimping switch 2, syringe 3, rectangular cell 4, high-voltage d. c inverse transform device 5, high-voltage d. c inverse transform device negative pole 6, spinning solution 7, high-voltage d. c inverse transform device anodal 8 and stainless steel syringe needle 9; The push rod top of conventional injector for medical purpose 3 is shaped with crimping switch 2, in the top side face of flat crimping switch 2, be fixedly shaped with metal forming 1, in the front end inner chamber of conventional medical syringe 3, be equipped with spinning solution 7, on the sidewall of syringe 3, dock integral type and be fixedly shaped with rectangular cell 4 and high-voltage d. c inverse transform device 5, on the bottom of syringe 3, plug-in type is shaped with the stainless steel syringe needle 9 for spraying silk, and stainless steel syringe needle 9 adopts conventional medical injecting head structure and forms a complete set of with syringe; The injector for medical purpose 3 that assembling is shaped with stainless steel syringe needle 9 is for depositing spinning solution 7; Rectangular cell 4 provides power supply for high-voltage d. c inverse transform device 5, and after DC voltage inversion, voltage reaches thousands of volts, and crimping switch 2 is for controlling the switch of power supply, switch connection in the time being subject to outside light pressure, and after pressure disappears, switch disconnects; Positive pole 8 and stainless steel syringe needle 9 electric connections of high-voltage d. c inverse transform device, negative pole 6 and metal forming 1 electric connection of high-voltage d. c inverse transform device.
When the present embodiment uses, first grasp device, device is placed in to the centimeters apart from collector 5-10, can point to collector with any direction, collect the very nonisulated property such as metal forming or human body skin material; Spinning solution 7 is injected in the needle tubing of syringe 3, pin the crimping switch 2 at top with thumb, the pressure of thumb promotes spinning solution 7 in needle tubing and slowly flows out, connect crimping switch 2 simultaneously, the high voltage transfer that high-voltage d. c inverse transform device 5 produces is to stainless steel syringe needle 9, make the high pressure of 3-5 kilovolt on needle tip place band, and be deposited on collector from syringe needle ejection nanofiber; After treating spinning, hand is unclamped, pressure disappears, and crimping switch 2 disconnects, and spinning solution 7 stops flowing out, and spinning finishes.
The ethanolic solution of the polyvinylpyrrolidone (PVP) that the selected spinning solution of the present embodiment is 13wt%, first 1.3 grams of PVP powder are mixed with 8.7 grams of absolute ethyl alcohols, then room temperature lower magnetic force stirs 2 hours, leave standstill 0.5 hour again, obtain the PVP electrostatic spinning precursor solution of the 13wt% of homogeneous transparent; Again stainless steel syringe needle 9 is taken off, pull the piston of syringe 3 to extract a certain amount of 13wt%PVP solution configuring, install stainless steel syringe needle 9, device is placed in to collector (optional platen surface) top 5-10 centimeters, with the crimping switch 2 of have gentle hands pressure injection emitter 3 over top, switch connection, spinning solution 7 flows out along stainless steel syringe needle 9 under pressure simultaneously, form spray silk at needle point place, fiber is solidified and be deposited on collector; Whole spinning process is stable, the productive rate of PVP fiber is higher, and Fig. 3 is the optical microscope photograph with the PVP nanofiber of slide collection, and the photo demonstration continuous free of discontinuities of nanofiber and thickness are more even, little with nanofiber difference prepared by traditional electrostatic spinning apparatus, spinning effect is good.
The present embodiment can add a shell while being directly used in Demonstrating or student's Making Innovation Experiments, syringe 3, rectangular cell 4 and high-voltage d. c inverse transform device 5 are encapsulated, expose crimping switch 2 and the stainless steel syringe needle 9 at two ends, outward appearance is more good-looking, it is more convenient to carry, by selecting suitable precursor spinning solution 7, for external Wound care, accelerated in wounds blood clotting and healing, and Cosmetic pack and beauty treatment etc.

