CN111096752A - Sensing and warning system and method applied to medical care field - Google Patents
Sensing and warning system and method applied to medical care field Download PDFInfo
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- CN111096752A CN111096752A CN201811256036.0A CN201811256036A CN111096752A CN 111096752 A CN111096752 A CN 111096752A CN 201811256036 A CN201811256036 A CN 201811256036A CN 111096752 A CN111096752 A CN 111096752A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1113—Local tracking of patients, e.g. in a hospital or private home
- A61B5/1115—Monitoring leaving of a patient support, e.g. a bed or a wheelchair
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6891—Furniture
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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Abstract
The application discloses apply to sensing and warning system in medical care field, it contains a bed body, a sensor and a microprocessor. The bed body is provided with at least four corners which define a bed body area for a human body from the outside to be positioned on the bed body and positioned in the bed body area. The sensor is used for sensing a human body to obtain an imaging area. The microprocessor is used for receiving and comparing the imaging area and the bed body area. When an imaging area with a first preset proportion is positioned outside the bed body area, the microprocessor sends out a first warning signal. In addition, the invention further discloses a sensing and warning method applied to the field of medical care.
Description
Technical Field
The present application relates to a sensing and warning system and method, and more particularly, to a sensing and warning system and method applied to the medical care field.
Background
In the medical system, there are many patients who are not suitable to leave the bed, for example, patients who are not suitable to walk after leg operation, or patients who are weak due to illness or operation and are not suitable to walk. However, some of these patients may want to walk out of bed because of various factors such as long lying, walking, and not wanting to stay in hospital. Because physiological conditions are not allowed, people easily fall down when walking, and the skin and meat injuries are caused if the people are light, and even fracture, coma and the like are caused if the people are heavy.
In order to avoid the above-mentioned regressions, a weight sensor is further disposed under the conventional hospital bed. When the patient lies or sits on the sickbed, the weight sensor can sense the weight of the patient to know that the patient is positioned on the sickbed; when the patient leaves the hospital bed, the weight sensor cannot sense the weight of the patient so as to know that the patient leaves the hospital bed, and then sends out a message to inform medical staff.
However, the conventional bed can sense only two states of "on bed" and "off bed". When the medical staff is informed of the state of 'leaving the hospital bed' and the medical staff arrives at the hospital bed, the patient may have already started walking and fall easily.
In view of the above, the present invention provides a sensing and warning system and method applied in the medical care field to solve the problems of the prior art.
Disclosure of Invention
The invention provides a sensing and warning system applied to the field of medical care, which comprises a bed body, a sensor and a microprocessor. The bed body is provided with at least four corners which define a bed body area for a human body from the outside to be positioned on the bed body and positioned in the bed body area. The sensor is used for sensing a human body to obtain an imaging area. The microprocessor is used for receiving and comparing the imaging area and the bed body area. When an imaging area with a first preset proportion is positioned outside the bed body area, the microprocessor sends out a first warning signal. Therefore, the medical staff is informed, so that the medical staff can arrive as soon as possible, the patient is prevented from leaving the sickbed, and the possible falling, injury and other regrets are avoided or reduced.
In one embodiment of the present invention, the bed body is a hospital bed, and the human body is a patient.
In one embodiment of the invention, the first predetermined proportion is greater than or equal to 15%.
In one embodiment of the present invention, the microprocessor sends a second warning signal when a second predetermined proportion of the imaging area is outside the bed area, wherein the second predetermined proportion is greater than or equal to 70%.
In one embodiment of the invention, the sensor is an infrared thermal sensor.
In an embodiment of the invention, the bed further includes four infrared reflectors, and the four infrared reflectors are respectively disposed at four corners of the bed body.
In an embodiment of the invention, the bed further comprises two infrared reflective sheets, the two infrared reflective sheets are respectively disposed at two opposite corners of the four corners of the bed body, wherein the two infrared reflective sheets are respectively L-shaped, and two straight edges of the L-shape respectively face the other two corners of the four corners.
