CN111407586A - Head fixer for children - Google Patents

Abstract

The invention relates to the field of medical instruments, and particularly discloses a child head fixator. The dental chair comprises a mounting unit and a fixing unit, wherein the mounting unit comprises a base and a pressing piece, and the pressing piece is fixed with the base and can fix the base on the dental chair; the fixed unit comprises an upper limiting component and a lower limiting component, the upper limiting component is connected with the base, the base is provided with an upper fixing component for fixing the upper limiting component, the lower limiting component is located below the upper limiting component, the lower limiting component comprises a positioning block and a limiting block for containing the lower jaw of a child, the positioning block is connected with the base, the base is provided with a lower fixing component for fixing the positioning block, the limiting block is connected with the positioning block in a sliding mode, and the positioning block is provided with a locking component for pushing the limiting block. The fixer of the invention can replace manual work to limit the head of the child, and prevent the child from swinging and rotating the head in the checking and treating process.

Description

child head immobilizer

technical field

The invention relates to the field of medical aids, in particular to a head immobilizer for children.

Background technique

Most children will feel afraid of the hospital, especially during oral examination and treatment, because the treatment may cause pain, children are easy to struggle and twist under the fear, especially during the treatment process, even if the children are artificially restrained. , so that the child cannot break free from the dental chair. In order to keep away from the forceps, burs and other instruments, the child will constantly swing and turn the head, which makes the doctor unable to treat. In addition, if the child swings his head when tools such as tweezers and burs are inserted into the oral cavity, it is easy to cause the tweezers, burs and other instruments to cause damage to the child's oral cavity; and during root canal treatment, if the child swings his head, It may also make it difficult for the doctor to hold the root canal enlargement needle, causing the root canal enlargement needle to fall off the forceps, stab the mouth or even get stuck in the throat of the child, which will adversely affect the safety of the child's life.

Therefore, when treating severely struggling children, the child is usually restrained by the child's guardian or medical staff. However, when performing a long-term examination and oral treatment, it is difficult to restrain the child for a long time due to the limited strength of the guardian. ; And for children aged 8 to 10 years, the strength of the child is large, and it is difficult for a female guardian to completely restrain the child, and it is more difficult to fix the head of the child while restraining the body of the child. Note that it will not be able to restrain the child's head, causing the child's head to turn or swing, causing the device to cause damage to the child's mouth.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fixer that can replace the artificial restraint of the child's head, so as to prevent the child from swinging and rotating the head during the inspection and treatment process, causing the device to cause damage to the child's oral cavity.

In order to achieve the above object, the technical scheme of the present invention is: the head immobilizer for children includes an installation unit and a fixing unit, the installation unit includes a base and a pressing piece, and the pressing piece is fixed with the base and can fix the base on the dental chair; The fixing unit includes an upper limit piece and a lower limit assembly, the upper limit piece is connected to the base and an upper fixing piece for fixing the upper limit piece is arranged on the base, the lower limit assembly is located below the upper limit piece, and the lower limit assembly includes a positioning block and A limit block for accommodating the lower jaw of a child, the positioning block is connected with the base and a lower fixing piece for fixing the positioning block is arranged on the base, the limit block is slidably connected with the positioning block, and the positioning block is provided with a push-limit block. locking piece.

The beneficial effects of this program are:

1. The upper limiter in this scheme fixes the upper part of the child's head to prevent the child's head from swinging forward, backward, left and right. After the child's mandible is placed in the limit block, the limit block can prevent the child's Turn the head to avoid damage to the child's mouth caused by instruments such as tweezers and burs. At the same time, there is no need to manually fix the child, which reduces the workload of the guardian or medical staff, and also prevents the guardian or medical staff from using excessive force to cause injury to the child.

2. The pressing piece can fix the base on the dental chair, preventing the base from moving relative to the dental chair, causing the child's head to move, and further preventing the child's head from moving.

Further, the base includes a base body and an adjustment seat rotatably connected with the base body, the pressing member is connected with the base body, and both the upper limit piece and the lower limit assembly are connected with the adjustment seat.

The beneficial effect of this scheme is that medical staff need to face the child's mouth when treating the child, and when the child's height is small, the medical staff needs to bend or squat to lower their height to face the child's mouth. In this scheme, the child's head is fixed with the adjustment seat, and the medical staff can turn the adjustment seat to drive the child's head to tilt up to a certain angle, and the child's mouth can be directly faced without the medical personnel lowering or excessively lowering their own height. During long-term treatment, reduce the fatigue caused by the medical staff bending over or squatting for a long time.

