CN2555004Y - Internal micro-explosion crushing stone instrument - Google Patents
Internal micro-explosion crushing stone instrument Download PDFInfo
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- CN2555004Y CN2555004Y CN 02262006 CN02262006U CN2555004Y CN 2555004 Y CN2555004 Y CN 2555004Y CN 02262006 CN02262006 CN 02262006 CN 02262006 U CN02262006 U CN 02262006U CN 2555004 Y CN2555004 Y CN 2555004Y
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- blasting
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Abstract
The utility model relates to a micro-blasting lithotripter which employs the liquid-electrical method to crush internal calculus. The micro-blasting lithotripter consists of a host and a micro-blasting electrode. The host comprises a circuit unit for generating shock waves and a circuit unit for controlling the energy and trigger of the shock waves. The circuit unit for generating shock waves is formed by connecting a power coupler (1), a voltage regulator (2), a voltage- multiplier circuit (3) and a circuit (4) for generating micro-current high-frequency pulses in turn. The circuit unit for controlling the energy and trigger of the shock waves consists of a single-chip-computer central control circuit (6), an energy-selecting and function-setting circuit (7), an energy collection circuit (10 ), an A / D converter (8), a blasting-energy indication circuit (13), a manual or foot-operated trigger switch (9), a blasting trigger circuit (11), a circuit (12) for executing blasting and processing abnormal, an entire working-condition and unusual alarming indicator (14). The utility model has the advantages of good crushing effect, high security and convenient operation.
Description
Described technical field
This utility model relates to and a kind ofly smashes the Medical Instruments of calculi in vivo with the liquid electrical method, and specifically, it is by means of endoscope electrode to be imported to aim at calculus in the body, and micro-explosion lithotripter in a kind of body of calculus being pulverized by the moment high-frequency discharge of electrode.
Background technology
In prior art, according to bibliographical information, the instrument that carries out rubble in the body by means of endoscope mainly contains laser lithotripsy instrument, liquid electrical method lithotripter, wherein the disposable use of the optical fibers of laser lithotripsy instrument costs an arm and a leg, the patient is difficult to bear, and very strict, otherwise easily cause biliary duct injury, hemorrhage and perforation to the calculus positioning requirements.The special electrode that liquid electrical method lithotripter adopts high-energy shock wave to use, by fibrescope electrode is introduced in the body, under the supervision of endoscope, directly aim at calculus and produce high energy shock wave with electrode, allow calculus under the effect of continuous high energy shock wave, engender crack, cracking, fragmentation, until pulverizing.Zoopery and clinically all show this method calculifragous efficiency height, accurate positioning, little to the damage of surrounding tissue and internal organs is a kind of safe, effectively and cost-effective method.The liquid electrical method lithotripter of public use at present also rests on basically from principle and realizes on the level of rubble function, it is all perfect inadequately aspect lithotrity effect, safety, operation control, human computer conversation and the electrode structure of instrument, and because the rubble energy range is limited, it is only applicable to cholelithiasis, is not suitable for other calculus (as urinary system calculus etc.).
The content of utility model
The purpose of this utility model is the shortcoming at prior art, and a kind of all fairly perfect from lithotrity effect, safety, operation control, human computer conversation and electrode structure aspect and " body in micro-explosion lithotripter " that the scope of application is wide is provided.
