CN112656582A

CN112656582A - Intelligent dropping device for ophthalmologic nursing

Info

Publication number: CN112656582A
Application number: CN202110091546.2A
Authority: CN
Inventors: 运霜; 张磊; 李亚楠
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-04-16

Abstract

An intelligent liquid dropping device for ophthalmic nursing effectively solves the problems of low liquid dropping efficiency and poor effect caused by inaccurate positioning and complex operation during ophthalmic nursing; the positioning device comprises a positioning mechanism, wherein the positioning mechanism comprises an operation box, one side of the operation box is connected with an arc-shaped plate, fixed plates are fixed on two sides of the arc-shaped plate, the other side of the operation box is movably connected with a movable plate parallel to a top plate, and two ends of the top plate and two ends of the movable plate are connected to the same clamping plate; the liquid dropping mechanism comprises a shell detachably connected with the operation box, a placing cavity is fixed in the shell, an opening rod is arranged outside the placing cavity, an extrusion rod is arranged above the placing cavity, the opening rod and the extrusion rod are both controlled by a movable rod, and the upper end of the movable rod extends out of the shell and is connected with the operation box through a connecting rod; the invention has the following beneficial effects: the positioning device can be used for accurately positioning, is suitable for patients with various facial shapes, and ensures the stability during liquid dropping; can carry out the dropping liquid operation by single eye or eyes simultaneously, accomplish the nursing operation to the patient fast.

Description

Intelligent dropping device for ophthalmologic nursing

Technical Field

The invention relates to the technical field of ophthalmologic nursing equipment, in particular to an intelligent liquid dropping device for ophthalmologic nursing.

Background

When ophthalmic diseases are treated, treatment medicaments such as liquid medicine are required to be instilled to eyes inevitably, most instillation methods still adopt a manual operation mode, the eyelids of patients are opened by one hand, and instillation is carried out by the other hand.

For solving manual operation's problem, many supplementary dropping liquid equipment has appeared on the market, assist through mechanical device, prop open patient's eyelid, thereby carry out the dropping liquid, these equipment generally have device and the dropping liquid device of strutting the eyelid, both accomplish the dropping liquid after the cooperation, these equipment are in the use of reality, there is certain defect, firstly, it does not have positioning mechanism mostly, but hold through the staff, use it in patient's eye top, this requires highly to the user, user hand shake can lead to the fact serious influence to patient's eye, secondly, the dropping liquid device mostly is single instillation, to the patient that some eyes all need the dropping liquid, it will be very loaded down with trivial details to operate, need to repeat twice, patient experience feels not good.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the intelligent liquid dropping device for ophthalmic care, which effectively solves the problems of low liquid dropping efficiency and poor effect caused by inaccurate positioning and complex operation during ophthalmic care.

The technical scheme for solving the technical problem is as follows: an intelligent dropping device for ophthalmologic nursing comprises

The positioning mechanism comprises an operation box, one side of the operation box is connected with an arc-shaped plate, fixed plates are fixed on two sides of the arc-shaped plate, the other side of the operation box is movably connected with a movable plate parallel to the top plate, and two ends of the top plate and two ends of the movable plate are connected to the same clamping plate;

the liquid dropping mechanism comprises a shell detachably connected with the operation box, a placing cavity is fixed in the shell, an opening rod is arranged outside the placing cavity, an extrusion rod is arranged above the placing cavity, the opening rod and the extrusion rod are both controlled by a movable rod, and the upper end of the movable rod extends out of the shell and is connected with the operation box through a connecting rod;

the dropping liquid mechanism can be set to one or two, and the dropping liquid mechanism is symmetrically arranged on two sides of the operation box and is synchronously controlled when the dropping liquid mechanism is set to two.

The side of the operation box is provided with a fixed plate, a sliding rod connected with the movable plate is arranged on the fixed plate in a penetrating mode, a first spring is sleeved on the sliding rod, two ends of the first spring respectively abut against the fixed plate and the movable plate, and the movable plate is pushed downwards by the first spring.

The fixed plate end portion is provided with a first telescopic rod fixedly connected with the clamping plate in a telescopic mode, the movable plate end portion is provided with a second telescopic rod, the second telescopic rod end portion is connected with the clamping plate in a sliding mode, the clamping plate is provided with a vertical opening, and the second telescopic rod end portion is connected with a sliding block which slides in the opening.

The movable plate tip be equipped with the cavity that is located the second telescopic link inboard, second telescopic link tip is equipped with the first connecting rod of wearing to establish in the cavity, has cup jointed the second spring on the first connecting rod, the second spring promotes the second telescopic link inwards to realize that both sides splint remove in opposite directions, the second telescopic link is the same with first telescopic link internal connection structure.

The operating box both sides wear to be equipped with opening mechanism, opening mechanism is including setting up the push pedal in splint inboard, the second connecting rod is connected to the push pedal, the pole of wearing on the operating box lateral wall is worn to establish by second connecting rod end connection, the pole inner articulates there is the third connecting rod, the third connecting rod tip articulates there is the push rod of wearing to establish on the operating box lateral wall, the operating box outside is stretched out to the push rod tip, the flexible push pedal that drives of push rod removes.

The interior of the operation box is provided with a magnetic block, the inner end of the push rod can be matched with the magnetic block to form positioning, and a tension spring connected with the inner end of the penetrating rod is arranged in the operation box.

The outer wall of the operation box is provided with a vertical sliding rail, and a connecting plate matched with the sliding rail extends out of the shell.

The inner wall of the shell is provided with a plurality of limiting grooves, the opening rods are provided with sliding pins inserted into the limiting grooves, the opening rods are symmetrically arranged, and the two opening rods are close to or far away from each other when the sliding pins slide in the limiting grooves.

The connecting ring is vertically and slidably arranged in the shell, a vertical fourth connecting rod is fixed on the connecting ring, a fifth connecting rod which is respectively hinged with the two opening rods is hinged to the end part of the fourth connecting rod, and the up-and-down movement of the connecting ring controls the opening rods to be close to or far away from the connecting ring.

The go-between on cup joint the lantern ring, be equipped with the cover piece of cup jointing on the movable rod on the lantern ring, cup joint the third spring on the movable rod, the third spring is located between cover piece top and the movable rod, the third spring promotes the cover piece downwards, thereby the movable rod compresses the third spring when moving down and promotes the go-between and move down and then control the removal of strutting the pole.

The movable rod lower extreme and the horizontal sliding connection of extrusion stem, the chamber is placed towards to extrusion stem one end, the one end that the chamber was kept away from to the extrusion stem is the wedge, the casing is inside be equipped with extrusion stem complex wedge, the extrusion stem makes the extrusion stem remove to being close to the direction of placing the chamber under the effect of wedge with extrusion stem contact backward move the extrusion stem down.

The extrusion rod on be equipped with the stopper, be equipped with the fourth spring between extrusion rod and the movable rod, the fourth spring promotes the extrusion rod to keeping away from the direction of placing the chamber.

The control box on be equipped with vertical gliding control lever, use the fifth spring between control lever lower extreme and the control box, be equipped with the connecting block on the control lever, threaded connection has the fifth connecting rod of being connected with the movable rod on the connecting block, the connecting hole that supplies the fifth connecting rod to pass is seted up to the movable rod upper end.

The invention has the following beneficial effects: the positioning device can be used for accurately positioning, is suitable for patients with various facial shapes, and ensures the stability during liquid dropping; can carry out the dropping liquid operation by single eye or eyes simultaneously, accomplish the nursing operation to the patient fast.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention.

FIG. 2 is a second schematic structural diagram of the present invention.

Fig. 3 is a side structural cross-sectional view of the present invention.

FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention.

FIG. 5 is an enlarged view of portion B of FIG. 1 according to the present invention.

FIG. 6 is an enlarged view of section C of FIG. 1 according to the present invention.

Fig. 7 is an enlarged view of portion D of fig. 2 according to the present invention.

Fig. 8 is an enlarged view of section E of fig. 2 according to the present invention.

Fig. 9 is a schematic view of the structure of the dropping mechanism in the present invention.

Fig. 10 is a schematic sectional view of the dropping mechanism of the present invention.

Fig. 11 is a schematic view of the connection structure of the spreader bar in the drip mechanism of the present invention.

Fig. 12 is an enlarged view of portion F of fig. 10 in accordance with the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from FIGS. 1 to 12, the intelligent dropping device for ophthalmic care comprises

The positioning mechanism comprises an operation box 1, one side of the operation box 1 is connected with an arc-shaped plate 2, fixed plates 3 are fixed on two sides of the arc-shaped plate 2, the other side of the operation box 1 is movably connected with a movable plate 4 parallel to the top plate, and two ends of the top plate and the movable plate 4 are connected to the same clamping plate 5;

the liquid dropping mechanism comprises a shell 6 detachably connected with the operation box 1, a placing cavity 7 is fixed inside the shell 6, an opening rod 8 is arranged outside the placing cavity 7, an extrusion rod 9 is arranged above the placing cavity 7, the opening rod 8 and the extrusion rod 9 are both controlled by a movable rod 10, and the upper end of the movable rod 10 extends out of the shell 6 and is connected with the operation box 1 through a connecting rod;

the dropping liquid mechanism can be set to one or two, and when the dropping liquid mechanism is set to two, the dropping liquid mechanism is symmetrically arranged on two sides of the operation box 1 and is synchronously controlled.

When carrying out ophthalmology nursing, positioning mechanism can fix the dropping liquid device at patient's eye, the patient is in the clinostatism, 2 buckles in patient nose top of arc, fixed plate 3 is pressed in the nose both sides, movable plate 4 is pressed in the eyebrow top, splint 5 press from both sides tight patient's head from both sides, dropping liquid mechanism is located patient eyes top, put into the medicine bottle and place chamber 7 in, prop open rod 8 during the use and prop open patient's eyelid, the extrusion stem 9 extrudes the medicine bottle, make the liquid medicine drip, thereby accomplish the nursing to patient's eye.

When only monocular of patient need the dropping liquid, install a dropping liquid mechanism of relevant position on the dropping liquid device, if the patient both eyes all need to carry out the dropping liquid, then install two dropping liquid mechanisms, carry out the dropping liquid to patient both eyes simultaneously, can shorten the length of time of nursing, more be of value to the patient and resume.

In order to adapt to different patients, a fixed plate 113 is arranged on the side of the operation box 1, a sliding rod 12 connected with the movable plate 4 penetrates through the fixed plate 113, a first spring 13 is sleeved on the sliding rod 12, two ends of the first spring 13 respectively abut against the fixed plate 113 and the movable plate 4, the movable plate 4 is pushed downwards by the first spring 13, the face shape of each patient is different, the heights above and below eyes are different, therefore, the relative positions of the fixed plate 3 and the movable plate 4 are also different, after the fixed plate 3 is fixed, the position of the movable plate 4 can be adjusted, the movable plate 4 is adjusted in height by sliding the sliding rod 12 on the fixed plate 113, the first spring 13 extends to provide supporting force, and the fixed plate 3 and the movable plate 4 are fixed on the eyes of the patient.

For better positioning, a first telescopic rod 14 fixedly connected with a clamping plate 5 is arranged at the end part of a fixed plate 3 in a telescopic manner, a second telescopic rod 15 is arranged at the end part of a movable plate 4, the end part of the second telescopic rod 15 is connected with the clamping plate 5 in a sliding manner, a vertical opening 16 is formed in the clamping plate 5, a sliding block 17 sliding in the opening 16 is connected at the end part of the second telescopic rod 15, a cavity 18 positioned at the inner side of the second telescopic rod 15 is arranged at the end part of the movable plate 4, a first connecting rod 19 penetrating through the cavity 18 is arranged at the end part of the second telescopic rod 15, a second spring 20 is sleeved on the first connecting rod 19 and pushes the second telescopic rod 15 inwards, so that the clamping plates 5 on two sides move oppositely, the second telescopic rod 15 and the first telescopic rod 14 are the same in internal connection structure, the clamping plate 5 is respectively connected with the fixed plate 3 and the movable plate 4 through the first telescopic rod 14 and the, thereby make splint 5 press from both sides tight patient's head both sides, movable plate 4 can adjust the position from top to bottom, through slider 17 and opening 16's sliding fit, realize movable plate 4 and drive splint 5 horizontal migration and can be on splint 5 vertical removal's structure.

For convenience of use, opening mechanisms are arranged on two sides of the operating box 1 in a penetrating mode, each opening mechanism comprises a push plate 21 arranged on the inner side of the corresponding clamping plate 5, each push plate 21 is connected with a corresponding second connecting rod 22, the end portion of each second connecting rod 22 is connected with a penetrating rod 23 penetrating the side wall of the corresponding operating box 1, the inner end of each penetrating rod 23 is hinged with a corresponding third connecting rod 24, the end portion of each third connecting rod 24 is hinged with a corresponding push rod 25 penetrating the side wall of the corresponding operating box 1, the end portion of each push rod 25 extends out of the corresponding operating box 1, the push plates 21 are driven to move by the stretching of the corresponding push rod 25, a magnetic block 26 is arranged inside the corresponding operating box 1, the; when the head clamp is used, the push plate 21 pushes the clamp plate 5 to be expanded towards two sides through the operation of the expanding mechanism, the width of the clamp plate can be larger than the head of a patient, and then the clamp plate is placed on the head of the patient, so that the clamp plate 5 clamps two sides of the head of the patient.

