阅读说明：本技术 一种乳腺癌患者放疗组织等效填充物固定装置 (Breast cancer patient radiotherapy tissue equivalent filler fixing device ) 是由 徐雷刚 李友强 张小慧 于 2020-05-29 设计创作，主要内容包括：本发明公开了一种乳腺癌患者放疗组织等效填充物固定装置,包括填充物主体,所述填充物主体的顶部和底部均粘接固定有梯形弹性透气绷带,两个梯形弹性透气绷带相互远离的一侧分别缝制有公魔术贴和母魔术贴,所述填充物主体的前侧粘接固定有两个横可弯折塑料定型条和两个竖可弯折塑料定型条,两个横可弯折塑料定型条位于两个竖可弯折塑料定型条之间。本发明设计合理,便于根据实际需要改变填充物主体的形状,达到能够保证填充物主体与不同人体的生理曲面稳定贴合,提高贴合度,便于调整压带的位置和快速对其固定,且便于调整对压带的压紧固定力,达到能够稳定快速的对填充物主体进行固定并有效防止其发生位移,有利于使用。(The invention discloses a fixing device for radiotherapy tissue equivalent fillers of breast cancer patients, which comprises a filler main body, wherein trapezoidal elastic breathable bandages are fixedly bonded at the top and the bottom of the filler main body, male magic tapes and female magic tapes are sewn at the sides, away from each other, of the two trapezoidal elastic breathable bandages respectively, two transversely bendable plastic shaping strips and two vertically bendable plastic shaping strips are fixedly bonded at the front side of the filler main body, and the two transversely bendable plastic shaping strips are positioned between the two vertically bendable plastic shaping strips. The pressing belt is reasonable in design, the shape of the filler main body can be changed conveniently according to actual needs, the filler main body can be guaranteed to be stably attached to physiological curved surfaces of different human bodies, the attaching degree is improved, the position and the rapid fixing of the pressing belt are convenient to adjust, the pressing fixing force of the pressing belt is convenient to adjust, the filler main body can be stably and rapidly fixed, the displacement of the filler main body is effectively prevented, and the pressing belt is beneficial to use.)

1. The device for fixing the radiotherapy tissue equivalent filler of a breast cancer patient comprises a filler main body (1), wherein trapezoidal elastic breathable bandages (2) are fixedly bonded at the top and the bottom of the filler main body (1), and a male magic tape (7) and a female magic tape (6) are sewn on one sides, away from each other, of the two trapezoidal elastic breathable bandages (2), and is characterized in that two transverse bendable plastic shaping strips (3) and two vertical bendable plastic shaping strips (4) are fixedly bonded at the front side of the filler main body (1), the two transverse bendable plastic shaping strips (3) are positioned between the two vertical bendable plastic shaping strips (4), two short bendable plastic shaping strips (5) are fixedly bonded at the front side of the filler main body (1), and a U-shaped block (8) is fixedly connected on one side, away from each other, of the two vertical bendable plastic shaping strips (4), the two U-shaped blocks (8) positioned on the same side are movably clamped with the same press belt (9), the front side of the trapezoidal elastic breathable bandage (2) is provided with two quick-fixing mechanisms, the two quick-fixing mechanisms positioned on the same side are matched with the corresponding press belt (9), each quick-fixing mechanism comprises a bent rod (10) which is fixedly bonded on the front side of the corresponding trapezoidal elastic breathable bandage (2), the press belt (9) is positioned in the corresponding two bent rods (10), a locking compression rod (11) is arranged in each bent rod (10), the rear side of each locking compression rod (11) is fixedly connected with a plurality of hard plastic bent blocks (18), the tips of the two hard plastic bent blocks (18) in the hard plastic bent blocks (18) positioned on the same locking compression rod (11) are in close contact with the front side of the corresponding press belt (9), the front side of each locking compression rod (11) is rotatably provided with a square rod (12), and the front end of the square rod (12) extends to the front side of the corresponding bent rod (10) and is fixedly connected with a bent handle (13) The square rod (12) is sleeved with a hard plastic screw rod (17) in a sliding mode, the square rod (12) is sleeved with a hard plastic screw rod (17) in a rotating mode, the hard plastic screw rod (17) is sleeved with a pressure regulating rod (15) in a threaded mode, two springs (16) are fixedly connected between the rear side of the pressure regulating rod (15) and the front side of the corresponding locking pressure rod (11), two T-shaped positioning rods (14) are fixedly connected to the front side of the locking pressure rod (11), the pressure regulating rod (15) is sleeved with the corresponding two T-shaped positioning rods (14) in a sliding mode, and the square rod (10) is sleeved with the corresponding two T-shaped positioning rods (14) in a sliding mode.

