CN110025427B - Eye drop device - Google Patents

Eye drop device Download PDF

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Publication number
CN110025427B
CN110025427B CN201910298459.7A CN201910298459A CN110025427B CN 110025427 B CN110025427 B CN 110025427B CN 201910298459 A CN201910298459 A CN 201910298459A CN 110025427 B CN110025427 B CN 110025427B
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ring
navigation
dhh1
navigation ring
liquid
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CN110025427A (en
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聂新明
陈斯
王勋
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Jiangsu Normal University
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Jiangsu Normal University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00—Control of dimensions of material
    • G05D5/04—Control of dimensions of material of the size of items, e.g. of particles
    • G05D5/06—Control of dimensions of material of the size of items, e.g. of particles characterised by the use of electric means

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (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

An eye drop device comprises a liquid delivery pipe (YTSSG), a titration pump (B1), a shield (S1), a liquid nozzle (YZ), a first navigation ring (DHH1), a second navigation ring (DHH2), a grounding ring (JDH1), a first sensor (SXT1) and a second sensor (SXT 2). The invention adopts electrostatic navigation to provide thrust for the liquid drops, and can stably control the size of the liquid drops and simultaneously stably grasp the liquid dropping time.

Description

Eye drop device
Technical Field
The invention relates to a medical article, in particular to an eye drop device.
Background
The eye drop is a common eye treatment means, the quantitative positioning of the eye drop in the prior art is difficult to grasp, and the eye drop depends on the hand feeling of an operator, so that the eye drop is easy to cause waste and inaccurate.
Disclosure of Invention
In order to solve the above problems, the present invention designs an eye drop device, as follows.
1. An eye drop device, characterized in that: the device comprises a liquid conveying pipe (YTSSG), a titration pump (B1), a shield (S1), a liquid nozzle (YZ), a first navigation ring (DHH1), a second navigation ring (DHH2), a grounding ring (JDH1), a first sensor (SXT1) and a second sensor (SXT 2);
the first navigation ring (DHH1), the second navigation ring (DHH2) and the ground ring (JDH1) are made of conductive materials;
the shield (S1) is made of insulating material;
the liquid nozzle (YZ) is positioned at the top of the shield (S1);
the inner diameter of the first navigation ring (DHH1) is larger than the outer diameter of the liquid nozzle (YZ);
the height of the first navigation ring (DHH1) is less than the height of the liquid nozzle (YZ);
the horizontal height of the lower end surface of the first navigation ring (DHH1) is higher than that of the lower end surface of the liquid nozzle (YZ);
the inner diameter of the second navigation ring (DHH2) is larger than the outer diameter of the first navigation ring (DHH 1);
the device of the second navigation ring (DHH2) is arranged below the first navigation ring (DHH1), and the surface of the second navigation ring (DHH2) is provided with an insulating layer;
the first navigation ring (DHH1), the second navigation ring (DHH2) are coaxial;
the wall of the shield (S1) has a light transmission hole (TGK) with a diameter less than 2 mm for penetrating natural light into the shield (S1) to guide the opening of the eyes of the human covered by the shield;
the inner diameter of the grounding ring (JDH1) is larger than the outer diameter of the second navigation ring (DHH 2);
a ground ring (JDH1) located below the shield and contactable with skin around the periphery of a human eye;
the liquid conveying pipe (YTSSG) is communicated with the liquid nozzle (YZ), the titration pump (B1) is positioned on the liquid conveying pipe (YTSSG), and the titration pump (B1) is used for conveying liquid to the liquid nozzle (YZ) in a quantitative mode so as to form liquid drops (YD) at the lower end of the liquid nozzle (YZ).
Further: the shield (S1) is made of a ceramic material.
Further: the first navigation ring (DHH1) is made of metal.
Further: the first navigation ring (DHH1) is made of metal.
Further: the second navigation ring (DHH2) is made of metal.
Further: the grounding ring (JDH1) is made of metal.
Further: the liquid nozzle (YZ) is made of metal.
Further: the first sensor (SXT1) is a camera.
Further: the second sensor (SXT2) is a camera.
The technical effects are as follows: the invention adopts electrostatic navigation to provide thrust for the liquid drops, and can stably control the size of the liquid drops and simultaneously stably grasp the liquid dropping time.
Drawings
Fig. 1 is a structural diagram of embodiment 1 of the present invention, in which a light transmission window (TGC) is a photographing light source of a first camera.
FIG. 2 is a schematic diagram of an electrostatically propelled droplet according to embodiment 1 of the present invention, in which the droplet is subjected to its own weight, electrostatic repulsive force of a first navigation ring, and electrostatic attractive force of a second navigation ring; the first electrostatic switch, the second electrostatic switch and the third electrostatic switch are relays.
Fig. 3 is a system framework diagram of embodiment 1 of the present invention.
Fig. 4 is a flow chart of a main program of a control module of embodiment 2 of the present invention.
Fig. 5 is a flow chart of a main program of a control module of embodiment 3 of the present invention.
Fig. 6 is a flowchart of a droplet preparation flow of the control module of embodiment 4 of the present invention.
Detailed Description
Example 1, as shown in fig. 1 to 3, an eye drop device characterized in that: the device comprises a liquid conveying pipe (YTSSG), a titration pump (B1), a shield (S1), a liquid nozzle (YZ), a first navigation ring (DHH1), a second navigation ring (DHH2), a grounding ring (JDH1), a first sensor (SXT1) and a second sensor (SXT 2);
