CN113827401A

CN113827401A - Integrated electronic gauze system

Info

Publication number: CN113827401A
Application number: CN202111063510.XA
Authority: CN
Inventors: 陶璐琪; 王冠亚; 彭治荣; 朱聪聪
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2021-12-24

Abstract

The invention provides an integrated electronic gauze system, which comprises a mechanical sensitive unit array, wherein the mechanical sensitive unit array consists of a plurality of mechanical sensitive units and outputs a plurality of electrical signals corresponding to the number of the mechanical sensitive units according to the mechanical change of a covered area; the detection end of the mechanical signal detection unit is connected with the output end of each mechanical sensitive unit of the mechanical sensitive unit array and is used for determining the motion signal of the covered area according to a plurality of electrical signals within a preset time length; the working driving unit is respectively connected with the mechanics sensitive unit array and the mechanics signal detection unit; and the heating unit is connected with the working driving unit and used for receiving the motion signal and heating the coverage area according to the motion signal. The method can improve the intellectualization degree of wound monitoring and promote the wound healing.

Description

Integrated electronic gauze system

Technical Field

The invention relates to the technical field of medical instruments, in particular to an integrated electronic gauze system.

Background

In the prior art, surgical operations are gradually mature and play an irreplaceable role in modern medicine. Nowadays, many diseases of people need to be treated by operations, and when the operations can be smoothly completed, the quick healing of the postoperative incision is also very important for the recovery of the health of patients. Patients are often at risk of wound infection and extensive limb movements causing wound laceration during recovery, but neither doctors nor patients can pay attention to the wound situation at any time.

Disclosure of Invention

The invention provides an integrated electronic gauze system, which aims to overcome the defect that the actual condition of a wound cannot be monitored in time, realize real-time monitoring of the wound and provide a hot compress physiotherapy function. The invention provides an integrated electronic gauze system, which comprises: the mechanical sensitive unit array is composed of a plurality of mechanical sensitive units and outputs a plurality of electrical signals corresponding to the number of the mechanical sensitive units according to mechanical change of a covered area; and the detection end of the mechanical signal detection unit is electrically connected with the output end of each mechanical sensitive unit of the mechanical sensitive unit array and is used for determining the motion signal of the covered area according to a plurality of electrical signals within a preset time length. The working driving unit is respectively connected with the mechanics sensitive unit array and the mechanics signal detection unit and is used for sending a driving signal to the mechanics sensitive unit array and receiving the motion signal sent by the mechanics signal detection unit; and the heating unit is connected with the working driving unit and used for receiving the motion signal, heating the covered area according to the motion signal and promoting the wound healing. According to the integrated electronic gauze system provided by the invention, the integrated electronic gauze system further comprises an early warning unit, wherein the early warning unit is connected with the work driving unit and receives a motion signal sent by the work driving unit; and when the motion signal is an abnormal signal, generating alarm information.

According to the integrated electronic gauze system provided by the invention, the driving circuit is provided with a first control end and a first detection end, the first control end of the driving circuit is connected with the controlled end of the mechanics sensitive unit, and the first detection end of the working driving unit is connected with the output end of the mechanics signal detection unit; and the working driving unit is used for changing the working state of the mechanical sensitive unit array according to the motion signal. According to the integrated electronic gauze system provided by the invention, the working driving unit further comprises an output end, and the input end of the heating unit is connected with the output end of the working driving unit; the heating unit is used for heating the covered area by taking a first preset temperature value as the covered area.

According to the integrated electronic gauze system provided by the invention, the mechanical sensitive unit array, the heating unit and the early warning unit are made of pyrolytic fabric carbonaceous materials with loose textile structures.

According to the integrated electronic gauze system provided by the invention, the mechanical sensitive unit array is in a grid shape.

According to the integrated electronic gauze system provided by the invention, the heating unit and the early warning unit form a heating-early warning module, and the input end of the heating-early warning module is connected with the output end of the working driving unit.

According to the integrated electronic gauze system provided by the invention, the heating-early warning module is of a grid structure.

According to the integrated electronic gauze system provided by the invention, the mechanical sensitive unit array is arranged around the heating-early warning module.

According to the integrated electronic gauze system provided by the invention, the integrated electronic gauze system further comprises at least one piece of medical gauze, and the medical gauze is detachably connected with the mechanical sensitive unit array.

The integrated electronic gauze system provided by the invention detects the mechanical change of the covered area through the mechanical sensitive unit array so as to output a plurality of electrical signals corresponding to the number of the mechanical sensitive units. And then the mechanical signal detection unit determines a motion signal of the covered area according to a plurality of electrical signals within a preset time length. The motion signal is sent to a work driving unit, the motion signal is transmitted to a heating unit through the work driving unit, and the coverage area is heated according to the motion signal. Above-mentioned electronic gauze system integrates can real-time detection by the motion signal of covered area to can realize the real-time supervision to covered area, and then improve the intelligent degree of wound monitoring and promote wound healing's effect.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic block diagram of an integrated electronic gauze system according to the present invention;

FIG. 2 is a second block diagram of the integrated electronic gauze system according to the present invention;

FIG. 3 is a schematic diagram of a mechanical sensitive cell array of the integrated electronic gauze system provided by the present invention;

FIG. 4 is a schematic structural diagram of a heating-warning module of the integrated electronic gauze system provided by the present invention;

FIG. 5 is a schematic diagram of the use of the integrated electronic gauze system provided by the present invention;

reference numerals:

100: an array of mechanically sensitive cells; 200: a mechanical signal detection unit; 300: a working drive unit;

400: heating-warning module 401: an early warning unit; 402: a heating unit;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The integrated electronic gauze system of the present invention will be described with reference to fig. 1 to 5.

In an embodiment, as shown in fig. 1, the integrated electronic gauze system includes a mechanical sensitive unit array 100, a mechanical signal detecting unit 200, a working driving unit 300, and a heating unit 402, where the mechanical sensitive unit array 100 is composed of a plurality of mechanical sensitive units, and a detecting end of the mechanical signal detecting unit 200 is electrically connected to an output end of each mechanical sensitive unit of the mechanical sensitive unit array 100.

The mechanical sensitive unit array 100 covers the part to be detected, so that a covered area is formed, then the mechanical sensitive units output a plurality of electrical signals corresponding to the number of the mechanical sensitive units according to mechanical changes of the covered area, and the mechanical signal detection unit determines vital signs of the covered area according to the plurality of electrical signals within a preset time length. The working driving unit 300 is respectively connected with the mechanics sensitive unit array 100 and the mechanics signal detection unit 200, and is used for sending a driving signal to the mechanics sensitive unit array 100 and receiving a motion signal sent by the mechanics signal detection unit 200; and the heating unit 402 is connected with the working driving unit and used for receiving the motion signal and heating the coverage area according to the motion signal. The mechanical sensitive unit array 100 can be adjusted according to the personalized customization degree and the actual condition of the patient. It is understood that the motion signal includes, but is not limited to, a pulse signal, a signal corresponding to a swelling condition, a signal corresponding to a motion amplitude, and the like.

Through the scheme, the wound of the covered area can be monitored in real time, so that the wound can be timely treated when abnormality occurs. In addition, as surgery becomes mature, it plays an irreplaceable role in modern medicine. Nowadays, many diseases of people need to be treated by operations, and when the operations can be smoothly completed, the quick healing of the postoperative incision is also very important for the recovery of the health of patients. The patient faces wound infection often and arouses the torn risk of wound with the limbs action of a wide margin during recovery, therefore patient's comprehensive recovery not only needs benign temperature environment to promote the healing of wound, still needs to carry out real-time supervision to the wound, among the technical scheme of this application, when being the wound by the coverage area, can be smooth carry out real-time supervision to the wound for more need can obtain timely processing when taking place unusually, and then play the effect that promotes wound healing.

Optionally, the operation signal includes a local pulse signal, a swelling condition signal, a motion amplitude signal, and the like.

The technical scheme of the invention respectively realizes the determination of local pulse, the determination of swelling condition and the determination of motion amplitude by the following modes:

1. determination principle for local pulse signals:

the pulse is actually a biological wave and has the characteristics of waveform, wave amplitude, wave speed and the like, the mechanical sensitive unit can convert mechanical change caused by the changed pulse biological wave into a changed electrical signal, the pulse biological wave is a waveform changed regularly, so that the detected electrical signal is also changed, the current pulse can be determined only through one mechanical sensitive unit according to the corresponding relation between the pulse measured in a laboratory and the electrical signal, and when the number of the mechanical sensitive units exceeds one, the accuracy of the measured pulse biological wave can be improved in an average number mode.

