CN101248987A - Intrauterine device shape change monitoring system - Google Patents
Intrauterine device shape change monitoring system Download PDFInfo
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- CN101248987A CN101248987A CNA2008100450046A CN200810045004A CN101248987A CN 101248987 A CN101248987 A CN 101248987A CN A2008100450046 A CNA2008100450046 A CN A2008100450046A CN 200810045004 A CN200810045004 A CN 200810045004A CN 101248987 A CN101248987 A CN 101248987A
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- intrauterine device
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Abstract
The invention discloses a system for monitoring deformation in an intrauterine device (IUD), which comprises an IUD deformation sensor, preposed signal conditioning modules, a power supply circuit and a computer system. The IUD deformation sensor is at least two groups of metal coils which adhere to the device at one side of the IUD surface horizontally and the at least two groups of metal coils are in non-electrical connection and fixedly connected as a whole by covering latex or silicon rubber thereon. Two lead-out wires of each group of the metal coils are gathered at the bottom of the IUD, connected with the corresponding preposed signal conditioning modules after being led out, and then connected with the computer system. The system for monitoring deformation of IUD, can not only sense and transmit the deformation of the uterine cavity of a female and the pressure of uterine muscles applied to the IUD through the IUD deformation sensor, but also process the obtained signals to form visual images and data through the preposed signal conditioning modules and the computer system, thereby not only providing doctors with relatively-accurate reference for selection of the shape and the size of IUD for individual women, but also filling the blank in the related technology field.
Description
Technical field
The invention belongs to human body body inner plane deformation monitoring technical field, be specifically related to uterus intrauterine device shape change monitoring system in a kind of female body body, can understand the caused deformation situation of pressure of all directions that women's uterus muscle applies the birth control apparatus of putting into wherein by it.
Background technology
Along with a series of problems that world population increases severely and brings, the research of the method that avoids conception and control birth is subjected to paying attention to widely already, especially in China.One of measure that enforcement avoids conception and control birth is exactly to take the means of practising contraception accordingly.
Laying body-accommodating with it but can influence the difform birth control apparatus of its bearing status in the intravital cavity of uterus of female body, is exactly effective contraception means as circular rings, uterus shape contraceptive ring, T shape ring etc.But because the doctor is when selecting the birth control apparatus of coupling, often according to some external informations of this women who is obtained, as bearing status, height etc. decide, and the uterus uterine cavity interior size of this women's reality, birth control apparatus but can not be learnt in utero stressing conditions and stressed situation of change, thereby select the birth control apparatus lay to occur coming off or depart from its effectively contraception position with regard to the shape that is not suitable for its uterine cavity about 10% and stressing conditions are arranged, finally cause contraceptive failure, this not only brings great injury to female body, and the effectiveness of intrauterine device contraception is affected.
Summary of the invention
The objective of the invention is also not detect the inner uterus muscle of women to placing birth control apparatus applied pressure wherein at prior art, make it the deformation that produced with and the defective of the monitoring system of situation of change, and a kind of intrauterine device shape change monitoring system that design provides.
For reaching the intrauterine device shape change monitoring system that the object of the invention provides, it is characterized in that this monitoring system comprises intrauterine device pick off, advance signal conditioning module and computer system, the intrauterine device pick off is connected with computer system with the advance signal conditioning module with joint successively by lead therebetween, and wherein n is 1～9 positive integer.
Wherein the intrauterine device pick off is to be bonded with the wire coil that at least 2 groups do not have electric connecting relation on the body of existing birth control apparatus plane one side, all wire coils are positioned at same horizontal plane mutually, its two lead-out wires respectively organizing wire coil are concentrated from the lower end of birth control apparatus and are drawn, and link to each other with the advance signal conditioning module of mating separately.Existing birth control apparatus can be circular rings, uterus shape contraceptive ring or T shape ring.
When selecting uterus shape contraceptive ring, the intrauterine device pick off is exactly to be bonded with 3～9 groups of wire coils that do not have electric connecting relation on the ring body of shape birth control apparatus plane, existing palace one side, all wire coils are positioned at same horizontal plane mutually, its common outer rim shape and palace shape birth control apparatus form fit that forms, the bonding mutually cavity top that suspends and be positioned at palace shape birth control apparatus of remainder, each is organized two lead-out wires of wire coil and draws from the lower end of palace shape birth control apparatus is concentrated, and links to each other with the advance signal conditioning module of mating separately.
