CN105193500A - Electrotome with electromagnetic radiation protection function - Google Patents
Electrotome with electromagnetic radiation protection function Download PDFInfo
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- CN105193500A CN105193500A CN201510718311.6A CN201510718311A CN105193500A CN 105193500 A CN105193500 A CN 105193500A CN 201510718311 A CN201510718311 A CN 201510718311A CN 105193500 A CN105193500 A CN 105193500A
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Abstract
The invention discloses an electrotome with an electromagnetic radiation protection function. The electrotome with the electromagnetic radiation protection function comprises a high frequency electrotome or an LEEP (Loop Eelectrosurgical Excision Procedure) bistoury apparatus, an electromagnetic radiation protector, a knife handle, and an electro blade; the electromagnetic radiation protector comprises a first plug, a first transmission line, a control box, a second plug, and a second transmission line which are sequentially connected; the first plug is respectively connected with the high frequency electrotome or the LEEP bistoury apparatus, the first transmission line; the second transmission line is respectively connected with the second plug, and the knife handle. By adopting the electrotome with the electromagnetic radiation protection function, provided by the invention, the electromagnetic radiation of the electrotome can be effectively reduced, and the radiation intensity can be reduced to be within the safety range of the national standard.
Description
The divisional application that the application is application number is 201410312733.9, denomination of invention is " electromagnetic radiation protector and have the electric knife of electromagnetic radiation protection function " patent.
Technical field
The invention belongs to electromagnetic radiation protection technical field, relate to a kind of electromagnetic radiation protector, particularly relate to a kind of electromagnetic radiation protector of electric knife; Meanwhile, the invention still further relates to a kind of electric knife with electromagnetic radiation protection function.The present invention is hazardness rarely known by the people in Modern Medical Field protection, and protection medical worker and patient's is healthy.
Background technology
Electromagnetic radiation is present in multiple environment, generally can not work the mischief to human body, but under a lot of professional context, be exactly a kind of electromagnetic pollution that can not be ignored, exceed the safety limit of national regulation, just likely various injury is produced to human body, such as nervous dysfunction, chest distress and palpitation symptoms, menoxenia, induced tumor etc.Cannot see due to electromagnetic wave and can not touch, the crowd being subject to radiation under a lot of professional context also not for known to, the operating room of hospital is exactly typical place.
As shown in Figure 1, present many hospitals carry out performing the operation and substantially use high frequency electric knife, LEEP cutter etc. to instead of traditional operation blade, and these modem surgical technology are more advanced, and operating time is short, go out insufficiency of blood, little to damage to patient.But the side effect that this advanced technology is brought is exactly electromagnetic radiation.Surveyed by instrumentation, during operation, the intensity of electromagnetic radiation is up to about 1500V, and according to GB; Specific as follows:
High-frequency radiation safety limit value GB9175-88 specifies:
Work places high frequency radiation sanitary standard: GB10437-89 specifies:
Continuous wave must not expose more than 19V/m in 4 hours;
Impulse wave must not expose more than 10V/m in 8 hours;
Within 4 hours, must not expose more than 14V/m.
So the radiant intensity of operating room exceeds safety criterion more than 100 times, far beyond the requirement of national regulations.Often doctor and patient be subject to high-level radiation also not for known to.
One of harm, medical research proves, is in the environment of high electromagnetic radiation for a long time, and blood, lymph fluid and cellular plasm can be made to change.Serious causes leukemic generation.
Two of harm, can bring out cancer and accelerate human body
cancerous cellpropagation.Electromagnetic radiation pollution can affect human body
blood circulation, immunity, reproduction and metabolic function, serious also can bring out cancer, and can accelerate human body
cancerous cellpropagation.
Three of harm, affects people's
reproductive system, main manifestations is the reduction of man's sperm quality, and anemia of pregnant woman occurs
from right miscarriagewith
fetal anomalydeng.
Four of harm, can cause children's intelligence incomplete.According to latest survey display, in 2,000 ten thousand children that China is born every year, have 350,000 for defect youngster, wherein 250,000 is that intelligence is incomplete, and electromagnetic radiation is also one of influence factor to have expert to think.World Health Organization (WHO) is thought, the electromagnetic radiation of computer, television set, mobile phone has harmful effect to fetus.
Five of harm, affects people's
cardiovascular system, show as cardiopalmus, insomnia, some women disorder of menstrual cycle,
bradycardia, heartbeat oligemia, sinus
arrhythmia,
leukopenia, immunologic function degression etc.If the patient that cardiac pacemaker is housed is in the environment of high electromagnetic radiation, the normal use of cardiac pacemaker can be affected.