An embodiment of the present invention further provides a sensing and warning method applied to the medical care field, including the following steps:
step S1: providing a bed body, wherein the bed body is provided with at least four corners, and the four corners define a bed body area for enabling a human body from the outside to be positioned on the bed body and positioned in the bed body area;
step S2: providing a sensor for sensing a human body to obtain an imaging area; and
step S3: providing a microprocessor to receive and compare the imaging region and the bed region,
steps S4 and S51: when an imaging area with a first preset proportion is positioned outside the bed body area, the microprocessor sends out a first warning signal, and the first preset proportion is greater than or equal to 15%.
In another embodiment of the present invention, the microprocessor sends a second warning signal when a second predetermined proportion of the imaging area is outside the bed area, wherein the second predetermined proportion is greater than or equal to 70%.
The sensing and warning system and method of the present invention can be applied to a wide range of medical care fields, such as hospitals, clinics, nursing homes, support centers, and long-term care centers, as long as there are people who are on the bed and are not allowed to walk or leave the bed at that time, the sensing and warning system and method of the present invention can be applied to achieve the above-mentioned desired effects.
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FIG. 1A is a schematic view of a sensing and warning system for use in the medical care field according to an embodiment of the present invention;
FIG. 1B is a schematic diagram of a sensor and a microprocessor of the sensing and warning system of FIG. 1A;
FIG. 2A is a schematic view of the imaging region taken by the sensor of FIG. 1A located within the bed region;
FIG. 2B is a schematic view of the imaging region acquired by the sensor of FIG. 1A both inside and outside the bed region;
FIG. 2C is a schematic view of the imaging region outside the bed region obtained by the sensor of FIG. 1A;
FIGS. 2D-2F are schematic diagrams of various aspects of the imaging region and other human body images adjacent to the bed region obtained by the sensor according to one embodiment of the invention;
FIG. 3 is a schematic view of a sensing and warning system for use in the medical care field according to another embodiment of the present invention;
FIG. 4 is a schematic view of a sensing and warning system for medical care according to another embodiment of the present invention; and
fig. 5 is a schematic flow chart of a sensing and warning method applied to the medical care field according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1A and 1B, fig. 1A is a schematic diagram of a sensing and warning system 10 applied in the medical care field according to an embodiment of the present invention, and fig. 1B is a schematic diagram of a sensor 13 and a microprocessor 15 of the sensing and warning system 10 of fig. 1A. In one embodiment, the sensing and warning system 10 includes a bed 11, a sensor 13 and a microprocessor 15. An external human body 17 is located on the bed 11, the sensor 13 is used for sensing the human body 17, and the microprocessor 15 is electrically connected to the sensor 13 for receiving the sensing information from the sensor 13. In this embodiment, the bed 11 is a hospital bed, and the human body 17 is a patient, but not limited thereto. In addition, the medical care field includes hospitals, clinics, nursing homes, support centers, long support centers and the like, but is not limited thereto.
In this embodiment, the sensor 13 is disposed at the wall 191 of the ward 19, in other embodiments (not shown), the sensor 13 may be disposed in the gas wall at the wall of the ward, or may be disposed at the periphery or ceiling of a space, but not limited thereto, wherein the gas wall is a horizontal space reserved at the wall behind the sickbed, and is configured to be installed with power supply lines, network lines, gas transportation pipelines, and the like. In this embodiment, the sensor 13 and the microprocessor 15 can be disposed closely, and in other embodiments (not shown), the sensor 13 and the microprocessor 15 can be integrated in a device, disposed adjacently or disposed separately, and transmit information by wire or wireless, but not limited thereto.
The bed 11 has at least four corners 111, and the four corners 111 define a bed area 112 for allowing the human body 17 from the outside to be located on the bed 11 and in the bed area 112. For the purposes of this embodiment, the four sides of the bed 11 overlap with the four boundaries of the bed area 112, but in other embodiments (not shown), the four sides of the bed do not overlap or partially overlap with the four boundaries of the bed area, but the invention is not limited thereto.
With further reference to FIG. 2A, FIG. 2A is a schematic view of the imaging region 171 captured by the sensor 13 of FIG. 1A located within the bed region 112. The sensor 13 is used for sensing the human body 17 to obtain an imaging region 171, and in the present embodiment, the sensor 13 is an image sensor, such as a CCD (Charge-coupled Device) camera. The microprocessor 15 is configured to receive the imaging area 171 and the bed area 112, and further, the microprocessor 15 is configured to compare the imaging area 171 with the bed area 112, as shown in fig. 2A, the imaging area 171 is located in the bed area 112, i.e. the patient does not leave the bed.
