Novel ultrasonic probe matched with color Doppler ultrasonic diagnostic apparatus for use

Abstract

An ultrasonic probe matched with a novel color Doppler diasonograph for use belongs to the technical field of ultrasonic auxiliary equipment, and comprises an ultrasonic probe body, a touch module, a contact force detection mechanism and a comparison circuit, the contact force detection mechanism comprises a fixing pipe and a pressure resistor, a fixing groove is formed in the side end of a shell of the ultrasonic probe body, an isolation plate is arranged in the fixing pipe, the upper end of the pressure resistor is installed at the lower end of the isolation plate, a rubber mat is installed at the lower end of the stress surface of the pressure resistor, and a contact plate is installed at the lower end of the rubber mat; according to the ultrasonic probe, an examination doctor can be prompted when the contact acting force is too large, the downward acting force of the hand of the examination doctor can be relieved, discomfort brought to a patient is reduced as much as possible, and when the examination is not carried out, the ultrasonic probe is convenient to use. Under the action of the touch module, the self power supply can be automatically switched off, so that the service life of the ultrasonic probe body can be prolonged as much as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical examination equipment technical field especially a new type color doppler ultrasound diagnostic instrument matched use's ultrasonic probe. BACKGROUND

[0002] Color doppler ultrasound diagnostic instrument its structure usually comprises probe (phased array, linear array, convex array, mechanical fan scanning, three -dimensional probe and endoscope probe etc.), ultrasonic wave emission and receiving circuit, signal processing and image display etc. Color doppler ultrasound diagnostic instrument detects, after the blood flow signal of patient detection part obtained through probe is color coded, real-time superposition on two-dimensional image, that is, form color doppler ultrasound blood flow image, color doppler ultrasound diagnostic instrument has the advantage of two-dimensional ultrasound structure image, and also provides the abundant information of blood flow dynamics, and practical application has been widely valued and welcomed, and is praised as " non-traumatic angiography " in clinic.

[0003] Although the existing color doppler ultrasound diagnostic instrument satisfies the clinical detection needs well, but there are still some technical problems to be solved due to the structure. One: when the probe detects the patient's skin, due to the influence of the experience or operation habit of medical staff, sometimes the force of the lower end of the probe contacting the patient's skin is relatively large, which will bring discomfort to the patient (although the ultrasonic coupling agent can lubricate the skin, but too large force will still make the patient feel uncomfortable, and even cause skin redness and damage). Two: the ultrasonic probe is always in working state when the equipment is started, which will have adverse effects on its service life (relatively shorten the service life). In view of the above factors, it is necessary to provide an ultrasonic probe which can detect the force acting on the patient's skin and automatically stop working when not checking. UTILITY MODEL CONTENT

[0004] In order to overcome the disadvantages of the ultrasonic probe of the existing color doppler ultrasound diagnostic instrument due to the structure, the utility model provides an ultrasonic probe matched with a new type color doppler ultrasound diagnostic instrument, which can monitor, display and contact force of the patient's skin in real time during detection, and can prompt the doctor to check when the contact force is too large, so as to reduce the discomfort of the patient as much as possible, and can automatically turn off the power supply when not checking, so as to prolong the service life as much as possible.

[0005] The utility model adopts the technical scheme to solve the technical problems:

[0006] A new type of color Doppler ultrasound diagnostic instrument is equipped with an ultrasonic probe, which comprises an ultrasonic probe body, a touch module, a contact force detection mechanism and a comparison circuit; the contact force detection mechanism comprises a fixed tube, a pressure resistor, the shell side end of the ultrasonic probe body has a fixed groove, the outer side of the fixed tube has external threads, the inside of the fixed tube has an isolation plate, the upper end of the pressure resistor is installed on the lower end of the isolation plate, the lower end of the pressure resistor is installed with a rubber pad, and the lower end of the rubber pad is installed with a contact plate; the fixed tube and the fixed groove are fixedly connected together by threads, the touch module and the comparison circuit are installed in the component box, and the touch sheet of the touch module is installed on the outside of the shell of the ultrasonic probe body; the power input end of the ultrasonic probe body and the power output end of the touch module are electrically connected, the control power output end of the ultrasonic probe body of the color Doppler ultrasound diagnostic instrument and the control power input end of the touch module are electrically connected, and the two wiring ends of the pressure resistor and the two signal input ends of the comparison circuit are electrically connected.