the first navigation ring (DHH1), the second navigation ring (DHH2) and the ground ring (JDH1) are made of conductive materials;
the shield (S1) is made of insulating material;
the liquid nozzle (YZ) is positioned at the top of the shield (S1);
the inner diameter of the first navigation ring (DHH1) is larger than the outer diameter of the liquid nozzle (YZ);
the height of the first navigation ring (DHH1) is less than the height of the liquid nozzle (YZ);
the horizontal height of the lower end surface of the first navigation ring (DHH1) is higher than that of the lower end surface of the liquid nozzle (YZ);
the inner diameter of the second navigation ring (DHH2) is larger than the outer diameter of the first navigation ring (DHH 1);
the device of the second navigation ring (DHH2) is arranged below the first navigation ring (DHH1), and the surface of the second navigation ring (DHH2) is provided with an insulating layer;
the first navigation ring (DHH1), the second navigation ring (DHH2) are coaxial;
the wall of the shield (S1) has a light transmission hole (TGK) with a diameter less than 2 mm for penetrating natural light into the shield (S1) to guide the opening of the eyes of the human covered by the shield;
the inner diameter of the grounding ring (JDH1) is larger than the outer diameter of the second navigation ring (DHH 2);
a ground ring (JDH1) located below the shield and contactable with skin around the periphery of a human eye;
the liquid conveying pipe (YTSSG) is communicated with the liquid nozzle (YZ), the titration pump (B1) is positioned on the liquid conveying pipe (YTSSG), and the titration pump (B1) is used for conveying liquid to the liquid nozzle (YZ) in a quantitative mode so as to form liquid drops (YD) at the lower end of the liquid nozzle (YZ).
The device also comprises a control module, an electrostatic generator, a first electrostatic switch and a second electrostatic switch;
the control module is connected with the first sensor (SXT1), and the control module can acquire images of the liquid drop (YD) through the first sensor (SXT 1);
the control module is connected with a second sensor (SXT2), and the control module can acquire images of the human eyes through the second sensor (SXT 2);
the control module is connected with the titration pump (B1), and the control module can control the operation of the titration pump (B1);
the control module is connected with the electrostatic generator and can control the start and stop of the electrostatic generator and output electrostatic voltage; the control module is connected with the control end of the first electrostatic switch and can control the conduction and the cut-off of a conductive path of the first electrostatic switch;
the control module is connected with the control end of the second electrostatic switch and can control the conduction and the cut-off of a conductive path of the second electrostatic switch;
the first end of the conductive channel of the first electrostatic switch is electrically connected with the first navigation ring (DHH1), and the second end of the conductive channel of the first electrostatic switch is electrically connected with the second navigation ring (DHH 2);
the first end of the conductive channel of the second electrostatic switch is electrically connected with the second output electrode of the electrostatic generator, and the second end of the conductive channel of the second electrostatic switch is electrically connected with the second navigation ring (DHH 2);
the first navigation loop (DHH1) has an electrical connection with the first output electrode of the electrostatic generator;
the first navigation loop (DHH1) has an electrical connection with earth ground;
the grounding ring (JDH1) is electrically connected with the ground;
the liquid conveying pipe (YTSSG) is electrically connected with the ground.
Embodiment 2, the eye drop device according to embodiment 1, wherein the control module has a main control program, and the main control program has the following steps:
step 1, starting;
step 2, preparing eye drops through a drop preparation process;
step 3, entering an eye opening identification process until the eyes of the user are detected to be opened;
step 4, putting the first electrostatic switch in a disconnected state, and putting the second electrostatic switch in a connected state;
step 5, turning on the 'electrostatic generator' to start driving the eye drops;
step 6, entering a liquid drop falling observation process until the liquid drop falling is found;
step 7, turning off the electrostatic generator, putting the second electrostatic switch into an off state, and putting the first electrostatic switch into an on state;
and 8, ending.
The main control program has the following operation steps:
step 1, starting;
step 2, preparing eye drops through a drop preparation process;
step 3, entering an eye opening identification process until the eyes of the user are detected to be opened;
step 4, putting the first electrostatic switch in a disconnected state, and putting the second electrostatic switch in a connected state;
step 5, starting the thread 6.a and then entering step 6. b;
step 6.a, starting the 'electrostatic generator' to drive the eye drops;
step 6.b, entering a liquid drop falling observation process until the liquid drop falling is found, and then entering step 7;
step 7, turning off the electrostatic generator, putting the second electrostatic switch into an off state, and putting the first electrostatic switch into an on state;
step 8, ending;
example 4, the eye drop device according to example 2 or 3, wherein the main control program comprises a droplet preparation process, the droplet preparation process comprises the following steps:
step 1, starting;
step 2, starting a peristaltic pump B1';
step 3, acquiring an image from the 'first camera';
step 4, judging whether the size of the liquid drop below the liquid nozzle reaches the preset size according to the image acquired in the previous step, if so, entering step 5, and if not, entering step 3;
step 5, closing the peristaltic pump B1';
and 6, ending.

