CN203399070U

CN203399070U - Pulse generating device for treating swallowing dysfunction

Info

Publication number: CN203399070U
Application number: CN201320429130.8U
Authority: CN
Inventors: 万永钢; 姜兆省; 李赛
Original assignee: SUZHOU HAOBRO MEDICAL DEVICE CO Ltd
Current assignee: SUZHOU HAOBRO MEDICAL DEVICE CO Ltd
Priority date: 2013-07-18
Filing date: 2013-07-18
Publication date: 2014-01-15
Anticipated expiration: 2023-07-18

Abstract

A pulse generating device for treating a swallowing dysfunction comprises a power supply module, a control module, a man-machine interaction module and smooth pulse generating module. The power supply module comprises a power transformer, a rectifying voltage stabilizer and a protecting filter. The control module comprises a digital-to-analogue conversion module and a pulse generating module. The man-machine interaction module comprises an MCU, a film key, a dot matrix display module and an intensity adjusting module. One end of the power supply module is connected with the control module, and the other end of the power supply module is connected with the smooth pulse generating module. One end of the control module is connected with the power supply module, one end of the control module is connected with the smooth pulse generating module, and another end of the control module is interconnected with the man-machine interaction module. An input pulse signal of the smooth pulse generating module goes through resistors, capacitors and a differentiating circuit composed of an operational amplifier, and then voltage is output by utilizing an isolated output transformer. A smoother pulse signal peak can be achieved, and patients cannot feel stinging pain during treatment.

Description

A kind of pulse generating unit for the treatment of dysphagia

Technical field

The utility model relates to medical instruments field, particularly a kind of pulse generating unit for the treatment of dysphagia.

Background technology

Ingest-swallow and refer to that food is from by cognition, direct oral cavity, the overall process that pharyngeal, oesophagus arrives stomach.The cranial nerve participating in comprises trigeminal neuralgia, facial nerve, glossopharyngeal nerve, accessory nerve, hypoglossal nerve, and the muscle of only participating in pharyngeal swallowing activity directly just has 26, does not also comprise the relevant muscle of supporting, ingesting-swallowing is very complicated physiological activity.Dysphagia is that Bilateral hemispheres and Detection of brain stem damage cause later, is the common complication of cerebral apoplexy and patient with brain trauma.The complication of dysphagia comprises aspiration pneumonia, malnutrition, Body weight loss, dehydration, even suffocates.

The treatment of dysphagia is being carried out under the means such as conventional function of deglutition training, direct ingesting training, psychological hint, and assisting deglutition treating dysfunction instrument is treated, and can obtain good rehabilitation result.But, the existing pain that can produce when therapeutic instrument for rehabilitation is treated patient as acupuncture of swallowing, long-term use also can produce harmful effect to human body, and makes patient produce the psychology of conflicting, and is unfavorable for therapeutic purposes.

Therefore need a kind of pulse generating unit that can make pulse signal peak value become mild, the pain as the acupuncture producing when alleviating treatment, reduction of patient additional pain when treatment dysphagia.

Utility model content

For above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of pulse generating unit for the treatment of dysphagia, to realize more mild pulse signal peak value, alleviates the pain that instrument treatment produces patient.

In order to realize above-mentioned utility model object, the technical solution adopted in the utility model is as follows:

Treat a pulse generating unit for dysphagia, comprise power module, control module, human-computer interaction module, and mild pulse generation module; Described power module comprises power transformer, rectifying pressurizer and protecting filter; Described control module comprises D/A converter module, pulse generation module; Described human-computer interaction module comprises MCU, film key, lattice display module and intensity adjustment module; Power module one end is connected with control module, and the other end is connected with mild pulse generation module; Control module one end is connected with power module, and the other end is connected with mild pulse generation module, also has between one end and human-computer interaction module and interconnects; The input pulse signal of described mild pulse generation module, through after the differential circuit of resistance, electric capacity and operational amplifier, utilizes isolating output transformer output voltage.

Further, the voltage swing of the intensity adjustment module of described human-computer interaction module output is adjustable.

Further, the pulse signal of described pulse generation module output is the waveform circulating according to 20ms high level → 20ms low level → 20ms high level → 40ms low level → 40ms high level → 20ms low level → 40ms high level → 40ms low level mode.

Further, the voltage of described mild pulse generation module output is adjustable continuously at 0～25V.

The pulse generating unit of the treatment dysphagia that the utility model provides, its device integrated level is high, simple in structure, easily operation; There is pulse conditioning functions, realize the automatic adjusting of pulse signal, and export predetermined voltage, thereby keep the stability of output voltage in therapeutic process, kept the continuation for the treatment of; Can realize more mild pulse signal peak value, when patient treats, can not produce the pain as acupuncture, there is good result for the treatment of; And can enable to measure utilization more fully, be suitable for the auxiliary curing of dysphagia.

Accompanying drawing explanation

Fig. 1 is the working envelope figure of the pulse generating unit for the treatment of dysphagia;

Fig. 2 is the functional-block diagram of power module in Fig. 1;

Fig. 3 is the functional-block diagram of control module and human-computer interaction module in Fig. 1;

Fig. 4 is the circuit theory diagrams of the intensity adjustment module shown in Fig. 3;

Fig. 5 is the circuit theory diagrams of the pulse generation module shown in Fig. 3;

Fig. 6 is the pulse signal waveform figure of pulse generation module;

Fig. 7 is the circuit theory diagrams of mild pulse generation module in Fig. 1;

Fig. 8 is the operation principle block diagram of the pulse generating unit for the treatment of dysphagia.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

The present embodiment provides a kind of pulse generating unit for the treatment of dysphagia, as shown in Figure 1, comprise power module 1, control module 2, human-computer interaction module 3, and mild pulse generation module 4, power module 1 one end is connected with control module 2, and the other end is connected with mild pulse generation module 4; Control module 2 one end are connected with power module 1, and the other end is connected with mild pulse generation module 4, also has between one end and human-computer interaction module 3 and interconnects.

As shown in Figure 2, described power module 1 comprises power transformer 5, rectifying pressurizer 6 and protecting filter 7.Power module 1 is connected on the AC power output line of 220V60W; power transformer 5 adopts conventional step-down transformer; AC power is after power transformer 5 step-downs; pass through again rectifying pressurizer 6 and protecting filter 7; the D.C. regulated power supply of output 3.3V, 5V and 12V; the direct voltage of the 3.3V-5V scope of output is provided as the operating voltage of control module 2 and human-computer interaction module 3, and the 12V direct voltage of output offers the input of mild pulse generation module 4 as operating voltage.

As shown in Figure 3, described control module 2 comprises D/A converter module 8 and pulse generation module 9.Described human-computer interaction module 3 comprises microprocessor control unit (Microprocessor Control Unit, MCU) 10, film key 11, lattice display module 12 and intensity adjustment module 13, by film key 11, signal is input in MCU10, by MCU10 instruction lattice display module 12 and intensity adjustment module 13 and command signal is input in the D/A converter module 8 of control module 2, and intensity adjustment module 13 provides reference voltage for D/A converter module 8.

As shown in Figure 4, intensity adjustment module 13 comprises resistance R 5, resistance R 6, resistance R 7, capacitor C 6, capacitor C 7 and operational amplifier 14.In intensity adjustment module 13, first regulate the duty ratio of pulse width modulation (PWM) signal of input, then pass through the filtering of the current limliting of resistance R 5, resistance R 6 and capacitor C 6, capacitor C 7, by operational amplifier 14, signal is transformed into voltage again, finally by crossing R7, carry out current limliting, thereby the size of voltage U o1 that reaches output is adjustable, and then makes the reference voltage of D/A converter module 8 adjustable.

As shown in Figure 5, pulse generation module 9 comprises digital to analog converter 15, power amplifier 16, capacitor C 8 and resistance R 8, and digital to analog converter 15 adopts Voltage-output type digital to analog converter, preferably analog-digital chip TLV5627.The voltage U o1 of intensity adjustment module 13 outputs is through after D/A converter module 8, in input pulse generation module 9, utilize digital to analog converter 15 to produce the square wave of different duty, after signal being amplified through power amplifier 16, again after resistance R 8 and capacitor C 8, the pulse signal Vi that differential circuit output needs.This pulse signal Vi is the waveform circulating according to 20ms high level → 20ms low level → 20ms high level → 40ms low level → 40ms high level → 20ms low level → 40ms high level → 40ms low level mode, and this waveform as shown in Figure 6.

As shown in Figure 7, mild pulse generation module 4 comprises resistance R 1, resistance R 2, resistance R 3, resistance R 4, capacitor C 1, capacitor C 2, capacitor C 3, capacitor C 4, capacitor C 5, operational amplifier 17 and isolating output transformer 18.The pulse signal Vi of input, after the current limliting of process resistance R 1 and capacitor C 1, capacitor C 2, it is more mild that peak value becomes.The waveform of pulse signal Vi produces the boost pulse needing after processing through the differential circuit of operational amplifier 17, and each jumping moment at the waveform of pulse signal Vi produces boost pulse.Utilize isolating output transformer 18 output voltage V o, the voltage Vo of output is adjustable continuously at 0～25V.When patient treats, can not produce the pain as acupuncture, and can enable to measure more fully and utilize.

As shown in Figure 8, when this pulse generating unit starts, the operation principle block diagram of the pulse generating unit for the treatment of dysphagia first switches on power starting impulse generating means; Program is carried out peripheral hardware self check and timer initialization, the warning of reporting to the police while finding fault; After timer initialization, main program carries out scan round, carry out in real time button detection, detect the input of the film key 11 of human-computer interaction module 3, and carry out dot matrix demonstration according to the input of film key 11, thereby carry out the setting of time waveform intensity, by the output voltage of adjusting strength adjustment module 13, control the reference voltage of D/A converter module 8; Between D/A converter module 8 and pulse generation module 9, interact, the 9 output pulses of pulse generation module produce signal Vi; Pulse signal Vi inputs in mild pulse generation module 4, this signal carries out pulse conditioning in mild pulse generation module 4, and output feedback, then judge whether pulse normal (whether meeting therapeutic purposes), if pulse is undesired, re-start pulse conditioning, if pulse is normal, pulse output, thus provide treatment required output voltage V o; After regularly finishing, pulse generating unit shutdown, and again automatically switching on power, in wait state, if do not shut down, pulse generating unit end of run.

The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims

1. a pulse generating unit for the treatment of dysphagia, is characterized in that, comprises power module, control module, human-computer interaction module, and mild pulse generation module;

Described power module comprises power transformer, rectifying pressurizer and protecting filter;

Described control module comprises D/A converter module, pulse generation module;

Described human-computer interaction module comprises MCU, film key, lattice display module and intensity adjustment module;

Power module one end is connected with control module, and the other end is connected with mild pulse generation module; Control module one end is connected with power module, and the other end is connected with mild pulse generation module, also has between one end and human-computer interaction module and interconnects;

The input pulse signal of described mild pulse generation module, through after the differential circuit of resistance, electric capacity and operational amplifier, utilizes isolating output transformer output voltage.

2. the pulse generating unit for the treatment of dysphagia according to claim 1, is characterized in that, the voltage swing of the intensity adjustment module output of described human-computer interaction module is adjustable.

3. the pulse generating unit for the treatment of dysphagia according to claim 2, it is characterized in that, the pulse signal of described pulse generation module output is the waveform circulating according to 20ms high level → 20ms low level → 20ms high level → 40ms low level → 40ms high level → 20ms low level → 40ms high level → 40ms low level mode.

4. the pulse generating unit for the treatment of dysphagia according to claim 3, is characterized in that, the voltage of described mild pulse generation module output is adjustable continuously at 0～25V.