CN215652359U - Auxiliary device for fixing skull and mandible in nerve intervention operation - Google Patents

Abstract

The utility model discloses a fixed skull and mandible auxiliary device in a nerve interventional operation, wherein in the interventional operation, if the head of a patient rotates, the operation accuracy is influenced, the operation time is prolonged, even the operation is likely to be directly failed, most of patients have reduced consciousness level, and the tongue suffix easily causes oxygen deficiency, so the head of the patient needs to be fixed to ensure the smooth operation; the cervical vertebra pillow is used for supporting the neck and the head of a patient, the lower jaw fixing devices are movably mounted on the two sides of the cervical vertebra pillow to achieve the purpose of supporting and fixing the lower jaw of the patient, the lower jaw fixing devices are adjusted in multiple directions through matching of the sliding grooves and the sliding blocks, the ratchet wheels on the two end faces are meshed with different tooth positions to achieve angle adjustment of the lower jaw cross beam, the elastic forehead fixing band capable of being scaled can fix the forehead of the patient, the elastic forehead fixing band and the lower jaw fixing devices on the two sides form three-point positioning, the fixing effect is good, the cervical vertebra pillow can adapt to patients of different body types, the structure is light, and the static pressure bearing force is good.

Description

Auxiliary device for fixing skull and mandible in nerve intervention operation

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a skull-fixing mandible auxiliary device in a nerve intervention operation.

Background

The nerve intervention operation is a minimally invasive treatment method, through puncture of femoral artery (or femoral vein), under the guide of medical imaging equipment, special precise instruments such as catheter and guide wire are introduced into human body to diagnose and locally treat internal disease, digital technology is applied to expand the visual field of doctor, with the help of the catheter and guide wire, the doctor's hands are prolonged, the incision (puncture point) of the guide wire is only of the size of rice grain, and the disease which cannot be treated in the past and needs to be treated by operation or internal treatment with poor curative effect can be treated without cutting human tissue.

In an interventional operation, if the head of a patient rotates or moves, the operation accuracy is affected, the operation time is prolonged, even the interventional operation can be directly failed, most of patients have decreased consciousness level, and the tongue suffix easily causes oxygen deficiency and hinders the breathing of the patient, so the head of the patient needs to be limited and fixed to ensure the smooth operation; the existing nerve intervention operation head fixation is mostly fixed by adopting an elastic bandage and a flexible object filled under the neck, but the elastic bandage is directly fixed on an operation bed, the elasticity of the elastic bandage is inconvenient to control, the skin of the head of a patient is damaged if the elastic bandage is too tight, a certain moving space is left on the head if the elastic bandage is too loose, the head fixation effect is poor, the head of the patient has no better stress point, and the comfort of the patient is poor, so the utility model is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the auxiliary device for fixing the skull and the lower jaw in the nerve interventional operation, which can fix the head of a patient, ensure the smooth breathing of the patient and improve the comfortable sensation of the patient.

The utility model is realized by the following technical scheme:

a fixed head jaw auxiliary device in the nerve intervention operation is characterized in that: the cervical vertebra pillow comprises a cervical vertebra pillow (1) and a lower jaw fixing device (2), wherein the lower jaw fixing device (2) capable of being adjusted in a telescopic mode is installed on two sides of the cervical vertebra pillow (1), the lower jaw fixing device (2) comprises a transverse telescopic device (21), a longitudinal telescopic device (22) and a lower jaw beam (23), one ends of the two transverse telescopic devices (21) are respectively fixed on two sides of the cervical vertebra pillow (1), the other end of the transverse telescopic device (21) is perpendicularly connected and fixed with the longitudinal telescopic device (22), and the other end of the longitudinal telescopic device (22) is perpendicularly connected and fixed with the lower jaw beam (23) capable of being adjusted in angle.

The transverse telescopic device (21) comprises a shoulder cross beam (211), a transverse sliding block (212) and a gasket (213), the transverse sliding block (212) is assembled in a sliding groove in the shoulder cross beam (211) in a sliding mode, the appearance of the transverse sliding block (212) is matched with the inner contour of the sliding groove, the transverse sliding block (212) is fixed through a knurled bolt on one side of the shoulder cross beam (211), and the gasket (213) is arranged on the inner side of the cervical vertebra pillow (1); shoulder crossbeam (211) one end is provided with latch post (214), latch post (214) pass waist type groove (11) and the inboard gasket (213) of cervical vertebra pillow (1) side and are connected fixedly, the length of latch post (214) slightly is greater than the thickness of waist type groove (11), shoulder crossbeam (211) can be followed waist type groove (11) back-and-forth movement, shoulder crossbeam (211) stiff end top is provided with fixed plate (215), the bolt can lock fixed shoulder crossbeam (211) through the screw hole on screw in fixed plate (215) and cervical vertebra pillow (1) contact.

