CN209285507U - Mouth opening measuring scale - Google Patents

Abstract

The utility model discloses a kind of mouth opening measuring scales, including the first measurement arm, the second measurement arm, gage and gage wrap-up；Described first, which measures arm and the second measurement arm, is arranged to scissor structure by middle interconnecting piece；On the first measurement arm, the gage is flexible ruler for the gage wrap-up setting, one end of which is fixed on the top of the second measurement arm, top and gage wrap-up solderless wrapped connection of the other end around the first measurement arm.The utility model uses the mouth opening measuring instrument of scissor structure, top by opening two measurement arms carries out proportion to lower teeth alveolus (cut end) position on the oral cavity of the measured, the numerical value of mouth opening can be accurately measured, entire measurement process is simply, conveniently, different wrong deformities can be measured accurately, it does not need entire measuring apparatus extending into cavity interior, avoids instrument and excessively protrude into discomfort caused by oral cavity.

Description

Mouth opening measuring scale

Technical field

The utility model belongs to a kind of measuring apparatus, and in particular to a kind of mouth opening measurement for the measurement of oral cavity mouth opening Ruler.

Background technique

Oral submucosa fibrosis, temporomandibular joint disease and maxillofacial trauma etc. usually will appear limitation of mouth opening, clinically It is required that the treatment of patient compliance's Open mouth training is to restore mouth opening, it is necessary to which the measuring scale of mouth opening compares in therapeutic process to facilitate Change or other clinically need to measure mouth opening size.The mouth opening measuring scale sold currently on the market is less, profession Mouth opening size be to need to measure maximum distance of central incisor cut end up and down when dehiscing.Commonly use the finger of patient clinically to survey Opening degree size is measured, such as mouth opening one refers to, two refer to that the error that this mode measures is big, compares in therapeutic process for observing The variation of mouth opening size is even more inaccurate.It in addition is with common ruler measurement come mouth degree size there are also a kind of mode, simply Ruler or set square, which are not easy to extend into oral cavity, to be compared, and measurement is very unstable, and manipulation accuracy is not high, needs to grow repeatedly The measurement of time is easy to make patient to dehisce overlong time, leads to the fatigue of muscle or joint and influence the accurate of the measurement dehisced Property.

Application No. is 2015205502470,2016206485852,2011103121979 these three patent applications difference Three kinds of opening degree measuring scales are disclosed, opening degree (i.e. mouth opening) size can be measured, but it is actually the upper incisor measured With (diagonal distance) at a distance from lower incisor cut end, rather than upper incisor cut end is away from parallel with lower jaw plane where lower incisor cut end Plane vertical range (vertical range), when the measured exists instead and when the wrong deformity such as deep covering, such measurement mistake Difference is bigger.And not the bigger mouth opening of diagonal distance is better, and vertical range can more react mouth opening size compared with diagonal distance Quality；When the measured mouth opening is larger, measuring apparatus can occur in the above three, and to enter oral cavity excessive and cause discomfort.

Summary of the invention

The technical issues of the utility model solves is: for drawbacks described above existing for existing opening degree measurement method, mentioning For a kind of novel mouth opening measuring scale, the vertical range of oral cavity mouth opening can be rapidly and accurately measured, and not by mistake etc. Teratogenic effect.

The utility model adopts the following technical solution realizes:

Mouth opening measuring scale, including the first measurement arm 1, second measure arm 2, gage 5 and gage wrap-up 6；Described One measurement arm 1 and the second measurement arm 2 pass through middle interconnecting piece 3 and are arranged to scissor structure；The gage wrap-up 6 setting is the On one measurement arm 1, the gage 5 is flexible ruler, and one end of which is fixed on the top of the second measurement arm 2, the other end is surveyed around first Measure top and 6 solderless wrapped connection of gage wrap-up of arm 1.

Further, described first the telescopic rod 21 that adjustable length is provided on arm 1 or the second measurement arm 2 is measured.

Further, the gage wrap-up 6 is to shake volume boxlike tape measure, box body and spool including installing around gage, institute State the rocking handle 61 that rotating scroll is provided on spool.

Further, the gage hook knob 62 for locking spool is additionally provided on the gage wrap-up 6.

In the mouth opening measuring scale of the utility model, the top of the first measurement arm 1 and the second measurement arm 2 leads to respectively Overwinding shaft swing is provided with the first socket plate 7 and the second socket plate 8.

Further, the positioning knob 72 of locking the first socket plate and the second socket plate is provided in the rotary shaft 71.

Further, first socket plate 7 and the second socket plate 8 are provided with corresponding tooth with the surface of teeth contact and cut Hold the broached-tooth design of positioning.

The utility model utilizes the mouth opening measuring instrument in scissor structure, utilizes the top tooth by opening two measurement arms Frid carries out proportion to lower teeth cut end on the oral cavity of the measured, does not need entire measuring apparatus extending into cavity interior, It is not in that enter oral cavity excessive and cause discomfort for measuring apparatus especially when the measured mouth opening is larger.Utilize connection Gage on measurement arm top measures the distance (vertical range) between upper lower teeth cut end, finally by entire measuring instrument Reading is carried out after taking-up can be obtained mouth opening data, can obtain accurate mouth opening numerical value.

Using the mouth opening measuring instrument of the utility model can measure upper incisor cut end away from where lower incisor cut end under The vertical range of the parallel plane of jaw plane can also measure anti-opening degree, or wrong abnormal when there is anti-or deep covering etc. When shape, arm can be measured with telescopic adjustment and be adapted to, more existing fixed gage measurement error is smaller.

From the above mentioned, the utility model is simple to operate, can accurately measure the numerical value of mouth opening, for different mistakes Deformity, such as: anti-, deep covering can be measured accurately, and avoided instrument from excessively protruding into oral cavity and caused discomfort.

Closing specific embodiment below in conjunction with attached drawing, the utility model is described in further detail.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the mouth opening measuring scale in embodiment.

Fig. 2 is the partial schematic diagram of the telescopic rod and gage wrap-up on the measurement arm in embodiment.

Fig. 3 is the gage on the measurement arm top in embodiment and the partial schematic diagram of socket plate.

Fig. 4 is the assembling schematic diagram of the socket plate in embodiment.

Fig. 5 is the surface partial structural diagram that the socket plate in embodiment is contacted with tooth cut end.

Figure label: 1- first measures arm, and 2- second measures arm, 21- telescopic rod, 3- middle interconnecting piece, the hand-held part 4-, 5- Gage, 6- gage wrap-up, 61- rocking handle, 62- gage hook knob, the first socket plate of 7-, 71- rotary shaft, 72- positioning rotation Button, the second socket plate of 8-.

Specific embodiment

Embodiment

Referring to Fig. 1, the mouth opening measuring scale in diagram is the preferred embodiment of the utility model, specifically includes the first measurement arm 1, the second measurement arm 2, middle interconnecting piece 3, hand-held part 4, gage 5, gage wrap-up 6, the first socket plate 7 and the second socket plate 8。

Specifically, the first measurement arm 1 is arranged to cutting for a similar scissors by middle interconnecting piece 3 with the second measurement arm 2 Structure is pitched, wherein middle interconnecting piece 3 is a pin shaft, and the top that the first measurement arm 1 and second measure arm 2 is measurement end, another End is hand-held part 4, the finger circle that passes through of setting finger, by operation hand-held part 4 when measurement, so that the first measurement arm 1 and second is surveyed The measurement end of amount arm 2 opens up into certain angle, then carries out proportion between the upper lower tooth of the measured.

Gage 5 is as the measurer for reading distance between the first measurement arm 1 and the measurement end of the second measurement arm 2, using flexibility Ruler, wherein one end is fixed on the top of the second measurement arm 2, and other end is around the top of the first measurement arm 1 and setting first 6 solderless wrapped connection of gage wrap-up being arranged on measurement arm 1, gage 5 is fixedly installed on the top of the first measurement arm 1, in the second measurement The top of arm 2 can be free to slide, to adapt to adjust the corresponding first measurement arm top of different length and the second measurement arm top The distance between, gage wrap-up 6 is used to carry out folding and unfolding to gage 5.

In conjunction with referring to fig. 2, the fixation of gage wrap-up 6 in the present embodiment is inlaid on the first measurement arm 1, using correspondence The miniature of first measurement 1 cross-sectional sizes of arm shakes volume boxlike tape measure comprising one accommodates the box body and spool of winding gage, and existing Some tape structures are similar, and 5 one end of gage is fixed on spool, can be by gage coiling in box body by rotating scroll.It is measuring The box portion outside of ruler wrap-up 6 is provided with the rocking handle 61 for rotating scroll, closes by the first measurement arm and the second measurement arm It, will be in extra gage length winding to the box body of gage wrap-up 6 by rocking handle 61 after getting up.Meanwhile it being wound in gage The spool of device 6 is mounted on box body by gage hook knob 62, is matched between gage hook knob 62 and spool by screw thread It closes, screws gage hook knob 62, spool can be locked and not rotated, can be avoided gage in this way and drawn under external force Out, it can also be used to fix gage in measurement process, convenient for taking out measuring scale from oral cavity, be carried out by the scale on gage quasi- Really reading, for the ease of accurately comparing the variation of mouth opening, the scale on gage is more suitable using cm or mm unit.

Gage 5 in the present embodiment can pass through the duct opened up inside the first measurement arm 1 and gage wrap-up 6 connects It connects, can also connect directly around the top of the first measurement arm 1 along the lateral surface and gage wrap-up 6 of the first measurement arm 1 It connects, this mode needs to avoid gage from the first measurement arm 1 in the slot position of the top setting positioning measuring scale of the first measurement arm 1 Top abjection.

For the different occluding relations of different measured person's tooth, the second measurement arm 2 also is arranged to stretch by the present embodiment Shrinking structure stretches if shown in specific 2, the second measurement arm 2 is two-part structure, and centre is connected by a telescopic rod 21 Screw thread adjustment telescopic bar or Multi-stage slide telescoping tube can be used in bar 21.It, can such as when measuring the opening degree of anti-person It is measured again after placed length with adjusting the second measurement arm 2 under corresponding to.

As shown in figure 3, can accurately be touched during proportion to improve the first measurement arm 1 and the second measurement arm 2 7 He of the first socket plate is respectively set on the top of the first measurement arm 1 and the second measurement arm 2 in the alveolus up and down of tooth, the present embodiment Second socket plate 8 is accurately touched on tooth using socket plate.The mounting structure phase of first socket plate 7 and the second socket plate 8 Together, it is described in detail by taking the first socket plate 7 on the first measurement arm 1 as an example below in conjunction with Fig. 4.

As shown in Figure 4, the top of the first measurement arm 1 is provided with a U-shaped installation slot position, the first socket plate 7 is logical The swing of rotary shaft 71 to be crossed to be assemblied in the U-type groove, the first socket plate 7 can swing to any position with respect to the first measurement arm 1, this Sample, which is conducive to visit socket plate to the first measurement arm 1 of the straight structure of some length, is difficult to deep position.In measurement process, in order to It avoids the opposite first measurement arm 1 of the first socket plate 7 that measurement error caused by swinging occurs, is filled in the rotary shaft 71 in the present embodiment It is locked equipped with positioning knob 72, the locking structure and mode of positioning knob 72 and the gage in gage wrap-up are locked and revolved Button 62 is identical, and when unscrewing positioning knob 72, the first socket plate 7 is with the rotation of rotary shaft 71 in the first measurement arm 1 Top freely swings, and after swing is adjusted in place, positioning knob 72 is screwed, by being threadedly engaged the rotation of the first socket plate Axis 71 is locked, and the first socket plate 7 can thus be kept to carry out proportion to tooth with a fixed angle.

The structure and assembly method of second socket plate 8 on the second measurement 2 top of arm and the first tooth on the first measurement arm 1 Frid 7 is identical, and therefore not to repeat here for the present embodiment.Reality, should be by the first socket plate 7 and the second socket plate in measurement process 8, which are adjusted to opposite, is arranged in parallel, and gage 5 is then tensed from the bottom of the first socket plate 7 and the second socket plate respectively, is measured in this way Upper and lower interdental linear distance, gage 5 and the first socket plate 7 of person forms parallel four side with the second socket plate 8 Shape can be accurately obtained the upper and lower interdental linear distance of the measured, i.e. mouth opening by the reading of gage 5 at this time Data.

In addition need to contact when measurement is the cut end of tooth, and cut end structure is narrow, and the present embodiment is first The surface of socket plate 7 and the second socket plate 8 and teeth contact is arranged to broached-tooth design as shown in Figure 5, utilizes broached-tooth design Positioning contradicts the cut end for arriving tooth, and in measurement, upper lower incisor cut end is against the first socket plate 7 and the second socket plate 8 respectively In the zigzag slot position of same position, measurement can reliably be compared.

The advantages of embodiment above describes the basic principles and main features of the utility model and the utility model, current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the concrete operating principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, this reality It will also have various changes and improvements with novel, these various changes and improvements fall within the scope of the claimed invention, this Utility model is claimed range and is defined by the appending claims and its equivalent thereof.

Claims (7)

1. mouth opening measuring scale, characterized by comprising: the first measurement arm (1), the second measurement arm (2), gage (5) and gage are received Winding apparatus (6)；

First measurement arm (1) and the second measurement arm (2) pass through middle interconnecting piece (3) and are arranged to scissor structure；

In the first measurement arm (1), the gage (5) is flexible ruler for gage wrap-up (6) setting, one end of which is fixed on The top of second measurement arm (2), top and gage wrap-up (6) solderless wrapped connection of the other end around the first measurement arm (1).

2. mouth opening measuring scale according to claim 1, it is characterised in that: first measurement arm (1) or the second measurement The telescopic rod (21) of adjustable length is provided on arm (2).

3. mouth opening measuring scale according to claim 1, it is characterised in that: the gage wrap-up (6) is to shake volume box Formula tape measure, box body and spool including installing around gage are provided with the rocking handle (61) of rotating scroll on the spool.

4. mouth opening measuring scale according to claim 3, it is characterised in that: be additionally provided on the gage wrap-up (6) For locking the gage hook knob (62) of spool.

5. mouth opening measuring scale described in any one of -4 according to claim 1, it is characterised in that: first measurement arm (1) The first socket plate (7) and the second socket plate (8) are provided with by rotary shaft swing respectively with the top of the second measurement arm (2).

6. mouth opening measuring scale according to claim 5, it is characterised in that: be provided with locking on the rotary shaft (71) The positioning knob (72) of one socket plate and the second socket plate.

7. mouth opening measuring scale according to claim 6, it is characterised in that: first socket plate (7) and the second alveolus Plate (8) is provided with the broached-tooth design of corresponding tooth cut end positioning with the surface of teeth contact.