CN216755223U - Adjustable head radiotherapy fixing mask - Google Patents

Abstract

The utility model discloses an adjustable head radiotherapy fixing mask, relates to the technical field of medical equipment, and aims to solve the problems that an existing head radiotherapy fixing mask cannot adjust a fixing mask according to the change of the body type of a patient in the radiotherapy treatment process, the use effect is poor, and the working efficiency is low. The fixing film is reasonable in structural design and simple to operate, the fixing film can be adjusted according to the change of the body type of a patient in the radiotherapy treatment process, the repeatability, the stability and the comfort of the body position of the radiotherapy patient are guaranteed, accurate radiotherapy is realized, and the using effect is good.

Description

Adjustable head radiotherapy fixing mask

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an adjustable head radiotherapy fixing mask.

Background

Tumor radiotherapy is a local treatment for tumors using radiation. The radiation includes alpha, beta and gamma rays generated by radioactive isotopes, and x-rays, electron beams, proton beams and other particle beams generated by various x-ray therapeutic machines or accelerators. About 70% of cancer patients require radiation therapy in the course of cancer treatment, and about 40% of cancers can be cured by radiation therapy. The role and the position of radiotherapy in tumor treatment are increasingly prominent, and the radiotherapy is one of main means for treating malignant tumors. The body size of a patient can change in the long radiotherapy treatment process, and edema of partial patients can occur, so that an adjustable head radiotherapy fixing mask is urgently needed.

However, the existing head radiotherapy fixed body membrane has single function and complex operation, cannot be adjusted according to the change of the body type of a patient in the radiotherapy treatment process, and has poor use effect and low working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing head radiotherapy fixing body membrane cannot be adjusted according to the change of the body type of a patient in the radiotherapy treatment process, the use effect is poor and the working efficiency is low, and provides an adjustable head radiotherapy fixing mask.

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

an adjustable head radiotherapy fixing mask comprises a radiotherapy fixing film, wherein a first special-shaped plate is fixedly connected to the lower edge of the radiotherapy fixing film, a plurality of plastic expansion screw nuts are connected to the first special-shaped plate in a threaded manner and a plurality of discs are fixedly connected to the tops of the plastic expansion screw nuts, a plurality of measuring columns are slidably connected to the positions, corresponding to the plastic expansion screw nuts, of the first special-shaped plate, a plurality of measuring columns are fixedly connected to the bottoms of the same second special-shaped plate, a plurality of plastic expansion screw nuts are fixedly connected to the bottom of the second special-shaped plate, the plastic expansion screw nuts are sleeved in the corresponding plastic expansion screw nuts and are clamped with the plastic expansion screw nuts to be matched, a plurality of pull rods are slidably connected to the measuring columns, and the pull rods are far away from corresponding handles fixedly connected to one ends of the discs, the handle is fixedly connected with an elastic piece, and one end of the elastic piece, which is far away from the handle, is fixedly connected with the corresponding measuring column.

Preferably, the elastic member is an elastic band or a non-metal spring.

Preferably, a plurality of round holes are opened at the top of second dysmorphism board, plastics expansion screw box fixed connection in corresponding in the round hole.

Preferably, a plurality of the measuring columns are provided with scale marks,

preferably, the measuring column is provided with a rectangular hole, and the pull rod is slidably connected in the corresponding rectangular hole.

Preferably, the plastic expansion screw fastener is provided with an external thread, the first special-shaped plate is provided with a threaded hole, and the external thread is meshed with the internal thread of the threaded hole.

Preferably, the periphery of the disc is provided with a plurality of clamping grooves, and the pull rod is clamped with the corresponding clamping grooves.

Compared with the prior art, the utility model has the beneficial effects that: the plastic expansion screw fastener is reasonable in design and simple in operation, the screw thread is arranged on the plastic expansion screw fastener and used for adjusting the tightness of the fixing film, the measuring column with scales is arranged so as to increase the adjusting precision, and the locking structure is formed by the measuring column, the pull rod, the handle and the elastic piece so as to prevent the screw thread from loosening and shifting after the adjustment is completed.

Drawings

Fig. 1 is a schematic perspective view of an adjustable head radiotherapy fixing mask according to the present invention;

FIG. 2 is a schematic perspective view of an adjustable head radiotherapy fixing mask according to the present invention;

FIG. 3 is a top view of an adjustable head radiotherapy fixation mask in accordance with the present invention;

FIG. 4 is a side view of an adjustable head radiotherapy fixation mask in accordance with the present invention;

fig. 5 is a schematic perspective view of the plastic expansion screw buckle, the plastic expansion screw nut buckle and the disc of the adjustable head radiotherapy fixing mask provided by the utility model.

In the figure: 1. a radiotherapy fixed film; 2. a first profiled sheet; 3. plastic expansion screw fastener; 4. a disc; 5. a measuring column; 6. a second profile plate; 7. plastic expansion screw female buckle; 8. a pull rod; 9. a handle; 10. an elastic member.

