CN215231673U

CN215231673U - Lower limb body position fixing tool during radiotherapy

Info

Publication number: CN215231673U
Application number: CN202121108466.5U
Authority: CN
Inventors: 林锋; 吴丽; 曾自力; 刘金娥; 谭勇; 唐海榕; 张若蓉
Original assignee: Liuzhou Municipal Liutie Central Hospital
Current assignee: Liuzhou Municipal Liutie Central Hospital
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-21
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a radiotherapy appurtenance field, in particular to fixed apparatus in limbs position down during radiotherapy. The utility model discloses an apparatus includes first base plate, second base plate, first pivot, second pivot, first pivot divide into two axle pieces, the axle piece distributes in both sides of first base plate upper end, the axle piece is the cake form, the disc of axle piece is parallel with the side of first base plate and on a plane, the second pivot sets up on second base plate up end, first pivot and second pivot are with the axle center and coincide, the length sum of first pivot and second pivot is unanimous with the width of first base plate or second base plate; an angle limiting structure is further arranged in the first rotating shaft and the second rotating shaft; the first substrate and the second substrate are provided with length adjusting structures; the widths of the first substrate and the second substrate are the same; the utility model discloses a mode of adjusting knee joint height and angle adjusts the position of low limbs, makes things convenient for going on of radiotherapy, is worth promoting.

Description

Lower limb body position fixing tool during radiotherapy

Technical Field

The utility model relates to a radiotherapy appurtenance field, in particular to fixed apparatus in limbs position down during radiotherapy.

Background

The incidence of malignant tumors in China is on the rising trend year by year, and the malignant tumors become the first fatal diseases and seriously harm the health and life of people. Radiotherapy (abbreviated as radiotherapy) is one of the important means for treating cancer, and about 80% of cancer patients need to receive radiotherapy. In recent years, radiotherapy techniques and devices in China are continuously advanced, and accurate radiotherapy techniques such as stereotactic radiotherapy, three-dimensional conformal radiotherapy, intensity modulated radiotherapy and the like are widely used clinically. The application of the precise radiotherapy technology obviously improves the tumor radiotherapy local control rate and survival rate, obviously reduces the radiotherapy adverse reaction and complication and obviously improves the survival quality of patients. Radiotherapy matters in China have comprehensively entered the precise radiotherapy era, are adapted to radiotherapy technical equipment which is rapidly developed, and not only are radiotherapy doctors required to accurately delineate radiotherapy target areas, but also radiotherapy technicians are required to reduce positioning errors as much as possible in the radiotherapy positioning process. The comfort of the patient during radiotherapy is one of the reasons for the positioning error. When patients with inconvenient legs and feet are treated by radiotherapy or patients who treat lower limbs of the patients need to carry out comfortable fixation on the lower limbs. The fixed needs certain position of low limbs just can reach the best radiotherapy effect, consequently need let the patient keep certain position, mainly adjusts the height and the angle of knee joint, and the hospital is mostly with bed hedgehopping knee joint height such as pillows, but the relative foot of pillow is soft, can have following several shortcomings: 1. the height of the pillow required by patients with different disease conditions is different from the angle of the knee joint required to bend, so that the height and the size of the pillow are different, and the pillow with the proper shape and size is difficult to find; 2. the pillow is poorly attached to the legs of the patient, so that the legs of the patient are stressed more intensively, and the discomfort of the legs of the patient is easily caused; 3. the pillow is too soft, does not have special limit structure, and patient's knee joint is in the process of bed hedgehopping shank easily slips off the pillow.

Therefore, a tool which is more suitable for adjusting the posture of the lower limbs and is convenient for the patient to operate or can be quickly operated by medical staff is needed to be found.