The longitudinal telescopic device (22) comprises a shoulder upright post (221), a longitudinal sliding block (222) and a first end face ratchet wheel (223), the shoulder upright post (221) is assembled on the longitudinal sliding block (222) in a sliding mode through a sliding groove in the shoulder upright post (221), the appearance of the longitudinal sliding block (222) is matched with the appearance of the sliding groove in a sliding mode, the shoulder upright post (221) is fixed with the longitudinal sliding block (222) through a knurled bolt on one side of the shoulder upright post (221), the first end face ratchet wheel (223) is arranged at the upper end of the shoulder upright post (221), and a through hole is formed in the middle of the first end face ratchet wheel (223). The longitudinal slide block (222) and the transverse slide block (212) are mutually and vertically fixed on the slide block connecting piece (24).

A lower jaw supporting plate (231) used for supporting a lower jaw is arranged at one end of the lower jaw beam (23), threads are arranged at the other end of the lower jaw beam, a second end surface ratchet wheel (232) is arranged in the middle of the lower jaw beam (23), and a certain included angle is axially formed between the lower jaw supporting plate (231) and the lower jaw beam (23); the second end face ratchet wheel (232) penetrates through a through hole in the middle of the first end face ratchet wheel (223) arranged at the upper end of the shoulder upright post (221) through the threaded end of the lower jaw cross beam (23) and is coaxially meshed with the first end face ratchet wheel (223), and the angle of the lower jaw supporting plate (231) can be adjusted by adjusting different tooth positions of the first end face ratchet wheel (223) and the second end face ratchet wheel (232) for meshing.

The cervical vertebra pillow (1) is of a groove-shaped structure, a reinforcing rib (12) is arranged in the middle of the interior of the cervical vertebra pillow, a strip-shaped mounting hole is formed in the reinforcing rib (12) at a height corresponding to a waist-shaped groove (11) in the side face of the cervical vertebra pillow (1), the cervical vertebra pillow (1) is arranged on the head side of the operating bed (5), and the pillow fixing belt (3) penetrates through the waist-shaped groove (11) and the strip-shaped mounting hole to bind the cervical vertebra pillow (1) on the operating bed (5); the upper end of the cervical vertebra pillow (1) can be provided with an elastic forehead fixing band (4), and the two ends of the elastic forehead fixing band (4) respectively penetrate into the limiting ears (13) at the two sides of the cervical vertebra pillow (1) to fix the forehead of a patient in the groove of the cervical vertebra pillow (1).

The working principle of the utility model is as follows:

the cervical vertebra pillow is fixed to the head of an operating bed by the aid of the pillow fixing band, the neck and the head of a patient are supported by the cervical vertebra pillow, the aim of supporting and fixing the lower jaw of the patient is achieved by movably mounting the lower jaw fixing devices on two sides of the cervical vertebra pillow, the lower jaw fixing devices are adjusted front and back, left and right and up and down by means of matching of the sliding grooves and the sliding blocks, the angle adjustment of a lower jaw cross beam is achieved by meshing different tooth positions of the two end face ratchets, the scalable elastic forehead fixing band is arranged above the cervical vertebra pillow to fix the forehead of the patient, and the elastic forehead fixing band and the lower jaw fixing devices on two sides form three-point positioning fixation.

Compared with the prior art, the utility model has the beneficial effects that:

the cervical vertebra pillow is used for supporting the neck and the head of a patient, and a plurality of force points are given to the head of the patient; the groove in the cervical pillow is of an arch structure with a high middle part and front and back end bottoms, the shape of the groove is fit with the outline of the neck and the head of a patient, the groove in the cervical pillow conforms to the range of healthy cervical vertebrae of the human body, the neck of the patient is prevented from being sore or even damaged due to no stress point, and the comfort level of the patient is improved; the arch structure in the cervical pillow can also lift the lower jaw of a patient, so as to prevent the patient from generating oxygen deficiency due to postglossoptosis, and further influence of general anesthesia on the patient can be reduced without intubating general anesthesia; the pin column is matched with the sliding grooves and the sliding blocks of the waist-shaped groove, the shoulder cross beam and the transverse sliding block, the shoulder upright column and the longitudinal sliding block on the two sides of the cervical pillow, so that the front-back, left-right and up-down adjustment of the lower jaw fixing device is realized respectively, the moving range of the lower jaw fixing device is increased, the lower jaw fixing device can adapt to patients with different face shapes and body shapes, and the applicability is strong; the angle adjustment of the lower jaw crossbeam is realized by the meshing of the ratchets on the two end surfaces at different tooth positions so as to adapt to patients with different face shapes; a certain included angle is axially formed between the lower jaw supporting plate and the lower jaw cross beam, and the included angle can be fit with the lower jaw contour of a patient, so that the comfort of the patient is improved; the elastic forehead fixing band and the lower jaw fixing devices on two sides form three-point positioning and fixing, so that the fixing effect of the device on the lower jaw of a patient is enhanced; the device is preferably made of engineering plastics, and has the advantages of light and handy whole structure, convenience and better static pressure bearing capacity.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a state diagram of the present invention in use;

FIG. 3 is a bottom perspective view of the cervical pillow of the present invention;

fig. 4 is an exploded view of the mandibular fixation device of the present invention;

FIG. 5 is a schematic perspective view of a second embodiment of the present invention;

reference numbers in the figures:

1-cervical vertebra pillow, 11-waist-shaped groove, 12-reinforcing rib, 13-limit ear;

2-mandibular fixation device; 21-transverse expansion device, 211-shoulder beam, 212-transverse sliding block, 213-gasket, 214-bolt column, 215-fixing plate; 22-longitudinal expansion device, 221-shoulder upright post, 222-longitudinal slide block, 223-first end face ratchet wheel; 23-mandible crossbeam, 231-mandible supporting plate, 232-second end face ratchet wheel; 24-a slider connection;

3-pillow fixing band;

4-elastic forehead fixing band;

5-operating tables;

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1-4, a fixed skull mandible auxiliary device in a nerve intervention operation comprises a cervical vertebra pillow 1 and a mandible fixing device 2, wherein telescopic and adjustable mandible fixing devices 2 are installed on two sides of the cervical vertebra pillow 1, the mandible fixing device 2 comprises a transverse expansion device 21, a longitudinal expansion device 22 and a mandible beam 23, one end of each of the two transverse expansion devices 21 is respectively fixed on two sides of the cervical vertebra pillow 1, the other end of each of the transverse expansion devices 21 is vertically connected and fixed with the longitudinal expansion device 22, and the other end of each of the longitudinal expansion devices 22 is vertically connected and fixed with the angle-adjustable mandible beam 23.

Further, as shown in fig. 1 and 4, the transverse expansion device 21 includes a shoulder beam 211, a transverse slider 212 and a gasket 213, the transverse slider 212 is slidably assembled in a sliding slot on the shoulder beam 211, the outer shape of the transverse slider 212 is matched with the inner contour of the sliding slot, the transverse slider 212 is fixed and limited by a knurled bolt on one side of the shoulder beam 211, and the gasket 213 is disposed on the inner side of the cervical pillow 1.

Further, as shown in fig. 4, one end of the shoulder beam 211 is provided with a bolt 214, one end of the bolt 214 is provided with a threaded hole, the bolt 214 passes through the waist-shaped groove 11 on the side surface of the cervical pillow 1 and is fixed with the gasket 213 on the inner side of the cervical pillow 1 through a bolt, the length of the bolt 214 is slightly greater than the thickness of the waist-shaped groove 11, so that the shoulder beam 211 is not easy to be jammed when sliding on the waist-shaped groove 11, and the shoulder beam 211 can move back and forth along the waist-shaped groove 11 to adjust the position of the lower jaw fixing device 2 supporting the lower jaw of the patient, so as to adapt to people with different face types and body types.

Further, as shown in fig. 4, a fixing plate 215 is arranged above the fixing end of the shoulder beam 211, a threaded hole is formed in the fixing plate 215, and a knurled bolt is screwed into the threaded hole to contact with the cervical pillow 1 to lock the shoulder beam 211 and limit the shoulder beam 211 to slide on the waist-shaped groove 11.