Because women's cervical orifice is generally all less, make intrauterine device shape change pick off of the present invention can as the such more or less freely distortion of intrauterine device to enter in the cavity of uterus by cervical orifice smoothly, can keep restoring force preferably again, can return to the original form rapidly after making it enter cavity of uterus, so that finish the task of power-electricity conversion smoothly, the wire coil that the present invention is bonded on the body of birth control apparatus plane one side can not be too hard, otherwise can't enter in the cavity of uterus by cervical orifice smoothly, again can not be too soft, otherwise can not return to original shape rapidly after entering cavity of uterus, just can't finish the task of impression conduction smoothly, thus the present invention to be bonded in every group of wire coil on the body of intrauterine device plane one side all be to be that the metal wire coiling of 0.02～0.2mm forms by 3～30 loop diameters.In general, the number of turns of coiling is many, and it is littler that the wire diameter of selection is wanted, otherwise, then want big.
Wire coil both can have been selected the comparatively cheap copper core of price, aluminum core line, the coiling of nickel heart yearn for use in the intrauterine device shape change pick off of the present invention, also can select the higher gold, silver heart yearn coiling of conductivity as required for use.
In order to protect the lead-out wire of exposed wire coil, outside the lead-out wire of concentrating the wire coil of drawing, be with a soft conduit.
Better for the globality that makes intrauterine device shape change pick off provided by the invention, whole wire coil in the pick off of the present invention and intrauterine device are coated by latex or silica gel and are fixed with one.
Each advance signal conditioning module of mating one by one with every group of wire coil of intrauterine device shape change pick off among the present invention all is to constitute by oscillating circuit or by the oscillating circuit that is connected successively, shaping circuit, frequency dividing circuit and photoelectric coupled circuit.
Oscillating circuit is a LC bikini oscillating circuit, is made up of the inductance coil on the intrauterine device pick off, operational amplifier, two oscillating capacitances;
Shaping circuit is an audion paraphase shaping circuit, is made up of audion, base stage current-limiting resistance and load resistance;
Frequency dividing circuit is 16 frequency dividing circuits, is made up of branch frequency circuit;
Photoelectric coupled circuit is made up of photo-coupler, input current-limiting resistance and load resistance, and signal is isolated the back through photoelectricity and exported by the 5th foot by the input of photo-coupler the 1st foot.
Above oscillating circuit, shaping circuit, frequency dividing circuit, photoelectric coupled circuit also can be made up of other electronic devices and components, as long as can produce corresponding conditioning functions.
All advance signal conditioning module all link to each other with computer system.
The power supply of advance signal conditioning module of the present invention can be provided by the external power supply that meets this module normal working voltage requirement.
Computer system among the present invention is made up of data collecting card, Treatment Analysis software and general purpose computer, and wherein, the data collecting card input is connected with the advance signal conditioning module, and Treatment Analysis software is installed in the general purpose computer.Treatment Analysis software comprises:
In the time period of the certain-length of setting, read the step of the frequency signal of data collecting card output continuously;
Calculate the step that in several time periods of setting, reads the meansigma methods of the frequency data that obtain;
Meansigma methods calibration that previous step is obtained and the step of storing the temporal information in this value and the data acquisition operating process automatically;
The frequency values that obtains in the previous action by corresponding arithmetical operation, is drawn that change curve on the interface that current frequency values reflects departs from the shift value of initial curve and by the step that is applied to the force value on the coil that displacement-pressure curve relation obtains;
The shift value that calculates and force value are reflected to step on the interface.
When the intrauterine device shape change pick off in being placed in women's cavity of uterus will send oscillating circuit to by interface because of the variation that inductance value after stressed each coil generation deformation takes place, the oscillating circuit sine wave that it will be vibrated, the sine wave that oscillating circuit produces can directly be sent into the data collecting card in the computer system, be impulse wave by shaping circuit with sine wave shaped perhaps, the pulse signal that the shaping circuit shaping goes out is sent into frequency dividing circuit and is carried out delivering to behind the frequency division back level light idol circuit again and the prime signal is carried out photoelectricity isolate, and the pulse signal of photoelectric coupled circuit output is sent into the data collecting card in the computer system.Sending into the data of data collecting card handles by Treatment Analysis software, obtain the frequency values behind the sinusoidal wave frequency division that current oscillating circuit produces, demonstrate the change of shape curve of the intrauterine device shape change pick off of current frequency values correspondence again by the graphical interfaces of general purpose computer display screen, the doctor can be according to the pressure data analysis of obtaining, detect the stressed situation of change of cavity of uterus, selects the birth control apparatus of suitable shape and size thereof to the women.