2. Determination principle for swelling status signal:

because the wound is infected, the wound can take place characteristics such as swelling, when the wound swelling of covered area, can produce deformation to the stress that leads to each mechanics sensitive unit survey changes, shows as the change of electrical signal, compares through the value of the electrical signal of each mechanics sensitive unit of normal state of survey and the value of the electrical signal after the current change, can confirm the wound swelling condition, uploads data or reports to the police and can indicate medical personnel and user in time to handle the wound. Avoiding greater risk of infection.

3. Regarding the determination principle of the motion amplitude signal:

when the user moves, the muscle and the joint of wound lower floor all can produce deformation, and when the dynamics was great, deformation exceeded the certain degree, will lead to the wound to split open, consequently, through the change of each mechanics sensitive unit determination power, when the numerical value of the power of arbitrary mechanics sensitive unit collection exceeded and predetermine the numerical value, can be in order to judge that the user has the action that probably causes the secondary injury to the wound by a wide margin at present, need in time indicate the user to pay attention to the wound to make things convenient for medical personnel in time to discover the wound condition, handle it. Avoiding secondary injury.

It should be noted that, the above description only describes the determination manner of partial motion signals, and is not intended to limit the scope of the present invention, and all manners of generating motion signals that can be detected by the mechanically sensitive cell array are within the scope of the present invention.

Based on the embodiment, the system can be laid on the wound through gauze, can also be directly laid on the wound by adopting special materials, and can realize the real-time monitoring of the wound.

In an embodiment, as shown in fig. 2, the integrated electronic gauze system further includes an early warning unit 401, where the early warning unit 401 is connected to the work driving unit 300, and receives the motion signal sent by the work driving unit 300; and when the motion signal is an abnormal signal, generating alarm information.

Wherein, in one case, the early warning unit 401 performs early warning according to the second driving signal of the working driving unit 300. At this time, the mechanical sensitive unit 200 detects an abnormal electrical signal, and the working driving unit 300 confirms that the vital sign of the covered area is not in the normal range at this time, so as to output an alternating second driving signal for early warning. Therefore, the early warning can be carried out on the conditions of swelling, abnormal pulse or overlarge movement amplitude and the like when the vital signs are abnormal. In another case, the early warning unit 401 performs early warning when the temperature is higher than a second preset temperature value. When the temperature is higher than the second preset temperature value, the infection of the wound in the covered area at the moment is shown, so that the immune system is subjected to epidemic prevention, the body temperature is increased, or the integrated electronic gauze system at the moment is airtight, cannot dissipate heat, and is not beneficial to wound recovery. The second preset temperature value is not equal to the first preset temperature value, and the specific numerical value is set by a user as required or can be set according to laboratory experiment data. The embodiment can prompt the user of the unfavorable condition of the wound in time through alarming.

Specifically, after the early warning unit 401 receives the motion signal sent by the work driving unit 300, the motion signal is compared with a signal threshold to obtain a comparison result, and when the comparison result is that the motion signal is abnormal, alarm information is generated, wherein the alarm information may be sound alarm information or sound and light alarm information, so that whether a potential danger exists at a wound of a patient is warned by the alarm information.

In one embodiment, as shown in fig. 2, the pre-warning unit 401 and the heating unit 402 are disposed in the same module, which is a heating-pre-warning module 400, in the heating-pre-warning module 400, the heating unit 402 and the pre-warning unit 401 are respectively connected to the working driving unit 300, wherein the heating unit 402 is configured to receive a motion signal sent by the working driving unit 300, and heat the wound through a heating triggering operation when the motion signal is normal; when the motion signal is abnormal, the operation is switched to the early warning unit 401, and an alarm sound with a preset frequency is emitted.

In one embodiment, the integrated electronic gauze system operation driving unit 300 has a first control terminal connected to the controlled terminal of the mechanical sensing unit 100 and a first detection terminal connected to the output terminal of the mechanical signal detection unit 200 of the operation driving unit 300.

Wherein, the operation driving unit 300 changes the operation state of the mechanosensitive cell array 100 according to the motion signal. The working state is a working state set for a wound, and has states of opening, closing, detecting and the like, and in addition, the first driving signal of the mechanosensitive cell array 100 can be changed to change the voltage of the first driving signal of the mechanosensitive cell array 100, so that detection in different ranges and accuracy is realized. It is understood that the operation state of the mechanosensitive element array 100 can also be determined by the user's requirements.

