CN112294290A

CN112294290A - Intraoral tissue length measuring tool

Info

Publication number: CN112294290A
Application number: CN202010613648.1A
Authority: CN
Inventors: 张晓晴
Original assignee: NO4 WEST CHINA TEACHING HOSPITAL SICHUAN UNIVERSITY
Current assignee: NO4 WEST CHINA TEACHING HOSPITAL SICHUAN UNIVERSITY
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-02
Anticipated expiration: 2040-06-30
Also published as: CN112294290B

Abstract

The invention provides an intraoral tissue length measuring tool which comprises a main rod, wherein one end of the main rod is a handheld end, the other end of the main rod is a measuring end, a scale with scales is arranged at the measuring end, and the scale is perpendicular to the main rod and is in telescopic movable connection with the main rod. According to the intraoral tissue length measuring tool provided by the invention, the measuring end of the main rod is provided with the vertically movable scale, the length is measured by aligning the scale with the end part of the soft palate or uvula to be measured, in the measuring process, the top part of the soft palate or uvula is aligned with the number indicating pointer, and the root part of the soft palate or uvula is abutted against the zero graduation end of the scale, so that the discomfort of the mouth of a patient and the measurement deviation caused by excessive contact of the soft palate or uvula and the scale are avoided.

Description

Intraoral tissue length measuring tool

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a tool for measuring the length of tissues in narrow environments such as mouths.

Background

The soft palate is a part of the palate, occupies about the rear third of the palate, forms the upper roof of the oral cavity together with the hard palate, is composed of connective tissues and muscles, plays an important role in speech, swallowing, breathing and other functions, and the uvula refers to a part protruding downwards from the free edge of the soft palate in the oral cavity. The soft palate and the uvula are too long, so that the pharyngeal cavity is narrow, the symptoms of obstructive sleep apnea hypopnea syndrome such as foreign body sensation in the pharyngeal portion, increased upper respiratory resistance, suffocation, lack of oxygen and the like are caused, and the life safety is threatened in severe cases.

The soft palate and the uvula have great effects in the oral cavity and cannot be completely cut off, only the overlong and fat parts need to be cut, the cutting is too little, the rest soft palate and the uvula can also influence the functions of the human body, the cutting is too much, harm such as food is easy to choke out from the nasal cavity and the like due to the fact that the open nasal sound, the phonic unclear sound and the nasopharyngeal cavity cannot be closed can be caused, therefore, the length of the soft palate and the uvula needs to be accurately measured before the soft palate and the uvula are cut, a doctor can conveniently determine the length needing to be cut, an operation scheme is established, and the normal life of a patient is restored.

The prior patent CN 2786551Y-soft palate length measuring ruler discloses a special ruler capable of measuring the soft palate, the measuring ruler is L-shaped, the handle is columnar, and the measuring part is in a bending shape matched with the radian and the length of the soft palate. The soft palate is normally relaxed and has no curvature; when sleeping and breathing normally, the soft palate is in a loose and drooping shape, and only in a sounding and swallowing state, the soft palate is tightly attached to the rear wall of the pharynx and is in an arc shape. The purpose of measuring the length of the soft palate is to observe whether the soft palate is too long in a normal state and affects sleep and respiration, so that the design of the prior patent CN 2786552Y-soft palate length measuring ruler is not fit for the requirement of measurement, namely is not reasonable.

Disclosure of Invention

Based on the above problems, an object of the present invention is to provide an intraoral tissue length measuring tool, which can effectively measure the length of the soft palate and the uvula, so as to provide a theoretical basis for determining a surgical plan and facilitate accurate cutting by medical workers.

In order to achieve the above purpose, the invention adopts the technical scheme that: the utility model provides an intraoral tissue length measuring tool, includes the mobile jib, and the one end of mobile jib is handheld end, and the other end is measuring terminal, its characterized in that, the measuring terminal sets up the scale that has the scale, the perpendicular and scalable swing joint of scale and mobile jib.

When the tool for measuring the length of the intraoral tissue is used, the ruler is adjusted to the position where the zero-scale end is horizontally aligned with the measuring end of the main rod, the measuring end extends into the mouth, the zero-scale end of the ruler is aligned with the top of a soft palate to be measured, then the position of the ruler is adjusted, the end part of the zero-scale end vertically moves to the joint of the root of the soft palate and the hard palate, and at the moment, the reading of the position, horizontally aligned with the measuring end of the main rod, on the ruler is the drooping length of the soft palate relative to the hard palate.

Specifically, a rotating shaft is arranged in the main rod, annular teeth are arranged on the outer portion of one end, corresponding to the measuring end, of the rotating shaft, scale marks are arranged on the front portion of the scale, the outer ends of the two sides of the rear portion are connected with the measuring end in a sliding mode, and a rack meshed with the annular teeth is arranged at the inner end of one side of the rear portion; when the medical staff is used, the rotating shaft is rotated at the handheld end of the medical staff, and the annular gear drives the rack to stretch out and draw back, so that the scale is driven to vertically stretch out and draw back in the slideway.

Further, scale front end middle part sets up the logical groove of vertical extension and the vertical scale that runs through, the scale mark sets up in the logical groove edge of scale, it sets up a registration pointer parallel with the scale mark to lead to the groove corresponding department at measuring end and scale, in the measurement process, align registration pointer and soft palate or uvula's lower extreme level, the zero graduation end that rotates the pivot with the scale rises to the upper end root of soft palate or uvula, it is promptly for measuring length to lead to the groove through the scale and observe the scale mark registration that registration pointer is right.

Furthermore, the measuring device also comprises a reverse ruler, the outer ends of the two sides of the rear part of the reverse ruler are slidably connected with the through grooves of the scale, the front end of the annular tooth on the rotating shaft is provided with a reverse annular tooth, the inner end of one side of the rear part of the reverse ruler is provided with a reverse rack meshed with the reverse annular tooth, the middle part of the front end of the reverse ruler is provided with a longitudinally extending and vertically penetrating reverse ruler through groove, and the edge of the through groove of the reverse ruler is provided with a scale mark, wherein the zero-scale end of the reverse ruler and the zero-scale end of the scale are respectively positioned at; because the uvula is long at the lower part of the middle end of the soft palate, some patients need to measure the soft palate and the uvula simultaneously, the invention adopts the rotating shaft to respectively control the extension and retraction of the scale and the backward annular tooth through the annular tooth and the backward annular tooth, in the measuring process, the number indicating pointer is aligned with the joint of the soft palate and the uvula, the rotating shaft is pulled outwards to enable the annular tooth to be meshed with the scale, then the scale is controlled to be lifted to the position where the zero graduation end is aligned with the root of the soft palate, then the rotating shaft is pushed inwards to enable the backward annular tooth to be meshed with the backward rack, the rotating shaft is rotated to enable the backward scale to be lowered to the position where the lower end of the uvula is aligned, the backward scale graduation line opposite to the number indicating pointer is observed through the through groove of the backward scale, namely the measured uvula length, and then the scale graduation corresponding to the.

Further optimized, the registration pointer is arranged outside the scale marks in parallel, the registration pointer is connected with the measuring end through a connecting block which penetrates through the reverse tooth through groove, and scales on the reverse ruler and the scale are directly read through the registration pointer, so that convenience and rapidness are achieved.

Specifically, the annular tooth is the toper tooth, scale rear portion one side inner sets up the bar inclined plane, set up on the bar inclined plane with the rack of toper tooth adaptation, the transmission of pivot and scale can be in order to guarantee with the bar inclined plane to the toper tooth, can restrict the stroke that the pivot was outwards extracted again, avoids the pivot to deviate from in the mobile jib.

As another optimization, an axial through groove is formed in the side of the main rod, scales are arranged at the edge of the through groove, a carving needle is arranged in the through groove, a section of the rotating shaft corresponding to the axial through groove is provided with a threaded section, a threaded sleeve is arranged outside the threaded section, and the bottom of the carving needle is fixedly connected with the outer ring of the threaded sleeve; the full length of the scale usually needs 3 to 5 centimeters, the patient opens the mouth in the whole process of measurement, so the scales on the scale need to be read in the mouth, or the measurement end is taken out of the mouth of the patient and then read, and a patient is inconvenient to open the mouth to be large, so that the reading on the scale is difficult.

Further optimize, the pivot is installed in the mobile jib through a plurality of bearings, and handheld end sets up rotatable end cover, the tip that the pivot extends to handheld end links firmly with the end cover is coaxial, and during the use, it can to rotate the end cover and can make the pivot rotate or connect through rotatable adapter.

Specifically, the intraoral tissue length measuring tool provided by the invention has the main rod with the width of 3-6 mm, the scale with the width of 3-10 mm and the length of less than 5cm, the reverse ruler with the width of 2-4 mm and the length of less than 3cm, and under the common conditions, the main rod adopts the width of 3mm, the scale adopts the width of 5mm and the length of 3cm, and the reverse ruler adopts the width of 2mm and the length of 2.5cm, so that the measurement of most patients can be met.

The invention has the beneficial effects that:

according to the tool for measuring the length of the intraoral tissue, the measuring end of the main rod is provided with the vertically movable scale, the length is measured by aligning the scale with the end part of the soft palate or uvula to be measured, in the measuring process, the top of the soft palate or uvula is aligned with the number indicating pointer, and the root of the soft palate or uvula is abutted against the zero graduation end of the scale, so that the discomfort of the mouth of a patient and the measurement deviation caused by excessive contact of the soft palate or uvula and the scale are avoided.

Drawings

FIG. 1 is a schematic view of an intraoral tissue length measuring tool according to this embodiment 1;

FIG. 2 is a side sectional view of the intraoral tissue length measuring tool in example 1;

FIG. 3 is a front view of the scale in embodiment 1;

FIG. 4 is a rear view of the scale of embodiment 1;

FIG. 5 is a schematic view of the intraoral tissue length measuring tool in example 2;

FIGS. 6 and 7 are schematic diagrams illustrating the use of the intraoral tissue length measuring tool according to example 2;

FIG. 8 is a side sectional view of the intraoral tissue length measuring tool in example 3;

wherein, 1 is the mobile jib, 2 is the scale, 21 is the rack, 3 is the pivot, 31 is the annular tooth, 32 is reverse ring tooth, 33 is the screw thread section, 4 is the axle sleeve, 5 is the end cover, 6 is the pointer of indicating number, 7 is reverse chi, 71 is reverse rack, 8 is the needle point, 9 is the thread bush.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

As shown in fig. 1 to 4, the device comprises a main rod 1, wherein one end of the main rod 1 is a handheld end, the other end of the main rod is a measuring end, and a scale 2 is arranged at the measuring end; a rotating shaft 3 is arranged in the main rod 1, the rotating shaft 3 is arranged in the main rod 1 through a plurality of shaft sleeves 4, a rotatable end cover 5 is arranged at the handheld end, the end part of the rotating shaft 3 extending to the handheld end is coaxially and fixedly connected with the end cover 5, an annular tooth 31 is arranged outside one end of the rotating shaft 3 corresponding to the measuring end, the front part of the scale 2 is provided with scale marks, the outer ends of two sides of the rear part are perpendicular to and slidably connected with the measuring end, and a rack 21 meshed with the annular tooth 31 is arranged at the inner end of; 2 front end middle parts of scale set up longitudinal extension and the vertical scale that runs through and lead to the groove, and the scale mark sets up in the groove edge is led to the scale, leads to the groove corresponding department at measurement end and scale and sets up a registration pointer 6 parallel with the scale mark.

The intraoral tissue length measuring tool that this embodiment provided, 1 width of mobile jib is 4mm, 2 width of scale is 5mm, it is 3cm long, when being used for measuring soft palate, stretch into measuring end intraorally, align the registration pointer 6 of scale 2 with the soft palate top of wanting to measure, then rotate pivot 3, adjust the position of scale 2, make the zero graduation end vertical migration of scale 2 to the soft palate root and hard palate junction, at this moment, the reading of the scale mark that registration pointer 6 corresponds is the flagging length of soft palate for hard palate, above-mentioned method is applicable to the length measurement of uvula equally.

Example 2

Based on embodiment 1, as shown in fig. 5, this embodiment further includes a reverse ruler 7, outer ends of two sides of a rear portion of the reverse ruler 7 are slidably connected with the through groove of the scale, a reverse ring tooth 32 is disposed at a front end of the ring tooth 31 on the rotating shaft 3, a reverse rack 71 meshed with the reverse ring tooth 32 is disposed at an inner end of one side of the rear portion of the reverse ruler 7, a longitudinally extending and vertically penetrating through groove of the reverse ruler is disposed at a middle portion of the front end of the reverse ruler 7, and scale marks are disposed at edges of the through groove of the reverse ruler, wherein a zero-scale end of the reverse ruler 7 and a zero-scale end of the scale 2 are respectively located; the number indicating pointer 6 is arranged outside the scale marks of the scale 2 in parallel, and the number indicating pointer 6 is connected with the measuring end through a connecting block which penetrates through the reverse tooth through groove; in this embodiment, annular tooth 31 is the toper tooth, and 2 rear portion one side inner of scale sets up the bar inclined plane, set up on the bar inclined plane with the rack 21 of toper tooth adaptation, and the transmission of pivot 3 and scale 2 both can be guaranteed to toper tooth and bar inclined plane, can restrict the stroke that 3 outwards extracted of pivot again, avoids pivot 3 to deviate from in the mobile jib 1.

Because the uvula is long at the lower middle end of the soft palate, some patients need to measure the soft palate and the uvula simultaneously, and the device in embodiment 1 needs to adjust the device scale 2 to the initial position after one-time measurement is completed and then carry out a second measurement, therefore, in this embodiment, a reverse scale 7 is added on the basis of embodiment 1, the scale 2 and the reverse scale 7 are respectively controlled to stretch and retract by adopting a rotating shaft 3 through an annular tooth 31 and a reverse annular tooth 32, in the measurement process, a counting pointer 6 is aligned with the connection position of the soft palate and the uvula, in this embodiment, the cross section of the scale through groove is stepped, the length of the reverse scale is 2.5cm, the front width of the scale line of the reverse scale is 3mm, the reverse scale through groove is 1mm, as shown in fig. 6 and 7, the rotating shaft 3 is pulled outwards to enable the annular tooth 31 to be engaged with the rack 21, the rotating shaft 3 enables the scale 2 to rise to the position where the zero graduation end is aligned with the, then the rotating shaft 3 is pushed inwards to enable the reverse ring teeth 32 to be meshed with the reverse rack 71, the rotating shaft 3 is rotated to enable the reverse ruler 7 to descend to the position where the zero-scale end is aligned with the lower end of the uvula, the scales on the ruler 2 and the reverse ruler 7 are directly read through the indicating pointer 6, the lengths of the soft palate and the uvula can be known, and the device can be used for measuring the lengths of the soft palate and the uvula in two directions within 3cm and 2.5 cm.

Example 3

As shown in fig. 8, in order to avoid the inconvenience of reading in the mouth, this embodiment improves on the basis of embodiment 1, the lateral part of the main rod 1 is provided with an axial through groove, the edge of the through groove is provided with scale marks arranged in the axial direction, the axial through groove is provided with a graver 8, the rotating shaft 3 is provided with a threaded section 33 corresponding to the axial through groove, the threaded section 33 is externally provided with a threaded sleeve 9, and the bottom of the graver 8 is fixedly connected with the outer ring of the threaded sleeve 9.

The pivot 3 of this embodiment is rotating the in-process, it is flexible to drive scale 2 on the one hand, on the other hand screw thread section 33 drives thread bush 9 and removes along the logical inslot of axial, thereby drive 8 walks in the logical inslot of axial, scale on 2 with the scale of scale and mobile jib 1 on the scale conversion of equal proportion, direct reading in the measurement process on the mobile jib 1 the registration that 8 corresponds of scale can know on the scale 2, thereby need not in patient's mouth reading or take out the reading from patient's mouth with the measuring end.

The above examples of the present invention are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes and modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an intraoral tissue length measuring tool, includes the mobile jib, and the one end of mobile jib is handheld end, and the other end is measuring terminal, its characterized in that, the measuring terminal sets up the scale that has the scale, the perpendicular and scalable swing joint of scale and mobile jib.

2. An intraoral tissue length measuring tool according to claim 1, wherein a rotating shaft is provided in the main rod, an annular tooth is provided on an outer portion of an end of the rotating shaft corresponding to the measuring end, a scale line is provided on a front portion of the scale, outer ends of both sides of the rear portion are slidably connected to the measuring end, and an inner end of one side of the rear portion is provided with a rack engaged with the annular tooth.

3. An intraoral tissue length measuring tool according to claim 2, wherein a ruler through groove extending longitudinally and vertically is provided in the middle of the front end of the ruler, the scale marks are provided at the edges of the ruler through groove, and a number indicating pointer parallel to the scale marks is provided at the position where the measuring end corresponds to the ruler through groove.

4. An intraoral tissue length measuring tool according to claim 3, further comprising a reversing ruler, wherein the outer ends of the two sides of the rear portion of the reversing ruler are slidably connected with the through groove of the scale, the front end of the annular tooth on the rotating shaft is provided with a reversing ring tooth, the inner end of one side of the rear portion of the reversing ruler is provided with a reversing rack meshed with the reversing ring tooth, the middle portion of the front end of the reversing ruler is provided with a longitudinally extending and vertically penetrating through groove of the reversing ruler, and the edge of the through groove of the reversing ruler is provided with a scale line, wherein the zero-scale end of the reversing ruler and the zero-scale end of the scale are respectively located on the.

5. The intraoral tissue length measuring tool according to claim 4, wherein the annular teeth are conical teeth, the inner end of one side of the rear portion of the scale is provided with a bar-shaped inclined surface, and the bar-shaped inclined surface is provided with a rack matched with the conical teeth.

6. The intraoral tissue length measuring tool according to claim 4, wherein the index finger is disposed in parallel outside the scale markings of the scale, the index finger being connected to the measuring end by a connecting block passing through the inverted tooth through groove.

7. An intraoral tissue length measuring tool according to claim 2, wherein the lateral part of the main rod is provided with an axial through groove, the edge of the through groove is provided with scales, a cutting needle is arranged in the through groove, a section of the rotating shaft corresponding to the axial through groove is provided with a thread section, the thread section is externally provided with a thread sleeve, and the bottom of the cutting needle is fixedly connected with the outer ring of the thread sleeve.

8. An intraoral tissue length measuring tool according to any of claims 2 to 7, wherein the shaft is mounted within the main shaft by a plurality of bushings.

9. An intraoral tissue length measuring tool according to claim 8, wherein the hand held end is provided with a rotatable end cap, and the end of the shaft extending to the hand held end is coaxially fixedly connected with the end cap.