Claims (2)

1. a portable hand-held electrostatic spinning apparatus, is characterized in that comprising metal forming, crimping switch, injector for medical purpose, rectangular cell, high-voltage d. c inverse transform device, high-voltage d. c inverse transform device negative pole, spinning solution, high-voltage d. c inverse transform device positive pole and stainless steel syringe needle; The push rod top of injector for medical purpose is shaped with crimping switch, on the face at the top of flat crimping switch, be fixedly shaped with metal forming, in the front end inner chamber of injector for medical purpose, be equipped with spinning solution, on the sidewall of injector for medical purpose, dock is fixedly shaped with rectangular cell and high-voltage d. c inverse transform device, on the bottom of injector for medical purpose, plug-in type is shaped with the stainless steel syringe needle for spraying silk, stainless steel syringe needle adopt conventional medical injecting head structure and with injector for medical purpose combination accessory; Be shaped with in the injector for medical purpose inner chamber of stainless steel syringe needle and deposit spinning solution; Rectangular cell provides power supply for high-voltage d. c inverse transform device, and after DC voltage inversion, voltage reaches several KV levels, and crimping switch is for controlling the switch of power supply, switch connection in the time being subject to outside light pressure, and after pressure disappears, switch disconnects; High-voltage d. c inverse transform device positive pole and stainless steel syringe needle electric connection, high-voltage d. c inverse transform device negative pole and metal forming electric connection.
2. portable hand-held electrostatic spinning apparatus according to claim 1, first grasps device while it is characterized in that using, device is placed in to the collector 5-10 centimeters that distance arranges, and direction is pointed to collector, collects very metal forming or human body skin; Spinning solution is injected to the inner chamber of injector for medical purpose, pin the crimping switch at top with thumb, the pressure of thumb promotes spinning solution in needle tubing and slowly flows out, connect crimping switch simultaneously, the high voltage transfer that high-voltage d. c inverse transform device produces is to stainless steel syringe needle, make stainless steel syringe needle point place bring the high pressure of 3-5 kilovolt, and be deposited on collector from syringe needle ejection nanofiber; After treating spinning, hand is unclamped, pressure disappears, and crimping switch disconnects, and spinning solution stops flowing out, and spinning finishes.
CN201210229010.3A 2012-07-04 2012-07-04 Portable handheld electrostatic spinning device Active CN102776583B (en)

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CN102982720A (en) * 2012-12-11 2013-03-20 青岛大学 Teaching demonstration device for electrostatic spinning
CN102965838A (en) * 2012-12-11 2013-03-13 青岛大学 Method for preparing micro-nano fiber film by electrostatic spinning method
CN104790049B (en) * 2015-04-29 2016-09-07 青岛新智源健康科技有限公司 A kind of portable electrostatic spinning equipment and using method thereof
CN104887282B (en) * 2015-05-25 2017-03-08 东华大学 A kind of vascular repair device
CN108277540A (en) * 2017-03-22 2018-07-13 吴强 A kind of integral type blowing electrostatic spinning device
CN107254719B (en) * 2017-06-28 2019-08-27 黄辉 A kind of hand-held nano particle injection apparatus
CN107687028A (en) * 2017-09-28 2018-02-13 华南协同创新研究院 A kind of Electrospun nano-fibers facial mask preparation method and preparing instrument
JP6967567B2 (en) * 2018-10-17 2021-11-17 花王株式会社 Electrostatic spinning equipment
CN109528617A (en) * 2018-12-29 2019-03-29 广西紫荆生物科技有限公司 A kind of cosmetics and its spraying method
US11732383B2 (en) 2019-10-28 2023-08-22 Kao Corporation Method for manufacturing fiber deposition body, method for manufacturing film, and method for attaching film
WO2021085394A1 (en) 2019-10-28 2021-05-06 花王株式会社 Fiber deposit production method, membrane production method, and membrane adhesion method
CN111575813B (en) * 2020-05-20 2021-10-26 东华大学 Handheld electrostatic direct injection device and low-voltage electrostatic spinning method
CN111575812B (en) * 2020-05-20 2021-11-26 东华大学 Preparation method of electrostatic spinning fiber dressing
CN112294694B (en) * 2020-11-04 2023-03-21 河北润达环保科技有限公司 Invisible mask and special portable electrostatic spinning equipment thereof
CN113100773A (en) * 2021-04-12 2021-07-13 中国科学院深圳先进技术研究院 Method for preparing fiber membrane dry electrode by directly spinning on skin

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CN2125125U (en) * 1992-04-22 1992-12-16 石保安 Shoes with steps surveying device
CN2271361Y (en) * 1996-10-16 1997-12-31 王春忠 Heating massager structure
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