SUMMERY OF THE UTILITY MODEL

In view of above-mentioned content, it is necessary to provide a low limbs position fixing appliance during radiotherapy, the utility model discloses a mode of adjusting knee joint height and angle is adjusted the position of low limbs, makes things convenient for going on of radiotherapy, is worth promoting.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a lower limb body position fixing tool during radiotherapy comprises a first substrate, a second substrate, a first rotating shaft and a second rotating shaft, wherein the first rotating shaft is divided into two shaft blocks, the shaft blocks are distributed on two sides of the upper end of the first substrate and are in a round cake shape, the round surfaces of the shaft blocks are parallel to the side edge of the first substrate and are on the same plane, the second rotating shaft is arranged on the upper end surface of the second substrate, the first rotating shaft and the second rotating shaft are coaxial and are matched, and the sum of the lengths of the first rotating shaft and the second rotating shaft is consistent with the width of the first substrate or the second substrate; an angle limiting structure is further arranged in the first rotating shaft and the second rotating shaft; the first substrate and the second substrate are provided with length adjusting structures; the widths of the first substrate and the second substrate are the same;

the adjustment structure includes: the sliding groove, the adjusting rod, the sliding block, the first spring and the positioning pin are arranged on the sliding groove; one end of the positioning pin is vertically fixed in the center of the sliding block, the other end of the positioning pin is vertically clamped in the adjusting rod, and the positioning pin can freely slide in the adjusting rod; the bottom of the sliding chute is in an equidistant insection shape, a first spring is further arranged between the adjusting rod and the sliding block, the first spring is sleeved outside the positioning pin, one end of the first spring is fixed on the sliding block, the other end of the first spring is fixed on the adjusting rod, and the first spring is in a stretching state; the surface of the sliding block corresponding to the bottom of the sliding chute is in a insection shape and is matched with the insection shape of the bottom of the sliding chute;

the angle limiting structure comprises a limiting groove, a second spring, a limiting ball, a limiting hole and a shaft block; the limiting hole is formed in the round face of the shaft block connected with the first substrate and is matched with the limiting ball, a limiting groove is formed in the position corresponding to the limiting hole, the limiting groove is a counter bore and is arranged in the end face corresponding to the second rotating shaft and the shaft block, the limiting ball is arranged in the limiting groove, the end face of the second rotating shaft is tightly attached to the limiting ball, part of the end face of the second rotating shaft is exposed outside the limiting groove, a second spring is arranged between the limiting ball and the bottom of the limiting groove, and the second spring is in a compression state.

Further, the first spring is sleeved outside the positioning pin, and the positioning pin can slide relative to the first spring.

Further, spacing pearl surpasss the outer volume of spacing groove side and is not more than half of spacing pearl volume.

Further, the width of insection is no more than 1.0 cm.

Furthermore, the two side edges of the first base plate and the second base plate of the utility model are provided with a plurality of binding bands; the length of bandage is not less than four times of first base plate width, just the bandage is female magic subsides towards the positive one side of first base plate or second base plate, deviates from the positive one side of first base plate or second base plate is public magic subsides.

Further, it is equipped with the gyro wheel to adjust the pole bottom, the central pivot of gyro wheel is perpendicular and parallel with the width direction of first base plate or second base plate with adjusting the pole.

The utility model discloses following beneficial effect has:

1. by adopting the structure, the legs of the patient can be well fixed on the first base plate and the second base plate, the patient can automatically rotate the included angle between the first base plate and the second base plate, the lengths of the first base plate and the second base plate are convenient to adjust, the adjusting rod can be driven to move up and down by directly pulling the sliding block to slide up and down, and the leg adjusting device is suitable for patients with different illness states and different leg lengths; in addition, the bottom end of the adjusting rod is also provided with a roller which can freely move on the sickbed.

2. The utility model discloses a slider can freely slide in the spout, and adopts the structure of insection form to can reach the function of auto-lock through first spring, guarantee to adjust required height. In addition, the one side of the bandage that adopts is pasted with public magic and is pasted with female magic simultaneously, can reach the effect of binding the shank fast.

3. The utility model discloses an adjust the pole and have the requirement to the side direction of leg to needs, also can adjust its length alone, make whole fixing appliance be partial to one side.

