CN2827429Y - Hand nerve probe stimulation instrument - Google Patents
Hand nerve probe stimulation instrument Download PDFInfo
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- CN2827429Y CN2827429Y CNU2005201040267U CN200520104026U CN2827429Y CN 2827429 Y CN2827429 Y CN 2827429Y CN U2005201040267 U CNU2005201040267 U CN U2005201040267U CN 200520104026 U CN200520104026 U CN 200520104026U CN 2827429 Y CN2827429 Y CN 2827429Y
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Abstract
The utility model relates to a hand-hold nerve probe stimulation apparatus for a clinical surgical operation, which is composed of a control circuit, a D / A converting circuit, an energy storage boosted circuit, current-limiting resistance, a stimulating electrode (5), a keyboard (6), a display (7), a battery, a voltage-sdtabilizing circuit and a housing (10). The control circuit accepts the instructions of the keyboard and controls the converting circuit, and pulses with designated frequency, width and amplitude which are generated by the energy storage boosted circuit are exported to the stimulating electrode (5), and output signals of the D/A converting circuit are not enlarged by power and can be directly used as input signals of the energy storage boosted circuit. All circuit devices are sealed in the pen type minitype housing (10), and the stimulating electrode (5) is positioned at the pen point section of the pen type minitype housing (10). The utility model can be operated by a major operation doctor with one hand, the utility model has the advantages of simple and convenient operation and low power consumption, the power of the utility model is supplied by the battery and the safety problem of 220VAC power supply is avoided.
Description
Technical field
This utility model relates to a kind of nerve that is used for clinical surgery operation and surveys the stimulation instrument, and particularly relating to neural detection of a kind of hand-held stimulates instrument.
Background technology
At present, the applied neural stimulating apparatus of surveying is desk-top instrument in clinical surgery operation, its overall structure as shown in Figure 1, the electrical principle block diagram as shown in Figure 2, it is made of main frame and stimulating electrode two parts, the two must rely on cable to connect and transmit boost pulse, needs the hand-held stimulating electrode of operating doctor to survey patient's related neural position, another operator's operating host in the operation.In the operation process, the operator reports to operating doctor at any time with pulse strength, and presses the indication adjusting electric pulse intensity of operating doctor, and two people cooperate could implement operation.This mode causes complex operation and delay, is unfavorable for that operating doctor to directly monitoring of neural detection process realization, has therefore directly influenced surgical effect.In addition, this type of desk-top instrument all adopts the 220VAC mains-supplied, the digital quantity that the CPU computing is obtained connects the electric pulse that the power amplifier generation has certain intensity after D/A is converted to corresponding analog quantity, export to stimulating electrode again and act on human body after booster transformer boosts, its electrical security requirement height and power consumption are bigger.
The utility model content
The technical problems to be solved in the utility model provides a kind of main frame and stimulating electrode is integrated, do not need connection cord, do not need the 220VAC mains-supplied, can stimulate instrument by neural detection of the hand-held of operating doctor one man operation, and a kind of neural circuit that stimulates instrument of surveying of hand-held that is applicable to is provided.
Hand-held neural detection the of the present utility model stimulates instrument, comprising: control circuit, D/A change-over circuit, current-limiting resistance, stimulating electrode, keyboard, display, battery, mu balanced circuit and a shell.Control circuit receives keyboard instruction, control D/A change-over circuit produces the aanalogvoltage of corresponding amplitude, the pulse of assigned frequency, width and amplitude exports stimulating electrode to through current-limiting resistance, display is used for display control mode, output pulse strength and battery dump energy, and battery is powered to control circuit and D/A change-over circuit through mu balanced circuit.
For solving the problems of the technologies described above, hand-held neural detection the of the present utility model stimulates instrument also to comprise an energy storage booster circuit, the aanalogvoltage of D/A change-over circuit output is without power amplification, directly as the input of energy storage booster circuit, the pulse that control circuit control energy storage booster circuit produces assigned frequency, width and amplitude exports current-limiting resistance to; Controller circuitry, D/A change-over circuit, energy storage booster circuit, current-limiting resistance, keyboard, display, battery and mu balanced circuit are encapsulated in the miniature shell of pen type, and stimulating electrode is positioned at the nib position of the miniature shell of pen type.
