Probe for detecting irregular wound bioelectricity and analyzer thereof

Abstract

The application discloses a probe for detecting irregular wound surface bioelectricity and an analyzer thereof, which comprises a skin bioelectricity probe (1) and a wound bioelectricity probe (2), the skin bioelectricity probe (1) is provided with a skin probe (11), the bioelectricity probe (2) is provided with a wound probe (21), the skin probe (11) and the wound probe (21) are made of metal materials, the skin probe (11) is tightly attached to normal skin, the wound probe (21) is arranged in the edge of a wound (3) and is in contact with the tissue of the wound (3), the skin probe (11) is connected with a first output lead, the wound probe (21) is connected with a second output lead, and the first output lead and the second output lead output the bioelectricity potential difference between the normal skin and the wound (3). The application provides the probe for detecting irregular wound surface bioelectricity and the analyzer thereof, is used for detecting the bioelectricity potential difference between the normal skin and the wound, and is convenient for doctors to evaluate the healing ability of the wound surface.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical equipment, and particularly relates to a probe for detecting irregular wound biological electricity and an analyzer thereof. BACKGROUND

[0002] Skin is the largest organ of the human body, and once it is damaged by the outside world, a wound will be formed. The bioelectric field is an electric signal from normal skin to the center of the wound after the wound is formed, which plays an important role in each stage of wound healing and scar formation in the remodeling period.

[0003] Wounds are common clinical diseases, but due to various injury factors and complex wound conditions, it is often impossible to obtain a unified evaluation method. The bioelectric field takes the trans-epithelial potential difference as the energy source, and can reflect the wound healing ability to a certain extent. This type of evaluation index and related device is lacking in clinical practice.

[0004] Therefore, based on the existing basic research, it is believed that the bioelectric detection instrument has certain prospects in wound evaluation.

[0005] Application No. 201811250720.8, application publication No. CN 109395244 A, and the invention name: wound repair patch based on bioelectricity discloses the following technical scheme, including a repair patch body, a layer of nutrient solution is attached to one side of the repair patch body, one enzyme electrode is connected to each side of the repair patch body, one of the two enzyme electrodes is an anode and the other is a cathode, and the enzyme electrode is in contact with the nutrient solution. The repair patch is based on the principle of bioelectricity, can effectively promote the absorption of effective components by the skin, and improve the nourishing and repairing effect on the skin.

[0006] The above-mentioned patent sets two enzyme electrodes, which are in contact with the nutrient solution, adopts the principle of bioelectricity, and promotes the absorption of effective components by the skin, but cannot detect the bioelectric potential difference between normal skin and a wound, and evaluate the wound healing ability.

[0007] The defect of the prior art is that there is a lack of a probe for detecting irregular wound biological electricity, which is used to detect the bioelectric potential difference between normal skin and a wound, and evaluate the wound healing ability. SUMMARY

[0008] Therefore, the purpose of the present application is to provide a probe for detecting irregular wound biological electricity, which is used to detect the bioelectric potential difference between normal skin and a wound, and evaluate the wound healing ability.

[0009] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0010] The application provides a probe for detecting irregular wound surface bioelectricity, which comprises a skin bioelectricity probe and a wound bioelectricity probe, the skin bioelectricity probe is provided with a skin probe, the wound bioelectricity probe is provided with a wound probe, the skin probe and the wound probe are made of metal materials, the skin probe is close to normal skin, the wound probe is arranged in the edge of a wound and contacts with the tissue of the wound, the skin probe is connected with a first output lead, the wound probe is connected with a second output lead, and the first output lead and the second output lead output the bioelectricity potential difference between the normal skin and the wound.

[0011] The skin probe is circular, the wound probe is needle-shaped, and the center distance between the skin probe and the wound probe is 1cm.

[0012] The skin bioelectricity probe is provided with an adhesive film, and the skin probe is adhered to the normal skin through the adhesive film.

[0013] The skin probe and the wound bioelectricity probe are connected through a force arm.

[0014] The wound bioelectricity probe is provided with a fixing sleeve, the fixing sleeve is provided with a stepped counterbore, the counterbore penetrates through the fixing sleeve, a small hole of the counterbore is opposite to the wound, a slide rod is slidably arranged in the small hole, a lower end of the slide rod is vertically provided with the wound probe, an upper end of the slide rod is provided with an end head, a reset spring is sleeved on the slide rod, and two ends of the reset spring are respectively in abutment with the end head and the step of the counterbore.

[0015] The force arm is made of elastic material, and two ends of the force arm are respectively connected with the skin probe and the fixing sleeve.

