CN108743008B

CN108743008B - Auxiliary self-help dual-purpose eye dropper

Info

Publication number: CN108743008B
Application number: CN201810564231.3A
Authority: CN
Inventors: 纪芳; 代春华; 辛梦; 张建华
Original assignee: YANTAI AFFILIATED HOSPITAL OF BINZHOU MEDICAL UNIVERSITY
Current assignee: YANTAI AFFILIATED HOSPITAL OF BINZHOU MEDICAL UNIVERSITY
Priority date: 2018-06-04
Filing date: 2018-06-04
Publication date: 2021-02-19
Anticipated expiration: 2038-06-04
Also published as: CN108743008A

Abstract

The invention relates to an auxiliary self-service dual-purpose eye dropper, which comprises: the end face of the second end of the central column tube is provided with a naked part formed by cutting, so that an inner hole of the central column tube is naked; the two elastic clamping jaws are symmetrically arranged on the end face of the first end of the central column tube and distributed on two sides of the axis of the central column tube in a splayed manner, and the two elastic clamping jaws are used for spreading upper and lower eyelids during eye drop instillation; a drug delivery tube assembly having a first end that passes through the central cylinder from the second end of the central cylinder along the axis of the central cylinder and exposes the first end of the central cylinder; a turbine case mounted on the exposed portion; the drug guide tube assembly is provided with a worm rod part, the worm rod part is exposed out of the exposed part of the central column cylinder and is meshed with the turbine box for transmission to realize accurate positioning when the drug guide tube assembly is instilled, and the second end of the lead tube assembly is used for fixing an eye drop bottle. The eye drop dripping device realizes high-quality and high-efficiency dripping of eye drop, and greatly improves the experience of patients.

Description

Auxiliary self-help dual-purpose eye dropper

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auxiliary self-service dual-purpose eye dropper for ophthalmology.

Background

The eye drop is one of the most common pharmaceutical dosage forms for ophthalmic diseases, and has direct and rapid therapeutic effect on a plurality of eye diseases. The eyedrop bottle is used for directly dripping eyedrop, accurate and stable positioning cannot be realized on the bottle mouth due to the reasons of arm shaking and the like, the bottle mouth is easy to touch the cornea of the eyes of a patient, the patient is stimulated to blink, and contact infection of the patient is caused; on the other hand, the instillation form is easy to drip the eye drop to the outside of the eye, which results in the waste of the liquid medicine.

Although some eye droppers exist in the prior art, the eye droppers also have the problem of being crude in structure or unreasonably designed, so that the expected effect of drip is not ideal.

Disclosure of Invention

In view of this, the invention aims to provide an auxiliary self-help dual-purpose eye dropper which can realize high-quality and high-efficiency instillation of eye drops and greatly improve the experience of patients.

According to the present invention, there is provided an auxiliary self-service dual-purpose eye dropper, comprising:

the end face of the second end of the central column tube is provided with a naked part formed by cutting, so that an inner hole of the central column tube is naked;

the two elastic clamping jaws are symmetrically arranged on the end face of the first end of the central column tube and distributed on two sides of the axis of the central column tube in a splayed manner, and the two elastic clamping jaws are used for opening the upper eyelid and the lower eyelid during eye drop instillation;

the drug guide tube assembly is used for guiding the flow of the eye drops during instillation, and the first end of the drug guide tube assembly penetrates through the central column tube from the second end of the central column tube along the axis of the central column tube and is exposed out of the first end of the central column tube;

a worm gear case mounted on the exposed part;

the medicine guide tube component is provided with a worm rod part, the worm rod part is exposed out of an exposed part of the central column cylinder and is in meshed transmission with the worm gear box, the second end of the medicine guide tube component is used for fixing an eye medicine bottle and enabling the eye medicine bottle to be communicated with the medicine guide tube component, the first end of the medicine guide tube component is used for facing eyes and instilling eye drops into the eyes, and when the elastic clamping claws prop open the upper eyelid and the lower eyelid, the medicine guide tube component is driven to rotate through the worm gear box, so that the medicine guide tube component moves along the axial direction of the central column cylinder, and the accurate positioning of the first end of the medicine guide tube component during instillation is realized.

Preferably, the worm gear case comprises a case body, a worm gear and a rotating shaft,

the worm wheel is arranged in the box body, one end of the rotating shaft penetrates through the worm wheel and is fixedly connected with the worm wheel, and the rotating shaft is rotatably supported on the box body so as to drive the worm wheel to rotate.