The present invention has the following advantages:
1, since intrauterine device shape change monitoring system provided by the invention can be by design the pressure condition of intrauterine device shape change pick off all directions that women's uterus muscle is applied the birth control apparatus of putting into wherein carry out the perception conduction, can obtaining signal be reduced to figure and data intuitively by the advance signal conditioning module of back level setting and the interpretation software of computer system again, not only select the birth control apparatus of difformity, size that relatively accurate reference is provided, and filled up the blank of this technical field for the doctor gives the women that the contraception demand is arranged.
2, owing to can detect the intrauterine stressing conditions in uterus by intrauterine device shape change monitoring system provided by the invention, thereby the birth control apparatus that selection is laid more can be fit to the physical condition of female individual, be not prone to and come off, depart from it and effectively cause the phenomenon of contraceptive failure in contraception position, can avoid bringing injury to female body.
3, intrauterine device shape change monitoring system design provided by the invention is ingenious, simple in structure, and it is all very convenient that intrauterine device shape change pick off is wherein laid taking-up.
Description of drawings
Fig. 1 is that system of the present invention connects block diagram;
Fig. 2 is a kind of circuit principle structure block diagram of the present invention;
Fig. 3 is an another kind of circuit principle structure block diagram of the present invention;
Fig. 4 is the structural representation of intrauterine device shape change pick off of the present invention;
A kind of structural representation that Fig. 5 analyses and observe for Fig. 4 A-A;
The another kind of structural representation that Fig. 6 analyses and observe for Fig. 4 A-A;
The third structural representation that Fig. 7 analyses and observe for Fig. 4 A-A;
Fig. 8 is the B-B sectional structure sketch map of Fig. 5 or Fig. 6 or Fig. 7;
Fig. 9 is the circuit diagram of advance signal conditioning module of the present invention;
Figure 10 is a power circuit diagram of the present invention.
The specific embodiment
Providing embodiment below in conjunction with accompanying drawing further specifies so that the present invention is made; but given embodiment can not be interpreted as limiting the scope of the invention, thereby nonessential improvement and adjustment that the professional and technical personnel has done according to the content and the design philosophy of the invention described above also should belong to protection scope of the present invention.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment is a palace shape birth control apparatus changing sensor, specifically is made of palace shape birth control apparatus 4 and wire coil 5, sees Fig. 4,8.Palace shape birth control apparatus 4 is commercially available, can select large, medium and small model as required.Wire coil 5 present embodiments are 3 groups, form for the copper core coiling that the 0.06mm outer surface is coated with insulating barrier by 13 loop diameters respectively, and be divided into by the shape of palace shape birth control apparatus 1, a left side, right three tunnel levels are bonded on the body of palace shape birth control apparatus 4 planes one side, see Fig. 5, and make the profile coupling of these 3 groups of coils, 5 common outer rim shapes that form and palace shape birth control apparatus 4, the bonding mutually cavity top that suspends and be positioned at palace shape birth control apparatus 4 of remainder, each is organized two lead-out wires 6 of wire coil 5 and draws from the lower end of palace shape birth control apparatus 4 is concentrated, its outer soft conduit 7 that is socketed with.Better for the globality that makes palace provided by the invention shape birth control apparatus changing sensor 1, the whole wire coil 5 in the pick off that present embodiment provides is also coated by natural emulsion 8 with palace shape birth control apparatus 4 and is fixed with one.Palace shape birth control apparatus changing sensor 1 links to each other with 3 advance signal conditioning module 2-1,2-2,2-3 mating separately by 6 lead-out wires 6 of wire coil 5.
Constitute by the oscillating circuit 2-1-1, the 2-2-1 that are connected successively, 2-3-1, shaping circuit 2-1-2,2-2-2,2-3-2, frequency dividing circuit 2-1-3,2-2-3,2-3-3 and photoelectric coupled circuit 2-1-4,2-2-4,2-3-4 with each advance signal conditioning module 2-1,2-2, the 2-3 of every group of wire coil 5 couplings, see Fig. 2.Because concrete oscillating circuit 2-1-1,2-2-1,2-3-1, shaping circuit 2-1-2,2-2-2,2-3-2, frequency dividing circuit 2-1-3,2-2-3,2-3-3 and photoelectric coupled circuit 2-1-4,2-2-4,2-3-4 is identical in each advance signal conditioning module, as shown in Figure 9, thereby, for for simplicity, below be that example provides embodiment just with the circuit that is adhered to the advance signal conditioning module 2-1 that palace shape birth control apparatus 4 left road wire coils 5 lead-out wires 6 link to each other.Also it should be noted that in addition, because present embodiment and wire coil 5 corresponding oscillating circuit, shaping circuit, frequency dividing circuit and photoelectric coupled circuit should be respectively three the tunnel, so " n " correspondence of each electronic component that marks among Fig. 9 just should be " 3 ".