Further, as shown in fig. 4, the longitudinal expansion device 22 includes a shoulder pillar 221, a longitudinal slider 222, and a first end ratchet 223, the shoulder pillar 221 is slidably assembled on the longitudinal slider 222 through a sliding slot on the shoulder pillar 221, the shape of the longitudinal slider 222 is adapted to the inner contour of the sliding slot, the shoulder pillar 221 is fixed to the longitudinal slider 222 through a knurled bolt on one side of the shoulder pillar 221, the first end ratchet 223 is disposed on the upper end of the shoulder pillar 221, and a through hole is disposed in the middle of the first end ratchet 223.

Further, as shown in FIG. 4, the longitudinal slider 222 and the lateral slider 212 are perpendicularly fixed to the slider coupling 24.

Further, as shown in fig. 4, one end of the lower jaw beam 23 is provided with a lower jaw supporting plate 231 for supporting the lower jaw, the other end of the lower jaw beam is provided with a thread, the lower jaw supporting plate 231 is an arc-shaped plate with an inward concave surface, the arc shape of the lower jaw supporting plate can increase the contact area between the lower jaw supporting plate 231 and the lower jaw of the patient, the lower jaw of the patient can be better fitted, and the comfort of the patient can be improved.

Further, as shown in fig. 4, a second end surface ratchet wheel 232 is disposed in the middle of the lower jaw cross beam 23, and the second end surface ratchet wheel 232 and the first end surface ratchet wheel 223 have the same diameter and the same number of teeth.

Further, as shown in fig. 1-4, the lower jaw supporting plate 231 and the lower jaw cross member 23 are axially arranged with a certain included angle, which can fit the lower jaw contour of the patient, thereby improving the comfort of the patient.

Further, as shown in fig. 4, the second end surface ratchet wheel 232 passes through the through hole in the middle of the first end surface ratchet wheel 223 through the threaded end of one end of the lower jaw beam 23 to coaxially engage with the first end surface ratchet wheel 223, and the lower jaw beam 23 is fixed to the longitudinal expansion device 22 through the matching of the threads and the nuts, and the angle of the lower jaw beam 23 can be adjusted by adjusting the different tooth positions of the first end surface ratchet wheel 223 and the second end surface ratchet wheel 232 to engage, so as to adjust the angle of the lower jaw support plate 231.

Further, as shown in fig. 1 and 3, the cervical pillow 1 is a groove-shaped structure with an opening at one end, an arch structure with a middle height and front and rear ends is arranged in the groove, the shape of the arch structure is fitted with the neck and head contour of a patient, the tongue suffix of the patient is prevented, the comfort level of the patient is guaranteed, the opening end is wider than the middle part and is provided with a certain slope, and the opening end is used for supporting the shoulder of the patient.

Further, as shown in fig. 3, the middle position of the bottom of the cervical vertebra pillow 1 is provided with a reinforcing rib 12 to ensure the strength of the cervical vertebra pillow 1, the reinforcing rib 12 is provided with a bar-shaped mounting hole at a height corresponding to the waist groove 11 on the side of the cervical vertebra pillow 1, the length of the bar-shaped mounting hole is larger than the width of the pillow fixing band 3, and the pillow fixing band 3 is convenient to penetrate.

Further, as shown in fig. 2, the cervical pillow 1 is disposed at the head side of the operation table 5, and the pillow fixing strap 3 passes through the waist-shaped groove 11 and the strip-shaped mounting hole to bind the cervical pillow 1 to the operation table 5.

Further, as shown in fig. 1 and 2, the upper end of the cervical vertebra pillow 1 is provided with an elastic forehead fixing band 4, two ends of the elastic forehead fixing band 4 respectively penetrate into the limiting ears 13 at two sides of the cervical vertebra pillow 1 to fix the forehead of the patient in the groove of the cervical vertebra pillow 1, and the length of the elastic forehead fixing band 4 can be adjusted and reduced according to the head circumference of the patient.

Further, the cushion can be sleeved on the inner part of the cervical pillow 1 and the surface of the lower jaw supporting plate 231, the comfort level of a patient is improved, and silica gel is preferably selected as the cushion material.

Furthermore, the cervical pillow 1 is preferably made of engineering plastics with high strength and light weight.

