CN201101814Y - Constant current source of prostate cavity interventional therapeutic apparatus - Google Patents
Constant current source of prostate cavity interventional therapeutic apparatus Download PDFInfo
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- CN201101814Y CN201101814Y CNU2007200380595U CN200720038059U CN201101814Y CN 201101814 Y CN201101814 Y CN 201101814Y CN U2007200380595 U CNU2007200380595 U CN U2007200380595U CN 200720038059 U CN200720038059 U CN 200720038059U CN 201101814 Y CN201101814 Y CN 201101814Y
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- 230000001225 therapeutic effect Effects 0.000 title abstract description 8
- 210000002307 prostate Anatomy 0.000 title abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000002560 therapeutic procedure Methods 0.000 claims description 11
- 210000002837 heart atrium Anatomy 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract 2
- 230000006378 damage Effects 0.000 description 7
- 239000003814 drug Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 4
- 238000002651 drug therapy Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 201000007094 prostatitis Diseases 0.000 description 3
- 210000003708 urethra Anatomy 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000017074 necrotic cell death Effects 0.000 description 2
- 230000036407 pain Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000589 cicatrix Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000013546 non-drug therapy Methods 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 208000017497 prostate disease Diseases 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 230000037314 wound repair Effects 0.000 description 1
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Abstract
A constant current source of prostate cavity interventional therapeutic apparatus mainly comprises a 2-24V voltage stabilizing source, a relay contact switch, a 20-80 mA current stabilizing source, a singlechip, a control circuit, a current detection circuit, a constant current source, a sampling circuit and an interface communication circuit, the input end of 2-24V voltage-stabilizing source is connected with 28V DC power supply, the output end of 2-24V voltage-stabilizing source is connected with input end of 20-80 mA current-stabilizing source by means of relay switch, the output end of 20-80 mA current-stabilizing source is connected with positive electrode of electrode plug V of intracavity interventional catheter, the DACO end of single-chip computer is connected with control end of 20-80 mA current-stabilizing source by means of constant current source, the negative electrode of electrode plug V is connected with negative electrode of power supply by means of resistor and connected with CURR end of single-chip computer by means of current detection circuit, so that it provides a constant current source of intelligent DC constant current source controlled by microcomputer for "prostate intracavity interventional therapeutic instrument".
Description
Technical field
This utility model relates to the constant-current source of interventional therapy instrument in a kind of atrium, belongs to the control device with computer, is particularly suitable for treating prostatitis and other prostatosis.
Background technology
Prostatosis is that male common frequently-occurring disease, particularly prostatitis are recent green grass or young crops, prime of life male's frequently-occurring diseases.Usually prostatitic treatment is divided into operative treatment, Drug therapy and non-operation non-drug therapy three classes, based on Drug therapy, though Drug therapy is dangerous little but need take medicine for a long time, medicine stops recurrence often, can not effect a radical cure, treatment get up be take effect slow, the time is long, expense is high and health is developed immunity to drugs.Operative treatment is painful greatly, severe postoperative influences quality of life, particularly concerning young and middle-aged patient, does not adopt this method substantially.Domestic and international in recent years various heating therapy of rising, as methods such as the radio frequency of the rectangular wave of the microwave source of microwave 2450MHz frequency and 0.2MHz and infrared ray is to rely in the urethra that electric field intensity generation heat effect plays therapeutical effect between annular electrode and body surface plate electrode, once obtained 60% short term effect, but because its treatment-temperature is all between 43C-48C, can not kill prostate antibacterial and tissue, so still belong to the physical therapy scope, can not reach the purpose of healing, bring up to more than the 60C if will treat temperature, though can cure but pain seriously needs carry out under anesthesia, must consider urethra cooling problem for preventing to damage simultaneously, certain danger be arranged as misoperation.The nineties, China has carried out the research work of " electrochemical treatment of malignant tumour ", achievement in research shows " in the electrochemotherapy treatment; the irreversible damage of the producible maximum of electrode needle is that center radius is not more than 10mm with the electrode; the irreversible damage in the radius 10mm enlarges gradually with the increase damage range of treatment electric weight; but damage reaches beyond the electrode behind the 10mm radius, no matter increases and how much treats electric weight, damage range all no longer enlarges ".
