阅读说明：本技术 一种内窥镜使用寿命监测装置 (Endoscope life monitoring devices ) 是由 李凯 刘袁帅 金美德 于 2020-04-13 设计创作，主要内容包括：本发明公开一种内窥镜使用寿命监测装置,包括设于内窥镜操作手柄的光敏电阻传感器与单片机,光敏电阻传感器的感应端与内窥镜光源形成配合；光敏电阻传感器与单片机的输入接口相连；内窥镜工作时,光敏电阻传感器感应内窥镜光源,并将感应信号发送给单片机,单片机收到感应信号后对感应信号的持续时间T进行计时,当持续时间T≥预设的手术时间T1时,单片机确定为一次有效手术、并进行记录存储；从而能够简单地获取内窥镜的手术次数,方便医护人员判断使用寿命,节约医疗资源。(The invention discloses an endoscope service life monitoring device, which comprises a photosensitive resistance sensor and a singlechip, wherein the photosensitive resistance sensor is arranged on an endoscope operating handle; the photosensitive resistance sensor is connected with an input interface of the singlechip; when the endoscope works, the photosensitive resistance sensor senses the light source of the endoscope and sends a sensing signal to the single chip microcomputer, the single chip microcomputer counts the duration T of the sensing signal after receiving the sensing signal, and when the duration T is not less than the preset operation time T1, the single chip microcomputer determines that an effective operation is performed for one time and records and stores the operation; therefore, the operation times of the endoscope can be simply acquired, the medical care personnel can conveniently judge the service life, and the medical resources are saved.)

1. The endoscope service life monitoring device is characterized by comprising a photosensitive resistance sensor and a single chip microcomputer, wherein the photosensitive resistance sensor is arranged on an endoscope operating handle; the photosensitive resistance sensor is connected with an input interface of the singlechip;

when the endoscope works, the photosensitive resistance sensor senses the endoscope light source and sends a sensing signal to the single chip microcomputer, the single chip microcomputer counts the duration time T of the sensing signal after receiving the sensing signal, and when the duration time T is larger than or equal to the preset operation time T1, the single chip microcomputer determines that an effective operation is performed, and records and stores the operation.

2. The endoscope lifetime monitoring device according to claim 1, wherein when the endoscope is not in operation, the single chip microcomputer operates in a sleep mode; when the single chip microcomputer receives the induction signal, the single chip microcomputer is awakened from a sleep mode to enter a low power consumption mode, and the operation time is recorded; and when the single chip microcomputer does not receive the induction signal after the time T2, the low power consumption mode is switched into the sleep mode.

3. An endoscope lifetime monitoring device according to claim 1, wherein said operation time T1 is 25-30 min.

4. An endoscope lifetime monitoring apparatus according to claim 2, wherein said time T2 is 10-20 s.

5. An endoscope lifetime monitoring apparatus as claimed in any one of claims 1 to 4, wherein said photoresistor sensor is a photo-transistor.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a device for monitoring the service life of an endoscope.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software, and is widely applied to medical treatment.

The service life of the endoscope is one of important indexes concerned by medical care personnel, and factors influencing the service life of the endoscope mainly comprise the quality of an endoscope body, a hospital disinfection and sterilization mode, the operation habit, the storage condition and environment of a user, the position and the size of renal pelvis and ureteral calculus of a patient and the like, and the factors comprehensively influence the service life of the endoscope.

The life span of an endoscope during an actual procedure is therefore generally difficult to calculate and assess, and time and effort is consumed if a specialized CRC is scheduled or hospital health care personnel are recording the number of procedures per endoscope.

Disclosure of Invention

The invention aims to provide an endoscope service life monitoring device which can simply record the operation times of an endoscope, is convenient for medical staff to judge the service life and saves medical resources.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a device for monitoring the service life of an endoscope comprises a photosensitive resistance sensor and a singlechip, wherein the photosensitive resistance sensor is arranged on an operating handle of the endoscope; the photosensitive resistance sensor is connected with an input interface of the singlechip;

when the endoscope works, the photosensitive resistance sensor senses the endoscope light source and sends a sensing signal to the single chip microcomputer, the single chip microcomputer counts the duration time T of the sensing signal after receiving the sensing signal, and when the duration time T is larger than or equal to the preset operation time T1, the single chip microcomputer determines that an effective operation is performed, and records and stores the operation.