Oscillating circuit 2-1-1 present embodiment is a LC bikini oscillating circuit, is made up of the inductance coil on the intrauterine device pick off 15, operational amplifier, two oscillating capacitance C101, C102.The model that the operational amplifier present embodiment is selected for use is AD811, left map 5 lead-out wires 6 of uterine cavity-shaped changing sensor 4 insert by interface JL1 and are outfan and its reverse input end that bikini is connected in operational amplifier with oscillating capacitance C101, C102 again, and sine wave vibrates.
Shaping circuit 2-1-2 present embodiment is an audion paraphase shaping circuit, specifically form by audion 2SC9018, base stage current-limiting resistance R102 and load resistance R103, base stage current-limiting resistance R102 and transistor base series connection, load resistance R103 connects with audion 2SC9018 colelctor electrode, audion 2SC9018 grounded emitter, shaped pulse signal is exported by audion 2SC9018 colelctor electrode.
Frequency dividing circuit 2-1-3 present embodiment is 16 frequency dividing circuits, and 74LS293 forms by branch frequency circuit, and signal is imported by the 10th foot, and signal is exported by the 8th foot behind the frequency division.
Photoelectric coupled circuit 2-1-4 present embodiment is made up of photo-coupler 4N25, input current-limiting resistance R104 and load resistance R101, signal is imported by photo-coupler 4N25 the 1st foot, isolating the back through photoelectricity is exported by the 5th foot, current-limiting resistance R104 is serially connected with the 1st foot of photo-coupler, and load resistance R101 is connected between photo-coupler the 5th foot and the power supply.
Power circuit as shown in figure 10, be by on and off switch K1, transformator TB1, rectifier bridge B1 and B2, filter capacitor CP1 and CP5, high-frequency bypass capacitor CP2 and CP6, circuit of three-terminal voltage-stabilizing integrated LM7805 and LM7905 and positive-negative power indication LED P LED1 and PLED2, current-limiting resistance RP1 and RP2 and each advance signal conditioning module 2-1,2-2, the power filter of each integrated circuit among the 2-3 and high-frequency bypass capacitor are formed, transformator TB1 is converted to two groups of 8V alternating current power supplys with the 220V electric main earlier, by two rectifier bridge B1 and B2 and two filter capacitor CP1 and CP5 alternating current power supply is converted to the dc source of positive 5V and negative 5V then, is each advance signal conditioning module 2-1,2-2,2-3 provides dc supply.And each advance signal conditioning module 2-1,2-2, the power filter of each integrated circuit among the 2-3 and high-frequency bypass capacitor are all identical because of its composition, easy in order to narrate, with filtering and high-frequency bypass capacitor in the place in circuit of left road wire coil is the example explanation, be that capacitor C 104 and C105 are the filter capacitor and the high-frequency bypass capacitor of operational amplifier A D811 negative supply among Figure 10, capacitor C 106 and C108 are the filter capacitor and the high-frequency bypass capacitor of AD811 positive supply, capacitor C 107 and C109 are power filter and the high-frequency bypass capacitor of frequency dividing circuit 74LS293, and filtering and high-frequency bypass capacitor then omit and do not state in the place in circuit of other wire coil.