[0016] A magnet block is fixedly arranged at an upper end of the end head, an electromagnet is fixedly arranged at an upper end of the fixing sleeve, and the magnetic pole of the lower end of the electromagnet is the same as the magnetic pole of the upper end of the magnet block.

[0017] An analyzer comprising the probe, and the key lies in further comprising a signal processing device, the signal processing device comprises an amplification circuit, an analog-digital conversion circuit and a single-chip microcomputer, the single-chip microcomputer is connected with a keyboard and a display, the first output lead and the second output lead are connected with the amplification circuit, the amplification circuit amplifies the bioelectricity potential, the analog-digital conversion circuit is connected with the amplification circuit to convert the amplified bioelectricity potential into a digital signal, the single-chip microcomputer is connected with the analog-digital conversion circuit to convert the digital signal into an image and display the image through the display, and the single-chip microcomputer is further connected with a relay through a switching triode, and the relay controls the on-off of the electromagnet.

[0018] The application has the beneficial effects that the probe for detecting irregular wound surface bioelectricity is provided, the bioelectricity potential difference between the normal skin and the wound is detected, and the ability of the doctor to evaluate the wound healing is facilitated.

[0019] Additional advantages, objects, and features of the application will be apparent to those skilled in the art upon examination of the following specification. It is intended that the application not be limited by the disclosed implementation, but that it include all such variations and modifications to the full extent allowed by law. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the objects, technical solutions and advantages of the present application clearer, the preferred embodiments of the present application will be described in detail below with reference to the drawings, in which:

[0021] Figure 1 is a structural diagram of the present application;

[0022] Figure 2 is a use state diagram of the present application;

[0023] Figure 3 is a structural diagram of the wound probe and the contact cap;

[0024] Figure 4 is a sectional view of Figure 3 ;

[0025] Figure 5 is a circuit module diagram of the present application;

[0026] Figure 6 is a circuit diagram of the single-chip microcomputer;

[0027] Figure 7 is a circuit diagram of the analog-digital conversion circuit. DETAILED DESCRIPTION

[0028] The present application is described below by way of specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure of the specification. The present application can also be implemented or applied by different specific embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0029] The accompanying drawings are intended to serve only as illustrative examples, and the representations are only schematic and not to scale, and are not to be construed as limiting the present patent; for better understanding of the embodiments of the present patent, some components in the drawings are omitted, enlarged or reduced, and do not represent the actual size of the product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted. In addition, the present patent can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and / or arrangements being discussed.

[0030] As shown in Figures 1-7 The present patent provides a probe for detecting irregular wound surface bioelectricity, which comprises a skin bioelectricity probe 1 and a wound bioelectricity probe 2, the skin bioelectricity probe 1 is provided with a skin probe 11, the wound bioelectricity probe 2 is provided with a wound probe 21, the skin probe 11 and the wound probe 21 are made of metal material, the skin probe 11 is in close contact with normal skin, the wound probe 21 is arranged within the edge of a wound 3 and contacts the tissue of the wound 3, the skin probe 11 is connected with a first output lead, the wound probe 21 is connected with a second output lead, and the first output lead and the second output lead output the bioelectric potential difference between normal skin and the wound 3.

[0031] The skin probe 11 is in close contact with normal skin for obtaining the bioelectric potential of normal skin, and the wound probe 21 contacts the tissue of the wound 3 for obtaining the bioelectric potential of the wound 3. When the skin has the wound 3, the bioelectric potential difference between normal skin and the wound 3 appears, and the change of the potential difference reflects the healing ability of the wound 3, which is an important indicator for doctors to evaluate the healing ability of the wound 3. The wound potential difference of normal people will maintain a certain value, and will decay until the wound heals. However, the potential difference of chronic wound is smaller than that of normal wound. For example, the potential difference of hypoxic wound and diabetic wound is smaller. The smaller the bioelectric potential difference value is, the more difficult the wound is to heal.

[0032] The skin probe 11 is circular, and the wound probe 21 is needle-shaped. The center distance between the skin probe 11 and the wound probe 21 is 1 cm.

[0033] The skin probe 11 is circular, which is convenient for close contact with normal skin. The wound surface is irregular, and the needle-shaped wound probe 21 is used for detection. The center distance between the skin probe 11 and the wound probe 21 is set to 1 cm, which is convenient for obtaining the bioelectric potential difference of the set distance.

[0034] The skin bioelectricity probe 1 is provided with an adhesive film 12, and the skin probe 11 is adhered to the normal skin through the adhesive film 12. The adhesive film 12 covers the skin probe 11, which is convenient for fixing the skin probe 11 on the surface of the normal skin.

[0035] The skin probe 11 and the wound bioelectric probe 2 are connected through the force arm 4.