2. The device for fixing the equivalent filler to the radiotherapy tissue of the breast cancer patient as claimed in claim 1, wherein a square hole (19) is opened at the front end of the hard plastic screw (17), and the inner wall of the square hole (19) is slidably connected with the outer side of the corresponding square rod (12).

3. The device for fixing the equivalent filler to the radiotherapy tissue of the breast cancer patient as claimed in claim 1, wherein a first circular hole is formed in the inner wall of the front side of the rectangular rod (10), a first plastic bearing (20) is fixedly sleeved in the first circular hole, and the inner side of the inner ring of the first plastic bearing (20) is fixedly connected with the outer side of the corresponding hard plastic screw (17).

4. The device for fixing the equivalent filler for radiotherapy tissue of a breast cancer patient as claimed in claim 1, wherein two second round holes are opened on the inner wall of the front side of the clip rod (10), and the side wall of the second round hole is slidably connected with the outer side of the corresponding T-shaped positioning rod (14).

5. The device for fixing the equivalent filler for radiotherapy tissue of a breast cancer patient as claimed in claim 1, wherein two third round holes (21) are opened on the rear side of the pressure-regulating rod (15), and the side wall of each third round hole (21) is slidably connected with the outer side of the corresponding T-shaped positioning rod (14).

6. The device for fixing the equivalent filler to the radiotherapy tissue of the breast cancer patient as claimed in claim 1, wherein the two sides of the hard plastic screw (17) are both fixedly connected with a limiting block (22), and the limiting blocks (22) are located behind the corresponding pressure regulating rods (15).

7. The device for fixing the equivalent filler for radiotherapy tissues of a breast cancer patient as claimed in claim 1, wherein a rotating groove is formed in the front side of the locking compression bar (11), a second plastic bearing (23) is fixedly sleeved in the rotating groove, and the inner side of the inner ring of the second plastic bearing (23) is fixedly bonded with four corners of the outer side of the corresponding square bar (12).

8. The device for fixing tissue equivalent filler for radiotherapy of breast cancer patient according to claim 1, wherein the side of the two bent rods (10) close to each other on the same side is in movable contact with the side of the two transverse bendable plastic shaping bars (3) away from each other.

9. The device for fixing the equivalent filler to the radiotherapy tissue of the breast cancer patient as claimed in claim 1, wherein a threaded hole is formed in the rear side of the pressure regulating rod (15), and the threaded hole is in threaded connection with the corresponding hard plastic screw (17).

Technical Field

The invention relates to the technical field of radiotherapy auxiliary tools, in particular to a fixing device for radiotherapy tissue equivalent fillers of a breast cancer patient.

Background

The tissue equivalent compensator (Bolus) (also called filler) is a special radiotherapy auxiliary article, is quadrangular and generally consists of substances with similar density to human tissues; the most common clinical application of breast wall fillers in radical resection of breast cancer is common, and particularly for locally advanced breast cancer, the breast wall skin and subcutaneous tissues which are easy to have residual cancer cells can obtain higher irradiation dose, so that the effects of killing the residual cancer cells and avoiding unnecessary irradiation on lung and heart large blood vessels are achieved; the common fillers comprise paraffin, vaseline, special silica gel and even pigskin, and the fillers for breast cancer generally use special silica gel;

the publication No. CN103341240B discloses an equivalent filler fixing device for radiotherapy tissues of breast cancer patients, which comprises a filler, a pressing belt, a limiting hole, a clip, a unit element, an air hole, a ladder-shaped canvas, a magic adhesive sheet and a fixing bolt, wherein the air hole is arranged on the ladder-shaped canvas, one end of the pressing belt is connected with the magic sticky sheet, the other end of the pressing belt is provided with a row of unit elements with limiting holes, the two ends of the pressing belt are connected with the clamps, the filler is positioned between the two pieces of ladder-shaped canvas and fixed by the clamps, the gap between the body of the patient and the filler can be better eliminated, the target dose can be improved while the radiation source is tightly attached, the dose distribution of the radiation of the whole field is more uniform, the deviation of the position of an irradiation field of a patient caused by the fact that the patient keeps the irradiation position to move autonomously for a long time is reduced, irradiation is completed smoothly, complex fitting of a physiological curved surface structure is achieved, the whole operation process is simple and easy to implement when the device is used, and the device is suitable for fixing effective fillers such as tissues in radiotherapy of breast cancer patients.