As the hand-held neural preferred version that stimulates instrument energy storage booster circuit of surveying of this utility model, the energy storage booster circuit is by the energy storage current-limiting resistance, booster transformer, storage capacitor and gate-controlled switch are formed, the input of energy storage booster circuit is by the energy storage current-limiting resistance, the primary coil of booster transformer and gate-controlled switch constitute series loop, storage capacitor is parallel to the primary coil of booster transformer and the series circuit two ends that gate-controlled switch is formed, the closure of gate-controlled switch is controlled with the control signal that the controlled device of disconnection sends, the secondary coil of booster transformer is as the outfan of energy storage booster circuit, and gate-controlled switch is selected transistor switching circuit for use.
As the hand-held neural preferred version that stimulates instrument pen type structure of surveying of this utility model, keyboard and display lay respectively at the both sides of the miniature shell of described pen type.Wherein keyboard is positioned at close nib one side in stage casing of the miniature shell of pen type, is convenient to the operator and uses the thumb of the hands that grips neural detection stimulation instrument or the position that forefinger is operated; Display be positioned at the miniature shell of pen type away from nib one side, be convenient to the operator observes demonstration information in operation keyboard position, stimulating electrode and miniature shell of described pen type and its internal circuit socket connection can be pulled up from the miniature shell of pen type.
Hand-held neural detection the of the present utility model stimulates instrument owing to adopted all-in-one micro pen type structure, cancelled the connection cord between main frame and the stimulating electrode, can be by the operating doctor one man operation, even can one-handed performance, avoided the operational loaded down with trivial details and delay of desk-top neural detection stimulating apparatus of necessary two people operation fully, operating process is simplified, and is difficult for going wrong, and significantly improves operating efficiency and accuracy.
Hand-held neural detection the of the present utility model stimulates instrument circuit owing to omitted the power amplification link, simplify circuit, reduced power consumption, adopted battery powered, making whole circuit devcies be encapsulated in the micropen type shell becomes possibility, has also avoided the safety problem of 220VAC mains-supplied simultaneously.
Description of drawings
Fig. 1 is the neural overall structure of surveying stimulating apparatus of prior art.
Fig. 2 is the neural circuit structure of surveying stimulating apparatus of prior art.
Fig. 3 is the hand-held neural overall structure that stimulates instrument of surveying of this utility model.
Fig. 4 is the hand-held neural circuit structure that stimulates instrument of surveying of this utility model.
The specific embodiment
In a population structure embodiment of the present utility model shown in Figure 3, hand-held neural detection of this utility model hand holding type miniature stimulates components and parts controller 1, D/A change-over circuit 2, energy storage booster circuit 3, current-limiting resistance 4, keyboard 6, display 7, battery 8 and the mu balanced circuit 9 of instrument to be encapsulated in the miniature shell 10 of pen type, stimulating electrode 5 is installed on the nib position of the miniature shell of pen type, the length of the total approximately length with a pen is suitable, can be placed in the coat pocket.
Doctor's one hand is held this instrumentation, pushes button 15, circuit start, and display 7 shows the start interface.
Present embodiment has that two kinds of mode of operations---manual mode and automatic mode are available.
Selecting to push button 16 under the manual mode state, produce boost pulse, whenever to press once, the intensity of boost pulse increases one-level, up to reaching the intensity that the doctor wishes.Can write down four groups of manual pulse strength historical datas.
When selecting automatic mode, be equipped with the increasing velocity of two grades of boost pulse intensity of speed, the doctor can select a certain increasing velocity according to the practical situation of operation, and when pushing button 16 the time, boost pulse will increase the output pulse strength one by one by selected increasing velocity; When pushing button once more 16 the time, boost pulse keeps current intensity to continue output.Can write down four groups of autompulse intensity historical datas.
The display 7 of present embodiment adopts the LCD liquid crystal display, is used for display control mode, output pulse strength and battery dump energy.Display 7 be positioned at the miniature shell 10 of described pen type away from nib one side, so that the operator observes displaying contents in the button 15,16,17 of operation keyboard 6, stimulating electrode 5 and miniature shell 10 of described pen type and its internal circuit socket connection, can pull up from the miniature shell 10 of pen type, so that disinfection.