Preferably, one side of the box body facing the medicine guide tube assembly is provided with an opening, and part of worm gear teeth of the worm gear are exposed out of the opening.

Preferably, the end face of the opening is provided with an inner concave part, and the inner concave part is matched with the outer peripheral profile of the worm part, so that the worm wheel is close to and meshed with the worm part.

Preferably, the end face of the opening is provided with extension plates respectively extending towards two opposite sides of the outer part, each extension plate is respectively provided with a clamping part,

the exposed part is positioned on the end faces of two sides of the medicine guide pipe assembly, and the clamping grooves are matched with the clamping parts for use, so that the box body is fixed on the central column casing.

Preferably, the end of the rotating shaft located outside the box body is fixedly connected with an adjusting knob.

Preferably, the drug guide tube component comprises a drug guide tube and an instillation nozzle, wherein the instillation nozzle is made of rubber materials and is sleeved on the end head of one end, facing the eyes, of the drug guide tube.

Preferably, the drug guide tube component further comprises an adjusting rotary cylinder, one end of the adjusting rotary cylinder can be rotatably arranged on the end head of the drug guide tube facing to one end of the eyes, the other end of the adjusting rotary cylinder is sleeved on the drip injection nozzle,

when the adjusting rotary cylinder rotates back and forth along the axial direction of the medicine guide tube, the drip nozzle is squeezed or released, so that the drip volume of the eye drops is adjusted.

Preferably, a connector is arranged at one end of the medicine guide tube opposite to the dripping nozzle and used for fixing the eyedrop bottle.

Preferably, a magnifying glass or a reflector is connected to one side of the outer peripheral wall of the central column barrel and arranged in a staggered mode with the elastic clamping jaws, and the relative position of the first end of the medicine guide tube assembly and the eyes can be observed when the medicine is instilled.

Has the advantages that:

the auxiliary self-service dual-purpose eye dropper can be used in an auxiliary mode or a self-service mode, the upper eyelid and the lower eyelid of a patient are propped open through the two elastic clamping jaws to expose the conjunctival sac, the accurate positioning of the medicine guide tube assembly is realized by adjusting the medicine guide tube assembly, the patient is prevented from blinking in the instillation process, the eye drop can be accurately instilled into the conjunctival sac of the patient, the eye drop is prevented from being instilled outside the eyes, the contact infection of the eyes is avoided, the high-quality and high-efficiency instillation of the eye drop is realized, and the experience of the patient is greatly improved.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1-2 show schematic perspective views of an auxiliary self-service dual-purpose eye dropper according to an embodiment of the invention from different perspectives.

Fig. 3 shows a split structural diagram of the auxiliary self-service dual-purpose eye dropper according to the embodiment of the invention.

Fig. 4-5 are schematic perspective views of a center post of an assisted self-service dual-purpose eye dropper according to an embodiment of the invention.

Fig. 6 is a schematic perspective view illustrating a drug delivery tube assembly of a self-service dual-use eyedropper according to an embodiment of the present invention.

Fig. 7 shows a split structural diagram of a medicine guide tube component of the self-service dual-purpose eye dropper according to the embodiment of the invention.

Fig. 8-9 are schematic perspective views illustrating a drug guide tube of an auxiliary self-service dual-purpose eye dropper according to an embodiment of the invention.

FIG. 10 illustrates a front view of a drug delivery tube assembly of a assisted self-service dual eye dropper according to an embodiment of the invention.

Fig. 11 shows a cross-sectional view a-a in fig. 10.

Fig. 12-13 show schematic perspective views of a drip nozzle of an assisted self-service dual-purpose eye dropper according to an embodiment of the invention from different perspectives.

Fig. 14 illustrates a cross-sectional view of a drip nozzle of a self-service dual-use eyedropper according to an embodiment of the present invention.

Fig. 15-16 are schematic perspective views of an adjusting rotary cylinder of an auxiliary self-service dual-purpose eye dropper according to an embodiment of the invention.

Fig. 17-18 are schematic perspective views of worm gear boxes of the self-service dual-purpose eye dropper according to the embodiment of the invention.

Fig. 19 shows a split structure diagram of a worm gear case of the auxiliary self-service dual-purpose eye dropper according to the embodiment of the invention.

