CN112842684B

CN112842684B - Meibomian gland therapeutic instrument

Info

Publication number: CN112842684B
Application number: CN202110348357.9A
Authority: CN
Inventors: 弥胜利; 黄嘉骏; 沈俊旭; 王安阳
Original assignee: Shenzhen Dingshi Biomedical Technology Co ltd
Current assignee: Shenzhen Dingshi Biomedical Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2024-09-27
Anticipated expiration: 2041-03-31
Also published as: CN112842684A

Abstract

The utility model provides a meibomian gland therapeutic instrument, including the shell, catch up with pressure device and bottom backing plate, catch up with pressure device and set up in the shell, catch up with pressure device and include the gyro wheel, the massage head, the connecting rod, the intermediate gear, a spring, slider frame and link, when pressing down the gyro wheel, the gyro wheel overcomes the elastic force of spring and drives to catch up with pressure device and move forward so that the massage head is close to the bottom backing plate, when releasing the gyro wheel, the spring is recovered so that the gyro wheel drives to catch up with pressure device and massage head and retreats, when the gyro wheel rolls, the rotation of gyro wheel drives the connecting rod through pinion, intermediate gear and swings in the through-hole, and drive the massage head from this along bottom backing plate extending direction motion. The meibomian gland therapeutic apparatus can apply a expelling and pressing action to the eyelid of a patient clamped between the massage head and the bottom backing plate, and press and squeeze the plug in the meibomian gland, so as to dredge the meibomian gland channel and achieve the therapeutic effect on the meibomian gland disorder.

Description

Meibomian gland therapeutic instrument

Technical Field

The invention relates to an eye medical apparatus, in particular to a meibomian gland therapeutic apparatus.

Background

In the human eye, the tear film covering the cornea consists of three films. The innermost layer in contact with the cornea is the mucus layer. The mucus layer contains a large number of mucins. The intermediate layer in contact with the mucus layer is a watery layer. The aqueous layer occupies the vast majority of the tear film. The aqueous layer is important because it provides a protective layer and lubrication to prevent dryness of the eye. The outermost layer consists of a number of lipids known as "meibum" or "sebum". The outermost lipid layer is very thin, typically below 250nm in thickness. The lipid layer provides a blanket protection over the water sample layer to limit the evaporation rate of the water sample layer. Too fast evaporation of the aqueous layer can lead to dryness of the eye. During blinking, the lipid layer also lubricates the eyelid, which can prevent dry eye. Eye dryness is a well-known ocular disorder, which is commonly referred to as "dry eye". If the lipid layer can be corrected, it is possible to reduce the evaporation rate, improve lubrication, and achieve a state of partial or complete alleviation of dry eye.

Sebum, which forms the outermost lipid layer, is secreted by the meibomian glands of the eye. Meibomian glands are specialized, adipose-type glands located above the upper and lower eyelids. The meibomian glands contain holes through which lipid secretions are discharged onto the meibomian rims, so that when the mammal blinks, the lipid secretions can be dispersed, thereby forming a lipid layer of the tear film. Meibomian glands contain a variety of bladder-like acini that flow secretions into the central tube of the gland. The meibomian gland orifice opens at the junction of the internal mucosa and the external skin. These openings of the meibomian glands are prone to blockage by inflammation and the like, resulting in the inability of the meibomian glands to drain, an unhealthy lipid layer or insufficient amounts of such lipids can lead to accelerated evaporation of the water sample layer, most directly leading to various dry eye conditions, and additionally, meibomian adenosis (hordeolum) and meibomian adenocysts (shot puffiness) are also common.

Although dry eye symptoms have many etiologies, the failure of the meibomian glands to adequately produce lipid layers is a common cause of the general dry eye state. This condition is known as "meibomian gland dysfunction, also known as MGD. MGD is due to blockage of meibomian glands. Meibomian gland blockage further restricts sebum flow, a condition that promotes cell growth around the gland orifice, thereby exacerbating meibomian gland blockage. The clotting of the blocked sebum also exacerbates the blockage of meibomian glands. Various therapeutic treatments have been developed to treat dry eye. These therapies include drops used to replicate and replace the natural aqueous tear film, and drugs used to stimulate tear-producing cells. The naturally occurring healthy tear film is re-engraved with a drug. These therapies are merely treatment of surface symptoms and not treatment at all.