In a circuit embodiments of the present utility model shown in Figure 4, CPU is the control core of whole system as control circuit 1, keyboard 6 and liquid crystal display 7 are as peripheral input-output equipment, control circuit 1 is accepted to carry out computing from the instruction of keyboard 6, produce corresponding pulse strength digital quantity, be converted to the analog quantity of corresponding level through D/A change-over circuit 2, the analog quantity of D/A change-over circuit 2 outputs directly enters energy storage booster circuit 3 without power amplification.Energy storage booster circuit 3 is made up of energy storage current-limiting resistance 11, booster transformer 12, storage capacitor 13 and gate-controlled switch 14, and gate-controlled switch 14 adopts transistor switching circuit.The input of energy storage booster circuit 3 constitutes series loop through the primary coil and the gate-controlled switch 14 of energy storage current-limiting resistance 11, booster transformer 12, storage capacitor 13 is parallel to the primary coil of booster transformer 12 and the series circuit two ends that gate-controlled switch 14 is formed, the closure of gate-controlled switch 14 is controlled with the control signal that the controlled device 1 of disconnection sends, and the secondary coil of booster transformer 12 is as the outfan of energy storage booster circuit 3.The analog quantity of input energy storage booster circuit 3 through energy storage current-limiting resistance 11 to storage capacitor 13 charging stored energys, gate-controlled switch 14 disconnections this moment, when storage capacitor 13 is stored enough electric fluxs, 14 conductings of controller 1 control gate-controlled switch, storage capacitor 13 is to pulse of primary coil discharge output of booster transformer 12.Controller 1 is regulated the working cycle and the conduction duration of gate-controlled switch 14, the width and the cycle of control output pulse.The pulse of storage capacitor 13 discharge generation is exported by stimulating electrode 5 through current-limiting resistance 4 through the amplitude of booster transformer 12 its level of increase.Because the low power dissipation design of present embodiment circuit, battery 8 can adopt button cell.
This utility model is not limited to above-mentioned specific embodiment.After fully having understood the technical solution of the utility model and the foregoing description; the technical staff of this professional field can carry out various modifications on profile, layout and the circuit base of present embodiment and components and parts are replaced; therefore, this utility model comprises all embodiment that drop in the claim protection domain.
Claims (8)
1, a kind of hand-held neural detection that is used for clinical surgery operation stimulates instrument, comprising:
Control circuit (1), D/A change-over circuit (2), current-limiting resistance (4), stimulating electrode (5), keyboard (6), display (7), battery (8), mu balanced circuit (9) and a shell (10);
Control circuit (1) receives keyboard (6) instruction, control D/A change-over circuit (2) produces the aanalogvoltage of corresponding amplitude, the pulse of assigned frequency, width and amplitude exports stimulating electrode (5) to through current-limiting resistance (4), display (7) display control mode, output pulse strength and battery dump energy, battery (8) is powered to control circuit (1) and D/A change-over circuit (2) through mu balanced circuit;
It is characterized in that: also comprise an energy storage booster circuit (3), directly as the input of energy storage booster circuit (3), the pulse that control circuit (1) control energy storage booster circuit (3) produces assigned frequency, width and amplitude exports current-limiting resistance (4) to the aanalogvoltage of D/A change-over circuit (2) output; Controller circuitry (1), D/A change-over circuit (2), energy storage booster circuit (3), current-limiting resistance (4), keyboard (6), display (7), battery (8) and mu balanced circuit (9) are encapsulated in the miniature shell of pen type, and stimulating electrode (5) is positioned at the nib position of the miniature shell of pen type (10).
2, hand-held neural detection the according to claim 1 stimulates instrument, it is characterized in that, described energy storage booster circuit (3) is by energy storage current-limiting resistance (11), booster transformer (12), storage capacitor (13) and gate-controlled switch (14) are formed, the input of energy storage booster circuit is by energy storage current-limiting resistance (11), the primary coil of booster transformer (12) and gate-controlled switch (14) constitute series loop, storage capacitor (13) is parallel to the primary coil of booster transformer (12) and the series circuit two ends that gate-controlled switch (14) is formed, the closure of gate-controlled switch (14) is controlled with the control signal that the controlled device of disconnection (1) sends, and the secondary coil of booster transformer (12) is as the outfan of energy storage booster circuit (3).
3, hand-held neural detection the according to claim 2 stimulates instrument, it is characterized in that described gate-controlled switch (14) is a transistor switching circuit.
4, stimulate instrument according to any one hand-held neural detection of claim 1～3, it is characterized in that, described keyboard (6) is positioned at the stage casing of the miniature shell of pen type (10) near nib one side, is convenient to the operator with gripping the neural thumb of the hands that stimulates instrument or the position of forefinger operation surveyed.