It should be noted that, in the present embodiment, the bed area 112 can be obtained by sensing the bed 11 through the sensor 13 when the initial positioning of the bed 11 is completed, and then transmitting the bed area 112 to the microprocessor 15 or other memories (not shown) for subsequent comparison by the microprocessor 15. In other embodiments (not shown), when the sensor 13 senses a human body, it also senses the bed 11 to obtain the bed area 112, and transmits the imaging area 171 and the bed area 112 to the microprocessor 15 for comparison. In general, the bed 11 is usually rectangular, and when the bed 11 is sensed by the sensor 13, the obtained bed area 112 may be rectangular, trapezoidal, parallelogram, polygonal, etc. due to the relation of the distance, angle, etc. between the sensor 13 and the bed 11, but not limited thereto, and the actual shape of the bed area 112 and the actual shape of the bed 11 may be maintained consistent or similar by the operation mechanism of the microprocessor 15, but not limited thereto. Furthermore, the imaging area 171 may be referred to as a torso, a torso plus feet, or a torso plus a head and hands and feet, but is not limited thereto.
Referring further to FIG. 2B, FIG. 2B is a schematic diagram of the imaging region 171 captured by the sensor 13 of FIG. 1A both inside and outside the bed region 112. At this time, part of the imaging area 171 is located outside the bed area 112, wherein when a first predetermined proportion of the imaging area 171 is located outside the bed area 112, which means that the patient may be about to leave the bed, the microprocessor 15 sends a first warning signal 151 (as shown in fig. 1B) to notify the medical staff, so that the medical staff can arrive as soon as possible and the patient is prevented from leaving the bed. Considering the malfunction problem, i.e. the patient is only touched by mistake and does not want to leave the bed, the first predetermined ratio is preferably set to be greater than or equal to 15%, in this embodiment, the first predetermined ratio is 25%, which will reduce most malfunctions, and in other embodiments (not shown), the first predetermined ratio may be 15%, 20%, 30%, etc., but not limited thereto.
Referring further to fig. 2C, fig. 2C is a schematic diagram of the imaging region 171 obtained by the sensor 13 of fig. 1A outside the bed region 112. When a second predetermined ratio of the imaging area 171 is outside the bed area 112, which means the patient has left the bed, the microprocessor 15 sends a second warning signal 152 (as shown in fig. 1B) to notify the medical staff so that the medical staff can arrive as soon as possible for proper treatment. Considering the problem of misjudgment that the patient does not actually leave the bed, the second predetermined ratio is preferably set to be greater than or equal to 70%, and 100% in this embodiment, to completely avoid misjudgment, and in other embodiments (not shown), the second predetermined ratio may also be 70%, 80%, 90%, and the like, but not limited thereto. In this embodiment, the first warning signal 151 may be a long sound, and the second warning signal 152 may be a three short sound, in other embodiments (not shown), the first warning signal may be displayed on a display system (e.g., a computer, an electronic billboard, etc.) of the medical care station and appears as a yellow light signal, and the second warning signal may be displayed on a display system (e.g., a computer, an electronic billboard, etc.) of the medical care station and appears as a red light signal, or both a sound and a light signal, but the disclosure is not limited thereto.
It should be noted that, in order to avoid confusion between the human body (such as a patient) sensed by the sensor of the present invention and the accompanying family, relatives and friends of the patient or the passing person, the following will be further described.
Fig. 2D-2F are schematic diagrams of various aspects of the imaging region 171 and other human body images obtained by the sensor of the present invention adjacent to the bed region 112. FIG. 2D shows an imaging area 171 of a human body (e.g., a patient) within the bed area 112 and a family member 55; fig. 2E shows a situation where an imaging area 171 of a human body (e.g., a patient) is located in the bed area 112 and a person 56 passes by; and FIG. 2F shows a human (e.g., patient) imaging area 171 within the bed area 112 and a plurality of relatives 57. Since the sensing and warning system of the embodiment of the invention uses the imaging region 171 in the bed region 112 as the object for subsequent comparison and warning, even if there are one or more other images (/ human body) beside the bed region 112, there is no possibility of confusion and erroneous determination by continuously tracking the imaging region 171 in the bed region 112.
