CN110404170B - Safety protection mechanism of heart defibrillator - Google Patents

Safety protection mechanism of heart defibrillator Download PDF

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Publication number
CN110404170B
CN110404170B CN201910673765.4A CN201910673765A CN110404170B CN 110404170 B CN110404170 B CN 110404170B CN 201910673765 A CN201910673765 A CN 201910673765A CN 110404170 B CN110404170 B CN 110404170B
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defibrillator
plate
handle
restoring
pressing
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CN110404170A (en
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朱禹华
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Hunan Jufu Medical Technology Co ltd
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Hunan Jufu Medical Technology Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39Heart defibrillators
    • A61N1/3904External heart defibrillators [EHD]
    • A61N1/39046User protection from shock
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39Heart defibrillators
    • A61N1/3925Monitoring; Protecting
    • A61N1/3931Protecting, e.g. back-up systems

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  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electrotherapy Devices (AREA)

Abstract

The invention relates to the technical field of medical emergency equipment, and discloses a safety protection mechanism of a heart defibrillator, which comprises a defibrillator handle, wherein a groove is formed in one side of the inner cavity of the defibrillator handle, a pressing touch mechanism is arranged in the groove of the defibrillator handle, a gravity trigger mechanism is fixedly arranged at the top of the inner cavity of the defibrillator handle, and a voltage polar plate is connected with the top thread of one side of the outer part of the defibrillator handle. The safety protection mechanism of the heart defibrillator can implement a second protection mechanism on the defibrillator through the arrangement of the gravity trigger mechanism, and automatically changes the volume form of mercury in the sealing sleeve by utilizing gravity so as to judge whether the gravity trigger mechanism is connected or not.