5, hand-held neural detection the according to claim 4 stimulates instrument, it is characterized in that, the button (17) of the button (15) of control circuit start and stop, the button (16) of setting pulse strength and selection mode of operation is arranged on the described keyboard (6).
6, stimulate instrument according to any one hand-held neural detection of claim 1～3, it is characterized in that, described display (7) be positioned at the miniature shell of pen type (10) away from nib one side, be convenient to the operator observes demonstration information in operation keyboard (6) position.
7, hand-held neural detection the according to claim 6 stimulates instrument, it is characterized in that described display (7) is the LCD liquid crystal display.
8, stimulate instrument according to any one hand-held neural detection of claim 1～3, it is characterized in that described stimulating electrode (5) and miniature shell of described pen type (10) and its internal circuit socket connection can be pulled up from the miniature shell of pen type (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201040267U CN2827429Y (en) | 2005-08-16 | 2005-08-16 | Hand nerve probe stimulation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201040267U CN2827429Y (en) | 2005-08-16 | 2005-08-16 | Hand nerve probe stimulation instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2827429Y true CN2827429Y (en) | 2006-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201040267U Expired - Fee Related CN2827429Y (en) | 2005-08-16 | 2005-08-16 | Hand nerve probe stimulation instrument |
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| CN (1) | CN2827429Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102958564A (en) * | 2011-06-28 | 2013-03-06 | 中国科学院自动化研究所 | Functional electrical stimulation system |
| CN101990420B (en) * | 2008-04-10 | 2013-05-29 | 爱尔伯电子医疗设备公司 | Surgical apparatus comprising a nerve testing device |
| CN106361406A (en) * | 2016-10-13 | 2017-02-01 | 武汉大学 | Multi-angle visual high-intensity and high-toughness intelligent ceramic needle knife |
| CN106377298A (en) * | 2016-10-13 | 2017-02-08 | 武汉大学 | Visual high-strength high-toughness intelligent ceramic needle knife |
| CN106377299A (en) * | 2016-10-13 | 2017-02-08 | 武汉大学 | High-strength high-toughness self-sensing intelligent ceramic needle knife |
| CN108078545A (en) * | 2017-12-28 | 2018-05-29 | 中山大学附属第医院 | A kind of exchange electro photoluminescence pen |
| CN108852351A (en) * | 2018-08-01 | 2018-11-23 | 江苏百宁盈创医疗科技有限公司 | A kind of neuroprobe needle that can perceive contact condition |
-
2005
- 2005-08-16 CN CNU2005201040267U patent/CN2827429Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101990420B (en) * | 2008-04-10 | 2013-05-29 | 爱尔伯电子医疗设备公司 | Surgical apparatus comprising a nerve testing device |
| CN102958564A (en) * | 2011-06-28 | 2013-03-06 | 中国科学院自动化研究所 | Functional electrical stimulation system |
| CN102958564B (en) * | 2011-06-28 | 2014-08-20 | 中国科学院自动化研究所 | Functional electrical stimulation system |
| CN106361406A (en) * | 2016-10-13 | 2017-02-01 | 武汉大学 | Multi-angle visual high-intensity and high-toughness intelligent ceramic needle knife |
| CN106377298A (en) * | 2016-10-13 | 2017-02-08 | 武汉大学 | Visual high-strength high-toughness intelligent ceramic needle knife |
| CN106377299A (en) * | 2016-10-13 | 2017-02-08 | 武汉大学 | High-strength high-toughness self-sensing intelligent ceramic needle knife |
| CN106377298B (en) * | 2016-10-13 | 2019-01-18 | 武汉大学 | A kind of visualization high-intensity and high-tenacity intelligent ceramic needle knife |
| CN106361406B (en) * | 2016-10-13 | 2019-01-29 | 武汉大学 | A kind of multi-angle visible high-intensity and high-tenacity intelligent ceramic needle knife |
| CN108078545A (en) * | 2017-12-28 | 2018-05-29 | 中山大学附属第医院 | A kind of exchange electro photoluminescence pen |
| CN108852351A (en) * | 2018-08-01 | 2018-11-23 | 江苏百宁盈创医疗科技有限公司 | A kind of neuroprobe needle that can perceive contact condition |
| WO2020024642A1 (en) * | 2018-08-01 | 2020-02-06 | 江苏百宁盈创医疗科技有限公司 | Nerve detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061018 Termination date: 20090916 |