[0036] The skin probe 11 and the wound probe 21 are connected through the force arm 4, which is convenient for fixing the center distance between the skin probe 11 and the wound probe 21.

[0037] The wound bioelectric probe 2 is provided with a fixing sleeve 22, the fixing sleeve 22 is provided with a stepped counterbore 22a, the counterbore 22a penetrates through the fixing sleeve 22, the small hole of the counterbore 22a is opposite to the wound 3, the slide rod 23 is slidably arranged in the small hole, the lower end of the slide rod 23 is vertically provided with the wound probe 21, the upper end of the slide rod 23 is provided with the end head 24, the reset spring 25 is sleeved on the slide rod 23, and the two ends of the reset spring 25 are respectively in abutment with the end head 24 and the step of the counterbore 22a.

[0038] A downward pushing force is applied to the end head 24 by hand or other devices, the wound probe 21 at the lower end of the slide rod 23 slides downward, extends out of the small hole of the counterbore 22a, and contacts the tissue of the wound 3, and a jumping potential signal is output through the first output lead and the second output lead. After the end head 24 is released, the slide rod 23 slides upward under the action of the reset spring 25, and the wound probe 21 is separated from the wound 3.

[0039] The force arm 4 is made of elastic material, and the two ends of the force arm 4 are respectively connected with the skin probe 11 and the fixing sleeve 22.

[0040] The force arm 4 is made of elastic material, and the fixing sleeve 22 can be appropriately moved up and down, which is convenient for use.

[0041] The upper end of the end head 23 is fixedly provided with a magnet block 26, the upper end of the fixing sleeve 22 is fixedly provided with an electromagnet 27, and the magnetic pole at the lower end of the electromagnet 27 is the same as the magnetic pole at the upper end of the magnet block 26.

[0042] When the electromagnet 27 is powered on, the magnetic pole at the lower end of the electromagnet 27 is the same as the magnetic pole at the upper end of the magnet block 26, and the same poles repel each other, the electromagnet 27 pushes the wound probe 21 downward through the magnet block 26, and the wound probe 21 contacts the tissue of the wound 3; after the electromagnet 27 is powered off, the slide rod 23 slides upward under the action of the reset spring 25, and the wound probe 21 is separated from the wound 3.

[0043] As Figures 5-7As shown, an analyzer comprising the probe, the key is further comprising signal processing device 5, signal processing device 5 includes amplification circuit, analog-digital conversion circuit and single-chip microcomputer, single-chip microcomputer is connected with keyboard and display, first output lead and second output lead connect amplification circuit, amplification circuit amplifies bioelectric potential, analog-digital conversion circuit connects amplification circuit and converts the amplified bioelectric potential into digital signal, single-chip microcomputer connects analog-digital conversion circuit and converts digital signal into image through display, single-chip microcomputer is also connected with relay through switch triode, and relay controls on-off of electromagnet 27.

[0044] The amplification circuit is composed of integrated operational amplifier, and the amplification circuit amplifies bioelectric potential, facilitating sampling;The analog-digital conversion circuit is provided with an ADC0804 analog-digital conversion module, which converts the amplified bioelectric potential into a digital signal, and the single-chip microcomputer adopts an STM32F103 single-chip microcomputer, which converts the digital signal into a numerical value or an image and displays it through the display. The single-chip microcomputer also controls the on-off of the coil of the relay J1 through the switch triode Q1, and the normally open switch of the relay J1 controls the on-off of the electromagnet 27. When sampling, the electromagnet 27 is powered on.

[0045] The lower end of the wound probe 21 is provided with a hemispherical shell-shaped contact cap 211, the contact cap 211 is made of elastic metal material, the outer wall of the contact cap 211 is provided with a ring of air holes 212, the air holes 212 are close to the lower end of the wound probe 21, the contact cap 211 is provided with a distance sensor 213 inside, the distance sensor 213 is fixedly connected with the lower end of the wound probe 21, and the distance sensor 213 is connected with the single-chip microcomputer. The distance sensor 213 detects the deformation of the contact cap 211 and sends it to the single-chip microcomputer.

[0046] The contact cap 211 is made of elastic metal material, when the contact cap 211 contacts the wound 3, the contact cap 211 deforms, the normal skin or the skin after scabbing has high elasticity and large deformation;The skin after ulceration has small elasticity and small deformation;The deformation of the contact cap 211 is detected by the distance sensor 213 and sent to the single-chip microcomputer, so as to facilitate the doctor to evaluate the healing condition of the wound 3, and the air holes 212 facilitate air outlet and facilitate deformation of the contact cap 211.