Further, when the endoscope does not work, the single chip microcomputer works in a sleep mode; when the single chip microcomputer receives the induction signal, the single chip microcomputer is awakened from a sleep mode to enter a low power consumption mode, and the operation time is recorded; and when the single chip microcomputer does not receive the induction signal after the time T2, the low power consumption mode is switched into the sleep mode.

Further, the operation time T1 is 25-30 min.

Furthermore, the time T2 is 10-20 s.

Furthermore, the photoresistor sensor adopts a phototriode.

The endoscope has the advantages that the working state of the endoscope is judged by the photoresistor sensor, the duration time of the received sensing signal is timed by the single chip microcomputer, and when the duration time T is more than or equal to the preset operation time T1, the single chip microcomputer determines that an effective operation is performed and records and stores the operation; therefore, the operation times of the endoscope can be simply acquired, the medical care personnel can conveniently judge the service life, and the medical resources are saved.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the circuit principle of the present invention.

Detailed Description

As shown in FIG. 1, the invention provides an endoscope service life monitoring device, which comprises a photoresistor sensor Q1 arranged on an endoscope operating handle 1 and a singlechip U1, wherein the sensing end of the photoresistor sensor Q1 is matched with an endoscope light source; preferably, one end of a light cone 2 of the endoscope light source is connected with the light guide optical fiber 3, the other end of the light cone is connected with the LED light source 4 through a light guide beam, and the sensing end of the photoresistor sensor Q1 is connected with the connecting end of the light cone 2 and the light guide optical fiber 3 so as to be matched with the endoscope light source; the photosensitive resistance sensor Q1 is connected with the input interface of the singlechip U1.

Referring to fig. 2, the invention is specifically described in combination with a circuit, a single chip microcomputer U1 of the invention adopts a low power consumption single chip microcomputer STM8L051F3P6, and a direct current power supply BAT, a working switch S1, resistors R1, R2 and R3, capacitors C1 and C2, a programming interface J1 and a storage interface J2 are arranged on the periphery of the single chip microcomputer U1. DC power supply BAT

For supplying power to the device, a collector of the photosensitive resistance sensor Q1 is connected with a positive electrode of a direct current power supply BAT, an emitter is connected with a PD0 port of the singlechip U1, and the emitter is grounded through a resistor R1; the positive electrode of a direct current power supply BAT is connected with a VDD port of the singlechip U1, one end of a resistor R2 is connected with the positive electrode of the direct current power supply BAT after being connected with a capacitor C1 in series, the other end of the resistor R2 is connected with a VSS port of the singlechip U1, and the VSS port is grounded; the working switch S1 is connected in parallel with two ends of the capacitor C1; a power supply port of the programming interface J1 is connected with the positive electrode of the direct-current power supply BAT, an SWM port is connected with a PA0 port of the singlechip U1, a GND port is grounded, and an NRST port is respectively connected with an RST port of the singlechip U1 and a connecting end of the resistor R2 and the capacitor C1; the power supply port of the storage interface J2 is connected with the anode of a direct current power supply BAT through a resistor R3, the RSD end is connected with the PC6 port of the singlechip U1, the TXD end is connected with the PC5 port of the singlechip U1, and the GND port is grounded.

When the endoscope works, the LED light source 4 transmits illumination to the light guide optical fiber 3 through the light cone 2, the photoresistor sensor Q1 senses a light signal and sends the sensing signal to the single chip microcomputer U1, the single chip microcomputer U1 counts the duration T of the sensing signal after receiving the sensing signal, and when the duration T is not less than the preset operation time T1, the single chip microcomputer determines that an effective operation is performed and records and stores the operation. Preferably, the operation time T1 is 25-30 min. When the endoscope does not work, the singlechip U1 works in a sleep mode; when the single chip microcomputer receives the induction signal, awakening the single chip microcomputer U1 from a sleep mode to enter a low power consumption mode, and recording the operation time; and when the single chip microcomputer does not receive the induction signal after the time T2, the low power consumption mode is switched into the sleep mode.

The capacitors C1 and C2 can eliminate noise toggle of the direct current power supply BAT; the resistor R1 plays a role in voltage stabilization, and the photoresistor sensor Q1 conducts current and flows through the resistor R1 to cause voltage drop, so that high level is provided for the circuit; the working switch S1 provides a reset function for the singlechip, and the low level is effective; the endoscope operation times stored by the single chip microcomputer can be read through the storage interface J2, so that medical workers can conveniently judge the service life, and medical resources are saved.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.