CN210992631U

CN210992631U - Adjustable leg fixing device for lower limb radiotherapy

Info

Publication number: CN210992631U
Application number: CN201921911775.9U
Authority: CN
Inventors: 聂斌
Original assignee: Changzhou Second Peoples Hospital
Current assignee: Changzhou Second Peoples Hospital
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-14
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to the technical field of fixing devices, in particular to an adjustable leg fixing device for lower limb radiotherapy, which comprises a bottom plate, one end of the upper end surface of the bottom plate is provided with a supporting block along the length direction, one side of the supporting block close to the middle part of the bottom plate is arc-shaped, and two fixing parts corresponding to each other are fixedly arranged on the upper end surface of the support block along the length direction of the support block, cylindrical through grooves are uniformly distributed on the fixing parts, a thermoplastic film is connected between the fixing parts, when the device is used, the patient lies on the bottom plate and places the affected limb on the supporting block, so that the knee joint is just above the inflection point of the supporting block, the position of adjustment thermoplasticity membrane simultaneously for the thermoplasticity membrane just in time bearing is at the lower extreme of patient's ankle, and the soft tissue of patient's ankle is less relatively, and patient's affected limb should not remove this moment, makes radiotherapy's precision high.

Description

Adjustable leg fixing device for lower limb radiotherapy

Technical Field

The utility model relates to a fixing device technical field especially relates to a shank fixing device for low limbs radiotherapy with adjustable.

Background

In radiotherapy, it is very important to stabilize the posture of the patient, and the patient is usually required to adopt a supine posture, and irradiation is performed after fixation using a phantom. When carrying out radiation therapy to patient's low limbs joint department, generally utilize the hot mould to fix patient's whole shank, because the shank soft tissue is more, when the soft tissue was extruded, the shank position can take place slight change, takes place the position fixing deviation easily in radiation therapy, and the precision is poor when leading to the hot mould to fix, influences the radiation therapy effect, and it is very necessary to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing an adjustable leg fixing device for lower limb radiotherapy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a shank fixing device for low limbs radiotherapy with adjustable, includes the bottom plate, the one end of bottom plate up end is provided with the tray along its length direction, and the material of bottom plate and tray is the carbon fiber, one side that the tray is close to the bottom plate middle part is convex, and the tray up end is provided with two fixed parts that correspond each other along its length direction, fixed part and tray integrated into one piece, set up the columniform logical groove of evenly distributed on the fixed part, be connected with the thermoplasticity body membrane between the fixed part, the thermoplasticity body membrane includes the base of U type, be connected with the wire side between the inner wall of base, and still be provided with the through-hole on the base, be connected with first fixture block between through-hole and the logical groove that corresponds, the middle part of bottom plate up end still rotates and installs two vacuum pad fixed blocks.

Preferably, one end of the upper end surface of the bottom plate is fixedly provided with second clamping blocks which are uniformly distributed, the second clamping blocks and the bottom plate are integrally formed, the second clamping blocks are cylindrical, the lower end surface of the supporting block is provided with clamping grooves, and the clamping grooves are matched with the second clamping blocks.

Preferably, the rubber layer is further glued to the outer side of the second fixture block.

Preferably, the upper end face of the support block is provided with a circular arc-shaped groove along the length direction of the support block, and the groove is positioned between the fixing parts.

Preferably, first fixture block includes the columniform body of rod, and the diameter of the body of rod is less than the diameter that leads to the groove, and the lower extreme of the body of rod is provided with the conical lug of inversion, the diameter of lug the top is greater than the diameter of the body of rod, and the middle part of the body of rod is provided with the bulge loop, and is provided with on the body of rod and grasps portion, lug, bulge loop, grasp portion and body of rod integrated into one piece.

Preferably, the rod body is made of carbon fiber.

Preferably, the diameter of the vacuum pad fixing block is 4cm-5 cm.

The utility model has the advantages that:

1. when the device used, the patient was lain on the bottom plate to place the affected limb on the tray, make the knee joint just in time on the flex point of tray, the position of adjustment thermoplasticity body membrane simultaneously, make the net face of thermoplasticity body membrane just in time the bearing at the lower extreme of patient's ankle, utilize the thermoplasticity body membrane to fix patient's ankle, the soft tissue of patient's ankle is less relatively, patient's affected limb should not remove this moment, makes radiotherapy's precision high.

2. When the device uses, fill up the cooperation vacuum through the vacuum and fill up the fixed block and fix patient's health for patient's health is difficult for removing, further improves the stability of device.