Six of harm, has harmful effect to the visual system of people.Because eyes belong to the responsive organ of human body to electromagnetic radiation, too high electromagnetic radiation pollution can cause visual deterioration,
cataractdeng
In recent years, domestic and international media pair
electromagnetic radiationharmful report does not break always:
italyhave more than 400 child's cases with leukemia every year, it is serious that expert thinks that the cause of disease is subject to
electromagnetic pollution; The U.S. one
cancermedical treatment
fund meetingto some rounds
electromagnetic radiationthe patient of damage
samplingchemical examination, result shows
high-voltage linethe people of neighbouring work, its
cancerous cellfaster than common people 24 times of the speed of growth; In 2,000 ten thousand children that China is born every year, have 350,000 for defect youngster, wherein 250,000 is that intelligence is incomplete, has expert to think,
electromagnetic radiationone of influence factor.
The mankind live in always in fact
electromagnetic environmentli.The earth is a large magnetic field inherently, its surface
hot spoke penetratewith
thunder and lightningall electromagnetic radiation can be produced.In addition, the sun and other celestial bodies are also certainly
outer spaceproduce electromagnetic radiation continuously.But the electromagnetic radiation of natural generation is do not have prejudicial to human body, constitutes a threat to human body, be the artificial electromagnetic radiation produced to environment.
Electromagnetic radiation and
electromagnetic pollutiontwo concepts, though electromagnetic radiation is ubiquitous, at all times,
electromagnetism polluteonly exceed some strength (i.e. safety in electromagnetic radiation
sanitary standardlimit value) after, just negative effect is produced to human body, cause headache,
insomnia, amnesia, blood pressure raise or decline, there is the symptoms such as circumscribed exception in heart.As long-term operation under the super-strength environment of electromagnetic radiation, serious some of the staff may be caused to miscarry,
cataract, even bring out carcinogenic.
Heat effect: when human body accepts electromagnetic radiation, in body, molecule can, along with the conversion rapid movement of electromagnetic field, make human body heat up, and heat effect can cause nervus centralis and plant psychiatric system
dysfunction, main manifestations is dizzy, insomnia, forgetful etc.
subhealth stateperformance.
Non-thermal effect: namely absorbed radiation is not enough to cause body temperature to increase, but also causes physiological change and reaction.Live and work is excessively of a specified duration in this environment, there will be dizziness, fatigue and weak, hypomnesis,
loss of appetiteetc. clinical symptoms.
In view of this, nowadays in the urgent need to designing the radiation protector of a kind of high frequency electric knife, LEEP cutter, to overcome the above-mentioned defect of existing modus operandi.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of electric knife with electromagnetic radiation protection function, effectively can reduce the electromagnetic radiation of electric knife, radiant intensity is dropped within GB safety range.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Have an electric knife for electromagnetic radiation protection function, described electric knife comprises high frequency electric knife or LEEP cutter instrument, electromagnetic radiation protector, handle of a knife, power blade;
Described electromagnetic radiation protector comprises the first plug, the first transmission line, control box, the second plug, the second transmission line that connect successively;
Described first plug connects high frequency electric knife or LEEP cutter instrument, the first transmission line respectively, and the second transmission line connects the second plug, handle of a knife respectively;
Described first transmission line, the second transmission line include three layers of demagnetization layer, ground floor is wound around holding wire for adopting the close web material layer metal foiled paper of low-resistance from inside to outside, the second layer is adopt the close volume mesh materials of low-resistance to pass through the mode compact winding of winding outside ground floor, third layer is low resistance metal paper mold material, adopts the ultra-thin absorbing material of light weight to be wrapped in outside the second layer; Absorbing material is electromagnetic wave absorption effectively, suppress electromagnetic radiation, make it to be converted into heat energy, by three layers of shielding, reduce electromagnetic radiation, then by the demagnetization of demagnetization unit, (or ground floor is the close web material layer of low-resistance from inside to outside to make electromagnetic radiation continue to reduce, the second layer is that the close net materials of low-resistance passes through the mode compact winding of winding outside ground floor, and third layer is low resistance metal paper mold material, is wrapped in outside the second layer; The close net materials of low-resistance is shielded electromagnetic radiation part, and stick signal part, then use low resistance metal paper mold material, the electromagnetic radiation revealed after absorbing shielding);
Described control box comprises startup trigger unit, disposable blocking unit, processor, radiant intensity sensing unit, demagnetization unit, exports indicating member, output control unit; Described processor connects startup trigger unit, disposable blocking unit, radiant intensity sensing unit, demagnetization unit respectively, exports indicating member, output control unit, and disposable blocking unit also connects startup trigger unit;
Described startup trigger unit is started working in order to control protector, comprises timing, metering exports;
Described disposable blocking unit forces single use in order to control protector, or restriction uses under timing, metering; Disposable blocking unit comprises single-chip microcomputer, relay, and single-chip microcomputer judges whether to reach blocking-up condition, if reach, sends signal, control relay power-off to relay;