Fig. 20-22 show schematic perspective views of a worm gear case body of an auxiliary self-service dual-purpose eye dropper according to an embodiment of the invention from different perspectives.

Fig. 23 is a schematic perspective view illustrating a worm wheel of a worm gear box of the self-service dual-purpose eye dropper according to an embodiment of the invention.

Fig. 24 is a schematic perspective view illustrating a worm gear case rotating shaft of the self-service dual-purpose eye dropper according to an embodiment of the invention.

Fig. 25 is a schematic perspective view illustrating a worm gear case adjustment knob of the self-service dual-purpose eye dropper according to an embodiment of the invention.

Fig. 26 is a schematic perspective view illustrating the elastic claw of the self-service dual-purpose eye dropper according to an embodiment of the invention.

Fig. 27-28 show perspective views of a grip adjustment nut of an assisted self-service dual-purpose eye dropper according to an embodiment of the invention.

In the figure: the medicine guide tube component 1, the medicine guide tube 11, the connector 112, the notch 1121, the worm part 113, the threaded part 114, the drip nozzle 12, the adjusting part 121, the tapered structure 1211, the sleeve-joint hole 1212, the nib part 122, the adjusting rotary cylinder 13, the adjusting hole 131, the central cylinder 2, the exposed part 21, the inserting hole 22, the clamping hole 23, the clamping groove 24, the elastic claw 3, the clamping joint 31, the cushion pad 32, the claw distance adjusting nut 4, the convex ring 41, the observation mirror 5, the inserting rod 51, the worm gear case 6, the case body 61, the inner concave part 611, the extension plate 612, the clamping part 613, the worm wheel 62, the rotating shaft 63 and the adjusting knob 64.

Detailed Description

Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.

As shown in fig. 1 to 28, the present invention provides an auxiliary self-help dual-purpose eye dropper, which comprises a central cylinder 2, an elastic claw 3, a medicine guide tube assembly 1, and a worm gear case 6. The second end face of the center column 2 is provided with an exposed part 21 formed by cutting so that the inner hole of the center column is exposed. The number of the elastic clamping jaws 3 is two, the two elastic clamping jaws 3 are symmetrically arranged at the first end of the central column tube 2 and distributed on two opposite sides of the axis of the central column tube 2 in a splayed manner, and the two elastic clamping jaws 3 are used for opening the upper eyelid and the lower eyelid when eye drops are instilled. The drug guide tube assembly 1 is used for guiding the flow of eye drops during instillation, and a first end of the drug guide tube assembly passes through the central column tube 2 from a second end of the central column tube 2 along the axis of the central column tube 2 and exposes out of the first end face of the central column tube 2.

The medicine guide tube assembly is provided with a worm part 113, the periphery of the worm part 113 partially exposes the exposed part 21 of the central cylinder 2 and is meshed with the worm gear case 6 for transmission, the second end of the medicine guide tube assembly 1 is used for fixing an eye medicine bottle and communicating the eye medicine bottle with the medicine guide tube assembly 1, the first end of the medicine guide tube assembly 1 is used for facing eyes and instilling eye drops into the eyes, and when the elastic claw 3 props up upper and lower eyelids, the medicine guide tube assembly 1 is driven to rotate through the worm gear case 6, so that the medicine guide tube assembly 1 moves along the axial direction of the central cylinder 2, and the accurate positioning of the first end of the medicine guide tube assembly 1 during instillation is realized.

Referring to fig. 6 to 16, the drug delivery tube assembly 1 includes a drug delivery tube 11 and an instillation nozzle 12, wherein the instillation nozzle 12 is made of a medical rubber material and is sleeved on an end of the drug delivery tube 11 facing to an eye. The medicine guide tube 11 is inserted in the inner hole of the central column tube 2. The outer peripheral wall of the drug guide tube 11 is provided with a worm part 113, and the worm part 113 is provided with spiral teeth spirally distributed along the axial direction of the drug guide tube 11. The end of the drug guide tube 11 opposite to the drip nozzle 12 is provided with a connector 112 for fixing an eye drop bottle. The drug guiding tube 11 is made of a medical plastic material with certain elasticity, the connector 112 is a cylindrical structure provided with a notch 1121 along the axial direction, and the notch 1121 can provide certain expansion force in the circumferential direction of the connector 112, so that the mouth of the eye drop bottle can be clamped. And, the end of the drug guide tube 11 close to the end of the flow channel of the connector 112 is provided with a chamfer for inserting and sealing the end of the drip nozzle 12. By adopting the structure design, the connector 112 can be effectively connected with the clamping type eye medicine bottle mouth or the screwed eye medicine bottle mouth with threads.

