Lateral position operative position fixing band

By designing a lateral decubitus surgical positioning fixation strap, and employing a fixation rod, hollow rotating cylinder, and automatic adjustment system, the problems of cumbersome operation and inconvenient cleaning in existing technologies have been solved, achieving convenient patient positioning fixation and stable restraint.

CN224207028UActive Publication Date: 2026-05-08SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
Filing Date
2025-04-15
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing lateral decubitus surgical fixation method is cumbersome, requires two people to cooperate, the adhesive tape is not easy to clean, and changing the restraints is time-consuming and laborious, making it difficult to meet the convenience needs of multiple people.

Method used

A lateral decubitus surgical positioning fixation strap was designed, which adopts a fixation device with upper and lower layered separation, including a fixing rod and a hollow rotating cylinder. It combines a ratchet and a pawl to achieve unidirectional winding of the strap, and is equipped with a pressure-sensitive sensor and a geared motor to automatically adjust the tightness of the strap, simplifying the operation process.

Benefits of technology

It enables a single person to easily adjust and fix the patient's position, reduces the number of operation steps, improves the adaptability and stability of the fixation device, and simplifies the cleaning process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lateral position operative position fixing band which comprises an operating bed, a fixing device and a binding band, the fixing device and the binding band are arranged on the side of the operating bed, the fixing device is connected with the binding band and used for adjusting the binding band, the fixing device is in a double-layer layout with an upper layer and a lower layer separated, and a fixing rod is arranged in an upper-layer space of the fixing device. The fixing rods are used for being fixedly connected with bandages, hollow rotating cylinders connected with the bandages are arranged in lower-layer spaces of the fixing devices and used for winding the bandages, ratchet wheels are arranged at one ends of the hollow rotating cylinders, the fixing devices further comprise pawls matched with the ratchet wheels, the pawls are used for limiting the ratchet wheels, and the fixing devices are arranged on the two sides of the operating bed. The fixing devices on the two sides jointly act to position the body position of the patient. The pawl and the ratchet wheel are matched for use, so that the hollow rotary drum rotates unidirectionally, and the bandage can be unidirectionally wound; a pressure-sensitive sensor is arranged at the position, making contact with the human body, of the bandage and detects the tightening degree of the bandage, and the patient is stably bound in the process from the flat lying position to the side lying position.
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Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary technology, specifically a lateral decubitus surgical positioning fixation belt. Background Technology

[0002] Standard surgical positioning requires joint confirmation and execution by the surgeon, anesthesiologist, and operating room nurse. Appropriate positioning equipment and supplies must be selected based on physiological and anatomical knowledge to fully expose the surgical field and ensure patient safety and comfort. The lateral decubitus position is a commonly used surgical position suitable for thoracic surgery, urology, and other procedures. However, patients under anesthesia often cannot maintain their own stability and require the use of operating table accessories for immobilization to ensure their safety. Current immobilization methods involve using adhesive tape to fix the chest and pelvis, with both ends secured to the side handles of the bed. This requires two people to cooperate, making the operation relatively cumbersome, and the adhesive tape is difficult to remove from the operating table after surgery.

[0003] Existing technologies use restraint straps to fix patient positions, such as the lateral decubitus anti-rotation restraint strap structure and its usage method described in publication number CN118236218A, which includes a chest restraint strap, a hip restraint strap, and a fixation strap. The chest restraint strap is used to restrain and fix the patient's chest, and the hip restraint strap is used to restrain and fix the patient's hips. This invention uses chest and hip restraint straps of appropriate sizes, selected according to the patient's gender, body type, chest circumference, and hip circumference, to restrain the patient in a lateral decubitus position during surgery. However, changing the restraint straps is time-consuming and laborious; therefore, there is a need for a conveniently adjustable lateral decubitus surgical position fixation strap that can accommodate multiple patients. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a lateral decubitus surgical positioning fixation strap, comprising an operating table, a fixation device and a strap disposed on the side of the operating table. The fixation device is connected to the strap and used for adjusting the strap. The fixation device adopts a double-layered layout with upper and lower layers. A fixing rod is disposed in the upper space of the fixation device for fixing the strap. A hollow rotating cylinder for winding the strap is disposed in the lower space of the fixation device. A ratchet is disposed at one end of the hollow rotating cylinder. The fixation device also includes a pawl that cooperates with the ratchet for limiting the ratchet. Fixation devices are disposed on both sides of the operating table, and the fixation devices on both sides work together to position the patient.

[0005] Furthermore, the fixing device includes a vertical plate connecting the operating table and a horizontal plate fixedly connected between the vertical plates. The two vertical plates and the horizontal plate are connected in an I-shape. The horizontal plate divides the space between the vertical plates into an upper space and a lower space. A fixing rod is horizontally arranged in the upper space and fixedly connected to the vertical plates at both ends. A hollow rotating cylinder is horizontally arranged in the lower space and protrudes from the vertical plates at both ends. The hollow rotating cylinder is rotatably connected to the vertical plates. A ratchet is provided at the end of the hollow rotating cylinder protruding from the vertical plates. A pawl that cooperates with the ratchet is rotatably connected to the outside of the vertical plates. The pawl is located above the ratchet.

[0006] Furthermore, the hollow rotating cylinder is hollow inside and has axial openings on its side walls. The two openings are symmetrically arranged about the hollow rotating cylinder. The openings are rectangular in shape, and their length direction is the same as the axial direction of the hollow rotating cylinder. The length of the opening is greater than the width of the strap, and the width of the opening is greater than the thickness of the strap.

[0007] Furthermore, one end of the strap is fixedly connected to a fixing rod, and the free end is provided with a friction layer.

[0008] Furthermore, a rotating handle is provided at the end of the hollow rotating cylinder away from the ratchet.

[0009] Furthermore, a reduction motor is provided at the end of the hollow drum away from the ratchet, and the output shaft of the reduction motor is fixedly connected to the hollow drum, with the output shaft of the reduction motor being coaxial with the hollow drum.

[0010] Furthermore, a pressure-sensitive sensor is installed at the contact point between the strap and the human body. The pressure-sensitive sensor is connected to a controller, and the controller is connected to a geared motor. The pressure-sensitive sensor transmits electrical information to the controller, and the controller controls the start and stop of the geared motor.

[0011] The beneficial effects of this utility model are as follows:

[0012] This utility model's lateral decubitus surgical positioning strap uses fixing devices on both sides of the operating table to work together to position the patient. A ratchet is installed at the end of the hollow rotating cylinder protruding from the vertical plate. A pawl that rotatably connects to the outside of the vertical plate and engages with the ratchet is located above the ratchet. The pawl and ratchet work together to allow the hollow rotating cylinder to rotate in one direction, thus enabling unidirectional winding of the strap. A pressure-sensitive sensor is installed at the point where the strap contacts the patient. The pressure-sensitive sensor transmits electrical information to the controller, which controls the start and stop of the geared motor. The pressure-sensitive sensor detects the tightness of the strap, ensuring stable restraint as the patient moves from a supine to a lateral decubitus position. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a side view of the present invention.

[0015] Figure 3This is a magnified view of area A.

[0016] Figure 4 This is a three-dimensional structural schematic diagram of another embodiment of the present invention.

[0017] Figure 5 This is a cross-sectional view of another embodiment.

[0018] Figure 6 This is a diagram showing the connection relationships of a geared motor.

[0019] Figure 7 This is a schematic diagram of the position of this utility model.

[0020] Figure 8 This is a schematic diagram of another embodiment.

[0021] Reference numerals: 1. Operating table, 2. Strap, 3. Fixing rod, 4. Hollow rotating drum, 5. Ratchet, 6. Pawl, 7. Vertical plate, 8. Horizontal plate, 9. Opening, 10. Rotating handle, 11. Gear motor, 12. Pressure sensor, 13. Controller, 14. Bedside handle. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0023] See Figures 1-3 This utility model proposes a lateral decubitus surgical positioning fixation strap, comprising: an operating table 1, a fixing device and a strap 2 disposed on one side of the operating table 1, the fixing device being connected to the strap 2 and used for adjusting the strap 2, the fixing device adopting a double-layer layout with upper and lower layers, a fixing rod 3 disposed in the upper space of the fixing device for fixing the strap 2, a hollow rotating cylinder 4 disposed in the lower space of the fixing device, the strap 2 being connected to the hollow rotating cylinder 4, the hollow rotating cylinder 4 being used for winding the strap 2, a ratchet 5 disposed at one end of the hollow rotating cylinder 4, the fixing device also including a pawl 6 cooperating with the ratchet 5 for limiting the ratchet 5, fixing devices are disposed on both sides of the operating table 1, one end of the strap 2 is fixedly connected to the fixing rod 3, the front half of the strap 2 is placed under the patient, the rear half passes around the patient's side and passes over the patient's body to connect with the hollow rotating cylinder 4, the hollow rotating cylinder 4 winds up the strap 2, the fixing devices on both sides work together to position the patient.