Description

Safety protection mechanism of heart defibrillator
Technical Field
The invention relates to the technical field of medical emergency equipment, in particular to a safety protection mechanism of a heart defibrillator.
Background
The heart defibrillator is one of the rescue devices widely used in clinical medicine, and mainly uses pulse current to act on the heart to implement motor treatment so as to eliminate arrhythmia, thereby enabling the sinus rhythm of the heart of a patient to be recovered to be normal.
The basic principle of charge and discharge is that a voltage converter is utilized to convert direct current low voltage into pulse high voltage, the pulse high voltage is rectified by the voltage converter to charge a capacitor element, the capacitor obtains certain energy storage, and during defibrillation treatment, the single-pole double-throw switch is controlled to act, and a serial loop formed by the capacitor element, an inductance element and a human body is discharged to the human body for emergency rescue.
However, in the existing cardiac defibrillator, the discharge control capability of the polar plate is poor, mainly by a high-voltage relay and from a medical staff, so that the polar plate after the polar plate is used is forgotten to turn off current in the process of intense rescue, the polar plate is always provided with voltage, a great potential safety hazard exists, and certain damage is easily caused to the rescue staff or the polar plate.
Disclosure of Invention
(one) solving the technical problems
The invention provides a safety protection mechanism of a heart defibrillator, which has the advantages of capability of automatically controlling the on-off of a circuit according to different placement states of the defibrillator, good safety and high stability, and solves the problems that in the existing heart defibrillator, the discharge control capability of a polar plate is poor, mainly by a high-voltage relay and a medical staff comes from a main control, in the process of tension rescue, the polar plate is easy to forget to turn off current after the use of the polar plate, voltage is always stored in the polar plate, and the polar plate has great potential safety hazard and is easy to cause damage to rescue staff or the polar plate.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a safety protection mechanism of heart defibrillator, includes the defibrillator handle, the recess has been seted up to one side of defibrillator handle inner chamber, and the inside of defibrillator handle recess is equipped with presses touch mechanism, the top fixed mounting of defibrillator handle inner chamber has gravity trigger mechanism, and the top threaded connection of defibrillator handle outside one side has the voltage polar plate.
Preferably, the pressing touch mechanism comprises a pressing plate, the outer surface of the pressing plate is clamped with the inner wall of the groove on the defibrillator handle, a metal plate I is fixedly arranged in the middle of one side of the pressing plate, a metal plate II is arranged on the left side of the metal plate I and in the middle of the inner cavity of the defibrillator handle, the metal plate I and the metal plate II are not in contact, and a restoring mechanism is fixedly arranged at the top and the bottom of one side of the pressing plate.
Preferably, the restoring mechanism comprises a restoring sleeve, the outer surface of the restoring sleeve is fixedly connected with the inner part of the defibrillator handle, a restoring connecting plate is movably sleeved on the inner wall of the restoring sleeve, one side of the restoring connecting plate is fixedly provided with a restoring connecting rod, one end of the restoring connecting rod penetrates through and extends to the outer part of the restoring sleeve and is fixedly connected with one side of the pressing plate, and the other side of the restoring connecting plate is fixedly connected with one side of the inner cavity of the restoring sleeve through a restoring spring.
Preferably, the gap between the metal plate I and the metal plate II is smaller than the minimum compression length of the restoring spring.
Preferably, the gravity trigger mechanism comprises a sealing sleeve, the outer surface of the sealing sleeve is fixedly connected with the inside of the defibrillator handle, a metal conductive block is fixedly arranged on one side of the inner wall of the sealing sleeve, and an insulating sealing layer is arranged on the inner wall of the sealing sleeve.
Preferably, the inner cavity of the sealing sleeve is provided with mercury solution, and the volume of the mercury solution is one half of the total volume of the inner cavity of the sealing sleeve.
Preferably, the metal conductive block is positioned at one third of the right side of the inner wall of the sealing sleeve.
Preferably, the pressing trigger mechanism, the gravity trigger mechanism and the voltage pole plate are connected in series with a capacitive element and a single-pole double-throw switch in the defibrillator.
(III) beneficial effects
The invention has the following beneficial effects:
1. the safety protection mechanism of the heart defibrillator can implement a first protection mechanism for the heart defibrillator by pressing the setting of the touch mechanism, can be switched on only when a medical care personnel holds the heart defibrillator, and can automatically switch off a circuit at the moment of releasing hands.
2. The safety protection mechanism of the heart defibrillator can implement a second protection mechanism on the defibrillator through the arrangement of the gravity trigger mechanism, and automatically changes the volume form of mercury in the sealing sleeve by utilizing gravity so as to judge whether the gravity trigger mechanism is connected or not.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the present invention at A of FIG. 1;
FIG. 3 is a schematic view of the gravity trigger mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the present invention in use;
fig. 5 is a schematic diagram of the basic circuit principle of the structure of the present invention.
In the figure: 1. a defibrillator handle; 2. pressing the touch mechanism; 21. pressing the plate; 22. a metal plate I; 23. a metal plate II; 24. a return mechanism; 241. a return sleeve; 242. restoring the connecting plate; 243. a return link; 244. a return spring; 3. a gravity trigger mechanism; 31. a sealing sleeve; 32. a metal conductive block; 33. an insulating sealing layer; 4. a voltage plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a safety protection mechanism of a heart defibrillator comprises a defibrillator handle 1, wherein a groove is formed in one side of an inner cavity of the defibrillator handle 1, a pressing touch mechanism 2 is arranged in the groove of the defibrillator handle 1, a gravity trigger mechanism 3 is fixedly arranged at the top of the inner cavity of the defibrillator handle 1, and a voltage polar plate 4 is connected with the top thread of one side of the outer part of the defibrillator handle 1.