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned weak point of the prior art, " constant-current source of interventional therapy instrument in the atrium " of the micro-processor controlled intelligent DC constant-current source of a kind of usefulness to be provided.
The constant-current source of interventional therapy instrument in the atrium of the present utility model, mainly include the 2-24V source of stable pressure, the relay tip change-over switch, the 20-80mA constant-current source, single-chip microcomputer, control circuit, current detection circuit, constant-current source, sample circuit and interface communication circuit, wherein the input of 2-24V source of stable pressure is connected with the 28V dc source, the outfan of 2-24V source of stable pressure is connected through the input of relay switch with the 20-80mA constant-current source, 20-80mA constant-current source outfan is connected with the positive pole of the electrode plug V of intracavity interposing catheter, the DACO end of single-chip microcomputer is connected through the control end of constant-current source with the 20-80mA constant-current source, the negative pole of electrode plug V connects power cathode and is connected through the CURR of current detection circuit and single-chip microcomputer end through resistance, the negative pole of electrode plug V also is connected with the VOLT end of single-chip microcomputer through voltage attenuation resistance, the CUT end of single-chip microcomputer is connected with relay coil through control circuit, the RXD of single-chip microcomputer is connected with the TIN end with the ROUT of interface communication circuit respectively with the TXD end, and the RIN of interface communication circuit can be connected with the PCRXD end with the PCTXD of microcomputer or host computer respectively through connector JP1 with the TOUT end.
Described source of stable pressure mainly is made up of integrated adjustable regulator block T6 and 2 audion T1 and T5; Control circuit mainly is made up of audion T3 and relay; Current detection circuit mainly is made up of resistance R 3 and operational amplifier U1A; Constant-current source mainly is made up of operational amplifier U1B; Constant-current source mainly is made up of audion T2 and T4; Sample circuit mainly is made up of resistance R 1 and R2, and sound and light alarm mainly is made up of buzzer B and light-emitting component LED.
Described interface communication circuit single-chip microcomputer is selected MCS-51 series or MCS-96 series or C type single-chip microcomputer for use, and the interface communication circuit is selected MAX232 type general-purpose interface for use, and adjustable regulator block selects for use LM317T to form the source of stable pressure that rises slowly of 2-24V, and operational amplifier is selected LMV358 for use.
Advantage of the present utility model is:
Because the constant-current source of this utility model intracavity interventional therapy instrument, aspect the treatment circuit, because prime adopts source of stable pressure, and constant-current source is adopted in the intraluminal catheter power supply, it is the processing of circuit unit that single-chip microcomputer is set simultaneously, microcomputer is control, show, save as a series of advanced persons' such as treatment circuit of core technical measures, the clinical together proof of forming with intraluminal catheter of the scorching therapeutic instrument of prostate disease can be provided at the 25-80mA scope for the treatment prostatosis, the adjustable treatment electric current that is not subjected to load variations, and then elimination patient's untoward reaction, make it safe and reliable, receive treatment under the basic no pain condition, do not produce the hot injury, only to carrying out killing and wounding of electrolysis liquefaction in the 10mm around the intraluminal catheter, cause the moisture in the tissue, proteinic electrolysis makes the prostate sick body irreversible necrosis occur, come off, the liquid medicine infiltration sick body of sending into simultaneously, mostly being mucosa after the wound repair covers, the soft difficult generation of cicatrix is narrow, can kill the sick body antibacterial through treatment in 1-2 hour, and the tissue beyond the 10mm does not have any physiological effect around the counter electrode, be difficult for recurrence so cure the back, one-time cure rate can reach more than 85%.Simultaneously in therapeutic process to parameters such as voltage, electric current, electric weight control in real time, demonstration, record, carry out sound and light alarm when open circuit, short circuit and the electric weight of intraluminal catheter reached preset value, cut off running voltage and electric current automatically.It is low to have inexpensive cost, the advantage of promoting the use of easily.
