CN100340213C - Tubal insufflator and its working method - Google Patents
Tubal insufflator and its working method Download PDFInfo
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- CN100340213C CN100340213C CNB031076173A CN03107617A CN100340213C CN 100340213 C CN100340213 C CN 100340213C CN B031076173 A CNB031076173 A CN B031076173A CN 03107617 A CN03107617 A CN 03107617A CN 100340213 C CN100340213 C CN 100340213C
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Abstract
The present invention relates to a tubal insufflator and a working method thereof. The tubal insufflator comprises an insufflating pipe, a flow controller, a flow sensor, a pressure transducer and a control device, wherein the flow controller is used for controlling air flow in the insufflating pipe; the flow sensor is used for detecting air flow in the insufflating pipe; the pressure transducer is used for detecting air pressure in a uterine cavity; the control device is connected with the flow controller, the flow sensor and the pressure transducer. The control device is used for setting and adjusting the flow of the flow controller, reading flow data from the flow sensor and reading data from the pressure transducer. The method comprises the following steps: the air flow is set; the air pressure of the uterine cavity is detected at certain time intervals; an alarm is given if the air pressure of the uterine cavity is abnormal; the value of the flow sensor is read at certain time intervals; an alarm is given if the flow is abnormal; the air pressure of the uterine cavity is output along with time variation.
Description
Technical field
The present invention relates to detect the whether devices and methods therefor of blocking barrier of fallopian tube, relate in particular to air-flow and detect the whether device of blocking barrier of fallopian tube with certain pressure and flow velocity.
Background technology
Whether unobstructed whether fallopian tube and function normally be an essential condition of decision female fertility ability.Oviducal unobstructed sperm, the ovum of just making meets and is fertilized, but this not enough, also needs oviducal normal creepage of gastrointestinal functions, so that the ovum of fertilization is transported to uterus implantation growth.In unobstructed art inspection of various fallopian tube and Therapeutic Method, have only uterotubal insufflation can check out whether oviducal degree of mobility and its wriggling function be intact simultaneously.
A large amount of medical research data are pointed out; when in cavity of uterus, carrying CO2 gas or having certain gas of antiinflammation with the speed of per minute 30-60ml; can produce certain pressure in the uterine cavity; the size of pressure is determined by oviducal degree of mobility; this pressure is below 13.3KP (100mmHg) simultaneously; fluctuation number of times per minute 5-10 time; the fluctuating margin scope is in 2.7-5.4KP (20-40mmHg); when the total blockage of bilateral fallopian tube; intrauterine pressure can continue to rise along with the defeated of gas; it should be noted that especially when pressure surpasses 26.7KP (200mmHg); fallopian tube has disruptive danger, therefore, all will be provided with the automatically pressure limiting protector when design pertubation instrument; the pertubation instrument is provided with automatic record or printer, the oviducal pressure waveform that bilateral stops up fully.Uterine tube stegnosis makes fallopian tube lead to and not smooth, and intrauterine in this case pressure is higher, and maximum pressure can reach 16-24KP (180mmHg), and minimum pressure is also more than 11KP (80mmHg).The automatic record of pertubation instrument, fallopian tube leads to and not smooth pressure waveform.When fallopian tube adhesion made the wriggling function variation, intrauterine pressure oscillation amplitude can become very little or not fluctuation fully.Fallopian tube has the pressure waveform of adhesion pathological changes, when fallopian tube slightly blocks, uterotubal insufflation utilization elevated pressures is expanded fallopian tube, slight adhesion is peeled off, and blocking oviducal mucus can be discharged from, and the fallopian tube that reverses (song) is organized and resets, make fallopian tube become unobstructed, as intrauterine pressure is higher at the beginning, it is lower to become subsequently, illustrates that fallopian tube is got through.When carrying out the pertubation inspection, can also unite diagnosis by B ultrasonic, interface between CO2 gas and the oviduct tissue produces strong reflection to ultrasound wave, so part that fallopian tube is unobstructed, on screen, be shown as the clear zone, obstructed part is shown as the dark space, and this diagnostic method can replace lipiodol angiography.