Described radiant intensity sensing unit is in order to intercept radiation signal by induction coil, and quantization modulation is carried out to this signal, under the control of electronic potentiometer, produce level signal, compare with preset preset value in memory, then control access times by microprocessor according to safety limit;
Described demagnetization unit is in order to eliminate electromagnetic radiation; Demagnetization unit adopts three grades of filtering, active and passive in conjunction with two kinds of forms; One-level adopts active low-pass filter, and secondary adopts π type passive filter, and three grades adopt lonely unifrequent notch filter; Three grades of wave filter connect successively;
Described processor, in order to process the working condition of whole control box, comprises timing, metering, radiant intensity identification, safety limit detection, demagnetization control, duty instruction control, off working state instruction control;
Described output indicating member is in order to the state by display lamp display electric knife;
Described output control unit, in order to control the output maintaining or cut off high-frequency signal, makes high frequency electric knife or LEEP cutter instrument inactivity export, cannot cut and organize.
As one embodiment of the present invention, start trigger unit and comprise button, resistance R1, resistance R2, audion T1, shaping chip IC 1, paraphase chip IC 2, the two ends of button are respectively by base stage, the colelctor electrode of resistance R1, resistance R2 connecting triode T1, the colelctor electrode of audion T1 connects the input of shaping chip IC 1, the outfan of shaping chip IC 1 connects the input of paraphase chip IC 2, the outfan connection handling device of paraphase chip IC 2;
Disposable blocking unit comprises resistance R3, diode D1, audion T2, relay, piezoelectric sensing element; Processor passes through the base stage of resistance R3 connecting triode T2, the collector connection relay of audion T2, diode D1, and relay connects piezoelectric sensing element;
Demagnetization unit comprises audion T3, operational amplifier IC3, operational amplifier IC4, inductance L 1, inductance L 2, inductance L 3, inductance L 4, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10;
One end of inductance L 1 connects the first end of electric capacity C1, other end ground connection; The first end of the second end contact resistance R4 of electric capacity C1 and the base stage of audion T3, the grounded emitter of audion T3, second end of the colelctor electrode contact resistance R4 of audion T3, the first end of resistance R5, the first end of resistance R6; Second end of resistance R5 connects power supply Vc; The first end of the second end contact resistance R7 of resistance R6, the first end of electric capacity C2; The negative pole of the second end concatenation operation amplifier IC3 of resistance R7, the outfan of the second end concatenation operation amplifier IC3 of electric capacity C2, the first end of resistance R8; The first end of the positive pole contact resistance R9 of operational amplifier IC3, the first end of the outfan contact resistance R8 of operational amplifier IC3, the first end of electric capacity C3, the first end of inductance L 2; The first end of the second end contact resistance R9 of resistance R8; The second end ground connection of resistance R9;
The equal ground connection of second end of electric capacity C3, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8; Inductance L 2, electric capacity C4, inductance L 3, electric capacity C6, inductance L 4, electric capacity C9, electric capacity C10, resistance R12 connect successively; The first end of electric capacity C5 accesses between electric capacity C4, inductance L 3, and the first end of electric capacity C7 accesses between electric capacity C6, inductance L 4, and the first end of electric capacity C8 accesses between inductance L 4, electric capacity C9;
Between first end access electric capacity C9, electric capacity C10 of resistance R10, the negative pole of the second end concatenation operation amplifier IC4 of resistance R10 and signal output part out; Between first end access electric capacity C10, resistance R12 of resistance R11, the second end ground connection of resistance R11; The positive pole of the second end concatenation operation amplifier IC4 of resistance R12, the outfan connection signal outfan out of operational amplifier IC4;
Radiant intensity sensing unit comprises a/d converter, operational amplifier IC5, audion T4, audion T5, diode D2, slide rheostat W1, inductance L 5, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C16, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21;
The first end of power supply Vc contact resistance R16, the first end of resistance R14, the first end of resistance R13; The colelctor electrode of the second end connecting triode T5 of resistance R16, the first end of resistance R17;
The colelctor electrode of the second end connecting triode T4 of resistance R14, the first end of electric capacity C12; Second end of electric capacity C12 connects the first end of electric capacity C11, the first end of inductance L 5; Second end of inductance L 5 connects electric capacity C13; The first end of the emitter stage contact resistance R15 of audion T4, the first end of electric capacity C15, the base stage of audion T5;
Second end of resistance R13 connects first end, the positive pole of diode D2, the base stage of audion T4 of electric capacity C14; Second termination of electric capacity C14 enters between inductance L 5 and electric capacity C13; The negative pole of diode D2 connects slide rheostat W1;
Second end of negative pole contact resistance R17 of operational amplifier IC5, the first end of resistance R21, second end of the positive pole contact resistance R18 of operational amplifier IC5, the first end of electric capacity C16, the first end of resistance R19, the first end of resistance R20; The first end of resistance R18 connects power supply Vc; Second termination of resistance R21 enters the outfan of operational amplifier IC5; The outfan of operational amplifier IC5 connects a/d converter, a/d converter connection handling device.