Compared with directly adjusting the backrest of the dental chair, this solution adjusts the angle of the child's head by adjusting the seat, which can avoid the child's sudden weightlessness when the backrest is adjusted, and prevent the child from being frightened.

Further, two protruding blocks are fixed on the base body, and a screw rod is laterally fixed on the adjusting seat. The screw rod penetrates through the two protruding blocks and is rotatably connected with the protruding blocks. The blocks are in contact with the protruding blocks, and the adjusting rod is threadedly connected with the rotating shaft.

The beneficial effects of this solution are: the adjusting rod in this solution can squeeze the elastic block to the side close to the convex block, so that the elastic block is deformed, and the friction force between the elastic block, the rotating shaft and the convex block is increased, so that the elastic block is deformed. It is difficult to rotate with the rotating shaft and between the elastic block and the convex block, so as to realize the fixation of the adjustment seat. After the adjustment seat is rotated, the rotation of the adjustment seat can be prevented without medical personnel holding the adjustment seat by hand.

Further, the axial cross section of the adjusting rod is T-shaped, the diameter of the vertical section of the adjusting rod is larger than the diameter of the transverse section, and the outer wall of the vertical section is provided with several anti-skid lines.

The beneficial effects of the solution are: the larger diameter of the vertical section is more convenient for medical personnel to adjust, the anti-slip pattern plays an anti-slip effect, prevents medical personnel from slipping during operation, and the adjustment is more convenient.

Further, an accommodating groove with an opening facing the adjusting rod is provided on the convex block abutting against the elastic block, and the end of the elastic block is located in the accommodating groove.

The beneficial effects of this scheme are: when the elastic block is squeezed by the adjusting rod, the elastic block is deformed in the axial and radial directions at the same time, the accommodating groove in this scheme is in contact with the end and the outer wall of the elastic block at the same time, and the accommodating groove is in contact with the elastic block. The pressure between the blocks is greater, and the frictional force between the accommodating groove and the elastic block is further increased.

Further, an eyecup is fixed on the upper stopper.

The beneficial effects of this solution are: the eye mask can block the vision of children, prevent children from seeing instruments such as forceps, burs, and root canal enlargement needles, and prevent the instruments from further increasing children's sense of fear, thereby preventing children from continuing to struggle.

Further, two ear cups are fixed on the upper limit piece or the base.

The beneficial effect of the solution is that the earmuffs can block the sound of the bur working and the sound produced by the replacement of the equipment, so as to prevent these sounds from further increasing the child's sense of fear.

Further, a placing plate is fixed on the side of the upper limit piece away from the base.

The beneficial effects of this solution are: the placing plate can be used for medical personnel to place instruments such as tweezers, burs and the like, and because the placing plate is close to the doctor, it is convenient to place.

Further, a first magnet is fixed on the placing plate.

The beneficial effects of this solution are: in actual use, another magnet can be placed above the plate body of the storage tool, and after the plate body is placed on the placement plate, under the action of the two magnets, the plate body can be prevented from sliding relative to the placement plate , thus preventing the tool from falling.

Further, the pressing member includes a pressing rod and an L-shaped pressing block, the pressing block is fixed with the base, the pressing rod is perpendicular to the base and penetrates the pressing block, and the pressing rod is threadedly connected with the pressing block; the pressing rod is close to one end of the base There is a pressure block in the rotating connection.

The beneficial effects of this solution are: the base can be quickly fixed on the dental chair by rotating the pressure rod, and when the pressure rod rotates, the pressure block can abut against the dental chair, and the pressure rod rotates relative to the pressure block, thereby preventing the pressure rod from being directly connected to the dental chair. To avoid damage to the dental chair when the pressure rod is rotated.

Description of drawings

Fig. 1 is the left longitudinal sectional view of Embodiment 1 of the present invention;

Fig. 2 is the top view of the pressing block in Fig. 1;

Fig. 3 is the partial longitudinal sectional view of the pressing block when the connecting shaft is arranged on the pressing block;

Fig. 4 is the right side view of the limit block in Fig. 1;

5 is a left longitudinal cross-sectional view of Embodiment 2 of the present invention;

FIG. 6 is a right side longitudinal sectional view of the screw in FIG. 5 .