In actual operation, push rod 25 is pushed, third connecting rod 24 pushes penetrating rod 23 to move outwards, second connecting rod 22 is pushed to enable push plate 21 to move outwards, so that clamping plate 5 is opened, the inner end of push rod 25 can be matched with magnetic block 26 to form positioning, the opened state of clamping plate 5 is kept, clamping plate 5 cannot be tightened when being placed on the head of a patient conveniently, after the head of the patient is placed, push rod 25 is pulled outwards to enable push rod 25 to be disengaged from magnetic block 26, pushing plate 21 is recycled, and clamping plate 5 clamps the head of the patient under the action of second spring 20, so that positioning is carried out.

The tension spring 27 at the end of the penetrating rod 23 always keeps tension on the penetrating rod 23, when the push plate 21 is pushed outwards, the tension spring 27 acts outwards under the action of the penetrating rod 23, so that the push rod 25 is pushed to enable the penetrating rod 23 to move outwards without producing dead points, when the push plate 21 is to be tightened, because the angle between the third connecting rod 24 and the penetrating rod 23 is small, the penetrating rod 23 is difficult to control by directly pulling the push rod 25, and the penetrating rod 23 moves inwards under the condition of no stress due to the existence of the tension spring 27, so that the penetrating rod 23 can be recovered when the push rod 25 is pulled, and the operation on the push plate 21 is completed.

In order to facilitate the installation of the liquid dropping mechanism, the outer wall of the operation box 1 is provided with a vertical sliding rail 28, the shell 6 is provided with a connecting plate 29 matched with the sliding rail 28 in a stretching mode, and the shell 6 is detachably installed on the outer wall of the operation box 1 and is installed and detached as required.

In order to realize the control of the opening rod 8, a plurality of limiting grooves 30 are formed in the inner wall of the shell 6, sliding pins 31 inserted into the limiting grooves 30 are arranged on the opening rod 8, the opening rod 8 is symmetrically arranged, the two opening rods 8 are close to or far away from each other when the sliding pins 31 slide in the limiting grooves 30, a connecting ring 32 is vertically arranged in the shell 6 in a sliding mode, a vertical fourth connecting rod 33 is fixed on the connecting ring 32, the end portion of the fourth connecting rod 33 is hinged to a fifth connecting rod 34 which is hinged to the two opening rods 8 respectively, and the connecting ring 32 controls the opening rods 8 to be close to or far away from each other in an up-and-down mode.

Be provided with four opening rod 8 in every dropping liquid mechanism, per two contact with the patient's upper and lower eyelid for a set of respectively, opening rod 8 slides in spacing groove 30 through sliding pin 31, every opening rod 8 and two spacing groove 30 cooperations, guarantee that opening rod 8's vertical state is unchangeable, only produce the displacement, spacing groove 30 is the arc structure, consequently, the removal orbit of opening rod 8 tip is the structure that high both sides are low in the middle of, be close with the eye structure, can not cause the damage to the patient when opening the eyelid, opening rod 8's lower extreme is equipped with little arch towards the direction of eyelid, can catch on patient's eyelid and do not cause the injury.

The connection ring 32 pushes the fifth link 34 via the fourth link 33 to perform the operation of the spreader lever 8, and moving the connection ring 32 up and down performs the separation and approach of the spreader lever 8.

In order to operate the opening rod 8 and the extrusion rod 9 conveniently, a sleeve ring 35 is sleeved on the connecting ring 32, a sleeve block 36 sleeved on the movable rod 10 is arranged on the sleeve ring 35, a third spring 37 is sleeved on the movable rod 10, the third spring 37 is located between the upper portion of the sleeve block 36 and the movable rod 10, the sleeve block 36 is pushed downwards by the third spring 37, the third spring 37 is compressed when the movable rod 10 moves downwards so as to push the connecting ring 32 to move downwards and further control the movement of the opening rod 8, the lower end of the movable rod 10 is horizontally and slidably connected with the extrusion rod 9, one end of the extrusion rod 9 faces the placing cavity 7, one end of the extrusion rod 9, far away from the placing cavity 7, is in a wedge shape, a wedge-shaped plate 38 matched with the extrusion rod 9 is arranged inside the shell 6, and the extrusion rod 9 moves downwards after being in contact with the wedge-shaped plate 38 so that the extrusion rod 9 moves towards the direction close to the placing.

The third spring 37 of compression that moves down of movable rod 10 is in natural state, the nest block 36 drives go-between 32 and moves down, thereby realize strutting the separation of pole 8, when strutting pole 8 and separately arriving extreme position, the contact of pinch bar 9 lower extreme and wedge 38, movable rod 10 continues to move down, the compression of third spring 37, movable rod 10 lower extreme drives pinch bar 9 and moves down, pinch bar 9 removes to the medicine bottle direction under the wedge complex condition, the extrusion medicine bottle, thereby accomplish the operation of dropping liquid, rebound movable rod 10 after the dropping liquid is accomplished, pinch bar 9 keeps away from the medicine bottle direction and upwards removes, third spring 37 extension resumes to drive go-between 32 and shifts up, make strutting pole 8 is close to, the end dropping liquid operation.

Be equipped with stopper 39 on the stripper bar 9, be equipped with fourth spring 40 between stripper bar 9 and the movable rod 10, fourth spring 40 promotes stripper bar 9 to keeping away from the direction of placing chamber 7, and when upwards pulling movable rod 10, fourth spring 40 promotes stripper bar 9 for stripper bar 9 removes to the direction of keeping away from the medicine bottle all the time, and when consequently pulling movable rod 10, the medicine bottle resets can be kept away from gradually to stripper bar 9.

In order to operate the liquid dropping mechanism conveniently, a control rod 41 which slides vertically is arranged on the operating box 1, a fifth spring 42 is used between the lower end of the control rod 41 and the operating box 1, a connecting block 43 is arranged on the control rod 41, a sixth connecting rod 44 connected with the movable rod 10 is connected to the connecting block 43 in a threaded manner, and a connecting hole 45 for the sixth connecting rod 44 to pass through is formed in the upper end of the movable rod 10.

An appropriate number of drip mechanisms are installed according to patient's condition, and the movable lever 10 is connected to the control lever 41 using the sixth link 44, so that all operations of the drip mechanisms are performed by operating the control lever 41.

In the invention, the parts in contact with the face of the patient are chamfered, and the flexible pad is arranged at the contact parts to protect the face of the patient from being injured.

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

1. the positioning mechanism is combined with the liquid dropping mechanism, so that stable positioning can be realized during liquid dropping, shaking cannot occur, the eyelid of a patient cannot be damaged, liquid medicine cannot be splashed to other places of the patient, and the accuracy of liquid dropping is ensured;

2. the dropping mechanism can select proper quantity according to the condition of the patient, and can drop liquid by one eye and two eyes, so that eye nursing is reasonably carried out, and the treatment experience of the patient can be improved;

3. the whole operation is simple and convenient, the operation of opening the eyelid of the patient and dropping liquid can be realized only by pressing and pulling the control rod, the operation is very simple, the operation is easy to operate, and the popularization is convenient.

Claims

1. An intelligent dropping device for ophthalmologic nursing, which is characterized by comprising

The positioning mechanism comprises an operation box (1), one side of the operation box (1) is connected with an arc-shaped plate (2), fixed plates (3) are fixed on two sides of the arc-shaped plate (2), the other side of the operation box (1) is movably connected with a movable plate (4) parallel to the top plate, and two ends of the top plate and the movable plate (4) are connected onto the same clamping plate (5);

the liquid dropping mechanism comprises a shell (6) detachably connected with the operation box (1), a placing cavity (7) is fixed inside the shell (6), an opening rod (8) is arranged on the outer side of the placing cavity (7), an extrusion rod (9) is arranged above the placing cavity (7), the opening rod (8) and the extrusion rod (9) are both controlled by a movable rod (10), and the upper end of the movable rod (10) extends out of the shell (6) and is connected with the operation box (1) through a connecting rod;

one or two liquid dropping mechanisms can be arranged, and the two liquid dropping mechanisms are symmetrically arranged on two sides of the operation box (1) and are synchronously controlled.

2. The intelligent dropping device for ophthalmologic nursing according to claim 1, wherein a fixed plate (113) is arranged at the side of the operation box (1), a sliding rod (12) connected with the movable plate (4) penetrates through the fixed plate (113), a first spring (13) is sleeved on the sliding rod (12), two ends of the first spring (13) respectively abut against the fixed plate (113) and the movable plate (4), and the movable plate (4) is pushed downwards by the first spring (13).

