CN216676730U

CN216676730U - Percutaneous jaundice detector

Info

Publication number: CN216676730U
Application number: CN202123440825.XU
Authority: CN
Inventors: 李四妹; 卢宇
Original assignee: Guangdong Xiaobaituan Technology Co ltd
Current assignee: Guangdong Xiaobaituan Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a percutaneous jaundice detector, which relates to the technical field of medical equipment and comprises a shell, a circuit board, a photoelectric probe and a power supply device, wherein the shell is provided with a first end and a second end; the circuit board is fixed inside the shell and is provided with a microswitch and a processor; the power supply device is electrically connected with the circuit board and used for supplying power to the circuit board; an opening is formed in the end portion of the shell, the photoelectric probe is slidably mounted on the opening, the head portion of the photoelectric probe is located outside the shell, and the tail portion of the photoelectric probe is located inside the shell; when the photoelectric probe slides left and right on the opening, the tail part of the photoelectric probe presses the micro switch or is far away from the micro switch, so that the micro switch is turned on or turned off. The advantages are that: the percutaneous jaundice detector reduces the design difficulty, is small and exquisite in overall product, is flexible, and greatly reduces the cost.

Description

Percutaneous jaundice detector

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a percutaneous jaundice detector.

Background

At present, the percutaneous jaundice detector commonly used in hospitals is complex in structure, large in size and high in price, and is not suitable for being popularized and used in common families. The main reason is that the xenon lamp is generally used as a light source in the existing percutaneous jaundice detector, the xenon lamp generally needs an instant high-voltage driving circuit to normally emit light, and the use of the optical filter and the coaxial optical fiber also makes the design of an optical path system extremely complex, the price of the spectroscope is high, and the cost is very high. Therefore, the percutaneous jaundice detector manufactured by the traditional xenon lamp light splitting principle is heavy in appearance and high in price, and the selling price of part of models is as high as ten thousands of RMB.

In another method, two light sources of 450nm and 550nm are directly selected to alternately irradiate the skin, and then the reflected light intensities are respectively identified. The filterable process of beam split can be avoided to the second kind mode, reduction in production cost, but because there are two light sources, drive control circuit is more complicated, simultaneously because the illumination of blue-green light gathers inequality, and the product is handheld, and every moment is changed with the contact condition of skin, is that the value of two way light subtracts in the follow-up calculation, and this change can bring great error, and different LED light decay is different in addition, long-time the use, and data stability is influential.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a percutaneous jaundice detector which reduces the design difficulty, is small and exquisite in overall product, is flexible and greatly reduces the cost.

The utility model provides a percutaneous jaundice detector, which comprises a shell, a circuit board, a photoelectric probe and a power supply device, wherein the shell is provided with a first end and a second end; the circuit board is fixed inside the shell and is provided with a microswitch and a processor; the power supply device is electrically connected with the circuit board and used for supplying power to the circuit board; an opening is formed in the end portion of the shell, the photoelectric probe is slidably mounted on the opening, the head portion of the photoelectric probe is located outside the shell, and the tail portion of the photoelectric probe is located inside the shell; when the photoelectric probe slides left and right on the opening, the tail part of the photoelectric probe presses the micro switch or is far away from the micro switch, so that the micro switch is turned on or turned off.

Further, the shell comprises an upper cover and a lower cover, an upper cover notch is formed in the end portion of the upper cover, a lower cover notch is formed in the end portion of the lower cover, the upper cover is covered on the lower cover, and the upper cover notch and the lower cover notch form the opening.

Furthermore, the percutaneous jaundice detector further comprises a guide piece, a return spring and a limiting seat; the limiting seat is fixed on the lower cover, a sliding rod is arranged on the photoelectric probe, a sliding hole is formed in the limiting seat, the sliding rod can be inserted into the sliding hole in a sliding mode, the resetting spring is sleeved on the sliding rod, one end of the resetting spring abuts against the limiting seat, the other end of the resetting spring abuts against the photoelectric probe, and the resetting spring is used for providing force for the sliding rod to get away from the microswitch; the guide piece is arranged on the opening, and the head of the photoelectric probe is inserted on the guide piece in a sliding way; when the sliding rod slides in the sliding hole, the sliding rod presses the micro switch or is far away from the micro switch, so that the micro switch is turned on or turned off.