Based on the above embodiments, the operation driving unit 300 can be implemented by using a driving chip, a control chip, and the like in the prior art.

In one embodiment, as shown in fig. 2, the operation driving unit 300 further includes an output terminal, and the input terminal of the heating unit 402 is connected to the output terminal of the operation driving unit 300.

The heating unit 402 heats the covered area with a first preset temperature value. The covered area is heated by the first preset temperature value, so that the temperature of the covered area can reach the target high temperature, certain high temperature is favorable for local blood circulation of the wound to achieve the purpose of activating blood circulation to remove blood stasis, and a certain sterilization effect can be achieved. It should be noted that the first preset temperature value and the target high temperature at this time are preset by the medical care personnel or are preset by experimental parameters.

In one embodiment, the array of mechanically sensitive cells is a pyrolyzed fabric carbonaceous material having an open weave structure.

Specifically, the good mechanical and electric conductivity of pyrolysis fabric carbonaceous material covers the key position at patient's wound, and resistance can take place the change of different ranges along with the degree of meeting an emergency, can perceive little mechanical change for monitor wound area's local pulse, swelling condition and motion range, can realize the real-time supervision to local weak pulse, the latent risk that the perception wound infection arouses to and guarantee to reach that patient's motion range is in within the safe threshold value in the rehabilitation training. If the detection system detects that the pulse signal is abnormal in performance, the wound is swollen due to infection or the wound is torn due to overlarge movement amplitude of the patient, the heating-early warning module is driven to send out sound to warn the patient.

In one embodiment, the material of the heating unit and the pre-warning unit is a pyrolytic fabric carbonaceous material with a loose textile structure.

It should be noted that the heating unit and the early warning unit form a heating-early warning module, and an input end of the heating-early warning module is connected with an output end of the working driving unit.

The pyrolytic fabric carbon material can emit sound with specific frequency under an alternating current signal and can emit certain heat to the surrounding environment under illumination or a direct current signal due to high thermal conductivity and low heat capacity of the pyrolytic fabric carbon material. Therefore, the two are overlapped, the heating is based on the photothermal effect and the Joule effect, and the proper high temperature is obtained under the irradiation of sunlight or by applying direct current voltage, so that the purpose of promoting blood circulation and removing blood stasis of the local part of the wound is achieved, and a certain sterilization effect can be achieved; the sounding alarm is based on the thermoacoustic effect of the pyrolyzed fabric carbonaceous material, and the sounding alarm can intuitively attract the attention of patients and caregivers and timely treat corresponding abnormal conditions, so that the risk of secondary injury is effectively reduced.

Based on the embodiment, the mechanical sensitive unit array, the heating unit and the early warning unit are made of the pyrolytic fabric carbon material, so that the defects of high hardness and large volume of the traditional sensor are overcome, and the monitoring capability of the sensor in the aspect of human physiological signals is endowed by ultrahigh sensitivity. The integrated electronic gauze system has the characteristics of strong conformality and good air permeability, and can be widely applied to all-round dynamic sensing of human bodies, namely pulse and heart rate and joint movement.

Alternatively, as shown in fig. 3, the mechanically sensitive cell array is in a grid shape.

The mechanical sensitive unit array grid-shaped means that a covered area in a certain shape is equally divided into a plurality of small grids, each mechanical sensitive unit can be arranged in any small grid, each mechanical sensitive unit is a grid formed by pyrolysis fabric carbonaceous materials, when the mechanical sensitive units are arranged on the periphery of the covered area, the detection range is largest, and when the covered area is fully distributed, the detection result is most accurate. Through the scheme, the integrated electronic gauze system can be conveniently arranged to be of a flexible structure, detection precision is improved, and clinical use is facilitated.

Based on the above embodiments, it should be noted that the mechanical sensitive unit array can be adjusted according to the actual condition of the patient, so as to achieve a higher personalized customization degree.

Referring to fig. 4, the heating-warning module has a mesh structure.

The grid structure at this moment is the net that comprises pyrolysis fabric carbonaceous material, and the shape of net provides sufficient deformation space for deformation, and because the setting of net for every region all has certain space, can conveniently fold and deformation, can promote the flexible deformability of the integrated electronic gauze system that forms.

Optionally, as shown in fig. 5, the mechanically sensitive cell array is disposed around the heating-warning module.