The current clinical methods for treating meibomian gland dysfunction are meibomian gland hot compress and extrusion massage, wherein the hot compress can soften the obstruction in the meibomian gland channel, and the extrusion massage can discharge the obstruction in the gland. The traditional meibomian gland massage method is that after hot compress, medical staff squeezes the eyelid through a glass stick, a cotton swab or medical forceps. This course of treatment is accompanied by pain, which results in fear psychology for the patient, thus giving psychological burden to the treatment of the disease. The eyelid is not heated and kept warm in the extrusion process, so that the temperature of the area is reduced, and the blockage is solidified again, so that hot compress is needed to be carried out again after a certain period of time. This method of operation is cumbersome and the force control is inaccurate.

While the prior art provides a variety of treatments for dry eye, the underlying cause of the treatment is that of the symptoms, not the symptoms. Many patients suffer from dry eye due to obstructions or occlusions in the risk board glands. Therefore, there is a need to provide an effective treatment for meibomian glands, and the clinical treatment described above is largely dependent on the manipulation of the operator, and the operation process is complicated and burdensome on the patient.

It should be noted that the information disclosed in the above background section is only for understanding the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The invention aims to overcome the defects of the background technology and provide a meibomian gland therapeutic apparatus.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The utility model provides a meibomian gland therapeutic apparatus, includes the shell, catch up with pressure device and bottom backing plate, catch up with pressure device set up in the shell, catch up with pressure device includes gyro wheel, massage head, connecting rod, intermediate gear, spring, slider frame and link, a portion of gyro wheel is followed the breach of shell exposes, be provided with on the gyro wheel axle of gyro wheel with gyro wheel synchronous rotation's pinion, the pinion with intermediate gear meshing, the massage head is connected in the first end of connecting rod, the slider frame has the through-hole, the cross-sectional area of through-hole is along keeping away from the direction of intermediate gear reduces gradually, the connecting rod wears to install in the through-hole, the second end of connecting rod stretches out the rear end of through-hole, be provided with the intermediate gear axle on the slider frame, the intermediate gear is installed on the intermediate gear axle, the middle gear is connected with the second end of the connecting rod, the connecting frame is provided with a middle gear shaft hole and a roller shaft hole, the middle gear shaft and the roller shaft are respectively arranged in the middle gear shaft hole and the roller shaft hole, the connecting frame and the outer side part of the sliding block frame are matched with the shell in a sliding rail mode, the spring is coupled between the shell and the roller, when the roller is pressed down, the roller overcomes the elastic force of the spring to drive the pressing device to move forwards so that the massage head approaches to the bottom base plate, when the roller is released, the spring is restored so that the roller drives the pressing device and the massage head to retreat, when the roller rolls, the rotation of the roller drives the connecting rod to swing in the through the pinion and the middle gear, and thereby drive the massage head to perform a movement in the direction in which the bottom pad extends.

Further:

the intermediate gear is provided with a connecting shaft, the second end of the connecting rod is provided with a connecting shaft hole, and the connecting shaft is installed in the connecting shaft hole.

The root of the connecting shaft is provided with a pad table, and the pad table is contacted with the connecting rod to position.

The size of the smallest section of the through hole is equal to the size of the section of the connecting rod, and the connecting rod is in contact with the sliding block overhead line at the smallest section.

The two ends of the roller shaft are provided with blades, the roller shaft hole is provided with a fan-shaped area, and the blades are limited to rotate in the fan-shaped area, so that the rotation angle of the roller is limited.

The side of gyro wheel is provided with fixed part, the one end of spring is connected fixed part, the other end of spring is connected the shell.

The connecting frame and the outer side part of the sliding block frame are matched with the shell in a sliding rail mode, and the sliding rail type connecting frame comprises: the utility model discloses a slider frame, including slider frame, link, first pair of boss, second pair of boss, the both sides of slider frame are provided with a pair of boss, the both sides of link are provided with first pair of boss and second pair of boss, first pair of boss is than the second is closer to the boss of slider frame, the both sides of shell are provided with first pair of recess and second pair of recess, the boss of slider frame with the first pair of boss of link is limited to slide in the first pair of recess, the second pair of boss of link is limited to slide in the second pair of recess.

