CN211933990U

CN211933990U - Medical mouth mirror

Info

Publication number: CN211933990U
Application number: CN202020179341.0U
Authority: CN
Inventors: 李宗璟; 周炜; 杨番
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-11-17
Anticipated expiration: 2030-02-18

Abstract

The utility model provides a medical mouth mirror, includes mouth mirror, telescopic connecting plate and two parallel arrangement's expansion board, the both ends difference fixed connection of connecting plate is two expansion board's top surface, two expansion board's inboard are connected with two sets of flexible pieces, and the middle part of expansion board bottom surface all is provided with rotatable support semi-ring, and is two sets of the inboard of flexible piece is provided with and is used for adjusting two support the drive mechanism of semi-ring interval, the underrun rotatable connecting rod of connecting plate is connected mouth mirror, the top surface of connecting plate are provided with and are used for control drive mechanism and rotation the adjustment mechanism of connecting rod. The utility model can assist the opening degree of the mouth of the patient through the supporting semi-rings with adjustable space, and avoid muscle fatigue of the patient; meanwhile, the direction of the mouth mirror and the depth of the mouth mirror extending into the oral cavity are adjustable, and the examination and treatment efficiency of the oral cavity is improved.

Description

Medical mouth mirror

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a medical mouth mirror.

Background

The dental stomatoscope is a tool for auxiliary examination of diseased teeth at the inner side of an oral cavity, the stomatoscope is more and more widely applied in various hospitals and clinics, the existing stomatoscope has a very simple structure, a reflector is arranged on a handle, a new mode is brought for examination and treatment in the aspect of the oral cavity, and when the diseased scene of a patient is displayed in front of the patient, more description or professional knowledge is not needed. The patient can also understand the urgency of the treatment.

The oral treatment is different from other trauma treatments, because the oral structure is special, the treatment operation of doctors mostly needs the assistance of an oral scope, but because the mouth opening state needs to be kept for a long time during the treatment, a patient can not maintain the state due to muscle weakness, and the patient can bite independently without intention, so that the treatment process is not smooth; therefore, it is desirable to provide a stomatoscope for oral medicine, which can assist the oral treatment process by using the stomatoscope and the dilator in combination to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a medical mouth mirror, concrete technical scheme is:

the utility model provides a medical mouth mirror, includes mouth mirror, telescopic connecting plate and two parallel arrangement's expansion board, the both ends difference fixed connection of connecting plate is two expansion board's top surface, two expansion board's inboard are connected with two sets of flexible pieces, and the middle part of expansion board bottom surface all is provided with rotatable support semi-ring, and is two sets of the inboard of flexible piece is provided with and is used for adjusting two support the drive mechanism of semi-ring interval, the underrun rotatable connecting rod of connecting plate is connected mouth mirror, the top surface of connecting plate are provided with and are used for control drive mechanism and rotation the adjustment mechanism of connecting rod.

Further, flexible piece is including fixing fixed block and the sliding block on two expansion boards respectively, be provided with in the fixed block with sliding block assorted slot, the end-to-end connection of sliding block has the stopper to make the sliding block inject and slide in the slot.

Further, the transmission mechanism comprises a driving gear and two racks, the racks are respectively arranged on the inner sides of the two sliding blocks, and the driving gear is arranged between the two racks and meshed with the two racks.

Further, adjustment mechanism includes dwang, square pole and rotatory piece, rotatory piece rotationally runs through the middle part that sets up at the connecting plate, the bottom surface of rotatory piece and drive gear's top surface fixed connection, the top surface of rotatory piece seted up with square pole assorted quad slit, drive gear, rotatory piece and square pole all along vertical direction run through seted up with connecting rod assorted plain noodles hole, the bottom surface of dwang is equipped with the long screw rod, the connecting rod be equipped with along the axial with long screw rod assorted screw hole to make the dwang be connected with connecting rod accessible long screw rod.

Furthermore, the support semi-ring is connected with an adjusting rod, and the adjusting rod is connected with a rotating ring used for rotating the support semi-ring.

Furthermore, the connecting plate is two plates connected through a sliding pair or two plates connected through a soft folding plate.

Has the advantages that:

the utility model can assist the opening degree of the mouth of the patient through the supporting semi-rings with adjustable space, and avoid muscle fatigue of the patient; meanwhile, the direction of the mouth mirror and the depth of the mouth mirror extending into the oral cavity are adjustable, and the examination and treatment efficiency of the oral cavity is improved.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic view of the transmission mechanism of the present invention.

Fig. 3 is an exploded schematic view of the adjusting mechanism of the present invention.

Fig. 4 is a schematic view of the rotary block of the present invention.

In the figure: 1 expansion board, 2 connecting plates, 3 mouth mirrors, 4 connecting rods, 5 supporting semi-rings, 6 adjusting rods, 7 rotating rings, 8 short rods, 9 fixing blocks, 10 sliding blocks, 11 inserting grooves, 12 limiting blocks, 13 racks, 14 driving gears, 15 rotating rods, 16 square rods, 17 rotating blocks, 18 square holes, 19 long screws, 20 smooth surface holes and 21 threaded holes.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

as shown in fig. 1, a medical mouth mirror comprises a mouth mirror 3, a telescopic connecting plate 2 and two expansion plates 1 arranged in parallel, wherein two ends of the connecting plate 2 are respectively and fixedly connected to the top surfaces of the two expansion plates 1, the inner sides of the two expansion plates 1 are connected with two sets of telescopic blocks, the middle part of the bottom surface of the expansion plates is provided with a rotatable supporting semi-ring 5, the inner sides of the two sets of telescopic blocks are provided with a transmission mechanism for adjusting the distance between the two supporting semi-rings 5, the bottom surface of the connecting plate 2 is connected with the mouth mirror 3 through a rotatable connecting rod 4, and the top surface of the connecting plate 2 is provided with an adjusting mechanism for controlling the transmission mechanism and rotating the connecting.

In this embodiment, the support half ring 5 is in the shape of a semicircular ring, and acts on the upper and lower lips or teeth of the patient when the mouth is opened, so as to assist the patient to keep the mouth opened; the support semi-ring 5 is connected with an adjusting rod 6, the adjusting rod 6 is connected with a rotating ring 7 used for rotating the support semi-ring 5, and the rotating ring 7 is fixedly connected with the expansion plate 1 through a short rod 8. The rotating rings 7 can be two circular rings connected through a rotating shaft, the upper circular ring is fixedly connected with the bottom end of the short rod 8, the lower circular ring is fixedly connected with the top end of the adjusting rod 6, and the lower circular ring can rotate around the rotating shaft, so that the support semi-ring 5 can rotate to adapt to different use directions.

In this embodiment, the connecting plate 2 is two plates connected by a sliding pair, and the sliding pair can be a sliding rail or a sliding chute used in cooperation; in another embodiment, the connecting plate 2 is two plates connected by a soft folding plate, and the folding plate can be folded or unfolded to enable the connecting plate 2 to achieve the function of extension and retraction.

In this embodiment, the expansion block is disposed at the top of the inner side of the expansion board 1 so as to be flush with the surface of the expansion board 1. The expansion block comprises a fixed block 9 and a sliding block 10 which are respectively fixed on the two expansion plates 1, wherein the left end of the fixed block 9 is fixedly connected with the left expansion plate 1, and the right end of the sliding block 10 is fixedly connected with the right expansion plate 1. The fixed block 9 is internally provided with a slot 11 matched with the sliding block 10, so that the sliding block 10 can slide in the fixed block 9; the end connection of sliding block 10 has stopper 12, be provided with the limit baffle who is used for blockking stopper 12 in the slot 11 to make sliding block 10 inject and slide in slot 11.

As shown in fig. 2, the transmission mechanism includes a driving gear 14 and two racks 13, the racks 13 are respectively disposed inside the two sliding blocks 10, and the driving gear 14 is disposed between the two racks 13 and is engaged with the two racks 13. When the driving gears 14 are fixed relatively and rotate, the racks 13 on both sides are driven to move oppositely or reversely, the sliding block 10 slides in the slot 11 under the push of the two racks 13, and simultaneously, the connecting plate 2 synchronously extends and retracts, so that the relative position of the support half rings 5 connected to the expansion plate 1 is changed.

As shown in fig. 2-4, the adjusting mechanism includes a rotating rod 15, a square rod 16 and a rotating block 17, the rotating block 17 is rotatably disposed through the middle portion of the connecting plate 2, and the bottom surface of the rotating block 17 is fixedly connected with the top surface of the driving gear 14, so that the position of the driving gear 14 is relatively fixed. A square hole 18 matched with the square rod 16 is formed in the top surface of the rotating block 17 in a downward concave mode, the square rod 16 is inserted into the square hole 18, and when the square rod 16 is rotated, the rotating block 17 can drive the driving gear 14 to rotate; the driving gear 14, the rotating block 17 and the square rod 16 are all provided with smooth surface holes 20 which are matched with the connecting rod 4 in a penetrating manner along the vertical direction, and the connecting rod 4 is inserted into the driving gear 14, the rotating block 17 and the square rod 16 from bottom to top through the smooth surface holes 20 and can rotate in the smooth surface holes 20; the bottom surface of dwang 15 is equipped with long screw rod 19, connecting rod 4 is equipped with along the axial with long screw rod 19 assorted screw hole 21 to make dwang 15 and connecting rod 4 be connected through long screw rod 19, thereby the direction of mouth mirror 3 is adjusted in the rotation of accessible dwang 15, and the degree of depth in adjustment long screw rod 19 screw in screw hole 21, then the degree of depth that adjustable mouth mirror 3 can stretch into the oral cavity.

When in use, the length of the mouth mirror 3 which can extend into the oral cavity is adjusted in advance through the long screw rod 19; the support half rings 5 are respectively clamped corresponding to the upper lip and the lower lip of a patient when the mouth is opened, the square rod 16 is rotated to rotate the knob block and drive the driving gear 14 to rotate, and therefore the distance between the two support half rings 5 is adjusted to adapt to the opening degree of the mouth of the patient; the direction of the mouth mirror 3 is adjusted by rotating the rotating rod 15 so as to adapt to different observation angles.

Claims

1. A medical mouth mirror which is characterized in that: including mouth mirror, telescopic connecting plate and two parallel arrangement's expansion board, the both ends of connecting plate are fixed connection respectively two expansion board's top surface, two expansion board's inboard is connected with two sets of flexible pieces, and the middle part of expansion board bottom surface all is provided with rotatable support semi-ring, and is two sets of flexible piece's inboard is provided with and is used for adjusting two support the drive mechanism of semi-ring interval, the underrun of connecting plate is connected through rotatable connecting rod mouth mirror, the top surface of connecting plate is provided with and is used for control drive mechanism and rotation the adjustment mechanism of connecting rod.

2. A medical mouth mirror according to claim 1, characterized in that: the telescopic block comprises a fixed block and a sliding block which are respectively fixed on the two expansion plates, slots matched with the sliding block are arranged in the fixed block, and the tail ends of the sliding blocks are connected with limit blocks so that the sliding blocks are limited in the slots to slide.

3. A medical mouth mirror according to claim 2, characterized in that: the transmission mechanism comprises a driving gear and two racks, the racks are respectively arranged on the inner sides of the sliding blocks, and the driving gear is arranged between the two racks and meshed with the two racks.

4. A medical mouth mirror according to claim 3, characterized in that: adjustment mechanism includes dwang, square pole and rotatory piece, rotatory piece rotationally runs through the setting at the middle part of connecting plate, the bottom surface of rotatory piece and drive gear's top surface fixed connection, the top surface of rotatory piece seted up with square pole assorted quad slit, drive gear, rotatory piece and square pole all along vertical direction run through seted up with connecting rod assorted plain noodles hole, the bottom surface of dwang is equipped with the long screw rod, the connecting rod be equipped with along the axial with long screw rod assorted screw hole to make dwang and connecting rod accessible long screw rod be connected.

5. A medical mouth mirror according to claim 1, characterized in that: the support semi-ring is connected with an adjusting rod, and the adjusting rod is connected with a rotating ring used for rotating the support semi-ring.

6. A medical mouth mirror according to claim 1, characterized in that: the connecting plate is two plates connected through a sliding pair or two plates connected through a soft folding plate.