Example two:

as shown in fig. 5, compared with the first embodiment, the lower jaw fixing device 2 of the second embodiment is the same as the first embodiment, the cervical pillow 1 is partially different from the cervical pillow 1 of the first embodiment in structure, the cervical pillow 1 of the second embodiment is a groove-shaped structure with openings at two ends, the cervical pillow 1 is not provided with the limiting ears 13 and the elastic forehead fixing strap 4, and the second embodiment is suitable for patients with frontal injury or serious head injury, so as to prevent the elastic force of the elastic forehead fixing strap 4 of the first embodiment from causing secondary injury to the patients.

The working mode of the utility model is as follows:

when the cervical pillow is installed, the bolt column 214 on one side of the shoulder cross beam 211 is inserted into the kidney-shaped groove 11 on the side surface of the cervical pillow 1, one side provided with the fixing plate 215 faces upwards, the gasket 213 is installed on the bolt column 214 from the inner side of the cervical pillow 1 and is fixedly connected by bolts, a knurled bolt is screwed into the threaded hole on the fixing plate 215, then the transverse slider 212 of the assembly of the transverse slider 212 and the longitudinal slider 222 is inserted into the sliding groove on the shoulder cross beam 211, one end of the longitudinal slider 222 faces upwards, a knurled bolt is screwed into the threaded hole on one side of the shoulder cross beam 211, then the sliding groove on the shoulder cross beam 221 is inserted onto the longitudinal slider 222, the tooth surface of the first end face ratchet wheel 223 faces towards the cervical pillow 1, the knurled bolt is screwed into the threaded hole on one side of the shoulder cross beam 221, then the threaded end of the lower jaw cross beam 23 is inserted into the through hole in the middle of the first end face ratchet wheel 223 and is fixed by a nut, so that the second end face ratchet 232 on the lower jaw cross beam 23 is meshed with the first end face ratchet wheel 223, this allows the mandibular fixation device 2 on one side to be mounted to the cervical pillow 1.

The mandibular fixation device 2 on the other side of the cervical pillow 1 is mounted in the same manner as described above.

In the second embodiment, after the mandibular fixing devices 2 on both sides of the cervical vertebra pillow 1 are mounted in the above-described mounting manner, both ends of the elastic forehead fixing band 4 are inserted into and fixed to the limit ears 13 on both sides of the cervical vertebra pillow 1, respectively.

The disassembly is the reverse of the assembly described above.

When the utility model is used, medical staff firstly selects the first embodiment and the second embodiment according to different injuries and physical conditions of a patient, after the selection is finished, the pillow fixing belt 3 passes through the waist-shaped groove 11 and the strip-shaped mounting hole to bind the cervical pillow 1 at the head of the operating bed 5, then the knurled bolts on the lower jaw fixing devices 2 at two sides of the cervical pillow 1 are loosened to stretch the transverse expansion device 21 to the maximum position, then the patient lies flat on the operating bed 5 with the body lying on the back, the head of the patient is slowly placed in the cervical pillow 1, the supine posture of the patient is slightly adjusted to enable the patient to reach the optimal comfortable state, then the lower jaw fixing device 2 is adjusted according to the lower jaw position of the patient, the engaging tooth positions of the second end surface ratchet wheel 232 and the first end surface ratchet wheel 223 are adjusted by comparing the lower jaw position of the patient through the sliding shoulder cross beam 211, the drawing transverse slide block 212 and the drawing shoulder upright column 221, the lower jaw supporting plate 231 on the lower jaw cross beam 23 is attached to the lower jaw of the patient, the nut is screwed to fix the tooth position, the front and back positions, the height and the width of the lower jaw fixing device 2 are sequentially adjusted through the sliding shoulder cross beam 211, the drawing shoulder upright post 221 and the drawing transverse slider 212, the lower jaw fixing devices 2 on two sides are adjusted differently according to the positions of two sides of the lower jaw of the patient, in the first embodiment, the elastic forehead fixing band 4 is also required to be pulled up, and then the elastic forehead fixing band 4 is slowly retracted to the forehead of the patient through the elasticity of the elastic forehead fixing band 4, so that the head of the patient can be fixed through the device disclosed by the utility model, and the nerve interventional operation is carried out.

