Head fixing combination device for radiotherapy

Abstract

The utility model discloses a head fixing combination device for radiotherapy, which relates to a medical instrument and comprises a head low-temperature thermoplastic film, a buccal device, a buccal device fixing buckle, tooth fixing rubber and a tongue depressor, and the buccal device is fixed on the head low-temperature thermoplastic film through the buccal device fixing buckle. The buccal device is arranged on the inner side of the head low-temperature thermoplastic film, the buccal device fixing buckle is arranged on the outer side of the head low-temperature thermoplastic film, the tooth fixing rubber is arranged on the buccal device, and the tongue depressor penetrates through the tooth fixing rubber and is fixed on the buccal device; according to the utility model, the head can be stably fixed, the matching precision with the head is improved, the operation is simple, the system stability is enhanced, the comfort of the head is increased in a long-time treatment process, and the activity of the head is reduced, so that the treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of medical instruments, in particular to a kind of head fixing combination device for radiotherapy. BACKGROUND

[0002] Many head fixing instruments are fixed to the head of patient by using head cryogenic thermoforming film at present, the head and the adhesion of cryogenic thermoforming film are poor, patient is uncomfortable due to long treatment process, increase the risk degree of head deviation, reduce positioning accuracy, reduce treatment effect. SUMMARY

[0003] The utility model aims at solving the problems of low comfort and large head treatment positioning error in prior art, and provides a kind of head fixing combination device for radiotherapy.

[0004] A kind of head fixing combination device for radiotherapy, including head cryogenic thermoforming film, mouthpiece, mouthpiece fixing buckle, tooth fixing rubber and tongue depressor, mouthpiece is fixed on head cryogenic thermoforming film by mouthpiece fixing buckle, mouthpiece is arranged in head cryogenic thermoforming film inner side, mouthpiece fixing buckle is arranged in head cryogenic thermoforming film outer side, tooth fixing rubber is arranged on mouthpiece, tongue depressor is fixed on mouthpiece by tooth fixing rubber;

[0005] The limit strip is symmetrically provided on the front end of the mouthpiece, the opposite surfaces of the limit strip are uniformly provided with sawtooth-shaped clamping blocks, the mouthpiece fixing buckle is symmetrically provided with rectangular clamping grooves, the sawtooth-shaped clamping blocks are matched with the rectangular clamping grooves, and the sawtooth-shaped clamping blocks are clamped in the rectangular clamping grooves.

[0006] The tongue depressor is detachably arranged on the mouthpiece by the cooperation of the clamping blocks and the clamping grooves.

[0007] The utility model has the advantages of stable fixing head, improved head matching accuracy, simple operation, enhanced system stability, increased head comfort during long treatment process, reduced head activity and improved treatment effect.

[0008] The utility model can stably fix head, the head matching accuracy is improved, and the system stability is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the explosion view of the utility model in unused state;

[0010] Figure 2 It is the explosion view of the utility model in unused state;

[0011] Figure 3 It is the three-dimensional schematic view of the utility model in use state.

[0012] Figure 4 is the three-dimensional schematic view in use state of the utility model;

[0013] Figure 5 is the front view in use state of the utility model;

[0014] Figure 6 is the utility model Figure 5 A-A section view. DETAILED DESCRIPTION

[0015] Please refer to Figures 1 to 6 The utility model discloses a head fixing combination device for radiotherapy, which comprises a head low-temperature thermoplastic film 1, a mouthpiece 3, a mouthpiece fixing buckle 2, tooth fixing rubber 4 and a tongue depressor 5, the mouthpiece 3 is fixed on the head low-temperature thermoplastic film 1 through the mouthpiece fixing buckle 2, the mouthpiece 3 is arranged on the inner side of the head low-temperature thermoplastic film 1, the mouthpiece fixing buckle 2 is arranged on the outer side of the head low-temperature thermoplastic film 1, the tooth fixing rubber 4 is arranged on the mouthpiece 3, and the tongue depressor 5 is fixed on the mouthpiece 3 through the tooth fixing rubber 4.