Generally, pertubation uses CO2 gas, because CO2 gas is exceedingly fast by the speed of tissue, blood absorption in human body, can not form aeroembolism.And when using oxygen, air or other gas, aeroembolism may take place cause danger.
Current, whether unobstructed be used for detecting one of fallopian tube device is as Chinese utility model patent 90206313.8 disclosed " pertubation instrument ", though this instrument has diagnosis and treatment dual function, but it is mechanical control and measurement because of what air-flow was carried out, so the certainty of measurement to indexs such as the flow of gas, pressure is not very high, is the important evidence that patient diagnoses and treats and these two indexs are doctors.In addition, this device has only a kind of voltage-limiting protection mode, so the safety of device has much room for improvement.
Summary of the invention
Therefore, main purpose of the present invention provides and a kind ofly can accurately control the flow of gas and the ventilation instrument of pressure.
Second purpose of the present invention provides a kind of pertubation device with greater security.
Put it briefly, the invention provides a kind of pertubation device, comprise breather, the flow controller of the gas flow in the control breather, detect the flow transducer of the gas flow in the breather, detect the pressure transducer of the gas pressure in the uterine cavity, and one and described flow controller, the control device that flow transducer and pressure transducer link to each other, this control device is used to set and adjust the flow of flow controller, read data on flows and read data from pressure transducer from flow transducer, described control device also is used for adjusting flow controller according to the data on flows that obtains from flow transducer.
According to above-mentioned pertubation device of the present invention, it is characterized in that described control device also is used for turn-offing flow controller when air pressure surpasses a predetermined threshold value when baroceptor detects.
According to above-mentioned pertubation device of the present invention, it is characterized in that also comprising an adjustable ripple pressure limiting uterine cavity protector, be used to protect that fallopian tube and uterine cavity are unlikely is damaged, and a little higher than described predetermined threshold of the protection air pressure of this uterine cavity protector.
According to above-mentioned pertubation device of the present invention, it is characterized in that described flow controller comprises one first opening on the outer wall sleeve pipe, with one in the pipe, and motor, wherein interior pipe box changes first openings of sizes thereby this motor is used for making sleeve pipe and interior pipe to produce relative motion in sleeve pipe.
Description of drawings
Fig. 1 is the ultimate principle block diagram of the pertubation device according to the present invention;
Fig. 2 is the method for work according to pertubation device of the present invention;
Fig. 3 is a kind of embodiment according to flow controller of the present invention;
Fig. 4 is the structure according to flow transducer of the present invention; And
Fig. 5 is that Fig. 3 is the another kind of embodiment according to flow controller of the present invention;
The specific embodiment
Fig. 1 is a ultimate principle block diagram of the present invention.As shown in Figure 1, device of the present invention mainly comprises: control device 11, flow controller 12, flow transducer 13, pressure transducer 14 and pertubation plug 5.The groundwork principle of this device is as follows: carbon dioxide gas stream (or any other suitable air-flow, principle of the present invention and used gaseous species are irrelevant) is controlled in flow between 30-60ml/s through behind the flow controller 2.Concrete control situation is set by control device 11.Cross a flow transducer 13 from the air communication that flow controller 12 comes out, flow transducer feeds back to control device 11 with measured data on flows, the amount that control device 11 will measure from flow transducer 13 and the amount of preset flow rate controller 12 compare, if the amount that flow transducer 13 measures is bigger than predefined amount, then control device 11 can reduce the flow by flow controller 12; If the amount that flow transducer measures is littler than predefined amount, then control device 11 can increase the flow by flow controller 12.If the difference between the setting value of amount that flow transducer 13 measures and flow controller 12 in one section preset time all greater than a predefined value (for example being the twice of the range of error of flow controller 12), then control device 11 can pass through sound, form alert such as display lamp, instrument has fault, thereby avoids the generation of contingency.In other embodiments, also can not carry out feedback control.