The pressing device is of a bilateral symmetry structure.

The massage head is internally provided with a heater.

The casing is provided with the camera towards the direction of bottom backing plate, still be provided with on the casing and be used for showing the display of the picture that the camera shot.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a meibomian gland therapeutic apparatus, which can treat meibomian gland dysfunction by means of pressing. In the treatment process, the rolling wheel is pressed down and rolled, the rolling wheel is rotated by the pressing device to be converted into pressing movement of the massage head along the extending direction of the bottom backing plate (at the moment, the movement of the massage head is similar to linear movement along the bottom backing plate), the pressing action is applied to the eyelid of a patient clamped between the massage head and the bottom backing plate, and the obstruction in the meibomian gland is pressed and extruded, so that the meibomian gland channel is dredged, and the treatment effect on the meibomian gland disorder is achieved. Further, the heater is arranged in the massage head, the eyelid of the patient is heated while the expelling and pressing effect is exerted on the eyelid, and the plug in the meibomian gland of the patient is heated and softened and pressed out, so that the massage head has better treatment effect.

Drawings

Fig. 1A is a top view of a pressing device according to an embodiment of the invention.

Fig. 1B is an exploded view of the pressing device according to the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the massage head 120 and the connecting rod 150 according to an embodiment of the invention.

Fig. 3A is a top view of an idler gear 140 according to an embodiment of the present invention.

Fig. 3B is a perspective view of the intermediate gear 140 according to an embodiment of the present invention.

Fig. 4A is an assembled structure diagram of the massage head 120, the link 150, the intermediate gear 140, and the slider frame 160 according to the embodiment of the present invention.

Fig. 4B is a top view of the assembled structure shown in fig. 4A.

Fig. 4C is a cross-sectional view AA of the assembled structure shown in fig. 4B.

Fig. 5A is a front view of a roller in accordance with an embodiment of the present invention.

Fig. 5B is a perspective view of a roller in accordance with an embodiment of the present invention.

Fig. 6A is a front view of a connector according to an embodiment of the present invention.

Fig. 6B is a cross-sectional view AA of the connector shown in fig. 6A.

Fig. 6C is a perspective view of a connector according to an embodiment of the present invention.

Fig. 7 is an assembly schematic diagram of the pressing device according to the embodiment of the invention (only half of the slider frame 160 and the connecting frame 180 are shown).

Fig. 8A is an interior front view of a housing 700 according to an embodiment of the present invention.

Fig. 8B is an internal perspective view of a housing 700 according to an embodiment of the present invention.

Fig. 9A is an assembly structure diagram of the pressing device and the housing according to the embodiment of the invention.

Fig. 9B is another view of an assembly structure of the pressing device and the housing according to the embodiment of the invention.

Fig. 10A is a schematic diagram of a sliding track of the pressing device on the housing according to an embodiment of the invention.

Fig. 10B is a schematic diagram of a groove on a housing according to an embodiment of the invention.

Fig. 11 is a schematic diagram of the cooperation between the pressing device and the bottom pad according to the embodiment of the invention.

Fig. 12 is a schematic view of a massage head with a heating device according to an embodiment of the invention.

Fig. 13 is a cross-sectional view of a meibomian gland therapeutic apparatus according to an embodiment of the present invention.

Fig. 14 is an external view of a meibomian gland therapeutic apparatus according to an embodiment of the present invention.