The computer system 3 of present embodiment is made up of data collecting card PCI-6601 (production of National Instruments company), Treatment Analysis software and general purpose computer, wherein, data collecting card PCI-6601 is plugged on the general purpose computer mainboard PCI slot, its input is connected with advance signal conditioning module 2-1,2-2,2-3, and Treatment Analysis software is installed in the general purpose computer.Treatment Analysis software comprises:
In the time period of the certain-length of setting, read the frequency signal of data collecting card PCI-6601 output continuously;
Calculate the meansigma methods that in several time periods of setting, reads the frequency data that obtain, finish the operation of a data acquisition, and temporal information and frequency data of this collection of record automatically;
Previous step is obtained meansigma methods add or deduct a numerical value, make the first frequency values of its frequency meter that equals software set, the frequency data that collect are mapped in the frequency meter of software set, after in the time of setting, having gathered a secondary data, automatically carry out data acquisition next time, the data that collect are afterwards all done the operation that adds accordingly or deduct this numerical value;
The frequency values that obtains in the previous action again by corresponding arithmetical operation, is drawn change curve on the interface that current frequency values reflects and departs from the shift value of initial curve and be applied to force value on the coil by what displacement-pressure curve relation obtained;
The shift value and the force value that calculate are reflected on the interface, shift value is indicated the depart from size of this moment of respective sets coil of uterine cavity-shaped changing sensor 1 on the interface with respect to its initial position, and force value reflects the suffered pressure size of corresponding this group coil of current uterine cavity-shaped changing sensor 1;
Treatment Analysis software also can be stored data and the corresponding temporal information thereof that obtains as required in time gatherer process, so that certain Information Monitoring of playback history, that is, on the interface, demonstrate the simulation change of shape and the pressure data variation of pick off 1 in time gatherer process.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by natural emulsion 8 and to be fixed with one, see Fig. 4,5,8, but identical because of its structure and embodiment 1, do not state so omit.The uterine cavity-shaped changing sensor of present embodiment as different from Example 1, the wire coil 5 of present embodiment is formed for the copper core coiling that the 0.05mm outer surface is coated with insulating barrier by 15 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are not stated so omit because of identical with embodiment 1 yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by natural emulsion 8 and to be fixed with one, see Fig. 4,5,8, but identical because of its structure and embodiment 1, do not state so omit.Present embodiment as different from Example 1, the wire coil 5 of present embodiment is formed for the copper core coiling that the 0.06mm outer surface is coated with insulating barrier by 8 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are not stated so omit because of identical with embodiment 1 yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor also is to be made of palace shape birth control apparatus 4, wire coil 5, and is fixed with one by silica gel 8 coatings, sees Fig. 4,5,8, but identical because of its structure and embodiment 1, do not state so omit.Present embodiment as different from Example 1, the wire coil 5 of present embodiment is formed for the copper core coiling that the 0.12mm outer surface is coated with insulating barrier by 6 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are not stated so omit because of identical with embodiment 1 yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by natural emulsion 8 and to be fixed with one, see Fig. 4,5,8, but identical because of its structure and embodiment 1, do not state so omit.Present embodiment as different from Example 1, the wire coil 5 of present embodiment is formed for the copper core coiling that the 0.09mm outer surface is coated with insulating barrier by 10 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are not stated so omit because of identical with embodiment 1 yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by natural emulsion 8 and to be fixed with one, see Fig. 4,5,8, but identical because of its structure and embodiment 1, do not state so omit.Present embodiment as different from Example 1, the wire coil of present embodiment is formed for the copper core coiling that the 0.09mm outer surface is coated with insulating barrier by 12 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are not stated so omit because of identical with embodiment 1 yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by natural emulsion 8 and to be fixed with one, see Fig. 4,5,8, but identical because of its structure and embodiment 1, do not state so omit.Present embodiment as different from Example 1, the wire coil 5 of present embodiment is formed for the copper core coiling that the 0.15mm outer surface is coated with insulating barrier by 8 loop diameters respectively.
Each advance signal conditioning module 2-n of present embodiment and every group of wire coil 5 couplings only is made up of oscillating circuit 2-1-1,2-2-1,2-3-1, sees Fig. 3.Because concrete oscillating circuit 2-1-1,2-2-1,2-3-1 is identical in each advance signal conditioning module, as shown in Figure 9, thereby, for for simplicity, below be that example provides embodiment just with the circuit that is adhered to the advance signal conditioning module 2-1 that palace shape birth control apparatus 4 left road wire coils 5 lead-out wires 6 link to each other.The oscillating circuit 2-1-1 of present embodiment also is a LC bikini oscillating circuit, also is made up of the inductance coil on the intrauterine device pick off 15, operational amplifier, two oscillating capacitance C101, C102.The model that the operational amplifier present embodiment is selected for use also is AD811, left map 5 lead-out wires 6 of uterine cavity-shaped changing sensor 4 insert by interface JL1 and are outfan and its reverse input end that bikini is connected in operational amplifier with oscillating capacitance C101, C102 again, the sine wave that vibrates, and by directly being sent to computer system 3 after the output of oscillating circuit AD811 the 6th foot.
The power circuit of present embodiment is substantially the same manner as Example 1, just only has C104, C204, C304, C105, C205, C305, C106, C206, C306, C108, C208 and C308 to offer three corresponding operational amplifier A D811 as power filtering capacitor and high-frequency bypass capacitor.