[0047] The present application comprises the following aspects:

[0048] The skin probe 11 wrapped in the adhesive film 12 and the freely movable wound probe 21 form a wound single-point detection device: the skin probe 11 and the wound probe 21 are both made of beryllium copper gold plating, wherein the skin probe is flat and round, with a diameter of 0.2-10 mm, and the wound probe 21 is needle-shaped, with a diameter of 0.5 mm-10 mm. The center of the skin probe 11 and the center of the wound probe 21 are 1 cm apart horizontally. The skin probe 11 is placed in the adhesive film 12, and the wound probe 21 is connected to the skin probe 11 through the force arm 4. The skin probe 11 and the wound probe 21 output signals through wires and transmit measurement data to the single-chip microcomputer. When in use, the wound probe 21 is ensured to be in the wound margin, and the skin probe 11 is in the normal skin. Then the skin probe 11 is adhered to the normal skin through the adhesive film 12, and the bottom end of the wound probe 21 contacts the wound margin. The potential difference of the two points is measured, and the data is transmitted to the single-chip microcomputer.

[0049] As shown in Figure 2 , the three groups total twelve single-point measurement devices: a total of 12 single-point measurement devices are designed according to the size of the wound, and the groups are numbered 1#-12# respectively, each group is directly connected to the single-chip microcomputer and is not connected to each other. Different numbers of measurement devices are selected according to the size of the wound. The first group is the main measurement group, numbered 1#, 4#, 7#, and 10#, and placed in the four directions of the wound. The second group is the auxiliary measurement group, numbered 2#, 5#, 8#, and 11#, and the third group is the supplementary measurement group, numbered 3#, 6#, 9#, and 12#. According to the size of the wound, if the wound is small, the main measurement group can be used, and four points can detect the wound condition. If the wound is large, the auxiliary measurement group and the supplementary measurement group can be used according to the needs. Each group of measurement needles needs to be placed in a clockwise direction to facilitate the single-chip microcomputer to draw the wound potential map.

[0050] Signal processing device 5 for summarizing analysis and drawing wound potential distribution: the signal processing device 5 includes a touch screen with image display function and a single-chip microcomputer that links potential data and specific measurement points and draws output. Doctors can draw the form of the wound on the screen of the touch screen, then mark the measurement points that have been placed on the wound, and do not mark the measurement points that have not been placed. Then mark the corresponding potential data to each measurement point. Form a data graph. Doctors can analyze the wound according to the data graph.

[0051] This invention is a blank in the clinical field, and the clinical wound condition is mainly described by language, which lacks specific data and is not simple and clear. Wound bioelectricity is a hot research topic at present and has been proven to be closely related to the healing ability of the wound. This type of wound detector can detect various wounds such as diabetes, bedsores, burns, infected wounds, and various shaped wound bioelectricity, and summarize them into a wound potential map for clear wound conditions, which has great application value for clinical patient diagnosis and treatment.

[0052] Finally, it is to be explained that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions, and all should be covered in the scope of the claims of the present application.

Claims

1. A probe for detecting irregular wound bed bioelectricity, characterized by, The wound bioelectricity probe (2) is provided with a fixed sleeve (22), the fixed sleeve (22) is provided with a stepped counterbore (22a), the counterbore (22a) penetrates the fixed sleeve (22), the small hole of the counterbore (22a) is opposite to the wound (3), the sliding rod (23) is slidably arranged in the small hole, the lower end of the sliding rod (23) is vertically provided with the wound probe (21), the upper end of the sliding rod (23) is provided with an end head (24), the sliding rod (23) is sleeved with a reset spring (25), and the two ends of the reset spring (25) are respectively abutted with the end head (24) and the step of the counterbore (22a).

2. The probe for detecting irregular wound bed bioelectricity according to claim 1, characterized in that, The skin probe (11) is circular, the wound probe (21) is needle-shaped, and the center distance of the skin probe (11) and the wound probe (21) is 1cm.

3. The probe for detecting irregular wound bed bioelectricity according to claim 1, characterized in that, The skin bioelectricity probe (1) is provided with an adhesive film (12), and the skin probe (11) is adhered to the normal skin through the adhesive film (12).

4. An analyzer comprising the probe of claim 1, wherein, The signal processing device (5) includes an amplifying circuit, an analog-digital conversion circuit and a single-chip microcomputer, the single-chip microcomputer is connected with a keyboard and a display, the first output lead and the second output lead are connected with the amplifying circuit, the amplifying circuit amplifies the bioelectric potential, the analog-digital conversion circuit converts the amplified bioelectric potential into a digital signal, the single-chip microcomputer converts the digital signal into an image through the display, and the single-chip microcomputer is further connected with a relay through a switching triode, and the relay controls the electromagnetic iron (27) to be turned on or turned off.

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