Referring to fig. 3, fig. 3 is a schematic view of a sensing and warning system 20 applied to the medical care field according to another embodiment of the present invention. The sensing and warning system 20 of the present embodiment is the same as or similar to the sensing and warning system 10 described in fig. 1A to 2F, and the same parts are not repeated, and only the main differences of the present embodiment will be described below.
The sensing and warning system 20 of the present embodiment further includes four infrared reflectors 26, the four infrared reflectors 26 are respectively disposed at four corners 111 of the bed 11, and the sensor 23 of the present embodiment is an infrared heat sensor. With the above arrangement, the infrared thermal sensor can sense the four infrared reflectors 26 located at the four corners 111, so as to define a bed area 212 by the four corners 111.
Usually the bed 11 is arranged in a specific place and may be moved slightly after a period of use, or because the bed 11 has a movable function (usually like a hospital bed), the position of the bed 11 may have been changed after moving back to the original place. Therefore, the bed area 212 can be easily defined by the arrangement of the infrared heat sensor and the four infrared reflectors 26 of the present embodiment, so as to increase the accuracy of the determination. In the present embodiment, when the sensor 23 senses the human body 17, the sensor senses the four infrared reflectors 26 together to obtain the bed area 212, and transmits the imaging area and the bed area 212 to the microprocessor 15 for the subsequent comparison of the microprocessor 15.
Referring to fig. 4, fig. 4 is a schematic view of a sensing and warning system 30 applied to the medical care field according to another embodiment of the present invention. The sensing and warning system 30 of the present embodiment is the same as or similar to the sensing and warning system 20 described in fig. 3, and the same parts are not repeated herein, and only the main differences of the present embodiment will be described below.
The sensing and warning system 30 of the present embodiment does not employ four infrared reflectors of the sensing and warning system 20, but employs two infrared reflectors 36. The sensing and warning system 30 of the present embodiment includes two infrared reflective sheets 36, the two infrared reflective sheets 36 are respectively disposed at two opposite corners 311 of the four corners of the bed 11, and the two infrared reflective sheets 36 are respectively L-shaped, and two straight edges of the L-shape are respectively directed to the other two corners 111 of the four corners. By the arrangement of the two L-shaped infrared reflectors 36 of the present embodiment, the bed area 312 can be easily defined, so as to increase the accuracy of the determination.
Referring to fig. 5, fig. 5 is a schematic flow chart of a sensing and warning method applied in the medical care field according to an embodiment of the present invention. The sensing and warning method according to an embodiment of the present invention is similar to the implementation means and the contents thereof described in fig. 1A to fig. 4, and the same or similar parts are not repeated. The sensing and warning method of the invention comprises the following steps:
step S1: providing a bed body, wherein the bed body is provided with at least four corners, and the four corners define a bed body area for a human body from the outside to be positioned on the bed body and in the bed body area.
Step S2: a sensor is provided to sense a human body to obtain an imaging region.
Step S3: a microprocessor is provided to receive and compare the imaging region and the bed region.
Step S4: and judging whether an imaging area with a first preset proportion is positioned outside the bed body area. If so, the synchronization proceeds to step S51 and step S52; if not, the procedure returns to step S2 to retrieve the imaging region. Considering the malfunction problem, i.e. the patient is only touched by mistake and does not want to leave the bed, the first predetermined ratio is preferably set to be greater than or equal to 15%, in this embodiment, the first predetermined ratio is 25%, which will reduce most malfunctions, in other embodiments, the first predetermined ratio may be 15%, 20%, 30%, etc., but not limited thereto.
Step S51: a first warning signal is sent out, wherein the first warning signal is sent out by the microprocessor.
Step S52: and judging whether an imaging area with a second preset proportion is positioned outside the bed body area. If yes, go to step S6; if not, the process returns to step S2 to retrieve the imaging region. Considering the problem of misjudgment, that is, the patient does not actually leave the bed, the second predetermined ratio is preferably set to be greater than or equal to 70%, in this embodiment, 100%, to completely avoid misjudgment, and in other embodiments, the second predetermined ratio may also be 70%, 80%, 90%, and the like, but not limited thereto.