The computer system of present embodiment is not stated so omit because of identical with embodiment 1 yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, and palace shape birth control apparatus changing sensor 1 also is to be made of palace shape birth control apparatus 4, wire coil 5, shown in Fig. 4,6,8.Palace shape birth control apparatus 4 is commercially available, also can select large, medium and small model as required.The wire coil 5 of present embodiment is 6 groups as different from Example 1, form for the copper core coiling that the 0.10mm outer surface is coated with insulating barrier by 6 loop diameters respectively, and be divided into by the shape of palace shape birth control apparatus 4, a left side, right each two tunnel level are bonded on the body of palace shape birth control apparatus 4 planes one side, see Fig. 6, and make the profile coupling of these 6 groups of coils, 5 common outer rim shapes that form and palace shape birth control apparatus 4, the bonding mutually cavity top that suspends and be positioned at palace shape birth control apparatus 4 of remainder, each is organized two lead-out wires 6 of wire coil 5 and draws from the lower end of palace shape birth control apparatus 4 is concentrated, its outer soft conduit 7 that is socketed with.Better for the globality that makes intrauterine device shape change pick off 1 provided by the invention, the whole wire coil 5 in the pick off that present embodiment provides is also coated by polyurethane latex 8 with palace shape birth control apparatus 4 and is fixed with one.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are substantially the same manner as Example 1, it is 6 1. just because of advance signal conditioning module 2-n with wire coil 5 couplings, be that n is 1～6, so " n " of the electronic devices and components label among Fig. 9 should be " 6 " thereupon; 2. power filter and the high-frequency bypass capacitor for each integrated circuit in each advance signal conditioning module (2-n) also should increase to corresponding number thereupon in the power circuit.Remaining is not stated so omit then because of identical yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor 1 also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by natural emulsion 8 and to be fixed with one, see Fig. 4,6,8, but identical because of its structure and embodiment 8, do not state so omit.Present embodiment as different from Example 8, the wire coil 5 of present embodiment is formed for the copper core coiling that the 0.09mm outer surface is coated with insulating barrier by 8 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are substantially the same manner as Example 1, it is 6 1. just because of advance signal conditioning module 2-n with wire coil 5 couplings, be that n is 1～6, so " n " of the electronic devices and components label among Fig. 9 should be " 6 " thereupon; 2. power filter and the high-frequency bypass capacitor for each integrated circuit among each advance signal conditioning module 2-n also should increase to corresponding number thereupon in the power circuit.Remaining is not stated so omit then because of identical yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is made up of intrauterine device pick off 1, advance signal conditioning module 2-n, power circuit and computer system 3.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Shown in Fig. 4,7,8, intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, and palace shape birth control apparatus changing sensor 1 also is to be made of palace shape birth control apparatus 4, wire coil 5.Palace shape birth control apparatus 4 is commercially available, also can select large, medium and small model as required.Wire coil 5 is 9 groups, form for the copper core coiling that the 0.18mm outer surface is coated with insulating barrier by 3 loop diameters respectively, and by the shape of palace shape birth control apparatus 4 be divided into, left and right each three tunnel level are bonded on the ring body of palace shape birth control apparatus 4 planes one side, see Fig. 7, and make the profile coupling of common outer rim shape that forms of these 9 groups of coils and palace shape birth control apparatus 4, the bonding mutually cavity top that suspends and be positioned at palace shape birth control apparatus 4 of remainder, each is organized two lead-out wires 6 of wire coil 5 and draws from the lower end of palace shape birth control apparatus 4 is concentrated, its outer soft conduit 7 that is socketed with.Better for the globality that makes palace provided by the invention shape birth control apparatus changing sensor 1, the whole wire coil 5 in the pick off that present embodiment provides is also coated by natural emulsion 8 with palace shape birth control apparatus 4 and is fixed with one.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are substantially the same manner as Example 1, it is 9 1. just because of advance signal conditioning module 2-n with wire coil 5 couplings, be that n is 1～9, so " n " of the electronic devices and components label among Fig. 9 should be " 9 " thereupon; 2. power filter and the high-frequency bypass capacitor for each integrated circuit among each advance signal conditioning module 2-n also should increase to corresponding number thereupon in the power circuit.Remaining is not stated so omit then because of identical yet.
As shown in Figure 1, the intrauterine device shape change monitoring system that provides of present embodiment is that 2-n, power circuit and computer system 3 are formed by intrauterine device pick off 1, advance signal conditioning module.Intrauterine device pick off 1 is connected with computer system 3 with advance signal conditioning module 2-n with joint successively by lead therebetween.