The voltage polar plate 4 with different sizes can be conveniently and flexibly replaced by the arrangement of the threaded connection between the defibrillator handle 1 and the voltage polar plate 4 so as to be suitable for patients with different age and body types, and the defibrillator handle is good in applicability.
In this technical scheme, press touch mechanism 2 includes press board 21, the surface of press board 21 and the inner wall joint of the last recess of defibrillator handle 1, and the middle part fixed mounting of press board 21 one side has metal sheet I22, and the left side of metal sheet I22 just is located the middle part of defibrillator handle 1 inner chamber and is equipped with metal sheet II 23, does not contact between metal sheet I22 and the metal sheet II 23, and the top and the bottom of press board 21 one side are all fixed mounting to have the reply mechanism 24.
The first protection mechanism of the heart defibrillator is arranged for the pressing touch mechanism 2, and can be switched on only after the medical staff holds the heart defibrillator and presses the heart defibrillator, so that the heart defibrillator can be automatically powered off as long as the medical staff releases the hands even if the medical staff forgets to power off the heart defibrillator, and the heart defibrillator has good safety.
In this technical scheme, reply mechanism 24 includes reply sleeve 241, and the surface of reply sleeve 241 and the inside fixed connection of defibrillator handle 1, and reply link plate 242 has been cup jointed in the inner wall activity of reply sleeve 241, and one side fixed mounting of reply link plate 242 has reply link 243, and one end of reply link plate 243 runs through and extends to the outside of reply sleeve 241 and with one side fixed connection of pressing board 21, the opposite side of reply link plate 242 passes through return spring 244 and one side fixed connection of reply sleeve 241 inner chamber.
In this embodiment, the gap between the metal plate I22 and the metal plate II 23 is smaller than the minimum compression length of the return spring 244.
Wherein, to the setting of clearance between metal sheet I22 and the metal sheet II 23, ensure that medical personnel behind pressing board 21, can be good switch-on between metal sheet I22 and the metal sheet II 23, guarantee that it can not take place the poor condition that leads to voltage polar plate 4 can't carry out urgent treatment to the patient, make it have better stability and reliability when guaranteeing this defibrillator security, can not take place the condition of unexpected outage.
Referring to fig. 3-4, in the present embodiment, the gravity trigger mechanism 3 includes a sealing sleeve 31, an outer surface of the sealing sleeve 31 is fixedly connected with an inside of the defibrillator handle 1, a metal conductive block 32 is fixedly installed on one side of an inner wall of the sealing sleeve 31, and an insulating sealing layer 33 is disposed on the inner wall of the sealing sleeve 31.
Wherein, setting up to gravity trigger mechanism 3 belongs to this heart defibrillator's second way protection machanism, when using heart defibrillator, all need place the patient level, then reuse heart defibrillator carries out electric shock rescue for defibrillator handle 1 is vertical decurrent in the moment of discharging, thereby utilize gravity and gravity trigger mechanism 3's relation, only can switch on the electric current when defibrillator handle 1 is vertical to be placed, and then effectually avoided the condition emergence of medical personnel hand-held defibrillation time can accidentally injure other people, further improved the security of this heart defibrillator in the use.
In the present solution, a mercury solution is disposed in the inner cavity of the sealing sleeve 31, and the volume of the mercury solution is half of the total volume of the inner cavity of the sealing sleeve 31.
The mercury in the inner cavity of the sealing sleeve 31 is set to have good conductivity and is in a liquid state at normal temperature, so that the mercury is ensured not to change in physical state due to temperature change, the mercury is ensured to have good conductivity all the time, the condition that the gravity trigger mechanism 3 is in poor contact due to temperature change is avoided, and the stability and the reliability of the defibrillator are further improved.
In the present solution, the metal conductive block 32 is located at one third of the right side of the inner wall of the sealing sleeve 31.
The arrangement of the positional relationship of the metal conductive block 32 can effectively avoid the situation that the volume of mercury in the inner cavity of the sealing sleeve 31 is changed due to the change of the external environment temperature, so that the gravity trigger mechanism 3 cannot be connected with current due to the fact that the volume of mercury is reduced when the gravity trigger mechanism is vertically placed.
Referring to fig. 5, in the present embodiment, the pressing trigger mechanism 2, the gravity trigger mechanism 3, and the voltage pole plate 4 are connected in series with a capacitive element and a single pole double throw switch in the defibrillator.
The pressing trigger mechanism 2, the gravity trigger mechanism 3 and the voltage polar plate 4 are arranged in relation to the capacitive element and the single-pole double-throw switch logic AND gate, so that the defibrillator can control the circuit connection system of the cardiac defibrillator to be connected only when the pressing trigger mechanism 2 and the gravity trigger mechanism 3 are triggered at the same time, and the use safety and reliability of the defibrillator are further improved.
The application method and the working principle of the embodiment are as follows:
when the heart defibrillator is needed to be used, firstly, the device is started, medical staff holds the defibrillator handle 1 and automatically presses the pressing and touching mechanism 2, the pressing plate 21 is driven to move downwards, the metal plate I22 is enabled to be in contact with the metal plate II 23, accordingly, when the pressing and touching mechanism 2 is triggered to be connected, and then the voltage pole plate 4 is aligned to a designated position on the chest of a patient, the defibrillator handle 1 can be vertically downwards placed by the patient, the shape of mercury liquid in the inner cavity of the sealing sleeve 31 is changed, the gravity triggering mechanism 3 is enabled to be connected through the conductive property of mercury, a closed loop is formed among the pressing and touching mechanism 2, the gravity triggering mechanism 3, the voltage pole plate 4, the capacitive element and the single-pole double-throw switch, emergency treatment operation can be carried out on the patient by the aid of the single-pole double-throw switch, and when the defibrillator handle 1 is not needed to be used, the pressing plate 21 is automatically driven to move under the elastic force of the return spring 244 on the return mechanism 24, and meanwhile, the metal plate I22 and the metal plate II are separated from the metal plate II, the inner cavity is disconnected, the inner cavity of the sealing sleeve 31 is enabled to be disconnected, and the inner cavity of the sealing sleeve 32 can not be connected with the mercury, and the sealing sleeve can not be safely turned on by the medical staff.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The use method of the safety protection mechanism of the heart defibrillator comprises a defibrillator handle (1), wherein a groove is formed in one side of the inner cavity of the defibrillator handle (1), a pressing touch mechanism (2) is arranged in the groove of the defibrillator handle (1), a gravity trigger mechanism (3) is fixedly arranged at the top of the inner cavity of the defibrillator handle (1), and a voltage polar plate (4) is connected with the top thread of one side of the outer part of the defibrillator handle (1);
the pressing touch mechanism (2) comprises a pressing plate (21), the outer surface of the pressing plate (21) is clamped with the inner wall of the groove on the defibrillator handle (1), a metal plate I (22) is fixedly arranged in the middle of one side of the pressing plate (21), a metal plate II (23) is arranged on the left side of the metal plate I (22) and in the middle of the inner cavity of the defibrillator handle (1), the metal plate I (22) is not contacted with the metal plate II (23), and a restoring mechanism (24) is fixedly arranged at the top and the bottom of one side of the pressing plate (21);
the restoring mechanism (24) comprises a restoring sleeve (241), the outer surface of the restoring sleeve (241) is fixedly connected with the inside of the defibrillator handle (1), a restoring connecting plate (242) is movably sleeved on the inner wall of the restoring sleeve (241), a restoring connecting rod (243) is fixedly arranged on one side of the restoring connecting plate (242), one end of the restoring connecting rod (243) penetrates through and extends to the outside of the restoring sleeve (241) and is fixedly connected with one side of the pressing plate (21), and the other side of the restoring connecting plate (242) is fixedly connected with one side of an inner cavity of the restoring sleeve (241) through a restoring spring (244);
the gap between the metal plate I (22) and the metal plate II (23) is smaller than the minimum compression length of the return spring (244);
the gravity triggering mechanism (3) comprises a sealing sleeve (31), the outer surface of the sealing sleeve (31) is fixedly connected with the inside of the defibrillator handle (1), a metal conductive block (32) is fixedly arranged on one side of the inner wall of the sealing sleeve (31), and an insulating sealing layer (33) is arranged on the inner wall of the sealing sleeve (31);
the inner cavity of the sealing sleeve (31) is provided with mercury solution, and the volume of the mercury solution is one half of the total volume of the inner cavity of the sealing sleeve (31);
the metal conductive block (32) is positioned at one third of the right side of the inner wall of the sealing sleeve (31);
the pressing trigger mechanism (2), the gravity trigger mechanism (3) and the voltage polar plate (4) are connected in series with a capacitive element and a single-pole double-throw switch in the defibrillator;
the method is characterized in that:
when the heart defibrillator is needed to be used, firstly, the device is started, a medical staff holds a defibrillator handle and automatically presses the pressing trigger mechanism to drive the pressing plate to move downwards and enable the metal plate I to be in contact with the metal plate II, so that the pressing trigger mechanism is triggered and connected, and then when the voltage polar plate is aligned to a designated position on the chest of a patient, the defibrillator handle is vertically downwards due to the fact that the patient lies flat, the shape of mercury liquid in the inner cavity of the sealing sleeve is changed, so that the gravity trigger mechanism is connected through the conductive property of mercury, a closed loop is formed among the pressing trigger mechanism, the gravity trigger mechanism, the voltage polar plate, the capacitor element and the single-pole double-throw switch, and emergency treatment operation can be carried out on the patient by utilizing the single-pole double-throw switch;
when the defibrillator handle is not needed to be used, medical staff can not hold the defibrillator handle any more, under the action of the elastic force of the return spring on the return mechanism, the automatic driving pressing plate moves outwards, meanwhile, the metal plate I and the metal plate II are separated from each other, the circuit connection inside the voltage polar plate is cut off, or when the defibrillator handle is held by the medical staff, as long as the defibrillator handle is not vertically downward, the shape of mercury liquid in the inner cavity of the sealing sleeve can change along with the sealing sleeve under the action of gravity, so that the metal conducting block cannot be connected, and the safety and reliability of the medical staff in using the defibrillator are further effectively ensured.
CN201910673765.4A 2019-07-24 2019-07-24 Safety protection mechanism of heart defibrillator Active CN110404170B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910673765.4A CN110404170B (en) 2019-07-24 2019-07-24 Safety protection mechanism of heart defibrillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910673765.4A CN110404170B (en) 2019-07-24 2019-07-24 Safety protection mechanism of heart defibrillator

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CN110404170A CN110404170A (en) 2019-11-05
CN110404170B true CN110404170B (en) 2023-09-01

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2867976Y (en) * 2006-01-19 2007-02-14 黄连正 Shift-proof alarm suitcase
CN203802960U (en) * 2014-04-30 2014-09-03 周衍菊 Electrode used for automated external defibrillator
WO2017167822A1 (en) * 2016-03-31 2017-10-05 Koninklijke Philips N.V. Defibrillator paddles with use indicators

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Effective date of registration: 20230803

Address after: Room 617, Building B2, Lugu Science and Technology Innovation and Entrepreneurship Park, No. 1698 Yuelu West Avenue, High tech Development Zone, Changsha City, Hunan Province, 410221

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