The breast cancer patient radiotherapy tissue equivalent filler fixing device disclosed by the patent still has some inadequacies, its mode of simply pushing down the filler through pressing the area, guarantee filler and skin that can not effectively be stable closely laminate, there is the relatively poor shortcoming of laminating degree, and the filler aversion phenomenon appears easily, (mainly embody when human physiology curved surface position uses, the filler is pressed a bit of radian by pressing the area that can be simple, but its radian hardly adapts to the personnel of different physiology curved surfaces, cause the laminating degree relatively poor and the effect is unsatisfactory), to this phenomenon, therefore we have proposed breast cancer patient radiotherapy tissue equivalent filler fixing device, be used for solving above-mentioned problem.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a fixing device for radiotherapy tissue equivalent fillers of a breast cancer patient.

The invention provides a fixing device of radiotherapy tissue equivalent fillers for breast cancer patients, which comprises a filler main body, wherein trapezoidal elastic breathable bandages are fixedly bonded at the top and the bottom of the filler main body, male magic tapes and female magic tapes are respectively sewn at the sides, far away from each other, of the two trapezoidal elastic breathable bandages, two transverse bendable plastic shaping strips and two vertical bendable plastic shaping strips are fixedly bonded at the front side of the filler main body, the two transverse bendable plastic shaping strips are positioned between the two vertical bendable plastic shaping strips, the two short bendable plastic shaping strips are fixedly bonded at the front side of the filler main body, U-shaped blocks are fixedly connected at the sides, far away from each other, of the two vertical bendable plastic shaping strips, the same press belt is movably clamped in the two U-shaped blocks at the same side, and two quick fixing mechanisms are arranged at the front side of the trapezoidal elastic breathable bandage, two quick-fixing mechanisms positioned on the same side are matched with corresponding press belts, each quick-fixing mechanism comprises a back-shaped rod which is fixedly adhered to the front side of a corresponding trapezoidal elastic breathable bandage, each press belt is positioned in the corresponding two back-shaped rods, a locking pressure rod is arranged in each back-shaped rod, the rear side of each locking pressure rod is fixedly connected with a plurality of hard plastic pointed blocks, the tips of the two hard plastic pointed blocks in the plurality of hard plastic pointed blocks positioned on the same locking pressure rod are in close contact with the front side of the corresponding press belt, a square rod is rotatably installed on the front side of each locking pressure rod, the front end of each square rod extends to the front side of the corresponding back-shaped rod and is fixedly connected with a back-shaped handle, a hard plastic screw rod is slidably sleeved on each square rod, each back-shaped rod is rotatably sleeved on the corresponding hard plastic screw rod, a pressure regulating rod is sleeved on each hard plastic screw rod in a threaded manner, and two springs are fixedly connected between the rear side of, the front side of the locking compression bar is fixedly connected with two T-shaped positioning rods, the pressure regulating rods are slidably sleeved on the two corresponding T-shaped positioning rods, and the clip-shaped rods are slidably sleeved on the two corresponding T-shaped positioning rods.

Preferably, the front end of the hard plastic screw is provided with a square hole, and the inner wall of the square hole is in sliding connection with the outer side of the corresponding square rod.

Preferably, a first round hole is formed in the inner wall of the front side of the clip rod, a first plastic bearing is fixedly sleeved in the first round hole, and the inner side of an inner ring of the first plastic bearing is fixedly connected with the outer side of the corresponding hard plastic screw rod.

Preferably, two second round holes are formed in the inner wall of the front side of the clip rod, and the side walls of the second round holes are in sliding connection with the outer sides of the corresponding T-shaped positioning rods.

Preferably, two third round holes are formed in the rear side of the pressure regulating rod, and the side wall of each third round hole is in sliding connection with the outer side of the corresponding T-shaped positioning rod.

Preferably, the two sides of the hard plastic screw are fixedly connected with limiting blocks, and the limiting blocks are located behind the corresponding pressure regulating rods.

Preferably, a rotating groove is formed in the front side of the locking compression bar, a second plastic bearing is fixedly sleeved in the rotating groove, and the inner side of an inner ring of the second plastic bearing is fixedly bonded with four edges of the outer side of the corresponding square bar.