Drawings

Fig. 1 is a schematic front view of an adjustable leg fixing device for lower limb radiotherapy according to the present invention;

fig. 2 is a schematic main sectional structure view of an adjustable leg fixing device for lower limb radiotherapy provided by the present invention;

fig. 3 is a schematic top view of an adjustable leg fixing device for lower limb radiotherapy according to the present invention;

fig. 4 is a schematic top view of a bottom plate of an adjustable leg fixing device for lower limb radiotherapy according to the present invention;

fig. 5 is a schematic top view of a supporting block of an adjustable leg fixing device for lower limb radiotherapy according to the present invention;

fig. 6 is a schematic side view of a supporting block of an adjustable leg fixing device for lower limb radiotherapy according to the present invention;

fig. 7 is a schematic top view of the thermoplastic film of the leg fixing device for adjustable lower limb radiotherapy provided in the present invention;

fig. 8 is a schematic structural view of the first fixture block of the adjustable leg fixing device for lower limb radiotherapy according to the present invention.

In the figure: 1 bottom plate, 2 tray, 3 fixed part, 4 first fixture blocks, 5 thermoplasticity membranes, 6 second fixture blocks, 7 vacuum pad fixed blocks, 8 recesses, 9 logical grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-8, an adjustable leg fixing device for lower limb radiotherapy comprises a base plate 1, wherein the length of the base plate 1 is 1.6m-2m, the width is 60cm-80cm, the thickness is 3cm-6cm, a supporting block 2 is arranged at one end of the upper end surface of the base plate 1 along the length direction, the supporting block 2 is of a hollow structure, reinforcing ribs are arranged inside the supporting block 2, the base plate 1 and the supporting block 2 are made of carbon fibers, one side of the supporting block 2 close to the middle of the base plate 1 is arc-shaped, two fixing portions 3 corresponding to each other are fixedly arranged on the upper end surface of the supporting block 2 along the length direction, the fixing portions 3 are strip-shaped, the fixing portions 3 and the supporting block 2 are integrally formed, uniformly distributed cylindrical through grooves 9 are formed in the fixing portions 3, a thermoplastic body film 5 is connected between the fixing portions 3, the thermoplastic body film 5 comprises a, the opening part of base is towards the arc portion of tray 2, and the material of base is rigid plastic or carbon fiber, be connected with the wire side between the inner wall of base, the material of wire side is the thermoplastic film of low temperature, and still is provided with the through-hole on the base, be connected with first fixture block 4 between through-hole and the logical groove 9 that corresponds, the middle part of 1 up end of bottom plate still rotates installs two vacuum pad fixed blocks 7 that correspond each other, vacuum pad fixed block 7 is the hemisphere, and the diameter of vacuum pad fixed block is 4cm-5 cm.

Further, the fixed second fixture block 6 that is provided with evenly distributed of one end of bottom plate 1 up end, second fixture block 6 is cylindrical, second fixture block 6 and bottom plate 1 integrated into one piece, and two mutually corresponding draw-in grooves have been seted up to the lower terminal surface of tray 2, draw-in groove and 6 looks adaptations of second fixture block insert the draw-in groove with second fixture block 6, can fix tray 2, are provided with 4-8 group second fixture blocks 6 along its width direction on bottom plate 1, select for use different second fixture blocks 6 to make tray 2 fix in different positions, satisfy patient's position or be convenient for treat patient's different patients.

Furthermore, the rubber layer is connected to the outer side of the second fixture block 6 in an adhesive mode, and the rubber layer can increase friction between the second fixture block 6 and the clamping groove.

Furthermore, the upper end face of the supporting block 2 is provided with a circular arc-shaped groove 8 along the length direction, the groove 8 is located between the fixing parts 3, in the embodiment, 3-5 supporting blocks 2 with different specifications are adopted, the length and the height of different supporting blocks 2 are different, the length range of the supporting block 2 is 50cm-90cm, the height range of the supporting block 2 is 30cm-60cm, the arc-shaped part on the supporting block 2 changes along with the change of the supporting block 2, the depth of the same groove 8 and the width of the opening part change along with the change of the size of the supporting block 2, and the groove 8 can be more attached to the shank of a patient by selecting the proper supporting block 2, so that the shank of the patient is not easy to move.

Further, first fixture block 4 includes the columniform body of rod, and the diameter of the body of rod is less than the diameter that leads to groove 9, and the lower extreme of the body of rod is provided with the conical lug of inversion, the diameter of lug the top is greater than the diameter of the body of rod, and the middle part of the body of rod is provided with the bulge loop, and is provided with on the body of rod and grasps the portion, lug, bulge loop, grasp portion and body of rod integrated into one piece, the material of the body of rod is the carbon fiber, and when first fixture block 4 inserted between through-hole and the logical groove 9, the up end of lug just in time contacted with the inner wall of tray 2, and the lower terminal surface of bulge loop just in.