When the mechanical sensitive unit array is arranged around the heating-early warning module, the heating performance and the early warning characteristic of the heating-early warning module are improved.

In one embodiment, the integrated electronic gauze system further comprises at least one piece of medical gauze, and the medical gauze is detachably connected with the mechanical sensitive unit array.

In this case, the detachable connection may be that the mechanically sensitive unit array and the heating-warning module are sewn on a common medical gauze for wrapping the wound. Thereby promoting the recyclable frequency of the integrated electronic gauze system and reducing the use cost.

Based on the above embodiment, the medical gauze and the heating-early warning module are also detachably arranged.

In one embodiment, the integrated electronic gauze system can be grafted on common medical gauze in a knitting mode, has the advantages of high flexibility, good biocompatibility, portability and strong air permeability, can realize hot compress physiotherapy, real-time monitoring and risk early warning on wounds, and is simple in preparation process and low in cost of main materials of the system, and suitable for batch production. The main material in the system is a carbonaceous material obtained by pyrolyzing and reducing silk or cotton fabric in inert gas, and the carbonaceous material comprises but is not limited to a pyrolytic fabric carbonaceous material which is intrinsic and modified by graphene, carbon nanotubes, carbon black and the like, and has high thermal conductivity, good mechanical and electrical conductivity and low thermal capacitance. Therefore, in the aspect of heating, the heat-emitting diode can emit certain heat to the surrounding environment under the condition of illumination or direct current signals; in the aspect of mechanical perception, the resistance of the sensor can change with different amplitudes along with the degree of strain; in the aspect of early warning, if abnormal mechanical signals are detected, such as large strain or irregular pulse, the working driving circuit can switch the direct current signal applied to the dual-function unit into an alternating current signal, so that an alarm sound with a certain frequency is emitted. Which is capable of emitting sound of a particular frequency under an alternating current signal.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An integrated electronic gauze system, comprising:

the mechanical sensitive unit array is composed of a plurality of mechanical sensitive units and outputs a plurality of electrical signals corresponding to the number of the mechanical sensitive units according to mechanical change of a covered area;

the detection end of the mechanical signal detection unit is connected with the output end of each mechanical sensitive unit of the mechanical sensitive unit array and is used for determining the motion signal of the covered area according to a plurality of electrical signals within a preset time length;

the working driving unit is respectively connected with the mechanics sensitive unit array and the mechanics signal detection unit and is used for sending a driving signal to the mechanics sensitive unit array and receiving the motion signal sent by the mechanics signal detection unit;

and the heating unit is connected with the working driving unit and used for receiving the motion signal and heating the coverage area according to the motion signal.

2. The integrated electronic gauze system of claim 1, further comprising an early warning unit, the early warning unit being connected to the work driving unit and receiving the motion signal sent by the work driving unit; and when the motion signal is an abnormal signal, generating alarm information.

3. The integrated electronic gauze system of claim 1, wherein the working driving unit has a first control end and a first detection end, the first control end of the working driving unit is connected with the controlled end of the mechanical sensitive unit, and the first detection end of the working driving unit is connected with the output end of the mechanical signal detection unit;

and the working driving unit is used for changing the working state of the mechanical sensitive unit array according to the motion signal.

4. The integrated electronic gauze system of claim 3, wherein the work driving unit further comprises an output, and the input of the heating unit is connected to the output of the work driving unit;

the heating unit is used for heating the covered area by taking a first preset temperature value as the covered area.

5. The integrated electronic gauze system of claim 2, wherein the mechanically sensitive unit array, the heating unit and the pre-warning unit are made of pyrolytic fabric carbonaceous material with a loose textile structure.

6. The integrated electronic gauze system of claim 1, wherein the mechanically sensitive cell array is in the form of a grid.

7. The integrated electronic gauze system of claim 5, wherein the heating unit and the pre-warning unit constitute a heating-pre-warning module, and an input end of the heating-pre-warning module is connected with an output end of the working driving unit.

8. The integrated electronic gauze system of claim 7, wherein the heat-warning module is a grid structure.

9. The integrated electronic gauze system of claim 1, wherein the mechanically sensitive cell array is disposed around the heat-warning module.

10. An integrated electronic gauze system according to any one of claims 1 to 9, further comprising at least one piece of medical gauze, said piece of medical gauze being detachably connected to said array of mechanically sensitive elements.