Description of drawings
Fig. 1 is this utility model treatment schematic block circuit diagram;
Fig. 2 is the main signal annexation circuit diagram among Fig. 1.
Among the figure: 1, source of stable pressure; 2, relay tip change-over switch; 3, sample circuit; 4, constant-current source; 5, single-chip microcomputer; 6, control circuit; 7, current detection circuit; 8, constant-current source; 9, interface communication circuit.
The specific embodiment
Accompanying drawing is non-limiting to disclose a specific embodiment of the present utility model, and the utility model will be further described below in conjunction with accompanying drawing.
The enforcement of operation of the present utility model is described in conjunction with the accompanying drawings, and warning light, on and off switch, electric current fine setting button, intraluminal catheter lead-out terminal are arranged on the housing face-plate of therapeutic instrument machine, and rear board has supply socket and fuse holder.Therapeutic instrument also comprises microcomputer and printer, finishes the setting of treatment electric current, the setting of coulomb amount and the setting of case form by computer keyboard.
Dc constant current power supply comprises 2-24V source of stable pressure 1, relay tip change-over switch 2,20-80mA constant-current source 4, single-chip microcomputer 5, control circuit 6, current detection circuit 7, constant-current source 8, sample circuit 3 and interface communication circuit 9, wherein the input of 2-24V source of stable pressure 1 is connected with the 28V dc source, the outfan of 2-24V source of stable pressure 1 is connected through the input of relay tip change-over switch 2 with 20-80mA constant-current source 4,20-80mA constant-current source 4 outfans are connected with the positive pole of the electrode plug V of intracavity interposing catheter, the DACO end of single-chip microcomputer 5 is connected through the control end of constant-current source with 20-80mA constant-current source 4, the negative pole of electrode plug V connects power cathode and is connected through the CURR of current detection circuit 7 and single-chip microcomputer 5 end through resistance, the negative pole of electrode plug V also is connected with the VOLT end of single-chip microcomputer 5 through voltage attenuation resistance, the CUT end of single-chip microcomputer 5 is connected with relay coil through control circuit 6, the RXD of single-chip microcomputer 5 is connected with the TIN end with the ROUT of interface communication circuit 9 respectively with the TXD end, and the RIN of interface communication circuit 9 can be connected with the PCRXD end with the PCTXD of microcomputer or host computer respectively through connector JP1 with the TOUT end; Source of stable pressure 1 mainly is made up of integrated adjustable regulator block T6 and 2 audion T1 and T5; Control circuit 6 mainly is made up of audion T3 and relay; Current detection circuit 7 mainly is made up of resistance R 3 and operational amplifier U1A; Constant-current source mainly is made up of operational amplifier U1B; Constant-current source 4 mainly is made up of audion T2 and T4; Sample circuit 3 mainly is made up of resistance R 1 and R2, and sound and light alarm mainly is made up of buzzer B and light-emitting component LED; The single-chip microcomputer 5 of interface communication circuit 9 is selected MCS-51 series or MCS-96 series or C type single-chip microcomputer for use, interface communication circuit 9 is selected MAX232 type general-purpose interface for use, adjustable regulator block selects for use LM317T to form the source of stable pressure that rises slowly of 2-24V, and operational amplifier is selected LMV358 for use.
When this utility model used, patient sent to prostatitic sick body position accurately with atrium inner catheter per urethra under simple anesthesia, and without any assist location such as B ultrasonic, X lines, its outfan plug links to each other with the respective terminal of utility model.Write case, predetermined treatment electric weight, electric current etc. and get final product begin treatment after ready, in therapeutic process, the treatment electric current is under patient's self adaptation situation, bring up to 50-80mA gradually, sick body constantly produces reaction refuse, bubble and normal saline in electrolytic process and the continuous flushing of liquid medicine makes sick body resistance value (load) constantly change in case set up, under the effect of constant-current source, make operating current keep invariable
As when the sick body resistance decreasing, diminish by making after the constant-current source 18 sampling feedback processing that conduit both end voltage V is also corresponding, also the phase strain is big to make V when sick body resistance becomes big, makes electric current I stable.The A/D of U2 single-chip microcomputer constantly compares fix time by formula the multiply each other electric weight coulomb value of the coulomb value that draws this moment and setting of the I that reads in and timer internal, and when two values equate to make, the U2 delivery outlet sends the signal enabling alarm signal and cuts off operating current.When treatment, the therapeutic instrument operating circuit can be controlled in real time, show, print each parameter.After the treatment of given treatment electric weight, make prostatitic sick body tissue generation liquefaction necrosis and coming off directly sick body to be applied the corresponding treatment medicine then, substantially can be to the prostatitis one-time cure.