Beneficial effect of the present invention is: the electric knife with electromagnetic radiation protection function that the present invention proposes, and effectively can reduce the electromagnetic radiation of electric knife, radiant intensity is dropped within GB safety range.
Due to the instruments such as high frequency electric knife, LEEP cutter leave medical personnel in the position that operating room is placed and patient far away, harm is little, and the output lead of electric knife is held in doctor's hands, is used in patient, also record on the output line up to about 1500V electromagnetic radiation intensity, therefore the present invention is directed to output lead and shield.By the plug, socket, close volume shielding line and the protective shielding box that make specially, radiant intensity is dropped within GB safety range.
The present invention, by starting up's recognition technology, is restricted to electromagnetic radiation protector and once uses, meet national nonrecoverable requirement.The present invention is that high frequency electric knife, LEEP cutter are special, and don't changes original operation technique flow process and surgical effect.In addition, this protector uses single chip microcomputer technology, electromagnetic radiation protector is shielded more reliable.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of existing electric knife.
Fig. 2 is the composition schematic diagram of electric knife of the present invention.
Fig. 3 is the composition schematic diagram of electromagnetic radiation protector of the present invention.
Fig. 4 is the circuit diagram starting trigger unit in embodiment.
Fig. 5 is the circuit diagram of disposable blocking unit in embodiment.
Fig. 6 is the circuit diagram of demagnetization unit in embodiment.
Fig. 7 is the circuit diagram of radiant intensity sensing unit in embodiment.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 2, Fig. 3, present invention is disclosed a kind of electromagnetic radiation protector, described protector comprises the first plug 11, first transmission line 12, control box 13, second plug 14, second transmission line 15 that connect successively; Described first plug 11 connects high frequency electric knife respectively or LEEP cutter instrument 2, first transmission line 12, second transmission line 15 connects the second plug 14, handle of a knife 3 respectively.
Described first plug 11, second plug 14 can be all that unequal interval is spacing, is different from common power plug, socket, can avoids socket position.Plug is in line, but not triangle arrangement.Advantage is: (1) is convenient to plug, can spacing can not hair slide; (2) screen layer is directly embedded in plug, screen layer is closer to radiation source (high frequency electric knife or LEEP cutter instrument 2), and shield effectiveness is better.
Described first transmission line 12, second transmission line 15 includes three layers of demagnetization layer, ground floor adopts metal foiled paper to be wound around holding wire from inside to outside, the mode compact winding that the second layer adopts close volume wire netting to pass through to be wound around is outside ground floor, and third layer adopts the ultra-thin absorbing material of light weight to be wrapped in outside the second layer.Like this can electromagnetic wave absorption effectively, suppress electromagnetic radiation, make it to be converted into heat energy, by three layers of shielding, radiation is reduced greatly, then pass through the demagnetization of demagnetization unit, substantially make radiation be down to zero.Certainly, the sequencing of above-mentioned each layer can adjust, and also can increase or reduce the number of plies of demagnetization layer.
Described control box 13 comprises startup trigger unit 131, disposable blocking unit 132, processor 133, radiant intensity sensing unit 136, demagnetization unit 137, exports indicating member 134, output control unit 135; Described processor 133 connects startup trigger unit 131, disposable blocking unit 132, radiant intensity sensing unit 136, demagnetization unit 137 respectively, exports indicating member 134, output control unit 135, and disposable blocking unit 132 also connects startup trigger unit 131.
Described startup trigger unit 131 is started working in order to control protector, comprises timing, metering exports.Before surgical, press start button, whole protector (shielding harness) is in running order, and can perform the operation, this also designs in order to power saving.