Preferably, the side, close to each other, of the two clip-shaped bars on the same side is in movable contact with the side, far away from each other, of the two transversely bendable plastic shaping strips.

Preferably, the rear side of the pressure regulating rod is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding hard plastic screw.

Compared with the prior art, the invention has the beneficial effects that:

by matching the vertically bendable plastic shaping strip, the horizontally bendable plastic shaping strip, the short bendable plastic shaping strip, the filler main body, the square rod, the locking pressure rod, the T-shaped positioning rod, the spring, the hard plastic sharp block, the press belt and the U-shaped block, the two vertically bendable plastic shaping strips, the two horizontally bendable plastic shaping strips and the four short bendable plastic shaping strips are bent into different shapes to change the shape of the filler main body according to actual needs, adapt to different physiological curves and radians of a human body, attach the rear side of the bent filler main body to the physiological curve of the human body, pull the square rod forwards to drive the square rod to move forwards by pulling the back-shaped handle, drive the T-shaped positioning rod to move forwards by the square rod through the corresponding locking pressure rod and compress the spring, drive the corresponding sharp block to move forwards by the locking pressure rod to separate from the press belt, at the moment, pull the press belt up and down or move the press belt left and right, aligning the pressing belt with the two corresponding U-shaped blocks, then downwards clamping the pressing belt into the two corresponding U-shaped blocks, releasing the tension on the clip-shaped handle, and at the moment, resetting the spring in a compressed state and driving the hard plastic sharp blocks to be tightly pressed on the front side of the pressing belt through the corresponding locking pressing rods;

through the matching of the spring, the pressing belt, the clip handle, the square rod, the square hole, the hard plastic screw rod, the pressure regulating rod, the T-shaped positioning rod, the locking pressure rod and the hard plastic sharp block, when the spring is weakened in elastic fatigue elasticity or cannot stably press and lock the pressing belt for a long time, the clip handle is rotated in the forward direction to drive the corresponding square rod to rotate, the square rod drives the hard plastic screw rod to rotate through the corresponding square hole, the hard plastic screw rod can drive the corresponding pressure regulating rod to slide backwards on the two T-shaped positioning rods and compress the spring, so that the initial state of the spring is changed into a compressed or semi-compressed state, the backward tightening elasticity of the spring in the compressed state to the corresponding locking pressure rod is obviously increased, the compression degree of the spring can be adjusted to achieve the adjustment of the locking pressure to the pressing belt, the stable locking pressure is achieved, when the pressing belt is fixed on a human body, the two trapezoidal elastic breathable bandages are directly tightened and wound on the, then the male magic tape and the female magic tape are bonded to complete the fixation.

The pressing belt is reasonable in design, the shape of the filler main body can be changed conveniently according to actual needs, the filler main body can be guaranteed to be stably attached to physiological curved surfaces of different human bodies, the attaching degree is improved, the position and the rapid fixing of the pressing belt are convenient to adjust, the pressing fixing force of the pressing belt is convenient to adjust, the filler main body can be stably and rapidly fixed, the displacement of the filler main body is effectively prevented, and the pressing belt is beneficial to use.

Drawings

FIG. 1 is a schematic structural diagram of a fixing device for a radiotherapy tissue equivalent filler of a breast cancer patient according to the present invention;

FIG. 2 is a schematic top view of a fastening mechanism of the equivalent filler fixing device for radiotherapy tissue of a breast cancer patient according to the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a schematic perspective view of a U-shaped block of the fixing device for equivalent filler in radiotherapy tissue of a breast cancer patient according to the present invention;

fig. 5 is a schematic perspective view of a square bar of a fixing device for a radiotherapy tissue equivalent filler of a breast cancer patient according to the present invention.

In the figure: 1 filler main part, 2 trapezoidal elasticity bandage of breathing freely, 3 horizontal bendable plastics sizing bars, 4 vertical bendable plastics sizing bars, 5 short bendable plastics sizing bars, 6 female magic subsides, 7 public magic subsides, 8U-shaped piece, 9 press belts, 10 time shape poles, 11 locking depression bars, 12 square poles, 13 time shape handles, 14T shape locating lever, 15 pressure regulating pole, 16 springs, 17 hard plastics screw rod, 18 hard plastics point piece, 19 square holes, 20 first plastic bearing, 21 third round hole, 22 stopper, 23 second plastic bearing.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.