Further, the percutaneous jaundice detector further comprises a display panel and a display screen; the display panel is connected with the circuit board, a display screen is connected onto the display panel, a notch is formed in the lower cover, and the display screen is installed on the notch.

Further, the power supply device comprises a battery and a battery pole piece; the battery pole piece is connected with the circuit board, and the battery supplies power to the circuit board through the battery pole piece.

Furthermore, the upper cover is provided with a battery replacing port for replacing the battery, and the battery replacing port is detachably connected with a battery cover.

Further, percutaneous jaundice detector still includes the pilot lamp, the pilot lamp is connected on the circuit board, cover down and be equipped with the pilot lamp viewing aperture, will through the sealing washer the pilot lamp is fixed in pilot lamp viewing aperture department.

Further, percutaneous jaundice detector still includes toggle switch, toggle switch connects on the circuit board.

Further, percutaneous jaundice detector still includes the button, it presses the keyway to cover to be equipped with down, the button install in press in the keyway, through the button triggers soft button on the circuit board.

Further, percutaneous jaundice detector still includes the block, works as when percutaneous jaundice detector does not use, the block cover is in photoelectric probe's head.

The percutaneous jaundice detector provided by the utility model omits a spectroscope, the light source is replaced by the low-power-consumption LED light source, the light source driving circuit is simple in design, the light loss is reduced due to the use of the reflection cup, the requirement on light leakage of the structure is greatly reduced, and the structure cost is reduced; no matter this detector is from the hardware, still from structural design, has all reduced the design degree of difficulty, and whole product is also small and exquisite, and is nimble, and the cost reduces by a wide margin.

Drawings

Fig. 1 is an exploded view of a percutaneous jaundice detector according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of the structure of the yellow jaundice detector shown in FIG. 1.

FIG. 3 is a schematic diagram of the structure of the photoelectric probe, the guide, the return spring and the limiting seat of the anicteric detector shown in FIG. 1.

FIG. 4 is another schematic diagram of the arrangement of the yellow jaundice detector shown in FIG. 1.

The reference numerals and components referred to in the drawings are as follows:

1. case 11, upper cover 111, and battery replacement port

12. Lower cover 121, notch 122 and indicator light observation port

123. Push key groove 13, opening 131 and upper cover gap

132. Lower cover gap 14, battery cover 2 and circuit board

21. Microswitch 22, processor 3 and photoelectric probe

31. Slide bar 4, power supply unit 41, battery

42. Battery pole piece 5, guide piece 6, reset spring

7. Limiting seat 71, sliding hole 8 and display panel

9. Display screen 10, indicator lamp 100 and sealing ring

200. Toggle switch 300, button 400 and cap

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example 1

Fig. 1 is an exploded view of a percutaneous jaundice detector according to an embodiment of the present invention, and fig. 4 is another schematic structural diagram of the percutaneous jaundice detector shown in fig. 1. Referring to fig. 1 and 4, a percutaneous jaundice detector provided in an embodiment of the present invention includes a housing 1, a circuit board 2, a photoelectric probe 3, and a power supply device 4; the circuit board 2 is fixed inside the shell 1, and the circuit board 2 is provided with a microswitch 21 and a processor 22; the power supply device 4 is electrically connected with the circuit board 2 and used for supplying power to the circuit board 2; an opening 13 is arranged at the end part of the shell 1, the photoelectric probe 3 is slidably arranged on the opening 13, the head part of the photoelectric probe 3 is positioned outside the shell 1, and the tail part of the photoelectric probe 3 is positioned inside the shell 1; when the photoelectric probe 3 slides left and right over the opening 13, the tail of the photoelectric probe 3 presses the micro switch 21 or is away from the micro switch 21, so that the micro switch 21 is turned on or off.

It should be noted that the percutaneous jaundice detector of the utility model presses the microswitch 21 on the circuit board 2 through the photoelectric probe 3, triggers signal sampling, and obtains the jaundice value of the tested infant through software calculation in the processor 22;

the principle is that the principle characteristic that the absorption peak of hemoglobin at 550nm is the same as that at 450nm, the accurate bilirubin value can be obtained through the difference between detected blue light (central wavelength of 450nm) and green light (central wavelength of 550nm), blue-green light reflected by skin is respectively reflected to a photodiode through a blue-green filter, an original value is obtained through A/D collection, then filtering processing is carried out on the original value, difference calculation is carried out on processed data, the value is calibrated through a standard tool, and the difference is substituted into a formula to obtain the test value of the jaundice meter.