Refer to Fig. 4, start trigger unit and comprise button, resistance R1, resistance R2, audion T1, shaping chip IC 1, paraphase chip IC 2, the two ends of button are respectively by base stage, the colelctor electrode of resistance R1, resistance R2 connecting triode T1, the colelctor electrode of audion T1 connects the input of shaping chip IC 1, the outfan of shaping chip IC 1 connects the input of paraphase chip IC 2, the outfan connection handling device of paraphase chip IC 2.
Described disposable blocking unit 132 forces single use in order to control protector, or restriction uses under timing, metering; Disposable blocking unit comprises single-chip microcomputer, relay, and single-chip microcomputer judges whether to reach blocking-up condition, if reach, sends signal, control relay power-off to relay.If operating time is long, radiant power is very large, and reach after imposing a condition, processor can start self-destroying function, and device is burnt, and can not use again.
Refer to Fig. 5, disposable blocking unit comprises resistance R3, diode D1, audion T2, relay, piezoelectric sensing element.Processor is by the base stage of resistance R3 connecting triode T2, and the collector connection relay of audion T2, diode D1, relay connects piezoelectric sensing element.
Described radiant intensity sensing unit 136 is in order to intercept radiation signal by induction coil, and quantization modulation is carried out to this signal, under the control of electronic potentiometer, produce level signal, compare with preset preset value in memory, then control access times by microprocessor according to safety limit.
Refer to Fig. 7, radiant intensity sensing unit comprises a/d converter, operational amplifier IC5, audion T4, audion T5, diode D2, slide rheostat W1, inductance L 5, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C16, some resistance (resistance R13 ~ resistance R21).
The first end of the first end of power supply Vc contact resistance R16, the first end of resistance R14, the first end of resistance R13.
The colelctor electrode of the second end connecting triode T5 of resistance R16, the first end of resistance R17.
The colelctor electrode of the second end connecting triode T4 of resistance R14, the first end of electric capacity C12.Second end of electric capacity C12 connects the first end of electric capacity C11, the first end of inductance L 5; Second end of inductance L 5 connects electric capacity C13.The first end of the emitter stage contact resistance R15 of audion T4, the first end of electric capacity C15, the base stage of audion T5.
Second end of resistance R13 connects first end, the positive pole of diode D2, the base stage of audion T4 of electric capacity C14; Second termination of electric capacity C14 enters between inductance L 5 and electric capacity C13; The negative pole of diode D2 connects slide rheostat W1.
Second end of negative pole contact resistance R17 of operational amplifier IC5, the first end of resistance R21, second end of the positive pole contact resistance R18 of operational amplifier IC5, the first end of electric capacity C16, the first end of resistance R19, the first end of resistance R20; The first end of resistance R18 connects power supply Vc; Second termination of resistance R21 enters the outfan of operational amplifier IC5.The outfan of operational amplifier IC5 connects a/d converter, a/d converter connection handling device.
Described demagnetization unit 137 is in order to eliminate electromagnetic radiation; Demagnetization unit adopts three grades of filtering, active and passive in conjunction with two kinds of forms; One-level adopts active low-pass filter, and secondary adopts π type passive filter, and three grades adopt lonely unifrequent notch filter; Three grades of wave filter connect successively.
Refer to Fig. 6, demagnetization unit comprises audion T3, operational amplifier IC3, operational amplifier IC4, inductance L 1, inductance L 2, inductance L 3, inductance L 4, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10.
One end of inductance L 1 connects the first end of electric capacity C1, other end ground connection; The first end of the second end contact resistance R4 of electric capacity C1 and the base stage of audion T3, the grounded emitter of audion T3, second end of the colelctor electrode contact resistance R4 of audion T3, the first end of resistance R5, the first end of resistance R6; Second end of resistance R5 connects power supply Vc; The first end of the second end contact resistance R7 of resistance R6, the first end of electric capacity C2; The negative pole of the second end concatenation operation amplifier IC3 of resistance R7, the outfan of the second end concatenation operation amplifier IC3 of electric capacity C2, the first end of resistance R8; The first end of the positive pole contact resistance R9 of operational amplifier IC3, the first end of the outfan contact resistance R8 of operational amplifier IC3, the first end of electric capacity C3, the first end of inductance L 2; The first end of the second end contact resistance R9 of resistance R8; The second end ground connection of resistance R9.
The equal ground connection of second end of electric capacity C3, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8.Inductance L 2, electric capacity C4, inductance L 3, electric capacity C6, inductance L 4, electric capacity C9, electric capacity C10, resistance R12 connect successively; The first end of electric capacity C5 accesses between electric capacity C4, inductance L 3, and the first end of electric capacity C7 accesses between electric capacity C6, inductance L 4, and the first end of electric capacity C8 accesses between inductance L 4, electric capacity C9.