Intrauterine device pick off 1 present embodiment also is a palace shape birth control apparatus changing sensor, palace shape birth control apparatus changing sensor 1 also is to be made of palace shape birth control apparatus 4, wire coil 5, and coat by silica gel 8 and to be fixed with one, see Fig. 4,7,8, but identical because of its structure and embodiment 10, do not state so omit.Present embodiment as different from Example 10, the wire coil 5 of present embodiment is formed for the silver-colored heart yearn coiling that the 0.02mm outer surface is coated with insulating barrier by 28 loop diameters respectively.
Advance signal conditioning module 2-n, power circuit and the computer system 3 of present embodiment are substantially the same manner as Example 1, it is 9 1. just because of advance signal conditioning module 2-n with wire coil 5 couplings, be that n is 1～9, so " n " of the electronic devices and components label among Fig. 9 should be " 9 " thereupon; 2. power filter and the high-frequency bypass capacitor for each integrated circuit among each advance signal conditioning module 2-n also should increase to corresponding number thereupon in the power circuit.Remaining is not stated so omit then because of identical yet.
Claims (10)
1, a kind of intrauterine device shape change monitoring system, it is characterized in that this monitoring system comprises intrauterine device pick off (1), advance signal conditioning module (2-n) and computer system (3), intrauterine device pick off (1) is connected with computer system (3) with advance signal conditioning module (2-n) with joint successively by lead therebetween, and wherein n is 1～9 positive integer.
2, intrauterine device shape change monitoring system according to claim 1, it is characterized in that intrauterine device pick off (1) is to be bonded with at least 2 groups not have the wire coil of electric connecting relation (5) on the body of birth control apparatus (4) plane one side, all wire coils (5) are positioned at same horizontal plane mutually, its two lead-out wires (6) of respectively organizing wire coil (5) are concentrated from the lower end of birth control apparatus (4) and are drawn, and link to each other with the advance signal conditioning module (2-n) of mating separately.
3, intrauterine device shape change monitoring system according to claim 1, it is characterized in that the intrauterine device pick off is to be bonded with 3～9 groups of wire coils (5) that do not have electric connecting relation on the body of palace shape birth control apparatus (4) plane one side, all wire coils (5) are positioned at same horizontal plane mutually, its common outer rim shape and palace shape birth control apparatus (4) form fit that forms, the bonding mutually cavity top that suspends and be positioned at palace shape birth control apparatus (4) of remainder, each is organized two lead-out wires (6) of wire coil (5) and draws from the lower end of palace shape birth control apparatus (4) is concentrated, and links to each other with the advance signal conditioning module (2-n) of mating separately.
4,, it is characterized in that every group of wire coil (5) is is that the metal wire coiling of 0.02～0.2mm forms by 3～30 loop diameters according to claim 2 or 3 described intrauterine device shape change monitoring systems; Each organizes the outer soft conduit (7) that is with of lead-out wire (6) of wire coil (5); Whole wire coil (5) is coated by latex or silica gel (8) with birth control apparatus (4) and is fixed with one.
5,, it is characterized in that with each advance signal conditioning module (2-n) of every group of wire coil (5) coupling all be to be constituted or be made of the oscillating circuit that is connected successively (2-n-1), shaping circuit (2-n-2), frequency dividing circuit (2-n-3) and photoelectric coupled circuit (2-n-4) by oscillating circuit (2-n-1) according to claim 1 or 2 or 3 described intrauterine device shape change monitoring systems.
6, intrauterine device shape change monitoring system according to claim 4 is characterized in that with each advance signal conditioning module (2-n) of every group of wire coil (5) coupling all be to be constituted or be made of the oscillating circuit that is connected successively (2-n-1), shaping circuit (2-n-2), frequency dividing circuit (2-n-3) and photoelectric coupled circuit (2-n-4) by oscillating circuit (2-n-1).
7, intrauterine device shape change monitoring system according to claim 5 is characterized in that:
Oscillating circuit (2-n-1) is a LC bikini oscillating circuit, is by the inductance coil (5) on the intrauterine device pick off (1), operational amplifier (AD811), two oscillating capacitance C
101, C
102Form;
Shaping circuit (2-n-2) is an audion paraphase shaping circuit, is made up of audion 2SC9018, base stage current-limiting resistance R102 and load resistance R103;
Frequency dividing circuit (2-n-3) is 16 frequency dividing circuits, and 74LS293 forms by branch frequency circuit;
Photoelectric coupled circuit (2-n-4) is made up of photo-coupler 4N25, input current-limiting resistance R104 and load resistance R101, and signal is isolated the back through photoelectricity and exported by the 5th foot by the input of photo-coupler 4N25 the 1st foot.
