CN212939674U - Dry eye inspection device's guiding mechanism - Google Patents
Dry eye inspection device's guiding mechanism Download PDFInfo
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- CN212939674U CN212939674U CN202021177237.4U CN202021177237U CN212939674U CN 212939674 U CN212939674 U CN 212939674U CN 202021177237 U CN202021177237 U CN 202021177237U CN 212939674 U CN212939674 U CN 212939674U
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Abstract
An adjusting mechanism of a dry eye inspection device comprises a slit lamp optical body, a slit lamp bent arm, an electric retraction mechanism, an electric adjusting mechanism and a dry eye inspection device; the fixing part of the electric retraction jack is arranged on the slit lamp body; the output part of the first driving device drives the rotating part of the electric folding and unfolding mechanism to rotate; the fixed part of the electric adjusting mechanism is arranged on the rotating part of the electric retracting mechanism, and the xerophthalmia inspection device is connected to the sliding part of the electric adjusting mechanism; the output part of the second driving device drives the sliding part of the electric adjusting mechanism to move along the axis direction. The second driving device and the adjusting mechanism are arranged, and the dry eye examination device automatically moves to respective working positions according to different dry eye examination items (tear film rupture examination, meibomian gland examination, lipid layer examination, lacrimal river height examination and the like) under the control of a computer, so that the accuracy of an examination result is ensured.
Description
Technical Field
The invention relates to the field of devices in the field of medical equipment, in particular to an adjusting mechanism of a dry eye examination device.
Background
The eye is the most important organ in human sense, and about 80% of the knowledge in the brain is acquired by the eye. The eyes are needed to read the books and recognize words, watch pictures, watch figures, enjoy beautiful scenery and the like.
Dry eye is the most common and highly prevalent ocular surface disease. The disease incidence rate of the eye-protecting mask is 20-36% in China, the development trend of the eye-protecting mask shows an obvious growth trend due to the increase of eye-using frequency and the increase of eye-using time in recent years, and the eye-protecting mask has practical significance for the research of the disease on the health of human bodies.
Examination of dry eye, including: tear river height measurement, tear film break up time measurement, meibomian gland analysis, lipid layer assessment, eye margin analysis, eye red analysis, and the like.
There are three types of instruments that can accomplish the above dry eye examination project: the first type is an instrument developed on the basis of an original corneal topographer; the second type is an instrument developed on the basis of an original slit lamp and is provided with an additional dry eye cornea detection projection device; the third instrument is specially used for dry eye examination, which can only carry out dry eye item examination and has no other functions.
The following describes the development of a slit lamp based instrument of the second type.
A slit-lamp microscope (referred to as slit-lamp for short) is an important instrument which is not necessary but few in ophthalmologic examination, is also the first extensive basic instrument for ophthalmologic routine examination, and is required to be configured forcibly by industry countries such as ophthalmologic diagnosis and treatment, ophthalmologic health care, optometry fitting and the like.
The cornea projection device for dry eye examination (hereinafter referred to as dry eye device) is attached to the slit lamp, and is placed between eyes and a slit lamp optical body during working, the optical axis of the dry eye device is superposed with the imaging optical axis of the slit lamp, and an operator uses the device to illuminate the ocular surface (visible light and infrared light illumination) or project an illumination pattern (Placido ring and the like) on the ocular surface.
In the existing dry eye device, when each item of dry eye disease is checked, in order to meet basic checking conditions and achieve better effect, the distances between the dry eye device and the eye surface of human eyes are different, and a position A close to the eye surface of the human eyes is provided; a position C far away from the eye surface of the human eyes; and position B between a and C, position A, B, C are all "working positions" for the dry eye device. In addition, there is a "rest position" position D: a dry eye device is placed in a position where it does not interfere with the normal use of other functions of the slit lamp when a dry eye examination is not being performed.
In the specific use process, the adjusting, moving, retracting and rotating conditions of the dry eye device are as follows:
1. the device is used for the examination of dry eye items, and if the distance between the device and the ocular surface of the human eye is different, the device needs to be moved to a corresponding position, for example, the device needs to be moved to a position A when tear film rupture examination is carried out, the device needs to be moved to a position B when lipid layer examination and tear river height examination are carried out, and the device needs to be moved to a position C when meibomian gland examination is carried out. Each dry eye check requires frequent movement between locations A, B, C.
2. When the slit lamp is used, the device needs to be rotated from the working position A (or B, C) to the non-working position D; when using the dry eye device for examination, it is necessary to rotate the device from the inoperative position D to the operative position a (or B, C).
Above xerophthalmia device adopts manual regulation removal and receive and release the rotation, has following shortcoming:
a. rotating directly from the operating position B, C to the non-operating position D, the dry eye device collides with the slit lamp, causing damage to the device;
b. the device is directly rotated from the non-working position D to the working position A, so that the device is easy to collide with the face of a patient, and damage is caused;
c. the operation does not influence the accuracy of the inspection result on the caused position error;
d. in order to ensure that the problems do not occur, doctors need professional operation, the process is complex, and the working intensity and the working difficulty are increased;
e. the contact device is needed to be touched by hands when the device is used every time, so that secondary infection among different operators is easily caused, and the operators are not easily protected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an adjusting mechanism of a xerophthalmia inspection device, which has the following specific technical scheme:
the utility model provides an xerophthalmia inspection device's guiding mechanism, includes slit lamp optics body and slit lamp curved arm, and this slit lamp optics body coupling is in slit lamp curved arm top, its characterized in that:
comprises an electric retraction mechanism, an electric adjusting mechanism and a dry eye inspection device;
the electric retraction mechanism comprises a retraction fixing part and a rotating part, and the rotating part rotates relative to the retraction fixing part;
the first driving device drives the rotating part of the electric retraction jack to rotate;
the electric adjusting mechanism comprises an adjusting fixing part and a sliding part, and the sliding part slides relative to the adjusting fixing part along the axial direction;
a fixed part of an electric adjusting mechanism is installed on a rotating part of the electric retracting mechanism, and the dry eye inspection device is connected to a sliding part of the electric adjusting mechanism;
the second driving device drives the dry eye inspection device to move through the sliding portion.
Further: the electric retraction jack fixing part is arranged in the center of the lower part of the slit lamp optical body and moves along with the slit lamp optical body;
the first driving device is fixed through the slit lamp bent arm and drives the rotating part of the electric retracting mechanism to rotate.
Further: the position of the electric retraction mechanism fixing part can also be arranged at the upper part of the slit lamp optical body and moves together with the slit lamp optical body.
Further:
the position of the electric retraction mechanism fixing part can be deviated to the left at the lower part of the slit lamp optical body, namely the left side surface of the slit lamp bent arm moves together with the slit lamp optical body.
Further:
the position of the electric retraction mechanism fixing part can be inclined to the right at the lower part of the slit lamp optical body, namely the right side surface of the slit lamp bent arm moves together with the slit lamp optical body.
Further: the second driving device is installed on a fixing portion of the electric adjustment mechanism.
Further: the cable runs of the dry eye inspection device, the first drive device, and the second drive device are hidden inside the instrument.
The invention has the beneficial effects that:
firstly, the device rotates from the working position B, C to the non-working position D, and can rotate to the non-working position D only after directly moving to the working position A, so that the device and the slit lamp cannot collide, and the safety of equipment is protected;
secondly, when the position B, C, D is moved to the position A, the computer system synchronously prompts the safety of attention personnel by sound and light when adjusting the position of the dry eye device, and avoids the device from colliding and contacting with the face and eyes of a patient to cause injury;
thirdly, the device automatically moves to respective working positions according to different dry eye examination items (tear film rupture examination, meibomian gland examination, lipid layer examination, lacrimal river height examination and the like) under the control of a computer, and the accuracy of an examination result is ensured;
fourthly, the working intensity and the working difficulty of the doctor are reduced, and the complexity of the doctor operation is reduced;
fifthly, the device can prevent operators from contacting with the instrument in the switching process, thereby preventing secondary infection among the operators and protecting doctors.
Sixth, conditions are created for automation of dry eye examination.
Drawings
FIG. 1 is a schematic view of a dry eye examination apparatus in use (example one);
FIG. 2 is a schematic view of the dry eye inspection device in position on a slit lamp optic (embodiment one);
FIG. 3 is a schematic cross-sectional view of a dry eye examination apparatus (embodiment one);
fig. 4 is an exploded schematic view of the dry eye inspection apparatus (example two);
fig. 5 is a schematic view of the dry eye inspection apparatus in use (example two);
FIG. 6 is a schematic view of the dry eye inspection device in position on the slit lamp optic (example two);
fig. 7 is a schematic sectional view of a dry eye inspection apparatus (example two);
fig. 8 is an exploded schematic view of the dry eye inspection device (example two);
FIG. 9 is a schematic view of the dry eye inspection device in position on the slit lamp optic (example three);
FIG. 10 is a schematic view of the dry eye inspection device in position on the slit lamp optic (example four);
FIG. 11 is a flow chart of the present patent;
in the drawing, reference numerals indicate a dry eye inspection device 1, an operating position a, an operating position B, an operating position C, a right non-operating position D, a left non-operating position E, a slit lamp optical body 2, a slit lamp curved arm 3, a first driving device 4, a driving gear 5, a housing fixing portion 6, a driven gear 7, a rotating portion 8, an electric housing mechanism 9, a lead screw 10, a sliding portion 11, a slider seat 12, an adjusting mechanism 13, a device fixing end 14, a device free end 15, a second driving device 16, a guide shaft 17, an adjusting fixing portion 18, and a connecting seat 19.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
In the first embodiment, as shown in fig. 1 to 4: an electric retracting mechanism and an electric adjusting mechanism of a slit lamp additional xerophthalmia inspection device are disclosed, wherein the fixed part of the electric retracting mechanism is arranged in the center of the lower part of an optical body of the slit lamp, and the electric retracting mechanism comprises a xerophthalmia inspection device 1, a slit lamp optical body 2, a slit lamp bent arm 3, a motor retracting mechanism 8 and an adjusting mechanism 13;
the slit lamp optical body 2 is arranged at the top of a slit lamp bent arm 3, the motor retraction mechanism 9 comprises a rotating part 8, a retraction fixing part 6, a driven gear 7 and a driving gear 5, the retraction fixing part 6 is connected to the upper part of the slit lamp bent arm 3 in the vertical direction, the driven gear 7 is movably sleeved on the retraction fixing part 6, the rotating part 8 is fixedly sleeved on the driven gear 7, the driven gear 7 can drive the rotating part 8 to rotate relative to the retraction fixing part 6, the first driving device 4 is arranged in the slit lamp bent arm 3 in the vertical direction, the driving gear 5 is sleeved on an output part of the first driving device 4, and the driving gear 5 is meshed with the driven gear 7;
first drive arrangement drive 4 rotates and drives driving gear 5 and rotate, and driving gear 5 drives driven gear 7 and rotates, and driven gear 7 drives rotation portion 8 and rotates, and rotation portion 8 drives electric adjusting mechanism 13 anticlockwise rotation (or clockwise rotation).
The electric adjusting mechanism comprises an adjusting fixing part 18, a screw rod 10, a sliding part 11, a sliding block seat 12 and a guide shaft 17, wherein the screw rod 10 is connected to a second driving device 16 and rotates along with a rotating part of the second driving device 16;
the screw 10 and the guide shaft 17 are adjacently arranged on the adjusting fixing part 18, the sliding part 11 is arranged on the screw 10 and the guide shaft 17, and the specific structure is that a nut and a guide shaft hole are arranged in the sliding part 11, the nut is matched with the screw 10, and the guide shaft hole is matched with the guide shaft 17;
the second driving device 16 drives the screw rod 10 to rotate, and the sliding part 11 slides back and forth along the two guide shafts along with the rotation of the screw rod 10;
the slider holder 12 is fixed to the slide portion 11, and the device fixing end 14 of the dry eye inspection device 1 is fixed to the slider holder 12.
The slider holder 12 is driven by a second driving device 16, and the slider holder 12 drives the dry eye examination apparatus 1 disposed thereon to move in the axial direction (the moving direction is shown by arrows in fig. 2, namely, a position a in the forward direction, a position C in the backward direction, and a position B in the middle position); the retraction mechanism 9 is arranged at the lower part of the slit lamp optical body 2 and moves together with the slit lamp optical body 2;
as shown in fig. 2: the retraction mechanism 9 drives the adjusting mechanism 13 and the dry eye inspection device 1 to rotate to a non-working position D (the projection device 1 is removed from the slit lamp imaging optical path, and the position where the slit lamp is used is not affected) when the slit lamp microscope is not used, and all functions of the slit lamp microscope are not affected at the position; when the slit lamp is needed to be used, the slit lamp is turned back to the working position A, B or C (the position where the optical axis of the projection device is coincident with the imaging optical axis of the slit lamp);
as shown in fig. 2: the dry eye inspection device 1 stays at the working position (the projection device is removed from the imaging optical path of the slit lamp, and the position of using the slit lamp is not influenced), and the axial movement generated by the adjusting mechanism 13 changes the distance between the dry eye inspection device 1 and the eyes of the observed person; the dry eye detection device 1 stays at a non-working position (a position where the optical axis of the projection device is overlapped with the imaging optical axis of the slit lamp), and the distance between the dry eye detection device 1 and the slit lamp optical body 2 is increased by the maximum axial displacement generated by the adjusting mechanism 13;
the cable routing of the dry eye examination device 1, the first drive device 4 and the second drive device 12 is hidden inside the instrument;
the movement of the electric retraction mechanism 8 and the movement of the adjusting mechanism 13 are controlled by system control signals.
As in the description fig. 11, the position switching rule: 1. from the working position to the non-working position D, the position D cannot be directly rotated from the position C, B, and the movement is followed by the position C → B → A → D;
2. all moving to position a, D → A, B → A, C → a, the computer system synchronizes the sound and light to alert the attention personnel to safety while adjusting the dry eye device position.
The working principle of the invention is as follows: xerophthalmia inspection device 1 stops at inoperative position D or inoperative position E, when needs use xerophthalmia inspection device 1, send system control signal by the computer, driving gear 5 drive cover above that first drive arrangement 4 drive is received and is put the driven gear 7 rotation on fixed part 6 for xerophthalmia inspection device 1 rotates to operative position A, aim at people's eye table, before rotating, the computer system is through the sound that sets up, the personnel's safety is noticed in the light suggestion, avoid colliding patient's outstanding position in face.
When the dry eye inspection device 1 is not required to be used, it can be automatically returned to the non-operating position D or the non-operating position E without affecting all the functions of the slit lamp. Before rotation, the device, if at position C, D, is moved to position A and then rotated while the computer system is set to provide audible and visual prompts to take care of personnel safety and avoid collision with the patient's face protrusions.
When the xerophthalmia is detected, according to different items of xerophthalmia detection, the computer sends out a system control signal according to the position library information of the xerophthalmia detection item, the second driving device 16 also can drive the screw rod 10 connected with the sliding part 11 to rotate, the sliding part 11 pushes the sliding block seat 12 connected with the sliding part and the xerophthalmia detection device 1 to move back and forth, and the sliding part 11 drives the sliding block seat 12 connected with the sliding block seat and the xerophthalmia detection device 1 to move back and forth to the detection position of the item to obtain a clear projection.
Embodiment two, as shown in fig. 5 to 8: the electric retracting mechanism and the electric adjusting mechanism are arranged on the upper part of an optical body of the slit lamp, and the structures and the working principles of other electric retracting mechanisms and the electric adjusting mechanisms are the same as those of the first embodiment, and the differences are only the installation position and the installation mode.
The collecting and releasing fixing part 6 of the electric collecting and releasing mechanism 9 is fixedly connected to the connecting seat 19, and the connecting seat 19 is connected to the upper part of the slit lamp optical body 2.
Example three, as shown in fig. 9: the electric retracting mechanism and the electric adjusting mechanism are arranged on the lower portion of an optical body of the slit lamp to the right, namely the right side face of a bent arm of the slit lamp, and the structures and the working principles of the other electric retracting mechanism and the other electric adjusting mechanism are the same as those of the first embodiment, but the structures and the working principles are different, namely the installation positions and the rotating directions.
The folding and unfolding fixing part 6 of the electric folding and unfolding mechanism 9 is fixedly connected to the right side surface of the slit lamp bent arm 3. The dry eye examination apparatus 1 can be automatically turned back to the non-working position E when not in use, without affecting all the functions of the slit lamp.
Example four, as shown in fig. 10: the electric retracting mechanism and the electric adjusting mechanism are arranged on the left side of the lower part of an optical body of the slit lamp, namely the left side surface of a bent arm of the slit lamp, and the structures and the working principles of other electric retracting mechanisms and the electric adjusting mechanisms are the same as those of the first embodiment, but the mounting positions and the rotating directions are different.
The collecting and releasing fixing part 6 of the electric collecting and releasing mechanism 9 is fixedly connected to the left side surface of the slit lamp bent arm 3. The dry eye examination apparatus 1 can be automatically turned back to the non-working position D when not in use, without affecting all the functions of the slit lamp.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments (for example, the retraction mechanism is not restricted to use a gear transmission but other transmissions; the adjustment mechanism is not restricted to use a screw nut transmission but other transmissions), but that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an xerophthalmia inspection device's guiding mechanism, includes slit lamp optics body and slit lamp curved arm, and this slit lamp optics body coupling is in slit lamp curved arm top, its characterized in that:
comprises an electric retraction mechanism, an electric adjusting mechanism and a dry eye inspection device;
the electric retraction mechanism comprises a retraction fixing part and a rotating part, and the rotating part rotates relative to the retraction fixing part;
the first driving device drives the rotating part of the electric retraction jack to rotate;
the electric adjusting mechanism comprises an adjusting fixing part and a sliding part, and the sliding part slides relative to the adjusting fixing part along the axial direction;
the fixed part of the electric adjusting mechanism is arranged on the rotating part of the electric retracting mechanism, and the dry eye inspection device is connected to the sliding part of the electric adjusting mechanism;
the second driving device drives the dry eye inspection device to move through the sliding portion.
2. The adjustment mechanism of a dry eye inspection apparatus according to claim 1, characterized in that:
the electric retraction jack fixing part is arranged in the center of the lower part of the slit lamp optical body and moves along with the slit lamp optical body;
the first driving device is fixed through the slit lamp bent arm and drives the rotating part of the electric retracting mechanism to rotate.
3. The adjustment mechanism of a dry eye inspection apparatus according to claim 1, characterized in that:
the position of the electric retraction mechanism fixing part can also be arranged at the upper part of the slit lamp optical body and moves together with the slit lamp optical body.
4. The adjustment mechanism of a dry eye inspection apparatus according to claim 1, characterized in that:
the position of the fixing part of the electric retraction mechanism can be deviated to the left at the lower part of the slit lamp optical body, namely the left side surface of the slit lamp bent arm moves together with the slit lamp optical body.
5. The adjustment mechanism of a dry eye inspection apparatus according to claim 1, characterized in that: the position of the electric retraction mechanism fixing part can be inclined to the right at the lower part of the slit lamp optical body, namely the right side surface of the slit lamp bent arm moves together with the slit lamp optical body.
6. The adjustment mechanism of a dry eye inspection apparatus according to claim 2, characterized in that: the second driving device is installed on a fixing portion of the electric adjustment mechanism.
7. The adjustment mechanism of a dry eye inspection apparatus according to claim 3, characterized in that: the cable runs of the dry eye inspection device, the first drive device, and the second drive device are hidden inside the instrument.
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| CN202021177237.4U CN212939674U (en) | 2020-06-23 | 2020-06-23 | Dry eye inspection device's guiding mechanism |
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| CN202021177237.4U CN212939674U (en) | 2020-06-23 | 2020-06-23 | Dry eye inspection device's guiding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274106A (en) * | 2020-06-23 | 2021-01-29 | 重庆康华瑞明科技股份有限公司 | Electric retracting mechanism and electric adjusting mechanism of xerophthalmia inspection device |
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2020
- 2020-06-23 CN CN202021177237.4U patent/CN212939674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274106A (en) * | 2020-06-23 | 2021-01-29 | 重庆康华瑞明科技股份有限公司 | Electric retracting mechanism and electric adjusting mechanism of xerophthalmia inspection device |
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