In this embodiment, the drip nozzle 12 includes an adjusting portion 121 and a nib portion 122 connected to each other in order along the axial direction, and a tapered structure 1211 is provided on the outer circumference of the adjusting portion 121, and the tapered structure 1211 is used to compress the flow path of the drip nozzle 12 to adjust the opening degree thereof when being squeezed, thereby adjusting the drip amount, that is, controlling the drip amount of each drop of eye drops. The beak portion 122 is for facing the eye of the patient. The adjusting portion 121 is provided with a sleeve hole 1212 for being sleeved on the end of the drug guide tube 11 close to the eye, and the sleeve hole 1212 is communicated with the flow channel of the instillation nozzle 12.

Further, the drug guide tube assembly 1 further comprises an adjusting rotary cylinder 13, one end of the adjusting rotary cylinder 13 can be rotatably arranged on the end head of the drug guide tube 11 facing one end of the eye, and the other end of the drug guide tube is sleeved on the drip nozzle 12. When the adjusting rotary cylinder 13 is rotated back and forth along the axial direction of the drug guide tube 11, the drip nozzle 12 is pressed or loosened, thereby adjusting the drip amount of the eye drops.

Specifically, a thread part 114 is arranged on the outer peripheral wall of one end of the medicine guide tube 11 connected with the drip nozzle 12, and the adjusting rotary cylinder 13 is screwed on the thread part 114. The adjusting rotary cylinder 13 is fitted around the outer periphery of the adjusting portion 121 of the drip nozzle 12. The end face of the adjusting rotary cylinder 13 facing the eyes of the patient is provided with a blocking plate, the blocking plate is provided with an adjusting hole 131, the adjusting hole 131 is in a gear shape, and the adjusting rotary cylinder is used for adjusting the penetration of the drip nozzle 12 and extruding the conical structure 1211 of the drip nozzle 12. When the dripping speed of the eye drop needs to be controlled, the adjusting rotary cylinder 13 is screwed, and the adjusting rotary cylinder 13 moves along the axial direction of the medicine guide tube 11, so that the dripping amount is controlled by extruding the flow passage of the dripping nozzle 12. Through adjusting rotary drum 13 and controlling the volume of dripping, can guarantee that proper amount eye drop drips to the patient eyes in, avoid influencing the drug effect because the dose of dripping is not enough or dose drips and spills over to the outside waste that causes the liquid medicine of eyes. For example, the dripping nozzle 12 can be properly loosened or tightened by adjusting the rotary cylinder 13 according to the amount of the eye drops stored in the eye drop bottle, so that the phenomenon that the dripping of large drops of the eye drops overflows to the outside of the conjunctival sac to cause waste due to extrusion force which is not easy to hold when the eye drop bottle is extruded because the medicine amount in the eye drop bottle is too large can be prevented; or the condition that the inner pressure of the eyedrop bottle is insufficient and a large extrusion force is needed to drip a small amount of eyedrops or the eyedrops are difficult to drip when the dosage of the eyedrops in the eyedrop bottle in the later period is small is prevented.

Referring to fig. 4-5, the drip nozzle 12 is exposed at a first end of the center cylinder 2 and the connector 112 is exposed at a second end of the center cylinder 2. The outer peripheral wall of the central column casing 2 is provided with an external thread, and the external thread extends to a preset distance from the first end of the central column casing 2 to the second end. Two clamping holes 23 are formed in the end face of the first end of the central column casing 2, and the two clamping holes 23 are oppositely arranged on two sides of an inner hole of the central column casing 2 and used for fixedly inserting the elastic clamping jaws 3.

The peripheral wall of the central cylinder 2 is provided with a plug hole 22 along the radial direction, and the plug hole 22 is arranged near the second end of the central cylinder 2. In this embodiment, the insertion hole 22 penetrates the entire center cylinder 2, i.e., the entire center cylinder 2 in the diameter direction of the center cylinder 2. The axial direction of the plug hole 22 is perpendicular to the plane of the two elastic claws 3, i.e. the spreading direction of the upper and lower eyelids is perpendicular to the extending direction of the plug hole 22. The exposed portion has a first cut surface parallel to the axial direction of the center pillar 2 and a second cut surface perpendicular to the axial direction, and the first cut surface and the second cut surface are perpendicular to each other.