Claims (9)

1. An eye drop device, characterized in that: the device comprises a liquid conveying pipe (YTSSG), a titration pump (B1), a shield (S1), a liquid nozzle (YZ), a first navigation ring (DHH1), a second navigation ring (DHH2), a grounding ring (JDH1), a first sensor (SXT1) and a second sensor (SXT 2);
the first navigation ring (DHH1), the second navigation ring (DHH2) and the ground ring (JDH1) are made of conductive materials;
the shield (S1) is made of insulating material;
the liquid nozzle (YZ) is positioned at the top of the shield (S1);
the inner diameter of the first navigation ring (DHH1) is larger than the outer diameter of the liquid nozzle (YZ);
the height of the first navigation ring (DHH1) is less than the height of the liquid nozzle (YZ);
the horizontal height of the lower end surface of the first navigation ring (DHH1) is higher than that of the lower end surface of the liquid nozzle (YZ);
the inner diameter of the second navigation ring (DHH2) is larger than the outer diameter of the first navigation ring (DHH 1);
the device of the second navigation ring (DHH2) is arranged below the first navigation ring (DHH1), and the surface of the second navigation ring (DHH2) is provided with an insulating layer;
the first navigation ring (DHH1), the second navigation ring (DHH2) are coaxial;
the wall of the shield (S1) has a light transmission hole (TGK) with a diameter less than 2 mm for penetrating natural light into the shield (S1) to guide the opening of the eyes of the human covered by the shield;
the inner diameter of the grounding ring (JDH1) is larger than the outer diameter of the second navigation ring (DHH 2);
a ground ring (JDH1) located below the shield and contactable with skin around the periphery of a human eye;
the liquid conveying pipe (YTSSG) is communicated with the liquid nozzle (YZ), the titration pump (B1) is positioned on the liquid conveying pipe (YTSSG), and the titration pump (B1) is used for conveying liquid to the liquid nozzle (YZ) in a quantitative mode so as to form liquid drops (YD) at the lower end of the liquid nozzle (YZ);
the device also comprises a control module, an electrostatic generator, a first electrostatic switch and a second electrostatic switch;
the control module is connected with the first sensor (SXT1), and the control module can acquire images of the liquid drop (YD) through the first sensor (SXT 1);
the control module is connected with a second sensor (SXT2), and the control module can acquire images of the human eyes through the second sensor (SXT 2);
the control module is connected with the titration pump (B1), and the control module can control the operation of the titration pump (B1);
the control module is connected with the electrostatic generator and can control the start and stop of the electrostatic generator and output electrostatic voltage; the control module is connected with the control end of the first electrostatic switch and can control the conduction and the cut-off of a conductive path of the first electrostatic switch;
the control module is connected with the control end of the second electrostatic switch and can control the conduction and the cut-off of a conductive path of the second electrostatic switch;
the first end of the conductive channel of the first electrostatic switch is electrically connected with the first navigation ring (DHH1), and the second end of the conductive channel of the first electrostatic switch is electrically connected with the second navigation ring (DHH 2);
the first end of the conductive channel of the second electrostatic switch is electrically connected with the second output electrode of the electrostatic generator, and the second end of the conductive channel of the second electrostatic switch is electrically connected with the second navigation ring (DHH 2);
the first navigation loop (DHH1) has an electrical connection with the first output electrode of the electrostatic generator;
the first navigation loop (DHH1) has an electrical connection with earth ground;
the grounding ring (JDH1) is electrically connected with the ground;
the liquid conveying pipe (YTSSG) is electrically connected with the ground.
2. The eye drop device of claim 1, wherein: the shield (S1) is made of a ceramic material.
3. The eye drop device of claim 1, wherein: the first navigation ring (DHH1) is made of metal.
4. The eye drop device of claim 1, wherein: the first navigation ring (DHH1) is made of metal.
5. The eye drop device of claim 1, wherein: the second navigation ring (DHH2) is made of metal.
6. The eye drop device of claim 1, wherein: the grounding ring (JDH1) is made of metal.
7. The eye drop device of claim 1, wherein: the liquid nozzle (YZ) is made of metal.
8. The eye drop device of claim 1, wherein: the first sensor (SXT1) is a camera.
9. The eye drop device of claim 1, wherein: the second sensor (SXT2) is a camera.
CN201910298459.7A 2019-04-15 2019-04-15 Eye drop device Active CN110025427B (en)