Detailed Description

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

Referring to fig. 1-5, this scheme provides one embodiment: an adjustable head radiotherapy fixing mask comprises a radiotherapy fixing film 1, a first special-shaped plate 2 is fixedly connected to the lower edge of the radiotherapy fixing film 1, a plurality of plastic expansion screw buckles 3 are in threaded connection with the first special-shaped plate 2, disks 4 are fixedly connected to the top ends of the plastic expansion screw buckles 3, a plurality of measuring columns 5 are slidably connected to the positions, corresponding to the plastic expansion screw buckles 3, of the first special-shaped plate 2, the bottom ends of the measuring columns 5 are fixedly connected with a same second special-shaped plate 6, a plurality of plastic expansion screw nuts 7 are fixedly connected to the bottom of the second special-shaped plate 6, the plastic expansion screw buckles 3 are sleeved in the corresponding plastic expansion screw nuts 7 and are in clamping fit with the plastic expansion screw nuts 7, pull rods 8 are slidably connected to the measuring columns 5, and a handle 9 is fixedly connected to one end, far away from the corresponding disk 4, of each pull rod 8, an elastic piece 10 is fixedly connected to the handle 9, and one end of the elastic piece 10 away from the handle 9 is fixedly connected with the corresponding measuring column 5.

In this embodiment, the elastic member 10 is an elastic band or a non-metal spring.

Referring to fig. 1, in this embodiment, a plurality of clamping grooves are formed in the periphery of the disc 4, and the pull rod 8 is clamped with the corresponding clamping grooves, so that the disc 4 is limited.

Referring to fig. 1, in this embodiment, a rectangular hole is formed on the measuring column 5, and the pull rod 8 is slidably connected in the corresponding rectangular hole, so that the sliding of the pull rod 8 is more stable.

Referring to fig. 2, in this embodiment, be equipped with the external screw thread on the plastics inflation screw detain 3, set up threaded hole on the first dysmorphism board 2, the external screw thread meshes with the internal thread of screw hole mutually, is convenient for adjust the height of radiotherapy fixed film 1.

Referring to fig. 2, in this embodiment, a plurality of circular holes are formed in the top of the second special-shaped plate 6, and the plastic expansion screw female fastener 7 is fixedly connected in the corresponding circular hole, so as to fix the device conveniently.

Referring to fig. 4, in the present embodiment, the plurality of measuring columns 5 are provided with scale marks, so that the change of the height can be observed conveniently.

The working principle is that firstly, the device is placed on a radiotherapy bed, the height of a radiotherapy fixing film 1 is adjusted according to the change of the body type of a patient, a handle 9 is pulled outwards, the handle 9 moves to drive a pull rod 8 to move, the pull rod 8 is not clamped with a clamping groove, at the moment, an elastic part 10 is further stretched, a disc 4 is rotated, the disc 4 rotates to drive a plastic expansion screw buckle 3 to rotate, the plastic expansion screw buckle 3 is in threaded connection with a first special-shaped plate 2 to drive the first special-shaped plate 2 to move, the disc 4 is stopped after the corresponding height is adjusted according to a practical situation by comparing a measuring column 5, the handle 9 is loosened, the pull rod 8 and the clamping groove are in a limiting way to the disc 4 under the action of the elastic force of the elastic part 10, the lower end of a plastic expansion screw female buckle 7 is placed in a reserved bottom plate through hole on the radiotherapy bed, the disc 4 is pressed downwards, the disc 4 moves to drive the plastic expansion screw buckle 3 to move downwards, the plastic expansion screw fastener 3 drives the radiotherapy fixing film 1 and the first special-shaped plate 2 to move downwards, and the plastic expansion screw fastener 3 expands in the through hole of the plastic expansion screw female fastener 7, so that the device is stably connected with a radiotherapy bed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides an adjustable head radiotherapy fixed face guard, includes radiotherapy fixed membrane (1), its characterized in that, the lower edge fixedly connected with first dysmorphism board (2) of radiotherapy fixed membrane (1), threaded connection has a plurality of plastics inflation screw to detain (3) on first dysmorphism board (2), and is a plurality of the equal fixedly connected with disc (4) in top that the plastics inflation screw detained (3), the position sliding connection that first dysmorphism board (2) correspond to plastics inflation screw detain (3) has a plurality of measuring posts (5), a plurality of the bottom fixedly connected with of measuring post (5) is same second dysmorphism board (6), the bottom fixedly connected with a plurality of plastics inflation screw box (7) of second dysmorphism board (6), plastics inflation screw detain (3) cup joint in corresponding plastics inflation screw box (7) and with plastics inflation screw box (7) looks chucking adaptation, it is a plurality of all sliding connection has pull rod (8) on measuring post (5), pull rod (8) are kept away from corresponding the one end fixedly connected with handle (9) of disc (4), fixedly connected with elastic component (10) on handle (9), elastic component (10) are kept away from the one end of handle (9) and corresponding measure post (5) fixed connection.

2. The adjustable fixing mask for head radiotherapy as claimed in claim 1, wherein the elastic member (10) is an elastic band or a non-metal spring.

3. The adjustable fixing mask for head radiotherapy as claimed in claim 1, wherein the second shaped plate (6) has a plurality of circular holes on the top, and the plastic expansion screw female fastener (7) is fixedly connected in the corresponding circular hole.

4. The adjustable fixing mask for head radiotherapy as claimed in claim 1, wherein a plurality of said measuring columns (5) are provided with graduation marks.

5. The adjustable fixing mask for head radiotherapy as claimed in claim 1, wherein said measuring column (5) has a rectangular hole, and said pull rod (8) is slidably connected in the corresponding rectangular hole.

6. The adjustable fixing mask for head radiotherapy as claimed in claim 1, wherein the plastic expansion screw fastener (3) is provided with an external thread, the first shaped plate (2) is provided with a threaded hole, and the external thread is engaged with an internal thread of the threaded hole.

7. The adjustable fixing mask for head radiotherapy as claimed in claim 1, wherein the periphery of the disc (4) is provided with a plurality of slots, and the pull rod (8) is clamped with the corresponding slots.

Images