3. The intelligent dropping device for ophthalmic care according to claim 1, wherein the end of the fixed plate (3) is telescopically provided with a first telescopic rod (14) fixedly connected with the clamping plate (5), the end of the movable plate (4) is provided with a second telescopic rod (15), the end of the second telescopic rod (15) is slidably connected with the clamping plate (5), the clamping plate (5) is provided with a vertical opening (16), and the end of the second telescopic rod (15) is connected with a sliding block (17) which slides in the opening (16).

4. The intelligent dropping device for ophthalmologic nursing according to claim 1, wherein the end of the movable plate (4) is provided with a cavity (18) inside the second telescopic rod (15), the end of the second telescopic rod (15) is provided with a first connecting rod (19) penetrating into the cavity (18), the first connecting rod (19) is sleeved with a second spring (20), the second spring (20) pushes the second telescopic rod (15) inwards, so that the clamping plates (5) on the two sides move oppositely, and the second telescopic rod (15) has the same internal connection structure as the first telescopic rod (14).

5. The intelligent dropping device for ophthalmologic nursing according to claim 1, wherein the two sides of the operating box (1) are provided with opening mechanisms in a penetrating manner, each opening mechanism comprises a push plate (21) arranged on the inner side of the clamping plate (5), the push plate (21) is connected with a second connecting rod (22), the end of the second connecting rod (22) is connected with a penetrating rod (23) arranged on the side wall of the operating box (1) in a penetrating manner, the inner end of the penetrating rod (23) is hinged with a third connecting rod (24), the end of the third connecting rod (24) is hinged with a push rod (25) arranged on the side wall of the operating box (1) in a penetrating manner, the end of the push rod (25) extends out of the operating box (1), and the push plate (21).

6. An intelligent dropping device for ophthalmological care according to claim 1, wherein a plurality of limiting grooves (30) are arranged on the inner wall of the housing (6), sliding pins (31) inserted into the limiting grooves (30) are arranged on the opening rods (8), two opening rods (8) are symmetrically arranged, and the two opening rods (8) are close to or far away from each other when the sliding pins (31) slide in the limiting grooves (30).

7. An intelligent dropping device for ophthalmic care according to claim 1, wherein the inside of the shell (6) is vertically and slidably provided with a connecting ring (32), a vertical fourth connecting rod (33) is fixed on the connecting ring (32), the end part of the fourth connecting rod (33) is hinged with a fifth connecting rod (34) which is respectively hinged with the two opening rods (8), and the upward and downward movement of the connecting ring (32) controls the approaching or the separating of the opening rods (8).

8. The intelligent dropping device for ophthalmic care according to claim 1, wherein the connecting ring (32) is sleeved with a sleeve ring (35), a sleeve block (36) sleeved on the movable rod (10) is arranged on the sleeve ring (35), the movable rod (10) is sleeved with a third spring (37), the third spring (37) is positioned between the upper part of the sleeve block (36) and the movable rod (10), the sleeve block (36) is pushed downwards by the third spring (37), and the movable rod (10) is pushed downwards to compress the third spring (37) so as to push the connecting ring (32) to move downwards and further control the movement of the opening rod (8).

9. The intelligent dropping device for ophthalmic care according to claim 1, wherein the lower end of the movable rod (10) is horizontally slidably connected with the extrusion rod (9), one end of the extrusion rod (9) faces the placing cavity (7), one end of the extrusion rod (9) far away from the placing cavity (7) is wedge-shaped, a wedge-shaped plate (38) matched with the extrusion rod (9) is arranged inside the shell (6), and the extrusion rod (9) moves downwards after contacting the wedge-shaped plate (38) so that the extrusion rod (9) moves towards the direction close to the placing cavity (7) under the action of the wedge-shaped plate (38).

10. The intelligent dropping device for ophthalmologic nursing according to claim 1, wherein a control rod (41) which slides vertically is arranged on the operation box (1), a fifth spring (42) is used between the lower end of the control rod (41) and the operation box (1), a connecting block (43) is arranged on the control rod (41), a sixth connecting rod (44) connected with the movable rod (10) is connected to the connecting block (43) in a threaded manner, and a connecting hole (45) for the sixth connecting rod (44) to pass through is formed in the upper end of the movable rod (10).