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Application Number Priority Date Filing Date Title
CN201910298459.7A CN110025427B (en) 2019-04-15 2019-04-15 Eye drop device

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Application Number Priority Date Filing Date Title
CN201910298459.7A CN110025427B (en) 2019-04-15 2019-04-15 Eye drop device

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CN110025427B true CN110025427B (en) 2021-07-20

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1334746A (en) * 1998-12-17 2002-02-06 电溶胶有限公司 Inhaler
CN101138791A (en) * 2007-10-16 2008-03-12 天津大学 Even-sized particles producing device and method for preparing the same
CN103008672A (en) * 2012-12-14 2013-04-03 大连理工大学 Method and device for efficiently preparing uniform spherical micro-particle through pulse small-hole multi-vibrating-rod injection process
CN203578051U (en) * 2013-09-05 2014-05-07 顾文华 Two-stage electric field structure electrostatic spraying system and array
CN104582647A (en) * 2011-12-12 2015-04-29 艾诺维亚股份有限公司 Ejector mechanism, ejector device, and methods of use
CN107153018A (en) * 2017-06-20 2017-09-12 上海交通大学 A kind of droplet generator and drop manufacture method
CN107179287A (en) * 2016-03-09 2017-09-19 东京毅力科创株式会社 Drop check device and drop inspection method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9832972B2 (en) * 2013-03-15 2017-12-05 The United States Of America, As Represented By The Secretary Of The Navy Electrosprayer for arthropod tagging
CN104153012B (en) * 2014-07-14 2017-04-12 厦门大学 Conical micro-nanofiber preparation device and conical micro-nanofiber preparation method
CN108580074A (en) * 2018-03-29 2018-09-28 江苏大学 A kind of method for generation and device of the single size droplet diameter of adjustable atomization

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1334746A (en) * 1998-12-17 2002-02-06 电溶胶有限公司 Inhaler
CN101138791A (en) * 2007-10-16 2008-03-12 天津大学 Even-sized particles producing device and method for preparing the same
CN104582647A (en) * 2011-12-12 2015-04-29 艾诺维亚股份有限公司 Ejector mechanism, ejector device, and methods of use
CN103008672A (en) * 2012-12-14 2013-04-03 大连理工大学 Method and device for efficiently preparing uniform spherical micro-particle through pulse small-hole multi-vibrating-rod injection process
CN203578051U (en) * 2013-09-05 2014-05-07 顾文华 Two-stage electric field structure electrostatic spraying system and array
CN107179287A (en) * 2016-03-09 2017-09-19 东京毅力科创株式会社 Drop check device and drop inspection method
CN107153018A (en) * 2017-06-20 2017-09-12 上海交通大学 A kind of droplet generator and drop manufacture method

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