CN117398233A - Portable meibomian gland therapeutic instrument - Google Patents
Portable meibomian gland therapeutic instrument Download PDFInfo
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- CN117398233A CN117398233A CN202311714255.XA CN202311714255A CN117398233A CN 117398233 A CN117398233 A CN 117398233A CN 202311714255 A CN202311714255 A CN 202311714255A CN 117398233 A CN117398233 A CN 117398233A
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- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 43
- 210000004175 meibomian gland Anatomy 0.000 title claims abstract description 39
- 210000000744 eyelid Anatomy 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000020169 heat generation Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 210000001508 eye Anatomy 0.000 description 31
- 238000001125 extrusion Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 206010065062 Meibomian gland dysfunction Diseases 0.000 description 3
- 210000004087 cornea Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 210000003786 sclera Anatomy 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010013700 Drug hypersensitivity Diseases 0.000 description 1
- 208000003556 Dry Eye Syndromes Diseases 0.000 description 1
- 206010013774 Dry eye Diseases 0.000 description 1
- 206010015943 Eye inflammation Diseases 0.000 description 1
- 208000023715 Ocular surface disease Diseases 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 201000005311 drug allergy Diseases 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0157—Constructive details portable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/02—Head
- A61H2205/022—Face
- A61H2205/024—Eyes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Dermatology (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention provides a portable meibomian gland therapeutic apparatus, which comprises an apparatus shell, an eye shield and a pressing device; the eye shield includes an eyelid portion; the pressing device comprises a pressing block and a pressing driving assembly for driving the pressing block to move; a display touch screen and a pressure sensor are arranged on the instrument shell; the pressing driving assembly comprises a movable seat, a driving seat, a first elastic element and a linear motor; the driving seat is fixedly arranged on a motor push rod of the linear motor and is in sliding fit with the movable seat in the front-back direction; the first elastic element is coupled between the driving seat and the movable seat and is used for pushing the movable seat to move forwards; the driving seat is provided with a first auxiliary back-off piece for assisting the movable seat to move backwards; the movable seat drives the pressing block to move back and forth through the pressing transmission assembly; the display touch screen controls the linear motor to move according to the pressing force detected by the pressure sensor so as to provide a preset periodical pressing force for the eyelid; the therapeutic apparatus not only can realize accurate control of the pressing force, but also can effectively reduce the labor intensity of operators.
Description
Technical Field
The invention belongs to the technical field of eye medical appliances, and particularly relates to a portable meibomian gland therapeutic apparatus.
Background
Meibomian gland dysfunction is a common ocular surface disease, mainly caused by systemic diseases, drugs, environment, local eye inflammation and other factors; moreover, with the popularization of electronic products such as computers and mobile phones, the incidence of meibomian gland dysfunction is rising year by year, and the normal life of the patient is greatly affected.
At present, the influence of meibomian gland dysfunction is relieved clinically mainly through drug treatment and physical treatment; although the drug treatment is convenient, the curative effect is limited, and part of patients also have drug allergy phenomenon, so that the promotion and application are inconvenient; physical therapy mainly comprises hot compress, which can soften the obstruction in the meibomian glands, and eyelid squeezing, which can expel the obstruction in the glands. The traditional eyelid extrusion is carried out by medical staff after hot compress by glass rods, cotton swabs or medical forceps, and the traditional eyelid extrusion is very dependent on the operation method of the medical staff, so that great psychological burden is easily brought to patients.
The patent application 202110348357.9 discloses a meibomian gland therapeutic apparatus, which converts the rotation of a roller into a pressing motion of a massage head along the extending direction of a bottom pad by pressing down and rolling the roller in the therapeutic process, so as to apply a pressing action to the eyelid of a patient clamped between the massage head and the bottom pad, thereby extruding a blockage in the meibomian gland to achieve the purpose of dredging the meibomian gland channel. Although the meibomian gland therapeutic apparatus effectively reduces the requirement on the operation technique, the finger burden of operators is greatly increased due to the frequent rolling of the rollers in the therapeutic process; in addition, since the pressing force of the device is completely manually controlled by an operator, there is a problem in that the force control is not accurate.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, an object of the present invention is to provide a portable meibomian gland therapeutic apparatus that can automatically control a pressing block movement according to a pressing force detected by a pressure sensor to provide a preset periodic pressing force to meibomian glands at the eyelid, not only ensuring the control accuracy of the pressing force, but also effectively reducing the operation burden of an operator.
To achieve the above and other objects, the present invention provides a portable meibomian gland therapeutic apparatus, comprising an apparatus housing, an eye shield, and a pressing device; the eye shield comprises an eyelid part positioned at the front end of the instrument shell; the pressing device comprises a pressing block and a pressing driving assembly for driving the pressing block to be close to or far away from the eyelid part; a display touch screen and a pressure sensor for detecting pressing force are arranged on the instrument shell; the pressing driving assembly comprises a movable seat, a driving seat, a first elastic element and a linear motor, wherein the movable seat, the driving seat, the first elastic element and the linear motor are positioned in the instrument shell; the driving seat is fixedly arranged on a motor push rod of the linear motor and is in sliding fit with the movable seat in the front-back direction; the first elastic element is coupled between the driving seat and the movable seat and is used for pushing the movable seat to move forwards; a first auxiliary back-off piece for assisting the movable seat to move backwards is arranged on the driving seat; the movable seat drives the pressing block to move back and forth through the pressing transmission assembly; the display touch screen controls the linear motor to move according to the pressing force detected by the pressure sensor so as to provide a preset periodical pressing force for the eyelid; the therapeutic apparatus not only can realize accurate control of the pressing force, but also can effectively reduce the labor intensity of operators.
Preferably, the pressure sensor is buried in the pressing block; the pressing transmission assembly comprises a pushing block connected with the pressing block, and the pushing block is fixedly connected with the movable seat.
Preferably, the pressing transmission assembly comprises a push block and a push block mounting seat; the pushing block mounting seat is fixedly connected with the pressing block through the pushing block; the pressure sensor is arranged at the top of the movable seat, and the pushing block mounting seat is provided with a dowel bar matched with the pressure sensor; a second auxiliary back-off piece for the backward movement of the auxiliary push block mounting seat is arranged on the driving seat or the motor push rod; because the pressure sensor is far away from the eyelid part and the pressing block, the influence of heat generated when the eyelid part or the pressing block heats the eyelid on the precision of the pressure sensor is effectively avoided.
Preferably, a first sliding hole and a second sliding hole which are communicated are arranged in the movable seat; the aperture of the first sliding hole is smaller than that of the second sliding hole, and a step structure is formed at the joint of the first sliding hole and the second sliding hole; the driving seat comprises a first driving sleeve and a second driving sleeve which are sequentially arranged from front to back; the first driving sleeve is in sliding fit with the first sliding hole, and the second driving sleeve is in sliding fit with the second sliding hole; the first elastic element is sleeved on the first driving sleeve, and two ends of the first elastic element are respectively abutted with the second driving sleeve and the step structure; one end of the first driving sleeve, which is far away from the second driving sleeve, extends out of the front end of the movable seat, and the first auxiliary rollback piece is arranged on the extending part of the first driving sleeve; because the movable seat is sleeved outside the driving seat in a sliding way, the whole pressing driving assembly is more compact, and the whole therapeutic apparatus is smaller in structure.
Preferably, a reset sensor connected with the display touch screen is arranged in the instrument shell, so that the pressing block can be automatically reset to an initial position when the therapeutic instrument is started and initialized, and the normal operation of subsequent treatment is ensured.
Preferably, the eye shield comprises a connecting part which is positioned at the lower end of the eyelid part and extends backwards, and the connecting part of the eye shield is detachably arranged on the instrument shell so as to facilitate the disinfection and replacement of the eye shield by a user.
Preferably, the left side and the right side of the connecting part are provided with guide sliding blocks; a guide chute matched with the guide sliding block is arranged in the instrument shell; a rotating shaft is rotatably arranged in the instrument shell; the rotating shaft is perpendicular to the guide sliding grooves, and the left end and the right end of the rotating shaft extend into the two guide sliding grooves respectively; the bottom of the guide sliding block is provided with a clamping groove, and the rotating shaft is provided with a clamping block matched with the clamping groove; the instrument shell is internally provided with a second elastic element for locking the clamping block in the corresponding clamping groove; an unlocking driving plate is fixed on the rotating shaft; an unlocking button for driving the unlocking driving plate to rotate is arranged on the instrument shell; the rotating shaft rotates by pressing the unlocking button, so that the clamping block withdraws from the corresponding clamping groove.
Preferably, the eyelid part comprises an eyelid shell, a first heat dissipation layer, a heat insulation layer and a heating layer which are sequentially arranged in the eyelid shell from front to back; a heating element and a temperature sensor are arranged in the heating layer; the connecting part comprises a connecting shell, a second heat dissipation layer and a wire installation layer, wherein the second heat dissipation layer and the wire installation layer are arranged in the connecting shell in a stacked mode; the connecting shell is connected with the eyelid shell; the second heat dissipation layer is connected with the first heat dissipation layer; the heating element and the temperature sensor are electrically connected with a printed circuit board in the instrument shell through wires, and the printed circuit board is connected with the display touch screen; the wires are arranged in the wire mounting layer, and a contact electrode connected with each wire is arranged at one end of the wire mounting layer, which is far away from the eyelid part; a conducting plate in flexible connection with the printed circuit board is fixed between the two clamping blocks, and conducting columns corresponding to the contact electrodes one by one are arranged on the conducting plate; the heat transferred from the heat insulation layer can be further transferred to the second heat dissipation layer by the first heat dissipation layer for diffusion, so that sclera and cornea thermal damage caused by overhigh temperature of the first heat dissipation layer is effectively avoided, and heating safety is improved.
Preferably, a heating element and a temperature sensor are arranged in the pressing block.
Preferably, a power switch and a control switch are arranged on the instrument shell; the power switch is connected with the power supply unit and used for controlling the on-off state of the portable meibomian gland therapeutic apparatus; the control switch is connected with the display touch screen and is used for controlling the start and the end of treatment.
Preferably, the power supply unit includes a rechargeable battery located in the instrument housing and a charging interface provided at a lower end of the instrument housing.
As described above, the portable meibomian gland therapeutic apparatus of the present invention has the following beneficial effects:
the therapeutic apparatus can automatically control the linear motor to move according to the detection value of the pressure sensor, so that the pressing block automatically provides accurate and controllable periodical pressing force for the eyelid, and the defects of inaccurate pressing force control and high finger labor intensity in the traditional manual control are effectively overcome; the first elastic element can absorb part of the thrust provided by the linear motor and transmit the rest thrust to the pressing block to press the meibomian glands, so that the damage to the eyelid caused by overlarge thrust of the linear motor is effectively avoided; in addition, the first elastic element can also solve the difficult problem that the eyelid is clamped by the pressing block and the eyelid part and is not easy to separate due to the sudden failure of the linear motor in the extrusion process; the pressure sensor adopts a scheme far away from the eyelid part, so that the influence of temperature drift on the accuracy of the pressure sensor is effectively reduced; the detachable design of the eye shield is also convenient for users to disinfect and replace the eye shield, so that the treatment safety is improved, and the problem of high cost caused by replacement of the whole machine is avoided.
Drawings
Fig. 1 is an exploded perspective view of a portable meibomian gland therapeutic apparatus and a charging dock.
Fig. 2 is a perspective view of an eye shield.
Fig. 3 is an exploded perspective view of the portable therapeutic apparatus.
Fig. 4 is an exploded view of the pressing device and the middle housing according to an embodiment.
Fig. 5 is a schematic cross-sectional view of the pressing device mounted on the middle housing in one embodiment.
Fig. 6 is an exploded view of a pressing device according to an embodiment.
Fig. 7 is a schematic structural view of a pressing device in another embodiment.
Fig. 8 is a schematic diagram illustrating the docking of the driving seat and the movable seat in an embodiment.
Fig. 9 is a schematic diagram illustrating the cooperation between the driving seat and the movable seat in another embodiment.
Fig. 10 is a perspective exploded view of the eye shield.
Fig. 11 is a perspective exploded view of the connection housing.
Fig. 12 is a schematic view of the docking of the shield with the lower housing.
Fig. 13 is a schematic view of fig. 12 with the eye shield removed.
Fig. 14 is a top view of fig. 13.
Fig. 15 is a perspective cross-sectional view of fig. 13.
Fig. 16 is a side cross-sectional view of the portable meibomian gland therapeutic apparatus.
Fig. 17 is a partial enlarged view at a in fig. 16.
Description of the reference numerals
The instrument housing 100, the lower housing 110, the guide chute 111, the rotation shaft 112, the latch 113, the unlocking driving plate 114, the latch connecting holder 115, the second elastic member 116, the middle housing 120, the guide rail 121, the push block guide holder 122, the upper housing 130, the eye shield 200, the eyelid portion 210, the eyelid housing 211, the first heat dissipation layer 212, the heat insulation layer 213, the heat generation layer 214, the connecting portion 220, the connecting housing 221, the upper housing 2211, the lower support plate 2212, the heat dissipation hole 22121, the escape hole 22122, the second heat dissipation layer 222, the wire mounting layer 223, the contact electrode 2231, the guide slider 230, the latch groove 231, the pressing device 300, the pressing block 310, the pressing transmission assembly 320, the push block 321, the push block mounting holder 322, the force transmission rod 323, the movable holder 330, the first slide hole 330a, the second slide hole 330b, the first elastic member 340, the driving holder 350, the first driving sleeve 351, the second driving sleeve 352, the driving plate 353, the guide shaft 354, the connecting sleeve 355, the linear motor 360, the retracting pin 370, the pressure sensor 380, the pressure sensor 410, the detected switch 422, the detected switch 520, the pressing switch 510, the pressing switch 700, the charge control plate 900, the charge control circuit 900,
description of the embodiments
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 17. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
When the portable meibomian gland therapeutic apparatus of the present application is used, the eyelid portion 210 of the eye shield 200 is placed between the upper eyelid and the eyeball or between the lower eyelid and the eyeball, and then the pressing block 310 is reciprocated to apply a periodical pressing force to the eyelid, so that the melted obstruction in the meibomian gland can be smoothly extruded, thereby alleviating the symptoms of dry eye. For convenience of description, when the eyelid portion 210 of the eye shield 200 is placed in the upper eyelid, the height direction of the eyelid portion 210 is defined as the up-down direction, the thickness direction of the eyelid portion 210 is defined as the front-back direction, and the width direction of the eyelid portion 210 is defined as the left-right direction; based on this, the X-axis direction in fig. 1 is the front-rear direction of the present application, the Y-axis direction is the left-right direction of the present application, and the Z-axis direction is the up-down direction of the present application; in fig. 5, the upper and lower sides of the paper surface are respectively the upper and lower directions, the left and right sides of the paper surface are respectively the front and rear directions, and the front and rear sides of the paper surface are respectively the left and right directions.
Example 1
As shown in fig. 1 to 6, the portable meibomian gland therapeutic apparatus according to the first embodiment can achieve separate squeezing of eyelid to squeeze out the melted obstruction in meibomian gland; the portable therapeutic apparatus includes an instrument housing 100, an eye shield 200, a pressing device 300, a pressure sensor 410, and a controller; wherein, the controller comprises a printed circuit board 600 and a display touch screen 800 which are electrically connected; the display touch screen 800 is used to set the operating parameters of the portable therapeutic apparatus and display the therapeutic process data including the pressing force.
The instrument housing 100 includes a lower housing 110 in the shape of a 7, a middle housing 120 in the shape of a 7, and an upper housing 130 in the shape of a 7, and the lower housing 110, the middle housing 120, and the upper housing 130 are detachably docked to form the instrument housing 100 having a head housing and a handle housing; the printed circuit board 600 is mounted within the handle housing of the instrument housing 100, with the display touch screen 800 disposed on top of the upper housing 130.
The eye shield 200 includes an eyelid portion 210 and a connecting portion 220 located at a lower end of the eyelid portion 210 and extending rearward; the eyelid portion 210 is mounted at the front end of the middle housing 120 through the connection portion 220, and the eyelid portion 210 is provided in a shape adapted to the eyelid (i.e., eyelid) so that the eyelid portion 210 can smoothly extend into the eyelid to be attached to the inner side of the eyelid.
The pressing device 300 includes a pressing block 310 and a pressing driving assembly that drives the pressing block 310 to move forward and backward (i.e., drives the pressing block 310 to approach or depart from the eyelid portion 210); the pressing block 310 is preferably provided in an arc shape to conform to the eyelid shape toward the front side of the eyelid portion 210; the pressing driving assembly includes a pressing transmission assembly 320, a movable seat 330, a first elastic element 340, a driving seat 350, and a linear motor 360; the pressing transmission assembly 320 comprises a push block 321 and a push block mounting seat 322; the push block 321 is used for connecting the pressing block 310 with the push block mounting seat 322 so that the pressing block 310, the push block 321 and the push block mounting seat 322 move together; the push block mounting seat 322 and the movable seat 330 are slidably mounted on the guide rail 121 in the instrument housing 100 along the front-rear direction; linear motor 360 includes a telescoping motor pushrod; the driving seat 350 is fixedly connected with the motor push rod, and the driving seat 350 is in sliding fit with the movable seat 330 in the front-rear direction; the first elastic element 340 is coupled between the driving seat 350 and the movable seat 330, and is configured to transmit a portion of the pushing force received by the driving seat 350 to the movable seat 330 to push the movable seat 330 forward; the driving seat 350 is provided with a first auxiliary retraction member for assisting the movable seat 330 to move backwards; the pressure sensor 410 is installed on the top of the movable seat 330, and the pushing block installation seat 322 is provided with a dowel bar 323 matched with the pressure sensor 410; a second auxiliary back-off piece for the backward movement of the auxiliary push block mounting seat 322 is arranged on the movable seat 330 or the motor push rod; when the motor push rod extends to push the driving seat 350 to move forward, the first elastic element 340 is deformed under pressure and pushes the movable seat 330 to move forward together with the pressure sensor 410, so that the force transmission rod 323, the push block mounting seat 322, the push block 321 and the pressing block 310 move forward together; when the motor push rod is retracted to drive the driving seat 350 to move backwards, the first auxiliary retraction member is used for assisting the movable seat 330 to retract, and the second auxiliary retraction member is used for assisting the push block mounting seat 323 to retract; the display touch screen 800 controls the linear motor 360 to move according to the pressing force detected by the pressure sensor 410 to provide a preset periodic pressing force to the eyelid.
When the therapeutic apparatus is required to be used for meibomian gland treatment, working parameters including a pressing force range are required to be set on the display touch screen 800, and in order to reduce the setting difficulty, the minimum pressing force is usually default to be 0 mmHg and cannot be adjusted; the highest pressing force is 275mmHg and can be adjusted between 0 mmHg and 300 mmHg; then, after the eyelid portion 210 of the eye shield 200 is inserted into the eyelid (i.e., eyelid) to be treated, the therapeutic apparatus is started to start treatment, so that the therapeutic apparatus enters an extrusion mode according to the preset working parameters, and automatic extrusion of the meibomian glands is realized, and in this process, the pressing force born by the eyelid is a pulsating pressing force. Because the pressing force required in the whole treatment process is provided by an automatic control mode, the defects of inaccurate pressing force control and high finger labor intensity in the traditional manual control are effectively overcome; in addition, the first elastic element 340 not only can avoid the problem that the eyelid is easily damaged due to excessive thrust of the linear motor 360, but also can solve the problem that the eyelid is clamped by the pressing block 310 and the eyelid portion 210 due to sudden failure of the linear motor 360, and is not easy to separate; the first elastic element 340 may be a spring, a rubber sleeve, or other elastic member that can be elastically deformed, which is not limited thereto, and the first elastic element 340 of this embodiment is preferably a spring.
In addition, since the pressure sensor 410 is far away from the eyelid 210 and the pressing block 310, temperature drift is not easily generated, the measurement accuracy of the pressure sensor 410 is effectively ensured, and the control accuracy of the pressing force is ensured.
Preferably, as shown in fig. 8, a stepped hole formed by a first sliding hole 330a and a second sliding hole 330b is provided in the movable seat 330; the aperture of the first sliding hole 330a is smaller than that of the second sliding hole 330b, and a step structure is formed at the joint of the first sliding hole and the second sliding hole; the driving seat 350 includes a first driving sleeve 351 and a second driving sleeve 352 sequentially disposed from front to rear; the first driving sleeve 351 is slidably engaged with the first sliding hole 330a, and the second driving sleeve 352 is slidably engaged with the second sliding hole 350b, so that the driving seat 350 is slidably assembled in the movable seat 330; the length of the first driving sleeve 351 is required to be greater than the axial length of the first sliding hole 330a, so that the front end of the first driving sleeve 351 can always extend from the front side of the movable seat 330 when the driving seat 350 is slidably assembled in the movable seat 330; the first elastic element 340 is sleeved on the first driving sleeve 351, and two ends of the first elastic element 340 are respectively abutted with the second driving sleeve 352 and the step structure; the first auxiliary backset is provided on the protruding portion of the first driving sleeve 351, and is a backset pin 370 circumferentially arranged along the outer wall of the first driving sleeve 351 or a backset provided on the outer wall of the first driving sleeve 351 so that the first auxiliary backset thereon can contact the front side surface of the movable seat 330 to hook the movable seat 330 back when the driving seat 350 is retracted; the second auxiliary retraction member is a retraction seat 380 movably disposed within the push block mounting seat 322; when the front end of the motor push rod extends out of the driving seat 350, the retraction seat 380 is detachably connected with the front end of the motor push rod; when the front end of the motor push rod is positioned in the driving seat 350, the retraction seat 380 is detachably connected with the front end of the first driving sleeve 351; thus, when the motor pushrod is retracted, the retraction seat 380 contacts the pusher mount 323, thereby pulling the pusher mount 323 back.
In another embodiment, as shown in fig. 9, the drive socket 350 comprises a drive plate 353, a plurality of guide shafts 354 and a connecting sleeve 355; the guide shafts 354 and the connecting sleeves 355 are fixed on the front side surface of the driving plate 353, and the plurality of guide shafts 354 are symmetrically arranged with respect to the connecting sleeves 355; a through hole for the connecting sleeve 355 to pass through and a guide hole matched with the guide shaft 354 in a sliding way are arranged in the movable seat 330; the first elastic element 340 is sleeved on the guide shaft 354, and two ends of the first elastic element 340 are respectively abutted against the driving plate 353 and the movable seat 330; the front end of the guide shaft 354 protrudes from the front end of the corresponding guide hole, and a first auxiliary retraction member driving the movable seat 330 to retract is detachably fixed to the protruding portion of the guide shaft 354, and the first auxiliary retraction member is preferably provided as a retraction pin 370 or a retraction sleeve; the connecting sleeve 355 of the driving seat 350 is coaxially fixed on the motor push rod, and the front end of the motor push rod extends out from the front end of the connecting sleeve 355 and is detachably connected with the retreating seat 380 movably arranged in the push block mounting seat 322, so that when the motor push rod retreats, the retreating seat 380 retreats and pulls back the push block mounting seat 322.
Further, as shown in fig. 3 and 4, the middle housing 120 is further provided therein with a push block guide seat 122, and the push block 321 is slidably mounted in the push block guide seat 122, so as to further ensure sliding stability of the push block 321.
Preferably, as shown in fig. 4, a reset sensor connected to the display touch screen 800 is disposed in the instrument housing 100, and the reset sensor is used for detecting whether the push block 321 or the push block mounting seat 322 or the movable seat 330 is at an initial travel position, so as to facilitate the startup initialization of the therapeutic apparatus; in this embodiment, the reset sensor includes a detection switch 422 provided in the instrument housing 100 and a detected lever 421 cooperating with the detection switch 422, and the detected lever 421 is preferably mounted on the movable base 330 in view of arrangement space.
It will be appreciated that the eye shield 200 and the instrument housing 100 may be provided separately or non-separately, and is not limited thereto. The eye shield 200 and the instrument housing 100 are preferably provided in a separable design for cross-infection prevention and sterilization convenience.
As shown in fig. 2 and 12 to 15, guide sliders 230 are provided on both left and right sides of the connection portion 220; a guide chute 111 matched with the guide slide block 230 is arranged in the lower shell 110; the lower housing 110 is rotatably provided with a rotation shaft 112; the rotating shaft 112 is perpendicular to the guide sliding grooves 111, and the left end and the right end of the rotating shaft 112 extend into the two guide sliding grooves 111 respectively; the bottom of the guide slide block 230 is provided with a clamping groove 231; the rotating shaft 112 is provided with a clamping block 113 matched with the clamping groove 231, and the lower shell 110 is internally provided with a second elastic element 116 for locking the clamping block 113 in the corresponding clamping groove 231; an unlocking driving plate 114 is fixed on one side of the rotating shaft 112 far away from the clamping block 113, and an unlocking button 530 for driving the unlocking driving plate 114 to rotate is arranged on the lower shell 110; when the unlocking button 530 is pressed, the clamping block 113 rotates along with the rotating shaft 112 to withdraw from the corresponding clamping groove 231, so that the eye shield 200 is in an unlocking state; when the unlocking button 530 is released, the clamping block 113 is reset into the corresponding clamping groove 231 under the action of the second elastic element 116, so that the eye shield 200 is in a locked state. When the eye shield 200 enters the locked state, the insertion of the connection part 220 with the instrument housing 100 is locked, so that the connection part 220 cannot be pulled out of the instrument housing 100; when the eye shield 200 enters the unlocked state, the plugging of the connection part 220 with the instrument housing 100 is not locked any more, so that the connection part 220 can be smoothly pulled out from the instrument housing 100.
Preferably, as shown in fig. 14 and 15, a clip connecting seat 115 is provided between the two clips 113, the second elastic element 116 is disposed below the clip connecting seat 115, and two ends of the second elastic element 116 respectively abut against the clip connecting seat 115 and the inner bottom surface of the lower housing 110, so as to lock the clips 113 in the corresponding clip grooves 231, and ensure the installation stability of the eye shield 200. The second elastic element 116 may be an elastic member such as a spring or a rubber elastic sleeve, which is not limited thereto, and the second elastic element 116 in this embodiment is preferably a spring.
As shown in fig. 1 and 3, the instrument housing 100 is provided with a power switch 510 and a control switch 520; the power switch 510 is connected to the power supply unit and is used for controlling the on-off state of the portable meibomian gland therapeutic apparatus; the control switch 520 is connected to the display touch screen 800 through the printed circuit board 600 for starting or stopping the treatment; the power supply unit comprises a rechargeable battery 700 positioned in the handle shell and a charging interface arranged at the bottom end of the handle shell; the charging interface may be directly connected to an external power source through a charging wire, or may be connected to an external power source through the charging stand 900.
Example two
The present embodiment differs from the first embodiment mainly in the installation position of the pressure sensor 410. In the present embodiment, the pressure sensor 410 is buried in the pressing block 310, and at this time, as shown in fig. 7 to 9, the pressing driving assembly includes a pressing transmission assembly 320, a movable seat 330, a first elastic member 340, a driving seat 350, and a linear motor 360; wherein, the pressing transmission assembly 320 comprises a push block 321 fixedly connected with the pressing block 310; the movable seat 330 is slidably mounted on the guide rail 121 in the instrument housing 100 in the front-rear direction, and the movable seat 330 is fixedly connected with the push block 321; linear motor 360 includes a telescoping motor pushrod; the driving seat 350 is fixedly connected with the motor push rod, and the driving seat 350 is in sliding fit with the movable seat 330 in the front-rear direction; the first elastic element 340 is coupled between the driving seat 350 and the movable seat 330, and is configured to transmit a portion of the pushing force received by the driving seat 350 to the movable seat 330 to push the movable seat 330 forward; the first auxiliary retreating member is disposed on the motor push rod or the driving seat 350, so that the movable seat 330 can be moved backward by the first auxiliary retreating member when the motor push rod is retracted; in the present embodiment, the sliding fit manner of the driving seat 350 and the movable seat 330 is identical to that of the driving seat 350 and the movable seat 330 in the first embodiment; when the front end of the motor push rod is located in the driving seat 350, the first auxiliary rollback element is preferably mounted on the driving seat 350; the first auxiliary retractor is preferably installed at the front end of the motor pushrod when the front end of the motor pushrod protrudes from the front side of the driving seat 350.
Example III
The difference between this embodiment and the first embodiment is mainly that: heating elements and temperature sensors are arranged in the eyelid part 210 or the pressing block 310 so as to realize the hot compress treatment of the eyelid; the present embodiment preferably provides a heating element and a temperature sensor within the eyelid portion 210.
As shown in fig. 2, 10, 11, 16 and 17, the eyelid portion 210 includes an eyelid case 211, and a heat insulating layer 213 and a heat generating layer 214 sequentially disposed in the eyelid case 211 from front to back; a heating element and a temperature sensor are arranged in the heating layer 214; the connection part 220 includes a connection case 221 and a wire mounting layer 223 positioned inside the connection case 221; the connection housing 221 includes an upper case 2211 and a lower support plate 2212 butted with the upper case 2211; the wire mounting layer 223 is connected with the heating layer 214, and wires are arranged in the wire mounting layer 223; the heating element and the temperature sensor are electrically connected with the printed circuit board 600 in the controller through the wires in the wire mounting layer 223; the end of the lead mounting layer 223, which is far away from the eyelid portion 210, is provided with a contact electrode 2231 connected with each lead; a conductive plate 610 flexibly connected with the printed circuit board 600 is fixed between the two clamping blocks 113, and conductive columns 611 corresponding to the contact electrodes 2231 one by one are arranged on the conductive plate 610; the connection and disconnection of the eye shield 200 and the controller are realized through the contact and separation of the conductive post 611 and the corresponding contact electrode 2231; when the eye shield 200 is connected with the controller, the controller receives temperature information transmitted by the temperature sensor, and adjusts the temperature of the heating element according to the received temperature information so as to maintain the temperature at a preset temperature to realize eyelid hot compress function, wherein the hot compress temperature is usually 39-42 ℃ so as to ensure that the plug in the meibomian gland can be melted; in the present embodiment, the conducting plate 610 may be directly connected to the two clamping blocks 113, or may be connected to the two clamping blocks 113 through the clamping block connecting base 115, which is not limited.
It is understood that the heating element is a resistance wire or various existing electric heating elements such as electrothermal film, which is not limited in this regard, and the electrothermal film is preferably selected for heating based on the requirements of the size and the heat conducting surface.
It will be appreciated that the insulation layer 213 is insulated with air or other existing insulation materials such as porous materials, vacuum materials, etc., and is not limited thereto, and aerogel insulation is preferred in this embodiment based on the size requirements.
As shown in fig. 9, corresponding positions of the lower support plate 2212 are provided with escape holes 22122 through which the conductive posts 611 pass, so that the conductive posts 611 extend into the connection housing 221 through the escape holes 22122 to be connected with the corresponding contact electrodes 2231.
Further, as shown in fig. 16, the eyelid portion 210 includes a first heat dissipation layer 212 located in front of the heat insulation layer 213, the connection portion 220 includes a second heat dissipation layer 222 located below the lead mounting layer 223, and the second heat dissipation layer 222 is connected to the first heat dissipation layer 212 to transfer the heat of the first heat dissipation layer 212 to the second heat dissipation layer 222 for dispersion, so that the heat transferred from the heat insulation layer 213 is prevented from concentrating to the first heat dissipation layer 212 to thermally damage the cornea and sclera near the first heat dissipation layer 212, and the heat application safety is improved.
To further improve the heat dissipation effect, heat dissipation holes 22121 may be provided on the lower support plate 2212.
When the therapeutic apparatus is used, the power switch 510 is started to start up for initialization, so that the pressing block 310 is retracted to the initial stroke position; setting working parameters including hot compress temperature, hot compress time and maximum pressing force on the display touch screen 800, and selecting the working mode of the therapeutic apparatus as a single hot compress mode, a single extrusion mode or a simultaneous hot compress and extrusion mode; then, the eyelid part 210 of the eye shield 200 is stretched into the eyelid to be treated, so that the eyelid part is attached to the inner side surface of the eyelid; by pressing the control switch 520, the therapeutic apparatus can enter a set working mode to start meibomian gland treatment, thereby effectively reducing the operation difficulty of operators.
In summary, the linear motor 360 is utilized to provide the pressing force required by the eyelid to realize the accurate control of the pressing force of the eyelid, so that the defect of high finger labor intensity caused by manual pressing in transmission is overcome, and the situation that the traditional manual pressing force control is not easy to exceed the burden of a patient is effectively avoided; the first elastic element 340 not only can counter the thrust of the linear motor 360, but also can prevent the eyes of the patient from being damaged due to overlarge thrust; meanwhile, the problem that the eyelid is clamped by the pressing block 310 and the eyelid part 210 and is not easy to separate due to the fact that the linear motor 360 is suddenly blocked can be solved; the first heat dissipation layer 212 is additionally arranged on one side of the heat insulation layer 213 in the eyelid portion 210 far away from the heating layer 214, and the heat transferred from the heat insulation layer 213 is further transferred to the second heat dissipation layer 222 through the first heat dissipation layer 212 for diffusion, so that the heat transferred from the heat insulation layer 213 is prevented from being concentrated at the first heat dissipation layer 212, and therefore, when the eyelid portion 210 heats the eyelid, the sclera and the cornea close to the first heat dissipation layer 212 are prevented from being thermally damaged due to overhigh temperature, and the use safety of the heating eye shield is improved while the eyelid hot compress effect is ensured; in addition, the detachable design of the eye shield 200 reduces the risk of cross infection by using the disinfection and replacement of the eye shield 200; the pressure sensor 410 is arranged at a position far away from the eyelid part 210, so that the influence of temperature on the pressure sensor 410 can be effectively avoided, and the measurement accuracy of the pressure sensor 410 is improved; finally, the portable meibomian gland therapeutic apparatus is convenient to carry, has low operation difficulty, is beneficial to the self-operation treatment of patients, and has wide application prospect.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (11)
1. A portable meibomian gland therapeutic apparatus, which comprises an apparatus housing (100), an eye shield (200) and a pressing device (300); the eye shield (200) comprises an eyelid portion (210) at the front end of the instrument housing (100); the pressing device (300) comprises a pressing block (310) and a pressing driving assembly for driving the pressing block (310) to be close to or far away from the eyelid (210); the device is characterized in that a display touch screen (800) and a pressure sensor (410) for detecting pressing force are arranged on the instrument shell (100); the pressing drive assembly comprises a movable seat (330), a drive seat (350), a first elastic element (340) and a linear motor (360) which are positioned in the instrument shell (100); the driving seat (350) is fixedly arranged on a motor push rod of the linear motor (360) and is in sliding fit with the movable seat (330) in the front-back direction; the first elastic element (340) is coupled between the driving seat (350) and the movable seat (330) and is used for pushing the movable seat (330) to move forwards; a first auxiliary retreating piece for assisting the movable seat (330) to move backwards is arranged on the driving seat (350); the movable seat (330) drives the pressing block (310) to move back and forth through the pressing transmission assembly (320); the display touch screen (800) controls the linear motor (360) to move according to the pressing force detected by the pressure sensor (410) so as to provide a preset periodical pressing force to the eyelid.
2. The portable meibomian gland therapeutic apparatus of claim 1, wherein the pressure sensor (410) is embedded within the compression block (310); the pressing transmission assembly (320) comprises a pushing block (321) connected with the pressing block (310), and the pushing block (321) is fixedly connected with the movable seat (330).
3. The portable meibomian gland therapeutic apparatus of claim 1, wherein the compression transmission assembly (320) includes a push block (321) and a push block mount (322); the pushing block mounting seat (322) is fixedly connected with the pressing block (310) through the pushing block (321); the pressure sensor (410) is arranged at the top of the movable seat (330), and the pushing block mounting seat (322) is provided with a dowel bar (323) matched with the pressure sensor (410); and a second auxiliary retreating piece for the backward movement of the auxiliary pushing block mounting seat (322) is arranged on the driving seat (350) or the motor push rod.
4. The portable meibomian gland therapeutic apparatus according to claim 1, 2 or 3, wherein the movable seat (330) is provided with a first sliding hole (330 a) and a second sliding hole (330 b) which are communicated with each other; the aperture of the first sliding hole (330 a) is smaller than that of the second sliding hole (330 b), and a step structure is formed at the joint of the first sliding hole and the second sliding hole; the driving seat (350) comprises a first driving sleeve (351) and a second driving sleeve (352) which are sequentially arranged from front to back; the first driving sleeve (351) is in sliding fit with the first sliding hole (330 a), and the second driving sleeve (352) is in sliding fit with the second sliding hole (330 b); the first elastic element (340) is sleeved on the first driving sleeve (351), and two ends of the first elastic element (340) are respectively abutted with the second driving sleeve (352) and the step structure; one end of the first driving sleeve (351) far away from the second driving sleeve (352) extends out of the front end of the movable seat (330), and the first auxiliary rollback piece is arranged on the extending part of the first driving sleeve (351).
5. A portable meibomian gland therapeutic apparatus according to claim 1, 2 or 3, characterized in that a reset sensor connected to a display touch screen (800) is provided in the apparatus housing (100).
6. A portable meibomian gland therapeutic apparatus according to claim 1, 2 or 3, characterized in that the eye shield (200) comprises a connection portion (220) located at the lower end of the eyelid portion (210) and extending rearward, the connection portion (220) of the eye shield (200) being detachably mounted on the instrument housing (100).
7. The portable meibomian gland therapeutic apparatus according to claim 6, wherein the left and right sides of the connecting portion (220) are provided with guide sliders (230); a guide chute (111) matched with the guide sliding block (230) is arranged in the instrument shell (100); a rotating shaft (112) is rotatably arranged in the instrument shell (100); the rotating shaft (112) is perpendicular to the guide sliding grooves (111), and the left end and the right end of the rotating shaft (112) extend into the two guide sliding grooves (111) respectively; a clamping groove (231) is formed in the bottom of the guide sliding block (230), and a clamping block (113) matched with the clamping groove (231) is arranged on the rotating shaft (112); a second elastic element (116) for locking the clamping block (113) in the corresponding clamping groove (231) is arranged in the instrument shell (100); an unlocking driving plate (114) is fixed on the rotating shaft (112); an unlocking button (530) for driving the unlocking driving plate (114) to rotate is arranged on the instrument shell (100); the rotating shaft (112) rotates by pressing the unlocking button (530) so that the clamping block (113) withdraws from the corresponding clamping groove (231).
8. The portable meibomian gland therapeutic apparatus according to claim 7, wherein the eyelid portion (210) includes an eyelid case (211), and a first heat dissipation layer (212), a heat insulation layer (213), and a heat generation layer (214) sequentially disposed in the eyelid case (211) from front to back; a heating element and a temperature sensor are arranged in the heating layer (214); the connection part comprises a connection shell (221), a second heat dissipation layer (222) and a wire mounting layer (223) which are stacked in the connection shell (221); the connecting shell (221) is connected with the eyelid shell (211); the second heat dissipation layer (222) is connected with the first heat dissipation layer (212); the heating element and the temperature sensor are electrically connected with a printed circuit board (600) in the instrument shell (100) through wires, and the printed circuit board (600) is connected with a display touch screen (800); the wires are arranged in the wire mounting layer (223), and a contact electrode (2231) connected with each wire is arranged at one end of the wire mounting layer (223) far away from the eyelid part (210); a conducting plate (610) which is flexibly connected with the printed circuit board (600) is fixed between the two clamping blocks (113), and conducting columns (611) which are in one-to-one correspondence with the contact electrodes (2231) are arranged on the conducting plate (610).
9. The portable meibomian gland therapeutic apparatus according to claim 1, 2 or 3, wherein a heating element and a temperature sensor are provided in the pressing block (310).
10. A portable meibomian gland therapeutic apparatus according to claim 1, 2 or 3, characterized in that the apparatus housing (100) is provided with a power switch (510) and a control switch (520); the power switch (510) is connected with the power supply unit and is used for controlling the on-off state of the portable meibomian gland therapeutic apparatus; the control switch (520) is connected with the display touch screen (800) and is used for controlling the start and the end of treatment.
11. The portable meibomian gland therapeutic apparatus of claim 10, wherein the power supply unit includes a rechargeable battery (700) located within the instrument housing (100) and a charging interface provided at a lower end of the instrument housing (100).
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| CN202311714255.XA CN117398233B (en) | 2023-12-14 | 2023-12-14 | Portable meibomian gland therapeutic instrument |
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| CN202311714255.XA CN117398233B (en) | 2023-12-14 | 2023-12-14 | Portable meibomian gland therapeutic instrument |
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| CN115429355A (en) * | 2022-09-23 | 2022-12-06 | 温州市人民医院 | Multifunctional endoscopic needle-shaped stitching instrument |
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| CN117398233B (en) | 2024-03-22 |
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