Between first end access electric capacity C9, electric capacity C10 of resistance R10, the negative pole of the second end concatenation operation amplifier IC4 of resistance R10 and signal output part out; Between first end access electric capacity C10, resistance R12 of resistance R11, the second end ground connection of resistance R11.The positive pole of the second end concatenation operation amplifier IC4 of resistance R12, the outfan connection signal outfan out of operational amplifier IC4.
Described processor 133, in order to process the working condition of whole control box, determines the work of each functional unit by sampling analysis.Comprise timing, metering, radiant intensity identification, safety limit detection, demagnetization control, duty instruction control, off working state instruction control.
Described output indicating member 134 is in order to the state by display lamp display electric knife, and whether instruction work is normal, and record service time.
Described output control unit 135, in order to control the output (adopting low power devices to control the output of electric knife) maintaining or cut off high-frequency signal, makes high frequency electric knife or LEEP cutter instrument inactivity export, cannot cut and organize.
In addition, described control box 13 also comprises signal trace recognition unit, in order to follow the tracks of and to identify radiation signal; Realize the monitoring to high frequency output and instruction, the duty of electric knife and the in good time adjustment to high-frequency energy during display operation in time, reach and export the best of patient's operation, prevent high-frequency energy from exporting excessive or too small.The watt level of high frequency electric knife or LEEP cutter instrument 2, directly causes the size of radiation, and needs when performing the operation to adjust output for different patients and different positions in good time, and signal trace recognition unit is used for realizing the demand.Signal trace recognition unit extracts the induced signal of radiation by electromagnetic wave induction coil, and amplified and AD conversion by signal, the classification of processor internal signal comes recording power intensity and radiant intensity.
Preferably, described control box also comprises anti-tampering unit 138, in order to prevent the mutual interference of signal between electric knife.
Described control box also comprises indicating member, is connected with output indicating member, in order to judge whether protector normally works, and by display lamp indicating operating status.
The present invention can allow secondary to use.The memorizer that described processor connects completes timing, metering function, when the service time preset not then, allow secondary to use, or prestore access times, allow to reuse when access times do not arrive setting value; Meanwhile, the requirement of demand fulfillment safety limit, allows repeatedly to use under safety limit.Processor can judge according to the sampled result of radiant intensity, if operating time is shorter, input power is little, and secondary can be allowed to use.
Electromagnetic radiation protector of the present invention can save electric energy, and control box adopts low energy-consumption electronic device; Meanwhile, the work indicating section of described protector adopts intermittent mode to power, the no function of processor and software Close All.In addition, dormancy holding state is in when not performing an operation.Verify by experiment, a joint 9V battery can be used for system cloud gray model more than 48 hours, can meet requirements of operation completely.
The present invention also discloses a kind of electric knife with electromagnetic radiation protection function, and described electric knife comprises the high frequency electric knife or LEEP cutter instrument 2, electromagnetic radiation protector, handle of a knife 3, power blade 4 that connect successively; Described electromagnetic radiation protector comprises the first plug 11, first transmission line 12, control box 13, second plug 14, second transmission line 15 that connect successively; Described first plug 11 connects high frequency electric knife respectively or LEEP cutter instrument 2, first transmission line 12, second transmission line 15 connects the second plug 14, handle of a knife 3 respectively.
Structure and the formation of the first plug 11, first transmission line 12, control box 13 can with reference to the descriptions of above associated solenoid radiation protector.
Embodiment two
The difference of the present embodiment and embodiment one is, in the present embodiment, electromagnetic radiation protector comprises startup trigger unit, disposable blocking unit, processor, output control unit (can not arrange demagnetization unit, radiant intensity sensing unit); Described processor connects startup trigger unit, disposable blocking unit, output control unit respectively, and disposable blocking unit also connects startup trigger unit.
In sum, the electromagnetic radiation protector that the present invention proposes and have the electric knife of electromagnetic radiation protection function, effectively can reduce the electromagnetic radiation of electric knife, radiant intensity is dropped within GB safety range.
Due to the instruments such as high frequency electric knife, LEEP cutter leave medical personnel in the position that operating room is placed and patient far away, harm is little, and the output lead of electric knife is held in doctor's hands, is used in patient, also record on the output line up to about 1500V electromagnetic radiation intensity, therefore the present invention is directed to output lead and shield.By the plug, socket, special close volume shielding line and the protective shielding device that make specially, radiant intensity is dropped within GB safety range.