Step S6: sending a second warning signal, wherein the second warning signal is sent by the microprocessor.
In other embodiments, the first warning signal may be displayed on a display system of the medical care station (e.g., a computer, an electronic billboard, etc.) and is presented as a yellow light signal, and the second warning signal may be displayed on a display system of the medical care station (e.g., a computer, an electronic billboard, etc.) and is presented as a red light signal, or both a sound and a light signal, but not limited thereto.
In summary, the sensing and warning system and method applied in the medical care field of the invention have the following advantages:
firstly, the method comprises the following steps: the sensing and warning system and method of the present invention further provides a system for sending a first warning signal 151 to notify medical personnel when a patient is about to leave the hospital bed, so as to prompt the medical personnel to arrive as soon as possible, prevent the patient from leaving the hospital bed, and avoid or reduce possible falls and injuries.
Secondly, the method comprises the following steps: the sensing and warning system and method of the present invention continuously track the imaging area in the bed area, even if there are accompanying family, visiting relatives and friends, or passing people nearby, there is no possibility of confusion and erroneous determination.
Thirdly, the method comprises the following steps: the sensing and warning system and method of the invention can easily define the bed area by sensing more than two infrared reflectors positioned at four corners through the infrared heat sensor, thereby increasing the accuracy of judgment.
Fourthly: the sensing and warning system and method of the present invention can be applied to a wide range of medical care fields, such as hospitals, clinics, nursing homes, support centers, and long-term care centers, as long as there are people who are on the bed and are not allowed to walk or leave the bed at that time, the sensing and warning system and method of the present invention can be applied to achieve the above-mentioned desired effects.
The detailed description is specific to possible embodiments of the invention, but the embodiments are not intended to limit the scope of the invention, and equivalent implementations or modifications that do not depart from the technical spirit of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a apply to sensing and warning system in medical care field which characterized in that contains:
a bed having at least four corners defining a bed area for a human body from outside to be positioned on and within the bed area;
a sensor for sensing the human body to obtain an imaging region; and
a microprocessor for receiving and comparing the imaging region and the bed region,
when the imaging area with a first preset proportion is positioned outside the bed body area, the microprocessor sends out a first warning signal.
2. The sensing and alarm system of claim 1, wherein the bed is a hospital bed and the body is a patient.
3. The sensing and alert system according to claim 1, wherein the first predetermined proportion is greater than or equal to 15%.
4. The sensing and alarm system of claim 1, wherein the microprocessor sends a second alarm signal when a second predetermined percentage of the imaged area is outside the bed area, wherein the second predetermined percentage is greater than or equal to 70%.
5. The sensing and alarm system of claim 1, wherein said sensor is an infrared thermal sensor.
6. The sensing and warning system of claim 5, further comprising four infrared reflectors, the four infrared reflectors being disposed at the four corners of the bed body, respectively.
7. The sensing and warning system of claim 5, further comprising two infrared reflectors, wherein the two infrared reflectors are respectively disposed at two opposite corners of the four corners of the bed.
8. The sensing and warning system of claim 7, wherein the two infrared reflectors are each L-shaped, and two straight sides of the L-shape are respectively directed to the other two corners of the four corners.
9. A sensing and warning method applied to the medical care field is characterized by comprising the following steps:
providing a bed body, wherein the bed body is provided with at least four corners, and the four corners define a bed body area for a human body from the outside to be positioned on the bed body and positioned in the bed body area;
providing a sensor for sensing the human body to obtain an imaging area; and
providing a microprocessor to receive and compare the imaging region and the bed region,
when a first predetermined proportion of the imaging area is located outside the bed area, the microprocessor sends out a first warning signal, wherein the first predetermined proportion is greater than or equal to 15%.
10. The sensing and warning method of claim 9, wherein the microprocessor sends a second warning signal when a second predetermined percentage of the imaged area is outside the bed area, wherein the second predetermined percentage is greater than or equal to 70%.
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| CN201811256036.0A CN111096752A (en) | 2018-10-26 | 2018-10-26 | Sensing and warning system and method applied to medical care field |
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| CN201811256036.0A CN111096752A (en) | 2018-10-26 | 2018-10-26 | Sensing and warning system and method applied to medical care field |
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