Drawings

Fig. 1 is a schematic view of the base plate structure of the lower limb posture fixing tool for radiotherapy.

Fig. 2 is a schematic view of the three-dimensional effect structure of the lower limb posture fixing tool for radiotherapy.

Fig. 3 is a left side view of the main body of the lower limb fixing tool in radiotherapy.

Fig. 4 is a schematic structural view of a portion a in fig. 3.

Fig. 5 is a schematic view of the height adjusting structure of the present invention.

Fig. 6 is a schematic structural diagram of the part B in the present invention.

Description of the main elements

In the figure, 1, a first substrate; 2. a second substrate; 3. a first rotating shaft; 4. a second rotating shaft; 5. a chute; 6. a slider; 7. binding bands; 8. adjusting a rod; 9. a roller; 10. positioning pins; 11. a first spring; 81. a shaft block; 121. a limiting hole; 122. a limiting bead; 123. a second spring; 124. a limiting groove.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

Referring to fig. 1 to 4, in a preferred embodiment of the present invention, a lower limb posture fixing device for radiotherapy comprises a first substrate, a second substrate, a first rotating shaft and a second rotating shaft, wherein the first rotating shaft is divided into two shaft blocks, the shaft blocks are distributed on two sides of the upper end of the first substrate, the shaft blocks are in a circular cake shape, the circular surface of the shaft block is parallel to the side edge of the first substrate and is on the same plane, the second rotating shaft is arranged on the upper end surface of the second substrate, the first rotating shaft and the second rotating shaft are coaxial and matched, and the sum of the lengths of the first rotating shaft and the second rotating shaft is consistent with the width of the first substrate or the second substrate; an angle limiting structure is further arranged in the first rotating shaft and the second rotating shaft; the first substrate and the second substrate are provided with length adjusting structures; the widths of the first substrate and the second substrate are the same;

referring to fig. 5 and 6, the adjusting structure includes: the sliding groove, the adjusting rod, the sliding block, the first spring and the positioning pin are arranged on the sliding groove; one end of the positioning pin is vertically fixed in the center of the sliding block, the other end of the positioning pin is vertically clamped in the adjusting rod, and the positioning pin can freely slide in the adjusting rod; the bottom of the sliding chute is in an equidistant insection shape, a first spring is further arranged between the adjusting rod and the sliding block, the first spring is sleeved outside the positioning pin, one end of the first spring is fixed on the sliding block, the other end of the first spring is fixed on the adjusting rod, and the first spring is in a stretching state; the surface of the sliding block corresponding to the bottom of the sliding chute is in a insection shape and is matched with the insection shape of the bottom of the sliding chute; the legs of the patient can be well fixed on the first base plate and the second base plate, the patient can automatically rotate the included angle between the first base plate and the second base plate, the lengths of the first base plate and the second base plate are convenient to adjust, the adjusting rod can be driven to move up and down by directly pulling the sliding block to slide up and down, and the leg adjusting device is suitable for patients with different illness states and different leg lengths; in addition, the bottom end of the adjusting rod is also provided with a roller which can freely move on the sickbed.

Referring to fig. 3 and 4, the angle limiting structure includes a limiting groove, a second spring, a limiting ball, a limiting hole, and a shaft block; the limiting hole is formed in the round face of the shaft block connected with the first substrate and is matched with the limiting ball, a limiting groove is formed in the position corresponding to the limiting hole, the limiting groove is a counter bore and is arranged in the end face corresponding to the second rotating shaft and the shaft block, the limiting ball is arranged in the limiting groove, the end face of the second rotating shaft is tightly attached to the limiting ball, part of the end face of the second rotating shaft is exposed outside the limiting groove, a second spring is arranged between the limiting ball and the bottom of the limiting groove, and the second spring is in a compression state. The slider can freely slide in the spout, and adopts the structure of insection form to can reach the function of auto-lock through first spring, guarantee to adjust required height. In addition, the one side of the bandage that adopts is pasted with public magic and is pasted with female magic simultaneously, can reach the effect of binding the shank fast.