Claims (10)

1. A fixed head jaw auxiliary device in the nerve intervention operation is characterized in that: the cervical vertebra pillow comprises a cervical vertebra pillow (1) and a lower jaw fixing device (2), wherein the lower jaw fixing device (2) capable of being adjusted in a telescopic mode is installed on two sides of the cervical vertebra pillow (1), the lower jaw fixing device (2) comprises a transverse telescopic device (21), a longitudinal telescopic device (22) and a lower jaw beam (23), one ends of the two transverse telescopic devices (21) are respectively fixed on two sides of the cervical vertebra pillow (1), the other end of the transverse telescopic device (21) is perpendicularly connected and fixed with the longitudinal telescopic device (22), and the other end of the longitudinal telescopic device (22) is perpendicularly connected and fixed with the lower jaw beam (23) capable of being adjusted in angle.

2. The apparatus of claim 1, wherein the apparatus comprises: horizontal telescoping device (21) including shoulder crossbeam (211), horizontal slide rail (212) and gasket (213), in horizontal slide rail (212) slip assembly spout on shoulder crossbeam (211), profile looks adaptation in horizontal slide rail (212) appearance and the spout, horizontal slide rail (212) are fixed through the knurling bolt on shoulder crossbeam (211) one side, gasket (213) set up in cervical vertebra pillow (1) inboard.

3. The apparatus of claim 2, wherein the apparatus comprises: shoulder crossbeam (211) one end be provided with latch post (214), latch post (214) pass waist type groove (11) and the inboard gasket (213) of cervical vertebra pillow (1) side and be connected fixedly, the length of latch post (214) slightly is greater than the thickness of waist type groove (11), shoulder crossbeam (211) can be followed waist type groove (11) back-and-forth movement, shoulder crossbeam (211) stiff end top is provided with fixed plate (215), the bolt can lock fixed shoulder crossbeam (211) through the screw hole on screw in fixed plate (215) and cervical vertebra pillow (1) contact.

4. The apparatus of claim 1, wherein the apparatus comprises: the longitudinal telescopic device (22) comprises a shoulder upright post (221), a longitudinal sliding rail (222) and a first end face ratchet wheel (223), the shoulder upright post (221) is assembled on the longitudinal sliding rail (222) in a sliding mode through a sliding groove in the shoulder upright post (221), the appearance of the longitudinal sliding rail (222) is matched with the interior of the sliding groove in a contour mode, the shoulder upright post (221) is fixed with the longitudinal sliding rail (222) through a knurled bolt on one side of the shoulder upright post (221), the first end face ratchet wheel (223) is arranged at the upper end of the shoulder upright post (221), and a through hole is formed in the middle of the first end face ratchet wheel (223).

5. The device for assisting in the fixation of the cranio-mandibular joint in the neuro-intervention of claim 4, wherein: the longitudinal slide rail (222) and the transverse slide rail (212) are mutually and vertically fixed on the slide rail connecting piece (24).

6. The apparatus of claim 1, wherein the apparatus comprises: one end of the lower jaw crossbeam (23) is provided with a lower jaw supporting plate (231) for supporting a lower jaw, the other end of the lower jaw crossbeam is provided with threads, and the middle part of the lower jaw crossbeam (23) is provided with a second end surface ratchet wheel (232).

7. The apparatus of claim 6, wherein the apparatus comprises: and a certain included angle is axially formed between the lower jaw supporting plate (231) and the lower jaw cross beam (23).

8. The apparatus of claim 6, wherein the apparatus comprises: the second end face ratchet wheel (232) penetrates through a through hole in the middle of the first end face ratchet wheel (223) arranged at the upper end of the shoulder upright post (221) through a threaded end of the lower jaw cross beam (23) and is coaxially meshed with the first end face ratchet wheel (223), and the angle of the lower jaw support plate (231) can be adjusted by adjusting different tooth positions of the first end face ratchet wheel (223) and the second end face ratchet wheel (232) to be meshed.

9. The apparatus of claim 1, wherein the apparatus comprises: cervical vertebra pillow (1) be recess column structure, the middle position in bottom is provided with strengthening rib (12), highly being provided with the bar mounting hole that corresponds with cervical vertebra pillow (1) side waist type groove (11) on strengthening rib (12), cervical vertebra pillow (1) sets up in operation table (5) side, pillow fixed band (3) pass waist type groove (11) and bar mounting hole and bind cervical vertebra pillow (1) on operation table (5).

10. The apparatus of claim 1, wherein the apparatus comprises: the cervical vertebra pillow (1) front end be provided with elasticity forehead fixed band (4), elasticity forehead fixed band (4) both ends penetrate spacing ear (13) of cervical vertebra pillow (1) both sides respectively and are fixed in cervical vertebra pillow (1) recess with patient's forehead.

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