CN108433859B - Restraint device and restraint method thereof - Google Patents
Restraint device and restraint method thereof Download PDFInfo
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- CN108433859B CN108433859B CN201810102499.5A CN201810102499A CN108433859B CN 108433859 B CN108433859 B CN 108433859B CN 201810102499 A CN201810102499 A CN 201810102499A CN 108433859 B CN108433859 B CN 108433859B
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- restraint
- information
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- pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/37—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts
- A61F5/3769—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts for attaching the body to beds, wheel-chairs or the like
- A61F5/3776—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts for attaching the body to beds, wheel-chairs or the like by means of a blanket or belts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/23—Recognition of whole body movements, e.g. for sport training
Abstract
The invention discloses a restraint device which comprises an information acquisition component and a restraint component, wherein the information acquisition component is used for acquiring action information of a user, and the restraint component is used for tightening, loosening or adjusting the position according to the action information of the user acquired by the information acquisition component. The restraint device of the technical scheme of the invention scientifically pre-judges the behaviors of the user and timely restrains the behaviors, so that the physical and psychological injuries of the user caused by long-time unnecessary restraint are avoided, meanwhile, the limbs are kept in the functional position and proper tightness, the comfort of the user is ensured, and secondary injuries are prevented.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a constraint device and a constraint method thereof.
Background
In the clinical treatment process, some patients often have accidents such as falling from bed, bruising, scratching or self-extubation due to unconsciousness, and the behaviors can aggravate the disease condition and even endanger life.
The conventional restraint strap has no elasticity, is not suitable for overlong use time, and can be timely released after the stable state of an illness or the treatment is finished. For a patient needing long-term restraint, the peripheral circulation condition of the restraint part and the tightness of the restraint belt need to be observed every half hour, and the patient needs to move the limbs or relax once every two hours to find abnormality and deal with the abnormality in time. The tightness degree of the restraint strap is also important, and if the user loosens the restraint strap, the user can easily get rid of the restraint strap, so that secondary injury is easily caused, and people around the user can be endangered; too tight can cause pressure sores or limb injuries due to too long compression of the limb, but the tightness degree is often not controlled well.
The traditional restraint strap is a simple strap, has single structure and function, and has the problems of slow braking, complex restraint operation and difficulty in mastering the tightness of the restraint strap in the process of protecting patients. In addition, when the traditional restraint strap restrains the patient, the limbs and the joints cannot be kept in the functional positions, and the patient needs to be assisted to change the body position frequently to keep the comfort of the patient. Furthermore, the traditional restraint strap requires that the nursing staff adjust the proper tightness according to different body positions of the user, and the fixing method is knotting, so that the user can loosen the fixation by himself without attention, thereby causing accidents. The traditional restraint strap needs to be wound around a patient and then fixed on the bed rail, however, the bed rail is usually a transverse rod which is arranged transversely, and the restraint strap can slide along the axial direction of the transverse rod after being tied on the bed rail. Particularly in restless patients, the restraining belt can be pulled out of a certain gap, so that the restraining belt loses the restraining effect.
Disclosure of Invention
The technical problem to be solved by the technical scheme of the invention is to provide the restraint device which is harmless to the body of a user, is simple to operate and can effectively prevent and control dangerous behaviors of the user.
In order to solve the above technical problem, a technical solution of the present invention provides a restraint device, including: the device comprises an information acquisition component and a constraint component, wherein the information acquisition component is used for acquiring action information of a user, and the constraint component is used for tightening, loosening or adjusting the position according to the action information of the user acquired by the information acquisition component.
Optionally, the constraining member includes a constraining band and a traction member, and the traction member is connected to the constraining band for controlling the tightening and loosening of the constraining band, wherein the constraining band is made of a non-elastic, tough and soft cloth material.
Optionally, the traction device is a first motor.
Optionally, the restriction device is a restriction bed.
Optionally, the restraining part further comprises a transporting part, the transporting part comprises a track, a conveyor belt and a second motor, the track is arranged on the periphery of the restraining bed body, the conveyor belt is arranged on the track, one end of the conveyor belt is connected with the restraining belt, and the second motor controls the conveyor belt to move.
Optionally, the information acquisition component includes a pressure acquisition device, the pressure acquisition device includes a pressure sensor, and the pressure sensor is used for acquiring pressure information of each part of the bed body.
Optionally, the pressure acquisition device further includes a tension sensor and an angle sensor, the tension sensor and the angle sensor are both arranged at the joint of the first motor and the restraint strap, the tension sensor is used for acquiring tension information of the restraint strap, and the angle sensor is used for acquiring angle information of the restraint strap.
Optionally, the information collecting component further includes an image collecting device, and the image collecting device is used for collecting images of a user.
Optionally, the image acquisition device is an infrared camera.
Optionally, the constraint device further includes an analysis component, where the analysis component receives the motion information collected by the information collection component and identifies the motion, and controls the constraint component to tighten, loosen, or adjust the position according to the identification result.
Optionally, the analysis component identifies the action according to the infrared image and the pressure information acquired by the information acquisition component.
The invention also provides a restraining method of the restraining device, which comprises the following steps:
step S1: acquiring image information of a user and pressure information of each part of a body: the method comprises the following steps of (1) shooting the condition of a user in real time by adopting an infrared camera, and acquiring a plurality of groups of two-dimensional infrared images of the user through an infrared thermal imaging technology; the pressure of each part of the body of a user on the restraint bed is collected through a pressure sensor, the tension of the restraint belt is collected through a tension sensor, and the angle information of the restraint belt is obtained through an angle sensor;
step S2: analyzing the image information and the pressure information: processing a plurality of groups of two-dimensional images acquired by an infrared camera, reconstructing three-dimensional contour information of a human body, and analyzing and calculating the image information by adopting a human body contour recognition technology to obtain body position information of a user; combining the body position information and the pressure information to form a weight and pressure distribution map of the user; according to the change characteristics of the weight and pressure distribution diagram and the three-dimensional contour information of the human body, the human body behavior is identified by combining the change of the tension of the restraint strap;
step S3: and performing corresponding actions according to the human behavior recognition result: if the recognition result shows that the action of the user is harmful, the action of the user is limited by controlling the length of the restraint strap through the first motor and/or controlling the position of the restraint strap through the second motor; and if the recognition result shows that the user action is harmless, the user action is not limited.
Compared with the prior art, the restraint device of the technical scheme of the invention has the following advantages:
the image information of the user is obtained through an infrared imaging technology and a human body contour recognition technology, the pressure information of different parts of the restraint bed is obtained through the pressure sensor, the behavior information of the user is analyzed by combining the image information and the pressure information, and the behavior of the user is scientifically predicted, so that the restraint is carried out timely, and the physical and psychological damages to the user caused by long-time unnecessary restraint are avoided.
Can intelligent restraint user, avoided the about band of tradition can only fix the drawback of truck and four limbs to can adjust fixed position at any time, keep limbs to be in functional position and appropriate elasticity simultaneously, the guarantee prevents the secondary injury by restraint person's comfort level.
The rails and the transportation parts are arranged at the edge of the bed body, so that the restraint belt is prevented from sliding along the axial direction of the bed rail cross rod after being fixed on the bed rail, and effective restraint is guaranteed.
Drawings
FIG. 1 is a schematic view of a restraint device according to an embodiment of the invention;
fig. 2 is a schematic structural view of a restraint device according to an embodiment of the present invention.
Fig. 3 is a flowchart of a constraining method of the constraining apparatus according to the embodiment of the present invention.
Detailed Description
Referring to fig. 1, a constraint device according to an embodiment of the present invention includes an information acquisition component and a constraint component, where the information acquisition component is configured to acquire motion information of a user, and the constraint component performs tightening, loosening, or position adjustment according to the motion information of the user acquired by the information acquisition component.
The restraint part comprises a restraint belt 1 and a traction part, the traction part is connected with the restraint belt 1 and is used for controlling the tightening and loosening of the restraint belt 1, and the traction part can be a first motor 2.
The restraining device of the embodiment can be a restraining bed, the restraining part of the restraining bed further comprises a conveying part, the conveying part comprises a track 31, a conveyor belt 32 and a second motor (not shown), the track 31 is arranged around the restraining bed body 4, the conveyor belt 32 is arranged on the track 31, one end of the conveyor belt is connected with the restraining belt 1, and the second motor (not shown) controls the conveyor belt 32 to move.
The information acquisition component comprises a pressure acquisition device, the pressure acquisition device comprises a pressure sensor 51, the pressure sensor 51 is used for acquiring pressure information of each part of the restraint bed 4, the pressure acquisition device further comprises a tension sensor 52 and an angle sensor 53, the tension sensor 52 and the angle sensor 53 are both arranged at the connecting part of the first motor 2 and the restraint belt 1, and the tension sensor 52 is used for acquiring tension (namely the size and the direction of the tension) of the restraint belt 1. It should be noted that the position of the tension sensor 52 is set at the connection between the restraining belt 1 and the first motor 2, so that better tension information can be obtained, and the angle sensor 53 is used for obtaining the angle information of the restraining belt 1. In other embodiments, instead of obtaining the angle information of the constraining belt 1 by the angle sensor 53, a reference infrared light source may be respectively installed at both ends of the constraining belt 1, and the angle between the two points may be analyzed by an infrared image.
The information acquisition component comprises an image acquisition device, and the image acquisition device is a device with a camera shooting function and is used for acquiring images of users. In the present embodiment, an infrared camera (not shown) is used as the image capturing device because the infrared camera (not shown) is not affected by the intensity of light.
Since some components in the embodiment of the present invention are connected by signals, the structure diagram in fig. 1 shows that the connection relationship is unclear, so for clarity, refer to fig. 2. The restraint device of the embodiment further comprises an analysis component, wherein the analysis component receives the action information collected by the information collection component (namely the pressure sensor 51, the tension sensor 52, the angle sensor 53 and the infrared camera) and identifies the action, and controls the restraint component to tighten, loosen or adjust the position according to the identification result. Specifically, the analysis unit forms a weight/pressure distribution map based on the motion information and identifies the motion.
Referring to fig. 3, the constraining method of the constraining apparatus of the present invention includes the following steps:
step S1: acquiring image information and pressure information of a user; specifically, the conditions of the user are shot in real time by adopting a plurality of infrared cameras, a plurality of groups of two-dimensional infrared images of the user are obtained through an infrared imaging technology, the pressure of each part of the body of the user on a sickbed is collected through a pressure sensor, the tension of the restraint strap is collected through a tension sensor, and the angle information of the restraint strap is obtained through an angle sensor.
The infrared thermal imaging technology is that an infrared sensor receives infrared radiation emitted by a measured object located at a certain distance, and the infrared radiation is converted into a thermal image of a target through a signal processing system. It presents the heat distribution of the object in the form of visual image and displays it in the form of grey scale or pseudo-colour, thus obtaining the temperature distribution field of the measured object.
Step S2: analyzing the image information and the pressure information: processing a plurality of groups of two-dimensional images acquired by an infrared camera, reconstructing three-dimensional contour information of a human body, and analyzing and calculating the image information by adopting a human body contour recognition technology to obtain body position information of a user; and (3) according to the change characteristics of the weight and pressure distribution diagram and the three-dimensional contour information of the human body, and the human body behavior identification is carried out by combining the change of the tension of the restraint strap (namely the magnitude and the direction of the tension).
Step S3: and the execution module makes corresponding action according to the human behavior recognition result. Specifically, if the recognition result shows that the action of the user is harmful, the action of the user is limited by controlling the length of the restraint strap through the first motor and/or controlling the position of the restraint strap through the second motor; and if the recognition result shows that the user action is harmless, the user action is not limited.
In the clinical application process, a plurality of infrared cameras are generally arranged in different directions of a ward for continuous monitoring, infrared light sources are arranged around a bed body 4 of a restraint bed, infrared images of a user are obtained by using an infrared thermal imaging technology, the infrared images are input into an analysis part in a system, the analysis part calculates position information of all parts of the body of the user by using a human body contour recognition technology, a plurality of groups of two-position images are processed, and three-dimensional contour information of the human body is reconstructed. The upper layer of the bed body 4 is provided with a pressure sensor 51 which monitors the pressure of each part of the body of the user in real time, the obtained pressure information is transmitted to an analysis part, and the analysis part combines the three-dimensional contour information and the pressure information to form a weight and pressure distribution diagram of the user.
The edge of the bed body 4 is provided with a track 31, four corners of the track 31 are provided with rotating shafts 6, the conveyor belt 32 is arranged in the track 31 around the rotating shafts, baffle plates 33 for preventing the conveyor belt 32 from being separated from the track 31 are arranged above the four corners of the track 31, one end of the restraint belt 1 is arranged on the body of a user, the other end of the restraint belt 1 is connected with the conveyor belt 32, a second motor (not shown) drives the conveyor belt 32 to move through the rotating shafts 6, the restraint belt 1 connected with the conveyor belt 32 can also rotate along with the conveyor belt 32, and therefore the position of the restraint. The restraint strap 1 is connected with a first motor 2, the first motor 2 controls the tightening and loosening of the restraint strap 1, and the first motor 2 and a second motor (not shown) are controlled by an analysis component. The constraining belt 1 is also connected to a tension sensor 52, and the tension sensor 52 detects the tension of the constraining belt 1 and transmits the tension information to the analyzing means.
When a user lies on the bed and the muscle of the user contracts, the weight pressure distribution diagram and the tension of the restraint strap 1 are changed, and the analysis component can identify the human behavior according to the information. If the recognition result shows that the action of the user is harmful, the analysis component gives an instruction to rotate the first motor 2, adjust the restraint strap 1 to a proper length, and gives an instruction to rotate a second motor (not shown) to adjust the position of the restraint strap 1, so as to limit the action of the user; and if the recognition result shows that the user action is harmless, the user action is not limited.
The actual working process of the restraint device of the technical scheme of the invention is as follows:
when a user lies on the bed, the left arm of the user suddenly moves to the right side, the corresponding weight pressure distribution diagram and the tension of the restraint strap change (size and direction), the analysis component identifies the human behavior according to the information, and judges that the user possibly wants to pull out the infusion device on the right hand in advance, the analysis component sends a tightening instruction to the first motor, the first motor rotates to tighten the restraint strap, meanwhile, the analysis component sends an instruction to the second motor, the second motor rotates and drives the conveyor belt to rotate in the direction opposite to the movement direction of the restraint strap, and the restraint strap is tightened in an auxiliary mode.
If the trunk of the user suddenly makes a left-side rotation action, the analysis component identifies the human body behavior, and if the user wants to turn over in advance, the analysis component sends an instruction to the first motor and the second motor, so that the restraint strap of the trunk of the user is loosened, and the turning over action is smoothly completed.
If the right arm of the user suddenly moves towards the head, if the analysis component judges that the user wants to be disabled in advance, the program sends an instruction to the first motor and the second motor, so that the restraint strap of the right wrist of the user is tightened, and the user movement is limited.
While specific embodiments of the present invention have been described in detail above, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A restraining apparatus, characterized in that the restraining apparatus is a restraining bed, comprising:
the information acquisition component is used for acquiring the action information of a user, the constraint component is used for tightening, loosening or adjusting the position according to the action information of the user acquired by the information acquisition component,
the restraint component comprises a restraint belt and a traction component, the traction component is connected with the restraint belt and is used for controlling the tightening and loosening of the restraint belt, the traction component is a first motor,
the restraint part also comprises a transportation part, the transportation part comprises a track, a conveyor belt and a second motor, the track is arranged on the periphery of the bed body of the restraint bed, the conveyor belt is arranged on the track, one end of the conveyor belt is connected with the restraint belt, and the second motor controls the conveyor belt to move.
2. The restraint device according to claim 1, wherein the information collecting member comprises a pressure collecting device, and the pressure collecting device comprises a pressure sensor for collecting pressure information of each part of the bed body.
3. The restraint device of claim 2, wherein the pressure acquisition device further comprises a tension sensor and an angle sensor, the tension sensor and the angle sensor are both disposed at a connection position of the first motor and the restraint band, the tension sensor is configured to acquire tension information of the restraint band, and the angle sensor is configured to acquire angle information of the restraint band.
4. The restraint device of claim 3, wherein the information acquisition component further comprises an image acquisition device for acquiring images of the user.
5. The restraint device of claim 4, wherein the image capture device is an infrared camera.
6. The restraint device according to claim 5, wherein the restraint device further comprises an analysis component, the analysis component receives the action information collected by the information collection component and identifies the action, and controls the restraint component to tighten, loosen or adjust the position according to the identification result.
7. The restraint device of claim 6, wherein the analysis component identifies an action based on the infrared image and the pressure information collected by the information collection component.
8. A method of restraining by a restraining apparatus according to claim 7, comprising the steps of:
step S1: acquiring image information of a user and pressure information of each part of a body: the method comprises the following steps of (1) shooting the condition of a user in real time by adopting an infrared camera, and acquiring a plurality of groups of two-dimensional infrared images of the user through an infrared thermal imaging technology; the pressure of each part of the body of a user on the restraint bed is collected through a pressure sensor, the tension of the restraint belt is collected through a tension sensor, and the angle information of the restraint belt is obtained through an angle sensor;
step S2: analyzing the image information and the pressure information: processing a plurality of groups of two-dimensional images acquired by an infrared camera, reconstructing three-dimensional contour information of a human body, and analyzing and calculating the image information by adopting a human body contour recognition technology to obtain body position information of a user; combining the body position information and the pressure information to form a weight and pressure distribution map of the user; according to the change characteristics of the weight and pressure distribution diagram and the three-dimensional contour information of the human body, the human body behavior is identified by combining the change of the tension of the restraint strap;
step S3: and performing corresponding actions according to the human behavior recognition result: if the recognition result shows that the action of the user is harmful, the action of the user is limited by controlling the length of the restraint strap through the first motor and/or controlling the position of the restraint strap through the second motor; and if the recognition result shows that the user action is harmless, the user action is not limited.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102499.5A CN108433859B (en) | 2018-02-01 | 2018-02-01 | Restraint device and restraint method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810102499.5A CN108433859B (en) | 2018-02-01 | 2018-02-01 | Restraint device and restraint method thereof |
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| CN108433859A CN108433859A (en) | 2018-08-24 |
| CN108433859B true CN108433859B (en) | 2020-06-09 |
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| CN201810102499.5A Active CN108433859B (en) | 2018-02-01 | 2018-02-01 | Restraint device and restraint method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113143688A (en) * | 2021-04-21 | 2021-07-23 | 浙江大学医学院附属邵逸夫医院 | Elbow restraint exercise device |
| CN114052724B (en) * | 2022-01-13 | 2022-09-09 | 西安交通大学医学院第一附属医院 | Orthopedics traction abnormity detection system based on artificial intelligence |
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| CN2621031Y (en) * | 2003-04-28 | 2004-06-23 | 阎振华 | Portable household lumbar vertebra traction bed plate |
| DE102010050165A1 (en) * | 2010-10-30 | 2012-05-03 | Hans Roth | Device for securing patient in bed in e.g. hospital, has securing unit projected upwardly from bed and arranged at sides of bed, where securing unit prevents person from leaving bed, and projected over lying surface of bed |
| CN105231995A (en) * | 2015-09-29 | 2016-01-13 | 无锡市润华碳晶地暖设备有限公司 | Sleep system |
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| US7143458B2 (en) * | 2003-03-17 | 2006-12-05 | Slater Jr Robert R | Stabilizer for forearm traction |
| EA012885B1 (en) * | 2005-12-28 | 2009-12-30 | Неуронано Аб | Method and system for compensating a self-caused displacement of tissue |
| CN202409324U (en) * | 2012-02-05 | 2012-09-05 | 周立发 | Restraint bed for psychopaths |
| CN203060006U (en) * | 2012-12-05 | 2013-07-17 | 徐彬 | Binding pressure sensing warning facility for medical treatment |
| CN103315837A (en) * | 2013-06-21 | 2013-09-25 | 无锡豪思纺织品有限公司 | Novel posture correction clothing |
| CN106075644A (en) * | 2016-08-10 | 2016-11-09 | 李金霞 | A kind of multi-functional mental patient infusion device |
| CN206167149U (en) * | 2016-08-23 | 2017-05-17 | 刘陈 | Electronic intelligence restraint monitoring area |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2621031Y (en) * | 2003-04-28 | 2004-06-23 | 阎振华 | Portable household lumbar vertebra traction bed plate |
| DE102010050165A1 (en) * | 2010-10-30 | 2012-05-03 | Hans Roth | Device for securing patient in bed in e.g. hospital, has securing unit projected upwardly from bed and arranged at sides of bed, where securing unit prevents person from leaving bed, and projected over lying surface of bed |
| CN105231995A (en) * | 2015-09-29 | 2016-01-13 | 无锡市润华碳晶地暖设备有限公司 | Sleep system |
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