Detailed ways

The following is further described in detail by specific embodiments:

Reference numerals in the accompanying drawings include: base 1, upper fixing member 11, base body 12, adjusting seat 13, convex block 14, screw 15, accommodating groove 16, elastic block 17, adjusting rod 18, upper limit piece 2, upper Buffer pad 21, eye mask 22, placement plate 23, first magnet 24, positioning block 3, limit block 31, groove 32, lower buffer pad 33, locking piece 34, pressing block 4, pressing rod 41, pressing block 42. Anti-skid pad 43, connecting shaft 44, clamping block 45, guide rod 5.

Example 1

The head immobilizer for children, as shown in Figure 1, includes a mounting unit and a fixing unit. The mounting unit includes a base 1 and a pressing piece, and the pressing piece includes a pressing rod 41 and a pressing block 4, as shown in Figure 2, pressing The block 4 is L-shaped, and the pressing block 4 is welded to the left end of the base 1 . The pressing rod 41 is perpendicular to the base 1 and penetrates the pressing block 4 . The right end of the pressing rod 41 is connected with a pressing block 42, the left end of the pressing block 42 is hinged with the right end of the pressing rod 41, and the right wall of the pressing block 42 is glued with a non-slip pad 43. The anti-skid pad 43 in this embodiment is made of elastic rubber material. In a specific implementation, as shown in FIG. 3 , a T-shaped connecting shaft 44 may also be welded on the left end of the pressing block 42 . The right end of the pressing rod 41 is provided with a connecting groove with an opening facing the pressing block 42, the vertical section of the left end of the connecting shaft 44 is located in the connecting groove, and the inner diameter of the connecting groove is slightly larger than the outer diameter of the vertical section, so that the pressing rod 41 can be opposed to the pressing block. 42 is rotated, and the opening at the right end of the connecting groove is welded with a blocking block 45, which cooperates with the vertical section of the connecting shaft 44 to prevent the connecting shaft 44 from coming out of the connecting groove.

As shown in FIG. 1 , the fixing unit includes an upper limit member 2 and a lower limit assembly. In this embodiment, the upper limit member 2 is plate-shaped, and the upper section of the upper limit member 2 is hinged with the upper end of the base 1 , and the upper limit member 2 and the base 1 . There is a torsion spring in between, and the two straight torsion arms of the torsion spring are welded on the base 1 and the upper limit piece 2 respectively. The upper buffer pad 21 is glued to the side wall of the upper limit piece 2 facing the base 1, and the eye mask 22 is glued to the upper limit piece 2. The base 1 is provided with two earmuff units, and the two earmuff units are located at the upper limit position respectively. both sides of piece 2. The earmuff unit includes an earmuff and an elastic cord. One end of the elastic cord is glued to the base 1, and the other end is glued to the earmuff or fixed to the earmuff by needle and thread. One end of the upper limit member 2 is provided with a first fixing hole, the base 1 is provided with a first threaded hole aligned with the first fixing hole, the base 1 is provided with an upper fixing member 11, and the upper fixing member 11 in this embodiment adopts bolts , when the upper limit piece 2 is rotated until the first fixing hole is aligned with the first threaded hole, the upper limit piece 2 can be fixed on the base 1 by screwing the bolt into the first fixing hole and the first threaded hole. A placing plate 23 is laterally welded on the side of the upper limit member 2 away from the bottom plate, and a first magnet 24 is embedded in the placing plate 23 . Specifically, the first magnet 24 in this embodiment adopts a permanent magnet. In the specific implementation, the upper positioning member 2 can also use an elastic band, one end of the elastic band is glued on the base 1, and the other end is glued with a plug. It is glued on the base 1, and the latch and the latch can adopt a structure similar to the connection buckle on the car seat belt, and the elastic belt can be fixed by inserting the latch into the jack.

The lower limit component is located below the upper limit piece 2, the lower limit component includes a positioning block 3 and a limit block 31, the left end of the positioning block 3 is hinged with the base 1, the right end of the positioning block 3 is provided with a second fixing hole, and the base 1 is provided with a second fixing hole. The two fixing holes are aligned with the second threaded hole, the base 1 is provided with a lower fixing member, and the lower fixing member in this embodiment adopts a bolt.

The limit block 31 is located above the positioning block 3, and a groove 32 for accommodating the lower jaw of the child is provided on the top of the limit block 31, and a lower buffer pad 33 is glued in the groove 32. Specifically, the upper buffer in this embodiment is Both the pad 21 and the lower buffer pad 33 are made of sponge material. As shown in FIG. 4 , both the left and right ends of the limit block 31 are vertically welded with guide rods 5 . The guide rods 5 pass through the positioning block 3 and a gap is provided between the guide rod 5 and the positioning block 3 for the guide rod 5 to slide. The block 3 is threadedly connected with a locking piece 34 , the locking piece 34 is located below the limiting block 31 , and the upper end of the locking piece 34 is in contact with the bottom of the limiting block 31 .

As shown in Figure 1, the specific implementation process of this embodiment is as follows:

Initially, the upper positioning member 2 has a certain angle with the base 1 under the action of the torsion spring. When using, manually install the holder on the backrest of the dental chair, and install the base 1 facing the child's head. During installation, the ends of the base 1 and the pressing block 4 away from the base 1 are located on the two sides of the backrest of the dental chair, respectively. Then rotate the pressing rod 41 to move the pressing rod 41 to the side close to the backrest of the dental chair, and press the pressing block 42 against the backrest of the dental chair. When the pressure between the pressure block 42 and the dental chair is large, the friction force between the pressure block 42 and the dental chair is large, and the pressure rod 41 rotates relative to the pressure block 42 to reduce the friction effect on the dental chair. Avoid excessive wear and tear of the dental chair after prolonged use.

Then, after the child's back rests on the backrest of the dental chair, manually turn the upper limiter 2 downward, and screw the bolts into the aligned first fixing holes and the first threaded holes to realize the fixation of the upper limiter 2 , at this time, the upper limit member 2 limits the upper part of the child's head to prevent the child's head from swinging from side to side. At this time, the eye mask 22 is facing the eyes of the child to block the sight of the child, and the earmuffs are artificially worn on the ears of the child to block external sounds.

Then screw the lower fixing piece into the aligned second fixing hole and the second threaded hole to fix the positioning block 3, and then keep the child in an open mouth posture, and use an opener to restrict the child's mouth, and quickly. Rotate the locking piece 34 so that the locking piece 34 pushes the limiting block 31 upwards until the child's lower jaw is located in the groove 32. At this time, the child's lower jaw is restricted by the groove 32 and cannot rotate. Fixing of the part.

During the treatment, the plate body on which the tweezers, cotton balls, burs and other instruments are placed can be placed on the placing plate 23, and an iron block or permanent magnet can be placed on the placing plate 23, so that the iron block or permanent magnet is adsorbed on the first plate 23. On a magnet 24, at this time, the disc body is subjected to the pressure between the first magnet 24 and the iron block or the permanent magnet, so as to prevent the disc body from slipping off the placing plate 23, and instruments such as tweezers, cotton balls, and burs are placed on the placing plate. 23 is more convenient to use.

After the treatment, first remove the plate body and the mouthpiece on the mouth of the child, then take out the upper fixing piece 11, the lower fixing piece and the earmuffs, and swing the lower fixing piece in the opposite direction. The upper fixing piece 11 moves upward under the action of the torsion spring. Swing, relax the child, and finally rotate the pressing rod 41 in the opposite direction, so that the pressing rod 41 can move to the side away from the backrest of the dental chair, and the fixture can be removed from the dental chair at this time.

Example 2

The difference from Embodiment 1 is that, as shown in FIG. 5 , the base 1 in this embodiment includes a base body 12 and an adjusting seat 13 . The adjusting base 13 in this embodiment is hinged to the right wall of the base body 12 , and the pressing block 4 is welded. on the base body 12 . The upper limit member 2 , the upper fixing member 11 , the lower limit assembly and the lower fixing member are all installed on the adjustment base 13 , and the connection method is the same as that of the connection with the base 1 in the first embodiment.

The right end of the base body 12 is integrally formed with two protruding blocks 14 , and the left wall of the adjusting seat 13 is welded with a screw rod 15 transversely. . As shown in FIG. 6 , the two protrusions 14 are located on the left and right sides of the adjusting seat 13 respectively, and the left and right ends of the screw rod 15 are provided with T-shaped adjusting rods 18 . Taking the adjusting rod 18 on the left as an example, the adjusting rods 18 are set The diameter of the vertical section of the adjusting rod 18 is larger than the diameter of the transverse section, and the outer wall of the vertical section is provided with several anti-skid lines. The convex block 14 is provided with an accommodating groove 16 whose opening faces the adjustment rod 18 , and an annular elastic block 17 is arranged in the accommodating groove 16 . The outer wall of the elastic block 17 is in contact with the side wall of the accommodating groove 16 , and the right end of the adjusting rod 18 is located in the accommodating groove 16 and abuts against the left end of the elastic block 17 .

During the use of the fixer in this embodiment, the adjusting seat 13 can be rotated along the hinge joint between the adjusting seat 13 and the base 12 to change the angle of the child's head being raised, which is convenient for medical personnel to perform treatment, and the adjusting seat 13 needs to be fixed. When the adjustment rod 18 is selected to the side close to the elastic block 17, the elastic block 17 can be squeezed and deformed, and the pressure between the elastic block 17 and the side wall of the accommodating groove 16 can be increased, thereby increasing the elastic block 17 The frictional force with the accommodating groove 16 makes the elastic block 17 unable to rotate relative to the accommodating groove 16 , and the screw 15 fixed to the elastic block 17 and the adjusting seat 13 fixed to the screw 15 cannot rotate, realizing the fixing of the adjusting seat 13 . Apart from this, other operation methods in this embodiment are the same as those in Embodiment 1, and are not repeated in this embodiment.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present invention, and these should also be regarded as the present invention. the scope of protection, these will not affect the effect of the implementation of the present invention and the practicability of the patent. The technologies, shapes, and structural parts whose description is omitted in the present invention are all well-known technologies.

Claims (10)

1. The head immobilizer for children is characterized in that: it comprises an installation unit and a fixing unit, the installation unit comprises a base and a pressing member, and the pressing member is fixed with the base and can fix the base on a dental chair; the described The fixing unit includes an upper limit piece and a lower limit assembly, the upper limit piece is connected to the base and an upper fixing piece for fixing the upper limit piece is arranged on the base, the lower limit assembly is located below the upper limit piece, and the lower limit assembly It includes a positioning block and a limiting block for accommodating the lower jaw of the child, the positioning block is connected with the base and a lower fixing piece for fixing the positioning block is arranged on the base, the limiting block is slidably connected with the positioning block, and the positioning The block is provided with a locking piece for pushing the limit block. 2 . The head restraint for children according to claim 1 , wherein the base comprises a base body and an adjusting seat rotatably connected with the base body, the pressing member is connected with the base body, and the upper limit member and the lower limit position are connected to the base body. 3 . The components are all connected with the adjustment seat. 3 . The head restraint for children according to claim 2 , wherein two protruding blocks are fixed on the base body, and a screw rod is laterally fixed on the adjusting seat, and the screw rod penetrates through the two protruding blocks and is connected with the two protruding blocks. 4 . The protruding block is connected in rotation, the screw rod is sleeved with an adjusting rod and an elastic block, the elastic block is located between the adjusting rod and the protruding block and abuts against the protruding block, and the adjusting rod is threadedly connected with the rotating shaft. 4 . The head restraint for children according to claim 3 , wherein the cross section of the adjusting rod in the axial direction is T-shaped, and the diameter of the vertical section of the adjusting rod is larger than the diameter of the horizontal section and the vertical section is vertical. 5 . The outer wall of the straight section is provided with several anti-skid patterns. 5 . The head restraint for children according to claim 3 , wherein an accommodating groove with an opening facing the adjusting rod is formed on the protrusion abutting against the elastic block, and the end of the elastic block is located in the accommodating groove. 6 . 6 . The head immobilizer for children according to claim 1 , wherein an eye mask is fixed on the upper positioning member. 7 . 7 . The head restraint for children according to claim 6 , wherein two earmuffs are fixed on the upper limit piece or the base. 8 . 8 . The head restraint for children according to claim 7 , wherein a placing plate is fixed on a side of the upper limit piece away from the base. 9 . 9 . The head restraint for children according to claim 8 , wherein a first magnet is fixed on the placing plate. 10 . 10 . The head restraint for children according to claim 1 , wherein the pressing member comprises a pressing rod and an L-shaped pressing block, the pressing block is fixed to the base, and the pressing rod is perpendicular to the base. 11 . The base runs through the pressing block, and the pressing rod is screwed with the pressing block; and one end of the pressing rod close to the base is rotatably connected with the pressing block.

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