Referring to fig. 17 to 25, the worm gear case 6 includes a case 61, a worm gear 62, and a rotating shaft 63, the worm gear 62 is disposed in the case 61, one end of the rotating shaft 63 penetrates along an axial direction of the worm gear 62 and is fixedly connected to the worm gear, and the rotating shaft 63 is rotatably supported on the case 61, so as to drive the worm gear 62 to rotate. The side of the box body 61 facing the medicine guide tube assembly 1 is provided with an opening, and part of the worm gear teeth of the worm gear 62 are exposed out of the opening. The end face of the opening is provided with an inner concave part 611, and the inner concave part 611 is matched with the outer peripheral profile of the worm part 113, so that the worm wheel 62 is close to and meshed with the worm part 113, and meshing transmission between the worm wheel 62 and the worm part 113 is realized.

The end face of the opening is provided with extension plates 612 which respectively extend towards two opposite sides of the outer part, and each extension plate 612 is provided with a clamping part 613 respectively. The exposed part 21 is located be equipped with joint groove 24 on the both sides terminal surface of medicine guide tube subassembly 1, joint groove 24 with joint portion 613 shape size phase-match, both cooperate the use, and joint portion 613 is used for the joint in joint groove 24, thereby will box 61 is fixed in on the center pillar section of thick bamboo 2. In this embodiment, the retaining groove 24 extends along a direction parallel to the axis of the drug delivery tube 11, the retaining groove 24 extends from the second end surface of the central column 2 to the second cut-away surface of the central column 2, and the cross section of the retaining groove is T-shaped. An adjusting knob 64 is fixedly connected to the end of the rotating shaft 63 located outside the box body 61. By screwing the adjusting knob 64, the worm wheel 62 is rotated and meshed with the drug guide tube 11, so as to drive the whole drug guide tube assembly 1 to rotate up and down along the central column barrel 2, and the drip nozzle 12 is accurately adjusted to a preset drip position. The preset instillation position can ensure that the eye drop is smoothly instilled into the conjunctival sac without touching the cornea.

Referring to fig. 26, one end of the elastic claw 3 is provided with a clamping head 31 for being inserted and fixed in the corresponding clamping hole 23. The other end of the resilient jaws 3 is provided with a cushion 32, said cushion 32 being made of a resilient material for cushioning the resilient jaws 3 when in contact with the eyelid and for increasing the friction when in contact.

Referring to fig. 27 to 28, the self-service dual-purpose eye dropper further includes a jaw distance adjusting nut 4, a protruding ring 41 protruding toward an axial direction of the jaw distance adjusting nut 4 is provided on an end surface of a first end of the jaw distance adjusting nut 4, two elastic jaws 3 protrude from the protruding ring 41, and the protruding ring 41 is used for pressing the two elastic jaws 3, so as to adjust a jaw distance between the two elastic jaws 3. The claw distance adjusting nut 4 is sleeved in from the second end of the claw distance adjusting nut and screwed on the first end of the central column casing 2, and the convex ring 41 controls the claw distance between the two elastic claws 3 by extruding the two elastic claws 3 by screwing the claw distance adjusting nut 4, so that the auxiliary self-help dual-purpose eye dropper is suitable for patients of different types. According to patients of different ages, for example, when the patients are infants, the claw distance of the two elastic claws 3 needs to be adjusted to be small to a distance suitable for the infants by screwing the claw distance adjusting nuts 4, and when the patients are not adults, the claw distance between the two elastic claws 3 is correspondingly adjusted to be large; moreover, the distance between the two elastic clamping jaws 3 can be adjusted according to the use habits of medical staff, for example, the different degrees of strength mastery of male medical staff and female medical staff, so that the auxiliary self-service dual-purpose eye dropper can be suitable for different medical staff.

In this embodiment, the claw distance between the two elastic claws 3 means the distance between the lower ends of the two elastic claws 3, i.e., the two cushion pads 32 that are in contact with the eyelids of a person. The medical staff is specifically an operator of the self-service dual-purpose eye dropper, such as an ophthalmologist or a nurse.

Further, this supplementary self-service dual-purpose formula eye dropper still includes sight glass 5, and sight glass 5 locates on the periphery wall of center cylinder 2, sight glass 5 with the setting of staggering of elasticity jack catch 3 for the operator observes the relative position of leading the first end of medicine pipe subassembly 1 and eyes when instiling.

Specifically, the observation mirror 5 is inserted into the insertion hole 22 of the center column 2 through the insertion rod 51. One end of the insertion rod 51 is rotatably connected to the observation mirror 5, and the other end is inserted into the insertion hole 22 of the central cylinder 2. The plug-in bars 51 are perpendicular to the plane of the resilient jaws 3. Since the insertion hole 22 penetrates the entire center cylinder 2 in the diameter direction, the observation mirror 5 can be inserted into the insertion hole 22 on one side of the drug delivery tube assembly 1 as required. In this embodiment, the observation mirror 5 may be a magnifying glass or a reflective mirror, which may be selected according to the requirement. When the auxiliary self-service dual-purpose eye dropper is used for assistance, namely when medical staff (such as an ophthalmologist or a nurse) operates to drip a patient, the observation mirror 5 is selected as a magnifying lens, and when the adjusting knob is adjusted, the medical staff observes the distance between the drip nozzle and the conjunctival sac of the patient through the magnifying lens; when the auxiliary self-service dual-purpose eye dropper is used by self, namely, when the patient operates the auxiliary self-service dual-purpose eye dropper to drip the eye drop, the observation mirror 5 is selected as a reflective mirror, and when the adjusting knob is adjusted, the distance between the drip nozzle and the conjunctival sac of the patient is observed by the other eye of the patient through the reflective mirror.

Taking the auxiliary self-help dual-purpose eye dropper as an example, the following method will be described in more detail with reference to the following steps:

1. the jaw distance between the two elastic jaws 3 is adjusted by screwing the jaw distance adjusting nut 4 according to the need, for example, different types of patients, different operators;

2. the adjusting rotary cylinder 13 is screwed according to the requirement to adjust the size of the flow passage of the drip nozzle 12, thereby controlling the drip amount;

3. the eyedrop bottle is taken off the bottle cap and clamped on the connecting head 112 of the medicine guide tube 11;

4. the angle of the observation mirror 5 is adjusted, so that an operator can conveniently observe the mutual position relation of the drip nozzle 12 and the eyes;

5. the hand-held auxiliary self-help dual-purpose eye dropper comprises a central column 2 and/or a claw distance adjusting nut 4, wherein the cushion pads 32 of two elastic claws 3 are respectively lightly touched with the upper eyelid and the lower eyelid and slowly press and prop the upper eyelid and the lower eyelid to expose conjunctival sac until the drip nozzle 12 is away from the cornea to a preset distance which ensures that the drip nozzle 12 cannot touch the cornea of a patient;

6. the adjusting knob is rotated to drive the medicine guide tube assembly 1 to rotate towards the lower part (the direction of eyes of a patient), the position relation between the drip injection nozzle 12 and the cornea is observed through the observation mirror 5, the inclination direction of the medicine guide tube assembly 1 is continuously adjusted in the downward walking process of the medicine guide tube assembly 1 until the drip injection nozzle 12 is positioned at a preset distance in the positive direction of the conjunctival sac, and the preset distance needs to ensure that the drip injection nozzle 12 can accurately drip the eye drops into the conjunctival sac of the patient and cannot enable the drip injection nozzle 12 to touch the cornea to cause blinking and infection;

7. after the medicine guide tube component 1 is adjusted by the adjusting knob, the hands are vacated to extrude the eye medicine bottle, so that the eye medicine drops drop into the conjunctival sac of the patient.

After the above steps, the operator can complete the instillation of the eye drop.

Supplementary self-service dual-purpose eye dropper in this application, can assist or use by two kinds of ways by oneself, at first, prop open patient's upper and lower eyelid through two elasticity jack catchs 3, the conjunctival sac is exposed, and through adjusting medicine guide tube subassembly 1, realize the accurate positioning to medicine guide tube subassembly 1, patient's blink in the process of instillation has been avoided, make instillation that eye drop can be accurate to patient's conjunctival sac in, it is outside to have avoided the eye drop to instillate to eyes simultaneously, and avoided the contact infection to eyes, thereby realize instillation to the high-quality high efficiency of eye drop, patient experience has been improved greatly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. An auxiliary self-service dual-purpose eye dropper, comprising:

a worm gear case mounted on the exposed part;