Fig. 15 is a schematic view of an assembly structure of a bottom pad according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in detail. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the invention or its applications.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for both a fixing action and a coupling or communication action.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing embodiments of the invention and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 14, an embodiment provides a meibomian gland therapeutic apparatus, including a housing 700, a pressing device and a bottom pad 130, the pressing device is disposed in the housing 700, the pressing device includes a roller 110, a massage head 120, a connecting rod 150, an intermediate gear 140, springs 910, 920, a slider frame 160 and a connecting frame 180, a portion of the roller 110 is exposed from a notch of the housing 700, a roller shaft of the roller 110 is provided with pinions 1101, 1102 synchronously rotating with the roller 110, the pinions 1101, 1102 are meshed with the intermediate gear 140, the massage head 120 is connected to a first end of the connecting rod 150, the slider frame 160 has a through hole, a sectional area of the through hole gradually decreases along a direction away from the intermediate gear 140, the connecting rod 150 is installed in the through hole, a second end of the connecting rod 150 extends out of a rear end of the through hole, an intermediate gear shaft is disposed on the slider frame 160, the intermediate gear 140 is installed on the intermediate gear shaft, the intermediate gear shaft is meshed with the intermediate gear shaft, the intermediate gear 150 is connected with the second end of the slider frame 160, the spring 910 is installed on the side of the slider frame 180, and the spring 910 is installed on the side of the housing 110, and the side of the connecting frame 180 is pressed against the spring 910, when the roller frame is connected to the side of the housing 110, and the spring 910 is pressed against the side of the shaft hole 110, and the spring 910 is installed on the side of the housing 110, and the side of the roller frame is pressed against the spring 910, and the side of the spring 910, which is pressed 920, so that the roller 110 drives the pressing device and the massage head 120 to retract, and when the roller 110 is rolled, the rotation of the roller 110 drives the connecting rod 150 to swing in the through hole through the pinions 1101 and 1102 and the intermediate gear 140, and thereby drives the massage head 120 to move along the extending direction of the bottom pad 130. The bottom pad 130 may be fixedly disposed on the housing 700.

The meibomian gland therapeutic apparatus can treat meibomian gland dysfunction in a pressing mode. In the treatment process, the rolling wheel is pressed down and rolled, the rolling wheel is rotated by the pressing device to be converted into pressing movement of the massage head along the extending direction of the bottom backing plate (at the moment, the movement of the massage head is similar to linear movement along the bottom backing plate), the pressing action is applied to the eyelid of a patient clamped between the massage head and the bottom backing plate, and the obstruction in the meibomian gland is pressed and extruded, so that the meibomian gland channel is dredged, and the treatment effect on the meibomian gland disorder is achieved.

Referring to fig. 12, in the preferred embodiment, a heater 121 is provided inside the massage head, and the eyelid of the patient is heated by the heater while the pressing action is applied to the eyelid, so that the obstruction in the meibomian gland of the patient is softened by heating and pressed out, thereby having better therapeutic effect.

Specific embodiments of the present invention are described below by way of further examples.

As shown in fig. 1A and 1B, the pressing device includes a roller 110, a massage head 120, a connecting rod 150, an intermediate gear 140, a slider frame 160 and a connecting frame 180. The pressing device is a mechanism which is symmetrical left and right.

As shown in fig. 2, the massage head 120 is connected to one end of a connecting rod 150, and two holes 151 and 152 are formed in the other end of the connecting rod 150, and the two holes are symmetrically arranged on the left and right.

Fig. 3A to 3B show the intermediate gear 140. The intermediate gear may have more than one gear, in this case two gears 141, 142, which are symmetrically arranged left and right, each gear 141, 142 being provided with a shaft 1411, 1422 on the circumference of the inner side, the root of the shaft 1411, 1422 being provided with a pad 1412, 1422. The surface of the gear having the shaft is referred to as the inner surface, and the other surface opposite to the inner surface is referred to as the outer surface. Each gear 141, 142 has a hole 1413, 1423 in the center.

Fig. 4A to 4C show a group-like structure of the massage head 120, the link 150, the intermediate gear 140, and the slider frame 160. The diameter of the holes 151, 152 in the connecting rod 150 is adapted to the diameter of the shafts 1411, 1421 in the intermediate gear 140, the hole 151 is in shaft hole engagement with the shaft 1411, and the hole 152 is in shaft hole engagement with the shaft 1412. Pad platforms 1412, 1422 contact the links for positioning. The slider frame 160 has shafts 161 and 162 corresponding to the number of intermediate gears, and the shafts 161 and 162 are symmetrically arranged as shown. The diameters of the shafts 161 and 162 are adapted to the diameters of the holes 1413, 1423 in the intermediate gear 140, the shaft 161 is in shaft hole engagement with the hole 1413, and the shaft 162 is in shaft hole engagement with the hole 1423. The inner surface of the intermediate gear 140 faces the slider frame 160. The slider frame 160 is provided with bosses, in this example a pair of bosses 163, 164, distributed on the left and right sides. The slider frame 160 has a through hole through which the link 150 passes, and the cross-sectional area of the hole of the slider frame 160 gradually decreases in a direction away from the intermediate gear 140, and the size of the smallest cross-section 169 of the through hole is equal to the size of the cross-section of the link 150. The connecting rod 150 is in line contact with the slider frame 160, and can slide and rotate in the through hole.

As shown in fig. 5A to 5B, pinions 1101, 1102 engaged with the two intermediate gears 141, 142 are symmetrically arranged on both sides of the roller 110, respectively, and the pinions 1101, 1102 on the roller 110 are coaxial with the roller 110, having a common shaft 111. The shaft 111 is provided with blades 1131 and 1132 at both ends. Pinion gears 1101, 1102 on the roller 110 are geared with intermediate gears 141, 142. The roller 110 has a convex fixing portion on its disk surface, which in this example includes two cylinders 1121, 1122 symmetrically distributed on the disk surface on both sides of the roller 110 for connection with one ends of two springs.

As shown in fig. 6A-6C, the connector 180 has a first pair of holes 1861, 1862 and a second pair of holes 1811, 1812. The diameter of the first pair of holes 1861, 1862 is adapted to the diameter of the shafts 161, 162 of the slider frame 160 passing through the intermediate gears 141, 142. The diameter of the second pair of holes 1811, 1812 is adapted to the diameter of the shaft 111 of the gears 1101, 1102 on the roller 110. The outer periphery of the second pair of holes 1811, 1812 is also provided with scalloped areas 1813, 1814. The connector frame 180 is also provided with bosses, in this example comprising a first pair of bosses 183, 184 and a second pair of bosses 187, 188.

As shown in fig. 5A to 7, the holes 1861, 1862 of the link frame 180 are respectively shaft-hole-fitted with the shafts 161, 162 on the slider frame 160. The holes 1811, 1812 of the link frame 180 are respectively shaft-hole-fitted with the shaft 111 of the roller 110. Blades 1131, 1132 on shaft 111 are confined in scallops 1813, 1814, thereby limiting the roll angle of roller 110. Gears 1101, 1102 on roller 110 are geared with intermediate gears 141, 142.

As shown in fig. 8A to 8B, there are a first pair of grooves 721, 722 and a second pair of grooves 731, 732 on the left and right sides of the inside of the housing 700, the first pair of grooves 721, 722 being arranged symmetrically left and right, and the second pair of grooves 731, 732 being arranged symmetrically left and right. Grooves 721 are parallel to grooves 731 and grooves 722 are parallel to grooves 732. Near the groove there are two holes 741, 742. Referring to fig. 6A to 8B, the sliding limits of the bosses 163, 164 on the slider frame 160 and the first pair of bosses 183, 184 on the link frame 180 are located in the first pair of grooves 721, 722, the widths of the bosses 163, 164 on the slider frame 160, the widths of the first pair of bosses 183, 184 on the link frame 180 are adapted to the values of the three. The second pair of bosses 187, 188 on the connector frame 180 are slidably received in the second pair of recesses 731, 732, the width of the second pair of recesses 731, 732 and the width of the second pair of bosses 187, 188 on the connector frame 180 being adapted.

Referring to fig. 9A to 10B, the bosses 163 and 183 are inserted into the grooves 721, and the bosses 164 and 184 are inserted into the grooves 722. The boss 187 is inserted into the recess 731 and the boss 188 is inserted into the recess 732. The boss 163 and the boss 183 can move a distance in the groove 721, and the boss 164 and the boss 184 can move a distance in the groove 722. The boss 187 may move a distance in the recess 731 and the boss 188 may move a distance in the recess 732. The four moving distances synchronously change. One end of the spring 910 hooks the cylinder 1121 on the roller and the other end hooks the hole 741 on the housing. One end of the spring 920 is hooked to the cylinder 1122 on the roller and the other end is hooked to the hole 742 of the housing. In the initial position, the spring is already preloaded. Bosses 183 and 184 are limited to the ends of grooves 721 and 722 near the springs, and bosses 187 and 188 are limited to the ends of grooves 731 and 732 near the springs. The spring is stretched as soon as the mechanism moves forward in the groove, giving the roller a forward movement. Until the bosses 163 and 164 are restrained at the ends of the grooves 721 and 722 distal from the springs, and the bosses 187 and 188 are restrained at the ends of the grooves 731 and 732 distal from the springs. The spring has the functions of resetting the pressing device and providing buffer action to prevent the operator from forcefully injuring the eyelid of the patient. In other embodiments, compression springs may be used instead of tension springs in the opposite position.

Referring to fig. 12, the massage head 120 is a heat source, and the massage head has embedded therein a heater 121, a temperature sensor 122, and a pressure sensor 123. The heater is controlled by a controller. The controller sends a heating signal to the heater, which heats the massage head to warm the eyelid of the patient, and the massage head can transfer heat to the eyelid of the patient to raise the temperature of the eyelid of the patient up to 42 degrees celsius, and the obstruction in the meibomian glands softens at such temperature. The massage head can continuously transfer heat to the eyelid during treatment, so that the eyelid maintains temperature during treatment.

Referring to fig. 11 to 15, the meibomian gland therapeutic apparatus has a controller 200, a battery 300, a display 400, a camera 500, a charging interface 600, a housing 700, a start button 810, an up-shift object button 821, and a down-shift object button 822. After the system is started, the object is framed by the keys 821 and 822, the heating is selected by touching the key 810, and the controller can make the heating element in the massage head work to generate heat. The temperature sensor detects the temperature of the massage head and feeds back the temperature to the controller, and the controller sends a signal to the display, and the display displays the temperature.

The plugs in the meibomian glands soften at a temperature of about 42 degrees celsius, and the pulse pressure provided by the pressure expelling device can squeeze the softened plugs out of the meibomian gland orifices.

The meibomian gland part of the patient can be displayed on the display 400 in an enlarged manner by shooting through the camera 500, so that the observation of doctors is facilitated. The camera 500 may also take pictures of the patient's meibomian gland site on command and store in an internal memory.

As shown in fig. 15, the bottom pad 130 has holes 131, the outermost layer of the massage head has a membrane 124, and the body housing has nails 711. The hole 131 may mate with the peg 711. And (5) lifting the bottom base plate upwards, removing the bottom base plate from the frame, and taking out the bottom base plate. And after the bottom backing plate is replaced with a new bottom backing plate and aligned, the bottom backing plate is pressed downwards, so that the bottom backing plate is matched with the frame. The bottom pad is removable. The bottom pad can be detached from the frame or loaded onto the frame, and will not fall off due to its own movement after loading. The bottom backing plate and the film are consumable materials, and can be replaced with new ones quickly each time.

When the roller is pressed down in the use process, the relative positions among the roller, the intermediate gear, the connecting rod and the massage head are unchanged, and all the rollers are integrally close to the bottom base plate. The pressing device can be operated manually. The roller is pressed down, and the massage head approaches to the bottom pad. The rolling roller can move the massage head along the meibomian gland channel direction, and the moving track of the massage head is approximate to a straight line. During the movement, the distance between the massage head and the bottom pad remains almost unchanged. Immediately after unloading the force on the roller, the expelling and pressing device is reset, and the eyelid of the patient is no longer stressed.

In the state that the pressing roller is not stressed, the distance between the massage head and the bottom backing plate is large and is 5 times of the average thickness of the eyelid of the human body. In the process of pressing down the roller, the distance between the massage head and the bottom backing plate is reduced, and finally, the distance between the massage head and the bottom backing plate is smaller than the average thickness of the eyelid of the human body, and the eyelid can be in an extrusion state. In the process of rolling the roller, when the distance between the massage head and the bottom backing plate is maximum, the eyelid can not be in a relaxed state.

When the eyelid is clamped between the massage head and the bottom backing plate, the movement of the massage head can realize the pressing of the eyelid.

The background section of the present invention may contain background information about the problems or environments of the present invention and is not necessarily descriptive of the prior art. Accordingly, inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a further detailed description of the invention in connection with specific/preferred embodiments, and it is not intended that the invention be limited to such description. It will be apparent to those skilled in the art that several alternatives or modifications can be made to the described embodiments without departing from the spirit of the invention, and these alternatives or modifications should be considered to be within the scope of the invention. In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "preferred embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Those skilled in the art may combine and combine the features of the different embodiments or examples described in this specification and of the different embodiments or examples without contradiction. Although embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The meibomian gland therapeutic apparatus is characterized by comprising a shell, a pressing device and a bottom backing plate, wherein the pressing device is arranged in the shell and comprises a roller, a massage head, a connecting rod, an intermediate gear, a spring, a slide block frame and a connecting frame, a part of the roller is exposed out of a notch of the shell, a pinion which rotates synchronously with the roller is arranged on a roller shaft of the roller and is meshed with the intermediate gear, the massage head is connected with a first end of the connecting rod, the slide block frame is provided with a through hole, the cross section area of the through hole gradually decreases along the direction away from the intermediate gear, the connecting rod is arranged in the through hole in a penetrating way, a second end of the connecting rod extends out of the rear end of the through hole, an intermediate gear shaft is arranged on the slide block frame and is arranged on the intermediate gear shaft, the middle gear is connected with the second end of the connecting rod, the connecting frame is provided with a middle gear shaft hole and a roller shaft hole, the middle gear shaft and the roller shaft are respectively arranged in the middle gear shaft hole and the roller shaft hole, the connecting frame and the outer side part of the sliding block frame are matched with the shell in a sliding rail mode, the spring is coupled between the shell and the roller, when the roller is pressed down, the roller overcomes the elastic force of the spring to drive the pressing device to move forwards so that the massage head approaches to the bottom base plate, when the roller is released, the spring is restored so that the roller drives the pressing device and the massage head to retreat, when the roller rolls, the rotation of the roller drives the connecting rod to swing in the through the pinion and the middle gear, and drive from this the massage head is followed the direction of extension of bottom backing plate moves, be provided with the connecting axle on the intermediate gear, be provided with the connecting axle hole on the second end of connecting rod, the connecting axle install in the connecting axle hole, the size of the minimum cross-section department of through-hole equals with the size of the cross-section of connecting rod, the connecting rod is here with slider overhead line contact.

2. The meibomian gland therapeutic apparatus of claim 1, wherein the root of the connecting shaft is provided with a pad which contacts the connecting rod for positioning.

3. The meibomian gland therapeutic apparatus of claim 1, wherein the roller axle is provided with blades at both ends thereof, the roller axle bore is provided with a scalloped region, and the blades are restricted to rotate within the scalloped region, thereby restricting the rotational angle of the roller.

4. The meibomian gland therapeutic apparatus of claim 1, wherein the roller is provided with a fixing portion on a side surface thereof, one end of the spring is connected to the fixing portion, and the other end of the spring is connected to the housing.

5. The meibomian gland therapeutic apparatus of claim 1, wherein the coupling frame and the outer portion of the slider frame slidably cooperate with the housing including: the utility model discloses a slider frame, including slider frame, link, first pair of boss, second pair of boss, the both sides of slider frame are provided with a pair of boss, the both sides of link are provided with first pair of boss and second pair of boss, first pair of boss is than the second is closer to the boss of slider frame, the both sides of shell are provided with first pair of recess and second pair of recess, the boss of slider frame with the first pair of boss of link is limited to slide in the first pair of recess, the second pair of boss of link is limited to slide in the second pair of recess.

6. The meibomian gland therapeutic apparatus of any one of claims 1 to 5, wherein the pressure expelling device is of a bilateral symmetry.

7. The meibomian gland therapeutic apparatus of any one of claims 1 to 5, wherein a heater is provided inside the massage head.

8. The meibomian gland therapeutic apparatus of any one of claims 1 to 5, wherein the housing is provided with a camera in a direction toward the bottom pad, and a display for displaying a picture taken by the camera is further provided on the housing.