The present invention, by starting up's recognition technology, is restricted to electromagnetic radiation protector and once uses, meet national nonrecoverable requirement.The present invention is that high frequency electric knife, LEEP cutter are special, and don't changes original operation technique flow process and surgical effect.In addition, this protector uses single chip microcomputer technology, and it is more reliable that intelligent management makes electromagnetic radiation protector shield.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or substitutive characteristics, the present invention can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the scope of the invention and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (2)
1. have an electric knife for electromagnetic radiation protection function, it is characterized in that, described electric knife comprises high frequency electric knife or LEEP cutter instrument, electromagnetic radiation protector, handle of a knife, power blade;
Described electromagnetic radiation protector comprises the first plug, the first transmission line, control box, the second plug, the second transmission line that connect successively;
Described first plug connects high frequency electric knife or LEEP cutter instrument, the first transmission line respectively, and the second transmission line connects the second plug, handle of a knife respectively;
Described first transmission line, the second transmission line include three layers of demagnetization layer, ground floor is wound around holding wire for adopting the close web material layer metal foiled paper of low-resistance from inside to outside, the second layer is adopt the close volume mesh materials of low-resistance to pass through the mode compact winding of winding outside ground floor, third layer is low resistance metal paper mold material, adopts the ultra-thin absorbing material of light weight to be wrapped in outside the second layer; Absorbing material is electromagnetic wave absorption effectively, suppresses electromagnetic radiation, makes it to be converted into heat energy, by three layers of shielding, reduces electromagnetic radiation, then by the demagnetization of demagnetization unit, makes electromagnetic radiation continue to reduce;
Described control box comprises startup trigger unit, disposable blocking unit, processor, radiant intensity sensing unit, demagnetization unit, exports indicating member, output control unit; Described processor connects startup trigger unit, disposable blocking unit, radiant intensity sensing unit, demagnetization unit respectively, exports indicating member, output control unit, and disposable blocking unit also connects startup trigger unit;
Described startup trigger unit is started working in order to control protector, comprises timing, metering exports;
Described disposable blocking unit forces single use in order to control protector, or restriction uses under timing, metering; Disposable blocking unit comprises single-chip microcomputer, relay, and single-chip microcomputer judges whether to reach blocking-up condition, if reach, sends signal, control relay power-off to relay;
Described radiant intensity sensing unit is in order to intercept radiation signal by induction coil, and quantization modulation is carried out to this signal, under the control of electronic potentiometer, produce level signal, compare with preset preset value in memory, then control access times by microprocessor according to safety limit;
Described demagnetization unit is in order to eliminate electromagnetic radiation; Demagnetization unit adopts three grades of filtering, active and passive in conjunction with two kinds of forms; One-level adopts active low-pass filter, and secondary adopts π type passive filter, three grades of employing notch filters; Three grades of wave filter connect successively;
Described processor, in order to process the working condition of whole control box, comprises timing, metering, radiant intensity identification, safety limit detection, demagnetization control, duty instruction control, off working state instruction control;
Described output indicating member is in order to the state by display lamp display electric knife;
Described output control unit, in order to control the output maintaining or cut off high-frequency signal, makes high frequency electric knife or LEEP cutter instrument inactivity export, cannot cut and organize.
2. the electric knife with electromagnetic radiation protection function according to claim 1, is characterized in that:
Start trigger unit and comprise button, resistance R1, resistance R2, audion T1, shaping chip IC 1, paraphase chip IC 2, the two ends of button are respectively by base stage, the colelctor electrode of resistance R1, resistance R2 connecting triode T1, the colelctor electrode of audion T1 connects the input of shaping chip IC 1, the outfan of shaping chip IC 1 connects the input of paraphase chip IC 2, the outfan connection handling device of paraphase chip IC 2;
Disposable blocking unit comprises resistance R3, diode D1, audion T2, relay, piezoelectric sensing element; Processor passes through the base stage of resistance R3 connecting triode T2, the collector connection relay of audion T2, diode D1, and relay connects piezoelectric sensing element;
Demagnetization unit comprises audion T3, operational amplifier IC3, operational amplifier IC4, inductance L 1, inductance L 2, inductance L 3, inductance L 4, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10;