For achieving the above object, solution of the present utility model is as follows:
Referring to Fig. 1, it is made up of main frame and micro-explosion electrode, comprises in the described main frame that shock wave produces circuit unit and shock wave energy and trigger control circuit unit; Described shock wave produces circuit unit and is connected and composed successively by power coupler (1), pressure regulator (2), voltage multiplying circuit (3) and little electric current high-frequency impulse generation circuit (4), the input and the electrical network of described power coupler join, and outfan and micro-explosion electrode (5) that described little electric current high-frequency impulse produces circuit join; Described shock wave energy and trigger control circuit unit have a single-chip microcomputer central control circuit (6), be connected to energy range selects and function setting circuit (7) in the input port of this single-chip microcomputer central control circuit, A/D converter (8) and manual control or foot control explosion trigger switch (9), the input of described A/D converter and energy acquisition circuit (10) join, the input of this energy acquisition circuit is connected on the outfan of voltage multiplying circuit, delivery outlet at described single-chip microcomputer central control circuit is connected to explosion circuits for triggering (11), explosion execution and abnormality processing circuit (12), blasting energy display circuit (13), complete machine duty and abnormal alarm indicator (14), the trigger end that the outfan of described explosion circuits for triggering and little electric current high-frequency impulse produce circuit joins, described explosion execution and abnormality processing circuit are made up of a relay and a discharge resistance that has two-way contact, a normally opened contact of this relay is connected on the outfan of power coupler as on and off switch, normally-closed contact of this relay be attempted by the input that little electric current high-frequency impulse produces circuit after discharge resistance is connected.
Described voltage multiplying circuit is connected and composed by 4-6 group capacitance voltage multiplier circuit in parallel, and described capacitance voltage multiplier circuit is connected and composed by five charging capacitors and unidirectional conducting diode.
Described micro-explosion electrode has an insulation sleeve, is provided with the electrode of two parallel arranged in this insulation sleeve, is provided with insulating barrier in these two electrodes, at described insulation sleeve front end a closing in type metal cap is housed.
By above-mentioned solution as can be seen, this utility model produces high voltage multiplying circuit in the circuit unit and little electric current high-frequency impulse by shock wave and produces circuit the shock wave energy of rubble has been carried out limiting more accurately, make this lithotripter can produce more effectively rubble shock wave, simultaneously, this circuit unit has also enlarged the energy adjustment scope, make this lithotripter not be only applicable to treat cholelithiasis, also applicable to treating as other bigger calculus such as renal calculuss; Moreover, shock wave energy of the present utility model and trigger control circuit unit have adopted Single Chip Microcomputer (SCM) system as the control core, and carrying out energy range with interactive mode of operation selects and function setting, make the rubble operation to select blasting energy exactly at the state of an illness (being the calculus type), simultaneously, in therapeutic process, can also write down the access times and the replacement cycle of surgery information, prompting electrode automatically and carry out abnormality processing and warning etc., make this instrument all obtain effective assurance aspect operation control and the safety.In addition, this utility model adopts the electrode structure of parallel arranged can make that electrode diameter reduces, toughness is strengthened, two interelectrode distances become, and adjustable, interpolar insulating properties is strengthened, the closing in metal cap of electrode front end can be controlled arcing distance and focused energy effectively, makes the rubble energy discharge more accurately.Therefore, this utility model have compared with the prior art that lithotrity effect is good, safe, operation, advantage such as easy to use.
Description of drawings
Fig. 1, circuit block diagram of the present utility model.
The schematic diagram of Fig. 2, power coupler, pressure regulator, voltage multiplying circuit, energy acquisition circuit and explosion execution and abnormality processing circuit.
The schematic diagram of Fig. 3, single-chip microcomputer central control circuit, A/D change-over circuit, explosion circuits for triggering.
The schematic diagram of Fig. 4, energy range selection and function setting circuit.
Fig. 5, little electric current high-frequency impulse produce the schematic diagram of circuit.
The structure cutaway view of Fig. 6, micro-explosion electrode.