In the embodiment, when the device is used, a patient lies on the bottom plate 1, and a diseased limb is placed on the support block 2, so that the knee joint is just at the inflection point of the support block 2, the position of the thermoplastic film 5 is adjusted, the thermoplastic film 5 is connected with the fixing part 3 through the first fixture block 4, the fixing part is provided with the through grooves 9 which are uniformly distributed, after the first fixture block 4 is inserted into the through grooves 9, the thermoplastic film 5 can be fixed, the position of the thermoplastic film 5 can be adjusted according to the length of the limb of the patient in the operation process, so that the net surface of the thermoplastic film 5 is just supported at the lower end of the ankle of the patient, the ankle of the patient is fixed by using the thermoplastic film, soft tissues at the ankle of the patient relative to other positions of the leg of the patient are relatively few, the situation that the position of the diseased limb is changed due to extrusion of the soft, and the ankle of the patient is relatively small in size, so that the thermoplastic body film 5 can be conveniently formed, the preparation time before the operation is saved, raw materials can be saved, the affected limb of the patient cannot move after the fixation, and the precision of the radiotherapy is high.

When the device uses, fill up cooperation vacuum pad fixed block 7 through the vacuum and fix patient's health, make patient's health difficult to move, further improve the stability of device, during the use, place the vacuum pad in bottom plate 1, bleed to the vacuum pad, when taking out the vacuum setting, the both ends of vacuum pad just in time can form the hemispherical recess with 7 looks adaptations of vacuum pad fixed block, when filling up fixed block 7 outsides with the recess cover in the vacuum, can make both cooperations form relatively fixed structure, realize the fixed of patient's health.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An adjustable leg fixing device for lower limb radiotherapy comprises a bottom plate (1) and is characterized in that a supporting block (2) is arranged at one end of the upper end face of the bottom plate (1) along the length direction of the bottom plate, the bottom plate (1) and the supporting block (2) are made of carbon fibers, one side, close to the middle of the bottom plate (1), of the supporting block (2) is arc-shaped, two fixing parts (3) which correspond to each other are arranged on the upper end face of the supporting block (2) along the length direction of the supporting block, the fixing parts (3) and the supporting block (2) are integrally formed, cylindrical through grooves (9) which are uniformly distributed are formed in the fixing parts (3), a thermoplastic body film (5) is connected between the fixing parts (3), the thermoplastic body film (5) comprises a U-shaped base, a net face is connected between the inner walls of the base, through holes are further formed in the base, and first clamping blocks (4), the middle part of the upper end face of the bottom plate (1) is also rotatably provided with two vacuum pad fixing blocks (7) which correspond to each other, and the vacuum pad fixing blocks (7) are hemispherical.

2. The adjustable leg fixing device for lower limb radiotherapy according to claim 1, wherein one end of the upper end surface of the bottom plate (1) is fixedly provided with second clamping blocks (6) which are uniformly distributed, the second clamping blocks (6) are integrally formed with the bottom plate (1), the second clamping blocks (6) are cylindrical, the lower end surface of the support block (2) is provided with clamping grooves, and the clamping grooves are matched with the second clamping blocks (6).

3. The adjustable leg fixing device for lower limb radiotherapy according to claim 2, wherein the second block (6) is further glued with a rubber layer on the outer side.

4. The adjustable leg fixing device for lower limb radiotherapy according to claim 1 or 3, wherein the upper end surface of the support block (2) is provided with an arc-shaped groove (8) along the length direction thereof, and the groove (8) is positioned between the fixing parts (3).

5. The adjustable leg fixing device for lower limb radiotherapy according to claim 4, wherein the first fixture block (4) comprises a cylindrical rod body, the diameter of the rod body is smaller than that of the through groove (9), the lower end of the rod body is provided with an inverted conical projection, the diameter of the uppermost end of the projection is larger than that of the rod body, the middle of the rod body is provided with a convex ring, and the rod body is provided with a gripping part, and the projection, the convex ring and the gripping part are integrally formed with the rod body.

6. The adjustable leg fixing device for lower limb radiotherapy as claimed in claim 5, wherein the rod body is made of carbon fiber.

7. The adjustable leg fixing device for lower limb radiotherapy according to claim 6, wherein the diameter of the vacuum pad fixing block (7) is 4cm-5 cm.