Specifically, the photoelectric probe 3 emits light from a single LED light source, transmits the light to the skin of a baby through an optical fiber, guides the light reflected by the skin into a light guide cup through a coaxial light guide column, guides the light into a blue-green filter respectively through the light condensation effect of the light guide cup, a photodiode is respectively arranged at the back of the blue-green filter to acquire light intensity data, an original value is acquired by utilizing the a/D acquisition of a single chip in the processor 22, then the original value is subjected to filtering processing, difference calculation is performed on the processed data, the value is calibrated through a standard tool, the difference is substituted into a formula, and a test value of the jaundice meter is obtained.

With further reference to fig. 1 and 4, the housing 1 includes an upper cover 11 and a lower cover 12, an upper cover notch 131 is provided at an end of the upper cover 11, a lower cover notch 132 is provided at an end of the lower cover 12, the upper cover 11 is covered on the lower cover 12, and the upper cover notch 131 and the lower cover notch 132 form the opening 13.

Fig. 2 is a schematic structural diagram of the anicteric detector shown in fig. 1, and fig. 3 is a schematic structural diagram of an electro-optical probe, a guide, a return spring and a limiting seat of the anicteric detector shown in fig. 1. Referring to fig. 2 and 3, the percutaneous jaundice detector of the present invention further includes a guide 5, a return spring 6, and a limiting seat 7; the limiting seat 7 is fixed on the lower cover 12, the photoelectric probe 3 is provided with a slide rod 31, the limiting seat 7 is provided with a slide hole 71, the slide rod 31 can be inserted into the slide hole 71 in a sliding manner, the slide rod 31 is sleeved with a reset spring 6, one end of the reset spring 6 abuts against the limiting seat 7, the other end of the reset spring abuts against the photoelectric probe 3, and the reset spring 6 is used for providing a force for the slide rod 31 to be far away from the microswitch 21; the guide 5 is arranged on the opening 13, and the head of the photoelectric probe 3 is inserted on the guide 5 in a sliding way; when the slide rod 31 slides in the slide hole 71, the slide rod 31 presses the micro switch 21 or moves away from the micro switch 21 to turn on or off the micro switch 21.

With further reference to fig. 1 and 4, the percutaneous jaundice detector provided by the present invention further includes a display panel 8 and a display screen 9; the display panel 8 is connected with the circuit board 2, the display panel 8 is connected with the display screen 9, the lower cover 12 is provided with a notch 121, and the display screen 9 is installed on the notch 121. It should be noted that, through the design of the display screen 9, the test value of the jaundice meter can be displayed on the display screen 9.

As shown in fig. 1 and 2, the power supply device 4 includes a battery 41 and a battery pole piece 42; the battery pole piece 42 is connected with the circuit board 2, and the battery 41 supplies power to the circuit board 2 through the battery pole piece 42. The upper cover 11 is provided with a battery replacement port 111 for replacing the battery 41, and a battery cover 14 is detachably connected to the battery replacement port 111.

As shown in fig. 1 and 4, the percutaneous jaundice detector provided by the present invention further includes an indicator 10, the indicator 10 is connected to the circuit board 2, the lower cover 12 is provided with an indicator viewing port 122, the indicator 10 is fixed to the indicator viewing port 122 through the seal ring 100, and the display state of the indicator 10 is observed through the indicator viewing port 122, so that the use state of the percutaneous jaundice detector is determined. In addition, the percutaneous jaundice detector further comprises a toggle switch 200, and the toggle switch 200 is connected to the circuit board 2; the on and off of the percutaneous jaundice detector are controlled by a toggle switch 200; the percutaneous jaundice detector further comprises a key 300, a key pressing groove 123 is formed in the lower cover 12, the key 300 is installed in the key pressing groove 123, and the soft key on the circuit board 2 is triggered through the key 300. The working state of the percutaneous jaundice detector is adjusted through the key 300. The percutaneous jaundice detector further comprises a cap 400, and when the percutaneous jaundice detector is not used, the cap 400 is sleeved on the head of the photoelectric probe 3.

Based on the above description, the present invention has the following advantages:

1. the percutaneous jaundice detector has the advantages that a spectroscope is omitted, the light source is replaced by the LED light source with low power consumption, the light source driving circuit is simple in design, the light loss is reduced due to the use of the reflecting cup, the requirement for light leakage of the structure is greatly reduced, and the structure cost is reduced; no matter this detector is from the hardware, still from structural design, has all reduced the design degree of difficulty, and whole product is also small and exquisite, and is nimble, and the cost reduces by a wide margin.