The specific embodiment
Referring to Fig. 2; described power coupler (1) is connected and composed by isolating coupler TR1, fuse protection device FUSE; its input 1-1 ' connects～the 220V line voltage; the input of its outfan and pressure regulator joins; this pressure regulator (2) is a resistor voltage divider circuit that is connected and composed by potentiometer R1 and resistance R 2; by the input terminal voltage of regulator potentiometer R1 scalable subsequent voltage voltage-multiplying circuit, thus the output end voltage of control voltage voltage-multiplying circuit.In order to reach the micro-explosion energy requirement, described voltage voltage-multiplying circuit is connected and composed by 4-6 group capacitance voltage multiplier circuit (3.1) in parallel, this capacitance voltage multiplier circuit is connected and composed by five charging capacitor C1～C5 and five unidirectional conducting diode D1～D5, and the outfan of described voltage multiplying circuit joins by the input 2-2 ' that little electric current high-frequency impulse among a current-limiting resistance R3 and Fig. 5 produces circuit.Described explosion execution and abnormality processing circuit (12) are connected and composed by relay J DQ and peripheral cell D6, R18, a normally opened contact of this relay (1,2 foot) is connected on the outfan of power coupler (1) as on and off switch, a normally-closed contact of this relay (6,7 foot) be attempted by the input 2-2 ' that the little electric current high-frequency impulse of Fig. 5 produces circuit after discharge resistance R7 connects.Outfan at voltage multiplying circuit is connected to described energy acquisition circuit (10), this circuit is a potentiometer of being made up of resistance R 4, R5 and R6, and the voltage of this potentiometer outfan 4-4 ' joins as the single-chip microcomputer central control circuit among energy acquisition output voltage and Fig. 3.
Referring to Fig. 5, described little electric current high-frequency impulse produces circuit and is connected and composed by the storage capacitor CC that is connected in parallel on input 2-2 ' and the energy coupling follower TR2 and the thyristor module MFC that are serially connected in input 2-2 '.The outfan 3-3 ' of energy coupling follower wherein connects positive and negative electrode respectively, and described thyristor module MFC is equivalent to a gate-controlled switch, and its trigger end 7-7 ' joins with the single-chip microcomputer central control circuit of Fig. 3.
Referring to Fig. 3, described single-chip microcomputer central control circuit is connected and composed by single-chip microcomputer U1 and integrated device U3 and peripheral cell thereof, and integrated device U3 mainly finishes the monitoring of program and the encryption of systems soft ware.The signal of the energy acquisition outfan 4-4 ' output among Fig. 2 transmits by the isolation of precision photoelectric coupler U6, deliver to the input (2 foot) of A/D converter U4 from its 6 foot output signal, the signal of A/D converter output is delivered to the middle broken ends of fractured bone INT1 of single-chip microcomputer by its outfan (6 foot), change by Single-chip Controlling A/D, the energy video data is provided, and send energy shows signal Display output by its serial delivery outlet RXD, TXD, give LCD MODULE and show.What described manual switch or Foot-controlled switch Foot Switch met single-chip microcomputer U1 reads to hold RD, the end WR that writes of treatment switch Treat Switch and single-chip microcomputer joins, when the needs rubble, press the treatment switch earlier, make instrument be in waiting state, after promptly single-chip microcomputer is received the signal that provides of treatment switch, send the treatment waiting signal by its T0 end, this signal is held the control end (4 foot) of delivering to the relay J DQ Fig. 2 by driver U2E from 6-6 '.At this moment, the normally opened contact closure of relay J DQ, promptly 1,2 foot short circuits are equivalent to the on and off switch closure, simultaneously, the normally-closed contact of relay J DQ disconnects, promptly 6,7 feet open circuit is equivalent to disconnect the discharge loop that little electric current high-frequency impulse produces circuit (Fig. 5) storage capacitor CC, this moment, voltage multiplying circuit produces enough voltage makes little electric current high-frequency impulse produce storage capacitor CC charging in the circuit (Fig. 5), and then this circuit such as is at state to be excited; When the electrode alignment calculus needs rubble, press manual control or Foot-controlled switch, single-chip microcomputer will send triggering signal by its T1 end, this triggering signal is delivered to the trigger end 7-7 ' that little electric current high-frequency impulse produces the thyristor module in the circuit (Fig. 5) by driver U2D, photoelectrical coupler U5 and amplifier Q1, make thyristor module MFC conducting, then storage capacitor CC releases energy by output loop, this energy is delivered to electrode by the high frequency spike that energy coupling follower TR2 is transformed into the little electric current of high voltage, makes electrode produce the one-shot ripple; Be provided with according to programming, can manual control or foot control once, produce the one-shot ripple, also can manual control or foot control once, produce a string shock wave.At this instrument duration of work, single-chip microcomputer U1 detects voltage multiplying circuit (Fig. 2) output end voltage whether in the scope that sets at any time by the energy acquisition circuit, if do not exist, single-chip microcomputer will send the control end that the abnormality processing signal is delivered to the relay J DQ Fig. 2 from the T0 end, make the actuating of relay, promptly 1,2 feet disconnect and cut off the electricity supply, and 6,7 feet are closed and connect the discharge loop of storage capacitor CC, and storage capacitor CC is discharged rapidly.Be connected to wait display lamp Standby LED, treatment display lamp Tread LED and alarm lamp Alarm LED at the P1 of single-chip microcomputer mouth by driver U2A, B, C, these display lamps are installed on the panel of instrument, are used for the duty and the abnormal alarm of indicating instrument.
Referring to Fig. 6, described micro-explosion electrode has an insulation sleeve (15), in this insulation sleeve, be provided with electrode (16), (17) of two parallel arranged, in these two electrodes, be provided with insulating barrier (18), a closing in type metal cap (19) is housed at described insulation sleeve front end.
Referring to Fig. 4, energy range selection and function setting circuit are mainly used in finishes the human computer conversation, in order better to finish the human computer conversation and to improve the requirement of user to the various functions of instrument, this part circuit of this instrument has also adopted a single-chip computer control system, and this single-chip computer control system selects device U17, date and clock devices U13, Communication Interface Converter spare U12, U15, LCD MODULE U14 and keypad (20) to connect and compose by single-chip microcomputer U7, address latch U8, program storage U9, data storage U10, chart and waveform and parameter storage U11, sheet.The video data Display output of described single-chip microcomputer central control circuit (Fig. 3) output joins by the serial ports of Communication Interface Converter spare U12, U15 and single-chip microcomputer U7, in order to realize the exchanges data of these two Single Chip Microcomputer (SCM) system; Moreover, switch by the data of described Communication Interface Converter spare, can data be delivered to other computer system from Data Out end and carry out date processing and analysis.By single-chip microcomputer U7 control, realize the human computer conversation by liquid crystal display and keypad, dialogue mainly comprises following content:
Calculus type selecting such as A, the selection of carrying out the calculus kind and gallbladder system, urinary system show the energy range that dissimilar calculus recommendations are used.
B, write down surgery information automatically, comprise the calculus kind, use in energy and each patient's the body micro-explosion number of times etc., and can call the rubble data of consulting in the week at any time.
The access times and the replacement cycle of C, prompting micro-explosion electrode.
D, switching manual control and Foot-controlled switch, and can set automatic triggering.
E, setting energy adjustment step-length and energy parameter memory.
Claims (3)
1, micro-explosion lithotripter in a kind of body, it is made up of main frame and micro-explosion electrode, comprises a shock wave generation circuit unit and shock wave energy and trigger control circuit unit in the described main frame;
A, described shock wave produce circuit unit and are connected and composed successively by power coupler (1), pressure regulator (2), voltage multiplying circuit (3) and little electric current high-frequency impulse generation circuit (4), the input and the electrical network of described power coupler join, and outfan and micro-explosion electrode (5) that described little electric current high-frequency impulse produces circuit join; It is characterized in that:
B, described shock wave energy and trigger control circuit unit have a single-chip microcomputer central control circuit (6), be connected to energy range selects and function setting circuit (7) in the input port of this single-chip microcomputer central control circuit, A/D converter (8) and manual control or foot control explosion trigger switch (9), the input of described A/D converter and energy acquisition circuit (10) join, the input of this energy acquisition circuit is connected on the outfan of voltage multiplying circuit, delivery outlet at described single-chip microcomputer central control circuit is connected to explosion circuits for triggering (11), explosion execution and abnormality processing circuit (12), blasting energy display circuit (13), complete machine duty and abnormal alarm indicator (14), the trigger end that the outfan of described explosion circuits for triggering and little electric current high-frequency impulse produce circuit joins, described explosion execution and abnormality processing circuit are made up of a relay and a discharge resistance that has two-way contact, a normally opened contact of this relay is connected on the outfan of power coupler as on and off switch, normally-closed contact of this relay be attempted by the input that little electric current high-frequency impulse produces circuit after discharge resistance is connected.
2, micro-explosion lithotripter in the body as claimed in claim 1, it is characterized in that: described voltage multiplying circuit (3) is connected and composed by 4-6 group capacitance voltage multiplier circuit (3.1) in parallel, and described capacitance voltage multiplier circuit (3.1) is by five charging capacitors (C1～C5) and unidirectional conducting diode (D1～D5) connect and compose.
3, as micro-explosion lithotripter in claim 1, the 2 described bodies, it is characterized in that: described micro-explosion electrode has an insulation sleeve (15), in this insulation sleeve, be provided with electrode (16), (17) of two parallel arranged, in these two electrodes, be provided with insulating barrier (18), a closing in type metal cap (19) be housed at described insulation sleeve front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262006 CN2555004Y (en) | 2002-07-31 | 2002-07-31 | Internal micro-explosion crushing stone instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02262006 CN2555004Y (en) | 2002-07-31 | 2002-07-31 | Internal micro-explosion crushing stone instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2555004Y true CN2555004Y (en) | 2003-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02262006 Expired - Fee Related CN2555004Y (en) | 2002-07-31 | 2002-07-31 | Internal micro-explosion crushing stone instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2555004Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337562A (en) * | 2014-10-10 | 2015-02-11 | 江苏仁鸿医疗科技有限公司 | Special double-pole embedded cap directional microelectrode for invivo lithotriptor |
| CN106955139A (en) * | 2017-05-05 | 2017-07-18 | 浙江荣信医疗科技有限公司 | A kind of internal rubble instrument circuit and pulsed discharge lithotripsy method |
| CN107374696A (en) * | 2017-05-05 | 2017-11-24 | 浙江荣信医疗科技有限公司 | Lithotripter and its application method in a kind of endoscope-use body |
| CN108670407A (en) * | 2018-04-20 | 2018-10-19 | 朱宗刚 | A kind of ureteroscope with temperature sensor |
| CN109875643A (en) * | 2019-03-25 | 2019-06-14 | 中国工程物理研究院化工材料研究所 | A kind of intrusive interior therapeutic device based on miniature discharge-induced explosion |
| CN113081244A (en) * | 2021-05-14 | 2021-07-09 | 江苏邦士医疗科技有限公司 | Instrument is smashed to internal calculus |
-
2002
- 2002-07-31 CN CN 02262006 patent/CN2555004Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337562A (en) * | 2014-10-10 | 2015-02-11 | 江苏仁鸿医疗科技有限公司 | Special double-pole embedded cap directional microelectrode for invivo lithotriptor |
| CN104337562B (en) * | 2014-10-10 | 2020-04-21 | 南京万沣生物医学有限公司 | Special bipolar embedded cap directional microelectrode for intracorporeal lithotriptor |
| CN106955139A (en) * | 2017-05-05 | 2017-07-18 | 浙江荣信医疗科技有限公司 | A kind of internal rubble instrument circuit and pulsed discharge lithotripsy method |
| CN107374696A (en) * | 2017-05-05 | 2017-11-24 | 浙江荣信医疗科技有限公司 | Lithotripter and its application method in a kind of endoscope-use body |
| CN106955139B (en) * | 2017-05-05 | 2024-05-10 | 浙江维泰医疗器械有限公司 | In-vivo lithotripter circuit and pulse discharge lithotripter method |
| CN108670407A (en) * | 2018-04-20 | 2018-10-19 | 朱宗刚 | A kind of ureteroscope with temperature sensor |
| CN109875643A (en) * | 2019-03-25 | 2019-06-14 | 中国工程物理研究院化工材料研究所 | A kind of intrusive interior therapeutic device based on miniature discharge-induced explosion |
| CN113081244A (en) * | 2021-05-14 | 2021-07-09 | 江苏邦士医疗科技有限公司 | Instrument is smashed to internal calculus |
| CN113081244B (en) * | 2021-05-14 | 2023-10-20 | 邦士医疗科技股份有限公司 | In-vivo calculus smashing instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |