CN113230012B

CN113230012B - Limb restraint device for tumor radiotherapy

Info

Publication number: CN113230012B
Application number: CN202110688183.0A
Authority: CN
Inventors: 李敬霞; 穆双锋; 刘艳
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: First Affiliated Hospital of Henan University of Science and Technology
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2023-02-24
Anticipated expiration: 2041-06-21
Also published as: CN113230012A

Abstract

The invention discloses a limb restraint device for tumor radiotherapy, which comprises a connecting frame, a restraining ring body, a cylinder body, a rod body, springs and the like, wherein the limb of a patient restrained by the limb restraint device can overcome the elasticity of the springs to make small and variable movements, and the restraining ring body can make movements in a certain range in the left and right directions of the connecting frame, so that a distal joint of the restrained limb can also move.

Description

Limb restraint device for tumor radiotherapy

Technical Field

The invention relates to the field of limb restraint devices, in particular to a limb restraint device for tumor radiotherapy.

Background

Tumor radiotherapy is a local treatment method for treating tumors by utilizing radiation irradiation, when a patient receives radiotherapy, a doctor needs to position the patient in a proper posture according to a treatment part, the proper posture needs to be consciously maintained by the patient, but the whole treatment time sometimes can be as long as more than ten minutes according to different patient conditions, and some patients often cannot maintain the posture well due to personal physique factors, body control force factors and the like, so that some prior art can use a restraint belt and a clamping structure to fixedly restrain the limbs of the patient, but the restraint equipment can ensure that the limbs of the patient are fixed, so that the limb restraint for a long time can cause ischemic anesthesia and muscle stiffness and soreness, and additional discomfort is brought to the patient.

Disclosure of Invention

The invention provides a limb restraint device for tumor radiotherapy, which can properly increase the movement range of limbs on the premise of ensuring that the movement range of the limbs does not influence the radiotherapy process, and avoid ischemia and numbness and muscle stiffness and ache caused by long-time restraint of the limbs.

Therefore, the invention provides a limb restraint device for tumor radiotherapy, which comprises:

the connecting frame is provided with a first sliding rail along the left and right directions;

the outer side surface of the constraint ring body is connected with a sliding block, and the sliding block is connected in the first sliding rail in a sliding manner;

a plurality of about pole in a flexible way all evenly lays in the interior secondary side of retraining the ring body around the circumference of retraining the ring body, each about pole in a flexible way all includes: the bottom of the cylinder body is fixedly connected to the inner side surface of the constraint ring body, and the upper part of the cylinder body is open; the rod body is connected in the barrel body in a sliding manner, and a limiting part is connected to the rod body and used for preventing the rod body from falling out of the barrel body; the spring is connected between the bottom surface of the inner side of the cylinder body and the bottom end of the rod body.

The confinement ring body comprises: the flexible restraint rods are arranged on the inner side surface of the main ring body; the ball bearing comprises an inner ring and an outer ring, the inner ring is fixedly sleeved on the outer side face of the main ring body, and the sliding block is fixedly connected to the outer side face of the outer ring.

Each flexible restraint rod further comprises: the head air bag is arranged at the top end of the rod body, and rough textures are arranged on the surface of the head air bag.

The connecting frame comprises an outer frame body and an inner frame body, wherein a second sliding rail is arranged on the outer frame body along the left-right direction, the inner frame body is connected in the second sliding rail in a sliding mode, a first locking mechanism is arranged between the inner frame body and the second sliding rail and used for locking the relative position between the inner frame body and the outer frame body, and the first sliding rail is arranged on the outer frame body and the inner frame body simultaneously.

The outer frame body is fixedly connected with a hoop, the hoop is provided with fastening screws, the inner frame body penetrates through the hoop, and the hoop and the fastening screws are used as a first locking mechanism to lock the relative position between the inner frame body and the outer frame body.

Each rod body comprises a first branch rod and a second branch rod, the first branch rod is hinged to the second branch rod, a second locking mechanism is arranged between the first branch rod and the second branch rod and used for locking the first branch rod and the second branch rod on the same straight line, and the head air bag is arranged at the top end of the first branch rod.

Each flexible restraint rod further comprises: the cylindrical air bag is arranged in the rod body and communicated with the head air bag, penetrates into the first branch rod and the second branch rod simultaneously and is used as a second locking mechanism to lock the first branch rod and the second branch rod on the same straight line; and the gas valve is arranged on the cylindrical air bag and penetrates out of the side surface of the second branch rod, and is used for inflating or deflating the cylindrical air bag and the head air bag.

Further comprising: each gas valve is an electric valve, a control switch and a power supply module are arranged on the constraint ring body, and each gas valve is electrically connected with the control switch and the power supply module and used for controlling each gas valve.

The invention has the beneficial effects that:

the invention provides a tumor radiotherapy limb restraint device which is provided with a plurality of telescopic flexible restraint rods, wherein the restrained limb of a patient can overcome the elasticity of each spring to make activities with small amplitude and changeable directions, and meanwhile, a restraint ring body can make activities within a certain range in the left and right directions of a connecting frame, so that the distal joint of the restrained limb can also move; the above arrangement can ensure that the range of motion of the limb does not influence the radiotherapy process, properly increase the range of motion of the limb, and avoid the limb from being restrained for a long time to cause ischemic numbness and muscle stiffness and soreness.

Drawings

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a front sectional view of a flexible restraining bar according to the present invention.

Description of the reference numerals:

1. a connecting frame; 1-1, an outer frame body; 1-2, an inner frame body; 2. a slider; 3. a cylinder body; 4. a rod body; 4-1, a first branch rod; 4-2, a second branch rod; 5. a spring; 6. a constraining ring body; 6-1, a main ring body; 6-2, ball bearings; 7. a head airbag; 8. hooping; 9. a cylindrical air bag; 10. and a gas valve.

Detailed Description

One embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the invention is not limited to the embodiment.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a limb restraint for radiotherapy of tumor comprises: the device comprises a connecting frame 1, a constraint ring body 6 and a plurality of flexible constraint rods, wherein a first sliding rail is arranged on the inner side surface of the connecting frame 1 along the left-right direction; the outer side surface of the constraint ring body 6 is connected with a sliding block 2, and the sliding block 2 is connected in a first sliding rail in a sliding manner; a plurality of about in a flexible way pole all evenly distributes in the interior secondary face of retraining ring body 6 around the circumference of retraining ring body 6, each about in a flexible way pole all includes: the device comprises a barrel 3, a rod body 4 and a spring 5, wherein the bottom of the barrel 3 is fixedly connected to the inner side surface of a constraint ring body 6, and the upper part of the barrel 3 is open; the rod body 4 is connected in the barrel 3 in a sliding manner, and the rod body 4 is connected with a limiting part and used for preventing the rod body 4 from being separated from the barrel 3; spring 5, connect between the inboard bottom surface of barrel 3 and the bottom of the body of rod 4, be used for providing the body of rod 4 and push out the elasticity of barrel 3 with it, the user need the limbs that retrains the ring body center and all push down the limbs that retrain to the thrust effect of spring 5 of each body of rod 4 in, thereby with limbs restraint and restraint in the ring body 6, but because each body of rod 4 all sliding connection is in barrel 3, and be connected with the spring between the two, consequently the limbs that the patient retrained can overcome the elasticity of each spring 5 and make some less and changeable activities of orientation of range, it leads to lacking blood and send out numb and muscle stiffness and ache to avoid limbs to be retrained for a long time, sufficient restraint effect has been guaranteed simultaneously, and the setting of first slide rail and slider 2, can let restraint the ring body 6 make the activity of certain scope in the left and right directions, thereby also can make the distal end joint of the limbs of restraint obtain the activity, and suitable movable range can not make the limbs influence process of radiotherapy, movable range passes through the length decision of first slide rail.

Further, the confinement ring 6 comprises: the main ring body 6-1, each flexible restraint rod is arranged on the inner side surface of the main ring body 6-1; the ball bearing 6-2 comprises an inner ring and an outer ring, the inner ring is fixedly sleeved on the outer side face of the main ring body 6-1, and the outer side face of the outer ring is fixedly connected with the sliding block 2, so that the main ring body 6-1 can rotate freely while the sliding block 2 is kept in the first sliding rail, and a condition of rotation activity is provided for a constrained limb.

Further, each flexible restraining bar further comprises: head gasbag 7 locates the top of the body of rod 4 for squeeze and live patient's limbs and retrain, simultaneously because head gasbag 7 has elasticity, compare with the rigid material contact, reduced the oppression power to the limbs, avoid the limbs to be restrained the oppression for a long time and produce the condition that ischemia sends out the numb, just head gasbag 7 surface is equipped with rough texture, has increased the frictional force between limbs and each head gasbag, avoids the limbs to deviate from restraint ring body 6.

Further, the connecting frame 1 comprises an outer frame body 1-1 and an inner frame body 1-2, a second sliding rail is arranged on the outer frame body 1-1 along the left-right direction, the inner frame body 1-2 is connected in the second sliding rail in a sliding mode, a first locking mechanism is arranged between the inner frame body 1-2 and the second sliding rail and used for locking the relative position between the inner frame body 1-2 and the outer frame body 1-1, the first sliding rail is arranged on the outer frame body 1-1 and the inner frame body 1-2 simultaneously and used for enabling the total length of the connecting frame 1 to be changed according to requirements, and therefore the length of the first sliding rail is changed to enable the moving range of the restraining ring body 6 to be changed to meet the requirements of limb activities of different body positions, on the premise that the moving range of the limbs does not influence the radiotherapy process, the moving range of the limbs is properly increased, and the radiotherapy is more comfortable for a patient in the process.

Furthermore, the outer frame 1-1 is fixedly connected with a hoop 8, the hoop 8 is provided with a fastening screw, the inner frame 1-2 penetrates through the hoop 8, and the hoop 8 and the fastening screw are used as a first locking mechanism to lock the relative position between the inner frame 1-2 and the outer frame 1-1.

Furthermore, each rod body 4 comprises a first branch rod 4-1 and a second branch rod 4-2, the first branch rod 4-1 is hinged to the second branch rod 4-2, a second locking mechanism is arranged between the first branch rod 4-1 and the second branch rod 4-2 and used for locking the first branch rod 4-1 and the second branch rod 4-2 on the same straight line, the head airbag 7 is arranged at the top end of the first branch rod 4-1, and when a patient puts a limb in and out of the restraint ring body, the patient only needs to unlock the second locking mechanism to enable the first branch rod 4-1 to rotate around the top end of the second branch rod 4-2 and fall down, so that enough space is provided for the limb to get in and out of the restraint ring body 6.

Further, each flexible restraining bar further comprises: the cylindrical air bag 9 is arranged in the rod body 4 and communicated with the head air bag 7, the cylindrical air bag 9 penetrates into the first branch rod 4-1 and the second branch rod 4-2 simultaneously, when the cylindrical air bag 9 and the head air bag 7 are inflated, the cylindrical air bag 9 can stand up and have certain strength, so that the first branch rod 4-1 and the second branch rod 4-2 are ensured to be positioned on the same straight line and used as a second locking mechanism, and after the cylindrical air bag 9 is deflated, a flexible air bag material cannot support the first branch rod 4-1 and the second branch rod 4-2 to be positioned on the same straight line, so that unlocking of the second locking mechanism is realized; and the gas valve 10 is arranged on the cylindrical air bag 9 and penetrates out of the side surface of the second branch rod 4-2, and is used for inflating or deflating the cylindrical air bag 9 and the head air bag 7.

Further, still include: each gas valve 10 is an electric valve, and the constraint ring body 6 is provided with a control switch and a power module, and each gas valve 10 is electrically connected with the control switch and the power module for controlling each gas valve 10.

The use method of the invention comprises the following steps:

when the limb restraint device for tumor radiotherapy is used, a patient to-be-restrained limb is placed in the central part of the restraint ring 6, then the cylindrical air bag 9 and the head air bag 7 are inflated, the cylindrical air bag 9 can stand up and have certain strength, so that the first branch rod 4-1 and the second branch rod 4-2 are ensured to be in the same straight line, all flexible restraint rods simultaneously press to the restrained limb, and because all rod bodies 4 are connected in the cylinder body 3 in a sliding manner and springs are connected between the rod bodies and the cylinder body, the restrained limb of the patient can overcome the elasticity of all springs 5 to move in small amplitude and variable directions, meanwhile, the arrangement of the first slide rail and the slide block 2 can enable the restraint ring body 6 to move in a certain range in the left-right direction, so that the far-end joint of the restrained limb can also move, and because the ball bearing 6-1 is arranged, the main body 6-1 can rotate freely, so that the condition of rotary movement is provided for the restrained limb; the device can ensure that the range of motion of the limbs does not influence the radiotherapy process, properly increase the range of motion of the limbs and avoid ischemia and numbness and muscle stiffness and ache caused by long-time constraint of the limbs.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any modifications that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. A limb restraint for tumor radiotherapy, comprising:

the connecting frame (1) is provided with a first sliding rail along the left and right directions;

the outer side surface of the constraint ring body (6) is connected with a sliding block (2), and the sliding block (2) is connected in the first sliding rail in a sliding manner;

a plurality of about pole in a flexible way all evenly lays in the interior secondary side of retraining ring body (6) around the circumference of retraining ring body (6), each about pole in a flexible way all includes: the bottom of the cylinder body (3) is fixedly connected to the inner side surface of the constraint ring body (6), and the upper part of the cylinder body (3) is open; the rod body (4) is connected in the barrel body (3) in a sliding mode, and a limiting part is connected to the rod body (4) and used for preventing the rod body (4) from being separated from the barrel body (3); the spring (5) is connected between the bottom surface of the inner side of the cylinder body (3) and the bottom end of the rod body (4);

each flexible restraint rod further comprises: the head air bag (7) is arranged at the top end of the rod body (4), and the surface of the head air bag (7) is provided with rough textures;

each rod body (4) comprises a first branch rod (4-1) and a second branch rod (4-2), the first branch rod (4-1) is hinged to the second branch rod (4-2), a second locking mechanism is arranged between the first branch rod and the second branch rod and used for locking the first branch rod (4-1) and the second branch rod (4-2) on the same straight line, and the head airbag (7) is arranged at the top end of the first branch rod (4-1);

each flexible restraint rod further comprises: the cylindrical air bag (9) is arranged in the rod body (4) and communicated with the head air bag (7), and the cylindrical air bag (9) penetrates into the first branch rod (4-1) and the second branch rod (4-2) simultaneously and is used as a second locking mechanism to lock the first branch rod (4-1) and the second branch rod (4-2) on the same straight line; and the gas valve (10) is arranged on the cylindrical air bag (9), penetrates out of the side surface of the second branch rod (4-2) and is used for inflating or deflating the cylindrical air bag (9) and the head air bag (7).

2. A limb restraint for radiotherapy of tumors according to claim 1, characterized in that said restraint ring (6) comprises: the main ring body (6-1), each flexible restraint rod is arranged on the inner side surface of the main ring body (6-1); the ball bearing (6-2) comprises an inner ring and an outer ring, the inner ring is fixedly sleeved on the outer side face of the main ring body (6-1), and the sliding block (2) is fixedly connected to the outer side face of the outer ring.

3. The limb restraint device for tumor radiotherapy according to claim 1, wherein the connecting frame (1) comprises an outer frame body (1-1) and an inner frame body (1-2), the outer frame body (1-1) is provided with a second sliding track along the left-right direction, the inner frame body (1-2) is slidably connected in the second sliding track, a first locking mechanism is arranged between the inner frame body and the second sliding track for locking the relative position between the inner frame body (1-2) and the outer frame body (1-1), and the first sliding track is simultaneously provided on the outer frame body (1-1) and the inner frame body (1-2).

4. The limb restraint device for tumor radiotherapy of claim 3, wherein the outer frame body (1-1) is fixedly connected with a hoop (8), the hoop (8) is provided with fastening screws, the inner frame body (1-2) passes through the hoop (8), and the hoop (8) and the fastening screws are used as a first locking mechanism to lock the relative position between the inner frame body (1-2) and the outer frame body (1-1).

5. The limb restraint for radiotherapy of tumors of claim 1, further comprising: each gas valve (10) is an electric valve, a control switch and a power supply module are arranged on the constraint ring body (6), and each gas valve (10) is electrically connected with the control switch and the power supply module and used for controlling each gas valve (10).