8, intrauterine device shape change monitoring system according to claim 6 is characterized in that:
Oscillating circuit (2-n-1) is a LC bikini oscillating circuit, is by the inductance coil (5) on the intrauterine device pick off (1), operational amplifier (AD811), two oscillating capacitance C
101, C
102Form;
Shaping circuit (2-n-2) is an audion paraphase shaping circuit, is made up of audion 2SC9018, base stage current-limiting resistance R102 and load resistance R103;
Frequency dividing circuit (2-n-3) is 16 frequency dividing circuits, and 74LS293 forms by branch frequency circuit;
Photoelectric coupled circuit (2-n-4) is made up of photo-coupler 4N25, input current-limiting resistance R104 and load resistance R101, and signal is isolated the back through photoelectricity and exported by the 5th foot by the input of photo-coupler 4N25 the 1st foot.
9, according to claim 1 or 2 or 3 described intrauterine device shape change monitoring systems, it is characterized in that computer system 3 is made up of data collecting card PCI-6601, Treatment Analysis software and general purpose computer, wherein, data collecting card PCI-6601 input is connected with advance signal conditioning module (2-n), Treatment Analysis software is installed in the general purpose computer, and Treatment Analysis software comprises:
In the time period of the certain-length of setting, read the step of the frequency signal of data collecting card output continuously;
Calculate the step that in several time periods of setting, reads the meansigma methods of the frequency data that obtain;
Meansigma methods calibration that previous step is obtained and the step of storing the temporal information in this value and the data acquisition operating process automatically;
The frequency values that obtains in the previous action by corresponding arithmetical operation, is drawn that change curve on the interface that current frequency values reflects departs from the shift value of initial curve and by the step that is applied to the force value on the coil that displacement-pressure curve relation obtains;
The shift value that calculates and force value are reflected to step on the interface.
10, intrauterine device shape change monitoring system according to claim 8, it is characterized in that computer system 3 is made up of data collecting card PCI-6601, Treatment Analysis software and general purpose computer, wherein, data collecting card PCI-6601 input is connected with advance signal conditioning module (2-n), Treatment Analysis software is installed in the general purpose computer, and Treatment Analysis software comprises:
In the time period of the certain-length of setting, read the step of the frequency signal of data collecting card output continuously;
Calculate the step that in several time periods of setting, reads the meansigma methods of the frequency data that obtain;
Meansigma methods calibration that previous step is obtained and the step of storing the temporal information in this value and the data acquisition operating process automatically;
The frequency values that obtains in the previous action by corresponding arithmetical operation, is drawn that change curve on the interface that current frequency values reflects departs from the shift value of initial curve and by the step that is applied to the force value on the coil that displacement-pressure curve relation obtains;
The shift value that calculates and force value are reflected to step on the interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810045004A CN100581448C (en) | 2008-03-17 | 2008-03-17 | Intrauterine device deformation monitoring system |
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|---|---|---|---|
| CN200810045004A CN100581448C (en) | 2008-03-17 | 2008-03-17 | Intrauterine device deformation monitoring system |
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| CN101248987A true CN101248987A (en) | 2008-08-27 |
| CN100581448C CN100581448C (en) | 2010-01-20 |
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| CN200810045004A Expired - Fee Related CN100581448C (en) | 2008-03-17 | 2008-03-17 | Intrauterine device deformation monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264531A (en) * | 2016-08-26 | 2017-01-04 | 江苏省计划生育科学技术研究所 | Birth control apparatus displacement detection system and method |
| US11504054B2 (en) | 2017-03-07 | 2022-11-22 | University Of Southampton | Intra-uterine monitoring system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4727866A (en) * | 1984-01-23 | 1988-03-01 | Ortho Pharmaceutical (Canada) Ltd. | Intrauterine device detection and removal system |
-
2008
- 2008-03-17 CN CN200810045004A patent/CN100581448C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264531A (en) * | 2016-08-26 | 2017-01-04 | 江苏省计划生育科学技术研究所 | Birth control apparatus displacement detection system and method |
| CN106264531B (en) * | 2016-08-26 | 2023-05-12 | 江苏省计划生育科学技术研究所 | System and method for detecting displacement of intrauterine device |
| US11504054B2 (en) | 2017-03-07 | 2022-11-22 | University Of Southampton | Intra-uterine monitoring system |
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|---|---|
| CN100581448C (en) | 2010-01-20 |
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