Claims (3)
1. the constant-current source of interventional therapy instrument in the atrium, it is characterized in that described dc constant current power supply comprises the 2-24V source of stable pressure, the relay tip change-over switch, the 20-80mA constant-current source, single-chip microcomputer, control circuit, current detection circuit, constant-current source, sample circuit and interface communication circuit, wherein the input of 2-24V source of stable pressure is connected with the 28V dc source, the outfan of 2-24V source of stable pressure is connected through the input of relay switch with the 20-80mA constant-current source, 20-80mA constant-current source outfan is connected with the positive pole of the electrode plug V of intracavity interposing catheter, the DACO end of single-chip microcomputer is connected through the control end of constant-current source with the 20-80mA constant-current source, the negative pole of electrode plug V connects power cathode and is connected through the CURR of current detection circuit and single-chip microcomputer end through resistance, the negative pole of electrode plug V also is connected with the VOLT end of single-chip microcomputer through voltage attenuation resistance, the CUT end of single-chip microcomputer is connected with relay coil through control circuit, the RXD of single-chip microcomputer is connected with the TIN end with the ROUT of interface communication circuit respectively with the TXD end, and the RIN of interface communication circuit can be connected with the PCRXD end with the PCTXD of microcomputer or host computer respectively through connector JP1 with the TOUT end.
2. the constant-current source of interventional therapy instrument in the atrium as claimed in claim 1 is characterized in that described source of stable pressure mainly is made up of integrated adjustable regulator block T6 and 2 audion T1 and T5; Control circuit mainly is made up of audion T3 and relay; Current detection circuit mainly is made up of resistance R 3 and operational amplifier U1A; Constant-current source mainly is made up of operational amplifier U1B; Constant-current source mainly is made up of audion T2 and T4; Sample circuit mainly is made up of resistance R 1 and R2, and sound and light alarm mainly is made up of buzzer B and light-emitting component LED.
3. interventional therapy instrument in the atrium as claimed in claim 1 or 2, it is characterized in that described interface communication circuit single-chip microcomputer selects MCS-51 series or MCS-96 series or C type single-chip microcomputer for use, the interface communication circuit is selected MAX232 type general-purpose interface for use, adjustable regulator block selects for use LM317T to form the source of stable pressure that rises slowly of 2-24V, and operational amplifier is selected LMV358 for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200380595U CN201101814Y (en) | 2007-05-29 | 2007-05-29 | Constant current source of prostate cavity interventional therapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200380595U CN201101814Y (en) | 2007-05-29 | 2007-05-29 | Constant current source of prostate cavity interventional therapeutic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201101814Y true CN201101814Y (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200380595U Expired - Fee Related CN201101814Y (en) | 2007-05-29 | 2007-05-29 | Constant current source of prostate cavity interventional therapeutic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201101814Y (en) |
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2007
- 2007-05-29 CN CNU2007200380595U patent/CN201101814Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU NEW DISTRICT HUASHENG MEDICAL INSTRUMENT CO Free format text: FORMER OWNER: SUZHOU XINQU HUASHENG MEDICAL INSTRUMENTS FACTORY Effective date: 20121213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121213 Address after: 215129 No. 185-19, Songshan Road, New District, Jiangsu, Suzhou Patentee after: SUZHOU NEW DISTRICT HUASHENG MEDICAL INSTRUMENT FACTORY Address before: 215129 No. 268 red industrial park, New District, Jiangsu, Suzhou Patentee before: Suzhou Xinqu Huasheng Medical Instrument Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080820 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |