CN210611108U

CN210611108U - Restraint strap capable of automatically adjusting tightness

Info

Publication number: CN210611108U
Application number: CN201921569031.3U
Authority: CN
Inventors: 李建英
Original assignee: Ziyang People's Hospital
Current assignee: Ziyang People's Hospital
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-26
Anticipated expiration: 2029-09-20

Abstract

The utility model provides an automatic about band of regulation elasticity relates to medical instrument technical field, and it includes the inclusion area, and the inboard in inclusion area is fixed with pressure sensor, and the outside in inclusion area is fixed with the strapping. The strapping tape comprises a fixing tape and an adjusting tape which are respectively positioned on two sides of the inclusion tape, a via hole for the adjusting tape to pass through is arranged on the fixing tape, a plurality of tooth holes are arranged on the adjusting tape along the length direction of the adjusting tape, and fixing buckles are arranged at the end parts of the fixing tape and the adjusting tape. The tooth hole is meshed and sleeved on the gear, the gear is connected with a driving motor, and the driving motor and the pressure sensor are electrically connected to the controller. The problem of about band that current operation in-process used can not automatically regulated elasticity is solved.

Description

Restraint strap capable of automatically adjusting tightness

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an automatically-adjustable elastic restraint strap for protecting patients in the operation process.

Background

In the process of a patient operation, the body position of the patient needs to be fixed by using the restraint strap so as to facilitate the operation of medical staff. The existing restraint strap can not be adjusted according to the weight of a patient, often over-tightly restrains the patient with obesity, local strangulation is easily caused, and the incidence rate of pressure sores is increased; the patient with weak constitution is restrained too loosely and is easy to slip, and the purpose of restraint is not achieved.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides an about band of automatically regulated elasticity has solved the problem that about band that current operation in-process used can not the automatically regulated elasticity.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the restraint strap capable of automatically adjusting tightness comprises a wrapping strap, wherein a pressure sensor is fixed on the inner side of the wrapping strap, and a binding strap is fixed on the outer side of the wrapping strap. The strapping tape comprises a fixing tape and an adjusting tape which are respectively positioned on two sides of the inclusion tape, a via hole for the adjusting tape to pass through is arranged on the fixing tape, a plurality of tooth holes are arranged on the adjusting tape along the length direction of the adjusting tape, and fixing buckles are arranged at the end parts of the fixing tape and the adjusting tape. The tooth hole is meshed and sleeved on the gear, the gear is connected with a driving motor, and the driving motor and the pressure sensor are electrically connected with the controller.

Furthermore, a driving motor is installed on the bottom plate, and an installation clamp is fixed on the bottom plate. Can be in a flexible way be fixed in the sick bed or other places that can fix with the driving motor centre gripping through the installation clamp, improve the convenience of using.

Furthermore, the gear is coaxially provided with a limiting cover which does not rotate along with the gear and is arc-shaped, and the limiting cover is provided with a belt inlet and a belt outlet for the adjusting belt to penetrate in and out.

Furthermore, the distance between the belt inlet and the belt outlet is not less than 180 degrees along the circumference, so that the adjusting belt can be fully wound on the gear, the gear is prevented from being separated from the tooth hole, and the transmission reliability between the gear and the adjusting belt is ensured.

Furthermore, the gear comprises a rotating body fixedly sleeved on an output shaft of the driving motor, and a circle of transmission teeth with trapezoidal sections are uniformly distributed on the circumference of the outer cylindrical surface of the rotating body.

Furthermore, a sweat absorbing layer is wrapped on the pressure sensor. Sweat that produces through sweat layer absorption human body prevents that sweat from drenching pressure sensor and influencing measurement accuracy and even damage.

Further, the end of the adjusting belt is fixed with a wear-resistant plate. The fiber scattering after the end part of the adjusting belt is abraded is prevented from influencing the efficiency of the adjusting belt passing through the limit cover and the convenience of operation.

Further, the fixing buckle is a magnetic buckle. The magnetic buckle is firm in connection and rapid and convenient to install.

The utility model has the advantages that: through the pressure sensor real-time supervision inclusion area and with this pressure transmission to the controller, compare the pressure value that will survey with preset pressure value through the controller to judge whether the inclusion area is tied up too tightly or too pine, then positive and negative rotation that comes drive gear through controller control driving motor changes the meshing position of gear and regulation band through positive and negative rotation of gear, thereby the elasticity of adjustment strapping. The intelligent control makes the tightness adjustment of strapping tape more accurate to guarantee to patient's firm restraint and can not arouse local lane of reining, increase the incidence of pressure sore.

Drawings

Figure 1 is a schematic view of the deployment of the casing strap and strapping.

Fig. 2 is a schematic structural view of a driving motor portion.

Fig. 3 is a schematic view of a use state of the restraint belt for automatically adjusting tightness.

Wherein, 1, a wrapping tape; 11. a sweat absorbing layer; 2. a pressure sensor; 3. a strapping tape; 31. fixing belts; 311. a via hole; 32. an adjustment belt; 321. a perforation; 322. a wear resistant sheet; 33. a fixing buckle; 4. a gear; 41. a swivel; 42. a transmission gear; 5. a drive motor; 6. a base plate; 61. installing a clamp; 7. a limiting cover; 71. a tape inlet; 72. a tape outlet.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in fig. 1, the restraint band for automatically adjusting the tightness includes a casing band 1, a pressure sensor 2 fixed to the inside of the casing band 1, and a binding band 3 fixed to the outside of the casing band 1. The interior of the body belt 1 is provided with a cotton-sandwiched layer for improving the comfort of the restricted part of the patient. The strapping tape 3 is adhered to the outer side of the body tape 1 by sewing or a thread gluing tape, and is fastened and fixed by the strapping tape 3 after the body tape 1 is adhered to the restricted part of the patient.

The strapping 3 comprises a fixing band 31 and an adjusting band 32 which are respectively positioned at two sides of the casing band 1, a through hole 311 for the adjusting band 32 to pass through is arranged on the fixing band 31, the width of the adjusting band 32 is smaller than that of the fixing band 31, so that the adjusting band 32 can pass through the through hole 311, and a wear-resistant piece 322 is fixed at the end part of the adjusting band 32. The end parts of the fixing belt 31 and the adjusting belt 32 are both provided with a fixing buckle 33, the fixing buckle 33 is a magnetic buckle, and when the binding belt is used, two ends of the binding belt 3 are wound on a rod or a column on an operating table or a sickbed, and are fixed into a whole circle through the magnetic buckle after being wound for one circle.

Be provided with a plurality of tooth holes 321 along its length direction on the regulation area 32, the tooth hole 321 meshing cup joints on gear 4, and gear 4 is including fixed cup joint in 5 epaxial rotators of output 41 of driving motor, and circumference evenly distributed has the round section to be trapezoidal driving tooth 42 on the outer face of cylinder 41 of rotating, and driving tooth 42 inserts the tooth hole 321, and the arc length between the adjacent driving tooth 52 equals the interval between the adjacent tooth hole 321. The gear 4 rotates forward or backward to tighten or loosen the adjusting belt 32. The driving motor 5 is installed on the bottom plate 6, the installation clamp 61 is fixed on the bottom plate 6, and the installation clamp 61 is provided with an adjusting screw capable of adjusting clamping tightness and used for fixing the driving motor 5 on a sickbed or a table.

As shown in fig. 2, the gear 4 is coaxially provided with an arc-shaped limit cover 7 which does not rotate with the gear 4, the limit cover 7 is provided with a tape inlet 71 and a tape outlet 72 for the adjusting tape 32 to pass through, and the distance between the tape inlet 71 and the tape outlet 72 is not less than 180 ° along the circumference, so as to ensure that the adjusting tape 32 is sufficiently wound on the gear 4.

The driving motor 5 and the pressure sensor 2 are electrically connected to the controller, and the sweat absorbing layer 11 is wrapped on the pressure sensor 2. The controller is preferably an STM32F103RCT6 chip, and the pressure sensor 2 is a resistive film pressure sensor. The pressure sensor 2 converts the acquired pressure signal through the analog/digital conversion circuit and then inputs the pressure signal into the controller, the controller judges the magnitude relation between the measured pressure value and the preset value, two paths of PWM signals are output to the motor driving chip L9110S, and the current direction of the motor is changed by changing the circuit where the PWM signals are located, so that the purpose of changing the rotation direction of the driving motor 5 is achieved. The driving motor 5 is a speed reduction dc motor. The power supply preferably employs a removable battery.

As shown in fig. 3, when in use, the wrapping belt 1 is wound around the to-be-restrained part of the patient, the strapping belt 3 is fixed outside the wrapping belt 1 through the adhesive fastener, the adjusting belt 32 crosses the fixing belt 31 and passes through the through hole 311, the fixing belt 31 is wound and then is fixedly sleeved on the bed column through the magnetic fastener, one end of the adjusting belt 32, which is provided with the wear-resistant piece 322, enters the limiting cover 7 from the belt inlet 71 and passes through the belt outlet 72, the adjusting belt 32 is pulled to enable the tooth hole 321 to be sleeved on the transmission tooth 42, the end of the adjusting belt 32 is wound and then is fixedly sleeved on the bed column on the side opposite to the fixing belt 31 through the magnetic fastener, and the controller is started to control the forward rotation and the reverse rotation of the driving motor 5 according to a pressure signal detected by the pressure sensor 2 to adjust the tightness of the adjusting belt.

Claims

1. The restraint strap capable of automatically adjusting tightness is characterized by comprising a body strap (1), wherein a pressure sensor (2) is fixed on the inner side of the body strap (1), and a binding strap (3) is fixed on the outer side of the body strap (1);

the strapping tape (3) comprises a fixing tape (31) and an adjusting tape (32) which are respectively positioned at two sides of the casing tape (1), a through hole (311) for the adjusting tape (32) to pass through is formed in the fixing tape (31), a plurality of tooth holes (321) are formed in the adjusting tape (32) along the length direction of the adjusting tape, and fixing buckles (33) are arranged at the end parts of the fixing tape (31) and the adjusting tape (32);

the tooth hole (321) is meshed and sleeved on the gear (4), the gear (4) is connected with a driving motor (5), and the driving motor (5) and the pressure sensor (2) are electrically connected with the controller.

2. The restraint belt for automatically adjusting tightness according to claim 1, wherein the driving motor (5) is mounted on a bottom plate (6), and a mounting clip (61) is fixed on the bottom plate (6).

3. The restraint strap capable of automatically adjusting tightness according to claim 1 or 2, wherein an arc-shaped limiting cover (7) which does not rotate along with the gear (4) is coaxially arranged outside the gear (4), and a strap inlet (71) and a strap outlet (72) for the adjusting strap (32) to pass through are arranged on the limiting cover (7).

4. A restraining belt with automatic take-up regulation according to claim 3, characterized in that said belt inlet (71) is circumferentially spaced from said belt outlet (72) by not less than 180 °.

5. The restraint belt for automatically adjusting tightness according to claim 1, wherein the gear (4) comprises a rotating body (41) fixedly sleeved on the output shaft of the driving motor (5), and a circle of transmission teeth (42) with trapezoidal sections are uniformly distributed on the outer cylindrical surface of the rotating body (41).

6. The restraining belt for automatically adjusting tightness according to claim 1, characterized in that said pressure sensor (2) is wrapped with a sweat absorbing layer (11).

7. The restraining belt for automatically adjusting tightness according to claim 1, characterized in that a wear-resistant piece (322) is fixed to the end of said adjusting belt (32).

8. Restraint strap according to claim 1, characterized in that said fixing buckle (33) is a magnetic buckle.