[0016] The limiting strip is symmetrically provided with sawtooth-shaped clamping blocks 31 on opposite surfaces, the mouthpiece fixing buckle 2 is symmetrically provided with rectangular clamping grooves 21, the sawtooth-shaped clamping blocks 31 are matched with the rectangular clamping grooves 21, and the sawtooth-shaped clamping blocks 31 are clamped in the rectangular clamping grooves 21.

[0017] Specifically, the limiting strip can be elastically deformed, the limiting strip at the front end of the mouthpiece 3 passes through the head low-temperature thermoplastic film 1, the sawtooth-shaped clamping blocks 31 are matched with the rectangular clamping grooves 21, the sawtooth-shaped clamping blocks 31 arranged oppositely on the limiting strip can be clamped in the rectangular clamping grooves 21 symmetrically arranged on the mouthpiece fixing buckle 2, and the mouthpiece 3 is fixed on the inner side of the head low-temperature thermoplastic film 1.

[0018] The tongue depressor 5 is provided with clamping blocks at the front end, the mouthpiece 3 is provided with clamping grooves, and the tongue depressor 5 can be detachably arranged on the mouthpiece 3 through cooperation of the clamping blocks and the clamping grooves.

[0019] Working principle and process of the utility model:

[0020] Please refer to Figures 1 to 6As shown, in use, first, make the fixed mouthpiece combination: the teeth fixed rubber 4 is fixed on the mouthpiece 3, the patient's teeth bite the fixed rubber 4, wait for a few minutes until the fixed rubber 4 solidifies, that is, the making is completed; then, according to the patient's face, the head low-temperature thermoplastic film 1 is heated and shaped, which is made to be consistent with the face and is fitted, the limiting strip at the front end of the mouthpiece 3 passes through the head low-temperature thermoplastic film 1, the relatively arranged sawtooth-shaped clamping blocks 31 on the limiting strip are clamped in the symmetrically arranged rectangular clamping grooves 21 on the mouthpiece fixed buckle 2, the mouthpiece 3 is fixed inside the head low-temperature thermoplastic film 1, the teeth fixed rubber 4 is fixed on the mouthpiece 3, the front end of the tongue plate 5 passes through the teeth fixed rubber 4 and is clamped inside the mouthpiece 3, the teeth bite on the teeth fixed rubber 4, the tongue plate 5 fixes the movement of the tongue, and the head fixing combination device increases the positioning accuracy of the head and improves the treatment effect.

Claims

1. A head fixation assembly for use in radiotherapy, characterized in that: The application relates to a head low-temperature thermoplastic film (1), a mouthpiece (3), a mouthpiece fixing buckle (2), tooth fixing rubber (4) and a tongue depressor (5), the mouthpiece (3) is fixed on the head low-temperature thermoplastic film (1) through the mouthpiece fixing buckle (2), the mouthpiece (3) is arranged on the inner side of the head low-temperature thermoplastic film (1), the mouthpiece fixing buckle (2) is arranged on the outer side of the head low-temperature thermoplastic film (1), the tooth fixing rubber (4) is arranged on the mouthpiece (3), and the tongue depressor (5) is fixed on the mouthpiece (3) through the tooth fixing rubber (4).

2. A head fixation assembly for radiotherapy use according to claim 1, characterized in that: The mouthpiece (3) is symmetrically provided with limiting strips at the front end, sawtooth-shaped clamping blocks (31) are uniformly arranged on the opposite surfaces of the limiting strips, rectangular clamping grooves (21) are symmetrically arranged on the mouthpiece fixing buckle (2), the sawtooth-shaped clamping blocks (31) are matched with the rectangular clamping grooves (21), and the sawtooth-shaped clamping blocks (31) are clamped in the rectangular clamping grooves (21).

3. A head fixation assembly for radiotherapy use according to claim 1, characterized in that: The tongue depressor (5) is provided with a clamping block at the front end, the mouthpiece (3) is provided with a clamping groove, and the tongue depressor (5) is detachably arranged on the mouthpiece (3) through cooperation of the clamping block and the clamping groove.

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