Referring to fig. 6, the first spring of the present invention is sleeved outside the positioning pin, and the first spring and the positioning pin can slide relative to the first spring. When the adjusting rod needs to be slid, the sliding block is pulled up, the first spring is stretched, then the sliding block is moved, the sliding block drives the positioning pin to move relative to the second spring, and the positioning pin cannot be separated from the adjusting rod.

Referring to fig. 4, the volume of the limiting bead beyond the side of the limiting groove of the present invention is not more than half of the volume of the limiting bead.

The utility model discloses through optimizing, the width of insection form is no longer than 1.0 cm. The insection width is too big, and the range of regulation is too big, and the patient is uncomfortable, and insection width is too little, adjusts too little again, consequently sets up suitable width, plays fine effect to patient's comfort.

Referring to fig. 2, the two side edges of the first substrate and the second substrate of the present invention are provided with a plurality of straps; the length of bandage is not less than four times of first base plate width, just the bandage is female magic subsides towards the positive one side of first base plate or second base plate, deviates from the positive one side of first base plate or second base plate is public magic subsides. When the leg is bound, the binding band can be wound around the leg part for one circle and then wound around the back surface of the first base plate or the second base plate and then returned to the front surface to be adhered to the binding band body, and the fixing effect is achieved.

Referring to fig. 2, 3 and 5, the bottom end of the adjusting rod of the present invention is provided with a roller, and a central rotation axis of the roller is perpendicular to the adjusting rod and parallel to the width direction of the first substrate or the second substrate. By adopting the roller, the patient can properly adjust the position of the leg without moving the fixing tool of the leg by the medical staff, thereby saving the labor. When the roller moves to a certain position, the roller needs to be set to rotate in a single direction of a flywheel structure, namely, the roller connected with the adjusting rod in the first substrate rotates anticlockwise, and the roller connected with the adjusting rod in the second substrate rotates clockwise; if the two substrates rotate reversely, self locking is realized, and the two rollers cannot rotate simultaneously, so that the first substrate needs to be tilted to roll by the roller under the second substrate to move the position, or the second substrate needs to be tilted to roll by the roller under the first substrate to move the position; so that the self-locking function can be achieved.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A lower limb body position fixing tool during radiotherapy comprises a first substrate, a second substrate, a first rotating shaft and a second rotating shaft, and is characterized in that the first rotating shaft is divided into two shaft blocks, the shaft blocks are distributed on two sides of the upper end of the first substrate, the shaft blocks are in a round cake shape, the round surfaces of the shaft blocks are parallel to the side edges of the first substrate and are positioned on the same plane, the second rotating shaft is arranged on the upper end surface of the second substrate, the first rotating shaft and the second rotating shaft are coaxial and are matched, and the sum of the lengths of the first rotating shaft and the second rotating shaft is consistent with the width of the first substrate or the second substrate; an angle limiting structure is further arranged in the first rotating shaft and the second rotating shaft; the first substrate and the second substrate are provided with length adjusting structures; the widths of the first substrate and the second substrate are the same;

2. The apparatus as claimed in claim 1, wherein the first spring is sleeved on the positioning pin and can slide relative to the first spring.

3. The apparatus of claim 1, wherein the volume of the limiting bead beyond the side of the limiting groove is not more than half of the volume of the limiting bead.

4. The lower limb posture fixation appliance for radiotherapy as claimed in claim 1, wherein the width of the insection is not more than 1.0 cm.

5. The apparatus for positioning lower limbs during radiotherapy as claimed in claim 1, wherein the first and second base plates have a plurality of straps at their two side edges; the length of bandage is not less than four times of first base plate width, just the bandage is female magic subsides towards the positive one side of first base plate or second base plate, deviates from the positive one side of first base plate or second base plate is public magic subsides.

6. The apparatus as claimed in claim 1, wherein a roller is disposed at the bottom of the adjusting rod, and the central axis of the roller is perpendicular to the adjusting rod and parallel to the width direction of the first or second substrate.