Export by pertubation plug 7 on the one hand from the air-flow that flow transducer 13 comes out, flow to the pressure of pressure transducer 4 measurement gas on the other hand.Control device 11 reads pressure data from pressure transducer speed is reading 1 time every 0.5-3 second, preferably reads 1 time second every 1-2.Be to read 1 time in preferred implementation of the present invention every 1 second.Reading of operator for convenience, control device 11 can print the form of the data that read with curve, X-axis express time for example, Y-axis is represented pressure.In other embodiment of the present invention, control device 11 will be measured the pressure of acquisition at every turn and compare with a predefined secure threshold, if it is bigger than this secure threshold to measure the value that obtains, then control device 11 will turn-off flow controller 12 and pass through sound or display reminding operator.
In addition, though not shown among Fig. 1, apparently, what link to each other with control device 11 can also have output devices such as speaker, buzzer, display lamp, display, printer and be connected with input equipment such as keyboard, mouse.、
Fig. 2 is the workflow diagram according to pertubation device of the present invention.At square frame 201, device of the present invention begins to start.The startup stage, system can carry out initialization, carries out self-check to have determined whether fault or the like.Then, at square frame 202, operator can set gas flow, perhaps adopt default value 50ml/s.This step can be integrated with square frame 201 in practice.Then to square frame 203, can be default or by sampling interval of artificial setting.This at interval can be at 0.5-3 between second.Default value is 1 second.At square frame 204, judge whether the sampling interval arrive, if do not have, continue to wait for; If arrive, then read atmospheric pressure value at square frame 205; Then judge at square frame 206 whether air pressure is normal,, then cut off the warnings such as flicker that air-flow also passes through sound, display lamp if air pressure is higher than pre-set threshold; If air pressure is lower than threshold value, whether pertubation plug 5 is not inserted in then warning, and alert.If air pressure is normal, then can preserve this value and printing.Judge then at square frame 208 reading flow values, and at square frame 209 whether flow is normal,, then report to the police at square frame 210 if undesired.If normal, then whether supress by the decision operation personnel and whether finish button or predefined working time to determining whether end at square frame 211.If do not finish, then arrive square frame 204 beginnings again, otherwise finish at square frame 212.
It is to be noted, in preferred implementation of the present invention, thereby the control to flow is fed back the realization closed loop control by flow transducer, therefore, in feedback control manipulation, judge whether just often at square frame 209, should be to be as the criterion through reaching preset flow rate behind the predetermined feedback cycle.
In a preferred embodiment, device of the present invention can with measured obtain time-the pressure dependence curve printing comes out.
In other embodiment of the present invention,, can connect a corrugated tube pressure limiting uterine cavity protector described in Chinese patent ZL 90206313.8 again, thereby provide duplicate protection to system in order to improve the safety of apparatus of the present invention.In this embodiment, will be set at low slightly than corrugated tube voltage-limiting protector for carry out the overvoltage protection preset threshold by pressure transducer.
Fig. 3 is the structure according to the flow controller of preferred implementation of the present invention.At first want the indicated those of ordinary skill in the art of being to select the various types of flow controllers that had in the prior art.Preferably, flow controller of the present invention as shown in Figure 3, along import 36 with export on the gas passage 35 between 37 valve port 38 and valve 39 are arranged, the end points of this valve is being supported by the diaphragm 310 with permanent magnet 311.Install in the face of permanent magnet by the calutron 314 that magnetic core 312 and magnetizing coil 313 are formed, size of current according to input magnetizing coil 313 is regulated the gas flow that enters gas passage 5, especially just make the polarity of magnetic core 312 cause that permanent magnet 311 produces repulsive force when electric current flows through magnetizing coil 313, valve 39 is just removed to allow gas to flow out from valve port 38.Just can control the gas flow of output like this according to the size of current of input magnetizing coil 313.About the detailed situation of this structure, can with reference to Japanese publication number the Japanese publication of NO 55-49137).
