CN111821018A - Microwave treatment equipment for uterine cavity of obstetrical department - Google Patents
Microwave treatment equipment for uterine cavity of obstetrical department Download PDFInfo
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- CN111821018A CN111821018A CN202010476564.8A CN202010476564A CN111821018A CN 111821018 A CN111821018 A CN 111821018A CN 202010476564 A CN202010476564 A CN 202010476564A CN 111821018 A CN111821018 A CN 111821018A
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- microwave
- uterine cavity
- rod
- guide
- obstetrical
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00559—Female reproductive organs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
- A61B2018/00797—Temperature measured by multiple temperature sensors
Abstract
The invention belongs to medical equipment, and particularly relates to obstetrical microwave treatment equipment for a uterine cavity. The medical instrument comprises a circuit board, a therapeutic main body and an inflator pump, wherein the therapeutic main body comprises a hard part and an elastic part which are mutually connected and jointly form a closed structure, the elastic part is communicated with the inflator pump through an air pipe, a plurality of microwave emitting heads and a plurality of sensors are further arranged on the elastic part, the sensors and the microwave emitting heads are arranged at intervals, and the sensors and the microwave emitting heads are electrically connected with the circuit board. The microwave emitting head is arranged on the expanded elastic part, so that the inner wall of the uterine cavity can be treated in all directions; the sensor is arranged on the expanded elastic part, and can collect signals such as temperature and the like at different positions of the inner wall of the uterine cavity while treating and then transmit the circuit board.
Description
The patent application is divisional application, the application number of a parent application is 2019106596891, and the application date of the parent application is 2019, 07 and 22.
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to obstetrical microwave treatment equipment for a uterine cavity.
Background
Uterine cavity microwave therapy is mainly achieved through thermal and biological effects. Because the magnetic resistance exists between the polar molecules to generate damping action on the oscillation, the microwave energy is consumed to generate heat, and the aim of treating diseases is achieved by utilizing the heat. If, chinese patent CN201611203737.9 discloses a microwave treatment device for uterine cavity of gynaecology and obstetrics, comprising a handle, the side surface of the handle is respectively provided with a control switch and an LED display screen, the output end of the control switch is electrically connected with the input end of the LED display screen, the side surface of the handle is provided with a wire, the input end of the control switch is electrically connected with the output end of an external power supply through the wire, the other side surface of the handle is provided with a rubber cylinder, the side surface of the rubber cylinder is provided with a mounting groove, the inner side surface of the mounting groove is provided with an electric telescopic rod, the telescopic end of the electric telescopic rod is provided with a mounting seat, the side surface of; for another example, chinese patent CN201610040868.3 discloses a microwave treatment device for uterine cavity of gynaecology and obstetrics, which comprises a device main body and a microwave-acting massage cover, wherein an E-type frequency-changing coil is arranged inside the frequency-changing and voltage-changing box, a massage acting layer is arranged inside the microwave-acting massage cover, a massage roller is arranged inside the massage acting layer, a microwave-acting passage opening is arranged at the lower side of the massage roller, a microwave-generating reaction device is arranged inside the device main body, a reaction layer is arranged inside the microwave-generating reaction device, a magnetic induction coil is arranged outside the carbon rod, an external conveying cylinder is arranged at the right side of the microwave-generating reaction device, a microwave amplifier is arranged in the external conveying cylinder; therefore, the traditional microwave treatment equipment usually acts on a one-dimensional or two-dimensional space, and when the microwave treatment is carried out on the uterine cavity in the traditional technology, the internal space of the uterine cavity is large, so that the aim of comprehensive treatment cannot be fulfilled; in addition, the microwave therapy device in the traditional technology is often affected by self circuit defects or power grids to cause unstable working efficiency, so that the effect of microwave therapy is unstable.
Disclosure of Invention
The invention aims to provide obstetrical microwave treatment equipment for uterine cavities.
Based on the purpose, the invention adopts the following technical scheme:
the utility model provides an obstetrical department palace chamber microwave therapy equipment, includes the circuit board, treatment main part and pump, the treatment main part include stereoplasm portion and elasticity portion, stereoplasm portion and elasticity portion interconnect and constitute confined structure jointly, elasticity portion wherein passes through trachea and pump intercommunication, still sets up a plurality of microwave emission heads, a plurality of sensor in the elasticity portion, sensor and microwave emission head interval arrangement, sensor, microwave emission head all be connected with the circuit board electricity.
Furthermore, the circuit board comprises a sampling circuit for collecting signals in the uterine cavity, a dynamic switch for dynamically switching on a certain circuit, a pulse width modulation circuit for modulating the power of a power supply of a branch circuit where each microwave transmitting head is located, a field effect diode for controlling the power supply of the branch circuit where each microwave transmitting head is located, and a power supply branch circuit electrically connected in series with each microwave transmitting head, wherein the sampling circuit, the dynamic switch, the pulse width modulation circuit, the field effect diode and the power supply branch circuit are sequentially and electrically connected.
Furthermore, the sampling circuit comprises an analog acquisition module and a digital conversion module, wherein the input end of the analog acquisition module is connected with the output end of the sensor on the elastic part, the output end of the analog acquisition module is connected with the input end of the digital conversion module, and the output end of the digital conversion module is connected with the input end of the dynamic switch; the analog acquisition module consists of a sensor, a current limiting element, a filtering element, an amplifying element and a resistance adjusting element, wherein the output end of the sensor is connected with the current limiting element to convert an external signal into an electric signal and outputs the electric signal to the positive phase end of the main amplifying element through the current limiting element and the filtering element in a filtering way, the negative phase end of the main amplifying element is grounded through the current limiting element, the negative phase end of the main amplifying element is connected to the output end through the resistance adjusting element, the output end of the main amplifying element is connected with the positive phase end of the auxiliary amplifying element through the current limiting element and the filtering element, and the negative phase end of the auxiliary amplifying element.
Furthermore, the digital conversion module consists of a filter element, an amplifying element and a current limiting element, the output end of the analog acquisition module is connected to the positive phase end of the secondary amplifying element after being filtered by the filter element, the external reference voltage is connected to the negative phase end of the secondary amplifying element after being filtered by the current limiting element and the filter element, and the secondary amplifying element outputs a digital signal which is pulled up by the current limiting element.
Furthermore, the sensor adopts an infrared receiving diode, the current limiting element adopts a resistor, the filtering element adopts a capacitor, the amplifying element adopts an operational amplifier, and the resistance adjusting element adopts a potentiometer.
Further, the dynamic switch on the circuit board comprises a rotary table, a control motor and a conducting metal strip, wherein the output shaft of the control motor is connected with one end of the metal strip and can drive the metal strip to rotate around the axis of the control motor, the other end of the metal strip is in contact with the edge of the rotary table, and a plurality of switch electrodes are distributed on the edge of the rotary table; the switching electrode comprises a first electrode and a second electrode that are open to each other, the combined height of the switching electrodes being such that: the first electrode and the second electrode can be conducted when the metal strip is arranged on the upper portion of the switch electrode, the first electrode and the second electrode are mutually opened after the metal strip leaves the upper portion of the switch electrode, and the switch electrode is electrically connected in series with a branch where the microwave transmitting head is located.
Furthermore, a digital processing error amplifier composed of a UC3842 chip is adopted in the pulse width modulation circuit.
Advantageous effects
The microwave emitting head is arranged on the expanded elastic part, so that the inner wall of the uterine cavity can be treated in all directions; the sensor is arranged on the expanded elastic part, and can collect signals such as temperature and the like at different positions of the inner wall of the uterine cavity while treating and then transmit the circuit board; an error amplifier in the pulse width modulation circuit can obtain a dynamic switch transmission signal of a branch closed by a certain microwave transmitting head, then adjust a field effect diode on the branch on which the microwave transmitting head is positioned, adjust the duty ratio of the field effect diode to realize the stability of output power, realize the stable modulation of microwave treatment and improve the microwave treatment effect; the structure of the dynamic switch can flexibly realize the modulation of the periodic closing and opening of different circuit branches, and meanwhile, the period can be flexibly modulated according to specific conditions.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of one embodiment of the present invention;
FIG. 2 is a block diagram of one embodiment of the present invention;
FIG. 3 is a circuit diagram of one embodiment of the present invention;
FIG. 4 is a schematic diagram of a sampling circuit according to one embodiment of the present invention;
fig. 5 is a block diagram of a dynamic switch according to an embodiment of the present invention.
Detailed Description
In specific implementation, as shown in fig. 1, an embodiment of microwave treatment equipment for uterine cavities in obstetrical department comprises a circuit board 1, a treatment main body 2 and an inflator pump 3, wherein the treatment main body 2 comprises a hard part 21 and an elastic part 22, the hard part 21 and the elastic part 22 are connected with each other and jointly form a closed structure, the elastic part 22 is communicated with the inflator pump 3 through an air pipe, the elastic part 22 is further provided with a plurality of microwave emitting heads 23 and a plurality of sensors a1, the sensors a1 and the microwave emitting heads 23 are arranged at intervals, and the sensors a1 and the microwave emitting heads 23 are electrically connected with the circuit board 1; in specific implementation, as shown in fig. 2, firstly, the therapeutic main body 2 is extended into the uterine cavity, then the elastic part 22 of the therapeutic main body 2 is pumped by starting the inflator pump 3, then the elastic part 22 is expanded in the uterine cavity, the expanded elastic part 22 is provided with the microwave emitting heads 23, so that the inner wall of the uterine cavity can be treated in all directions, and in implementation, different microwave emitting heads 23 are arranged in different power supply branches, obviously, only part of the branches can be selected to work to realize targeted treatment on the inner wall of the uterine cavity; in addition, in the implementation, the sensor a1 is arranged on the expanded elastic part 22, the sensor a1 can collect signals such as temperature and the like at different positions of the inner wall of the uterine cavity while the treatment is carried out, and then the circuit board 1 is transmitted, so that the invention can realize the omnibearing treatment of the inner wall of the uterine cavity and the omnibearing signal collection of the temperature and the like of the inner wall of the uterine cavity.
In implementation, as shown in fig. 3, the circuit board 1 includes a sampling circuit for collecting signals in the uterine cavity, a dynamic switch for dynamically switching on a certain circuit, a pulse width modulation circuit for modulating power of a power supply of a branch in which each microwave emitter 23 is located, a field effect diode for controlling a power supply of a branch in which each microwave emitter 23 is located, and a power supply branch electrically connected in series with each microwave emitter 23, wherein the sampling circuit, the dynamic switch, the pulse width modulation circuit, the field effect diode, and the power supply branch are electrically connected in sequence; in the specific implementation, the output end of the dynamic switch is connected with the pulse width modulation circuit, the dynamic switch is used for dynamically switching on the dynamic switch of a certain circuit, the pulse width modulation circuit is connected with the field effect diode on the branch circuit where different microwave emitting heads 23 are located and adjusts the power of the branch circuit power supply, therefore, in the implementation, the branch circuit where different microwave emitting heads 23 are located is dynamically opened under the control of the dynamic switch, namely the branch circuit is opened in the next period when the branch circuit is closed in a certain period, a certain sensor a1 collects signals such as temperature and the like at a certain position of the inner wall of a uterine cavity while treating, then transmits the signals to the sampling circuit, the signals are subjected to the dynamic switch by the sampling circuit, wherein when the branch circuit of a certain microwave emitting head 23 at the position of a certain sensor a1 is in a closed state, the error amplifier in the pulse width modulation circuit obtains the signals transmitted by the dynamic switch and then adjusts the field effect diode on the, the duty ratio of the field effect diode is adjusted to achieve the stabilization of the output power.
In a specific implementation, the pulse width modulation circuit includes a UC3842 chip to implement a better error amplifier function therein. In implementation, as shown in fig. 4, the sampling circuit includes an analog acquisition module and a digital conversion module, an input end of the analog acquisition module is connected to an output end of the sensor a1 on the elastic part 22, an output end of the analog acquisition module is connected to an input end of the digital conversion module, and an output end of the digital conversion module is connected to an input end of the dynamic switch; the analog acquisition module consists of a sensor a1, a current limiting element, a filter element, an amplifying element and a resistance adjusting element, wherein the output end of a sensor a1 is connected with a current limiting element a5 to convert an external signal into an electric signal, and the electric signal is filtered and output to the positive phase end of a main amplifying element a9 through the current limiting element a4 and the filter element a8, the negative phase end of the main amplifying element a9 is grounded through a current limiting element a3, the negative phase end of the main amplifying element a9 is connected to the output end through the resistance adjusting element a7, the output end of the main amplifying element a9 is connected with the positive phase end of an auxiliary amplifying element a12 through the current limiting element a10 and the filter element a11, the negative phase end of the auxiliary amplifying element a12 is connected with the output end of the auxiliary amplifying element a12, and the analog acquisition module converts an acquired signal into. As shown in fig. 4, the digital-to-analog module is composed of a filtering element, an amplifying element, and a current limiting element, an output end of the analog acquisition module is connected to a positive phase end of a secondary amplifying element a16 after being filtered by a filtering element a13, an external reference voltage is connected to a negative phase end of the secondary amplifying element a16 after being filtered by a current limiting element a15 and a filtering element a14, a digital signal is output by the secondary amplifying element a16 and is pulled up by a current limiting element a17, and an output signal of the analog acquisition module is converted into a digital signal by a reference comparison method. In implementation, the sensor a1 adopts an infrared receiving diode, the current limiting element adopts a resistor, the filtering element adopts a capacitor, the amplifying element adopts an operational amplifier, and the resistance adjusting element adopts a potentiometer; in a specific implementation, the sensor a1 can at least acquire an infrared sensing signal and also at least acquire a temperature sensing signal. In implementation, as shown in fig. 5, the dynamic switch on the circuit board 1 includes a rotating disk 11, a control motor 12 and a conducting metal strip 13, wherein an output shaft of the control motor 12 is connected to one end of the metal strip 13 and can drive the metal strip 13 to rotate around an axis of the control motor 12, the other end of the metal strip 13 contacts with an edge of the rotating disk 11, and a plurality of switch electrodes are distributed on the edge of the rotating disk 11; the switching electrodes comprise a first electrode 14 and a second electrode 15 that are mutually open-circuited, the combined height of the switching electrodes being such that: when the metal strip 13 is arranged on the upper part of the switch electrode, the first electrode 14 and the second electrode 15 can be conducted, after the metal strip 13 leaves the upper part of the switch electrode, the first electrode 14 and the second electrode 15 are mutually opened, and the switch electrode is electrically connected in series with a branch where the microwave transmitting head 23 is arranged; in specific implementation, the control motor 12 operates at a fixed rotation speed under preset control, and the metal strip 13 rotates around the axis of the control motor 12 at the same time according to the fixed rotation speed, so that a certain group of the first electrodes 14 and the second electrodes 15 are mutually closed once in a rotation period, and a branch where the certain group of the first electrodes 14 and the second electrodes 15 are located completes one work in the period; the dynamic switch in the invention adopts the structure, the periodic closing and opening of different circuit branches can be flexibly modulated by controlling the self-rotation of the motor 12, and meanwhile, the period can be flexibly modulated by controlling the self-rotation speed of the motor 12. It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are illustrative and not exclusive in all respects. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. Obstetrical microwave treatment equipment for uterine cavity comprises a mounting rod (1) and a microwave probe (2) fixed at the lower end of the mounting rod (1), wherein a round table-shaped guide piece (3) is arranged at one end of the microwave probe (2) deviating from the mounting rod (1), the diameter of the end of the guide piece (3) deviating from the microwave probe (2) is smaller, the obstetrical microwave treatment equipment is characterized in that a disc (4) is coaxially sleeved on the mounting rod (1), a sleeve (5) is fixed on the disc (4), a plurality of guide rods (6) which are in vertical sliding connection with the disc (4) are uniformly distributed and circumferentially on the disc (4), arc plates (7) facing the microwave probe (2) are fixed at the lower ends of the guide rods (6), each arc plate (7) sequentially contacts to form a cylindrical structure, the guide rods (6) downwards penetrate through the sleeve (5), limiting holes are arranged on the guide rods (6), and limiting blocks (8), a limiting pressure spring (9) is arranged between the limiting block (8) and the bottom of the limiting hole, the limiting block (8) can extend out of the limiting hole under the action of the limiting pressure spring (9), the upper part of the limiting block can be contacted with the sleeve (5) to limit the guide rod (6), one end of the guide rod (6), which extends out of the disc (4), is provided with a driving pressure spring (10) which enables the guide rod (6) to move upwards, the mounting rod (1) is coaxially and rotatably sleeved with an end face cam (11), the working surface of the end face cam (11) is divided into a wave peak area (12) and a wave valley area (13), the limiting block (8) connected to the guide rod (6) contacted with the wave peak area (12) is positioned below the sleeve (5), the limiting block (8) on the guide rod (6) retracts to the limiting hole, and then the guide rod (6) is contacted with the wave valley area (13) of the end face cam (11) under the action, arc (7) are made by the material of reflection microwave, be equipped with on installation pole (1) with terminal surface cam (11) coaxial relative pivoted reset plate (14), sliding connection has release link (15) about reset plate (14), and the lower extreme of release link (15) is fixed with reset block (16), and one side that reset block (16) are close to installation pole (1) is the inclined plane of slope to installation pole (1) direction downwards, and lower extreme and inclined plane that reset block (16) are located stopper (8) can drive stopper (8) withdrawal limiting hole downthehole, peak area (12) of terminal surface cam (11) only can contact with a guide bar (6) simultaneously, peak area (12) and trough area (13) smooth transition.
2. Obstetrical uterine cavity microwave treatment device according to claim 1, characterized in that the return arm (15) is provided with a stop flange (17) located below the return plate (14), a return spring (22) being provided between the stop flange (17) and the return plate (14).
3. Obstetrical uterine cavity microwave treatment device according to claim 2, characterized in that the reset rod (15) extends upwards from the reset plate (14) and has a mounting block at its extended end, a support seat (18) is provided at one side of the mounting block, the support seat (18) is rotatably connected with a control lever (19), a sliding slot is provided in the middle of one end of the control lever (19), a drive pin extending into the sliding slot is fixed on the mounting block, and the support seat (18) is rotatably connected with the middle of the control lever (19).
4. Obstetrical uterine cavity microwave treatment device according to claim 1 or 3, characterized in that a guiding flange (20) is provided on the guiding rod (6) above the disc (4), the driving compression spring (10) being sleeved on the guiding rod (6) between the guiding flange (20) and the disc (4).
5. Obstetrical uterine cavity microwave treatment device according to claim 1, characterized in that a connecting rod (21) is fixed to the end of the mounting rod (1) facing away from the microwave probe (2).
6. Obstetrical uterine cavity microwave treatment device according to claim 1, characterized in that the guide (3) is made of a microwave-reflecting material.
7. Obstetrical uterine cavity microwave treatment device according to claim 1 or 8, characterized in that, when the arc-shaped plate (7) is positioned at the lowermost end, the arc-shaped plate (7) is in contact with the guide member (3), the inner side of the upper end of the arc-shaped plate (7) is in contact fit with the mounting rod (1), and the lower end of the mounting rod (1) is made of a material reflecting microwaves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010476564.8A CN111821018B (en) | 2019-07-22 | 2019-07-22 | Microwave treatment equipment for uterine cavity of obstetrical department |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659689.1A CN110384554B (en) | 2019-07-22 | 2019-07-22 | Microwave therapeutic device for uterine cavity for obstetrical department |
| CN202010476564.8A CN111821018B (en) | 2019-07-22 | 2019-07-22 | Microwave treatment equipment for uterine cavity of obstetrical department |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910659689.1A Division CN110384554B (en) | 2019-07-22 | 2019-07-22 | Microwave therapeutic device for uterine cavity for obstetrical department |
Publications (2)
| Publication Number | Publication Date |
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| CN111821018A true CN111821018A (en) | 2020-10-27 |
| CN111821018B CN111821018B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910659689.1A Expired - Fee Related CN110384554B (en) | 2019-07-22 | 2019-07-22 | Microwave therapeutic device for uterine cavity for obstetrical department |
| CN202010476530.9A Active CN111821017B (en) | 2019-07-22 | 2019-07-22 | Microwave therapeutic device for uterine cavity for obstetrical department |
| CN202010476564.8A Active CN111821018B (en) | 2019-07-22 | 2019-07-22 | Microwave treatment equipment for uterine cavity of obstetrical department |
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| CN201910659689.1A Expired - Fee Related CN110384554B (en) | 2019-07-22 | 2019-07-22 | Microwave therapeutic device for uterine cavity for obstetrical department |
| CN202010476530.9A Active CN111821017B (en) | 2019-07-22 | 2019-07-22 | Microwave therapeutic device for uterine cavity for obstetrical department |
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| CN (3) | CN110384554B (en) |
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- 2019-07-22 CN CN201910659689.1A patent/CN110384554B/en not_active Expired - Fee Related
- 2019-07-22 CN CN202010476530.9A patent/CN111821017B/en active Active
- 2019-07-22 CN CN202010476564.8A patent/CN111821018B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110384554B (en) | 2020-06-30 |
| CN111821017B (en) | 2022-11-11 |
| CN111821018B (en) | 2022-11-11 |
| CN110384554A (en) | 2019-10-29 |
| CN111821017A (en) | 2020-10-27 |
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