[0007] Further, the outer diameter of the pressure resistor, the rubber pad and the contact plate is smaller than the inner diameter of the fixed tube.

[0008] Further, the lower end of the contact plate is a circular arc structure, and the height of the lower end of the contact plate is consistent with the height of the lower end of the shell of the ultrasonic probe body.

[0009] Further, the outside of the touch sheet and the outside of the shell are in the same plane.

[0010] Further, the comparison circuit comprises an adjustable resistor, a resistor, a voltmeter, a buzzer, a three-terminal voltage detector and a triode electrically connected; one end of the adjustable resistor and one end of the first resistor are connected, the other end of the first resistor and the positive power input end of the three-terminal voltage detector and the positive power input end of the voltmeter are connected, the power output end of the three-terminal voltage detector and one end of the second resistor are connected, the other end of the second resistor and the base of the triode are connected, the collector of the triode and the negative power input end of the buzzer are connected, and the other end of the adjustable resistor and the negative power input end of the three-terminal voltage detector and the emitter of the triode are connected.

[0011] Further, the touch module is equipped with a relay, and the positive power output end and the negative power input end of the touch module are respectively electrically connected.

[0012] The utility model discloses have beneficial effects compared with prior art: the novel based on ultrasonic probe body, in detection, the comparison circuit and the contact force detection mechanism synergistic effect can real -time monitoring, display ultrasonic probe body and the contact force of patient's skin, when the contact force is too big, can prompt the examination doctor, and the examination doctor can reduce the hand downward force, as far as possible reduce the discomfort of patient, and when not checking, under the action of touch module, can automatically close the power of self, thereby as far as possible can improve the service life of ultrasonic probe body. Above all, the novel has good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained below combining with the drawings and examples.

[0014] Figure 1 It is the whole between the utility model and color doppler ultrasonic diagnostic instrument three -dimensional structure schematic diagram.

[0015] Figure 2 It is the probe body structure schematic diagram of the utility model.

[0016] Figure 3 It is the probe body local structure schematic diagram of the utility model.

[0017] Figure 4 It is the circuit diagram of the utility model. DETAILED DESCRIPTION

[0018] Figure 1 、 2 , 3, 4 show, a new type color doppler ultrasonic diagnostic instrument matched use's ultrasonic probe, including ultrasonic probe body 1, power module U1, touch module U3, still have contact force detection mechanism 2, comparison circuit 3, the contact force detection mechanism includes fixed pipe 21, pressure resistance RT, the left side end of the shell of ultrasonic probe body 1 has one independent distribution's fixed groove 101 with internal thread, the outside of fixed pipe 21 has external thread, and the middle part in fixed pipe has an isolation plate 211, and the lower end of pressure resistance RT is fixedly installed on the isolation plate 211, and its stress surface faces down, and the stress surface lower end of pressure resistance RT is glued with one rubber pad 212, and the lower end of rubber pad 212 (cushioning effect, prevent the isolation plate from acting on the stress surface pressure of pressure resistance RT and cause its damage etc.) is glued with one contact plate 213, the fixed pipe 21 and fixed groove 101 are fixedly connected together through thread, power module U1, touch module U3, comparison circuit 3 are installed in the component box of color doppler ultrasonic diagnostic instrument 1, and the touch sheet 4 (M) of touch module is glued and installed separately in the middle part outside of the shell of ultrasonic probe body 1.

[0019] Figure 1 、 2, 3, 4, the pressure resistance RT and rubber pad 212, the outer diameter of the contact plate 213 is less than the inner diameter of the fixed tube 21. The lower end of the contact plate 213 is a circular arc structure upwards (to prevent the lower end of the contact plate from scratching the skin), and the height of the lower end of the contact plate 213 is consistent with the height of the lower end of the shell of the ultrasonic probe body 1. The outer side of the touch sheet 4 and the right outer side of the shell of the ultrasonic probe body 1 are in the same plane. The comparison circuit includes adjustable resistance R1 and resistance R2 and R3, voltmeter V (the display surface is located on the upper end of the element box), buzzer BX, three-terminal voltage detector U2, triode T1, one end of adjustable resistance R1 and one end of the first resistance R2 are connected, the other end of the first resistance R2 and the positive power input end 2 pin of the three-terminal voltage detector U2, the positive power input end of the voltmeter V are connected, the power output end 1 pin of the three-terminal voltage detector U2 and one end of the second resistance R3 are connected, the other end of the second resistance R3 and the base of the triode T1 are connected, the collector of the triode T1 and the negative power input end of the buzzer BX are connected, the other end of the adjustable resistance R1 and the negative power input end 3 pin of the three-terminal voltage detector U2, the emitter of the triode T1 are connected. The touch module U2 is matched with a relay K, and the power input ends of the relay K are respectively connected to the positive power output end 3 pin and the negative power input end 2 pin of the touch module U2 through wires.

[0020] Figure 1 、 2 , 3, 4, the power input ends 1 and 2 pins of the power module U1 are respectively connected to the two poles of the AC 220V power supply through wires; the power output ends 3 and 4 pins of the power module U1 are respectively connected to the power input ends 1 and 2 pins of the touch module U3, the power input end of the comparison circuit, the positive power input end of the buzzer BX and the emitter of the triode T1 through wires; the power input end of the ultrasonic probe body B(1) and the two normally open contact ends of the power output end of the touch module and the relay K are respectively connected through wires; the ultrasonic probe body control power output end of the color Doppler ultrasonic diagnostic instrument U4 and the two control power input ends of the relay K of the touch module are respectively connected through wires; the two wiring ends of the pressure resistance RT and the positive power input end of the buzzer BX and the adjustable resistance R1 of the comparison circuit are respectively connected through wires. Figure 4In the middle, power module U1 is AC 220V to DC 12V power module; resistance R2, R3 resistance is 12K, 4K respectively; triode T1 model is 9013; relay K model is DC12V; buzzer BX is model FM12V active continuous sound buzzer alarm finished product; voltmeter V is range 12V liquid crystal voltage display table; pressure resistance RT is model BF350 high-precision resistance strain gauge; three-terminal voltage detector U2 model is ME2807A; adjustable resistance R1 resistance is 100K (adjust to 121K); touch module U3 is model CM-12V touch power switch finished product, human hand contact touch piece, touch module U3 3 pin output high level, otherwise not output.

[0021] Figure 1 、 2, 3, 4, the color Doppler ultrasound diagnostic instrument U4 detection, the patient detection site blood flow signal obtained through the probe body 1 after color coding is superimposed on the two-dimensional image in real time, that is, the color Doppler ultrasound blood flow image (through the display screen display), the above is the existing mature technology, this application will not be described. AC 220V power supply into the power input end of power module U1, the 3, 4 pin output of power module U1 stable DC 12V power into the comparison circuit and the power input end of pressure resistance. The new type of examination doctor holds the probe body 1, the fingers will contact the touch module U3 touch piece 4, so, the 3 pin output of touch module U3 high level into the positive power input end of relay K, the relay K is energized to close its control power input end and the normally open contact end, so, the power output of the ultrasonic probe body control power supply of color Doppler ultrasound diagnostic instrument U4 will enter the power input end of probe body 1, so, the doctor can hold the ultrasonic probe body for normal examination; When the doctor does not check does not hold the probe body 1 (B), the fingers do not contact the touch piece of touch module U3, so, the 3 pin output of touch module U3 stops outputting high level into the positive power input end of relay K, the relay K is not energized to open its control power input end and the normally open contact end, so, the power output of the ultrasonic probe body control power supply of color Doppler ultrasound diagnostic instrument U4 does not enter the power input end of probe body 1, so, the ultrasonic probe body is in the state of power failure. In the examination, the lower end of the ultrasonic probe body 1 contacts the patient's skin, the lower end of the contact plate 23 also contacts the patient's skin, and the reverse force of the patient's skin acts on the pressure resistance RT. When the contact force is appropriate, the resistance value of the pressure resistance RT is relatively large, the voltage between the pressure resistance RT and the adjustable resistance R1 is relatively large, the 12V power supply is divided by the pressure resistance RT and the adjustable resistance R1, the voltage at the 2 pin of the voltage limiting resistor R2 is lower than the threshold voltage of 4.75V of the three terminal voltage detector U2, the 1 pin of the three terminal voltage detector U2 outputs low level, so the buzzer BX does not have power and sound, which represents that the contact force of the lower end of the ultrasonic probe body contacting the patient's skin is appropriate. When the contact force is too large, the resistance value of the pressure resistance RT is relatively small, the voltage between the pressure resistance RT and the adjustable resistance R1 is relatively small, the 12V power supply is divided by the pressure resistance RT and the adjustable resistance R1, the voltage at the 2 pin of the voltage limiting resistor R2 is higher than the threshold voltage of 4.75V of the three terminal voltage detector U2, the 1 pin of the three terminal voltage detector U2 outputs high level, the high level is limited by the resistance R3, and the three terminal voltage detector U2 is connected to the base of the triode T1. The triode T1 is turned on, the collector outputs low level to the negative power input end of the buzzer BX, so the buzzer BX has power and sound, which represents that the force of the lower end of the ultrasonic probe body contacting the patient's skin is too large.Through the above, the novel ultrasonic probe body, detection, comparison circuit and contact force detection mechanism synergistic effect, can real-time monitoring, display ultrasonic probe body and patient skin contact force, when the contact force is too large can prompt the doctor, the doctor can reduce the hand downward force, as far as possible to reduce the discomfort to the patient, and when not check, under the action of the touch module, can automatically turn off its power, thereby as far as possible to improve the service life of the ultrasonic probe body.