Fig. 4 is according to flow transducer circuit of the present invention.As shown in Figure 4, it adopts indirectly heated thermistor as responsive original paper, with packaging technology two critesistor is encapsulated in (412,413,414) on the same gas-tight probe.Structure as Fig. 4 comprises standard pipe fitting (414), air intake (415), and gas outlet (416).By the variations in flow in the gas circuit, the resistance of critesistor is changed, thereby detect the size of gas flow.
After the circuit energized, the temperature of critesistor RT1 (412) and RT2 (413) can rise to certain degree.Under the situation that does not have air communication to cross, the temperature of critesistor is constant substantially, so the resistance sampling value is inconvenience substantially also, when air communication is crossed temperature-sensitive resistance R T1 (412), its temperature changes, so resistance also changes thereupon, the temperature and the gas flow of critesistor are inversely proportional to, and temperature and resistance are inversely proportional to, so gas flow is directly proportional with the resistance of critesistor.About the detailed structure of this flow transducer, can be referring to Chinese patent application, its denomination of invention is " electronic gas flowmeter ", and application number is 88103298.0, and publication number is: CN 1038344A.
About pressure transducer of the present invention, can adopt the various suitable pressure transducer of prior art.Under the preferable case, adopt static pressure transducer.
Fig. 5 is the another kind of embodiment according to flow controller of the present invention.As shown in Figure 5, the core component of the flow controller of this embodiment is a coaxial valve, this coaxial valve comprises an outer, stationary sleeve pipe 55, an opening 56 is arranged on this sleeve pipe, and the interior pipe 54 of an inner hollow and an end opening, also have on the outer wall of pipe in this one with internal communication and with outer sleeve 55 on the corresponding opening of opening.Like this, telescopic opening, interior tube opening, the central passage of interior pipe and the opening of interior pipe one end have just formed gas channel 57 jointly.Between sleeve pipe and the interior pipe be combine closely in case leak-stopping gas, though gapped between them shown in the figure.In one embodiment, interior pipe can rotate along telescopic central axis; In another embodiment, interior pipe can move up and down along telescopic central axis.When interior pipe is done up and down rectilinear motion, because the opening of interior pipe and the overlapping region between the telescopic opening can become big or diminish, thus the size that can regulate air-flow.Opening maximum when overlapping fully, the throughput maximum that can flow through, when staggering fully, air-flow is cut off fully.For moving up and down of pipe in controlling, can drive with a motor, this motor is from control device 11 received pulse signals and drive axle 53 rotations since between axle 53 and the interior pipe 54 by being threaded, pipe moved up and down in axle 53 rotations just became.On inner pipe down axially under the situation of motion, the opening of telescopic opening 56 and interior pipe is elongated shape vertically preferably also, to improve control accuracy.In other embodiment, interior pipe is along axis rotation, because in the rotary course, the opening that produced of intersecting between interior tube opening and the ferrule openings also can become big or diminish, so can control the variation of air-flow.In this embodiment, as long as rotatablely moving of motor 52 become rotatablely move (angular velocity of these two rotations can be different, thereby have different control accuracies) of interior pipe.Because, the essence of this valve is the size of regulating air-flow by the relative motion in the sealing surface of interior pipe and the hole on the shell, so those of ordinary skill in the art can do other distortion to the present invention fully, the direction of opening for example, the shape of sleeve pipe and interior pipe, and the relative motion mode of sleeve pipe and interior pipe, for example changing sleeve movement into, interior pipe is motionless etc.In addition, under the situation that interior pipe moves vertically, it is a piston that interior pipe can be reduced to fully, does not have perforate above, inner also needs not be empty, as long as can be to the hole on the shell in the process of moving up and down closed gradually or open just passable.
More than by the specific embodiment principle of the present invention has been described, obviously, those of ordinary skill in the art can do various improvement to the present invention on the basis of above instruction, distortion is equal to and replace waits and do not break away from the principle and scope of the present invention.