the drug guide tube assembly is provided with a worm rod part, the worm rod part is exposed out of the central cylinder through the exposed part and is in meshing transmission with the worm gear box, the second end of the drug guide tube assembly is used for fixing an eye drop bottle and enabling the eye drop bottle to be communicated with the drug guide tube assembly, the first end of the drug guide tube assembly is used for facing eyes and instilling eye drops into the eyes, and when the elastic clamping claws open the upper eyelid and the lower eyelid, the drug guide tube assembly is driven to rotate through the worm gear box so that the drug guide tube assembly moves along the axial direction of the central cylinder, and therefore the first end of the drug guide tube assembly is accurately positioned during instillation;

the auxiliary self-service dual-purpose eye dropper also comprises a claw distance adjusting nut, wherein a convex ring protruding towards the axis direction of the claw distance adjusting nut is arranged on the end face of the first end of the claw distance adjusting nut, two elastic claws extend out of the convex ring, the convex ring is used for extruding the two elastic claws so as to adjust the claw distance between the two elastic claws, the claw distance adjusting nut is sleeved in the second end of the claw distance adjusting nut and screwed on the first end of the central column, and the claw distance adjusting nut is screwed so that the convex ring controls the claw distance between the two elastic claws by extruding the two elastic claws;

the drug guide tube component comprises a drug guide tube and a drip nozzle, the drip nozzle is made of rubber materials and is sleeved on the end head of the drug guide tube facing to one end of eyes,

the drip nozzle comprises an adjusting part and a sharp nozzle part which are connected with each other in sequence along the axial direction, the periphery of the adjusting part is provided with a conical structure, the conical structure is used for compressing a flow passage of the drip nozzle to adjust the opening degree of the drip nozzle when being extruded, thereby adjusting the drip amount,

the medicine guide tube assembly further comprises an adjusting rotary cylinder, one end of the adjusting rotary cylinder can be rotatably arranged on the end head of the medicine guide tube facing to one end of eyes, the other end of the adjusting rotary cylinder is sleeved on the drip injection nozzle, and when the adjusting rotary cylinder rotates back and forth along the axis direction of the medicine guide tube, the drip injection nozzle is squeezed or loosened, so that the drip volume of eye drops is adjusted;

connect on the medicine guide pipe and drip and be equipped with screw thread portion on the one end periphery wall of notes mouth, adjust to revolve a section of thick bamboo and revolve to twist on screw thread portion, adjust to revolve the barrel casing and locate on dripping the periphery of the regulation portion of notes mouth, adjust to revolve a section of thick bamboo and be equipped with the closure plate towards sealing on the one end terminal surface of patient's eyes, the regulation hole has been seted up on the closure plate, the regulation hole is the gear form, the regulation is used for dripping passing of notes mouth and extrudees the toper structure of dripping notes mouth, when the instillation speed of needs control eye drops, revolve to twist and adjust a section of thick bamboo soon, adjust a section of thick bamboo along the axial displacement of medicine guide pipe soon, thereby realize controlling the.

2. The self-service dual-purpose eye dropper as claimed in claim 1, wherein the worm gear case comprises a case body, a worm gear and a rotating shaft,

3. The self-service dual-purpose eye dropper of claim 2, wherein the side of the box body facing the medicine guide tube assembly is provided with an opening, and part of the worm gear teeth of the worm gear are exposed out of the opening.

4. The self-service dual-purpose eye dropper as claimed in claim 3, wherein the opening has an inner recess on the end face, the inner recess matching with the outer peripheral profile of the worm part, so that the worm wheel and the worm part approach and mesh with each other.

5. The self-service dual-purpose eye dropper as claimed in claim 3, wherein the opening has an end surface provided with extension plates extending towards two opposite sides of the outer portion, each extension plate is provided with a locking portion,

6. The self-service dual-purpose eye dropper as claimed in claim 2, wherein the rotating shaft is fixedly connected with an adjusting knob at an end of the rotating shaft located outside the box body.

7. The self-help dual-purpose eye dropper of claim 1, wherein the end of the drug guide tube opposite to the drip nozzle is provided with a connector for fixing an eye drop bottle.

8. An auxiliary self-service dual-purpose eye dropper as claimed in claim 1, wherein a magnifying glass or a reflective mirror is connected to the outer peripheral wall of the central cylinder, and the magnifying glass or the reflective mirror is arranged in a staggered manner with the elastic clamping jaws for observing the relative position of the first end of the drug guide tube assembly and the eyes during dropping.