2. The percutaneous jaundice detector provided by the utility model can be used for performing percutaneous bilirubin measurement by using a photoelectric technology, an electronic technology and data processing, directly and accurately measuring a percutaneous bilirubin value related to serum bilirubin concentration, and directly displaying the serum bilirubin concentration value through equipment conversion.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A percutaneous jaundice detector is characterized by comprising a shell (1), a circuit board (2), a photoelectric probe (3) and a power supply device (4); the circuit board (2) is fixed inside the shell (1), and a microswitch (21) and a processor (22) are arranged on the circuit board (2); the power supply device (4) is electrically connected with the circuit board (2) and is used for supplying power to the circuit board (2);

an opening (13) is formed in the end portion of the shell (1), the photoelectric probe (3) is slidably mounted on the opening (13), the head portion of the photoelectric probe (3) is located outside the shell (1), and the tail portion of the photoelectric probe (3) is located inside the shell (1);

when the photoelectric probe (3) slides left and right on the opening (13), the tail part of the photoelectric probe (3) presses the micro switch (21) or is far away from the micro switch (21), so that the micro switch (21) is turned on or turned off.

2. The percutaneous jaundice detector of claim 1, wherein the housing (1) comprises an upper cover (11) and a lower cover (12), wherein an upper cover notch (131) is provided at an end of the upper cover (11), wherein a lower cover notch (132) is provided at an end of the lower cover (12), wherein the upper cover (11) is covered on the lower cover (12), and wherein the upper cover notch (131) and the lower cover notch (132) form the opening (13).

3. The percutaneous jaundice detector of claim 2, further comprising a guide (5), a return spring (6), and a limit seat (7); the limiting seat (7) is fixed on the lower cover (12), the photoelectric probe (3) is provided with a sliding rod (31), the limiting seat (7) is provided with a sliding hole (71), the sliding rod (31) is slidably inserted into the sliding hole (71), the resetting spring (6) is sleeved on the sliding rod (31), one end of the resetting spring (6) abuts against the limiting seat (7), the other end of the resetting spring abuts against the photoelectric probe (3), and the resetting spring (6) is used for providing a force for the sliding rod (31) to be far away from the microswitch (21); the guide piece (5) is arranged on the opening (13), and the head part of the photoelectric probe (3) is inserted on the guide piece (5) in a sliding way;

when the sliding rod (31) slides in the sliding hole (71), the sliding rod (31) presses the micro switch (21) or is far away from the micro switch (21) so that the micro switch (21) is turned on or turned off.

4. The percutaneous jaundice detector of claim 1, further comprising a display panel (8) and a display screen (9); the display panel (8) is connected with the circuit board (2), the display panel (8) is connected with a display screen (9), a notch (121) is formed in the lower cover (12), and the display screen (9) is installed on the notch (121).

5. The percutaneous jaundice detector of claim 2, wherein the power supply (4) includes a battery (41) and a battery pole piece (42); the battery pole piece (42) is connected with the circuit board (2), and the battery (41) supplies power to the circuit board (2) through the battery pole piece (42).

6. The percutaneous jaundice detector of claim 5, wherein the upper cover (11) is provided with a battery replacement opening (111) for replacing the battery (41), and a battery cover (14) is detachably connected to the battery replacement opening (111).

7. The percutaneous jaundice detector of claim 1, further comprising an indicator light (10), wherein the indicator light (10) is connected to the circuit board (2), an indicator light observation opening (122) is formed in the lower cover (12), and the indicator light (10) is fixed to the indicator light observation opening (122) through a sealing ring (100).

8. The percutaneous jaundice detector of claim 1, further comprising a toggle switch (200), wherein the toggle switch (200) is connected to the circuit board (2).

9. The percutaneous jaundice detector of claim 1, further comprising a button (300), wherein a key slot (123) is formed in the lower cover (12), the button (300) is installed in the key slot (123), and the button (300) triggers a soft button on the circuit board (2).

10. The percutaneous jaundice detector of claim 1, further comprising a cap (400), wherein the cap (400) fits over the head of the photoelectric probe (3) when the percutaneous jaundice detector is not in use.