Claims (4)
1. pertubation device, comprise breather, the flow controller of the gas flow in the control breather, detect the flow transducer of the gas flow in the breather, detect the pressure transducer of the gas pressure in the uterine cavity, and one and described flow controller, the control device that flow transducer and pressure transducer link to each other, this control device is used to set and adjust the flow of flow controller, read data on flows and read data from pressure transducer from flow transducer, described control device also is used for adjusting flow controller according to the data on flows that obtains from flow transducer.
2, pertubation device as claimed in claim 1 is characterized in that described control device also is used for turn-offing flow controller when air pressure surpasses a predetermined threshold value when pressure transducer detects.
3, pertubation device as claimed in claim 2 is characterized in that also comprising an adjustable ripple pressure limiting uterine cavity protector, is used to protect that fallopian tube and uterine cavity are unlikely is damaged, and a little higher than described predetermined threshold of the protection air pressure of this uterine cavity protector.
4, pertubation device as claimed in claim 1, it is characterized in that described flow controller comprises one first opening on the outer wall sleeve pipe, with one in the pipe, and motor, wherein interior pipe box changes first openings of sizes thereby this motor is used for making sleeve pipe and interior pipe to produce relative motion in sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031076173A CN100340213C (en) | 2003-03-21 | 2003-03-21 | Tubal insufflator and its working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031076173A CN100340213C (en) | 2003-03-21 | 2003-03-21 | Tubal insufflator and its working method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1531907A CN1531907A (en) | 2004-09-29 |
| CN100340213C true CN100340213C (en) | 2007-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031076173A Expired - Fee Related CN100340213C (en) | 2003-03-21 | 2003-03-21 | Tubal insufflator and its working method |
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| Country | Link |
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| CN (1) | CN100340213C (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549137A (en) * | 1978-10-03 | 1980-04-09 | Foster Wheeler Corp | Fluid bed device and its operation method |
| CN2068390U (en) * | 1990-05-13 | 1991-01-02 | 天津市医疗器械研究所 | Air draft instrument for oviduct |
| CN2170077Y (en) * | 1993-06-16 | 1994-06-29 | 邱秀光 | Liquid instillation pressure signal display unit and liquid instillation pressure sensor for oviduct |
| GB2321599A (en) * | 1997-01-31 | 1998-08-05 | John Dingley | Gas insufflation device for use with a lung ventilator |
| US5908402A (en) * | 1997-02-03 | 1999-06-01 | Valleylab | Method and apparatus for detecting tube occlusion in argon electrosurgery system |
| CN2367249Y (en) * | 1999-05-27 | 2000-03-08 | 赵江 | Fallopian liquid-filling diagnostic instrument |
| CN2604159Y (en) * | 2003-03-13 | 2004-02-25 | 李琦白 | Tubal insufflation apparatus |
-
2003
- 2003-03-21 CN CNB031076173A patent/CN100340213C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549137A (en) * | 1978-10-03 | 1980-04-09 | Foster Wheeler Corp | Fluid bed device and its operation method |
| CN2068390U (en) * | 1990-05-13 | 1991-01-02 | 天津市医疗器械研究所 | Air draft instrument for oviduct |
| CN2170077Y (en) * | 1993-06-16 | 1994-06-29 | 邱秀光 | Liquid instillation pressure signal display unit and liquid instillation pressure sensor for oviduct |
| GB2321599A (en) * | 1997-01-31 | 1998-08-05 | John Dingley | Gas insufflation device for use with a lung ventilator |
| US5908402A (en) * | 1997-02-03 | 1999-06-01 | Valleylab | Method and apparatus for detecting tube occlusion in argon electrosurgery system |
| CN2367249Y (en) * | 1999-05-27 | 2000-03-08 | 赵江 | Fallopian liquid-filling diagnostic instrument |
| CN2604159Y (en) * | 2003-03-13 | 2004-02-25 | 李琦白 | Tubal insufflation apparatus |
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| Publication number | Publication date |
|---|---|
| CN1531907A (en) | 2004-09-29 |
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Granted publication date: 20071003 Termination date: 20100321 |