[0024] See Figure 7Fixation devices are installed at the positions corresponding to the patient's waist, legs, and shoulders on the operating table 1. The fixation devices installed on the opposite side of the operating table 1 form a group to work together to fix the patient's body parts. Before use, one end of the strap 2 is fixedly connected to the fixing rod 3, and the other end is laid horizontally on the operating table 1, with the end away from the fixation device it is connected to.

[0025] The fixing device includes a vertical plate 7 connected to the operating table 1 and a horizontal plate 8 fixedly connected between the vertical plates 7. The two vertical plates 7 and the horizontal plate 8 are connected in an I-shape. The horizontal plate 8 divides the space between the vertical plates 7 into an upper space and a lower space. The fixing rod 3 is horizontally set in the upper space and its two ends are fixedly connected to the vertical plates 7 respectively. The hollow rotating cylinder 4 is horizontally set in the lower space and its two ends protrude from the vertical plates 7. The hollow rotating cylinder 4 is rotatably connected to the vertical plates 7. A ratchet 5 is set at the end of the hollow rotating cylinder 4 that protrudes from the vertical plates 7. The outer side of the vertical plate 7 is rotatably connected to a pawl 6 that cooperates with the ratchet 5. The pawl 6 is located above the ratchet 5. The pawl 6 and the ratchet 5 cooperate to make the hollow rotating cylinder 4 rotate in one direction, that is, to unidirectionally roll up the strap 2.

[0026] The hollow rotating drum 4 is hollow inside and has axial openings 9 on its side walls. Two openings 9 are symmetrically arranged about the hollow rotating drum 4. The openings 9 are rectangular in shape, with their length direction aligned with the axial direction of the hollow rotating drum 4. The length of the opening 9 is greater than the width of the strap 2, and the width of the opening 9 is greater than the thickness of the strap 2. The strap 2 passes through the openings 9 sequentially, with its end protruding from the port. Rotating the hollow rotating drum 4 clockwise winds up the strap 2. During winding, the strap 2 is pressed against its end to tighten it. The pawl 6 does not restrict the ratchet 5; when stopped, the pawl 6 engages the ratchet 5.

[0027] One end of the strap 2 is fixedly connected to the fixing rod 3, and the free end is provided with a friction layer to prevent the strap 2 from slipping on the hollow rotating drum 4.

[0028] A rotating handle 10 is provided at the end of the hollow rotating drum 4 away from the ratchet 5. In one embodiment, medical staff can rotate the handle 10 to rewind the strap 2.

[0029] See Figures 4-6 In another embodiment, a reduction motor 11 is installed at the end of the hollow drum 4 away from the ratchet 5. The output shaft of the reduction motor 11 is fixedly connected to the hollow drum 4, and the output shaft of the reduction motor 11 is coaxial with the hollow drum 4. A pressure-sensitive sensor 12 is installed at the contact position between the strap 2 and the human body. The pressure-sensitive sensor 12 is connected to a controller 13, and the controller 13 is connected to the reduction motor 11. The pressure-sensitive sensor 12 transmits electrical information to the controller 13, and the controller 13 controls the start and stop of the reduction motor 11.

[0030] See Figure 8In another embodiment, a fixing device is provided on one side of the operating table 1. One end of the strap 2 is fixedly connected to the fixing rod 3, and the other end extends along the surface of the operating table 1 to the opposite side of the operating table 1, then wraps around the side handle 14 of the operating table 1 and folds back, passing over the patient. The end of the strap 2 is connected to the hollow rotating drum 4. During operation, the hollow rotating drum 4 rewinds to tighten the strap 2. The strap 2 passing over the patient is used to fix the patient. This embodiment has a simpler structure and is more convenient to operate. In this embodiment, the length of the strap 2 is more than twice the width of the operating table 1.

[0031] Working principle: Before the patient lies down on the operating table 1, the strap 2 is laid flat on the operating table 1, with the movable end of the strap 2 away from the connected fixing device. When the patient lies down on the operating table 1, the rear half of the strap 2 goes around the patient's side and over the patient's body to connect with the hollow rotating cylinder 4. The end of the strap 2 passes through the opening 9 of the hollow rotating cylinder 4. The hollow rotating cylinder 4 is rotated clockwise to wind up the strap 2. During the winding process, the strap 2 presses down on the end of the strap 2 to tighten it. The hollow rotating cylinder 4 winds up the strap 2, and the fixing devices on both sides work together to position the patient's body. It is easy to adjust and has a simple structure. The pressure sensor 12 detects the tightness of the strap 2, and the restraint is stable when the patient changes from a supine position to a lateral position.

[0032] In the description of this utility model, it should be understood that the terms "lateral", "length", "width", "thickness", "upper", "lower", "vertical", "clockwise", "counterclockwise", "axial", "radial", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0035] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0036] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A surgical positioning fixation belt for lateral decubitus position, characterized in that, include: The operating table includes a fixation device and straps located on its sides. The fixation device connects to the straps and is used to adjust them. The fixation device has a double-layered layout with upper and lower sections. A fixing rod is installed in the upper space of the fixation device to fix the straps. A hollow rotating cylinder is installed in the lower space of the fixation device to wind up the straps. A ratchet is installed at one end of the hollow rotating cylinder. The fixation device also includes a pawl that cooperates with the ratchet to limit the ratchet. Fixation devices are installed on both sides of the operating table, and the fixation devices on both sides work together to position the patient.

2. The lateral decubitus surgical positioning fixation belt according to claim 1, characterized in that, The fixing device includes a vertical plate connecting the operating table and a horizontal plate fixedly connected between the vertical plates. The two vertical plates and the horizontal plate are connected in an I-shape. The horizontal plate divides the space between the vertical plates into an upper space and a lower space. A fixing rod is horizontally set in the upper space and fixedly connected to the vertical plates at both ends. A hollow rotating cylinder is horizontally set in the lower space and protrudes from the vertical plates at both ends. The hollow rotating cylinder is rotatably connected to the vertical plates. A ratchet is set at the end of the hollow rotating cylinder protruding from the vertical plates. A pawl that cooperates with the ratchet is rotatably connected to the outside of the vertical plates. The pawl is located above the ratchet.

3. The lateral decubitus surgical positioning fixation belt according to claim 1, characterized in that, The hollow rotating cylinder is hollow inside and has axial openings on its side walls. The two openings are symmetrically arranged about the hollow rotating cylinder. The openings are rectangular in shape, and their length direction is the same as the axial direction of the hollow rotating cylinder. The length of the opening is greater than the width of the strap, and the width of the opening is greater than the thickness of the strap.

4. The lateral decubitus surgical positioning fixation belt according to claim 1, characterized in that, One end of the strap is fixedly connected to a fixing rod, and the free end is provided with a friction layer.

5. The lateral decubitus surgical positioning fixation belt according to claim 2, characterized in that, A rotating handle is provided at the end of the hollow rotating cylinder away from the ratchet.

6. The lateral decubitus surgical positioning fixation belt according to claim 2, characterized in that, A geared motor is installed at the end of the hollow drum away from the ratchet. The output shaft of the geared motor is fixedly connected to the hollow drum, and the output shaft of the geared motor is coaxial with the hollow drum.

7. The lateral decubitus surgical positioning fixation belt according to claim 1, characterized in that, A pressure-sensitive sensor is installed at the contact point between the strap and the human body. The pressure-sensitive sensor is connected to a controller, which is connected to a geared motor. The pressure-sensitive sensor transmits electrical information to the controller, which controls the start and stop of the geared motor.