CN217723508U - Cervical vertebra mobility measurer - Google Patents

Abstract

The invention relates to a cervical vertebra mobility measurer, which comprises a measuring hood assembly and a head adapting assembly, wherein the head adapting assembly is arranged on the head adapting assembly; the measuring hood assembly comprises a hood, a circular ring and a face mask, wherein the hood is a hollow hemisphere with longitude and latitude scales arranged on the inner surface, the circular ring is installed on the lower end surface of the hood, a horizontal coordinate line is arranged on the inner surface of the circular ring, the face mask is sleeved outside the hood, the front end and the rear end of the face mask are respectively and rotatably connected with the middle parts of the front end and the rear end of the circular ring through rotating shafts, and a connecting column for connecting a support is arranged at the top of the outer end of the hood; head adaptation subassembly includes bandeau frame, linking bridge, the bandeau frame is the semicircle type, and bandeau frame both ends are connected elasticity bandage, and bandeau frame lateral surface middle part is prolonged its radial red laser light source, is installed down directly over the centre of a circle of bandeau frame and has erect red laser light source, goes up red laser light source fixed mounting in the linking bridge upper end, and this caliber simple structure, practical convenient, be convenient for equipment, easy operation, the measurable cervical vertebra mobility of drawing cervical vertebra coupling motion.

Description

Cervical vertebra mobility measurer

Technical Field

The invention relates to a cervical vertebra mobility measurer.

Background

The limited movement of the cervical vertebrae is a common symptom of cervical spondylosis and cervical diseases, and the accurate measurement of the cervical vertebrae movement degree is very important for the evaluation of the basic functions and the treatment effect of the cervical vertebrae. The activity of cervical vertebra refers to the movement of cervical vertebra in sagittal plane, coronal plane and 3 horizontal planes, and its measurement includes: the cervical vertebra is anteverted, stretched backwards, laterally bent left and right and rotated left and right for 6 aspects.

At present, a plurality of tools and methods for measuring the activity of the cervical vertebra with different accuracy and reliability comprise a simple visual measurement method, a tape-measure measurement method, a protractor measurement method, a gravimeter measurement method, a cervical vertebra activity measurer (CROM), an electromagnetic motion analyzer, an X-ray measurement method, a CT three-dimensional reconstruction measurement method and the like. Visual measurement is commonly used, and because the anatomical structure of the cervical vertebra is complex, the movement of a certain plane is accompanied by the coupling movement of other planes, so that the accurate measurement of the activity of the cervical vertebra is difficult to a certain extent.

The existing cervical vertebra mobility measuring instrument mainly uses a pin-T protractor, a fixed arm and a moving arm of the protractor are aligned to false axes on all faces of a head, a head adapter device is lacked, a tester needs to carry out handheld measurement, and errors exist in reliability.

Disclosure of Invention

In view of the shortcomings of the prior art, the technical problem to be solved by the invention is to provide a cervical vertebra mobility measurer for spinal surgery.

In order to solve the technical problems, the technical scheme of the invention is as follows: a cervical vertebra mobility measurer comprises a measuring hood assembly and a head adapting assembly;

the measuring hood assembly comprises a hood, a circular ring and a face mask, the hood is a hollow hemisphere with longitude and latitude scales arranged on the inner surface, the circular ring is installed on the lower end surface of the hood, a horizontal coordinate line is arranged on the inner surface of the circular ring, the face mask is sleeved outside the hood, the front end and the rear end of the face mask are respectively and rotatably connected with the middle of the front end and the rear end of the circular ring through rotating shafts, and a connecting column for connecting a support is arranged at the top of the outer end of the hood;

the head adaptation subassembly includes bandeau frame, linking bridge, the bandeau frame is the semicircle type, and bandeau frame both ends are connected elasticity bandage, and bandeau frame lateral surface middle part is extended its radial centre of a circle of installing down red laser light source, bandeau frame and is vertically put red laser light source directly over, goes up red laser light source fixed mounting in the linking bridge upper end, and the linking bridge lower extreme is connected fixedly with the bandeau frame.

Further, measure the hood subassembly through the back of the chair rear of support mounting at the seat, the fixed elastic band of both shoulders has temporarily on the back of the chair, the support includes montant, horizon bar, and the montant lower extreme is connected fixedly with the seat, and the montant upper end is connected fixedly with the horizon bar outer end, and the hood is installed in the horizon bar inner through the spliced pole.

Furthermore, the connecting column is locked on the horizontal rod through a bolt, or the connecting column is a threaded sleeve, and a screw rod is vertically arranged on the lower side surface of the inner end of the horizontal rod.

Furthermore, montant, horizon bar are the telescopic link, and the telescopic link includes interior pole, the outer tube of cover outside interior pole, and outer tube upper portion week radially has seted up the screw, installs the fitting pin that is used for the interior pole of lock solid in the screw.

Furthermore, the periphery of the rotating shaft is provided with spring pins along the radial direction, and a plurality of positioning pin holes matched with the spring pins are arranged on the circular ring at intervals on the periphery of the rotating shaft.

Further, the head cover and the circular ring are integrally formed.

Furthermore, the hood and the circular ring are transparent.

Compared with the prior art, the invention has the following beneficial effects; simple structure, practicality convenience, the equipment of being convenient for, easy operation, testee head and cervical vertebra can be in the hood free rotation, reduce the interference of external factor to the cervical vertebra activity, according to the longitude and latitude scale on the hood, can survey and draw out the coupled motion of cervical vertebra.

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

Drawings

FIG. 1 is a schematic view of a measurement hood assembly.

Fig. 2 is a schematic structural diagram of the head adapter assembly.

In the figure: 1, head covering; 2-a circular ring; 3-a face mask; 4-connecting a column; 5-vertical rod; 6-horizontal rod; 7-head belt rack; 8-connecting the stent; 9-elastic bandage; 10-lower red laser light source; 11-upper red laser light source.

Detailed Description

In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1-2, a cervical mobility measurer includes a measuring hood assembly, a head fitting assembly;

the measuring hood assembly comprises a hood 1, a circular ring 2 and a mask 3, wherein the part above cheekbones of a head of a subject is positioned in the hood during measurement, the hood is a hollow hemisphere with longitude and latitude scales on the inner surface, the circular ring is arranged on the lower end surface of the hood, a horizontal coordinate line is arranged on the inner surface of the circular ring, the mask is sleeved outside the hood, the front end and the rear end of the mask are respectively and rotatably connected with the middle part of the front end and the rear end of the circular ring through a rotating shaft, and a connecting column 4 for connecting a support is arranged at the top of the outer end of the hood;

the head adaptation component comprises a head band frame 7 and a connecting support 8, the head adaptation component can be firmly fixed on the upper edge of an eyebrow arch, the head band frame is in a semicircular arc shape, two ends of the head band frame are connected with elastic bands 9, a lower red laser light source 10 is radially arranged in the middle of the outer side surface of the head band frame along the middle, an upper red laser light source 11 is vertically arranged right above the circle center of the head band frame, the upper red laser light source is fixedly arranged at the upper end of the connecting support, the lower end of the connecting support is fixedly connected with the head band frame, the lower red laser light source and the upper red laser light source respectively horizontally and vertically project light, and due to the characteristics of high directionality and non-divergence of laser, the light is a tiny light spot when being projected to the scale of the head band frame.

In this embodiment, measure the hood subassembly through the support mounting at the back of the chair rear of seat, there is the fixed elastic webbing of both shoulders temporarily on the back of the chair, the support includes montant 5, horizon bar 6, and the montant lower extreme is connected fixedly with the seat, and the montant upper end is connected fixedly with the horizon bar outer end, and the hood is installed in the horizon bar inner through the spliced pole.

In this embodiment, the connecting column is locked on the horizontal rod through a bolt, or the connecting column is a threaded sleeve, and a screw rod is vertically installed on the lower side surface of the inner end of the horizontal rod.

In this embodiment, montant, horizon bar are the telescopic link, and the telescopic link includes interior pole, the outer tube of cover outside interior pole, and outer tube upper portion week radially has seted up the screw, installs the fitting pin that is used for interior pole of lock solid in the screw.

In this embodiment, the periphery of the rotating shaft is radially provided with spring pins, and the ring is provided with a plurality of positioning pin holes matched with the spring pins at intervals on the periphery of the rotating shaft.

In this embodiment, the hood is integrally formed with the ring.

In this embodiment, the hood and ring are transparent.

When in use: wearing is performed first, and then measurement of rotation, flexion and extension, lateral flexion or any other angle is performed.

Wearing: the examinee wears the head adapting component firstly, then sits on the chair, the chair back is vertical to the ground, the back of the examinee is close to the chair back, two shoulder fixing elastic belts are used for bypassing the armpit and the chest of the examinee in a crossed manner to firmly fix the upper thoracic vertebra of the examinee, the sitting posture is adjusted, and the position of the hood is adjusted in the vertical, transverse and transverse directions through the bracket, so that the horizontal edge and the lower edge of the hood are positioned above the cheekbones, the center line is positioned at the forehead center line, and the laser points emitted by the upper red laser light source and the lower red laser light source of the head adapting component correspond to the scale starting points on the hood;

rotating: the eyes of the testee stare at the abscissa on the circular ring to rotate left and right, and when the eyes rotate left and right to the end position, the corresponding scales of 2 laser points on the hood are recorded;

bending and stretching: pulling down a mask outside the hood, moving the eyes of a subject along a vertical coordinate on the hood when the subject lowers and raises the head, and recording corresponding scales of 2 laser points on the hood when the subject stops;

lateral bending: the head of the testee is bent at the left side and the right side, and corresponding scales of 2 laser points on the head cover are recorded when the head is bent at the left end position and the right end position;

any other angle: after the subject stops rotating the cervical vertebra, the corresponding scales of 2 laser points on the head cover are recorded.

The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. A cervical vertebra mobility caliber which is characterized in that: comprises a measuring hood component and a head adapting component;

the measuring hood assembly comprises a hood, a circular ring and a face mask, the hood is a hollow hemisphere with longitude and latitude scales on the inner surface, the circular ring is installed on the lower end surface of the hood, a horizontal coordinate line is arranged on the inner surface of the circular ring, the face mask is sleeved outside the hood, the front end and the rear end of the face mask are respectively and rotatably connected with the middle of the front end and the rear end of the circular ring through rotating shafts, and a connecting column for connecting a support is arranged at the top of the outer end of the hood;

the head adaptive assembly comprises a head band frame and a connecting support, the head band frame is in a semicircular arc shape, two ends of the head band frame are connected with elastic binding bands, a lower red laser light source is arranged in the middle of the outer side surface of the head band frame along the radial direction of the middle part of the outer side surface of the head band frame, an upper red laser light source is vertically arranged right above the circle center of the head band frame, the upper red laser light source is fixedly arranged at the upper end of the connecting support, and the lower end of the connecting support is fixedly connected with the head band frame; the measuring hood assembly is installed behind the chair back of the chair through a support, a double-shoulder fixing elastic belt is temporarily arranged on the chair back, the support comprises a vertical rod and a horizontal rod, the lower end of the vertical rod is fixedly connected with the chair, the upper end of the vertical rod is fixedly connected with the outer end of the horizontal rod, and the hood is installed at the inner end of the horizontal rod through a connecting column; the connecting column is locked on the horizontal rod through a bolt, or the connecting column is a threaded sleeve, and a screw rod is vertically arranged on the lower side surface of the inner end of the horizontal rod; the vertical rod and the horizontal rod are telescopic rods, each telescopic rod comprises an inner rod and an outer tube sleeved outside the inner rod, screw holes are radially formed in the peripheral sides of the upper portions of the outer tubes, and locking nails used for locking the inner rods are installed in the screw holes; the periphery of the rotating shaft is provided with spring pins along the radial direction, and a plurality of positioning pin holes matched with the spring pins are arranged on the circular ring at intervals on the periphery of the rotating shaft; the head cover and the circular ring are integrally formed; the head cover and the circular ring are transparent.

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