[0022] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, electrical connection, can also be directly connected, can also be indirectly connected through the intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A new type of color Doppler ultrasound diagnostic instrument matched with an ultrasonic probe, comprising an ultrasonic probe body, a touch module, characterized in that The application also has a contact force detection mechanism and a comparison circuit; the contact force detection mechanism comprises a fixed tube, a pressure resistor, a fixed groove on the side end of the shell of the ultrasonic probe body, an outer thread on the outside of the fixed tube, an isolation plate inside the fixed tube, the upper end of the pressure resistor being installed on the lower end of the isolation plate, a rubber pad being installed on the lower end of the force receiving surface of the pressure resistor, and a contact plate being installed on the lower end of the rubber pad; the fixed tube and the fixed groove are fixedly connected together through a thread, the touch module and the comparison circuit are installed in the element box, and the touch sheet of the touch module is installed on the outside of the shell of the ultrasonic probe body; the power input end of the ultrasonic probe body and the power output end of the touch module are electrically connected, the control power output end of the ultrasonic probe body of the color Doppler ultrasonic diagnostic apparatus and the control power input end of the touch module are electrically connected, and the two wiring ends of the pressure resistor and the two signal input ends of the comparison circuit are electrically connected.

2. The new color Doppler ultrasound diagnostic apparatus matching ultrasonic probe according to claim 1, characterized in that, The outer diameters of the pressure resistor, the rubber pad and the contact plate are smaller than the inner diameter of the fixed tube.

3. The new color Doppler ultrasound diagnostic apparatus matching ultrasonic probe according to claim 1, characterized in that, The lower end of the contact plate is in a circular arc structure, and the height of the lower end of the contact plate is consistent with the height of the lower end of the shell of the ultrasonic probe body.

4. The new color Doppler ultrasound diagnostic apparatus matching ultrasonic probe according to claim 1, characterized in that, The outside of the touch sheet and the outside of the shell are in the same plane.

5. The new color Doppler ultrasound diagnostic apparatus matching ultrasonic probe according to claim 1, characterized in that, The comparison circuit comprises an adjustable resistor, a resistor, a voltmeter, a buzzer, a three-terminal voltage detector and a triode which are electrically connected; one end of the adjustable resistor and one end of the first resistor are connected, the other end of the first resistor and the positive power input end of the three-terminal voltage detector and the positive power input end of the voltmeter are connected, the power output end of the three-terminal voltage detector and one end of the second resistor are connected, the other end of the second resistor and the base of the triode are connected, the collector of the triode and the negative power input end of the buzzer are connected, and the other end of the adjustable resistor and the negative power input end of the three-terminal voltage detector and the emitter of the triode are connected.

6. The new color Doppler ultrasound diagnostic apparatus matching ultrasonic probe according to claim 1, characterized in that, The touch module is matched with a relay, and the two power input ends of the relay are respectively electrically connected with the positive power output end and the negative power input end of the touch module.

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