One end of inductance L 1 connects the first end of electric capacity C1, other end ground connection; The first end of the second end contact resistance R4 of electric capacity C1 and the base stage of audion T3, the grounded emitter of audion T3, second end of the colelctor electrode contact resistance R4 of audion T3, the first end of resistance R5, the first end of resistance R6; Second end of resistance R5 connects power supply Vc; The first end of the second end contact resistance R7 of resistance R6, the first end of electric capacity C2; The negative pole of the second end concatenation operation amplifier IC3 of resistance R7, the outfan of the second end concatenation operation amplifier IC3 of electric capacity C2, the first end of resistance R8; The first end of the positive pole contact resistance R9 of operational amplifier IC3, the first end of the outfan contact resistance R8 of operational amplifier IC3, the first end of electric capacity C3, the first end of inductance L 2; The first end of the second end contact resistance R9 of resistance R8; The second end ground connection of resistance R9;
The equal ground connection of second end of electric capacity C3, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8; Inductance L 2, electric capacity C4, inductance L 3, electric capacity C6, inductance L 4, electric capacity C9, electric capacity C10, resistance R12 connect successively; The first end of electric capacity C5 accesses between electric capacity C4, inductance L 3, and the first end of electric capacity C7 accesses between electric capacity C6, inductance L 4, and the first end of electric capacity C8 accesses between inductance L 4, electric capacity C9;
Between first end access electric capacity C9, electric capacity C10 of resistance R10, the negative pole of the second end concatenation operation amplifier IC4 of resistance R10 and signal output part out; Between first end access electric capacity C10, resistance R12 of resistance R11, the second end ground connection of resistance R11; The positive pole of the second end concatenation operation amplifier IC4 of resistance R12, the outfan connection signal outfan out of operational amplifier IC4;
Radiant intensity sensing unit comprises a/d converter, operational amplifier IC5, audion T4, audion T5, diode D2, slide rheostat W1, inductance L 5, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C16, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21;
The first end of power supply Vc contact resistance R16, the first end of resistance R14, the first end of resistance R13; The colelctor electrode of the second end connecting triode T5 of resistance R16, the first end of resistance R17;
The colelctor electrode of the second end connecting triode T4 of resistance R14, the first end of electric capacity C12; Second end of electric capacity C12 connects the first end of electric capacity C11, the first end of inductance L 5; Second end of inductance L 5 connects electric capacity C13; The first end of the emitter stage contact resistance R15 of audion T4, the first end of electric capacity C15, the base stage of audion T5;
Second end of resistance R13 connects first end, the positive pole of diode D2, the base stage of audion T4 of electric capacity C14; Second termination of electric capacity C14 enters between inductance L 5 and electric capacity C13; The negative pole of diode D2 connects slide rheostat W1;
Second end of negative pole contact resistance R17 of operational amplifier IC5, the first end of resistance R21, second end of the positive pole contact resistance R18 of operational amplifier IC5, the first end of electric capacity C16, the first end of resistance R19, the first end of resistance R20; The first end of resistance R18 connects power supply Vc; Second termination of resistance R21 enters the outfan of operational amplifier IC5; The outfan of operational amplifier IC5 connects a/d converter, a/d converter connection handling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510718311.6A CN105193500B (en) | 2014-07-02 | 2014-07-02 | Electric knife with electromagnetic radiation protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312733.9A CN104027167B (en) | 2014-07-02 | 2014-07-02 | Electromagnetic radiation protector and there is the electric knife of electromagnetic radiation protection function |
| CN201510718311.6A CN105193500B (en) | 2014-07-02 | 2014-07-02 | Electric knife with electromagnetic radiation protection function |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410312733.9A Division CN104027167B (en) | 2014-07-02 | 2014-07-02 | Electromagnetic radiation protector and there is the electric knife of electromagnetic radiation protection function |
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| CN105193500A true CN105193500A (en) | 2015-12-30 |
| CN105193500B CN105193500B (en) | 2017-06-16 |
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| CN201510718311.6A Expired - Fee Related CN105193500B (en) | 2014-07-02 | 2014-07-02 | Electric knife with electromagnetic radiation protection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106333745B (en) * | 2016-10-21 | 2018-07-13 | 昆明医科大学第一附属医院 | Electric knife system based on biomedicine signals control |
| CN108635042A (en) * | 2018-03-20 | 2018-10-12 | 南昌华安众辉健康科技有限公司 | It is a kind of that time device and electric knife-pen are limited using electromagnetic sensor in limited time |
| CN116211455B (en) * | 2023-05-06 | 2023-07-07 | 安徽硕金医疗设备有限公司 | Magnetic resonance compatible microwave ablation instrument |
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| EP1197184A1 (en) * | 1997-07-02 | 2002-04-17 | Kabushikikaisha Nihon M.D.M | Apparatus for biological tissue treatment utilizing high frequency |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104027167B (en) | 2016-03-09 |
| CN105193500B (en) | 2017-06-16 |
| CN104027167A (en) | 2014-09-10 |
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